• (...)
  • 6.Na3 d5
  • 6.a4 a5
  • 6.a4 b6
  • 6.Qb3 a5
  • 6.Qb3 d5
  • 6.Qb3 d6
  • 6.Qc2 d5
  • 6.Nc3 a5
  • 6.d3 d6
  • 6.d4 Na6
  • 6.d4 b5
  • 6.d4 b6
  • 6.d4 Qb6
  • 6.d4 e6
  • 6.Be2 b6
  • 6.Be2 e6

• 6.a4 d5
  • 7.Na3 Bg4
  • 7.b5 Bg4
  • 7.c5 Bg4
  • 7.Be2 dc4
  • 7.Be2 Bg4

• 6.Nc3 d5

• 6.d3 a5
  • 7.a3 ab4 8.ab4 Ra1

• 6.d3 d5
  • 7.Nbd2 a5
  • 7.Nbd2 Re8

• 6.d4 a5
  • 7.b5 cb5
    • 8.cb5 d5
  • 7.b5 d5
  • 7.b5 d6

• 6.d4 d5
  • 7.a4 a5
  • 7.a4 dc4
  • 7.a4 Nbd7
  • 7.a4 Bf5
  • 7.a4 Bg4
  • 7.Qb3 dc4
  • 7.Qb3 Nbd7
  • 7.Qb3 Bg4
  • 7.b5 cb5
  • 7.Nc3 a5
    • 8.a3 ab4
    • 8.a3 Nbd7
    • 8.b5 a4
  • 7.Nc3 a6
  • 7.Nc3 Na6
  • 7.Nc3 b6
  • 7.Nc3 dc4
    • 8.Bc4 b5
      • 9.Bb3 a5
    • 8.Bc4 Nbd7
  • 7.Nc3 Nbd7
    • 8.cd5 cd5
    • 8.cd5 Nd5
  • 7.Nc3 Ne4
    • 8.Bd3 Nc3
      • 9.Bc3 dc4
        • 10.Bc4 Nd7
    • 8.Ne4 de4
  • 7.Nc3 e6
  • 7.Nc3 Be6
    • 8.c5 Nbd7
  • 7.Nc3 Re8
  • 7.Nc3 Bf5
    • 8.Qb3 dc4
    • 8.Rc1 Nbd7
    • 8.Be2 dc4
    • 8.Be2 Nbd7
    • 8.Be2 Ne4
      • 9.0-0 Nc3
  • 7.Nc3 Bg4
    • 8.Qb3 Bf3
      • 9.gf3 dc4
      • 9.gf3 e6
        • 10.Be2 Nbd7
    • 8.h3 Bf3
      • 9.Qf3 a5
        • 10.b5 a4
      • 9.Qf3 dc4
        • 10.Bc4 Nbd7
          • 11.0-0 e5
      • 9.Qf3 e6
        • 10.Qd1 Nbd7
    • 8.h3 Bf5
  • 7.Nc3 h6
  • 7.c5 a5
  • 7.c5 a6
  • 7.c5 b6
  • 7.c5 Nbd7
  • 7.c5 Ne4
  • 7.c5 e6
  • 7.c5 Re8
  • 7.c5 Bf5
  • 7.c5 Bg4
  • 7.Nbd2 a5
    • 8.a3 Bf5
    • 8.b5 a4
      • 9.Ba3 Re8
      • 9.Ba3 Bf5
      • 9.Rc1 Bf5
    • 8.b5 cb5
      • 9.cb5 a4
      • 9.cb5 Bf5
    • 8.b5 dc4
      • 9.Bc4 cb5
        • 10.Bb5 Bd7
  • 7.Nbd2 a6
  • 7.Nbd2 Na6
    • 8.a3 Nc7
  • 7.Nbd2 b6
  • 7.Nbd2 Qb6
  • 7.Nbd2 dc4
  • 7.Nbd2 Nbd7
    • 8.Rc1 a5
    • 8.Be2 a5
    • 8.Be2 dc4
      • 9.Nc4 Nb6
      • 9.Nc4 Nd5
    • 8.Be2 Ne4
    • 8.Be2 Re8
  • 7.Nbd2 Ne4
    • 8.Ne4 de4
  • 7.Nbd2 e6
    • 8.Bd3 Nbd7
  • 7.Nbd2 Be6
  • 7.Nbd2 Re8
  • 7.Nbd2 Bf5
    • 8.a4 Nbd7
    • 8.Be2 a5
      • 9.ba5 Qa5
    • 8.Be2 Nbd7
      • 9.0-0 Ne4
        • 10.Ne4 Be4
      • 9.0-0 Re8
    • 8.Be2 Ne4
      • 9.0-0 Nd2
      • 9.0-0 Nd7
        • 10.Ne4 Be4
  • 7.Nbd2 Bg4
    • 8.Be2 Nbd7
      • 9.0-0 a5
      • 9.0-0 dc4
      • 9.0-0 Ne4
        • 10.Ne4 de4
      • 9.0-0 e6
        • 10.h3 Bf3
      • 9.0-0 Re8
        • 10.h3 Bf3
          • 11.Nf3 Ne4
      • 9.0-0 Bf3
      • 9.h3 Bf3
    • 8.h3 Bf3
  • 7.cd5 cd5
  • 7.cd5 Nd5
  • 7.Be2 dc4
  • 7.Be2 Bg4

• 6.d4 d6
  • 7.Nbd2 a5
  • 7.Nbd2 Nbd7
  • 7.Be2 a5
  • 7.Be2 Bf5

• 6.Be2 a5!
  • 7.a3 ab4 8.ab4 Ra1
  • 7.b5 cb5
    • 8.cb5 b6
    • 8.cb5 d6
      • 9.0-0 Nbd7
  • 7.b5 d5
  • 7.b5 d6

• 6.Be2 Qb6
  • 7.a3 a5
  • 7.Qb3 a5

• 6.Be2 d5
  • 7.0-0 a5
    • 8.a3 ab4 9.ab4 Ra1
  • 7.0-0 a6
  • 7.0-0 Na6
  • 7.0-0 Qb6
  • 7.0-0 dc4
    • 8.Bc4 Nbd7
    • 8.Bc4 Bg4
      • 9.h3 Bf3
  • 7.0-0 Nbd7
  • 7.0-0 e6
  • 7.0-0 Be6
  • 7.0-0 Re8
  • 7.0-0 Bf5
    • 8.d4 Nbd7
  • 7.0-0 Bg4
    • 8.Na3 Nbd7
      • 9.h3 Bf3
    • 8.Qb3 Nbd7
    • 8.cd5 cd5
    • 8.h3 Bf3
  • 7.Na3 Nbd7
  • 7.Na3 Bg4
    • 8.0-0 Nbd7
      • 9.h3 Bf3
  • 7.Qb3 a5
  • 7.Nc3 Bg4
  • 7.d4 dc4
  • 7.d4 Ne4
  • 7.d4 Bg4
  • 7.cd5 cd5
  • 7.cd5 Nd5

• 6.Be2 d6
  • 7.0-0 a5
  • 7.0-0 a6
  • 7.0-0 Qb6
  • 7.0-0 Qc7
  • 7.0-0 Bd7
  • 7.0-0 Nbd7
    • 8.d4 a5
    • 8.d4 Qc7
      • 9.Nc3 e5
      • 9.Nbd2 e5
        • 10.de5 de5=
    • 8.d4 Re8
  • 7.0-0 Bf5
  • 7.0-0 Bg4
  • 7.0-0 Nbd7
  • 7.d4 c5
  • 7.d4 Nbd7

6.a3 a5 7.b5 cb5 8.cb5 d6 9.Nc3 Nbd7 10.Be2 (10.h3 Ne8=) 10...Nb6 (10...e5 11.Ng5=) 11.Na4 Nbd5 (11...e5 12.d4 e4 13.Nb6 Qb6 14.Nd2=) 12.0-0 e5 ½–½. Kargl,Kurt (2190) – Kranzl,Peter (2290), AUT–chT2M, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

6.a3 d5 7.cd5 cd5 8.Be2 a6 9.Nc3 Re8 10.0-0 e5 11.Qc2 Nc6 12.Na4 Bg4 13.h3 Bf5 14.d3 Rc8 15.Qd1 b5 16.Nc5 Qb6 17.Rc1 e4 18.de4 Ne4 19.Bg7 Kg7 20.Qd5 Red8 21.Qa2 Ne5 22.Ne5 Nc5 23.bc5 Rc5 24.Rc5 Qc5 25.Qa1 Kg8 26.Rc1 Qd6 27.Nf3 Be6 28.Ng5 Bd5 29.Bf3 Qe7 30.Bd5 Qg5 31.Bf3 h5 32.Rd1 Re8 33.Qd4 Qe7 34.Qd6 Qa7 35.Bc6 Rf8 36.Qf6 Qc5 37.Bd5 Kh7 38.e4 Qc2 39.Rf1 Qc8 40.Bf7 Rf7 41.Qf7 Kh6 42.Qf4 Kg7 43.Rd1 Qf8 44.Qc7 Qf7 45.Rd7 Qd7 46.Qd7 Kh6 47.Qe8 a5 48.f4 b4 49.f5 gf5 0–1. Adamkosh (1810) – lodbrok23 (2095), lichess.org, 2019.

6.Na3 a5 7.b5 c5 8.g3 d6 9.Bg2 Bf5 10.Nh4 Bg4 11.Qc2 Qc8 12.h3 Be6 13.g4 h5 (13...Rd8 14.f4+=) 14.g5 Ne8 15.f4 Bb2 16.Qb2 Ng7 17.e4 Bd7 18.Nc2 e5 (18...Ne6!? 19.f5 Ng5 20.fg6 e5+=) 19.fe5+/– de5 20.Qe5 Qd8 (20...Be6 21.Ne3+/–) 21.Qg3 (21.Qc5 Ne6 22.Qd5 Qc7+–) 21...Be6 22.d3 Nd7 23.0-0 Nb6 (23...Qb8 24.Qb8 Rab8 25.Ne3+–) 24.Rf2 Rc8 25.Bf1 (25.Raf1 Qd7+–) 25...Rc7 26.Nf3 Bc8 27.Ne3 Be6 28.h4 (28.Nd5 Bd5 29.cd5 Ne8+–) 28...Re8 29.Rc1 Rd7 30.Nd5 Bd5 31.cd5 c4 (31...Rc7 32.Qf4+–) 32.Ne5 (32.dc4?! Re4 33.Bh3 Nf5 34.Bf5 gf5+=) 32...Qb8 (32...Rde7 33.d4+–) 33.d4 Rc7 34.Qf4 (34.Nc4?! Re4 35.Ne3 Ne8+/–) 34...Rec8 (34...Rf8 35.d6 Rcc8 36.Nf7+–) 35.Qf6 (better is 35.d6 Kh7 36.dc7 Rc7 37.Nf7+–) 35...Re8 (35...Qa7 36.Bh3 Ne8+–) 36.Qb6 (36.Qb6 Rce7 37.d6 Re5 38.de5+–) 1–0. Panno,Oscar (2520) – Giaccio,Alfredo Gustavo (2370), Mar del Plata op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

6.a4 Na6 7.b5 Nc7 8.Qb3 d5 9.Ne5 (9.bc6 bc6 10.Be5 Bd7=) 9...c5 10.Be2 d4 11.0-0 Nfe8 (11...Bf5 12.f4=) 12.f4 f6 (12...Qd6 13.a5+=) 13.Nd3+= b6 (13...Ne6 14.a5+=) 14.Bf3 (14.ed4 Qd6+/–) 14...Rb8 15.ed4 cd4 (15...Bf5 16.d5+/–) 16.Re1 (16.Nb4 Bd7+–) 16...Be6 (better is 16...Ne6+/–) 17.Re6?? (better is 17.Nb4 Bd7 18.Bd4+–) 17...Ne6+= 18.c5 Qc8 (18...N8c7 19.f5 gf5 20.Nf4+=) 19.f5= gf5 20.Nf4 N8c7 21.Nd5 (21.cb6 ab6 (worse is 21...Rb6 22.Bd4 Qb8 23.Bb6 Qb6 24.Kh1+=) 22.Nd5 Rf7=) 21...Kh8 (21...Nc5 22.Ne7 Kh8 23.Qc4–/+) 22.cb6= ab6 23.Ne7 Qe8 (23...Qd7 24.Nc6 (24.Nf5? Nc5 25.Qc4 Qf5–+) 24...Ra8 25.Qd3+=) 24.Nf5 Nc5 25.Qd1 (25.Qc4 Qe1 26.Qf1 Qf1 27.Kf1 d3+=) 25...Qe5= 26.g4 (worse is 26.Nd4 Rbd8 27.Na3 Nd3–/+ (27...Rd4?! 28.Nc4 Rc4 29.Be5 fe5 30.a5–/+); 26.Ng7?! Kg7 27.Qf1 N7e6=) 26...N7e6 27.Na3 Nd3 28.Rb1 (28.Nc4!? Qc5 29.Qb3 (worse is 29.Ng7 Ng7 30.Qb3 Nb2 31.Nb2 f5–/+) 29...Nb2 30.Nb2 d3 31.Kh1=) 28...Qc5 1–0. Becelic,Dejan (2085) – Gajcin,Sinisa (1850), Serbian Championship Semi–Final, 2016. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.a4 Na6)

6.a4 e6 7.b5 d5 8.Nc3 Bd7 9.Ne5 cb5 10.cb5 Ne8 11.Nd7 Nd7 12.Bd3 Nef6 13.0-0 b6 14.Rc1 Nc5 15.Bc2 Nfd7 16.d4 Nb7 17.Na2 Rc8 18.Nb4 Na5 19.Bd3 Nf6 20.Rc2 Rc2 21.Qc2 Qc8 22.Rc1 Qc2 23.Rc2 Ra8 24.Na6 Bf8 25.Rc7 Bd6 26.Rc3 Kf8 27.g3 Ke8 28.Nc7 Bc7 29.Rc7 Ng8 30.Ba3 Nf6 31.Kg2 h5 32.h4 Ng4 33.Kf3 Nf6 34.Kf4 Nd7 35.Kg5 Kd8 36.Bd6 Nb3 37.Kh6 Nc1 38.Bc2 Ne2 39.Kg7 Ke8 40.Bg6 fg6 41.Kg6 Ng1 42.Kh5 Nh3 43.f4 Nf2 1–0. Abdullaevich (1835) – Ashfordchess (1935), lichess.org, 2020.

6.b5 a6 7.bc6 Nc6 8.Be2=.

6.b5 cb5 7.cb5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Qb6 11.Be2 d6 12.0-0 Bd7 13.Qb3 Be6 14.Qb4 Nd5 15.Qa4 Ba1 16.Qa1 Nc7 17.Nd4 Bd7 18.Nc3 e5 19.Nf3 Bb5 20.Nb5 Nb5 21.Qb1 Rc8 22.Bb5 Rc5 23.Be2 Nd7 24.Qb6 Nb6 25.Rb1 Rc6 26.h3 1–0. axtur777 – aravind555, lichess.org, 2019.

6.b5 c5 7.Be2 d6 (7...d5 8.cd5 Qd5 9.Nc3=) 8.0-0 e5 (8...a6 9.a4=) 9.d3 (9.d4 e4 10.Nfd2 Re8=) 9...Be6 (9...a6 10.a4=) 10.Ng5 (10.a4 a6=) 10...Bf5 (10...a6 11.a4=) 11.Nc3 (11.Nd2 a6=) 11...Qc8 (11...a6 12.a4+=) 12.a4 (12.Nge4 Qd8+/–) 12...Bh6 (12...a6!?+=) 13.Nge4+/– Bh3?? (better is 13...Be4 14.de4 Qe6+/–) 14.Nf6+– Kg7 15.Nce4 Bg2 (15...Bf5 16.Nd6 Qe6 17.Nf5 gf5 18.Nh5 Kh8 19.Bf3+–) 16.Kg2 Qf5 (16...a6+–) 17.Bg4 Qf6 18.Nf6 Kf6 19.Qf3 Kg7 20.Qb7 Nd7 1–0. DEFFM – GuestJGYQ, freechess.org, 2018.

6.b5 d5 7.cd5 cd5 8.Nc3 Bf5 9.d4 Nbd7 10.Bd3 Rc8 11.Bf5 gf5 12.a4 e6 13.Ne2 Ne4 14.Nf4 Nb6 15.0-0 Nc4 16.Rb1 Re8 17.Nh5 Bh6 18.Ne5 Ne5 19.de5 Qh4 20.Nf6 Nf6 21.ef6 Kh8 22.g3 Qh3 23.Be5 Rc4 24.a5 Rh4 25.gh4 Rg8 26.Bg3 Qh4 27.Kh1 Qf6 28.Rg1 Bg7 29.Rc1 b6 30.ab6 ab6 31.Rc6 h6 32.Rb6 Kh7 33.Rc6 Qb2 34.b6 Qb5 35.Rd6 Bf8 36.Rd7 Qd7 37.Qb1 Qb7 38.Rc1 d4 39.Kg1 de3 40.Rc7 ef2 41.Kf2 Qd5 42.b7 Bc5 43.Kf1 Qh1 44.Ke2 Qb1 45.Rf7 Kg6 46.Rc7 Qc2 47.Kf3 Qe4 0–1. bambinik – Guest9870, internet, 2001.

6.Qc2 b5 7.cb5+= cb5 8.Bb5 Ba6 (8...Bb7+=) 9.Bd3 (9.Ba6 Na6 10.a3 d5+/-) 9...Bd3 (better 9...Nd5!? 10.Ba6 Nb4=) 10.Qd3+/- Nc6 11.a3 Rb8 12.Nc3 (12.0-0 d5+/-) 12...a5 (better 12...d5+/-) 13.ba5?? (better 13.b5+/-) 13...Rb2-+ 14.0-0 (14.a6 Qa5 15.0-0 Ra8-+) 14...Qa5 15.Rfb1 (15.a4 Rfb8-+) 15...Rb6 (15...Rb1!? 16.Qb1 Rb8 17.Qd3-+) 16.Rb6 Qb6 17.Nd5?? (17.a4-+) 17...Nd5 18.Rb1 Qc5 19.a4 (19.Rb5 Qc1 20.Qf1 Qf1 21.Kf1 e6-+) 19...Ncb4 (19...Ra8 20.Qb3-+) 20.Qb3 Ra8 (20...Rb8 21.d4 Qa5 22.e4-+) 21.d4 (21.e4 e6-+) 21...Qa5 (better 21...Qc2 22.Qc2 Nc2 23.g4-+) 22.Nd2 (22.e4-+) 22...Qa4 23.Qa4 Ra4 24.Nc4 (24.h3 Ra2 25.Nc4 f5-+) 24...Nd3 25.Nb2 (25.Nd2 Ra2 26.Nc4 Rc2-+) 25...Nb2 26.Rb2 (26.g3 Ra2 27.Rc1-+) 26…Ra1 (26...Ra1 27.Rb1 Rb1) 0-1. thalison – jovi, Rated Blitz game, lichess.org, 2014.

6.Qc2 d6 7.Bd3 (7.d4 c5=) 7...e5 8.0-0 Nbd7 (8...Bg4 9.Be2+=) 9.Nc3 a6 10.a4 c5 11.b5 b6 12.Ng5 Bb7 13.f4 ef4 14.ef4 d5 15.cd5 Nd5 16.Nd5 Bd5 17.ba6 c4? (better is 17...Bb2!? 18.Qb2 Nb8=) 18.Bg7+/– (18.Bc4 Bb2 19.Bd5 Ba1 20.Ba8 Bd4 21.Kh1 Qa8+=) 18...Kg7 19.Bc4 Bc4 20.Qc4 Nc5 21.Qc3 Kg8 22.Rfe1 (22.d4 Na6 23.Rad1 Qd7+/–) 22...Ra6 Attacking the isolated pawn on a4 23.d4 Nb7 (23...Na4!? 24.Qb4 b5+/–) 24.Qb4 Qd6 25.Qc4 Ra5 26.Re5 Kg7 (26...Qf6 27.Rc1+/–) 27.Ne4 (27.Rae1 h6 28.Ne4 Qd7+–) 27...Qd7+/– 28.Qc3 (28.d5 Nc5 29.Nc5 Rc5+/–) 28...Ra4 29.Ra4 Qa4 30.Re7 Nd8?? (better is 30...Rc8! 31.Qc8 Qa1 32.Kf2 Qb2 33.Kf3 Qa3 34.Qc3 Qe7 35.d5 f6+=) 31.d5+– Kh6 32.Nf6 Qf4 33.Re4 (33.Re4 Qe4 34.Ne4+–) 1–0. GuestWXSD – GuestYHHM, freechess.org, 2017.

6.Nc3 d6 7.d4 Nbd7 8.Be2 c5 9.bc5 dc5 10.0-0 cd4 11.ed4 Qc7 12.Re1 e6 13.Ng5 h6 14.Nge4 Ne4 15.Ne4 Rb8 16.Ba3 Re8 17.Bd6 1–0. Pleschke,Helmut – Behnke,Denny, Tigerschachclub SEV, 2002.

6.Nc3 Re8 7.Bd3 (7.Be2 d5=) 7...a6 (7...d5 8.Be2=+) 8.0-0 e5 9.Bc2 (9.Be2 a5 10.b5 d5+=) 9...d5 10.cd5 cd5 11.d4 e4 12.Ne5 Nc6 13.a3 (13.Nc6!? bc6 14.a3=) 13...Ne5=+ 14.de5 Ng4 (14...Re5!? 15.f3 Re8–/+) 15.Nd5= Ne5 (15...Qh4!? 16.h3 Ne5 17.Be5 Be5=) 16.Be4+= Nf3 (16...Qh4 17.Nc7 Ng4+–) 17.Qf3+– (17.gf3?! Bb2 18.Kh1 Ba1 19.Qa1 Re6=; 17.Bf3?! Bb2 18.Ra2 Be5+–) 17...Bb2 18.Rad1 Ba3?? (better 18...Qh4 19.Qe2 Ba3+–) 19.Nf6+– Kg7 20.Rd8 Rd8 21.Ng4 (better 21.Bd5 Be6 22.Be6 fe6 23.Ng4+–) 21...Bb4 (21...f5 22.Qf4 fg4 23.Qc7 Rd7 24.Qc3 Kh6 25.Qa3+–) 22.h4 (22.Qf6 Kf8 23.Qd8 Kg7 24.Qf6 Kf8 25.Bd5 Ke8 26.Ne5 Bf5 27.Bf7 Kf8 28.Bg6 Kg8 29.Qf7 Kh8 30.Qh7) 22...a5 (22...Bg4 23.Qg4 a5 24.Bb7+–) 23.h5 (23.Qf6 Kf8 24.Qd8 Kg7 25.Qf6 Kf8 26.Bd5 Ke8 27.Bf7 Kd7 28.Rc1 Bc3 29.Rc3 a4 30.Ne5) 23...g5 (23...Bg4 24.Qg4 Rab8+–) 24.h6 (24.Qf6 Kf8 25.Qd8 Kg7 26.h6) 24...Kg8 (24...Kf8 25.Ne5 Be6 26.Bb7 Bc3+–) 25.Qf6 Bg4 (25...Bf8 26.Bh7! Kh7 27.Qf7 Kh8 28.Nf6 Bh6 29.Qh7) 26.Qg7 1–0. Agiant – vi_shu, lichess.org, 2018.

6.Bd3 b6 7.Qc2 d5 8.Na3 (8.0-0 dc4 9.Bc4 b5=) 8...Be6 (8...Na6 9.Qb3=+) 9.Ne5 Nbd7 (better 9...dc4!? 10.Nac4 Nd5=+) 10.Nc6+/- Qc7? (better 10...Qe8!?+/-) 11.Ne7 Kh8 12.Nd5 Nd5 13.cd5 Qc2 14.Bg7 (14.Bc2 Bb2 15.de6 fe6=+) 14...Kg7 15.Nc2 Bd5 16.0-0 Ne5 17.Be2 a5 18.b5 Rac8 19.Nd4 Bc4 20.Bc4 Nc4 21.Nc6 (21.Rfd1!? Rfd8+-) 21...Nd2 22.Rfd1 Ne4 23.Ne7 (better 23.Rac1+-) 23...Rc5= 24.a4 Nc3 25.Rd7 (25.Rd6 Re8 26.Nc6 Na4=) 25...Na4=+ 26.Rd5 Rd5 27.Nd5 Rd8 (27...Rc8!? 28.f3 Rc5=+) 28.e4= (worse 28.Ra4 Rd5 29.Kf1 Rb5-+) 28...Nc5 29.Nb6 (29.f3 Rd6=) 29...Ne4 30.f3 Nc3 31.Ra5 Rd1 32.Kf2 Rb1 Exerts pressure on the isolated pawn 33.Ra7 Rb5 34.Nd7 (34.Nc4 Rd5=) 34...Rb2=+ 35.Kg3 Rd2 (35...Ne2!? 36.Kh3 Nf4 37.Kg4 Nd3-/+) 36.Ne5= Nd5 (better 36...Ne2!? 37.Kg4 Kf6 38.Nf7 h5 39.Kh4 Nf4=) 37.Nf7 (37.Rf7 Kg8 38.Rd7 Ne3 39.Rd2 Nf1 40.Kf2 Nd2+-) 37...Ne3 38.Ng5 Kh6?? (better 38...Kg8 39.Ne4 Rg2 40.Kf4 Nd5 41.Ke5 Nb4 42.Nf6 Kf8 43.Nh7 Ke8 44.Nf6 Kd8 45.Rd7 Kc8+/-) 39.Ne4 (better 39.f4 Rg2 40.Kf3 Rg5 41.fg5 (41.Ke3 Rg2-/+) 41...Kg5 42.Ke3+-) 39...Rg2= 40.Kh3 Rg1 41.Ng3 Nf1?? (41...Nd5 42.Kg4=) 42.Nf1?? (better 42.Ra1 Ng3 43.Rg1+-) 42...Rf1= 43.Kg3 Rg1 44.Kf2 Rg5 45.h4 Rh5 46.Kg3 Rf5 47.Kg4 Rb5 48.Ra6 Rb4 49.f4 Rb1 50.h5 (better 50.f5!?=) 50...Rg1-/+ 51.Kh4 Rh1 52.Kg4 Rh5 53.f5? (better 53.Kf3-/+) 53...Rf5 54.Kh4 Rb5 55.Rf6 Kg7 56.Rf4 (56.Ra6 Rb4 57.Kh3 h5-+) 56...h6 (better 56...g5 57.Kg3 gf4 58.Kf4 Rb3-+) 57.Rd4 h5 58.Rd7 Kh6 59.Rd4 g5 60.Kg3 h4 (60...Rb3 61.Kg2-+) 61.Kf3 (61.Kg4 Rb6-+) 61...Rb3 62.Ke4 Kh5 63.Kf5 Rb5 64.Kf6 (64.Ke4 h3 65.Kf3 Rb3 66.Kf2 g4-+) 64...g4 65.Rf4 (65.Rd7 Rb6 66.Kf5-+) 65…h3 0-1. alex296 - ajay_jangir, Rated Blitz game, lichess.org, 2014.

6.d4 Qc7 7.Nbd2 d5 8.Be2 dc4 9.Bc4 (9.Nc4 Bf5=) 9...Bg4 (9...Nbd7!?=) 10.h3+= Bf3 11.Qf3 Nbd7 12.0-0 Rad8 13.b5 (13.Rad1 e5+=) 13...Nb6 (13...cb5 14.Bb5 Qa5 15.Qe2+=) 14.bc6+= Nc4 15.Nc4 Qc6 (15...bc6 16.Bc3 Qd7 17.Ne5+=) 16.Qc6+/– bc6 17.Rfc1 Rb8 (17...c5 18.dc5 Rd5 19.Na5+/–) 18.Ba3+/– Rfe8 (18...Nd5 19.Na5 Bf6 20.Nc6+–) 19.Na5 Rb6 20.Nc6 Ra6 (better is 20...Nd5 21.Na7 Ra6+–) 21.Ne7 (21.Be7?! Rc6 22.Rc6 Re7+/–) 21...Kh8 22.Bb4 Ra4 23.a3 Rb4? (23...Bf8 24.Nc6 Kg7+–) 24.ab4 Re7 25.Rc8 Ne8 (25...Ng8 26.b5+–) 26.Ra7!! Ra7 27.Re8 Bf8 28.Rf8 Kg7 29.Rb8 h5 (29...Kf6 30.b5+–) 30.g3 Kf6 31.Kg2 g5 (31...Ra2 32.Kf3+–) 32.b5 Ke6 (32...Ra5 33.Kf3+–) 33.h4 g4 (33...f6 34.b6 Rd7 35.hg5 fg5 36.Rh8+–) 34.Rh8 Rb7 35.Rh5 Rb5 (35...f5 36.Rh6 Kd5+–) 36.Rb5 1–0. Janek – greyowl, internet, 2016.

6.d4 Re8 7.Bd3 a5 8.ba5 (8.Qa4 Na6 9.b5 Nb4+=) 8...Qa5 9.Bc3 Qc7 10.0-0 b6 (10...d6 11.Qb3=) 11.Nbd2 e6 (11...d6 12.Qc2=) 12.Qc2 (12.c5 bc5 13.dc5 Na6+=) 12...Bb7 (12...d6 13.Rab1+=) 13.Ne5 (13.Rfb1!?+=) 13...d6= 14.Nef3 c5 15.a4 (15.Rfb1 Nbd7=) 15...cd4 16.ed4 (16.Bd4 e5 17.Bc3 e4 18.Bf6 ef3 (< 18...ed3 19.Qb2 Bf6 20.Qf6=) 19.Bg7 fg2+/–) 16...Nfd7 (16...Rc8 17.Rfc1=) 17.Rfe1 (17.Qb3 d5=) 17...e5 (17...d5 18.Ne5=) 18.Ne4 (18.d5 Nc5=) 18...ed4 (18...Na6 19.de5 de5 20.a5=) 19.Bd4 (19.Nd4 Be5+=) 19...Be4 (better is 19...Ne5!? 20.Be5 de5=+ (20...Be5? 21.Nf6 Bf6 22.Re8 Kg7 23.Rae1+/–)) 20.Be4+= Nc6 21.Bg7 Kg7 22.Qb2 Kg8 23.Nd4 Nde5 24.Bd5 Rac8 (24...Rad8 25.Nb5 Qd7 26.Rad1+/–) 25.Nc6 (better is 25.Nb5 Qd8 26.f4+–) 25...Nc4?? (better is 25...Nc6 26.Re8 Re8+/–) 26.Re8+– Re8 27.Bc4 Qc6 28.Bb5 (28...Qe4 29.Be8 Qe8 30.Qb6+–) 1–0. Wall,Bill – ShiningKnight, internet, 2003.

6.Be2 Na6 7.a3 Nc7 8.0-0 d6 9.d4 Ne4 10.Nbd2 f5 11.Qc2 Nd2 12.Nd2 Qe8 13.Rad1 Bd7 14.Bd3 Ne6 15.f4 Nc7 16.Nf3 Rc8 17.Qe2 b5 18.Rc1 a6 19.Ng5 h6 20.Nf3 Be6 21.Rfe1 Qf7 22.d5 Bb2 23.Qb2 Bd7 24.dc6 Bc6 25.Nd4 bc4 26.Nc6+/– cd3 27.Na7 Qd5 28.Nc8 Rc8 29.Rc3 Qb7 30.Rec1 Qb6 31.Qd2 1–0. Hecht,Hans Joachim (2480) – Arencibia Rodriguez,Walter (2335), Dubai ol (Men), 1986.

6.Be2 b5 7.c5 d6 8.cd6 Qd6 9.a3 a5 10.Be5 Qd7 11.0-0 ab4 12.ab4 Ra1 13.Ba1 Ng4 14.Bg7 Kg7 15.Nd4 Nf6 16.f4 Kg8 17.Nc3 Na6 18.Qb3 Nc7 19.Bf3 Bb7 20.Ne4 Ne4 21.Be4 Ne6 22.Ne6 Qd6 23.Nf8 Kf8 24.d4 f6 25.Bf3 Bc8 26.Rd1 Be6 27.Qc3 Kf7 28.Qc6 Qb4 29.Rc1 Qd2 30.Qc3 Qa2 31.Rc2 Qb1 32.Kf2 b4 33.Qb2 Qb2 34.Rb2 b3 35.d5 Bf5 36.e4 Bd7 37.Rb3 h5 38.h3 g5 39.g3 Kg6 40.f5 Kh6 41.g4 hg4 42.Bg4 Ba4 43.Rb4 Bc2 44.Ke3 Kg7 45.Rb7 Kf7 46.Bh5 Kg7 47.Re7 Kf8 48.Rf7 Kg8 49.Rf6 Kg7 50.Rg6 Kh7 51.d6 Ba4 52.Re6 Bd7 53.Re7 Kh6 54.Rd7 Kh5 55.Rh7 1–0. aniabielak – seba72, kurnik, 2012.

6.Be2 Re8 7.0-0 d5 8.c5 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 (11...Bg4 12.d4=) 12.Qb3 b6 13.d4 Ne4 (13...b5 14.Ne5 Nb8 15.Nc3=) 14.Bd3 (14.Nc3!?+=) 14...bc5= 15.bc5 Nac5 16.dc5 Nc5 (better 16...Ba1 17.Be4 de4=) 17.Qc2+/- Nd3 18.Bg7 (18.Qd3? Ba1 19.Nbd2 Bg7-+) 18...Nf2 (18...Bf5 19.Qc3+/-) 19.Rf2+- (worse 19.Qc6 Nh3 20.gh3 Kg7+/-) 19...Kg7 20.Qc6 e6 21.Ne5 (21.Nc3 Qe7+-) 21...Re7 (21...f6 22.Nd3+/-) 22.Qc5 (22.Qc3!? Rb7 23.Rf1 f6+/-) 22...Rc7+/- 23.Qd4 (23.Qa3 f6 24.Nf3 Qf8+/-) 23...Rc1 (23...f6!? 24.Nf3 Rc1 25.Rf1 e5+/-) 24.Rf1 Qf6?? (24...Rf1 25.Kf1 Qf6 26.Kg1+/-) 25.Nf3 (better 25.Rc1 Ba6 26.Nd2+-) 25...Rf1 26.Kf1 Qd4 27.Nd4 (27.ed4 h5+/-) 27...Ba6 28.Kf2 Kf6 29.Nc3 Ke7 30.Na4 (30.g4 h6+/-) 30...Bd3 (30...e5 31.Nf3 f6 32.Ke1+=) 31.Nc5 Bf5 (31...Bc4 32.g4+=) 32.Nb7 Be4 33.Nc6 Kd7 34.Nc5 1-0. kimgds (1640) - aliasniamor (1815), Rated Bullet game, lichess.org, 2014.

7.Be2 Qd6 8.Qb3 Nbd7 9.cd5 Nd5 (worse is 9...cd5 10.Nb5 Qb8 11.Rc1+/–) 10.Bg7 Kg7 11.Rb1 e5 12.Nc4 Qe7 13.Qb2 f6 14.0-0 N7b6 15.Na5 Bf5 16.d3 Na4 17.Qd2 Ndc3 18.Rbc1 Qb4 19.Nb3 Rad8 20.d4 c5 21.Bd1 e4 (21...c4 22.Na5 Qa5 23.Ba4 Qa4 24.Qc3–+) 22.Ne1? (better is 22.Nh4 b6 23.a3–/+) 22...Nd1–+ 23.Qb4 cb4 24.Rd1 Rc8 25.f3 (25.Rd2 Rfd8 26.Nc2 b6 27.Nb4 Nc3–+) 25...Rc3 26.Kf2 Nb2 27.Rd2 Nc4 28.Re2 Re8 29.f4 h5 30.h3 b6 31.Nc2 a5 32.d5 Rd8 33.Rg1 Rd5 34.g4 hg4 35.hg4 Be6 36.f5 Bg8 37.fg6 (37.Nbd4 Ne5–+) 37...Kg6 38.Nbd4 Rg5 39.Nf5 Ne5 40.Ne7 Kf7 41.Ng8 Kg8 0–1. Soppe,Guillermo (2420) – Latorre,Mat (2235), Luque PAR, Kuna Arandu GM, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.Be2 Re8 8.0-0 Nbd7 9.cd5 cd5 10.d4 Ne4 11.Qc2 Nb6 12.Rac1 Nd6 13.Qc7 Bg4 14.Ba1 Rc8 15.Qd8 Red8 16.Rc5 Bf8 17.h3 Bf3 18.gf3 e6 19.Rfc1 Na4 20.Rc8 Rc8 21.Rc8 Nc8 22.Nc2 Nd6 23.Ne1 Nc4 24.Nd3 b5 25.Bd1 Nab6 26.Bc3 f6 27.f4 Kf7 28.Kf1 Bd6 29.Ke2 h6 30.Bb3 Bc7 ½–½. Espig,Lutz (2470) – Mikenas,Vladas (2205), Vilnius, 1978. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.b5 cb5 8.ab5 b6 (8...d6 9.Nc3=) 9.Be2 Bb7 10.0-0 d6 11.d4 Nbd7 12.Nbd2 Qc7 13.Bd3 (13.Qb3 e5=) 13...Rfc8 (13...e5 14.Ng5=) 14.Re1 h6 (14...e5 15.Ng5=) 15.Qc2 (15.h3 Re8=) 15...e6 (15...Nd5 16.Be2=) 16.e4 Ng4 (16...Rd8 17.Nf1=) 17.h3+= Ngf6 18.Nf1 (18.Qb3 Re8+=) 18...Nh5 (18...d5 19.e5 Nh5 20.Ra4=) 19.g3 f5 (19...e5!?=) 20.Nh4 (20.N1d2 Re8+/–) 20...Kh7 1–0. DEFFM – guestFloi, freechess.org, 2018.

7.b5 cb5 8.cb5 b6 9.Nc3 d5 10.Be2 Be6 11.Nd4 Qd7 12.Ne6 Qe6 13.f4 Ne4 14.Bf3 Nc3 15.dc3 Nd7 16.Qd2 Nc5 17.0-0 Rad8 18.Qc2 Qd6 19.Rad1 e6 20.c4 Bb2 21.Qb2 Na4 22.Qc2 Nc5 23.cd5 ed5 24.Rd2 Qc7 25.Bd5 Ne6 26.Qc7 Nc7 27.Rfd1 Nd5 28.Rd5 Rd5 29.Rd5 Ra8 30.Rd6 Rb8 31.e4 a4 32.e5 a3 33.Rd1 a2 34.Ra1 Ra8 35.Kf2 Kf8 36.Ke2 Ke7 37.Kd2 Kd7 38.Kc2 Ke6 39.Kb2 Kd5 40.Ra2 Ra2 41.Ka2 Kc5 42.Kb3 Kb5 43.g4 Kc5 44.f5 gf5 45.gf5 Kd5 46.e6 fe6 47.fe6 Ke6 48.Kb4 Kf5 49.Kb5 Kg4 50.Kb6 Kh3 51.Kc6 h6 52.Kd5 h5 53.Ke5 Kh2 54.Kf4 h4 55.Kg4 h3 56.Kh4 Kg2 57.Kg4 h2 0–1. axtur777 – Shamelomumu, lichess.org, 2019.

7.b5 d5 8.Nc3 Bg4 9.d4 Nbd7 10.Be2 dc4 11.Bc4 e5 12.de5 Bf3 13.gf3 Ne5 14.Be2 Nd5 15.Nd5 Qd5 16.Qd5 cd5 17.Rd1 ½–½. Stielfried,Martin (2285) – Spiekermann,Michael, Bundeswehr–ch, 1988. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.b5 a6 8.Be2 Bb7 9.0-0 d5 10.Nc3 Re8 (10...dc4 11.Bc4 ab5 12.ab5 Ra1 13.Ba1=) 11.d4+= Ne4 (11...dc4 12.Bc4 e6 13.Qe2+=) 12.bc6 Bc6 13.Nd5 Bd5 14.cd5 Qd5 15.Rc1 Nd6 16.Rc7 Nc6 17.Nd2 b5? (better 17...Rec8 18.Rc8 Nc8+–) 18.Bf3+– Qa2 19.Ba1 (19.Qb1 Qb1 20.Rb1 Nb4+–) 19...Rac8 (19...Nd4 20.Bd4 Rac8 21.Rc8 Rc8 22.Bg7 Kg7 23.ab5 Nb5 24.Ne4+–) 20.Rc6 (20.Bc6?! Rc7 21.Be8 Ne8 22.ab5 ab5=) 20...Rc6 21.Bc6 Rc8 22.ab5 ab5 23.Bf3 Rc2 (23...Qc2 24.Qe2+–) 24.Bd5! (24.Bd5 Nc4 25.Nc4 bc4 26.Qf3+–) 1–0. GuestQNJX – GuestDKKW, freechess.org, 2018.

7.d4 d5=.

7.Be2 Bb7 8.0-0 d6 9.Nc3 Qc7 10.Qc2 Nbd7 11.d3 Rac8 12.b5 a6 13.ba6 Ba6 14.Rfd1 h5 15.Ne4 Ne4 16.Bg7 Kg7 17.de4 Ne5 18.c5 Nf3 19.Bf3 bc5 20.Rdc1 e5 21.Qc3 f6 0-1. Irchess (1610) - karlovac (1670), Rated Bullet tournament, lichess.org, 2014.

7.a3 ab4 8.ab4 Ra1 9.Ba1 d5 10.cd5 cd5 11.Be2 Bg4 12.0-0 Nbd7 13.h3 Bf3 14.Bf3 e6 15.Be2 Qa8 16.Bb2 Ne4 17.Bg7 Kg7 18.Qb2 Kg8 19.Nc3 Nd6 20.Nb5 Qb8 21.Rc1 Nf5 22.Rc7 Nb6 23.Qf6 Na8 24.Rc2 Nb6 25.Bd3 Nd6 26.Qe7 Ndc4 27.Bc4 Nc4 28.d3 Ne5 29.Rc7 Nc6 30.Qc5 Rc8 31.Rc8 Qc8 32.Nd6 Qd7 33.b5 Ne5 34.d4 Nd3 35.Qb6 Qe7 36.Nb7 Qb4 37.Nc5 Qb1 38.Kh2 Nf2 39.Qb8 Kg7 40.Qe5 (better is 40.b6 Qh1 41.Kg3+–) 40...Kg8+/– 41.Qb8 Kg7 42.Qe5 Kg8 43.Qf6 Qh1 44.Kg3 Nd1 45.Nd7 Qe1? (45...h5 46.Ne5 h4 47.Kh4 Qe1 48.g3 Qf2 49.Qf2 Nf2+–) 46.Kh2 Ne3 (46...Qb4 47.b6 Qd6 48.Ne5 Qf8+–) 47.Qd8 Kg7 48.Qf8 1–0. Pisk,Petr (2345) – Jedlicka,Ales (2285), CZE–chT2c, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Qb3 a5)

7.b5 a4 8.Qa3 Re8 9.Be2 Bf8 (9...cb5 10.cb5 d5 11.0-0=) 10.Qc3 (10.0-0 e5 11.Qc3 Bg7=) 10...d6 11.0-0 Bf5 12.d3 e5 13.bc6 bc6 14.c5 Nbd7 (14...Nd5 15.Qd2 Qa5 16.Rd1=) 15.cd6 Bd6 16.Ba3 (16.Qc6 Nc5 17.Ba3 Qe7 18.Bc5 Bc5=) 16...c5 17.e4 Be6 18.Nbd2 Nh5 19.g3 f5 (19...Qf6 20.Nc4 Bg4 21.Rfb1=) 20.Nc4+= Bc7 (20...Bc4 21.Qc4 Kh8 22.Rab1+=) 21.ef5 Bf5= 22.Nfd2 Ng7 23.Bf3+= Rb8 24.Ne4 Ne6= 25.Bg2 Nd4 26.Kh1 Qe7 27.Ne3 Be6 28.Bc5+= Qd8 29.Bb4 Nb5 30.Qd2 Bb6 31.Nc4 Bd4 32.Rac1 Nf6 33.Na5 Ne4 34.Be4 Rb6 35.a3 Bd5 36.Qe2 Rf6 37.Kg1 Qa8 38.Nc4 1–0. Martinovic,Sl (2440) – Jovicic,R (2265), 7th Veselin Boskovic Mem Op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.b5 cb5 8.cb5 d6 9.d4 Nbd7 10.Nbd2 Nb6 11.a4 Be6 12.Qa3 Qd7 13.Bd3 Nfd5 14.Ng5 Nb4 15.Ne6 Qe6 16.0-0 Rfc8 17.Rfc1 Rc1 18.Bc1 Rc8 19.Bb2 Na4 20.Bc4 Rc4 21.Nc4+= Nb2 22.Na5?? N2d3 23.Nb7 Qf5 24.f3 Bh6–+ 25.Qa8 Kg7 26.Qe8? Be3 27.Kf1 Nf4 (28.Qg8 Kg8 29.Nc5 dc5 30.Ra8 Kg7 31.Rg8 Kg8 32.dc5 Qb1#) 0–1. Muri,H – Vogt,Lothar (2500), Ticino op, 1990.

7.Nc3 e6 8.a4 a6 9.a5 Nbd7 10.Rc1 Re8 11.Be2 Qe7 (11...b6 12.ab6 Qb6 13.d4=) 12.0-0+= h6 13.Na4 (13.d4 Rd8+=) 13...Kh7 (13...dc4 14.Bc4 Rb8 15.d4+=) 14.h3 (14.d4 Rb8+=) 14...e5 15.cd5 (15.d4 e4 16.Ne5 Rb8+=) 15...Nd5 16.Nc5 (16.Bc4 Qd6+=) 16...Nc5 17.Rc5 Be6 (17...e4 18.Nd4=) 18.Be5+= Be5 19.Ne5 Qg5 (19...Bh3!? 20.Nc6 bc6 21.gh3 Reb8 22.Rc6 Nb4+=) 20.Nf3+/- Qf6 21.Qb1 (21.d4 Rad8+/-) 21...Rad8 22.Qa1 (22.d4 Bf5 23.Qb2 Be4+/-) 22...Qa1 23.Ra1 Nb4? (better 23...f5+/-) 24.Rb1+- Nd5 (24...Nd3 25.Rc3 Ne5 26.Ne5 Rd2 27.Rb7 Re2 28.Nf7 (28.Nc6?! Rc8+/-; 28.Rc6?! Bd5 29.Rf7 Bf7 30.Nf7 Rf8+=) 28...Bf7 29.Rf7 Kg8 30.Ra7+-) 25.Rb7 Rb8 26.Rb8 (26.Ba6 Nb4 27.Rb8 Rb8+-) 26...Rb8 27.Rc6 Rb1 (27...Nb4 28.Rb6 Rb6 29.ab6+-) 28.Kh2 Nb4 (28...Kg7 29.Ra6 Rc1 30.Kg3+-) 29.Rb6 Bf5 (29...Bc8 30.Ne5 Rb2 31.Bc4+-) 30.Nd4 Be4 (30...Nd5 31.Ra6 Bc8 32.Ra8+-) 31.f3 Bd5 32.Nc2! Nc2 33.Rb1 Na3 34.Rb6 (34.Rc1 Be6+-) 34...Nc4 (34...Bc4 35.Bc4 Nc4 36.Ra6+-) 35.Bc4 (better 35.Ra6 Na3+-) 35...Bc4 36.g4 Kg7 37.Kg3 Kf8 (37...Bd3 38.e4 Kf8 39.Kf4 g5 40.Ke3+-) 38.h4 Ke7 (38...Bd3 39.Rb3 Bc4 40.Rb8 Kg7 41.d4+-) 39.h5 gh5 40.gh5 f6 41.Kf4 1-0. Kaczur,F (2495) - Tokhirjonova,Gulrukhbegim (2375), Titled Tuesday 3rd Nov, 2020. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6)

7.d4 Bg4 8.Ne5 Bf5 9.Nd2 Nbd7 10.Be2 Ne4 11.Ne4 Be4 12.Nd7 Qd7 13.0-0 dc4 14.Bc4 Bg2 15.Kg2 ½–½. Lopez Martinez (2255) – Duran Albareda (2135), Juvenil op Spain, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.cd5 cd5 8.Be2 a6 9.0-0 Nbd7 10.a4 b6 11.d4 Bb7 12.Nbd2 Ne4 13.Ne4 de4 14.Nd2 Nf6 15.Rfd1 Rc8 16.Bc4 e6 17.Rac1 Qd7 18.b5 a5 19.Ba3 Rfd8 20.Qb2 Bd5 21.Rc2 Bf8 22.Rdc1 Ba3 23.Qa3 Bb7 24.Bb3 Rc2 25.Rc2 (worse is 25.Bc2 e5 26.Nb3 ed4 27.Nd4 Bd5=) 25...Rc8 26.Nc4 Nd5 27.Qd6 Qc7 28.Qc7 Rc7 (28...Nc7?? 29.Nb6 Rb8 30.Rc7+–) 29.Nd6 Rd7 30.Nb7 Rb7 31.Bd5 ed5 32.Rc6 Kf8 33.h4 Ke7 34.g4 f6 35.g5 fg5 36.hg5 Kd7 37.Kg2 Rc7 38.Rb6 Rc4 39.Rb7 Ke6 40.Rh7 Ra4 41.Ra7 Kf5 42.b6 Kg5 43.b7 Rb4 44.Ra5 Rb7 45.Rd5 Kf6 46.Re5 g5 47.Re4 Rb2 48.Kg3 Rd2 49.f4 gf4 50.Rf4 Ke6 51.Kf3 Ra2 52.Ke4 Ra4 53.Rh4 Kd6 54.Rh6 Kd7 55.Ke5 Ra1 56.Rh7 Kc6 57.d5 Kc5 58.Rc7 Kb6 59.Rc3 Rh1 60.e4 Rh5 61.Kd4 Rh4 62.d6 Rh1 63.Kd5 Rd1 (63...Rh7 64.e5 Kb5 65.Rc7+–) 64.Ke6 Kb7 65.e5 (65.e5 Kb6 66.d7+–) 1–0. Werchan,Hans (1990) – Jacobi,Karl Heinz (1910), Sachsen Anhalt Seniors op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.Be2 Nbd7 (7...dc4 8.Qc4 a5 9.ba5 Ra5 10.Nc3+=) 8.0-0 dc4 9.Qc4 Nb6 10.Qc2 Nbd5 11.a3 a5 12.b5 Bf5 13.Qc1? (13.d3!? Bd7 14.bc6=) 13...Rc8 (13...cb5!? 14.d3 Rc8 15.Qd1–+) 14.bc6–/+ Rc6 15.Qe1 Qb6 (15...Rc2!? 16.Be5 Qd7–/+) 16.Bd4+= Qb3 (16...Qc7 17.Be5 Qc8 18.d3=) 17.Nc3= Nc3 (17...Rcc8 18.Nd5 Qd5 19.d3+=) 18.Bc3 Rc3 (18...Qd5 19.Nd4 Rd6 20.Nf5 Qf5 21.d4+=) 19.dc3 (19.Nd4!? Qd5 20.dc3+/–) 19...Ne4+= 20.Nd4 Qc3 21.Qc3 Nc3 22.Bf3 b5 23.Rac1 (23.Nc6 e5 24.Ne7 Kh8 25.Nf5 gf5+=) 23...b4 24.ab4 ab4 25.Nc6 b3 26.Ne7 Kh8 27.Nf5 gf5 28.Rc3 Bc3 29.Rb1 (29.Be2!?+=) 29...b2–/+ 30.g3 Rc8 31.Be2 Kg7 (31...Rd8 32.f4+=) 32.Bd3+= Kf6 33.Kf1 Be5 34.Ke2 Rc1 35.Kd2 Bc3 36.Ke2 Ke5 37.f4? (better is 37.h3!?+=) 37...Kd5–+ 38.Bf5 (38.h3!? Kc5 39.Bf5 h6–+) 38...h6 39.Bd3 (39.e4 Kc4 40.e5 Kb3–+) 39...Kc5 40.g4 Kb4 41.h4 White plans g5 41...Ka3 42.g5 h5 (better is 42...hg5 43.fg5 Ka2 44.Rb2 Kb2–+) 43.g6? (better is 43.f5–+) 43...fg6 44.Bg6 Ka2 (44...Be1 45.Rb2 Kb2 46.Bh5 Bh4 47.Kd2–+) 45.Rb2 Kb2 (45...Bb2?! 46.Bh5 Kb3 47.Bf7 Kb4 48.h5–+) 46.e4 (46.Bh5 Be1–+) 46...Rh1 47.e5 Rh4 48.Kf3 Rh1 49.Ke4 (49.Kg2 Re1 50.Bh5–+) 49...h4 50.Kd5 (50.Bf5 h3 51.Kf3 Be5 52.fe5 Rf1 53.Kg4 Rf5 54.Kh3 Re5–+) 50...Rd1 51.Ke6 (51.Kc6 h3 52.Be4 Bd2–+) 51...h3 52.Kf7 (52.Be4 Rd4 53.Bc6 Rc4–+) 52...Rf1 (52...Rd4 53.Kf6 h2 54.Be8 h1Q 55.Kg6 Qe4 56.Kg5 Qf4 57.Kh5 Qe5 58.Kh6 Rg4 59.Bg6 Qd6 60.Kh5 Qg6) 53.e6 (53.Ke6–+) 53...Rf4 54.Ke8 (54.Kg8 h2 55.Bh7 h1Q 56.Bf5 Rf5 57.e7 Qh8) 54...h2 0–1. Dias,Jose (1680) – Pintor,Ariana Maciel Abran (2005), Figueira da Foz POR, Open, 2014. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Qb3 d5)

7.d4 Bf5 8.Be2 a5 9.b5 a4 10.Qa3 cb5 11.cb5 Nbd7 12.0-0 Nb6 13.Nbd2 Ne4 14.Ne4+= Be4 15.Nd2 Bf5 16.Rac1 Qb8 17.Nc4 Qa7 18.Nd2 Rfc8 19.e4+= Bd7 20.e5 Bh6 21.Rc8 Nc8 22.Ne4 Qb6 23.d5 Bg7 24.e6 fe6= 25.Bg7 Kg7 26.de6 Bb5?? 27.Bb5 Qb5= 28.f4 Qe8 29.Qc3 Kg8= 30.Nf6?? ef6–+ 31.Qf6 Ne7 ½–½. Farleigh,Richard – Rodriguez,Andres (2430), Moscow ol (Men), 1994.

7.d4 Bg4 8.Nbd2= Re8 9.Bd3 Na6 (9...Nbd7 10.0-0+=) 10.h3 (10.0-0 Nc7+=) 10...Bc8 (10...Bf3 11.Nf3 e5 12.de5 de5 A) worse is 13.Ne5 Nh5 14.g4 A1) worse is 14...Re5 15.0-0-0+/– (15.gh5?! Rh5 16.Bg7 Kg7=); A2) 14...Be5 15.Be5 Re5 16.gh5 Rh5+=; B) 13.Be5 Re5 14.Ne5+=) 11.Rd1 Nc7 12.Nf1 (12.Bc3!?+=) 12...Bd7 13.Ng3 a5 14.ba5 Ra5 15.Bc3 Ra8 16.Rd2 Bc8 (16...b5 17.Rb2=) 17.e4 (17.a4 c5+=) 17...Ne6= 18.Ne2 Bh6 19.Rb2 Nf4 (19...Nh5 20.0-0=) 20.Nf4+= Bf4 21.Bb1 Nh5 22.g4 Ng7 23.Bd2 Ne6 24.Kf1 Bd2 25.Rd2 Qa5 26.Qe3 Kg7 27.Kg2= Qb4 28.Qb3 Qb3 29.ab3 Bd7 30.Ba2 Ra3–/+ 31.Rb1 Rea8 32.Rbb2 R8a7 33.Bb1+= Bc8 34.Ne1 Ra8 35.Nc2 R3a7 36.Kg3 Ra6 37.f4 R6a7 38.h4 h6 39.f5 Nf8 40.Kf4 Nh7 41.g5 h5 42.Ne3+= Bd7 43.Ra2 Ra2 44.Ra2 Ra2 45.Ba2 Bc8 46.Bb1 Nf8 47.e5 de5 48.de5 Bd7 49.f6+/– ef6 50.ef6 Kg8 51.Ke5 Ne6? 52.Kd6+– Bc8 53.Be4 Kf8 54.b4 Ke8 55.b5 cb5 56.cb5 Kd8? 57.Bd5 Ke8 58.Be6 Be6 59.Kc7 Bd7 60.b6 Bc6 61.Nc4 (61.Nc4 Kf8 62.Nd6 Kg8 63.Nb7 Ba4 64.Nd6 Kh7 65.b7 Bd7 66.b8Q Bc6 67.Qf8 Bd5 68.Qg7) 1–0. Kalepky,H (2080) – Geyler,S (1915), Wiesbaden GER, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0)

7.Be2 dc4 8.Bc4 (8.Qc4 a5=) 8...Bf5+= 9.Qb3 b5 10.Be2 a5 11.0-0 Be6 12.Qa3 Na6 (12...Nbd7!? 13.d4 Nd5=) 13.ba5= (13.Qa5?? Nc7–+) 13...b4 14.Qa4 Nc5 Attacking the isolated pawn on a5 15.Qc2 (15.Qb4 Nd5 16.Qc5 Bb2+=) 15...Qa5 (15...Ra5 16.Ne5 Bd5= (16...Ba2? 17.Nc6 b3 18.Qc4+–)) 16.a3 (better is 16.Bd4 Ncd7 17.a3=) 16...Nb3–+ 17.ab4? (better is 17.Ra2 Nc1! 18.Qc1 Ba2 19.ab4 Qb4 20.Bc3–+) 17...Na1 18.ba5 Nc2 19.a6 (19.Bc3 c5 20.Rc1 Nb4 21.Bf6 Bf6 22.Rc5 Rfc8 23.Rc8 Rc8–+) 19...Bc8 (19...Nb4 20.Ba3 Nfd5 21.Rc1–+) 20.Rc1 Nb4 21.Nc3 (21.Ba3 c5 (21...Na6?! 22.Be7 Re8 23.Bf6 Bf6 24.Rc6–+) 22.d4 Ba6 23.Ba6 Ra6 24.Rc5 Rb8 25.Bb4 Rb4 26.Rc8 Bf8–+) 21...Ba6 22.Ba6 Ra6 0–1. Hilbert,Stephan J – Faust,Dieter (1640), FICGS, 2016.

7.Be2 Nbd7 8.0-0 dc4 9.Qc4 Nb6 10.Qc2 Bg4 (10...a5 11.ba5 Ra5 12.Nc3+=) 11.h3= Bf3 12.Bf3 Qd6 (12...a5 13.ba5 Ra5 14.a4=) 13.a3 (13.Qb3 Rfd8=) 13...e5 (13...a5 14.Bd4 Nfd5 15.Bc5=) 14.Rd1 (14.d4 Nfd5=) 14...Rfe8 (14...a5 15.ba5 Ra5 16.Bc3=) 15.d3 (15.Nc3 Nc4=) 15...Rad8 (15...a5!?=) 16.Nc3+= Qe6 17.Rac1 (17.Rab1 Rd7+=) 17...a6 18.Nb1 (18.Be2 Nbd5+=) 18...Nfd5 (18...Rd7 19.Nd2+=) 19.Nd2 f5 20.Nb3 Nd7 (20...Na4 21.Nc5 Nc5 22.bc5+=) 21.Na5+/– Rb8 22.Ba1 (22.e4 Nf4+/–) 22...Bf6 (22...N7b6 23.Nc4 Rbd8 24.e4 fe4 25.Bg4+/–) 23.e4 (23.Nc4 Re7+=) 23...N5b6 (23...Nf4 24.Bc3+=) 24.Re1 f4 25.Bd1 (25.Rcd1 h5+/–) 25...Kg7 (25...Qf7 26.Qd2 Nf8 27.Bb3+/–) 26.Qe2 (26.Bg4 Qe7+/–) 26...Nf8+= 27.Bb3 Qe7 (27...Qd6 28.Red1+=) 28.Ba2 (28.Rcd1 Rbd8+=) 28...Nbd7 (28...Ne6 29.Rcd1=) 29.Nc4 (29.Red1 Ne6+=) 29...Ne6 30.Bc3 (30.Bb2 Nd4 31.Qd1 Rbc8=) 30...b6 (30...Nd4 31.Qg4=) 31.Qb2 (31.Nd2 Qd6+=) 31...Nd8 (31...Nd4!?=) 32.d4+/– Nf7 33.f3 (33.de5 Nde5 34.Ne5 Ne5+/–) 33...Rbc8 (33...ed4 34.Bd4 Nfe5 35.Red1+=) 34.Red1+/– White prepares d5 34...Rc7 (34...ed4 35.Bd4 Nfe5 36.Qd2+/– (36.Nb6? Nb6 37.Qe2 Nbd7–+)) 35.Rd2 (35.de5 Nfe5 36.Nd6 Rf8+–) 35...c5 (35...ed4 36.Bd4 Nfe5 37.Ne5 (37.Nb6? Nb6 38.Qc3 Nbd7–+) 37...Be5 38.Rcd1+=) 36.bc5 (36.dc5 bc5 37.Bb3 Rb8+/–) 36...bc5 (better is 36...ed4!? 37.Bd4 Rc5 38.Bf6 Qf6+=) 37.d5+– Nd6 (37...Rb8 38.Qc2 Nd6 39.Na5+–) 38.Qc2 Rb8 (38...Rb7 39.Na5 Rb6 40.Nc6+–) 39.Rdd1 1–0. Vernacki,Srdjan (2320) – Brnas,Augustin (2200), 26. TCh–CRO Div 1b, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.Be2 Bf5 8.d3=.

7.b5 d5 8.d4 Bf5 9.Be2 cb5 10.cb5 Nbd7 11.0-0 Rc8 12.Qb3 Nb6 13.Rac1 Ne8 14.Ba3 Nd6 15.Bc5 (worse is 15.Nd5 a4 16.Ne7 Qe7+=) 15...Ndc4 16.Rfd1 Re8 17.Bb6 (17.Nd5!? Qd5 18.Rc4+=) 17...Nb6= 18.Nd2 Qd6 19.Bf3 Red8 20.Na4 Na4 21.Qa4 b6 22.Rc6 (22.Qb3 e5 23.Rc8 Bc8 24.de5 Qe5=) 22...Rc6 23.bc6 Rc8 24.Rc1 e5 25.de5 Be5 26.e4? (better is 26.Qb3 Rc6 27.Rc6 Qc6 28.Bd5 Qc1 29.Nf1=) 26...Bh2–+ 27.Kh1 (27.Kf1 de4 28.Ne4 Qd3 29.Ke1 Be4 30.Qe4 Qe4 31.Be4 Re8–/+) 27...Qf4 28.Rc2 (28.Qc2 de4 29.Be4 Qh6–+) 28...de4 29.Be4? (29.Ne4 Qh4 30.Rc4–+) 29...Qh4 30.Rc4 (30.Nf3 Qe4 31.Rc4 Qb1 32.Kh2–+) 30...Bg3 31.Kg1 Bf2 32.Kf1 Be3 (32...Be3 33.g3 Qg3 34.Ke2 Qf2 35.Kd1 Qd2) 0–1. Johannessen,S (2305) – Baumgartner,H (2350), World Seniors, Rowy Poland, 2000. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 c6 5.e3 0-0)

7.b5 d6 8.d4 Nbd7 9.Ba3 Re8 10.Be2 Nf8 11.Rc1 cb5 12.Nb5 b6 13.0-0 Bb7 14.Nd2 Ne6 15.Bf3 Bf3 16.Nf3 (worse is 16.gf3 Qd7+=) 16...Nc7 17.Rb1 Na6 18.Qb3 Nd7 19.Rfc1 Qb8 20.h3 Rd8 21.Ng5 Rf8 22.Nc3 Nc7 23.Na4 h6 24.Ne4 Ra6 25.Nec3 Qa8 26.Qd1 Qc6 27.Qe2 Rb8 28.Rb3 Bf8 (28...Rc8 29.Bb2+=) 29.Nb5+/– Rc8 30.Rbb1 Raa8 31.Qf3 (31.d5!? Qb7 32.Nd4+/–) 31...Qf3= 32.gf3 Na6 33.Kf1 Rab8 34.Ke2 Rb7 35.Kd3 Rcb8 36.f4 Nc7 37.Rc3 Nb5 38.Rb5 e6 39.Rcb3 Be7 40.e4 Kf8 41.e5 de5 42.Be7 Ke7 43.fe5 Rd8 44.f4 (better is 44.Nb6!? Rb6 45.Rb6 Ne5 46.Kc3+–) 44...Rc7+/– 45.Nb6 (45.Ra3 Nc5 46.Ke3 Na4 47.Ra4 Rcd7 48.Rb6 Rd4 49.Rb7 Kf8 50.Ra5 Rd3 51.Ke2 Rd2 52.Ke1 Rd1 53.Kf2 R8d2 54.Kg3 Rd3 55.Kf2 R3d2 56.Kf3 Rd3 57.Ke2 R1d2 58.Ke1 Rd1 59.Ke2 R1d2 60.Ke1 Rd1 61.Ke2=) 45...Nc5+= 46.Rc5 Rc5 47.Nd5 Rcd5 48.cd5 Rd5 49.h4 Rd7 50.a4 Ra7 51.Rb5 Kd7 52.Ke4 Kc6 53.d5 ed5 54.Rd5 Rb7 (better is 54...Ra8!?+/–) 55.Ra5+– Rb4 56.Kf3 h5 57.Ra7 Kd5 58.Rd7 Ke6 59.Rd6 Ke7 60.a5 Ra4 (60...Rb3 61.Ke4+–) 61.a6 Ra3 62.Ke4 Ra4 63.Ke3 Ke8 64.Rb6 Kf8 65.Kd3 Kg7 66.Rf6 Ra1 67.Kc4 Rb1 68.Kc5 Ra1 (68...Rb8 69.a7 Re8 70.Ra6+–) 69.Kb6 1–0. Julia,Ernesto – Levrand,Roland, World Senior Championship Men, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.Nbd2 Nbd7 8.Be2 e5 9.0-0 Qe7 10.Qc2 b6 11.a4 a6 12.Rfb1 Bb7 13.Nf1 Rac8 14.Ng3 Ne8 15.Qb3 Kh8 16.Nd2 f5 17.Bf3 Ba8 18.Rc1 h5 19.a5 h4 20.Ngf1 b5 21.h3 Nef6 22.e4 Bh6 23.Re1 Qg7 24.d4 Bf4 25.Rad1 Rce8 26.Qd3 Qh7 27.de5 Ne5 28.Be5 de5 29.Ne3 Nh5 30.Qe2 Ng7 31.Nb3 Ne6 1–0. Grigoriev,A (2280) – Ikis,Melih Firat (1895), 10th Izmir Open, 2011. (=1.Nf3 Nf6 2.b4 c6 3.e3 g6 4.c4 Bg7 5.Bb2 0-0 6.d3)

7.Nbd2 e5 8.Be2 Re8 9.Qc2 Nbd7 10.0-0 Qe7 11.a3 h6 12.Rfe1 b6 13.Nb3 c5 14.bc5 dc5 15.Nbd2 Bb7 16.Bc3 e4 17.de4 Ne4 18.Bg7 Kg7 19.Ne4 Be4 20.Qb3 Ne5 21.Ne5 Qe5 22.a4 Rad8 23.Red1 Bc6 24.a5 Rd2 25.Ra2 Rd1 26.Qd1 Re6 27.ab6 ab6 28.Rd2 h5 29.Bf1 h4 30.h3 Rf6 31.Qe1 g5 32.Qd1 Rg6 33.Be2 f5 34.Ra2 Rd6 35.Qc1 Qf6 36.Ra6 Be4 37.Ra7 (37.Ra7 Kg8 38.Bh5+=) 1–0. Csom,Istvan (2490) – Hardicsay,Peter (2355), Donau Cup op rapid, 1992. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3)

7.a3 b5 8.cb5+/– cb5 9.Bb5 Rb8 10.Nc3 d6 11.0-0 Rb5? (better is 11...Nc7!? 12.Bd3 Bg4+–) 12.Nb5 Qb6 13.Nc3 Bg4 14.h3 Bf3 (14...Bf5 15.Rc1+–) 15.Qf3 (15.gf3?! d5+–) 15...Rc8 16.Rac1 (16.Rac1 Nc7 17.Ne4+–) 1–0. Janek – Zack, internet, 2016.

7.a3 d5!?=.

7.Qb3 Nc7 8.Nbd2 d6 9.Be2 Bd7 10.0-0 Rc8 11.a4 a6 12.a5 h6 13.Nb1 Ne4 14.Bd3 f5 15.Be4 (15.Nc3 Nc3 16.Bc3 Be6+/–) 15...fe4+= 16.Nfd2 d5 17.cd5 cd5 18.Ne4 Bb5 19.Rc1 Bc4 20.Qc2 Nb5 21.Nc5 Qd6 22.Nd2 Rf2?? (better is 22...Be2+–) 23.Kf2 Nd4 (23...Qh2 24.Qg6 Rf8 25.Nf3 Qd6+–) 24.Bd4 Bd4 25.ed4 Rf8 26.Nf3 Rf3 (26...Rf5 27.Kg1+–) 27.gf3 Qh2 28.Ke3 Qh5 (28...Qd6 29.f4 Kg7+–) 29.Qg6! Qg6 30.Rg1 (30.Rg1 Kf7 31.Rg6 Kg6 32.Rg1 Kf6 33.Nd7 Kf5 34.Rg7+–) 1–0. Lehikoinen,Pertti Ilari – Nemlioglu,Ahmet Fahri, EU–ch U20 qual, 1970. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 c6 6.e3)

7.cb5+/- cb5 8.Bb5 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Ba6 12.Ba6 Na6 13.0-0 (13.Qb3!?+/-) 13...Nb4= 14.Qb3 Nc6 15.Nc3 Qc7 16.Nb5 Qb6 17.d5 Na5 18.Qd3 Rb8 19.Bf6 Bf6 20.Nbd4 Nb3 (20...e5 21.de6 de6 22.Rc1=) 21.Nb3 (better 21.Rb1!? Nd4 22.Rb6 Nf3 23.gf3 Rb6 24.Kg2+/-) 21...Qb3= 22.Qb3 Rb3 23.Rc1 Kg7 24.g3 d6 25.Kf1 (better 25.Kg2!?=) 25...Rd3-/+ 26.e4? (better 26.h4-/+) 26…Rf3-+ 0-1. muhammadaudii (2145) - ishakould (2030), NBL week, lichess.org, 2020.

7.c5 a5= 8.a3 Nd5 9.Bc3 (9.Nc3 A) worse 9...ab4 10.Nd5 cd5 11.ab4 (11.Bb5?! ba3 12.Qb3 Na6 13.Qa3 Nc7=) 11...Ra1 12.Qa1+/-; B) 9...Nf6=) 9...Na6 (9...ab4 10.ab4 Ra1 11.Ba1-/+) 10.ba5 (better 10.Bd2!?=+) 10...Nc3-/+ 11.Nc3 Qa5 12.Qb3 (better 12.Qd2 Nc5! 13.Ra2-+) 12...Nc7 (better 12...Nc5!? 13.Qc2 d6-+) 13.a4 Nd5 14.Kd2 d6 15.Bd3 dc5?? (better 15...Nc3 16.Qc3 b4-/+) 16.ab5+/- Qb4? (better 16...cd4 17.Nd4 Qa1 18.Ra1 Ra1 19.Nd5 cd5 20.Qd5 e6+/-) 17.Ra8?? (better 17.Qb4 Ra1 A) 18.Ra1?! Nb4 (18...cb4? 19.Nd5 cd5 20.b6+-) 19.b6 e5 20.dc5 Nd3 21.Kd3 e4 22.Ke4 Bc3+=; B) 18.Qc5 Rh1 19.bc6+-) 17...Qb3-+ 18.Rb1 (18.Nd5 Qd5 19.e4-+) 18...Qc3 19.Ke2 c4 20.Be4 Bf5 (better 20...Nf6 21.Bg6 fg6 22.Rba1 cb5 23.Kf1-+) 21.Bf5 (21.Rf8 Bf8 22.Bf5 gf5-+) 21...gf5 (better 21...Ra8 22.Ne1 gf5-+) 22.Ra2 (22.Rba1 Qd3 23.Ke1 Ra8 24.Ra8 Bf8-+) 22...Rb8 (22...Qd3 23.Ke1 Qb1 24.Kd2 Qa2 25.Ke1 Qb1 26.Kd2 Qb2 27.Ke1 Qc1 28.Ke2 Nc3) 23.Ne5 (23.Ne1 Rb5 24.Rba1 f4-+) 23...Be5 24.de5 Rb5 (24...Qd3 25.Kf3 Qe4 26.Ke2 Nc3 27.Kd2 Qd3 28.Ke1 Qb1 29.Kd2 Rd8 30.Kc3 Qb3) 25.Rba1 Qd3 26.Kf3 Qe4 27.Ke2 c3 (27...Nc3 28.Kd2 Qd3 29.Ke1 Rb1 30.Rb1 Qb1 31.Kd2 Ne4 32.Ke2 Qa2 33.Ke1 Qf2 34.Kd1 Qd2) 28.Ra4 Nf4 29.Ke1 (29.Kd1 Qd3 30.Kc1 Ne2) 29...Rb1 30.Rb1 Qb1 0-1. Malkav – Kimon, Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 c6 6.c4)

7.a4 Bb7 8.Be2 d5 9.0-0 dc4 10.Bc4 Nbd7 11.Qb3 c5 12.Nbd2 cd4 13.Nd4 Nc5?? (better is 13...Ne5=) 14.bc5+– Ne4 (14...bc5 15.Qb7 Rb8 16.Qa7 Rb2 17.N4f3 Rd2 18.Nd2 Qd2 19.Rfd1+–) 15.Ne4 Be4 16.cb6 ab6 17.Rfd1 Qc7 18.Rac1 Be5 (18...Qa7 19.Qb4 Bf6 20.Bb5+–) 19.g3 (better is 19.f4 Qb7 20.fe5 Bg2 21.Ba3+–) 19...Qb7 20.Bf1 Bf6 21.Nb5 Bf3 22.Rd2 Rac8 (22...Bb2 23.Rc7 Qe4 24.Qb2 Ra4 25.Nc3+–) 23.Rdc2 (better is 23.Rc8!? Qc8 24.Bf6 ef6+–) 23...Rc2 24.Qc2 (24.Rc2?! Bd1+–) 24...Bb2 25.Qb2 1–0. carocan (1795) – pawiankoski1, kurnik, 2011.

7.Nbd2 Bb7 8.Be2 a5 9.b5 cb5 10.cb5 d6 11.0-0 Nbd7 12.a4 Nd5 13.Qb3 e6 14.g3 Nb4 15.Ba3 Bd5 16.Bc4 Bc4 17.Nc4 d5 18.Ncd2 Qe7 19.Rfb1 Nc5? 20.Bb4+– ab4 21.Qb4 Qc7 22.dc5 Ba1 23.Ra1 bc5 24.Qb2 c4 25.Qc3 Qb6 26.Nd4 h5 27.a5 Qc5 28.b6 e5 29.N4f3 d4? 30.ed4 ed4 31.Qd4 Qb4 32.a6 Rfd8 33.Qc4 Qb6 34.Ne4 Kg7 35.Nfg5 Rd7 36.Qc3 f6 37.Nf3 Ra6 38.Ra6 Qa6 39.Nc5 Rd1+/– 40.Kg2?? Qc6 41.Kh3?? Rd5?? 42.Nd4+– Rc5 43.Qc5 Qc5 44.Ne6 Kh6 45.Nc5 f5 46.f4 g5 47.fg5 Kg5 48.Nd3 Kh6 49.Kh4 Kg6 50.Nf4 Kh6 51.Nh5 Kg6 52.Nf4 Kf6 53.Kh5 Ke5 54.Kg6 Ke4 55.h4 Kf3 56.Kf5 Kg3 57.h5 Kf3 58.h6 (58.h6 Kf2 59.h7 Ke1 60.h8Q Kd2 61.Qb2 Ke3 62.Ke5 Kf3 63.Qg2 Ke3 64.Qe2#) 1–0. barborski – rryy44, kurnik, 2011.

7.Be2 d5 8.a4 e6 9.0-0 Bb7 10.Nbd2 Nbd7 11.b5 cb5 12.ab5 a6 13.Qb3 ab5 14.Qb5 dc4 15.Nc4 Nd5 16.Nd6 Ra1 17.Ra1 Qc7 18.Ba3 Bc6 19.Qb3 Ra8 20.Ne4 Ba4 21.Qb2 f5 22.Neg5 Qc3 23.Ne6 Qc2 24.Qc2 Bc2 25.Ng7 Ra3?? 26.Ra3 Kg7 27.Ra7 N5f6 28.Ne5 b5 29.Bb5 Be4 30.Nd7 Nd7 31.Rd7 Kg8 32.f3 Bc2 33.d5 h6 34.d6 g5 35.Rc7 Be4 36.d7 f4 37.d8R (37.d8Q) 1–0. nizinna – sabitrexhepi, kurnik, 2011.

7.a3 d5 8.Nbd2 a5 9.c5 Qc7 10.Be2 Bf5 11.0-0 Nbd7 12.b5 Ne4 13.b6 Qb8 14.Ra2 (14.Qc1 Ndf6=) 14...Nd2 (14...e5 15.Re1=) 15.Nd2 e5 16.a4 (16.Qa4 Re8=) 16...ed4 17.ed4 Re8 18.Nb3 Nf6 19.Bc3 (19.Re1+=) 19...Re4 (better is 19...Ne4!? 20.Qc1 Re7–/+) 20.Ba5 (20.f3 Re3 21.Bd2 Re8+=) 20...Ng4 (20...Re8 21.Bb4 Ne4 22.a5+/–) 21.Bg4 Rg4 22.f3 Rh4 23.g4 Ra5 (better is 23...Be6 24.Be1 Rh3=) 24.Na5+/– Be6 25.Nb3 h5 26.Rg2 (26.Qe1!? Rh3 27.g5+–) 26...hg4+= 27.fg4 Rh3? (better is 27...Bg4 28.Qe1 Rh3+/–) 28.a5+– Bh6 (28...Rb3 29.Qb3 Bd4 30.Kh1 Bc5 31.Qc3+–) 29.a6! ba6 30.Na5 Rh2?? (30...Bd7+–) 31.Rh2 Qg3 32.Rg2 Be3 33.Kh1 (33.Kh1 Qh4 34.Rh2+–) 1–0. Krnic – Stankovic, Yugoslavia, 1980. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4)

7.a3 d5 8.Bd3 Bf5 9.Bf5 gf5 10.0-0 Ne4 11.Nbd2 Nd7 12.Qc2 Ndf6 13.Nb3 Rac8 14.Ne5 Rfd8 15.f3 Nd6 16.c5 Qc7 17.cd6 Rd6 18.Qf5 Ne8 19.Qf7 Kh8 20.Qh5 Rh6 21.Nf7 Kg8 22.Nh6 Bh6 23.Qh6 Nf6 24.e4 Qf4 25.Qf4 1–0. trutmo – termitodlak, kurnik, 2012.

7.a3 e6 8.Nbd2 d5 9.Rc1 dc4 10.Bc4 Qc7 11.0-0 Nbd7 12.Re1 Nb6 13.Be2 Nbd5 14.g3 b6 15.Qc2 Bb7 16.e4 Ne7 17.b5 c5 18.dc5 Rac8 19.c6 Ba8 20.Be5 Qd8 21.Red1 Nh5 22.Nc4 Qe8 23.Nd6 Qd8 24.Nc8 Qc8 25.Rd7 Be5 26.Ne5 Re8 27.Bh5 gh5 28.Qd2 a6 29.Qg5 Kh8 30.Nf7 1–0. barborski – selua30, kurnik, 2012.

7.Nc3 d5 8.Qb3 b6 9.Bd3 Ba6 10.0-0 dc4 11.Bc4 Bc4 12.Qc4 b5 13.Qc5 Nfd7 14.Qd6 Nb6 15.Qf4 Qe7 16.a3 Nc4 17.Rfb1 Nd7 18.Ne4 f5 19.Qg5 Qg5 20.Neg5 Rfe8 21.a4 h6 22.ab5 cb5 23.Nh3 g5 24.Nfg5 hg5 25.Ng5 f4 26.Ra6 fe3 27.fe3 Bh6 28.Re6 Re6 29.Ne6 Be3 30.Kh1 Ndb6 31.Bc1 Bc1 32.Rc1 Nd5 33.Rb1 Re8 34.Nc5 Nb4!! 35.g3 a5 36.Nb7 Rb8 37.Na5 Na5 38.Rb4 Nc6 39.Rb1 Nd4 40.Rb4 Nc6 41.Rb2 b4 42.Kg2 b3 43.h4 Ne5 44.Kh3 Nc4 45.Rb1 b2 46.Kg4 Nd2 47.Rb2 Rb2 48.Kg5 Kg7 49.Kf4 Kg6 50.g4 Rb4 51.Kg3 Nf1 52.Kf2 0–1. Comet B25 – Fritz 5.32, 2004.

7.Nbd2 b6 8.Be2 Bb7 9.0-0 d5 10.Rc1 dc4 11.Bc4 Nbd7 12.Qb3 Re8 13.Rfe1 e5 14.de5 Rf8 15.ef6 Nf6 16.Rcd1 b5 17.Be2 Qc7 18.Be5 Qe7 19.Nf1 Nd5 20.Bg7 Kg7 21.a3 Qf6 22.Nd4 h5 23.Bf3 Rad8 24.Ng3 h4 25.Ne4 Qe5 26.Nc5 Ba8 27.h3 f5 28.Nce6 Kh7 29.Nf8 Rf8 30.Nb5 g5 31.Bd5 cd5 32.Nd4 g4 33.hg4 fg4 34.Qd3 Kh6 35.Rc1 h3 36.g3 Qf6 37.Re2 h2 38.Kh2 Kg7 39.Kg2 a6 40.Rc7 Kg8 41.Qh7 1–0. barborski – selua30, kurnik, 2012.

7.Be2 d6 8.0-0 d5 9.c5 Nbd7 10.Nbd2 Re8 11.Nb3 Ne4 12.Qc2 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Rad1 Qe8 17.Nd4 Bd7 18.Bd3 a6 19.a3 Qe7 20.f4 Rh5 21.Be4 de4 22.Nb3 Qh4 23.g3 Qg4 24.Na5 Rb8 25.Qe4 Re8 26.Qc2 Re3 27.Qf2 Ra3 28.Qb2 Re3 29.Qd2 Re2 30.Qd3 Rhh2 0–1. Bonetti,Shane – guest1421, ICC, 2002.

7.0-0 d6 8.Nc3 e5 9.d4 ed4 (9...Qe7 10.Qa4+=) 10.Nd4 c5 11.Bf3 Bg4 (11...cd4 12.ed4 (12.Ba8?! dc3 13.Bc3 Be6=) 12...d5 13.Nd5+/–) 12.Bg4 cb4? (better is 12...Ng4 13.Qg4 cd4 14.ed4 Qc8+/–) 13.Nd5+– Nd5 14.cd5 a5 15.Nc6 Nc6 16.Bg7 (16.dc6?! Bb2 17.Rb1 Be5=) 16...Kg7 17.dc6 Qc7 (17...f5 18.Bf3 Qf6 19.Qd5+–) 18.Qd4 f6 19.Bd7 Rf7 20.Rfd1 b5 (20...Ra7 21.Qd6 h6 22.Qe6+–) 21.Qd6 Qd6 (21...Ra7 22.Qc7 Rc7 23.Rd5+–) 22.Rd6 f5 (22...Ra7 23.Rc1 Rc7 24.Be6+–) 23.c7 Rd7 (23...Rff8+–) 24.Rd7 Kf6 25.Rd8 Rd8 (25...Rd8 26.cd8Q Kg7 27.Rd1 g5 28.Qg5 Kf7 29.Rd7 Ke6 30.Qe7). Pech,Jaroslav – Cavaille,Cedric, FICGS, 2011.

7.0-0 d5 8.d4 a5 9.b5 dc4 10.Nc3 cb5 11.Nb5 Nc6 12.Rc1 Nb4 13.Bc4 Qb6 14.Ne5 Bd7 15.Nd7 Nd7 16.a3 Nc6 17.a4 Nb4 18.e4 Rac8 19.e5 Rc6 20.Qb3 Bh6 21.f4 Rfc8 22.Kh1 Qd8 23.Nd6 R8c7 24.Be6 Rc1 25.Bf7 (25.Bc1 fe6 26.f5 Nd5 27.Bh6 g5+–; 25.Rc1 Rc1 (25...fe6?? 26.Qe6 Kg7 27.Rc7 Qc7 28.Ne8 Kh8 29.Nc7+–) 26.Bc1 Qe7 27.Nf7 Bf8+–) 25...Kg7 26.Bc1 Nf8 27.Ne8 Kh8 28.Nc7 Qc7 29.e6 b6 30.d5 Qd6 (30...Bg7 31.Re1 Qe7+–) 31.Bb2 (31.Qc3 Bg7 32.Bb2 Ne6 33.de6 Qf8 34.e7 Qf7 35.e8Q Qe8 36.Qg7#) 31...Bg7 (31...Qe5 32.Be5 Bg7 33.e7 Nd7 34.e8Q Nf8 35.Qf8#) 32.Qc3! Ne6 (32...Bc3 33.Bc3) 33.de6 Bc3 (33...Qf8 34.e7! Qf7 35.e8Q Qe8 36.Qg7#) 34.Bc3 Qe5 (34...Qd4 35.Bd4#) 35.Be5# 1–0. usingprogram (2025) – xhekki13 (1665), kurnik, 2012.

7.0-0 d5 8.d4 Ne4 9.Nbd2 Nd2 10.Qd2 b6 11.a4 Ba6 12.b5 Bb7 13.c5 bc5 14.dc5 Bb2 15.Qb2 Nd7 16.Rfc1 Rc8 (16...Qc7 17.a5+–) 17.b6! ab6 (17...Qe7 18.a5 a6 19.Rab1+–) 18.cb6+– c5 19.a5 Ba6?? (better 19...c4 20.a6 Rc6 21.ab7 Rb6+–) 20.Ba6 Rb8 21.Bb5 Nb6 22.ab6 Rb6 (22...c4 23.Ne5 Rb6 24.Rab1+–) 23.Rc5 Qb8 (23...Qe7 24.Rac1+–) 24.Ne5 Rc8 (24...Qd8+–) 25.Rc8 Qc8 26.Ng4 (26.Ng4 e5 27.Qe5+–) 1–0. Adlai – Trenta, internet, 2021.

7.0-0 d5 8.cd5 ed5 9.h3 Re8 10.d4 Nbd7 11.Nc3 Nb6 12.Ne5 Bf5 13.a4 Nbd7 14.f4 (better is 14.Nd7 Nd7 15.b5=) 14...a6 (better is 14...Ne4+=) 15.g4+/– Be4 16.g5 Nh5 17.Bh5 Ne5 18.de5 (worse is 18.Ne4 Nc4 19.Bc1 Re4–+ (19...de4?! 20.Be2 Nd6 21.Bb2=; worse is 19...gh5 20.Ng3–/+)) 18...gh5 19.Qh5 (19.Ne4 de4 20.Bd4 a5+/–) 19...Bg6 (19...Bf5 20.Rfd1=) 20.Qg4+/– d4 (20...Bc2 21.Rfc1 Bg6+/–) 21.f5?? (better is 21.Rad1!? d3 22.Kh1+–) 21...Bf5 (21...dc3!? 22.fg6 Re5 23.gf7 Kf8 24.Bc3 Rg5 25.Bg7 Rg7 26.Qg7 Kg7 27.f8Q Qf8 28.Rf8 Kf8=) 22.Qf5+/– Re5 23.Qf7+– Kh8 24.Ne2 Qg5+= 25.Kh1 Re3 26.Rg1?? Rh3 0–1. gtate (1860) – johnv (1865), net–chess.com, 2003. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 c6 6.Be2)

7.Qb3 e6 8.Nc3 Nbd7 9.d4 dc4 10.Bc4 Nb6 11.Bd3 Nbd5 12.Ne2 Re8 13.e4 Ne7 14.0-0 Bd7 15.Rfd1 Nh5 16.Ne5 Nf6 17.Rac1 a6 18.Rc2 b5 19.a5 Rc8 20.Ng3 h5? 21.f4 Nh7 22.Rc5 f6? 23.Nf3 Kh8? 24.Nh5 gh5 25.Rh5 Ng8 (25...Ng6 26.e5 Ngf8 (26...f5 27.Ng5) 27.Bh7 Nh7 28.Qc2; 25...Kg8 26.e5! Nf8 (26...f5 27.Bf5) 27.ef6 Bf6 28.d5! Nd5 29.Ne5!) 26.e5 Nh6 27.Bh7 Kh7 28.d5! cd5 (28...f5 29.de6 Be6 30.Ng5; 28...ed5 29.ef6 Bf6 30.Qd3 Re4 31.Ng5 Bg5 (31...Kg7 32.Bf6 Qf6 33.Ne4) 32.fg5) 29.ef6 Bf6 (29...Kg6 30.Ne5 Kf6 (30...Kh7 31.fg7) 31.Nc6) 30.Qd3 Kg7 31.Rg5 Kf8 32.Qg6 Bb2 33.Qh6 Ke7 34.Ne5! Rf8 (34...Be5 35.fe5; 34...Kd6 35.Nf7) 35.Ng6 Kd6 36.Nf8 d4 (36...Qf8 37.Rgd5 Kc6 38.Rd7; 36...Qf6 37.Qf6 Bf6 38.Nd7 Bg5 39.Nb6) 37.Nd7 Kd7 38.Rg7 Kd6 39.f5 Qe8 40.fe6 Kd5 41.Qd2 Bc3 42.Rg5 Kc6 43.Qe2 Qe7 44.Qe4 Kc7 45.Rd5 Re8 (45...Rd8 46.Rf1) 46.Qg4 Kc8 47.Rd7 1–0. Wiezer – Braun, corr ICCF 1979 (Wiezer).

7.b5 cb5 8.cb5 b6 9.Be2 Bg4 10.h3 Bf3 11.Bf3 Nbd7 12.0-0 e5 13.Nc3 e4 14.Be2 Nc5 15.d4 Nb7 16.Qb3 Rc8 17.Rac1 Qd7 18.Na2 Na5 19.Qd1 Nc4 20.Bc3 Rc7 21.Nb4 Rfc8 22.Nc6 Rc6 23.bc6 Rc6 24.Bb4 Qc8 25.Bc4 Rc4 26.Rc4 Qc4 27.Qd2 a5 28.Ba5 ba5 29.Qa5 Bf8 30.Qa8 Kg7 31.a5 Nd7 32.a6 Nb6 33.Qb7 Nc8 34.a7 Na7 35.Qa7 h5 36.Ra1 g5 37.Qa4 Qc7 38.Rb1 g4 39.hg4 hg4 0–1. Abdullaevich (1660) – viktor25121945 (1610), lichess.org, 2018.

7.b5 dc4 8.Bc4 cb5 9.ab5 Nbd7 10.0-0 Nb6 11.Be2 Bg4 12.d4 e6 13.Nbd2 Qc7 (13...Qd5 14.Ne5 Be2 15.Qe2+=) 14.Rc1 Qd7 15.Ne5 Be2 16.Qe2 Qe7 17.Ndc4 Rfc8? (better 17...Nc4!? 18.Rc4 Nd5+=) 18.Ba3+– Qe8 19.Nd6 Qd7?? (better 19...Rc1 20.Rc1 Qe7+–) 20.Nd7 (20.Nd7 Nfd7 21.Nc8 Nc8 22.Rc7+–) 1–0. BeepBeepImAJeep (2725) – nimzovit (1780), lichess.org, 2015.

7.b5 Nbd7 8.Be2 Re8 9.0-0 e5 10.d4 e4 (10...ed4 11.Bd4 c5 12.Bb2=) 11.Nfd2 Nf8 (11...cb5 12.ab5 dc4 13.Nc4=) 12.Nc3+= Be6 13.Rc1 Rb8 14.Ba3 h6 15.bc6 bc6 16.cd5 cd5 17.Nb5 a6 (17...Rc8 18.Rb1+–) 18.Nc7 Re7 (18...Bc8+–) 19.Na6 Ra8 20.Be7 Qe7 21.Nc7 Ra7 22.Ne6 Qe6 (22...Ne6 23.Rc8 Kh7 24.Bb5+–) 23.Nb3 (23.Bb5 N8d7+–) 23...g5 (23...Qe7 24.a5+–) 24.Nc5 Qf5 (24...Qd6 25.Qd2+–) 25.h3 (25.f3 Qg6+–) 25...Ng6 (25...N8d7 26.Nd7 Qd7 27.Bb5+–) 26.Bg4 (better 26.g4!? Qc8 27.Ne4 Qe8 28.Nf6 Bf6+–) 26...Ng4 27.Qg4 Qf6 (27...Qg4 28.hg4 Bf8 29.f3+–) 28.Qc8 Kh7 29.Qb8 (29.f3 ef3 30.Rf3 Qd6+–) 29...Re7 (29...Qe7 30.Qb3 Qd6 31.f3+–) 30.a5 g4 31.hg4 Qg5 32.a6 Qg4 33.Qg3 Qf5 (33...Qc8 34.Qd6 Qa8 35.Rb1+–) 34.Rb1 (34.Ra1 Ra7 35.Qb8 Nh4+–) 34...Ra7 (34...Bf8 35.Rb7 Re8 36.a7+–) 35.Rb7 Kg8 (35...Ra8+–) 36.Ra7 (36.Ra7 Kh7 37.Rb7 Bd4 38.a7 Bc5 39.a8Q+–) 1–0. BeepBeepImAJeep (2565) – bigidiot (2280), lichess.org, 2017.

7.b5 e6 8.bc6 bc6 9.cd5 cd5 10.Be2 Ba6 11.Ba6 Na6 12.Qe2 Nc5 13.d4 Nce4 14.Nc3 Rb8 15.Ba3?? (15.Rc1 Qa5 16.0-0 Rb3 17.Ne4 Ne4-/+) 15...Re8 (better 15...Qa5 16.0-0 Nc3-+ (16...Qc3?! 17.Rfc1 Qb3 18.Bf8 Bf8 19.Ne5-+)) 16.Ne4=+ Ne4 17.Ne5? (better 17.0-0=+) 17...Be5 18.de5 Qa5 19.Kf1 Rb3 20.Bd6 Nd6 21.ed6 Qd8 22.g3 Qd6 23.Kg2 Reb8 24.Rhc1 Rb2 25.Qg4 Qe5 26.Rh1? (26.Qf4 Qf4 27.gf4 Kg7-/+) 26...Rc2 (26...Qe3 27.Rhf1-+) 27.Qf4 (27.Rhc1 Rbb2 28.Rc2 Rc2-+) 27...Qb2 (27...Qf4 28.gf4 Rbb2 29.Rhf1-+) 28.Raf1 (28.Ra2!? Qa2 29.Qb8 Kg7 30.Rf1 Qa4 31.Qe5 f6 32.Qe6 Qe4 33.Qe4 de4 34.Ra1-/+) 28...Rb4 29.h4?? (better 29.Qf3-+) 29...Rf4 30.gf4 Qa2 (30...d4 31.e4-+) 31.h5 Qa4 32.hg6 (32.Kg3 gh5 33.Rh5 d4-+) 32...hg6 (32...Qe4 33.Kg3 Qg6 34.Kh3-+) 33.Rh3 (33.Kg3 a5-+) 33...Kg7 34.Rfh1 Qa2 35.e4 (35.Rf1-+) 35...Rf2 36.Kg3 Rg2 37.Kh4 Qf2 38.Rg3 Qg3 0-1. hurvajsmanka (1635) - Knight777 (1725), Rated Bullet tournament, lichess.org, 2013.

7.b5 Nh5 8.Nc3 (8.Bg7 Kg7 9.cd5 Qd5+=) 8...e6 (8...cb5 9.ab5 (9.cd5? b4–+) 9...Nf6 10.Nd5 Nd5 11.Bg7 Kg7 12.cd5 Qd5 13.Ra5+=) 9.Be2 Nf6 (9...dc4 10.Bc4 Bd7 11.d4+=) 10.0-0 Ne4 (10...Qa5 11.d4+=) 11.d4 Nc3 12.Bc3 Nd7 13.Qb3 a6 14.c5 (14.cd5 ed5 15.Rfc1 Re8+–) 14...ab5 (14...Qf6 15.Rfc1+–) 15.ab5+– Ra1 16.Ra1 Re8 17.Qa4 (17.Ra8 e5 18.Ne5 Be5 19.de5 Nc5+–) 17...Qc7? (better 17...Nc5 18.dc5 Bc3=) 18.Ba5+– Qb8 19.bc6 bc6 20.Qc6 The passed pawn on c5 will quickly become a dangerous weapon 20...Nf6 (20...Qb2 21.Re1+–) 21.Bb6 (21.Qb6 Nd7 22.Qb5 f6+–) 21...Bb7 22.Qb5 Qc8 23.Ra7 Bc6 24.Qa5 Bb7 (24...Ne4 25.Ne5 Be5 26.de5+–) 25.Ne5 Ne4 (25...Nh5 26.Bb5 Be5 27.Be8+–) 26.Bb5 White prepares the advance c6 26...Be5 27.Be8 Bb8 28.Rb7 (better 28.c6!? Nf6 29.Bf7 Kg7+–) 28...Qb7 29.Bb5 Qc8 30.c6 (better 30.f3 Nf6 31.Bd8+–) 30...Bd6? (30...Nd6 31.Qa6 Qa6 32.Ba6+–) 31.Qa6 (better 31.c7 Qf8 32.Ba6 Bc7 33.Bc7+–) 31...Qb8+– 32.Ba7 (32.h3 Bh2 33.Kf1 Nc3+–) 32...Qc7 (better 32...Bh2 33.Kf1 Qd8+=) 33.Qb7?? (33.g3 Kg7+–) 33...Nc3 (33...Bh2 34.Kf1 Qa5 35.Qc8 Kg7 36.Qf8 Kf8 37.Bd3 Qd2 38.Bc5 Ke8 39.Be2 Qc1 40.Bd1 Qd1) 34.Bd3 (34.Qc7 Bc7 35.Bd3+–) 34...Kg7 (better 34...Qa5!? 35.Qa6 Qc7+–) 35.g3+– h5 36.Bb6 Qb8? (36...Qb7 37.cb7 Bb8+–) 37.Qb8 Bb8 38.c7 Bc7 39.Bc7 Na2 (39...g5 40.f3+–) 40.Be5 (better 40.Ba5 Nc1 41.Bc2 e5+–) 40...f6 41.Bd6 (41.Bd6 Nc3 42.h3+–) 1–0. BeepBeepImAJeep (2620) – ascunanan (2340), lichess.org, 2016.

7.Nc3 Be6 8.Nd4 (8.Qb3 Nbd7=+) 8...Bg4 9.Be2 Be2 10.Qe2 (10.Ke2? dc4 11.Kf1 Nbd7-+) 10...e5 11.Nf3 (11.Nb3 d4 12.Na2 d3=+) 11...Re8 (11...a5!? 12.ba5 d4-/+) 12.cd5=+ cd5 13.d4 (13.0-0 d4 14.Na2 d3=+) 13...Nc6 (13...ed4 14.Nd4 Nc6 15.Nc6 bc6 16.0-0=+) 14.Ne5=+ Ne5 15.de5 Re5 16.Nb5 (16.0-0 Rh5=+) 16...Re4 (16...Rh5 17.0-0=+) 17.Bd4 Qe7 (17...Nh5 18.Bg7 Kg7 19.Qb2 Nf6 20.0-0=) 18.0-0 (18.f3 Re6 (18...Qb4? 19.Bc3 Qe7 20.fe4+-) 19.0-0 Bh6=) 18...a6 (18...Ng4 19.Rfd1=+) 19.Nc3 Re6 (19...Rh4!?=) 20.Bf6+/- Qf6 21.Nd5 Qa1 22.Ra1 Ba1 23.g4 Rd8 24.Qc4 Be5 (24...Kg7 25.Kg2+/-) 25.b5 (25.f4 Bg7+/-) 25...ab5 (25...Red6 26.e4+/-) 26.ab5 Red6 27.e4 g5 28.Qc1 h6 29.h4 gh4 30.f4 Bd4 31.Kg2 Re6 32.Kf3 (32.Qc7 Ra8 33.e5 Ra2 34.Kf3 Kg7+/-) 32...b6 (32...h3 33.f5 Red6+/-) 33.Qh1 (better 33.Qc4!? Bc5 34.Kg2+/-) 33...Ra8= 34.Qh4 Ra3 35.Kg2 (35.Ke2 Re4 36.Kd1 Ra1 37.Kc2 Ra2 38.Kd3 Ra4=) 35...Re4=+ 36.Qh6?? (better 36.Nf6 Bf6 37.Qf6 Re2 38.Kf1=+) 36...Re2 37.Kf1 Rf2 38.Ke1 Ra1 0-1. Lance5500 (2420) - KAstar (2705), lichess.org, 2019.

7.d4 a5 8.Bc3=.

7.d4 Nbd7 8.Nbd2 Re8 (8...dc4 9.Nc4 Nb6 10.Be2=) 9.Bd3 e5 (9...a5 10.b5+=) 10.Ne5+= Ne5 11.de5 Ng4 12.Nf3 Ne5 ½–½. Sadanowicz,Tadeusz – Eriksson,Mats, corr SSKK 1–438, 1990.

7.d4 Bf5 8.Nc3=.

7.cd5 cd5 8.Be2 Nc6 9.b5 Nb4 10.Bc3 a5 11.ba6 Na6 12.0-0 h6 13.Na3 Bd7 14.Nb5 Nc5 15.Bd4 Ne6 16.Bc3 Ne4 17.Bg7 Kg7 18.d4 f6 19.Nd2 Bb5 20.Bb5 Nc3 21.Qb3 Rc8 22.Nf3 Qa5 23.h3 Ne4 24.Qd5 N4g5 25.Ng5 Ng5 26.h4 Nf7 27.Qb7 Rfe8 28.Be8 Re8 29.Qb5 1–0. rom49szachy – plutard, kurnik, 2012.

7.Be2 a5 8.b5 dc4 9.Bc4 c5 10.0-0 b6 11.Qb3 e6 12.d4 Nbd7 13.Rd1 Qe7 14.Nc3 Bb7 15.d5 Nd5 16.Bd5 ed5 17.Nd5 Bd5 18.Rd5 Nf6 19.Bf6 Bf6 20.Rad1 Rad8 21.Rd8 Rd8 22.Rd5 Kg7 23.Nd2 Qe6 24.e4 Rd5 25.Qd5 Qd5 26.ed5 Bd8 27.Kf1 f5 28.Ke2 Kf6 29.Nc4 Bc7 30.h3 h5 31.Ke3 g5 32.f3 Bf4 33.Kd3 Bc7 34.Ke3 Bf4 35.Kd3 Bc7 36.Ke3 ½–½. Ebert – Nauschuetz, 1997.

7.Be2 Na6 8.b5 Nb4 9.Qb3 c5 10.d4 b6 11.0-0 Be6 12.dc5 bc5 13.Nbd2 Qa5 14.Bc3 Rac8 15.Rab1 Qc7 16.Bb4 cb4 17.Rfc1 dc4 18.Bc4 Bc4 19.Rc4 Qb7 20.Qb4 Nd5 21.Qb3 Nc3 22.Re1 Rfd8 23.Kf1 Qd5 24.Rc8 Qd3 25.Kg1 Rc8 26.g3 Rc4 27.Qc4 1–0. Bennett – Bouma, email CTON 1997.

7.Be2 b6 8.0-0 Bb7 9.d4 ½–½. Franke,Roland – Winkler,Walter, Bahn–chV Bad Laasphe, 1994.

7.Be2 Nbd7 8.0-0 Re8 (8...dc4 9.Na3=) 9.d4 (9.Qb3 e5=) 9...Qc7 (9...dc4 10.Bc4 Nb6 11.Bd3=) 10.Nbd2 (10.a5 Qd6 11.Qb3 Qe6+=) 10...dc4 (10...Rd8 11.a5+=) 11.Nc4 e6 (11...Nb6 12.Nce5+=) 12.Rc1+/– Nb6 (12...Rd8 13.b5+/–) 13.Qb3 (13.Nce5 Nfd5+/–) 13...Nc4 14.Bc4 Bd7 (14...Nd5 15.e4 Nb6 16.Bd3+/–) 15.Rfd1 (15.Ne5 Qd6+/–) 15...Rad8 (15...Red8 16.b5+=) 16.Ne5+/– Qb8 (16...Qd6 17.b5+/–) 17.h3 (17.b5 h6+/–) 17...Nd5 (17...Qd6 18.b5+/–) 18.Nd7 (18.e4 b5 19.ab5 cb5+/–) 18...Rd7+= 19.b5 Ne7?? (19...Red8 20.a5+=) 20.Ba3?? (20.Be6!? Rd5 21.Bd5 Nd5+–) 20...cb5? (20...Qc7 21.a5+/–) 21.Bb5 Nc6+/– 22.Bc6 bc6 23.Qb8 Rb8 24.Rc6 h5 25.Rdc1 e5 26.Bd6+– Re8 27.de5 Kh7 28.Rc7 Red8 29.Rd7 Rd7 30.f4 g5 31.Rc7 Rc7 32.Bc7 Kg6 33.Kf2 Bf8 34.Kf3 Be7 35.g4 h4 36.f5 Kh7 37.Bd6 Bd8 38.e6 fe6 39.fe6 (39...Bf6 40.e7 Be7 41.Be7+–) 1–0. Jalo,Pentti – Aimo,Kari, Naantali op, 1993.

7.Be2 Bf5 8.0-0 Nbd7 (8...dc4 9.Bc4 Bd3 10.Bd3 Qd3 11.Ra3=) 9.b5 (9.Nd4 Bb1 10.Rb1 dc4 11.Bc4 Nb6=) 9...Rc8 (9...dc4 10.Bc4 Rc8 11.bc6 Rc6 12.d3=) 10.d4 (10.bc6 Rc6 11.Nd4 Rb6 (worse 11...Rc4 12.Bc4 dc4 13.Nf5 gf5 14.Na3+–) 12.Nf5 Rb2 13.Ng7 Kg7+=) 10...Ne4 (10...dc4 11.Bc4 cb5 12.Bb5=) 11.Nbd2 Ndf6 12.Rc1 Nd2 13.Qd2 Ne4 14.Qb4 Re8 (14...a5 15.ba6 ba6 16.a5+=) 15.cd5+= cd5 16.Rc8 Qc8 17.Rc1 Qb8 (17...Qd8 18.Ba3+=) 18.h3 (18.b6 a6+=) 18...Bf8 19.Qb3 Nf6 20.Ne5 Be6 (20...Rc8 21.Rc8 Qc8 22.a5+=) 21.Nd3 (21.b6 ab6 22.Qb6 Rc8+–) 21...Ne4 (21...Bf5 22.b6+=) 22.Bf3 (22.Nf4!?+–) 22...Nd2+= 23.Qd1 Nc4 (23...Nf3 24.Qf3 Bf5 25.Nc5+=) 24.Ba1 Bg7 25.Nf4 (25.Nc5 Rc8+–) 25...Rd8 (25...Qd6 26.Ne6 Qe6 27.e4 de4 28.d5+=) 26.Bd5 (26.Qe2+–) 26...Rd5? (better 26...Ne3!? 27.fe3 Bd5 28.Nd5 Rd5+=) 27.Ne6 (27.Rc4 Rd8 28.Ne6 fe6+–) 27...fe6 (27...Ne3!? 28.fe3 fe6+–) 28.Rc4+– e5 (28...Rd8 29.Qg4 Qd6 30.Bc3+–) 29.Qb3 (29.Qg4 Qf8 30.e4 Rd6 31.de5 Rd8+–) 29...e6 30.de5 (30.Rc5 Qd6 31.Rc8 Kf7+–) 30...Rd1?? (better 30...Be5 31.Be5 Qe5 32.Rc8 Kg7+–) 31.Qd1 (31.Qd1 Qe8 32.Qc1+–) 1–0. BeepBeepImAJeep (2695) – Blitzstream_twitch (2625), lichess.org, 2015.

8.Be2 Na6 9.Qb3 c5 10.b5 Nb4 11.d4 b6 12.dc5 bc5 13.0-0 Rb8 14.cd5 Nfd5 15.Bg7 Kg7 16.Rfd1 Qc7 17.Rac1 e6 18.Qc4 Bf3 19.Bf3 Qa5 20.Qb3 Rfc8 21.Nc4 Qc7 22.e4 Nf4 23.Nd6 Rd8 24.Qb4 Rd6 25.Rd6 Qd6 26.Qc5 Qd2 27.Qc3 Qc3 28.Rc3 Rb7 29.g3 Nh3 30.Kf1 Rd7 31.Bg2 Ng5 32.f4 Rd1 33.Ke2 Rg1 34.Kf2 Ne4 35.Be4 1–0. Petersen – Kristensen, Koge 1997.

8.h3 Bf3 9.Qf3 Nbd7 10.c5 e5 11.Qd1 Ne4 12.Be2 Qh4 13.0-0 Ng5 14.f4 Ne4 15.fe5 Ng3 16.Rf4 Ne2 17.Qe2 Qe7 18.d4 f6 19.ef6 Nf6 20.Raf1 Ne4 21.Nc2 Ng3 22.Rf8 Bf8 23.b5 Ne2 0–1. Abdullaevich (1765) – imosescu (1945), lichess.org, 2019.

8.Be2 dc4 9.Bc4 cb5 10.ab5=.

8.Be2 Nbd7 9.0-0 dc4 10.Bc4 e5 (10...Rc8 11.d4=) 11.Be2 (11.d3 Nd5=) 11...e4=+ 12.Nd4 Be2 13.Qe2 Ne5 (13...c5 14.Nb3=+) 14.bc6 (14.Nc6 Qd3 15.Nd4 Nd5=) 14...bc6=+ 15.f4 (15.Ba3!? Re8 16.Nc3=+) 15...Nd3–/+ 16.Bc3 c5 (16...Qd5 17.Nc2–/+) 17.Nc2 (17.Nc6 Qd6 18.Ne5 Rfd8–/+) 17...Qd5 18.Nba3 Rab8 19.Ne1 c4 20.Nac2 Nh5 (better 20...a5–/+) 21.Nd4? (better 21.f5!?=+) 21...Nhf4!–+ 22.Qd1 (22.ef4 A deflection 22...Bd4) 22...Ne6 (22...a6 23.Nec2 Ne6 24.Ne6 Qe6 25.Bg7 Kg7 26.Nd4–+) 23.Ne6 Qe6 24.Bg7 Kg7 25.Nd3 cd3 26.Rb1 (26.Rc1 a6–/+) 26...Rfc8 (26...Qa2 27.Rb5–+) 27.Rb8–/+ Rb8 28.Qa1 f6 (28...Kg8 29.Qd4 Qe7 30.a5–/+) 29.Qd4 Rb7 30.a5 (30.Rf4 Re7–/+) 30...h5 (30...Qe5 31.Qa4–+) 31.Rc1 (31.Rf4 Re7–/+) 31...h4 32.h3 g5 (32...Qe5 33.Qe5 fe5 34.Rc4–+) 33.Qc3 (33.Rf1 a6–/+) 33...g4 34.a6 (34.hg4 Qg4 35.Rf1 Qg5–/+) 34...Rf7 (34...Qa6 35.Qc8 f5 36.hg4+–) 35.Rf1 gh3 36.Rf4 hg2 37.Rh4 Qf5 Threatening mate... how? 38.Kg2 Qf3 39.Kh2 Qf2 40.Kh3 Qf1 41.Kg3 (better 41.Kh2!?=) 41...Qe1–/+ 42.Kh3 Qh1 (42...Kg6!?=+) 43.Kg3= Qf3 44.Kh2 Qf2 (44...Qe2 45.Kg3=) 45.Kh3= Qf3 46.Kh2 ½–½. BeepBeepImAJeep – sony7 (2480), lichess.org, 2018.

8.Be2 Nbd7 9.0-0 dc4 10.bc6 Qb6 11.cb7 Qb7 12.Bc3=.

8.Be2 Nbd7 9.0-0 e6 10.d4 Bf3 (10...dc4 11.bc6 bc6 12.Nbd2=) 11.Bf3+= (worse 11.gf3 dc4 12.Bc4 Nd5=+) 11...dc4 (11...Qc7 12.Nd2+=) 12.bc6 bc6 13.Nd2 (worse 13.Bc6 Qb6 14.Ba8 Qb2=+) 13...Nb6 (13...Rb8 14.Nc4 c5 15.Rc1+–) 14.Qc2 (14.Ba3 Re8 15.Bc6 c3 16.Ba8 Qa8+–) 14...Nfd5 15.Nc4 Nc4 16.Qc4 Rc8 (16...Qd7 17.Rfc1+–) 17.Ba3 Re8 18.Rab1 (18.Bc5 Qd7+–) 18...Qa5 (18...e5 19.Rb7+–) 19.Bc5+– Bf8 20.Rfc1 Bc5 21.Qc5 Qa4 22.Ra1 Qb3 (22...Qb4 23.Qa7 Rc7 24.Qc5+–) 23.Ra7 Qd3 24.h3 h5 (better 24...e5+–) 25.Qd6 (25.Rb7 Qd2+–) 25...Rf8? (better 25...Ne3!? 26.Rc7 Rc7 27.Qc7 A) 27...Qd4? 28.Qc6 (worse 28.Bc6 Nd5 29.Qb7 Qf4–/+) 28...Rd8 29.fe3 Qe3 30.Kh1+–; B) 27...Nf5=) 26.Rd1 (26.Rca1 Rfd8 27.Rd7 Rf8+–) 26...Qb5 27.Rd7 (27.Rda1 Rcd8 28.Qg3 Qb8+–) 27...Nc3 28.Re1 Qa5 29.Kh2?? (better 29.Rf1+–) 29...Nb5–+ 30.Rc1?? (30.Qg3 Qe1 31.Be4–+) 30...Nd6 31.Rd6 Qc7 (better 31...c5!? 32.dc5 Rc5 33.Rc5 Qc5 34.Rd2–+) 32.Rcc6 Qb8 (32...Qa5 33.h4–+) 33.g3 (33.Rb6 Qa7 34.Ra6 Qe7–+) 33...Rc6 34.Rc6 Rc8 (34...h4!? 35.Rc2–+) 35.Rc8 Qc8 36.h4 (36.Kg2 Qc3–+) 36...Qc7 (36...Qc4 37.Kg2–+) 37.Kg2 Kg7 38.Be2 Qe7 (38...e5 39.Bf3–+) 39.Bf3 e5 40.de5 Qe5 41.Be2 Qc3 42.Bf3 f5 43.Be2 Kf6 44.Bf3 Ke5 45.Be2 Qe1 46.Bf3 Kd6 47.Bb7 Kc5 48.Bc8 (48.Ba8 Qd2–+) 48...Qc3 (better 48...Qb4 49.Ba6–+) 49.Be6 (49.Bb7–+) 49...Qf6 50.Bb3 Kb4 51.Bd1 Kc3 52.Bf3 Kd2 53.Kf1 (53.Bd5 Ke1 54.Kf3 Qa6–+) 53...Qa1 54.Kg2 Ke1 55.Bd5 Qb2 56.Kh3 (56.Kh1 Kf2 57.Kh2 Qe5 58.Kh1 Qg3 59.e4 Qh4) 56...Qf2 (56...Kf2 57.Kh2 Qe5 58.Kh1 Qg3 59.e4 Qh4) 57.Bf7 (57.Bc4 Qg1 58.Bd5 Kf2 59.e4 Qg3) 57...Qf3 (57...Qg1 58.Bd5 Kf2 59.e4 Qg3) 58.Kh2 (58.Bd5 Qd5 59.e4 Qe4 60.Kh2 Kf2 61.Kh3 Qg2) 58...Qg4 (58...Kf2 59.Bd5 Qg3 60.Kh1 Qh4) 59.Bd5 (59.Kg2 Qe2 60.Kh3 Kf2 61.Bc4 Qg4 62.Kh2 Qg3 63.Kh1 Qh4) 59...Kf2 60.Bg2 (60.e4 Qg3 61.Kh1 Qh4) 60...Qg3 61.Kh1 Qg2 0–1. BeepBeepImAJeep (2580) – Gan_Od_S (2465), lichess.org, 2017.

8.Be2 Nbd7 9.0-0 Bf3 10.Bf3 e5 11.d4 e4 12.Be2 cb5 13.cb5 Rc8 14.Nc3 Nb6 15.Qb3 Nc4 16.Rfc1 Nb2 17.Qb2 Re8 18.a5 Bf8 19.a6 b6 20.Qb3 Qd7 21.Na2 Rc1 22.Rc1 Rc8 23.Rc3 Bd6 24.g3 h5 25.Kg2 (25.Nb4 Rc3 26.Qc3 h4+=) 25...h4 26.Rc8 Qc8 27.Nc3 Qf5 28.Nd1 Nh7 (28...Qe6 29.Qc2=) 29.gh4+= g5 (29...Nf6 30.Qc2 Kf8 31.Qc6+=) 30.hg5 Ng5 31.Kf1 Nf3 32.Bf3 ef3 (32...Qf3 33.Ke1+/-) 33.Ke1 Bh2 34.Kd2 Bd6? (better 34...Qe4!?+/-) 35.Nc3+- Qh3 (35...Bg3 36.Nd5 (36.fg3?? f2 37.Qd5 Qd5 38.Nd5 f1Q-+; worse 36.Qd5 Qd5 37.Nd5 Bf2+-) 36...Kf8 37.fg3+-) 36.Qd5 (36.Nd5 Qf1 37.Qd1 Qf2 38.Kd3 Qb2=) 36...Bb4 37.Qd8 (37.Kc2 Qh7 38.Kb3 Bc3 39.Kc3 Qb1 40.Qa8 Kg7 41.Qf3 Qc1 42.Kd3 Qb1 43.Kd2 Qb4 44.Kc2 Qa4 45.Kc1 Qb5 46.Qg3 Kf6 47.Qd6 Kg7+=) 37...Kg7 38.Qg5 Kf8 39.Qf6 Qg2 40.Qh8 Ke7 41.Qh4 Ke8 42.d5 (42.Kc2 Qg6 43.Qe4 Be7+-) 42...Bc3? (better 42...Be7!? 43.Qh8 Kd7+-) 43.Kc3+- Qf1 (43...Kd7 44.Qf6 Qf2 45.Qf7 Kd8 46.Qf6 (46.Qa7 Qe3 47.Kc4 f2 48.Qb8 Ke7 49.Qc7 Kf6 50.Qd8 Kg7 51.Qd7 Kh6 52.Qd6 Kg5 53.Qd8 Kg4 54.Qd7 Kg3 55.Qg7 Kf3 56.Qf6 Qf4 57.Qf4 Kf4-+) 46...Ke8 47.Qe6 Kf8 48.Qd6 Kf7 49.Qd7 Kf8 50.Qc8 (50.Qa7?! Qe3 51.Kc2 Qe2 52.Kb3 Qb5 53.Kc3 Qc5 54.Kd3 Qb5 55.Ke3 Qe2 56.Kd4 Qd2 57.Ke4 Qe2 58.Kd4 Qd2 59.Ke5 Qe3 60.Kf6 Qd4 61.Ke6 Qe3 62.Kf6 Qd4 63.Ke6 Qe3 64.Kf6=) 50...Kf7 51.Qf5 Ke8 52.Qe5 Kf7 53.Qf4 Ke7 54.Kd4 Qb2 55.Ke4=) 44.Qe4 (44.Qh8 Kd7 45.Qa8 Qb5 46.Qa7 Kd6 47.Qb7+/-) 44...Kf8+/- 45.Qf3 (45.Qb4!? Kg8 46.Qb2+-) 45...Qb5+= 46.e4 (46.Qf4 Qa6 47.Qd6 Ke8+=) 46...Qa6 47.Kd4 (47.Qf4 Qa3 48.Kd2 Qb2 49.Kd3 a6+=) 47...Qa1= 48.Qc3 Qc3 49.Kc3 Ke7 50.e5 a6 (50...a5 51.Kc4 a4 52.f4 b5 53.Kb4=) 51.Kc4 Kd7 52.f4 Ke7?? (52...Kc7 53.f5 f6 54.ef6 Kd6+-) 53.f5 Kd7 54.f6 Ke8 (54...a5 55.Kb5+-) 55.e6 (55.d6 a5 56.Kd5 Kd7 57.e6 fe6 58.Ke5 a4+-) 55...fe6 56.d6 e5 (56...Kf7 57.d7 Kf6 58.d8Q Kf7 59.Qb6 Kg6 60.Qe6 Kg5 61.Kd4 Kf4 62.Qf6 Kg3 63.Ke3 Kg4 64.Qg6 Kh4 65.Kf4 a5 66.Qg4) 57.Kd5 a5 (57...b5 58.Ke6 Kf8 59.d7 Kg8 60.d8Q Kh7 61.Qd7 Kg6 62.Qg7 Kh5 63.Kf5 e4 64.Qg5) 58.Ke5 (58.Ke6 Kf8 59.d7 Kg8 60.d8Q Kh7 61.Qe7 Kg6 62.Qg7 Kh5 63.Kf5 b5 64.Qg5) 58...a4 (58...Kf7 59.d7 Kg6 60.d8Q Kf7 61.Qe7 Kg6 62.Qg7 Kh5 63.Kf4 b5 64.Qg5) 59.Ke6 a3 (59...Kd8 60.f7 Kc8 61.f8Q Kb7 62.d7 Ka7 63.d8Q Ka6 64.Qa8 Kb5 65.Qd5 Ka6 66.Qfa8) 60.f7 (60.d7 Kd8 61.Kd6 a2 62.f7 a1Q 63.f8Q) 60...Kf8 61.d7 a2 62.d8Q (62.d8Q Kg7 63.Qf6 Kh7 64.Qf5 Kg7 65.f8Q) 1-0. Timmermans,Mark (2385) - Landaw,J (2315), Titled Tuesday 4th May, 2021.

8.h3 Bf5 9.Be2 Nbd7 10.0-0 Qc7 11.d4 Ne4 12.Nbd2 e5 13.Ne5 Ne5 14.de5 Be5 15.Be5 Qe5 16.Nf3 Qf6 17.cd5 Rad8 18.bc6 bc6 19.Qd4 Qe7 20.Bc4 cd5 21.Bd5 Rd6 22.Qb4 Rfd8 23.Be4 Be4 24.Ng5 Qg5 25.Qe4 Rd2 26.Qf3 Rb2 27.Rfd1 Rc8 28.Rd7 f6 29.Ra7 Qe5 30.Rd1 Rbc2 31.g3 Rc1 32.Rc1 Rc1 33.Kg2 Rc8 34.Qb7 1–0. Abdullaevich (1665) – heratok (1945), lichess.org, 2018.

8.Be2 Nbd7 9.d4 Re8 10.0-0 (10.Nbd2!? Bf3 11.Nf3 Ne4 +=) 10...Bf3! 11.gf3? e5 12.Nd2 ed4 13.Bd4 Nf8 14.Nb3 Ne6 15.b5 Nh5 –/+ 16.Rc1? Nhf4 –/+ 17.ef4 Nf4 18.Kh1 Ne2 19.Rc2 Nd4 20.Nd4 Qh4 21.Rd2 Be5 22.f4 Bf4 23.Nf3 Qh3 24.Rd3 Re4 25.Rg1 Rae8 26.Rg2 Qf5 27.Rg1 Re2 28.Rg2 R8e4 29.Qb3 Qh5 30.a5 Re1 31.Rg1 Qh3 32.Qc3 Rg1 33.Kg1 Rc4 34.Qb3 Rc1 0–1. Quinteros – Smejkal, Amster¬dam 1973.

8.h3 Bf3 9.Qf3 Nbd7 10.d4 Ne4 11.Bd3 f5 12.0-0 (12.a5 e5=) 12...Bh6 (better is 12...a5!?–/+) 13.Rd1 Ndf6 14.Nc3 Nh5 15.g3 (15.Ne4? fe4 16.Qg4 ed3 17.Rd3 Rf5–+) 15...e6 16.Ne2 (16.Ne4? fe4 17.Qg4 Qf6–+) 16...Ng5 17.Qg2 Qe8 (better is 17...Bg7!?+=) 18.f4+– Ne4 19.Be4 (19.g4 fg4 20.hg4 (20.Be4 gh3 21.Qh3 de4+=) 20...Bf4 21.ef4 (21.gh5?? Be3 22.Kh1 Nf2 23.Kh2 Nd1 24.Rd1 Rf2–+) 21...Nf4 22.Nf4 Rf4 23.Rf1+–) 19...fe4= 20.g4 Ng7 21.Bc1 g5 22.h4 gh4 (22...gf4!? 23.ef4 Kh8+=) 23.g5+/– Qg6 24.gh6 Qh6 25.Kh2 Rf6 26.Rg1 Rg6 27.Qf2 Nf5 28.Rg6 hg6 29.Ng1 Ng3 30.Nh3 Kf7 31.b5 Kf6 32.bc6 bc6 33.Rb1 Re8 34.Rb7 Re7 35.Rb1 Qh5 (35...Re8 36.Bd2 Qh5+–) 36.Bd2+– Qh8 37.Qg2 Qc8 (37...Qh5 38.Ng5+–) 38.Nf2 (38.Be1 Rb7 39.Rb7 Qb7 40.Bg3 hg3 41.Qg3 Qb2 42.Qf2 Qf2 43.Nf2 Kf5+–) 38...Qa6 39.Ng4 Kg7 40.Ne5 Rb7? (better is 40...Qa4 41.Kh3 Kf6+–) 41.Rb7 Qb7 42.Be1 Qb3 (42...Qb8+–) 43.Bg3 Qe3 44.Bh4 Qf4 45.Qg3 (45.Qg3 Qg3 46.Kg3+–) 1–0. Biberger,Hans (2030) – Schlag,Franz (2035), Wch Seniors, 1998.

8.Na3 Na6=+ 9.b5 (9.Bc3 c5 10.bc5 Nc5 11.Nc4 Nd3 12.Bd3 Qd3=) 9...Nb4 10.Nc4 Nd3 (10...cb5 11.ab5 Bf5 12.Nd4 Nd3 13.Bd3 Bd3 14.Ne5=) 11.Bd3= Qd3 12.Qe2 (12.Nce5 Qd6=) 12...Qe2 (12...Qd5 13.bc6 Qc6 14.0-0=) 13.Ke2 cb5 14.ab5 Bd7 15.Na3 (15.b6 Be6 16.d3 Bc4 17.dc4 ab6 18.Ra8 Ra8=) ½–½. Kamminga,G – Wislez,Francis, BEL–chT, 1997.

8.Bc4 Nbd7 9.a5=.

8.0-0 Nbd7 9.a5 dc4 (9...Bf3 10.Bf3 dc4 11.Na3=) 10.Na3 (10.Bc4 Qc7=) 10...Nd5 (10...c5 11.Nc4 cb4 12.Qa4=) 11.Bg7= Kg7 12.Nc4 Nb4 13.Qb3 c5 14.d4 Qc7 15.Rab1 (15.dc5 Nd5= (worse is 15...Qc5 16.Rfc1 Nf6 17.Nce5+/–)) 15...Rab8 16.Rfc1 (16.Rfd1 Bf5 17.Rbc1 b5 18.ab6 ab6= (worse is 18...Nb6 19.Nb6 Rb6 20.dc5+/–)) 16...b6 17.Nb6 (better is 17.ab6!? ab6 18.Rb2=) 17...ab6–/+ 18.ab6 Qb6 (worse is 18...Rb6 19.dc5 Nc5 20.Qc3 f6 21.Rb4 (worse is 21.Qc5 Rc6 22.Qc6 Nc6–/+) 21...Bf3 22.gf3 (22.Qc5? Qc5 23.Rc5 Rb4 24.gf3 Rd8–+) 22...Rb4 23.Qb4+/–) 19.dc5 Qa5 (19...Qe6 20.Qc3 Qf6 21.Kf1–+) 20.Qc3 Nf6 21.h3 (21.c6 Rfc8 22.c7 Rb7–+) 21...Bf5 (21...Bf3 22.Bf3 Rfc8 23.c6–/+) 22.Ra1 Qc7 23.g4 Nbd5 24.Qd4 Rb4 25.Rc4 Rc4 26.Bc4 Be4 (26...Nb4 27.Qc3 (27.gf5? Nc2 28.Qc3 Na1 29.Qa1 Qc5–+) 27...Qc5 28.gf5 Qf5 29.Kg2+=) 27.g5= Bf3 (27...Rd8 28.Bd5 (worse is 28.gf6 Nf6 29.Qe5 Rc8 30.Qc7 Rc7–/+) 28...Bd5 29.gf6 ef6 30.Ra6 Bf3 31.Qf6 Kg8 32.Qf3 Qc5 33.Ra8 Ra8 34.Qa8 Kg7 35.Qd8=) 28.Bd5 Rd8 29.gf6 (worse is 29.Bf3 Rd4 30.gf6 Kf6 31.ed4 Qf4 32.Ra6 e6–+) 29...ef6 30.e4 (worse is 30.Bf3 Rd4 31.ed4 Qf4–/+) 30...Qd7 (30...Qf4!? 31.Qe3 Qe3 32.fe3 f5=) 31.Ra6+= White intends c6 31...Qe7 (31...Qh3!? 32.Qf6 Kh6 33.Qf4 Kh5+=) 32.Qe3+/– Bh5 33.c6 g5 ½–½. Nava,Roderick (2375) – Gomez,John Paul (2520), 10. Malaysian Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.a4 d5)

8.d4=.

7.a4 Be6 8.Qb3=.

7.a4 Bf5 8.d4 Re8 9.Qb3 e6 10.Be2 Nbd7 11.0-0 Ne4 12.b5 g5 13.Ne4+= de4 14.Ne5 Ne5 15.de5 Qc7 16.Qc3 a6 17.Rfd1 Rec8 18.b6 Qb6 19.c5 Qc7= 20.a5 Rd8 21.Rd6 Bf8 22.Rad1 Be7 23.Qb4 Bg6 24.Bc3 Kf8 25.Qd4 Ke8= 26.Bc4 Bf8 27.Bb3 Be7 28.g4 Rac8 29.Bc2=+ f6 30.ef6= Bd6 31.cd6 Qf7 32.Qe5 Kd7 33.Bd4 h5 34.Rb1+/– Rb8 35.Ba7 hg4 36.Ba4 Qf8? 37.Qc5+– Ke8 38.Bb8 Rb8 39.d7! Kf7 40.Rb7!! Qc5 41.Rb8 g3 42.d8Q gf2 43.Kf2 Qf5 44.Ke1 (44...Bh7 45.Rb7 Kg6 46.Qe8 Kh6 47.f7 g4 48.f8Q Kg5 49.Qd8 Kh5 50.Qfe8 Qf7 51.Qf7 Bg6 52.Qh8 Kg5 53.Qff6#) 1–0. Filipek,Jakub (2275) – Socko,Bartosz (2445), Wch U18 Menorca, 1996.

7.a4 Bg4 8.d4 (8.h3 Bf3 9.Qf3 e5=) 8...Nbd7 9.h3 Bf3 10.Qf3 e5 11.c5 (11.cd5 ed4 12.ed4 Qe7 13.Be2 Nd5 (worse is 13...Qb4 14.Ba3 Qd4 15.Rd1+/–) 14.Nd5 cd5=) 11...ed4 12.ed4 Ne4 13.Ne4 Re8 14.0-0-0 de4 15.Qb3 Nf6 16.Bc4 Nd5 17.h4 Qd7 (17...h5 18.g4 hg4 19.Rdg1+=) 18.h5 Rad8 (18...g5 19.Rhe1+=) 19.hg6= hg6 20.Qg3 Qf5 21.b5 Bf6 22.Rhf1 (22.Rhe1 Bg5 23.Kb1 e3 24.Bd3 Qf6–/+) 22...Nb4 (22...Bg5 23.Kb1+=) 23.Bc3 (23.Qh3!?=) 23...e3! 24.Bb4 (24.Qe3 Qc2) 24...e2 25.Be2 (25.Bc3!? ef1R 26.Bf1–/+) 25...Re2–+ 26.Qd3 (26.Rd2 Rd4 27.Re2 Rc4 28.Bc3 Bc3 29.Re8 Kg7 30.Kd1 Qd7 31.Qd6 Qe8 32.bc6 bc6 33.Qd3–+) 26...Bg5 27.f4 Bf4 28.Kb1 (28.Rf4 Qf4 29.Bd2–+) 28…Rd4 (28...Rd4 29.Qf5 Rb4 (29...gf5?? 30.Rd4 Be5 31.Rd8 Kg7 32.Rf5+–) 30.Ka1 Ra4 31.Kb1 gf5 32.Rf4 Rf4 33.bc6 bc6–+) 0–1. Teichmann,Erik – Bowden,Karl, BCF–ch Edinburgh, 1985.

7.Qb3 Bg4 8.Be2 dc4 9.Qc4 Nbd7 10.Qb3 Nb6 11.0-0 Nfd5 12.Ne4 Bb2 13.Qb2 Nc8 14.b5 Nd6 15.Nd6 Qd6 16.bc6 bc6 (16...Qc6?? 17.Ne5 Qb6 18.Qb6 Nb6 19.Bg4+–) 17.Rfc1 c5 18.h3 Bf3 19.Bf3 Rac8 20.Qb7 Nb4 21.d4 a5 22.a3 Na6 23.Qb5 (better is 23.Qa7!? Rc7 24.Bb7 cd4 25.Qa6 Rc1 26.Rc1 Qa3 27.Re1+/–) 23...cd4+= 24.Rc8 Rc8 25.ed4 Rb8 26.Qa5 Qd4 27.Rc1 Qb6 28.Qe5 Re8 29.a4 Qd6 30.Qe3 Nb4 31.a5 Rb8 32.Qa7 h5 33.Bb7 Kh7 34.a6 Rd8 35.h4?? (35.Qe3 Na6 36.Ba6 Qa6 37.Qe7 Rg8 38.Qf7 Rg7+/–) 35...Qf4?? (better is 35...Rd7=) 36.Qe3+– Qe3 37.fe3 Na6 38.Ba6 Rd6 39.Be2 Kg7 40.Kf2 Kf6 41.Bf3 Rd7 42.Rc6 Ke5 43.Rb6 Rd2 44.Be2 e6 45.Kf3 Rd7 46.Rb5 Kf6 47.e4 Kg7 48.Kf4 f6 49.Bc4 Rd6 50.Rb7 Kf8 51.Ke3 1–0. Graf,Alexander (2625) – Lokander,M (2110), Bad Wiessee GER, 2011. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.Rc1 Na6 8.Qb3 (8.cd5 Nb4 9.dc6 Nc6=) 8...dc4 (8...Nc7 9.d4=) 9.Bc4 b5 10.Be2 Be6 11.Qa3 Nc7 (11...Bc8 12.Nd1 Qd6 13.Nd4 Nb4 14.Nc6 Nc6 15.Qd6 ed6 16.Rc6+=) 12.0-0 (12.d4 a5 13.ba5 Qd6=) 12...Qd6 (12...Ncd5 13.Ne5 a5 14.Nc6 ab4 15.Nd5 ba3 16.Bf6 Bd5 17.Nd8 Bf6 18.Nc6 Ba2 19.d4–/+) 13.Qa5 Ncd5 14.a3 Rfc8 (14...Qd8 15.Qd8 Rfd8 16.Nd5 Bd5 17.d3+=) 15.d3 (15.Nd5 Bd5 16.Be5 Qd8+=) 15...Bd7 16.h3 (16.Nd5 cd5 17.Rc8 Rc8 18.Qa7 Qc7 19.Qc7 Rc7+/–) 16...a6 (16...c5 17.Nd5 Qd5 18.bc5 Rc5 19.Nd4 Rc1 20.Rc1+= (worse is 20.Bc1 Qb7+=)) 17.Nd2 Be6 (17...Nc3 18.Bc3 (worse is 18.Rc3 Nd5 19.Rc2 Bb2 20.Rb2 Nc3=) 18...e5 19.d4+=) 18.Nde4 (18.Nce4 Ne4 19.Ne4 Qc7 20.Qc7 Rc7+=) 18...Ne4 (18...Qd8 19.Qd8 Rd8 20.Nd5 Bd5 21.Nc5+=) 19.Ne4 (19.de4? Nc3 20.Bc3 Bc3 21.Rc3 Qd2–+) 19...Qc7 20.Bg7 (20.Qc7 Nc7 21.Bg7 Kg7 22.Rc6 Bd5+/–) 20...Kg7 (20...Qa5 21.ba5 Kg7 22.Nc5+=) 21.Nc5 Qa5 22.ba5 Nc7 23.Rc2 Ra7 24.Rfc1 Bd5 25.d4 f6 26.Bf3 Bf3+= 27.gf3 Nd5 28.Nd3 e6 29.Rc6 Rac7 30.R6c5 Rc5 31.Rc5 Rc5 32.Nc5 Nc7 33.Kf1 g5+= 34.e4 Kf7+/– 35.Nd3 Ke7 36.Kg2 f5 37.Kg3 Kf7 38.ef5 ef5 39.f4 1–0. 0404it – marekt, internet, 2010.

7.Rc1 dc4 8.Bc4 b5 9.Bb3=.

7.d4 Bg4 8.h3 Bf3 9.Qf3 dc4 10.Bc4 Nbd7 11.0-0 e5 12.Ne2 e4 13.Qg3 Nb6 14.Bb3 Nfd5 15.a3 Bf6 16.Qg4 Qe7 17.Ng3 Rfe8 18.Rae1 Qe6 19.Qe6 Re6 20.a4 a5 21.b5 cb5 22.ab5 Bh4 23.Ne2 Ree8 24.Ba3 Be7 25.Bc5 a4 26.Ba2 Bg5 27.Rc1 Rac8 28.Ra1 Ra8 29.Rfc1 Kg7 30.Nc3 Nc3 31.Rc3 Bd8 32.Rac1 Nd7 33.Bb4 Bb6 34.Bd5 Ra7 35.Rc8 Rc8 36.Rc8 f5 37.Ba3 Kf6 38.Rh8 Kg7 39.Re8 Kf6 40.h4 f4 41.Re7 1–0. E Teichmann – Abayasekera, 1985.

7.Be2 dc4 8.Bc4 b5 9.Be2+=.

7.Be2 Qd6 8.Qb3 (8.c5 Qc7+=) 8...dc4= 9.Qc4 Bg4 10.h3 Bf3 11.Bf3 Nbd7 12.d4 Nb6 13.Qb3 Nfd5 14.b5 Nc3 15.Bc3 Nd5 16.Bb2 Rfd8 17.Ba3 Qe6 18.bc6 bc6 19.0-0 Rab8 20.Qc4 Rb6 (20...Qd7 21.Rfd1+=) 21.Rac1 (21.Bc5 Rb7+/–) 21...Rdb8 (21...Qd7 22.Bc5 Rb7 23.Rfd1+=) 22.Qa4+/– R8b7 23.Bc5 Rb2 24.Ba7 Ne3 25.fe3 Ra2 26.Qc6 Qc6 27.Rc6 Rba7 28.Bd5 Bf6 29.Ba2 Ra2 30.Rcf6 (30.Kh2!? Bg5 31.Rc3 Re2+–) 30...ef6+/– 31.Rf6 Kf8 32.Rf2 Ra1 33.Rf1 Ra2 34.Re1 Ke7 35.Kf1 Ke6 36.Re2 Ra1 37.Kf2 Kd5 38.Rb2 Ke4 39.Rb7 Ra2 40.Kg3 Ke3 41.Rf7 Kd4 42.Rh7 Ke5 43.Rf7 Ra4 44.h4 Rb4 45.Kh3 Ra4 46.g3 Rb4 47.Rf1 Ra4 48.g4 Ra3 49.Kg2 Ra2 (49...Ra8 50.Kg3 Rg8 51.Ra1+–) 50.Kg3+– Ra4 (50...Ra3 51.Rf3 Rf3 52.Kf3 Kf6+–) 51.h5 gh5 52.gh5 Ra8 (52...Ke6 53.Rf2+–) 53.Kh4 Rh8 54.Kg5 Rg8 55.Kh6 Ke6 56.Kh7 Rg2 57.Rf8 Ke7 58.Rg8 Rh2 59.h6 Kf7 60.Rg7 Kf8 61.Rg4 Rf2 62.Kh8 Rf6 ½–½. Anastasian,Ashot (2545) – Chuprov,A (2410), St Petersburg op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

7.b5 cb5 8.cb5 a4 9.Na3 d5 10.Be2 Bg4 11.0-0 Qd6 12.Qd2 Nbd7 13.h3 Bf3 14.Bf3 Rfc8 15.Rac1 Nb6 16.Rc8 Rc8 17.Rc1 Rc1 18.Qc1 e5 19.Qc3 Nfd7 20.Bd1 Bf8 21.d4 f6 22.Be2 Qb4 23.Qc1 Bd6 24.Nc2 Qa5 25.Na3 Qb4 26.Nb1 Nc4 27.Bc4 Qc4 28.Qc4 dc4 29.Kf1 Kf7 30.de5 fe5 31.Nc3 Nb6 32.Ne4 Ke7 33.Ke2 Nd5 34.Kd2 h6 35.g3 Bb4 36.Kc2 Nc7 37.b6 Nd5 38.Be5 Nb6 39.Nc3 a3 40.Bd4 Nc8 41.Nd5 1–0. Benko – Byrne, Palma de Mallorca 1968.

7.b5 d5!

9.Ba1 Na6 10.Qa4?! (10.Qb3=) 10...b5! 11.cb5 cb5 12.Qb5?! Qc7! 13.Nfd2 Bb7 14.Nc3 Rb8! 15.Qa4? Nb4! 16.Qb4 Nd5! 17.Nd5 Bd5 18.Qb8 Qb8 19.Bg7 Kg7 20.f3 Qb4! 21.Be2 Bc6 22.h4 h5 23.g3 Qc3 24.Rf1 Ba4 25.Bd1 Bb5 26.Be2 Qc1 27.Bd1 Bd3 28.Rg1 d5 0–1. Spiridonov – Taimanov, Decin 1975 (Taimanov).

9.Ba1 Qb6 10.Bc3 Na6 11.Qa4 d5 12.Nbd2 dc4 13.dc4 c5 14.b5 Nc7 15.Be2 Bf5 16.Qa1 Ra8 17.Qb2 Nfe8 18.Bg7 Ng7 19.0-0 Qf6 20.Ne5 Rd8 21.f4 Qb6 22.Qc3 f6 23.Nef3 Be6 24.Ne4 Bf7 25.Qa3 Nf5 26.Kf2 Ne6 27.Ra1 Qc7 28.Qa5 b6 29.Qa7 Ne3 30.Qc7 Ng4 31.Kg3 Nc7 32.Ra7 Ne8 33.Re7 Nh6 34.Rb7 Nd6 35.Nd6 Rd6 36.Kf2 Nf5 37.g4 Nd4 38.Nd4 cd4 39.Bd3 Re6 40.Rd7 Kf8 41.Rd4 Ke7 42.Be4 Rd6 43.Bd5 Bd5 44.cd5 Rd7 45.Ke3 Kd6 46.Rc4 Kd5 47.Rd4 Ke6 48.f5 gf5 49.gf5 Ke7 50.Rd7 Kd7 51.Ke4 Kd6 52.Kd4 h5 53.h4 Ke7 54.Ke4 Kd6 55.Kd4 Kc7 ½–½. Csom – Lautier, Cannes 1989.

9.Ba1 d5 10.Nbd2 Bg4 11.Be2 Nbd7 12.0-0 e6 13.Qc2 Ne8 (13...Qe7 14.Qa2=) 14.Bg7 Kg7 15.Ra1 Nc7 16.d4 Bf3 17.Nf3 dc4 18.Bc4 Nd5 19.b5 Qb6 20.bc6 Qc6 21.Qb3 Rc8 22.Bf1 Rc7 23.Rb1 Nc3 24.Rb2 Ne4 25.Ne1 Qc3 26.Qc3 Nc3 27.Nd3 Ne4 28.Be2 Nd6 29.g4 Kf6 30.Kg2 h6 31.Bf3 Ke7 32.Rb3 f6 33.h3 g5 34.Nb2 e5 35.Bd5 Kd8 36.Na4 Rc2 37.Bb7 ed4 38.ed4 Rc4 39.Nc5 Nc5 40.dc5 Rc5 41.Bf3 Ke7 42.Ra3 Rc7 43.Ra8 Kf7 44.Rd8 White threatens to win material: Rd8xd6 44...Nc4 45.Be4 Kg7 ½–½. Csom,Istvan (2445) – Banas,Jan (2375), HUN–chT, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3 a5 7.a3 ab4)

7.Nc3 Nbd7 8.Be2 e5 9.cd5 Nd5 10.Nd5 cd5 11.Qb3 e4 12.Bg7 Kg7 13.de4 de4 14.Nd4 Qg5 15.0-0 Nf6 16.Kh1 Bd7 17.Rac1 Rac8 18.Qa3 a6 19.Nb3 Ng4 20.Nc5 Bc6 21.h3 Qh4?? (better is 21...Ne5=) 22.Bg4+– Rce8 (22...f5 23.Be2 Bd5 24.Rfd1+–) 23.Bd7 Bd7 24.Nd7 Rh8 25.Qb2 Kh6 26.Nf6 Rd8 (26...Reg8 27.Rfd1+–) 27.Ng4 Kh5 28.Rc5 f5 29.Qg7 Kg5 (29...Qg4 30.hg4 Kg5 31.Rf5 Kg4 32.Rf4 Kh5 33.Qf6 g5 34.Qf7 Kh6 35.Rf6) 30.Rf5! Kf5 (30...Kf5 31.Qe5 Mate attack) 31.Qe5 1–0. Bochis,Julia (1825) – Garny,Annica, GER–ch U14 Girls, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3 d5)

7.Nbd2 Nbd7 8.Be2 Qb6 9.Qb3 a5 10.ba5 Qa5 11.Bc3 Qa4 12.Qb2 Qa3 (better is 12...dc4!? 13.dc4 Rd8=) 13.Qa3+/– Ra3 14.Bb4 Ra4 15.Be7 Re8 16.Bf6 Nf6 17.d4 Be6 18.Bd1 Ra3 19.Bb3 dc4 20.Nc4 Bc4 21.Bc4 b5 22.Bb3 c5 (22...Rea8!? 23.Rc1 Nd5+/–) 23.dc5+– Ne4 24.Rc1 Bc3 25.Ke2 Rc8 (25...Bb4 26.c6 Nc3 27.Kd3 Na2 28.Rb1+/–) 26.Ng5! Ng5 27.Rc3 Kf8 28.f3 Ke7 29.h4 b4 30.Rd3 (30.hg5?! bc3 31.Rh7 Rc5=) 30...Ne6 31.Be6 Ke6 32.Ra3 ba3 33.Rc1 Kd7 34.Rc3 Ra8 35.Kd3 Kc6 36.g4 Rd8 37.Kc2 Ra8 38.Kb3 f5 39.gf5 gf5 40.Kb4 Rb8 41.Kc4 Rb5 42.h5 Ra5 43.Kd4 Rb5 (43...Ra4 44.Rc4 Ra7 45.Ke5+–) 44.Ke5 Rb2 45.Ra3 Rh2 46.Ra6 Kc5 47.Rh6 (47.Kf5?! Rh5 48.Ke4 Rh1+–) 47...Ra2 48.Rh7 Ra3 49.Kf4 1–0. Schlinkmeier,Karsten – Pleyer,Felix, Regionalliga SW, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 c6 4.Bb2 Bg7 5.e3 0-0 6.d3 d5)

7.Be2 Bg4 8.0-0 e6 9.Nbd2 Nbd7 10.h3 Bf3 11.Nf3 Qc7 12.Qb3 Rab8 13.Rac1 Qd8 14.cd5 cd5 15.Rc2 a6 16.Rfc1 b5 17.Rc6 Rb6 18.Ne5 Rc6 19.Nc6 Qb6 20.Bd4 Qb7 21.Na5 Qa8 22.Qc3 Ne8 23.Bg7+/– Ng7 24.Qc7 Nf6 25.Qe5 Nd7 26.Qd6 Nf6 27.Rc6 Rd8 28.Ra6+– Qc8 29.Qc6 Nf5 30.Qc8 Rc8 31.Rc6 Ra8 32.Bf3 Kg7 33.e4 de4 34.de4 Nd4 35.Rb6 Nf3 36.gf3+– Nh5 37.Rb5 Nf4 38.Kh2 Nd3 39.a4 Nf2 40.Kg3 Nd3+/– 41.Nc6 Ra4 42.Rb7 h5 43.Nd8 Rb4 44.Rf7+/– Kg8 45.Rd7 Ne5 46.Rd6 Rb3 47.Re6 Nf3 48.Kf4 (48.Kf4 g5 49.Kf5 Nd4 50.Kg5 Ne6 51.Ne6 Rb5 52.Kg6=) 1–0. oldi62 (1620) – ejdrzej (1640), kurnik, 2011.

8.a3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.Qa4 Bf5 12.c5 Nc7 13.Be2 Bg4 (13...Qd7 14.Ne5 Qe6 15.Qa5+=) 14.0-0+= Nd7 (14...Ne6 15.h3 b5 16.cb6 Bf3 17.Bf3 Qb6 18.Rc1+/–) 15.Bg7+/– Kg7 16.h3 Bf3 17.Nf3 (worse is 17.gf3 e5+=) 17...e6 18.d4 Qa8 ½–½. Vrhovnik,D (2120) – Galyas,M (2445), FSIM April, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3 d5)

8.a3 dc4 9.Nc4 ab4 10.ab4 Na6 11.Qd2 Be6 12.Rc1 Bc4 13.Rc4 Nd5 14.Bg7 Kg7 15.Be2 Qd6 16.e4 Ndb4 17.e5 Qd5 18.0-0 c5 19.Rh4 Rh8 20.Qh6 Kg8 21.d4 Nc6 22.dc5 Ne5 23.Rd1 Qe6 (better is 23...Qc5!? 24.Ne5 Qe5=) 24.Ne5 Qe5 25.Rhd4 Qb8 26.c6 Nc5 (26...bc6? 27.Ba6 Qf8 28.Qe3+–) 27.cb7 Nb7 28.Rb4?? (better is 28.Bf3 Nd6 29.Ba8 Qa8 30.Qg5+–) 28...Qc7?? (better is 28...Qa7+=) 29.Bf3+– Rd8 30.Rc1 Nc5 31.Rbc4 Rc8 32.Qe3 Qd6 33.Rc5 Rc5 34.Rc5 Kg7 35.Rc6 Qb8 36.g3 Rd8 37.Qe7 Rf8 38.Qf6 Kg8 39.Rb6 Qc7 40.Rb7 Qc8 41.Kg2 Qc4 42.Rd7 Qb5 43.Qe7 Qf5 44.Be4 (44.Be4 Qg4 45.f3+–) 1–0. Csom,Istvan (2460) – Naiditsch,Arkadij (2255), Budapest FS04 GM, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3 d5)

8.a3 Bf5 9.Be2 ab4 10.ab4 Ra1 11.Qa1 dc4 12.dc4 Na6 13.Qa3 c5 (13...Qb6 14.b5 cb5 15.cb5+=) 14.bc5+= Qc7 15.Nb3 Ne4 Increasing the pressure on the isolated pawn on c5 (15...Ra8 16.Be5 Qd8 17.0-0+/-) 16.Bg7+/- Kg7 17.c6 Qc6 18.Qe7 Qa4 19.Qe5 (19.Qb7 Rb8 20.Qa7 Qb3-/+) 19...f6 20.Qb2?? (20.Qb5 Bd7 A) 21.Qb7 Nac5 22.Nc5 Qa5 23.Kd1 Qa1 (23...Nc5 24.Bd3 Nb7 25.Ke2 Qa2 26.Nd2-+) 24.Kc2 Qc3 25.Kb1 Nc5-+; B) 21.Qa4 Ba4 22.Nbd4+/-) 20...Qb4-+ 21.Kf1 Nac5 22.Bd1? (22.Nfd4 Nb3 23.Nb3 Qb3 24.Qb3 Nd2 25.Kg1 Nb3-+) 22...Qc4 (better 22...Nc3-+) 23.Kg1 Nd3 24.Qe2 Nef2 25.Nfd4? (25.Nbd4-+) 25...Bg4 (25...Nh1?! 26.Nf5 gf5 27.Kh1-+) 26.Qc2 (26.Nf3 b5 (worse 26...Nh1 27.Kh1 Rd8 28.Nbd4-+) 27.Nbd4 Ra8 28.Qf2 Nf2 29.Kf2 Ra3-+) 26...Rc8 (better 26...Qb4 27.Qf2 Nf2 (27...Bd1?! 28.Qd2 Re8 29.Qb4 Nb4 30.Nd2-+) 28.Kf2 Bd1 29.Rd1 Re8-+) 27.Qc4 Rc4 28.Bc2 Rc3 (28...Bd1 29.Bd3 Nd3 30.Nd2-+) 29.Bd3 Nd3 30.h3 Bd1 31.Nd2 Ba4 32.Kh2 b5 (32...Nc5!?-+) 33.Ne4-/+ Rc8 34.Ne6 Kg8 35.Nd4 (35.Nf6!? Kf7 36.Nf4 Kf6 37.Nd3-/+) 35...f5 36.Nd6 Rc5 37.Rb1 b4 38.Ra1 Bc6 (38...Ra5 39.g4 fg4 40.hg4-+) 39.Ra7-/+ Bd5 (better 39...Rc1!?-/+) 40.Ne8=+ Kf8 (40...Bf7 41.Nd6 Bc4 42.Ne8=) 41.Nf6= b3 42.Nd7 Ke8 43.Nb3 Bb3 44.Nc5 (better 44.Nf6!? Kd8 45.Rd7 Kc8 46.Rd3+=) 44...Nc5-/+ 45.Rh7 Bf7 46.Rh8 Ke7 47.Ra8 (47.g4 fg4 48.hg4 Ne4-/+) 47...Kf6 (47...Be6 48.Rb8-/+) 48.Ra7 Ne4 49.Ra6 Ke5 50.Ra5 Bd5 51.Kg1 Nc3 52.Ra6 Be6 53.Ra3 Nd5 54.Kf2 Nf6 55.Ra5 Bd5 56.Ra7 Ne4 57.Kg1 Ng5 (57...g5 58.Re7 Kd6 59.Ra7-/+) 58.Re7 Ne6 59.Kf2 Bc6 60.Ra7 (60.g4 Kf6 61.Ra7 Nc5-/+) 60...Nc5 61.Re7 Kf6 62.Ra7 Ne6 (62...Ne4 63.Kf1 Kg5 64.Kg1-/+) 63.Ra6 Bd5 64.Rb6 Ke5 65.Rb8 (65.g4 fg4 66.hg4 g5-/+) 65...Be4 (65...Ng5 66.Rb6 Ne4 67.Ke2-/+) 66.Rb5 Kf6 67.Rb6 Bd5 68.Rb5 Ke5 69.Rb8 g5 70.Re8 Kf6 71.Rh8 Kg7 72.Rb8 Be4 73.Rb5 Kf6 74.Rb6 Bc2 75.Rc6 Ba4 76.Ra6 Be8 77.Ra8 Bf7 78.Ra6 Bh5 79.Rb6 Ke7 80.Rb7 Kf6 81.Rb6 Be8 82.Rb8 Bd7 83.Rb7 (83.g4 Nc5 84.Kf3 Ke5-/+) 83...Nc5 84.Rc7 Ne4 85.Ke1 Be6 86.Ra7 Bd5 87.Rc7 Ke5 88.Re7 Kd6 89.Rg7 Kc5 90.g3 Kd6 (better 90...Kc4!?-/+) 91.h4=+ gh4 92.gh4 Nf6 93.Rg5 (93.h5!? Nh5 94.Rg5=) 93...Ke5-/+ 94.h5 Ng4 95.Rg7 Kf6 (worse 95...Ne3 96.h6 Kf6 97.Rg5+/-) 96.Rg6 Kf7 97.Ke2 Bc4 (better 97...Be4=+) 98.Kd2 (98.Kf3 Ne5 99.Kf4 Ng6 100.hg6 Kg6=) 98...Be6 (better 98...Nf6!?-/+) 99.Ke2=+ Bc4 100.Kd2 Be6 (better 100...Nf6!?-/+) 101.Ke2=+ Nf6 102.Rg5 Ne4 103.Rg1 Kf6?? (better 103...Bc4 104.Kf3 Nc3=) 104.h6+- Bc4 105.Ke1 f4?? (better 105...Nd6 106.h7 Nf7+-) 106.h7 f3 107.h8Q Kf5 108.Qh5 (108.Qh5 Ke6 109.Qg4 Ke5 110.Qf4 Kd5 111.Qf5 Kd6 112.Rg6 Kc7 113.Qe4 f2 114.Kf2 Bb5 115.Qe7 Bd7 116.Qd6 Kc8 117.Rg8 Be8 118.Qe7 Kb8 119.Re8) 1-0. Daly,C (2210) - Murray,D (2125), ch-IRL, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d3)

8.Be2 Qd6 9.Qb3 Bg4 10.0-0 Nbd7 11.Rfd1 Rac8 12.h3 Bf3 13.Nf3 Qb8 14.Rac1 e6 15.a4 b5 (15...Qd6 16.c5 Qe7 17.Ne5+=) 16.ab5+/– cb5 17.cd5 (17.c5 Qb7+/–) 17...Nd5+= 18.Bg7 Kg7 19.e4 Nf4 20.Bf1 e5 (20...Rc1 21.Qb2 e5 22.Qc1+=) 21.Rc8 Rc8 22.d4 a6 23.g3 (23.Qa3 Rc6+/–) 23...Ne6+= 24.de5 Ne5 25.Qb2 f6 26.Ne5 Qe5 27.Rd7 Kh6 (27...Kh8 28.Qe5 fe5 29.Rd6+=) 28.Qd2+/– Qg5 (better is 28...g5!?+/–) 29.Qd6 Nf8 (29...Qe5 30.Qe7 Rh8+–) 30.Re7 Qc1 (30...Ra8 31.Kg2 f5+–) 31.Rf7 (31.Rf7 Qa1 32.f3+/– (32.Rf8?! Rc1+–); 31.Qf6 Qf4 32.gf4 Rc5 33.Qf8 Kh5 34.Rh7#) 1–0. Tempone,Marcelo (2440) – Cortes Moyano,Julio (2360), Merlo op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 c6 6.e3)

8.Be2 Nbd7 9.0-0 e5 10.cd5 Nd5 11.Qb3 a5 (11...Qe7 12.a3=) 12.a3 (12.ba5 Ra5 13.Nc4 Ra8=) 12...ab4 (12...Qe7 13.ba5 Ra5 14.Rfc1=) 13.ab4 Ra1 14.Ba1 (14.Ra1 Qb6=) 14...Bf8 (14...N7b6 15.b5=) 15.Nc4 (15.b5 Qc7+=) 15...Qc7 (15...f6 16.Rb1=) 16.b5+= Bg7 (16...f6 17.d4=) 17.bc6 (17.Rc1 h6+=) 17...Qc6 18.Na5 Nc5 19.Qc4 (19.Qa3!? Qe6 20.Be5 Be5 21.Ne5 (worse is 21.Qc5 b6 22.Qc4 ba5–+) 21...Ne3 22.d4 Nf1 23.Bc4=) 19...Qd6= 20.Qb5 (20.d4 ed4 21.Bd4 b6=) 20...Nc7 21.Qb4 (21.Qb1 b5=) 21...Nd5 (21...N7a6 22.Nc4 Qd3 23.Qb2=) 22.Qb5 Nc7 23.Qb4 Nd5 ½–½. Sobeck – Kummerow, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.d3)

8.Be2 Nbd7 9.cd5 Nd5 10.Bg7 Kg7 11.Qb3 N7f6 12.0-0 a5 13.ba5+= Qa5 14.Nc4 Qc7 15.Rfc1 Bg4 16.d4 e6 17.h3 Bf3 18.Bf3 Red8 19.Rab1 Ra7 20.Rb2 h5 21.Ne5 Ne7 22.Qb6 Qb6= 23.Rb6 Nd7 24.Nd7 Rd7 25.Rcb1 Kf8 26.a4 h4 27.a5 Nd5 28.Bd5 cd5 29.Kf1 Rc7 30.R1b2 Ra5+= 31.Rb7 Rb7 32.Rb7 Ra2 33.Rc7 g5 34.Rc1 Kg7 35.Re1 f5 36.Re2 Ra4 37.Rb2 g4 38.Rb7 Kf6 39.Rb8 Ra1 40.Ke2 Ra2 41.Kf1 Ra1 42.Ke2 Ra2 43.Kf1 ½–½. Grigoriev,A (2280) – Erdogdu,M (2445), Open, Antakya TUR, 2010.

7.a3 ab4 8.ab4 Ra1 9.Ba1 d5 10.c5 Bg4 11.Bd3 Nbd7 (11...Na6 12.Qb3=) 12.Nbd2 Ne4 (12...Qc7!?=) 13.Ne4+/- de4 14.Be4 e5 15.d5 (15.h3 Bf3 16.Bf3 ed4 17.Bd4 Qe7+/-) 15...cd5 (15...Nf6!? 16.h3 Bf3 17.Bf3 Nd5+=) 16.Bd5 Nf6 17.Bb7 e4?? (better 17...Qb8 18.c6 e4+/-) 18.Be4 (better 18.Qd8 Rd8 19.Nd2+-) 18...Ne4 (18...Qd1 19.Kd1 Ne4 20.Bg7 Kg7 21.Kc2=+) 19.Bg7 (19.Qd8!? Rd8 20.Nd4+=) 19...Qd1=+ 20.Kd1 Nf2?? (better 20...Kg7 21.Kc2 Nf2=+) 21.Ke2+- Nh1 22.Bf8 Bf3?? (22...Kf8 23.Kf1 Bf5+-) 23.Kf3 Kf8 24.g3 (24.g4 Ke8+-) 24...h5 (24...f5 25.Kg2 Ng3 26.Kg3+-) 25.Kg2 h4 (25...Ng3 26.Kg3 g5 27.b5+-) 26.Kh1 hg3 27.hg3 Ke7 28.Kg2 Kd7 29.Kf3 Kc6 30.Ke4 f6 31.g4 Kd7 32.Kd5 Kc7 33.e4 Kd7 34.b5 Kc7 35.Ke6 (35.Ke6 g5 36.Kf6 Kd8 37.e5 Kc8 38.e6 Kc7 39.e7 Kb8 40.e8Q Kc7 41.Qf7 Kc8 42.c6 Kb8 43.Qb7) 1-0. Gehaktbalmetjus (2145) - Moenn123 (2185), Rated Bullet game, lichess.org, 2019.

7.ba5 Qa5 8.Nbd2 d5 9.Be2 dc4 10.Bc4 Ne4 (10...Nbd7 11.0-0=+) 11.0-0 Nd2 12.Qd2 Qd2 13.Nd2 Nd7 14.a4 e5 15.d5 Nb6 Attacking the isolated pawn on a4 16.dc6 bc6 (16...Ra4 17.cb7 Bb7 18.Bb3 Ra1 19.Ra1=) 17.Bb3 Rd8 18.Ne4 (18.Nf3 Rd3 19.Bc2 Rd5+=) 18...Nd5 19.Nc5 Rb8 20.Rfc1 Nb4 21.Rd1 (21.Bc4 Na6 22.Ba3 Nc5 23.Bc5 e4+=) 21...Bg4 (21...Nd3!=) 22.Rd8+/- Rd8 23.a5 Bf8 (better 23...Be2!?+=) 24.Ne4+- Bc8 (24...Be2 25.Be5 Be7 26.Bd4+-) 25.Be5 Bg7 26.Bg7 (26.Nf6 Kh8+-) 26...Kg7 27.Nc5 (27.Ra4 Be6 28.Rb4 Bb3+-) 27...Na6 28.Na4 Rd2 (28...Nb4 29.Rd1 Rd1 30.Bd1+-) 29.Bc4 (better 29.Rd1 Rd1 30.Bd1+-) 29...Rc2?? (better 29...Nb4+/-) 30.Bd3+- Rd2 31.Ba6 Ba6 32.Nc5 Bb5 33.a6 Ba6 34.Na6 Rc2 35.Nb4 Rc4 36.Nd3 c5 37.g3 Rc3 38.Ne5 Kf6 39.Nf3 Rc2 40.g4 h6 41.Kf1 Ke6 42.e4 f5 (42...Rc4 43.Ra6 Ke7+-) 43.Ra6 Kf7 (43...Kd7 44.gf5 gf5 45.ef5 Rc1 46.Kg2+-) 44.Ne5 Ke8 45.gf5 gf5 1-0. Utegaliyev,A (2500) - Tissir,M (2375), World Blitz, 2019. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.d4)

7.b5 a4 8.Be2 d5 9.0-0 Be6 (9...Bf5 10.Nc3=) 10.c5 (10.cd5 Nd5 11.Na3 h6=) 10...Ne4 (10...cb5 11.Bb5 Ne4 12.Qc2=) 11.Qc2 Bf5 (11...Nd7 12.Nbd2 Ndf6 13.Ne4 Ne4 14.a3=) 12.Nh4 Bd7 13.f3 Nf6 14.b6 (14.Nc3 cb5 15.Nb5 Nc6=) 14...e5 (14...Bh6 15.f4=) 15.de5 Ng4 16.fg4 (16.Ng6 fg6 17.fg4 Rf1 18.Kf1 Qg5=) 16...Qh4 17.Nd2 Qe7 18.e4 (18.Bd4 Be5 19.Rf2 Bd4 20.ed4 Qe3=) 18...Be5 19.ed5 (19.Be5!? Qe5 20.Rac1+=) 19...Bb2–/+ 20.Qb2 Qc5 21.Kh1 (21.Rf2 cd5 22.Rc1 a3–/+) 21...cd5–/+ 22.Rac1 Qe3 Black plans a3 23.Bf3 a3 24.Qc3 Qc3 25.Rc3 Be6 (25...Bc6 26.Nb3–/+) 26.Rc7+= Nd7 27.Rb7 Rfb8 (27...Rab8 28.Bd5 Rb7 29.Bb7 Rb8–/+) 28.Rb8? (better is 28.Rd7!? Bd7 29.Bd5+=) 28...Rb8–/+ 29.Nb1 Nb6 (29...Rb6 30.Na3 Ne5 31.Nc2–+) 30.Na3 Ra8 (30...Nd7 31.Re1–/+) 31.Nb5 Ra2 32.Rd1 Kg7 33.h3 (33.Kg1 Kf6–/+) 33...Kf6 34.Kh2 (34.Nc3 Ra5–/+) 34...Rb2 35.Nc7 Ke5 36.Ne8 (36.Re1 Kd6 37.Ne8 Ke7–/+) 36...Nc4 37.Re1 (37.Kg3 Ne3 38.Re1 d4–+) 37...Kd4 (better is 37...Kf4!?–+) 38.Nf6–/+ h6 39.h4 (39.Kg3 Kc5–/+) 39...Nd2 (39...Kc5 40.h5 gh5 41.gh5–/+) 40.Kg3 Rc2 (40...Nf3 41.gf3 Kc3 42.h5 gh5 43.gh5–/+) 41.h5+= gh5 42.gh5 Nf3 43.gf3 Kc3 44.Kf4 (44.Ra1 Kd2+=) 44...Kd2 45.Rg1 Rc4 (45...Rc5 46.Rh1–/+) 46.Ke5+= d4 (46...Ke3 A) 47.Nd5?? Kf2 (47...Kf3?! 48.Nf6+=) 48.Rb1 Rc5–+; B) 47.f4+=) 47.Ne4 Ke2 48.f4 Rb4 (48...Bh3 49.Rg3 f5 50.Kd5+= (50.Rh3 fe4 51.f5 d3–+)) 49.Rg2= Kf1 (49...Kd3 50.Nc5 Kc3 51.Ne4 (51.Ne6? fe6 52.Ke6 d3–+) 51...Kc4 52.Nd6 Kd3 53.f5=) 50.Rd2 Attacks the isolani on d4 50...Ke1 (50...Rb5 51.Kd4 Rd5 52.Ke3 Rd2 53.Nd2 Kg2 54.Kd4=) 51.Rd4 Rb5 52.Kd6 (52.Kf6 Rf5 53.Kg7 Rh5=) 52...Rh5 53.Ke7 Ra5 (53...Rd5 54.Ra4=) 54.Nd6 Ra7 55.Kf6 White prepares f5 55...Rd7 56.f5 Bb3 (56...Ba2 57.Ke5=) 57.Nb5 Rb7 58.Nd6 Rb6 59.Kg7 h5 60.f6 (60.Nf7? Rb7–+) 60...Kf2 61.Nf5 (61.Rd2 Ke3 62.Rb2 Kf4=) 61...Rb5 (61...Be6 62.Rh4=) 62.Rf4 (62.Rd2 Kf1 63.Rb2 Ke1=) 62...Kg2 63.Kh6 Ra5 (63...Re5 64.Kh5 Be6 65.Kg4=) 64.Kh5 Be6 65.Kg4 Rf5 (65...Re5 66.Rf3=) 66.Rf5 Bf5 67.Kf5 Kf3 68.Ke5 Do you see the mate threat? 68...Kg4 69.Ke4 Kg5 70.Kf3 Kf6 71.Kf4 Ke6 72.Ke4 Kd6 73.Kf5 ½–½. Frolov,Ivan (2190) – Ponkratov,Pavel (2565), Ural FR Men's Championship, 2011. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 a5 7.b5 a4)

8.cb5 a4 9.Ba3 d5 10.Bd3 Nbd7 (10...Ne4 11.0-0 Bf5 12.Nh4 Be6 13.Nd2 Bf6 14.Nhf3 Nc3 15.Qc2 Qa5 16.Qb2) 11.Nbd2 (11.0-0 Ne4 12.Nbd2 Ndf6 13.Rc1 Bg4 14.Bb4 Nd6 15.h3 Bf5 16.Bf5) 11...Re8 12.0-0 e5 13.Ne5 (13.de5 Ne5 14.Ne5 Re5 15.Rc1 Re8 16.Re1) 13...Ne5 14.de5 Ng4 15.Nf3 Ne5 16.Ne5 Be5 17.Rc1 Qh4 18.f4 Bg7 19.Bc5 Bg4 20.Qe1 Qe1 21.Rfe1 (worse is 21.Rce1 Bc3–/+) 21...a3 22.Kf2 Bb2 23.Rc2 Rec8 24.Bd4 Rc2 25.Bc2 Bd7 26.b6 Bd4 27.ed4 Ra6 28.Rb1 Kf8 29.Bd3 Ra4 30.Ke3 Ke7 31.Bb5 Bb5 32.Rb5 Kd6 33.Rb3 Kc6 34.g4 Ra8 35.Kf3 Re8 36.Ra3 Re4 37.Ra4 Kb6 38.Rb4 Kc6 39.h3 Re1 40.Rb2 Rd1 41.Rc2 Kd6 42.Rb2 Rd3 43.Ke2 Rd4 44.Rb6 Kc5 45.Rb7 Rf4 46.Ke3 g5 47.Rc7 Kd6 48.Ra7 Ke5 49.a4 f6 50.a5 Ra4 51.Re7 Kd6 52.Rh7 Ra5 53.Kd4 Ra4 54.Ke3 Re4 55.Kf3 Re8 56.h4 d4 57.Kf2 gh4 58.Rh4 Kd5 59.Kf3 d3 60.Rh1 Kd4 61.Kf4 (61.Rh7–+) 61...d2 62.Rd1 Re2 63.Kf5 Rf2 64.Kg6 Ke3 65.Ra1 Ke2 66.Ra2 Ke1 (66...Ke1 67.Rd2 Kd2–+) 0–1. Jayaram,Aswin (2475) – Arun Prasad,Subramanian (2420), 3rd Open, Kolkata IND, 2008. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 c6 6.e3 a5 7.b5)

8.cb5 a4 9.Bd3 d5 10.0-0 Bg4 11.Nbd2 Nbd7 12.Ba3 Re8 13.h3 Bf5 14.Bf5 gf5 15.Qc2 e6 16.Rfc1 Qb8 17.Qc7 Rc8= 18.Qb8 Rab8 19.Bd6 Ra8 20.Ne5 Ne5 21.Be5 (worse is 21.de5 Ne8 22.Rab1 Nd6 23.ed6 Be5–/+) ½–½. Kempinski,R (2615) – Mchedlishvili,M (2610), Bundesliga, 2009.

8.cb5 a4 9.Be2 d6 10.0-0 Nbd7 11.Na3 Nb6 12.Nd2 Nfd5 13.Ndc4 Be6 14.Qd2 Nc4 15.Nc4 Nb6 16.Rac1 Nc4 17.Bc4 Bc4 18.Rc4 Qb6 19.Qb4 Ra5 20.Bc3 Rb5 21.Qa4 Rb1 22.Bb4 Rf1 23.Kf1 Bf6 24.a3 Qd8 25.Qb5 Qa8 26.Rc7 Rb8 27.d5 b6 28.g3 h5 29.Kg2 h4 30.e4 hg3 31.hg3 Kg7 32.a4 Rc8 33.Rc6 Rb8 34.Bd2 Rb7 35.Be3 Ra7 36.Rc4 Ra5 37.Qc6 Qa6 38.Bb6 Rc5 39.Rc5 dc5 40.Qb5 1–0. Arapovic – Mrdja, Naleczow 1978.

8.cb5 d6 9.a4 Nbd7 10.Nbd2 Nb6 11.Be2 Bf5 12.0-0 Rc8 13.Ne1 Qc7 14.Rc1 Qb8 15.Nc4 Nfd5 16.Nf3 Rc7 17.Nfd2 Be6 18.e4 Nc4 19.Bc4 Nf4 20.Be6 Ne6 21.Nb3 Rc1 22.Qc1 Rc8 23.Qd2 Rc4 24.Qa5 Rc2 25.Ba1+/– Qc8 26.d5 Nf4 27.g3 Ne2 28.Kg2 Qc4 29.Nd2 Qd3 30.Bg7? Kg7–/+ 31.Nf3 Qe4 32.Re1 g5 33.h3 h5 34.Re2 Re2 35.Qc3 f6 36.Kf1 Rc2 37.Qa3?? g4 38.hg4 hg4 39.Ng1 0–1. Kaenel,Hansjuerg (2295) – Schmidt,Wlodzimierz (2455), Biel MTO op, 1990. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 a5 7.b5)

8.cb5 d6 9.Bd3 Bg4 1–0. Baroin,Bernard (2065) – Vermaas,Fred, TE.2004.S.01703, 2006.

8.cb5 d6 9.Be2 Nbd7 10.0-0 Nb6 11.Nbd2 (11.Nc3 Bg4+=) 11...a4 (11...Bf5 12.Rc1=) 12.Ba3 (12.e4 Bd7=) 12...Nfd5 (12...Bf5 13.Rc1=) 13.Qc2 (13.Rc1 Bd7=) 13...Bd7 (13...Bf5 14.Qb2=) 14.Rfc1 Qb8 (14...Rc8 15.Qd3=) 15.Qb2+= Rc8 16.e4 (16.Nc4 Nc4 17.Rc4 Bf5+=) 16...Nf4= 17.Bf1 Ne6 (17...Qa7 18.Qb4=) 18.e5 Rd8 (18...de5 19.de5 Rc1 20.Rc1+= (worse is 20.Qc1 Be5 21.Ne5 Qe5+=)) 19.ed6 (19.Nc4 Nc4 20.Bc4 Nf4+=) 19...ed6 20.Nc4 (20.Re1 Nf4+=) 20...Nc4= 21.Bc4 Nf4 22.Re1 Bg4 23.Re3 Bf3 24.Rf3 d5 25.Bf1 Ne6 26.Rd1 b6 27.g3 Ra7 28.Re3 Rc7 29.Bh3? Nd4–/+ 30.Qb1 Rc3! 31.Bf1 Re3 32.fe3 Nf5 33.Qd3 d4 34.e4 Ne3 35.Rc1 Be5 36.Rc6? Bg3!–+ 37.hg3 Qg3 38.Kh1 Nf1 39.Qf1 Qa3 40.Rb6 Qe3 41.Qf6 Qe4 42.Kg1 Re8 43.Rd6 Qc2 (43...Qc2 44.Rd8 Qb1 45.Kg2 Qa2 46.Kg3 Qb3 47.Kf2 Qb2 48.Kg3 Qb5 49.Re8 Qe8 50.Qd4 a3–+) 0–1. Krnic – Schmidt,Wl, Smederevska Palanka, 1981.

9.a4 Bf5 10.Nbd2 Nbd7 11.Nb3 b6 12.Bd3 Ne4 13.0-0 Rc8 14.Rc1 Rc1 15.Qc1 Qc8 (15...Ng3! 16.fg3 Bd3+=) 16.Be2 Nd6 17.Ba3 Bc2 (17...Qb8!?=) 18.Qb2 Nc4 19.Qc2 Na3 20.Qa2 Nc2 21.Rc1 Nb4 22.Rc8 Na2 23.Rc7 Rd8 24.Nc1 Nc1 25.Rc1 e6 26.Rc6 Kf8 27.Kf1 h6 28.Bd3 Ke7 29.Ke2 Rb8 30.h3 g5 31.g4 Rd8 32.h4 Bf6 33.h5 Rb8 34.Nd2 Rd8 ½–½. Gordeeva,Vitalia – Bartholdus,Daniela, NRW–ch U16 Girls, 2009. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 c6 6.Bb2 a5 7.b5 cb5)

9.Nc3 Bf5 10.Be2 Nbd7 11.Rc1 Nb6 12.0-0 Rc8 13.Qb3 Ne4 14.Ne4 Be4 15.Nd2 Bf5 16.Rc5 Be6 17.Rc8 Nc8 18.Rc1 Nd6 19.b6 Bd7 20.Rc7 Bc6 21.Ba3 Bf6 22.Bd6 Qd6 23.Bb5 e5 24.de5 Be5 25.Nf3 d4 26.Ne5 Qe5 27.Bc6 bc6 28.Rc6 a4 29.Qb1 de3 30.fe3 Qe3 31.Kh1 Re8 32.h3 Qf2 33.Rc1 Re2 34.Rg1 Rb2 (34...Ra2?? 35.b7 Rb2 36.b8Q Rb8 37.Qb8 Kg7 38.Qb4+–) 35.Qe4 Qb6 (35...Ra2? 36.b7 Rb2 37.Rb1 Rb7 38.Rb7+–) 36.Qa4 Rb1 37.Qa8 Kg7 38.Rb1 Qb1 39.Kh2 Qb2 40.Qd5 Qb8 41.Kg1 Qb4 42.Kf2 Qb2 43.Ke3 Qc3 44.Ke2 Qc2 45.Kf1 Qc1 46.Kf2 Qc2 47.Ke3 Qc3 48.Ke2 Qc2 49.Qd2 Qe4 50.Kf2 Qf5 ½–½. Donchenko,Anatoly G (2375) – Fuchs,Judith (2115), Dresden ZMD op, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.d4 a5 7.b5 cb5)

9.Bd3 Bf5 10.Bf5 gf5 11.0-0 Nbd7 12.Nbd2 a4 13.Rc1 e6 14.Qc2 Qb6 15.Ba3. Jimenez,Jean Claude – Revenu,Jean, corr AJEC/1246, 1997.

9.Be2 Nbd7 10.0-0 Nb6 11.Nbd2 Bf5 12.Rc1 Ne8 13.Ba3 Nd6 14.Qb3 Be6 15.Ng5 Bf5 16.Bc5 Bh6 17.Ngf3 Be6 18.Ne5 Re8 19.Rfd1 Rc8 20.Qa3 Na8 21.Qa4 Bf5 22.Bf3 Nc7 23.Bb6 Ndb5? (better is 23...e6+/–) 24.Be2+– (24.Qa5?! Qd6 25.Nb3 Na8 26.Rc8 Rc8+–; 24.Ba5 f6 25.Rc5 Qd6 26.Rb5 Nb5 27.Qb5 fe5 28.Bd5 e6 29.Bb7 Rb8=) 24...Nd6 25.Qa5 Ra8 26.Qb4 (26.Bc7?! Ra5 27.Bd8 Rd8=) 26...Rc8 27.Qa5 Ra8 28.Qc3 (28.Bc7?! Ra5 29.Bd8 Rd8=) 28...Ncb5 29.Qc5 (29.Bd8?! Nc3 30.Rc3 Red8=) 29...Qc8 30.Bb5 Qc5 31.Rc5 (31.Bc5?! Nb5 32.g4 Bc8=) 31...Nb5 32.Rb5 Ra2 33.Rd5 Rb2 34.Ndc4 (34.Ndc4 Ra2 35.Ra5 Ra5 36.Na5+–) 1–0. Mikhalchishin,Adrian (2530) – Naiditsch,Arkadij (2255), Sparkasse GM, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 a5 7.b5 cb5)

9.Be2 Nbd7 10.0-0 Nb6 11.Ne5 Ne4 12.Nd2 Nd6 13.Ba3 f6 14.Nef3 a4 15.Rc1 Bf5 16.Rc5 Qd7 17.Qa1 Rfc8 18.Rfc1 Nf7 (18...Nbc4 19.Bb4 Be6 20.Nc4 Nc4 21.Qc3=) 19.Qc3 Bf8 20.Rc7 e5 21.Bf8 (21.Rd7 Rc3 22.Rc3 (worse is 22.Rb7 Ra3 23.Rb6 e4–/+) 22...Nd7 23.Bf8 Nf8 24.h3+=) 21...Rc7–/+ 22.Qc7 Rc8 23.Qb6? (better is 23.Qc5 Rc5 24.Bc5–/+) 23...Rc1–+ 24.Nf1? (24.Bf1 Kf8 25.de5 fe5 26.Qa5–+) 24...Kf8 25.Qf6 Qe6 (25...Qe7 26.de5 Qf6 27.ef6–+) 26.Qh4 (26.de5 Qf6 27.ef6 Rc2–+) 26...e4 27.Ng5 (27.Ne5 Ne5 28.de5 Re1–+) 27...Ng5 28.Qg5 Re1 29.Qd8 Qe8 30.Qd6 (30.Qd5 Re2 31.Qb7 Ra2 32.Qh7 a3 33.Qh8 Kf7 34.Qh7 Kf6–+) 30...Qe7 31.Qf4 Re2 32.g4 g5 (better is 32...Qh4 33.h3 Ra2 34.Qd6 Qe7 35.Qb8 Kg7 36.gf5 a3–+) 33.Qb8 Kg7 34.gf5 Ra2 (34...h6 35.Ng3 Rc2 36.a3–/+) 35.Ng3 Kh6 (better is 35...h6!? 36.f6 Kf6 37.Qh8 Ke6 38.Qe5 Kf7 39.Qd5 Qe6 40.Qb7 Kg8 41.Qb8 (41.Ne4 a3 42.Ng3 Ra1 43.Kg2 a2 44.Qa8 Kh7–+) 41...Kg7 42.b6+=) 36.Qh8 (36.Kg2 Rb2 37.Qa7 Rb5 38.Qa4–/+) 36...Qf7 (36...Rc2 37.f6 Qf7 38.Nf5 Kh5–+) 37.Qe5–/+ Rc2 (37...Ra1 38.Kg2 Rc1=) 38.f6= Qd7 39.h4 Qg4 (39...gh4 40.Qh5#) 40.f7 Qd1 41.Nf1 Qg4 42.Ng3 Qd1 43.Nf1 Qg4 ½–½. Shtembuliak,Evgeny (2345) – Polulikh,Bogdan (2075), Lviv UKR, Vasylyshyn Mem IM, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 a5 7.b5 cb5 8.cb5 d5)

9.h3 Bf5 10.Be2 Bb1 (10...a4 11.0-0=) 11.Rb1+= Nbd7 12.0-0 Ne4 13.Qb3 Nb6 14.Rfc1 Qd7 15.Ba3 Nd6 16.Nd2 a4 17.Qb2 Rfc8 18.Bc5 Qd8 19.Qa3 Bf8 20.Bd6 Qd6 21.Qd6 ed6 22.Bf3 f5 23.Kf1 Kf7 24.Ke2 Ke6 25.Kd1 Be7 26.Rc8 Rc8 27.Rc1 Nc4 (27...Rc1 28.Kc1 f4 29.Kd1+=) 28.Rc2 Bd8 29.Be2 Nb6 30.Nb1 Ra8 31.Nc3 Nd7 32.Bf3 Nf6 33.Ne2 g5 34.g4 fg4 35.hg4 Ba5 36.Ng3 Rf8 37.Ke2 h5 (37...a3 38.Rc1+/–) 38.gh5 (38.Nh5!? Ne4 39.Ng7 Ke7 40.Nf5 Ke6+–) 38...g4 39.Bg2 Rh8 40.f3 Nh5 41.Nh5 Rh5 42.fg4 Rh7 43.a3 Rc7 (43...Rh8 44.Kd3+–) 44.Rc7 Bc7 45.Kd3 Ba5 46.Bf3 b6 47.Bd1 Kf6 48.Ba4 Kg5 49.Bd1 Be1 (49...Kh4 50.Kc2+–) 50.Ke2 (50.Ke2 Bc3 51.Kf3+–) 1–0. Jaracz,Pawel (2575) – Bures,J (2380), Pardubice CZE, Czech Open–A, 2011. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 a5 7.b5)

8.a4 Bg4 9.Nbd2 Nbd7 10.h3 Bf3 11.Nf3 Re8 12.Be2 Qc7 (12...Rc8 13.Rc1=) 13.Rc1+= Qb6 14.0-0 Ne4 15.Qb3 Ndf6 16.Ne5 (16.c5 Qc7+=) 16...Rac8 (better 16...Nd2 17.Qd3 Nf1-/+) 17.Rfd1+/- e6 18.Ba3 Qd8 (18...c5 19.cd5 ed5 20.dc5 Nc5 21.Bc5 Rc5 22.Rc5 Qc5 23.Ng4+=) 19.bc6+/- bc6 20.cd5 cd5 (better 20...Nd5!? 21.Ba6 Rb8+/-) 21.Nc6+- Qd7 22.Ne7! Re7 23.Rc8 Qc8 24.Be7 Nc3 25.Bf6?? (better 25.Ba6! Qc7 26.Bf6 Bf6 27.Rd3 Ne2 28.Kh1+-) 25...Ne2= 26.Kf1 (26.Kh2!? Bf6 27.Rd2=) 26...Nc1=+ 27.Qb5 (27.Qb2 Qc4 28.Ke1 Bf8=+) 27...Bf6-/+ 28.Qa5 Qc2 29.Qd2 Qc4 30.Kg1 Nb3 31.Qa2 Na5 32.Qc4 Nc4 33.Rb1 Kf8 34.Rb7 Ke8 35.Ra7 Bd8 36.Kf1 Bb6 37.Rb7 Ba5 38.Ke2 h5 39.Kd3 Nd6 40.f3?? (better 40.Ra7 Bb6 41.Ra8 Kd7 42.a5=) 40...Nb7-+ 41.e4 Nd6 42.f4 (42.g4 Nc4-+) 42…Nc4 0-1. jhonores (2270) - Isolani44 (2255), Rated Blitz game, lichess.org, 2020.

8.Nc3 Nbd7 9.cd5 cd5 10.Bd3 Nb6 11.Ne5 a4 12.Ba3 Nbd7 13.Nd7 Bd7 14.0-0 Re8 15.Rc1 (15.Na4? Qa5-+) 15...e5 (15...Bg4 16.f3 Bf5 17.Bf5 gf5 18.Rf2+= (18.Na4? Qa5-+)) 16.de5+/- (16.Na4 e4 17.Bc2 Bb5-+) 16...Re5 17.Bb4 (17.Bc5 Qe8+/-) 17...a3 (17...Bg4 18.Ne2+=) 18.Qb3 (better 18.Bc5!?+=) 18...Be6= 19.Qb1 (19.Ba3? d4 20.Bc4 dc3 21.Be6 fe6 22.Rc3 Qd7-+) 19...d4 20.ed4 Qd4 21.Ne2 Qb2 22.Bc3 (22.Rc2 Qb1 23.Rb1 Rd8=+) 22...Qb1=+ 23.Bb1?? (better 23.Rb1 Rc5 24.Ra1=+) 23…Re2-+ (23...Re2 24.Rfe1 Re1 25.Be1 Rd8-+) 0-1. Krivbass555 (2055) - crazymetalxxx (2080), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.e3 0-0 5.b4 a5 6.b5 c6 7.Bb2)

8.c5 cb5 9.Bb5 Nc6 10.0-0 Bg4 11.Nbd2 Ne4 12.Be2 (12.Qb3 Nd2 13.Nd2 Bf5+=) 12...Nd2 (better is 12...Nc5!? 13.dc5 Bb2+=) 13.Qd2+= Qd7 14.a3 a4 15.Rab1 Na5 16.Bc3 Nb3 17.Qd3 (better is 17.Qc2+=) 17...Bf5–/+ 18.Qd1 (better is 18.Qb5!? Qb5 19.Bb5 Bb1 20.Rb1 Nc5 21.Bb4–/+) 18...Bb1–+ 19.Qb1 Nc5! 0–1. Fournier,Frederic (1730) – sebasfromlasvegas (2220), 3 min +0s Chess16.com, 2008.

8.c5 Ne4 9.Nc3 Nc3 10.Bc3 b6 11.cb6 Qb6 12.Rb1 cb5 13.Rb5 Qc7 14.Rc5 Qd8 15.Qb3 e6 16.a4 Na6 (better is 16...Nd7!? 17.Rb5 Qc7=) 17.Ra5+/– Rb8 18.Rb5 Bd7 19.Rb8 Qb8 20.Bb5 (20.Qb8 Rb8 21.Kd2+– (21.Ba6?! Rb1 22.Kd2 Rh1=)) 20...Nc7 21.Bb4 Nb5 (21...Rd8!? 22.Ba5 Bb5 23.ab5 Rc8 24.Bc7 Rc7+/–) 22.Bf8+– (22.ab5 Qb5 23.Ne5 Be5 24.de5 Rb8–+) 22...Bf8 23.0-0 Qe8 24.ab5 Bb5 25.Rb1 Ba4 26.Qb8 Qb8 27.Rb8 Kg7 28.Ra8 Bc6 29.Ra7 Be8 30.Ng5 Kg8 31.Ra8 Bc6 32.Rc8 Bb5 33.Nh7! Kh7 34.Rf8 Kg7 35.Rb8 Bd3 36.f3 g5 37.Kf2 Bg6 38.Rb5 Kf6 39.g4 Bd3 40.Ra5 Bh7 41.Kg3 Kg7 42.f4 Kf6 43.h4 gh4 44.Kh4 Bg6 45.f5! Bh7 46.fe6 fe6 47.Kh5 Bg6 48.Kh6 Kf7 49.Ra1 1–0. Pobedonostzef,Franck (1905) – Freulon,Philippe, Pierrevert op 5th, 2007. (=1.Nf3 Nf6 2.b4 a5 3.b5 c6 4.e3 g6 5.Bb2 Bg7 6.d4 0-0 7.c4)

8.a4 cb5 9.cb5 (9.ab5 d5=) 9...b6 (9...Bf5 10.Bd3=) 10.Nc3 Bb7 (10...Bf5 11.Bd3+=) 11.Be2 (11.Bd3 e5 12.de5 de5+=) 11...Nbd7 12.0-0 Re8 13.Ba3 (13.Rc1 Rc8+=) 13...Rc8 14.Rc1 Nf8 (14...Ne4 15.Ne4 Be4 16.Qd2+=) 15.d5 (15.Qd3 e5 16.de5 de5+=) 15...e5 (15...N8d7!?=) 16.de6 Ne6 17.Qd6 Qd6 18.Bd6 Nd7 19.Na2 (19.Nb1 Ndc5=) 19...Bd5 20.Rc8 Rc8 21.Nc1 Ndc5 22.Bc5 Nc5 23.Bd1 Bc4 24.Ne2 (24.Re1 Bc3–/+) 24...Na4! 25.Ba4 Be2 26.Re1 Rc4 (26...Bf3 27.gf3 Kf8 28.Re2–/+) 27.Bd1 Bd3–+ 0–1. Nicklich,Wolfgang – Satkowski,Peter Ingo, corr DDR–ch M629, 1979.

8.a4 Qc7 9.Be2 Bg4 10.0-0 Nbd7 11.Qb3 c5 12.Nbd2 cd4 13.ed4 b6 14.Rfc1 Rfc8 15.h3 Bf5 16.g4 Be4 17.Ne4 Ne4 18.Qe3 Nef6 19.Rc2 Kf8 20.Rac1 Rab8 21.Ba3 Qd8 22.g5 Ng8 23.c5 dc5 24.dc5 Nc5 25.Bc5 bc5 26.Rc5 e6 27.Ne5 Ne7 28.Nc6 Nc6 29.Rc6 Rc6 30.bc6 Qc7 31.Qc5 Kg8 32.Bb5 Rd8 33.Qc2 Rd5 34.Rd1 Rg5 35.Kf1 Qh2 36.Rd3 Rg1 37.Ke2 Qe5 38.Re3 Qh5 39.Kd3 Qd5 40.Ke2 Qh5 41.Kd3 Qd5 42.Ke2 Qh5 ½–½. carocan (1635) – sfbirkenfeld (1650), kurnik, 2012.

7.a3 Nbd7 8.Nc3 e6 9.cd5 ed5 10.Be2 Re8 11.0-0 Nf8 12.Ne5 N6d7 13.Nd7 Bd7 14.a4 White plans b5 14...Ne6 15.b5 Rc8 16.a5 Nc7 17.b6 ab6 18.ab6 Ne6 (18...Na8!?=+) 19.Qb3+= Qf6 (19...c5 A) worse 20.Qd5 Qb6 21.Rfb1 Bc6-/+ (21...cd4?! 22.Qd7 dc3 23.Bc3=); B) 20.Nd5?! Nd4 21.Bd4 cd4= (worse 21...Bd4 22.ed4 Re2 23.Qd3+=); C) 20.dc5 Bc6 21.Rfd1=) 20.Ra7+/- Rb8 21.Rfa1 Bc8 22.Nd5?? (better 22.Ba3+/-) 22...cd5-/+ 23.Qd5? (better 23.Bf3-/+) 23...Qe7?? (better 23...Nf4 24.ef4 Re2-+) 24.Bd3 Rd8 25.Qf3 (25.Ba3!? Qf6 26.Qc4=+) 25...Qb4-/+ 26.Ba3 Qb6 27.Be7 Re8 28.Bh4 Bd7 29.Qe2?? (29.Bg3 Bc6 30.Qd1 Rbc8-+) 29...Bc6 (better 29...Nd4 30.Qd1 Nc6-+) 30.Qa2 Nd4! 31.Rb1 (31.ed4 Qd4 Double attack) 31...Qc5 32.ed4 (32.Bg3 Bd5 33.Qa3 Qa3 34.Ra3 Nc6 35.Bb8 Rb8-+) 32...Qd4 (32...Bd4?! 33.Ra5 Qc3 34.Bf1-/+) 33.Bc4 Qh4 34.Bf7 Kh8 35.Be8 Re8 (35...Be8?! 36.Rab7 Rb7 37.Rb7=+) 36.Ra8 Qe7 37.Re8 Qe8 38.Qd2 h6 39.h3?? (better 39.Re1 Qf7 40.Qe3-+) 39...Qe4 40.f3 Qb1 (40...Qb1 41.Kh2 b5 42.Qd8 Kh7-+) 0-1. muhammadaudii (2175) - BashkimMa (2180), MediterraneanCheckmateCoronaF1 Team Bat, lichess.org, 2020.

7.a4 a6 Bg4 9.Be2 Ne4 (9...dc4 10.Bc4 Nd5 11.Qb3=) 10.0-0 (10.Ne4 de4 11.Ng5 Be2 12.Qe2 e5 13.Ne4 ed4=) 10...Nd7 (10...Nd2 11.Nd2 Be2 12.Qe2=) 11.c5 (11.Ne4 de4 12.Nd2 Be2 13.Qe2 f5+=) 11...e6 (11...f5 12.Qc2+=) 12.h3 (12.Ne4 de4 13.Nd2 Be2 14.Qe2 Nf6+=) 12...Bf3 13.Bf3 Nd2 14.Qd2 f5 15.Rab1 Nf6 16.Bc3 (16.Be2 Ne4 17.Qe1 Qh4=) 16...Ne4= 17.Be4 fe4 18.b5 Qc7 (18...ab5 19.ab5 Qd7 20.bc6 bc6 21.Rb6=) 19.Rb2 (19.bc6 Qc6 20.Qc2 Ra7+=) 19...e5 (19...ab5 20.ab5 e5 21.Rfb1=) 20.Rfb1 (20.bc6 bc6 21.Rfb1 ed4 22.Bd4 Ra7+=) 20...ed4 21.Bd4 Bd4 (21...ab5 22.ab5 Qa5 23.Qc1 Bd4 24.ed4=) 22.Qd4 (22.ed4 ab5 23.ab5 Qf4=) 22...ab5 23.ab5 Rf7 24.bc6 bc6 (worse 24...Qc6 25.Rb6 Qc8 26.Qd5+-) 25.Rb7 (25.Qb4!?=) 25...Qb7-/+ 26.Rb7 Rb7 27.h4 (27.Qe5 Rf7=) 27...Rf7 (27...Ra5 28.h5 Rf7 29.h6+=) 28.h5 (28.Qe5 Rc8=) 28...gh5 (28...Re8 29.hg6 hg6 30.Qb2-/+) 29.Qe5 Ra2 (29...Rc8 30.Qe6 Rcc7 31.f3 ef3 32.gf3=+) 30.Qe8 (30.Qg5 Kh8 31.Qe5 Kg8 32.Qg5 Kh8 33.Qe5 Kg8=) 30...Kg7 31.Qc6 Rff2 (31...Rd2 32.Qd6 Rff2 33.Qe5 Kf8 34.c6 Rg2 35.Kh1 Rh2 36.Kg1 Rdg2 37.Kf1 Rf2 38.Kg1 Rhg2 39.Kh1=) 32.Qd5 (32.Qd7 Kg6 33.Qd6 Kg7 34.Qg3 Kf7 35.Qc7 (35.Qf2?? Rf2 36.Kf2 Ke7-+) 35...Ke8 36.Qe5 Kf8 37.Qd6 Ke8 38.Qe6 Kf8 39.Qd6 Ke8 40.Qe6 Kf8 41.Qd6=) 32...Rg2-/+ 33.Kh1 (33.Kf1 Rgf2 34.Ke1 Rae2 35.Kd1 Rd2 36.Qd2 Rd2 37.Kd2 Kf6-+) 33...Rgd2-+ 34.Qe5 Kg6?? (34...Kf8 35.Qf5 Ke7 36.Qh7 Kd8 37.Qh8 Kc7 38.Qe5 Kc6 39.Qe4 Kc5 40.Qe5 Kb4 41.Qe7 Kb3 42.Qf7 Kb2 43.Qf6 Kc1 44.Qc3 Kb1 45.Qb3 Rab2 46.Qa4-+) 35.Qe4 (35.Qe6 Kg5 36.Qe5 Kg4 37.Qf4 Kh3 38.Qf5 Kg3 39.Qf4 Kh3 40.Qf5 Kh4 41.Qf6 Kg4 42.Qf4 Kh3=) 35...Kg5 (better 35...Kf6 36.Qh4 Ke5 37.Qh5 Ke4 38.Qg4 Kd5 39.Qf5 Kc4 40.Qf1 Kc5 41.Qf8 Kc4 42.Qf7 Kc3 43.Qf6 Kc2 44.Qf5 Kc1 45.Qc5 Rac2 46.Qa3 Kb1 47.Qb4 Rb2-+) 36.Qf4= Kg6 37.Qe4 Kf6 38.Qf4 Ke6 (38...Ke7 39.Qc7 Ke6 40.Qc6 Ke5 41.Qe8 Kd5 42.Qh5 Kc6 43.Qf3 Kc5 44.Qf8 Kc4 45.Qf7 Kc3 46.Qf6 Kc2 47.Qf5 Kc1 48.Qc5 Rac2 49.Qa3 Kb1 50.Qb4 Rb2 51.Qa4-+) 39.Qh6 (better 39.Qe4!? Kd7 40.Qb7 Kd8 41.Qb8 Ke7 42.Qb7 Kf6 43.Qf3 Ke5 44.Qh5 Ke4 45.Qg4 Kd5 46.Qf5 Kc4 47.Qf1 Kc5 48.Kg1-+) 39...Kd5 40.Qh5 Ke4 (40...Kc6 41.Qe8 Kc5 42.Qe7 Kc4 43.Qf7 Kc3 44.Qf6 Kc2 45.Qf5 Kc1 46.Qc5 Rac2 47.Qa3 Kb1 48.Qb4 Rb2 49.Qa4-+) 41.Qg4-/+ Ke3 42.Qg5 (42.Qg1!? Kf4 43.c6-+) 42...Kd4 43.Qf4 (43.Qg1 Kd5-+) 43...Kc5 44.Qc7 Kd4 (44...Kb4 45.Qb7 Ka3 46.Qa7 Kb2 47.Qb6 Kc1 48.Qc5 Rac2 49.Qa3 Kb1 50.Qb4 Rb2 51.Qe4 Ka1 52.Qa4 Ra2 53.Qg4 Rh2 54.Kg1-+) 45.Qd7 Kc3 46.Qc6 Kb2 47.Qb5 Kc2?? (better 47...Kc1 48.Qc5 Rac2 49.Qa3 Kb1 50.Qb4 Rb2 51.Qe4 Ka1 52.Qa8 Ra2-+) 48.Qc4= Kb1 49.Qf1 Kc2 50.Qc4 Kd1 51.Qf1 Kc2 52.Qc4 Kb2 53.Qb4?? (53.Qb5 Kc1 54.Qc5 Rac2 55.Qa3 Kb1 56.Qb4 Rb2 57.Qe4 Ka1 58.Qa4 Ra2 59.Qg4-+) 53...Ka1-+ 54.Qd4?? (54.Qg4 Rab2 55.Qa4 Kb1 56.Qe4 Kc1 57.Qc6 Rbc2-+) 54...Rab2 (54...Rd4 55.Kg1 Rd1) 55.Qa4 Kb1 56.Qe4 Rbc2 (56...Kc1 57.Qc6 Rbc2 58.Qh6-+) 57.Qb4 Kc1 58.Qa3 Kd1 59.Qa1 (59.Qf3 Re2-+) 59...Rc1 60.Qe5?? (60.Qa4 Rdc2 61.Qd4 Ke2 62.Kg2 Ke1 63.Kf3 Rc3 64.Kg2 R1c2 65.Kg1 Rg3 66.Kh1-+) 60...Kc2 61.Qe1 Re1 0-1. persianempire (1930) - CaicoAmaral (1855), Rated Bullet game, lichess.org, 2013.

7.a4 Ne4 8.Be2 (8.Nc3 Bf5=) 8...Nd7 (8...dc4 9.Bc4 a5 10.b5=) 9.0-0+= f5 (9...dc4 10.Bc4 Nd6 11.Bd3=) 10.Nbd2 Ndf6 (10...a5 11.b5+=) 11.b5 (11.Ne5 Qd6 12.c5 Qe6+=) 11...e6 (11...Nd2 12.Nd2 Qc7 13.Rc1+=) 12.Ne5 (12.Ba3 Nc3 13.Qe1 Re8+=) 12...Nd2 13.Qd2 Ne4 14.Qc2 Bd7 (14...Be5 15.de5 cb5 16.ab5 dc4 17.Bd4+/– (worse is 17.Qc4 Nd2 18.Qf4 Nf1 19.Bf1 a6+=; 17.Bc4?! h6+–)) 15.a5 (15.Ba3!? Rf6 16.f3+/–) 15...cb5+= 16.cb5 f4 (16...Rc8 17.Qd1+=) 17.f3 (17.ef4 Rf4 18.a6 Rb8+=) 17...Ng5 (17...Rc8 18.Qd1 Nd6 19.Ba3 Bb5 20.Bb5 Be5 21.de5 Nb5 22.Bf8 Qf8 23.Qa4+/–) 18.h4 (better is 18.ef4!? Rf4 19.Qd2+/–) 18...Nf7= 19.Nd7 (19.ef4 Rc8 20.Qb3 Ne5 21.fe5 Qh4=) 19...Qd7 20.ef4 (20.a6 fe3 21.Qb3 Rae8=) 20...Nd6+= 21.g4 (21.Qa4!?+=) 21...Rf4 (21...Nb5 22.Qd2–/+) 22.Qd2 (22.b6 ab6 23.ab6 Rc8–/+) 22...Raf8 23.b6 (23.Qb4 Nc4! 24.Bc4 Bd4 (worse is 24...dc4 25.Qc4 Rd4 26.Bd4 Bd4 27.Kg2 Ba1 28.Ra1+=) 25.Bd4 Rd4–/+) 23...ab6–+ 24.ab6 Nc4 25.Bc4 dc4 26.Ra8 Bd4 (26...Ra8 27.Qf4 Qb5 28.Rf2 Qb6 29.h5–+) 27.Bd4–/+ Qd4 28.Qd4 Rd4 29.Ra7 (29.Rfa1 h5 30.gh5 gh5 31.Rf8 Kf8–/+) 29...Rf7–+ 30.Kg2 Rd3 0–1. Ostblom,Stig – Wedberg,Tom, simultan, Sweden 1974–11–20.

7.a4 e6 8.Be2 Qe7 (8...dc4 9.Bc4 Nd5 10.Qb3+=) 9.b5 Nbd7 10.0-0 c5 11.Nc3 b6 (11...dc4 12.Bc4 Rd8 13.a5+=) 12.dc5+/– bc5 (12...Ne4 13.Nd4 Nc3 14.Bc3 bc5 15.Nc6+–) 13.cd5 ed5 (13...Rd8 14.de6 Qe6 15.Qc2+/–) 14.Nd5+– Nd5 15.Bg7 Kg7 16.Qd5 Nb6 17.Qe5 Qe5 18.Ne5 Bb7? (better is 18...Re8!? 19.Nc6 Be6+–) 19.a5 Nd5 20.Rfc1 Rfe8 21.Nd7 Rad8 22.Nc5 Ba8 23.Bf3 Nf6 (23...Rd6 24.Rab1+–) 24.Ba8 Ra8 25.b6 ab6 26.ab6 Ra1 27.Ra1 Rc8 (27...Ne4 28.Ne4 Re4+–) 28.b7 Rb8 29.Rb1 Ne8 (29...h6 30.Na6 Rb7 31.Rb7+–) 30.Nd7 Rd8 31.b8Q Rd7 (31...Rb8 32.Rb8 Nd6+–) 32.Qe8 Rd2 33.Kf1 (33.Kf1 f6 34.Rb7 Kh6 35.Qf8 Kg5 36.h4 Kh5 37.Rh7 Kg4 38.Qc8 Rd7 39.Qd7 f5 40.Qd1) 1–0. DEFFM – GuestRFDJ, freechess.org, 2018.

7.b5 dc4 8.Bc4 cb5 9.Bb5 Qa5 10.Nc3 Ne4 11.Qa4+= Qa4 12.Ba4 Nc3 13.Bc3 Bd7 14.Bd7 Nd7 15.0-0 Rfc8= 16.Bb4 Kf8 17.Rac1 a5 18.Rc8+= Rc8 19.Ba5 Rc2 20.a3+/– Ke8 21.Bb4 Nf6 22.Ne1 Re2 23.Nd3 Nd5 24.Rb1 Nb4? 25.Kf1?? Nd5 26.Rb7 Ra2–/+ 27.Nc5 f5 28.Rb8 Kf7 29.Ra8? e5 30.Ra7–/+ Ne7 31.d5 Rd2 32.Ne6? Bf6–+ 33.Nc7 e4 34.a4 Be5 35.Ne6 Rd5 36.Ng5 Ke8 37.Nh7 Bc3 38.f3 Nc8?? 39.Rc7= Rd1 40.Ke2 Rd2 41.Ke1?? Rd7?? 42.Rc3+– Rh7 43.Rc8 Kd7 44.Rg8 ef3 45.gf3 Rh2 46.Rg6 Ra2 47.Rf6 Ra4 48.Rf5 Ke6 49.Rb5 Ra2 50.f4 Rh2 51.Kf1 Kf6 52.Rg5 Ra2 53.Rg2 Ra1 54.Kf2 Kf5 55.Kf3 Ra6 56.Rg5 Kf6 57.Re5 Ra1 58.Rd5 Ke6 59.Rb5 Ra3 60.f5 Kf6 61.Kf4 Ra4 62.e4 Rc4 63.Rb6 Ke7 64.f6 Kf7 65.Kf5 Rc8 66.Rb7 Ke8 67.e5 Rc5 68.f7 Kf8 69.Kf6 Rc8 70.e6 (70.e6 Re8 71.fe8R Ke8 72.Rb8#) 1–0. Palacios Sanchez,Gabriel – Fernandez Ruiz,Jose L, Sant Boi op–B, 2000.

7.b5 Bg4 8.a4 Nbd7 9.Be2 Qc7 (9...Rc8 10.cd5 Nd5 11.0-0=) 10.Nbd2 Rfe8 (10...cb5 11.cb5 Rfc8 12.0-0=) 11.Qc2 (11.Rc1 Qd6=) 11...Bf5 12.Bd3 (12.Qb3 e6=) 12...Bd3 13.Qd3 Rad8 14.Ne5 (14.cd5 cd5 15.0-0 Rc8=) 14...Nh5 (better 14...Ne5!? 15.de5 Ng4-/+) 15.Nd7= Rd7 16.bc6 bc6 17.c5 e5 18.0-0 e4 19.Qc2 f5 20.f3 Rf7 (20...ef3 21.Rf3 Nf6 22.Ra3=+) 21.f4 (21.fe4 fe4 22.Rf7 Qf7=) 21...Qe7 (21...Nf6 22.Qc3=) 22.Rfe1 (22.Ra3 Rb8=) 22...g5 23.g3 gf4 24.gf4 Qh4 25.Nf1 (25.Re2 Rb8=+) 25...Kh8 26.Rab1? (better 26.Re2=+) 26...Rg8-+ 27.Kh1 (27.Re2 Nf4 28.Ng3 Ne2 29.Qe2-+) 27...Bf6 28.Bc3 (28.Re2 Rfg7 29.Rg2 Rg2 30.Qg2 Rg2 31.Kg2 Qg4 32.Ng3 Qf3 33.Kg1 Qe3 34.Kf1 Qf4 35.Kg2 Qf3 36.Kg1 Nf4 37.Ne4 Ne2) 28...Rfg7 29.Nd2 (29.Ng3 Ng3 30.Kg1 Ne2 31.Kh1 Rg2 32.Re2 Qh2) 29...Rg2 30.Rg1 (30.Nf3 Qh3 31.Qf2 ef3 32.Qg2 Qg2) 30…Qh2 (30...Rh2?!=) 0-1. HoldsBear - FL4M (1895), Rated Blitz game, lichess.org, 2014.

7.Nc3 Qb6 8.a3 Bf5 9.Be2 Nbd7 10.–0 Rfe8 11.Rc1 Ne4 12.Na4 Qd8 13.cd5 cd5 14.Bb5 Nd6 15.Nc3 Nb5 16.Nb5 Nb6 17.Nd2 (better is 17.Nc7!?+/–) 17...Rc8 18.Re1 Rc1 19.Qc1 Bd3 20.Na7 (20.Nc7 Rf8 21.Ba1–/+) 20...Na4–+ 21.Nb3 Qa8 22.Nc5 Nb2 23.Qb2 Bc4 24.b5 Qa7 25.Qb4 b6 26.Ne4 (26.Na6 Qd7–+) 26...Rc8 (26...de4?! 27.Qc4 e5 28.Qc6–+) 27.Nd2 Bf8 28.Nc4 Rc4 29.Qb3 e6 30.e4 (30.Ra1 Rb4 31.Qd3 Qa4 32.ab4 Qa1 33.Qf1 Qc3–+) 30...Rd4 31.ed5 Rd5 32.a4 Qa5 33.Re2 (33.Kf1 Bc5 34.Re2 Rd4–+) 33...Qb4 (33...Rd4 34.h3–+) 34.Qc2 (34.Qb4 Bb4 35.g4 Rd1 36.Kg2 Ra1–+) 34...Rc5 35.Qd1 Rc4 0–1. Brix,Jan – Farmen,Paal (1660), Caissa CC–ch, 2004. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.Nf3)

7.Nc3 Qc7 8.Qb3 (8.Rc1 Be6 9.Ng5 Nbd7=) 8...dc4 9.Bc4 e6 (better is 9...b5!? 10.Bd3 a5 11.ba5 Be6+=) 10.0-0+/– Nd5 11.Rac1 Qd6 (11...Nc3!? 12.Bc3 Nd7+/–) 12.b5+– Qd8 13.Ba3 Re8 14.Ne4 Bf8 15.Ne5 (15.Nfg5 f5–/+) 15...Ba3 (15...a6 16.Bf8 Rf8 17.Qa3+/–) 16.Qa3 f6 17.Nd3 (17.Ng4 Rf8 18.Nd6 h5+–) 17...cb5 18.Bd5 ed5 19.Rc8! Qc8 20.Nf6 Kg7 21.Ne8 (21.Nd5?! Nc6+/–) 21...Qe8 22.Qd6 (22.Qb3 Nc6 23.Qb5 Qd7+–) 22...Qd7 23.Qe5 Kg8 24.Nc5 Qf7 25.e4 (better is 25.Ne6!? Qd7 26.Nc7+–) 25...Nc6+= 26.Qd5 Qd5 27.ed5 Nd4 28.Nb7 Rb8 29.Na5 (29.Nc5 Ne2 30.Kh1 Rd8+=) 29...Ne2 30.Kh1 Nc3 31.Nc6 Rb7 32.d6 (32.g4 Nd5 33.Rd1 Nc3=) 32...Ne4 (32...Rd7!? 33.g3 Rd6 34.Na7 b4–/+) 33.Ne7 (33.Kg1 Nd6 34.Rd1 Ne4=) 33...Kf7 34.Nc8 Rd7 35.g3 Nd6 ½–½. Bus,Konrad (1960) – Kyc,Jerzy (1690), Cztery pory roku w KKSz – ZIMA, 2012.

7.Nc3 Qd6 8.a3 Bg4 9.c5 Qe6 10.Be2 Bf5 (10...Nbd7 11.0-0=) 11.0-0 Ne4 (11...Bg4 12.a4=) 12.Nh4 Nc3 13.Bc3 Be4 14.f3 Bf5 15.Nf5 Qf5 16.Bd3 Qf6 17.Qb3 e6 18.Qc2 Nd7 19.e4 de4 (19...e5 20.de5 Ne5 21.Rad1+=) 20.Be4 (20.fe4!? Qg5 21.Rae1+/-) 20...Qf4 21.Rae1 e5 (21...Rad8!?=) 22.Bd2 (22.g3 Qh6 23.d5 Nb8+/-) 22...Qf6 (22...Qh4 23.d5 cd5 24.g3+=) 23.d5+/- Nb8 (23...cd5 24.Bd5 Qa6 25.a4+/-) 24.Qc1 (24.d6 Nd7+/-) 24...Qd8 25.Bg5 Bf6 (25...f6 26.Qc4 Kh8 27.Bh4+/-) 26.Bf6+- Qf6 27.f4 ef4 28.Rf4 Qg5 (28...Qd4 29.Kh1 Re8 30.g3+-) 29.Ref1 (better 29.Rf7 Qc1 30.Rf8 (30.Rc1? Kf7 31.Bf3 a5-+) 30...Kf8 31.Rc1+-) 29...cd5? (better 29...f5+-) 30.Rf7 Qc1 31.Rf8 (31.Rc1? Rf7 (31...Kf7?! 32.Bd5 Kf6 33.Rf1 Ke5 34.Bb7=; 31...de4?! 32.Rb7 Nc6 33.Rd1-+) 32.Bd5 Nc6-+) 31...Kg7 32.R8f7 (32.Rc1?! Kf8 33.Bd5 Nc6+-) 32...Kg8 33.Rf8 (better 33.Rc1 de4 34.Rb7+-) 33...Kg7 34.R8f7 Kg8 35.Rf8 (better 35.Rc1 de4 36.Rb7+-) 35...Kg7= 36.R8f7 ½-½. alkan (1610) – Mouratte, Rated Classical game, lichess.org, 2014.

7.c5 b5 8.a4 ba4 9.Qa4 Bb7 (9...Bf5 10.Be2+=) 10.Nbd2 (10.Bd3 Nbd7+/–) 10...Ne4 (10...Nfd7 11.Be2+=) 11.Bd3 (11.Ne4!? de4 12.Nd2+/–) 11...Nd2 12.Nd2 a6 (12...Nd7 13.0-0+/–) 13.0-0 h6 (13...Bc8 14.Nf3+/–) 14.Nf3 (14.Nb3 Bc8+/–) 14...Nd7 15.Qc2 Qc7 16.Ra5 Nf6 (16...Rfe8 17.Rfa1+/–) 17.Rfa1 Ng4 (17...Rfb8 18.Bc3+/–) 18.h3 Nf6 19.Qb3 (19.Ba6 Ba6 20.Ra6 Qb7+/–) 19...Ne4 (better is 19...Rfb8+/–) 20.Qc2 Bc8?? (20...Nf6 21.Ba6 Ba6 22.Ra6 Qb7+/–) 21.Be4+– de4 22.Qe4 (22.Ne5 Qb7+–) 22...Rb8 (22...Bf5 23.Qh4+/–) 23.Bc3 Bf5 24.Qh4 h5 (better is 24...g5 25.Qh5 Bg6+–) 25.Ra6 Bd3 (25...Bf6 26.Qg3 Qg3 27.fg3+–) 26.Ra7 Rb7 27.Ra8 (27.Rb7 Qb7 28.Ne5 Bc2+–) 27...Be2 (27...Bf6 28.Ng5 Rfb8 29.R8a3+–) 28.Ne1 (28.Ne5 Bf6 29.Qe4 Bb5+–) 28...Bf6 (28...Bc4 29.Rf8 Kf8 30.Qg5+–) 29.Qe4 Ra8 (29...Bc4 30.Qf3+–) 30.Ra8 Kh7 (30...Kg7 31.Qc2 Bc4 32.e4+–) 31.Nf3 Bf3 32.Qf3 (32.gf3?! Qd7+–) 32...Ra7 33.Ra7 Qa7 34.Qc6 (34.e4 Qa3+–) 34...Qa3 35.Be1 (better is 35.Kh2 Qc3 36.b5+–) 35...Qa1?? (better is 35...Qc1 36.b5 Qe1 37.Kh2 Kg7+/–) 36.Kf1+– Qa2 (36...Qb1 37.Qa6+–) 37.b5 (better is 37.Qf3+–) 37...Qc4 38.Kg1 Qe2? (38...Qc1 39.b6 Qe1 40.Kh2 Bh4+–) 39.Ba5 Qd1 (39...Kg7 40.g3+–) 40.Kh2 Qe2 41.Qf3 (41.Qf3 Qb5 42.Bc7+–) 1–0. grahamtrue – fishmooney, net–chess.com, 2017.

7.c5= c6 8.Be2 Nbd7 9.0-0 Ne4 10.Bd3 Ndf6 11.Be4 (11.Ne5 Nd7+=) 11...Ne4= 12.Ne5 f6 13.f3 (13.Nd3 Bf5=) 13...Ng5 (13...fe5!? 14.fe4 Rf1 15.Qf1 ed4 16.Bd4 e5-/+) 14.Nd3= Bd7 (14...Bf5 15.Qb3=) 15.Nc3 (15.Qb3 Qe8=) 15...Qc7 (15...e5 16.de5 fe5 17.e4=) 16.h4 (16.f4 Nf7=) 16...Nf7=+ 17.e4 e6 (17...de4 18.Ne4 Be6 19.Qe2=+) 18.Qe2 Rae8 19.a4 White plans b5 19...Qd8 20.b5 (20.h5 gh5 21.a5 Bc8=) 20...f5=+ 21.bc6? (21.e5 Qh4 22.Qf2 Qh5=+) 21...bc6?? (21...Bd4!? 22.Nf2 Bc6 23.h5-+) 22.g3? (22.e5 Qh4 23.Qf2 Qh5=+) 22...Bc8?? (better 22...Bd4 23.Kh2 Bc8-+) 23.e5= Ba6 24.Qh2?? (better 24.Bc1=) 24...Bd3-+ 25.Rfd1 Bc4 26.Rab1 (26.h5 gh5 27.a5 Qc7-+) 26...Bh6 (26...Qa5 27.Qd2-+) 27.f4 (27.Bc1 Bc1 28.Rdc1 Qc7-+) 27...Bg7 (27...Qa5 28.Qd2 Bg7 29.Kg2-+) 28.a5 (28.h5 g5-+) 28...Nh6 (28...Qa5 29.h5-+) 29.Ra1 Ng4 30.Qd2 Re7 31.Na4 Rb7 32.Bc3 Qe7 33.Rab1 (33.Rdb1 Rb5-+) 33...Rfb8 (better 33...Bb3 34.a6 Rb5 35.Rb3 Rb3 36.Ra1-+) 34.Rb7 Qb7 35.Nb2 Ba6 36.Nd3 Bd3 37.Qd3 Qb5 38.Rb1 0-1. tearlach - microcommega (1965), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.e3 Bg7 4.c5 d6 5.b4 0-0 6.Bb2 d5 7.Nf3)

7.c5 e5 8.de5 (8.Ne5 Nbd7 9.Nd7 Qd7+/-) 8...Nfd7+= 9.Nbd2 Re8 The pressure on e5 grows 10.Rb1 Ne5 11.Ne5 Be5 12.Be5 Re5 13.f4?? (better 13.Nc4 Re7 14.Nd6+=) 13...Re3-+ 14.Kf2 d4 (14...Ra3 15.Nf3-+) 15.Bc4 (15.Nc4 Qh4 16.Kg1 Qf4-/+) 15...Qh4 (15...b5!? 16.Be2 Qf6-+) 16.g3-/+ Qh3 (better 16...Qf6-/+) 17.Re1?? (better 17.Nb3=) 17...Qh2 18.Kf1 Bh3 0-1. OskarMatzerath – raowl, Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.c4 0-0 5.b4 c6 6.Bb2 d5 7.c5)

7.Nbd2 c6 8.a4 (8.Bd3 dc4 9.Bc4 Nd5=) 8...Nbd7 (8...Bf5 9.Be2=) 9.Qb3 (9.a5 Rb8=) 9...dc4 (9...a5 10.b5+=) 10.Nc4+= Nb6 (10...Nd5 11.Bd3+=) 11.Nb6= ab6 (11...Qb6 12.a5 Qd8 13.Bc4+=) 12.Bc4+= Nd5 (12...Bf5 13.0-0+=) 13.0-0 (13.e4 b5 14.ab5 Ra1 15.Ba1 Nf6 16.bc6 Ne4+/–) 13...Be6 (13...Bf5 14.Ne5+=) 14.e4 (14.Ng5 Bg4+=) 14...Nc7 15.Be6 Ne6 16.Rfd1 Nf4 17.Qe3 (17.d5 Qd7 18.Bg7 Kg7 19.dc6 Qg4+/–) 17...Ne6 (17...Bh6 18.Ne5+=) 18.d5 (better is 18.Bc3+=) 18...cd5? (18...Bb2 19.de6 Qe8+/–) 19.Bg7+– Ng7 20.Rd5 Qb8 (20...Qe8 21.b5+–) 21.Ne5 1–0. pcmvr (2560) – alexp (2110), net–chess.com, 2006.

7.Nbd2 Qe8 8.Be2+= (8.Bd3 Bf5 9.Bf5 gf5+=) 8...Ne4 (8...dc4 9.Bc4 Nd5 10.Qb3+=) 9.0-0 f5 (9...Nf6 10.Rc1+=) 10.cd5 (10.Rc1 Qd8+=) 10...cd5 11.Qb3 Nd2 (11...Qf7 12.Rac1+=) 12.Nd2+/– e6 (12...Qf7 13.Rac1+/–) 13.b5 (13.Rac1 Bd7+/–) 13...Nd7 (13...a6 14.Ba3 Rf7 15.Bd6+/–) 14.Nf3 Qd8 (14...Rf7 15.Ba3+/–) 15.a4 (15.Ba3 Rf7+/–) 15...b6 (15...Qf6 16.Rac1+/–) 16.Ba3 Re8 (16...Rf7 17.Rfc1+/–) 17.Bb4 (17.Rfc1 a6+/–) 17...a5 (17...Bb7 18.Rfc1+/–) 18.Bd6 Nf6 19.Be5 (19.Bf4 Bb7+/–) 19...Bb7 20.Rac1 Rc8 21.Bf4 (21.Rfe1 Qe7+/–) 21...Ne4+= 22.Qb2 (22.Qd3 g5 23.Rc8 Bc8+=) 22...g5 23.Rc8 Bc8 24.Be5 g4 25.Ne1 (25.Nd2 Be5 26.de5 Nd2 27.Qd2 Qc7+/–) 25...Be5 26.de5 Qc7 27.Nd3 Qc3 28.Qa2 (28.Rc1 Qb2 29.Nb2 Nc5+=) 28...Qc7 (28...Qd2!? 29.Qd2 Nd2=) 29.Rc1+= Qd8 (29...Qb7 30.Nf4+=) 30.Qb2+/– Bd7 31.Qd4 Kh8 (31...Qb8 32.Nf4+=) 32.Nf4+/– Kg8 (32...Nc5 33.Rc3+/–) 33.Bd3 (33.Nh5 Rf8+/–) 33...Nc5 34.Bc2 (34.Rc2 Qh4+/–) 34...Qg5 (34...Qh4 35.Nd3 Rc8 36.Bb1+=) 35.Kh1 (35.Nd3 Rc8+=) 35...Rc8 36.Bd1 (36.Bd3 Be8+=) 36...Kf7 (36...Qh4 37.Kg1+=) 37.Qb2 (37.Rc2 Qh4+=) 37...h5 38.f3 (38.Qe2!?=) 38...gf3+= 39.gf3 Rg8 40.Bc2 Qh4 41.Rf1 Qg5 42.Qa1 Be8 (42...h4 43.Rg1 Qg1 44.Qg1 Rg1 45.Kg1=) 43.Rg1 Qg1 44.Qg1 Rg1 45.Kg1 Kg7 46.Kg2 Kh6 (46...Kf8 47.Kg3 Ke7 48.h3+=) 47.Kg3 Kg5 (47...Bg6 48.h3=) 48.h4+= Kh6 49.Ne2 Nd7 (49...Bd7 50.Nd4=) 50.Nd4 Bf7 (50...Nc5!?+=) 51.Bf5+/– ef5 52.e6 (worse is 52.Nf5 Kg6 53.Ne7 Kg7–/+) 52...Be6 53.Ne6 Kg6 (53...Kh7 54.Nf4 Nf6 55.Nd3+–) 54.Nf4 Kf6 (54...Kf7 55.Nd5 (55.Nh5?! Ke6+–) 55...Ke6 56.Nf4 Ke5 57.Nd3 Kf6 58.e4 fe4 59.fe4+–) 55.Nh5 (55.Nd5?! Ke5 56.Nc3 Nc5+/–) 55...Ke5 56.Nf4 Nc5 (56...d4 57.ed4 Kd4 58.h5+–) 57.h5 Na4 58.Nd5! f4 (58...Kd5 59.h6 Passed pawn) 59.Nf4 Nc3 60.Kg4 (60.e4 Nb5 61.Nd5 Ke6 62.Nb6 Nc3+–) 60...Kf6 61.e4 a4 62.h6 Nb5 63.e5! Kf7 (63...Ke5 64.h7 Passed pawn) 64.e6 Kg8 65.Nd5 (better is 65.e7 Nd6 66.Ne6+–) 65...a3+/– 66.Nb4 (66.Nb6?? a2 67.Nd5 a1Q–+) 66...Nc7 67.Kf5 Kh7 68.f4 (68.Kf6 Kh6 69.Kf7 Nb5+/–) 68...Kh6 69.Ke5 (better is 69.Kf6!?+/–) 69...Kg7 70.f5 (70.Kd6 Ne8 71.Kd7 Nf6 72.Kc8 Ng8=) 70...Ne8= 71.Na2 b5 72.Nb4 Nf6 73.Kd6 Kf8 74.Kc5 Ne8 75.Kb5 Nd6 76.Kc6 Nf5 77.Kd7 Ne7 78.Na2 Nf5 ½–½. Khomeriki,Nino (2225) – Gavasheli,Ana (2120), 16. ch–EUR Indiv w, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 Qe8)

7.Nbd2 Ne8 8.Bd3 Nd6 9.c5 Nf5 10.0-0 Nh6 11.h3 Nd7 12.Re1 Nf6 13.a4 Nh5 (better is 13...Qc7!?+=) 14.g4+– Ng4 15.hg4 Bg4 16.Qc2 e6 17.Kh1 f5 18.Rg1 Qc7 19.Ne5 Nf6 20.a5 a6 21.f3 Bh5 22.Raf1 Nd7 23.Nd7 Qd7 24.f4 Qe7 25.Nf3 Bf6 26.Kg2 Kf7 27.Ne5 Be5 28.de5 h6 29.Rh1 Ke8 30.Qf2 Qg7 31.Bc3 Bg4 32.Qh4 Rh8 33.Qf6 Qf6 (33...Qg8!?+/–) 34.ef6+– Kf7 35.Kg3 Rag8 36.Rfg1 g5 37.Rh2 h5 38.fg5 Rg5 39.Kh4 Rg6 40.Be5 Rd8 41.Rf2 Rd7 (41...Rf6 42.Bf6 Kf6 43.Rgf1+/–) 42.Be2 Rd8 43.Rgg2 Re8 44.Bd3 Rgg8 45.Rf1 Rg6 46.Rfg1 Rgg8 47.Rc1 Rg6 48.Rf1 ½–½. Janek – Terry, internet, 2016.

7.Bd3 Nbd7 8.0-0 dc4 9.Bc4 Nb6 10.Bd3 Nfd5 11.a3 Bg4 12.Nbd2 e5 13.Qc2 (worse is 13.de5 Ne3 14.fe3 Qd3+=) 13...ed4 14.Bd4 Bd4 15.Nd4 Qe7 16.Be2 (16.h3 Be6+=) 16...Ne3 17.Qe4? (17.fe3 Qe3 Double attack) 17...Qe4–+ (17...Nf1?? 18.Qe7 Nd2 19.Bg4+–) 18.Ne4 Be2 (better is 18...Nf1!? 19.Bg4 f5 20.Kf1 fg4–+) 19.Rfe1–/+ Ng2! 20.Kg2 Bc4 21.Kg3 (21.Nc5!?–/+) 21...Rad8 22.Nc2 (22.Nf3 Na4–+) 22...Bd3 23.Rac1 Be4 24.Re4 Rd3 25.Re3 Rfd8 26.Ne1 Re3 27.fe3 Rd2 28.Nf3 (28.h3 f5–+) 28…Rd3 0–1. Jorissen,P – McAleer,J, NATO–chT Viborg, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5)

7.Be2 a5 8.b5 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Bd7 Nbd7 12.0-0 Ne4 13.Nbd2 Ndf6 14.a4 e6 15.Qb3 Nd2 16.Nd2 Qd5 17.Rab1 b5 18.Qb5 Qb5 19.ab5 Rfb8 20.Ba3 a4 21.Nc4 Bf8 22.b6 Ne4 23.Rb5 Ba3 24.Na3 Nd6 25.Rb4 Rb7 26.Rfb1 Rab8 27.f3 f5 28.Kf2 Kf7 29.h3 h5 30.Ra4 Rb6 31.Ra7 Kf6 32.Rb6 Rb6 33.Rd7 h4 34.g4 Rb2 35.Kg1 Nf7 36.Nc4 Ra2 37.e4 fe4 38.fe4 e5 39.de5 Ne5 40.Rd6 Ke7 41.Rd4 Nf3 42.Kf1 Nd4 43.e5 Nf3 44.Nd6 Ng5 45.Nc8 Ke6 46.Nb6 Ke5 47.Nc4 Kd4 48.Nd6 Nh3 49.Nf7 Nf4 50.Nh6 h3 51.g5 h2 52.Nf5 Ke4 53.Ng3 Kf3 54.Ne2 h1Q 55.Ng1 Ke3 56.Ke1 Qg1 0-1. Alibaba2014 (1930) - cukierek (1920), Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.c4 g6 5.b4 Bg7 6.Bb2 0-0)

7.Be2 a6 8.0-0 Bf5 9.Nc3 Nbd7 10.a4 dc4 11.Bc4 Nb6 12.Bd3 Bd3 13.Qd3 Nfd5 14.Nd5 (14.b5 c5=) 14...Nd5 (14...cd5 15.Nd2+=) 15.Qc4 Qd7 16.Rfd1 Rac8 (16...Qf5 17.Re1=) 17.Rac1 Rfd8 18.h3 e6 (18...Qf5 19.Re1 Nf6 20.Nd2=) 19.Ne5 (19.e4 Nf4+=) 19...Qe7= 20.Nd3 Bf8 21.b5 (21.Nc5 Rc7=) 21...Nb6 (better is 21...cb5!? 22.Qb3 Qd7 23.ab5 Qb5 24.Qb5 ab5–/+) 22.Qb3 ab5 (22...cb5!? 23.ab5 a5=) 23.ab5+/– Nd5 24.Nc5 (24.e4!? Nf6 25.bc6 Rc6 26.Rc6 bc6 27.Ne5+=) 24...b6 25.Nd3 cb5 26.Qb5 Qb7 (26...Qh4 27.Ne5+=) 27.Ne5 (27.e4 Ne7 28.f3 Bh6 29.Rc8 Nc8+=) 27...Bd6 28.Nc6 (28.Nc4 f5+=) 28...Re8 (28...Qd7!?=) 29.e4+= Nf4 30.e5 (30.Rc4 Rc7+=) 30...Bf8 31.g3 (31.Rc2 Rc7 32.Bc1 Rec8 33.Bf4 Rc6=) 31...Nd5= 32.Rc2 (32.Rc4 Ra8=) 32...Ra8 (32...Qd7 33.Ra1 Rc7 34.Ra7–+) 33.Rb1 (33.h4 Rec8 34.Rdc1 Ra2=) 33...Rec8 (33...Qa6 34.Qa6 Ra6 35.Bc1+=) 34.Bc1 (34.Rbc1 Qa6 35.Ne7 Ne7 36.Qa6 Ra6 37.Rc8 Nc8 38.Rc8 Kg7+=) 34...Qa6+= 35.Qa6 Ra6 36.Nb4?? (better is 36.Rb5 Raa8 37.Kg2+=) 36...Rc2–+ 37.Nc2 Ra2 (better is 37...Nc3 38.Rb2 Ne2 39.Kg2 Nc1–+) 38.Rb2= Ra4 39.Kf1 h5 40.Ke2 Bb4 (40...Be7 41.Bd2=) 41.Kd3 Ba5 42.Bd2 (42.Bg5 Kf8=) 42...Bd2 43.Kd2 Kg7 44.Kd3 Ra8 45.Ne3 Ra3 46.Kd2 Ne3 47.fe3 Ra1 48.Rb6 Rg1 49.e4 Rg3 50.d5 ed5 51.ed5 Rg5 52.d6 (better is 52.Ke3!?=) 52...Re5–/+ 53.Kd3 Kf6 54.Kd4 Re1 (54...Ra5!?–/+) 55.Kd5 (55.Rb8 Rd1 56.Kc5 g5=) 55...Rd1+= 56.Kc6 Ke6 57.Kc7 g5 (better is 57...f5 58.Rc6 f4=) 58.Ra6?? (58.Rc6 f5 59.Rc2 f4 60.Re2 Kf5+=) 58...Rc1?? (better is 58...f5 59.d7 Ke7–+) 59.Kd8+= g4? (better is 59...f5+=) 60.d7+– Kf5 (60...Ke5+–) 61.hg4 (61.Ke7 Rc7 62.Ra5 Kf4 63.Rh5 f5+–) 61...hg4 62.Ke7 (better is 62.Rd6+–) 62...Rc7= 63.Ke8 Rd7 64.Kd7 g3 65.Ra2 Ke4 66.Ke7 f5 67.Kf6 f4 68.Kg5?? (better is 68.Ra4 Ke3 69.Ra3 Ke4 70.Ra4 Ke3 71.Ke5=) 68...f3–+ 69.Kg4 f2 70.Ra4 Kd5 71.Rf4 (71.Ra5 Kc6 72.Ra6 Kb5 73.Kg3 f1Q–+ (73...Ka6?! 74.Kf2=)) 71...g2 72.Kh3 (72.Rf2 g1Q 73.Kf3 Qh1 74.Rg2 Qf1 75.Rf2 Qh3 76.Kf4 Qh6 77.Kg4 Qe6 78.Kf4 Qe4 79.Kg3 Qe3 80.Rf3 Qg5 81.Kf2–+) 72...f1Q (72...f1Q 73.Rf8 Qh1 74.Kg3 g1Q 75.Kf4 Qe4) 0–1. Shabanov,Nurlan – Heydarli,Kanan, Aydin Guseinov Memorial – Blitz, 2016.

7.Be2 Nbd7 8.0-0 Nb6 9.cd5 (9.c5 Nbd7+=) 9...Nbd5= 10.a3 a5 11.b5 cb5 12.Bb5 Qb6 13.a4 Bg4 14.Nc3 Nc3 15.Bc3 Ne4 16.Bb2 (16.Be1 Ng5 17.Be2 Nf3 18.Bf3 Bf3 19.Qf3 e5=) 16...Rfc8 (16...Bf3 17.gf3 (worse 17.Qf3 Nd2 18.Qg4 Nf1 19.Rf1 Rac8-/+) 17...Nd6 18.Ba3=) 17.h3 (17.Rb1 Bf3 18.gf3 Nd6=) 17...Bf3=+ 18.Qf3 (18.gf3!? Nd6 19.Qb3=+) 18...Nd2-/+ 19.Qe2 Nf1 0-1. negrovich1 (1860) - Kyrie_rs (1785), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 c6)

7.Be2 h6 8.Nbd2 Nbd7 9.0-0 Ne4 (9...dc4 10.Nc4 Ne4 11.a4+=) 10.Ne4+= de4 11.Nd2 f5 12.Qb3 Kh7 13.a4 c5 14.bc5 Nc5 15.Qc2 Na6 16.Bc3 e6 (16...Qc7 17.h4+/–) 17.g3 (17.c5 Nc7+=) 17...Rf7 (17...e5 18.Nb3+=) 18.Qb2 (18.h4 b6+/–) 18...Rb8 19.Rfd1 Nc7 20.Nb3 b6 (20...Bd7 21.Re1+=) 21.Qc2 (21.a5 Ba6+/–) 21...Bb7 22.a5 Qe7 23.ab6 ab6 24.Rdb1 e5 25.d5 Qd6 26.Nd2 Na6 27.Qb2 Bc8 28.Ra6 (better is 28.Nb3!?+/–) 28...Ba6= 29.c5 bc5 30.Qb8 Qb8 31.Rb8 Be2 ½–½. Michalak,Marek (2050) – Szydlowski,Wiktor (2000), Wisla Fianchetto op 5th Poland, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.d4 c6)

7.e4?? Nbd7?? 8.Be2? (8.e5 Ne4 9.cd5 cd5 10.Nfd2+=) 8...Re8?? (8...de4 9.Nfd2 a5 10.ba5 Qa5 11.Nc3–+) 9.0-0? (better is 9.e5!? Ne4 10.cd5 cd5 11.0-0=) 9...Ne4 10.Nbd2 Ndf6 11.Nb3 dc4 12.Bc4 Nd5 13.b5 Bg4 14.h3–/+ Bd7 15.Ne5 e6 16.Bd3+= Nef6 17.Nc5 Qc7 18.Rc1= Rac8 19.Ba3 Red8 20.Be4?? Nf4?? 21.Bb1 Be8–/+ 22.Qf3 Rd4–+ 23.Bb2? Rd2 24.Qf4 Rb2 25.Ncd3 Re2 26.Ng4 Qf4 27.Nf4 Rb2 28.Nd3 Rd2 29.Nge5 Re2 30.Nf3 Re4 31.Nc5 Rb4 32.Ne5? Nd5 33.Ned3 Rb5 34.Nb3 f5 35.Rfe1 Bf7 36.Ne5 Be5 37.Re5 Rb4 38.Nc5 Nf6 39.Ne6?? Be6 40.Re6 Kf7 41.Rce1 Re8 42.Re8? Ne8 43.a3 Ra4 44.Ba2 Kf8 45.Re3 c5 46.Bd5 b6?? 47.Bc6+/– Re4 48.Be4 fe4 49.Re4 1–0. Slabek,Grzegorz (2035) – Czyrnek,Stanislaw (1945), XIV Szachowe mistrzostwa miasta Limanowej, 2012. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4 c6)

7.e4?? de4!? 8.Ne5 Nbd7 9.Nd2 –+.

7.h3 Nbd7 8.Nbd2 Qc7 9.Be2 a6 10.Qc2 Qb8 11.a4 b6 12.0-0 Bb7 13.Rfc1 e6 14.c5 b5 15.Bc3 Re8 16.ab5 cb5 17.Bb2 Bc6 18.Bd3 Qb7 19.Nb3 Ne4 20.Ne5 Ne5 21.de5 Qc7 22.f4 Rf8 23.Nd4 Rfb8 24.Be4 de4 25.Nc6 Qc6 26.Rd1 Bf8 27.Qc3 a5 28.Ra5 Ra5 29.Rd6 Qc7 30.ba5 b4 31.Qd4 Qa5 32.c6 b3 33.Kh2 Be7 34.Rd7+/– Bh4 35.Bc3 Qa8 36.c7 Re8 37.Qd6 Kg7 38.Qb6 Qa2?? 39.Rd2 Qa4 40.Qb8 Qc6 41.Bb2 Be1?? 42.Qe8!! Qe8 43.Rd8 Qe7 44.c8Q Qh4 45.Rg8 Kh6+– 46.Qf8 (46.Qf8 Kh5 47.Rh8 Qg3 48.Kh1 Qh3 49.gh3 Kh4 50.Kg2 h5 51.Qe7 f6 52.Qf6 g5 53.Qg5#) 1–0. Kalashnikov,Konstantin (2380) – Kovalev,Evgeny (2245), Sibiria Region–ch, 2003.

8.b5 cb5 9.ab5 dc4 10.Bc4 b6 11.0-0+= Bb7 12.Nbd2 Ne4 13.Ne4 Be4 14.Ne5 Ra7 15.Qb3 e6 16.f3 Ba8 17.Rac1 Rc7 18.Nf7! Rff7 19.Be6 Rcd7 20.e4 Bb7 21.Kh1 Rde7 22.Ba3 Re6 23.Qe6 Nd7 24.Rfd1 Nf8 25.Qb3 Bh6 26.Rc3 Bf4 27.g3 Bb8 28.d5 Nd7 29.d6 Qf6 30.Bb2 Qd8 31.Rc6! h6 32.Qe6 Nf8 33.Qe5 Rh7 34.h4 Qd7+/– 35.Qd5 Rf7 36.Kg2 Ne6 37.Rd2 Ng7 38.Qc4 Bc6 39.bc6+– Qe6 40.Qd4 Qb3?? 41.f4 Kh7 42.d7 Bc7 43.d8Q Bd8 44.Qd8 Qc4 45.Qd5 b5 46.Be5 (46.Be5 Ne6 47.h5 gh5 48.Qc4 bc4 49.f5+–) 1–0. Kaenel,Hansjuerg (2355) – Zollbrecht,J (2295), MTO, Biel SUI, 2004. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d5 5.c4 c6 6.a4 0-0 7.d4)

8.b5 Nbd7 9.Qb3 e6 10.Nbd2 Ne4 11.Bd3 (11.Ne4 de4 12.Nd2 f5+=) 11...Nd2 12.Nd2 dc4 13.Bc4 Nb6 14.Be2 Nd5 15.0-0 e5 16.Nf3 e4 17.Nd2 Bf5 18.Rfc1 Rc8 19.Ba3 Re8 20.bc6 bc6 21.Rc5 (21.Rab1 Bd4 22.ed4 e3+/–) 21...Be6 22.Qb7?? Rc7?? (22...Ne3 23.Rb1 Nf5 24.Ne4–+) 23.Qa6?? (23.Qb1 Bf8 24.Ra5 Rd7+/–) 23...Qd7?? (23...Ne3 24.Rc6 Qd4 25.Rac1 Rc6 26.Qc6–/+) 24.Qa5?? Bf8?? 25.Rcc1?? Ra7+= 26.Qa7 Qa7–/+ 27.Bc5 Bc5–+ 28.Rc5 Nb4 29.Ne4–/+ Bd5?? 30.Nc3?? Nc2 31.Rb1 Kg7 32.Nd5= cd5 33.Rd5?? Qa4–+ 34.Bf3 Qa2 35.Rc1 Nb4 36.Rd7 Rf8 37.g3 Nd3 38.Rf1 h5 39.h4 Qd2 40.Be4 Ne1 41.Ra7 Qe2 42.Ra1 Nf3 43.Kg2 Nh4! 44.gh4 Qg4 (44...Qg4 45.Kh2 Qh4 46.Kg1 Qe4–+) 0–1. carocan (1765) – feniksi (1700), kurnik, 2011.

8.b5 Nbd7 9.Nc3 dc4 10.Bc4 Nb6 11.Bd3 Nbd5 12.0-0 Nb4 13.bc6 bc6 14.Be2 Rb8 15.Rc1 Qb6 16.Ne5 Nfd5 17.Ne4 f6 18.Nc4 Qd8 19.Nc5 Re8 20.Bf3 e5 21.de5 fe5 22.e4 Nf4 23.Qd8 Rd8 24.Rfd1 Nbd3? 25.Be5!+– Be5 26.Ne5 h5?? 27.Ned3 Nd3 28.Nd3 Ba6 29.Ne5 Rd1 30.Bd1 Rd8 31.Bb3 Kg7 32.Rc6 Bb7 (32...Rc8 33.Rg6 Kh7+–) 1–0. b4_player (2210) – ferda (2075), GameColony.com, 2003.

8.b5 Ne4 9.Nbd2 c5 (9...Bf5 10.Ne4 Be4 11.Nd2=) 10.Rc1 b6 11.cd5 Nd2 12.Qd2 Qd5 13.Bc4 Qd8 14.Qe2 Nd7 15.Bd5 Ra7 16.Bc6 Rc7 17.Bd7 Qd7 18.dc5 Bb2 19.Qb2 Rc5 20.Rc5 bc5 21.0-0 Qg4 22.Qc2 Bb7 23.h3 Qb4 24.Rb1 Be4 (24...Qe4!? 25.Qe4 Be4+/–) 25.Rb4+– Bc2 26.Rc4 Bb3 27.Rc5 Ba4 28.Nd4 Rb8 29.Kf1 Kf8 30.Ke2 Ke8 31.Kd3 Kd7 32.Kc4 e6 33.f4 Rc8 (33...h6!?+/–) 34.Rc8+– Kc8 35.Nc6 Bd1 36.Na5 Be2 37.Kc5 Bf1 38.g4 Bh3 (38...f5 39.g5+–) 39.g5 e5 40.fe5 Kd7 41.e4 Bg2 42.Kd5 Kc7 43.Nc4 Bh3 44.b6 Kd7 (44...Kb7 45.Kc5 Kc8 46.Nd6 Kd7 47.Nf7+–) 45.Nd6 Bg4 46.Ne8!! Be6 47.Kc5 Kc8 48.Nc7 (48.Nf6 Kb7+–) 48...Bb3 49.Kc6 Ba4 50.Nb5 Kb8 51.Kc5 Bb3 (51...Bc2 52.Nd6 Bb3 53.Kb4+–) 52.Nd6 Ba2 (52...Be6 53.Kc6 Bb3 54.Kd7 Ba4 55.Ke7+–) 53.Kc6 Be6 (53...Bb3 54.Kd7 Ba4 55.Ke7+–) 54.b7 (54.Nb7 Bc8 55.Nc5 Bh3 56.b7 Bc8 57.Na6 Ka7 58.b8Q Ka6 59.Qb6#) 54...Bb3 55.Kb6 Bc2 (55...Be6 56.Nb5 Bc8 57.bc8 Kc8 58.Nd6 Kd7 59.Nf7 Ke6+–) 56.Nc4 (56.Nc4 Be4 57.Na5 Bb7 58.Nb7+–; 56.Nf7 Be4 57.e6 Bd5 58.Ne5 Bb7 59.e7 Bc8 60.e8Q h5 61.Nc6 Ka8 62.Qc8#) 1–0. Kaenel,Hansjuerg (2390) – Leutwyler,Martin (2210), Saanen, 1994. (=1.Nf3 Nf6 2.e3 d5 3.c4 g6 4.b4 Bg7 5.Bb2 c6 6.d4 0-0 7.a4)

8.Bc4 Na6 9.Qb3 Nc7 10.0-0 b5 11.Bd3 Be6 12.Qc2 Nfd5 13.Qd2 (worse is 13.Qc6 Nb4 14.Qc3 Nd3 15.Qd3 Bc4–+) 13...a6 14.e4 Nb6 15.a5 (15.a5 Na4 16.Ra3=) 1–0. Feofanov,Alexander – Bereziy,Petr (1790), Omsk op, 2008.

8.Bc4 Nd5 9.Qb3 Nb6 10.Be2 Be6 11.Qc2 Nd5 12.Ba3 a5 13.b5 cb5 14.ab5 h6 15.Qd2 Nd7 16.0-0 Rc8 17.e4 N5f6 18.Nc3 Bb3 19.Rab1 a4 20.e5 Nh7 21.Bd1 Bd1 22.Nd1+= Nb6 23.Ne3 Nc4 24.Nc4+– Rc4 25.Rfc1 Qd5 26.Rc4 Qc4 27.Be7 Ra8 28.Qc1 Qc1 29.Rc1 Bf8 30.Bf8 Nf8 31.d5 Ra5 32.Nd4 a3 33.f4 Ra4 34.Nc2?? Rc4–/+ 35.Ra1 Rc2 36.Ra3 Rc5 37.e6? fe6–+ 38.de6 Ne6 0–1. Corona Garcia,T (2190) – Casares Cabanas,C (2115), TCh–ESP Premier North, Barcelona ESP, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.a4 d5 7.d4)

8.Qb3 e6 9.Bd3 Ne4 10.Nbd2 f5 11.0-0 Qe7 12.b5 Kh8 13.Be4 (13.cd5!? ed5 14.bc6 bc6 15.Ba3+/–) 13...fe4+= 14.Ne5 Ne5 15.de5 (15.Ba3 dc4 16.Qc2=) 15...Bd7 16.Rac1 Rf5 17.cd5 ed5 18.f4 ef3 19.Nf3 Raf8 (better is 19...a6=) 20.bc6 bc6 21.Bd4 (21.Ba3 Qe8 22.Bf8 Bf8+–) 21...a6 22.Bc5+– Qe6 23.Bf8 Bf8 24.Qd3 c5 25.Rfd1 Bc6? 26.Qa6+– g5 27.Nd4! cd4 28.Rc6 Qe5 29.Re6 Qg7 30.ed4 Qf7 31.Qe2 h6 32.h3 Bg7 33.Kh2 Qc7 34.Kh1 Qf4 35.Re8 Kh7 36.Qd3 h5 37.Re7 Kh6 38.Re6 Bf6 39.Rb1 g4 40.Rbb6 Kg5 41.Rb3 (41.Rb3 Qc1 42.Kh2+=) 1–0. carocan (1665) – kornelback (1705), kurnik, 2011.

8.b5 Re8 9.Be2 e5 (9...cb5 10.ab5 dc4 11.Nbd2=) 10.Ne5 (10.de5 Ng4 11.cd5 cd5 12.Qd5 Qe7+/–) 10...Ne5+= 11.de5 Ng4?? (11...Ne4!?+=) 12.cd5?? (better is 12.Bg4 dc4 13.Qd8 Rd8 14.Bf3+–) 12...Ne5+/– 13.dc6 bc6 14.Qd8 Rd8 15.Nd2 cb5 16.ab5 Nd3 17.Bd3 Rd3 18.Rb1 Be6 19.Bg7 Kg7 20.Ke2 Rad8 21.Rb2 h5 22.Ra1 R3d7 23.h3 f6 24.Rba2?? Rb8?? 25.Ra7+– Rb5 26.Rd7 Bd7 27.Ra7 Rd5 28.e4 Rd6 29.Nc4 Rd4 30.Nb6 Re4 31.Kf3 g5 32.Nd7 Re7 33.Rb7 Kg6 34.Nc5 g4 35.hg4 hg4 36.Kg3 Re5 37.Rc7 f5 38.f3 gf3 39.gf3 Rd5 40.Ne6 Kf6 41.Nf4 Rd4 42.Rc6 Ke5 43.Re6# 1–0. carocan (1695) – mafagalfo (1615), kurnik, 2012.

8.Nbd2 dc4 9.Nc4 Nb6 10.b5+=.

8.Nbd2 e6 9.Qb3 Ne4 10.Be2 Re8 11.0-0 b6 12.Rfd1 Nd6 13.Rac1 Bb7 14.c5 Nf5 15.b5 Rc8 16.Ba3 e5 17.e4 Nd4+= 18.Nd4 ed4 19.Bf3 cb5 20.c6 Rc6 21.Rc6 Bc6 22.ab5 Ba8 23.ed5 Nc5 24.Qc4 Nd7 25.d6?? Ne5–+ 26.Qb3 Bf3 27.Nf3 Nf3 28.Qf3 Be5 29.g3 Re6 30.Qd5 Qd7 31.f4 Bg7 32.Rc1 Re3?? 33.Rc7+– Qf5?? 34.Qf5 gf5 35.Rc8 (35.Rc8 Bf8 36.d7 Kg7 37.d8Q Re1 38.Kf2 Be7 39.Qg8 Kh6 40.Rc6 Re6 41.Re6 fe6 42.Be7 e5 43.Qg5) 1–0. Dobrzhanskaya,I (2085) – Forova,T (1855), 4th Open C Women, Moscow RUS, 2008. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6 7.a4)

8.Nbd2 Re8 9.Bd3 Qc7 10.Rc1 Qa5 11.a3 Ne4 12.0-0 f5 13.Nb3 Qc7 14.cd5 Qb6 15.dc6 bc6 16.bc6 Ndf6 17.Ne5 Be6 18.Bc4 Nd5 19.Nd7 Qc7 20.Ne5 Rab8 21.f3 Ne3 22.Qe2 Nc4 23.Rc4 Rb3 24.fe4 Be5 25.de5 Qb6 26.Bd4 Qa6 27.Rc2 Qe2 28.Re2 Rc8 29.ef5 Bf5 30.Rc1 Be4 31.Ba7 Rc6 32.Re4 Rc1 33.Kf2 Rc2 34.Re2 Rbb2 35.Rc2 Rc2 36.Kf1 Ra2 37.Bc5 e6 38.Bd6 Kg7 39.h3 Kh6 40.Kg1 Kg5 41.Kh2 Kf4 42.h4 h5 43.Kh3 Ra1 44.Kh2 Kg4 45.Be7 Kf5 0–1. karoo54 (1610) – paulminca, kurnik, 2012.

8.Nbd2 Re8 9.Be2= a6 (9...dc4 10.Nc4 Nb6 11.0-0=) 10.0-0+= Nf8 11.Qb3 dc4 (11...Be6 12.b5+=) 12.Bc4 Be6 13.b5 ab5 14.ab5 Qb6 15.bc6 Qb3 16.Bb3 bc6 17.Be6 (17.Ne5 Bd5+=) 17...Ne6= 18.Rfc1 Ra1 19.Ba1 Ra8 20.Nb3 Ra3 21.Nfd2 Ne4 22.Ne4 Rb3 23.g3 Ra3 24.Bc3 f5 25.Bb4 Ra4 26.Nc5 Nd4 (worse is 26...Rb4 27.Ne6 Rb6 28.Kg2+/–) 27.Na4 Ne2 28.Kf1 Nc1 29.Be7 Kf7 30.Ba3 Nd3 31.Ke2 Ne5 32.Bb2 Nd7 33.Bg7 Kg7 34.h3 Kf6 35.Nc3 Nc5 36.f4 h5 37.Kf3 Ke6 38.g4 hg4 39.hg4 Nd7 40.e4 fe4 41.Ke4 Nf6 42.Kf3 Nd5 43.Ne4 Nf6 44.Nf6 Kf6 45.Ke4 Ke6 46.Kd4 Kd6 47.Kc4 c5 48.f5 ½–½. Kaenel,H (2405) – Moloney,N (2125), Hilton Open, Zurich SUI, 1999. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.c4 c6 7.a4)

8.Qb3 Nbd7 9.Nbd2 a5 10.b5 cb5 11.ab5 (worse is 11.cd5 ba4 12.Qa3 Nb6–/+) 11...dc4 12.Nc4 Ne4 13.Be2 Be6 14.Qd3 Ndf6 15.0-0 Bf5 16.Qa3 Nd5 17.Rfc1 (17.Na5? b6–+) 17...Re8 18.Nfe5 (18.Na5? b6–+) 18...Nd6 19.Nd6 ed6 (worse is 19...Qd6 20.Qd6 ed6 21.Nc4+–) 20.Nc4 Bf8 21.Bf3 Be4 (21...Be6!?+/–) 22.Be4 Re4 23.Qd3 (23.Na5!? Qb6 24.Qb3 Ne3 25.Nc4 (25.fe3?! Ra5 26.Rf1 Re7 27.Ra5 Qa5+=) 25...Nc4 26.Ra8 (26.Rc4?? Ra1 27.Rc1 Rc1 28.Bc1 Re1; 26.Qc4?! Rae8=) 26...Nb2 27.Qb2 Qd4 28.Qd4 Rd4 29.Kf1+–) 23...Re8 24.Ba3 Re6 25.e4 Nf6 26.Nd2 Bh6 27.f3 Nh5 28.Rc2 d5 29.g3 de4 30.fe4 Bg7 31.Bb2 Qb6 32.Rc5 Rd8 33.Rd5 Rd5+= 34.ed5 Re8 35.Nc4 Qb5 36.Ra5 Qb4 37.Bc3 Qe7 38.d6 Qd8 39.Rb5 Qd7 40.Ne5 Qd6+= 41.Qc4 Be5 42.de5 Qc6 43.Rc5 Qf3 44.Qd5 Qe3 45.Kf1 Ng7 46.Bd2 Qa3 47.Rc7 Ne6 48.Rb7 Rd8 49.Rd7 Qa1 50.Kf2 Rd7 51.Qd7 Qh1 52.h4= h5 53.Qe8+= Kg7 54.Bh6+/– Kh7 55.Bf4 Qb7= 56.Qa4 Qb2 57.Ke3 Qc3 58.Kf2 Qd3 59.Be3 Qf5 60.Bf4 ½–½. Lebed,Petr (2090) – Novoselsky,Oleg (2260), Stepichev Memorial, 2002. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 c6 6.e3 d5 7.a4 Bf5)

8.Nc3 Nbd7 9.a5 e6 10.Be2 dc4 11.Bc4 Nd5 12.Qb3 Nc3 (12...Bg4 13.a6 Bf3 14.ab7=) 13.Qc3+= Be4 14.Be2 e5 15.0-0 Re8 (15...Bf3 16.Bf3 ed4 17.ed4+=) 16.Qa3 (16.a6 ed4 17.Nd4 Qg5+=) 16...Qe7 (16...Bf3 17.Bf3 ed4 18.ed4=) 17.Ne5 (17.Rfd1 ed4 18.Bd4 Bd4 19.Nd4 Qg5+=) 17...Ne5 18.de5 Be5 19.Be5 Qe5 20.f3 (20.a6 Qg5 21.f3 Bf5 22.ab7 Rab8 23.Qa7 Qe7+–) 20...Bf5 (20...Qh5 21.g4 (21.fe4?! Qe2 22.Qb3 Re6=) 21...Qh6 22.fe4 Re4 23.a6+–) 21.e4 (21.a6 b6 22.e4 Qd4 23.Rf2 Rad8=) 21...Rad8 (21...Qd4 22.Kh1=) 22.Rfd1 Be6 ½–½. Muri,Heinrich (2340) – Canibal,Jaromir (2235), EM/MN/044 ICCF Email, 2002.

8.Nbd2 Nbd7 9.Be2 Ne4 10.0-0 a5 11.b5 Nd2 12.Nd2 cb5 13.ab5 dc4 14.Nc4 b6 15.Bf3 Rc8 16.Rc1 Nf6 17.Ne5 Be4 18.Be4 Ne4 19.Nc6 Qd7 20.Qd3 Nd6 21.Rc2 Ra8 22.e4 Rfe8 23.Rd1 Nb7 24.Ba3 e6 25.Qf3 f6 26.e5 f5 27.d5 Bf8? (better is 27...ed5!? 28.Rd5 Qe6+/–) 28.d6+– Rec8 (28...Kh8+–) 29.Ne7 Be7 30.de7 Qe8 (30...Qb5 31.Qb7 Re8+–) 31.Rc8 Qc8 32.Qb7!! Qb7 33.Rd8 (33.Rd8 Kg7 34.e8Q+–) 1–0. Kaenel,Hansjuerg (2385) – Chocenko,Dmitrijus (2270), EU–Cup, 2006. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 d5 7.a4 Bf5)

8.Nbd2 Nbd7 9.Be2 Ne4 10.0-0 Ndf6 11.b5 (11.Ne4 Ne4 12.Nh4 Bc8=) 11...a6 (11...Rc8 12.Ne4 Ne4 13.Rc1=) 12.Qb3 (12.c5 ab5 13.ab5 Ra1 14.Ba1 cb5 15.Ne4 Be4+=) 12...ab5 (12...Nd2 13.Nd2 Qd7 14.Rfc1+=) 13.ab5+= Nd6 (13...Qd6 14.Ne4 Ne4 15.Ba3+=) 14.Ra8 Qa8 15.Ra1 Qb8 16.c5 (16.b6 dc4 17.Nc4 Be6+=) 16...Nb5 17.Bb5 cb5 18.Qb5 Qc7 19.Ra7 Rb8 20.Bc3 Nd7 21.h3 h5 (21...Qc8 22.Ba5+=) 22.Nb3 Bf6 23.Be1 (23.Qb4 Qc8 24.Ne5 Ne5 25.de5 Bg7+/–) 23...e5 (better is 23...Qc6!? 24.Qc6 bc6=) 24.de5+/– Ne5 25.Nfd4 (25.Ne5 Be5 26.Nd4 Bd7+/–) 25...Bd7+= 26.Qe2 Qc8 27.Nb5 (27.Bc3 b6 28.Qa6 Qa6 29.Ra6 Nc4+=) 27...Nc4 (27...Bb5 28.Qb5 Qc6 29.Qe2=) 28.Nc3 Bc6 29.e4 (29.Qd1 Qe6 30.Ne2 b6+=) 29...Qe6= 30.ed5 Qe2 (30...Bd5 31.Qe6 fe6 32.f3=) 31.Ne2 Bd5 32.Bc3 Bc3 33.Nc3 Bc6 34.Nd4 Rc8 (34...Re8 35.f3=) 35.Nc6 Rc6 36.Rb7 (36.Na4 b5 37.cb6 Nb6 38.Nb6 Rb6=) 36...Rc5 37.Ne4 Re5 38.f3 Rf5 (38...Ra5 39.Kh2=) 39.Rc7+= Ne5 40.Rc8 (40.Kf1 Nd3+=) 40...Kg7= 41.Nd6 (41.Rc5 h4=) 41...Rf4 42.Ne4 (42.Kf2 Rd4 43.Ne8 Kf8=) 42...Nd7 (42...f5 43.Nc5 Kf7 44.Rc7 Kf6 45.Rb7=) 43.Rc7 Nf8 (43...Nf6 44.Ng5 Ne8 45.Rd7+=) 44.Kf2+= Ne6 45.Ra7 h4 46.Ke3 Kg8 47.Re7 (47.Ra5 Kg7+=) 47...Rf5= 48.Nd6 Rf6 49.Ne4 (49.Ke4 Kf8 50.Re8 Kg7+=) 49...Rf5= 50.Nd6 ½–½. Kaenel,Hansjuerg (2325) – Gaehler,Marco (2335), SUI–chT, 2009. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.c4 c6 7.a4 Bf5)

8.Nbd2 Qd6 9.Qb3 Nbd7 10.h3 Bf3 11.Nf3 Rfe8 12.b5 Ne4 13.Bd3 (13.a5 e5 14.a6 Rab8 15.ab7 Rb7 16.cd5 cb5=) 13...Rac8 (better is 13...Ndc5!? 14.dc5 Nc5–/+) 14.0-0 (14.Rb1 e5 15.bc6 bc6=) 14...e6 (14...Ndc5 15.Qa3 Nd3 16.Qd3+=) 15.Rfc1 (15.Be4 de4 16.Nd2 f5+=) 15...Ndf6 (15...Ndc5 A) worse is 16.dc5 Nc5 17.Qc2 Bb2–+ (17...Nd3?! 18.c5 Qd7 19.Bg7 Nc1 20.Bd4+=); B) 16.Qa3 Nd3 17.Qd3=) 16.Ba3 Qb8 (16...c5 17.Qc2+=) 17.Rab1 h6 (better is 17...dc4 18.Rc4 cb5 19.ab5 Rc4 20.Bc4 Rc8+=) 18.Ne5?? (better is 18.bc6 bc6 19.Ne5+/–) 18...Nd2–/+ 19.Qb2 Nb1 20.Rb1 dc4 (20...cb5 21.Qb5 b6 22.a5+=) 21.Bc4 Nd5 22.bc6 Be5 23.cb7?? Rc4 24.de5–/+ a5 25.Bd6+= Nc7 26.Qb5?? Nb5–+ 27.Bb8 Rb8 28.Rb5 Rc7 29.Ra5 0–1. carocan (1700) – yelito (1810), kurnik, 2011.

8.Nbd2 Nbd7 9.Be2 a5 10.b5 c5 11.0-0 Rc8 12.Rc1 Re8 13.h3 Bf3 14.Bf3 e6 15.g3 Qb6 16.Nb3 e5 17.de5 Ne5 18.cd5 c4 19.Nd2 Nfd7 20.Bg2 Nd3 21.Nc4 Rc4 22.Qd3 Ra4 23.Ba3 Bf8 24.Bf8 Rf8 25.Rfd1 Qd6 26.Qc3 Rb4 27.Qc7 Qc7 28.Rc7 Rd8 29.Rb7 Nc5 30.Rc7 Na4 31.Ra1 Nb6 32.Ra5 Nd5 33.Bd5 Rd5 34.Raa7 Rf5 35.g4 Rf6 36.Ra6 Kg7 37.Rf6 Kf6 38.Rc6 Kg5 39.b6 h5 40.gh5 Kh5 41.Rf6 Kg5 42.Rf7 Rb6 43.Kg2 Rb5 44.Kf3 Ra5 45.Kg3 Ra4 46.Rd7 Rb4 47.Rd5 Kf6 48.h4 Ra4 49.f4 Ra3 50.Kf3 Ra1 51.h5 (51.h5 gh5 52.Rh5+–) 1–0. Rapport,R (2540) – Loew,Gera (2250), Gibraltar Open, 2012. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 c6 6.a4 d5 7.e3)

8.Nbd2 Nbd7 9.Be2 Re8 10.0-0 Ne4 11.Ne4 de4 12.Nd2 Be2 13.Qe2 f5 14.Nb3 e5 15.Rfd1 Qe7 16.b5 Rad8 17.Ba3 Qh4 18.bc6 bc6 19.Bd6 g5 (19...ed4 20.Nd4 c5 21.Nc6 Ba1 22.Nd8+=) 20.g3 (20.c5 Re6 21.Na5+–) 20...Qh3= 21.c5 Kh8 22.Rab1 Re6 23.f3 Rde8 24.fe4 ed4 25.Nd4 Re4 26.Qf1 Qf1 27.Rf1 f4 28.Nf5 (28.Nf5 fe3 29.Ng7 Kg7 30.Rb7=) 1–0. Bader,Gerard – Bertuli,Roger, France corr, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.a4 d5 7.d4 Bg4)

8.Nbd2 Ne4 9.Qb3 Nd2 10.Nd2 (worse is 10.Kd2 Bf3 11.gf3 e5+=) 10...Be6 11.Rc1 Nd7 12.Be2 Nb6 13.c5 Nd7 14.b5 Nf6 15.0-0 Ne4 16.Ne4 de4 17.Bc4 Bc4 18.Rc4 Qd5 19.Rb4 Rfd8 20.Rb1 Qb3 21.Rb3 e5 22.bc6 (22.de5!? Rd5 23.bc6 bc6 24.Rb7+=) 22...bc6= 23.de5 Rab8 24.Bd4 Rb3 25.Rb3 Be5 26.Rb4 a5 27.Rc4 f5 28.f3 ½–½. Kaenel,Hansjuerg (2385) – Sermier,Guillaume (2410), 1st Division, 2011. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 d5 7.a4)

8.Nbd2 Ne4 9.Qb3 Bf3 10.Nf3 (worse is 10.gf3 Nd2 11.Kd2 e5+=) 10...e6 11.Bd3 f5 12.g3 (12.0-0 Nd7+=) 12...Nd7 13.Ng1 Qb6 14.Rd1 Rae8 15.Ne2 Qd8 16.Ba3 Ndf6 17.f3 Ng5 (17...Nd6!?=) 18.0-0+= Nf7 19.b5 Nd6 20.bc6 bc6 21.Qb4 Nc4 22.Bc4 dc4 23.Qc4 Rf7 24.Qc6 Rc7 25.Qb5 Nd5 26.Qb3 Qg5 27.Rd3 Rec8 (27...Qh5 28.Bc5+/–) 28.e4+/– Rc2 (28...fe4 29.fe4 Qg4 30.Nf4 Nf4 31.Rf4+/–) 29.Rf2 fe4 30.fe4 Qg4 31.ed5 Re2 32.Qb7 Re1 (32...Rd8 33.Qf7 Kh8 34.de6 Re6 35.Bc5+/–) 33.Kg2 Rd8 34.Qf7 Kh8 35.Be7 Qe4 36.Rdf3 Rg8 37.d6 (better is 37.Qe6!? Qe6 38.de6 Re6 39.Bc5+/–) 37...Qd4+= 38.h4 (38.Qg7! Qg7 39.Rf7+/–) 38...Qd1?? (better is 38...e5=) 39.Qg7!! (39.Qg7 Kg7 40.Rf7 Kh6 41.Bg5 Kh5 42.Rh7 Kg4 43.Rf4) 1–0. Heinz,Juergen – Packroff,Hermann, DDR corr, 1987. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.a4 d5 7.d4 Bg4)

8.Nbd2 Ne4 9.Qc2 e6 (better 9...Bf5 10.Bd3 Nd2 11.Qd2 Bd3 12.Qd3 Qb6=) 10.Ne4+/- de4 11.Qe4 f5? (11...Bf3 12.Qf3 e5 13.de5+/-) 12.Qc2 (better 12.Qe6 Kh8 13.Ne5+-) 12...Nd7 13.Be2 f4 14.e4 (14.0-0 e5+/-) 14...Nf6 (14...e5 15.d5+/-) 15.Rd1 Nh5 (15...a5 16.Ba3+-) 16.h3 Bf3 17.Bf3 (worse 17.gf3 a5+/-) 17...Qe7 18.Bc3 Rad8 19.Qe2 (19.e5 Qd7+-) 19...Nf6 (19...e5 20.d5+- (20.Bh5?! ed4 21.Bd2 gh5+=)) 20.e5 Ne8 (20...Nd7 21.a5+-) 21.0-0 Nc7 22.Rfe1 (22.b5!? cb5 23.ab5 a6+-) 22...a6 23.Qe4 Rf5 24.Bg4 Rff8 25.b5! ab5 (25...ab5 26.ab5 Decoy; 25...cb5 26.Qb7 Pinning (26.Qb7 Deflection)) 26.cb5 (26.ab5 cb5 27.d5 Qf7+-) 26...cb5 (26...Nd5 27.Bd2+-) 27.Qb7 (27.Ba5 ba4 28.Qb7 Rd7+-) 27...ba4 (27...Rb8 28.Qc6 b4 29.Bd2+-) 28.Ba5 Rd7 29.Qc6 (29.Bb4 Qe8 30.Bf8 Bf8+-) 29...Re8 30.Bb4! Qf7 (30...Qb4 31.Qd7 Deflection) 31.Bd6 Nd5 32.Qa4 (32.Ra1 Bf8+/-) 32...h5 (better 32...Nc3!? 33.Qc6 Nd1 34.Bd1 Bf8=) 33.Bf3+/- Nc3 34.Qb3 (34.Qc2 Nd1 35.Be4 Kh7 36.Qd1 Bf8+=) 34...Nd1+= 35.Rd1 (35.Bd1?! Bf8 36.Bf8 Rf8=) 35...g5? (35...Bf8!? 36.Bc6 Bd6 37.Bd7 Qd7 38.ed6 Qd6+=) 36.d5 (better 36.Bc6+-) 36...ed5?? (better 36...Rd6 37.ed6 e5+-) 37.Bd5+- (37.Qd5?! Be5 38.Qf7 Kf7 39.Bh5 Kg8 40.Be8 Rd6 41.Rd6 Bd6=) 37...Re6 (37...Qd5 38.Qd5 Kh8+-) 38.Be6 Qe6 39.Qe6 Kh7 1-0. zembelek (2010) - amin2101 (2055), Rated Blitz game, lichess.org, 2014.

8.Nbd2 e6 9.Qb3 Qc8 10.h3 Bf3 11.Nf3 Nbd7 12.Bd3 Re8 13.0-0 a5 14.b5 dc4 15.Bc4 Nb6 (15...Rb8 16.Rfc1+/–) 16.Be2 cb5 17.ab5 Qd7 18.Ba3 Nfd5 19.Bc5 Nc8 20.b6 Nd6 21.Ne5 Be5 22.de5 a4? (better is 22...Ne4!? 23.Rfc1 a4=) 23.Qb2+– Ne4 24.Bb5 Qc8 25.Be8 Qc5 26.Ba4 Nec3 27.Bb3 Ra1 28.Qa1 Ne2 29.Kh1 Ndc3? 30.Qa8 Kg7 31.Qb7 Qe5 32.Qc7 (32.Qc7 Qb5 33.Kh2+–) 1–0. carocan (1815) – szymon672, kurnik, 2011.

8.Nbd2 e6 9.Qb3 Bf3 10.Nf3 Nbd7 11.Bd3 Rb8 12.0-0 b6 13.b5 c5 14.Rfd1 cd4 15.Nd4 Nc5 16.Qc2 Nd3 17.Rd3 dc4 18.Qc4 Qd5 19.Rc1 Qc4 20.Rc4 Rbc8 21.Nc6 Rc7 22.Rc2 Re8 23.f3 Nd5 24.Bg7 Kg7 25.Rcd2 a6 26.e4 Nf4 27.Rd7 Rd7 28.Rd7 ab5 29.ab5 Ne2 30.Kf2 Nc3 31.Ne5 Rf8 32.Rb7 Na4 33.Nd7 Rd8 34.Nb6 Nb6 35.Rb6 Rd2 36.Kg3 h5 37.h4 e5 38.Rb8 Rb2 39.b6 Kf6 40.Kh3 Rb3 41.b7 Rb2 42.g4 hg4 43.fg4 Rb3 44.Kg2 Rb4 45.g5 Ke7 46.Kf3 Rb3 47.Ke2 Rb4 48.Kd3 Kd7 49.Kc3 Rb6 50.Rf8 Rb7 51.Rf7 Kc6 52.Rb7 Kb7 53.h5 gh5 54.g6 h4 55.g7 h3 56.g8Q h2 57.Qh8 1–0. carocan (1645) – naraf (1810), kurnik, 2012.

8.Be2 a5 9.Qb3=.

8.Be2 Nbd7 9.Nc3 (9.Nbd2 a5=) 9...Bf3 (9...dc4 10.Bc4 e5 11.de5 Bf3 12.Qf3 Ne5 13.Qf4+=) 10.Bf3 Nb6 (10...dc4 11.a5=) 11.cd5 cd5 12.Qb3 e6 (12...Rc8 13.Rc1 e6 14.0-0=) 13.Be2 Rc8 14.0-0 Nc4 15.Rfd1 (15.Rfc1 Qd7=) 15...Re8 16.Rac1 Nb2 (16...Qb6 17.Nb1 Bf8 18.Bc4 Rc4 19.Rc4 dc4 20.Qc4 Qb4 21.Qc2=) 17.Qb2 Qe7 18.Rc2 Bf8 (18...Rc7 19.Nb5 Rc2 20.Qc2+=) 19.Rdc1 Rb8 (19...Rc7 20.Ne4 Rc2 21.Nf6 Qf6 22.Rc2=) 20.Bb5 (20.Na2 Ne4+=) 20...Red8 21.Na2 Qd6 22.Rc7 Ng4 23.g3 h5 24.Bd3 Bh6 25.Bg6?? fg6–+ 26.Qc2 e5 27.de5 Ne5 28.Rc5 Qe6 29.Kg2 h4! 30.f4 h3 31.Kf2 Ng4 32.Kf3 Re8 33.Re1 Ne3 34.Re3 Qe3 35.Kg4 Qe6 36.Kf3 Rbc8 37.Nc3 Bg7 38.Qe2 Qe2 39.Ne2 Rc5 40.bc5 d4 (40...d4 41.Nd4 Bd4–+) 0–1. Turcot,J – Gemende,G, corr, 1975.

8.h3 Bf5 9.Nc3=.

8.Bc4 e6 9.Nbd2 Nbd7 10.0-0 Nb6 11.a4 (11.Bd3 Qd5+=) 11...Nc4 12.Nc4 Re8 13.b5 Qd5 14.Ra3 (14.bc6 bc6 15.Rfc1 Ba6+=) 14...Bd7 15.b6 (15.Nce5=) 15...a6 (better 15...Bf8!? 16.Raa1 ab6=+) 16.Nfe5+/- Ne4? (better 16...Bc8+/-) 17.f3+- (17.Nd7?! Qd7 18.f3 Nd6+=) 17...Nf6 (17...Nd2 18.Nd2 Be5 19.de5 Qd2+-) 18.e4 (18.Nd7?! Nd7 19.Rd1 Red8+=) 18...Qd6 (18...Ne4 19.fe4 Qe4 20.Nd7 Bd4 21.Kh1 Red8 22.Nf6 Bf6 23.Bf6 Rd5+-) 19.Nd6 1-0. karsan (1695) - VALEK1948, Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 d5 3.e3 c6 4.c4 g6 5.b4 Bg7 6.Bb2 0-0)

8.Bc4 Bg4 9.Nbd2 Nbd7 10.0-0 Nb6 11.Be2 Nfd5 12.a4 Be6 13.Qc2 (better is 13.Nc4!?+=) 13...Nb4+= 14.Qd1 a5 15.Ne4 N4d5 16.Nc5 Bd7 (better is 16...Bc8!?=) 17.Nb7+/– Qc7 18.Nc5 Bg4 19.h3 Bf3 20.Bf3 (20.gf3?! e5=) 20...e5 21.de5 Be5 22.Be5 Qe5 23.Bd5 Qd5 (23...Nd5? 24.Nd7 Qe4 25.Nf8 Rf8 26.Rc1+–; worse is 23...cd5 24.Rb1 Rfc8 25.Rb5+=) 24.Qd5 cd5 25.Rab1 Nc4 26.Rfd1 Rfd8 27.Rb7 Nd6 28.Rb6 Nc4 29.Rb5 Na3 30.Rb7 Nc4 31.Nd7 Kg7 32.Rd5+/– Rac8 33.Rbb5 Na3? 34.Ra5+– Rc2 35.Ne5 Rd5 36.Rd5 Rc1 37.Kh2 Nc2 38.Rd7 Kf6 39.Nf7 Ke6 40.Ra7 Ra1 41.Ng5 Kf5 42.Nh7 Nb4 43.g4 Ke4 44.Kg3 Nd3 45.Ng5 Ke5 46.f4 Kd6 47.e4 Rg1 48.Kh4 Nf4 49.Nf7 Ke6 50.Kg5 Nh3 51.Kg6 Rg4+/– 52.Kh5 Re4 53.Ng5 (53.Ng5 Ng5 54.Kg5+–) 1–0. carocan (1740) – adam1616, kurnik, 2011.

8.Bc4 Bg4 9.Nbd2 Bf3 10.Nf3 e6 11.a4 Nbd7 12.0-0 Nb6 13.Be2 Nbd5 14.b5 cb5 15.ab5 Ne4 16.Ra2 Qd7 17.Rfa1 b6 18.Bd3 Nd6 19.Ba3 Rfc8 20.Bd6 Qd6 21.Bc4 Qd7 22.Bd5 ed5 23.h3 Bf8 24.Ne5 Qe8 25.Qd5 Bg7 26.Nc6 Rc7 27.Ra7 Rca7 28.Ra7 Rd8 29.Nd8 1–0. marvis (1705) – dusanvt, kurnik, 2012.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 Be6 11.Qc2 a5 12.ba5 Nc4 (12...Ra5 13.0-0=) 13.0-0 (13.Ng5 Bf5 14.e4 Ne4 15.Nce4 Nb2 16.Qb2 h6=) 13...Qa5= 14.a4 Nb2 15.Qb2 Rac8 16.Rac1 Rc7 17.Ne5 Nd7 18.f4 Ne5 19.de5 (19.fe5 f6 20.ef6 ef6=) 19...Qa7 20.Kf2 f6 (20...b6!?=) 21.Nb5+= cb5 (21...Qb6!? 22.a5 Qa5 23.Nc7 Qc7 24.ef6 ef6+=) 22.Rc7+/– fe5 23.Re7 ½–½. Sbraccia,Giovanni (2105) – Caprio,Guido (2185), Porto San Giorgio op, 2008. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.e3 d5 7.Qb3 Nbd7)

8.Nbd2 Nb6 9.Be2 dc4 10.Nc4 Be6 11.0-0 Ne4 12.Qc2 Bd5 13.a4 Nc4 14.Bc4 Nd6 15.Nd2 b5 (15...Nc4 16.Nc4 f5 17.f3=) 16.ab5 (16.Bd3!?+=) 16...Nc4= 17.Nc4 cb5 18.Na3 Rc8 19.Qe2 a6 20.Rfc1 Qb6 (20...Rc1 21.Rc1 f5 22.Rc5=) 21.Rc5 (21.e4 Qe6 22.Re1 Bc4=) 21...e6 22.Rac1 Bb7 23.Qc2 Rfd8 24.Rd1 (better is 24.Qd1!?=) 24...Bf8–/+ 25.Rc8 Rc8 (25...Bc8?! 26.Qc3 f6 27.e4=) 26.Qd2 Qd6 27.Bc3?? (better is 27.Nc2–/+) 27...Qc6–+ 28.d5 Qc3 (28...Qc3 29.Qc3 Rc3–+) 0–1. Choma,Juliana Luiza – Pulido Lopez,Diana Marcela, Pan American–ch U16 Girls, 2004. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6)

8.Nbd2 e6 9.Be2 b6 10.cd5 cd5 11.Rc1 Bb7 12.0-0 Rc8 13.b5 Rc1 14.Rc1 Qb8 15.a4 Rc8 16.Rc8 Qc8 ½–½. Bierbach,Utz Friedrich (1985) – Claus,Joachim (1965), Chiemgau Seniors–Cup 1st, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5)

8.Nbd2 Nbd7 9.h3 Be6 10.a4 a6 11.b5 ab5 12.ab5 Ra1 13.Ba1 cb5 14.cb5 Qa5 15.Bc3 Qa7 16.Bd3 Nb6 17.0-0 Rc8 18.Ra1 Qb8 19.Bb4 Nc4 20.Ng5 Nd2+= 21.Bd2 Bd7 22.b6 Bc6 23.Nf3 Qd6 24.Ne5 Nd7 25.Bb4 Qf6 26.Nc6 Qc6 27.Bd2?? Nb6 28.Rb1 Nc4 29.Bc4 dc4 30.Qb7 h5 31.Qc6 Rc6 32.Bc3 e6 33.Kf1 Bf6 34.Ke2 Kf8 35.e4 Ra6 36.Rb4+= Ra2 37.Ke3 Bg5 38.f4 Bh4 39.Rc4 Rg2 40.Rc8 Ke7 41.Bb4 Kd7 42.Rf8 Rg3 43.Ke2 f5 44.Rf7 Kc6 45.ef5 ef5–/+ 46.Rg7 Kd5 47.Bc5 Ke4 48.Bd6 Re3 49.Kf1?? Kf3 50.Kg1 Re1 51.Kh2 Re2 52.Kg1 Re1 53.Kh2 Re2 54.Kg1= Re1 (54...Bf2 55.Kh1 Re1 56.Kh2 Bg3) ½–½. carocan (1745) – mskoczekm (1800), kurnik, 2011.

8.Nbd2 Nbd7 9.h3 Bf3 10.Nf3 Re8 11.a4 Ne4? (11...Nb6 12.c5 Nbd7 13.Bd3+=) 12.Bd3 (12.cd5!? cd5 13.Qd5+/–) 12...e5 13.cd5 ed4 14.Bd4 Bd4= 15.Nd4 cd5 16.Qd5+/– Qf6?? 17.Be4+– Rad8 18.Bf3 Ne5+/– 19.Qe4 Nc6= 20.Nc6?? Re4 21.Be4? Qa1 22.Ke2 Qh1 23.Nd8 Qa1 24.Nb7 Qb2 25.Kf3 Qb4 26.a5 Kg7 27.g4 h5 28.Bd5 Qb5 29.e4 hg4 30.hg4 Kf6 31.Kg3 Kg5 32.f4–/+ Kh6 33.g5 Kh5–+ 34.Kf3 Qd3 35.Kf2 Kg4 36.Bf7 Qe4 37.Nc5 Qd4 38.Ke2 Qc5 39.Bg6 Kf4 40.Bd3 Qa5 41.g6 Qa2 (41...Qa2 42.Kf1 Qd2 43.Be2 Kg3 44.Kg1 Qe2 45.g7 Qd1) 0–1. carocan (1825) – alniro (1640), kurnik, 2011.

8.cb5 Qa5 9.Nc3 Bf5 10.Be2 Nbd7 11.a4 (11.0-0 Qb4 12.Qd2 Rfc8=) 11...Nb6 12.0-0 Rac8 13.h3 (better 13.Qd2 Kh8 14.Rfc1=) 13...Rc3-/+ 14.Bc3 Qc3 15.Rc1 Qb2 16.Rc7 Rc8 17.Re7 (17.Rb7 Ne4 18.Qe1 Nc3-+) 17...Rc2 (17...Nfd7 18.a5 Bf6 19.ab6 Be7 20.ba7-+) 18.Bd3-/+ Bd3 19.Qd3 Ne4 20.Re4 de4 21.Qe4 Na4 22.Qe8 (22.Qb7 Nb6-/+) 22...Bf8 23.Ng5 Rc7 24.b6 (24.Qb8!? Re7 25.Nh7 Kh7 26.Qf8-/+) 24...Nb6-+ 25.Nh7 Kh7 26.Qf8 a5 27.Qd6 Rd7 28.Qf4 a4 29.Qh4 Kg8 30.Qf6 (30.Qg5 a3 31.Qa5 Nc4-+) 30…a3 0-1. HoldsBear - pkr5025 (1630), Rated Blitz game, lichess.org, 2014.

8.cb5 Bd7 9.a4 Ne4 10.Nc3 Qa5 11.Qb3 Rc8 12.Rc1 Bf5 13.Be2 Nd7 14.0-0 Ndf6 15.Ne4 (15.Nd5!? Nd5 16.Qd5+/–) 15...Be4+= 16.Rc8 (16.Ba3!? Qd8 17.Qb4+=) 16...Rc8= 17.Rc1?? (better is 17.Ba3 Rc3 18.Qb4 Qb4 19.Bb4=) 17...Rc1–+ 18.Bc1 Bf3 19.gf3 Qe1 20.Kg2 Qc1 (21.Qb4 Qc7–+; 20...Qe2 21.b6 a6 22.Qb4–+) 0–1. Nielsen,JA – Vanicek,Z, corr ICCF EU–GT–42, 1969.

8.a3 dc4 9.Bc4 b5 10.Be2 Bb7 11.Ne5 Nbd7 12.Nd3 a4 13.Qd2 Qc7 14.f4 Rad8 15.Qc1 Qb8 16.0-0 Nb6 17.Nc5 Ba8 18.Qe1 Qc8 19.Qh4 Nbd5 20.Nd5 Nd5 21.Rf3 Nf6 22.f5 h5 (22...gf5!? 23.Raf1 Rd5+/–) 23.fg6 Qg4 (better is 23...fg6 24.Raf1 Qg4+–) 24.gf7 Rf7 25.Qg4 Ng4 26.Rf7 Kf7 27.Bg4 hg4 28.Rf1 Bf6 29.e4 Kg6 30.Ne6 Rg8 31.e5 Bg7 32.Rf4 1–0. Csatlos,Bela – Baranyai,Szabolcs (1975), HUN–chT2 Barcza, 2007. (=1.d4 Nf6 2.Nf3 g6 3.c4 d5 4.Nc3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5)

8.a3 Be6 9.cd5 cd5 10.b5=.

8.a3 Re8 9.Qb3 (9.b5 cb5 10.cd5 Nd5 11.Bb5 Nc6+=) 9...h6 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.Ne5 (10.b5 Qd6+=) 10...ab4= 11.ab4 Ra1 12.Ba1 Be6 (12...Nbd7 13.Nd7 Qd7 14.cd5 Nd5 15.Bc4=) 13.c5 (13.b5 Nbd7=) 13...Ng4 (13...Nbd7 14.Nd7 Qd7 15.b5=) 14.Nf3 Nd7 (14...Bf5 15.Be2=) 15.Bd3 Qc7 (15...Ngf6 16.h3=) 16.0-0 (16.b5 b6 17.cb6 Nb6 18.bc6 Ra8+= (< 18...Qc6 19.Bb5 Qa8 20.Be8 Qa1 21.Nd1 Qa5 22.Qc3+–)) 16...Rb8 (16...Ngf6 17.h3=) 17.Na4 (17.Bb2 Ngf6+=) 17...f5 (17...Ngf6 18.b5=) 18.Rc1 (18.b5 b6 19.cb6 Nb6+=) 18...Bf7 19.b5 Ra8 20.Bc3 (20.b6 Qc8+=) 20...e5 21.h3 Ne3 22.fe3 e4 23.Be2 ef3 24.Bf3 h5 25.Nb2 g5 26.b6+= Qb8 27.Rf1 g4 28.hg4+= fg4 29.Bd1 Qe8 30.Bd2 Qe7 31.g3 Ra1 32.Na4 Bg6= 33.Qb2 Rb1 34.Qa3 h4 35.Nc3 hg3 36.Kg2 Rd1 37.Rd1 Be4–/+ 38.Kg3 Be5 39.de5 Qe5 40.Kf2 Qh2 41.Ke1 g3 42.Ne4 de4 43.Qa2?? Kf8 44.Ra1 Qh1 45.Ke2 Qf3 46.Ke1 g2 (47.Qa8 Ke7 48.Qd8 Kd8 49.Ra8 Ke7 50.Re8 Ke8 51.Bb4 g1Q 52.Kd2 Qfe3 53.Kc2 Qgc1) 0–1. Werk,M – Kostic,R, Meister B TBB, 1997.

8.b5 cb5 9.Nb5 a4 10.Rc1 Nc6 11.Be2 Be6 12.cd5 Nd5 13.0-0 Nb6 14.Nc3 Nb4 15.a3+= Bb3 16.Qd2 Nc6 17.Ne4 Na5 18.Qb4 Nc6 19.Qb5 Bd5 20.Nc5 Na5 21.Bc3 Nb3 22.Nb3 Bc6 23.Qc5 Nd7 24.Qb4 ab3 25.Qb3 Qb6 26.Bb4 e6 27.Nd2 Rfc8+/– 28.Bf3 Bf3 29.Nf3 Rc6 30.d5 ed5 31.Qd5 Nf6 32.Rc6 Nd5 33.Rb6 Nb6 34.g4 Nd5 35.Rd1 Nb4 36.ab4 b5 37.Rd5 Bf8 38.Rb5 Ra4 39.Kg2 Rb4 40.Rb4 Bb4 41.Nd4 Kg7 42.Kf3 Kf6 43.h3 Kg5 44.Kg3 Bd6 45.f4+– Kf6 46.Kf3 Ba3 47.e4 Bc1 48.e5 Ke7 49.Ke4 Kd7 50.Nf3 Ke7 51.Ng5 h6 52.Nh7 Bd2 53.Nf6 Kf8 54.Nd5 Bc1 55.f5 gf5 56.gf5 Bb2 57.f6 Ke8 58.Kf5 Kf8 59.Nc7 Ba3 60.Nd5 Kg8?? 61.Ne3 Kf8 62.Ng2 Bc1 63.Nf4 Ke8 64.h4 Kf8 65.h5 Bb2 66.e6 fe6 67.Kg6 Ba3 68.Ne6 Kg8 69.f7 Kh8 70.f8Q Bf8 71.Nf8 Kg8 72.Nd7 Kh8 73.Kh6 (73.Kh6 Kg8 74.Kg6 Kh8 75.h6 Kg8 76.Ne5 Kf8 77.h7 Ke7 78.h8Q Ke6 79.Qf6 Kd5 80.Kf5 Kc5 81.Qc6 Kd4 82.Qc1 Kd5 83.Qc4 Kd6 84.Qc6 Ke7 85.Qe6 Kd8 86.Qd7#) 1–0. Tomashevsky,E (2590) – Evdokimov,Alexa (2500), Czech Open A, 2006.

8.b5 cb5 9.Nb5 Nc6 10.Be2 Bf5 11.0-0 Rc8 12.Qb3 Be4 13.Rfc1 dc4 14.Bc4 (worse 14.Rc4 Bd5-/+) 14...Bf3 15.gf3 Nd7 16.Be2 Nb6 17.f4 a4 18.Qd1 Qd7 19.Ba3 Ra8 20.Rab1 Nd5 21.Bg4 e6? (better 21...f5 22.Bf3 Rfc8+=) 22.Bf8+- Bf8 23.Bf3 Ra5 24.Nc3 Nce7 25.Ne4 Nf5 (25...Nc6 26.Rc4+-) 26.Nc5 Bc5 27.dc5 Nh4 28.Bh1 f5 29.Rb4! Ra8 (29...Nb4 30.Qd4 Double attack (30.Qd7 Pinning; 30.Qd7 Deflection; 30.Qd4 Decoy)) 30.Rd4 Rd8 31.Qa4 (better 31.Rb1+-) 31...Qa4+/- 32.Ra4 Nc3 33.Rd4 (33.Rc4!? Ne2 34.Kf1 Nc1 35.Rc1 Rd7+-) 33...Ne2+/- 34.Kf1 Nd4 (better 34...Rd4 35.Ke2 Rb4+-) 35.ed4 Rd7 36.Rc4 Kf8 37.Rb4 Ke7 38.Bb7 Kd8 39.a4 1-0. Pascua,H (2425) - Udani,I (2255), 46th Selangor Open, 2019. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 a5)

8.b5 cb5 9.Nb5 Nc6 10.Be2 h6 11.0-0 Be6 12.cd5 Nd5 (12...Qd5? 13.Nc7 Qd7 14.Na8 Ra8 15.Qa4+–; < 12...Bd5 13.Nc3+=) 13.Qd2 f5 14.Rfd1 Qd7 15.Ne5 Ne5 16.de5 Rfd8 17.Nd4 (17.Rac1 b6+=) 17...Nb4 18.Qe1 Bd5 (18...Na2? 19.Ne6 Qe6 20.Rd8 Rd8 21.Qa5+–; 18...Be5 19.Nf5! Qc7 20.Nh6 Kh7 21.Rdc1 Bh2 22.Kh1+=) 19.a3 Nc6 20.f4 Nd4 21.Bd4 Qe6 22.Rab1 Rdc8 23.Rb6 Qf7 24.Qg3 e6 25.Bf3 Bc6 26.Rdb1 Kh7 27.Bc6 bc6 28.Bc5 a4 29.Qe1 Ra7 30.Qc3 Bf8 31.Bd6 c5 32.Qc4 Bd6 33.ed6 Qd7 34.R1b5 Rc6 35.Rc6 Qc6 36.Qc5 Qd7 37.Rb8 Ra6?? 38.Qe5 (38.Qe5 Qg7 39.d7 Rd6 40.Qd6 Qa1 41.Kf2 Qe1 42.Ke1 g5 43.Qe6 Kg7 44.Rg8 Kh7 45.Qf7) 1–0. Savon,Vladimir A – Pribyl,Josef, Havana Armies–ch 4th, 1967.

8.b5 cb5 9.Nb5 Be6 10.c5 Nc6 11.Be2 b6 12.Rc1 Rc8 13.0-0 Ne4 14.cb6 Qb6 15.Rb1 Na7 16.Na7 Qa7 17.Nd2 Rb8 18.Bd3 Rfc8 19.Qe2 a4 20.Ne4 de4 21.Be4 Ba2 22.Rbc1 a3 23.Ba1 Bb3 24.Rc8 Rc8 25.Qd2 a2 26.Bd3 Qc7 27.e4 Qb6 28.e5 Bd5 29.Re1 Bg2?? (better is 29...Ra8+=) 30.Kg2+– Qb3 31.Be4 f5 32.ef6! Bf6 (32...ef6 33.Qa5 Combination; 32...Bf6 33.Re2 Combination) 33.Qa5 Kh8 34.Bd5 Qb8 35.Ba2 Qf4 36.Be6 Rc2 37.Qa8 Kg7 38.Qf3 Qg5 39.Qg3 Qa5 40.Qe3 Bg5 41.Qe5 Qe5 42.de5 Rc6 43.Bd5 Rc5 44.Rd1 Bf4 45.e6 Kh6 46.Kf3 Bh2 47.Kg4 Ra5 48.f4 Ra3 49.Bf3 Ra4 50.Bd4 1–0. Helbig,Andreas – Rosner,Dirk, DESC, 2000. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 a5)

8.b5 dc4 9.Bc4 cb5 10.Nb5 a4 (10...Nc6 11.0-0+=) 11.0-0 Bd7 (11...Nc6 12.Rc1+=) 12.Ba3 (12.Rc1 Nc6+=) 12...Ne4 (12...Nc6 13.Rc1+=) 13.Qc2 (13.Rc1 Nc6+/–) 13...Nf6 14.Rfc1 Nc6 15.Rab1 (15.Nc3+/–) 15...Na5 (15...Rc8!? 16.Qa4 Bf5+=) 16.Bd3+/– Nc6 (16...Nd5 17.Qd2 f5 18.Qd1+–) 17.Nc3+– b6 (17...Qb8 18.Qb2+–) 18.Nd2 (18.h3 Be8+–) 18...Re8 (18...Na5 19.Qb2+–) 19.Nc4 Rb8 20.Nb5 (20.Rb2 e5 21.d5 e4+–) 20...Ra8 (20...Be6 21.Qa4 Qd7 22.Qd1+/–) 21.h3 Rb8 (21...Nd5 22.Qd1+–) 22.Qa4 e5 (22...Rc8 23.Qd1+–) 23.Qc2 (23.Ncd6 Re7 24.d5 Na5+–) 23...e4? (better is 23...ed4!? 24.ed4 Ra8+–) 24.Bf1 (better is 24.Be2+–) 24...Nd5? (24...Bf8 25.Ncd6 Re7+–) 25.Ncd6 Re6 26.Ne4 (26.Bc4 Nce7 27.Nf7 Kf7 28.Be7 Re7 29.Bd5 Kf8+–) 26...Qh4?! (26...Na5 27.Ned6 Bh6 28.Qd3+–) 27.Nbd6 (27.Bc4 Ne3 28.fe3 Qe4 29.Qe4 Re4 30.Bf7 Kh8+–) 27...Bf8 (27...Ra8 28.Qb3 Nce7 29.g3+–) 28.g3 (better is 28.Bc4 Nce7+–) 28...Qh6 (28...Qh5 29.Be2 Qh3 30.Ng5 Ne3 A) 31.Nh3 Nc2 32.Rc2 Nd4–+ (32...Bd6?! 33.d5 Re2 34.Bd6 Rc2 35.dc6=); B) 31.Qc6 Bc6 32.Nh3+–) 29.Qb3 Bd6 (29...Ncb4 30.Nf7! Kf7 31.Bb4 Nb4 32.Rc7+–) 30.Bd6 (30.Qd5?! Ba3 31.Qd7 Bc1+/–) 30...Rbe8 (30...Nde7 31.Bb8 Nb8 32.Bg2+–) 31.Qd5 Re4 32.Rc6 Bc6 33.Qc6 g5 (33...R4e6 34.d5 Rd6 35.Qd6+–) 34.Rb6 R4e6 (34...Qe6 35.Bg2 f5 36.Qb5+–) 35.Qc7 (better is 35.d5 Re4 36.Bg2 R4e7+–) 35...Qg6 36.Bc5 (better is 36.Bc4 Rd6 37.Qd6 Qd6 38.Rd6 Rc8+–) 36...Rb6 37.Qb6 Qf5 (37...Qb6 38.Bb6 Rb8 39.Bc5+–) 38.Qb7 h5 (38...Qc2 39.Qd5+–) 39.a4 Re6 (39...g4 40.hg4 Qg4+–) 40.Qc8 Kh7 41.Bb6! h4 (41...Rb6 42.Qc5 Double attack (42.Qf5 Pinning; 42.Qf5 Deflection; 42.Qc5 Decoy)) 42.a5 (better is 42.d5 hg3 43.fg3 Qd5+–) 42...Qb1 (42...hg3 43.fg3 Qf3 44.Qc2 Kg8+–) 43.a6 Qe1 44.Qc2 (better is 44.a7 hg3 45.Qc2 Kg7+–) 44...Kh6 45.Qf5 (45.a7 Qa1 46.Qc8 Rb6 47.Qh8 Kg6 48.a8R Qa8 49.Bd3 f5 50.Qa8 g4 51.Qg8 Kf6 52.Qf8 Kg6 53.hg4 hg3 54.Bf5 Kg5 55.f4 Kh4 56.Qh8 Rh6 57.Qh6) 45...Rc6 (45...Rb6 46.Kg2 g4+–) 46.Bc5 Rg6 47.Qf7 Rg8 (47...Qf2 48.Kf2 hg3 49.Kg3 Rg7 50.Bf8 g4 51.Qg7 Kh5 52.Qg4) 48.Bf8 (48.Qg8 Qf2 49.Kf2 hg3 50.Kg3 g4 51.Bd3 gh3 52.Qg6) 48...Rf8 49.Qf8 Kh7 (49...Kg6 50.gh4 g4 51.a7 g3 52.a8Q Qf2 53.Qf2 gf2 54.Kf2 Kf6 55.Qf8 Ke6 56.Bb5 Kd5 57.Qf5 Kd6 58.Qe5) 50.a7 (50.a7 hg3 51.a8Q Qf2 52.Qf2 gf2 53.Kf2 Kg7 54.Bc4 g4 55.Qg8 Kf6 56.Qf7 Kg5 57.Qg7 Kf5 58.hg4 Ke4 59.Qe5) 1–0. Zenin,D (2310) – Soldatov,Arnold (2075), Moscow Open A, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5)

8.b5 Nbd7 9.Rc1 Nb6 10.c5 Nc4 11.Bc4 dc4+=.

8.b5 Nbd7 9.bc6 bc6 10.cd5 Nd5 11.Nd5 cd5 12.Bd3 (12.Rc1 Rb8 13.Ba3 Nb6=) 12...Nc5+= 13.Be2 Ne4 14.Rc1 Qd6 15.0-0 Rb8 16.Rc2 Bd7 17.Qc1 Rfc8 18.Bd3 Rc2 19.Qc2 Rc8 20.Qe2 Qb4 21.Rb1 Qa4 22.h3 Nd6 23.Rc1 (23.Ne5 Bf5+=) 23...Qa2 24.Ra1 Qb3 25.Ra5 Nc4 26.Bc4 dc4 27.Ra3 Qb4 28.Qd2 Qb7 29.Ne1 (29.Ne5 Be6+=) 29...Qd5 (29...Rb8 30.Bc3–/+) 30.Bc3 (30.Ra5 Qd6+=) 30...Rb8 (30...Ra8 31.Ra8 Qa8 32.f3+=) 31.f3 (31.Ra5 Rb5+=) 31...Qg5 (31...Qd6 32.Ra5+=) 32.Kh2 (32.d5 Qg3+=) 32...Bh6 (32...Qf6!? 33.Bb4 e5+=) 33.Nc2= Qd5 34.Bb4 (34.Nb4!? Qd6 35.f4=) 34...Bf5+= 35.Ra5? (35.Be7!? Bc2 36.Qc2+=) 35...Qd7 (35...Qb7 36.Bc3 Bc2 37.Qc2 Be3 38.Ra2–+) 36.Bc3 Bc2 37.Qc2 Be3 38.Rc5 (38.Qe4 Qd6 39.g3 Bf2–/+) 38...Qd6 (38...e5 39.Rc4 ed4 40.Qd1–+) 39.Kh1 (39.g3 Bd4 40.Bd4 Qd4 41.Rc4 Qe3–/+) 39...Qg3 (39...Bf4 40.g4 Qf6 41.g5–+) 40.Rc4–/+ Bf4 41.Kg1 Qh2 42.Kf2 Bg3 43.Ke3 Qg1 44.Kd3 Qf1 45.Qe2 Qb1 46.Qc2 Qb5 47.Bb4?? (better is 47.Qa2–/+) 47...Qf5–+ 48.Kd2 Qe6 49.Kd3 (49.Be7 Qe7 50.Rc8 Rc8 51.Qc8 Kg7–+) 49...Rb4! (49...Rb4 50.Rb4 Qf5 51.Kd2 Be1 52.Kd1 Qc2 (worse is 52...Bb4 53.Qf5 gf5 54.Ke2–+) 53.Kc2 Bb4–+) 0–1. Cox,John J (2335) – Liang,Awonder (2465), US Chess Masters, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5)

8.b5 Nbd7 9.cd5 cd5 10.Be2 (10.Bd3 Nb6+=) 10...Nb6= 11.0-0 Bg4 12.Ba3 Bf3 13.Bf3 Nc4 14.Bc1 e6 15.a4 Qe7 (15...Rc8 16.Ba3 Re8 17.Qc2=) 16.Qb3 (16.Nb1 Nd7=) 16...Rfc8=+ 17.Rb1 Bf8 (17...Rc7 18.Be2=+) 18.Rd1 (18.e4 de4 19.Ne4 Ne4 20.Be4 Nb6=) 18...Qb4 19.Ne2 (better 19.Qa2!? Qe7 20.e4=) 19...Qb3 (19...Nb6 20.g4 Qb3 21.Rb3-/+) 20.Rb3 Nb6 21.Nc3 Bb4 (21...Rc4 22.e4-/+) 22.Bb2 (22.Na2!?-/+) 22...Bc3-+ 23.Bc3 Na4 24.Be1 Nb6 25.Ra1 Nc4 26.Be2 b6 (26...a4 27.Rc3-+) 27.f3 Ne8 28.Kf2 (28.Ra4 Ned6-/+) 28...f6 (28...a4 29.Rb4 a3 30.Rb3-+) 29.e4 (29.Ra4 Ned6-/+) 29...Kf7 (29...a4 30.Rb4 a3 31.Rb3-+) 30.Bd3 (30.Ra4 Ned6-/+) 30...Ned6 (30...a4 31.Rb4 a3 32.Ra2-+) 31.Ra2 (31.Ra4 de4 32.Be4 Ne4 33.fe4 Nd6-+) 31...Ke7 (31...a4 32.Rb4-+) 32.Ke2 Kd7 (32...a4 33.Rb4-+) 33.Bg3 Nf7 (33...Rc7 34.Ra4-/+) 34.h4 Ncd6 35.Rb1 Rc3 36.Be1 Rcc8 37.Bd2 (37.Bg3 f5 38.e5-/+) 37...de4 (37...Nc4 38.Ra4-/+) 38.fe4 e5 39.d5 (39.Be3 Rab8-/+) 39...Nb7 (39...f5 40.ef5 e4 41.Bc2 gf5 42.Bf4-+) 40.Ke3 (40.Rf1!? Ke7 41.g4=+) 40...Nfd6-/+ 41.h5 (41.g4 Nc5 42.Bc2 Rf8-/+) 41...Nc4 (41...Nc5 42.hg6 hg6 43.Rh1-+) 42.Bc4 Rc4 43.hg6 hg6 44.Rh1 (44.Rf1 Nd6 45.Rf6 Re4 46.Kf2 Rd4 47.Rg6 Rd5-+) 44...Re8 (44...Nc5 45.Rh4-+) 45.Rh6 (45.Kf3 Nc5 46.Rh7 Re7-+) 45...Nd6 46.Rg6 Re4 (46...Ne4 47.Ba5 ba5 48.Ra5-+) 47.Kf3 (47.Kf2 Rd4 48.Rg7 Re7 49.Re7 Ke7-+) 47...f5 (47...Rd4 48.Rg7 Kd8 49.Be3-+) 48.Be3 Rb4 (48...a4 49.Rg7 Re7 50.Rg8 Nb5 51.Bb6-+) 49.Bb6-/+ Rb3 50.Ke2 Rb5 51.Ba5 Ra8?? (better 51...Nc8-/+) 52.Rg7+- Ke8?! (52...Nf7 53.Rf7 Ke8 54.Rf5 Rba5 55.Ra5 Ra5 56.Re5 Kd7+-) 53.Rg8 (53.Rg8 Kd7 54.Ra8 Rd5 55.Rd8 Ke7 56.Rh8+-) 1-0. Postny,E (2600) - Baldauf,Marc (2500), 1st Abu Dhabi Super Blitz blitz, 2020. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5)

8.b5 Ne4 9.Rc1 (9.Ne4 de4 10.Ng5 f5+=) 9...Nd7 10.cd5+= Nc3 11.Rc3 cd5 12.Be2 (12.Bd3 Nf6+=) 12...Nf6 13.Ne5 Ne4 14.Rc1 a4 15.0-0 Nd6 (15...a3 16.Ba1+=) 16.Ba3 Bf5 17.Qe1 f6 18.Nf3 Re8 19.Qc3 Bf8 20.Qb2 Qd7 21.Nd2 Rec8 22.b6 Rc1 23.Rc1+= Rc8 24.Rc8 Nc8 25.Bc5 Nd6 26.Qb4 Qc6 27.h3 Kf7 28.a3 Bd7 29.Bd6 Qd6 30.Qd6 ed6 31.Nb1 Be7 32.Nc3+– Ke6 33.Bd1 Bd8 34.Ba4 Ba4 35.Na4 Kd7 36.Kf1 Kc6 37.Ke2 Kb5 38.Nc3 Kc4 39.Kd2 Bb6 40.Kc2 Ba5 41.Nd1 Kb5 42.Nb2 g5 43.g4 Be1 44.f3 Kc6 45.Kd3 Ba5 46.e4 de4 47.fe4 Kb5 48.Kc2 Kc6 49.Nc4 Bc7 50.Ne3 Kb5 51.Kb3 Bb6 52.a4 Ka6 53.Nf5+– Bc7 54.Kb4 Kb6 55.Ne3 Ka6+/– 56.Nc4 Bb8 57.Na3 Kb6 58.Nb5 Kc6 59.Nc3+– Ba7 60.Kc4 Bb6 61.Nd5 Bd8 62.Kb4 Kd7 63.Kb5 Kc8 64.Nb6 Kc7 65.a5+– Kb8 66.a6 Bb6+/– 67.Kb6 ba6 68.Ka6 d5+/– 69.ed5 Kc7 70.Kb5 Kd6 71.Kc4 f5? 72.gf5+– h5 73.Kd3 (73.Kd3 Kd5 74.Ke2+–) 1–0. Bagirov,Vladimir – Gulko,Boris, Moscow, 1973. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5)

8.b5 Be6 9.c5 Bg4 10.Be2 cb5 11.Nb5 Nc6 12.h3 Bf5 13.0-0 b6 14.Rc1 Rc8 15.Qb3 Ne4 16.Rfd1 Rb8 17.a4 Qd7 18.cb6 Rb6 19.Ne5 Ne5 (19...Ne5 20.de5 Rd8=) 0–1. Rinaldi,Francesco S (1850) – Van den Abbeele,Willy, IECG, 2000. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.c4 c6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 a5)

8.b5 Bg4 9.h3 Bd7 10.a4 b6 11.Rc1 cb5 12.cb5 Bf5 13.Nh4 e6 14.Nf5 ef5 15.Qb3 f4 16.ef4 Qe7 17.Be2 Qb4 18.Qb4 ab4 19.Nd1 Ra4 20.0-0 Ne4 21.Ne3 Ra2 22.Nd1 Nd2 23.Re1 Nb3 24.Rc7 Bd4 25.Bd4 Nd4 26.Bd3 Rd2 27.Bf1 b3 28.Nc3 Ne6 29.Rb7 Nf4 30.Rb6 Rc8 31.Rb7 Ne6 32.Na4 Ra2 33.Nc3 Rd2 34.Na4 Rd8 35.Rb1 Rd4 36.Nc3 Rb4 37.Nd5 Rd5 38.Rb8 Kg7 39.Rc8 Rc5 40.Rc5 Nc5 41.f3 b2 42.Be2 Na4 43.Bd3 Nc3 44.Re1 b1Q 45.Bb1 Nb1 0–1. Reissner – Keck, 1988.

9.ab4 Ra1 10.Qa1 dc4 11.Bc4 Qb6 (11...b5 12.Bb3=) 12.b5 (12.Qa5 Qd8+=) 12...cb5= 13.Bb5 Bg4 14.Ne5 Be6 15.Qa4 Nc6 16.0-0 (16.Nc4 Bc4 17.Qc4 Na7=) 16...Ne5 17.de5 Ng4 18.Ne4 Ne5 19.Bd4 Qc7 20.Qa1 f6 (20...Ng4 21.Ng3 Bd4 22.Qd4=+) 21.Nc5 (21.Be5 Qe5 22.Qe5 fe5=) 21...Bf7=+ 22.f4 (22.Rc1 Rc8=+) 22...Nc6-/+ 23.Bc3 (23.Rc1 e5 24.Bb2 Rc8-/+) 23...Qb6 24.Bc6 Qc6 25.Qa3 (25.Bd4 Re8 26.Nd3 Qb5-/+) 25...b6-+ 26.Na6? (better 26.Nd3-+) 26...Ra8 27.Ra1 (27.Bd4 Bc4 28.Nb4 Qg2 29.Kg2 Bf1 (worse 29...Ra3 30.Rc1 b5 31.Rd1-+) 30.Kf1 Ra3 31.Bb6 Rb3-+) 27…Bc4 0-1. tatalimov (2035) - mrz1351 (2105), Rated Blitz game, lichess.org, 2014. (=1.d4 c6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d5 5.e3 Nf6 6.b4 0-0 7.Bb2 a5)

9.ab4 Ra1 10.Qa1 Be6 11.c5 Nbd7 12.Bd3 b6 13.Ne2 (13.b5 bc5 14.bc6 c4=+) 13...Qa8 14.0-0 Qa1 (14...bc5!? 15.dc5 Qb7=) 15.Ra1+= bc5 16.bc5 Rb8 (16...Ne4!? 17.Ra2 Rb8+=) 17.Bc1+= Ne4 18.Rb1 Rb1 19.Bb1 Nb8 20.Nd2 Nd2 21.Bd2 Bc8 22.f4 Bf5 23.Bf5 gf5 24.Nc1 Kf8 25.Ba5 Ke8 26.Nd3 Kd7 27.Kf2 Kc8 28.h3 Nd7 29.Nb4 Kb7 30.Bd8 e6 31.g4 fg4 32.hg4 Nf6 33.Bf6 Bf6 34.Kg3 Kc7 35.g5 Bg7 36.Kg4 Kd7 37.Nd3 Ke7 38.Ne1 h6 39.Nf3 hg5 40.fg5 f6 41.gf6+/– Bf6 42.Ne5 Be5?? 43.de5+– Kf7 44.Kh5 Kg7 45.Kg5 Kf7 46.Kh6 1–0. Prins,J (2065) – Campbell,E (1910), Guernsey Open, Guernsey GCI, 2009.

9.ab4 Ra6 10.c5 Ra1 11.Qa1=.

9.ab4 dc4?? 10.Bc4 (10.Ra8 Nbd7+–) 10...b5?? (better is 10...Ra1 11.Qa1 b5+=) 11.Ra8+– Bb7 12.Ra7 Qb6 13.Rb7 Qb7 14.Bd3 Na6 15.Qb3 Nd5 16.Nd5 cd5 17.0-0 e6 18.Ra1 Ra8 19.Ra5 Nc7 20.Qa3 Rc8 21.Nd2 e5 22.Nb3 e4 23.Nc5 Qc6 24.Be2 h5 25.Na6 Qc2 26.Bf1 Ne6 27.Rb5 Rd8 28.Nc5 Ng5 29.Qb3 Qb3 30.Nb3 Ne6 31.Nc5 Nc7 32.Rb7 Ne8 33.Rd7 Rb8 34.b5 Nf6 35.Rb7 Rd8 36.b6 Bf8 37.Ra7 Bc5 38.dc5 Nd7 39.Bd4 f6 40.b7 Rb8 41.Ra8 Kf7 42.Bb5 Rb7 43.Ra5 Nb8 44.g3 g5 45.c6 Rc7 46.Ra7 Ra7 47.Ba7 (47.Ba7 Nc6 48.Bc6+–) 1–0. eddieteijeiro (2155) – ivos (1965), net–chess.com, 2007.

9.b5 cb5 10.cd5 Nb6+=.

9.b5 dc4 10.Bc4 Nb6 11.Be2 cb5 12.Nb5 Be6 13.0-0 Nc4 14.Bc3 (14.Rc1 Nb2 15.Qc2 Nc4 16.Bc4 Rc8+=) 14...Ne4 (better 14...Bd5=) 15.Rb1 (better 15.Rc1 Rc8 16.Qa4=) 15...Na3!-/+ 16.Na3? (better 16.Rc1!? Nb5 17.Bb5-/+) 16...Nc3-+ 17.Qc2 Nb1 18.Rb1 b6 19.e4 (19.Nc4 Qc7-+) 19...f5 (19...Bg4 20.e5-+) 20.Ng5 (20.Bc4 Bc4 21.Nc4 Rb8-+ (worse 21...Bd4 22.Rd1 Bf2 23.Kf2-/+)) 20...Bf7 (20...Rc8 21.Nc4 Bf7 22.Nf7 Rf7 23.d5-+) 21.d5? (better 21.Nf7!? Kf7 22.Nb5-/+) 21...fe4 (better 21...Rc8 22.Qa2-+) 22.Qe4? (22.Nf7 Rf7 23.Qe4-+) 22...Bd5 23.Bc4 e6 24.Bd5 Qd5 (24...ed5?! 25.Qe6 Kh8 26.Nf7 Rf7 27.Qf7-+) 25.Qe6 Qe6 26.Ne6 Rf6 27.Rb6 (27.Ng7 Kg7 28.Rd1-+) 27...Re8 28.Ng7 (28.f3 Rfe6 29.Re6 Re6 30.Kf2-+) 28…Re1 0-1. Orsenyi_Yaitzenuh (1810) - kkk68 (2050), Rated Classical game, lichess.org, 2014.

9.cd5 cd5 10.Be2 Nb6 11.0-0 Bg4 12.Rc1 Nc4 13.Bc4 dc4 14.Qe2 ab4 15.ab4 Qd6 16.Qc4 Rfc8 17.Qb5 Bd7 18.Qe2 (18.Qb7? Rcb8 19.Ne4 Rb7 20.Nd6 ed6–+) 18...Qb4 19.e4 Qb3 20.Ne5 Be8 21.Nd3 Qb6 22.e5 Nd7 23.Nd5 Qd8 24.Rc8 Rc8 25.Ba3 Nc5 (better is 25...Bf8!?+=) 26.Ne7!+– (26.Bc5?! Qd5 27.Rb1 Bc6+=) 26...Qe7 27.Bc5 (27.dc5 Bb5 28.Rd1 Rd8+=) 27...Qd8 28.Nf4 Bh6 29.Qg4 Bd7 30.Qg3 Kh8 31.h4 Bf5 32.Bd6 Qa5 33.Nh3 (better is 33.h5!?+/–) 33...Rc3= 34.Qh2 Qa6 35.Ng5 Qc4 36.Qf4 Bg5? (better is 36...Kg8+–) 37.Qg5 (37.hg5?! Kg8+–) 37...Qc8 (37...Qd4?? 38.Qd8 Kg7 39.Qf8) 38.Qh6 (better is 38.h5!? Kg8+–) 38...b5?? (better is 38...Kg8+–) 39.Bf8 (39.Bf8 Qf8 40.Qf8) 1–0. Ghane Gardeh,Shojaat (2205) – Mallahi,Amir (2300), Fajr op, 1997. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 a5)

9.Be2 dc4 10.Bc4 Nb6 11.Bd3 (11.Be2 Be6=) 11...Bg4 (11...ab4 12.ab4 Ra1 13.Qa1=) 12.h3 (12.b5 cb5 13.Nb5 Rc8=) 12...ab4 13.ab4 Ra1 14.Ba1 Bf3 15.Qf3 Nfd5 (15...Nbd5 16.Nd5 Nd5 17.0-0 Nb4 18.Bc4=+) 16.Nd5 (16.b5 Qa8 17.Ke2 Qa3–/+) 16...Nd5=+ 17.0-0 Nb4 18.Bc4 Nd5 19.Rb1= Qa5 20.e4 Nf6 21.Bc3 Qa4 22.Rb4 Qa3=+ 23.Rb7 Ne4–/+ 24.Qe4 Qc3 25.Qc6 Qc1 26.Kh2 Qf4 27.Kg1 Bd4 28.Qf3 Qc1 29.Bf1–/+ Bc5 30.Rd7 Bd6 31.Ra7 Kg7 32.Qe3 Qe3–+ 33.fe3 Bc5 34.Rc7 Be3 35.Kh1 Bg5 36.Bc4 Rb8 37.Bd3 Rb3 38.Rd7 Bf4 39.Kg1 Bd6 40.Be2 Bc5 41.Kf1 Kf6 42.Rd3 Rb1 43.Bd1 e5 44.Ke2 Rb2 45.Rd2 Rb7 46.Kf3 Ke6 47.g4 Rb4 48.Rc2 Kd5 49.Re2 Rf4 50.Kg3 Bb4 51.Bb3 Kd4 52.Kg2 e4 53.Rf2 Rf2 54.Kf2 Kd3 55.Ba4 e3 56.Kf3 Bc5 57.Bb5 Kd4 58.Be8 f6 59.h4 Ke5 60.h5 f5 61.g5 gh5 62.Bh5 Kd4 63.g6? hg6 64.Bg6 Kd3 65.Be8 ½–½. Foisor,M (1980) – Llaneza Vega,M (2455), III EUICC, Arvier ITA, 2007.

9.Ba3 cb5 10.cb5 Nbd7 11.Be2 Nb6 12.0-0 Bf5 13.Ne5 Nfd7 (13...Ne4 14.Ne4 Be4 15.Rc1+=) 14.f4 (14.Nd7 Qd7 15.Bc5 Qc7+/–) 14...h5 (14...Ne5 15.de5 f6 16.g4+=) 15.Bb4 f6 (15...Ne5 16.de5 f6 17.Bf3+=) 16.Nd3 Bd3 17.Qd3 f5 18.h3 (18.Rac1 Nf6+/–) 18...Rf7 19.Rfc1 e6 20.Qd1 Bf8 21.Rab1 Nf6 22.Rc2 Bb4 23.Rb4 Rc7 24.Bd3 Qd6 25.a3 Nc4 26.Bc4 Rc4+= 27.Rc4 dc4 28.Qe2 Rc8 29.Na4+/– Nd5 30.Rc4 Rc4+= 31.Qc4 Qa3 32.Qc8 Kf7 33.Qb7 Kf6 34.Qc8 Qe3+= 35.Kh1 Qf4 36.Qd8 Kg7 37.Qd7 Kf6 38.Qd8 Kg7 39.Qc8 Qf1 40.Kh2= Qf4 41.Kh1 Qf1 42.Kh2= Qf4 43.Kh1 Qf1 44.Kh2= ½–½. Ushenina,A (2450) – Rajlich,I (2455), 11th EICC Women Qualifier, Rijeka CRO, 2010.

9.Ba3 cb5 10.cb5 Bg4 11.Bb4 Nbd7 12.Na4 e5 13.Be2 Re8 14.de5 Ne5 15.Nc5 Nf3 16.gf3 Bh3 17.Bc3? b6 18.Nb3?? Re3–+ 19.Bd4 Re8 20.Rg1 Nh5 21.Qd2 Ra4 22.0-0-0 Qc8 23.Kb1 Bf5 24.Ka1 Qc2 (24...Qc2 25.Qc2 Bc2 26.Bg7 Bb3–+) 0–1. Akobian,V (2570) – Perelshteyn,E (2530), ch–USA, Stillwater USA, 2007.

9.Na4 Qa5 10.Nc3 dc4 11.Bc4 cb5 12.Bb5 Ne4 13.Qb3 Be6 14.Bc4 Bc4 15.Qc4 Nd7 16.Rc1 Rfc8 17.Qb3 Nc3 18.Rc3 Rc3 19.Bc3 Qa2 20.Qa2 Ra2 21.0-0 Nb6 22.Rb1 Nd5 23.Bd2 e5 24.de5 Be5 25.Rb7 Ra1 26.Be1 Bc3 27.Kf1 Nb4 28.Ke2 Ra2 29.Bd2 Bd2 30.Nd2 Nc6 31.Rd7 Ne5 32.Rd8 Kg7 33.f3 Nc4 34.Rd4 Ne5 35.e4 Kf6 36.Rb4 h5 37.Ke3 g5 38.g3 1–0. strusf (1870) – gentelmenjoe (1920), kurnik, 2012. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 a5)

9.Rc1 a3 10.Ba1 cb5 11.Nb5 Nc6 12.cd5 Nd5 13.Bc4 Nb6 14.Be2 Be6 15.Qd2 Ra4 16.0-0 Bc4 17.Rfd1 e6 18.Nc3 Rb4 19.Ne4 Be2 20.Qe2 Na4 21.Nc5 Nc5 22.Rc5 Qb6 23.Qd3 Rd8 24.Rcc1 e5 25.Bc3 Rb5 26.Rb1 Rb1 27.Rb1 Qc7 28.Qc4 ed4 29.Nd4 Qd7 30.Nc2 b5–/+ 31.Qc5 Bc3 32.Qc3 b4?? 33.Qc4=+ Qd2 34.h3 Ne5 35.Qc7+= Re8 36.Nb4 Kg7 37.Nc2 Nd3 38.Rf1 Re6 39.Na3 Rf6 40.Qc2 Rf2? 41.Rf2 (41.Rf2 Qe3 42.Qd2 Qf2 43.Qf2 Nf2 44.Kf2+–) 1–0. Monnard,Laurent (2285) – Ricardi,Pablo (2435), Andorra op 9th, 1991.

9.Rc1 Qa5 10.Bd3 Bg4 11.h3 Bf3 12.Qf3 e5 13.cd5 ed4 14.ed4 Re8 15.Kf1 cd5= 16.g3 (16.Nd5 Nd5=) ½–½. Aronian,L (2740) – Svidler,P (2725), XXIV SuperGM, Morelia/Linares MEX/ESP, 2007.

9.bc6 bc6 10.a3 Qa5 11.Qd2 (11.Bd3 Ba6+=) 11...Ba6 12.Be2 (12.Ne5 Nfd7 13.f4 Ne5 14.de5 Bc4 15.Bc4 dc4=) 12...Nbd7+= 13.c5 (13.cd5!? Be2 14.Ne2 Qd2 15.Nd2 cd5 16.0-0=) 13...Be2 14.Ne2 Ne4 15.Qa5 Ra5 16.Bc3 Nc3 17.Nc3 Nc5! 18.Rb1 (18.dc5 Bc3 Double attack (18...Bc3 Pinning; 18...Bc3 Deflection)) 18...Nb3 19.0-0 (19.Ke2!?–/+) 19...e6–+ 20.Rb2 c5 21.Na4? (21.Ne2 Rc8–+) 21...c4 (better is 21...Nd4!? 22.ed4 Ra4 23.Rfb1–+) 22.Nc3 Ra3 23.Nb1 Ra1 24.Nbd2 Rf1 25.Kf1 Nd2 26.Rd2 Ra8 27.Rb2 Bf8 28.Ke2 Rc8 (28...Bd6 29.h3–+) 29.Ne5 Bd6 (29...Rc7 30.Ra2–+) 30.Rb7? (better is 30.Rb6!? Be5 31.de5–/+) 30...c3–+ 31.Rb1? (31.Nd3–+) 31...c2 32.Rc1 Ba3 33.Kd2 (33.Nd3 Bc1 34.Nc1 Kg7–+) 33...Bc1 34.Kc1 Ra8 (34...Rc3 35.Nd7–+) 35.Nd3 Kf8 (35...Ra1 36.Kc2 Rg1 37.g3–+) 36.Kc2 Ke7 37.Kd2 f6 38.Ke2 (38.Nb4 Ra1 39.Nc2 Rf1–+) 38...Ra2 39.Kf3 Kd6 40.e4 (40.Nc5 e5–+) 40...de4 41.Ke4 g5 (41...Ra3!? 42.Nc1–+) 42.g4 Ra1 (42...Ra3 43.Nb2 Rc3 44.Nd1–+) 43.Kf3 (43.f4 h6–+) 43...Rh1 0–1. Dimitrijeski,Kristian (2205) – Sappok,Marius (2010), Berlin GER, Lichtenrader Herbst, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a5 8.b5 a4)

9.bc6 bc6 10.Na4 Qa5 11.Nc3 Na6 12.Qd2 Rb8 13.Ne5+= Qb6 14.Rb1 Bf5= 15.Bd3 Bd3 16.c5 Qc7 17.Nd3+= Ne4 18.Qc2 e5 19.0-0+= ed4 20.ed4 Qa5 21.Ne4 de4 22.Nc1 Nb4 23.Qe4 Rfe8 24.Qf3 Nd5 25.Qd3 Qa4 26.Ba1 Ra8 27.g3 h5 28.h4 Nb4 29.Qc4 Nc2= 30.Qa4 Ra4 31.Bc3 Rc4 32.Rb3 Nd4 33.Bd4 Bd4 34.Nd3 Ra8 35.a3 Rca4 36.Rb4 Bc3 37.Rb6 Bd4 38.Rc6 Ra3 39.Rd1 Ra1 40.Ra1+= Ra1 41.Kg2 Rd1 42.Nf4 Rd2 43.Rc8 Kg7 44.Kf3 Bf2 45.c6 Bb6 46.Ke4 Rd4 47.Kf3 Kf6 48.c7 Rd7 49.g4 hg4 50.Kg4 Rd4 51.Kf3 Kf5 52.Ng6 Bc7 53.Ne7 Kf6 54.Rc7 Rh4 ½–½. Malaniuk,V (2525) – Iordachescu,V (2585), Grand Prix Open, Galatzi ROM, 2007.

8.a4 b6 9.Qb3 Bb7 10.Be2+= e6 11.0-0 Nbd7 12.Rfd1 (12.cd5 cd5 13.Rfc1+= 0.56 (13.Rac1 Ne4+=)) 12...Re8 (12...dc4 13.Qc4 a5 14.Rac1+=) 13.Rac1 (13.a5 dc4 14.Qc4 c5+=) 13...Bh6 14.h3 (14.cd5 ed5 15.a5 Bf8+=) 14...Rb8 (14...Bf8 15.Ne5+=) 15.Qa2 (15.b5 dc4 16.Qc4 cb5 17.ab5 Rc8+=) 15...Bf8 16.Ba3 dc4 17.Bc4 b5 18.Be2 Nd5 19.Nd5 ed5 20.a5 Bd6 21.Qb3 f5 22.Bd3 Qf6 23.Bb2 Kh8 24.Bb1 Re7 25.Bc3 g5 26.Ne5 (26.Qc2 Rf8+=) 26...Ne5= (worse is 26...Be5 27.de5 Qe6 28.Qc2+/–) 27.de5 Be5 28.Be5 Qe5 29.Qc2 Rf8 30.Qc5 h5 (30...f4 31.ef4 gf4 32.Kh2+=) 31.g3 (31.Bc2 f4 32.ef4 Rf4+=) 31...Rf6 (31...f4 32.ef4 gf4 33.Rd3+=) 32.Kg2 Kg7 (32...h4 33.gh4 gh4 34.Qd4–/+) 33.Rd4= h4 (33...Bc8 34.Bd3=) 34.gh4 f4 35.ef4 (35.hg5!? Qg5 36.Kh1=) 35...gf4+= 36.Rg1 Kh6+=. Kortschnoj,Viktor (2615) – Brandenburg,E, Antwerpen op, 1994. (=1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 a6)

8.Qb3 Be6 9.Nd2 Qc7 10.Be2 Nbd7 11.0-0 Rfe8 12.Rac1 Bh6? (better is 12...dc4!? 13.Bc4 Bc4 14.Nc4 e5+=) 13.cd5 (13.Nd5 Qd6 14.Nc3 Bg7+–) 13...Nd5+/– 14.Nd5 Qd6 15.Ne7! Re7 (15...Qe7 16.Bc4 Combination; 15...Re7 16.Nc4 Combination) 16.Bc4 Nf6 17.Rfd1 Rae8 18.Be6 Qe6 19.Qe6 Re6 20.a3 Ne4 (20...Nd5!?+/–) 21.Ne4 Re4 22.d5 cd5 23.Rd5 R4e6 24.Rc7 R6e7 25.Re7 Re7 26.Rd8 Bf8 27.Bd4 Rc7 28.g4 f5 29.Bc5 Rf7 30.Rf8 Rf8 31.Bf8 fg4? (31...Kf8 32.f3 Ke7+–) 32.Bd6 h5 33.e4 Kf7 34.e5 Ke6 35.Kg2 1–0. Timar,Zsolt – Marta,P, HUN–ch I610 corr, 1984. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 a6 7.Bb2 c6)

8.Rc1 Bf5 9.g3=.

8.Rc1 Bg4 9.Qb3 (9.h3 Bc8+=) 9...Bf3= 10.gf3 e6 11.Be2 (11.Rg1 Nbd7=) 11...Nbd7 12.f4 b5 (12...dc4 13.Bc4 a5 14.b5=) 13.cb5 (13.cd5 cd5 14.h4 h5+=) 13...cb5 (13...ab5 14.h4=) 14.a4 (14.h4 h5+=) 14...ba4= 15.Na4 Ne4 16.Qc2 (16.h4+=) 16...g5 (16...Qe7!? 17.0-0 Qb4+=) 17.f3 (17.Nc5 gf4 18.Ne4 de4 19.Qe4 fe3 20.fe3 Qg5+/–) 17...Nd6+= 18.e4 (better is 18.Qc7 Nf5 19.fg5 Qg5 20.Qd7 Qe3 21.Rc3=) 18...gf4–/+ 19.0-0 Nb6 (19...a5 20.ed5 Qg5 21.Kh1 Qd5 22.Qc7+=) 20.Nb6 Qb6 21.Qc5 (21.ed5 Bd4 22.Kh1 Qb4 (worse is 22...ed5 23.Rg1 Kh8 24.Qc7 Qb4 25.Bd4 Qd4 26.Qd6+/–) 23.Bd4 Qd4+=) 21...Rab8 (21...Rfb8 22.ed5 Qc5 23.Rc5 (23.bc5 Rb2 24.cd6 Re2–+) 23...Rb4 24.Bc3 Bd4 25.Bd4 Rd4 26.de6 fe6 27.Ra1–/+) 22.ed5 Qc5 23.Rc5 (23.bc5?? Rb2 24.cd6 Re2–+) 23...Rb4 24.Bc3 Bd4 25.Bd4 Rd4 26.de6 fe6 27.Ba6 Ra8 (27...Kg7 28.Re1–/+) 28.Rc6+= Kf7 (28...Kg7 29.Rb1+=) 29.Re1 (29.Rb1 Nf5 30.Bc4 Rd6 31.Rd6 Nd6+=) 29...Kf6–/+ 30.Re2 (30.Kf2 Re8–/+) 30...h5 (30...Re8 31.Kf2–/+) 31.Rb2 (31.Kf2 Rb8–/+) 31...Rg8 (31...Nf5 32.Kf2–/+) 32.Kf2 h4 (32...Rg5 33.Ra2–/+) 33.Bf1 (33.Rbb6 Ke5–/+) 33...Rc8 (33...Nf7 34.Rc7–/+) 34.Rc8+= Nc8 35.Kg2 Ne7 (35...Rd8 36.Kh3+=) 36.Kh3 Nf5 (36...Rd6 37.Ra2+= (37.Kh4? Nf5 38.Kg4 Ne3 39.Kf4 Nf1–+)) 37.Ba6 Ne3 (37...Rd8 38.Rg2+=) 38.Bb7 Rd8 (38...Nd1 39.Rg2+=) 39.Rb4 Ke5 (39...e5 40.Rb6 Kg5 41.Re6=) 40.Rb5 Nd5 41.Rb2 (41.Kg4 Rg8 42.Kh3 Rh8+=) 41...Kf5 (41...Rb8 42.Rb5+=) 42.Rd2= Rd7 (42...Kf6 43.Rd4= (43.Kh4 Rh8 44.Kg4 Rg8 45.Kh5 Ne3 46.Rd8 Rd8 47.Be4 Rh8 48.Bh7 Rh7)) 43.Bc6 Rd8 44.Bb7 Rd7 (44...Rd6 A) 45.Kh4? Rd7 46.Rd5 Rd5–+ (46...ed5?? 47.Bc8+–); B) 45.Rd4=) 45.Bc6 Rd8 (45...Rd6 46.Bb5=) 46.Bb7 Rd7 (46...Rd6 A) 47.Kh4? Rd7 48.Rd5 Rd5–+ (48...ed5?? 49.Bc8 Ke6 50.Kg5+–); B) 47.Rd4=) 47.Bc6 Rd8 ½–½. Ushenina,Anna (2455) – Mammadova,Gulnar (2300), Olympiad Women, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 5.e3 g6 6.b4 Bg7 7.Bb2 0-0)

8.c5 Nbd7=.

8.Nd2 Bf5 9.Be2 Re8 10.Qb3 Nbd7 (10...h6!?=) 11.cd5+= cd5 12.Nd5 Be6 13.Nf6 Nf6 14.Bc4 Bc4 15.Nc4 Qd5 16.0-0 Nd7 17.Rac1 e5 (17...Rac8 18.Na5 Nf6 19.Qd5 Nd5 20.a3+/–) 18.Nd2 (18.e4 Qe6 (worse is 18...Qe4 19.Nd6 Qf4 20.Ne8 Re8 21.Rc7+–) 19.d5 Qe7+–) 18...Nb6+/– 19.Nc4 Re6?? (19...Nd7 20.e4 Qe6+– (worse is 20...Qe4 21.Nd6 Qf4 22.Ne8 Re8 23.Rc7+–)) 20.de5+– Rae8? (20...Nc4 21.Rc4 Rc6 22.Rc6 Qb3 23.ab3 bc6+–) 21.Rfd1 Qb5 22.Nd6 Qa4 23.Qa4 Na4 24.Ne8 Nb2 (24...Re8 25.Bd4+–) 25.Ng7 (better is 25.Rd8 Be5 26.Nc7 Kg7 27.Ne6 fe6+–) 25...Re5 26.Rd8 (26.Rd7!? Kg7 27.Rcc7 Rf5+–) 26...Kg7 27.Rc5 (27.Rc5 Re7 28.Rc2+–) 1–0. Timar,Zsolt – Marta,P, HUN–ch I609 corr, 1984. (=1.d4 Nf6 2.Nf3 g6 3.c4 d5 4.Nc3 Bg7 5.e3 0-0 6.b4 a6 7.Bb2 c6)

8.Be2 dc4 9.Bc4 b5 10.Bd3 Bg4 11.Ne4 (11.h3 Bf3 12.Qf3 e5 13.de5 Nfd7=) 11...Ne4 12.Be4 f5 13.Bd3 Kh8 14.Be2 (14.a4 Bf3 15.gf3 Qd6=) 14...a5= 15.Ng5 (15.Qd2 ab4 16.Qb4 f4=) 15...Be2 16.Qe2 (16.Ke2!? Qc8 17.ba5+=) 16...Qd5–/+ (worse is 16...ab4 17.Ne6 Qd5 18.Nf8 Qg2 19.Ng6 hg6 20.Rf1+/–) 17.0-0 h6 (17...ab4 18.Nh3+=) 18.Nh3= e5 (18...ab4 19.Nf4 Qd6 20.d5 Bb2 21.Qb2 Kh7 22.dc6 Nc6 23.Rad1+=) 19.Rfd1 (19.de5 Re8+/–) 19...e4 (19...ab4 20.de5 Qc4 21.Qd2=) 20.Rac1 (20.Nf4!? Qf7 21.d5+/–) 20...ab4 21.Nf4 Qd6 (21...Qf7 22.d5 Rc8 23.Bg7 Qg7 24.Rd4=) 22.d5+= Bb2 23.Qb2 Kh7? (better is 23...Qf6 24.Qb4 Rd8+/–) 24.dc6+– Qe7 25.c7 Na6 (25...Nd7 26.Nd5 Qg5+–) 26.Rc6 Nc7 27.Ng6 (27.Ng6 Rfd8 28.Rdc1+– (28.Ne7?? Rd1); 27.Rg6 Rfd8 28.Rc1 Nd5+–) 1–0. eddieteijeiro (2225) – abhailey (2325), net–chess.com, 2009. (=1.d4 Nf6 2.c4 g6 3.e3 Bg7 4.Nc3 d5 5.Nf3 0-0 6.b4 c6 7.Bb2 a6)

8.Be2 Bg4 9.0-0 Nbd7 10.a4 e6 11.b5 ab5 12.ab5 Qe7 13.h3 Bf3 14.Bf3 Qb4 15.Qc2 Qc4 (15...Nb6!? 16.c5 Nc4+=) 16.Ba3+/- Ra3 17.Ra3 Qb4 18.Rb3 (18.Ra7 Rb8+/-) 18...Qd6 19.bc6 bc6 20.Rc1 c5 (better 20...e5!?+/-) 21.Nb5 Qe7 22.dc5 Ne5 23.Nd4 Nf3 24.Nf3 (worse 24.gf3 Rc8+/-) 24...Rc8 25.c6 Ne8 26.Rb7 Qd6 (26...Qf8 27.Qc5+-) 27.Qc5 Qd8? (27...h6+-) 28.c7 Qd7 29.Qc6 (better 29.Rb8 Bf8 30.Ne5 Qc7 31.Rc8 Qc5 32.R1c5 Bc5 33.Rc5+-) 29...Qe7 (29...Qc6 30.Rc6 Bf8 31.Nd4+-) 30.Nd4 (better 30.Rb8 Nd6 31.Qd6 Qd6 32.Rc8 Bf8 33.Rb8+-) 30...Bd4?? (30...Be5 31.Nb5 Kg7+-) 31.ed4 (better 31.Rb8 Nd6 32.Qd6 Qd6 33.Rc8 Kg7 34.Ra8+-) 31...Kg7 32.Qb6 h5 33.Rb8?? (better 33.Rc3 Qd7 34.Rc5+-) 33...Rc7+/- 34.Rc7 Qc7 35.Qc7 Nc7 36.Rb7 (36.g4 Kf6+/-) 36...Ne8+= 37.f3 Nd6 38.Rc7 (better 38.Rb6!? Nc4 39.Ra6+=) 38...Nb5=+ 39.Rc1 Nd4 40.Rd1 Nf5 41.Kf2 h4 42.f4 Kf6 43.Ra1 g5 44.Ra7? (better 44.Kf3!?-/+) 44...gf4-+ 45.Kf3 e5 46.Ra6 Kg7 47.Ra5 Ne7 (better 47...Ne3!? 48.Ra7-+) 48.Kg4 Kf6?? (48...Kh6 49.Ra6 Ng6 50.Kf5=+) 49.Kh4?? (49.Ra6 Kg7 50.Ra5 Kh6 51.Ra6 Ng6=+) 49...Kg7 (49...e4 50.Kg4 Ke5 51.Ra8-/+) 50.Ra6 (50.Kg4 f6=+) 50...Ng6 (50...Nf5 51.Kg5 Ne3 52.h4=) 51.Kg5 (better 51.Kg4!?=) 51...e4-/+ 52.Kf5 d4?? (better 52...e3!? 53.Ra1 Kh6-+) 53.Ra4?? (better 53.Ke4 d3 54.Ra4+-) 53...f3 (better 53...e3 54.Ke4 Nh4=) 54.Rd4?? (54.gf3 e3 55.Ke4= (55.Rd4? e2 56.Re4 Nh4 57.Kf4 Ng2 58.Kg4 e1Q 59.Re1 Ne1-+)) 54...fg2 (better 54...f2 55.Ke4 f1Q-+) 55.Rd1=+ e3 56.Rg1 e2 57.Kg4?? (better 57.Ke4=) 57...e1Q?? (better 57...Ne5 58.Kf5 e1Q 59.Re1 Nf3-+) 58.Re1+- g1Q (58...Ne5 59.Kg3+-) 59.Rg1 Ne5 60.Kf4 Ng6 61.Kg5 Kh7 (61...Ne5 62.Kf5 Ng6 63.Rg2+-) 62.h4 Kg7 63.Kf5 (better 63.h5 Nf8 64.h6 Kh7 65.Rh1+-) 63...Kg8?? (63...Kh6 64.h5! Ne7 65.Kg4 Nd5+-) 64.h5 Kf8 65.hg6 fg6 (65...Kg7 66.gf7 Kf8 67.Kg6 Ke7 68.f8Q Kd7 69.Rd1 Kc6 70.Qc8 Kb5 71.Rb1 Ka4 72.Qa6) 66.Kf6 (66.Rg6 Ke7 67.Re6 Kd8 68.Rd6 Kc8 69.Ke6 Kc7 70.Ke7 Kc8 71.Rd7 Kb8 72.Kd8 Ka8 73.Kc7 Ka7 74.Rd6 Ka8 75.Ra6) 66…g5 (66...g5 67.Rg5 Ke8 68.Rd5 Kf8 69.Rd8; 66...Ke8 67.Ke6 Kd8 68.Rg6 Kc7 69.Ke7 Kc8 70.Kd6 Kb7 71.Kd7 Kb8 72.Kc6 Ka7 73.Kc7 Ka8 74.Ra6). Arifars17 (2675) - aashetty (2750), Rated Bullet game, lichess.org, 2021. (=1.e3 d5 2.d4 c6 3.c4 Nf6 4.Nc3 a6 5.Nf3 g6 6.b4 Bg7 7.Bb2 0-0)

8.Be2 Bg4 9.h3 Bf3 10.gf3 (10.Bf3 dc4 11.Qe2 e5 12.Qc4 ed4 13.Qd4 Qd4 14.ed4 Re8 15.Kd2 Nbd7=) 10...dc4 11.Bc4 Qd6 12.a3 e5 (12...Nbd7 13.Ne4 Qc7 14.0-0=) 13.de5 (13.Na4 Nd5 14.Bd5 cd5 15.de5 Be5 16.Be5 Qe5 17.Nb6=) 13...Qe5= 14.f4 Qe7 15.Qb3 Nbd7 16.0-0 Nb6 17.Be2 Rad8 18.Rad1 Rd1 19.Rd1 Rd8 20.Kh2 Rd1 21.Nd1 Ne4 22.Bg7 Kg7 23.Bf3 Nd5 24.Qb2 Ndf6 25.Qd4 Nd6 26.Nb2 Nb5 27.Qe5 Qe5 28.fe5 Nd5 29.Nc4 f6 30.ef6 Kf6 31.Bg4 Na7 32.e4 b5 33.e5 Ke7 34.Nb2 Nb6 35.Be2 Ke6 36.f4 Kd5 37.Nd3 Nc4 38.Nc5 Na3 39.Na6 Nc2 40.Kg3 Kd4 41.Bg4+= c5 42.Nc5 Nb4= 43.Ne6 Ke3 44.Nc7 Nbc6 45.h4 b4 46.Nd5 Kd4 47.Nb4 Nb4 48.h5 gh5 49.Bf5 Nac6 50.Kh4 Ne5 51.fe5 Ke5 ½–½. Mohota,Nisha (2310) – Collas,Silvia (2350), 38th Olympiad w, Dresden GER, 2008. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 a6)

8.a3 Nc7 9.Rc1 dc4 10.Bc4 Ncd5 11.0-0 Nc3 12.Bc3 Ne4 13.Be1 Bg4 14.h3 Bf3 (14...Bf5 15.Nh4+=) 15.Qf3+= (worse is 15.gf3 Nd6+=) 15...Nd6 16.Bb3 e6 17.Qe2 Nf5 18.Bc3 Qe7 19.Rfd1 Rfd8 20.Rd2 Nd6 21.Bb2 a5 22.ba5 Ra5 23.Rdd1 Raa8 24.a4 Nc8 25.Qc2 Nb6 26.Ra1 Nd5 27.e4 Nf4 28.Kh2 Qh4 29.Bc4 Nh5 (29...Qh5!?=) 30.g3+= Qe7 31.Bf1 Nf6 32.Bg2 h5 33.Kg1 Ne8 34.Qb3 Rd7 35.e5 Qd8 36.Rdb1 Ra7 37.Ba3 Qa8 38.Bc5 Ra6 39.Bb6 Nc7 40.Bf1 Nd5 (better is 40...Nb5!? 41.a5 Nd4 42.Bd4 Rd4 43.Ba6 ba6+/–) 41.Ba6+– Qa6 42.Bc5 h4 43.Ra2 hg3 44.fg3 (44.Qg3?! b6 45.Bd6 Qc4+/–) 44...Bh6 45.a5 Ne3 46.Re1 Nf5 47.Qc3 Bf8 48.Bf8 Kf8 49.Rd1 Qa7 50.Rad2 Rd5 51.g4 Nh6 52.Rb2 Kg7 53.Kh2 c5 54.Qf3 cd4 55.Qf6 Kg8 56.Qh4 Kg7 57.Qf6 Kg8 58.a6 b5 59.Rc2 Kh7 60.Rdc1 (60.Rdc1 Ng8 61.Qh4 Kg7 62.Rc7+–) 1–0. Evans,Larry Melvyn – Jimenez Zerquera,Eleazar, Capablanca Memorial, 1964. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2)

8.a3 Nc7 9.cd5 Ncd5 10.Nd5 Nd5 11.e4=.

8.a3 Ne4 9.Bd3 (9.Ne4 de4 10.Nd2 f5+=) 9...f5 (9...Nc3 10.Bc3 dc4 11.Bc4+=) 10.0-0 Nc7 (10...Nc7 11.Qb3 Nc3 12.Bc3 f4+=). Tang Chi Yan – Bouma, email CTON, 1996.

8.Qb3 Bb7 9.cd5 cd5 10.Be2 Nbd7 (10...a6 11.0-0+=) 11.0-0+= Rc8 12.Rfd1 a6 13.Rac1 e6 14.a4 White prepares b5 14...Qe7 (better 14...Ne4!?+=) 15.b5+- a5 (15...Rfd8 16.Ba3 Qe8 17.ba6+-) 16.Ba3 Qd8 17.Bf8 Bf8 18.Na2 h6 19.Rc8 Qc8 20.Rc1 Qd8 21.Qc2 Bd6 22.h3 (22.Nc3 Qe7+-) 22...Kg7 (22...Qf8 23.Nc3+-) 23.Nc3 Qe7 24.Nb1 Ne4 25.Nbd2 Nef6 26.Qc3 Qd8 27.Ne5 Qe8 28.f4 Qe7 29.Bd3 (29.Nc6 Qe8+-) 29...Qe8 30.Ndf3 Qe7 (30...Ne4 31.Be4 de4 32.Nd2+-) 31.Nd7 (31.Nc6 Qf8+-) 31...Nd7 32.Ne5 Nf6 33.Nc6 Qe8 34.Qc2 Qd7 35.Rf1 Qe8 36.g4 Nd7 37.Ne5 Nf6 38.Rc1 Qe7 (38...Kg8 39.Qf2+-) 39.Be2 (better 39.Bg6 fg6 40.Qg6 Kf8 41.Nc6 Bc6 42.Rc6+- (42.bc6?! Ng8+-)) 39...Ne4 40.Bf3 Nf6 (40...Qh4 41.Be4 de4 42.Kg2+-) 41.Kg2 Qd8 42.Qf2 Qe8 43.h4 White prepares the advance g5 43...Ng8 (43...Ne4 44.Be4 de4 45.g5+-) 44.g5 h5 45.Qc2 Bb8 46.e4 (46.Nc4!? Qd8+-) 46...Ne7+/- 47.Nc6 (better 47.Qd3+/-) 47...Bf4= 48.Rf1 Nc6 49.bc6 Bc6 50.ed5 ed5 51.Bh5 (51.Bd1!? Bb8 52.Qf2=) 51...Ba4=+ (worse 51...gh5 52.Rf4 Ba4 53.Qf2=) 52.Qe2 (52.Qf2 Bg5 53.Bg6 fg6 54.hg5 Kg8=) 52...Qe2 (52...Qe3 53.Qf3 Bb5 54.Rf2 Qf3 55.Bf3-/+) 53.Be2=+ Be3 (53...Bd2 54.Rf6 b5 55.Rd6=+) 54.Bf3 (54.Rf3 Bd2=+ (worse 54...Bd4 55.Rf4+-)) 54...Bd4 (54...Bb3 55.Rb1 Bc4 56.Re1 Bd4 57.Rd1-+) 55.Bd5 Be8 56.Re1 Kf8 57.Kf3 b5 58.Ke4 (58.Rc1 a4-/+) 58...Bf2 59.Rh1 a4 60.h5 gh5 61.Rh5?? (61.Kf3 Bd4 62.Rh5 Bc3-/+) 61...Kg7 (better 61...f5 62.gf6 Bh5-+) 62.Rh2-/+ Bc5 (62...Bb6!?-/+) 63.Rc2=+ Be7?? (better 63...Bg1=+) 64.Rc8+- Bd6 (better 64...b4 65.Re8 Bg5+-) 65.Re8 b4 (65...a3 66.Ra8 Be7 67.Kf5+-) 66.Ra8 a3 (66...b3 67.Ra4 b2 68.Ba2+-) 67.Kf5 (67.Ra7 Kg6 68.Ra6 f5 69.Kd4 f4+-) 67...Be7 (67...Bc5 68.Rb8 Be7 69.Bc4+-) 68.Ra7 (68.Rb8 b3 69.Bb3 a2 70.Ba2 Ba3+-) 68...Kf8 69.Bb3 Ke8 70.Ra8 Bd8 (70...Kd7+-) 71.Ra7 (71.Rb8 Ke7+-) 71...Be7 72.Rb7 (72.g6 fg6 73.Ke6 Bg5 74.Ra8 Bd8 75.Ba4 Kf8 76.Rd8 Kg7+-) 72...Kf8 73.Rb8 Kg7 74.Re8 (74.Kg4 Kg6 75.Rg8 Kh7 76.Bf7 a2 77.Ba2 Bd8 78.Rd8 b3 79.Bb3 Kg6 80.Rd6 Kg7 81.Rd7 Kf8 82.Rf7 Ke8 83.g6 Kd8 84.g7 Ke8 85.g8Q) 74...Bf8 (74...Bd6 75.Ra8 Be7 76.Rb8+-) 75.Rc8 Be7. Ogloblin,N (2345) - Maly,Al (2370), Titled Tuesday, 2021. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.b4 0-0 6.Bb2 c6 7.Nc3)

8.Qb3 Bb7 9.Be2 e6 10.0-0 Nbd7 11.a4 dc4 12.Bc4 (12.Qc4 a5+=) 12...c5 13.dc5 (13.Be2 cd4 14.Nd4 a6+=) 13...bc5 (13...Bf3 14.gf3 bc5 15.b5=+) 14.b5 (14.Be2 Bf3 15.Bf3 Rb8+=) 14...Bf3=+ 15.gf3 Ne5 16.Be2 g5 (16...c4 17.Qa3=+ (17.Bc4? Nf3 18.Kg2 Nd2–+)) 17.Rad1 (17.Qc2 Qe7=) 17...Qc7 18.Ne4 Ne4 19.fe4 g4 20.Be5 (20.Kh1 a6+=) 20...Qe5= 21.f3 (21.Qc2 Qh5=) 21...gf3=+ 22.Bf3 Kh8 (22...Rfd8 23.Kh1=+) 23.Kh1 (23.Rd7 Bf6=) 23...Rfd8 24.Bg2 Qh5 25.Bf3 Qh4 26.Qc2 Be5 27.a5 c4 28.Rd8 Rd8 29.Rd1 (29.b6 ab6 30.ab6 c3–+) 29...Rb8 (29...Rd1 30.Bd1 Qe1 31.Kg2–+) 30.Rb1–/+ c3 31.Qg2? (better 31.b6–/+) 31...Rg8–+ 32.Qe2 (32.Qc2 Qh3 33.Qe2 Bh2–+) 32...Rd8 33.Qg2 (33.b6 a6! 34.b7–+) 33...Rd2 34.Be2 Re2! 35.Qe2 A deflection 35...Qe4 A double attack (35...Qe4 36.Kg1 Qb1 37.Kf2 c2–+) 0–1. Tao,T (2365) – Mu Ke (2450), O2C Doeberl Cup, 2018. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 0-0 5.e3 d5 6.b4 c6 7.Bb2 b6)

8.Qb3 e6 9.Be2 Bb7 10.0-0 Nbd7 11.a4 a5 12.cd5 ed5 13.b5 c5 14.dc5 bc5 15.Rfd1 Re8 16.Rac1 Rc8 17.Nb1 (worse is 17.Nd5 Bd5 18.Rd5 Nd5 19.Bg7 Kg7 20.Qd5 Nb6+=) 17...Qe7 18.Bf1 Bh6 19.Nbd2 Ng4 20.Re1 f6 21.e4 c4 22.Qc3 (better is 22.Qd1 Qf7 23.ed5 Re1 24.Ne1+=) 22...Qc5–/+ 23.Nd4 Nb6 24.N2b3? (24.Qc2 Na4! 25.Ba1–+) 24...Qd6 (24...Na4 A) 25.Qa5?? Qd6 26.g3 Nb2–+ (26...cb3?! 27.Rc8 Rc8 28.Qa4=); B) 25.Nc5 Nc3 B1) 26.Bc3?! Rc5 27.ed5 Re1 (worse is 27...Bc1 28.Re8 Kf7 29.Re1+/–) 28.Re1 Bd5=; B2) 26.Nb7 Ne4 27.f3+–) 25.Qh3 Bc1 26.Nc1 c3 (better is 26...Na4 27.Ba1 Qf4–+) 27.Bc3 Rc3 28.Qg4 de4 29.Rd1 Rc1! 30.Rc1 Qd4 31.Rc7 Bc8 32.Qh4 Bd7 33.Rb7 Na4 34.g3 Nc5 35.Rc7 g5 36.Qh5 e3 37.Qf3 ef2 38.Qf2 Qf2 39.Kf2 Rc8 40.Ra7 a4 41.b6 Rb8 42.Rc7 Ne4 43.Ke3 Bf5 44.Bc4 Kf8 45.g4 Bg4 46.Ke4 Rb6 47.Kd5 a3 48.Ra7 Rb2 49.Ra3 Rh2 50.Ra7 Rd2 51.Kc6 Bh5 52.Bd5 Re2 53.Kd6?! g4 54.Be6 g3 55.Ra8 Be8 56.Ra3 Rd2 57.Kc5 g2 58.Rg3 Ke7 59.Bd5 Rc2 60.Kd4 Bc6 61.Bc6 Rc6 62.Rg2 Ra6 63.Rg7 Kd6 64.Rf7 Kc6 65.Rf8 ½–½. Flores,Diego (2520) – Camarena Gimenez,Rufino (2320), Cullera 4th, 2006. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.b4 Bg7 6.Bb2 0-0 7.d4 b6)

8.Rc1 Bb7 9.Qb3 Nbd7 10.cd5 cd5 11.b5 Re8 12.Be2 Qc7 13.0-0 Bf8? 14.Rfd1 (14.Nd5 Bd5 15.Rc7 Bb3 16.ab3 e6+–) 14...e6 (14...Qd6 15.Qa4+/–) 15.a4 (better is 15.Nd5!? Bd5 16.Rc7 Bb3 17.ab3+–) 15...Rec8 16.Ba3 ½–½. Gufeld,Eduard – Popov,Luben, Kecskemet, 1968. (=1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 b6)

8.Rc1 Bb7 9.Qb3 Nbd7 10.cd5 Nd5 11.Nd5 cd5 12.Be2 a6 13.b5 a5 14.0-0 Rc8 15.Ne5 (15.Rc8 Qc8 16.a4 Qb8+=) 15...Be5 (15...Ne5!? 16.de5 Qd7=) 16.de5+/– Nc5 17.Qd1 e6 18.Qd4 Qe7 19.Ba3 Rc7 20.Rc2 Rfc8 21.Rfc1 Kg7 22.Bf1 Kg8 23.g3 Kg7 24.h4 h5 25.Bh3 Ba8 26.f4 Bb7 27.Bg2 Ba8 28.Kh2 Bb7 29.Kh3 Ba8 30.Bf3 Bb7 31.Rg2 f5 (better is 31...Qd8!?=) 32.ef6!+/– Qf6 33.Rgc2 e5 34.Qe5 Qe5 35.fe5 Ne6 36.Rc7 Rc7 37.Rc7 Nc7 38.Be2 Bc8 39.Kg2 Bd7 40.Bb2 Kf7 41.a4 Bf5 42.Bd1 Be4 43.Kf2 Ne6 (43...Na8!? 44.g4 hg4 45.Bg4+–) 44.Bd4 Nc5?? (better is 44...Nd4 45.ed4 Bf5+–) 45.Bc5 bc5 46.b6 1–0. Gomez,F – Suarez,Manuel, Albacete–ch, 1987. (=1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.Nf3 Bg7 6.b4 b6 7.Bb2 0-0)

8.Bd3 Na6 9.a3 c5 (9...Nc7 10.0-0+=) 10.b5 (10.Qb3 cd4 11.Nd4 Nc7=) 10...cd4 11.Nd4 (11.ba6 Worse is 11...dc3 12.Bc3 Ba6 13.cd5 Bd3 14.Qd3 Qd5 15.Qd5 Nd5 16.Bg7 Kg7–/+; 11.ed4?! Nc7=) 11...Nc5 12.0-0 Bb7 13.cd5 Nd5 14.Be2 Rc8 15.Rc1 e5 16.Nf3 (16.Nc6!? Nc3 A) 17.Qd8?? A1) 17...Rcd8?! 18.Ne7 (18.Rc3?? Rd2–+) 18...Kh8 19.Bc3=; A2) 17...Ne2 18.Kh1 Rfd8 19.Nd8 Nc1 20.Nb7 N1d3 21.Nc5 Rc5–+; B) 17.Bc3 Bc6 18.bc6 Rc6 19.Bf3 Qd1 20.Rfd1+=) 16...e4–/+ 17.Nd4 Qg5 18.Nd5 Bd5 19.Bc3 (19.Qc2 Qh4+=) 19...Rfd8 (19...Nd3 20.Bd3 ed3 21.g3 Bd4 22.ed4–/+) 20.Qd2 Ba8 (20...h5 21.Bb2+=) 21.Rfd1 (better is 21.Bc4!?=) 21...Nb3–/+ 22.Qb2 (22.Nb3 Rd2 23.Bd2 Bb7–/+) 22...Nc1–+ 23.Rc1 Bd4 (23...Rc5!?–+) 24.Bd4–/+ Rc1 25.Qc1 Rd4! 26.h4 Qc5 27.Qc5 bc5 28.ed4 cd4 29.Bc4 Kg7 30.Kf1 f5 31.g3 Kf6 32.Ke2 h6 33.a4 g5 34.hg5 hg5 35.Kd2 Ke5 36.a5 f4 37.gf4 gf4 38.Bf7 f3 39.Bb3 Kf4 40.Bc4? e3–+ 41.fe3? de3 42.Ke1 Kg3 43.b6 ab6 44.ab6 Bb7 45.Bb5 Kg2 46.Bf1 Kg1 47.Bh3 Ba6 48.Kd1 e2 49.Kd2 Kf2 50.b7 e1Q (50...e1Q 51.Kc2 Bb7–+) 0–1. Dondis,Harold – Miller,William, World op Philadelphia, 2000. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 b6 7.Bb2 c6)

8.Bd3 dc4 9.Bc4 a5 10.b5+=.

8.Be2 Bb7 9.0-0 Nbd7 10.c5 (10.cd5 cd5 11.Qb3 Rc8+=) 10...b5 (10...a5!? 11.a3 ab4 12.ab4 Ra1 13.Qa1 bc5 14.bc5 Qc7=) 11.a4+= a6 12.ab5 ab5 13.Qc2 Qc7 14.e4 (14.h3!?+=) 14...de4 15.Ne4 Nd5 16.Qb3 N7f6 17.Ned2 (17.Nc3 Qf4+=) 17...e6 (17...Nf4!? 18.Bd3 Nd3 19.Qd3 Nd5–/+) 18.Ne5 Nd7 (18...Bh6 19.Ndf3+=) 19.Nd7= Qd7 20.Ne4 Ne7 21.Nd6 Nf5 22.Nf5 gf5 23.Rad1 Kh8 24.Rd3 Qe7 25.Rfd1 Bf6 26.Rh3 Rg8 27.Bc1 Rg6 28.Bf4 Rag8 29.Rg3 Rg3 30.hg3 Ra8 31.Bd6 Qd8 32.g4 fg4 33.Bg4 Qg8 34.Qf3+/– Qg5 35.Bf4 Qg7 36.Qg3 Rd8 37.Bd6 h6 38.Kh2 Qg5 39.Qh3 Kg7 40.Rd3 Qh4 41.Rg3 Qh3 42.Bh3 Kh8 43.Rd3 Kg7 44.g3 Ra8 45.Be5 Ra4 46.Rb3 Kg6 47.f4 Ra2 48.Bg2 Ra1 49.Kh3 h5 50.Be4+/– (50.Be4 Kg7 51.d5 Be5 52.dc6 Bc6 53.Bc6+/–) 1–0. Sukhareva,E (2175) – Mikhailova,I (2285), WCh w Blitz Quarter–Final, Moscow RUS, 2010. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Nf3 c6 7.Bb2 b6)

8.Ne5 Bb7 9.Be2 Nbd7 10.cd5 Nd5 11.Nd5 cd5 12.0-0 Ne5 13.de5 Qd7 14.Qb3 Rfc8 15.Rfd1 Qf5 16.g4 Qc2 17.Bd3 Qb3 18.ab3 a6 19.b5 ab5 20.Bb5 e6 21.Bd4 Ra5 22.Ra5 ba5 23.Ra1 Ra8 24.f4 Bf8 25.Bb6 Bb4 26.Rc1 Rc8 27.Rc8 Bc8 28.Kf2 Kf8 29.Bd8 Bb7 30.Ke2 Ba8 31.Kd3 Bb7 32.Kd4 Kg7 33.Bd7 Ba6 34.f5 gf5 35.gf5 ef5 36.Bf5 Bb5 37.Bc2 Bc6 38.Bd1 Kg6 39.Bc2 Kg7 40.Bb6 Kh6 41.Bc5 Bd2 42.Bf8 Kg5 43.Bh7 Bd7 44.Be7 Kg4 45.Bc2 Kh3 46.Kd5 Be3 47.Ke4 Bd2 48.Bd3 Kh2 49.Bc4 Be8? 50.Kf5 Kg3 51.Bd6 Kf3 52.Kf6 Ke4 53.Ke7 Bc6 54.Kf7 a4 55.e6 ab3 56.Bb3+– Bg5 57.Be7 Be3 58.Bc2 Ke5 59.Bf6+– Kf4 60.Bb3 Bc5 61.Be7 Bf2 62.Bd6 Kf5 63.Bc2 Kg4 64.Kf8 Bh4 65.Be7?? Bd5 66.Bd1 Kf5 ½–½. Cosmulescu,Alexandru_Paul (1940) – Dobre,Mihai (2005), Calimanesti ROM, Ch U18 (b), 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 c6 6.e3 d5 7.Nc3 b6)

8.Bc4 Nd5 9.Nd5 cd5 10.Be2 a5 (10...a6 11.Rc1=) 11.b5+= Nd7 12.0-0 Nb6 13.Rc1 Bf5 14.Ba3 Re8 15.Bc5 Rc8 16.Qb3 Be4 17.Nd2 Bf5 (17...e5 18.Ne4 de4 19.d5+=) 18.Bb6+/- Qb6 19.Qd5 Be6 20.Qg5 (20.Rc8 Rc8 (20...Bd5? 21.Re8 Bf8 22.Rc1+-) 21.Qe4 Ba2 22.Qe7 Bd5+/-) 20...Rc1 21.Rc1 h6 (21...Ba2 22.Nf3+=) 22.Qc5+/- Qc5 23.dc5 (23.Rc5 Ba2 24.b6 a4+/-) 23...Ba2+= 24.Bc4 Bc4 25.Nc4 Ra8 26.c6 bc6 27.bc6 Ra6 (27...Ra7 28.Na5! Rc7 29.Nb3+/-) 28.Nb6! Be5 (28...Rb6 29.c7 Passed pawn) 29.Nd5 Kg7 30.c7 Bc7 31.Nc7 Rd6?? (31...Ra7 32.Nb5 Rb7 33.Na3+-) 32.Nb5 (better 32.Ne8 Kf8 33.Nd6 ed6 34.g4+-) 32...Rd2 (32...Rd5 33.Na3+-) 33.g3 h5? (better 33...Rd5 34.Na7 a4+-) 34.Ra1 h4 (34...e5 35.Ra5 f6 36.Ra7 Kh6 37.Ra6+-) 35.gh4 Rd5 36.Nc3 (36.Ra5 Rh5+-) 36...Rh5 (36...Rc5 37.Ne4 Rd5 38.Ra2+-) 37.Ne2 Rh4 (37...Kf6 38.Nd4+-) 38.Ra5 Rb4 39.Kg2 f6 (39...Kf6 40.Nc3 Kg7 41.Ra7+-) 40.Ng3 (40.Ra7 Re4+-) 40...f5 41.h3 Kf6 42.Ra6 e6 (42...Kf7 43.f4+-) 43.f4 (43.Ne2 Re4+-) 43...Rb2 44.Kf3 Rb1 (44...Rh2 45.e4 Rh3 46.e5 Ke7 47.Ra7 Ke8 48.Rg7+-) 45.Ne2 Rb7 46.Nd4 Re7 47.h4 Kf7 (47...Re8 48.e4 fe4 49.Ke4+-) 48.Kg3 (better 48.Nc6!? Rc7 49.Nd8 Ke7 50.Ne6 Rd7+-) 48...Kf6 49.Nf3 Re8 50.Ra7 Rd8 (50...Re7 51.Re7 Ke7+-) 51.Ne5 (51.Ne5 Rd7 52.Rd7 g5 53.hg5; 51.Ng5 Rd7 52.Rd7 e5 53.Rf7) 1-0. Ogloblin,N (2345) - Papp,Levente (2390), Titled Tuesday 1st Dec, 2020. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2)

8.Bc4 Bf5 9.0-0=.

8.Bc4 Bg4 9.0-0 Nd5 10.a3 Nc3 11.Bc3 e5 12.de5 Nd7 13.Rc1 Bf3 14.Qf3 (< 14.gf3 Ne5 15.Qe2 Qg5 16.Kh1 Qf5=+) 14...Ne5 15.Qf4 Qe7 16.Be2 Rfd8 17.Bd4 Nd7 18.Bg7 Kg7 19.Qc7 Rab8 20.Rfd1 Kf8 21.Qf4 Nf6 22.Rd4 Kg7 23.Bf3 a5 24.Rcd1 ab4 25.ab4 Rd4 26.Qd4 Re8 27.h3 Qe5 28.Qb6 Re7 29.Rd4 Qe6 30.b5 Nd7 31.Qa5 Ne5 32.Be2 Rd7 33.Qc3 f6+= 34.f4 Rd4 35.Qd4 Nf7 36.Bc4 Qd6 37.Qe4 cb5 38.Bb5 Qc7 39.Ba4 Nd6 ½–½. Benko,Pal C – Lengyel,Levente, Voros Lobogo, 1955.

8.Bc4 Bg4 9.0-0 Nbd7 10.h3 Bf3 11.Qf3 (< 11.gf3 Nb6 12.Bd3 Nfd5 13.Nd5 Nd5=+) 11...e5 12.de5 (12.Rfd1 ed4 13.Rd4 Qe7+=) 12...Ne5= 13.Qe2 Nc4 14.Qc4 Qe7 15.Rfd1 Rfd8 16.Rd8 Rd8 17.Rd1 Rd1 18.Nd1 Nd5 19.Bg7 Kg7 20.a3 ½–½. Marovic,Drazen – Cuderman,Vinko, YUG–ch Zagreb, 1961.

9.Bb3 Bb7 10.0-0 a5 11.ba5 Qa5 12.Qc2 Nbd7 13.Rac1 (13.Ne4 Ne4 14.Qe4 e6+=) 13...Nb6 (better 13...c5!? 14.dc5 Nc5=+) 14.Ne4 Nbd5 (14...Na4 15.Nc5 Nc5 16.Qc5+=) 15.Nc5+/- Bc8 16.Ne4 (16.Ne5!?+/-) 16...Nb4 (better 16...Bb7=) 17.Qd2?? (better 17.Nf6 Bf6 18.Qe2+=) 17...Ne4-+ 18.Qe2 Qb6 (18...Ra6 19.a3 Nd5 20.Qc2-+) 19.Rfd1? (19.a3 Nd5 20.Qc2 Bf5 21.Qc6 Qc6 22.Rc6 e6-+) 19...Bb7 (19...Na2 20.Ba2 Ra2 21.Qc2-+) 20.h3?! (20.a3 Na6 21.Bc2-+) 20...Na2 21.Ba2 (21.Rc2 Nb4 22.Rcc1 Rfc8-+) 21...Ra2 22.Ra1 Nc3! 23.Qc2 (23.Bc3 Re2 Pinning (23...Re2 Deflection)) 23...Nd1 24.Ra2 Nb2 25.Rb2 Ra8 26.Rb1 Qa5 27.e4 (27.Rc1 Qd8-+) 27...Qa2 28.Qd1 (28.Qc1 c5! 29.Rb5 Be4 30.Rc5 Bf3 31.Rc8 Rc8 32.Qc8 Bf8 33.gf3 Qa1 34.Kg2 Qd4-+) 28...Ra3 (28...Rd8 29.Ra1 Qc4 30.Ra7 Bd4 31.Nd4 Rd4 32.Qg4 Re4 33.Qf3-+) 29.d5 (29.Rc1 Qe6 30.Qe2 h6-+) 29...cd5 (better 29...Qb1 30.Qb1 Ra1 31.Qa1 Ba1 32.dc6 Bc6 33.Nd2-+) 30.ed5 (30.Rb5 Qa1 31.Qa1 Ra1 (31...Ba1?! 32.Rb7 de4 33.Nd2-+) 32.Kh2 de4 33.Rb7 ef3 34.Re7 Kf8-+) 30...Bd5 (better 30...Qb1 31.Qb1 Ra1 (31...Bd5?! 32.Qb5 Bf3 33.gf3=+) 32.Qa1 Ba1-+) 31.Ng5 (31.Rb5 Bf3 32.Rb8 Bf8 33.gf3 Qc4-+) 31...h6 (better 31...Rg3! 32.Qd5 Qd5 33.fg3 Qg5-+) 32.Rb5 hg5 (better 32...Be5!? 33.Nf3 Qc4 34.Ne5 Qb5 35.Ng4-+) 33.Rd5 Qb2 34.Kh2 (34.Ra5-+) 34...Be5 35.Re5 Qe5 36.g3 Ra2 37.Qf3 (37.Kg2 Ra1 38.Qd8 Kh7-+) 37...Qe2 (better 37...Qe1 38.Qg2 Rf2 39.g4-+) 38.Kg2 (38.Qe2 Re2 39.Kg2 e5-+) 38...Qf3 (better 38...Qe1 39.g4 e5 40.Qf6-+) 39.Kf3 Kg7 40.g4 (40.Ke3 f5-+) 40...f5 41.Kg3 (41.Kg2 e5 42.Kf1 e4 43.gf5 Ra1 44.Ke2 gf5-+) 41...Ra3 (41...e5!? 42.Kg2 e4 43.gf5-+) 42.f3 fg4 43.hg4 Kh6 (43...Kf6 44.Kf2 Ke5 45.Kg3-+) 44.Kf2 (44.Kg2-+) 44...Kg7 45.Kg3 Kf6 46.Kf2 Ke5 47.Kg3 Rd3 48.Kf2 Kf4 49.Ke2 Rf3 50.Kd2 If White now would get e5 in, he might survive 50...Kg4 51.Ke2 (51.Kc1 Kf4 52.Kb1 Rf2 53.Kc1 g4 54.Kd1 g3 55.Ke1 e5 56.Kd1 g2 57.Ke1 g1Q) 51...Rf8 (51...Kf4 52.Kd1 g4 53.Kd2 g3 54.Ke2 g2 55.Kd2 g1Q 56.Kc2 Qg2 57.Kd1 Rf1) 52.Ke3-+ Kh3 53.Ke4 g4 54.Ke5 g3 (54...Rf6 55.Kd4 g3 56.Kd3 g2 57.Ke4 Re6 58.Kd3 Rd6 59.Kc3 g1Q 60.Kc4 Qd4 61.Kb3 Rb6 62.Kc2 Rb2 63.Kc1 Qd2) 55.Ke6 g2 (55...g2 56.Kd5 g1Q 57.Kc4 Qc1 58.Kd3 Rf3 59.Kd4 Qc3 60.Kd5 Rd3 61.Ke4 Qd4) 0-1. milanbelobrk (1950) - OEXPL (2065), Rated Blitz game, lichess.org, 2014. (=1.e3 d5 2.Nf3 c6 3.c4 g6 4.d4 Bg7 5.Nc3 Nf6 6.b4 0-0 7.Bb2)

9.Bb3 Bb7 10.0-0+= Nbd7 11.h3 (11.Qc2 a5 12.a3 e6+=) 11...a5= 12.ba5 (12.a3 e6=) 12...Qa5 13.Qc2 (better 13.Nd2=) 13...Qc7 (better 13...c5!? 14.dc5 b4=+) 14.Rac1 (14.Nb5 Qa5 15.Na3 Qh5+/-) 14...Qd8 15.Ne4 Ne4 16.Qe4 Attacking the backward pawn on c6 16...Nf6 (16...Ra7 17.Ng5 e5 18.Qg4+=) 17.Qc2 Qd7 18.Ne5 Qd6 19.Nf7 (better 19.Rfd1!?+=) 19...Rf7=+ 20.Bf7 Kf7 21.a3 Nd5 22.e4 (22.Qb3 Qe6=+) 22...Nb6-/+ 23.e5 (23.Qb3 Nc4-/+) 23...Qe6 (23...Qd5 24.f4-/+) 24.Qc5 Nc4 25.Rc2 Bf8 26.Qb4 (26.Re1!?-/+) 26...Qd5-+ 27.Qb3 e6 28.Rfc1 (better 28.Ra1-+) 28...Ba3 (28...Na3?! 29.Qd5 ed5 30.Ba3 Ra3 31.Kf1-+) 29.Rc4 Bb2 (29...c5!? 30.Qf3 Qf3 31.gf3 Bb2 32.Rc5 Bc1 33.Rc7 Kg8 34.Rb7-+) 30.Qb2 Ba6?? (better 30...c5 31.f3 bc4 32.Rc4 Ra1 33.Qa1 Qc4 34.dc5 Qc5 35.Kh1 Bd5-+) 31.Rc6+- Bb7 32.R1c5 (32.Rc7 Kg8 33.f3 Ra2 34.Rb7 Qb7 (34...Rb2?? 35.Rc8 Qd8 36.Rd8) 35.Qa2 Qb6 36.Qa8 Kg7+-) 32...Qe4? (32...Qc6 33.Rc6 Bc6+-) 33.Rc7 Kg8 34.f3 Qe3 35.Qf2 (better 35.Kh1 Bf3 36.gf3 Qf3 37.Qg2 Ra1 38.Rc1 Rc1 39.Rc1+-) 35...Ra1-+ 36.Rc1 Rc1 37.Rc1 Qc1 38.Kh2 (38.Qf1 Qe3 39.Qf2 Qg5-+) 38...Kg7 (38...b4 39.Qa2 Bd5 40.Qa7-+) 39.Qh4 (39.Qe2 Bc6 40.Qa2-+) 39...Qc7 (better 39...g5 40.Qf2 Bd5-+) 40.Qf6=+ Kg8 41.Qe6 Qf7 42.Qd6 Bd5 43.Qb8 Kg7 44.Qb5 Qf4 45.Kg1? (better 45.Kh1 Qd4 46.Qd7 Kh6 47.Qd6=+) 45...Qd4-+ 46.Kh2 Qe5 47.Kg1 Qe1 48.Kh2 Qe5 49.Kg1 Qe6 50.Qb2 Qf6 51.Qf6 Kf6 52.Kf2 h5 53.g3 (53.h4 Ke5-+) 53...Kf5 (53...g5 54.Ke2-+) 54.Ke3 (54.h4 Kf6-+) 54...Bc6 (better 54...g5-+) 55.g4? (55.h4-+) 55...hg4 56.hg4 Kg5 57.Kf2 Bd5 (better 57...Kf4-+) 58.Kg3 Be6?? (better 58...Kf6 59.f4 Bb3-+) 59.f4= Kf6 60.f5 gf5 61.gf5 Bf5 ½-½. milanbelobrk (1950) - OEXPL (2060), Rated Blitz game, lichess.org, 2014. (=1.e3 d5 2.Nf3 c6 3.c4 g6 4.d4 Bg7 5.Nc3 Nf6 6.b4 0-0 7.Bb2)

9.Bd3 a5 10.a3 Na6 11.0-0 ab4 12.ab4 Bb7 13.Qb3 Qd6 14.Ba3 Nc7 15.Ng5 Nfd5 16.Nce4 Qd8 17.Nc5 Bc8 18.Rac1 h6 19.Nf3 Qd6 20.h3 Ne6 21.Ne4 Qd7 22.Rfd1 Bb7 23.Nfd2 Ra7 24.Nc5 Nc5 25.dc5 Rfa8 26.Nb1 Qe6 27.Be2 Qe5 28.Bf3 Qa1 29.Bd5 cd5 30.c6 Bc8 31.Rd5 Ra3 32.Rd8 Kh7 33.Qf7 Qa2 34.Qe8 Bf5 35.Na3 Rd8 36.Qd8 Qa3 37.Rd1 Qb4 38.c7 Qc5 39.Rd5 Qc1 40.Kh2 Be6 41.Rd1 Be5 42.f4 Bf4 43.ef4 Qf4 44.Kh1 Qh2 45.Kh2 1–0. Deb,Akash – Lewis,Ed, LERA Memorial Day Ch, Rd, 1998.

9.Be2 a5 10.ba5 Qa5 11.0-0 Na6 12.Ne5 Bb7 13.Qb3 b4 14.Na4 c5 15.Nc4 Qc7 16.Ncb6 Ra7 17.Rfc1 Bc6 18.dc5 (worse 18.Nc5 Qb6 19.Ba6 Ra6 20.Na6 Qa6=) 18...Rd8 19.Ba6 Ra6 20.Qb4?? (20.Rc4 Ra5+/-) 20...Rb8?? (better 20...Ba4!? 21.Bf6 Bf6 22.Na4 Ba1 23.Ra1 Qa5 24.Qa5 Ra5-+) 21.Nc3+= Qb7 22.f3 Nd7 23.Ne4 Bb2 24.Qb2 Be4 25.fe4 Nb6 26.cb6 Qe4 27.b7 Qb7 28.Qb7 Rb7 29.a4 (29.Rc2!?=) 29...Rb4=+ 30.a5 Rb5 31.Rc3 Raa5 32.Ra5 Ra5 33.Kf2 f5 34.Kf3 Ra4 35.h3 h5 36.Rc6 Kf7 37.g3 h4 38.g4 fg4 39.hg4 g5 40.Rc5 Kf6 41.Rf5 Kg6 42.Re5 Ra7 43.Re6 Kf7 44.Re5 Kf6 45.Rf5 Kg6 46.Re5 Ra2 (better 46...Rd7!?-+) 47.Re7=+ Rh2 48.Ra7 Rh3 49.Ke4 Rg3 50.Ra6 Kf7 51.Ra7 Ke6 52.Ra6 Ke7 53.Ra7 Ke6 54.Ra6 Ke7 55.Ra7 ½-½. Blackburn,J (2185) - Pg,Md (2125), 43rd Olympiad, 2018. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Nf3 c6 7.Bb2 dc4)

10.ba5 Qa5 11.0-0 b4 12.Na4 Ba6 13.Re1+/– Bb5 14.Nc5 Nbd7 15.a4 ba3 (15...Ba6 16.Rc1+/–) 16.Ba3 Nc5 (16...Qc7 17.Qc2+/–) 17.Bc5 (17.dc5?! Qc3=) 17...Qc7 18.Qc2 Rfe8 19.e4 (19.Reb1 e6+/–) 19...e6 20.e5 Nd7 (20...Nd5 21.Nd2+/–) 21.Bd6 Qb7 22.Ng5 Ra1+= 23.Ra1 c5 24.dc5 Ne5= 25.Re1 Nd3 26.Re3 Qa6 27.h4 Bd4–/+ 28.Rf3 Qa1 29.Kh2 Qf1?? 30.Bc4+– Bc4 31.Qc4 Bf2 32.Nh3 Qe1 33.Qd3 Bc5 34.Bg3 Qa1? 35.Qb5 (35.Qb5 Rc8 36.Rf7+–) 1–0. Zhu Chen – Piankov,Evgenij, It (open), Ubeda (Spain), 1998.

10.ba5 Qa5 11.0-0 b4 12.Na4 Ba6 13.Re1+/– Bb5 14.Nc5 Nbd7 15.Qc2 e6 16.Rac1 (better is 16.a4!? ba3 17.Ra3+/–) 16...Nc5= 17.Qc5 Nd7 18.Qe7 (18.Qc2 Rfc8=) 18...Bf6 (18...c5 19.Ba1=+) 19.Qd6 (< 19.Qd7 Rfd8 20.Ne5 Rd7 21.Nd7 Bg7–/+) 19...Rfd8 20.Qf4 c5 (20...Ba4 21.e4=) 21.e4 c4 22.Bc4 Bc4 23.Rc4 Qb5 24.Rc2 Ra2 25.e5 b3 26.Rd2 Bg7 27.d5 Nc5 28.Ng5 Rf8 29.Qf3 Bh6–/+ 30.h4 Qb4 31.Qe3 ed5 32.Red1 Ne6 33.Qg3 Rc8 34.Rd5 Bg5 (34...Bg5 35.hg5 Rb2–+) 0–1. Zhu Chen – Aronian,L, 05, Anibal op Linares ESP, 1998.

10.ba5 Qa5 11.0-0 Bb7 12.Re1 (12.Rc1 Nbd7+=) 12...c5 13.dc5 Nfd7 14.Qc2 e6 (14...Bf3 15.gf3 Nc5 16.Nd5=) 15.Nd4+= Nc5 (15...b4!? 16.Na4 Nc6+/–) 16.Ncb5 Nba6 17.Nd6 Nb4 18.Qd2 e5 (18...Rfb8!?+/–) 19.Nb7+– Nb7 20.Bc3 ed4 21.Bb4 de3 22.Re3 Qb5 23.Bf8 Ba1 24.Bh6 Rd8 25.Qe1 Bf6 26.Rf3 Re8 27.Qb1+– Nd6 28.h3 Qa5 29.Re3 Re3 30.Be3 Nf5 31.Qc1 Ne3 32.Qe3 Be5 33.f4+– Bc7 34.Qe8 Kg7 35.Qf7 Kh6 36.Qf8 Kh5 37.Bd1 Kh4 38.Kh2 (38.Kh2 Qg5 39.Qh6 Qh6 40.g3) 1–0. Jenei,Ferenc – Lengyel,Levente, Gecsei Memorial, 1955.

10.ba5 Qa5 11.0-0 Bb7 12.Rc1 Nbd7 13.e4 b4 14.e5 bc3 15.Bc3 Qa6 16.ef6 Bf6 17.Ne5 Rad8 18.Qg4 Bc8 19.Qg3 Ne5 20.de5 Bg7 21.Bb4 Qb7 22.Qh4 g5 (22...Rfe8!? 23.Ba4 Bd7 24.Be7 Rc8+/-) 23.Qe4+- c5 24.Qb7 Bb7 25.Bc5 Rde8 (25...Rfe8 26.Ba4 Be5 27.Be8 Re8 28.Rfd1+-) 26.Rfe1 h6 27.Bb4 Bc8 28.Ba4 Be6 29.Be8 Re8 30.a4 Kh7 31.h3 h5 32.Rc7 Kg6 33.Be7 (33.a5!? Ra8+-) 33...Ra8 34.Re4 Kf5 35.f3 Bd5 36.Rd4 Ke5 37.Bc5 (37.Rb4 Bf8+-) 37...Bf8 (37...h4 38.Kf2+-) 38.Rd1 Bh6 39.Bd4 Kd6 40.Ra7 (better 40.Rc2!? Ke6 41.Re2 Kd7+-) 40...Ra7 41.Ba7 Bg7 (41...f5 42.a5 Ke6 43.Bc5+-) 42.Be3 1-0. Malmstig,E (2305) - Von Bahr,O (2415), Vasteras Open, 2018. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 dc4)

10.ba5 b4 11.Na4+= Qa5 12.0-0 Ba6 (12...Ne4 13.a3+=) 13.Re1+/– Nbd7 14.Qc2 (14.a3 Rfb8+/–) 14...Rfc8+= 15.Rec1 e6 (15...Bb5 16.Nc5 Nc5 17.Qc5 e6+=) 16.Nd2 (16.a3!?+/–) 16...Bb5= 17.Nc4 Qc7 (17...Bc4 18.Qc4 Nd5 19.Qc2=) 18.Nc5 (18.a3 Ng4 19.g3 Bf8+=) 18...Nc5= 19.dc5 Bc4 20.Qc4 Ng4 21.Bg7 Qh2 22.Kf1 Qh4 23.g3= Qh3 24.Ke2 Kg7 25.Rh1 Nh2 26.Qf4 Rd8 27.Rag1+= Qg4 28.f3 Qh5 29.g4+/– Qc5 30.Rc1 Qb5 31.Qc4 Qb8= 32.Qf4 Qb5 33.Ke1 Nf3 34.Qf3 Qd3 35.Rh2 Rd7 36.Re2 Rc8 37.Rc6 Qb1 38.Kf2 Rc6 39.Qc6 Qd3 40.Bc2 Qd5 41.Qd5 Rd5 42.e4 Rc5 43.Bb3 (43.Bb3 Kf6 44.Rd2+/–; 43.Bd3 h5 44.Rb2 hg4 45.Rb4 f5+/–) 1–0. Kholmov,R – Filip,M, Bucharest, 1954. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 dc4 8.Bc4 b5)

9.0-0 Nb6 10.Bb3 Nfd5 11.Nd5 Nd5 12.Ne5 Nb4 13.Qf3 Be5 14.de5 Nd3 15.Bc3 Qc7 16.Rad1 Ne5 17.Be5 Qe5 18.Rd4 c5 19.Re4 Qf6 20.Rf4 Qg7 21.Rd1 h5 22.Rd8 Rd8 23.Rf7 Qa1 0–1. Nautiluschess – DavideMilano, ICS blitz, 2000.

9.0-0 Nb6 10.Bd3 Nfd5 11.a3 Bg4 12.h3 Be6 (12...Nc3 13.Bc3 Bf3 14.Qf3=) 13.Ne4+= Bf5 14.Nc5 Bd3 15.Qd3 Rb8 16.Rfd1 e6 17.g3 Nd7 18.Rac1 Nc5 19.Rc5 Qe7 20.Qb3 Rfd8 21.Rdc1 Nf6 22.a4 Ne4 23.R5c2 Bf8 24.b5 cb5 25.ab5 Qf6 26.Kg2 Rd5 27.Ne5 h5? 28.f3+– Ng5 29.e4 Rdd8 30.h4 Nh7 31.Rc7 g5 32.Rf7 Qh6 33.Rcc7 gh4 34.Bc1 h3 35.Kh3 Ng5 36.Bg5 Qg5 37.Qe6 (37.Qe6 Qg3 38.Kg3 h4 39.Kh4 Bb4 40.Rh7 Kf8 41.Qf7#) 1–0. Grabov,Steen (2270) – Jiretorn,Eva (2170), Aarhus Sommer, 1995. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 c6 7.Nf3 dc4)

9.0-0 Nb6 10.Bd3 Bg4 11.Be2 Nfd5 12.a3 Nc3 13.Bc3 Qd6 14.Ne5 Na4 (15.Qa4 Be2=). NathanStack – marekt, ChessWorld.net, 2004.

9.a3 Nb6 10.Bd3 Bg4 (10...Be6 11.0-0=) 11.0-0 (11.h3 Be6=) 11...e5+= 12.de5 (better is 12.h3!? ed4 13.ed4 Bf3 14.Qf3 Qd4 15.Rfd1=+) 12...Nfd7=+ 13.e6 Bf3 14.gf3 (14.Qf3?? Ne5 15.Qh3 Qd3–+ (15...Nd3?! 16.Rad1–+)) 14...Ne5 15.e7? (15.Be2 Nec4 16.Bc4 Nc4 17.Qe2 Nb2 18.Qb2 Qg5 19.Kh1–+) 15...Qe7–/+ 16.Qe2 (16.f4 Nd3 17.Qd3 Rfd8–+) 16...Qh4 17.Kg2? (better is 17.Ne4 Nf3! 18.Qf3 Bb2 19.Rab1–+) 17...Nd3 18.Qd3 Nc4 19.Ra2 (19.Qe2 Rfd8 20.Rfd1 Qg5 21.Kf1 Nb2 22.Qb2 Qf6–+) 19...Rad8 (19...Rad8 20.Qe4 Qe4 21.fe4 Rd2–+) 0–1. Johansson,Ja (2350) – Mirumian,V (2555), A64 Open, Olomouc CZE, 2000.

9.Bb3 Nb6 10.b5 cb5 11.Nb5 Nbd5 12.a4 Bf5 13.0-0 a6 14.Na3 Rc8 15.Nc4 Ne4 16.a5 Qd7 (16...Bg4 17.h3 Nec3 18.Bc3 Nc3 19.Qd3 Bf3 20.Qc3=) 17.Nfe5+= Qb5 18.Ra3 (18.Ba4 Ndc3 19.Bc3 Nc3 20.Bb5 Nd1+/–) 18...Nec3 19.Qa1 Qb4 20.Re1 (better is 20.Bc3!? Nc3 21.Qb2=) 20...Nb5–/+ 21.Ba2 Be5 22.Ne5 Na3 23.Ba3 Qa3 24.Bd5 Qa1 25.Ra1 Rc7 26.g4 Bd7 27.Kg2 Bb5 28.g5 e6 29.Be4 Rb8 30.h4 b6 31.ab6 Rb6 32.Nd3 Bd3 33.Bd3 Rcc6 34.Kg3 Kf8 35.Kf4 Ke7 36.Ke5 Rb2 37.Ba6 Rf2 38.Bd3? (38.e4 Rcc2 39.Bd3 Ra2–/+) 38...Rc7 39.h5? Rd7 40.Be4 gh5 41.Rh1 h6 42.Bc6 Rc7 43.d5 Rf5 44.Kd4 Rg5 45.e4 Kd6 46.Rh3 e5 47.Kc4 Rg4 48.Rh5 Re4 49.Kb5 Rg4 50.Rh6 Rg6 51.Rh8 e4 52.Rd8 Ke5 53.Re8 Kd4 54.Kb6 0–1. Balinsky,Vladimir – Kobylkin,Evgeni (2380), UKR–ch Sevastopol, 2000. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 c6 6.c4 d5 7.Nc3 dc4)

9.Rc1 Nb6 10.Bd3 1–0. Brunsteins,Daniel (2235) – Johannesson,Ingvar (2300), AP–2004–Q–00007, 2004. (=1.d4 Nf6 2.c4 g6 3.Nc3+= d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 dc4 8.Bc4 Nbd7)

8.a3 a5=.

8.a3 Nb6 9.c5 Nbd7 10.Be2 Qc7 11.Qb3 e5 12.Ne5 Ne5 13.de5 Qe5 14.Nb5 (better is 14.0-0!?=) 14...Qg5–/+ 15.Nd4 Qg2 16.Bf3 Qh3 17.0-0-0 Bg4 18.Be2 (18.Bg4 Ng4 19.Rd2 Ne5–+) 18...Be2 19.Ne2 b6 20.Bd4 (20.Qc2 Qh4 21.Nd4 Ne4–+) 20...bc5 21.Bc5 Rfe8 22.Bd4 Ne4 (22...a5!? 23.Bf6 Bf6 24.Kd2–+) 23.Bg7 Kg7 24.Nf4 Qf5 25.h4 Qe5 26.Nd3 Qf6 27.h5 a5 28.hg6 hg6 29.Rdg1? ab4 30.ab4 Ra1 31.Kc2 Ra2 32.Qa2–/+ Qc3 33.Kd1 Qd3 34.Kc1 Ra8 35.Qb2 f6 36.Rd1 Qc4 (36...Qc4 37.Kb1 Nc3 38.Kc1 Nd1 39.Kd1 Ra2 40.Qa2 Qa2–+) 0–1. Otteson,Milton – Benko,Pal C, USA–ch op, 1961. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.a3 Ne4 9.cd5 Nc3 10.Bc3 cd5 11.Be2 Nb6 12.Qb3 Bd7 13.b5 Nc4 (13...Qe8 14.Nd2=) 14.Nd2 (14.Bc4!? dc4 15.Qc4+=) 14...Rc8= 15.Nc4 dc4 16.Qb4 (16.Bc4? Qc7 17.Bf7 Rf7–+) 16...Qb6 17.a4 (17.Bc4? Qc7 18.Bf7 Rf7–+) 17...Bf6 18.Rc1 (worse is 18.Bc4 Qc7 19.Bd5 Qc3 20.Qc3 Rc3 21.Bb7 Bf5–/+) 18...Be6 19.0-0 Bd5 20.Bd2 Qe6 21.Qc3 a6 22.f3 ab5 23.ab5 Qd7 24.Rb1 Bg7 25.Kh1 f5 (25...Rfe8 26.f4=) 26.Rfc1 Rfe8 27.Qb4 Qe6 28.Bf1 Qf7 29.Rc2 e5 30.de5 Be5 31.Rbc1 g5 32.Bc4 Rc4 33.Rc4 Qh5 34.f4 Qe2 35.e4 Bc4 36.fe5 Bb5 37.Bg5 Bc6 38.Re1 Qg4 39.Qc4 Kg7 40.Bf6 Kh6 41.h3 Qg3 42.Qc1 Kg6 43.ef5 Kf5+= 44.Rf1 Ke6 45.Qd2 Qh3 46.Kg1 Qa3 47.Qf4 Kd7 48.Qf5 Kc7 49.Qh7 Kb8 50.Qf5 Rg8 51.Rf2 Qe3 52.Kh2 Be4 53.Qe6= Qf2 54.Qg8+/– Ka7 55.Qg4 Qf5 56.Kg3 Qg4 57.Kg4 Bg2 58.e6 Bd5 59.e7 Bf7 ½–½. Sauer,Siegfried – Schiff,Armin (2220), Mehlingen op, 1997. (=1.Nf3 d5 2.d4 g6 3.e3 Bg7 4.c4 c6 5.Nc3 Nf6 6.b4 0-0 7.Bb2 Nbd7)

8.a3 e5 9.cd5 (9.Ne5 Re8+/-) 9...ed4+= 10.Nd4 Nd5 11.Nd5 cd5 12.Be2 Ne5 13.0-0 Nc4 14.Bc3 Be6 15.Ne6 fe6 16.Bg7 Kg7 17.e4 b5 18.a4 a6 19.ab5 ab5 20.Ra8 Qa8 21.Qd4 Kg8 22.ed5 (22.Bg4 Qc6 23.ed5 Qd5+=) 22...Qd5+= 23.Qd5 (23.Rd1!? Qd4 24.Rd4+=) 23...ed5=+ 24.Rd1 Rd8 25.Rd4 Kf7 26.Kf1 Ke6 27.f4 Ne3 28.Kf2 Nf5 (28...Nc2 29.Rd2 Nb4 30.Rb2=) 29.Bg4 (29.Rd2 Rb8=) 29...Kf6 (29...Rc8 30.Bf5 gf5 31.Ke3=+) 30.Bf5=+ Kf5 31.h3 (31.Kf3 h5=) 31...h5 (31...Ke6 32.Ke2=+) 32.Kf3 (32.g3 Ke6=) 32...Ke6 33.g4 hg4 34.hg4 Ra8 35.Kg3 (35.Rd3 Ra4=) 35...Ra3 36.Kh4 Ra1 (36...Rc3!? 37.Kg5 Rc4=) 37.Kg5+= Rg1 38.Kh4 (38.Rd3 Kd6+=) 38...Rh1 39.Kg5 Rg1 40.Kg6 (better 40.Rd3!?+=) 40...Rg4=+ 41.Kh5 Rg1 42.Kh4 Kd6 43.Kh5 Rg3 44.f5 (44.Rd1 Rb3=+) 44...Rf3 (better 44...Ke5 45.Rd2 Rg1-/+) 45.Kg5?? (better 45.Kg4 Rf1 46.Rd3=) 45...Ke5-+ 46.Rd1 Rf5 47.Kg4 (47.Kg6 Rf3-+) 47...Rf4 48.Kg3 Rd4 (48...Rb4 49.Re1 Re4 50.Rb1-+) 49.Re1 Kd6 (49...Kf5 50.Rb1-+) 50.Kf3? (better 50.Rb1-+) 50...Rb4 51.Ke3 (51.Rc1 Rb3 52.Ke2 b4-+) 51...Kc5 (51...Re4 52.Kd2 Re1 53.Ke1 d4-+) 52.Rc1 Rc4 53.Rb1 (53.Rf1 b4-+) 53...b4 54.Kd3 Rc3 55.Kd2 Kc4 Black plans b3 56.Rd1 (56.Rh1-+) 56...b3 (56...Rd3 57.Ke2 Rd1 58.Kd1-+) 57.Rb1 (57.Rh1 b2-+) 57...Rc2 58.Ke3 b2 59.Kf3 Kc3 60.Ke3 Rc1 (60...Rc1 61.Rb2 Re1 62.Kf2 Kb2 63.Ke1 Kc2-+) 0-1. ahmad_ (1640) - alymbek (1615), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2)

8.a4 dc4 9.Bc4 a5 10.ba5 Qa5 11.0-0 Nb6 12.Bd3 Be6 13.Nd2 Nfd5 14.Ra3 Rfd8 15.Nd5 Nd5 16.Nb3 Qc7 17.Qd2 f5 (17...Nf6 18.Nc5+=) 18.a5 Bf7 19.Rb1 (19.Nc5 Ra7+/–) 19...e5 20.de5 Be5 21.Be5 Qe5 22.Nc5 (22.Nd4 c5 23.Nf3 Qc7+=) 22...b6= 23.Nb7?? (better is 23.Na6 Qe7 24.Qb2=) 23...Rd7 24.a6 c5?? (24...Rb7 25.ab7 Ra3+/–) 25.Bc4 Nf6 26.Bf7 Kf7 27.Rd3 Rd3 28.Qd3 Qd5 29.Qe2 Qe6 (29...Qc6 30.Qc4 Kg7 31.Rd1+/–) 30.Qb5+/– Nd5 (30...Ne4 31.Qb6 Qa2+/–) 31.Rd1 (better is 31.Nc5 Qd6 32.Nb7+–) 31...Kf8 32.h3 Nc3 33.Nc5 Nb5 34.Ne6 Ke7 ½–½. Portisch,Lajos – Radovici,Corvin, Asztalos Memorial 5th, 1962.

8.a4 dc4 9.Bc4 Nb6 10.Bb3 Nbd5 11.Nd5 Nd5 12.Qd2 (12.b5 Qb6+=) 12...Bf5 13.0-0 h6 (13...Qd6 14.b5=) 14.Ne5 (14.Rfe1 Be6+=) 14...Qd6 (14...Qb6 15.b5=) 15.Ba3 (better is 15.b5=) 15...Nf6?? (better is 15...Be5 16.de5 Qe5+=) 16.b5+– c5 (16...Ne4 17.Qa2 Qd8 18.Nf7 Qc7+–) 17.Qa2 (17.Bc5 Ne4 18.Qa2 Nc5 19.Nf7 Qf6 20.Nh6 Kh7 21.Nf5 Qf5+/–) 17...Qc7 (17...Be6 18.Be6 Qe6 19.Qe6 fe6 20.Ng6+–) 18.Bf7 Kh7 19.Rac1 b6 (19...Nd7 20.Nd7 Qd7 21.Rc5+–) 20.f3 Qd6? (20...Nd7 21.Nc6 Nb8 22.Nb8 Rab8 23.dc5+–) 21.Bb3 (21.g4 Ng4 22.fg4 Be4+–) 21...Ne8 (21...Nd7 22.Nd7 Bd7 23.dc5+–) 22.Nc6 Bd7 23.dc5 Qd3 24.Rfe1 Bc6 25.bc6 bc5 (25...Bf6 26.cb6 ab6 27.c7+–) 26.Bc5 Nd6 27.Bc2 (27.c7 Rac8 28.Red1 Qa6 29.Bd6 ed6+–) 27...Qa6 28.Qb1 (better is 28.Bd6 ed6 29.c7 Rac8+–) 28...Rf6 (28...Qc6 29.Bg6 Kh8+–) 29.Bd4 Re6 (29...e5 30.Be5 Re6 31.Bg6 Rg6 32.Bd6+–) 30.Bb3 Bd4 (30...Rf6 31.Bf6 Bf6 32.c7+–) 31.Be6 Bf6 (31...Bb6 32.c7+–) 32.c7 Nc8 (32...Re8+–) 33.Bd5 1–0. Maisuradze,Nino (2255) – Stoyanov,Viktor (1950), Hastings Masters, 2018. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.a4 dc4 9.Bc4 Nb6 10.Bd3=.

8.a4 Qc7 9.Qb3 (9.Rc1 Nb6 10.c5 Nbd7=) 9...dc4= 10.Bc4 e6 (10...Nb6!?=) 11.a5+= Rb8 12.0-0 a6 (12...Rd8 13.Rfc1+=) 13.Rfc1 (13.e4 b6+/–) 13...Qd8 (13...Rd8 14.Qc2+=) 14.Na4 (14.e4 b6+/–) 14...Nd5 (14...Qe7 15.Ba3 Qd8 16.Nc5+/–) 15.e4 Nc7 (15...N5f6 16.Re1+/–) 16.Nc5 Qe7 17.Rd1 Nb5 (17...h6 18.Bc1+/–) 18.Bb5 (18.Bc1 Nc5 19.bc5 e5+/–) 18...ab5 19.e5 Ra8 20.Ne4 (20.Bc1 h6+/–) 20...Nb8 (20...f6 21.Nc5 Re8 22.Qe3+/–) 21.Nd6 (21.Bc1 h6+/–) 21...Na6 22.Nd2 ½–½. Myslowski,Karol – Durpaire,Andre, Paris–ch, 1990.

8.a4 e6 9.cd5 cd5 (9...Nd5 10.Nd5 ed5 11.Be2=) 10.Be2 Nb6 11.Ne5 (11.0-0 Nbd7+=) 11...Nbd7= 12.Nd7 Bd7 13.0-0 a6 14.b5 ab5 (14...Qa5 15.Qd2+=) 15.Bb5 (15.ab5 Ra1 16.Qa1 Qa8+=) 15...Rb8 (15...Bb5 16.ab5 Ra1 17.Ba1=) 16.Qb3 Ne8? (better is 16...Bb5 17.ab5 Ra8=) 17.Ba3+– Bb5 18.Bf8?? (better is 18.Nb5 Nf6 19.Rfc1+–) 18...Bf1–+ 19.Bg7 Kg7?? (better is 19...Bc4 20.Qb4 Kg7–+) 20.Kf1 Nd6 21.Qb4 Nf5 22.g3 Ne7 23.Qc5 Rc8 24.Qb4 Nc6 25.Qb7+= Nd4 26.Nd5?? Rb8–+ 27.Qa7 ed5?? 28.Qd4+– Kg8 29.a5 Qd7 30.Kg2 Qb5 31.a6 Ra8 32.a7 Qc4 33.Qb6 Qe4 34.Kg1 Qe5 35.Rb1 Kg7 36.Qb7 Qe8 37.Qb8!! (37.Qb8 Rb8 38.ab8Q (38.ab8R?! Qd7+/–) 38...Qb8 39.Rb8+–) 1–0. eddieteijeiro (2155) – kabuniananitan (2045), net–chess.com, 2007. (=1.d4 c6 2.c4 d5 3.e3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Nbd7)

8.Qb3 a5 9.b5+= Nb6 10.bc6 bc6 11.Ne5 Qc7 12.Rc1 Rb8 13.Qa3 Nbd7 14.Nd7 Qd7= 15.Ba1 Qa7 (15...Qd8 16.cd5 cd5 17.Bd3=) 16.Bd3 (16.cd5 Nd5 17.Ne4 Re8+=) 16...Re8 (16...Bf5 17.Bf5 gf5 18.cd5 cd5 19.Qc5 Qc5 20.dc5=) 17.0-0 (17.cd5 cd5 18.Nb5 Qd7+=) 17...Bd7 18.Na4 e6 19.c5 (19.Nc5 Bf8+=) 19...Bc8 (19...e5 20.Nb6+=) 20.Rb1 (20.Nb6 Nd7 21.Nd7 Bd7+=) 20...Rb1 (20...Ba6 21.Rb6 Bd3 22.Qd3+=) 21.Rb1 Nd7 (21...Ba6!?+=) 22.Nb6+/– e5 (22...Nb6 23.cb6 Qa8 24.Bc3+/–) 23.Nd7 (23.Qa4 Qc7+–) 23...Bd7+/– 24.de5 Be5 25.Be5 Re5 26.Qc3 (26.Rb6 Re8+/–) 26...Re8 (26...Re6 27.Rb6+/–) 27.Rb6 Ra8 (27...f5 28.a4+/–) 28.Qb2 (28.Ra6 Qb7 29.Ra5 Rb8+/–) 28...Rd8 (28...Qc7 29.Rb7 Qc8 30.Qb6+/–) 29.h4 Be8 30.Qf6 Rb8 31.h5 Rb6 32.cb6 Qb6 33.h6 Kf8 34.Qh8?? (34.Qg7 Ke7 35.Bg6+–) 34...Ke7+= 35.Qh7 (35.Qh7 Qb2 36.Qg7+–) 1–0. Rachela,M (2210) – Solyomvari,R (2030), 3rd Savaria Summer Open, Szombathely HUN, 2003.

8.Qb3 Nb6 9.Ne5 dc4 10.Bc4 Nc4 11.Qc4 Nd7 12.Nd7 Bd7 13.0-0 a5 14.Ba3 Be6 (14...e5 15.de5 Be5 16.ba5=) 15.Qe2 b6 16.Rfd1 (16.b5 c5 17.Rfd1 cd4 18.ed4 Ra7=) 16...Qc7 (16...Qd6 17.Rab1=) 17.Rac1 (17.b5 Rfc8=) 17...ab4+= 18.Bb4 Qa7 (18...c5 19.dc5 bc5 20.Nb5+=) 19.a3 (19.Rc2 Rfc8=) 19...Rfd8 20.Ne4 h6 (20...Bd5 21.Nd2+=) 21.h4 Rac8 22.h5 Bd5 23.Ng3 c5 24.dc5+= bc5 25.hg6 cb4 26.Rc8 Rc8 27.Rd5 ba3 28.gf7 Kf8 29.Qg4+/– Qb8 30.Qa4?? Qb1–+ 31.Rd1 Qd1!! 32.Qd1 a2 0–1. Parcerias,P (2265) – Pereira,Rub (2310), XLVIII TCh–POR, 2006.

8.Qb3 dc4 9.Bc4 Nb6 10.Be2 Be6 11.Qc2 Nbd5 12.a3 Bf5 13.Qb3 Nc3 14.Bc3 Ne4 15.Bb2 (15.0-0 Qd6=) 15...a5 (15...Be6 16.Qc2 Bd5 17.Bd3=) 16.0-0 a4 (16...Qd6 17.ba5 Ra5 18.Rfc1= (18.Qb7?? Rb8 19.Qb8 Qb8–+)) 17.Qd1 Qd5 18.Nd2 (18.Rc1 Rfd8=) 18...Nd2 19.Qd2 e5 (19...Rad8 20.Qc3=) 20.Rfd1 (20.Rad1 e4+=) 20...ed4 (20...Rad8 21.Qc1 ed4 22.Bd4 Bd4 23.Rd4=) 21.Bd4+= ½–½. Hodzic,Nihad – Citak,Selim (2150), Mediterranean–ch 2nd, 2004. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Qb3 dc4 9.Bc4 Nb6 10.Be2 Be6 11.Qc2 Qd6 12.a3 Nbd5 (12...a5 13.e4 Nfd7 14.ba5 Ra5 15.h4=) 13.Na4 (13.e4 Nf4 14.Bf1 Nd7=) 13...Bf5 14.Bd3 Bd3 15.Qd3 Nd7 (15...a5 16.ba5 Ra5 17.Qc2=) 16.0-0 (16.Nc5 Nc5 17.bc5 Qe6=) 16...e5 (16...N5f6 17.e4 Nh5 18.Rfc1=) 17.de5 Ne5 (17...Be5? 18.Ne5 Ne5 19.Qd4+–) 18.Be5 Be5 19.Ne5 Qe5 20.Nc5 Qe7 21.Rfd1 Rfd8 22.Qc4 Rac8 23.Rac1 Nf6 24.h3 Ne8 25.Qb3 b6 26.Na4 Nd6 27.Rd3 Nb7 28.Rcd1 Rd3 29.Rd3 Rd8 30.Nb2 c5 31.Qc3 cb4 32.ab4 Rd3 33.Nd3 Nd6 34.Nf4 Ne4 35.Qd4 Nf6 ½–½. Bensdorp,Marlies (2115) – Ondersteijn,Niels, Hengelo U20 op, 2002. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Qb3 dc4 9.Bc4 Nb6 10.Ne5 Nc4 11.Qc4 Be6 12.Qe2 Nd7 13.f4 (13.Nd7 Qd7 14.0-0 Rfd8=) 13...Nb6 14.a4 f6 15.Nf3 Bc4 16.Qc2 e5 (16...e6 17.Ne4 Bd5 18.Nc5 Bf3 19.gf3=) 17.Ne4 a5 (better is 17...ef4!? 18.a5 Bd5 (worse is 18...fe3 19.ab6 Bd5 20.ba7+/–) 19.ab6 Re8+=) 18.ba5+/– (worse is 18.fe5 A) worse is 18...ab4 A1) 19.Nf6?! Bf6 20.ef6 Qf6= (20...Rf6? 21.a5+/–); A2) 19.a5+/–; B) 18...fe5 19.ba5 Ra5 20.de5 Qd3 21.Qd3 Bd3=) 18...Ra5 19.de5 (19.fe5?! fe5 20.de5 Qd3 21.Qd3 Bd3=) 19...Qd3 (19...fe5 20.Be5 Bd3 21.Qb3 Bc4 22.Qc3+/–) 20.Qd3 Bd3 21.Nf6 Bf6 22.ef6 Nd5 23.Ne5+– Bc2 24.f7 Rf7 25.Nf7 Kf7 26.Kd2 Ba4 27.e4 Nc7 28.Be5 Ne6 29.Rhc1 Ra6 30.Ke3 b5 31.f5 gf5 32.ef5 Nf8 33.Kf4 Nd7 34.Rd1! Ra7 35.Rd6 c5 36.Rh6 Kg8 37.Re1 b4? 38.Bd6 b3 39.Kg5 b2 40.Re8 Kf7 41.Re7 Kg8 42.Rhh7 (42.Rhh7 Ne5 A) worse is 43.Re5 Rh7 44.Re1 Rg7 45.Kf4 Bc2–/+ (45...Rg2?! 46.Rb1=); B) 43.Be5?! Re7 44.Rh8 Kf7 45.Bb2 Re2 46.Rh7 Kg8 47.Rg7 Kf8+–; C) 43.Rhg7 Kh8 44.Ra7 Nd7 45.Be5 Ne5 46.Kh6 Ng4 47.Rg4 Bd7 48.Ra8 Bc8 49.Rc8#; 42.Reh7 Nf6 43.Rh8 Kg7 44.Be5 Kf7 45.Bf6 b1Q 46.R6h7#) 1–0. Vahidi,R – Motamed,A, IRI–ch U20 Iran, 1994.

8.Rc1 a5 9.b5 dc4 10.Bc4 Nb6 11.Bd3 cb5 12.Nb5 Nfd5 13.0-0 Bd7 14.a3 e6 15.Qd2 Bh6 16.Rc2 f6 17.Rb1 Bc6 18.Qe1 Qd7 19.Bc1 Nc8 20.e4 Nf4 21.Bf1 g5 (21...Qd8!?+/–) 22.Bf4+– gf4 23.d5! Bb5 (23...ed5 24.ed5 Passed pawn) 24.Bb5 (24.Rb5?! e5+–) 24...Qe7 25.de6 Qa3 26.Nd4 Bg7?? (better is 26...Ne7+–) 27.Nf5 f3 (27...Rd8 28.Ra1 Qf8 29.Rc7+–) 28.Rc3 (28.Rc3 Qa2 29.Bc4+–; 28.Ng7?! Kg7 29.Rc7 Kg8+–) 1–0. Bagirov,Vladimir (2495) – Trenner,Rolf (2245), Oberliga Nord O, 1997. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Rc1 a6 9.a4 dc4 10.Bc4 b5 11.Bb3= a5 12.ab5 ab4 13.Na2 cb5 14.0-0 Bb7 15.Nb4 Qb6 (15...Qb8 16.Nc6 Qd6 17.d5+=) 16.Ne5 Qd6 17.Ned3 (17.Nbc6 e6=) 17…Rfc8 ½–½. Isajevsky,A (2455) – Atakisi,U (2390), Femida, Kharkiv UKR, 2006.

8.Rc1 a6 9.a4 dc4 10.Bc4 Nb6 11.Be2=.

8.Rc1 a6 9.a4 Re8 10.Qb3 Nb6 11.cd5 Nbd5 (worse is 11...cd5 12.a5 Nbd7 13.Nd5 Nd5 14.Qd5+/–) 12.b5 (12.Nd5 cd5 (12...Qd5? 13.Bc4 Qd6 14.Bf7 Kf8 15.Ng5+–) 13.Bd3 Bd7+=) 12...ab5 13.ab5 Nc3 14.Bc3 Be6 15.Bc4 (15.Qd1 Bd5=) 15...Bc4 16.Qc4 Qd5 17.Qd5 cd5 18.0-0 (18.Ke2 Ne4 19.Bd2 Nd2 20.Nd2 e5 21.de5 Be5= (worse is 21...Re5 22.Rc7+/–)) 18...Rec8 (18...Ne4 19.Be1=) 19.Bb4 Bf8 (19...e6 20.Rc8 Rc8 21.Ra1=) 20.Ne5+= e6 21.Bf8 Kf8 22.f3 Ke7 23.b6 Nd7 24.Nd7 Kd7+= 25.Rc8 Rc8 26.Rb1 Rc2 27.g4 g5 28.Rb3 f6 29.Ra3 e5 30.Ra5 Kc6–/+ 31.de5 fe5 32.e4 de4 33.Re5 ef3 34.Rg5 Kb6 35.Rh5 Rc7 36.Rf5+= Kc6 37.Rf3 b5 38.h4 b4 39.Kf2 Kd5 40.Ke2 Ke4 41.Rf8 Rc2 42.Kd1 Rg2 43.Rf7 Kd3 44.Rd7= Kc3 45.Rc7 Kd3 46.Rd7 ½–½. Petursson,M – Vladimirov,E, Hallsberg, 1975. (=1.c4 Nf6 2.Nf3 g6 3.Nc3 d5 4.d4 c6 5.e3 Bg7 6.b4 0-0 7.Bb2 Nbd7)

8.Rc1 a6 9.cd5 Nd5 10.Nd5 cd5=.

8.Rc1 Nb6 9.cd5 Nfd5 10.b5 Nc3 11.Bc3 cb5 12.Bb5 Be6 13.0-0 Ba2 14.Bb4 Bd5 15.Qe2 a5 16.Bc5 a4 17.Ra1 Qc7 18.e4 Bb3 19.Rac1 (19.Rfb1 Rfc8=) 19...Rfc8 20.Nd2 Bd4 21.Bd4 Qc1 22.Qe3 (22.Bb6 Qb2=) 22...Qa3 (22...Bd1 23.Qh6 f6 24.Bb6 a3–+) 23.Bb6+= Qb4 24.Qd3 (24.Qe2!?+=) 24...Bc2–/+ 25.Qd5 Bb3 (better is 25...a3!?–/+) 26.Qd3+= Bc2 27.Qd5 a3 28.h4 a2 29.Ra1 Bb1 30.Kh2 Qb2 31.Nb3 (31.Bd7 Qa1 32.Bd4 Qc3 33.Bc8 Qc8–+) 31...Bc2 32.Bd4 Qb3 (32...Bb3?! 33.Bb2 Bd5 34.ed5–+) 33.Qe5 f6 34.Qe7 Qf7 (34...Qb5 35.Bf6 Qe5 36.Be5 Rc7 37.Qc7 Kf8 38.Qg7 Ke8 39.Bf6 Be4 40.Qe7#) 35.Qd6 Be4 36.Re1 Rd8 (36...Ra5!? 37.Re4 Rb5 38.Re7–+) 37.Qf6 Qf6 38.Bf6 Bd5 39.Bd8 Rd8 40.Ra1 Bf7 41.Kg3 Rd2 42.Kf3 Kg7 43.Ke3 Rb2 44.Bd3 b5 45.g4 b4 46.g5 b3 47.Rc1 (47.h5 gh5 48.Bf5–+) 47...Rf2!! 48.Kf2 b2 (48...b2 49.Rb1 a1Q–+) 0–1. Pasqua,Giovanni (1905) – Kovacs,Arthur (2430), OP–2011–0-01875, 2011. (=1.e3 d5 2.Nf3 Nf6 3.d4 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Rc1 dc4 9.Bc4 Nb6 10.Bb3 Nbd5 11.Nd5 Nd5 12.Qd2 Qb6 13.e4 Nb4 14.0-0 a5 (14...Bg4 15.Ng5 Bf6 16.Bc3=) 15.Rc5 (15.Ne5 e6= 0.06 (15...Be5 16.de5 Rd8=)) 15...a4 (15...Rd8=) 16.Bc4 Rd8 17.Qf4 Rf8 (better is 17...e6 18.Bc3 Nc2+=) 18.Re5?? (18.Bc3 Na6 19.Ra5 Qc7=) 18...Qc7 (better is 18...Nd3! 19.Bd3 Qb2 20.Re7 Qa3 21.Rf7 Rf7= (worse is 21...Qd3 22.Rf8 Bf8 23.Ng5+/–; worse is 21...Qa2 22.Rf8 Bf8 23.d5+/–)) 19.Rc1 (19.Ng5 Bf6 (19...Be5 20.Bf7 Kg7 21.de5+–) 20.a3 Na6+= (20...Be5?? 21.Bf7 Kg7 22.de5+–)) 19...Qb8 (19...Be5 20.Ne5 Be6 21.d5+=) 20.Qd2 Na6 21.Re7 Qd6?? 22.Rf7!+– Be6?? 23.Be6 Qe6 24.Rg7! (24.Rg7 Kg7 25.d5 Qf6 26.dc6 bc6 27.Rc6+–) 1–0. Maksimovic,B (2405) – Korres,G (2150), Open Aegean Ch, Ikaros GRE, 2002.

8.Rc1 dc4 9.Bc4 Nb6 10.Bb3 Nbd5 11.Ne5 Nc3 12.Bc3 Nd5 13.Bd2 Be6 14.a4 (14.0-0 Be5 15.de5 Nb6=) 14...Be5 15.de5 Qc7 16.f4 (16.b5 Rad8+=) 16...Rfd8 17.Bd5 Rd5 18.Qe2 Qd7 19.Bc3 Bg4 20.Qc2 Rd3 21.Kf2 Rd8 22.Rhe1 Qd5 23.e4 Qc4 24.Kg1 c5 (24...Be6 25.Qb2+=) 25.bc5 Qc5 26.Kh1 b6 27.Qb2 Re3 28.Bb4 Re1 29.Re1 Qc7 30.h3 Be6 31.Qa3 Kf8 32.a5 Ke8 33.ab6 ab6 34.Qe3 b5 35.Rc1 Rd3 36.Qe1 Qb7 37.Kh2 Rd4+= 38.Ra1 Re4 39.Qd2 Qd5 40.Kg3 Qd2 41.Bd2+= Bd5 42.Kf2 Rc4 43.g4 Kd7 44.Rb1 Kc6 45.Rb2 Re4 46.h4 Kc5 47.Be3= Kc6 48.Ke2 Ra4–/+ 49.Bd2 Ra3 50.Be3 Be6 51.Rc2 Bc4 52.Kf3 Kd5 53.Rd2 Bd3 54.Rb2 Kc4 55.Bd2 Bf5 56.Be3? Bg4!–+ 57.Kg4 Re3 58.Ra2 h5 59.Kg5 Rg3 60.Kh6 Rg4 61.f5? gf5–+ 62.Kh5 b4 63.Ra7 b3 64.Rc7 Kd3 65.Re7 b2 66.Rb7 Kc3 0–1. Likavsky,Tomas (2405) – Timofeev,Artyom (2445), Presov op, 2000. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Rc1 dc4 9.Bc4 Nb6 10.Bb3 Qd6 11.a3 Be6 12.Ne5 Rac8 13.0-0 Nbd5 14.Nb1 Nd7 15.Nc4 Qb8 16.Na5 (16.Nbd2 N5f6+=) 16...N7f6= 17.h3 g5 18.Nd2 Bf5 19.Bc2 (19.Re1 Bg6+=) 19...Bg6 (19...Bh3 20.Nc6 bc6 21.gh3=) 20.Bg6+= hg6 21.Nac4 Rcd8 22.Ne5 Nc7 23.Qb3 e6 24.Ndf3 Nh7 25.e4 Ne8 26.Qe3 Bf6 27.Ng4 Qf4 28.Qe2 Bg7 29.e5 f5? (29...Nc7!?+/–) 30.ef6 Nef6? (better is 30...Nhf6 31.Qe6 Kh7+–) 31.Qe6 (31.Qe6 Kh8 32.Nge5+–) 1–0. Kolarov,Atanas S – Koch,Berthold, Erfurt, 1955.

8.Rc1 dc4 9.Bc4 Nb6 10.Bd3 Be6 11.Qe2 a5 12.b5 cb5 13.Bb5 Rc8 14.Nd2 Nbd5 15.Ndb1 Nc3 (15...Qd6 16.a3=) 16.Nc3 Ne8 17.0-0 Nd6 18.Bd3 Bc4 19.Bc4 Nc4 20.Ba1 (20.Nb5 Nb2 21.Rc8 Qc8 22.Qb2 Qd7=) 20...Nd6 21.Nb5 Qd7 22.Rb1 b6 23.a4 e6 24.Qd3 Rc6 (24...Rfd8 25.Nd6 Qd6 26.Qa6=) 25.d5+= Nb5 26.Bg7 (worse is 26.ab5 Rd6 27.Bg7 Kg7 28.Qc3 Kg8 29.de6 fe6=) 26...Kg7 27.Rb5 (worse is 27.Qb5 Qd5 28.Qd5 ed5+=) 27...ed5 28.Rd5 (worse is 28.Qd5 Qd5 29.Rd5 Rfc8=) 28...Qe6 29.h4 ½–½. Schmidt,Wlodzimierz (2465) – Martz,William E (2385), Hoogovens–B Wijk aan Zee, 1975. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.d4 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Rc1 Re8 9.Be2 Nb6 10.c5 Nbd7 11.0-0 e5 12.Ne5 Ne5 13.de5 Re5 14.Nb5 Re7 15.Nd6 Ne4 16.Bg7 Kg7 17.Nc4 Bd7 18.Na5 Qc7 19.Qd4 Kg8 20.f3 Ng5 21.Bd3 Rae8 22.Rce1 Ne6 23.Qc3 Ng7 24.e4 de4 (24...Ne6 25.Nb3=) 25.fe4+= b5 26.Bc2 Ne6 27.Rd1 Nf8 (27...Ng5!? 28.Qf6 h6+/–) 28.Rd6+/– Re5 (28...Ne6!?+/–) 29.Bb3+– R5e7 30.Qf6 (30.Qf6 Ne6 31.Be6 fe6 32.Qf3+–) 1–0. Prusikin,Michael (2445) – Bromberger,Stefan (2285), Passau op 7th, 1999. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Rc1 h6 9.h3 Ne4 10.Bd3 f5 (10...Ndf6 11.a3=) 11.cd5+= Nc3 12.Bc3 cd5 13.0-0 Nf6 14.Ne5 Kh7 15.b5 Ne4 16.Be1 Qd6 17.f3 Nf6 18.Qb3 Nd7 19.Bb4 Qe6 20.Rc7 (better is 20.f4+=) 20...Be5+= (worse is 20...Ne5 21.Re7 Nf3 22.Rf3+/–) 21.de5 Qe5 22.Rfc1 Re8 23.Bb1 Nb6 24.f4 Qe6 25.Bc5 Nc4 26.Bd3 Nd6 (26...b6 27.Bd4 (27.Bc4? dc4 28.Qc4 bc5–+) 27...Nd6 28.Be5=) 27.Bd4 Ne4 28.Qb4 Qd6 (28...a5 29.ba6 ba6 30.Be4 de4 31.R1c6+–) 29.Qb2 Be6 30.Rb7+– Rec8 31.Ra7 Rc1 32.Qc1 Rc8 33.Qb2 g5 34.Ra6 Qd7 35.Ra7 Qd6 36.Ra6 Qd7 37.Qa3 Rc7 38.b6 Rb7 39.Ra7 Nd6 40.Rb7 Nb7 41.Qa8 gf4 42.Qh8 Kg6 43.Qg7 Kh5 44.Be2 (44.Be2 f3 45.Bf3 Kh4 46.Qh6 Kg3 47.Qg5) 1–0. Rabadan (2280) – Massanet Massanet (2140), ESP–ch Student, 2007. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Qc2 Re8 9.Rc1 e5 (9...Nb6 10.cd5 Bf5 11.Qb3 Nfd5 12.b5=) 10.cd5 (10.de5 Ne5 11.Ne5 Re5 12.Nd5 Bf5 13.Nf6 Bf6+/-) 10...cd5 (10...Nd5 11.Nd5 cd5 12.de5+=) 11.de5 (11.Nb5!? Re6 12.de5+/-) 11...Ne5+= 12.Ne5 Re5 13.Na4 Re8 14.Bb5 Bd7 15.Bd7 Qd7 16.Nc5 (16.0-0 b6=) 16...Qb5 17.Qe2 (better 17.a3!?=) 17...Qb4-/+ 18.Qd2 Qd2 19.Kd2 b6 20.Nb3?? (better 20.Bf6 Bf6 21.Nb3-/+) 20...Ne4-+ 21.Kc2 Nf2 22.Rhf1 Rac8 (22...Bb2!? 23.Rb1 Rac8 24.Kb2 Nd3 25.Ka1 Re3 26.Rbd1-+) 23.Kb1 Nd3 (23...Rc1!? 24.Bc1 Ne4 25.Bb2-+) 24.Rc8 Rc8 25.Bg7 Kg7 26.Nd4 Re8 27.Rf3 (27.Nc2 Re5-+) 27...h5 28.Nc6 (28.Nc2 Ne5 29.Rf1 Nc4-+) 28...Ne5 (better 28...Rc8-+) 29.Ne5 Re5 30.Kc2 g5 31.Kd3 g4 32.Rf1 f5 33.Rc1 Re7 (33...Kf7 34.Rc7 Re7 35.Rc6-+) 34.Kd4 (34.Rc6 Rf7-+) 34...Rd7 (34...Re4!? 35.Kd5 Re3 36.Rc2-+) 35.Rc6-/+ h4 36.Ke5 Re7 37.Kf5 Re3 38.Kg4 d4 (38...Re2!? 39.Rc7 Kf6 40.Ra7 Rg2 41.Kh4 Rh2 42.Kg3 Rb2-/+) 39.Kh4 d3 40.g3 (40.Rd6 b5=) 40...d2 (40...Re2 41.Rd6-/+) 41.Rd6=+ Re2 42.h3 b5 43.g4 a5 44.Kg5 b4 45.Rd7 (45.h4 a4 46.h5 Kf7=+) 45...Kf8-/+ 46.Kf6 Ke8 47.Rd5?? (better 47.Rd4-/+) 47...a4-+ 48.h4 (48.g5 b3 49.ab3-+) 48...b3 49.ab3 ab3 50.h5 b2 51.h6 b1Q 52.h7 Qh7 53.g5 (53.Ra5 Qe7 54.Kg6 Re6 55.Kh5 Qh7 56.Kg5 Qh6 57.Kf5 Qf6) 53...Rf2 (53...Qf7) 54.Ke6 (54.Ke5 Qe7 55.Kd4 d1Q 56.Kc3 Qc2 57.Kd4 Qee4) 54...Qf5! 55.Kd6 (55.Rf5 Re2 Promotion) 55...Qd5! 56.Kd5 d1Q (56...d1Q 57.Ke6 Qd4 58.g6 Rf6) 0-1. ostrak11 (1815) - Karen_Armenia (1615), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.e3 Nf6 3.c4 g6 4.Nc3 Bg7 5.Nf3 c6 6.b4 0-0 7.Bb2)

8.c5 a5 9.b5 Ne4 10.Rc1 f5 11.Be2 e5 12.0-0 Nc3 13.Bc3 e4 14.Ne1 g5 (14...f4 15.Qa4 fe3 16.fe3 Rf1 17.Bf1+=) 15.bc6 bc6 16.f4 (16.f3 Nf6=) 16...ef3 (16...gf4 17.ef4 Re8 18.Qd2+=) 17.gf3 (17.Rf3 f4+=) 17...Nf6 (17...Qe7 18.Ng2=) 18.Nd3 Nd7 19.f4 Qe7 20.Ne5 Ne5 21.de5 g4= 22.Qa4 Bd7 23.Rb1 Qc5+= 24.Bd4 Qe7 25.Rb7 Rf7 26.Qc2 Qe6 27.Rfb1 h5 28.R1b6 Bf8 29.Bb5 Rc8 30.Ba6 Ra8 31.Rc7 Qe8 32.Bb7+/– Ra7 33.Rb1 Qb8? 34.Rd7+– Rd7 35.Bc6 Qc7 36.Ba7 Qa7 37.Bd7 Qd7 38.Qd3 Kf7?! 39.Rb5 Qc7 40.Qd5 Kg6 41.Qg8 Bg7 42.Qe6 Kh7 43.Qf5 Kg8 44.Qb1 (44.Qh5?! Qc1 45.Kf2 Qd2 46.Kg3 Qe1 47.Kg4 Qe2 48.Kh4 Qb5+–) 1–0. Ostrovsky,Alexander – Kalatozishvili,Guram, Rostov on Don–Tbilisi m, 1957. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.Nf3 Nbd7)

8.c5 b6 9.Na4 b5 10.Nc3 a5 11.a3 Ba6 (11...ab4 12.ab4 Ra1 13.Qa1=) 12.Be2 ab4 13.ab4 Re8 14.Nb1 e5 15.de5 (15.Ne5 Ne5 16.de5 Ne4+=) 15...Ng4= 16.0-0 Nge5 17.Ne5 Ne5 18.f4 (18.Bd4!?=) 18...Nc4 19.Bg7 Ne3 20.Qd4 Re4?? (better 20...Nf5 21.Qc3 Re2-/+) 21.Qc3 (21.Qb2 Nf1 22.Bh6 f6 23.Kf1 Re8+/-) 21...Nf1 22.Bh8?? (better 22.Bf1 Rf4 23.Be5+/-) 22...d4-+ 23.Bd4 (23.Qd3 Re3 (23...Kh8 24.Qe4 Ne3 25.Qc6+/-; 23...Rf4?! 24.g3 Ne3 25.gf4-+) 24.Qd4 Qd4 25.Bd4 Re2 26.Kf1 Re4-+) 23...Rd4 (23...Qd4 24.Kf1 Rf4 25.Bf3-+) 24.Kf1 Rf4 25.Bf3 Qd1 (25...Rc4!? 26.Qd2 Qh4 27.g3-+) 26.Kf2 g5?? (better 26...Rd8 27.Qe5 Qc2 28.Kg3 Rfd4 29.Ra6 Qb1 30.Rc6 Qb4-+) 27.Nd2+- Rf3 (27...Qa1 28.Qa1 h6+-) 28.gf3 (28.gf3 Qa4 29.Ne4+-) 1-0. wildrook (1735) - jh43 (1820), Rated Classical game, lichess.org, 2014. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 c6 5.Nf3 0-0 6.d4 d5 7.e3)

8.c5 b6 9.Rb1 Bb7=.

8.c5 b6 9.Bd3 bc5 10.bc5 e5 11.Be2 ed4 12.ed4 (12.Nd4 Bb7=) 12...Rb8 13.Qc2 (13.Rb1 Ne4 14.Ne4 de4+=) 13...Nc5–/+ 14.Ne5 (14.dc5 Rb2 15.Qb2 Ne4+=) 14...Bf5 15.Qc1 Re8 16.0-0 Qc7 17.g4 (17.Re1 Nfd7 18.Nd7 Nd7–/+) 17...Re5 (17...Bg4 18.Bg4 Re5 19.de5 Ng4 20.Nd5 cd5 21.Bd4–+) 18.de5 Ng4 19.Bg4 Bg4 20.f3? (20.Ba3 Qe5 21.Bc5 Qc3 22.Qc3 Bc3–+) 20...Be5 (20...Bh3 21.Ba3 Qe5 22.Bc5 Bf1 23.Kf1 Qc3 24.Qc3 Bc3 25.Rc1–+) 21.Nd5 cd5 (21...Bb2 22.Qc5 Qd7 23.Ne7 Kg7 A) 24.Nc6? Bf3 (24...Ba1?! 25.Ra1 Rc8 26.Qe5 f6 27.Qe7 Qe7 28.Ne7–/+) 25.Rf3 Ba1 26.Rf7 Kf7 27.Qc4 Kg7 28.Nb8 Bd4 29.Kf1 Qh3 30.Ke1 Qe3 31.Kd1 Qg1 32.Ke2 Qh2 33.Kd3 Bb6–+; B) 24.Rad1+/–) 22.Be5 Qe5 23.fg4 Qd4 (better is 23...Nd3!? 24.Re1 Ne1 25.Qe1 Qd4 26.Kh1 Qg4 27.Qd2–+) 24.Kh1 Qe4 25.Kg1 Qg4 26.Kh1 Qe4 27.Kg1 Qd4 28.Kh1 Rb2 29.Qf4 Qf4 30.Rf4 Ne4 31.Kg1 f5 (31...Ng5 32.Rf6–+) 32.Rf3 Kf7 (32...a5 33.Rd3–+) 33.Rb3 Rc2 34.Rb7 Kf6 35.Ra7 h5 36.Rb7 (36.a4!?–+) 36...Nd2 37.Rb6 Kg5 (37...Ke5 38.Re1 Kd4 39.Rb4 Kd3 40.Rf4–+) 38.h4 Kf4 39.Rg6 Nf3 40.Kf1 Nh4 41.Rg8 d4 42.a4 Nf3 43.a5 Nd2 44.Kg1 d3 45.a6 Nf3 46.Kf1 Nh2 47.Ke1?? (better is 47.Kg1+=) 47...Re2–+ 48.Kd1 Nf1 Black prepares the advance d2 (better is 48...Nf3 49.Ra4 Ke3–+) 49.Ra4+/– Kf3 50.Rd8 Ne3 51.Kc1 Rc2 52.Kb1 d2 53.a7 Rc1 (53...d1Q 54.Rd1 Rc8 55.Rd2+–) 54.Ka2 Rc2 (54...d1Q 55.a8Q Nd5 56.Qd5 Qd5 57.Rd5+–) 55.Kb3 Rc8 56.Rd2 (better is 56.Rad4 Rd8 57.Rd8 d1Q 58.Rd1 Nd1 59.a8Q Kf2 60.Qa2 Kf3+–) 56...Ra8 57.Rh2 f4 (57...Nf1 58.Rh5 Ng3+–) 58.Rh5 Ke2 59.Kc3 Rc8 60.Kd4 Nc2 (60...Ra8 61.Rb5+–) 61.Ke4 f3 62.a8Q Ra8 63.Ra8 Nb4 (63...f2 64.Rh2 Ke1+–) 64.Rf5 (64.Rf5 f2 65.Raf8+–) 1–0. Verstraeten,Roeland – Tonoli,Jose, Belgian championship, 1970. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.c5 e5 9.de5 Ng4 10.Be2 Nde5 11.Nd4 Qh4 12.g3 Qf6 13.0-0 Qe7 14.Rb1 Nh6 15.Nf3 Bh3 16.Re1 Rfe8 17.Ne5 Be5 (worse is 17...Qe5 18.Nb5 Qe7 19.Bg7 Kg7 20.Nd6+/–) 18.Bf1 Qd7 (18...Bf1 19.Rf1 a5 20.a3+=) 19.Bh3 Qh3 20.Qf3 Ng4 (20...Nf5 21.Qg2 Qg2 22.Kg2=) 21.Qg2= Qg2 22.Kg2 Bg7 23.Ne2 Bb2 24.Rb2 Ne5 25.Rb3 a6 26.Nd4 Re7 27.a4 Rc8 28.Ra1 ½–½. Tunka,Stephanie – Jorgens,Sven, Werther Schloss op 2nd, 1996. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Nf3 c6 7.Bb2 Nbd7)

8.Bd3 Nb6 9.c5+= Nc4 10.Qc2 (10.Bc4 dc4 11.Qe2 Be6+=) 10...Nb2= 11.Qb2 Nd7 12.0-0 e5 13.Be2 Re8 14.h3 (14.Rfd1 Qf6=) 14...ed4 (14...Qf6 15.Rfd1=) 15.Nd4 Nf8 16.Qd2 (16.Rad1 Qg5 17.Nf3 Qf6+=) 16...Qg5 (16...Ne6 17.Rfe1+=) 17.Nf3= Qe7 18.a3 Ne6 19.Rab1 (19.Rfc1 a5+=) 19...Ng5 20.Rbc1 Nf3 (20...Bf5 21.Rfd1+=) 21.Bf3 Qg5 (21...Qf6 22.Qd1+=) 22.Kh1 Be5 (22...Qf6 23.Kh2+=) 23.Ne2 (23.Be2 Qh4 24.Kg1 d4 25.ed4 Bf4–/+ (25...Qd4?! 26.Qd4 Bd4 27.Bf3=; worse is 25...Bd4 26.Bf3+=)) 23...Qf6 24.Nf4 Bf5 25.g4 Be4 (25...Be6 26.Kg2+=) 26.Bg2–/+ Bg2 27.Kg2 h5 28.Nd3 (28.gh5 Qg5 Double attack (28...Qg5 Decoy)) 28...Bc7 29.f4 (29.Qe2 Re4+=) 29...hg4–/+ 30.hg4 Qe6 31.Kf3 d4 (31...a5!?–/+) 32.ed4 Qd5 33.Kg3 Re4 0–1. justforfun – rosenmud, net–chess.com, 2017. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Nf3 d5 5.Bb2 0-0 6.e3 c6 7.d4 Nbd7)

8.Be2 dc4 9.0-0 Nd5 (9...Nb6 10.a4 Qd6 11.a5+=) 10.Bc4+= N7b6 11.Bd5 cd5 12.Na4 Nc4 13.Nd2 Bf5 14.Nc4 dc4 15.Re1 e5 (15...b6 16.e4 Bd7 17.Nc3–/+) 16.e4+= (worse is 16.de5 Qd1 17.Rad1 Bc2–/+) 16...ed4 17.ef5 c3 18.fg6 hg6 19.Bc3 (better is 19.Rc1!? cb2 20.Nb2+=) 19...dc3–/+ 20.Rc1 Rc8 21.Qb3 (21.Rc2 Qh4 22.a3 Qc4–/+) 21...Re8–+ 22.Red1 (22.Rf1 Qf6–+) 22...Qe7 (22...Qf6 23.Rf1–+) 23.g3 (23.h3 Qe2 24.Rf1–+) 23...c2 (better is 23...Qe2!?–+) 24.Rc2+= Rc2 25.Qc2 Qb4 26.Qb3?? (better is 26.Kg2+=) 26...Re1–+ 27.Re1 Qe1 28.Kg2 Qe4?? (28...Bd4 29.Qc2 Qe6 30.Nb2 Qa2 31.Qc8 Kg7 32.Nd1–+) 29.Kh3? (29.Kf1 Qh1 30.Ke2 Qc1–/+) 29...b6 (better is 29...Bd4 30.f3 Qe6 31.Kg2 Qe2 32.Kh3 b5–+) 30.Nb2–/+ g5 (30...Bd4 31.Nd3–/+) 31.f3+= g4 (31...Qc6 32.Kg2+=) 32.fg4= Qh7 33.Kg2 Qe4 34.Kh3 Qh7 35.Kg2 Qe4 36.Kh3 Qh7 ½–½. Ramirez Garcia,J A (2260) – Rueda Marquez,D J (2065), 18th Obert Internacional Sant Marti Gro, 2016. (=1.e3 Nf6 2.Nf3 g6 3.d4 Bg7 4.b4 d5 5.c4 c6 6.Nc3 Nbd7 7.Bb2 0-0)

8.Bd3 dc4 9.Bc4 Nb6 10.Bd3=.

8.Be2 dc4 9.Bc4 a5 10.ba5 (10.b5 Nb6 11.Bd3 cb5 12.Nb5 Be6=) 10...Qa5 11.0-0 e5 12.Bb3 (12.Qc2 ed4 13.Nd4 Ne5=) 12...ed4 13.ed4 (13.Nd4 Ne5=) 13...c5 (13...Nb6 14.Ne5=) 14.Rc1 (14.Re1 Re8+=) 14...b6 (14...Re8 15.Nd5 Nd5 16.Bd5+=) 15.Ne5 (15.Nd5 Nd5 16.Bd5 Ra7+=) 15...cd4= 16.Nd7 ½–½. Rakhmanov,Alexander (2235) – Vorontsov,Anatoly (2165), BLR Cup Minsk, 2005. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Be2 dc4 9.Bc4 Nb6 10.Bb3 a5 11.ba5 Ra5 12.0-0 Bf5 13.Qe2 Ne4? (better is 13...Nbd5=) 14.g4!+– Bg4 15.Ne4 Rf5 16.Ned2 e5 17.e4 (17.de5?! Rg5 18.Kh1 Qd2 19.Nd2 Be2=) 17...Rh5 18.Rfd1 (18.de5?! Rg5 19.Kh1 Qd2 20.Nd2 Be2=) 18...ed4 19.Nf1 (19.Qd3 Rh3 20.Ba3 Re8=) 19...c5 20.Ng3 c4 21.Nh5 Bh5 22.Kg2 (better is 22.e5!? Qd5 23.Bd4 Qf3 24.Qf3 Bf3 25.Bb6 cb3 26.Re1+=) 22...cb3 (22...Qc8 23.h3 d3–+) 23.ab3= Nd7 (better is 23...Qd7!? 24.h3 f5=) 24.Bd4+/– Bd4 25.Rd4 Qf6 26.Rd7 Qa1 27.Qe3 Qf6 (27...Bf3!? 28.Qf3 b5+=) 28.Rb7+/– Rc8 29.Nd4 Rd8 30.Rb4 ½–½. Pietzsch,Wolfgang – Pachman,Ludek, Madrid zt, 1960.

8.Be2 dc4 9.Bc4 Nb6 10.Bb3 Nbd5 11.Nd5 cd5 12.0-0 Bg4 13.h3 Bf3 14.Qf3 a5 15.ba5 Qa5 16.Rfc1 Rfc8 17.Qe2 e6 18.Rc2 Rc6 19.Rc6 bc6 20.Rc1 Rc8 21.Bc3 Qb6 22.Be1 Bf8 23.Bd1 (23.Rb1 c5 24.dc5 Qc5=) 23...c5 (23...Ba3 24.Rc2=) 24.dc5 Rc5 25.Rc5 Bc5 (25...Qc5 26.a4+=) 26.a4 Bb4 (26...Ne4!?+=) 27.Qb2+/– Ba5 28.Qb6 (worse is 28.Qf6 Be1 29.Qa1 Qb7+=) 28...Bb6 29.Kf1 Bc5 30.a5 Kf8 31.a6 Ke8 32.Bc3 Nd7 33.Ba4 Kd8 34.Ba5 (34.Ke2 Ba7+/–) 34...Kc8 35.Ke2 Ba7 (35...Nb6 36.Bb5+=) 36.Bb5 f6 37.h4 (37.Bc3 e5+/–) 37...Nb6 (37...Ne5 38.Bc3+/–) 38.g4 (38.Bc3 e5+/–) 38...Kc7 (38...Nc4 39.Bc3 Nd6 40.Bd3+/–) 39.h5 (better is 39.Kd3+–) 39...g5?? (better is 39...gh5 40.gh5 Kd6+/–) 40.h6+– Kd6 (40...Kd8 41.Bd3 Ke8 42.Bh7+–) 41.Bb4 Kc7 (41...Ke5 42.Be8 f5 43.Bg6+–) 42.Bd3 Nd7 (42...f5 43.gf5 ef5 44.Bf5+–) 43.Bh7 Ne5 44.Bg8 Kd7 (44...d4 45.Be6 Ng6 46.h7+–) 45.Bc3 (45.Bc3 Ng6 46.Bf6+–) 1–0. Bryzgalin,Kirill (2470) – Sieber,Martin (2025), Pardubice opJ, 2011. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Be2 dc4 9.Bc4 Nb6 10.Bd3=.

8.Be2 Re8 9.c5 b6 (9...e5 10.0-0=) 10.h4 (10.0-0 bc5 11.bc5 Rb8=) 10...h5 (10...bc5 11.dc5 a5 12.b5+=) 11.Ng5 (11.b5 Bb7 12.bc6 Bc6 13.cb6 ab6=) 11...Bb7 (11...Rb8 12.Rb1+=) 12.g4 (12.0-0!?=) 12...hg4+= 13.Bg4 a5 (13...Ng4 14.Qg4 e5 15.h5 ed4 16.hg6 fg6 17.Ne6 dc3 18.Nd8–/+) 14.a3 (14.h5 Ng4 (worse is 14...gh5 15.Bh5 Rf8 16.a3+=; 14...ab4 15.hg6 fg6 16.Be6 Kf8 17.Qd3 Bh6 18.Qg6 bc3 19.Qh6) 15.Qg4 A) 15...ab4 16.hg6 Nf6 17.gf7 Kf8 18.Ne2+– (18.fe8B?! Ng4 19.Ne6 Ke8 20.Nd8 Kd8+–; 18.fe8N Ng4 19.Ng7 Kg8+–; worse is 18.fe8Q Qe8 19.Ne6 Kf7 20.Qg7 Ke6+–; 18.fe8R Qe8 19.Ne6 Kf7 20.Qg7 Ke6+–); B) 15...Nf6+=) 14...ab4 (14...Ng4 15.Qg4 e5 16.Na2–/+) 15.ab4 (better is 15.Bd7 Nd7 16.ab4 Ra1 17.Ba1+=) 15...Qc7 (better is 15...Ra1 16.Ba1 Ng4 17.Qg4 e5+=) 16.h5+= Ng4 17.Qg4 Ra1 18.Ba1 Nf6 (better is 18...Ra8 19.Bb2 Nf8+/–) 19.Qf3?? (better is 19.hg6 Ng4 20.gf7 Kf8 21.Ne6 Kf7 22.Nc7+–) 19...Nh5?? (better is 19...gh5 20.Rh5 e5=) 20.Qf7 (20.Qf7 Kh8 21.Qe8 Bf8 22.Qf8) 1–0. dece – ANZARBOND (1615), internet, 2010.

8.Be2 Re8 9.cd5 cd5 10.Qb3 e6 (10...Nb6 11.a4 Be6 12.a5+=) 11.0-0 Nb6 12.Rfc1 Bd7 13.a4 Nc8 14.Nb5 ½–½. Kupka,Slavoj (2210) – Plat,Vojtech (2040), Orlova op, 2006. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Nbd7)

8.Be2 Re8 9.cd5 Nd5 10.Nd5 cd5=.

9.Qb3 Nb6 10.Bd3=.

9.Qb3 e6 10.Rc1+= Ne4 (10...Nb6 11.Bd3+=) 11.Ne4 de4 12.Nd2 Nf6 13.Be2 Bd7 14.0-0 Qe7 (14...Bc6 15.b5 Bd5 16.Qa4+=) 15.b5+/– Rfc8 16.Nc4 Nd5 (16...Rc7 17.Ba3 Qd8 18.Nd6+/–) 17.Ba3 Qd8 (17...Qh4 18.Nd6 Rc1 19.Rc1+/–) 18.Nd6+– Rc1 19.Rc1 Rb8 20.Ne4 a6 21.Bd6 Rc8 (21...Ra8 22.ba6 ba6 23.Qb7+–) 22.Rc8 (22.Rc8 Qc8 23.ba6+–) 1–0. Tauaf,Rachid – Brennan,Alan, IECC, 1997.

9.Qb3 e6 10.Bd3 b6 11.0-0 Bb7 12.Rac1 Qe7 13.a4 Ne4 14.Ba3 Rfc8 15.b5 Qf6 16.Be4 de4 17.Nd2 Qf5 18.Qb1 Nf6 19.Be7 Nd5 20.Nd5 Bd5 21.Rc2 e5 22.de5 Be5 23.Rfc1 Be6?? 24.Ne4 Rc2 25.Rc2?? Re8 26.Nd6?? Qh5 27.f4+= Bd6 28.Bd6 Bf5 29.Be5 Rd8–+ 30.Bd4 Qh4 31.Qc1 Bc2 32.g3 Qg4 33.Qc2 Rc8 34.Qd2 Qf5 35.Bc3 Qb1–+ 36.Kf2? Qb3 37.Qd7 Qc3 0–1. Carrasco Martinez,JM – Chicote Franco,G, ESP–chT Spain, 1992.

9.b5 Nb6 10.Qb3 Bf5 11.Be2 Rc8 12.Rc1 Ne4 13.0-0 Nd6 14.Ba3+= (worse is 14.Nd5 Rc1 15.Rc1 Be6 16.Ne7 Qe7–/+) 14...Ndc4 15.Bc5 Bg4 (15...Re8 16.Nd5 Rc5 17.dc5+/– (worse is 17.Bc4 Rc4 18.Rc4 Qd5+=)) 16.Rfd1 Re8 17.h3 (17.Bb6 Nb6 18.h3 Bf3 19.Bf3 e6=) 17...Bf3= 18.Bf3 e6 19.e4 Qg5 20.Rc2 Ne5 21.Be2 Ned7 22.Bb4 (22.Bb6 Nb6 23.Qa3 Ra8=) 22...Nf6 (22...Qh4!?=) 23.e5+= Nh5 24.Bf1 (24.Bg4 f5 25.Bf3 Nf4+=) 24...Bh6 (24...f6 25.ef6 Bf6 26.Bc5+=) 25.Na4 Na4 26.Rc8+/– Rc8 27.Bd2 Nf4 28.Bf4 Qf4 29.Qa4 Rc7 30.g3 Qf3 31.Rd3 Qe4 32.Qd1 Rc1–/+ 33.Qf3 Qe1 34.Qg2 Bf8 35.f4 Bb4 36.Qf2+= Qe4 37.Qe3 Re1 38.Qf3 Ba5 39.Kg2 Bb6 40.Qe4 Re4 41.a4 Re1 42.Rc3 Ra1 43.Be2 Kg7 44.Rc8 Ra4 45.Rb8 Bd4 46.Rb7 Ra2 47.Kf3 g5! 48.Bd3? h5–+ (48...h5 49.Be2 g4 50.hg4 hg4 51.Kg4 Re2–+) 0–1. Sebenik,M (2390) – Bernasek,J (2425), Mitropa Cup, Steinbrunn AUT, 2005.

9.Rc1 Nb6 10.Ne5 Bf5 11.Be2 Nfd7 12.Nd3 Bd3 13.Bd3 e6 14.0-0 Qe7 15.Qb3 Rfc8 16.Ne2 Bf8 17.a3 Qd8 18.g3 Rc1 19.Rc1 Rc8 20.Rc2 Rc7 21.b5 Qc8 22.Rc7 Qc7 23.Bc3 Nc8 24.a4 ½–½. Schmidt,Wlodzimierz (2405) – Zawadzki,S (2410), Polish Extraleague, Lubniewice Poland, 2003. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Nbd7)

9.Bd3 Nb6 10.Rc1=.

9.Bd3 Nb8=.

9.Bd3 e6 10.0-0+= a6 11.Ne5 (11.Rc1!?+=) 11...Ne5= 12.de5 Nd7 13.f4 Qb6 14.Qe2 (14.Qc1 a5=) 14...f6 (14...Qb4 15.a3 Qb6 16.Rab1=+) 15.a3 (15.ef6!? Nf6 16.a3=) 15...fe5=+ 16.fe5 Rf1 17.Rf1 Ne5 (17...Be5 18.Qf3 Qd8 19.Qf7 Kh8 20.Qe6+-) 18.Bb1? (better 18.Na4 Qc7 19.Bd4=+) 18...Nc4-+ Black intends d4 19.Ba1 (19.Re1 Bd7 20.Nd1 Nb2 21.Nb2-+) 19...d4?? (better 19...Qe3 20.Qe3 Ne3-+) 20.ed4 (20.Qc4!? dc3 21.Qf4+=) 20...Bd4 (20...Na3!? 21.Ba2 Kh8-/+ (worse 21...Bd4 22.Kh1 Bg7 23.Na4+-)) 21.Kh1=+ Ne3 (21...Na3 22.Nd5 Qb4 23.Qf3 Ba1 24.Qf7 Kh8 25.Qe8 Kg7 26.Rf7 Kh6 27.Rh7 Kh7 28.Qg6 Kh8 29.Qh7) 22.Qf3?? (better 22.Rf4=+) 22...Qd8?? (better 22...Nf1 23.Qf1 a5-+) 23.Qf8?? (better 23.Qf7 Kh8 24.Rf4+=) 23…Qf8-+ (23...Qf8 24.Rf8 Kf8-+) 0-1. amnezia (1820) - iji2002mx (1695), Rated Bullet game, lichess.org, 2014.

9.Qb3 N7f6 10.Be2 (10.Bc4 b5 11.Bd5 Nd5=) 10...Be6 11.Ng5 Bg4 12.Bc4 (12.Nd5 cd5 13.Nf3 Rc8=) 12...b5 13.Bd5 cd5 (13...Nd5 14.h3 Bc8 15.Nge4=) 14.h3 Bf5 15.Nb5 Qb6 (15...Rb8 16.Nc3= (16.Na7? Qb6–+)) 16.Nc3 Bd3 (16...Rab8 17.a3 Qd6 18.0-0+=) 17.Na4+= Qb5 18.Nc5 Bc4 19.Qc3 Rfb8 20.Ba3 (20.a4 Qb4 21.Qb4 Rb4=) 20...a5+= 21.Rb1 h6 22.Nf3 Ne4 23.Ne4 de4 24.Ne5 Ba2 25.Rb2 Rc8 26.Qd2 Bd5 27.Rc2 Qa4–+ 28.Rc8 Rc8 29.0-0 Qa3 30.ba5 Ra8 31.Rb1 Qa5 32.Qd1 Be5 33.de5 Be6 34.Qd4 Qd5 35.Qb4 Qe5 (35...Qe5 36.Qe7 Ra1 37.Qd8 Kh7 38.Ra1 Qa1 39.Kh2 Qe5 40.Kg1 Qc3–+) 0–1. Studenetzky,Moises – De las Heras,Juan Carlos, Buenos Aires–ch, 1965.

9.Nd5 cd5 10.Qb3 Nf6 11.Bd3 Bd7 12.a4 Rc8 13.0-0 Bg4 14.Ne5 Be6 15.Rfc1 Ne8 16.Rc8 Qc8 17.Rc1 Qd8 18.Nf3 Nd6 19.Nd2 Qd7 20.b5 Rc8 21.Rc8 Qc8 22.Ba3 Qc7 23.Qc2 Qd8 24.Bb4 Bf8 25.Qc3 Qc8 26.Qc8 Nc8 27.Bc5 b6 28.Ba3 Bd7 29.Nb1 e6 30.Bf8 Kf8 31.Nc3 Ke7 32.f3 Kd6 33.Kf2 f6 34.e4 de4 35.fe4 e5 36.Ke3 Ne7 37.Bc4 f5 38.g3 g5= 39.Be2 f4 40.Kd3 Ng6 41.Nb1 g4+= 42.Nd2 Be6 43.d5+= Bd7 44.Kc4 fg3 45.hg3+= h5 46.Nf1 Ne7 47.Ne3+= Ng6 48.Kb4 Kc7 49.Bd1 Nh8 50.Nc4 Nf7 51.a5 Nd6 52.ab6 ab6= 53.Nd6 Kd6 54.Be2 Ke7 55.Kc3 Kf6 56.Bf1 Kg5+= 57.Kd2 h4 58.gh4 Kh4 59.Ke3 Kg3 60.d6 Kh2 61.Kf2 g3 62.Kf3 Bc8 63.Bg2–/+ Be6 64.Bf1 Bd7 (64...Bd7 65.Bg2 Bb5–+) 0–1. Borovicka,B (2075) – Plat,V (2215), Open, Stare Mesto CZE, 2006. (=1.e3 Nf6 2.Nf3 g6 3.d4 d5 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Nbd7)

9.Nd5 cd5 10.Qb3 Nf6 11.Bd3 Bg4 12.Ne5 Be6 13.0-0 Ne4 14.Rfc1 Nd6 15.b5 f6 16.Nf3 Bf7 17.a4 Qd7 18.Ba3 Rfc8 19.Qb2 (19.Bb4 e5 20.de5 fe5 21.Bd6 Qd6+=) 19...Rc1 (19...Nc4 20.Qb4 Na3 21.Qa3+=) 20.Rc1= Re8 21.a5 e5 22.Bd6 Qd6 23.de5 fe5 24.e4 Bh6 25.Re1 d4 26.b6 ab6 27.Qb6 Qb6 28.ab6 Bf8 29.Rc1 Re6 30.Rc7= Rb6 31.Ne5 Be6 32.Nd7 Bd7 33.Rd7 Bc5 34.h4 Rb2 35.e5 Rd2 36.Bc4 Kh8 37.e6 Rd1 38.Kh2 Re1 39.Rd5 b6 40.h5 gh5 41.f4 Be7? 42.Rd7+/– Bh4? 43.g3+– b5 44.Bb3 Bf6 45.Rf7 1–0. Zhukova,N (2455) – Nemcova,Kat (2255), 8th TCh–Eur w, Novi Sad SRB, 2009.

9.Nd5 cd5 10.Rc1 Nf6=.

9.Nd5 cd5 10.Be2 Nb6 11.0-0 Bg4 12.h3 Bf3 13.Bf3 e6 14.Qb3 Nc4 15.Bc1 a5 16.b5 a4 17.Qd3 b6 18.Ba3 Re8 19.Rfe1 Qd7 (worse is 19...Na3 20.Qa3 Bf8 21.Qd3=) 20.Rab1 Rec8 21.e4 Rc7?? (21...Na3 22.Qa3 Bd4 23.ed5 ed5 24.Rbd1+=) 22.e5 (better is 22.ed5!? Rd8 23.Bb4+=) 22...Rac8 23.Bc1 Bf8 24.Bd2 Nd2–/+ 25.Qd2 Rc2 26.Qg5 Ra2 27.h4 Rcc2–+ 28.h5 Rf2 29.hg6 hg6 30.Rf1 Rf1 31.Kf1 a3 32.Bh5? Bg7 33.Bd1 Rb2 34.Qc1 Qb5 (34...Qb5 35.Kg1 Rb1 36.Qc8 Bf8–+) 0–1. bratek55 (1695) – albeiropelaez (1765), kurnik, 2011.

8.a4 Bg4= 9.Be2 Nd7 10.Ne4 de4 11.Nd2 Be2 12.Qe2 e5 13.0-0 ed4 14.Bd4 Qe7 15.Rfd1 Rfd8 16.Rab1 Nb6 17.Bg7 Kg7 18.a5 Na4 19.Nf1 Nc3=+ 20.Qb2 Qf6 21.Rd8 Rd8 22.Rc1 Rd3 23.Ng3= h5 24.h4 Kg8 25.Nf1 Kg7 26.Ng3 Kf8 27.Nf1 Nd5 28.Qf6 Nf6=+ 29.a6 b6 30.b5= c5 31.Ng3 Rd2 32.Kf1 Ke7=+ 33.Ke1 Rb2 34.Rc3 Rb1–+ 35.Ke2 Rg1 36.Rc2 Rg2 37.Kf1 Rh2 38.Rd2 Rh4 39.Ne2 Rh1 40.Ng1 Ng4 41.Kg2 Rh2 42.Kg3 Ne3! (42...Ne3 43.Kh2 Nf1 44.Kg2 Nd2–+) 0–1. Bagirov,Vladimir – Kortschnoj,Viktor, Moscow, 1972. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Ne4)

8.Qb3 a5 9.Ne4 de4 10.Nd2 a4 11.Qc2 a3 12.Bc3 f5 13.Be2 Nd7 14.0-0 e5 15.d5 Qh4 16.dc6 bc6 17.c5 Kh8 18.Rad1 g5 19.Nc4 f4 20.Qe4 Nf6 21.Qe5 Bg4 22.Bg4 Rae8 23.Be6 Nh5 24.g3 (24.g3 fg3 25.hg3 Qc4 26.Qg7 Ng7 27.Bc4+–) 1–0. Socko,Monika (2485) – Mulet,Piotr (2320), Lazy Poland, 2010.

8.Qb3 Nc3 9.Bc3 dc4 10.Bc4 b5 11.Be2 Be6 12.Qc2 Nd7 13.Ng5 Nb6 14.Ne6 fe6 15.0-0 Qd6 16.Rfd1 Na4 17.Be1 Rac8 18.Rac1 Kh8 19.h4 Nb6+/– 20.f4 Nd5 21.Qd2 Rfd8 22.g3 Nb6 23.Rc5 Nd7 24.Rc2 Rc7 25.Rdc1 Rdc8 26.Bf2 Nf6 27.Bf3 Nd5 28.e4 Nb6 29.e5 Qd7 30.h5 Nc4 31.Qe2 Bh6 32.hg6+– hg6 33.Be4 Rg8 34.Kg2 Kg7 35.Qg4 Kf7 36.Rh1 Bf8 37.Rh8 Rg7 38.Rh7!! Kg8 39.Rg7 Bg7 40.Qg6 Kf8 41.Bf3 Qe8 42.Qe6 Qf7 43.Qh3 Qg6 44.Re2 Qd3 45.Qe6 (45.Qe6 Nb6 46.Bh5+–) 1–0. Kotanjian,T (2550) – Arellano,R (2090), 11th Dubai Open, Dubai UAE, 2009.

8.Qb3 Nc3 9.Bc3 dc4 10.Bc4 Nd7 11.0-0 Nb6 12.Be2 Be6 13.Qc2 Qd6 14.Nd2 Nd5 15.Nc4 Qc7 (15...Nb4? 16.Bb4 (16.Nd6 Nc2 17.Nb7 Na1 18.Ra1 Bd5–/+) 16...Qb4 17.Rfb1+–) 16.Bd2 Nb6 17.Na5 Qd7 18.Rfd1 Rad8 19.Rac1 Qc8 20.Qb1 Qb8 21.a3 Bc8 22.b5 cb5 23.Bb5 Bd7 24.Bc3 Bb5 25.Qb5 Rd7 26.Nb3 Rd5 27.Qe2 Rfd8 28.h3 Na4 29.Bb4 e6 30.Qc2 Bf8 ½–½. Navarovszky,Laszlo (2415) – Novak,Ivan (2355), Trencianske Teplice, 1974.

8.Qb3 Nc3 9.Bc3 Bg4 10.Ne5 Be6 11.Be2 (11.b5 cb5 12.Qb5 Qc7=) 11...b5=+ 12.cd5 Bd5 13.Qc2 Bg2 14.Rg1 Bd5 15.e4 Be6 16.a4 Qc7 17.f4 Nd7 18.Rg3 Ne5 19.de5 c5 20.bc5 ba4 21.Qa4 Qc5 22.Bd4 Qc7 23.Bb5 a6 24.Rc3 Qd8 25.Bc6 Rb8 26.Rd3 Bh6 27.Qa6 Qc7 28.f5= Bc8 29.Qa4+= Bf4 30.e6 fe6 31.Qc2 Bb7 32.Rc3 Qd6 33.Rd1=+ Be5 34.Bb7 Bd4=+ 35.Rc4 e5 36.Bd5=+ Kh8 37.Rc6 Qd8 38.Be6=+ gf5 39.ef5 Qa5 40.Qd2 Qa8 41.Rdc1 Rb2 42.R1c2 Rb1 43.Ke2 Rg1 44.Bd5 e6 45.Bf3 ef5 46.Rf6 Qe8 47.Rf8 Qf8 48.Rc4 Qd8 49.Qc2 Qd7 50.Rc8 Rg8 51.Rg8 Kg8 52.Qc4 Kg7 53.h4 e4 54.Bh5 Bf6 0–1. Taras,Dan – Szabo,Almos (2300), 3rd Romanian Internet Championship – Se, 2005.

8.Rc1 Nc3 9.Bc3 Nd7 10.Bd3 dc4 11.Bc4 Nb6 12.Bb3 Nd5 13.Bd2 Qd6 14.a3 Bf5 15.0-0 h6 16.Qe2 Be4 17.Ne1 Rad8 18.f3 Bf5 19.Kh1 Nb6 20.Bc3 Be6 21.Be6 Qe6 22.Nd3 Nd5 23.Rfe1 b6 24.Bb2 Qd6 25.Qc2+/– Rc8 26.e4 Nc7 27.Qc6 Qc6 28.Rc6 Nb5 29.Rc8 Rc8+= 30.e5 Rd8 31.Re4+= f5 32.ef6 Bf6 33.Ne5 Be5 34.Re5 Nd4 35.Re7 Nf5 36.Re1 Rd2 37.Be5 Ne3? 38.Bf4+– Rd1 39.Rd1 Nd1 40.Be5 Ne3+/– 41.a4 Nc4 42.Bb8 a5 43.ba5 ba5 44.Bf4 Kg7 45.Kg1 Nb6 46.Be3 Na4 47.Bd2 Nb6 48.Ba5 Nd5 49.Kf2 Kf6 50.Bd2 h5 51.Ke2 Kf5 52.Kd3 Nc7 53.g3 Ne6 54.Kc4 Nc7 55.h3 Ne6 56.Kd5 Kf6 57.Bc3 Kf7 58.h4 Nf8 59.Bd4 Nd7 60.Be5 Ke7 61.Bd4 Kf7 62.Kd6 Nf8 63.Ke5 Nd7 64.Kf4 Nf8 65.Be3 Kf6 66.Bd4 Kf7 67.Bc3 Ne6 68.Ke5 Ng7 69.Ke4 Ne6 70.f4 Nc5 71.Kd4 Nd7 72.Kd5 Ke7 73.Bd4 Nf6 74.Bf6 Kf6 75.Kd4 Kf5 76.Ke3 Kg4 77.Kf2 Kf5 78.Kf3 Kf6 ½–½. Kolarov,Atanas S – Kadrev,Zdravko, BUL–ch, 1959.

8.Rc1 Nc3 9.Bc3 Nd7 10.cd5 cd5 11.b5 Re8 12.Be2 Nf6 13.h3 Ne4 14.Bb4 f6 15.0-0 e5 16.Qc2 Be6 17.Qc7+= Rb8 18.a4 Bf7 19.a5 ed4 20.Nd4 f5 21.Qd8 Red8 22.Rfd1 Be5 23.a6 Bd4+= 24.Rd4 Rdc8 25.Rc8+/– Rc8 26.b6 ab6+= 27.ab7 Rb8 28.Ba6 Be6? 29.Re4!+– (29.Re4 de4 30.Bd6 Rb7 31.Bb7+–) 1–0. Taimanov,Mark – Spassov,Ljuben, Slncev Brjag, 1974. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Ne4)

8.Rc1 Nc3 9.Bc3 Bf5 10.b5 cb5 11.cb5 Nd7 12.Be2 Nb6 13.0-0 Nc4 14.Ne5 Ne5 15.de5 Qd7 16.Qd2 Rfd8 17.Bd4 a6 (17...Rdc8 18.f3=) 18.b6 (18.Qb2 Qe6+=) 18...Rac8= 19.h3 (19.Qa5 Rc6=) 19...Rc1 (19...h6 20.Qa5=) 20.Rc1+= Rc8 21.Bf3 Rc6 22.Rc3 Be4 23.Bg4 Bf5 24.Bf5+/– gf5 25.Qc2 e6 26.Rc6 bc6 27.a4 Qb7 28.a5 Kf8 29.g4+– h6 30.gf5 (30.gf5 Kg8 31.e4 de4 32.Qe4 ef5 33.Qh4+– (< 33.Qf5 c5 34.Bc5 Qc6+–)) 1–0. Torre,Eugenio – Ftacnik,Lubomir, Hastings, 1980. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Ne4)

8.Rc1 Nc3 9.Bc3 Bg4 10.Bd3 dc4 11.Bc4 Nd7 12.h3 Bf5 13.0-0 Nb6 14.Bb3 Nd5 15.Bd2 Qd6 16.Qe2 Be4 (worse is 16...Nb4 17.e4+–) 17.Ng5 Nf6 18.Ne4 Ne4 19.Be1 e6 20.Qf3 Nf6 21.Bd2 a6 22.Rc2 Rfd8 23.a4 Nd5 24.b5 (24.Rc4 Nb6 25.Rc5 Nd7+=) 24...ab5= 25.ab5 Ra3 26.Rb1 Raa8 27.bc6 bc6 28.Rc4 Rdb8 29.e4 Ne7 30.Bf4 e5 31.Bg3 Rb5 32.Ra4 Rf8 33.Ra7 h6 34.Bh4 g5 35.Bg3 Kh8 36.de5 Qc5 37.Rba1 Be5 38.Be5 Qe5 39.Ra8 (39.Bf7? Kg7–+) 39...Kg7 (better is 39...Rbb8!? 40.R1a5 Qf4 41.Qf4 gf4 42.Rb8 Rb8 43.Bf7 Kg7+/–) 40.Rf8+– Qa1 41.Kh2 Qe5 42.g3 f5?? (42...Kh7+–) 43.Qh5 (43.Qh5 Kh7 44.Rf7 Qg7 45.Rg7 Kg7 46.Qf7 Kh8 47.Qf6 Kh7 48.Qe7 Kh8 49.Qf8 Kh7 50.Qg8) 1–0. Nickel,Reiner_Gert – Wilms,Gerwin, Germany Cht 2BK Gr10 bd1, 1995. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6)

8.Rc1 Nd7 9.cd5 Nc3 10.Bc3 cd5 11.b5 Nb6 12.Qb3 Bg4 13.Be2 Qd7 14.0-0 Rfc8 15.h3 Bf3 16.Bf3 e6 17.Be2 Nc4 18.Be1 Rc7 19.a4 Rac8 20.Bb4 Bf8 21.Bf8 Rf8 22.Qb4 Rfc8 23.Rc2 b6 24.Rfc1 Na5 ½–½. Barle,Janez (2330) – Garcia Martinez,Silvino (2445), Portoroz/Ljubljana, 1975.

8.Rc1 Nd7 9.cd5 Nc3 10.Bc3 cd5 11.b5 Nf6 12.Be2 Bg4 13.0-0 Bf3 14.Bf3 Qd7 15.Qb3 Rfc8 16.Rc2 Rc7 ½–½. Mitchell,Graham Russell – Sokolowski,Roman, Poland jub40 corr7578, 1975. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6)

8.Rc1 Bg4 9.Bd3 Nc3 10.Bc3 Nd7 11.cd5 cd5 12.0-0 Nb6 13.b5 Qd7 14.h3 ½–½. Adamski,Jan (2405) – Novak,Ivan (2355), Stary Smokovec, 1974.

8.Rc1 Bg4 9.Be2 Nd7 (9...Nc3 10.Rc3 Qb6 11.Qb3+=) 10.cd5+= Nc3 11.Bc3 cd5 12.b5 Nb6 13.Bb4 Qd7 14.0-0 (14.Ne5 Be5 15.Bg4 Qb5 16.Be7 Rfe8+=) 14...Nc4= 15.Qb3 Rac8 16.Rc2 Rfe8 17.a4 (17.Rfc1 Bf5 18.Rc3 Qb5 19.Be7 Qb3 20.ab3 Re7 21.bc4 dc4 22.Bc4 Kf8=) 17...Bf5 (17...e5 18.de5 Bf3 19.Bf3 Ne5 20.Be2+=) 18.Rcc1 ½–½. Bagirov,Vladimir – Savon,Vladimir, Lvov, 1978. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Ne4)

8.Qc2 a5 9.ba5 Qa5 10.Bd3 (10.cd5 cd5 11.Bd3 Na6+=) 10...Na6+= 11.a3 Nac5 12.cd5 (better is 12.dc5!? Nc3 13.Nd2=) 12...Nd3–/+ 13.Qd3 cd5 (13...Bf5 14.Qc4 Rfc8 15.d6–/+) 14.Qb5 Qb5 15.Nb5 Bd7 16.Nc3 Rfc8 17.Nd5 Rc2 18.Nb6 (18.Bc1 A) worse is 18...Rf2 A1) 19.Ne7 Kf8 20.Ng6 hg6–/+ (20...fg6?! 21.Ng5+=); A2) 19.Ng5+/–; B) 18...Nf2?! 19.0-0 Ne4 20.Ne7 Kf8 21.Nd5=; C) 18...Ra5 19.Nb6 Bg4–/+ (worse is 19...Nf2 20.–0 Nh3 21.gh3+/–)) 18...Bb5 (18...Rd8 19.Nd7 Rd7 20.Bc1+=) 19.Na8= Rb2 20.–0-0 Ra2 21.Nc7 (better is 21.Nb6!? Nf2 22.a4–/+) 21...Ba4–+ 22.Nd5 Ra1 23.Kb2 Rd1 24.Rd1 Bd1 25.Ne7 Kf8 26.Nc8 (26.Nd5 Ke8–+) 26...Nf2 27.Nd6 (27.Kc1 Bb3 28.Kd2 f5–+) 27...Bf3 28.gf3 Nd1 (28...Nd1 29.Kc2 Ne3 30.Kd3 Ng2–+) 0–1. Koziak,Vitali (2485) – Krasenkow,Michal (2660), Poland–chT Lubniewice, 2005. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6)

8.Bd3 a5 9.Ne4 de4 10.Be4 ab4 (10...f5 11.Bd3 ab4 12.0-0+= (12.a3 ba3 13.Ba3 Na6 14.0-0 Be6) 12...c5 13.Qd2 b6 14.d5 Bb2) 11.0-0 (11.Qb3 Qd6+= (11...Qa5 12.0-0 Na6 13.a3 Be6 14.h4 h6) 12.0-0 Na6 13.Ne5 Be6 14.f4 Qc7) 11...Be6 (11...Bg4 12.Qb3+= (12.h3 Be6 13.Qb3 Na6 14.Ng5 Bd7) 12...Na6 13.h3 Be6 14.Ng5 Bd7; 11...Na6 12.Qc2 Qc7 13.h3 Bf6 14.a3 Be6) 12.Qc2 (12.Qb3 Qa5 13.a3 Na6 14.h3 Rfd8) 12...f5 (12...Qa5 13.a3 Nd7 14.Qb3 ba3) 13.Bd3 b5 (13...Na6 14.Qd2+= (14.Ng5 Qc8) 14...Bf6; 13...Bf6 14.h4 Na6) 14.Ng5 (14.a3 Na6 15.cb5 cb5 16.Bb5 b3+/–; 14.cb5 cb5) 14...Bc4 15.Bc4 bc4 16.Ne6 (16.Ne6 Qd6 17.Qc4+– (17.Nf8?! c3 18.Bc1 Bf8+=)) 1–0. Koziak,V (2480) – Le Ruyet,L (1880), 5th Rohde Open, Sautron FRA, 2005.

8.cd5 Nc3= 9.Bc3 Qd5 (9...cd5 10.Bd3 (10.Rc1 Bf5 11.Bd3 Bd3 12.Qd3 Nd7 13.0-0) 10...a6 11.0-0 Qd6 12.Qd2 Bg4 13.Ne5) 10.Be2 (10.Qe2 Bf5 11.Nd2 Qd7 12.Qf3 Rd8 13.Qg3) 10...Bf5 11.0-0 Nd7 12.Nd2 (12.a4 Rfd8 13.Rc1) 12...Nb6 (12...Nf6 13.Qe1) 13.Bf3 (13.a4=) 13...Qd6 14.Ne4 Be4 15.Be4 Nd5 16.Bd5 cd5 17.b5 (17.Rc1 Rfc8=) 17...Rfc8=+ 18.Qb3 Rc4 19.Rac1 e6 20.Bb2 Rb4=+ 21.Qa3 Qf8 22.Rc7 Rb5 23.Rfc1 Qa3 24.Ba3 Bf8 25.Bf8 Kf8 26.g4= Ke8 27.a4 Rb4=+ 28.a5 a6 29.h4 e5 30.f3= ed4 31.ed4 Kf8 32.Rd7 Rd4 33.Rcc7 Rf4 34.Kg2 Re8 35.Rd5 Kg7 36.Kg3+= Ra4 37.Rb7 Ra3 38.Rdd7 ½–½. Gorenstein,Rafail – Kortschnoj,Viktor, Poltava, 1956. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Ne4)

8.Be2 Nc3 9.Bc3 dc4 10.Bc4 Bg4 11.0-0 Nd7 12.Be2 Nb6 13.Rb1 Bf5 14.Rc1 Nd5 15.Ba1 (better is 15.Bd2!?=) 15...Nb4+= 16.Qb3 Qb6 17.Nd2 Be6 (17...Nd5!?–/+) 18.Nc4= Bc4 19.Bc4 e6 20.Rb1 (20.e4 Na6=) 20...Nd5+= 21.Qc2 Qc7 22.Rb3 Rfc8 23.Rc1 Qd7 24.Be2 Ne7 25.Bb2 Rd8 26.Bf3 Rac8 27.Ba3 Nd5 28.Qb1 b6 29.g3 Bf8 30.Bf8 Rf8 31.a4 a5 32.Bd5 (32.Rc4 Nb4+=) 32...cd5 33.Rb6 (33.Rc8 Rc8 (33...Qc8?! 34.Rb6 Qc4 35.Qb5=) 34.Rb6 Qa4–/+) 33...Rc1–/+ 34.Qc1 Qa4 35.Ra6 Qb5 36.Ra7 Qb6 37.Qc5 Qb1 38.Kg2 Qe4 39.Kh3 Qf3 40.Qe7? (better is 40.Qc2–/+) 40...Qf2–+ 41.Qa3?? (41.Qg5–+) 41...h5 (better is 41...Qf5 42.Kg2 Rc8–+) 42.Ra5 (42.Qc1 g5 43.e4–+) 42...Qf1 43.Kh4 Qf3 (43...g5 44.Kh5 Qh3 45.Kg5 f6 46.Kf4 Qf5) 44.Kg5 Kg7 (44...Kg7 45.Qf8 Kf8–+; 44...Kh7 45.Qf8 Qf5 46.Kh4 Qg4) 0–1. Watzlawek,Markus (2150) – Pielnik,Rainer (2260), Sueder Sommer op, 1996. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6)

8.Be2 Nc3 9.Bc3 dc4 10.Bc4 Bg4 11.h3 Bf3 12.Qf3 Nd7 13.0-0 e5 14.Rfd1 Qe7 15.Qe4 Rfe8 16.Bb3 ed4 17.Qe7 Re7 18.Bd4 a5 19.ba5 Ra5 20.Rac1 Bd4 ½–½. Moehring,Guenther (2400) – Novak,Ivan (2340), Stary Smokovec, 1979.

8.Be2 Nc3 9.Bc3 dc4 10.Bc4 Bg4 11.h3 Bf3 12.Qf3 Nd7 13.0-0 e5 14.Rfd1 Qe7 15.Qe4 Rfe8 16.Rac1 ed4 17.Qe7 Re7 18.Bd4 Bd4 19.Rd4 c5 20.bc5 Rc8 ½–½. Frey Beckman,Kenneth (2700) – Kosebay,Osman (2475), ICCF corr Champion's League, 2004.

8.Be2 Bg4 9.Qb3 dc4 10.Qc4 Nd6 11.Qd3 Nd7 12.Rd1 Qb6 13.a3 a5 14.Na4 Qc7 15.Nc5 ab4 16.ab4 Ra2 17.Qb3 Rfa8 18.0-0 Nc5 19.bc5 Ne4 20.Ng5 Ng5 21.Bg4 Ne4 22.Bc1 Kf8 23.g3 e6 24.Bf3+= Nf6 25.e4 e5= 26.de5 Nd7 27.e6 Nc5=+ 28.Qb4 Qa5 29.Bd2 Rd2 30.Qa5 Ra5 31.Rd2 fe6 32.Rb1 Ke7 33.Rb6 Bc3 34.Rd1 Ra2 35.Bg4 e5 36.f4 Bd4 37.Kh1 Kf6 38.fe5 Ke5 39.Rb4 Be3 40.Rd8=+ h5 41.Bf3 Rf2 42.Bg2 Rd2 43.Re8 Kf6 44.Rb1 Kf7 45.Rc8 Ke6 46.Re8 Kf7 47.Rc8 Ke6 ½–½. Donchenko,Anatoly G (2345) – Milov,Leonid (2300), URS–chT Podolsk, 1990.

9.Bc3 Bg4 10.0-0 e5 11.de5 Nd7 12.h3 Bf3 13.Qf3 (< 13.gf3 Ne5 14.Be5 Be5–/+) 13...Ne5 14.Be5 Be5 15.Rad1 Bc7 (15...Qd6!?+=) 16.cd5+/– Qd6 17.g3 cd5 18.Bc4 Qb4 19.Bd5 Rab8 20.Rb1 Qa5 21.Bb7 Qa2 22.Ra1 Qe6 23.Ra7 Qh3 24.Bd5 Be5 25.Rf7 Rf7 26.Qf7 Kh8 27.Rc1 Bg7 28.Bg2 Qh5 29.Qd7 Qe5 30.Rc8 Bf8 31.Rb8 Qb8 32.Bd5 Bc5 33.Qe6 Kg7 34.Qf7 Kh6 35.Qf6 Qd6+/– 36.Qd6 Bd6 37.f4 Kg7 38.e4+– g5 39.e5 Bc7 40.Kg2 h5 41.Kf3 Kh6 42.Ke4 h4 43.Kf5 hg3+/– 44.fg5 Kg7 45.Be4 Kf7 46.g6 Kg7 47.e6 Bd6 48.Bg2 ½–½. Helbig,Andreas (1685) – Perez,Jose M (1785), IECC, 1999.

9.Bc3 Bg4 10.h3 Bf3 11.Qf3 dc4 12.Bc4 Nd7 13.0-0 e5 14.Rad1 ed4 15.Bd4 Qe7 16.Bb3 a6 17.Qf4+= Bd4 18.Rd4 Nf6 19.Qd6 Rfe8= 20.Rfd1 Kg7 21.Qe7 Re7 22.Kf1 a5 23.ba5 ½–½. Prizant,Ja (2465) – Zakhartsov,V (2520), Open, Vladimir RUS, 2004.

9.Bc3 Bg4 10.h3 Bf3 11.Qf3 e5 12.de5 Nd7 13.Qg3 Qe7 e5 draws heavy fire 14.f4 f6 15.e6 Nb6 16.f5 ½–½. Ivkov,Borislav (2530) – Pytel,Krzysztof (2450), Zemun, 1980. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6 8.Bd3 Nc3)

9.Bc3 Bg4 10.h3 Bf3 11.Qf3 e6 12.0-0 Nd7 13.a4 Rc8 14.Rfc1 Qe7 15.b5 c5 (15...dc4!? 16.Bc4 Nb6+=) 16.cd5+/– cd4 17.Bd4 Ne5 18.Qd1 ed5 19.Be2 b6 20.a5 Nc4 21.Bg7 Kg7 22.Qd4 Qf6 23.Qf6 Kf6 24.ab6 ab6 25.Ra6 Ke5+= 26.Rc2 Rfd8 27.Ra7 Nd6 28.Rca2 d4 29.ed4 Kd4 30.Re7 Kc5 31.Rc2 Kb4 32.Rd2 h5 33.g4 hg4 34.hg4 f5 35.Re6 Ne4 36.Rd8 Rd8 37.Rb6 Nc3 38.Bf1 Rd1 39.Re6 fg4 40.b6 Kc5 41.b7 Rb1 42.Re5 Kd6 43.Re3 Nd5 44.Rd3 Kc6? 45.Rd1!!+– Rb7 46.Rd5! 1–0. Polugaevsky,Lev (2630) – Hartston,William R (2480), Las Palmas, 1974.

10.Bc4 a5 11.ba5+/– c5 12.Qd2 Nc6 13.0-0 (13.dc5 Qd2 14.Kd2 Rd8 15.Kc2 Bf5 16.Kb3 Bc3 17.Kc3 Ra5+=) 13...Na5 (13...Bg4 14.Be2= (worse is 14.dc5 Qd2 15.Bd2 Bf3 16.gf3 Ba1 17.Ra1 Rfd8–+)) 14.Be2 Nc6 15.Rfd1 (worse is 15.dc5 Qd2 16.Bd2 Rd8–/+) 15...Qd5 16.Qb2 c4 (16...cd4 17.Nd4 Nd4 18.Bd4+=) 17.Ne5 (17.a4 Bf5+/–) 17...Ne5 18.de5 Qc5 19.e6 (19.a4 Qc7+/–) 19...f6 20.Bd4 (20.a4 Qc7+=) 20...Qc6 21.Bf3 Qe6 22.Bc3 Kh8 ½–½. Jovanovic,Alexander (1890) – Tyomkyn,Mikhail (2045), Regionalliga SW, 2005. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Nf3 Ne4 7.Bb2 c6 8.Bd3 Nc3)

11.0-0 Nb6 12.Bb3 Nd5 13.Bd2 Qd6 14.a3 h6 15.e4+= Nc7 16.Qc1 Nb5 17.e5 Qd8 18.Bh6 Nd4 19.Nd4 Qd4 20.Re1 Be6 21.Bg7 Kg7 22.Be6 fe6 23.Qc2 Rf5 24.Rad1 Re5 25.Re2 Re2+= 26.Qe2 Qf6 27.h3 a5 28.b5 cb5 29.Qb5 Rf8 30.Qc5 Rf7 31.Rb1 Qf5 32.Qc3 Qf6 33.Qe3 Rf8 34.Rb7 Rd8 35.Rb5 Rd5 36.Rb1 e5+= 37.Re1 Qd6 38.h4 Rd1 39.Rd1+= Qd1 40.Kh2 Qd6 41.g3 Qd5 42.a4 Kf7 43.Qc3 ½–½. Gleizerov,E (2560) – Sebenik,M (2405), 12th Open, Zadar CRO, 2005.

11.0-0 Nb6 12.Bb3 Qd6 13.a3 Bf5 14.Qe2 Be6 15.Nd2 Bb3 16.Nb3 Na4 17.Rac1 Nc3 18.Rc3 e5 19.de5 Qe5 20.Rd3 b6 21.Rc1 Rac8 22.Rd2 Rc7 23.Rdc2 Rd8 24.Nd4 c5 25.bc5 bc5 26.Nb5 Rb7 27.Rc5 Qb2 28.R1c2 Qb1= 29.Rc1 Qb2 30.R1c2 Qb3 31.g3 Bf8= 32.Nd4 Qa3 33.Rc7 Rd7 34.Rd7 Rd7 35.Qb5 Qd6 36.Rc6 Qe7 37.Rc8 Rd8 38.Rc4 Qd7 39.Qa6 Rb8 40.Ra4 Rb1=+ 41.Kg2 Qd5 42.Nf3 Qd1 43.Ne5 Qd5 44.Nf3= Qb7 45.Qa7+= Qd5 46.Qd4 Qb5 47.Qc4 Qb7 48.Qe4 Qb5 49.Rc4 Rb4 50.Rb4 Bb4 51.h4 Bf8 52.Ng5 h6 53.Nf3 h5 54.Qe5 Qd7 55.Qf4 Qe8 56.Nd4 Bg7 57.Ne2 Qb5 58.Qf3 Be5 59.Ng1 Kg7 60.Qe4 Bf6 61.Nh3 Qd7 62.Nf4 Qg4 63.Qf3 Qd7 64.e4 Qd2 65.Qe2 Qd4 66.Qd3 Qb2 67.Qe2 Qa1 68.Nd3 Qa8 69.Qf3 Qa1 70.Qe2 Qa8 71.Kh2 Bd4 72.Ne1 Qa7 73.Kg2 Qb7 74.Nf3 Bf6 75.e5 Be7 76.Kh2 Qd5 77.Ne1 Qe6 78.Nd3 f6 79.ef6 Qf6 80.Qe5 Qe5 81.Ne5 Kf6 82.f4 Kf5 83.Kg2 Bh4? 84.gh4+– Kf4 ½–½. Posedaru,B (2315) – Tazbir,M (2525), XXVIII Victor Ciocaltea Mem, 2011.

11.0-0 Nb6 12.Bb3 Qd6 13.Rc1 Bg4 14.h3 Bf3 15.Qf3 Nd5 16.Bd5 cd5 17.Bd2 Rac8 18.Rc5 e6 19.Rfc1 Rc5 20.Rc5 Qa6 21.Rc2 b5 22.Qe2 Rc8 23.Rc8 Qc8 24.Qb5 Qc2 25.Be1 Qa2 26.g3 a6 27.Qe8 Bf8 28.b5 ab5 29.Qb5 ½–½. Kholmov,Ratmir D – Kortchnoi,Viktor L, URS–ch21 Kiev, 1954. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Ne4 7.Bb2 c6 8.Bd3 Nc3 9.Bc3 dc4)

11.e4 Nb6 12.Bb3 Bg4 13.0-0 Qd6 14.h3 (14.a4 Bf3 15.Qf3 Bd4+=) 14...Be6 (14...Bf3 15.Qf3 (< 15.gf3 Rad8–/+) 15...Bd4 16.Rfd1=) 15.Rc1 (15.a4 Rad8=) 15...Rad8 (15...Bh6 16.Rb1=) 16.a4 (16.Re1 Bh6 17.Rb1 Bg7=) 16...Na8 (16...Bh6 17.Ra1=) 17.d5 (17.Be6 Qe6 18.Re1 Nb6+=) 17...Bc3 18.de6 (< 18.Rc3 Qb4 19.Rd3 cd5 (19...Qe4? 20.Re1 Qd3 21.Qd3+–) 20.ed5 Bf5=+) 18...Qd1 (18...Qb4 19.Qc2 Bg7 20.ef7 Kh8 21.Rfd1+=) 19.ef7 Kg7 20.Rfd1 Bb4 21.Ne5 Bd6 22.Nd3 e5 23.g3 g5+= 24.f4 ef4 25.e5 Be7 26.gf4+/– gf4 27.Nf4 Nc7 28.Kf2 Kh6 29.Rd8+– Rd8 30.Kf3 c5 31.Rg1 b6? 32.Rg8 Rf8 33.Ne2 b5 34.Ng3 c4 35.Nf5 Kh5 36.Bd1 (36.Bd1 Rd8 37.f8Q Bf8 38.Kf4 Rd1 39.Rg5#) 1–0. Drasko,M – Gavrikov,VN, It, 1985. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Ne4 8.Bd3 Nc3 9.Bc3 dc4 10.Bc4 Nd7)

11.e4 Nb6 12.Bb3 Bg4 13.0-0 Qd7 14.a4=.

11.e4 Nb6 12.Bb3 Bg4 13.0-0 Qd7 14.h3 Bf3 15.Qf3 Bd4 16.Rad1 e5 17.Rd3 (17.Rd2 Rad8=) 17...Rad8 18.Rfd1 Qd6 19.a3 Rd7 20.Bd4 (20.a4 c5 21.bc5 Qc5=) 20...ed4 21.Rd4 Qd4 22.Rd4 Rd4 23.Qe3 Rfd8 24.Qf4 R4d7 25.e5 Nd5=+ 26.Qe4 Re7 27.f4= Red7 28.g4 Nc7 29.f5 ½–½. Berkley,Stephen (1655) – Bartsch,Christian (1765), IECC, 2000.

9.Nd2 Na6+=.

9.Nd2 f5 10.a4 Nd7 (10...e5 11.de5 Be6 12.c5=) 11.Qb3 Kh8 (11...e5 12.c5 Kh8 13.Nc4+=) 12.c5 (12.Rd1 e5+=) 12...Nf6 (12...a5 13.Nc4 ab4 14.Qb4+=) 13.Be2 (13.Bc4 a5+/–) 13...Nd5 14.b5 (14.0-0 Be6+=) 14...Qe8 (14...e5 15.de5 Be6 16.Rd1+=) 15.Bc4+/– e6 16.g3 Bd7 17.Nb1 Qe7 18.Nc3 h6 19.Nd5 ed5= 20.Be2 g5 21.Kd2 f4 22.gf4 gf4 23.Rag1 fe3 24.Qe3 Qf6 25.Rg2 h5 26.Ke1 Bh6 27.Qb3 h4 28.h3 Bf4 29.Bg4 Bg4 30.hg4 Rae8 31.Qd1 Bg5 32.Rh3 Qh6 33.Kf1 Re7 34.Qe2 Ref7 35.Bc3 Rf3 36.Rgh2 Qf6 37.Bd2= Bd2 38.Rh4=+ Kg8 39.Qd2 e3 40.Qc2 Rf2 41.Rf2 Qf2 42.Qf2 Rf2 43.Ke1 ½–½. Kilpatrick,Robert – Craig,Tom James, corr SCCA final, 1979.

9.Nd2 f5 10.Be2 Nd7 (10...e5 11.de5 Qg5 12.0-0+=) 11.0-0+= e5 12.Nb3 (12.c5 ed4 13.Qb3 Kh8 14.Bd4 Bd4 15.ed4 Nf6=) 12...ed4 13.Bd4 (13.Nd4 Qb6 14.Rb1 Ne5+=) 13...Ne5= 14.Qc2 Qc7 (14...Qg5 15.Rfd1=) 15.Rfd1+= b6 16.c5 (16.Rd2 Be6+=) 16...Be6 17.Rac1 (17.Rd2 Rad8+=) 17...Rac8 (17...Rad8 18.a4=) 18.Ba6 (18.Nd2 b5+=) 18...Rcd8= 19.cb6 (19.b5 Ng4 20.f4 ef3 21.gf3 Ne5=) 19...ab6 20.h3 (20.Be2 Rf7=) 20...Bd5 21.Be2 g5 22.Be5 Qe5 23.Nd4 Rd6 24.a4 g4 25.hg4 fg4 26.Bg4 Rh6 27.g3 Qg5 28.Qe2 Bd4 29.Rd4+= Rhf6 30.Rf1 h5 31.Bh3 Rf3 32.Bg2+/– h4 33.Qe1?? hg3–/+ 34.fg3 Rf1 35.Bf1=+ Rf3 36.Rd2 Re3 37.Re2 Rg3 38.Rg2 Rg2–+ 39.Bg2 e3 40.Qe2 Kg7 41.Kh1? Qh4 42.Kg1 Qg3 43.Kf1?? Bc4!!–+ (43...Bc4 44.Kg1 Be2 45.Kh1 Bh5 46.Bc6 e2 47.Bg2 e1Q 48.Bf1 Qf1#) 0–1. pispindroi – firesparrow (2115), net–chess.com, 2008.

9.Nd2 f5 10.Be2 Be6 11.g4 Nd7+= 12.h4 a5 13.h5 ab4 14.hg6 hg6 15.Qb3 Nf6 16.gf5+/– Bf5 17.Qb4 Qa5 18.Qa5 Ra5 19.Nb3 Ra7+= 20.a4 Nd7 21.a5+/– b6 22.Kd2 ba5 23.Na5 Rc7 24.Bc3 Be6 25.Rh2 Nb6 26.Rg2 Bf5 27.Rgg1 e5+= 28.Rgb1 ed4= 29.ed4 e3 30.fe3 Bb1 31.Rb1 Nd7 32.Rg1 Rf6 33.c5 Kf8 34.Rg2 Bh6 35.Kd3 Re6 36.e4+/– Rf6? 37.Bg4 Bg7 38.e5+– Rf4 39.Bd7 Rd7 40.Nc6 Rc7 41.Rg6 Kf7 42.Rd6 Bf8 43.Nd8 Ke8 44.Rd5 Rd7? 45.Ne6 Rf3 46.Kc4 Rc3 47.Kc3 Ra7 48.Nf8 Kf8 49.Rd6 Ke7 50.Kc4 Ra4 51.Kd5 Ra5 52.Rh6 Rb5 53.Rh7 Kf8 54.Kd6 Ra5 55.d5 Ra6 56.c6 Kg8 57.Rd7 Kf8 58.e6 Kg8 59.Rd8 Kg7 60.e7 Ra7 61.e8Q Rf7 62.Qg8 Kf6 63.Rf8 Rf8 64.Qf8 Kg5 65.c7 Kg4 66.c8Q Kg5 67.Qf7 Kh6 68.Qh8 Kg5 69.Qhh5# 1–0. Ehlvest,J (2590) – Malisauskas,V (2510), Liepajas Rokade, Liepaja LAT, 2006.

9.Nd2 f5 10.f4 ef3= 11.Nf3 Nd7 (11...f4 12.e4+=) 12.Qb3+= e5 13.c5 Kh8 14.Bc4 (14.de5 Qe7+=) 14...ed4 (14...e4 15.Nd2=) 15.Nd4 (15.Bd4 Bd4 16.Nd4 Qh4 17.g3 Qf6+=) 15...Ne5= 16.0-0-0 (16.0-0!?=) 16...Nc4 17.Qc4 Qe7 18.Kb1 (18.Rhe1 Rd8=+) 18...Bd7 (18...a5 19.b5=+) 19.Nf3 Rae8 (19...Be6 20.Bg7 Kg7 21.Qc3 Kg8 22.h4=+) 20.Bg7= Qg7 21.Qd4 Be6 22.Qg7 Kg7 23.Rd6 (23.Rhe1 Bd5=+) 23...Bd5 24.Rd7 (24.Re1 Rf6 25.Rd7 Rf7 26.Rf7 Kf7=+) 24...Rf7–/+ 25.Rf7 Kf7 26.Re1 Kf6 27.Kb2 g5 (27...g5 28.h3 h5–/+) 0–1. Harding,Timothy David – Van Bogaert,Olivier, corr EU–ch M873, 1989.

9.Nd2 Bf5 10.Be2 (10.g4 Bd7+/-) 10...h5 (10...a5 11.ba5 e5 12.g4 ed4 13.Bd4 (worse 13.gf5 de3 14.Bg7 ed2 15.Qd2 Kg7-/+) 13...Bd4 14.ed4=) 11.Qc2+/- e5 12.de5 Nd7 13.Ne4 Ne5 14.Rd1 Qc7 (14...Qh4 15.Be5 Be4 16.Qc3 Be5 17.Qe5+/-) 15.0-0 (15.c5 Rfe8+/-) 15...Rad8 (15...Rfe8!? 16.f3 a5 17.ba5 Qa5+=) 16.f4+/- Ng4 (16...Be4 17.Qe4 Nf3 18.Bf3 Bb2 19.Rd8 Rd8 20.Qc2+/-) 17.Bg4 (17.Bg7 Kg7 18.Qc3 Kg8+-) 17...hg4 (17...Be4 18.Qe4 Bb2 19.Bf3+/-) 18.Bg7 Kg7 19.Qc3 f6 20.Ng3 Qe7 (20...Rfe8 21.Rd4+/-) 21.Rd8 Rd8 22.Re1 (better 22.e4 Be6 23.f5+-) 22...Rd3?? (better 22...Be4+/-) 23.Nf5+- gf5 24.Qd3 Qb4 25.Qd7 (25.Rb1 Qa5 26.Qd7 Kh6+-) 25...Kg6 (25...Kh6 26.Rd1 Qc4 27.Qf5 Kg7 28.Rd7 Qf7 29.Qg4 Kf8 30.Rf7 Kf7 31.Qd7 Kf8 32.h4 b6 33.h5 c5 34.h6 c4 35.h7 c3 36.h8Q) 26.Qe8 Kh6 27.Qh8 (27.Rd1 Qc4 28.h4 gh3 29.Rd7 Qc1 30.Kh2 Qg1 31.Kg1 h2 32.Kh2 b5 33.Qh8 Kg6 34.Qh7) 27...Kg6 28.Qg8 (28.Rd1 Qc3 29.Qe8 Kh6 30.h4 gh3 31.Rd7 Qa1 32.Kh2 Qg1 33.Kg1 h2 34.Kh2 b6 35.Qh8 Kg6 36.Qh7) 28...Kh6 29.Rd1 Qc3 30.Qe6 Kg6 31.h3 (31.h4 Kh6 32.Qe8 Qa1 33.Ra1 Kh7 34.Qf7 Kh8 35.Rd1 b6 36.Rd8) 31...g3 (31...Kh6 32.hg4 fg4 33.Qg4 Qe3 34.Kh2 Qe8+-) 32.h4 Qc2 (32...Kh6 33.Qe8 Qa3 34.Qh8 Kg6 35.h5 Kf7 36.Rd7 Qe7 37.Qh7 Kf8 38.Qe7 Kg8 39.Qd8) 33.Rf1 (33.Qe8 Kh6 34.Qh8 Kg6 35.h5 Kf7 36.Rd7 Ke6 37.Qe8) 33...Qe2+- 34.h5! Qh5 (34...Qh5 35.Qg8 Double attack; 34...Kh5 35.Qf5 Double attack (35.Qf5 Deflection)) 35.Qe8 Kh6 36.Qh5 Kh5 1-0. goraja (1915) - Nikvol (1815), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.d4 0-0 6.b4 c6 7.Bb2)

8.a4 b6 9.Ne5 Bb7 10.Be2 Nbd7 11.cd5 cd5 12.Nd3 Re8 13.0-0 a6 14.Qb3 h5 15.Bf3 Ne4 16.Be4 de4 17.Nf4 Qg5 18.Rad1 Rac8 19.a5 (19.d5 ed5 20.Ncd5 Bb2 21.Qb2 Bc6+=) 19…b5 ½–½. Radojevic,Miomir – Masic,Ljubomir, Parcetic Memorial 4th, 1970.

8.a4 Nbd7 9.c5 e5 10.de5 Ng4 11.Be2 Nge5 12.0-0 (12.Ne5 Ne5 13.0-0 Qh4=+) 12...Qf6 (12...Nf3 13.Bf3 a5 14.b5=+) 13.Qb3 Re8 14.h3 Nf3 15.Bf3 Qh4 16.Nd1 Ne5 (16...a5 17.Bg7 Kg7 18.Qb2 Kg8 19.b5-/+) 17.Be2= Be6 18.b5 d4 19.ed4?? (better 19.Qb4=) 19...Bb3-+ 20.de5 Bd5 (20...Be5!? 21.Bg4-+) 21.Ne3 Be4 (21...Be5 22.Be5 Re5 23.Rfd1-+) 22.a5 (22.Nc4 Qg5 23.f3 Bd5 24.bc6 bc6-+) 22...Rad8 (better 22...Be5 23.Be5 Re5 24.Rfc1-+) 23.a6 (23.Ra4 Be5 24.Be5 Re5 25.bc6 bc6-+) 23...ba6 (23...Rd2 24.Nc4 Re2 25.Nd6-+) 24.Rfd1 (24.f3 Qf4 25.Bc1 Be5-+) 24...cb5 (24...ab5!? 25.Rd6 Be5 26.Be5 Re5 27.Rad1 Rd6 28.cd6-+) 25.Ra6 Rd1 26.Nd1 Qg5 27.Bf1 (27.Ne3 Be5 28.Bb5 Rb8-+) 27...Qd2 28.Ra7 (28.Nc3 Bb7 29.Ra7 Qb2 30.Nb5 Rb8-+) 28...Qd1 29.c6 (29.e6 Re6 30.Ra1 Qb3 31.Bg7 Kg7-+) 29...Bd3 (better 29...Bc6 30.Ra6 Qc2 31.Ba1-+) 30.e6 (30.Ra1 Qc2 31.Bd3 Qd3-+) 30...Qf1 31.Kh2 Bb2 32.c7 Be5 33.g3 (33.f4 Qf4 34.g3 Qg3 35.Kh1 Be4) 33...Qf2 34.Kh1 Be4 0-1. persianempire (1955) - nikolaRBM (2130), Rated Bullet game, lichess.org, 2013.

8.Qb3 Nbd7 9.a4 a6 (9...Qe7 10.Rc1=) 10.Bd3+= b6 (10...dc4 11.Bc4 Nb6 12.Bd3+=) 11.0-0 Bb7 12.a5 (12.cd5 Nd5 13.Nd5 cd5+=) 12...b5 (12...dc4 13.Bc4 c5 14.ab6 cb4 15.Qb4 Qb6 16.Qb6 Nb6 17.Be2=) 13.c5 Re8 14.Qc2 Rb8 15.e4 (15.Rfe1 Qc7+/-) 15...de4 16.Be4 Ne4 (16...Qc7 17.Bd3=) 17.Ne4 Nf6 18.Nd6 Re7 19.Ne5 (better 19.Bc1+=) 19...Nd5? (19...Rc7 20.Rfe1+=) 20.Qd2?? (20.Nb7 Reb7 21.Nc6 Qh4 22.Nb8 Rb8+-) 20...f6? (20...Rc7 21.Rae1+=) 21.Nd3 (21.Nb7!? Qc7 22.Nd6 fe5 23.de5+-) 21...Qf8 22.Rae1 Rd8 (better 22...Bc8!?+/-) 23.Nb7+- Rb7 24.Re6 f5 (better 24...Rc7+-) 25.Rc6 Re7 (25...Ra7 26.Re1+-) 26.Ra6 Rde8 (26...Re4 27.Re1+-) 27.Re1 (better 27.Ne5+-) 27...Nb4 (27...Re1 28.Ne1 Qe7+-) 28.Qb4 Re2 (28...Re1 29.Ne1 Qe7 30.Nd3+-) 29.Re2 Re2 30.h3 Qc8 (30...f4 31.Qb5 Re7 32.Qb3 Kh8 33.d5 Bb2 34.Qb2 Kg8 35.d6+-) 31.Qb5 Qd8 (31...Kf8 32.Rb6 Re8 33.Qb3+-) 32.Rb6 Bd4 (32...Re8+-) 33.Rb8 (33.Rb8 Qb8 34.Qb8 Kf7 35.Bd4+-) 1-0. deda1946 (1830) - Grigory (1695), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2)

8.c5 a6 9.a4 Nbd7 10.a5 Re8 11.Ne2 Ng4 12.h3 Ngf6 13.Ne5 Ne5 14.de5 Nd7 15.f4 f6 16.ef6 Bf6 17.Qc2 Bb2 18.Qb2 Qf6 19.Qf6 Nf6 20.Ng3 Nd7 21.e4 e5 22.f5 g5 23.Bd3 Nf6+= 24.0-0 d4 25.Bc4 Kg7 26.Rf3 Bd7 27.Raf1 h5 28.Nh5? Nh5–+ 29.f6 Kg6 30.f7 Rf8 31.Kh2 Rad8 32.g3 Bc8 33.Be2? Be6 34.R3f2 Rd7?? 35.Bh5+= Kh5 36.Rf6+/– g4 37.Re6 gh3?? 38.Rf5 (38.Rf5 Kg4 39.Rg6#) 1–0. PawnPower – perskak, internet, 2007.

8.Bd3 Nbd7 9.c5 b6 10.0-0 Bb7 11.Qe2 a5 12.a3 Qc7 13.Rfc1 Rfc8 14.h3 Nh5 (14...bc5 15.bc5 Re8 16.Na2+=) 15.cb6 Nb6 16.b5 Qd8 17.bc6 Bc6 18.Ba6 Rcb8 19.a4 (better is 19.Rab1!?+=) 19...Qd7 20.g4 Nf6?? (better is 20...Ra6 21.Qa6 Nc4 22.gh5 Rb6 23.Qb6 Nb6+=) 21.Ne5+/– Qe8 22.Nc6 (22.Nb5 Nc4 23.Rc4 dc4+=) 22...Qc6+= 23.Nb5?? (23.Bb5 Qb7+=) 23...Qd7?? (better is 23...Nc4 24.Ba3 Ra6–+ (worse is 24...Qa6 25.Nc7 Qb7 26.Na8–+)) 24.Nc7= Ra7 25.Bb5 Qd8 26.Na6 Rc8 27.Bc3 Ne4? (better is 27...Nc4 28.Nc5 Nd6=) 28.Nc5?? (28.Ba5 Rc1 29.Rc1 Nd6+/–) 28...Nd6 (28...Rc5 29.dc5 Nc3–/+ (worse is 29...Bc3 30.cb6 Qb6 31.Ra2+=)) 29.Ba6+/– Rca8 (29...Rc6 30.Ba5 Qa8 31.Bb6 Rb6+/–) 30.Bd3 (better is 30.Ba5!? Rb8 31.Rab1+–) 30...Nd7 31.Be1 Nb6 32.Rab1 Nbc4 33.Rb3 e5 (33...Rc8 34.Qf3=) 34.de5 (worse is 34.Bc4 dc4 (34...Nc4?! 35.de5 Be5 36.Qf3=) 35.Rbb1 ed4 36.ed4 Bd4–/+) 34...Be5 35.Qf3 (35.Bc4 dc4 (35...Nc4?! 36.Qf3=) 36.Bc3 Bc3 (36...cb3?! 37.Be5 Qe7 38.Bd6 Qd6 39.Nb3–/+) 37.Rbc3 Rc8 38.Rc4 Nc4 39.Rc4 Rac7–+) 35...Nb6 (35...Qg5!? 36.Rcb1 Rc8=) 36.Rcb1 Ndc4 37.Rd1 (better is 37.Bc4!? Nc4 38.Rd3+=) 37...Nb2+= 38.Rd2 N2a4 39.Na4 Na4 40.Bc4 The pressure on the isolated pawn grows 40...Nb6 41.Bd5 Nd5 42.Rd5 Exerts pressure on the isolated pawn 42...Qe7 (42...Qf6 43.Qd1+=) 43.Rbb5= Bc7 44.Bc3 a4 45.Bb4 Qe6 46.Ba3 Rd8 (46...f6 47.Bb2=) 47.Qd1 (47.Rd8!? Bd8 48.Rb8+=) 47...Rd5+= 48.Rd5 Rb7?? (better is 48...h6=) 49.Rd8+– Kg7 50.Ra8 (better is 50.Bf8 Kf6 51.Qf3 Kg5 52.Rd5 Kh4+–) 50...Rb6? (better is 50...h6+=) 51.Bf8+– Kf6 52.Qf3 Kg5 53.Ra5 f5 54.Ra4 (better is 54.gf5 Qd7 55.Rd5 Qd5 56.Qd5 gf5 57.h4 Kf6 58.Qd7+–) 54...Qe8+/– 55.Ra8 (55.Ra7!? Qe5 56.h4 Kf6 57.Kg2+=) 55...Qe5 56.h4 Kf6 57.g5 Kf7 58.Bd6?? (better is 58.Qf4 Rb1 59.Kh2 Qf4 60.ef4 Bf4 61.Kg2=) 58...Qd6 (better is 58...Rb1 59.Kg2 Qd6–+) 59.Ra1 Qc6 (59...Rb4 60.Kf1–+) 60.Qd1 (60.Qc6 Rc6 61.Kg2–+) 60...Qd6 61.Qf3 Qe5 (61...Rb4 62.Kf1–+) 62.Rd1 Rd6 (62...Qh2 63.Kf1 Ke7 64.Qa8 Qh4 65.Qh8–+) 63.Rc1 (63.Rd6 Qd6 64.e4 Qf4 65.Qb3 Kg7 66.ef5 Qf5–+) 63...Rd7 64.Qc6 Qd6 65.Qc4 Ke7 66.Kf1 (66.Qc5 Qc5 67.Rc5 Bd6–+) 66...Qh2 67.Ke2 Qg2 (67...Bg3!? 68.Qb4 Kf7 69.Qb3 Kg7 70.Qb2 Be5 71.Qb5–+) 68.Qc3 Qg4 69.Ke1?! (69.Kf1 Rd1 70.Rd1 Qd1 71.Kg2 Qd5 72.f3–+) 69...Qg1 (better is 69...Ba5! 70.Qa5 Qg1 71.Ke2 Qc1 72.Qe5 Kd8 73.Qb8 Qc8 74.Qb6 Qc7 75.Qf6 Kc8 76.Qa6 Qb7 77.Qb7 Rb7–+) 70.Ke2= Qg4 71.Ke1 Qe4 (better is 71...Ba5! 72.Qa5 Qg1 73.Ke2 Qc1 74.Qe5 Kd8 75.Qb8 Qc8 76.Qb6 Qc7 77.Qf6 Kc8 78.Qa6 Qb7 79.Qc4 Kd8 80.Qg8 Kc7 81.Qc4 Qc6 82.Qf4 Kd8 83.Qb8 Ke7 84.Qb4 Ke6 85.Qb3 Qd5 86.Qd5 Kd5–+) 72.Qf6= Ke8 73.Qh8 Ke7 74.Qf6 Ke8 75.Qh8 Kf7 76.Qh7 Ke8 77.Qh8 Ke7 78.Qf6 Ke8 79.Qh8 Ke7 80.Qf6 Ke8 81.Qg6 Kd8 82.Qf6 Kc8 (82...Ke8 83.Qh8 Ke7 84.Qg7 Ke8 85.Qg8 Ke7 86.Qh7 Kd8 87.Qh8 Ke7 88.Qf6 Ke8 89.Qg6 Kf8 90.Qf6 Kg8 91.Qg6 Kh8 92.Qh6 Kg8 93.Qg6 Kh8 94.Kf1=) 83.Qf8 (83.Qc6!? Qb4 84.Kf1+/–) 83...Kb7= 84.Qc5 Qh1 (better is 84...Ba5! 85.Qa5 Qh1 86.Ke2 Qc1 87.Qb5 Kc7 88.Qe5 Kb6 89.Qe6 Qc6 90.Qc6 Kc6+=) 85.Ke2+– Qe4 86.Qb5 (86.Rc4 Qe6+–) 86...Kc8+/– 87.Qa6 (better is 87.Qc4!? Qe5 88.Qg8 Rd8 89.Qa2+/–) 87...Kd8+= 88.Qf6 Kc8 89.Qa6 Kd8 90.Qf6 Kc8 91.Qa6 (better is 91.Qh8 Rd8 92.Qc3 Qg4 93.Kf1=) 91...Kb8 (91...Kd8 92.Qc4 Qe8 93.Ra1+=) 92.Qb5 (92.Qc4 Qb7+–) 92...Kc8+/– 93.Qc4 Qe5 94.Rc2 (better is 94.Qg8 Rd8 95.Qa2+/–) 94...Qd6= 95.Rc1 Qe5 96.Qa4 (better is 96.Qg8!? Rd8 97.Qa2+/–) 96...Kd8= 97.Qc4 Kc8 (97...Qh8 98.Qc5 Ke8 99.Qf5 Qh4 100.g6+=) 98.h5 (98.Qg8 Rd8 99.Qa2 Qb5 100.Qc4 Qa5+–) 98...Qd6 (98...Kd8 99.Qc5 Qh8 100.h6+/–) 99.Qc2 (99.Qg8 Rd8 100.Qa2 Qd3 101.Ke1 Qe4 102.Qa6 Kb8 103.Qb5 Kc8+–) 99...Qa6 (99...Qh2 100.Qc6 (100.Qf5?? Qh5 101.Kf1 Qh1 102.Ke2 Qc1–+) 100...Qh5 101.Ke1=) 100.Qc4 Qd6 101.g6 (101.Qg8 Rd8 102.Qa2 Qd3 103.Ke1 Qe4 104.Qa6 Kb8 105.Qb5 Kc8+–) 101...Qf6 (better is 101...Kd8!?+/–) 102.Qc6+– Qb2 103.Rc2 Qa1 104.Rc1 Qa2?? (104...Qb2 105.Kf1 Kd8+–) 105.Qc2 (105.Kf1!? Kd8+–) 105...Qa6 (105...Qe6 106.Qa4 Kb7+–) 106.Qc4 Qf6 107.Qa2 (better is 107.Qg8!? Kb7 108.Rb1 Bb6 109.Qc4+–) 107...Kd8+= 108.Rg1 Qg7 (108...f4 109.Qg8 Ke7 110.Qf7 Qf7 111.gf7 Kf7 112.Kf3+=) 109.f3 (109.h6 Qh6 110.Qa8 Ke7+/–) 109...Be5 (109...Bd6 110.Rg5 Qe5 111.f4 Qb5 112.Kf2+=) 110.f4 (110.Rd1 Rd1 111.Kd1 Bd6+–) 110...Bc3 (better is 110...Bf4!? 111.ef4 Qe7 112.Kf2 Qh4 113.Kg2 Qg4 114.Kh1 Qh5 115.Qh2 Qf3 116.Qg2 Qh5 117.Qh2 Qf3 118.Qg2 Qh5 119.Qh2=) 111.Rd1+– Rd1 112.Kd1 Qd7 113.Ke2 Bg7 114.Qc4 Bh6? (114...Ke8+–) 115.Qd3 Ke7 116.Qd7 Kd7 117.e4! fe4? (better is 117...Ke6 118.Kf3 Kf6+–) 118.Ke3= Ke6?? (118...Bg7 119.f5+– (119.Ke4?! Ke6=)) 119.Ke4 Kf6 120.f5 Bg5 121.Kd5 Bh6 122.Kd6 Bf8 123.Kd7 Bg7 124.Ke8 Bh6 ½–½. Nguyen,Truong Bao Tran (1880) – Vo,Pham Thien Phuc (1635), 6th HDBank Cup International Open Chess, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 e6)

8.Qb3 a5 9.b5 cb5 10.cb5 h6 (10...Nbd7 11.Bd3=) 11.Na4 (11.Bd3 Nbd7+=) 11...Ne4 12.Be2 Nd7 13.0-0 g5 (13...Ndf6 14.Rac1=) 14.Rfd1 Rc8 15.Rac1 Rc1 16.Rc1 Qb8 17.Ba3 Bf6 18.Nc5 Nb6 (18...Nec5 19.dc5 d4 20.Qa4 de3 21.fe3+=) 19.Qd1 (19.Ne6 fe6 20.Qd3 Rc8+/–) 19...Nd6 (19...Nc5!? 20.Bc5 Nd7+=) 20.Ne6+– fe6 21.Bd3 (21.Qd3 Bg7+–) 21...Nf5 (21...Rc8 22.Rc8 Qc8 23.Nd2+/–) 22.Qd2 Qa8 23.Ne5 Be5 (23...a4 24.Bc5 Be5 25.Bb6+/–) 24.de5 Rf7 (24...Nd7 25.Bb2 Qd8+–) 25.Bf5 (better is 25.Qc3!?+–) 25...Rf5+/– 26.Be7 Nc4 27.Qd4 Qe8 (27...Qb8 28.f4 gf4 29.ef4+–) 28.Bf6+– Qb5 29.g4 Rf6 30.ef6 Kf7 31.Qd3 Kf6 32.Qh7 Qe8 33.Qb7 Ne5 (33...Qf8 34.Rb1+–) 34.Qb2 (34.h3 Nc4+–) 34...Qg6 35.Qd4 (35.Qc3 a4+–) 35...Qd3 36.Qd3 Nd3 37.Rc3 Ne5 38.h3 Nc4 39.f4 a4 40.Kf2 gf4 41.ef4 e5 42.fe5 Ke5 43.Rf3 Nd6 44.Ke3 Nc4 45.Kd3 Nd6 46.Rf8 a3 47.Ra8 Nc4 (47...Ne4 48.Ra3 Ng5 49.Kc2+–) 48.Re8 Kf4 49.Kd4 1–0. Nuessel,Georg (2080) – Darr,Thomas (2030), Oberliga Bayern, 2009. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.e3 c6 7.d4 Be6)

8.Qb3 a5 9.b5 dc4 10.Bc4 a4 11.Qb4 (11.Na4? cb5 12.Be6 ba4 13.Bf7 Rf7 14.Qb7 Qa5 15.Nd2 Bf8–+) 11...a3 12.Bc1 c5 13.Qc5 Nbd7 14.Qb4 Bc4 15.Qc4 Qa5 (15...Rc8!? 16.Qb4 Qc7+=) 16.Bd2+/– Rfc8 17.Qb3 Bf8 18.0-0 e6 19.Rab1 Qa7 20.Rfc1 Nb6 21.Ne5 Qb8 22.f4 Qd6 23.g4 h6 24.f5 gf5 25.gf5+/– Nbd5 26.Rf1 Bg7+/– 27.Rf3 Nc3 28.Bc3 Nd5 29.Ba1 Rc7? 30.e4 Nf6 31.fe6 fe6 32.Rbf1?? Ne4= 33.b6?? Nd2–+ 34.bc7 Nb3 35.ab3 Qc7 36.Rf7 Be5 37.Rc7 Bc7 38.Rf6 Ra6 39.Rh6 Rc6 40.Rf6 Rc1 41.Rf1 Bh2! 42.Kg2 Rf1 43.Kf1 Kf7 44.Ke2 Kg6 45.b4? b5 46.Kd3 0–1. Stevic,Dragan – Chelushkina,Irina (2280), ch–Central Serbia, 2012. (=1.e3 d5 2.Nf3 g6 3.d4 Bg7 4.c4 Nf6 5.Nc3 c6 6.b4 0-0 7.Bb2 Be6)

8.Qb3 Nbd7 9.Ng5 Bf5 (9...dc4!? 10.Bc4 Bc4 11.Qc4 e5+=) 10.cd5+= cd5 11.Be2 (11.Nd5 e5 12.Nf6 Qf6+/–) 11...e5 12.Nf3 (12.Nd5? Nd5 13.Nf7 Rf7 (13...Kf7?! 14.Qd5 Be6 15.Qb7+=) 14.Qd5 Qe7–+) 12...e4 13.Nd2 Nb6 14.a4 Bg4 (14...Qd6!?=) 15.Bg4+/– Ng4 16.h3 (16.a5 Nc4 17.Nc4 dc4 18.Qc4 Rc8+/–) 16...Nf6= 17.a5 Nc8 18.b5 Re8 19.a6 ba6 20.Ra6 Re6 21.Re6 fe6 22.0-0 Qd7 23.Ra1 Rb8 24.Ra5 Ne8 25.Ba3 Bf6 26.Bc5 Bd8 27.Ra2 Ned6 28.Qa4 Nb5 29.Rb2 a6 30.Qa6 Nc7 31.Qa1 Rb2 32.Qb2 Na6 33.Ba3 Ba5 34.Nb3 Qc7 (34...Bc7 35.Qe2 Qc6 36.Nb5=) 35.Ne2 (35.Ne4 de4 36.Qe2+–) 35...Bb6= 36.Nf4 Qc6 37.Nd2 Bc7 38.Nf1 Nb6 39.Be7 Nc4 40.Qe2 e5 41.de5 Be5 42.Qg4 Nb8?? (better is 42...Kf7 43.Qh4 Kg7+=) 43.Nd5!+– Nd6 44.Bd6 Qd6 45.Qe4 Nc6 46.f4 Bg7 47.Nd2 h6 48.Nf3 Nd8 49.Qe8 Qf8 1–0. Lushenkov,Mikhail M (2365) – Prianikov,Sergey, Saratov–ch, 2007. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Be6)

8.c5 a5 9.a3 Nbd7 10.Bd3 Bg4 11.0-0 e5 12.Be2 ed4 13.ed4 (worse is 13.Qd4 Ne4 14.Qd3 Bf5–/+) 13…ab4 ½–½. ramoschessbrasil – rgpchesspeii (1980), net–chess.com, 2011.

8.c5 b5 9.Bd3 (9.a4 ba4 10.Qa4 a5+/–) 9...Na6 (9...a5!? 10.a3 Na6=) 10.Qb3+= Bg4? (10...Ne4 11.a4 Nc7 12.ab5 Nc3 13.Qc3 Nb5 14.Bb5 cb5 15.0-0+/–) 11.Nd2 (better is 11.Ne5 Bd7 12.a4 ba4 13.Qa4+–) 11...Nc7+= 12.0-0 (12.a4 a6+=) 12...Qd7 (12...a5 13.a3=) 13.a4+= a6 14.Qc2 Rfc8 (14...Bf5 15.Nf3+=) 15.Nb3 Nce8 16.Ra2 Qd8 17.Rfa1 Bd7 18.e4 (better is 18.Nd2!?+/–) 18...de4= 19.Ne4 Be6 20.ab5 ab5 21.Ra8 Ra8 22.Na5 (22.Ra8 Qa8 23.Ng5 Nc7+=) 22...Qc7 23.Re1? (better is 23.Ng5!? Bd5 24.Qe2+=) 23...Nd5–/+ 24.Bc3 (better is 24.Qd2–/+) 24...Rd8 (better is 24...Bd4 25.Bd2 Nef6–+) 25.Ng5+= Bc8 26.Nf3 f6 (26...Nc3 27.Qc3 Nf6 28.h3+=) 27.Be4 (27.Bd2 Bf8+=) 27...e6 (27...Bh6 28.Qb3 Kf8 29.Qb2=) 28.Bd5 (28.Bd2 Bf8+=) 28...Rd5 (28...ed5 29.Qc1=) 29.Qe2 Kf7 30.Bd2 Bf8 31.g3 g5 (31...Ng7 32.Qe4+=) 32.h4 (32.Ng5 fg5 33.Qh5 Kg8 34.Qe8 Rd4 35.Bc3+/– (worse is 35.Bg5 Qd7 36.Qd7 Bd7+=)) 32...g4= 33.Nh2 h5 34.Qd3 (34.Qe3 Qd7 35.Bc3 Qc7+=) 34...f5 (34...e5!? 35.Nb3 Ng7=) 35.Bf4+= Qd7 36.Be5 Bg7 37.Qe3 (37.Qb1 Nf6+= (37...Rd4? 38.Bd4 Bd4 39.Rd1+–)) 37...Be5= 38.de5 Ng7 39.Qg5 Rd1? (better is 39...Rd4!? 40.Rb1 Qc7=) 40.Rd1+/– Qd1 41.Nf1 Qd7 42.Ne3 Qe8 (42...Bb7 43.Ng2 Ba8 44.Qf6 Kg8 45.Nf4 Qd1 46.Kh2+/–) 43.Nb3 (43.Ng2!? Kg8+–) 43...Qd7 44.Qf4 Qd3 45.Nc1 (45.Na5!?+/–) 45...Qd2 46.Nf1 (46.Ng2 Qc3+/–) 46...Qf4= 47.gf4 Ne8 48.f3 (48.Ne3 Nc7=) 48...Nc7 49.Ne3 Kg6 50.Kf2 Bd7 51.Nb3 Na6 52.Nc2 Nc7 53.Nbd4 Nd5 54.Kg3 Kf7 55.fg4 (55.Ne2 Ke7=) 55...fg4+= 56.Nb3 Kg7 57.Nd2 Ne7 (57...Nc3 58.Kf2+=) 58.Nd4 (58.Ne4 Nf5 59.Kf2 Kh6= (worse is 59...Nh4 60.Nf6 Ng6 61.Nh5 Kf7 62.Nf6+–)) 58...Nf5 (58...Kf8!?+=) 59.Nf5+= ef5 60.Nb3 Kf7 61.Nd4 Ke7? (better is 61...Kg6+=) 62.Kf2+– Kf7 63.e6! Be6 64.Nc6 Bc4 (better is 64...Ke8!?+/–) 65.Nd4+– Bd3 (65...Kf6 66.Ke3+–) 66.Ke3 Bc4 (66...Be4 67.Nb5 Ke7 68.Nd6+–) 67.Nf5 Ke6 (67...Kf6 68.Nd6 Ke7+–) 68.Ng3 1–0. Feofanov,Alexander – Miminoshvili,Merab, 2008. (=1.Nf3 Nf6 2.b4 g6 3.e3 Bg7 4.Bb2 0-0 5.d4 d5 6.c4 c6 7.Nc3 Be6)

8.c5 b6 9.Bd3=.

8.c5 Ne4 9.Bd3 f5 (9...a5 10.b5 Nd7 A) worse is 11.Ne4 de4 12.bc6 Nc5 (12...ed3?! 13.cd7 Bf5 14.Nh4=) 13.dc5 Bb2 14.Be4 bc6–/+; B) 11.Qc2 Nc3 12.bc6 bc6 13.Bc3+=) 10.Ne2 (10.Qb3 a5 11.a3 Bf7=) 10...Nd7 11.Nf4 Bf7 12.Be4 (12.0-0 a5 13.Be4 fe4=) 12...fe4= 13.Ng5 Qc8 14.h4 a5 15.b5 cb5 16.h5 gh5 17.Qb3 (17.Nf7 Rf7 18.Qh5 Nf6=) 17...Qc6= Black intends a4 18.Nf7 Rf7 19.Nd5 Re8 20.Rh5 (20.a4 e6 21.Nf4 ba4 22.Ra4 b6 23.cb6 Rb8=) 20...a4 (20...e5!? 21.a3 Qg6–/+) 21.Qc2= Qg6 22.Rh2 e5 23.0-0-0 (23.Rd1 Qf5 24.Qe2 ed4 25.Bd4 Qd5 26.Bg7 Qc5=) 23...ed4+= 24.Bd4 Ne5 25.Be5 Be5 (25...Re5 26.Nf4 Qf6 27.Rd4–/+) 26.g3= Rc8 27.Nb6 Rc6 28.Rh4 Exerts pressure on the isolated pawn (28.Rd8 Kg7 29.Rd5 Bc7+=) 28...Bg7 (28...Bc7 29.Nd5 Bd6 30.Nf4 (30.Re4?? Rc5 31.Re8 Rf8 32.Rf8 Bf8–+) 30...Rf4 A) 31.gf4?? Rc5 (worse is 31...Bc5 32.Kb1 Be7 33.f5–+) 32.Qc5 Bc5–+; B) 31.ef4?? Rc5 32.Qc5 Bc5–+; C) 31.Rf4?! Rc5 32.Qc5 Bc5 33.Rd8 Kg7 34.Rd7 Kh8 35.Rd8 Kg7 36.Rd7 Kg8 37.Rd8 Kg7=; D) 31.Rd6 Qd6 32.cd6 Rc2 33.Kc2 Rf2 34.Kc3=) 29.Re4= Rc5 30.Qc5 Qe4 31.Rd8 Rf8 (better is 31...Bf8 32.f4 Qh1 33.Kb2 Qg2 34.Kb1 Qg1 35.Kc2 Qf2 36.Kd3 Qf1 37.Kd2 Qf2 38.Kc1 Qe1 39.Kb2 Qf2 40.Kc3 Qe1 41.Kb2 Qf2 42.Kb1 Qg1 43.Kb2 Qf2=) 32.Rf8+/– Bf8 33.Qd5 (better is 33.Qb5!? Qf3 34.Qd5 Qd5 35.Nd5+–) 33...Qd5+= 34.Nd5 b4 35.Nb6 b3 36.ab3 ab3 (36...a3!?+=) 37.Kb2+/– Bb4 (37...Kf7 38.Kb3 Ke6 39.Kc4+/–) 38.g4+– Kf7 39.Kb3 Be1 40.f4 Bf2 41.Nd5 Kg6 (41...Ke6 42.Kc4+–) 42.Kc4 h5 (42...Kf7 43.f5 Bg3 44.Kc5+–) 43.gh5 (43.f5 Kh6 44.gh5 Kh5 45.Nf6 Kh4+–) 43...Kh5 44.Kd4 (better is 44.e4!?+–) 44...b5 (44...Kg4 45.Ke4 b5 46.Nf6 Kh4 47.Kd3+/–) 45.f5 b4? (better is 45...Kh6!?+/–) 46.Kc4+– (46.Nb4?! Kg5=) 46...Kg5 47.e4 Be1 48.Nb4 Kf6 49.Nd3 Bg3 50.Kd5 Bc7 51.Ne1 (51.Nc5 Bf4+–) 51...Bg3 52.Nf3 Bc7 53.Kd4 Bb6 54.Kd3 Bc7 55.Ke3 Bg3 56.Nd2 Bc7 57.Kd4 Bb6 58.Kd5 Bc7 (58...Ba5 59.Nc4 Be1 60.Nb6+–) 59.Nc4 Bf4 (59...Bh2 60.Nb6 Bf4 61.Kd4 Be5 62.Ke3+–) 60.Kd4 (better is 60.Nb6!? Bc1+–) 60...Bc7 61.Ne3 Bb6 62.Kd3 Bd8? (62...Ba7 63.Ke2 Bc5 64.Kf3+–) 63.Nd5 (63.Ke2 Kg5 64.Nd5 Ba5+–) 63...Ke5 64.Ke3 Bg5 65.Kf3 Bd8 (65...Kd4 66.Nb6 Ke5 67.Nd7 Kd6 68.Nf8+–) 66.Ne3 Kf6 (66...Bg5 67.Ng4 Kd6 68.e5 Kd5+–) 67.Nc4 Kg5 (67...Bc7 68.Kg4 Ke7+–) 68.Nd6 Kf6 69.Kf4 Bc7 70.e5 Ke7 71.Kg5 1–0. Istratescu,Andrei (2665) – Migot,Tanguy (2375), Metz FRA, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.c5 Bg4 9.h3 Bf3 10.gf3 Nbd7 11.f4 b6 12.Bd3 bc5 13.bc5 (worse is 13.dc5 a5 14.a3 Qb8–/+) 13...Rb8 14.Qc2 Ne8 15.Rb1 Nc7 16.Ba3 Rb1 17.Qb1 Ne6 18.Ne2 Qc7 19.0-0 Rb8 20.Qc2 Nd8 21.Rb1 Rb1 22.Qb1 e6 23.Qb4 Bf6 24.Qa4 Nb8 25.Bb4 Qb7 26.Nc3 Be7 27.Ba5 f6 28.a3 Nf7 29.Qb4 Qc8 30.Qb1 e5 31.Ne2 e4 32.Bc2 Nd7 33.Ng3 Nf8 34.Bd1 f5 35.f3 h5 36.fe4 fe4 37.Kh2 Nh6 38.Be2 Bh4 39.Nf1 Nf5 40.Be1 Bf6 41.Qb3 Ne6 42.Ng3 Ng3 43.Bg3 Ng7 44.Qa4 Qd7 45.Ba6 Nf5 46.Qb3 Kf7 47.Bf2 Qc7 48.Qb7 Qb7 49.Bb7 Ne7 50.a4 Ke6 51.a5 Kd7 52.a6?? Nf5–+ 53.Be1? Ne3 54.Ba5 Nc4 55.Bb6 Nb6 56.cb6 Bd4 57.ba7 Ba7 58.Kg2 d4 (58...d4 59.Kf1 d3–+) 0–1. Panczyk,Krzysztof (2340) – Shishkin,Vadim (2505), XXIV Int Tourn Police Poland, 2009.

8.c5 h6 9.Be2 b6 10.0-0 bc5 11.bc5 Nbd7 12.Qa4 Qc7 13.Rab1 Rfb8 14.Ba3 Ne4 15.Ne4 de4 16.Nd2 Ba2 17.Rb8 Rb8 18.Bc4 Bc4 19.Nc4 Nf6 20.Ne5 Rc8 21.Rb1 Nd5 22.Qb3 Be5 23.de5 Qe5 24.Bb2 Qf5 25.Bd4 e5 26.Ba1 f6 27.Qb7 Rc7 28.Qa8 Qc8 29.Rb8 Qb8 30.Qb8 Kf7 31.g3 g5 32.Kg2 Re7 33.Qd6 Re6 34.Qd7 Re7 35.Qc6 Nc7 36.Bc3 Kg6 37.Ba5 Ne8 38.Qd5 Rg7 39.Qe4 Kf7 40.Qd5 Kg6 41.g4 Rf7 42.c6 Kg7 43.e4 h5 44.c7 Nc7 45.Bc7 Rc7 46.Qa5 Rf7 47.gh5 Kh6 48.Kg3 Rg7 0-1. Sergiej_80 (1705) - diamand1958 (1805), Rated Blitz tournament, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2)

8.Nd2 a5 9.b5 dc4 10.Nc4 cb5 11.Nb5 Na6=.

8.Nd2 a5 9.b5 dc4 10.Nc4 Nd5 11.bc6 Nc3?? (11...Nc6 12.Qb3=) 12.Bc3 (better is 12.cb7 Nd1 13.ba8Q Nb2 14.Nb2= (14.Na5?? Bd4 15.ed4 Qd4–+)) 12...Nc6= 13.Rb1 Nb4 14.a3 Qc8 (14...b5!? 15.ab4 ab4 16.Rb4 bc4=) 15.Bb4+= (worse is 15.ab4 Bc4 16.Bd3 a4+=) 15...ab4 16.Rb4 b5 17.Nd2 Ra3 18.Rb5 Rc3 19.Rb1 Bf5 20.Ra1 Rc2 21.Qe2 Qc3 (21...Rd8 22.Rd1 e5–/+) 22.Rd1= Rc8 23.g4 Be4 24.f3 e5?? 25.fe4+– ed4 26.ed4 Bd4 27.Qd3 Qb2?? 28.h4+– Rd8 29.Rh2 Bf6 30.Qf3 Bc3?? 31.Bd3+– Rc1 32.Bc4?? Bd2–+ 33.Kf1 Bf4 34.Rb2+– Rcd1 35.Kg2 R8d2 36.Rd2 Rd2 37.Kf1 (37.Kf1 g5 38.hg5+–) 1–0. Nikolov,Sasho (2370) – Balinov,Ilija (2570), Pula op, 1997. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.Nd2 a5 9.b5 dc4 10.bc6 Nc6 11.Bc4 Bc4 12.Nc4 b5 13.Ne5 (13.Nb5? Qd5 14.Nba3 Qg2–+) 13...Qb6 (13...Qd6 14.0-0 Ne5 15.Nb5+=) 14.0-0= Rfc8 (14...Rfd8 15.Qf3 Rac8 16.Nc6 Rc6 17.Rac1+=) 15.Rc1 Rab8 16.f4 e6 17.a4 (better is 17.Rf2=) 17...Nd5?? (better is 17...b4 18.Nb5 Ne5 19.fe5 Ne4+=) 18.Nd5+– (18.ab5? Ne3 19.Nd7 Qd8–+ (19...Nd1?! 20.Nb6 Rb6 21.Rfd1 Nd4 22.Kf1–+)) 18...ed5 19.Nd7 Qb7 20.Nb8 Rb8 21.Qb3 Nb4 22.Ba3 Bf8 23.f5 Re8 (23...Qd7 24.ab5 Qb5 25.f6+–) 24.fg6 (24.Rf2 Rb8 25.Rc3 Bd6+–) 24...hg6 25.ab5 Bh6 26.Rfe1 Qb5 27.Bb4 ab4 28.Rc5 Qa6 29.Rd5 Qe6 30.e4 Bd2 31.Re2 Bc3 32.Qc4 (32.Qa4 Rc8 33.g3 Rc4+/–) 32...Rc8 33.Qd3 b3 34.Rc5 (34.Rf2!?+=) 34...Rc5 (34...b2 35.Rc8 (35.Rc3?? Rc3 36.Qc3 b1Q 37.Re1 Qbb6–+) 35...Qc8 36.Qb1 Bd4 37.Kh1+=) 35.dc5= b2 36.Rf2?? (better is 36.Qb1 Qe5 37.c6 Qc5 38.Kf1=) 36...Bd4!!–+ 37.Qd4 0–1. Ibrahimli,Murad (2205) – Kantans,Toms (2500), 11th Nana Aleksandria Cup, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.Nd2 Nbd7 9.Qb3 Nb6 (9...Re8 10.Be2=) 10.c5 Nbd7 11.Bd3 Bf5 (11...b6 12.0-0=) 12.Bf5+= gf5 13.0-0 Ne4 14.Nde4 (14.Qc2 e6+=) 14...fe4= 15.f3 ef3 16.Rf3 f5 (16...e5 17.Raf1=) 17.Nd5 (17.Raf1 e6+=) 17...cd5 18.Qd5 Kh8 19.Rf5 (19.Qb7 Nc5 20.bc5 Rb8 21.Qa7 Rb2=) 19...Rf5= 20.Qf5 Nf6 21.e4 Qc8 (21...Qe8 22.d5+=) 22.Qf3 Qg8= 23.Rf1 Qa2+= 24.Bc3 Qc4 25.d5 a5 26.ba5 Qc5 27.Kh1 Rg8 28.d6 Nd7 29.Bg7 Rg7 30.e5 Qe5–+ 31.Qb7 Qd6 32.a6 Rf7 33.Ra1 Qf6–+ 34.Qb1 Rf8 35.h3 Nb6 36.Qd1 Rg8 37.a7 Qf2 38.Qg1 Qg1 39.Kg1 Kg7 40.Rb1 Na8 41.Kf2 Kf7 42.Rb8 Nc7 43.g4 Rf8 44.Ke3 Kg7 45.Rb7+= Na8 46.Re7 Kg8 47.g5 Rf1 48.Kd4 Rf5+/– 49.h4 h6?? 50.gh6 Rh5 51.h7! Kh8 52.Rd7 Ra5 53.Kc4 Nb6+/– 54.Kb4 Ra1 55.Rf7 Nc8 56.Rf8 ½–½. Birnboim – Lein,A, Beersheva, 1982. (=1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Be6)

8.Nd2 Nbd7 9.Be2 dc4 10.Nc4 Bc4 11.Bc4 e5 12.de5 Ne5 13.Be2 Qe7 14.Qb3 Rfd8 15.Rd1 Rd1 16.Nd1 Ne4 17.Nc3 Nc3 18.Bc3 (18.Qc3? Nf3 19.Bf3 Bc3 20.Bc3 Qe6–+) 18...Nd7 19.Bg7 Kg7 20.0-0 Nb6 21.Rd1 Rd8 22.Qb2 Kg8 23.Rd8 Qd8 24.g3 Qd5 25.h4 Nd7 26.Qc2 Nf6 27.a3 Qe5 28.Qd3 Kg7 29.Bf3 h6 30.Bd1 a5 31.ba5 Qa5 32.a4 Qb4 33.Bc2 b6 34.Kg2 Qc5 35.Bb3 Qb4 36.Bc2 Qc5 37.Bb3 Qb4 38.Bc2 Qc5 ½–½. Barcza,Gedeon – Bertok,Mario, Sochi Chigorin Memorial, 1966. (=1.Nf3 g6 2.d4 Nf6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.Nd2 Nbd7 9.Be2 Ne8 10.0-0 f5 11.cd5 cd5 12.Nb3 b6 13.Nd2 Nd6 14.Qb3 Nf6 15.b5 Kh8 16.Rac1 Bh6 17.Nf3 f4 18.ef4 Bf4 19.Rcd1 Nf5 20.Rfe1 Ng4 21.g3+/– Be5?? 22.Rf1 Nd6?? 23.Nh4 Bf7?? 24.Nf5 Nh2 25.f3?? Qc7?? 26.f4?? Nb7?? 27.Qd5 1–0. Spiridonov,Nikola (2450) – Georgiev,Krum (2210), BUL–ch Bulgaria, 1975. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.cd5 cd5 9.Rc1 Nc6 10.a3 a5 11.b5 Na7 12.a4 b6 13.Ne5 Nd7 14.Nd3 Rc8 15.Be2 Nf6 16.0-0 Ne8 17.Bf3 Rc4 18.Qb3 Nf6 19.Rc2 Rc8 20.Rfc1 d5 seems the pivot of the position 20...Qd7 21.Ne5 Qb7 22.Ne2 g5 23.Nc6?? (better 23.Rc8 Rc8 24.Rc8 Nc8 25.Nc3+/-) 23...g4-+ 24.Na7 Qa7?? (24...Rc2 25.Qc2 gf3 26.Nc6 fe2 27.Qe2-+) 25.Nf4?? (better 25.Rc8 Rc8 26.Rc8 Bc8 27.Bd5 Nd5 28.Qd5+-) 25...Rc2 26.Ne6?? (better 26.Qc2 gf3 27.Qc7 Qc7 28.Rc7-+) 26...Rc1 (26...fe6?! 27.Qc2 gf3 28.gf3-+; 26...gf3?! 27.Qc2 fe6 28.Qc6-+) 27.Bc1 fe6 (27...gf3?! 28.Nf8 Qc7 29.Bd2 Bf8 30.gf3-+) 28.Be2 Rc8 29.Bb2 Qc7 30.Bd1 (30.Bd3 Qd6 31.Ba3 Qd7-+) 30...Qc4 31.Qa3 h5 32.g3 (32.f3 Kf7-+) 32...Ne4 33.Qe7 Nd2 (better 33...Rf8 34.Qe6 Kh7 35.Bg4 Nd2 36.Bf5 Kh8 37.Qh6 Bh6 38.Bh3 Qe2 39.g4 Qd1 40.Kg2 Qf1 41.Kg3 Qf2) 34.Qe6 Kh8 35.Qf5?? (35.Be2 Qc2 36.Qd5-+) 35…Qf1 0-1. BOXPA (1795) - ars72 (1840), Rated Blitz game, lichess.org, 2013. (=1.d4 d5 2.c4 c6 3.e3 g6 4.Nf3 Bg7 5.b4 Nf6 6.Bb2 0-0 7.Nc3)

8.cd5 cd5 9.Bd3 Nc6 10.a3 a6 11.0-0 Bg4 12.h3 Bf3 13.Qf3 b5 14.Rac1 Rc8 15.Rfd1 e6 16.Na2 Qb6 17.Qe2 Ne8 18.a4 Nd6 19.Rc5 Nb7 (better is 19...ba4 20.Rb1 a5=) 20.ab5+/– Nc5? (better is 20...ab5 21.Rb5 Qc7+/–) 21.dc5 Qb7 22.bc6 Rc6 23.Rb1 Qa7 24.Bg7 Kg7 25.Nc3 Rb8 26.Qb2 Kg8 27.Qa3 Ra8 28.Ra1 a5 29.b5 (better is 29.Nb5 Qb8 30.Nd6+–) 29...Rc5 30.b6! Rc3 (30...Qb6 31.Na4 Double attack (31.Na4 Decoy)) 31.ba7 (31.Qc3!? Qb6 32.Ra4 Qd8+–) 31...Ra3+/– 32.Ra3 Ra7 33.Kf1 Kf8 34.Ke2 Ke7 35.Kd2 Kd6 36.Rc3 e5 37.Kc2 f6 38.Kb3 Rc7 39.Rc7 Kc7 40.Ka4 Kb6 41.Be2 (41.g4 e4 42.Bb5 Kc5+–) 41...f5 42.Bb5 g5 43.Bd7 f4+= 44.Be6 fe3 45.fe3 Kc5 46.Ka5 d4 47.ed4 Kd4 48.Kb4 e4 49.Bg4 Ke3+= 50.Kc3 Kf2 51.Kd4 Kg2?? 52.Ke4+– Kg3 53.Kf5 Kh4 54.Kf6 h6 55.Kg6 h5 56.Kf5 Kg3 57.Kg5 h4 58.Kh5 Kf4 59.Kh4 Ke4 60.Kg5 1–0. Dobrzhanskaia,Irina – Stezhka,J, UKR ol Alushta, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 d5 4.Bb2 Bg7 5.e3 0-0 6.c4 c6 7.Nc3 Be6)

8.cd5 Nd5 9.Nd5 Qd5+= 10.a4 Nd7 11.Be2 a5 12.b5 c5 13.0-0 Rac8 14.Rc1 Rfd8 15.Bc4 Qd6 16.Ba3 Bc4 17.Rc4 Qb8 18.Qb3 (18.dc5 Ne5 19.Qc2 Nc4 20.Qc4 Qd6 21.Qf7 Kf7 22.Ng5 Kg8 23.cd6 ed6–+) 18...cd4 19.Rc8 Rc8 20.ed4 e6 21.Rc1 Nb6 22.g3 Rc1 23.Bc1 Nd5 24.Bd2 Qc7 25.Kf1 b6 26.Ke2 f6 27.Ne1 Kf7 28.Qc2 Qd7 29.Qc4 g5 30.Ng2 h6 31.f4 Bf8 32.fg5 fg5 33.Ne3 Bg7 34.Nc2 (34.Kf2 Qd8 35.Kg1 Qd6=) 34...Ne7+= Exerts pressure on the isolated pawn 35.Be3 Qb7 36.Kf2 Qh1 37.Qf1? (better is 37.Qc7!?+=) 37...Qh2–+ 38.Qg2 Qg2 39.Kg2 Nd5 40.Bd2 Kg6 41.g4 h5 42.Kf3 (42.gh5 Kh5 43.Kg3 Ne7–+) 42...hg4 43.Kg4 Nf6 44.Kf3 (44.Kh3 Kf5–+) 44...g4 45.Ke2 Nd5 46.Ne3 (46.Kd3 Bh6 47.Bh6 Kh6–+) 46...Kh5 47.Kd3 (47.Nd5 ed5 48.Be1 Bd4–+) 47...Bh6 (47...Bh6 48.Nd5 ed5–+) 0–1. Neelotpal,Das (2420) – Swiercz,Dariusz (2615), Doha QAT, Masters Open, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.Ng5 Bf5 9.Qb3 h6 10.Nf3 Be6 11.c5 Ne4 12.Bd3 Nd7 13.0-0 (13.Ne4? de4 14.Qd1 ef3 15.gf3 a5–+) 13...Bf5 14.Qc2 Nc3 15.Bc3 (15.Bf5 gf5 16.Bc3 e6+=) 15...Bd3= 16.Qd3 Qc7 17.Rfe1 e5 18.de5 Ne5 19.Be5 Be5 20.Ne5 Qe5 21.Rad1 Rfe8 22.Qb1 b5 23.a4 ba4 24.Qa1 Qa1 25.Ra1 a5 26.Ra4 ab4 27.Rb4 Ra5 28.Rc1 Re4 29.Rd4 Kg7 30.g4 Kf6 31.Kg2 Ra4 32.Ra4 Ra4 33.Kf3 Ke5 34.Rb1 Rc4 35.Rb8 Kf6 36.h4 Rc5 37.Rh8 Rc1 38.Rd8 Rc4 39.Rc8 h5 40.gh5 gh5 41.Kg3 c5 42.Rh8+= Kg6 43.Rd8 d4 44.ed4 Rd4 45.Rc8 c4 46.Rc5 f6 47.f3 f5 48.Rc6 Kg7 49.Ra6 f4 50.Kf2 Kf7 51.Rh6 c3 52.Rc6 Rd2 53.Ke1 Rc2 54.Kd1 Rh2 55.Rc3 Ke6 56.Rc5 Rh4 57.Ke2 Rh3 58.Kf2 Kf6 59.Ra5 Kg6 60.Ra6 Kg5 61.Ra5 Kh4 62.Rf5 Rh2 63.Kg1 Rb2 64.Kf1 Kg3 65.Rh5 Rf2 66.Kg1 Kf3 67.Rh3 Ke2 68.Rb3 Rf1 69.Kh2 Rd1 70.Kg2 Rd2 71.Rf3 Rd4 72.Rb3 Rd7 ½–½. Villeneuve,Alain (2260) – Roos,Daniel (2250), FRA–ch, 1979.

8.Ng5 Bf5 9.h3 h6 10.Nf3 Nbd7 11.c5 a5 12.b5 Ne4 13.Rc1 a4 14.Ne4 de4 15.Nd2 e5 16.bc6 bc6 17.Nc4 Be6 18.de5 Nc5 19.Ba3 Bc4 20.Rc4 Qd1 21.Kd1 Rfd8 22.Kc2 Nd3 23.Bd3 ed3 24.Kd2 Be5 25.Rb1 Ra6 26.Bc5 Ra5 27.Bd4 Bd4 28.ed4 Rad5 29.Rbb4 a3 30.Kd3 c5 31.Ra4 Kg7 32.Ra3 Rd4 33.Rd4 Rd4 34.Kc2 Kf6 35.Ra5 Rc4 36.Kb3 Rc1 37.Kb2 Rc4 38.Ra3 Ke5 39.Re3 Kd6 40.a3 h5 41.Rf3 Ke6 42.Rc3 Rf4 43.Rc5 Rf2 44.Rc2 Rf1 45.a4 g5 46.Kb3 Kd5 47.a5 Rb1 48.Rb2 Ra1 49.Rf2 f6 50.Kb2 Ra4 51.Rf3 h4 52.Kb3 Ra1 53.Kb2 Ra4 54.Kb3 Ra1 55.Kb2 Ra4= ½–½. Kveinys,Aloyzas (2515) – Bartel,Mateusz (2605), Bundesliga, 2008. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

8.Ng5 Bg4 9.Qb3 h6 10.h3 Bh5 11.g4 hg5 12.gh5 dc4 13.Bc4 Nh5 14.Ne4 b5 15.Be2 Qd5 16.Qd5 cd5 17.Nc3 Nf6 18.Bb5 Rc8 19.Ke2 a6 20.Bd3 Nc6 21.Na4 Nd7 22.a3 e5 23.de5 Nce5 24.Be5 Ne5 25.Rac1 d4 26.Nb6 Rc1+= 27.Rc1 Rb8 28.Rc8 Rc8 29.Nc8 Nd3 30.Kd3 de3 31.Ke3 f5 32.Ne7 Kf7 33.Nc6 Ke6 34.Nb8 a5 35.ba5 Kd5 36.f3 Kc4 37.Nc6 Kb5 38.Ne7 Ka5 39.Ng6 Bf6 40.Nf8 Ka4 41.Nh7 Be7 42.Kd4 Ka3 43.Ke5 g4 44.hg4 fg4 45.fg4 Bh4 46.Nf8 Kb4 47.Ng6 Bg5 48.Kf5 Bh6 ½–½. Bruno,Fabi (2455) – Khenkin,I (2630), Arctic Chess Challenge, Tromso NOR, 2009. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Be6)

9.Be2 b6=.

9.Be2 Bg4 10.0-0 Qc7 11.a4 e5 12.h3 Be6 13.b5 e4 14.Nd2 Ne8 15.a5 Qc8 16.a6 b6 (better is 16...cb5!? 17.Bb5 Nc7 18.Bd7 Bd7+=) 17.cb6+/– ab6 18.bc6 Qc6 19.Rc1 Qd6 20.Qb3 Qe7 21.Bg4 (21.Ba3 Qg5 22.Bg4 Ra6 23.Be6 Ra3 24.Bf7 Rf7 25.Qa3 Nef6+–) 21...f5? (better is 21...Ra6 22.Nd5 Bd5 23.Qd5 Nef6=) 22.Ba3+– (22.Nd5? Qf7 23.Be2 Bd5–+) 22...Qh4 23.Be2 f4 24.Nce4 (better is 24.Bf8 Nf8 25.Bg4+– (worse is 25.Qb6 Bh6+–; 25.Nd5?! f3 26.gf3 Qg5 27.Kh2 Bd5 28.Qb6 Nf6+–)) 24...f3?? (24...fe3 25.Bg4 Bf7 26.Bd7 ed2 27.Nd2 Ra6 28.Bf8 Bf8 29.Be8 Be8 30.Qd5 Bf7+–) 25.Nf3+– (25.Bf8 fe2 26.Rfe1 Nf8=) 25...Qe4 26.Bd3 (26.Bd3 Qf3 27.gf3 Rf3 28.Rc6+–) 1–0. Pham,Xuan Dat (2215) – Nguyen,Huynh Tuan Hai (1850), Ho Chi Minh VIE, Men Ch, 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Be6 8.c5 Nbd7)

9.Be2 Bg4 10.0-0 Ne4 11.h3 Bf5 12.Ne4 Be4 13.Ng5=.

9.Be2 Bg4 10.0-0 Bf3 11.Bf3+= e5 12.de5 (better is 12.Re1!?+=) 12...Ne5+= 13.Be2 Qe7 (13...Nc4 14.Bc4 dc4 15.Qf3+=) 14.Qc2 Rfe8 15.a3 (15.Rfc1 Nfd7+=) 15...b5 16.cb6 ab6 17.b5 (17.Rfd1 Nc4 18.Bc4 dc4+=) 17...c5 18.Rad1 Rad8 Black intends d4 19.Rfe1 (19.h3 Qe6+=) 19...d4 (19...Qe6 20.h3+=) 20.ed4 cd4 21.Na2 Nd5 22.Bf1? (22.Qd2 Qh4 23.g3 Qe4–/+) 22...Qh4 (22...Qg5!? 23.Qb3 Ne3 24.fe3 Nf3 25.Kh1 Ne1 26.Re1 Re3 27.Re3 Qe3–+) 23.Nb4+= Qg5 24.Kh1? (better is 24.Qb3 Ne3 25.fe3 Nf3 26.Kh1 Ne1 27.Re1 Re3 28.Nd3+=) 24...Ng4?? (better is 24...Nb4 25.ab4 d3–+) 25.Re8= Re8 26.h3 (26.Bd4?? Bd4 27.Rd4 Re1–+) 26...Qh4 27.g3 Qh5 28.Kg1 (28.Nd5 Qd5 29.Kg1 Ne5=) 28...Nge3+= 29.fe3 Ne3 30.Re1 Qg5 (better is 30...Nc2 31.Re8 Bf8 32.Nc2 d3 33.Bd3 Qf3+=) 31.Qf2 Be5 32.h4 Qg4 33.Re3 de3 34.Qe3 Qg3 (34...Qe6 35.Be5 Qe5 36.Qe5 Re5 37.a4+–) 35.Qg3 Bg3 36.Bd4 Bd6 (36...Re4!? 37.Bb6 Rh4+–) 37.Bb6+– Ra8 (37...Re1+–) 38.Na6 Ba3 (38...Re8+–) 39.Bc7 Bb2 40.b6 (40.Kh2 Bd4 41.b6 Bb6 42.Bb6 Rc8+–) 40...Bd4 41.Kg2 Bb6 (41...Re8 42.b7 Ba7 43.Nb4+–) 42.Bb6 f6 (42...Re8 43.Kg3+–) 43.Bd4 (43.Bc4 Kg7 44.Bd4 Rc8+–) 43...Kg7 (43...Kf7 44.Bc4 Ke7 45.Bc5 Kd7 46.Bb5 Kc8 47.Bd4+–) 44.Kf3 (44.Bc4 Rc8 45.Bd5 h6+–) 44...Re8 (44...Rc8 45.Nc5 Kf7 46.Ne4+–) 45.Nc5 Re1 (45...Rc8 46.Ne4+–) 46.Kf2 Re7 (46...Rb1 47.Bc4 Rc1 48.Bd5+–) 47.Bh3 1–0. Abelgas,Roe (2290) – Tran,Minh Thang (2395), PSC/Puregold Open, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6 8.c5 Nbd7)

9.h3 a5 10.a3 Ne4 11.Bd3 Bf5 12.Qc2 ab4 13.ab4 (worse is 13.Ne4 de4 (13...Be4?! 14.ab4 Ra1 15.Ba1+=) 14.Be4 b3–+) 13...Ra1 14.Ba1 Nc3 15.Bf5 gf5 16.Bc3 e6 17.0-0 Nf6 18.Ra1 Ne4 19.Bb2 Qb8 20.Ne5 Be5 21.de5 Kh8 22.Bd4 Rg8 23.Qe2 Qf8 24.Kh2 Qg7 25.Rg1 Ra8 26.g3 Qh6 27.f3 Qh5 (27...Ng5 28.h4 Qh5 29.Rf1=) 28.h4 (28.g4!? fg4 29.Rg4+/–) 28...Ng5 29.Rf1 h6 30.Kg2 Nh7 31.Kf2 Rg8 32.Ra1 Nf8 33.Qf1 Nd7 34.Qh3 (34.Ra7 Qg6 35.Qg1 f4 36.ef4 Qc2 37.Kf1 Qc1 38.Kg2 Qf4=) 34...Qg6= 35.h5 Qg7 36.f4 (36.Ra7!? Rb8 37.Qh4+=) 36...Qf8= 37.Qf1 Qg7 38.Qh3 Qf8 39.Qh4 Rg4 40.Qh1 Rg8 41.Ra7 Qb8 42.Qa1 Qc8 43.Qh1 ½–½. Malakhatko,Vadim (2525) – Konguvel,Ponnuswamy (2315), Latschach AUT, 2013. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6)

9.h3 a5 10.b5 Ne4 11.Rc1 a4 12.b6 a3 13.Ba1 Bf5 14.Ne4 de4 15.Nd2 e5 16.Nc4 ed4 17.ed4 (17.Bd4 Be6=) 17...Nf6 18.Ne3 Be6 19.Bc4 Bc4 20.Rc4 Nd5 21.0-0 f5 22.Ra4 Ra4 23.Qa4 f4 24.Nd5 Qd5 25.Qa3 Bd4 26.Bd4 Qd4 27.Qb3 Kg7 28.Rd1 Qc5 29.Rd7 Kh6 30.Qb2 e3 31.h4 (31.Rb7 Rd8 32.Qa1 ef2 33.Kh2 Qd4–+) 31...ef2 32.Qf2 Qe5 (better is 32...Qc1!? 33.Kh2 Qe3=) 33.g4= f3 34.g5 (34.Rb7!? g5 35.hg5 Kg6 36.Rc7+=) 34...Kh5+= 35.Rh7 Kg4 36.Rd7 Qg3 37.Kf1 Re8 (37...Qh4 38.Rd4 Rf4 39.Rf4 Kf4 40.Qh4 Ke3 41.Qh7+–; 37...Kh4?! 38.Rb7 Kg4 39.Rh7+=) 38.Rd4 Kh3 39.Rd3 (better is 39.Rd2–+) 39...Re2 40.Qe2 (40.Qe2 fe2 41.Ke2 Qd3 42.Kd3 Kh4 43.a4 Kg5 44.a5+–) 1–0. Posedaru,B (2350) – Brookes,C (2055), SPA Open A Amsterdam NED, 2011. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Be6 8.c5 Nbd7)

9.h3 a5 10.b5 Ne4 11.Qc2 a4 (11...Bf5 12.Qb3=) 12.Rc1 (12.bc6 bc6 13.Ne4 de4+=) 12...f5 (12...Bf5 13.Bd3 (13.Na4?? Ng3 14.Qb3 Nh1–+) 13...Qa5 A) worse is 14.Be4 Be4 (14...de4?! 15.Nh4=) 15.Qd2 Bf3 16.gf3 e5–/+; B) 14.bc6 bc6 15.0-0+=) 13.Be2 a3 (13...cb5 14.Bb5 a3 15.Ba1+=) 14.Ba1 Bf7 (14...Nc3 15.Qc3 Nf6 16.Qd3+=) 15.Ne4 (15.0-0!?+=) 15...fe4= 16.Ng5 (16.Nd2 e5=) 16...e5 17.Nf7 Rf7 18.Bg4 (18.0-0 Qh4=) 18...ed4+= (worse is 18...cb5 19.Be6 Qa5 20.Kd1 ed4 21.Bd4 (21.Bf7?! Kf7 22.ed4 Qa4=) 21...Bd4 22.ed4+=) 19.Bd4 Qa5 20.Qd2 Qd2 (worse is 20...cb5 21.Qa5 Ra5 22.Be6+/–) 21.Kd2 Nf8 22.Bg7 Kg7 23.f4 ef3 24.Bf3 Ra4 25.bc6 bc6+= 26.Rc3 Ne6 27.Rb1 Kf6 28.Rbb3 Ke5+= 29.Ra3 Rfa7 30.Ra4 Ra4 31.Rc2 Ra5 32.Kc1 Nc5 33.Kb2 Nd3–/+ 34.Kc3 Ra3–+ 35.Kd2 c5 36.Rc3–/+ Ra2 37.Rc2?? Rc2–+ 38.Kc2 Ne1 39.Kc3 d4 40.ed4 cd4 (40...cd4 41.Kd2 Nf3 42.Kd1 Kf4–+) 0–1. Strating,S (2340) – Sokolov,I (2655), Lost Boys Open, Amsterdam NED, 2001.

9.h3 b6 10.Bd3=.

8.Qb3 Be6 9.Rc1=.

8.Qb3 Bf5 9.a4 (9.Be2 Qd6=) 9...Be4 (9...Qd6 10.Be2=) 10.Ne4+= Ne4 (10...de4 11.Ne5+=) 11.Bd3 dc4 (11...e6 12.0-0+=) 12.Qc4 Nd6 13.Qb3 Nd7 14.Ne5 e6 (14...a5 15.0-0+=) 15.0-0+/– Ne5 16.de5 Nf5 17.Be4 (17.Rad1 Qg5+/–) 17...Qc7 (17...Qh4 18.Qc2+=) 18.f4 (18.Qc3 Qe7+=) 18...Rac8 (18...Rad8 19.Rad1+=) 19.g4 Ne7 20.Bd4 b6 (20...Nd5 21.a5+= (< 21.Ba7 b6–/+)) 21.Rfc1 Qb8 22.a5+/– Nd5 23.ab6 ab6+= 24.Ra6 Bf8 25.Rc2 c5 26.bc5+/– bc5 27.Bd5 cd4= 28.Rb6 Qa7 29.Bc6 Red8 30.Ra2 Qe7 31.e4 d3 32.Rf2?? Qc5 33.Bb7 d2 34.Qd1 Qb6 35.Bc8 Bc5 (36.Kh1 Bf2–+) 0–1. Nuessel,Georg (2145) – Caspers,Christian (2035), Bayernliga, 2005.

8.Bd3 a5 9.b5 cb5 10.Nb5 Nc6+=.

8.cd5 Nd5 9.Nd5 cd5 10.Be2 Bf5 11.0-0 a6 12.Bd3 Bd3 13.Qd3 Nc6 14.a3 Rc8 15.b5 ab5 16.Qb5 Na5 17.Rfc1 Nc4 18.Bc3 (18.Qb7?? Rb8 19.Qc6 Rb2–+) 18...b6 19.Nd2 e6 20.Nc4 Rc4 21.Bb4 Qc7?? (better is 21...Rc8+=) 22.Rc4 (22.Qe8 Bf8 23.Qf8) 22...dc4 (22...Qb8 23.Bd6! Qa8+–) 23.Bc3 (23.Qe8 Bf8 24.Qf8) 23...Ra8 24.a4 Bf6 ½–½. eddiet (2420) – naruto (2465), net–chess.com, 2015. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Re8)

8.Be2 Nbd7 9.0-0 dc4 (9...Nb6 10.cd5 Nbd5 11.b5=) 10.Bc4 Nb6 11.Bb3 (11.Bd3 Nbd5=) 11...Nbd5 12.Ne5 Be6 13.b5 (13.Nd5!? Bd5 14.Qd3=) 13...Nc3+= 14.Bc3 Nd5 (14...cb5!? 15.Qd3 Bb3 16.ab3 a6+=) 15.Bb2= cb5 (15...Be5 16.de5 cb5 17.Qf3=) 16.e4 Nc7 (16...Nb6!? 17.d5 Bd7=) 17.d5+/– Bc8 18.Rc1 Qd6 (18...Rf8 19.Qd3+/–) 19.f4 (19.Nf7!? Kf7 20.Qf3 Kg8 21.Bg7 Kg7 22.Qc3 Kh6 23.e5+–) 19...Bd7+= 20.Bd4 (20.Qd2 Rec8+=) 20...Na6 21.Nf3 (21.Nd7 Bd4 22.Qd4 Qd7+/–) 21...Qf4= 22.Bg7 (22.Ne5 Qe4 23.Re1+=) 22...Kg7+= 23.Qd4 f6 24.g3 Qd6 25.e5 Qb6 ½–½. Ruff,Robert – Yi,Danny, WAArttemberg Candidates, 2016. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Re8 7.Nf3 c6)

8.Be2 Nbd7 9.Qb3 Nb6 10.c5 Nbd7 11.0-0 e5 12.de5 Ng4 (12...Ne5 13.Nd4=) 13.e6+= fe6 14.Nd4 (14.Na4 Qc7=) 14...Ngf6 15.Nf3 Qc7 (15...Qe7 16.Rad1=) 16.h3 (16.Qc2 Rf8=) 16...Nf8 (16...b6 17.Ba3=) 17.Bd3 (17.Rac1 N8d7+=) 17...Kh8 18.e4 Nh5 19.Ne2 Nf4 (better is 19...Bb2 20.Qb2 e5 21.ed5 cd5+=) 20.Bg7+– Kg7 21.Nf4 Qf4 22.Qc3 (22.Rfe1 Qf7+/–) 22...Kg8 (22...e5 23.ed5 cd5 24.Bb5+=) 23.Qe5 (better is 23.Rfe1+/–) 23...Qe5= 24.Ne5 Nd7 25.Nd7 Bd7 26.Rfe1 Rf8 27.ed5 ed5 28.Re7 Rad8 29.Rae1 Rfe8 30.Re8 Re8 31.Kf1 Kf7 32.Re8 Be8 33.Ke2 Ke6 34.f4 Bd7 35.g4 Kf6 36.Kf3 h5 37.gh5 gh5= 38.Kg3 Bf5 39.Be2 Bg6 40.Kh4? d4–+ 41.Kg3 Bc2 42.Bh5 d3 43.Kf2 d2 44.Ke3 d1Q 45.Bd1 Bd1 46.h4 Kf5 47.Kd2 Bg4 48.a4 a6 49.Ke3 Bh5 50.a5 Bg4 0–1. Quijano,Luis – Nana,Gabriel, Pan American–ch U12, 2001. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 Re8 7.Bb2 c6)

8.Be2 Nbd7 9.cd5 Nd5 10.Nd5 cd5=.

8.Be2 Bg4 9.Qb3 e6 10.0-0 Nbd7 11.a4 Ne4 12.Qd1 Qe7 13.c5 e5 14.Ne4 de4 15.Nd2 Be2 16.Qe2 f5 17.Qc4 Kh8 18.d5 cd5 19.Qd5 Nf6 20.Qc4 Red8 21.Rfd1 Rd3 22.b5 Rad8 23.Bc1 f4 24.Ra3 fe3 25.fe3 Qd7 26.c6 bc6 27.bc6 Qd6 28.Rd3 ed3 29.Ne4 Ne4 30.Qe4 Kg8 31.Kf1 Bf6 32.Qc4 Kg7 33.c7 Rc8 34.Qd3 Qd3 35.Rd3 Rc7 36.Bb2 Rb7 37.Ba3 a6 38.Ke2 Kf7 39.a5 Be7 40.Be7 Ke7 41.Rd5 Ke6 42.e4 Rb2 43.Kf3 Rb3 44.Ke2 h5 45.Rc5 Kd6 46.Rd5 Ke6 47.Rc5 ½–½. Figiel – Zabicki, Slupsk, 2000.

8.Ne5 Nbd7 9.f4 Nb6 10.c5= Nbd7 11.Be2 Ne5 12.de5 Nd7 13.Qc2 e6 14.h4 f5 15.g4 b6 16.h5+= bc5 17.bc5 Nc5 18.hg6 hg6 19.0-0-0 Ne4 20.gf5+/– ef5 21.Rdg1 Re6?? 22.Ne4+– de4?? 23.Bc4 Qb6 24.Rg6 c5 25.Rg7! Kg7 26.Qg2 Rg6 27.e6 (27.e6 Kf8 28.Qg6 Qb2 29.Kb2 Rb8 30.Kc3 Ke7 31.Rh7 Kd6 32.e7 Kc7 33.e8Q Bd7 34.Qd7) 1–0. Madsen,PH (2075) – Skydsgaard,Sune, 4th Xtracon Skovbo, Borup DEN, 2009. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 c6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Re8)

8.a4 Qd6 9.c5 Qe6 10.Be2=.

8.a4 Nbd7 9.Be2 dc4 10.0-0 (10.Bc4 Nb6 11.Bd3 Bd3 12.Qd3 Nbd5=) 10...Nb6 (10...Nd5 11.Bc4 Nb4 12.Qb3+=) 11.Ne5 (11.a5 Nbd5=) 11...Nfd5 (11...Qd6 12.b5 cb5 13.Nb5+=) 12.Nc4 (12.a5 Nc3 13.Bc3 Nd5=) 12...Nb4 13.Na5 (13.Nb6 ab6 14.Qb3 c5+=) 13...Rb8 (13...Qc7 14.e4 Nd7 15.Nc6 bc6 16.ef5 gf5 17.Qd2+=) 14.Qd2 (14.Qb3 N6d5 15.Nd5 Nd5+=) 14...N4d5 (14...e5 15.Nb3–/+) 15.Nd5 (15.Nb3 Qd6–/+) 15...Nd5 (15...cd5 16.Rfc1–/+) 16.Rfc1 Nf6 (16...Qd7 17.Nc4–/+) 17.Ba3 (17.Nc4 Ne4 18.Qa5 Qa5 19.Na5 Rfd8–/+) 17...Ne4–/+ 18.Qe1 Re8 19.f3 Nd6 20.Bc5 Bd7 21.Rab1 b6–/+ 22.Bd6 ed6 23.Nc6 Bc6 24.Rc6 Re3 25.Qd1 Qe7 26.Bf1 Re8 27.Rbc1 Re1 28.Qe1?? Qe1 29.Re1 Bd4 (29...Bd4 30.Re3 Re3 (30...Be3?! 31.Kh1–+) 31.Rd6 Bc5–+; 29...Re1?! 30.Rd6 Ra1 31.Rd8 Bf8 32.Kf2 Ra4 33.Bb5 Ra2 34.Kg3+=) 0–1. Lehr,Thomas – Hass,Manfred, Schleswig Holstein–ch qaul cand, 1998.

8.a4 Ne4 9.Be2 Re8 10.cd5 cd5 11.Qb3 Nc3 12.Bc3 Nc6 13.b5 Nb8 14.0-0 Be6 15.Ne5?? (15.Rfc1 Bf5+=) 15...Nd7?? (15...Be5 16.de5 d4 17.Bc4 Bc4 18.Qc4 dc3 19.e6–+) 16.Rfc1?? (better is 16.Nd3=) 16...Ne5–+ 17.de5 d4 (17...d4 18.Qc2 dc3 19.Qc3 Rc8–+) 0–1. graczmarny (1800) – jacekmpl (1860), kurnik, 2011.

8.Qb3 a5 9.b5 a4 10.Na4 cb5 11.cb5 (11.Qb5? Bd7 12.Qb7 Ra4–+) 11...Qa5 12.Nc3+=.

8.Qb3 a5 9.b5 a4 10.Qb4 Re8 11.Na4 cb5 12.cb5 (worse is 12.Qb5 Bd7 13.Qb7 Ra4–+) 12...Nbd7 13.Be2 Ne4 14.0-0 e5 15.Rfc1 Bg4 16.Rc2 Bf5 17.Rcc1 Bg4 18.de5 Ne5 19.Be5 Re5 (19...Be5 20.Ne5 Be2 21.Nc3 Nc3 22.Qc3+=) 20.Nb2 (better is 20.Ne5 Be2 21.f4+–) 20...Qf6 21.Rc2 (21.Ne5 Qf2 22.Kh1 Be2–+) 21...Ree8 22.Rac1 Ra2 23.Nd1 Rea8 24.h3 Bd7 25.Qb3 Rc2 26.Rc2 Qd6 27.Ra2 Rc8 28.Nd4 Bd4 29.ed4 Rc1 30.Bf1 Qb6 31.Qd5 Rd1 32.Qe4? (better is 32.Qd7!? Nd2 33.Rd2 Rd2 34.Bc4–+) 32...Bb5–+ (32...Rd4? 33.Ra8 Kg7 34.Qe5 Kh6 35.Rg8+–) 33.Ra8 Kg7 34.Qe5 f6 35.Qe7 Kh6 36.Rd8 Rf1 (36...Bf1 37.Qf8 Kg5 38.Rd5 Kf4 39.Rd6 Ba6 40.Kh2 Qd4 41.Rd4 Rd4 42.Qe7+– (42.Qf6?! Ke4+–)) 37.Kh2 Qc6 (37...Bc6 38.Rd6 Qb5=) 38.Rh8= ½–½. Hildebrand,Gerald – Dietl,Lothar, Germany Cht 2BK Gr10 bd3, 1995. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Bf5)

8.Qb3 a5 9.b5 dc4 10.Bc4 cb5 11.Qb5 Nbd7 12.0-0 (12.Qb7? Rb8 13.Qc6 Rb2–+) 12...Ne4 (12...Nb6!?+=) 13.Ne4+/– (13.Qb7? Rb8 14.Qc6 Rb6 15.Bf7 Rf7–+) 13...Be4 14.Ng5 Bc6 15.Qb3 e6 16.Ne6! fe6 17.Be6 Kh8 18.d5 Ne5 19.f4 a4 20.Qb4 Bd5 21.Rad1 Be6 22.Rd8 Rfd8 23.fe5 b5 24.a3 Rab8 25.Bd4 Kg8 26.Ba7 Rbc8 27.Bb6 Re8 28.Qb5 Bc4 29.Qa4 Bf1 30.Kf1 Re5 31.Qb3 Kh8 32.a4 h5 33.a5 Rc1 34.Ke2 Ra1 35.Qf7 Kh7 36.h4 Raa5 37.Ba5 Ra5 38.e4 Kh6 39.Qc7 Re5 40.Kf3 Bf6 41.Qf7 Bg7 42.Qb3 Bf6 43.Qg8 Bg7 44.Qd8 Kh7 45.Kf4 Kh6 46.g3 Rb5 47.Qd6 Ra5 48.Kf3 Re5 49.Ke3 Ra5 50.Qb6 Re5 ½–½. Ruhle,Ernst_Olaf – Korchut,Adam, corr ICCF TT, 2002.

8.Qb3 a5 9.b5 Nbd7 10.cd5+= cd5 (10...a4 11.Na4 cd5 12.Be2+/–) 11.Be2 (11.Nd5!? Be6 12.Nf6 Nf6 13.Qa4+/–) 11...Nb6= 12.0-0 Rc8 13.Rfc1 Qd7 (13...Rc7 14.Ba3+=) 14.Ne5 Qe6 15.Ba3 (15.Na4 Nbd7+=) 15...Nc4 16.Nc4 dc4 17.Qa4 b6 18.Bf3 (18.Nb1 Bd3 19.Bd3 cd3=) 18...Bd3 (18...Rfd8 19.Bb2=) 19.Bc6 Rc7 (19...Rfd8 20.Qd1=) 20.Qd1 Rd8 (20...h6 21.Qf3+=) 21.Qf3+= Qf5 (21...h6 22.Rd1=) 22.Na4 (22.Qf5 gf5 23.Na4 f4 24.Nb6 fe3 25.fe3 Ng4 26.Nc4 Bc4 27.Rc4 Ne3+=) 22...Qf3 23.gf3 (23.Bf3 e5 24.de5 Nd7+/–) 23...Nd5= 24.Nb2 Be2 (better is 24...e5!? 25.Bd5 Rd5 26.Nd3 ed4 27.ed4 Rb5=) 25.Nc4+/– Bf3? (better is 25...h6!?+/–) 26.Nb6!+– Nb6 27.Bf3 Nc4? (27...Rdc8+–) 28.b6! (28.b6 Rcc8 29.b7+–) 1–0. Dobrov,Vladimir (2535) – Zelic,Mladen (2295), 3. Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Nc3 d5 7.d4 Bf5)

8.Qb3 a6 9.Be2=.

8.Qb3 Qb6 9.Be2 Na6 10.a3 Rfd8 11.0-0+=.

8.Qb3 Qb6 9.Be2 dc4 10.Bc4 Nbd7 (10...Na6 11.b5 cb5 12.Qb5 Qb5 13.Nb5=) 11.Ng5 (11.0-0 Rad8+=) 11...e6= 12.e4 (12.0-0=) 12...Bh6 (better is 12...Bg4!?=) 13.Nf7!+/– Kf7 (13...Rf7 14.ef5) 14.ef5 gf5 15.Be6 Ke7 (15...Kg7 16.0-0+–) 16.Bf5 Kd8 (16...Rae8 17.0-0+–) 17.0-0 Bd2 18.Bd7 (18.Rad1 Bc3 19.Bc3 Nd5 20.Bh7 a5+–) 18...Bc3 19.Bc3 Kd7 20.b5 (20.Rae1 Nd5+–) 20...cb5 (20...Qb5 21.Bb4 Rfe8 22.Qf7 Kc8 23.Bd6+– (23.Qf6?! Qb4 24.Rab1 Qf8 25.Qf8 Rf8+/–)) 21.Bb4 a5? 22.Bf8 Rf8 23.Rfe1 a4 24.Qh3 Kd8 25.Rac1 Nd7 26.Qh7 Qd6 27.Qe4 Rh8 28.g3 b4 29.Qb7 Qb8 30.Qe4 Qd6 31.Rc6 Qc6 32.Qc6 Rh5 33.Qa8 Kc7 34.Re6 (34...Rc5 35.dc5+–) 1–0. Kuni,Richard – Jonsson,Gudbrandur, TT–07 TSC, 2003.

8.Qb3 Qd6 9.b5=.

8.Qb3 Nbd7 9.cd5 cd5 10.Be2 Nb6 11.0-0 Rc8 12.Rac1 Bg4 13.h3 Bf3 14.Bf3 The pressure on d5 grows 14...e6 15.Rc2 Ne8 (15...Re8 16.Rfc1+=) 16.b5 Nd6 17.Ba3 Nbc4 18.Bd6 (18.Bc5 b6 19.Bb4 Re8+=) 18...Qd6= 19.Rfc1 (19.Be2 f5=) 19...Rc7 (19...Na3 20.Ne4 Rc2 21.Nd6 Rc1 22.Kh2+=) 20.Nb1 (20.Be2 Rfc8=) 20...Rfc8= 21.Be2 e5 22.de5 Be5 23.Bf3 (23.Bc4 Rc4 24.Nd2 Rc2 25.Rc2 Rc2 26.Qc2 Qb4=) 23...Kg7 24.Rd1 Ne3 (24...Rc5 25.e4=) 25.Rc7= Bh2 26.Kh1 Nd1 27.Rc2 Re8 28.g3 Bg3 29.Bd1 (29.fg3?? Qg3 30.Be4 Qb3 31.ab3 Re4–+) 29...Re1 30.Kg2 Rd1 31.fg3 Qe5 32.Na3?? (better is 32.Qb2 d4 33.Nc3 dc3 34.Qc3 Qc3 35.Rc3 Rd2 36.Kf3 Ra2 37.Rc7–+) 32...Qe4–+ 33.Kf2 Qe1 34.Kg2 (34.Kf3 Qf1 35.Rf2 Rd3 36.Qd3 Qd3 37.Kg2 Qa3 38.g4–+) 34...Qf1 (34...Qf1 35.Kh2 Qg1) 0–1. Abelgas,Roe (2315) – Belous,V (2570), Philippine Int Open, 2015. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Bf5 7.Bb2 c6)

8.Qb3 Ne4 9.cd5+= cd5 10.Qd5 (worse is 10.Nd5 Be6 11.Bc4 b5 12.Nf6 Nf6 13.Be6 fe6 14.Qe6 Kh8–+) 10...Nd6 11.Qb3 a5 12.b5 Be6 13.d5 a4 14.Qa3 Bg4 15.Nd2 Qa5 16.f3 Rc8 17.Rc1 (17.fg4 Bc3 18.Be2 Bd2 19.Kf2 Nd7–+) 17...Bd7 18.Bd3 (18.Kf2!? Bb5 19.Nde4 Ne4 20.fe4=) 18...Nb5= 19.Bb5 Bb5 20.Kf2 Na6 21.Nce4? (21.Nb3 Qb6 A) 22.Nb5? A1) 22...Qb5?! 23.Bg7 Kg7 24.Nd4 Qd5 25.Qe7+= (25.Qa4 Nc5 26.Qd1 Ra2 27.Rc2 Nd3 28.Kg1 Rcc2 29.Nc2 Qc4–+); A2) worse is 22...ab3 23.Bg7 (23.Qb3?? Nc5 24.Rc5 Rc5–+) 23...Nc5 24.Rc5 Qc5 25.Qb3 Kg7 26.Kg3–+; A3) 22...Bb2 23.Qb2 Qb5–+; B) 22.Nd4–/+) 21...Bb2–+ 22.Qb2 Nb4 23.Kg3 Nd3?? 24.Rc8+= Rc8 25.Qd4 f5 26.d6 fe4 27.Ne4 Ba6 28.de7 Qc7 29.Nd6 Re8 30.Qd5 Kh8 31.Rc1 Qe7+= 32.Ne8?? Nc1–+ 33.Qd4 Kg8 34.Nf6 Kf7 35.Qd5 Kf6 0–1. Kiedrowicz,Jan (2300) – Kaukiel,Piotr (2190), Ogolnopolski Turniej Niepelnosprawnych, 2011. (=1.c4 Nf6 2.Nc3 d5 3.d4 g6 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

8.Qb3 e6 9.Be2 (9.Nh4 Be4=) 9...Nbd7 10.0-0 Ne4 11.b5 (11.cd5 ed5 12.b5 a6=) 11...Qa5 (11...Ndf6 12.Rfc1=) 12.cd5+= cd5 (12...ed5 13.Rac1+=) 13.Ne4 Be4 (13...de4 14.Nh4 Qd2 15.Rae1+=) 14.Bc3 Qd8 (14...Qb6 15.Nd2+/–) 15.Rac1 g5 (15...Bf5 16.Qa3+/–) 16.Qa3+/– Re8 17.Ba5 (17.Bb4 h6+/–) 17...b6 (17...Bf8 A) worse is 18.Bd8 Ba3 19.Rc3 Bf3 (worse is 19...Rad8 20.Ra3 Bf3 21.gf3+/–; worse is 19...Red8 20.Ra3 Bf3 21.Bf3=) 20.gf3 Bb4= (worse is 20...Rad8 21.Ra3 Ra8 22.Rc1+/–); B) 18.Qf8 Nf8 19.Bd8 Bf3 20.Bf3 Rad8 21.Rc7+/–) 18.Bb4 e5 19.Rfd1 g4 20.Ne5 Ne5 21.de5 Qh4 22.g3 (22.Be1 Bg2 (22...Be5?? 23.f4 Qf6 24.fe5 Qe5 25.Bg3+–) 23.Rd4 h5=) 22...Qh5 23.Bd6 (23.Bc3 Bf3 24.Bf3 gf3+/–) 23...Be5 24.Rc7?? (better is 24.h4+=) 24...Re6–+ 25.Be5 (25.h4 Bd6 26.Qc3 Bc7 27.Qc7–+) 25...Qh2!! (25...Qh2 26.Kh2 Rh6 27.Kg1 Rh1) 0–1. Melich,Jindrich (2160) – Vacek,Radomir (2220), CZE–chT1b, 1997.

8.Qb3 h6 9.a4 g5 10.Be2+= e6 11.0-0 Nbd7 12.Rac1 Kh8 13.Rfd1 Rg8 14.b5 Nh7 15.Ne5 Ne5+= 16.de5 Qb8 17.cd5 cd5 18.f4 gf4 19.ef4 Qd8 20.Kh1 Qb6 21.Na2 Qf2 22.Qf3 Qh4 23.Qg3 Qd8 24.Qe3+/– Bf8 25.Bd4 Qa5 26.Qb3 Be7 27.Bd3 Bd3 28.Rd3 Rac8 29.Rdc3 Rc3 30.Rc3 f6 31.Nc1 f5 32.Nd3+/– Nf8 33.Qc2 Bd8 34.Bc5 Nd7+= 35.Bb4 Qb6 36.Nc5 Nf8?? 37.Qe2?? a5+/– 38.Ba3 Qc7 39.Qh5+– Kh7 40.Ne4 Qg7 41.Rg3 Ng6 42.Nc5 Bh4?? 43.Ne6+– Qf7 44.Bf8!! Rf8 45.Rg6 (45.Rg6 Qg6 46.Nf8 Kh8 47.Qg6 Be7 48.Qh7#) 1–0. Miles,Anthony J – Dietze,Frank, Lugano Switzerland, 1986. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

8.Qb3 h6 9.Rc1 g5 10.h3 Be6 11.c5 Bf5 12.Ne5 Nbd7 13.g4 Bh7 14.f4 Be4 15.Rh2 e6 16.Rf2 Bh7 17.Bg2 Ne5 18.de5 Nd7 19.Ne2 f6 20.Nd4 Qe7 (worse is 20...fe5 21.Ne6 Qe7 22.Nf8 Rf8 23.f5+–) 21.ef6 Bf6 (21...Qf6 22.Nf5 e5 23.Ng7 Kg7 24.b5+=) 22.Re2 Rae8 23.Kd2 Qg7 24.fg5 hg5 25.Rf1 Ne5 26.Bc3 (26.Ref2 Nd3 27.Re2 b6 28.cb6 ab6–/+) 26...Nc4 27.Kc1 Be5 28.Rd1 Rf7 29.e4 Rf4 30.Kc2 Qg6 31.Nf3?? (better is 31.Qa4+=) 31...Re4–+ 32.Re4 (32.Kc1 Re2 33.Ne5 Qc2 34.Qc2 Rc2 35.Kb1 Rc3 36.Ka1 Ne5 37.Bf1–+) 32...Qe4 33.Kc1 Bf4 (better is 33...Qe3 34.Rd2 Bc3–+) 34.Bd2 Nd2 35.Rd2 Qe2 0–1. Hodzic,Nihad (2255) – Jelecevic,Ivo (2235), Zupanja op–B 2nd, 2008. (=1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Bf5)

8.Qb3 h6 9.Be2=.

8.b5 Qa5 9.Qa4 Qa4 10.Na4 cb5 11.cb5 Nbd7 12.Nc5 b6 13.Nd3 Bd3 (13...Rac8 14.Nb4=) 14.Bd3+= Rfc8 15.Ke2 Rc7 16.Rhc1 Rac8 17.Rc7 Rc7 18.a4 Ne4 19.Ne1 Ndc5 20.Rc1 (worse is 20.dc5 Bb2 21.Be4 Ba1 22.cb6 ab6 23.Bd5 Rc3–/+) 20...Ne6 (20...Nd3!? 21.Nd3 Rc4 22.Rc4 dc4+=) 21.Rc7 Nc7 22.Ba3 (22.Nc2 Kf8+/–) 22...Bf8 23.Bb4 e6 24.Bf8 Kf8 25.Be4 de4 ½–½. Romero,Francisco Javier – Suarez Montousse,Andres, Pryca Gijon op–A, 1994. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.d4 d5 6.c4 Bf5 7.Nc3 c6)

8.Rc1 Ne4 9.cd5 Nc3 10.Bc3 cd5 (10...Qd5 11.Qb3=) 11.Qb3 (11.h4 Nc6=) 11...e6 (11...Nc6 12.Be2=) 12.Be2 Nd7 13.0-0 g5 (13...Rc8 14.b5+=) 14.b5 g4 15.Ne5 Ne5 16.de5 Qg5 17.Bd4 Be4 18.Qb2 (18.Rc7 Be5 19.Be5 Qe5 20.Rb7 Rfd8+=) 18...Rfc8 (18...Rac8 19.Qa3 Be5 20.Be5 Qe5 21.Bg4=) 19.Rc3+= h5 20.Rfc1 Rf8 21.Rc7 b6 22.a4 (22.g3 h4+=) 22...h4 23.Bf1 (23.g3 h3+=) 23...g3 (23...h3 24.Rd7=) 24.h3 (24.f3 gh2 25.Kh2 Qg3 26.Kh1 Bf5+=) 24...gf2= 25.Qf2 Be5 (better is 25...f6!? 26.Qf4 Qf4 27.ef4 fe5 28.fe5 Rf4=) 26.Be5+= Qe5 27.Qh4 Bg6 28.Qd4 Qg5 29.h4 Qg3 30.R1c3 e5 31.Qd5 Rad8 32.Qf3 Qh4 33.R3c4 e4 34.Qf2 Qg5 35.Ra7 Rd5 36.Rac7 Rf5 37.Qe1 Qh6 (37...Kg7 38.Rc8 (38.Re4? Rf1 39.Qf1 Be4–+) 38...Rc8 39.Rc8+/–) 38.R7c6+/– (38.Re4 Rf1 39.Kf1 Be4 40.Qg3 Qg7–+) 38...Rh5 39.Qg3 (39.Rb6?? Rh1 40.Kf2 Qh4 41.Ke2 Bh5 42.Kd2 Qd8 43.Kc2 Qb6–+) 39...Rh1 40.Kf2 Qh5? (better is 40...Rd8!? 41.Be2 Qg7+/–) 41.Be2+– (41.Rb6 Qd1 42.Qg5 Qf1 43.Kg3 Qe1 44.Kf4 Rh5 45.Qh5 Bh5–+) 41...Qd5 (41...Qf5 42.Qf4 Rb8 43.Bg4 Qf4 44.ef4+–) 42.Rd4 Qb3 (42...Qa2 43.Re4 Rd1 44.Rf4+– (44.Rb6?! Rd2=)) 43.Qf4 (better is 43.Re4 Ra1 44.Rf4+–) 43...Qb1?? (better is 43...Kh7 44.Re4 Qb1 45.Rg6 Kg6 (45...fg6?? 46.Re7 Rf7 47.Qf7 Kh6 48.Qf8 Kg5 49.Qf4) 46.Qd6 Kh7+–) 44.Rg6 Kh7 45.Rd1! fg6 46.Rd7 1–0. Zilberman,Y (2390) – Zanan,E (2295), TCh–ISR, 2015. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

8.c5 Nbd7 9.Nh4 Bg4 10.f3 Be6 11.Bd3 b6 12.g4 a5 13.a3 ab4 14.ab4 bc5 15.bc5 Rb8 16.Na4 h5 17.g5 Nh7 18.f4 Bg4 19.Qd2 e5 20.h3 Be6 21.Ng2 ef4+= 22.ef4 Rb3 23.Bc3 Re8 24.Kd1 Qc7 25.Kc2 Reb8 26.h4 Bg4–/+ 27.Rhf1 Nhf8 28.f5 gf5 29.Bf5 Bf5–+ 30.Rf5 Ne6 31.Nf4?? Rc3! 32.Kc3 Qa5 33.Kd3 Rb3 34.Nc3 Qa1 35.g6 Ndc5! 36.dc5 Qb1 (36...Qb1 37.Ke2 Qf5 (37...Bc3?! 38.gf7 Kh7 39.Rh5 Kg7 40.Ne6 Kf7 41.Qf4 Bf6 42.Qc7 Ke6 43.Qc6 Kf7 44.Qd7 Kf8 45.Qc8 Kg7 46.Qg4 Kf8 47.Qc8 Kg7 48.Qg4 Kf8 49.Qc8=) 38.Ne6 Qe6 39.Kd1 Bc3 40.Qc3 Rc3 41.gf7 Kf8 42.Kd2 Qe3 43.Kd1 Rc1#; 36...Bc3 37.gf7 Kh7 38.Rh5 Kg7 39.Qg2 Kf7 40.Qg6 Kf8 41.Ne6 Ke7 42.Qe8 Ke8 43.Ng7 Bg7 44.Ke2 Qa2 45.Kd1 Rb1#) 0–1. Ipatov,A (2490) – Zhou Jianchao (2610), Aeroflot Open, Moscow RUS, 2009.

8.c5 Nbd7 9.Be2 Re8 10.0-0 e5 11.de5 Ne5 12.a3 (12.Ne5 Re5 13.Nb5 Re4+=) 12...Ne4 13.Ne4 Nf3 14.Bf3 Bb2 15.Nd6 Rf8 (better 15...Ba1!? 16.Qa1 Re7=) 16.Ra2+= Be5 17.Nb7 Qh4 18.g3 Qh3 (18...Qf6 19.Bg4+=) 19.Na5 Rac8 20.Nb3 g5 (20...Rfe8 21.Nd4+/-) 21.Nd4+- Bd4 22.Qd4 g4 23.Bg2 Qh5 24.Qf6 (24.f3!?+-) 24...Rfe8+/- 25.Rb2 Re6 26.Qd4 (26.Qh4 Qh4 27.gh4 Kg7+=) 26...Qg6 (better 26...Rh6!? 27.Rd1 Re8=) 27.Rd1 h5 (27...Qh5 28.Qf4 Rh6 29.Kf1+/-) 28.a4 h4 29.b5 Re4? (29...h3 30.Bh1+/-) 30.Qc3 (better 30.Be4 Be4 31.gh4+-) 30...Rc4 31.Qa3 Be4 32.bc6 (32.gh4 Bg2 33.Kg2 cb5 34.ab5 (34.Rd5 Qe4 35.Kf1 Rc1 36.Ke2 Qf3 37.Kd3 Qd5 38.Ke2 Qd1) 34...R8c5 35.h5 Qh5 36.Qa7=+) 32...h3? (32...hg3 33.hg3 (33.Rd5 Rc1 34.Bf1 gh2 35.Kh2 g3 36.Kh3 g2 37.Qa1 gf1Q 38.Kh2 Qgg2) 33...Qc6 34.Be4 de4 35.Rbd2=) 33.Be4 (better 33.Bf1 Qf6 34.Be2+/- (34.Bc4?? Qf3 35.Bd5 Qd1)) 33...Qe4=+ 34.f4?? (34.f3 gf3 35.Rf1 Ra4=+) 34...Rc6 (better 34...Rc2 35.Rc2 Qc2-+) 35.Qd3 Qd3 36.Rd3 R6c5 37.Ra2? (37.Rbd2-+) 37...a5 (better 37...Rc1 38.Kf2 Rh1-+) 38.Kf2 (38.Rd1 Kg7-/+) 38...Kg7 (better 38...Rc1!? 39.e4 de4 40.Rd8 Kh7-+) 39.Rdd2 Kg6 40.Ke2 Kf5 41.Rdb2 Ke4 42.Rd2 d4 (42...f6 43.Rab2-/+) 43.ed4 Rd4 44.Rd4 Kd4 45.Rd2 Ke4 46.Ra2? (46.Kf2-+) 46...Rc4?? (better 46...Rc1!? 47.Kf2 Rh1 48.Re2 Kd3 49.Re5-+) 47.Kf2? (better 47.Kd2!?-/+) 47...f5 48.Ke2 Kd4 49.Rd2 Kc5 50.Ra2 Kb4 51.Kd3 Rc3 (better 51...Rc1-+) 52.Kd4= Ra3 53.Rb2 Ka4 54.Ke5 Rb3 55.Ra2 Kb4 56.Kf5 Ra3?? (better 56...a4!? 57.Kg4 a3=) 57.Rb2 (57.Ra3 Ka3 58.Kg4 a4+-) 57...Kc4 (57...Rb3 58.Rb3 Kb3 59.Kg4 Kc4+-) 58.Kg4+- a4 59.f5 Kc3? (59...Rd3 60.Rf2+- (60.Kh3?! a3 61.Rf2 Kb3+=)) 60.Rb8 (better 60.f6 Kb2 61.f7+-) 60...Ra1+/- 61.f6 Rf1 62.Rb6?? (better 62.Ra8+-) 62...a3= 63.Ra6 a2?? (better 63...Kb3=) 64.Ra2+- Rf6 65.Kh3 Kd4 66.Re2 Kd3 67.Re8 Kd4 68.g4 Rf2 69.Kg3 Rf1 70.h4 Kd5 71.h5 Kd6 72.Kh4 Kd7 73.Re2 Rh1 74.Kg5 Kd6 (74...Ra1 75.h6 Kd6 76.h7+-) 75.h6 Kd5 76.Kg6 Kd4 77.g5 Kd3 78.Re8 Kd4 79.h7 Kd5 Black threatens to counter with Kg7 80.h8Q (80.h8Q Rh8 81.Rh8+-) 1-0. ostrak11 (2000) - WWS (1940), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2)

8.c5 Nbd7 9.Bd3 Bd3 10.Qd3 Qc7 11.0-0 e5 12.Qe2 Rae8 13.Rfb1 Ng4 14.de5 Nde5 15.Ne5 Ne5 16.Na4 f5 17.g3 Qf7 18.Qd1 g5 19.Bd4 f4 20.ef4 gf4 21.g4? Qg6 22.Be5 Be5 23.Nb2 f3 24.h3 Rf4 25.Nd3 Rg4 26.Kh1–+ Qh5 27.Qf3+= Ba1 28.Qg4= Qg4 29.hg4 Bd4 30.b5 Re4 31.bc6= bc6 32.Rb8 Kg7 33.Rb7 Kg6 34.f3 Re3+= 35.Nf4 Kf6 36.Nh5 Kg5–/+ 37.Kg2 Re1 38.Ra7= Re2 39.Kg3 Re3 40.Rf7+/– Kg6 41.Rf8 Re1? 42.Rg8 (42.Rg8 Kf7 43.Rc8+/–) 1–0. Accardo,Francesco – Gambardella,Piero, Napoli West End op 1st, 1994. (=1.c4 c6 2.Nf3 Nf6 3.b4 g6 4.Bb2 Bg7 5.Nc3 d5 6.e3 0-0 7.d4 Bf5)

8.Bd3 dc4 9.Bc4 Qd6=.

8.Bd3 Bd3 9.Qd3 Nbd7 10.0-0 Nb6 11.Nd2 dc4 12.Nc4 Nfd5 13.a3 Nc4 14.Qc4 Nc3 15.Bc3 Qd5 16.Qe2 Rfd8 17.Qb2 Qe4 18.Qb1 Qd5 19.Rd1 Rd7 20.Rd2 Rad8 21.Qc2 Qc4 22.Rad1 b6 23.h3 Rd6 24.Qc1 R8d7 25.Bb2 Qc1 26.Bc1 e5 27.de5 Rd2 28.Rd2 Rd2 29.Bd2 Be5 30.a4 f5 31.Kf1 Kf7 32.Ke2 Ke6 33.Kd3 Kd5 34.f3 a6 35.e4 fe4 36.fe4 Ke6 37.Be3 b5 38.ab5 ab5 39.Bc5 Bh2 40.Bf2 Bd6 41.Kc3 h5 42.Bg1 Be5 43.Kd3 Bd6 44.Kc3 Kf6 45.Bf2 Kg5 46.g3 Kf6 47.g4 hg4 48.hg4 Kg5 49.Be1 Kg4 50.Kd4 Kg5 51.e5 Be7 52.Ke4 c5 53.bc5 Bc5 54.Kd5 Bf8 55.e6 Kf6 56.Bc3 Ke7 57.Kc6 Ke6 58.Kb5 g5 59.Kc4 Kf5 60.Kd3 g4 61.Ke2 Kf4 62.Kf2 Bc5 63.Kg2 Be3 64.Bg7 Ke4 65.Bf6 ½–½. Solnicki,Michal (2010) – Czarnecki,Wojciech (2055), XIII Konik Morski Rewala – Open B Poland, 2008. (=1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Bf5)

8.Bd3 e6 9.0-0 (9.Bf5 gf5 10.cd5 Nd5+=) 9...Ne4 (9...dc4 10.Bc4 Nbd7 11.Bd3=) 10.Qe2 (10.Be4 de4 11.Nd2 e5 12.Nce4 ed4 13.ed4 Bd4+=) 10...Nc3= 11.Bc3 Qf6 12.Rfc1 Nd7 13.cd5 cd5 14.b5 Rac8 15.Bb4 Rfe8 16.Bd6 (16.Bf5 Qf5 17.Bd6 Nf6=) 16...Nb6 (16...Bg4 17.Bf4=) 17.Bc5 (17.Bf5 ef5 18.Be5 Qe6+=) 17...Bd3= 18.Qd3 Nc4 19.Ba7 (19.Nd2!? b6 20.Bb4 Nd2 21.Qd2=) 19...b6=+ 20.Nd2 (20.Ne5 Qe7 (worse 20...Ne5 21.de5 Qe5 22.Bb6+=) 21.Bb8 Na5-/+) 20...Ra8-/+ 21.Bb6 Nb6 22.Qb3 Rec8 (22...Bf8 23.Qd3-+) 23.Nf3 (23.Rc8 Rc8 24.a4 e5-/+) 23...Nc4 24.a4 Ra5 (24...Bf8-/+) 25.Qb4? (25.Ne5=) 25...Bf8?? (25...Rca8 26.Ra2-+) 26.Qb3?? (better 26.Qa5! Na5 27.Rc8+=) 26...Qe7 (26...Rca8 27.Ra2-+) 27.Rcb1 (better 27.Ne5!? Qc7 28.Rab1-/+) 27...Rca8 28.b6 (28.Rc1 Nb6-+) 28...Qb7 29.Ne5? (29.Qd1 Nb6 30.Qb3 R8a6-+) 29...Ne5 (better 29...Nd2 30.Qd1 Nb1 31.Rb1 Ra4 32.Nd3-+) 30.de5 R8a6 31.g3 (31.h3 Bc5 32.Qc3 Bb6-+) 31...Bc5 32.Qc3 Rb6 33.Rc1 (33.Qa5 Rb1 34.Rb1 Qb1 35.Kg2 Qe4 36.Kg1 Ba3-+) 33...Bb4 (33...Rb4 34.Ra2-+) 34.Qd4 Be7 35.Qc3 Rc5 (35...Rb4 36.Qc8 Qc8 37.Rc8 Kg7 38.Rc7-+) 36.Qd2 Rc1 37.Qc1 Rc6 38.Qd2 Qb4 (38...Qb8 39.f4-+) 39.Qd3 (39.Qb4 Bb4 40.Ra2 Kg7-+) 39...Rc3 40.Qa6 (40.Qb5 Qe4-+) 40...Qb2 41.Rf1 Ra3 42.Qa7 (42.e4 Qe5 43.Qa8 Kg7 44.ed5 Qe4-+) 42…Qb4 0-1. Nevski (2010) - ivanz111 (2020), Rated Blitz game, lichess.org, 2014.

8.cd5 Nd5+= 9.Qb3 a5 10.Nd5 cd5 11.b5 a4 12.Qb4 Bf6 13.Ba3 (13.Rc1 Qb6=) 13...Nd7+= 14.Rc1 (14.Be2 Rc8+=) 14...Re8 (better is 14...Rc8!?–/+) 15.Be2= e5 16.de5 (16.0-0!?=) 16...Be7+= 17.Qc3 Ba3 18.Qa3 Qa5 (worse is 18...Ne5 19.Ne5 Qa5 20.Qc3 Qc3 21.Rc3 Re5 22.Rc7+=) 19.Kf1 (19.Kd1 Rac8+=) 19...Ne5 (19...Rac8 20.Nd4 Ne5 21.Nf5 gf5 22.g3+=) 20.Ne5 Re5 21.Qc3 Rc8 (21...Qc3 22.Rc3 Rd8 23.g4–/+) 22.Qa5= Rc1 23.Qe1 Re1 24.Ke1 Re4 25.a3 d4 26.Kd2 de3 27.fe3 Re7 28.Rc1 Rd7 29.Kc3 (29.Ke1 Be6=) 29...Rc7 30.Bc4 Kf8 (30...Re7!?=) 31.Kb4+= Be6 32.g3 b6 33.Ka4?? (better is 33.Rc3 Bg4 34.Ka4 Bd1 35.Kb4+/–) 33...Bd7 (worse is 33...Bc4 34.Kb4 Re7 35.Rc4 Re3 36.a4+=; 33...Rc4?! 34.Rc4 Bc4 35.Kb4–+) 1–0. Skreno,Vladimir (2180) – Cmor,Nino (2010), Portoroz Open, 2016. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

8.Be2 a5 9.ba5 Qa5 10.0-0 Nbd7 11.Nd2 Rfe8 12.f4 Qb6 13.Qb3 dc4 14.Bc4 Qb3 15.Bb3 c5 16.e4 cd4 17.ef5 dc3 18.fg6 hg6 (better is 18...Rec8!? 19.Bc3 Rc3 20.Bf7 Kf8–/+) 19.Bc3= Nc5 20.Bc4 Red8 21.Nf3 Ra4 22.Bf6 Bf6 (worse is 22...ef6 23.Rac1+=) 23.Rac1 Nd3 24.Rfd1 (better is 24.Bd3!? Rd3 25.Rc7–/+) 24...Bd4–+ 25.Kf1 Nc1 26.Rc1 Be3 27.Rc2 Bf4 28.g3 Rd1 29.Ne1 Bd2 30.Ke2 Re1 (30...Be1?! 31.Kd1 Bb4 32.Bb3–/+) 31.Kd2 Re5 32.Kd3 Kg7 33.Bb3 Ra6 34.Kd4 f6 35.Rc8 Rd6 36.Kc3 Rc6 37.Rc6 bc6 38.a4 Kf8 39.Kb4 Ke8 40.h4 (40.a5 c5 41.Kc4 Kd7–+) 40...Re3 41.g4 Kd7 42.h5 (42.Bc2 Rg3 43.Bd1–+) 42...Re4 43.Kc5 Rg4 44.h6 (44.hg6 Rg6 45.Bd1 Rg2–+) 44...Rh4 45.Kb6 Rb4 (45...Rb4 46.Kc5 Rb3–+) 0–1. Ravi,Lanka (2390) – Sriram,Jha (2300), Goodricke op, 1997. (=1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5)

8.Be2 Qb6 9.Qb3 a5 10.b5 dc4 11.Bc4 cb5 12.Bb5 Nc6 13.0-0 Nb4 14.Ne1 Ne4 15.Ne4 Qb5 16.Nc3 Qc6 17.a3 Be6 18.Qd1 Nd5 19.Rc1 Nc3 20.Rc3 Qb5 21.Qd2 Rfc8 22.Nf3 Rc3 23.Bc3 Bd5 24.Ra1 Bf3 25.gf3 Qg5 26.Kh1 Qf5 27.Kg2 Qg5 28.Kh1 h5 29.Rg1 Qf5 30.Qe2 Rc8 31.e4 Qf4 32.Ba5 Bd4 33.Bd2 Qf6 34.f4 Rc2 35.Qd3 Ra2 36.Rc1 Ra1 37.Ra1 Ba1 38.Qd8 Kg7 39.Bb4? Qf4–+ 40.Qe7 Qf2 (40...Qf2 41.h3 Qf3 42.Kh2 Qf4 43.Kg2 Bd4–+) 0–1. Nachtkamp,Herbert (2155) – Hoffmann,Hendrik (2265), Seefeld op, 1997. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.c4 c6 7.Nc3 Bf5)

8.Be2 Qd6 9.Qb3 Nbd7 10.cd5 cd5 11.a4 Rac8 12.0-0 Ne4 13.Rfc1 (worse is 13.Nd5 Be6 14.Bc4 Rc4 15.Qc4 Bd5–/+ (worse is 15...Qd5 16.Qd5 Bd5 17.Rfc1+=)) 13...Ndf6 14.Ne4 Ne4 15.b5 g5 16.Ba3 Qe6 17.Qb4 Bf6 18.a5 g4 19.Nd2 Bg5 20.Ne4 Be4 21.Qd2 f5 22.g3 (22.Rc8 Rc8 23.Bc5 Rf8+/–) 22...Qh6 23.Rc8 Rc8 24.Rc1 Qe6 25.Rc8 Qc8 26.Bc5 Qb8 27.Qb4?? (27.b6 ab6 28.Bb6 Qc8+=) 27...Kf7?? (better is 27...b6–+) 28.b6+= ab6 29.Qb6 Qc8 30.Qb5 h5 31.h4 Bf6 32.Bd1 e6 33.Qb6 Qd7 34.Bb4 Bd3 35.Qc5 Bb5 36.Qf8 Kg6 37.f3 Qd8 38.fg4 hg4 (better is 38...Qf8!? 39.gf5 Kg7 40.Bf8 Kf8 41.fe6 Ke7 42.Bh5 Ke6 43.Bg4 Kd6=) 39.h5!+/– Kg5 40.Qf7 Qe8 41.Qb7 Bc4 42.Qh7 Qh5 43.Qh5 Kh5= 44.Ba4 f4?? 45.gf4+– Kh4 46.Be1 Kh3 47.Bd7 e5 48.de5 Be7 49.f5 Bc5 50.f6 Be3 51.Bf2 Bf4 52.Bd4 Bh2 53.Kf2 Bg3 54.Ke3 Kg2 55.f7 Bf2 56.Kf4 Bd4 57.f8Q 1–0. Mazalon,Mariusz (2155) – Wiewiora,Eneasz (1910), Rewal op–A, 2007. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6 7.Nc3 Bf5)

8.Be2 Re8 9.0-0 Ne4 10.Rc1 dc4 11.Ne4 Be4 12.Bc4 e6 13.Nd2 Bd5 14.e4 Bc4 15.Nc4 Na6 16.a3 Nc7 17.e5 Bf8 18.Rc3 Nd5 19.Rf3 Nb6 20.Ne3 h5 21.g4 Qg5 22.h4 Qh4+= 23.Rg3 Nd5 24.Nd5 ed5 25.gh5 Re6 26.Qg4 Qg4 27.Rg4 Kh7 28.hg6 Rg6 29.Rg6 Kg6 30.Bc3 Bh6 31.Kg2 Rh8 32.Rg1 Kf5 33.Kf3 Bg5 34.Kg2 Rg8 35.Kf3 Rh8 36.Kg2 Rh4 37.Re1 Re4 38.Rh1 Bh4 39.Kf3 Rf4–/+ 40.Ke3 Bf2 41.Kd3 Bh4 42.Ke3 Bg5 43.Ke2 Re4 44.Kd3 Rh4 45.Rf1 Ke6 46.Rg1 Rh3 47.Kc2 Rh2 48.Kd3 Kf5 49.Rf1 Kg6 50.a4 Rh3 51.Kc2 b6 52.Ra1 Be7 53.a5 b5 54.Rg1 Bg5 55.Bd2 Rh5 56.Bg5 Rg5 57.Rf1 Rf5 58.Rg1 Rg5 59.Rf1 Kg7 ½–½. Klingelhoefer,Jan – Huppertz,Andrea, NRW–chT, 1993. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d5 5.e3 Bf5 6.Nc3 c6 7.Bb2 0-0)

8.h3 a5 9.b5 Nbd7 (9...a4 10.Ba3=) 10.g4+= Be6 11.bc6 bc6 12.Ng5 c5 13.Rb1 cd4 (13...Rb8 14.Ne6 fe6 15.Qe2=) 14.ed4 ½–½. winugly123 – ST_KAOURAS, ChessWorld.net, 2008.

9.Bc4+= b5 10.Be2 a5 11.a3 Na6 (11...ab4 12.Qb4 Na6 13.Qb3=) 12.ba5+= Qa5 13.0-0 Rac8 (13...Nd7 14.Rfc1+=) 14.Rfd1 Ne4 (14...Be6 15.Qc2+=) 15.Ne4+/– Be4 16.a4 Bd5 17.Qc2 Qb6 (17...Nb4 18.Qc5 Na6 19.Qe7+/–) 18.e4 Be6 19.Ng5 (19.Rdb1 Rfd8+/–) 19...Bd7 20.ab5 (20.Qb3 Rb8 21.Bc3 h6+/–) 20...cb5+= 21.Qb3 Nc7 22.d5 Bb2 23.Qb2 Ra8 24.Ra8+/– Ra8 25.e5 Rd8 26.Qb4+– Be8 27.Qh4 h5 28.d6! Na6 29.Ne4 ed6 30.ed6 Nb8? 31.Nf6 Kf8 32.Qf4 Kg7 33.Qe5 Nc6 34.Ne8 Kh6 35.Qf4 (35.Qf4 Kh7 36.Qf7 Kh6 37.Qf8 Kg5 38.h4 Kh4 39.Qf4) 1–0. Littlewood,Paul – Ftacnik,Lubomir, Hastings, 1980. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

9.Bc4 b5 10.Be2 a5 11.a3 Be6 12.Qd1 ab4 13.ab4 Na6 14.Ba3 Bc4 15.Bc4 bc4 16.Qc1 Nd5 17.Ne4 Ndb4 18.0-0 Qd5 19.Ned2 c5 20.Nc4 Rfb8 21.Bb4 Rb4 22.Nce5 Be5 23.Ne5 cd4 24.Nc6 Rb7 25.Ra5 Qd6 26.ed4 e6 27.Qc4 Rb6 28.Rc1 Qf4 29.g3 Qc7 30.h3 Qb7 31.Ne5 Rd8 32.Rca1 Rb1 33.Rb1 Qb1 34.Kh2 Qe1 35.Ra2+/– Nb4 36.Re2 Qf1 37.Nf7 Rf8 38.Qb4 Rf7 39.Qd2 Rf3 40.h4 Ra3 41.Qc2 Rf3 42.Qc8 Kg7 43.Qb7 Rf7 44.Qb2 Kg8 45.f4+– Qf3 46.Qb8 Kg7 47.Qe5 Kh6 48.Qe6 Rd7 49.Rg2 Rd5 50.Qf7 Rf5 51.Qe7 Qb3 52.g4 Qf7 53.Qe3 Rd5 54.Rc2 Kg7 55.Rc5 Rd7? 56.Qe5 Qf6 57.Rc6 Qe5 58.de5 h5 59.gh5 gh5 60.f5 Rd4 61.Rg6 Kf7 62.Kg3 1–0. Souza,Ornelio de (2255) – Carvalho,Luiz Magalhaes (2130), CADAP Torneo Candidatos a Maestro, 2008. (=1.c4 c6 2.Nf3 Nf6 3.Nc3 d5 4.e3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Bf5)

9.Bc4 Nbd7 10.0-0 Nb6= 11.Be2 Nfd5 (11...Be6 12.Qc2=) 12.a4 Nc3 13.Bc3 Qd5 14.Qd5 cd5 15.Rfc1 Rfc8 16.Nd2 e5 17.de5 Rc3 18.Rc3 Be5 19.Rca3 Ba1 20.Ra1 Rc8 (20...a5 21.g4 Bc2 22.Rc1 Ba4 23.Rc7+=) 21.Nf3 (21.Nb3 Kg7+=) 21...Rc2 (21...Rc3 22.Nd4=) 22.Nd4+= Rb2 23.b5 Nc4 (23...Na4 24.Nf5 (worse 24.Ra4 Rb1 25.Bf1 Bd3-/+) 24...gf5 25.Bf1=) 24.g4 (24.Nf5 gf5 25.Bf3 Rd2+=) 24...Bd7 25.Rc1 Rb4 26.Bf3 Be6 27.Bd1 (worse 27.Ne6 fe6 28.Bd1 h6=+) 27...Kf8 28.g5 Ke7 29.h4 Kd6 30.Kg2 Rb2 (30...a6 31.ba6 (worse 31.Ne6 fe6 32.ba6 ba6-/+) 31...ba6 32.Kg3=) 31.Kg3+= Bd7 32.Be2 Nd2 (32...Rb4 33.Ra1+=) 33.Bd3 Rb4 34.a5 (34.Rd1!? Nc4 35.Bc4 Rc4 36.Ra1+=) 34...Nc4= 35.a6 ba6 36.ba6 Ra4 37.Kf4 Ne5 (37...Kc5 38.Nf3=+) 38.Be2= Nc6 39.Rd1 Ne7 (39...Nb4 40.e4=) 40.h5 (40.Kg3 Nf5 41.Nf5 Bf5+=) 40...Ra2 (40...gh5 41.Kg3=) 41.Kg3 (41.h6 Nf5 42.Nf5 Bf5+=) 41...gh5 (41...Bc8 42.Nb5 Kc5 43.Rc1 Kb6 44.Rb1 Re2 45.hg6 Re3 46.fe3 fg6 47.Kf4+/-) 42.Bh5+/- Be6 43.Nb5 (43.Be2!?+/-) 43...Kc5 44.Nd4 (worse 44.Na7 Ra6 45.Rc1 Kb6-/+) 44...Ra6 45.Rc1 Kd6 46.Be2 (46.Nb5 Ke5 47.f4 Ke4+=) 46...Ra2 47.Bd3 Ng6 (47...a5!?=) 48.Nb5+= Ke7 49.Rc7 Kf8 50.Ra7 Rb2? (better 50...Ra7 51.Na7 Kg7+=) 51.Nd4+- Ne5 (51...Ke8 52.f4 Bd7 53.Ra5+-) 52.Bh7 Nc4?? (better 52...Rb6+-) 53.Ne6 fe6 54.g6 Ke8 (54...Rb8 55.g7 Ke8 56.g8Q) 55.g7 (55.g7 Rf2 56.Kf2 Ne3 57.g8Q) 1-0. Lavrov,Ma1 (2400) - Sarana,A (2645), Titled Arena Mar 6th, 2021. (=1.Nf3 d5 2.d4 Nf6 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2)

9.Bc4 Nbd7 10.Ng5+/– e6 11.e4 Ng4? (better is 11...Nd5! 12.h4 h6 13.ef5 hg5 14.fe6 fe6=) 12.Nf3+– (12.ef5?! Qg5 13.fe6 fe6+/–) 12...Nb6 13.ef5 Nc4 14.Qc4 ef5 15.0-0 Qc7 16.h3 Nf6 17.Rfe1 Rac8 18.Rac1 Qd7 19.Qc5 b6 20.Qc4 Rfd8 21.Ne5 Qc7 (21...Qb7+–) 22.Nb5! (22.Nb5 cb5 23.Qc7 Rc7 24.Rc7+–) 1–0. Trokenheim,Marek (1830) – Raines,David, OP–2012–0-02016, 2012.

9.Bc4 Ne4 10.0-0 Nd6 11.Be2 Be6 12.Qc2 Bc4 13.Na4 (13.Bc4 Nc4 14.Na4 b5+=) 13...Be2= 14.Qe2 Nd7 15.e4 e6 (15...a5 16.a3=) 16.Nc5+= Nc5 17.bc5 Nb5 18.Rfd1 Qe7 19.Rab1 Rab8 20.a4 Nc7 21.Bc1 f6 22.Rb3 Rfd8 23.Be3 b5 24.cb6 Rb6 25.Rb6 ab6 26.Qc4 Rd6 27.Bf4+– Rd7 28.Qc6 e5 29.Be3 Qd6 30.Rc1 Qc6+/– 31.Rc6 ed4 32.Bf4 Na6 33.Nd2 g5 34.Bd6+/– Nc5 35.Bc5 bc5 36.Rc5 Bf8 37.Rd5 Rd5 38.ed5 Bb4 39.Nc4 Kf7 40.g4 Ke7 41.Kg2 d3 42.Kf3 d2 43.Ke2 h6 44.h3 Kd7 45.a5 (worse is 45.Nd2 Kd6+–) 1–0. Slak,Marjan (2225) – Licina,Anita (2125), Ljubljana op 5th, 1994.

9.cd5 cd5 10.Be2 Rc8 11.0-0 Nb6 12.Qb3 Bg4 13.h3 Bf3 14.Bf3 e6 15.Rc2 Nc4 16.Rfc1 Ne8 17.b5 Ned6 18.Ba3 Bh6 19.Bd6 Nd6 20.Kh1 Bg5 21.a3 Nf5 22.Na2 Rc2 23.Rc2 Be7 24.Qa4 Qb6 25.Be2 Nd6 26.Nc1 Rc8 27.Rc8 Nc8 28.Na2 Qd6 29.Nb4 Qb6 30.Na2 Kg7 31.Bd3 Qc7 32.g3 Qd6 33.Nb4 Qb6 34.Kg2 Nd6 35.Na2 Nc4 36.Bc4 dc4 37.Nc3 a6 38.Qc4 Ba3 39.Kf3 Be7 40.Ke2 h6 41.f4 Qd6 42.d5 ab5 43.Nb5 Qd5 44.Qd5 ed5 45.Kd3 f5 46.Nc7 h5 47.Nd5 Bc5 48.Nc3 Kf7 49.e4 Bf2 50.Ne2 Ke6 51.e5 Kd5 52.Nc3 Kc6 53.Ne2 Kc5 54.Kd2 Kc4 55.h4 b5 56.Kc2 b4 57.Kb2 Kd3 58.e6 Bc5 (58...Ke2?? 59.e7 Kf3 60.e8Q Kg3 61.Qg6 Kf4 62.Qg5 Ke4 63.Kb3+–) 59.Nc1 Kc4 60.Kc2 Be7 61.Nb3 Kd5 62.Kd3 Bf6 63.Nd2 (better is 63.Nd4!+=) 63...Ke6–+ 64.Kc4 Bc3 65.Nf3 Kd6 0–1. Slavik,Miroslav (2195) – Pytlik,Leszek (2365), CZE–ch14 fin email, 2005. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

9.cd5 Nd5 10.Nd5 cd5 11.Be2 Rc8 12.Rc8 Qc8 13.0-0 Nb6 14.Qb3 Nc4 15.Rc1 b5 16.Ne5 Qb8 17.Bc3 Ne5 18.de5 Be5 19.Be5 Qe5 20.Bb5 d4 21.Bf1 Rd8 22.Qb2 Qe4 23.ed4 Rd4 ½–½. Degterev,Pavel (2275) – Szabo,Vilmos (2310), SH–2007–0-00158, 2007.

9.Be2 a5 10.b5 cb5 11.Nb5 dc4 12.Bc4 Nb6 13.Be2 Rc8 14.0-0 Be6 15.Rc8 Qc8 16.Ba3 Re8 17.Qb1 Bf5 18.Qb2 Nbd5 19.Ne5 Qb8 20.Bc4 Be6 21.Re1 Ne4 22.Bb3 b6 23.Nc6 Qb7 24.Qc2 Bf8 25.Rc1 Nd6 26.Ne7! Be7 27.Nd6 Bd6 28.Bd6 b5 29.e4 Nb6 30.d5 Bd7 31.a3 a4 32.Ba2 Rc8 33.Qb2 Rc1 34.Qc1 Nc4 35.Bb4 Qc8 36.h3 Kg7 37.Bc3 f6 38.Qf4 Qf8 39.Bc4 bc4 40.Qc7 Qe7 41.Bb2 h5 42.f4 h4 43.e5 fe5 44.fe5 Kh6 45.e6 1–0. Zhou Weiqi (2580) – Lou Yiping (2425), TCh–CHN Shanghai CHN, 2010.

9.Be2 Ne4 10.0-0 Nc3 11.Bc3 dc4 12.Bc4 Nb6 13.Bb3 Nd5 14.Bd2 Qd6 15.a3 Rad8 16.Qe2 Bg4 17.h3 Bf3 18.Qf3 (worse is 18.gf3 Qe6 19.b5 Bd4–/+) 18...e5 19.de5 Qe5 20.Rc2 Nf6 21.Bc3 Qe4 22.b5 (22.Qe2!?+=) 22...Qf3+= 23.gf3 Nd7 (better is 23...cb5!? 24.Bd4 b6+=) 24.bc6 bc6 25.f4 Rc8 (25...Nb8!?=) 26.Bg7+/– Kg7 27.Ba4 Nb6 28.Bc6 Rfd8 29.Rfc1 Rd3 30.a4 Ra3 31.Rd1 Rc7 32.Rd4 f5 33.Kg2 Kf6 34.Kg3 Ra1 35.Kh2 Ke7 36.Kg2 Rc8 37.Rc5 Rc7 38.a5 Nd7 39.Rcd5 Nf6 40.Re5 Kf7 41.Rd6 Kg7 42.Bf3 Ra2 43.a6 Rb2 44.Ree6 Ng8 45.Rc6 Rd7 46.Red6 Re7 47.Rd3 Nf6 48.Rdc3 Ne8 49.Rc8 Ra2 50.Bb7 Kh6 51.R8c6 Rd7 52.Rc2 Ra1 53.Rc1 Ra2 54.R6c2 Ra5 55.Rc5 Ra2 56.R1c2 Ra1 57.Bc6 Rd8 58.Bb5 Rb8 59.Rd5 Nf6 60.Re5 Ne4 61.Bd3 Ra3 62.Be4 fe4 63.Re4 Ra6 64.Re7 g5 65.fg5 Kg5 66.Rh7 Rg8 67.f4 Kf5 68.Kf3 Ra3 (68...Rg1+–) 69.Rh6 (69.Rh6 Re3 70.Ke3 Rg3 71.Kf2+–) 1–0. Cramling,Pia (2525) – Cmilyte,V (2470), Baltic Queen, St Petersburg RUS, 2009.

9.Be2 Ne4 10.cd5 Nc3 11.Bc3 cd5 12.b5 Re8 13.0-0 e6 14.Qb3 g5 15.Rfd1 g4 16.Ne5 Ne5 17.de5 h5 18.Bd4 h4 19.f4 gf3 20.Bf3 Qg5 21.Rc7 b6 22.Rdc1 Bg6 23.Qb2 a6 24.ba6 Ra6 25.Rc8 Ra8 26.Re8 Re8 27.Be2 Be4 28.Bb5 Ra8 29.a4 Kh7 30.Qf2 Rf8 31.Rc7 Kg8 32.Qb2 h3 33.g3 f6 34.ef6 Bf6 35.Rc1 Qe3 36.Be3 Bb2 37.Rc7 Rf3 38.Bb6 Be5 39.Rc1 Rg3 40.hg3 Bg3 41.Kf1 h2 42.Ke2 Bf4 43.Rd1 ½–½. Marasescu,Ioan (2335) – Lenart,Endre (2255), Harkany Tenkes Cup, 1996. (=1.Nf3 g6 2.d4 Nf6 3.c4 c6 4.Nc3 d5 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5)

9.Bc4 b5 10.Bb3 a5 11.ba5 Qa5 12.0-0 Nbd7 13.Qe2 b4 14.Na4 Qa6 15.Qd2 Qb5 16.Qd1 Ne4 17.h3 Ra5 18.a3 Rb8 19.g4 ba3 20.Ra3 Ra4 21.Bf7? Kf7–+ 22.Qa4 Qa4 23.Ra4 Rb2 24.gf5 gf5 25.Ra5 c5 26.dc5 Ndc5 27.Ng5 Ng5 28.Rc5 e6 29.Kg2 Ne4 30.Rc7 Kf6 31.Rcc1 Bh6 32.Rb1 Rd2 33.Rbe1 Bg5 34.Rd1 Re2 35.Rde1 Re1 36.Re1 Bh4 37.Ra1 Bf2 38.Kf3 h5 39.Ra8 h4 40.Rf8 Ke5 41.Rg8 Bg3 42.Rg6 Kd5 43.Rh6 Nf2 44.Kg2 e5 0–1. Matuszewski,Michal (2315) – Socko,Monika (2475), Najdorf Mem Open A, Warsaw Poland, 2010.

9.Bc4 b5 10.Bb3 a5 11.ba5 Qa5 12.0-0 Nbd7 13.Qe2 b4 14.Na4 Qb5 15.Qb5+= cb5 16.Nc5 Nc5 (16...Nb6 17.Rac1+= (17.Ne5 Na4 18.Ba4 ba4 19.Nc6 Rfe8 20.Nb4 Reb8 21.Bc3) 17...Nc4 18.Bc4 bc4 19.Rc4 Ra2 20.Rb4 Rfa8 21.Ne5) 17.dc5+/– Ne4 (17...Rac8 18.Bd4 Nd7 19.Rac1 e5 20.Ba1 e4 21.Bg7) 18.Bg7 (18.Bd4 Rac8 19.Rac1 Nc3 20.Rfe1 Bd3 21.Kh1) 18...Kg7 19.Rfc1 (19.Bd5 Rac8 20.Be4 Be4= 21.Rfc1) 19...Nc3 (19...Rac8 20.Nd4 Nc5 21.Nb5+=) 20.Kf1 (20.Nd4 Rfc8= (20...e5 21.Nf5) 21.a3) 20...Ra3+= 21.Nd4 Rc8 22.Nf5 gf5 23.Rc2 Rc5 24.Rd1 Ne4 25.Rb2 Rc3 26.g4 fg4–/+ 27.Rd4 f5–+ 28.Rb4 Rc1 29.Kg2 Ng5 30.Bd5 Rd3 31.Rb5 f4! 32.f3 Nh3 33.fg4 fe3 34.R5b3?? Nf4 35.Kg3 Rb3 36.Rb3 Nd5 (36...Nd5 37.Rb2 Nc3–+) 0–1. Socko,B (2635) – Gopal,G (2525), 6th Gibtelecom Masters, Gibraltar, 2008.

9.Bc4 b5 10.Bb3 a5 11.ba5 Qa5 12.0-0 Nbd7 13.Qe2 b4 14.Nb1 (14.Na4 c5=) 14...Ne4 (14...c5 15.a3=) 15.Nh4 c5 16.Nf5 gf5 17.Nd2 (17.Rd1 Rfc8+=) 17...Nc3 (17...Nd2 18.Qd2 Rfd8 19.Rfd1=) 18.Qd3 (18.Bc3 bc3 19.Nc4 Qc7+=) 18...cd4= 19.ed4 Nb6 (19...Bd4 20.Bc3 Bc3 21.Qd7+=) 20.Nf3 (20.Rfe1 e6=) 20...Qb5= 21.Rfd1 (21.Qe3 Nbd5 22.Bd5 Nd5=) 21...Nba4 22.Bc3 Qd3+= 23.Rd3 Nc3 24.Kf1 Rfd8 25.Rd2 e6 26.Re1 Ra5 27.g3 h5 28.h4 Bf6 29.Kg2 Kg7 30.Re3 Rda8 31.Ne5 Ne4 32.Rc2 Be5 33.de5 Nc3 34.Rd2 Na2–/+ 35.Rd7 Kg6 36.Rb7 Ra3 37.Kf3 Rc8 38.Kg2 Rc3 39.Rc3 bc3 40.Ba2 Ra2–+ 41.Rc7 c2 42.Kf3 f6 43.ef6 Kf6 44.Ke3 Ke5 45.f4 Kd6 46.Rc8 Rb2 47.Rc4 e5 48.fe5 Ke5 49.Rc8 Kd5 50.Rc7 Kd6 51.Rc8 Ra2 52.Rc4 Ra3 53.Kf2+= Ra2 54.Ke3 Ra3 ½–½. Tomashevsky,E (2650) – Bu Xiangzhi (2685), IV RUS–CHN Match, Nizhniy Novgorod RUS, 2007. (=1.c4 g6 2.Nc3 Nf6 3.d4 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

9.Bc4 b5 10.Bb3 Qd6 11.0-0 (11.a3 a5=) 11...Qb4=+ 12.Qc1 Qd6 13.Qd2 Nbd7 14.Rfe1 b4 15.e4?? (better 15.Na4-/+) 15...bc3-+ 16.Bc3 (16.Qc3 Ne4 17.Qc2 Nef6-+) 16...Ne4 (worse 16...Be4 17.Bb4 c5 18.dc5-+) 17.Qe3 (17.Qc2 Nc3 18.Qc3 c5-+) 17...Ndf6 (17...Nc3 18.Qc3 c5 19.Rad1-+) 18.Bb2 (18.Ne5 Nd5 19.Bd5 cd5-+) 18...Ng4 19.Qe2 Ngf2 20.h3 (20.Rac1-+) 20...Qg3 21.d5 Nh3 22.Kf1 Qh2! 23.Bg7 (23.Nh2 Ng3 Mate attack) 23…Ng3 0-1. arman77 (1745) - erazer93 (1865), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2)

9.Bc4 Qd6 10.a3=.

9.0-0 Nb6 10.Nd2 Be6 11.c5+= Nc4 12.Nc4 dc4 13.a4 b6 14.cb6 Qb6 15.Ba3 Nd5 16.Ne4 Bf5 17.Bf3 Nb4 18.Qc1 a5 19.Qc4 e5 20.de5 Be5 21.Rab1 Rab8 22.Bb2 Qc7 23.Be5 Qe5 24.Rbc1 Rfd8 25.Rfd1 h6 26.Nc5 h5 27.h3 Qf6 28.Rd8 Rd8 29.Nb7 Rd2 30.Na5+/– Nd3 31.Qc3 Qc3 32.Rc3 c5 33.Nb3+– Rb2 34.Nc5 Rb1 35.Kh2 Nf2 36.Kg3 Nd1 37.Ra3 Rc1 38.a5 Rc5 39.a6 Rc7 40.Bb7?? Bc8= 41.Rd3 Bb7 42.ab7 Rb7 43.Rd1 Kg7 44.Rd6 Rb2 45.Kf3 h4 46.Rd4 g5 47.g3 hg3 48.Kg3 Kg6 49.h4 Rb3 50.Kf3 ½–½. Drenchev,P (2410) – Orev,P (2220), 4th Kesarovski–Georgiev Memorial, 2005. (=1.Nf3 Nf6 2.d4 d5 3.c4 c6 4.Nc3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5)

9.0-0 Nb6 10.cd5 Nfd5 11.b5 Nc3 12.Bc3 cb5 13.Bb5 Rc8 14.Ba5 Qd6 15.Bb6 Qb6 16.Bd3 Bd3 17.Qd3 Rc7 18.Rac1 ½–½. Spieler,Schach (2260) – Tauscher,Karl, RSS7E high–10, 2005.

9.0-0 dc4 10.Bc4 Nb6 11.Bb3 Nbd5 12.Nd5 cd5 13.Ne5 Qd6 14.a4 Qb4 15.Ba3 Qa5 16.Be7 Rfe8 17.Bf6 Bf6 18.Nd3 Rac8 19.Nf4 Be6 (19...Red8 20.Qe1 Qb6 21.Nd5 (worse is 21.Bd5 g5+=) 21...Qb3 22.Nf6 Kg7 23.e4 Kf6 24.ef5 Rd4 25.Qa5+=) 20.Qf3+= Rc3? (better is 20...Bg5!?+=) 21.Bd5 Bd4 (21...b6 22.Ne6 fe6 23.Bc6+/–) 22.Be6 (22.Bb7?! Bc4 23.Bc6 Rd8+/–; 22.Ne6?! fe6 23.Bb7 Qc7+/–) 22...fe6 23.Ne2 (23.Qb7 Rc7 24.Qb5 Qb5 25.ab5 Ba1 26.Ra1 Rc5–/+) 23...e5? (better is 23...Bg7 24.Nc3 Bc3+–) 24.Nc3 (24.Nc3 Bc3 25.Rab1+–) 1–0. Miles,Anthony J – Rumpf,T, 08, Open, Bad Woerishofen GER, 1997.

9.0-0 dc4 10.Bc4 Nb6 11.Bd3 Bd3 12.Qd3 a5 13.Ba3 ab4+= 14.Bb4 Nfd5 15.Nd5 Nd5 16.Qb3 Nb4 (16...Ra7 17.a4=) 17.Qb4= Ra7 18.a4 Qd6 19.Rab1 Rfa8 20.h3 Ra4 21.Qb7 c5 22.dc5 Qc5 23.Rfc1 Qd6 24.Rd1 Qf6 25.Rb6 (25.Rd7 Bf8=) 25...R4a7 26.Qa7 Ra7 27.Rd8 Bf8 28.Rf6 ef6 29.g4 Ra5 30.Nd4 h5 31.Kg2 hg4 32.hg4 Ra7 33.Nb5 Ra5 34.Nd6 f5 35.gf5 gf5 36.Nc4 Rb5 37.Nd2 Kg7 38.Rd7 Kg6 39.Nf3 Ra5 40.Nd4 Bc5 41.Ne2 Kf6 42.Kf3 Ba3 43.Rb7 Ra6 44.Rb5 Bd6 45.Kg2 Bc7 46.Rc5 Bd6 47.Rd5 Bc7 48.Nd4 Ra5 49.Rd7 Rc5 50.Kf3 Be5 51.Ne2 Rc2 52.Rb7 Rb2 53.Ra7 Kg6 54.Ra6 f6 55.Ra7 Rc2 56.Rd7 Rc7 57.Rd1 Rh7 58.Nc1 Rh3 59.Kg2 Rh2 60.Kf3 Rh3 61.Kg2 Rh2 62.Kg1 Rh4 63.f4 Bc7 64.Kg2 Bb6 65.Rd3 Kh5 66.Ne2 Kg4? 67.Rd7+– Rh8 68.Rg7 Kh4 69.Kf3 Kh3 70.Rg1 (70.Rg1 Kh2 71.Rg2 Kh3 72.Ng1 Kh4 73.Rh2#) 1–0. Le Quang Liem (2500) – Laylo,D (2475), zt, 2007. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Bf5)

9.0-0 dc4 10.Bc4 Nb6 11.Be2 Nfd5 12.a3 a5 (12...Qd6 13.Bd3=) 13.b5 (13.ba5 Nc3 14.Bc3 Nd5+=) 13...Nc3= 14.Bc3 Nd5 15.Bb2 a4 16.Nd2 Bd7 17.bc6 Bc6 18.Rc1 e6 19.Rc2 Rc8 20.Qa1 Bh6 21.Bf3 (21.Bd3 Ne3 22.fe3 Be3 23.Kh1 Bg2 24.Kg2 Bd2=) 21...Bb5 (better is 21...Ne3!? 22.fe3 Be3 23.Kh1 Bf3 24.Rc8 Bg2 25.Kg2 Qd5 (25...Qc8?! 26.Qe1 Qc6 27.Nf3 Qc2 28.Kh1=) 26.Rf3 Rc8–/+) 22.Rc8+= Qc8 23.Rc1 Qd7 24.Ne4 b6 25.Kh1 Bg7 26.Qb1 Rc8 27.Rc8 Qc8 28.Nd6 Qc6 29.Nb5 Qb5 30.g3 (30.Qc1 h6+=) 30...Qc4 31.Kg2 b5 32.Qd1 Qa2 33.Qc1 (33.Bc1 Nb6=) 33...Bf8+= 34.e4 (34.Be2 Nb6=) 34...Nb6 (34...Ne3 35.Qe3 Qb2 36.Be2–/+) 35.Be2 b4 36.Bb5 ba3 37.Ba1 Qb3 38.Qc6 Qb1 39.Bc3 a2 40.Qb6 Qe4 41.Kh3 Qb1 42.Qa5? (better is 42.Kg2!?–/+) 42...a3 43.Bc4 (43.Kg2 a1Q 44.Ba1 Qa1–+) 43...a1Q 44.Ba1 Qa1 45.d5 Qd4 46.Qb5 ed5 47.Bd5 Qf2 48.Qc4 Be7 (better is 48...h5 49.Qf4 Qf4 50.gf4–+) 49.Qb3 (49.Qf4 Qf4 50.gf4–+) 49...Qf1 50.Bg2 Qf5 51.g4 Qf6 (51...Qf6 52.Bd5 Qf1 53.Bg2 Qf2–+) 0–1. Gotel,Michael (2245) – Laylo,D (2510), Bangkok THA, 2014. (=1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2 Nbd7)

9.0-0 Ne4 10.Rc1 Nc3 11.Bc3 Re8 12.cd5 cd5 13.Qb3 Nf6 14.Bb2 Qb6 15.Ba3 Rec8 16.b5 Bf8 17.Ne5 Be6 18.Bc5 Qd8 19.a4 Nd7 20.Nd7 Qd7 21.a5 Qd8 22.b6 a6 23.Bf3 Qd7 24.Rc3 Rc6 25.Rfc1 Rac8 26.h3 h5 27.Qa2 Rb8 28.Bd1 Qd8 29.Qa3 Rcc8 30.Ba4 Bd7 31.Bd7 Qd7 32.Bb4 e6 33.Rc7 Bb4 34.Qb4 (34.Rd7 Ba3 35.Rc8 Rc8 36.Rb7 Bb4–/+) 34...Qd8?? (better is 34...Qe8+–) 35.Qc5 (35.Qc5 Qc7 36.bc7+– (36.Qc7?! Rc7 37.Rc7 Kg7+/–)) 1–0. Hansen,Pal Andreas (2055) – Homolka,Vincent (1855), London ENG, 3rd Classic Open, 2011. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bf5)

9.0-0 Ne4 10.cd5 Nc3 11.Bc3 cd5 12.Qb3 Nb6 13.a4 Rc8 14.Rac1 Nc4 15.Rfd1 Nd6 (15...Qd6 16.a5=) 16.b5 (16.Qd5 Be6 17.Qa5 Bb3+=) 16...Ne4 17.Bb4 Qd7 (17...Rc1 18.Rc1 Re8 19.a5+=) 18.Qa3 Bf6 (18...Rfe8 19.Rc8 Qc8 20.Rc1+=) 19.Ne5+/– Qd8 20.a5 Re8 21.a6 b6 (21...ba6 22.f3 Ng5 23.Nc6+/–) 22.Rc8 Bc8 23.Nc6 Qd7 24.Rc1 Kf8 25.h3 Bh4+/– 26.f3 Ng3 27.Bd3 Qe6 28.Ne5 Bd7 29.Rc7 Rd8 30.Qc3 Ke8 31.Ra7 f6 32.Rd7 fe5 33.Rd8 Kd8 34.a7 (34.a7 Ke8 35.a8Q Kf7 36.Qcc6+–) 1–0. Costa,Pa (2175) – Ganduulga,Dagii, 7th WUCC Men, Ulaanbaatar MON, 2002.

9.0-0 Nd7 10.Qb3 Nc3 11.Bc3 dc4 12.Bc4 Nb6 13.Be2 Qd5 14.Qd1 Rad8 15.Re1 Nd7 16.Nd2 e5?? (better is 16...Nb6=) 17.e4+– Qd6 (17...Be4 18.Bc4) 18.Nc4 Qc7 19.ef5 ed4 20.Bb2 b5 21.Na5 d3 22.Bg7 de2 23.Qd4 c5 24.Qc3 Rfe8 25.Bh6 (25.fg6 fg6 26.Bd4 Ne5 27.bc5 Rd4 28.Qd4 Qa5+–) 25...f6 (25...Qe5 26.Qe5 Ne5 27.Be3 (27.bc5?! Nd3 28.f3 gf5+=) 27...cb4 28.fg6 hg6 29.Re2+–) 26.bc5 b4 (26...Nc5 27.Rac1 Rd5+–) 27.Qc4 Kh8 28.Qf7 Rg8 29.Re2 Qc6 (29...Rdf8 30.Bf8 Rf8+–) 30.Qd5 (30.Re7 Qg2 31.Kg2 Nf8 32.Qf6 Rg7 33.Qg7) 30...Qc7 1–0. Baramidze,D (2545) – Georgiev,Ki (2675), 7th ch–Euro t/b, Kusadasi TUR, 2006.

9.0-0 Nd7 10.Rc1 Nc3 11.Bc3 Nf6 12.Qb3 Ne4 13.Bb2 Re8 14.Rfd1 a6 15.a4 Be6 16.b5 ab5 17.ab5 Nd6 18.c5 Nc4 19.Ra1 Qd7 20.Bc3 cb5 21.h3 Reb8 22.Rdb1 Ra1 23.Ra1 b6 24.cb6 h6 25.Ra7 Qc6 26.Re7 Qb6 27.Qa2 (better is 27.Bb4!? Bf8 28.Bc5+=) 27...b4–+ 28.Bb2 Bf8 (28...Bf8 29.Re6 Qe6–+ (29...fe6?! 30.Bc4 dc4 31.Qc4=)) 0–1. Hummel,Dirk (2265) – Belov,Vladimir (2560), Canarias en Red prel 4th blitz, 2004. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5 8.Be2 Ne4)

9.Ne4 Be4 10.0-0 a5 11.b5 dc4 12.Bc4 c5 (12...cb5 13.Bb5 Qd5 14.Bd3=) 13.Qe2 cd4 14.Nd4 e5 15.Nb3 a4 16.Nc5 a3 (16...Bd5 17.Ba3 Bc4 18.Qc4+/–) 17.Bc3 (17.Ne4 ab2 18.Qb2 Nd7+–) 17...Bf5 18.e4 (18.Nb7?! Qc7 19.e4 Bc8=) 18...Bc8 19.Rfd1 Qc7 20.Bb4 b6 21.Nb3 Re8 22.Rac1 Ra4? (22...Bh6 23.Rc3 Qa7+–) 23.Bd6 Qa7 24.Bd5 Bb7 25.Bf7! Kf7 26.Rc7 Kg8 27.Qf3 (27.Qf3 Bd5 28.Ra7 Ra7 29.ed5+–) 1–0. Popov,Nikolay – Alterman,Vladimir I, MDA–ch Moldova, 1983.

10.Bc3 dc4 11.Bc4 Nd7 12.Bd3=.

10.Bc3 Nd7 11.a4 dc4 12.Bc4 c5 (12...Nb6 13.Bd3=) 13.bc5 Nc5 14.Bb4 Ne4 15.Qb3 Rc8 16.Rfc1 a5 17.Ba3 Bg4 (17...Rc7!?+=) 18.Qb7+/- Bf3 (18...Nd6 19.Bd6 Qd6 20.Ng5+/-) 19.gf3+- Rc4? (better 19...Nd6 20.Bd6 ed6 21.Bf7 Kh8 22.Rc8 Qc8 23.Qc8 Rc8+-) 20.Rc4 (20.fe4?! Rc1 21.Rc1 Bf6+-; 20.Qe4?! Rc1 21.Rc1 Re8+/-) 20...Nd6 21.Bd6 ed6 (21...Qd6 22.Qc7 Qd5 23.Kg2+-) 22.Qd5 Re8 23.Rac1 h5 (23...Bf8 24.Rc7 Qf6 25.Kg2+- (25.Qa5?! Qf3 26.Qb5 Re4+-)) 24.Rc8! Qc8 25.Rc8 Rc8 26.Qa5 1-0. Bryzgalin,K (2435) - Vykouk,Jan (2450), 30th Czech Rapid G1, 2019. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.c4 c6 7.Nc3 Bf5)

10.Bc3 Nd7 11.a4 Re8 12.Qb3 Nb6 13.Nd2 dc4= (13...Qc7 14.a5 Nc4 15.Nc4 dc4) 14.Nc4 Be6 (14...Qc7 15.Ne5 Nd5) 15.Rac1 (15.a5 Nc4 16.Bc4 Bc4 17.Qc4 Qd5=; 15.e4 Qc7) 15...Nc4 (15...Bd5 16.a5 Nc4 17.Bc4=; 15...Qd5=) 16.Bc4 Bc4 17.Qc4 Qd5 18.Bb2 (18.Qd5 cd5 19.Bb2 Rac8=) 18...Qc4 (18...a5 19.Qd5 cd5 20.b5+=) 19.Rc4 e5 20.de5 Be5 21.Be5 Re5 22.Rd1 (22.a5 Rd8=) 22...Kf8 23.Rd7 Re7= 24.Rdd4 h5 25.Kf1 a5= 26.Rc5 ab4 27.Rb4 Ke8 28.Ke2 Kd8 29.a5 Kc7 30.Rf4 Kd6 31.Rg5 Rc7 32.Rd4 Ke7 33.Re5+= Kf6 34.Rc5 Ke6 35.Kd3 Rd7 36.Kc4 Rd4 37.ed4+= Kd6 38.Kd3 Re8= 39.Rc1 Ra8 40.Rc5 Re8 41.Rc1 Kc7 42.h4 Rd8 43.f3 Rd5 44.Rc5 Kd6–/+ 45.Rc1 Ra5–+ 46.Rb1 b5 47.Ke4 Ra4 48.Rc1 Rc4 49.Rb1 b4 0–1. Eljanov,P (2655) – Petrosian,TL (2555), VII Dos Hermanas Internet, 2006.

10.Bc3 Nd7 11.Rc1 Bg4 12.cd5 cd5 13.Qb3 Nb6 14.b5 Qd7 15.Bb4 Rfc8 16.Rc5 e6 17.Rfc1 Bf3 18.gf3 (18.Bf3 Bf8 19.Rc8 Rc8+=) 18...Bf8 19.R5c3 Qd8 20.Bf8 Qf8 21.a4 Rc3 22.Rc3 Rc8 23.a5 Nd7 24.Qc2 Rc3 25.Qc3 Qd8 26.a6 b6 (26...ba6 27.ba6 Nb6 28.f4=) 27.Qc6+= Nf6 (27...Nf8 28.Qb7 Qd7 29.f4+=) 28.Qb7 Qd7 29.Qb8 Kg7 30.h4 (30.Bd3 Qe7+=) 30...h5 (30...h6 31.Bd3=) 31.Kg2 Ne8 32.Qb7 Qc7 33.Bd3 Kf8 34.e4 (34.Qc7 Nc7 35.e4 f6=) 34...de4 35.fe4 Qf4 36.Be2 ½–½. Popilski,G (2450) – Bok,B (2445), BDO Premier, Haarlem NED, 2010.

10.Bc3 Nd7 11.cd5 cd5 12.Qb3 Nf6 13.Rfc1 Ne4 14.Be1 g5 15.Ne5 e6 16.b5 f6 17.Nd3 Rf7 18.f3 Nd6 19.Nc5 b6 20.Na6 Bg6 21.Rc6 Rd7 22.Rac1 Bf7 23.Bg3 Nf5 24.Nc7 Ng3 25.hg3 Rb8 26.Ne6 Be6 27.Re6 Rd6 28.Rd6 Qd6 29.Kf2 Rd8 30.Bd3 Qe6 31.Rc6 Rd6 (31...Qd7 32.Qc2 h5 33.Bf5+–) 32.Qc2 (32.Qc2 Qe7 33.Bh7 Kf8 34.Bf5 Rc6 35.Qc6+–) 1–0. Petkov,Vladimir (2425) – Padeiro,Jose Joao Tato (2280), Burgas op, 2009. (=1.Nf3 Nf6 2.c4 c6 3.Nc3 d5 4.e3 g6 5.b4 Bg7 6.d4 0-0 7.Bb2 Bf5 8.Be2 Ne4)

10.Bc3 Bg4 11.Qb3 dc4 12.Qc4 Nd7 13.h3 Bf3 14.Bf3 (worse is 14.gf3 Nb6 15.Qb3 Nd5+=) 14...e5 15.Rad1 Qc7 (15...Qh4 16.b5 ed4 A) worse is 17.bc6 Ne5 18.Rd4 Qd4 (18...Nc4? 19.Rh4 b5 20.Bg7 Kg7 21.Be2+–; 18...Nf3?! 19.gf3 Bd4 20.cb7–/+) 19.Bd4 Nc4 20.cb7 Rab8 21.Ba7 Nd2 22.Bb8 Rb8+=; B) 17.Bd4+=) 16.de5 Ne5 17.Be5 Be5 18.b5 Rad8 (18...Rac8 19.bc6 bc6 20.Rd2+=) 19.bc6+/– bc6 20.Qc6 Rd1 21.Rd1 Rd8 (21...Qc6 22.Bc6 Rc8 23.Bd5+/–) 22.Rd8 Qd8 23.g3 Kg7 24.Kg2 Qc7 25.Qe4 Qc5 26.h4 h5 27.Bd1 Bc7 (27...a5 28.Bb3+/–) 28.Bb3 Be5 29.Qb7 Bc7 30.Qf3 Qf5 (30...Qe7 31.Qc6+/–) 31.Qc6 (31.Qf5 gf5 32.Bd5 Bd6+–) 31...Ba5 32.e4 Qf6 33.Qd5 Bb6 34.f4 White plans e5 34...Qe7 35.e5 a5 36.Kf3 Bc5 37.Qe4 Bb4 (37...Qd7 38.e6 Qb5 39.Kg2+–) 38.Qc6+– Be1 39.Qb6 Bb4 40.Bd5 Be1 (better is 40...a4+–) 41.a3 Qd7? (41...Qa3 42.Ke2 Combination) 42.Qf6+– Kf8 43.Qd6 Qe7 44.Bc4 Bc3 45.Ke2 Qd6 46.ed6 Bd4 47.Kf3 f5 48.a4 Bc5 49.d7 Bb6 50.Ke2 Ke7 51.Bb3 Kf8 52.Kd3 (better is 52.Ke1+/–) 52...Ke7= 53.Ke2 Kf8 (53...Kd7? 54.Bf7+–) 54.Be6 Ke7 55.Bd5 Kf8 ½–½. Kotanjian,Tigran (2570) – Guseinov,Gadir (2625), 9th EICC, 2008. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bf5 8.Be2 Ne4)

8.a4 a5 9.b5 dc4 (9...h6 10.h3 Bf5 11.Rc1=) 10.Bc4+= Qb6 (10...Qd6 11.Ba3 Qd8 12.Rc1+=) 11.Ba3 Nfd7 (11...Qc7 12.Rc1+=) 12.Ne4 (better is 12.Be7 Re8 13.Bg5+/–) 12...Re8? (12...cb5 13.Bb5 Qe6+/–) 13.Bf7!+– Kf7 14.Nfg5 (14.Qb3!? e6 15.Nd6 Kg8 16.Ne8 cb5 17.Qb5 Qb5 18.ab5 Bf3 19.gf3 Ra7+–) 14...Kg8+/– 15.Qg4 cb5 16.ab5 e5 (better is 16...Nf8 17.Qf3 Qb5 18.Qf7 Kh8 19.Be7 Nbd7+–) 17.Nd6 Nf6 18.Qh3 ed4?? (18...Nbd7 19.d5! Re7+–) 19.Ne8 h6 (19...Nbd7 20.Ng7 Kg7 21.Ne6 Kg8 22.Nd4+–) 20.Nf6 Qf6 (20...Bf6 21.Qc8 Bd8 22.Ne6 de3 23.Qd8 Qd8 24.Nd8+–) 21.Qc8 (21...Bf8 22.Qb7 hg5 23.Qa8 de3 24.Ra2 (24.Qb8?? Qf2 25.Kd1 Qd2) 24...Qc3 25.Ke2 Qc4 26.Ke3 Qb3 27.Kd4 Bg7 28.Kc5 Bf8 29.Kb6 Qa2 30.Bf8 (< 30.Qb8 Qa3 31.Qe8 Kh7+–) 30...Nd7 31.Ka6 Nf8 32.Rd1+–) 1–0. Zylla,Johannes – Van Elst,Andreas (2185), BSF–VM D–Turnier, 1995.

8.a4 Qb6 9.Ba3=.

8.a4 Nbd7 9.h3 (9.cd5 Nd5 10.Nd5 cd5=) 9...Bf3 10.Qf3 e5 11.cd5 ed4 12.ed4 Nd5 13.Nd5 cd5 14.Be2 Re8 15.0-0 Qe7 16.Bb5 a6 (worse is 16...Qb4 17.Ba3 Qa5 18.Bd7+/–) 17.Bd7 Qd7 18.Qd3 Rac8 19.b5 Rc4 20.Qb3 Rec8 (worse is 20...Bd4 21.Rad1 Re4 22.Rd4 Rcd4 23.Bd4 Rd4 24.ba6 Qa4 25.Qb7+/–) 21.Rad1 Bf8 22.Bc1 Rb4 23.Qf3 Ra4 24.ba6 Ra6 25.Bf4 Ra3 26.Rd3 Rd3 27.Qd3 b5 28.Be5 Bg7 29.Bg7 Kg7 30.Rb1 Rc4 31.Qe3 Qc7 32.Qe1 b4 33.g3 b3 34.Kg2–/+ Qb8 35.Qe3 b2 36.h4 Rb4 37.h5 Qd6 38.h6 Kf8 39.Qa3= Rb6 40.Qd6 Rd6 41.Rb2 g5 42.Rb8 Ke7 43.Rg8 Kf6 44.Rg7 Re6 45.Rh7 Kg6 46.Rg7+/– Kh6 47.Rf7 Re4 48.Rf6 Kg7 49.Rf5 g4 50.Rf4+– 1–0. Rasulov,A – Morozevich,Alexander, Chj–URS Jurmala, 1992. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 c6 6.e3 d5 7.Nc3 Bg4)

8.Qb3 a5 9.b5 Nbd7 10.Na4 Rc8 11.h3 Bf3 12.gf3 dc4 13.Bc4 c5 14.Rd1 cd4 15.Bd4 Qc7 16.Rc1 Qd8 (16...e6 17.b6 Qd6 18.f4=) 17.Ke2 (17.b6 Ne8 18.Bg7 Kg7=) 17...Ne8 18.Bg7 Kg7 19.Qb2 Kg8 20.Qd4 Nd6 21.Bd3 Nf6 (21...Re8 22.Rhd1=) 22.Qe5 Re8 23.h4 e6 24.Rc8 Nc8 25.Rc1 Nd5 26.h5 Qd6 27.Qd6 Nd6 28.hg6 hg6 29.b6 Rc8 30.Rc8 Nc8 31.Be4 Ncb6 32.Nb6 Nb6 33.Bb7 Kf8 34.Kd3 Ke7 35.Kd4 Kd6 36.f4 f6 37.Be4 f5 38.Bf3 Nd7= 39.Kc4 e5 40.Kb5 ef4 41.ef4 Nf8 42.Ka5 Kc5 43.a4 Ne6 ½–½. Tomashevsky,E (2595) – Mamedyarov,S (2695), XIII TCh–RUS, Sochi RUS, 2006.

8.Qb3 a5 9.Ne5 Be6 10.b5 Ne4 (10...cb5 11.Qb5 Nc6 12.Rc1+= (worse is 12.Qb7 Ne5 13.de5 Rb8–/+)) 11.cd5 (11.bc6 Be5 12.cb7+/– (worse is 12.de5 dc4 13.Qc2 Nc3 14.cb7 Ra7 15.Bc3 Rb7+=)) 11...a4 12.Qa3 Bd5 13.Ne4 Be4 14.f3 Bd5 15.Kf2 Nd7 16.Nd7 Qd7 17.bc6 bc6 18.Be2 Rfb8 19.Rhb1 Qe6 20.Rc1 f5 21.Bc3 g5 22.Rc2 g4 23.Rac1 Qh6 24.h3 g3! 25.Kg3 Qe3 26.Kh2 Bd4 27.Rd1 Bc3 28.Qc3 Qc3 29.Rc3 Ba2 30.Ra1 Bd5 31.Rca3 Bb3 32.g4 Kg7 33.gf5 c5 34.Rc1 Ra5 35.Kg3 Kf6 36.Kf4 c4 37.Ke3 Re5 38.Kf2 Rf5 39.Bc4 Rc5 40.Bb3 Rc1 41.Ba4 Ra8 0–1. Rezan,S (2420) – Bosiocic,Mari (2560), 17th Open A Zadar CRO, 2010.

8.Qb3 a6 9.Ne5 (9.Rc1 Bf5=) 9...Be6= 10.Be2 b5 (10...Nbd7 11.0-0=) 11.cb5+= ab5 12.a4 (12.0-0 Ne4 13.Qc2 Qd6=) 12...ba4 (12...Ne4 13.Nd3 (worse is 13.ab5 Ra1 14.Ba1 Be5 15.Ne4 de4+=) 13...ba4 14.Ra4 Ra4 15.Na4+=) 13.Na4 (13.Ra4 Ra4 14.Qa4 Qc7+=) 13...Nfd7 (13...Qd6 14.0-0+=) 14.Nd3 Bf5 (14...Nb6 15.Nf4+/–) 15.0-0 Bd3 (15...Na6!?+=) 16.Bd3+/– e5 (16...Nf6+/–) 17.de5 (better is 17.b5!?+–) 17...Ne5+= 18.Be2 Qh4 (18...Na6 19.Rfc1+=) 19.b5 (19.g3 Qh3+/–) 19...cb5 20.Qb5 (20.Nb6 Ra1 21.Ba1 Ng4 22.Bg4 Qg4 23.Bg7 Kg7 24.Qb5 Rd8+=) 20...Nbc6+= 21.f4 (21.Nb6 Ra1 22.Ra1 d4=) 21...Rfb8 (21...Ra5!? 22.Qb3 Rb8=) 22.Qd5+/– Nb4 (22...Ra5 23.Qe4 Ra4 24.Ra4 Rb2 25.g3+–) 23.Qe4 (23.Qd2 Ng4 24.Bg4 Bb2 (24...Qg4? 25.Bg7 Kg7 26.Rfb1+–) 25.Nb2 Ra1 26.Ra1 Qg4+/–) 23...f5 (23...Ng4 24.Bg4 Bb2 25.Nb2 Ra1 26.Ra1 Qg4 27.Ra8+/–) 24.Qb1 Ng4 25.Bg4 Qg4? (25...Bb2 26.Qb2 fg4+/– (26...Qg4?? 27.Nb6 Ra1 28.Ra1+–)) 26.Bg7+– Kg7 27.Nc5 Ra1 1–0. Jaracz,Pawel (2465) – Licznerski,Lukasz (2265), European Blitz, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Nc3 d5 7.d4 Bg4)

8.Qb3 dc4 9.Qc4 b5 10.Qb3 a5 11.a3 Be6 12.Qd1 ab4 13.ab4 Na6 14.Ba3 Nd5 15.Nd5 Bd5 16.Be2 e5 17.de5 Bf3 18.Bf3 Be5 19.Rb1 Qd1 20.Kd1 Nc7 21.Rb3 Nd5 22.Ke2 Rfd8 23.Rc1 Ra3 24.Ra3 Bb2 25.Raa1 Ba1 26.Bd5 Rd5 27.Ra1 c5 28.bc5 Rc5 29.Ra8 Kg7 30.Kd3 Rc1 31.Rb8 Rd1 ½–½. Carson,Tarik – dos Santos,Marcos Antonio, corr ICCF EM/M/A063 ICCF Email, 1999. (=1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Qb3 dc4 9.Bc4 b5 10.Be2 a5 11.ba5 Qa5 12.a3 Nbd7 13.0-0 e6 14.Rfc1 Rfc8 15.h3 Bf3 16.Bf3 Nd5 17.Ne4 Bf8 18.Nc5 (18.Ng3 N7b6=) 18...Nc5 19.dc5 Bg7 (19...Rd8 20.Rd1=) 20.e4 Bb2 21.Qb2 Nc7 22.h4 (22.Rd1 Na6 23.Rac1 Nc7+=) 22...Na6 (22...Rd8 23.h5=) 23.h5+= Qd8 24.Qc3 (24.hg6 hg6 25.e5 Qh4+=) 24...Qg5 The isolani on c5 becomes a target (24...gh5 25.e5+=) 25.e5 Nc7 (better 25...Nb8!? 26.hg6 hg6+=) 26.Bc6+/- Ra4 27.hg6 hg6 28.Bb7 (28.Qe1 Rd8+/-) 28...Rb8 29.Bf3 Kg7 (29...Rd8 30.c6+/-) 30.Rab1 Rf4 (30...Rh8 31.g3+/-) 31.g3 (31.Qe3 Rh8 32.g3 Rf5 33.Qg5 Rg5+-) 31...Rc4+/- 32.Qe1 Ra4 33.Rc3 Rd8 34.Rb4 Rd4 35.Ra4 Ra4 36.c6 Qd8 37.Qe3 Rd4 38.Kg2 Rd2 (38...f5 39.ef6! Qf6 40.Rc5+-) 39.Be4 Qd4 40.Qd4 Rd4 41.Kf3 Ra4 42.Bc2 Ra8 43.Be4 Ra4 44.Ke3 Kf8 45.Rd3 Na6 46.Rd8 (46.f4!? Rc4+-) 46...Ke7 47.Rd7 Ke8 48.Rb7 Ra3 49.Kf4 b4 50.Kg5 b3 (50...Nc5 51.Rb8 Ke7 52.Bg2+-) 51.Rb8! Ke7 (51...Nb8 52.c7 Double attack (52.c7 Decoy; 52.c7 Passed pawn)) 52.f3 Ra5 53.Rb7 Kd8 54.Rb3 (54.Rf7 Re5 55.Kf6 Re4 56.fe4 Nc5 57.Kg6 b2+/-) 54...Nc5 55.Rb4 Ra3 56.g4 Ne4 (56...Rc3 57.Kf6 Ne4 58.fe4 (58.Re4?! Rf3 59.Kg5 Kc7+/-) 58...Rf3 59.Kg7+-) 57.fe4 Rf3 (57...Kc7 58.Rb7 Kc6 59.Rf7+-) 58.Rb7 Kc8 59.Rd7 Rf1 60.Kh6 Rf4 61.g5 Rh4 62.Kg7 Rg4 (62...Re4 63.Rf7 Re5 64.Kg6+-) 63.Kf7 Rg5 64.Ke6 Rg1 65.Kf7 Rf1 66.Ke8 (66.Kg6 Rg1 67.Kf7 Rf1 68.Ke7 Re1+-) 66...Rf4 (66...g5 67.Rg7+-) 67.e6 g5 68.Rg7 (68.Ke7 Re4 69.Kd6 Re1+-) 68...g4 69.e5 1-0. Suleymanli,Aydin (2535) - Gadimbayli,Abdulla (2470), 75th ch-AZE Prelim, 2021. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Bg4)

8.Qb3 dc4 9.Bc4 b5 10.Be2 Nbd7 11.0-0 Nb6 12.Ne5 Be6 13.Qc2 (worse is 13.Nc6 Qd6 14.d5 Nbd5–/+) 13...Qd6 14.a3 Rac8 15.Rac1 a6 16.Rfd1 Qb8 17.Nb1 Bd5 18.Nd2 Nfd7 19.Nd7 Nd7 20.e4 Be6 21.Qd3 c5 22.Qe3 cd4 23.Bd4 Bd4 24.Qd4 Nb6 25.Nf1 Bc4 26.Bg4 Rcd8 27.Qc5 e6 28.Ne3 Nd7 29.Qd6 Ne5 30.Qb8 Rb8 31.Rd6 Ra8 32.f4 Ng4 33.Ng4+= a5 34.Ne5 ab4 35.ab4 Ra4 36.Rb1 Ra2 37.Rbd1 Rb2 38.Nc6 Kg7 39.R1d2 Rb1 40.Kf2 Ra8 41.g3 Rf1 42.Kg2 Re1 43.R6d4 Rb1 44.Ne5 Ra7 45.Rd7 Rd7+= 46.Rd7 Rb4 47.Rf7 Kg8 48.Rb7 Rb2 49.Kg1 Be2 50.g4 Rc2 51.g5 Rb2 52.Rb6 b4 53.Re6+– b3?? 54.Re8 Kg7 55.f5 gf5 56.ef5 Rb1 57.Kg2 (57.Kg2 Rf1 58.f6 Rf6 59.gf6 Kf6 60.Nd7 Kf5 61.Re2+–) 1–0. Shatskes,Boris A – Li Zhongjian, CHN–URS friendly, 1965. (=1.Nf3 Nf6 2.c4 g6 3.d4 d5 4.Nc3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Qb3 Be6 9.a4 dc4 10.Bc4 Bc4 11.Qc4 Nbd7 12.0-0 Nb6 13.Qb3 Nbd5 14.b5 Rc8 15.bc6 Rc6 16.a5 (worse is 16.Qb7 Rb6 17.Qa7 Rb2 18.Nd5 Nd5–/+) 16...Nc3 17.Bc3 Qd5 18.Qd5 Nd5 19.Bd2 Nc3 20.Bc3 Rc3 21.Rfb1 Rfc8 22.Kf1 R8c7 23.Ra2 Rc1 24.Rc1 Rc1 25.Ke2 e6 26.Rb2 Rc7 27.g4 h6 28.h4 Kf8 29.g5 hg5 30.hg5 Ke8 31.Nd2 Bf8 32.Kd3 Kd8 33.f4 Kc8 34.Rb1 Be7 35.Nc4 Bd8 (better is 35...Kd7!?+/–) 36.Rh1+– Re7 37.Rh8 Rd7 (37...b6 38.ab6 ab6 39.Ne5+–) 38.Rf8 Kc7 39.Ne5 Rd5 40.Rf7 Kc8 41.a6 ba6 42.Ra7 a5 (42...Bc7 43.Ng6 Ra5 44.Nf8+–) 43.Ng6 Kb8 44.Rh7 a4 45.Ne5 a3 46.Nc6 Kc8 47.Ra7 1–0. Heinbuch,Detlef (2380) – Pernutz,Hans Gerhard (2205), BL2–West, 1999. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Qb3 Be6 9.c5 Ne4 10.Qc2 Nc3 11.Bc3 Bf5 12.Bd3 Bd3 13.Qd3 Nd7 14.0-0 Qc7 15.Kh1 e5 16.de5 Ne5 17.Qd4 f6 18.Nd2 Rfe8 19.h3 Re7 20.f4 Nf7 21.e4 Rd8 22.ed5 Rd5 23.Qc4 Re3 24.Rae1 Rdd3 25.Re3 Re3 26.Bd4 Re8 27.Qc3 Nh6 28.g4 (better is 28.Bf6!? Bf6 29.Qf6+=) 28...Qf7= 29.Qc4 Rd8 30.Qf7 Nf7 31.Nb3 f5 32.Bg7 Kg7 33.g5 Rd3 34.Kg2 Nd8 35.Rf3 Rd1 36.Kf2 Ne6 37.Na5 Rd2 38.Kg3 Rd7 39.Re3 Nd4 40.a3 h6 41.h4 hg5 42.hg5 Nc2 43.Rc3 Nd4 44.Kf2 Ne6 45.Rf3 Nd8 46.Re3 b6 47.Nc4 bc5 48.bc5 Nb7 49.Ne5 Rd4 50.Kf3 Nc5 51.Nc6 Rd7 52.Ne5 Rb7 53.Rc3 Nd7 54.Ke3 Ne5 55.fe5 Kf7 56.Kf4 Rd7 57.Rc4 Re7 58.Ra4 Rc7 59.Rd4 Rc6 60.Rd7 Ke6 61.Ra7 Rc4 62.Ke3 Ke5 63.Re7 Kd5 64.Rg7 ½–½. Chandler,Patrick (2105) – Heinz,Thomas (2080), Regionalliga NW, 2006. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.Nc3 0-0 7.d4 Bg4)

8.Rc1 Nbd7 9.cd5 cd5 10.Na4 (10.Qb3 Qb6+=) 10...Ne4 (10...a5 11.b5+=) 11.Qb3= Bf3 (11...e6 12.Bd3=) 12.gf3+= Nef6 13.Nc5 b6 14.Na6 Rc8 15.Rc8 Qc8 16.Bb5 Nb8 17.Nb8 Qb8 18.0-0 Rc8 19.Rc1 Rc1 20.Bc1 Qc8 21.Bd2 Bf8 ½–½. Murdzia,P (2405) – Rosko,L (2355), TCh–CZE Extraliga, 2015. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Rc1 Nbd7 9.cd5 cd5 10.Be2 Nb6 11.0-0 Ne8 12.Qb3 Nd6 13.b5 (worse 13.Nd5 Be6 14.Nb6 Bb3 15.Na8 Ba2-/+ (15...Qa8?! 16.ab3 Rc8 17.Rfd1=)) 13...Ndc4 14.Rfd1 Qd6 15.h3 Bf3 16.Bf3 (worse 16.gf3 Rfc8=+) 16...e6 17.e4 Nb2 18.Qb2 Bh6 19.Rc2 Rac8 20.ed5 ed5 21.a4 Nc4 22.Qa1 Nb6 23.Qa2 Qb4 24.Nd5 Nd5 25.Rc8 Rc8 26.Qd5 Rc1 27.Rc1 (27.Qb7? Rd1 28.Bd1 Qe1 29.Kh2 Bf4 (29...Qd1 30.Qb8 Bf8 31.Qa7-/+) 30.g3 Qf2 31.Qg2 Bg3 32.Kh1 Qd4-/+) 27...Bc1 28.g3 (28.Qb7 Qe1 29.Kh2 Bf4 30.g3 Qf2 31.Kh1 Bg3 32.Qa8 Kg7 33.Qh8 Kh8 34.Bg2 Qe1 35.Bf1 Qf1) 28...Bb2 Attacks the isolani on d4 (worse 28...Qa4 29.Qb7 Kg7 30.Bd5 Qd4 31.Qf7 Kh6 32.Qf8 Qg7 33.Qc5+-) 29.Qb7 Qe1 30.Kg2 Bd4 31.Qc8 Kg7 32.Qc2 Qc3 33.Qc3 (33.Qe2 Qb2+=) 33...Bc3= 34.Bd5 f5 35.f4 Kf6 36.h4 h6 37.Bc6 g5 38.fg5 hg5 39.h5 g4 40.Bd7 Bd2 41.Kf2 f4? (better 41...Kg5=) 42.gf4+/- Bf4 43.Bg4 Bc7 44.Ke3 Bb6 45.Ke4 Kg7 46.Kd5 Kh8 47.Kc6 Kg7 48.Kb7 Kh8 49.Ka6 Kg7 50.a5 Bf2 51.Kb7 Be3 52.Bf3 Kh6 53.Bg4 Bf2 (53...Kg7 54.Kc6+/-) 54.Bf3 Be3 55.Bg4 Bf2 (55...Kg7 56.Kc6 Kf6+/-) 56.Bf3 (better 56.Bd1+/-) 56…Be3= ½-½. Rezan,S (2420) - Djukic,Ni (2570), 25th Zadar Open A, 2018. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Rc1 Ne4 9.Qb3 Bf3 10.gf3 Nc3 11.Bc3 e6 12.a4 Nd7 13.f4 Nf6 14.Bg2 Rc8 15.0-0 dc4 16.Qc4 Nd5 17.Bd2 Qd7 18.Rfd1 Rfd8 19.Qb3 Ne7 20.Be1 Qd6 21.b5 Nd5 22.bc6 bc6 23.Qb7 Rc7 24.Qa6 Bf8? (better is 24...Rb8!?+=) 25.Ba5+– Nb6 26.Bb6 ab6 27.Qb6 Rdc8 (27...c5 28.a5+–) 28.a5 c5? (28...Be7+–) 29.dc5 Qb6 30.ab6 (30.cb6? Rc1 31.Rf1 Rf1 32.Bf1 Bc5–+) 30...Rc5 31.Rc5 Rc5 (31...Bc5 32.Rc1 Rb8 33.Rc5 Rb6+–) 32.b7 Rb5 33.Bc6 Rb6 34.Rd8 1–0. Vechet,S (2165) – Zuziak,Petr (1985), Brno Chess Open, 2015. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Rc1 e6 9.Bd3 Nbd7 10.cd5 cd5 11.0-0 Nb6 12.h3 Bf3 13.Qf3 (worse is 13.gf3 Rc8+=) 13...Qe7 14.a3 Rfc8 15.Qe2 Nc4 16.Nb1 b5 17.Bc3 a6 18.Qa2 Nd7 19.Nd2 Nd2 20.Bd2 Nb6 21.Bc3 Rc6 22.Rc2 Rac8 23.Rfc1 Nc4 24.Bc4 bc4 25.Rb1 Rb6 26.Rcb2 Rcb8 27.a4 Bf8 28.g3 Qd7 29.Kg2 Bd6 30.Qa1 Qe7 31.b5 ab5 32.Rb5 Rb5 33.Rb5 Ra8 34.a5 ½–½. Stimpel,Franz (2255) – Niebling,Ferdinand, Hofheim Seniors, 1995. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 Bg4 7.Bb2 c6)

8.c5 a5 9.a3 Nbd7 10.ba5? (better is 10.Be2!?=) 10...Ne4–/+ 11.Be2 (11.h3 Bf5–/+) 11...Qa5–+ 12.Qc2 Ndc5! 13.0-0 (13.dc5 Bc3 Double attack (13...Bc3 Pinning; 13...Bc3 Deflection; 13...Bc3 Decoy)) 13...Na4 14.Ne4 de4 15.Ne1 (15.Ne5 Be2 (15...Nb2?! 16.Bg4 Na4 17.Nc4–+) 16.Qe2 Be5 (16...Nb2?! 17.Qb2 Ra7 18.Nc4–/+) 17.de5 Rfd8–+) 15...Be2 16.Qe2 Qb6 17.Rb1 (17.Ra2 Qb3 18.Ba1 Rfd8–+) 17...Nc3!! 18.Qc2 (18.Bc3 Qb1 Pinning (18...Qb1 Deflection)) 18...Nb1 19.Qb1 Ra3! 20.Nc2 (20.Ba3 Qb1 Pinning (20...Qb1 Deflection)) 20...Rb3 21.Na3 (21.Ne1 Rb2 22.Qe4 Ra8–+) 21...Rb2 22.Qe4 (22.Qc1 Qb3 23.Nb1 Rc2–+) 22...Qb3 23.Nb1 f5 24.Qe7 Rb1 (24...Rb1 25.g3 Bf6–+) 0–1. eddiet (2410) – jpost (2830), net–chess.com, 2015. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Bg4)

8.c5 Nbd7 9.h3 (9.Be2 Bf3 10.Bf3 e5=) 9...Bf3 10.gf3 a5 11.a3 (11.b5 e5 12.Na4 Qe7=) 11...ab4 12.ab4 Ra1 13.Ba1 e5 14.de5 Ne5 15.f4 Ned7 16.h4 Re8 (16...Qe7 17.f5=+) 17.Be2 Nf8 (17...b6 18.cb6 Qb6 19.b5=+) 18.h5= N6d7 (18...d4 19.h6 (worse 19.Qd4 Qd4 20.ed4 Nh5-/+) 19...Bh8 20.Qd4 Qd4 21.ed4=+) 19.hg6 fg6 20.Bd3 Qf6 21.Kd2 b6 22.cb6 Nb6 23.Qg4 White prepares the advance f5 (better 23.Nd5 Qa1 24.Qa1 Ba1 25.Nb6+/-) 23...Nc4=+ 24.Kc2 (24.Ke2 Ra8 25.Na4 Qf7 26.Bg7 Qg7-/+ (26...Ra4 27.Bf8 Ra2 28.Kf1 Ra1 29.Kg2 Rh1 30.Bc5+/-)) 24...Qe7 (better 24...Re3 25.Nb5 Qe7 26.Bc4 Qe4 (26...dc4?! 27.fe3 Qe4 28.Kd2-+) 27.Kd2 Qh1 (27...dc4?! 28.fe3 Qh1 29.Bg7 cb5 30.Bd4-+; 27...cb5?! 28.fe3 Qh1 29.Bg7 dc4 30.Bf8 Qd5 31.Ke1 Kf8 32.Qc8 Ke7 33.Qc7 Qd7 34.Qe5 Kf7 35.Qh8-+) 28.fe3 Qa1 (28...dc4?! 29.Bg7 cb5 30.Bf8 Qd5 31.Ke2 Kf8 32.Qg3-+; worse 28...Ba1 29.Qd1 Qd1 30.Kd1-+; 28...cb5?! 29.Bg7 dc4 30.Bd4-+) 29.Bd5 cd5-+) 25.Qh3? (better 25.Bc4 dc4 26.f5 Qb4 27.Rb1=+) 25...Qb4-+ 26.f5?? (26.Bc4 Qc4 (26...dc4?! 27.Rb1 Qd6 28.Qf1-+) 27.Qf1 Qc5-+) 26...Na3 Black plans d4 (better 26...Ra8 27.f6 Bf6 28.Bc4 Ra1 29.Bd5 cd5 30.Ra1 Qc3 31.Kd1 Qd3 32.Kc1 Ba1-+) 27.Kd2 d4 (better 27...Nb5 28.Bb5 Ra8-+ (28...cb5 29.Qf3 Rd8 30.fg6 hg6 31.Qd1-+)) 28.fg6?? (better 28.ed4 Nc4 29.Kc2 Bd4 30.fg6 hg6 31.Qf3-/+) 28...dc3-+ 29.Bc3 (29.Ke2 hg6 30.Rc1-+) 29...Qc3 30.Ke2 hg6 31.Bg6 (31.Qg3-+) 31...Ng6 32.Qh7 (32.Kf1-+) 32…Kf7 0-1. CollectControl - ChesstoLyub (1845), Rated Blitz tournament, lichess.org, 2014. (=1.c4 Nf6 2.Nc3 d5 3.e3 c6 4.d4 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Bg4)

8.Bd3 Nbd7 9.0-0 e5 10.cd5 (worse is 10.de5 Ne5 11.Qe2 Re8–/+) 10...cd5 11.Be2 Bf3 12.Bf3 e4 13.Be2 a6 14.Qb3 Rc8 15.b5 (15.Nd5?! Nd5 16.Qd5 Rc2=) 15...a5 (15...Nb8 16.Rac1+/–) 16.Ba3 Re8 17.Nd5 b6 (better is 17...Nd5!? 18.Qd5 Rc3+/–) 18.Bc4+– Nf8 (18...Ng4 19.h3 Nh6 20.Rac1+–) 19.Nb6 (19.Nf6 Qf6 20.f3 Ne6 21.fe4 Qg5+–) 19...Qb6 20.Bf7 Kh8 21.Be8 Re8 22.Rfc1 N6d7 (22...Qb8 23.Rc6+–) 23.Rc6 Qb7 (23...Qd8 24.Qd5+–) 24.Bd6 (24.Rac1 Rb8 25.Bf8 Nf8+–) 24...Rc8 (24...Ne6+–) 25.Rac1 Rc6 (25...Rd8 26.Rc7 a4 27.Qf7 (worse is 27.Rb7 ab3 28.ab3 Nf6+–) 27...Qb5 28.Be7+–) 26.Rc6 (better is 26.bc6!? Qb3 27.ab3 Nb6+–) 26...Be5 (26...h5+–) 27.de5 (27.de5 h5 28.e6+–) 1–0. huimre (2685) – psoin (2160), net–chess.com, 2007. (=1.d4 d5 2.c4 Nf6 3.e3 g6 4.Nf3 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Bd3 Nbd7 9.cd5 cd5 10.h3 Be6+=.

8.Bd3 Nbd7 9.cd5 cd5 10.h3 Bf3 11.Qf3 Nb6 12.Qe2 Rc8 13.Rc1 Ne8 14.a4 Nc4 15.0-0 e6 16.Nb5 Ned6 17.Na3 Na3 18.Ba3 Qd7 19.b5 Rc1 20.Rc1 Rc8 21.Rc8 Nc8 22.Qc2 Bf8 23.Bf8 Kf8 24.Qc5 Kg7 25.e4 de4 26.Be4 Nd6 27.Bf3 b6 28.Bc6?? (28.Qc3 Qe7+=) 28...Qe7?? (better is 28...bc5 29.Bd7 cd4–/+) 29.Qe5+= f6 30.Qf4 Nf5 31.g4 Qd6 32.Qd6 Nd6 33.Kg2 h5 34.gh5 gh5 35.Kf3 Nc4 36.Be8 h4 37.Kg4 Nb2 38.Kh4 Na4 39.Kg4 Nc3 40.Bc6 Ne2 41.d5 ed5 42.Bd5 Nd4 43.Bc4 Kg6 44.Kf4 Kh5 (44...f5!?+/–) 45.Ke4+– Nc2 46.Kf5 1–0. Bhakti,K (2330) – To,N (2340), FSIM May Budapest HUN, 2011. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.Nc3 Bg4)

8.Bd3 Nbd7 9.Ne2 a5 10.b5 c5 11.Ne5 Ne5 12.de5 Nd7 13.f3 (13.f4 dc4 14.Bc4 Nb6+=) 13...dc4 (13...Be6 14.cd5 Ne5 15.Be5 Be5 16.de6 Ba1 17.ef7 Kf7 18.Nf4+=) 14.Bc4 Be5 15.Rb1 Bb2 16.Rb2 Ne5 17.Rd2 (17.Qc1!? Bd7 18.Rd2+=) 17...Qb6–/+ (worse is 17...Nc4 18.Rd8 Rfd8 19.Qc1+/–) 18.Bd5 Be6 19.Nf4 c4 20.Ke2? (better is 20.Rd4–/+) 20...c3–+ (20...Qb5?! 21.Qb1 Bd7 22.Rb2–/+) 21.Rd4 Qb5 22.Kf2 Bd5 23.Nd5 Qb2 24.Kg3 Nc6 25.Qd3 (25.Rd3 c2 26.Qc1 Qa2–+) 25...c2 26.Rc4 Rfd8 (26...e6 27.Rc2 Qe5 28.Nf4–+) 27.Qe4 (27.e4 Nb4 28.Qc3 Qc3 29.Rc3 Nd5 30.ed5 Rdc8 31.Rc8 Rc8–+) 27...Rd5! (27...Qa2?! 28.Nb6 f5 29.Qc2 Qc2 30.Rc2–+) 28.Qd5 Qb1!! (28...Qa2?! 29.Qe4 Nb4 30.Rc7–+) 29.Qd2 (29.Rb1 cb1Q) 29...Qh1 30.Rc2 Rd8 31.Qc3 Rd1 32.Qb3 Rd3 33.Qb2?? Qe1–+ 34.Kh3 Rd5 35.f4 Qe3 36.g3 Qf3 37.f5 Rf5 38.Rc5 Rc5 39.Qh8 Kh8 40.Kh4 Qh5 0–1. Bugajski,Robert – Jasnikowski,Zbigniew, Poland, 1982. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Bg4)

8.cd5 Nd5 9.Nd5 cd5 10.Be2 Nd7 11.0-0 Bf3 12.Bf3 Nb6 13.Be2 Rc8 14.Rc1 Nc4 15.Bc4 dc4 16.Bc3 Qd5 17.Qa4 a6 18.Qa5 (18.Qc2 f5=) 18...b5 (18...Qa5 19.ba5 Rc7 20.Rfd1=) 19.Ra1 Qb7 20.h3 Bf6 21.Qa3 Rfd8 22.Qb2 Qe4 23.Rfd1 Rd5 24.Qe2 Rcd8 25.f3 Qh4 26.f4 g5 27.Rf1 e6 28.Qf2 Qf2+= 29.Rf2 gf4 30.Rf4 Bg7 31.Raf1 R8d7 32.Re4 Re7 33.g4 h5 34.Kg2 Kf8 35.Kf3 Bh6 36.Re5 Re5 37.de5 hg4 38.hg4 Rd7 39.Bd4 Kg8 40.Ke4 Bf8 41.a3 Rd8 42.Rb1 Kg7 43.Rf1 Be7 44.Rh1 Kg6 45.Kf4 Rc8 46.Bc3 a5 47.Rd1 ab4–/+ 48.ab4 Ra8 49.Rd7 Bf8 50.Rb7 Ra3 51.Bd4 c3 52.Ke4 Bb4 53.Kd3 Ra2 54.Rb5?? c2 (54...c2 55.Rb4 c1Q–+) 0–1. Milosevic,Rad (2100) – Krstic,P (2305), 13th Battle of Senta Open A, Senta SRB, 2009. (=1.Nf3 d5 2.d4 g6 3.c4 c6 4.e3 Bg7 5.Nc3 Nf6 6.b4 0-0 7.Bb2 Bg4)

8.cd5 Nd5 9.Nd5 Qd5 10.Be2 a5 11.Bc3 ab4 12.Bb4 Ra2 13.Ra2 Qa2 14.Be7 Re8 15.Bd6 Qd5 16.Bb8 Rb8 17.0-0 b5 18.h3 Be6 19.Nd2 c5 20.Bf3 (20.dc5!? Qc5 21.Qb1+=) 20...Qa2–/+ 21.Ne4 Bb3 (21...cd4 22.ed4 Bc4 23.Re1–/+) 22.Qd2 (22.Qc1 cd4 23.Qc7 Rf8 24.ed4 Qb2+=) 22...c4 (better is 22...cd4 23.ed4 Qd2 24.Nd2 Ba2–/+) 23.Qa2= Ba2 24.Ra1 Bb3 25.Nc5 Bc2 26.Rc1 Bf5 27.g4 Bc8 28.Bd5 Bf8 29.e4 Bc5 30.dc5 Be6 31.f4 Rd8 32.Bb7 b4–/+ 33.f5? b3–+ 34.fe6 b2 35.Rf1 c3 36.Bd5?? c2–+ 37.e7 Rb8 38.Bf7 Kg7 (38...Kg7 39.e8Q Re8 40.Be8 c1Q–+) 0–1. Koerner,Helmut (2040) – Thielsch,Norman (2320), Berlin Chemie op, 2001.

8.cd5 Nd5 9.Nd5 Qd5 10.Be2 Na6 11.a3 Nc7 12.0-0 Rad8 13.Qc2 Qd7 14.Rfd1 Nd5 15.Rac1 a6 16.Ne5 Be5 17.de5 Be2 18.Qe2 Qf5 19.e4 Nf4 20.Qf3 (20.ef5? Ne2 21.Kf1 Nc1 22.Rc1 gf5–+) 20...Qg5 21.g3 Nh5 22.h4 Qh6 23.e6 fe6 24.Rd8 Rd8 25.Qc3 Kf7 26.Qc5 Qd2 27.Rc2?? Qe1–+ 28.Kg2 Qe4 29.f3–/+ Qd5 30.Qe3 Qd3 31.Qd3 Rd3 32.a4 Nf6 33.b5 ab5 34.ab5 cb5 35.g4 Nd5 36.Kg3 b4 0–1. bluepiramid2 (1720) – jihat13, kurnik, 2011.

8.cd5 Nd5 9.Be2 Nb4 10.Qb3 (10.0-0 c5=) 10...a5 (10...N8a6 11.0-0+=) 11.a3 Be6 12.d5? (better is 12.Qd1 Nd5 13.0-0+=) 12...Nd5–+ 13.Nd5 Qd5 (13...Bd5!? 14.Qb7 c5–+) 14.Qb7–/+ Nd7 (14...Bb2 15.Qb2 Nd7 16.0-0–/+) 15.Bg7+= Kg7 16.Rd1 Qc5 (16...Rab8 17.Qc7 Rfc8 18.Qa7–/+) 17.Qb2 (17.Nd4 Rfd8 18.Ne6 fe6+=) 17...Kg8 (17...Nf6 18.Rc1 Qd6 19.Qc3–/+) 18.0-0 Rfb8 19.Qd4 (19.Qc1 Qc1 20.Rc1 Rb2–/+) 19...Qa3 20.Ng5 Rb4 21.Qd2 Bd5?? (better is 21...Nc5–/+) 22.e4+= Rb2 (better is 22...e6+=) 23.Qf4?? (23.Qc1!? e6 24.ed5 cd5 25.Bf3+=) 23...Re2 (better is 23...h6!? 24.ed5 hg5–/+) 24.ed5= cd5?? (better is 24...Ne5 25.dc6 Qc5=) 25.Qf7 1–0. doomclaw (1695) – latinoeh (1710), gameknot.com, 2013. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Be2 Na6 9.cd5 (9.a3 dc4 10.Bc4 Nc7=) 9...cd5 (9...Nd5 10.a3=) 10.Ba6 (10.a3 Qd6=) 10...ba6 11.h3 Bf3 12.Qf3 a5 (12...Qd6 13.a3=) 13.b5 a6 14.a4 Qd7 15.0-0 Rfc8 16.Rfc1 Rc4 17.Ba3 Rac8 (17...ab5 18.ab5 a4 19.Qd1=) 18.Bc5 Rc3 (18...ab5 19.ab5 Ne4 20.Ne4 de4 21.Qg4 Rc1 22.Rc1+=) 19.Rc3 Ne4 20.Rac1 (20.Rc2 ab5 (20...Nc5? 21.Rac1+–) 21.ab5 A) 21...Nc5? 22.Rac1+– (22.Ra5?! Ne4 23.Rc8 Qc8+=); B) 21...Rc5 22.Rc5 Nc5 23.Ra5 Nb7 24.Ra8 Bf8=) 20...Nc3 21.Rc3 ab5 22.ab5 Qb5 23.Qd5 e6 24.Qb3 (24.Qf3 Qb2 25.e4 e5=) 24...Qd7 (24...Qb3 25.Rb3 a4 26.Ra3=) 25.Qa2 (25.Qb6 a4=) 25...a4 26.Ra3 ½–½. Borrmann,Fritz – Guillermo Campos,A, CiF, 1996.

8.Be2 dc4 9.Bc4 Nd5 10.0-0 (10.a3 a5=) 10...Nb4 11.Qb3 a5 12.a3 Bf3 13.gf3 Nd5 (13...b5 14.ab4 bc4 15.Qc4=) 14.Qb7 (14.Bd5 cd5 15.Qb7 Nd7 16.Qd5 e6+=) 14...Nc3 (14...Nb6 15.Be2+=) 15.Qa8 Nb5? (better is 15...Na4!? 16.Qb7 Nb2 17.Qb2 e5+=) 16.a4+/– Nd6 17.Bd3 Qc7 (17...c5!?+–) 18.Rac1 (18.Rfc1 Rc8 19.Bc3 c5+–) 18...Nb7 19.Qa7 Nd7 (19...Rd8 20.Rb1 Rd7 21.Bc3+–) 20.Be4 Qb8 (20...Nb8 21.Rb1 Qc8 22.Rfc1+–) 21.Qb8 Nb8 22.Bc6 Nd6 23.Bb5 Nc8 (23...e6 24.Bd3 Bf6 25.Ba3+–) 24.Rc7 (24.Bc3 Na7+–) 24...Nb6 (24...Nd6 25.Re7 Bf6 26.Ra7+–) 25.Re7 Nd5 26.Re4 (better is 26.Ra7!? Bf6+–) 26...Rc8 (26...Rd8 27.Rc1+–) 27.Kg2 (27.Rc1 Rd8+–) 27...Nc6 (27...f5 28.Rc1 Rd8 29.Re8 Re8 30.Be8+–) 28.Rc1 (28.Rc1 Ndb4 29.Ba3+–) 1–0. Wall,Bill – Yarlboro, internet, 2003.

8.Be2 Nbd7 9.0-0 dc4 10.Bc4 e5 11.de5 Bf3 12.gf3 Ne5 13.Be2 Qc8 14.f4 Rd8 15.Qc2 Qh3 16.fe5 Ng4 17.Bg4 Qg4 18.Kh1 Qf3 19.Kg1 Qg4 20.Kh1 Qf3 ½–½. Karjakin,Sergey (2730) – Van Wely,L (2675), Aerosvit, Foros UKR, 2008.

8.Be2 Nbd7 9.0-0 Bf3 10.Bf3 e5 11.cd5 cd5 12.Nd5 e4 13.Nf6 Bf6 14.Be4 Nb6 15.Bb7 Rb8 16.Bf3 Nc4 17.Rb1 Rb4 18.Bc3 Rb1 19.Qb1 Qc7 20.Bd5 Nd6 21.Bb4 Rb8 22.Bd6 Qd6 23.Qe4 Be7 24.Bb3 Kg7 25.Rc1 Re8 26.Qf3 Qb4 27.Qf7 1–0. Evgenii_777 (1710) – Rubenio (1770), lichess.org, 2020.

8.Be2 Nbd7 9.c5 Bf3 10.gf3 e5 11.de5 Ne5 12.f4 Ned7 13.Bf3 b6 14.cb6 Nb6 15.Ne2 Nc4 16.Bc3 a5 17.a3 Re8 18.0-0 Qd7 19.Rc1 Na3 20.ba5 Nb5 21.Bb4 Ne4 22.Ng3 Nbc3 23.Qc2 c5 24.Bc3 Nc3 25.Qd2 Na4 26.Qd5 Qd5 27.Bd5 Ra5 28.Ne4 c4 29.Bc6 Rc8 30.Rc4 Nb2 31.Rc2 Nd3 32.Nd6 Rc7 33.Ne4?? Rc8?? 34.Nd6 Rc7 35.Ne8 Rc8 36.Nd6 ½–½. Strating,Sybolt (2355) – Huzman,Alexander (2520), Leeuwarden op, 1993.

8.Be2 Bf3 9.Bf3 dc4 10.Qe2=.

8.Be2 Bf3 9.Bf3 e6 10.0-0 Nbd7 11.b5 Nb6 12.Ba3 Re8 13.bc6 bc6 14.cd5 cd5 15.Be2 Bf8 16.Bf8 Rf8 17.Na4 Ne4 18.Bd3 Qd7 19.Nb6 ab6 20.Be4 de4 21.Qb1 Qd5 22.Qb6 Ra2 ½–½. Yepes Martinez,Eduardo (2280) – Vidarte Morales,Arturo (2370), Montcada op, 1997. (=1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

8.Be2 Bf3 9.Bf3 e6 10.cd5 ed5 11.0-0 Re8 12.a4 Nbd7 13.b5 Nb6 14.Be2 Qd7 15.a5 (15.bc6 bc6 (15...Qc6? 16.Bb5 Qc7 17.Rc1+-) 16.a5 Nc8+/-) 15...Nc4= 16.Bc4 dc4 17.b6 ab6 18.ab6 Nd5 19.Na4 Qd8 20.Nc5 (20.Qc2!?=) 20...Qb6=+ 21.Qd2 h5 (21...Qb5 22.Rfb1-/+) 22.Rfb1 Qc7 23.e4 Nf6 24.e5 Nd5 25.Bc3 b5 26.Ra8 Ra8 27.h3 Kh7 28.Ne4 Bh6 29.Qc2 Ra4 30.g4 (better 30.Bd2!?=+) 30...hg4-+ (30...Nc3?! 31.Qc3 hg4 32.hg4-/+) 31.hg4 Qd7 32.f3 Be3 33.Kg2 Qd8 (better 33...Qa7!? 34.Nf6 Nf6 35.ef6 Ra2-+) 34.Rh1-/+ Kg7 35.Nf6 Nf6 36.ef6 Qf6 37.d5 Bd4 38.Bd4 Qd4 39.dc6 Ra7 40.Rd1 Qf6 41.Rd7 Rd7 42.cd7 Qd6?? (better 42...Qd4 43.d8Q Qd8 44.Qb2 Kh6 45.Qb5 c3-+) 43.Qb2= Kg8 44.Qb5 c3 45.Qb7 Kh7 46.Qc8 c2 47.Qc2 Qd7 48.Qe4 Qc7 49.Qe2 Qf4 50.Qf2 Qe5 ½-½. muhammadaudii (2140) - waddah_ghadanfar (2115), lichess.org, 2020.

8.h3 Be6 9.c5 a5 10.b5 Ne4 11.a4 Nd7 12.Rc1 Re8 13.Be2 Ndf6 14.0-0 Nc3 15.Bc3 Ne4 16.Be1 Qc7 17.b6 Qb8 18.Nd2 Nd2 19.Bd2 Bd7 20.f4 Bf5 21.Bc3 Qd8 22.Bd3 (22.Qe1 f6+=) 22...e6 23.Qd2 Qh4 24.Rf3 (24.Ba5? Bd3 25.Qd3 Ra5–+) 24...Be4 (24...Bd3!? 25.Qd3 Qf6=) 25.Be4+= de4 26.Rf2 Red8 27.Qe1 Qh5 28.Ra1 Ra6 29.Kh2 Qd5 30.Rfa2 Rda8 31.Rb2 Bf6 32.g4 Qc4 33.Kg3 (33.g5 Bg7+=) 33...h6 34.Qd2 g5 35.fg5 hg5 36.Qe1 (36.Rc2 Rd8+=) 36...Bg7 37.Rf2 Rf8 38.Ra3 f5 39.gf5 ef5 40.Kh2 (40.Ba5 Ra5 41.Qa5 Qc1–+) 40...Kh7 41.Rg2 Bf6 42.Qg3 Rg8 43.Rf2 Kg6 44.Ra1?? (44.Bb2!?+=) 44...Rh8?? (44...Qc3 45.Rg1 Qb3 46.Rgf1–/+) 45.Kg2?? (better is 45.Bb2 g4 46.Rg2=) 45...Rd8?? (45...Qc3 46.Raf1 f4 47.Rf4 Bd4+=) 46.Raf1 Rd5 (46...Qc3 47.Rf5 Rf8 48.Qd6 Qd2 49.Kh1+–) 47.Qb8 (47.Qb8 Qc3 48.Qb7 Qe3 49.Qa6+–) 1–0. vairisk (2760) – jpost, net–chess.com, 2016. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 c6 6.b4 Bg4 7.Bb2 0-0 8.h3 Be6)

8.h3 Be6 9.c5 b6 10.Be2 (10.Bd3 a5 11.a3 Nbd7+=) 10...Nbd7 11.0-0 (11.Ng5 bc5 12.Ne6 fe6 13.bc5 e5=) 11...Qc7 (11...bc5 12.bc5 Rb8 13.Rb1=) 12.Qc2 (12.Ng5 Bf5=) 12...bc5 13.bc5 Rab8 14.Rfb1 (14.Bd3 Ne4 15.Ne4 de4 16.Be4 Nc5 17.Qc5 Rb2+=) 14...Bf5+= 15.Bd3 Bd3 16.Qd3 Rb7 17.Bc1 Rfb8 18.Rb7 Rb7 19.Rb1 Rb1 20.Qb1 e5 21.Qb3 e4 22.Nh2 Nh5 23.Bd2 f5 (23...Nf8 24.f3 ef3 25.Nf3+=) 24.Ne2 (24.g4 Nhf6=) 24...Nf8 25.g3 (25.g4 Nf6+=) 25...Ne6 26.Kg2 Nf6 (26...Qc8 27.Qa4 Qb7 28.f3+=) 27.Qb4 g5 28.Qa5 Qb7 29.Qb4 Qa6 30.Nc1 Qc8 31.Qa5 Qd7 32.f4 gf4 33.gf4 Nh5 34.Ne2 Nf8 35.Nf1 Ng6 36.Be1 Bf6 37.Qb4 Qc8 38.Qa4 Qc7 39.Nd2 Qb7 40.Qb3 (40.Kf1 Nh4+=) 40...Qa6 41.Qb8 Kg7 42.Qc7? (better is 42.Nc1!?+=) 42...Kh6–+ 43.Nc1 Bd4 44.ed4 e3 45.Nf3? (better is 45.Qd6–+) 45...Nhf4 46.Kg1 (46.Kg3–+) 46...Qc4 47.Qd8 Qc1 48.Qg5 Kg7 49.Qf5 h5 50.Qd7 Kh6 51.Qf5 (51.Qe8–+) 51...Qd1 52.Qg5 Kg7 (52...Kg7 53.Qg3 Ne2 54.Kg2 Ng3 55.Kg3 h4 56.Kg4 Qe2 57.Bg3 hg3 58.h4 g2 59.Kg3 Qf2 60.Kg4 e2 61.h5 g1Q 62.Ng1 Qg2 63.Kf5 Qe4 64.Kg5 Qf4) 0–1. Walter,Mario (2050) – Vonhoff,Joerg (2280), BdF OS–017 remoteschach.de, 2004.

8.h3 Be6 9.Ng5 Bf5=.

9.gf3 a5 10.b5 Nbd7 11.f4 (11.cd5 a4 12.Na4 cd5+=) 11...a4 12.Qb4 c5 (12...dc4!? 13.Bc4 Nb6 14.bc6 bc6=) 13.dc5+= a3 14.Ba3 b6 (14...Ne4!? 15.Ne4 Ba1 16.cd5 Nf6 17.Nf6 Bf6+–) 15.cb6 Nb6 (15...Ne4!? 16.Bb2 Bc3 17.Bc3 Nb6 18.cd5 Nd5 19.Qe4 Nc3+–) 16.Rd1+– e5 (better 16...e6+–) 17.fe5 Ng4 18.Be2 (18.Nd5 Qh4 19.Rd2 Nd5 20.cd5 Be5+–) 18...Ne5 (18...Qh4 19.Bg4 Qg4 20.Nd5 Nc4 21.Nb6+–) 19.Nd5 Nd5 20.Rd5 Qh4 21.c5 Qh3 22.Rd2 Rfd8 23.Rd8 Rd8 24.Rg1?? (24.Bc1 Nf3 25.Bf3 Qf3 26.0-0=) 24...Nf3–/+ 25.Bf3 Qf3 26.Qb3 (26.Kf1–+) 26...Bc3 27.Kf1 Rd2 (27...Rd2 28.Rg6 hg6 29.Qf7 Kf7 30.Bb2 Qf2) 0–1. Nechaev,O (2410) – Nikolenko,O (2480), Sochi RUS (5), 2018. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.Qb3 Bf3)

9.gf3 Qd7 10.Rc1 Qf5 11.Bg2 Nbd7 12.f4 dc4 13.Qc4 Nb6 14.Qc5 Qe6 15.Qe5 Qd7 16.Qg5 Nfd5 17.Nd5 cd5 18.0-0 (18.f5!?=) 18...Bf6 19.Qh6 Nc4 20.Bc3 Rfd8 21.Kh1 (21.Rc2 Rac8+=) 21...b5 22.e4 (22.Rg1!?+=) 22...de4–/+ 23.Be4 Rac8 24.f5 gf5 (24...Bd4? 25.Rfd1 Nd2 26.Rd2+– (worse is 26.Bd2 Bg7 27.Qf4 Rc1 28.Rc1 Qd2 29.Qd2 Rd2–/+)) 25.Rg1 Kh8 26.d5 Ne5 27.f4 Ng6 (27...fe4?? 28.fe5 e3 29.ef6 Qd5 30.Rg2 Qg2 31.Kg2 Rg8 32.Kh3+–) 28.Bf6 ef6 29.Rc8 Qc8 30.Bg2 Qc4 31.Qh5 Rd5 (31...Nf4?! 32.Qf5 Rd6 33.Be4=) 32.Qf3 (32.Qh3 Qa2 (32...Nf4?! 33.Qh6 Ng6 34.Rc1=) 33.Qc3 Rd2 34.Qf6 Kg8 35.Qf5 Qc4–/+) 32...Rd4 (32...Nf4!? 33.Qe3 Rd8 34.Qa7 Ng2–+) 33.Qa8–/+ Kg7 34.Qa7 Rf4 35.Qb8 (35.a3!?–/+) 35...Qb4–+ 36.a3 (36.Qe8 Rg4 37.a3 Qa3 38.Qb5 Nh4–+) 36...Qc4 37.Qd6 Rd4 38.Qg3 Rg4 39.Qf3 (39.Qe3 Nh4 40.Bb7 Rg1 41.Qg1 Ng6–+) 39...Nh4 40.Qh3 Ng2 (40...Ng2 41.Qg2 Rg2 42.Kg2 Qe2 43.Kh1 Kh6–+) 0–1. Arbinger,Roland – Diekmann,Hans Joachim, Hessenliga, 1996. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.Qb3 Bf3)

9.gf3 Nbd7 10.f4 (10.cd5!? cd5 11.Nd5+/–) 10...a5 11.cd5 ab4 12.Qb4 Nd5 13.Nd5 cd5 14.Be2 (14.Qb7? Qa5 15.Ke2 Nf6 16.Qe7 Qb5 17.Kf3 Qb2–+) 14...e6 15.a4 (15.Qb7? Rb8 16.Qa6 Rb2–+) 15...Nf6 16.0-0 (16.Qb7? Qa5 17.Kf1 Rfb8–+) 16...Ne4 17.f3 (17.Qb7? Rb8 18.Qc6 Rb2–+) 17...Nd6 18.Ba3 Nf5 19.Qb3 (worse is 19.Qb7 Ne3 20.Bf8 Qf8–+ (worse is 20...Kf8 21.Rfc1+=; worse is 20...Bf8 21.Rfc1+=)) 19...g5 (better is 19...Re8!? 20.Bb5 Qb6=) 20.Bf8+/– Kf8 21.fg5 (worse is 21.Qb7 Ne3 22.Rfb1 gf4+=) 21...Qg5 22.Kh1 Qe3 23.Qb7 Rd8 24.Qc7 Bf6 25.Bb5 Qd4 26.Rac1 Qh4 27.Bd3 Nd6 28.a5 Qf4 29.a6 Re8 30.Rb1 (30.Bh7?! Be5 31.Rc2 Rc8+=) 30...Be5 31.Qc2 Bd4 (31...Ra8!?+=) 32.Qc1 Be3 33.Qc7 Re7 34.Rb8 Ne8 35.Qf4 Bf4 36.Ra8 Be3 37.Bb5 f5 (37...f6 38.Be8 Re8 39.Re8 Ke8 40.Re1+–) 38.Re1 f4 39.Be8 Re8 (39...Kg7+–) 40.Re8 Ke8 41.Re3! (41.Re3 fe3 42.a7+–) 1–0. Lehmann,Heinz (2345) – Schmidt,Bodo (2375), Bundesliga, 1981.

10.Qc4 b5 11.Qb3 a5 12.ba5 Qa5 13.Bg2 (13.a4 b4 14.Na2 Nbd7=) 13...Nbd7 14.0-0 Rab8 15.Rab1 c5 16.Nd5 Nd5 17.Qd5 Qa7 18.dc5 e6 19.Qd6 Bb2 20.Rb2 Nc5 21.Rc1 Na4 22.Rbc2 b4 23.Rc7 Qb6 24.R1c6 Qb5 25.Qf4 Nc3 26.Bf1 Qf5 27.Qf5 gf5 28.Bc4 Rfd8 29.Ra6 Rbc8 30.Rc8 Rc8 31.Bb3 Ne2 (31...Rb8 32.Rc6=) 32.Kf1 Nc1 33.Ra4 Rb8 34.f4 Kg7 35.Ra7 Kf6 36.Rc7 Nb3 37.ab3 h5 38.Ke2 h4 39.Kf3 Rg8 40.h3 Rb8 41.Rc4 Ke7 42.Rd4 Rb7 43.Ke2 Rb8 44.Kd3 Rg8 (better is 44...Rb7!?=) 45.Rb4+/– Rg1 46.Rb7 Kf6 (46...Kf8!? 47.Ke2 Rh1+–) 47.Ke2+– Rb1 48.Kf3 Rb2 49.Rb8 Kg7 50.b4 Kf6 51.b5 Ke7 52.b6 Kf6 53.Kg2 Rb1 54.f3 Rb2 55.Kf1 Rh2 (55...Ke7 56.e4+/–) 56.Rc8 Rb2 57.Rc6 Ke7 58.Rc7 Kd6 59.Rf7 Rb6 60.Rh7 Rb1 61.Ke2 Rb2 62.Kd3 Rf2 63.Rh4 Rf3 64.Ke2 Rg3 65.Kf2 Rg8 66.Rh7 Rf8 67.h4 e5 68.Rh6 Kd5 69.Kf3 e4 70.Kf2 Ra8 71.Rf6 Ra2 72.Kg3 Re2 73.Rf5 Kd6 (73...Kc4 74.h5+–) 74.Re5 Re3 75.Kg4 Re1 76.Kf5 e3 77.h5 e2 78.h6 Rh1 79.Re2 Rh6 80.Kg5 Rh8 81.f5 Rg8 82.Kf6 Rf8 83.Kg6 Rg8 84.Kf7 Rg1 85.f6 Kd7 86.Rd2 Kc7 87.Ke7 Re1 88.Kf8 Rf1 89.f7 Rg1 90.Rd4 (90.Rd5!? Kc6 91.Rh5 Kd6+–) 90...Rg2 91.Ke7 (91.Ke7 Re2 92.Kf6+–) 1–0. Zhu Chen (2500) – Smyslov,Vassily (2485), Flamenco Veterans–Women, 1999. (=1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Bg4)

10.Qc4 Nbd7 11.f4 a5 12.ba5 (12.b5!?=) 12...Qa5=+ 13.Bg2 Nb6 14.Qb3 c5 15.dc5 (15.Bb7 Rab8 16.Bc6 cd4 17.ed4 Nbd5 18.Bd5 Rb3 19.ab3 Qc7-+) 15...Qc5 16.Rc1 (16.Bb7? Rab8 17.Ba3 Qc7-+) 16...Ng4 (16...Qa5!?=) 17.Nb5+/- Qh5 18.Bg7 Kg7 19.h3 Nf6 20.0-0 Nbd5 (20...Rad8 21.Nd4 (worse 21.Bb7 Qh3 22.Bg2 Qg4=+) 21...Rd6 22.Rc7+=) 21.Nc7+= Ra5 22.Qb7 Nc7 23.Rc7 (23.Qc7 Ra2 24.Qe7 Rd2+=) 23...e5 24.Rc4 (24.Qb3 ef4 25.ef4 Qh6=) 24...ef4= 25.Rf4 Ra2 26.Qe7 Ra6 27.Qb7 Re6 28.Qb2 Qe5 29.Qd4 Qd4 30.Rd4 Rfe8 ½-½. Abelgas,Roe (2255) - Sundararajan,K (2410), 21st Dubai Open, 2019. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 Bg4 7.Bb2 c6)

10.Qc4 Nbd7 11.f4 Nb6 12.Qd3 Nbd5 13.Bg2 (13.a3 e6=) 13...Qd6 (better is 13...Nb4!? 14.Qe2 Nbd5–/+) 14.b5= a6 15.bc6 bc6 16.Ba3?? (16.Rb1 Rfb8=) 16...Qe6 (better is 16...Qa3 17.Kd2 Rfb8–+) 17.0-0 Rab8 18.Qc2 Nb4 19.Bb4 Rb4 20.Na4 Rc4? (better is 20...Nd7=) 21.Qb3+– Nd7 22.Rac1 (better is 22.Nb2!? Bd4 23.Nc4 Ba1 24.Ra1+–) 22...Rc1+/– 23.Rc1 Qb3 24.ab3 Rb8 25.Bc6 Rc8 26.d5 e6 27.Rc4 ed5 28.Bd5 Rc4+/– 29.Bc4 Bf8? 30.Nc3 Kg7? 31.Kg2 f5? 32.Kf3 Bc5? 33.Ne2 Kf6? 34.Nd4 Bb6? 35.Ke2 h6? 36.Nf3 g5? 37.fg5+– hg5 38.h3 Bc7? 39.Ne1 f4? 40.Nc2 fe3 41.fe3 Kg6? 42.Nd4 Kf6 1–0. Henttinen,Markku IO (2290) – Szilagyi,Gyorgy (2325), Elekes Memorial–A, 1981.

10.Bc4 b5 11.Be2 a5 12.ba5 Qa5 13.0-0 b4 14.Ne4 Ne4 15.fe4 e5 16.de5+= Be5 17.Be5 Qe5 18.Qb4 Na6 19.Qd4 Qg5 20.Kh1 Rfd8 21.Qc4 Nc5 22.Rfc1 Rd2 23.Qc5 Qc5 24.Rc5 Re2 25.Kg1 Raa2 26.Ra2 Ra2 27.Rc6 Kg7 28.Kg2 Ra5 29.h4 h5 30.Rd6 Kf8 31.Rd3 Ra2 32.Rd4 Ra5 33.Kg3 Ke7 34.Rb4 Ra1 35.Rb7 Ke6 36.Kg2 Re1 37.Rb6 Ke7 38.Ra6 Kd7 39.Ra3 Ke6 40.Rb3 Ke7 41.Rb8 Kd7 42.Rb4 Ke7 43.Ra4 Kd7 44.Ra8 Ke6 45.Ra6 Kd7 46.e5 Ke7 47.Rb6 Rc1 48.f4 Re1 49.Kf3 Rh1 50.Ke4 Rh4= 51.Rb7 Ke6 52.Rb6 Ke7 ½–½. Soppe,Guillermo (2435) – Szmetan,R (2310), It, Pinamar ARG, 2004.

10.Bc4 b5 11.Be2 a5 12.ba5 Qa5 13.0-0 Nbd7 14.Rfc1 b4 15.Ne4 Ne4 16.fe4 Qg5 17.Kf1 e5 (17...Qh4 18.e5 (worse is 18.Rc6 Qe4 19.Bb5 Qh1 20.Ke2 Qh2 21.Qb4 Qh5 22.f3 Qh2 23.Kd1 Rfb8–/+) 18...c5 19.Bf3=) 18.de5 (18.Rc6 Qh4 19.Kg2 (worse is 19.Qb4 Rfb8 20.Bb5 Qh2–+) 19...Qe4 20.Bf3+=) 18...Qh4= 19.f4 (19.Rc6 Qe4 20.Bb5 Ne5–+) 19...Qh2 20.Bf3 (20.Rc6 Qh1 21.Kf2 Qh2 22.Ke1 Rfd8=) 20...g5+= 21.Rc2 (21.Qb4 Rfb8 22.a3 Rb4 23.ab4 Ra1 24.Ba1 gf4–+) 21...Qg3 22.Rf2 (22.Bd1 Qh3 23.Rg2 Nc5–/+) 22...gf4 (22...g4 23.Be2 Nc5 24.Qb4 Qe3+=) 23.Qd1? (better is 23.ef4!? Qf4 24.Bh5=) 23...Rfd8 24.ef4 (24.Qe2 Nc5 25.Rg2–/+) 24...Nc5 25.Qe2 Nd3 (25...Qf4?! 26.Bh5 Qe4 27.Bf7 Kh8 28.Kg1+=) 26.e6?? (better is 26.Rg2 Qh3 27.Bc1–+) 26...Nf2 (worse is 26...Qf2 27.Qf2 Nf2 28.ef7 Kf7 29.Bg7–+; 26...Bb2? 27.Rg2 Qg7 28.Rb1+– (worse is 28.Rg7 Bg7 29.Rd1 Nf4 30.Rd8 Rd8+–); 26...Nb2?! 27.e7 Rd3 28.e5–+) 27.ef7 Kh8 (27...Kh8 28.Qf2 Qf2 29.Kf2 Bb2–+) 0–1. Sargissian,Gabriel (2670) – Durarbayli,Vasif (2580), Minsk BLR, Bronstein Mem, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 dc4)

10.Bc4 Nbd7 11.Rd1 e6 12.0-0 Nd5 13.b5 Nc3 14.Bc3 Rc8 15.bc6 Rc6 16.Bb4 Qg5 17.Kh1 Rfc8 18.Be2 Nf6 19.Bd2 Qd5 20.Rc1 Qb3 21.ab3 Bf8 22.Bd3 Rc1 23.Rc1 (worse is 23.Bc1 Rc3 24.Bc4 b5 25.Bb5 Rb3+=) 23...Rc1 24.Bc1 Bb4 25.Kg2 Nd5 26.e4 Ne7 27.Bb2 f5 28.Bc4 Kf7 29.d5 (29.h3!?=) 29...ed5–/+ 30.ed5 Bd6 31.f4 a6 32.b4 b5 33.Bb3 Nc8 34.Bc3 Bf4 35.h4 Bd6 36.Kf3 Nb6 37.Ke3 Nd7 38.Be1 Kf6 39.f3 g5 40.Kd3 Kg6 41.hg5 Kg5 0–1. Schwartz,Gerhard (2095) – Gheng,Josef (2340), Hohenloher op, 2003. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 dc4)

10.Bc4 Nbd7 11.Be2 e5 12.de5 Ne5 13.Rd1 Qc7 14.b5 Rad8 15.0-0 Qc8 16.Na4 Qf5 17.Be5 Qe5+= 18.bc6 bc6 19.Qc4 Nd5 20.f4 Qe6 21.Bf3 Qh3 22.Bg2 Qg4 23.h3 Qc8 24.Rc1 Ne7 25.Rfd1 Rd1 26.Rd1 Rd8 27.Rd8+= Qd8 28.Bc6 Qd1 29.Kg2 Nf5 30.Nc5 Qd2= 31.Qd3 Nh4 32.Kg3 Nf5 33.Kg2 Nh4 34.Kg3 ½–½. Stryjecki,Marek (2415) – Vlassow,Valentin (2325), Open A Krakow Poland, 2005.

10.Bc4 Nbd7 11.f4 Nb6 12.Be2 Nbd5 13.Na4 (13.Rg1 Qd7=) 13...Qc8 14.h4 a5 (14...h5 15.Rc1=) 15.b5 cb5 16.Qb5 Qf5 (16...Qe8 17.Qb3=) 17.a3 (17.h5 Nh5 18.Bh5 Ne3 19.Qf5 Nf5= (19...gf5?? 20.fe3 Rac8 21.Rg1+–)) 17...Rac8 (17...h5 18.Rg1=) 18.Qd3 (18.Qb7 Rb8 19.Qc6 Rfc8=) 18...Rc7 (18...Qd3 19.Bd3 e6 20.Rc1=) 19.Qf5+= gf5 20.Bd3 e6 21.Ke2 Rfc8 22.f3 (22.Rac1 b6+=) 22...Nd7 (22...Nh5 23.Rag1+=) 23.Bc1 (23.Rhc1+=) 23...N7b6 (23...b6!?=) 24.Nb6+/– Nb6 25.a4 (25.Bd2!? a4 26.Ba5+/–) 25...Nd5 26.Bd2 Nb4 (26...b6 27.Rab1+=) 27.Rhg1 (27.Bb4 ab4 28.Rab1 Ra8 29.Rb4 Bf8 30.Rg1 Kh8+=) 27...Kh8 28.h5 h6 29.Rab1 Bf8 30.Rbc1 Rc1 31.Bc1 (31.Rc1 Rc1 32.Bc1 Nd5=) 31...Nd5 32.Bb2 (32.Bd2 Bb4+=) 32...Bb4= 33.Bb1 (33.Rh1 Kh7=) 33...Nc3 (33...Rg8 34.Rg8 Kg8 35.Ba2=) 34.Bc3 Rc3 ½–½. Zhu Chen – Smyslov,Vassily, Match Roquebrune (France), 1998.

10.a4 Nbd7 11.f4 dc4 12.Bc4 Nb6 13.Be2 Nbd5 14.Bf3 Nc3 15.Bc3 Nd5 16.Bd2 Qh4 17.Ke2 Rfd8 18.Rac1 Rd7 19.b5 cb5 20.Qb5 Rad8 21.Rc2 Ne7 22.Bb7 Nf5 23.Rc8 Rd4+= 24.Rd8 Rd8 25.Bf3 Bf6 26.a5 Kg7 27.Qb3 Qf4! 28.Bc3 Qh4 29.a6 Rc8 30.Bf6 Qf6 31.Rd1 Rc7 32.Be4 Qe5 33.Qb4 Qh2 34.Rd8? Ne7?? 35.Rb8 Qh5 36.Bf3 Qf5 37.Be4 Qh5 38.Bf3–/+ Qf5 39.Be4 Qh5?? 40.Bf3= ½–½. Brunello,S (2485) – Jorgensen,D (2215), Politiken Cup, Copenhagen DEN, 2010.

10.b5 Qd7=.

10.f4 Nbd7 11.Be2 a6 12.c5 Ne8 13.Bf3 f5 14.a4 Nc7 15.Ke2 Qe7 16.b5 Rfb8 17.Ba3 Qd8 18.Rhb1 (18.b6 Ne8+=) 18...Qc8 (18...ab5!? 19.ab5 b6 20.cb6 Rb6–/+) 19.Qc2 Bf6 (19...ab5 20.ab5 Nb5 21.Nb5 cb5 22.Rb5+=) 20.Kf1 Kf7 21.Be2 h6 22.Bb4 ab5 23.ab5 Ra1 24.Ra1 Ra8 25.Ra2 Ne8 26.Ra4 Bd8 27.Qa2 Ra4 28.Qa4 Nb8 29.Ba5 Be7 30.Bb6 Nf6 31.Qa8 Nfd7 32.Ba7 Ke8 33.Na2 Kd8 34.Nb4 Kc7 (34...g5 35.Bb8 Nb8 36.Qa5 Qc7 37.Qc7 Kc7 38.b6 Kd8 39.fg5 hg5 40.f4+=) 35.Bb8 Nb8 36.b6 Kd8 37.Nd3 Nd7 38.Qa7 Bf6 39.Nc1 Qb8 40.Nb3 Kc8 41.Na5 Be7 (41...Bd8+–) 42.Ba6! (42.Ba6 ba6 43.Qa6 Kd8 44.Nc6 Ke8 45.Nb8+–) 1–0. Kasparov,Garry (2800) – Sbarra,Marco, Asiag Ludi Univ sim, 1991. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nc3 Bg7 6.b4 Bg4 7.Bb2 0-0)

10.f4 Nbd7 11.Be2 dc4 12.Qc4 Nd5 13.Qb3 Nc3 14.Bc3 Qh4 15.Bf3 Nf6 16.Ke2 Nd5 17.Bd2 Rfd8 18.Rac1 a6 19.Rhg1 Rd7 (19...Qh2?? 20.Rh1 Qh1 21.Rh1+–) 20.Rg4 Qd8 (20...Qh2?? 21.Rh1 Qh1 22.Bh1+–) 21.Rg3 Ne7 22.Be4 (22.Bc3 Nd5=) 22...Nf5+= 23.Bf5 ef5 24.Kf1 Rd5 25.Be1 Qe7 26.h3 Qe6 27.Kg1 Bf8 28.Qc2 Be7 29.Kh2 Qe4 30.Qb3 Bh4 31.Rg2 Qf3 32.Bd2 Qe4 33.Qd1 Kh8 34.f3 Qe6 35.Qc2 Bf6 36.Re1 Rd7 37.Bc3 Qd6 38.Kh1 Re8 39.Qb2 Qd5 40.Qf2 Rde7 41.Rgg1 Kg8 42.Kg2 Re6 43.Qd2 Qd8 44.Qd3+= Qd5 45.Re2 Qb5 46.Rd1+= Qd5 47.Rde1 Bh4–/+ 48.Rc1 g5 49.fg5? Bg5–+ 50.Rce1? Rg6 51.e4 fe4 52.Re4 Re4 53.Re4 f5 (53...f5 54.Re8 Kf7–+) 0–1. Spraggett,K (2520) – Zugic,I (2405), ch–CAN, Brantford CAN, 1999.

10.Rg1=.

10.Bg2 Nbd7 11.0-0 Nh5 12.f4 Nb6 13.cd5 cd5 14.Rfd1 Nc4 15.a4 Nb2 16.Qb2= Qe7 17.Rac1 Rfc8 18.Na2 Bf8 19.Rc8 Rc8 20.Rc1 Rc7 21.b5 Rc1 22.Qc1 Qa3 23.Qa3= Ba3 24.Kf1 Kf8 25.Ke2 Ke7 26.Kd3 Kd7 27.Kc3= b6 28.Nb4 Bb4 29.Kb4 Ng7 30.Bh3 Ne8 31.Bg4 Nd6 32.Be2 Ne4 33.f3 Nf6 34.a5 Ke7 35.ab6 ab6= 36.Kc3 Kf8 37.Kd2 Kg7 38.Bd3 Kh6 39.e4 Ne8 40.f5 gf5 41.ef5 ef5 42.Bf5 Nd6 43.Bd7 Kg5 44.Bc6 Kf4 45.Bd5 Nb5 46.Kd3 f6 47.Be4+= f5 48.Bc6 Nd6 49.Bd5 h5 50.Bc6 h4 51.Ba8 b5 52.Bc6 b4 53.Bd5 b3 54.Bb3 Kf3–+ 55.Be6 f4 56.Bh3 Kf2 57.d5 Kg1 58.Kd4 Kh2 59.Bf1 Kg3 60.Ke5 f3 61.Kd6 h3 62.Ke7 h2 63.d6 h1Q 64.Bb5 Qc1 65.Bc6 Qf4 66.Bb5 f2 67.Bf1 Qe3 68.Kd8 Qe1 69.Bc4 Qa5 70.Ke7 Qg5 71.Ke8 Qh5 72.Kd7 Qg4 73.Be6 Qa4 74.Ke7 f1Q 75.Bd5 Qf5 76.Be6 Qa7 77.d7 Qac5 78.Kd8 Qff8# 0–1. Melich,Jindrich – Masek,Miroslav, CSR–ch Prague, 1992.

10.Bg2 Nbd7 11.f4 dc4 12.Qc4 Nb6 13.Qb3 a6 14.a4 Nbd5 15.Ne2 Qb6 16.Ba3 Rfe8 17.0-0 Bf8 18.Rab1 Qa7 19.Rfc1 Nd7 20.Rc2 Red8 21.a5 Qb8 22.Nc1 N7f6 23.Nd3 Bd6 24.Ne5 Be5 (24...Qc7!?=) 25.de5 Nh5 26.Rd1 Re8 27.Qc4 Qa7 28.Bb2 Rac8 29.Bd5 ed5 30.Rd5! cd5 31.Qc8 Rc8 (31...Qb8 32.Qd7 Qd8 33.Qb7 Qh4 34.Qd5 Qg4 35.Kh1 Ng7+–) 32.Rc8 Kg7 33.e6 Nf6 34.e7 (34.e7 d4 35.Bd4 Qd4 36.ed4+–) 1–0. Velcheva,Maria (2270) – Masnjak,Rajka (2035), CRO–chT2 Tucepi, 1996. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 e6)

10.Bg2 Nbd7 11.f4 dc4 12.Qc4 Nb6 13.Qb3 Nbd5 14.Ne2 Qb6 15.Ba3 Bh6 16.Rb1 Rfc8 17.0-0 a5 18.b5 cb5 (18...Qb5!? 19.Qb5 cb5 20.Rb5 b6=) 19.Bc5+= Qa6 20.Qb5 Qb5 21.Rb5 b6 22.Ba3 Rc2 23.Rb2 Rac8 24.Rc2 Rc2 25.Rc1 Rc1 (25...Ra2? 26.Rc8 Bf8 27.Bf8 (27.Rf8? Kg7–+) 27...Ra1 28.Bf1+–) 26.Bc1 b5 27.Bd2 b4 28.Kf1 Bf8 29.Ke1 a4 30.Nc1 Nb6 31.Bc6 Nfd5 32.Kd1 f5 (32...Nc4!?+=) 33.Kc2= Kg7 34.Nd3 Nc4 (34...Kf6!?+=) 35.Ba4+/– Nd2 36.Kd2 Bd6 (36...Nb6 37.Bb3 Kf7 38.Kc2+–) 37.Bb3 Nc7 38.Nc5 Kf6 39.h3 (39.Kd3 g5 40.fg5 Kg5+–) 39...h6 (better is 39...Bc5!? 40.dc5 Na6+/–) 40.Kd3+– g5 41.fg5 hg5 42.Kc4 Nd5 43.Kb5 Nc3 44.Kb4 Ne2 45.Bc4 Ng1 46.Bf1 e5 47.Kc4 Nf3 48.Kd5 (48.Kd5 Ke7 49.a4+–) 1–0. Filip,Daniel (2055) – Revelant,Stefan, AUT–ch U18 Illmitz, 2004. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d5 5.Bb2 0-0 6.c4 c6 7.Nc3 Bg4 8.Qb3 Bf3 9.gf3 e6)

11.b5 a6 12.bc6 bc6 13.Na4 White prepares c5 (13.Ba3 Rb8 14.Qa4 Re8=) 13...Re8 (13...Rb8 14.Qc2+=) 14.c5 (14.0-0 Rb8 15.Qc2 dc4 16.Qc4 Nd5 17.Qc6 Nb4=) 14...Rb8+= 15.Qd1 (15.Qc2 Nh5 16.f4 Qh4+=) 15...e5 (15...Nh5 16.f4–/+) 16.0-0 (16.de5!? Ne5 17.0-0+=) 16...Rb2–+ 17.Nb2 ed4 18.Qd4 Nh5 (18...Ne4!? 19.Qa4 Nc3–+ (19...Nec5?! 20.Qc2+=)) 19.Qd2 (19.Qb4 d4 20.Kh1 de3=) 19...Qh4 (19...Qg5 20.Kh1 Qh4 21.Nd3 Ba1 22.Ra1+=) 20.Nd3 Ne5 (20...Ba1 21.Ra1 d4+=) 21.Rab1?? (better is 21.Rae1=) 21...Nd3–/+ 22.Qd3 (22.Bd3 Be5 23.f4 Bf4 24.ef4 Qg4 25.Kh1 Qf3 26.Kg1 Nf4 27.Qf4 Qf4–+) 22...Be5 23.f4 Nf4 (23...Bf4 24.ef4 Nf4 25.Qf3 Re2 26.Kh1–+) 24.ef4 Bf4 25.h3 Re3 26.Rb8?? (better is 26.Qe3 Be3 27.fe3 Qg3 28.Kh1 Qh3 29.Kg1 Qe3 30.Rf2–/+) 26...Kg7–+ 27.Qd4 (27.fe3?? Qg3 28.Kh1 Qh2) 27...Kh6 28.Rd1 (28.Qe3 Be3 29.Kg2 Bc5–+) 28...Rh3 (28...Re2?! 29.Rb7 Qg5 30.Kh1–+) 29.Bf3 Qg5 (worse is 29...Bb8 30.Qh4 Rh4 31.Rb1–+) 30.Bg2 (30.Kf1 Bb8 31.Ke2–+) 30...Rh2 31.Kf1 Qg2 32.Ke2 (32.Ke1 Qg1 33.Ke2 Qg4 34.Kd3 Qd1 35.Kc3 Rh3 36.f3 Rf3 37.Qe3 Be3 38.Rb5 Bc5 39.Kb2 Bd4) 32...Bb8 (32...Bb8 33.Qe3 Kg7 34.Qc3 f6–+; 32...Qg4 33.Kd3 Qd1 34.Kc3 Rh3 35.f3 Rf3 36.Kb4 Qb1 37.Ka5 Ra3 38.Qa4 Qb8 39.Qa3 Qb5) 0–1. Malmstig,Erik (2270) – Ask,Josef (2165), Stockholm Stockholm SWE, 2014. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 e6 10.Be2 Nbd7)

11.Rc1 a5=.

11.cd5 cd5 12.0-0 Nb6 13.Rfc1 Ne8 14.Na4 Nd6 15.Nb6 ab6 16.Bd3 Qg5 17.Kh1 Qh5 18.Kg2 Qg5 19.Kh1 Qh5 20.Kg2 f5 21.f4 g5 22.Qd1 Qd1+= 23.Rd1 gf4 24.ef4 Rfc8 25.a4 Nc4 26.Bc3 Kf7 27.Kf3 Bf8 28.Rdc1 Bd6 29.Be1 Rc7 30.Bc4 dc4 31.b5 Be7 32.Ra2 Bf6 33.Bc3 Rd8 34.a5 Bd4 35.Bd4 Rd4–/+ 36.ab6 Rc5 37.Ra7 Rd7 38.Ra4 Rb5 39.Rac4 Rb6 40.R1c2 Rb3 41.Kg2 b5 42.Rc6 Kf6 43.f3 Re3 44.Rb6–/+ Rd4 45.Rb5 Rf4 46.Rf2 h5 47.Rb8 h4 48.Rh8 Kg7 49.Rb8 Rd4 50.Rb7 Kg6 51.Rb8 Red3 52.Kh3 Rf4 53.Kg2 Rfd4 54.Kh3 Kg5 55.Rh8 e5 56.Kg2 Rd2 57.f4 ef4 58.Rg8 Kf6 59.Rd2 Rd2 60.Kf3 Rh2 61.Kf4 Rf2 62.Ke3 Rf1 63.Ke2 Rf4 64.Ke3 Rf1 65.Ke2 Rc1 66.Kf3 h3 67.Rh8 Rc3 68.Kf2 Kg5 69.Kg1 Kg4 70.Rg8 Kf3 71.Rf8 Kg3 72.Rg8 Kf3 73.Rf8 f4 74.Kh2 Re3 75.Rf7 Re1 76.Ra7 Re8 77.Ra6 Kg4 78.Rg6 Kf5 79.Ra6 Re3 80.Ra8 Kg4 81.Rg8 Kf3 82.Rf8 Rd3 83.Rf7 Ke3 84.Ra7 Ke2 85.Ra2 Ke1 86.Ra1 Rd1 87.Ra3 Ke2 88.Ra2 Rd2 89.Ra1 Rd1 90.Ra2 Kf3 91.Ra8 Rd7 92.Ra6 Re7 93.Ra8 Re3 94.Rf8 Ke4 95.Ra8 Kd3 96.Ra3 Ke2 97.Ra2 Kf1 98.Ra1 Re1 99.Ra6 Re2 100.Kh1 Re3 101.Ra1 Re1 102.Ra3 Kf2 103.Kh2 f3 104.Ra2 Kf1 105.Kh3 f2 106.Kh2 Rd1 (106...Rd1 107.Kg3 Rd3 108.Kf4 Ke1 109.Rf2 Kf2–+) 0–1. Minev,Nikolay N (2430) – Jansa,Vlastimil, Decin–A, 1976.

11.f4 b6 12.cd5 Nd5 13.Rc1 N7f6 14.b5 Nc3 15.Bc3 c5 16.dc5 (16.Bf3 Rc8 17.dc5 Rc5+=) 16...bc5 (16...Ne4!? 17.Bb4 bc5+=) 17.0-0+= Qe7 18.Bf3 Rac8 19.a4 Rfd8 20.Ba5 Rd6 21.Bb4 Rdd8 22.Ba5 Rd6 23.Bb4 Rdd8 24.Bc3 Nd5 25.Bg7 Kg7 26.a5 Qc7 27.Qb2 ½–½. Gaerths,Ronny (2280) – Forchert,Martin (2395), BL2–Nord, 2005. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 e6)

11.f4 dc4 12.Qc4 Nb6 13.Qb3 Nfd5 14.Ne4 Nd7 15.0-0 Qh4 16.Rfc1 N7f6 17.Nf6 Nf6 18.Qd1 a5 19.a3 Rfd8 20.Bf3 Bf8 21.Bc3 Nd5 22.Qe1 ab4 23.Bb4 g5 24.Bf8 Kf8 25.fg5 Qg5 26.Kh1 Ra4 27.Qe2 Qe7 28.Qc2 Ra3 29.Qh7 Qf6 30.Qh3 Ra1= 31.Ra1 c5 32.Ra7 cd4 33.Bd5 Rd5 34.ed4 Qf2 35.Qh8= Ke7 36.Rb7 Rd7 37.Rd7 Kd7 38.h4 f6 39.Qh7 Kd6–/+ 40.Qe4 f5 41.Qe5= ½–½. Kuchynka,Lukas (2310) – Langner,L1 (2365), CZE, Extraliga, 2012. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.Qb3 Bf3 9.gf3 e6 10.Be2 Nbd7)

11.f4 dc4 12.Qc4 Nd5 13.Qb3 Nc3 14.Bc3 Qh4 15.Bf3 Nf6 16.Ke2 Nd5 17.Bb2 Rfd8 ½–½. Gaerths,Ronny (2290) – Kues,Hendrik (2210), BL2–Nord, 2006. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Bg4 8.Qb3 Bf3 9.gf3 e6 10.Be2 Nbd7)

11.f4 dc4 12.Qc4 Nd5 13.Ne4 Qh4 14.Qb3 (14.0-0 N7f6 15.Nf6 Bf6=) 14...N7f6+= 15.Ng3 Rfd8 16.b5 cb5 17.Bb5 a6 (17...Rac8 18.Rc1–/+) 18.Be2+= b5 19.a4 b4 20.a5 Ng4 21.Rc1 h5 (21...Rd6 22.Rc4+=) 22.Bf3 (better is 22.Rc6!?=) 22...Qh3–/+ 23.Ke2 Ngf6 24.Qd3+= Rab8 25.Rc6 b3–/+ 26.Qd2 Rdc8 27.Rhc1 Rc6–+ 28.Rc6 Qh2 29.Rc1 Ng4–/+ 30.Ne4 Qh4 31.Rh1 Qe7 32.Nc5 Rb5 33.Na6+= Qa7 34.Nc5 Ra5 35.Nb3 Qa6 36.Ke1 Ra2 37.Nc1 Ra4 38.Bd1 Bf8–/+ 39.Nd3 Ra2–+ 40.Nc5?? Qb5 41.Bb3 Bc5 42.Ba2 Bb4 43.Bc1 Bd2 44.Bd2 Qb2 45.Bd5 ed5 (45...ed5 46.Rh3 Qa1 47.Ke2 Qg1–+) 0–1. Henttinen,M (2270) – Kulaots,K (2590), FIN, SM–Liiga, 2012.

11.f4 dc4 12.Bc4 b5 13.Be6 (better is 13.Bd3!?=) 13...fe6–/+ 14.Qe6 Kh8 15.Qc6 a6 16.a4 Nb6 (16...a5 17.Nb5 ab4 18.f5–/+) 17.ab5 Rc8 18.Qf3 (18.Qb7!? Nc4 19.Nd1–/+) 18...Nc4 19.Qe2 Qe7 (19...ab5 20.0-0 Qd7–+) 20.Na4? (better is 20.Ra6 Qb4 21.Ba1=) 20...Qb4–+ 21.Bc3 Qb5 22.0-0 Nd5 23.Rfb1 Qc6 24.Be1 Bd4! 25.ed4 Nf4 26.Qg4 h5 27.d5 Qd5 28.Bc3 Kg8 29.Rd1 hg4 (29...hg4 30.Rd5 Nd5–+) 0–1. Pendergast,M (2145) – Mulyar,M (2375), Vancouver CAN, 2012. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Bg4)

11.f4 Ne8 12.b5 Nd6 13.cd5 cd5 14.a4 Nf5 15.Nb1 g5 16.fg5 Qg5 17.Nd2 Rac8 18.Nf3 Qf6 19.h4 Nc5 20.Qd1 (worse is 20.dc5 Qb2 21.Qb2 Bb2 22.Rg1 Kh8–/+) 20...Ne4 21.Rc1 Bh6 22.Rc8 Rc8 23.Qb3 Kh8 24.Bd3?? (better is 24.a5=) 24…Nfg3–+ (24...Nfg3 25.Rh2 Qf3–+) 0–1. Nuessel,G (2125) – Raykhman,A (2385), OIS Munich GER, 2010. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.e3 Bg4 7.d4 c6)

9.gf3 Nbd7= 10.f4 a5 11.b5 a4 12.Rc1 Qa5 13.Qd2 dc4 14.bc6 bc6 15.Bc4 c5 16.Nb5 Qd2 17.Kd2 Rab8 18.Ba1 Ne4 19.Ke2 Nd6 20.Nd6 ed6 21.Rhd1 Rfc8 22.a3 Rb6 23.Bd5 (23.f5 Rbb8+= (worse is 23...gf5 24.Rg1 d5 25.Bd5+/–)) 23...Kf8 24.Rc4 Rbb8 25.Be4 (25.dc5 Ba1 26.Ra1 Rb2 27.Kf3 dc5=) 25...Nb6 26.Rc2 d5 27.Bf3 cd4 28.Rc8 Rc8 29.Bd4 Rc2 30.Kf1 Bd4 31.Rd4 Rc3 32.Bd5 Ra3 33.Kg2 Ra1 34.e4 a3 35.Rb4 Nd5 36.ed5 Ke7 37.Rb6 Rd1 38.Ra6 Rd3 39.h4 Kd7 40.f3 Rd2 41.Kg3 a2 42.f5 gf5 43.Kf4 f6 44.Ke3 Rh2 45.h5 Ke7 46.Kf4 Kd7 47.h6 (47.Ke3!?=) 47...Rf2 48.Ke3 Rh2 49.Kf4 Rf2 50.Ke3 Rh2 (50...Rg2!?+=) 51.Kf4= ½–½. Kamsky,Gata (2760) – Gelfand,Boris (2770), Beijing CHN, FIDE Grand Prix, 2013. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

9.gf3 Nbd7= 10.f4 e6 11.c5 b6 12.Bd3 Rb8 13.Rb1 Nh5 14.cb6 ab6 15.Be2 Nhf6 16.0-0 Qe7 17.b5 c5 18.a4 cd4 19.Qd4 Rfc8 20.Rfc1 Ne8 21.Qd1 Qh4 22.Kg2 Nd6 23.Bf3 Nc5 24.Ne2 Nce4 25.Be4 Ne4 (25...de4? 26.Bg7 Rc1 27.Rc1+–) 26.Rc8 Rc8 27.Ng3 Bb2 (27...Qh3 28.Kh3 Nf2 29.Kg2 Nd1 30.Bg7 Rc2 31.Kg1 Ne3 32.Bd4 Rg2 33.Kh1 Rg3 34.Bb6 Rh3 35.Kg1–/+) 28.Ne4 Bg7 (28...de4?! 29.Rb2 Rc5 30.Rc2=) 29.Nd2 Qe7 30.Rc1 Ra8 31.Rc6 Qa7 32.Nf3 Bf6 33.Qc2 Kg7 34.Rd6 Be7+= 35.Qc3 Bf6 36.Qc6 Qa4 37.Rd7 Ra7 38.Qe6+= Rd7 39.Qd7 Qe4 40.Qc6 Qe6 41.Qc7 Be7 42.Qc3 Bf6 43.Qc7 h6 44.Qc2 Qe8 45.Qc6 Qe6 46.Qc2 Kf8 47.Qd3 Ke7 48.Kg3 Qd6 49.Kg2 Qc5 50.Kg3 Ke6 51.Kg4 Qc4–/+ 52.Qb1 Bc3 53.Kg3 Kd6 54.Qc2 Bf6 55.Qd2 Kc5 56.h4 Kb5 57.Nd4 0–1. Giampa,A (2215) – Mahia,G (2375), Buenos Aires ARG, 3rd Duchamp Open (j), 2013. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 g6 5.b4 Bg7 6.Bb2 0-0 7.d4 Bg4 8.h3 Bf3)

9.gf3 Nbd7 10.f4 e6 11.c5 b6 12.Bd3 Rb8 13.Qd2 bc5 14.bc5 Nh5 15.Nd1 Qh4 16.Bc3 f6 (16...Rfe8 17.Qc2=) 17.Qe2 (17.Qc2 e5 18.Qa4 ed4 19.Bd4 Nf4 20.ef4 Qf4=) 17...f5= 18.Kd2 (18.Qc2 Rf7=) 18...g5 (18...Nhf6 19.f3=) 19.fg5= e5 20.Rg1 ed4 21.ed4 Bd4 (21...Rbe8 22.Qf1 Bd4 23.g6–/+) 22.Qe6 White prepares g6 22...Rf7 23.g6 (23.Qc6? Qf4 24.Kc2 Bc3 (24...Nc5 25.g6 hg6 26.Rg6 Ng7 27.Rg7 Kg7 28.Qc5 Bc3 29.Nc3–/+) 25.Nc3 Qf2 26.Ne2 Nf4–/+) 23...hg6 24.Qg6 Ng7 25.Qc6 Bc3 26.Kc3 Qb4 27.Kc2 Qd4 28.Nc3 Qd3! 29.Kd3 Ne5 30.Kd4 Nc6 31.Kd5 Rf6 32.Rae1? (better 32.Rab1 Rd8 33.Kc4–+) 32...Rb4–+ 33.Re6 Rd4 34.Kc6 Re6 35.Kb5 a6 36.Ka5 Rc4 37.Na4 Re2 38.a3 Rf2 39.Rb1 Ne6 (39...Rf3 40.Rb8 Kf7 41.Rb4–+) 40.Rb8 Kf7 41.Rb7 Kf6 42.Rb6 (42.Rb4 Rb4 43.ab4 Ra2–+) 42...Ra2 43.Ra6 (43.Rb4 Rb4 44.Kb4 f4–+) 43...Ra3 44.Kb5 Rca4! 45.Ra4 Ra4 46.Ka4 0–1. Suvrajit,S (2215) – Neelotpal,D (2450), Kolkata IND (5), 2018. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

9.Qf3 Na6 10.a3 Nc7 11.Rd1 Qd7 12.Be2 a5 13.b5 cb5 14.cb5 Rac8 15.0-0 Na8 16.Na4 Ne4 17.Bd3 f5 18.Qe2 b6 19.Rc1 Nd6 20.Rc3 Rc3 21.Bc3 Rc8 22.Rc1 Nc4 23.Bc4 Rc4 24.Nb2 Rc8 25.Nd1 Nc7 26.a4 Ne8 27.Bb2 Rc1 28.Bc1 Nd6 29.Qc2 Kf7 30.Nb2 Ke8 31.Kf1 Kd8 32.f3 f4 33.Nd3 fe3 34.Be3 Nf5 35.Qf2 Qc7 (35...Ne3?! 36.Qe3 Qc7 37.Qe6=) 36.Ne5 Qc3 (36...Ne3?! 37.Qe3 Be5 38.de5+=) 37.Nc6 Ke8 38.Ke2 Qc2 (38...Ne3?! 39.Qe3 Qc2 40.Ke1=) 39.Ke1 Qa4 40.g4 Qa1 41.Kd2 Qb2 42.Kd1 Qb5 43.gf5 Qc6 44.fg6 Qg6 0–1. Werk,Manfred (2070) – Muehrlein,Christoph (2120), Emmendingen GER, Badischer Ch–A, 2012. (=1.Nf3 Nf6 2.c4 d5 3.d4 g6 4.Nc3 Bg7 5.e3 c6 6.b4 0-0 7.Bb2 Bg4 8.h3)

9.Qf3 Na6 10.a3 Nc7 11.Be2 dc4 12.Bc4 e5 13.de5 (13.Rd1 ed4 14.Ne2 Nd7 15.Bd4 Bd4 16.Rd4 Ne6 17.Be6 fe6+=) 13...Nd7 14.0-0-0 (14.Ne4 Ne5 15.Be5 Be5=) 14...Qe7= 15.Qe4 Ne5? (better 15...a5=) 16.f4+– a5 17.fe5 ab4 18.ab4 Kh8 (18...b5 19.Bb3+–) 19.h4 Be5 (19...Ne6 20.h5 Ng5 21.Qd4+–) 20.h5 Kg7 21.Rd7! Qf6 (21...Qd7 22.hg6 Combination) 22.Rf1 (22.Rf1 Qg5 23.hg6 hg6 24.Bf7+–) 1–0. Kamilsson – Pointer, internet, 2020.

9.Qf3 Na6 10.a3 Nc7 11.Be2 Qd7 12.0-0 Qf5 13.Qf5 gf5 14.g3 Ne4 15.Rfd1 Nc3 16.Bc3 dc4 17.Bc4 Rfd8 18.Rdc1 e6 19.Rab1 Nd5 20.Be1 Rac8 21.a4 Bf8 22.Kg2 b5 23.ab5 cb5 24.Bb5 Rc1 25.Rc1 Rb8 26.Be2 Bb4 ½–½. Domingo Martin,F – Ledo Garcia,JB, Spain–Cup2 corr, 1987. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

9.Qf3 Na6 10.a3 Nc7 11.Be2 e5 12.de5 Nd7 13.cd5 Ne5 14.Qg3 cd5 15.Rd1 Qe7 16.Nd5 Nd5 17.Rd5 Nf3 18.Qf3 Bb2 19.0-0 Ba3 20.Rfd1 Rad8 21.Rd8 Rd8 22.Rd8 Qd8 23.Qb7 Qd2 24.g3 (better is 24.Qa7!? Bb4 25.Qb8 Bf8 26.Bf1+/–) 24...Qe2= 25.Qc8 Kg7 26.Qc3 Kg8 27.Qa3 Qd1 28.Kg2 Qd5 29.Kh2 Qd2 30.Kg1 (worse is 30.Qa7 Qf2 31.Kh1 Qg3–/+) 30...Qd1 31.Kg2 ½–½. Postny,E (2595) – Ftacnik,L (2565), Schachbundesliga, 2010. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3)

9.Qf3 Qd6 10.a3 Nbd7 11.Qd1 e5 12.cd5 cd5 13.Be2 Rfc8 14.0-0 a5 15.Qb3 ed4 16.Nb5 Qe7 17.Bd4 Ne5 18.Nc3 ab4 19.ab4 Ra1 20.Ra1 Nc6 21.Bc5 Qd8 22.Rd1 b6 23.Bd4 Nd4 24.Rd4 Rc3 25.Qc3 Ne4 26.Qd3 Bd4 27.Qd4 Qf6 28.Qf6 Nf6 29.f3 Kf8 30.Kf2 Ke7 31.Ke1 Kd6 32.Kd2 Ng8 33.Bb5 Ne7 34.Be8 f6 35.Kd3 Nf5 36.g4 Nh4 37.f4 g5 38.fg5 fg5 39.e4 Ng2 40.Kd4 Nf4 41.ed5 Nd5–/+ 42.Bf7 Nf4 43.Ke4= Nh3 44.Kf5 h6 45.Kg6 Ke5 46.Kh6= Kf4 47.Be6 Nf2 48.Kh5= Nd3 49.b5 Nb4 50.Kg6 Nc2 51.Bd7 Ne3 52.Kh5 Nc4 53.Be6 Ne5 54.Bc8 Nf3 55.Kg6 Nh2 56.Kh5 Nf1 57.Kg6?? Ne3–+ 58.Kf6 Ng4 59.Ke6 Ne3 60.Kd6 g4 0–1. Freise,Helmut – Huebner,Robert (2585), GER–chT SW, 1975.

9.Qf3 Qd6 10.a3 Nbd7 11.cd5 cd5 12.Bb5 a6 13.Bd7 Qd7 14.0-0 Rfc8 15.Rac1 e6 16.Qd1 Ne8 17.Qb3 Nd6 18.Na4 Nc4 19.Rc2 Rc6 20.Rfc1 Bh6 21.Kh1 b6 22.Bc3 Rac8 23.Be1 Bf8 24.Nb2 h5 (24...Nd6 25.Qd3+=) 25.Kg1 b5 26.Nd3 Bd6 27.Nc5 Qe7 28.Qd3 e5 29.e4 de4 (worse is 29...Bc5 30.ed5 (worse is 30.bc5 Qe6+=; worse is 30.dc5 de4 31.Qe4 Na3+=) 30...Bd4 31.dc6 Rc6 32.Qe2+=) 30.Ne4 ed4 31.Qd4 Be5 32.Qd3 (better is 32.Qd5!?–/+) 32...Bf4–+ 33.Rd1 Re6 34.Re2 Re8 (34...Bc7!? 35.Qd7 Qd7 36.Rd7 f5+=) 35.Bc3= Be5 (35...Re4?? 36.Re4 Be5 37.Be5 Ne5 38.Qd5+–) 36.Rde1 Rd8 37.Qf3 Bc3 38.Nc3 Re2 39.Re2 Qg5 40.Ne4 Qc1 41.Kh2 Qa1 (41...Rd1 42.g3 h4 43.Nc5+=) 42.Nf6 Kg7 43.Ne8 Re8 44.Re8 Nd2 45.Qe2 Nf1 46.Kg1 Ne3 47.Kh2 Nf1 48.Kg1 ½–½. Duzhakov,Ilya (2325) – Jumabayev,Rinat (2565), St Petersburg RUS, Chigorin Mem, 2013. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3 Bf3)

9.Qf3 Qd6 10.c5 Qc7 11.Be2 e5 12.Qg3 Ne8 13.de5 Be5 14.Qf3 Nd7 15.Bd3 (15.a3!?=) 15...a5+= 16.a3 ab4 17.ab4 Ra1 18.Ba1 b6 19.0-0 bc5 20.b5 Nef6 21.bc6 Qc6 22.Bb5 Qd6 23.Bd7 Bc3 (23...Nd7?! 24.Nd5 Rd8 25.e4=) 24.Bc3 Ne4 (24...Nd7?! 25.Rd1 Nb6 26.Ba5=) 25.Bb2 Qd7 26.Qf4 f6 27.Rd1 Qe6 28.Qc7 Rc8 29.Qb7 Rd8 30.Ra1 Qf7 31.Qb6 Rd6 32.Qb8 Qf8 33.Qb7 Qf7 34.Qb8 Qf8 35.Qb7 Qf7 36.Ra8 Kg7 37.Qb8 Rd7 38.Qh8 Kh6 39.Rf8 Qg7 40.f3 Qh8 41.Rh8 Ng3 42.Bf6 d4 43.ed4 cd4 ½–½. Soppe,Guillermo (2370) – Gomez Baillo,Jorge H (2295), ARG–ch Buenos Aires, 1985.

9.Qf3 Nbd7 10.cd5+/– cd5 11.Nd5 Rb8 12.Bc4 b5 13.Bd3 a6 14.Nf6 Nf6 15.Qc6 (15.a3 Nd7+/–) 15...Rb6 16.Qc5 Re8 17.Rc1 Nd7 (17...e5 18.de5 Nd7 19.Qc7 Ne5 20.Qd8 Rd8 21.Be5 Be5 22.Ke2+/–) 18.Qc7 Qc7 (18...e5 19.d5+/–) 19.Rc7+– Rd6 20.0-0 (better is 20.a4!? ba4 21.Ba3+/–) 20...e5+= 21.Rfc1 (21.Be4!? ed4 22.Bc6 de3 A) 23.Rd7 Rc6 24.Bg7 e2–/+ (24...Kg7?! 25.fe3 Rf6 26.Rf6 Kf6 27.Kf2=); B) 23.Bd7+=) 21...ed4= 22.R1c6? Rc6–+ 23.Rc6 Ne5 24.Ra6 Nd3 25.Bd4 Bd4 26.ed4 Nb4 27.Ra5 Nc6 28.Rb5 Nd4 29.Ra5 Re1 30.Kh2 Ra1 31.a4 Ra2 32.Ra6 Rf2 33.a5 Ra2 34.Ra8 Kg7 35.a6 Ne6 36.h4 Nc7 37.Kh3 Ra6 38.Rc8 Ra3 39.g3 Ne6 40.Rb8 h5 41.Rb4 f5 42.Rc4 Kf6 43.Rb4 f4 44.Kg2 Rg3 45.Kh2 Rg4 46.Kh3 f3 47.Rb2 Nf4 48.Kh2 Rg2 49.Kh1 Rb2–+ 50.Kg1 Rh2! 51.Kf1 Nd3 52.Kg1 Rh4 53.Kf1 Rh1# 0–1. eddieteijeiro (2100) – andoni (2140), net–chess.com, 2007.

9.Qf3 e5 10.de5 Nfd7 11.Qd1 a5 12.b5 a4 13.Rc1 (13.Ba3!? Qa5 14.Rc1 Be5 15.Qd2+=) 13...dc4 14.Bc4 Qh4 (14...Ne5 15.Be2=) 15.Qg4 (15.Na4 cb5 16.Bb5 Qb4 17.Nc3 Qb2–+) 15...Qe7 (15...Qg4 16.hg4 Ne5 17.Be2+=) 16.e6 (better is 16.bc6!? bc6 17.f4+/–) 16...Ne5= 17.ef7 Kh8 18.Qe2 Qb4 19.Be6 Qb2!? 20.Qb2 Nd3 21.Kd2 Nb2 (21...Nc1?? 22.Rc1 Nd7 23.bc6 bc6 24.Bd7 Rf7 25.Bg4 Rf2 26.Be2 Rg2 27.Qb6+–) 22.a3 cb5 23.Nb5 Nc6 24.e4 Ra5 25.Nc7 Nd4 26.Ra1?? (better is 26.Ke3+=) 26...Rc5–+ (26...Ne6?! 27.Ne6 Rf7 28.Ng7 Kg7 29.f3–+) 27.Rhc1 0–1. Valenzuela Gomez,Fernando (2150) – Lemos,Damian (2540), Montevideo URU, 2nd Latinoamerican Cup, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 c6 4.Bb2 Bg7 5.e3 0-0 6.d4 d5 7.Nc3 Bg4 8.h3)

9.Qf3 e5 10.de5 Nfd7 11.cd5 Ne5 12.Qd1 Qh4 13.Qb3 Nbd7 14.Be2 Nb6 15.Rd1 cd5 16.0-0 (better is 16.Nd5!? Rfd8 17.Nb6 Rd1 18.Bd1 ab6 19.Be2+–) 16...Nec4+= 17.Ba1 Rfd8 18.Nd5 Ba1 19.Nb6 Nb6 20.Ra1 Rd7 21.a4 Rc7 22.a5 Nd7 23.Rac1 Rac8 24.Rc7 Rc7 25.Rd1 Qf6 26.f4 Rc3 27.Qd5 Re3 28.Bg4 (28.Qd7?! Re2 29.Qb7 Qf4 30.Qa7 Qb4 31.Rd8 Kg7 32.Qd4 Qd4 33.Rd4 Ra2=) 28...Nf8 29.Qb7 h5 30.Bf3 Re7 31.Qb8 Kg7 32.Qd6 Ne6 33.f5! Ng5 34.Qf6 Kf6 35.fg6 Nf3 36.gf3 fg6 37.b5 Kg5 38.Rb1 Rc7 39.b6 ab6 40.ab6 Rb7 41.Rb4 Kf5 42.Kf2 h4 43.Ke3 Re7 44.Kd3 Rd7 45.Kc3 Rb7 46.Kb3 Ke6 47.Kc4 g5 48.Kc5 Kd7 49.Rd4 Kc8 50.Kc6 Rf7 51.Rd6 Rg7 52.Rf6 Rg8 53.b7 Kb8 54.Kb6 g4? 55.hg4+– Rh8 56.g5 Rg8 57.g6 (57.g6 h3 58.g7 Re8 59.Rf8 Rf8 60.gf8Q#) 1–0. Villeneuve,Alain (2260) – Monnard,Laurent (2300), FRA–ch, 1979. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.b4 0-0 6.e3 Bg4 7.Bb2 c6 8.h3)

9.Qf3 e5 10.de5 Nfd7 11.cd5 Ne5 12.Qg3 Na6 (12...cd5 13.Rd1 Nec6 14.Nd5 Bb2 15.Nc7–/+) 13.f4 (13.Ba6 ba6 14.Rd1 Nc4+/–) 13...Qd6? (13...Nb4!? 14.fe5 Nc2 15.Kf2 Na1 16.Ba1 Re8=) 14.a3+/– Nb4 15.0-0-0 (15.ab4 Qb4 16.Ra2 Nc4 17.Bc4 Bc3 18.Bc3 Qc3 19.Kf2 Qc4–/+; worse is 15.fe5 Nc2 16.Kd2 Be5+=) 15...Ned3 16.Bd3 (16.Rd3?! Nd3 17.Bd3 Bc3 18.Bc3 Qa3 19.Kd2 Qa2 20.Ke1 Rad8=) 16...Bc3 17.Bc3 Nd3 18.Rd3 Qa3 19.Kd1 cd5 20.Ke2 Qa2 21.Kf3 Qc4 22.Rhd1 Qe4 23.Kf2 b5 24.Qg5 b4 25.Bf6 (25.Bf6 Qe6 26.Rd5+–) 1–0. Grebenshikov,V (2305) – Savina,Anastasia (2205), Dubna IM, 2007.

9.Qf3 Re8 10.Qd1 Nbd7 11.Qb3 e6 12.Be2 Nb6 (12...dc4 13.Qc4 e5 14.Rd1=) 13.0-0 (13.c5 Nbd7+=) 13...Nc4 14.Bc4 dc4 15.Qc4 Nd5 16.Rab1 b5 17.Qb3 (worse is 17.Qc6 Rc8 18.Qb5 Nc3 19.Bc3 Rc3–+) 17...a5 18.Nd5 Qd5 19.Qd5 cd5 20.ba5 Ra5 21.Bc3 Ra3 22.Rb3 Rb3 23.ab3 Bf8 24.Bb2 Bb4 (24...Kg7 25.f3+=) 25.Ra1= Rc8 26.Rc1 Ra8 27.Ra1 Rc8 28.Rc1 Ra8 29.Ra1 ½–½. Malakhatko,V (2530) – Pashikian,A (2615), 3rd Al Ain Chess Classic, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

9.Qf3 Re8 10.Rd1 Qb6 11.a3 e6 12.Bd3 Nbd7 13.0-0 Rad8 14.Rd2 Qc7 15.Rc1 Qb8 16.Qe2 (16.cd5!? ed5 17.b5+/–) 16...e5= 17.de5 Ne5 18.cd5 Nd5 19.Nd5 Rd5 20.Be4 Rd2 21.Qd2 f5 22.Bc2 Rd8 23.Qe2 Kf8 24.Bd4 Nd7 25.Bb3 Bd4 26.Qc4 Kg7 27.ed4 Qd6 28.Re1 Kh6? (better is 28...Qf6!?+=) 29.d5+– f4 30.Re6 (30.dc6 bc6 31.Re6 Qf8+–) 30...Qf8 (better is 30...cd5!? 31.Qe2 Qf8+/–) 31.dc6+– Nb6 32.Qc5 bc6 33.Qf8 (33.Qc6 Qf5 34.Re7 Nc8+–) 33...Rf8+/– 34.Rc6 Rd8 35.Rc7 Rd3 36.Bg8 Ra3? (36...Rd1 37.Kh2 Rd7 38.Rd7 Nd7 39.g3+/–) 37.h4+– (37.Rh7?! Kg5+/–; 37.Bh7?! Nd5 38.Rf7 Nb4+=) 37...Kh5?? (37...Ra1 38.Kh2 g5 39.Rh7 Kg6 40.h5 Kf5 41.Rf7 Ke5+–) 38.Rh7 Kg4 39.Be6 1–0. Chatalbashev,Boris – Escobedo Tinajero,Alberto, Wch U18 Timisoara, 1988. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3)

9.Qf3 Re8 10.Bd3 dc4 (10...e5 11.de5 Nfd7 12.cd5 Ne5 13.Qd1 Nd3 14.Qd3 cd5 15.0-0=) 11.Bc4+= e6 (11...Nbd7 12.Rd1+=) 12.g4 (12.0-0 Qd6 13.a3 Nbd7+=) 12...Nd5= 13.Bd5 (13.a3 Nd7=) 13...ed5 14.Ne2 (14.0-0 f5=) 14...Nd7 15.h4 Qf6 (15...Nb6 16.h5=+) 16.Nf4 White prepares h5 (16.Qf6!? Nf6 17.g5=) 16...Re4 17.h5?? (better 17.a3=+) 17...Rae8 (17...g5 18.0-0-0–+) 18.0-0-0? (18.hg6 hg6 19.0-0-0–+) 18...g5 19.h6 Bh8 (19...gf4 20.g5 Qg6 21.hg7 fe3 22.Qh3 ef2 23.Bc3–+) 20.Kb1 (20.Rh5 gf4 21.Rf5 Qh6–+) 20...gf4 21.Qf4 (21.Rhe1–+) 21...Rf4 22.ef4 Qf4 23.Rh4 (23.g5 Re2 24.Rh3 Qf5 25.Rhd3 Qf2–+) 23...Qf2 24.g5 Qh4 (24...Re2 25.Bc1 Qf5 26.Re4 Qe4 27.Ka1 Qc2 28.Bd2 Bd4 29.Bc3 Qd1) 25.Rg1 Re1 (25...Qe4 26.Kc1 Qe3 27.Kb1 Qg1 28.Kc2 Re2 29.Kb3 Qb1 30.Ka4 Qa2 31.Ba3 Nb6 32.Ka5 Qa3) 26.Re1 Qe1 27.Bc1 0–1. Agiant (1605) – luigi_doc (1670), lichess.org, 2019.

11.a3 Qa5 12.Rc1 Nbd7 13.cd5 cd5 14.Be2 Ne4 15.0-0 Nd2 16.Qd5 Nb6 (16...Nf1? 17.Qd7 (17.Rf1?! Nb6 18.Qb7 Ra7=; 17.Kf1?! Nb6 18.Qb7 Ra7+=; 17.Bf1?! Nb6 18.Qb7 Ra7+/–) 17...Nd2 18.Nd5+–) 17.Qb7 Ra7 18.Qc6 Rc8 (18...Rc8 19.Qc8 Nc8+=) 0–1. COMP Mephisto Berlin (2235) – Cerneanu,Norbert (2515), HUN–chT, 2004. (=1.d4 g6 2.c4 Nf6 3.Nf3 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

11.a3 Qa5 12.Bd3 dc4+= 13.Bc4 Rc8 (13...cb5!? 14.Bd3 b4+=) 14.0-0 cb5 15.Be2 Nbd7 16.Nb5 (worse is 16.Qb7 Rab8 17.Qf3 Rc3 18.Bc3 Qc3–/+) 16...Rc2 17.Rab1?? (better is 17.Ra2+=) 17...Qd2–+ 18.Qb7 Rb8 19.Qb8? (19.Qa7 Qe2 20.Nc3–+) 19...Nb8 20.Ba1 Qe2 21.Nc3 Qc4 22.Rb8 Bf8 0–1. Matuszewski,M (2300) – Melkumyan,H (2530), Najdorf Mem Open, Warsaw Poland, 2009.

11.Rc1 Qa5 12.Bd3 cb5 13.cb5 Nbd7 14.0-0 e6 15.Rc2 Rfc8 16.Rfc1 a3 17.Ba1 Qd8 18.Nb1 Bf8 19.Bc3 Nb6 20.Qd1 Nc4 21.Ba1 Nb6 22.Nd2 Ne8 23.Rc8 Rc8 24.Bc3 Qd7 25.Ba5 Rc1 26.Qc1 Na4 27.Qc2 Nb2 28.Bf1 Nd6 (28...Nc4 29.Bc4 dc4 30.Nc4 Qb5 31.Bd2=) 29.Qb3+/- Nbc4 30.Nc4 (30.Bc4?! dc4 31.Qa3 Qb5=) 30...dc4 31.Bc4 Qc8 32.Bd3 (32.Bf1 Qc1+/-) 32...Qc1 33.Kh2 Nf5 (33...Qb2 34.Qb2 ab2 35.Bc3+/-) 34.Qc2 Bd6 35.g3 Ng3 36.Qc1 Ne2 37.Kg2 Nc1 38.Bc4 1-0. Ivanchuk,V (2675) - Svidler,P (2720), Legends of Chess Prelim, 2020. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4)

11.Rc1 Qa5 12.Bd3 dc4 13.Bc4 e5 14.Ba3 ed4 15.Bf8 dc3 16.Bg7 Kg7 17.e4 c2 18.Ke2 Nbd7 19.Rc2 Re8 20.Qc3 (20.bc6 bc6 21.Rhc1 Re4 22.Kf1 Qg5+=) 20...Re4 21.Kd1 Qb6 22.Re1 Rd4 23.Kc1 cb5 24.Bb5 Nd5 (24...Qb5 25.Qb2 Double attack (25.Qd4 Deflection; 25.Qb2 Decoy; 25.Qd4 Overloading)) 25.Qa1 N7f6 26.a3 Nf4 27.Bf1 Ne6 28.Rd1 (better is 28.Qb2 Qd6 29.Kb1+=) 28...Nc5–/+ 29.Rc3 Nb3 30.Rb3 Rd1 31.Kd1 ab3 32.Qb2 Qe6 33.Qd4 Qc6 34.Qb2 Qe6 35.Qd4 Qc6 36.Qb2 Qd5 37.Kc1 Qe4 38.Kd1 Qf4 39.f3 Qe3 40.a4 b6 41.h4 h5 42.Be2 Qg1 43.Kd2 Qg2 44.Qb3 Qf2 45.Qc4 Nd7 46.Qd5 Nf8 47.Qe5 Kg8 48.Kc3 Qe1 49.Kc4 Ne6 50.Kd5?! Qh4 51.Bb5 Qd8 52.Kc6 h4 53.Kb7 Nc5 54.Kc6 Na4! 55.Ba4 Qa8 (55...Qa8 56.Kb6 Qa4–+) 0–1. Posedaru,B (2350) – Horvath,Cs1 (2515), SPA Open A Amsterdam NED, 2011. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

11.Rc1 Qa5 12.cd5 cd5 13.Bd3 Nbd7 14.0-0 a3 15.Ba1 Nb6 16.Nb1 Rfc8 17.Bc3 Qa4 18.Bd2 e6 19.Nc3 Qa7 20.Nb1 Ne8 (20...Qa4!?=) 21.Bb4+/– Bf8 22.Bf8 Kf8 23.Nd2 Na4 24.Nb3 b6 25.e4 Nc3 26.Rc2 de4 27.Be4 Ne4 28.Rc8 Rc8 29.Qe4 Qd7 30.Rd1 (30.Qe5 Kg8+=) 30...Nc7 (30...Nd6!? 31.Qe5 Kg8–/+ (worse is 31...Nb5 32.Qh8 Ke7 33.Qh7+=)) 31.Qe5 Kg8 32.Rc1 Nd5 33.Rc8 Qc8 34.Qd6 Qa8 (34...Qc3 35.Qb8 Kg7 36.Qe5 Kh6 37.Qe2–/+) 35.Nd2= Qa5 36.Qb8 Kg7 37.Qe5 Kf8 38.Qd6 Ke8 39.Nf3 Qa7? (39...Qb5 40.Ne5 Qb1 41.Kh2=) 40.Qc6 (better is 40.Ne5!? Qe7 41.Qb8 Qd8 42.Qb7+/–) 40...Kf8= 41.Ne5 Kg7 42.Qe8 Qc7 43.g3 Nc3 44.Nd7 Qd6 45.Qd8 Nb5 46.Qf6 Kg8 47.Qd8 Kg7 48.Qf6 Kg8 49.Qd8 Kg7 50.Qf6 Kg8 1–0. Svetushkin,Dmitry (2585) – Drozdowski,Kacper (2435), 14th Euro Men Ch, 2013. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3)

11.a3 e5 12.de5 (12.Rd1 ed4 13.Rd4 Ne5+=) 12...Ne5 13.Qe2 Nc4 14.Qc4 a5 15.Rd1 Qe7 16.0-0 ab4 17.ab4 Nd7 18.Qb3 Nb6 19.b5 (19.Ne2 Bb2 20.Qb2 Nc4=) 19...c5 (19...Qe6!? 20.Qc2 Nc4 21.bc6 Nb2 22.cb7 Ra3 23.Qb2 Rb3=) 20.Nd5= Nd5 21.Rd5 (better 21.Bg7!? Kg7 22.Rd5=) 21...c4-/+ 22.Qc2 (22.Qc4 Bb2 Deflection) 22...Ra2 23.Rb1?? (better 23.Bf6! Qa3 24.Be7 Rc2 25.Ba3=+) 23…c3!-+ 0-1. carlos78 (2170) - zuckertort (2370), Rated Blitz game, lichess.org, 2015.

11.Rd1 a5 12.b5 Nb6 13.Be2 Nfd5 14.0-0 a4 15.Ne4 a3 16.Ba1 e6 17.Rb1 Qe7 18.bc6 bc6 19.Rfc1 Nb4 20.Nc5 N6d5 (20...Na2? 21.Rc2 Na4 22.Rb7+–) 21.Bc4 Rfb8 22.Rb3 e5 23.Rcb1 ed4 24.Bd4 Bd4 25.ed4 Qc7 26.g3 Rb6 27.Ra3 Ra3 28.Qa3 Nc2 29.Qa8 Kg7 30.Rb6 Nb6 31.Qa5 Nd4 32.a4 Nf3 33.Kg2 Ne5?? (better is 33...Nd4+/–) 34.Bb3+– h5 35.Qb4 (better is 35.f4 Kg8 36.Na6+– (36.fe5?! Qe5 37.Kf1 Qf5 38.Ke2 Qe5 39.Kd2 Nd5+–)) 35...Nbd7 36.a5 Nc5 37.Qc5 Qb7?? 38.a6 Qb3 39.Qe5 Kh7 40.Qa5 (40.Qa5 Qc4 41.a7 Qe4 42.Kh2+–) 1–0. Torre,Eugenio (2530) – Nolte,Rolando (2400), Manila Pichay Cup op, 2007. (=1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.Nf3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3 9.Qf3 dc4 10.Bc4 Nbd7)

11.Rd1 e5 12.d5 c5 13.bc5 Nc5 14.0-0 a6 15.d6 e4 16.Qe2 b5 17.Bb3 Qd7 18.Nd5+= Nd5 19.Rd5 Rac8 20.Bg7 Kg7 21.f3 f6 22.Rd4 Rc6 23.Rfd1 ef3 24.Qf3 f5 25.Qd5 Nb3 26.ab3 Rfc8 27.Qe5+= Kf7 28.e4 Qe6 29.Qf4 Rc5? 30.d7 Rd8 31.Qh4 Qf6 32.Qh7 Qg7 33.Qh4 Qf6 34.ef5 Rf5 35.Qe4 a5 36.Rd6 Qe5 37.Qh4 Rh5 38.Qf2 Kg7 39.Qb6 Qg5 1–0. Janssen,R (2465) – Nijboer,F (2575), Essent ch–NED, Leeuwarden NED, 2002.

11.Qe2 e5 12.de5 Ne5 13.0-0 Qe7 14.b5 Nc4 15.Qc4 cb5 16.Nb5 Rfc8 17.Ba3?? (better is 17.Qd3=) 17...Rc4–+ 18.Be7 Nd5 19.Bh4?? (better is 19.Bd6 Ba1 20.Ra1–+) 19...Ba1 (worse is 19...Rh4 20.Rac1–+) 20.Ra1 Rh4 0–1. Kramer,C – Loew,H, Oberschwaben–ch, 1992.

12.b5 ed4 13.ed4 Nb6 14.Bb3 Qd6 (14...Qd4 15.bc6 bc6 16.Rfe1=) 15.bc6 (15.Rfe1 Nbd5+=) 15...bc6 16.Rfd1 (16.Rfe1 Rae8+=) 16...a5 (16...Rab8 17.Re1=) 17.Na4 Nbd5 18.Rac1 Rab8 (18...Rfe8 19.Ba3 Qe6 20.Nb6+=) 19.Rc5 Ra8 (19...Rfe8 20.Rdc1 Qf4 21.Rc6 (worse 21.Bd5 Nd5 22.Rc6 Qf3 23.gf3 Nb4=+) 21...Qf3 22.gf3+=) 20.Ba3 (20.Rdc1 Qf4 21.Qf4 Nf4+–) 20...Qd7 21.Rc2 Rfc8 (21...Rfe8 22.Nc5 Qe7 23.Bc1+=) 22.Nc5 Qa7 (22...Qf5 23.Qf5 gf5 24.Nd3+–) 23.Bc1 Nb6 24.Na4 Nfd5 25.Nb6 (25.Be3 Ne3 26.fe3 Nd5+–) 25...Qb6 The isolani on d4 becomes a target (25...Nb6 26.a4 Nd5 27.Bg5+– (worse 27.Bd5 cd5 28.Rc5 Rc5 29.dc5 Qc5=)) 26.Bg5 h6 (26...Bd4? 27.Rc6! Bf2 28.Kh1 (28.Qf2?! Qf2 29.Kf2 Rc6 30.Bd5 Rc2 31.Kg3 Re8+–) 28...Qc6 29.Bd5+–) 27.Bh4 (27.Be3 Qd8+–) 27...g5 (27...Qb7 28.Rc6! Rc6 29.Bd5+–) 28.Bg3 a4 (28...Rd8 29.Rdc1 Qd4 30.Rc6+–) 29.Rc6!+– Rc6 (29...Qc6 30.Bd5 Double attack (30.Bd5 Decoy); 29...Rc6 30.Bd5 Double attack (30.Bd5 Decoy)) 30.Bd5 Rf6 31.Bf7! Rf7 (31...Rf7 32.Qa8 Double attack (32.Qa8 Discovered attack); 31...Kf7 32.Qd5 Double attack (32.Qa8 Discovered attack)) 32.Qa8 Rf8 (32...Kh7 33.Qe8 Qb7 34.d5+–) 33.Qa4 Rd8 (33...h5 34.Qc2+–) 34.d5 Bf8 (34...Qb7 35.d6 Qd7 36.Qb3 Kh8 37.a4+–) 35.Qe4 (35.d6 Qc5+–) 35...Qf6 (35...Qb7 36.a4+–) 36.d6! Qf7 (36...Bd6 37.Qd5 Double attack (37.Qd5 Decoy)) 37.a4 Rd7 (37...Bg7 38.a5+–) 38.a5 Qb3 (38...Rd8 39.a6 Qd7 40.Qd5 Qf7 41.d7 Qd5 42.Rd5+–) 39.Re1 (better 39.Rc1!? h5 40.a6 Kg7+–) 39...Qf7 (39...g4 40.Qg4 Rg7 41.Qd4+–) 40.a6 Bd6 (40...Qh7 41.Qd4 Qf7+–) 41.Bd6 Rd6 42.a7! Qa7 (42...Qa7 43.Qe7 Double attack (43.Qe7 Decoy)) 43.Qe8 (43.Qe8 Kg7 44.Re7 Qe7 45.Qe7 Kh8 46.Qd6 Kg7 47.Qe7 Kg6 48.g4 h5 49.gh5 Kf5 50.f3 g4 51.hg4 Kf4 52.Qe4 Kg5 53.Qf5 Kh4 54.Qe5 Kh3 55.Qh2) 1–0. Yakubboev,Nodirbek – Bakshi,Rutuja, Delhi, 2020.

12.Rad1 Qe7 13.a3 Rad8 14.Rfe1 (14.b5 Nb6 15.Bb3 ed4 16.ed4 Qd6=) 14...Nb6 15.Bb3 e4 16.Qe2 a6 17.Qc2 Rfe8 18.Rc1 Bf8 19.Na4 Na4 20.Ba4 Nd5 21.Bc3 h5 22.Bd2 Qf6 23.Bb3 h4 24.Qa2 Kg7 25.Rb1 Rd7 26.Bc4 b5 (26...Bd6 27.Bd5 cd5 28.b5=) 27.Be2 Bd6 28.Rf1 (28.Rbc1!?=) 28...Bc7+= 29.f4 ef3 30.Rf3 Qd6 31.Bf1 Rde7 32.Qb3? Qh2–+ 33.Kf2 Bg3 34.Ke2 Qg1 35.Kd1?? Re3 36.Be3 Re3 37.Re3 Ne3 38.Ke2 Qf2 39.Kd3 Nf1 40.Rb2 Qf5 41.Ke2 Qe4 42.Kd1 Ne3 43.Kd2 Nc4 (43...Nc4 44.Kd1 Qd4 45.Kc2 Bf4–+) 0–1. Dominguez Fernandez,Angel (2010) – Ducarmon,Quinten (2455), Sevilla ESP, 2014. (=1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.Nc3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Bg4 8.h3 Bf3 9.Qf3 dc4)

12.Ne2 e4= 13.Qg3 Nb6 14.Bb3 Nfd5 (14...Nbd5 15.a3=) 15.a3 Bf6 (15...a5 16.ba5 Ra5 17.Bc3 Nc3 18.Nc3=) 16.Qg4 (16.Nc3 Re8+=) 16...Qe7 (16...Re8 17.Nc3 Nc3 18.Bc3=) 17.Ng3 (17.Nc3 Nc3 18.Bc3 Nd5+=) 17...Rfe8= 18.Rae1 (18.Rfc1 Bg5=) 18...Qe6 (18...Bg7 19.Rc1=) 19.Qe6 (19.Qe2 Be7=) 19...Re6 20.a4 (20.Rc1 a5=) 20...a5 21.b5 (better is 21.ba5!? Ra5 22.Ra1=) 21...cb5–/+ 22.ab5 Bh4 23.Ne2 Ree8 (23...a4 24.Ba2–/+) 24.Ba3 (24.Ra1 Rec8+=) 24...Be7 (24...a4 25.Ba2+=) 25.Bc5 (25.Ra1!?=) 25...a4–/+ 26.Ba2 Bg5 (26...Kg7 27.Ra1+=) 27.Rc1= Rac8 (27...Ra5 28.Bb6 Nb6 29.Rc7=) 28.Ra1 (28.Bb6 Nb6 29.Rc8 Rc8+= (worse is 29...Nc8 30.Bd5+/–)) 28...Ra8 29.Rfc1 Kg7 (29...Ra5 30.Rab1=) 30.Nc3+= Nc3 31.Rc3 Bd8 (31...Rec8 32.Rcc1 Bd8 33.Bb6 Rc1 34.Rc1 Bb6 35.Bd5+=) 32.Rac1 (32.Bb6!? Bb6 33.Bd5+/–) 32...Nd7 (32...Ra5 33.Bb6 Bb6 34.Ra3=) 33.Bb4 Bb6 34.Bd5 Ra7 35.Rc8 (35.Rc7 Bc7 36.Rc7 Rd8+=) 35...Rc8 36.Rc8 f5 (36...a3!? 37.Ba2 f5+/–) 37.Ba3 Kf6 38.Rh8 Kg7 39.Re8 (better is 39.Rg8 Kh6 40.g4 fg4 41.Be6+/–) 39...Kf6?? (better is 39...Kh6 40.Be6 Nf6+/–) 40.h4 f4 (40...Kg7 41.Re7 Kh6 42.Rd7+–) 41.Re7 (41.Re7 g5 42.Rd7 fe3 43.Rd6 Kg7 44.fe3 Bd4 45.Rd7 Kf6 46.ed4 gh4 47.Be4+–; 41.Be7 Kg7 42.Rg8 Kh6 43.Be4 Nf6 44.Bf6 Bd8 45.Bd8 fe3 46.Bg5 Kh5 47.Bf3) 1–0. Teichmann,Erik (2385) – Abayasekera,Roger (2200), BCF–ch Edinburgh, 1985.

12.Rfd1 ed4 13.Rd4 Qe7 14.Bb3 a5 15.ba5 Ra5 16.Rad1 Nc5 17.Bc4 Nfd7 18.R4d2 Ne5 19.Qe2 b5 20.Bb3 b4 21.Nb1 Ne4 22.Rc2 Rc5 23.Bd4+/– Ra5 24.Be5 Re5 25.Rc6 Bh6 26.Rd5 Nf2= 27.Re5 Nh3 28.gh3+/– Qe5 29.Qf3 Be3 30.Kf1 Bg5 31.Ra6?? Kg7?? 32.Ra7+/– Bf6 33.Nd2 Qa1 34.Qd1 Qc3 35.Nf3 Qe3 36.Rd7 Bc3 37.Qd3 Qf4 38.Kg2 Kh6 39.Rd5 f5 40.Rd7 Re8 41.Bd1 Re3 42.Qd6 Qd6+= 43.Rd6 Re7 44.Kf2 Ra7 45.Bb3 Kh5 46.Rd5 Re7 47.Rc5 Bf6 48.Rc6 Bc3 49.a4 Rd7 50.Rc4 Kh6 51.Rc5 Bf6 52.Rb5 Be7 53.Ne5 Rc7 54.Nc4 Bh4 55.Ke2 Re7 56.Re5 Rf7 57.a5 f4? 58.Nd2 Rc7 59.a6 Bf6 60.Re6 Bd4? 61.Re4 Be3 62.Rb4 Rc5 63.Nc4 Rc6 64.Ne3 Ra6 65.Rf4 Rb6 66.Bc2 Kh5 67.Rc4 Kh6 68.Rc5 Kg7 69.Ng4 h5 70.Rc7 Kf8 71.Ne3 g5 72.Rh7 h4 73.Rh5 Rb5 74.Bf5 1–0. Meissner,HJ (2215) – Hein,C (2150), LiraH Autumn, Lichtenrade GER, 2008.

12.Rfd1 Qe7 13.b5 ed4 14.ed4 Nb6 15.Bb3 Qd7 16.bc6 bc6 17.Rac1 Rac8 18.Na4 Na4 19.Ba4 Nd5 20.Rc5 Ne7 (20...Rfd8!?+=) 21.Ba3+/– Qb7 (21...Bd4? 22.Rc4 Rfd8 23.Bc5+– (worse is 23.Rcd4 Qd4 24.Rd4 Rd4+–; worse is 23.Rdd4 Qd4 24.Rd4 Rd4+–)) 22.Rc4 (22.Bb3!?+/–) 22...Rfd8+= 23.Be7 Qe7 24.Bc6 Rd4 25.Rcd4 Bd4 26.Rd4 Qe1 27.Kh2 Qe5 28.Qf4 Qf4 29.Rf4 Rc6 ½–½. Soppe,Guillermo (1920) – Bernat,Miguel (2410), La Falda op, 1977. (=1.e3 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 0-0 5.d4 d5 6.b4 c6 7.Bb2 Bg4 8.h3)

10.a3 Nbd7 11.Bd3 a6 12.0-0 Qc7 13.Rfc1 dc4 14.Bc4 Nb6 15.Bd3 Nfd5 16.Be4 Nc3 17.Rc3 (17.Bc3 Rad8 18.Rd1+=) 17...Nd5 (better 17...Na4 18.Rc2 e5=) 18.Bd5+/- ed5 19.Qd5 Rad8 (19...cd5? 20.Rc7 b5 21.Rac1+-) 20.Qf3 Qd6 21.Rac1 Rfe8 22.Rc5 Qe6 23.Qg4 Qb3 24.Qe2 (24.R1c2 Qa2+/-) 24...Bf8? (better 24...Bd4!? 25.Bd4 Rd4=) 25.R5c3 Qe6 26.Qg4 Qd5 27.Qf3 Qe6 28.Qg4 Qd5 29.Qf4 Bd6 30.Qf6 Be7 31.Qf3 Qe6 32.g4 (32.R3c2 Bf8+/-) 32...Bd6 33.Kg2 Bc7 34.Rc5 Qd6 35.Re5 (35.Rh1+=) 35...Qd7 (better 35...Re5 36.de5 Qd2=) 36.Re8+/- Re8 37.Rc5 (37.d5 cd5 38.Qf6 Kf8+/-) 37...Qd6 38.Re5 Re5 39.de5 Qd2 40.Bd4 Qd3 41.g5 Qa3?? (better 41...Qc4+/-) 42.Qf6 (42.e6 f5 43.gf6 Bg3 44.f7 Kf8 45.Bc5 Bd6 46.Bd6 Kg7 47.f8Q) 42...Qd3 43.e6 Qe4 44.Kg1 (44.Kf1 Qg2 45.Kg2 Be5 46.Qf7 Kh8 47.Be5) 44...Qb1= 45.Kg2 Qe4 46.Qf3 (46.Kf1 Qd3 47.Ke1 Qb1 48.Ke2 Qd1 49.Kd1 Be5 50.Qf7 Kh8 51.Be5) 46...Qf3 47.Kf3 1-0. ostrak11 (1915) - msda (1735), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 0-0 5.b4 d5 6.e3 c6 7.Bb2 Bg4)

10.Rc1 Nbd7+=.

10.c5 Nbd7 11.Be2 e5 12.0-0 ed4 13.ed4 Ne8 14.Rad1 Nc7 15.Bc1 Ne6 16.Be3 f5 17.g3 Nf6 18.Qg2 Qc7 19.f4 Rae8 20.Bf2 Kh8 21.a4 Rd8 22.Rfe1 (22.Rd2!?+=) 22...Ne4–/+ 23.Nb1 (23.Na2 g5 24.fg5 f4–+) 23...Rfe8 (worse is 23...Nf2 24.Qf2 Bf6 25.Na3+=) 24.Bf3 Bf6 25.Rd3 Qg7 26.Red1 g5 27.fg5 N6g5 28.Nd2? Nf2 29.Kf2 Bd4 30.Kf1 Bf6 31.Bh5 Rg8 32.Kg1 Ne4 33.Nf1?! Be5 34.Rf3 Rdf8 35.Rdd3 f4 36.g4 Nf6 37.Qe2 Nh5 0–1. Giani,Franco (2000) – Altshul,Raffael (2340), World Seniors, Condino ITA, 2009. (=1.e3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 Bg4 8.h3)

10.c5 Nbd7= 11.Be2 Re8 12.0-0 Qc7 (12...e5=) 13.Qg3 (13.Rfd1!?+=) 13...Qg3+= 14.fg3 e5 15.Rad1 Re7 (15...ed4 16.ed4 b5 17.cb6 Nb6 18.b5 cb5 19.Bb5+=) 16.g4 (16.b5+=) 16...e4 (16...Bh6!? 17.Kf2 ed4 18.ed4 Rae8+=) 17.g5 (17.Rb1 h5=) 17...Ne8 18.Bc1 (18.b5 f6=) 18...f5 (18...f6 19.gf6 Nef6 20.b5=) 19.Bd2 (19.b5 Nc7=) 19...Nc7+= 20.Be1 Ne6 21.Bg3 Ng5 22.b5 (better is 22.Bd6 Rf7 23.b5+=) 22...Nc5?? (22...Rf7!?+=) 23.Nd5 cd5 24.dc5 Be5 25.Bh4 (25.Be5 Re5 26.Rd5 Rd5=) 25...Bf6 26.Bg3 Be5 ½–½. Nijlkema – van Geemen,J, corr, 1980.

10.Qd1 dc4 11.Bc4 Nd5 12.Qb3 Nd7 13.a4 N7b6 14.Be2 Nc3 15.Qc3 Nd5 16.Qb3 Qb6 17.Ba3 e5 18.a5 Qc7 19.Rc1 Rfd8 20.Bf3 Qd7 21.de5 Be5 22.0-0 a6 (22...Nc7 23.Bb2 Bb2 24.Qb2+=) 23.Rfd1+/– Qe6 24.Rc5 Bf6 25.Bd5 cd5 26.Rdd5 Rd5 27.Qd5 Qd5 28.Rd5 Rd8 29.Rd8 Bd8 30.Kf1 Kf8 31.Ke2 Ke8 32.Kd3 Kd7 33.Kc4 Kc6 34.Bb2 h5 35.Bd4 f5 36.f3 h4 37.e4 Bg5 38.e5 Bf4 39.Bc3 Bg3 40.Bd4 Bf4 41.Bc3 Bg3 42.Ba1 Bh2 43.Bb2 (43.Kd4 Bg1 44.Kd3 Kd5+/–) 43...Bg3+/– 44.Bd4 ½–½. Niklasson,Christer (2375) – Engqvist,Thomas (2340), SWE–chT, 1999. (=1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.Nf3 Bg4 8.h3)

10.Bd3 Nbd7 11.0-0 Nb6 (11...Qe7 12.a3+=) 12.c5 Nbd7 13.Qd1 (13.b5 e5 14.Be2 Qb8=) 13...e5= 14.Qd2 (14.b5 ed4 15.ed4 Nh5=) 14...e4 (14...Re8 15.Rfe1=) 15.Be2+= Ne8 (15...b6 16.a3+=) 16.b5 f5 (16...Qg5 17.Rab1+=) 17.Qd1 (17.bc6 bc6 18.Rab1 Nef6+=) 17...f4= 18.ef4 Rf4 19.Qa4 Nc7 (19...Qc7!?=) 20.bc6+/– bc6 21.Qc6 Bd4 (21...Rf7!? 22.Rad1 Nb8+/–) 22.Nd5+– Bb2 23.Nf4 (23.Qc7 Qc7 24.Nc7 Rc8+/–) 23...Ba1 24.Rd1 Be5 (24...Qf6 25.Qc7 Nf8+–) 25.Rd7 Qb8 (25...Qe8 26.Nd5 Nd5 27.Qd5 Kh8+–) 26.Bc4 Kh8 (26...Nd5 27.Qe6 Kh8 28.Rh7 Kh7 29.Qg6 Kh8 30.Qh6 Kg8 31.Bd5) 27.Rh7!! Kh7 (27...Kh7 28.Qg6) 28.Qg6 Kh8 1–0. michaelbuss (2790) – bnolan (2065), ChessWorld.net, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.Nc3 d5 7.d4 Bg4 8.h3 Bf3)

10.Bd3 Qe7 11.a3 Nbd7 12.cd5 cd5 13.Na4 Ne8 14.0-0 Nd6 15.b5 Rfc8 16.Rfc1 Qd8 17.Bc3 Bf8 18.Qd1 (18.Bb4!?+=) 18…Nc4= ½–½. Iturrizaga Bonelli,Eduardo (2645) – Grigoriants,Sergey (2570), Moscow RUS, 2012. (=1.Nf3 g6 2.d4 Nf6 3.c4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3)

10.Be2 Nbd7 11.0-0 Nb6 (11...dc4 12.Bc4 Nb6 13.Bd3 Nbd5 14.b5 c5; 11...Qb6 12.a3 (12.b5 dc4 13.Bc4 cb5 14.Bb5 a6; 12.cd5 cd5 13.a3 a5 14.b5 Qd6) 12...Qc7 13.c5 Rfe8 14.Rfe1 Rac8; 11...Re8 12.b5 (12.a3 Qc7 13.b5 c5 14.cd5 cd4; 12.cd5 Nd5 13.b5 Rc8 14.bc6 Nc3; 12.Qf4 Nb6 13.c5 Nc4 14.Rfb1 e5) 12...Qa5 13.bc6 bc6 14.Rab1 Rab8) 12.c5 (12.cd5 Nfd5 13.b5 c5 14.Ne4 cd4) 12...Nbd7 (12...Nc4 13.Bc4 dc4 14.Qe2 a5) 13.Qg3 e5? (better is 13...Re8!?+= 14.Bd3 e5; 13...Ne4 14.Ne4 de4) 14.de5+/– Ne8 15.f4 Nc7 16.Rad1 a5 17.a3 ab4 18.ab4 Ne6 19.Bg4 Qe7 20.e4 d4 21.Ne2 g5 22.Be6 fe6 23.Bd4 Ra2 24.Qg4 Re2 25.Qe2 gf4 26.Qg4 Qf7 27.Bc3 Kh8 28.Rd6 (28.Rd6 Ne5 29.Qe6 Qe6 30.Re6+–) 1–0. Nguyen,Ngoc Truongson (2630) – Paragua,Mark (2515), Tagaytay City PHI, 2013. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3 9.Qf3 e6)

10.Be2 Nbd7 11.c5 A) 11...e5 12.0-0 (12.b5 ed4 13.ed4 Ne4 14.Ne4 de4; 12.h4 ed4 13.ed4 Re8 14.Rd1 a5; 12.Rd1 ed4 13.ed4 Re8 14.0-0 Ne4) 12...Re8 13.Qg3 ed4 14.ed4 Ne4; B) 11...Qb8 12.b5 (12.0-0 e5 13.b5 e4 14.Qg3 Qg3; 12.Rb1 b5 13.0-0 a5 14.ba5 Ra5; 12.Rd1 b6 13.Rd2 b5 14.0-0 a5) 12...e5 13.0-0 e4 14.Qg3 Qg3; C) 11...Re8 12.0-0 (12.Qf4 e5 13.de5 Ne5 14.Rd1 Nh5; 12.Qg3 e5 13.0-0 ed4 14.ed4 Ne4; 12.Rd1 e5 13.0-0 ed4 14.ed4 Ne4) 12...e5 13.Qg3 ed4 14.ed4 Ne4.

10.Be2 Nbd7 11.cd5 A) 11...Nd5 12.Nd5 (12.a3 N7b6 13.0-0 Nc3 14.Bc3 Nd5; 12.Rb1 Nb4 13.0-0 Qc7 14.Ba3 a5; 12.0-0 Nb4 13.a3 Nd5 14.Nd5 ed5) 12...ed5 13.0-0 Nf6 14.Qf4 Qb6; B) 11...ed5 12.0-0 (12.b5 Rc8 13.0-0 Nb6 14.Ba3 Re8; 12.a3 Nb6 13.0-0 Qd6 14.b5 Nc4; 12.Rb1 Nb6 13.b5 cb5 14.Ba3 a6) 12...Qb6 13.b5 Rfc8 14.a4 Qc7; C) 11...cd5 12.a3 (12.Rc1 Qe7 13.a3 Nb6 14.0-0 Nc4; 12.0-0 Qe7 13.a3 Nb6 14.Bd3 Nc4; 12.Rb1 Qe7 13.0-0 Nb6 14.e4 de4) 12...Rc8 13.0-0 Nb6 14.Rfc1 Nc4.

11.Qb3 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Ne8 15.Bd3 Nd6 16.0-0 dc4 17.Bc4 Nc4 18.Qc4 Qh4 19.Qa2 e5 ½–½. Fiala,Jaroslav (2385) – Neven,Knut G (2350), IECG, 2006. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3 Bf3 9.Qf3 e6)

11.Qb3 a6 12.a4 White prepares the advance b5 12...dc4 13.Bc4 Nd5 (13...e5 14.Rd1 ed4 15.Rd4+=) 14.0-0+= Qb6 (14...N7b6 15.Be2+=) 15.b5 (15.a5 Qd8+=) 15...ab5 16.ab5 (16.Nd5? ed5 (worse 16...cd5 17.Bb5 Nf6 18.Rfc1+=) 17.Bd3 ba4-+) 16...Nc3 17.Bc3 c5 18.d5 (18.dc5 Nc5 19.Qc2+=) 18...Bc3 (18...ed5 19.Bd5 Bc3 20.Qc3 Ra1 21.Ra1 Qb5 22.e4=) 19.Qc3 (19.Ra8!? Ra8 20.de6 (20.Qc3?! ed5 21.Bd5 Qb5=) 20...fe6 21.Be6 Kf8 22.Bd7+/-) 19...e5 (19...ed5 20.Bd5 Ra1 21.Ra1 Qb5 22.Qc2=) 20.Qd3 Qd6 21.e4 Nb6 22.Qc3 (22.Qc2 f5+=) 22...Ra1 (22...f5 23.ef5 Ra1 24.Ra1 Rf5 25.Rc1=) 23.Ra1 Ra8 (23...f5 24.Ra7=) 24.Ra8+= Na8 25.Qa5 Nb6 26.Be2 c4 27.Qc3 Qc7 28.h4 f6 29.h5 Qc5 30.Bg4 (30.Qh3 Qb5 31.Qe6 Kg7 32.Qe7 Kh6 33.Qf6 Qb1 34.Bf1 Nd7+/-) 30...Kf7 (30...Kg7 31.Qh3=) 31.Be6 Ke7 32.hg6 hg6 33.Qh3 Qc7 (33...c3 34.Qh8 Qc7 35.Qg7 Kd6 36.Qf8 (36.Qg6?? c2 37.Qf6 c1Q 38.Kh2 Qf4 39.Qf4 ef4-+) 36...Qe7 37.Qh6=+) 34.Bg8 (34.Qh7 Kd6 35.Qg6 Kc5+=) 34...Qd7 (34...Kd6 35.Qe6 Kc5 36.Qf6=) 35.Qh7 (35.Qh8!? Qc7 36.Qg7 Kd6 37.Qg6+=) 35...Kf8= 36.Qg6 (36.Qh6 Kg8 37.Qg6 Qg7 38.Qe8 Kh7 39.Qh5 Qh6 40.Qf7 Kh8 41.Qb7 Qc1 42.Kh2 Qf4 43.Kg1 Qc1 44.Kh2 Qh6 45.Kg1 Qc1=) 36...Qg7=+ 37.Qf5 c3 38.Qe6?? (better 38.Qh3 c2 39.Qc3 Kg8 40.Qc2=+) 38...c2-+ 39.Qd6 Qe7 40.Qb6 (40.Qb8 Kg7 41.Be6 c1Q 42.Kh2 Qf4 43.Kg1 Qe4-+) 40...c1Q 41.Kh2 Kg8 42.g3 (42.Qe6 Qe6 43.de6 Qf4 44.Kg1 Qe4 45.Kh2-+) 42...Qcc5 (42...Qh7 43.Kg2 Qhh1) 43.Qb7 0-1. Ogloblin,N (2345) - Rozum,I (2565), Titled Tuesday, 2020. (=1.d4 d5 2.Nf3 c6 3.c4 Nf6 4.e3 g6 5.Nc3 Bg7 6.b4 0-0 7.Bb2 Bg4)

11.Qb3 e5 12.de5 dc4 13.Bc4 Ne5 14.Rd1 Qe7 15.Be2 Rad8 16.0-0 Rd1 17.Rd1 Rd8 18.Rd8 Qd8 19.b5 c5 20.f4 (better is 20.Qc2!?+=) 20...Nd3+= 21.Ba3 Bf8 (21...Qe7 22.Nd1 Nf4 23.ef4 Qe2–+) 22.Qc4 (22.Nb1 Nb4 23.Bb2 Nbd5+/–) 22...Nb4+= 23.Bc1 Nfd5 24.Nd5 Qd5 25.a3 Qc4 26.Bc4 Nc2 27.Kf2 Bg7 28.Ke2 Kf8 29.Kd1 Na1 30.a4 (30.e4 Bd4+/–) 30...b6 (30...f5 31.g3+=) 31.Ba3 f5?? (31...Ke7 32.g4 f5+–) 32.Kc1+– (32.Kc1 Ke7 33.Bb2+–) 1–0. Gavrikov,Vi (2530) – Seeman,T (2435), Keres mem rapidplay, Tallinn EST, 1999. (=1.Nf3 Nf6 2.c4 c6 3.Nc3 d5 4.e3 g6 5.d4 Bg7 6.b4 0-0 7.Bb2 Bg4 8.h3)

11.c5 Qe7 12.Be2 e5 13.0-0 ed4 14.ed4 (14.Qd4 Ne5+=) 14...Ne4 15.Ne4 Qe4 16.Bf3 Qf4 17.g3 (17.Rb1 h5=) 17...Qb8 (17...Qf6 18.Qb3+=) 18.Rb1 a6 19.a4 Qd8 20.b5 ab5 21.ab5 f5 22.bc6 bc6 23.Bc1 Nf6 24.Rb6 Qd7 25.Bf4 Ne4 26.h4 Ra5 27.Qb3 Bd4 28.Be4 fe4 (28...Bc5? 29.Rb7 Ra3 30.Qa3 (worse is 30.Rd7 Rb3 31.Bg2 Rb2+–) 30...Qb7 31.Bd5 cd5 32.Qc5+–) 29.Bh6? (better is 29.Qb4 Bc5 30.Qa5 Bb6 31.Qb6 Rf4 32.gf4 Qg4 33.Kh2 Qf4 34.Kh1 Qf3 35.Kg1 Qg4 36.Kh2 Qh4 37.Kg1 Qg4 38.Kh2 Qf4 39.Kh3 Qf3 40.Kh2 Qh5 41.Kg1 Qg5 42.Kh2 Qh5 43.Kg3 Qf3 44.Kh2 Qh5=) 29...Re8?? 30.Qb4+– Bf2 31.Rf2 Ra1 32.Kg2 Ra7?? 33.Rb8+– Ra8 34.Rb7 Qe6 35.Rg7 Kh8 36.Qd4 Qe5 37.Qe5 Re5 38.Rff7 Rh5 39.Rh7 Kg8 40.Rfg7 Kf8 41.Rh8 1–0. Kauch,Markus (2270) – Tonn,Peter (2090), Hessen–ch qual, 2002. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 c6 6.c4 d5 7.Nc3 Bg4 8.h3 Bf3 9.Qf3 e6)

11.cd5 cd5 12.Na4 Ne4 13.Bd3 Nd6 14.Qe2 Nb6 15.Nb6 Qb6 16.a3 Rfc8 17.0-0 Nc4 18.Rfc1 Qc6 19.a4 a6 20.b5 ab5 21.ab5 Qb5 22.Ra8 Ra8 23.Bc4 dc4 24.Rc4 Bf8 25.Rc2 Qe2 26.Re2 Rc8 27.f3 f5 28.Kf2 Bb4 29.e4 f4 30.g3 Bd6 31.e5 fg3 32.Kg3 Bf8 33.f4 Kf7 34.Kf3 b5 35.Ke4 b4 36.Kd3 b3 37.Bc3 Ba3 38.Bb2 Bb4 39.Ke4 Ba5 40.Re3 Rb8 41.Kd3 Ke8 42.Kc4 Kd7 43.Rb3 Rb3 44.Kb3 Bd2 45.Kc4 Kc6 46.Kd3 Bf4 47.Ke4 Bg5 48.Ba3 Bd8 49.Bc1 g5 50.Bd2 Be7 51.Bc1 h6 52.Bd2 ½–½. Zatokovenko,I (2220) – Karpeshov,Oleg (2440), RUS–ch sf Ufa, 1999. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.c4 Bg7 5.Nc3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3 Bf3 9.Qf3 e6)

9.Qb3 a5 10.b5 Nbd7 11.cd5 a4 12.Qb4 (12.Na4!? cd5 13.Be2+/–) 12...Nd5= 13.Nd5 cd5 14.Be2 Re8 15.0-0 Bf8 16.Qd2 Nf6 17.Ba3 Ne4 18.Qb2 Qb6 19.Ne5 Rec8 20.Rac1 Nd6 21.Bc5 Qd8 22.Qa3 f6 (22...Ne4 23.Bb4+=) 23.Bd6+/– Qd6 24.Qd6 ed6 25.Nd3 Bd3 26.Bd3 Be7 27.a3 f5 28.Bb1 Kf7 29.g4 Ke6 30.Kg2 h6 31.Bd3 Bg5 32.Kg3 Rc1 33.Rc1 Rf8 34.f4 Bd8 35.Kf3 Bb6 36.gf5 gf5 37.h4 Rg8 38.h5 Kf6 39.Be2 Ke6 40.Kf2 Bd8 41.Bf3 Bh4 42.Ke2 b6 43.Rc7 Rg1 44.Rh7 Re1 45.Kd2 Ra1 (45...Bf2!?+/–) 46.Rh6+– Bf6 47.Bd5! Kd5 48.Rf6 Ra3 (48...Ra2 49.Kc1 Ra3 50.Kd2+/–) 49.h6 Kc4 50.Rd6 (50.Rf5?! Ra2 51.Kc1 Rh2=) 50...Ra2 51.Kc1 ½–½. Romero Sanchez,J (2120) – Gomez Celdran,FM (2295), AEAC W/C/002, 2006. (=1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 0-0 6.b4 Bg4 7.Bb2 c6 8.h3)

9.Qb3 dc4 10.Bc4 b5 11.Be2 a5 12.ba5 Qa5 13.0-0 b4 (13...Nbd7 14.a3 h6 15.Rfc1 Rfd8 16.Qb4 Re8=) ½–½. Wiedner,R (2150) – Pallitsch,C (2065), Oberwart Open, 2011. (=1.Nf3 d5 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.c4 c6 6.Nc3 0-0 7.d4 Bg4 8.h3)

9.Qb3 Qd6 10.b5 Nbd7 11.Ba3 c5 12.cd5 Rfc8 13.Rc1 h6 14.Be2 a6 15.0-0 ab5 16.Nb5 (worse is 16.Bb5 c4 17.Bd6 cb3=) 16...Qb6 17.Nd2 Ra5 18.Rfd1. Grabner,Helmut (2415) – Kleiser,Gregor, 10. BLMM Austria, 2006. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.Nc3 d5 5.e3 0-0 6.b4 c6 7.Bb2 Bg4 8.h3)

9.Qb3 e6 10.Nh4 (10.Be2 Nbd7=) 10...Nbd7 (10...Be4!?=) 11.Nf5+= gf5 12.Bd3 Ne4 (12...f4 13.0-0+=) 13.a4 (13.Rc1 Qg5 14.Rg1 Bd4 15.Be4 Be3 16.fe3 Qe3 17.Kf1 d4+– (17...fe4?? 18.Nd5 Qc1 19.Bc1 ed5 20.Bh6+–)) 13...Qh4 (13...Qg5 14.Rg1+= (worse is 14.cd5 Qg2 15.Rf1 cd5+=)) 14.Ne4 (14.g3 Qh5+=) 14...fe4= 15.Be2 Rad8 (15...dc4 16.Bc4 Nb6 17.Be2=) 16.b5 (16.Rc1 Nb6+=) 16...Qg5= 17.g3 (17.0-0 c5=) 17...c5 18.Qd1 (18.h4 dc4 19.Qc4 Qf5=) 18...Nb6 (18...dc4 19.Bc4 Nb6 20.Bb3+=) 19.h4 (19.Ba3 cd4 (worse is 19...Nc4 20.Bc5 Rfe8 21.Ba7+=) 20.ed4 Rfe8+=) 19...Qh6 Black gets strong initiative 20.Qc2 (better is 20.cd5!? Nd5 21.Qc1 cd4 22.ed4+=) 20...cd4–/+ (20...Nc4?! 21.Bc4 dc4 22.dc5=) 21.ed4 (21.Bd4 Bd4 22.ed4 Nc4–/+) 21...Nc4–+ 22.Bc4 Rc8 23.0-0 Rc4 24.Qd1 e3 25.Qd3 ef2 26.Rf2 Qg6 27.Qg6 hg6 28.Rd2 Rfc8 29.Ra3 Rc2 30.Rad3 R8c4 31.a5 Rd2 32.Rd2 Rb4 33.Bc3 Rb3 (33...Rb3 34.a6 ba6–+ (34...Rc3?? 35.ab7 Rg3 36.Kh2+–); 33...Rb5?! 34.Kf1–+) 0–1. Kilpatrick,Robert – Jenkins,DM, corr SCCA final, 1979.

9.Be2 dc4 10.Bc4 Qd6 11.Qb3=.

9.Be2 Nbd7 10.0-0 (10.g4 Be6=) 10...Nb6 (10...dc4 11.Bc4 Nb6 12.Bd3=) 11.c5+= Nc4 12.Bc4 dc4 13.Ne5 (13.Re1 Ne4+=) 13...Nd5= 14.Nc4 Nb4 15.Ne2 (15.Qb3 Nd5=) 15...Qd5 16.Qb3 Bd3 17.Qb4 Qc4 (17...Bc4? 18.Nf4 a5 19.Qa4+– (19.Nd5?! ab4 20.Nb4 Bf1 21.Kf1 Rfd8=)) 18.Qc4 Bc4 19.Rfe1 b5 20.cb6 (20.f4 a5=) 20...ab6+= 21.a3 Ra7 22.Rac1 b5 23.Nc3 f5 24.Nb1 Rd8 25.Nd2 Bd5 26.f3 Bh6 27.Rc2 Ra6 28.Kf2 Rd6 (28...Bg7 29.e4 Bf7 30.ef5 gf5 31.Re7 Bd4 32.Bd4 Rd4 33.Rc7+=) 29.g4 Rd8 30.Rg1 Kf7 31.Ke2 Rc8 32.g5 Bg7 33.e4 Be6 34.h4 (34.Rgc1 fe4 35.Ne4 Bh3=) 34...Rd8+= 35.Ke3 (35.e5 Bd5+=) 35...Ra4 (better is 35...Ra3! 36.Ba3 Bd4 37.Ke2 Bg1 38.Rc6 Bd7–/+) 36.e5+= (36.Rc6? Rad4 37.Rc2 Rd3 38.Ke2 Rd2 39.Rd2 Bc4 40.Ke1 Rd2 41.Kd2 Bb2 42.ef5 gf5–+) 36...Bd5 37.Nb1 Ra6 38.h5 (38.Rgc1 h6=) 38...e6 (38...gh5 39.Nc3+=) 39.Nc3 (39.Rh2 Bf8+=) 39...Bb3 (39...gh5!? 40.Nd5 Rd5+= (worse is 40...ed5 41.Rh2+=)) 40.Rh2= c5 41.Nb5 cd4 42.Bd4 (42.Nd4 Be5 43.f4 Bd4 44.Bd4 e5 (44...Ra3? 45.hg6 hg6 46.Rh7 Ke8 47.Bc5 Bc2 48.Ba3 Rd3 49.Ke2 Ra3 50.Rg7 Bd3 51.Kd2+–) 45.Be5 Ra3 46.hg6 hg6 47.Rh7 Ke6+=) 42...Bc4 43.Nd6 0–1. Dzunic,V (2015) – Maksimovic,Mir (2215), Spring Open, Belgrade SRB, 2007.

8.a4 Be6 9.c5 Ne4 10.Nd2 f5 11.f3 Nc3 12.Bc3 b6 13.f4 bc5 14.bc5 Nd7 15.Ra3 Rb8 16.a5 Nf6 17.Be2 Ne4 18.Ne4 de4 19.0-0 Bd5 20.a6 Qd7 21.g4 fg4 22.Bg4 Be6 23.h3 h5 24.Be6 Qe6 25.Kh2 Rb5 26.Rg1 Rfb8 27.Qe2 Rb3 28.Rga1 Bh6 29.Qa2 Qd5 30.Rb3 Rb3 31.Rc1 Kh7 32.Bd2?? (32.Qg2 Ra3+=) 32...Rd3 (better is 32...Bf4 33.Kh1 Qf5–+ (33...Be3 34.Be3 Re3 35.Qd5 cd5 36.c6 Rh3 37.Kg2+/–)) 33.Rc2 (better is 33.Qb2!?=) 33...Qf5–/+ 34.Rc3 g5 35.Rd3 ed3 36.e4 Qe4 37.Qf7 Kh8 38.Qh5 Qe2 39.Kg1?? Qh5–+ (39...Qh5 40.Kh2 gf4 41.Be3 Qe2 42.Kh1 f3 43.Bf2 Qf1 44.Kh2 Qg2) 0–1. Rotaenko,Petr – Yakovlev,Vladimir, Stepichev Memorial, 2006. (=1.c4 d5 2.e3 c6 3.Nc3 Nf6 4.d4 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 h6)

8.Be2 Be6 9.Qb3 Nbd7 10.a4 Nb6 11.Ne5 Nfd7 12.a5 Ne5 13.ab6 dc4 14.Qa3 Nd3+= 15.Bd3 cd3 16.ba7 Bc4 17.Ne4 Qd5+= 18.f3 e5 19.de5= Ba6 20.Qc3 Rfe8 21.Qd4 Qb5?? 22.f4?? Red8= 23.Nd6 Qd5?? 24.Qd5+– cd5 25.Bd4 Bc4 26.Kd2 Rd7 27.Rhc1 b5 28.Ra6 Bf8 29.Rca1 Bd6 30.Rd6 Rc7 31.Bb6 Rcc8 32.Rd8 Rd8 33.Bd8 Rd8 34.a8Q Ra8 35.Ra8 Kg7 36.Ra7 Kf8 37.g4 h5 38.h3 hg4 39.hg4 Ke8 40.f5 gf5 41.gf5 Kf8 42.f6 (42.f6 Ke8 43.Re7 Kf8 44.Rb7+–) 1–0. Kuhn,H – Dachselt,Martin, SEM–ch Gr–D Dudweiler, 1995.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Ne4 11.Bd3 Bf5 12.0-0 Na6 13.b5 (13.Qb3 e6=) 13...Nb4 (13...Nac5 14.dc5 Ba1 15.Nd4=+) 14.bc6 (14.Be4 Be4 15.Qb3 Nd3=) 14...bc6 (14...Nd3!? 15.Qd3 Ng3-/+) 15.Be2= Qa5 16.Bc3 Nc3 17.Nc3 Nc2 18.Nb1 Rb8 19.Qd2 Qa2 (19...Qd2!? 20.Nbd2 Rb2=+) 20.Nc3+= Qa3 21.Nb1 (21.Nh4 Rb2 A) worse 22.Nf5 Nd4 (worse 22...gf5 23.Rb1 Rb1 24.Nb1+=) 23.Ne7 Kf8-/+; B) 22.Nd1=) 21...Qa4 (21...Qb2 22.Nc3 Nd4 23.ed4 Qd2 24.Nd2 Bd4 25.Nd1-/+) 22.Nc3 Qa5 (22...Qa3=) 23.Nd1?? (better 23.g4!? Nd4 24.ed4 Bg4 25.Qf4+/-) 23...Qa2 (23...Qd2!? 24.Nd2 h6=+) 24.Nc3 Qb3 (24...Qa5!?=) 25.Rb1+/- Qb1 26.Nb1 Rb1 27.Bf1 Na3 28.h3 Nc4 29.Qa2 (29.Qc3 h6+=) 29...h6 (29...Bd3 30.Nh2=) 30.Nd2+= Nd2 31.Qd2 e5 32.f3 e4? (better 32...ed4 33.ed4 Ra1=) 33.g4+- Bd7 (33...Be6 34.Qa2 Rb8 35.Qa7+-) 34.f4 (34.fe4!? de4 35.Qa2 Rd1+-) 34...h5 (better 34...Kh7+/-) 35.g5?? (better 35.Qa2 Rb8 36.Qa7+-) 35...Bh3-+ 36.Qa5 Bf1 (36...Rf1?! 37.Kh2 Be6 38.Qa8 Kh7 39.Qa2-+) 37.Qd8 Kh7 38.Kf2 h4 (better 38...Bc4-+) 39.Qe8 (39.f5 gf5 40.Qc7-+) 39...h3 40.Kg1 (40.f5 h2 41.Qf7 h1N 42.Kg1 Bh3 43.Kh2 Bf5 44.Qc7-+) 40...Bg2 (better 40...Be2 41.Kh2 Bg4-+) 41.Kh2 Rb2 (41...Rh1 42.Kg3 Re1 43.f5 Re3 44.Kh2-+) 42.Qf7 Bf1 43.Kh1 (43.Kg1 h2 44.Kh1-+) 43...Re2 (43...Be2 44.Qc7 Bf3 45.Kg1 h2 46.Kf1 h1Q) 44.Qe7?? (better 44.f5 Bg2 45.Kh2 Bf1 46.Kg1 Rg2 47.Kh1 gf5 48.Qf5 Kg8 49.g6 (49.Qf1?! Rg5 50.Qh3 Rg6 51.Qc8 Kf7+/-) 49...Rg6 50.Qg6+-) 44...Re3-+ 45.f5 Re1?? (45...gf5 46.Qf7 Rf3 47.Qh5 Kg8 48.Qe8 Bf8 49.Qg6 Bg7 50.Qe8 Kh7 51.Qh5 Kg8 52.Qe8=) 46.f6 Be2 (46...Bb5 47.Kh2 Re2 48.Kg3 Rg2 49.Kh3 Rh2 50.Kh2 Kg8 51.Qg7) 47.Kh2 Bf1 (47...Rh1 48.Kh1 Bf3 49.Kh2 Kg8 50.Qg7) 48.Qg7 1-0. MihaSLOVE (1735) - SveDogoR (1610), Rated Blitz game, lichess.org, 2013. (=1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.c4 g6 5.c5 Bg7 6.b4 0-0 7.Bb2)

8.a3 ab4 9.ab4 Ra1 10.Ba1 Bg4 11.Be2 Nbd7 12.Nbd2 Re8 13.0-0 b6 14.h3 Bf3 15.Nf3 Ne4 16.Bd3 bc5 17.bc5 e5 18.Ne5 Ne5 19.de5 Be5?? (19...Nc5 20.f4=) 20.Be5 (20.Be4 Ba1 21.Bd5+/- (21.Qa1?! Re4 22.Rb1 h6+=)) 20...Nf2? (better 20...Re5 21.Qa1 Qc7=) 21.Rf2 Re5 22.Qf3 Qe7 23.Qf6 Re3 24.Qe7 Re7 25.Rf6 Rc7 26.Kf2 Kg7 27.Rd6 f5 28.g4 (28.Bc2 Ra7 29.Bd1 Ra2 30.Kf3 Ra1+-) 28...fg4 29.hg4 Kh6 (29...Rf7 30.Ke3 Rc7 31.Kd4+-) 30.Kg3 (30.Bf5!? Kg5 31.Bd7 Kf4 32.Bc6 h5+-) 30...Kg5 31.Kf3 Rf7 32.Kg3 (better 32.Ke3!? Rf4 33.Rc6 d4 34.Kd2 Kg4 35.Rd6+-) 32...Re7 (32...Rc7 33.Be2+-) 33.Kf3 Rf7 34.Kg3 (34.Ke3!? Rf4 35.Be2+-) 34...Re7+/- 35.Kf3 (better 35.Kf2!? Kg4 36.Rc6+/-) 35...Rf7= 36.Kg3 ½-½. MihaSAH (1705) - Nikvol (1725), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.c4 0-0 5.b4 d5 6.c5 c6 7.Bb2)

8.a3 Re8 9.Be2 Bg4 10.0-0 Bf3 11.Bf3 Qc7 12.Nd2 Nbd7 13.g3 h6 14.h4 e5 15.de5 Nh7 16.Bg2 Ne5 17.Qc2 Ng4 18.Bg7 Kg7 19.Nf3 Re7 20.Nd4 Rae8 21.Rfe1 Ngf6 22.b5 Ne4 (22...Nf8 23.Qc3+=) 23.b6 (23.bc6 bc6 24.Reb1 Ng3+/-) 23...Qd7 (23...Qe5 24.Be4 de4 25.Red1=) 24.Nb3 Nhf6 25.Na5 Nh5 (25...Qf5 26.Re2+=) 26.Nb3 (26.g4 Nhf6 27.f3 Ng3+-) 26...g5 (better 26...Nhf6!?+/-) 27.hg5 hg5 (27...Ng5 28.Nd4 Ne4 29.Kh2+-) 28.Nd4 (28.g4 Nhf6 29.f3 Qc8+-) 28...Rh8? (28...g4+/-) 29.Nf3?? (better 29.g4 Nhg3 30.Bf3+-) 29...f5 30.Qb2 Nhf6 31.Nd2 (better 31.Qd4+/-) 31...Kf8?? (better 31...Nc5 32.Red1 Nce4=) 32.Be4 (better 32.Ne4!? fe4 33.Qf6 Kg8 34.Qg5 Rg7+-) 32...Ne4 (32...Rh6 33.Bg2 Ke8+-) 33.Qh8 (33.Qh8 Kf7 34.Qh5 Kg8 35.Ne4 fe4 36.Qg5 Rg7 37.Qe5+-) 1-0. MihaSAH (1715) - Xhosa (1655), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.c4 c6 5.c5 Bg7 6.b4 0-0 7.Bb2)

8.ba5 Qa5 9.Bc3= Qc7 10.Be2 Ne4 11.0-0 Bg4 12.h3 Bf3 13.Bf3 (worse is 13.gf3 Nc3 14.Nc3 e5–/+) 13...Nc3 14.Nc3 Nd7 15.a4 Ra5 (15...e5 16.Rb1+=) 16.Qc2 (16.Qd2 Rfa8=) 16...Rfa8 (16...e5 17.Qd2+=) 17.Ra2 (17.Rfb1!?=) 17...e5+= 18.de5? (better is 18.Rd1!?+=) 18...Ne5 19.Be2 Rc5 20.Rc1 Rc3! 21.Qd2 Rc1 22.Qc1 Nd7 23.Qd2 Qa5 24.Qc2 Qc3 25.Qb1 h6 26.Bg4 Nf6 27.Bf3 Rb8 28.a5 Qe5 29.a6 ba6 30.Qc1 Rb6 31.Qc5 Qc7 32.g4 Rb1 33.Kg2 Ne4 34.Be4 de4 35.Ra6 Rb2 36.Rc6 Qd8 37.Rc8+/– Rb8 38.Rd8+– Rd8 39.Qc7 Re8+/– 40.h4 Bf6 41.Kh3 g5 42.hg5 Bg5 43.Qd7 Re6 44.Qd5 Kg7 45.Kg3 Rg6? 46.f4 Bf6? 47.Qe4+– h5 48.g5 Be7 49.Kf3 Re6 50.Qd4 Kg8 51.f5 Rd6 52.Kf4 Rd4–+ 53.ed4 Bg5?? 54.Kg5+– f6 55.Kh5 Kf7 56.d5 1–0. vihavald – fagus54, kurnik, 2012.

8.ba5 Ne4 9.Qc2+=.

8.b5 cb5 9.Bb5 Bd7 10.Nc3 Bb5 11.Nb5 Nc6 12.0-0 Nd7 13.Qb3 e6 14.a4 b6 15.cb6 Nb6 16.Ba3 Re8 (16...Ne7 17.Rab1 Nc4 18.Bc5+=) 17.Nd6+/- Re7 18.Rfc1 Na7 (18...Nb4 19.Bb4 ab4 20.Qb4+/-) 19.Rab1 Rb8 20.Bc5 (20.Qc3 Na4 21.Qa5 Qa5 22.Rb8 Bf8+/-) 20...Nd7 (20...Rc7 21.Nb5 Nb5 22.Qb5=) 21.Nb5 (21.Qb8 Nb8 22.Ba7 Ra7+= (22...Qd6? 23.Rc8 Bf8 24.Bc5+-)) 21...Nc5= 22.dc5 Nc6 23.Qd1 Reb7 24.Nfd4 Qd7 25.Qe1 Ra8 (25...Bd4 26.ed4 Qd8 27.Qe3=) 26.Nc6 Qc6 27.Nd4 Bd4 28.Rb7 (worse 28.ed4 Rb1 29.Rb1 Qa4-/+) 28...Qb7 29.ed4 Qc6 30.Qd1 (30.Ra1!?+=) 30...Rb8=+ 31.g4 (31.Ra1 Rb2=) 31...Rb4 Attacks the isolani on a4 32.Ra1 (32.g5 Ra4 33.Rb1 Rb4-/+) 32...e5!-/+ 33.de5 Qc5 34.Qf3 (34.Rb1 Rb1 35.Qb1 Qd4-/+) 34...Re4 (better 34...Qd4 35.Rd1 Qe5 36.Rd5 Rg4 37.Qg4 Qd5-/+) 35.Qg3?? (better 35.Qf6 Rg4 36.Kh1-/+) 35...Qd4-+ 36.Qa3 Re5 (better 36...Rg4 37.Kh1 Qf2 38.Qh3-+) 37.Kf1 Qc4 (37...Qc4 38.Kg1 Qg4 39.Qg3 Qd4-+) 0-1. Dorsdt,Jose Luiz - Borges,Luis Henrique Rosa, 7th Floripa Open, 2021.

8.b5 b6 9.bc6 Nc6 10.Bb5 Nb4 11.a3 Ba6 12.Ba6 Na6 13.c6 Qc7 (13...Rc8 14.Nc3-/+) 14.Qc2 (14.Ne5 Nb8=+) 14...Rac8-/+ 15.Qd3 Nb8 16.0-0 Qc6 17.Ne5 Qc2 18.Qc2 (better 18.Qb5!? Qc7 19.Nd2=+) 18...Rc2-+ 19.Bc3 Ne4 20.Be1 Be5 21.de5 Rfc8 (21...Rd8 22.f3 Nc5 23.Nc3-/+) 22.a4 (22.f3 Nc5 23.Nc3 e6-+) 22...Rc1 (better 22...Re2!? 23.Na3-+) 23.f3 Ng5 24.Bd2 Rf1 (24...R1c5 25.e4 Ne6 26.ed5 Rd5 27.f4-+) 25.Kf1-/+ Ne6 26.Nc3 d4 (better 26...Rc5!?-/+) 27.ed4= Nd4 28.Nd5 Kf8 29.Rc1 (29.Nb6 Rc6 30.Rb1 Rc2+=) 29...Rd8 (29...Rc1!? 30.Bc1 Nbc6=) 30.Nb6+= Nb3 31.Rc8?? (31.Bh6!? Ke8 32.Rc3+=) 31...Rc8 (31...Nd2 32.Ke2 Rc8 33.Nc8-+) 32.Nc8?? (better 32.Bh6 Ke8 33.Nc8=+) 32...Nd2-+ 33.Ke2 Nc4 34.f4 Nb2 35.Na7 Na4 36.Nb5 Nc5 37.Kd2 a4 38.Kc3 Nba6 39.Na3 e6 40.Kc4 Ke7 41.g3 f6 42.ef6 Kf6 43.g4 (43.Kd4 g5 44.fg5 Kg5-+) 43...h5 44.h3 hg4 45.hg4 e5 46.fe5 Ke5 47.Nc2 (47.Kc3 Kf4 48.Nc4 Kg4-+) 47...Kf4 48.Kc3 Kg4 49.Ne3 Kf3 50.Nc2 (50.Nc4 g5-+) 50...g5 51.Nd4 Kf2 52.Nf5 g4 53.Kc4 g3 54.Ng3 Kg3 55.Kc3 Kf3 (55...a3 56.Kc2-+) 56.Kc2 (56.Kb2 Nd3 57.Ka2 Ke4-+) 56...Ke3 (56...a3 57.Kc3 Ke2 58.Kc4 a2 59.Kb5 a1Q 60.Kc6 Qa4 61.Kb6 Nd7 62.Kb7 Qb5 63.Kc8 Ne5 64.Kd8 Qd7) 57.Kc3 (57.Kb2 Nd3 58.Ka3 Nac5-+) 57...Ke2 (better 57...a3-+) 58.Kb2 Kd3 59.Ka3 Kc3 60.Ka2 Kb4 (60...Nb4 61.Ka3 Nc2 62.Ka2 a3 63.Kb1 Nb3 64.Ka2 Nc1 65.Kb1 a2 66.Kc1 a1Q) 61.Kb2-+ a3 62.Ka2 (62.Kc1 Nd3 63.Kd2 Nac5 64.Ke3 a2 65.Kf3 a1Q 66.Kg3 Qg7 67.Kf3 Qf6 68.Kg3 Ne4 69.Kh3 Qf3 70.Kh4 Qf4 71.Kh5 Qg5) 62...Nd3 63.Kb1 (63.Ka1 Kb3 64.Kb1 Nab4 65.Ka1 Nc2 66.Kb1 a2) 63...Kb3 64.Ka1 Nab4 Black prepares the advance a2 65.Kb1 a2 66.Ka1 Nc2 0-1. traker100 (1675) - TU1000 (1625), Rated Blitz game, lichess.org, 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.e3 0-0 5.b4 d5 6.c5 c6 7.Bb2)

8.b5 Bd7 9.b6 Ne4 10.Nc3 e5 (10...Bf5!?=) 11.Ne5 Be5 (11...Bf5 12.Bd3+/–) 12.Ne4+– Bg7 (12...Be6 13.de5 de4 14.Qd6+–) 13.Nd6 Bc8 14.Bd3 Qg5 (14...Nd7 15.Qb3+–) 15.0-0 Nd7 16.Qd2 Nf6 (16...Qf6 17.Rab1+–) 17.f4 Qg4 18.f5 Ne4 (18...a4 19.a3+–) 19.Be4 de4 20.Rf4 Qg5 21.Ne4 Qe7 22.f6 Bf6 23.Nf6 Kh8 24.d5 Rd8 25.Ng4 Kg8 26.Qd4 f5 27.Qh8 Kf7 28.Nh6 1–0. TrinTragula – FelixFri, ChessWorld.net, 2008.

8.a4 Bf5 9.Bd3 Bd3 10.Qd3 Nbd7 11.Nbd2 Re8 12.0-0 Qc7 13.h3 Nh5 14.Rfe1 e5 15.de5 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Nf3 Qe4 19.Qe4 Re4 20.Nd4 f5 21.b5 ab5 22.ab5 Ra1 23.Ra1 cb5 24.Rb1 f4 25.Rb5 fe3 26.fe3 Re3 27.Rb7 Rc3 28.c6 Rc1 29.Kh2 1-0. belja (1915) - Nikvol (1965), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.e3 g6 3.c4 d5 4.c5 Bg7 5.b4 0-0 6.Bb2 c6 7.Nf3)

8.Be2 a5 9.b5=.

8.Be2 Re8 9.a3 Nbd7 10.0-0 Nh5 11.Nc3 e5 (11...Nhf6 12.Re1+=) 12.Na4 (12.de5 Ne5 13.Ne5 Be5 14.Bh5 Qh4+/-) 12...ed4 (12...e4 13.Nd2+=) 13.ed4 (13.Nd4!? Nhf6 14.Nc3=) 13...Nf4= 14.Re1 Ne2 15.Re2 Re2 (15...a5 16.b5=) 16.Qe2+= Nf6 17.Qd3 (17.Nb6 Rb8+=) 17...Ne4 (17...Bf5 18.Qb3=) 18.Nb6 Bf5 (18...Rb8!?=) 19.Na8+= Qa8? (better 19...Nc5!? 20.Qe3 Ne4+=) 20.Qf1 Qe8 21.Re1 Qd7 22.g3 (22.Ne5 Qd8+-) 22...Nf6 (better 22...Bg4 23.Nh4 Nd2+/-) 23.Kg2?? (23.Ne5 Qd8+-) 23...Ne4 (better 23...Bh3 24.Kg1 Bf1 25.Rf1 Qf5-+) 24.Ne5?? (better 24.Qe2+/-) 24...Be5-+ 25.de5?? (better 25.Qe2 Bg7 26.f3-+) 25...Nd2 (25...Bh3!? 26.Kg1 Bf1 27.Rf1-+) 26.Qg1?? (26.e6 fe6 27.Qg1 Be4 28.Re4 de4-/+ (28...Ne4 29.f3 Ng5 30.Qd4+/-)) 26...Be4 (better 26...Bh3 27.Kh1 Nf3 28.e6 fe6 29.Re2 Ng1 30.Kg1-+) 27.f3?? (better 27.Re4 de4 28.Qe1=+) 27...Nf3-+ 28.Kf2 (28.Re4 Ng1 29.Re1-+) 28...Ng1 29.Kg1 Bf5 (better 29...Qg4 30.e6 fe6 31.Re3 Qd1 32.Kf2-+) 30.Kf2 Be6 (better 30...Bg4 31.e6 fe6-+) 31.Kg2 (31.Ke3 Bg4 32.Rf1 Bh5-+) 31...Qe7 (31...Bh3 32.Kf2 d4 33.Ke2 Qg4 34.Kd2 Qg5 35.Kc2 Bf5 36.Kd1 Qh5 37.Kc1 Qh2 38.Re4 Be4 39.Kd1 Bf3 40.Kc1 Qh1 41.Kd2 Qd1) 32.Kf3 (32.h4-+) 32...Qg5 33.Kg2 (33.Kf2 Bg4 34.Bc3 d4-+) 33...Qg4 (33...Qd2 34.Kf3 h5 35.Re2 Bg4 36.Kf2 Qe2 37.Kg1 Bf3 38.e6 Qe1) 34.Bc1 (34.Kf2 d4 35.Re2 Qf5 36.Ke1 Qb1 37.Kf2 Qd3 38.Bd4 Bc4-+) 34...Qh3 (better 34...d4 35.Kg1-+) 35.Kg1 Qg4 36.Rf1?? (36.Kg2 d4 37.Kg1-+) 36...Qc4 37.Kh1 Qd4 (37...Qf1) 38.Rg1 Qe5 (38...Qe4 39.Rg2 Bh3 40.e6 Qg2) 39.h3 d4 40.Kh2 Bd5 41.Bf4 (41.Re1 Qe1 42.b5 Qf2) 41...Qe2 42.Rg2 Qg2 0-1. awev1 (1750) - Maxgor (1875), Rated Bullet game, lichess.org, 2014. (=1.d4 d5 2.e3 c6 3.Nf3 g6 4.c4 Bg7 5.c5 Nf6 6.b4 0-0 7.Bb2)

8.Be2 Re8 9.a4 Ne4 (9...b6 10.0-0=) 10.Nfd2 (10.Nc3 Nc3 11.Bc3 Bg4+=) 10...a5 (better is 10...Nd2 11.Nd2 b6=) 11.b5 (11.Ne4 de4 12.b5 e5+=) 11...b6 (better is 11...Nc5!? 12.Nc3 Ncd7+=) 12.Ne4+= de4 13.Nc3 (13.cb6 Qb6 14.Nd2+=) 13...e5 (better is 13...bc5 14.dc5 Nd7+=) 14.cb6?? (better is 14.d5 cb5 15.Bb5+/–) 14...ed4+= 15.ed4 Qd4 (15...Bd4 16.0-0+=) 16.0-0 (16.Qd4 Bd4 17.Rd1 Bb6 18.bc6 Nc6=) 16...e3 (better is 16...Qb6 17.Qd6 Re6+=) 17.fe3?? (better is 17.Qd4!? Bd4 18.fe3 Bb6 19.Bf3 Re3 20.Kh1+=) 17...Qe3–/+ 18.Kh1 Bc3 19.Bc3 Qc3 (19...Qe2 20.Qd4 Qe5 21.Rae1+–) 20.Rc1? (20.bc6 Nc6 21.Bf3+=) 20...Qe5?? (20...Qe3!? 21.Bc4 Be6 22.Be6 Qe6 23.Qf3–/+) 21.Bc4 Attacks the backward pawn on f7 (better is 21.bc6 Ba6 22.c7 Qe2 23.Qe2 Re2 24.c8Q Bc8 25.Rc8 Kg7 26.Rb1=) 21...Bb7?? (better is 21...Bf5 22.Qf3 Nd7+=) 22.Bf7+– Kh8 23.Be8 Qe8 24.Qd4 Kg8 25.Rce1 Qd7 26.Qf4 (26.Qf6 Na6 27.Re7 Qe7 28.Qe7 Nc7 29.Rf7 Ne6 30.Qe6 Rf8 31.Rb7 Kh8 32.Qe5 Rf6 33.Qf6 Kg8 34.Qd8) 26...Qf5 (26...Na6 27.Rd1 Qe6+–) 27.Qc7 (27.Qc4 Kg7 28.Rf5 gf5 29.Re7 Kf6 30.Qe6 Kg5 31.Qg8 Kf4 32.Qg3) 27...Qd7 28.Qf4 Qg7?? (28...Qf5 29.Qc4 Qd5 30.Re8 Kg7 31.Re7 Qf7 32.Rff7 Kh6 33.Qh4) 29.Re8 Qf8 30.Qf8 1–0. samyaksamadhi – croach, net–chess.com, 2017.

8.a3 Nbd7 9.Be2 Ne8 10.0-0 e5 (10...bc5!? 11.bc5 Nc5=+) 11.Ne5 Ne5 12.de5 bc5 13.bc5 Qc7 14.f4 Qa5 (14...f6!?+=) 15.Bd4 Nc7 16.Qd2 Ne6?? (better 16...Qd2 17.Nd2 f6+/-) 17.Qa5+- 1-0. MihaSLOVE (1730) – lengdon, Rated Blitz game, lichess.org, 2013. (=1.d4 d5 2.Nf3 c6 3.e3 Nf6 4.c4 g6 5.c5 Bg7 6.b4 0-0 7.Bb2)

8.Bd3 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 bc5 12.bc5 Ba6 13.0-0 Bd3 14.Qd3 Ne4 15.Nbd2 f5 16.Qb3 Nd7 17.Rb1 e5 18.Ne4 fe4 19.Ne5 Be5 20.de5 Nc5 21.Qb6?? Nd3 22.Qc6+/– Rf2 23.Qe6 Kh8? 24.Qa6 Kg7 25.Qa7 Kh6 26.e6 Qf8 27.h3 Rg2 28.Kh1?? Nf2?? 29.Kg2+– Qf3 30.Kg1?? Nh3+/– 31.Kh2 Ng5 32.Bg7 Kh5 (32...Kh5 33.Qb8 Qh3 34.Kg1 Qe3 35.Kf1 Nf3=). ourang – kaspkarpov (1710), kurnik, 2012.

8.Be2 bc5 9.bc5 Qa5 10.Bc3 Qc7 11.0-0 Ng4 12.h3 Nf6 13.Qc2 Ne4 14.Bb2 Ba6 15.Ba6 Na6 16.Qa4 (better 16.Nc3!? f5 17.Rfb1=) 16...Rab8 17.Bc1 (17.Qa6 Rb2 18.Qa3 Rc2-/+) 17...Qc8 (17...Nac5!? 18.Qc2 Na6-+) 18.Nbd2 (18.Ba3=+) 18...Nd2 (better 18...Nec5!? 19.Qa3 Re8-/+) 19.Bd2= (worse 19.Nd2 Nc5 20.Qa7 Nd7=+) 19...Ra8 20.Ne5 (20.Rfb1+=) 20...Nc7?? (better 20...Be5 21.de5 Nc5-/+) 21.Nc6+/- Ne6?? (better 21...Qd7 22.Rab1 Ne6+/-) 22.Ne7+- Kh8 23.Nc8 Rfc8 24.Qd7 Nc5 (24...Rc7 25.Qd5 Rd8 26.Qf3+-) 25.dc5 Ba1 26.Ra1 Rc5 27.Qf7 a5 28.Qb7 (28.Rb1 g5 29.Rb7 Rc1 30.Bc1 d4 31.Qh7) 28...Rac8+- 29.Qb2 (better 29.Ba5 Kg8+-) 29...Kg8 30.Rc1 Rc1 31.Bc1 a4 32.Bd2 h5 33.Qd4 Rd8 34.Qa4 Kh7 35.Ba5 Ra8 36.Qd7 Kh6 37.Bc3 Ra2 (37...Rg8 38.Qf7 d4 39.Qg8 Kg5 40.Qf8 de3 41.f4 Kh4 42.Be1) 38.Qd5 (38.Bg7 Kh7 39.Bf6 Kh6 40.Qg7) 38...Rf2 (38...Ra7 39.Qd8 Ra8 40.Qa8 h4 41.Qh8 Kg5 42.f4 Kf5 43.Qe5) 39.Kf2 (39.Kf2 h4 40.Qd4 g5 41.Qg7 Kh5 42.Qh7) 1-0. alex296 – NinjaSquirrels, Rated Blitz game, lichess.org, 2014.

8.g3 bc5 9.bc5 Ba6 10.Ba6 Na6 11.0-0 Rb8 12.Qe2 Ne4 13.Nc3 Nc3 14.Bc3 Nc7 15.Rab1 Nb5 16.Bb4 a5 17.Bd2 a4 18.Qd1 Ra8 19.Rb4 a3 20.Rb3 Qc7 21.Qc2 e5 22.Bb4 e4 23.Nd2 Ra4 24.Rfb1 Rfa8 25.Bc3 f5 26.Nf1 Qd7 27.Rb4 R4a6 28.Bd2 g5 29.Bc1 h6 30.R4b3 Kh7 31.Nd2 f4 32.Ra1 fg3 33.fg3 Qg4 34.Qd1 Qd1 35.Kg2 Qe2 36.Kh3 g4 37.Kh4 Kg6 0–1. kannisogoet – niepis, kurnik, 2012.

8.a3 Re8 9.Be2 e5 (9...b6 10.0-0=) 10.Ne5+= Ne5 11.de5 Ne4 12.0-0 Be5 13.Be5 Re5 14.Nd2 Nc3 15.Qe1 Ne2 (15...Qf6 16.Bd3=) 16.Qe2 Qe7 17.Nf3 Bg4 18.h3 Bf3 19.Qf3 Re8 20.Rfd1 Re4 21.g3 (21.Rac1 Qg5=) 21...Qe6 22.Kg2 Qe5 Black prepares the advance d4 23.Ra2 d4 (23...Qc3 24.Qe2=) 24.Rd4 (24.ed4 Qd5 25.Rb2 Rd4 26.Qd5 Rd5 (26...cd5?? 27.Rd4 f5 28.Rd5+-) 27.Rd5 cd5+=) 24...Rd4= 25.ed4 Qd4 26.Re2 Re2 27.Qe2 Qd5 28.Kh2 (28.Kg1 Qd4=) 28...Qb3 (28...Qd4 29.g4=) 29.Qe3 (29.Qe8 Kg7+=) 29...Qe3= 30.fe3 Kg7 31.Kg2 Kf6 32.Kf3 Ke5 33.g4 (33.Ke2 f5=+) 33...f6 (better 33...Kd5!? 34.Kf4 a5 35.e4 Kc4-+) 34.h4= h6 35.e4 Kd4 36.Kf4 White intends g5 36...b6 37.cb6 ab6 38.g5?? (38.a4 c5 39.bc5 bc5 40.a5+/-) 38...fg5 39.hg5 hg5 40.Kf3 Ke5?? (better 40...g4 41.Kg4 Ke4-+) 41.a4+- Kd4 (41...g4 42.Ke3 Kd6+-) 42.a5 ba5 43.ba5 Kc5 44.a6 Kb6 45.e5 Ka6 46.e6 c5 (46...g4 47.Ke3 g3 48.e7+-) 47.e7 c4 48.e8Q c3 49.Qc6 Ka5 50.Qc3 Ka4 (50...Kb5 51.Qe5 Kb4 52.Qg5 Kc3 53.Qg6 Kd4 54.Qd6 Kc4 55.Ke4 Kc3 56.Qd4 Kc2 57.Qd3 Kb2 58.Qb5 Kc2 59.Kd4 Kd2 60.Qb2 Ke1 61.Ke3 Kd1 62.Qd2) 51.Qf6 (51.Qf6 Kb5 52.Qg5 Kc4 53.Qg6 Kd5 54.Qe4 Kc5 55.Qe5 Kb4 56.Ke4 Kc4 57.Qd4 Kb3 58.Kd3 Ka3 59.Kc3 Ka2 60.Qf2 Ka3 61.Qa7; 51.Ke4 Kb5 52.Kd5 Kb6 53.Qc6 Ka7 54.Qc7 Ka6 55.Kc5 g4 56.Qb6) 1-0. MihaSLOVE (1740) - lovechambertin (1640), Rated Blitz game, lichess.org, 2013. (=1.d4 d5 2.Nf3 g6 3.e3 Bg7 4.c4 c6 5.c5 Nf6 6.b4 0-0 7.Bb2)

8.a4 a5 9.b5 Ne4 10.Qc2 e6 11.Nc3 Nc3 12.Bc3 Re8 13.b6 (13.Bd3 e5 14.Ne5 Be5 15.de5 Nc5+=) 13...e5= 14.0-0-0 (14.Be2 Qe7=) 14...ed4 (14...e4 15.Nd2=) 15.ed4 (15.Bd4 Bd4 16.ed4 Nf6=) 15...Nf6 16.h3 (16.Bd3 Bg4 17.Rde1 Bf3 18.gf3 Re1 19.Re1 Nd7+=) 16...Bf5 (16...Ne4 17.Bd3+=) 17.Bd3= Bd3 18.Qd3 (18.Rd3 Ne4=) 18...Ne4+= 19.Rhf1 Nc3 (19...Qf6 20.Kb2+=) 20.Qc3= Re2 21.Rde1 Re1 22.Re1+= Bh6 23.Kc2 Qf6= 24.Re2 Kf8 25.Ne5 Qf5 26.Qd3 Qd3 27.Kd3 Rd8 28.g4 Bf4 29.Nf3 Re8 30.Re8 Ke8 31.Ne1 Ke7 32.Nc2 Ke6 33.Na1+/– f5 34.f3 Bg3 35.Ke2 Bh2 36.Nb3 Bg1? 37.Kd3 fg4 38.fg4 h5?? 39.Na5 hg4 40.hg4 Kf6 41.Nb7 1–0. Ebert – Lichtnau, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d5 6.c5 c6 7.e3)

8.a4 Qc7 9.Nbd2 e5 10.de5 Ng4 11.Be2 Nge5 12.Ne5 Ne5 13.Qb3 Be6 14.Bd4 Rfe8 15.0-0 Ng4 16.Bg4 Bd4 17.Be6 Ba1 18.Bd5 Be5 19.Bc4 Bh2 20.Kh1 Be5 21.Nf3 Bf6 22.Rd1 Kg7 23.g3 Rad8 24.Kg2 Rd1 25.Qd1 Rd8 26.Qb3 Qd7 27.e4 h6 28.e5 Bg5 29.e6 fe6 30.Be6 Qd1 31.Ng5 Qb3 32.Bb3 hg5 33.b5 Rd3 34.Be6 cb5 35.ab5 Rc3 36.Bc8 Rc5 37.Bb7 Rb5 38.Bc6 Rb2 0–1. racvac001 (1660) – galo2007 (1800), kurnik, 2012. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.e3 d5 7.c5)

8.Nbd2 Re8 9.Qb3 e5 10.h3 (10.de5 Ng4=) 10...ed4 (10...e4!? 11.Nh2 b6–/+) 11.Bd4+= Nf8 12.Qb2 Ne6 13.Bc3 a5! 14.a3 (14.ba5 Nc5 Deflection) 14...ab4 (14...d4!? 15.Nd4 Nd5 16.Ne6 Bc3 17.Qc3 Be6–/+) 15.ab4+= Ra1 16.Qa1 Nh5 (16...Qe7!?+=) 17.Bg7= Nhg7 18.Be2 Nf5 19.Nb3 Qe7 20.–0 Ng5 21.Qc3 Nf3 22.Bf3 Qg5 23.Kh2 Nh4 24.Nd2 f5 (24...Rd8 25.Kh1=) 25.g3 (25.Qd4!?+=) 25...Nf3= 26.Nf3 Qh6 (26...Qh5!? 27.Ng1 g5=) 27.h4+= Qf8 28.Ra1 Qe7 29.Qd4 h6 30.Ra7 Qe6 (30...Qe4 31.Kg2+/–) 31.Qf4 Kg7 (better is 31...Qe4!?+/–) 32.Nd4+– Qf6 (32...Qe4 33.Qd6 Qe7 34.Qe7 Re7 35.Nc6+–) 33.b5 g5 (33...cb5 34.c6 Qe7 35.Nb5+–) 34.Qc7 Kg6?? (34...Kf8 35.hg5 hg5+–) 35.bc6 (35.bc6 bc6 36.hg5 Kg5 37.Qh7+–) 1–0. Semiglazov,Nikolay – Bilyak,Alexander, Pyatigorsk RUS, Stavropol Open, 2012.

8.Bd3 a5 9.b5 Ne4 10.Qc2 Ndf6 11.b6 Re8 12.h3 Nd7 13.Be4 de4 14.Ne5 (14.Nfd2 e5=) 14...Ne5+= 15.de5 Qd3 16.Qd3 ed3 17.Kd2 Rd8 18.Bd4 f6 (18...Bf5!?=) 19.ef6+= Bf6 20.Bf6 (20.Kd3? e5 21.g4 ed4–+) 20...ef6 21.e4 Be6 22.Ke3 Rd7 23.Nd2 a4 24.Rhc1 f5 25.Rc3 Rad8 26.a3 Rd4 27.f3 g5 28.h4 (better is 28.ef5!? Bf5 29.Rd1+=) 28...f4+= 29.Kf2 h6 30.hg5 hg5 31.Rg1 Kf7 32.Rh1 Kg7 33.Rcc1 Rh8 34.Rh8 Kh8 35.Rh1 Kg7 36.Rh5 Kg6 37.Rh8 Rd7 38.Ra8 Bb3 39.Rc8 Kf6 40.Rc7 Ke6 41.Rd7 Kd7 42.Ke1 Ke6 43.Nb1 Ke5 44.Kd2 Kd4 45.e5 (45.Nc3 Kc5 46.Kd3 Bc4 47.Kd2 Bf1–/+) 45...Be6 (45...Kc5!? 46.Kd3 Kb6–+) 46.Nc3–/+ Kc5 (worse is 46...Ke5 47.Kd3 g4 48.Ne2=) 47.Na4 Kb5 48.Nc3 Kb6 49.Ne4 c5 (better is 49...Bf5!? 50.Nd6 Bg6+=) 50.Ng5+/– (worse is 50.Kd3 Bf5–/+) 50...Bf5 51.Nh3 c4 52.Nf4 c3?? (better is 52...Kc5 53.g4 Bh7+/–) 53.Kc3+– 1–0. Kotlowski,Tomasz (1800) – Flieger,Zbigniew (1800), Chojnice op, 2005.

8.Bd3 Qc7 9.Nbd2 a6 10.0-0 Ng4 11.h3 Nh6 12.Qc2 f5 13.Ng5 Nf6 14.f4 Ne4 15.Nde4 fe4 16.Be2 Nf5 17.Qd2 h6 18.Ne4 de4 19.g4 Ng3 20.Bc4 Kh7 21.Rf2 h5 22.Rg2 h4 23.a4 Bd7 24.Bc3 Qc8 25.Qa2 Bg4 26.hg4= Qg4 27.Be6 Qf3 28.Qf2 Qf2 29.Rf2 Rf6 30.Bh3 Nf5 31.Bf5 Rf5 32.Raf1 Bf6 33.Kh2 ½–½. busakid – Eli, playchess.de, 2003.

8.Bd3 Re8 9.h4 a6 10.h5 Nh5 11.Rh5 gh5 12.Ng5 h6 13.Qh5 Nf6 14.Qf7 Kh8 15.Nd2 Rf8 16.Qg6 Bg4 17.Nde4 de4 18.Be4 Bh5 19.Qf5 hg5 20.Kd2 Qc8 21.Qc8 Rac8 22.Bd3 Kg8 23.e4 Bg6 24.f3 Nh5 25.Bc4 Bf7 26.Bd3 Nf4 27.Bc2 Rcd8 28.Rh1 Bd4 29.Bd4 Rd4 30.Ke3 Rb4 31.e5 Bg6 0–1. varin123 – unuklukin, kurnik, 2012.

8.Be2 Qc7 9.0-0 Re8 10.Nbd2 e5 11.Qb3 a6 (11...e4 12.Ne1=) 12.a4 ed4 13.Nd4 Ne4 14.Ne4 Re4 15.Bd3 Re8 16.b5?? (better is 16.Rae1!?+=) 16...ab5 17.ab5 Ra1 18.Ra1 Nc5 19.Qc2 Nd3 20.Qd3 Bf5 21.Nf5 gf5 (better is 21...Bb2 22.Rb1 Be5 23.Nh6 Kh8 24.bc6 bc6–/+ (24...Bh2?! 25.Kh1=)) 22.Bg7+= Kg7 23.Qf5 Qe5 24.Qg4 Kh8 25.Rf1 c5 26.h4 (26.Qd7!?+/–) 26...d4 27.ed4 Qd4 28.Qd4 cd4 29.Rd1 Rd8 30.f4 Kg7 31.Kf2 Kf6 32.Kf3 Kf5 33.g4 Kf6 34.Ke4 d3? (better is 34...Re8!? 35.Kd3 h5 36.gh5 Rh8+=) 35.Rd3+– Rd3 36.Kd3 Ke6 37.Kd4 Kd6 38.f5 b6 39.g5 Kd7 40.Kd5 Kc7 41.Ke5 Kd7 42.h5 Ke7 43.f6 Kd7 44.g6 hg6?? 45.h6 g5 46.h7 g4 47.h8Q g3 48.Qg8 g2 49.Qf7 Kc8 50.Qg6 g1Q 51.Qg1 Kb7 52.Qg7 Kb8 53.f7 Kb7 54.f8Q 1–0. Toll,Anatoly – Jenson,Norman, Dos Hermanas Internet qual–E, 2009.

8.Be2 Ne4 9.0-0 Re8 10.Nc3 Nc3 11.Bc3 e5 12.Re1 (12.Ne5 Ne5 13.de5 Be5 14.Be5 Re5+=) 12...e4= 13.Nd2 f5 14.Qb3 Kh8 (14...Qf6 15.a4=) 15.a4 White plans b5 (15.b5 f4=) 15...g5 (15...Qg5 16.b5=) 16.b5+= Re6 17.a5 a6 18.bc6 bc6 19.Reb1 Rh6 20.Nf1 f4 21.Bg4 (21.Qc2!?=) 21...Nc5+= 22.dc5 Bg4 23.Bg7 Kg7 24.Qc3 (24.Qb7 Kf8+=) 24...Rf6 (24...Kg8 25.h3 Be2 26.Nh2–/+) 25.Rb7 Kg6 26.Rab1 Bc8 (26...fe3 A) 27.Ne3? d4 28.Qe1 de3 29.Qe3 Qd3–+ (29...Qa5 30.Qe4 Bf5 31.Qe7+–); B) 27.fe3 Qg8 28.R1b6+=) 27.R7b6= Qc7 28.R1b4 Ra7 29.Rd4 Qd7 30.Qb2 h5 (30...Qe6 31.ef4 gf4 32.Rb8–/+) 31.Qc3 h4 32.Nd2 Qf5 33.f3 Re7 (33...fe3 34.Qe3 h3 35.Qe2+= (35.fe4 Qg4 36.Qf3 Rf3 37.Rc6 Kg7 38.Rc7 Rf7 39.Rf7 Rf7 40.g3 Qd1 41.Nf1 Rf1)) 34.fe4= de4 35.Rd6 Ree6 36.Rbc6 f3 37.gf3 (better is 37.Qc4!? Rd6 38.Rd6 Rd6 39.cd6 f2 40.Kf1=) 37...ef3–/+ 38.Kf2 Qh3 39.Qd3 Kh6 40.Qf1?? (better is 40.Nf1 Qg2 41.Ke1 f2 42.Kd2 Qc6 43.Rc6 Rc6 44.Qd8–/+) 40...Qh2–+ 41.Ke1 Re3 42.Kd1 Rd6 (42...Be6 43.Ra6 Qe5 44.Rd3 Qa1 45.Kc2–+) 43.Rd6 Kh5 Black prepares the advance h3 44.Qc4 (44.Nf3?? Bg4 45.Rd3 Bf3 46.Qf3 Rf3 47.Rf3 Qg1 48.Ke2 Qc5–+) 44...Qe2 45.Qe2 fe2 (45...Re2?! 46.Nf3 Re3 47.Nd4–+) 46.Ke1 Bg4 47.Rd5 (47.Rd8 Rg3 48.Re8–+) 47...h3 48.Rd8 Kh4 (better is 48...Rg3 49.Rh8 Kg6–+) 49.c6 (49.Rh8 Bh5 50.Nf1 ef1N 51.Kf1 h2 52.Rh5 Kh5 53.Kg2 Re2 54.Kf3 Re1 55.Kg3 h1Q 56.Kf2 Qg1 57.Kf3 Re3) 49...h2 50.Rh8 (50.Ne4 h1Q 51.Kd2 e1Q 52.Kc2 Qc1) 50...Bh5 (50...Bh5 51.Rh5 Kh5 52.Nf3 h1Q 53.Kd2 Rf3 54.Kc2 e1Q 55.c7 Qg2) 0–1. Franch Guiral,R (1960) – Jocher,Georg (1930), XVII Sant Marti Open, 2015.

8.Be2 e6 9.0-0 b6 10.a4 bc5 11.dc5 Rb8 12.Nd4 Qc7 (12...Rb4? 13.Nc6 Rb2 14.Nd8 Rd8 15.c6+–) 13.Qe1 (13.b5 Ne4 14.Nc3 Ndc5 15.Rc1 cb5 16.Ne4 de4 17.Qc2+=) 13...Nc5+= 14.b5 Bd7 15.Ba3 Rfc8?? (better is 15...cb5 16.ab5 Rfc8–/+) 16.bc6+/– Bc6 17.Bc5 Ne4 18.Bb4 e5 19.Nc6 Qc6 20.Bb5 Qe6 21.Nd2 Nd2 22.Bd2 e4 23.Rc1 a6 24.Rc8 Rc8 25.Be2 d4 26.ed4 Bd4 27.Be3 Bg7 28.Qa5 Qc6 29.Qa6 Qa6 30.Ba6 Ra8 31.Rc1 Bb2 32.Rc8 Rc8 33.Bc8 Bc3 34.g4 f5 35.gf5 1–0. Lauko,Marian (1870) – Volf,Miloslav, Strmilov op, 2005.

8.Ne5 b6 9.Nd7 Nd7 10.Qd2 a5 11.cb6 Nb6 12.ba5 Na4 13.Qb4 Nb2 14.Qb2 Qa5 15.Qc3 c5 16.Qa5 Ra5 17.Nd2 cd4 18.Nb3 de3 19.Rb1 ef2 20.Kf2 Ra2 21.Kf3 Ra3 22.Bd3 Be6 23.Rhd1 d4 24.Nc5 Bf5 25.g4 Bd3 26.Rd3 Rd3 27.Nd3 e5 28.Ke4 Rc8 29.g5 Rc5 30.Nc5 h6 31.gh6 Bh6 32.Ke5 Kg7 1-0. belja (1895) - Rafik55 (1830), Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.e3 Nf6 3.c4 c6 4.c5 g6 5.b4 Bg7 6.Bb2 0-0 7.Nf3)

8.Nc3 f5 9.Bd3= Nd7 10.Ne2 Qc7 11.Nf4+= Ndf6 12.Ne5 Ng5 13.h4 Nf7 14.Nf7 Rf7 15.Qc2 (15.f3 Nh5 16.Nh5 gh5+/–) 15...Ng4= 16.0-0-0 (16.Be2 Bd7=) 16...e5 17.Nh3? (17.de5 Be5 18.Kb1 Bd7=) 17...Re7 (17...e4!? 18.Bf1 a5–/+) 18.h5+= b6 (18...a5!? 19.hg6 hg6=) 19.hg6 hg6 20.Be2 ed4 (20...a5 21.de5 ab4 22.Bg4 fg4 23.Ng5+=) 21.Bd4 Bd4 22.Rd4 Ne5 23.Ng5+/– Nf7 24.Nf7 Rf7 25.Rdh4+– Qe5 26.Qb2 Qb2+/– 27.Kb2 bc5 28.Rh8+– Kg7 29.R1h7 Kf6+/– 30.Rf7 Kf7 31.Ba6! cb4 32.Bc8 Kf6 33.Rf8 Kg5 34.Re8+– c5 35.Bd7 Re8 36.Be8 Kf6 37.f4 c4 38.Kc2 a5 39.Kb2 Ke6? 40.Bg6 a4 41.Be8 a3 42.Kc2 d4? 43.ed4 Kd5 44.Bg6 Kd4 45.Bf5 Ke3 46.g3 1–0. Meshcheriakova,E (2305) – Nemcova,Kat (2160), 8th ch–Euro w, Dresden GER, 2007.

8.Bd3 Bg4 9.0-0 Bf3 10.Qf3 f5 11.Qd1 e6 12.Nd2 Qg5 13.Nf3 Qe7 14.a4 Na6 15.b5 Nb4 16.Be2 cb5 17.ab5 a5 18.ba6 ba6 19.Qb3 Rab8 20.Ba3 Nc6 21.Qa4 Nd8 22.Qa6 Nf7 23.c6 Qc7? 24.Bf8 Bf8 25.Qa7 Qd6 26.Qd7 Qb4 27.c7 Qb7 28.Ba6 (28.Ba6 Qb3 29.cb8R Qb8 30.Qe6+–) 1–0. ourang – walkiria1, kurnik, 2012.

8.Be2 f5 9.Ne5 e6 10.0-0 g5 11.f4 g4 12.g3 Bd7 13.Nc3 Be8 14.Ne4 de4 15.a4 h5 16.Qb3 Rf6 17.Bc4 Qe7 18.Kg2 Rh6 19.b5 h4 20.Ba3 Be5 21.de5 Nd7 22.Qb4 Qh7 23.Rh1 Nf8 24.Qd2 Rc8 25.b6 a6 26.h3 Bh5 27.hg4 Bg4 28.Be2 hg3 29.Rh6 Qh6 30.Rh1 Bf3 31.Bf3 ef3 32.Kf3 Qh1 33.Kg3 Qg1 34.Kf3 Qg4 35.Kf2 Qh4 36.Kg1 Rd8 37.Qe2 Rd7 0–1. Kemeri – Eberth, Sarospatak 1992.

8.Bd3 Qe7 9.0-0 Nbd7 10.b5 Ne8 11.a4+= e5 12.Re1?? e4–+ 13.Ne5 ed3 14.Nd7 Bd7 15.Qd3 Bf5 16.Qc3 Qg5 17.Nd2 Nc7 18.Nf3 Qf6 19.bc6 bc6 20.Ne5 Rfe8 21.Bc1 Ne6 22.Rb1 Ng5 23.Rb7 Reb8 24.Qb3 Rb7 25.Qb7–/+ Rc8 26.e4? Ne4–+ 27.f3? Ng5 28.g4 Be6–+ 29.Kg2 h5 30.Nc6?? hg4 31.Bg5 Qg5 32.f4?? Qf6 33.Ne7?? Kh7–+ 34.Nc8 Qf4 35.Nd6 Qf3 36.Kg1 Bd4 37.Re3 Be3# 0–1. reverendrev – Bennyhill, Caissa.com, 2004.

8.Be2 Nbd7 9.0-0 Re8 (9...a5 10.a3=) 10.Nbd2 a6 (10...Qc7 11.a4+=) 11.a4 Kh8 (11...Ng4 12.Qc2+=) 12.b5 (12.Qc2 Kg8+/–) 12...ab5 (12...e5 13.Ne5 Ne5 14.de5+=) 13.ab5 Ra1 14.Qa1 Qc7 15.Bc3 (better is 15.b6 Qd8 16.Qa5+/–) 15...Qb8? (15...b6!?+/–) 16.Rb1 (16.bc6 bc6 17.Rb1 Qc7+–) 16...Nf8? (better is 16...cb5 17.Bb5 Qc7+–) 17.bc6+– Kg8 (17...Qc7+–) 18.cb7 Bd7 19.Qa6 Ne4 20.Ba5 Nd2 21.Nd2 (21.Nd2 Bf6 22.Qd6 Qd6 23.cd6+–) 1–0. Brukske – perskak, internet, 2007. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.c4 c6 5.e3 0-0 6.Bb2 d5 7.c5)

8.Nc3 Nbd7 9.a4 Nh5 10.b5 e5 11.Be2 e4 (11...Qe7 12.Ne5 Ne5 A) 13.Bh5? Nc4-+ (13...gh5?! 14.de5 Be5 15.Qh5=+); B) 13.de5 Qc5 14.Qd4=) 12.Nd2+= Nhf6 13.0-0 Nf8 14.Re1 Qd7 15.Nf1 Ng4 16.Bg4 (16.a5 Qf5 17.f3 Nf6+=) 16...Qg4= 17.Qg4 Bg4 18.h3 Be6 19.a5 White prepares the advance b6 19...Re7 20.b6 f5 21.Nd2 Nd7 22.g3 a6 23.Kg2 h5 24.Ne2 g5 25.h4 gh4 26.gh4 Kh7 27.Nf4 Bf7 28.Rh1 (28.Nf1 Rg8 29.Ng3 Ree8=) 28...Bf6 29.Kf1 Rg8 30.Ke2 Rg4 31.f3 Rh4 (31...ef3 32.Kf3 Re8 33.Rab1-/+) 32.Rh4=+ Bh4 33.Rh1 Bf6 (33...Bg5 34.Nh5 ef3 35.Nf3 Be3 36.Ng3 Kg6 37.Nh4 Kg5 38.Ngf5 Bd4 39.Ne7 Bb2 40.Nf3 Kf6 41.Nc6 bc6 42.b7=) 34.Nh5= Bh5 35.Rh5 Kg6 36.Rh3 Rh7 37.Rg3 (better 37.Rh7!? Kh7 38.Ba3=) 37...Kf7-/+ 38.Nf1 (38.fe4 Rh2 39.Kd1 fe4 40.Bc1-/+) 38...Nf8 (better 38...Nc5!? 39.dc5 Bb2-+) 39.Bc1 Ng6 40.Kf2?? (40.f4 Rh1=+) 40...f4?? (better 40...Bh4-+) 41.Rg4 Rh3 42.fe4 de4 43.ef4 (43.Kg1!?=+) 43...Bd4-/+ 44.Kg2 (44.Ke2!?-/+) 44...Rf3-+ 45.f5 Rf2 46.Kh3 Rf5 (46...Ne5 47.Rf4 Bc5-/+) 47.Be3? (better 47.Ng3 Rc5 48.Ne4-/+) 47...Rf3 (47...Rf1?! 48.Bd4 Rf3 49.Kh2-/+) 48.Rg3 Rf1 49.Bd4 Nf4 50.Kg4? (50.Kh2 Ne6 51.Be3-+) 50...Ne2 51.Re3 Nd4 52.Re4 Ne6 53.Kg3 (53.Ra4 Rb1-+) 53...Nc5 54.Rc4 Ne6 (54...Nb3 55.Ra4 Rf5 56.Kh2-+) 55.Kg2 (55.Ra4 c5-+) 55...Ra1 56.Rh4 Ra5 57.Rh7 Kf6 (better 57...Ng7!? 58.Kf3-+) 58.Rb7 Nc5 (58...Rb5 59.Rb8 Nc5 60.Kf3-+) 59.Rb8 (59.Rc7 Rb5 60.Rc6 Ke5 61.Kf1-+) 59...Rb5 60.Kf3 Ke5 61.Ke3 Kd5 62.Kd2 Ne6 (better 62...Kc4!? 63.Kc2-+) 63.b7 1-0. traker100 (1705) - fredymam (1800), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.c5 g6 5.b4 Bg7 6.Bb2 0-0 7.e3)

8.Ne5 Nbd7 9.Bd3 Ne5 10.de5 Nd7 11.f4 e6 12.0-0 a5 13.a3 b6 14.Bd4 ab4 15.ab4 Ra1 16.Ba1 bc5 17.bc5 Nc5 18.Qc2 Nd3 19.Qd3 c5 20.Rc1 c4 21.Qa3 Bf8 22.Qa7 Re7 23.Qb8 Rb7 24.Qa8 Qc7 25.Bd4 Bd7 26.Nc3 Kg7 27.h4 Rb2 28.Na4 Ba4 29.Bb2 Bc6 30.Bd4 Ba8 31.Bb2 0-1. belja (1905) - gae (1905), Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.e3 g6 3.c4 Nf6 4.c5 c6 5.Nf3 Bg7 6.b4 0-0 7.Bb2)

8.Bd3 Bd3 9.Qd3 Nbd7 10.Nbd2 a6 11.a4 Qc7 12.0-0 Rfe8 13.Ne5 e6 14.f4 Nh5 15.g4 Nhf6 16.g5 Nh5 17.Ndf3 Ne5 18.de5 Bf8 19.Nd4 Ng7 20.e4 Rad8 21.Rad1 Rd7 22.Rf3 a5 23.Bc3 Ra8 24.ba5 de4 25.Qe4 Bc5 26.Kh1 Nf5 27.Rfd3 Bd4 28.Bd4 Nd4 29.Rd4 Rd4 30.Rd4 Ra5 31.Rb4 Rd5 32.Rd4? Qd8–+ 33.Rd5 Qd5 34.Qd5 ed5 (34...cd5?! 35.Kg2–+) 0–1. katchum (2470) – croach (2245), net–chess.com, 2011.

8.Bd3 Ne4 9.Be4 Be4 10.Nbd2 f5 11.0-0 Nd7 (11...Bd3 12.Re1 Be4=) 12.g3 (12.Ng5 Qc8+=) 12...Qc7 (12...Bd3!? 13.Re1 e6+=) 13.Ng5 (13.Ne1 f4 14.Ne4 de4 15.Qb3 Kh8 16.gf4 b6+/–) 13...Rf6+= 14.Qb3 h6 15.Nge4 fe4 16.Ne4 Rf7 17.Nd2 e5 18.de5 Be5 19.f4 Bb2 20.Qb2 Re8 21.Rae1 Nf6 22.e4 de4 23.Qd4 Rd8 24.Qc3 Rd3 25.Qc2+/– Qd7 26.Ne4 Qd4? 27.Nf2+– Rd2 28.Qg6 Rg7 29.Qh6 Rf2+/– 30.Rf2 Qf2 31.Kf2 Ng4 32.Kf3 Nh6 33.h3 Kf7 34.g4 Rg8 35.f5 Rd8 36.Re3 Rd2 37.a3 Rd4 38.Re4 Rd3+= 39.Re3 Re3?? 40.Ke3+– Kf6 41.Kf4 Nf7 42.h4 b6 43.g5 Ke7 44.cb6 ab6 45.h5 Nd6 46.h6 Kf7 47.g6 Kf6 48.g7 Kf7 49.Ke5 (49.Ke5 Nc4 50.Ke4 Nd6 51.Kd4 Nf5 52.Ke5 Nh6 53.Kd6 Nf5 54.Kc6 Nd4 55.Kb6+/–) 1–0. ludice (1755) – supersz (1670), kurnik, 2011.

8.Be2 Be4 9.0-0+= Bf3 10.Bf3 Re8 11.Nd2 Nbd7 12.Be2 a6 13.a4 White prepares b5 13...Qc7 14.b5 (14.Qc2 a5+=) 14...ab5= 15.ab5 Kf8 (better 15...b6!?=) 16.b6+/- Qc8 17.Qb3 e5 18.Ra8 Qa8 19.Ra1 Qd8 (better 19...Qb8+/-) 20.f4?? (better 20.Ra7 Qb8 21.de5 Ne5 22.Qb4+/-) 20...ef4=+ 21.ef4?? (21.Nf1=+) 21...Qe7 (better 21...Re2 22.Qd1 Qe8-+) 22.Re1 (22.Bf3 Kg8+=) 22...Ra8 (22...Ng4 23.g3 Nc5 24.Qa3 Qe3 25.Qe3 Ne3 26.dc5 Bb2 27.Rb1-+) 23.Ba3 (better 23.Qg3!?+=) 23...Ne4 (better 23...Nh5 24.Nf3 Nf4-/+) 24.Bd3?? (24.Nf3 Nd2 25.Nd2 Bd4 26.Kh1 Bf2-+) 24...f5 (better 24...Bd4 25.Re3 Be3 26.Kh1 Nf2 27.Kg1 Nd3 28.Kh1 Bd2 29.Qd1 Nf2 30.Kg1 Nd1 31.h3 Qe1 32.Kh2 Bf4 33.g3 Qg3 34.Kh1 Nf2) 25.Nf3=+ Bf6 (25...Nb6 26.Ne5=+ (worse 26.Qb6 Ra3 27.Be4 Rf3 28.gf3 Bd4 29.Kg2 fe4 30.fe4 de4-/+)) 26.Ne5 (26.Bb4 Kg7=) 26...Ne5 (26...Nb6!? 27.Bb4 Nd7=+) 27.fe5+= Bg5 28.g3?? (28.Bb2 Bf4 29.g3 Qg5+=) 28...Bd2?? (28...Nd2 29.Qb2 Nf3 30.Kf1 Ne1 31.Ke1-+) 29.Rf1?? (better 29.Re2 Qg5 30.Be4 fe4 31.h4=) 29...Be3-+ 30.Kg2 Bd4 (better 30...Nd2 31.Qb4 Nf1 32.Bf1 Bd4 33.Qd4 Ra3-+) 31.g4?? (better 31.Be4 de4 32.e6-/+) 31...Qe5 (31...Qh4 32.Be2 Be5 33.h3-+) 32.gf5 (32.Bc1 Nc5 33.Ba3 Ra3 34.Qa3 Qe3 35.gf5 Qd2 (35...Qd3?! 36.fg6 Kg7 37.Qd3 Nd3 38.Rf7 Kg6 39.Rb7-+) 36.Kg3 Be5 (36...Qd3?! 37.Qd3 Nd3 38.fg6 Kg7 39.gh7-+) 37.Kf3 Qd3 (37...Qh2? 38.Qc5 Kf7 39.fg6 hg6 40.Rf2 Qh5 41.Ke3 Ke6 42.Kd2+-) 38.Qd3 Nd3 39.fg6 hg6 (39...Bh2?! 40.Ke3 Kg7 41.Kd3 hg6 42.Ra1=+) 40.Ke3 Nf4-+) 32...Kg7 (32...Nd2 33.Qd1 Nf1 34.Qf1 gf5 35.Bf5 Ra3 36.Bg6 Kg7 37.Qf7 Kh6 38.Qh7 Kg5 39.Qh5 Kf6 40.Qe5 Ke5 41.Be8-+) 33.f6 (33.Bb4 Bc5 34.Bb1 Bb4 35.Qb4 gf5-+) 33...Nf6 (33...Kf7 34.Bb4 Qg5 35.Kh1 Nf2 36.Rf2 Ra1 37.Qb1 Rb1 38.Bb1 Bf2 39.Bg6 hg6 40.Bd2 Qg1) 34.Bc1 Be3 (34...Ne4 35.Bf4 Qe6 36.Qb1-+) 35.Bb2 (35.Be3 Qe3 36.Qb2 d4-+ (36...Qd3?! 37.Qf6 Kg8 38.Qf7 Kh8 39.Qf6 Kg8 40.Qf7 Kh8 41.Qf6 Kg8=)) 35...Qg5 (35...d4!? 36.Bc4-+) 36.Kh1 d4 37.Qd1?? (37.Qe6 Qd5 38.Qd5 cd5 39.Re1-+) 37...Qd5 38.Rf3 (38.Qf3 Qf3 39.Rf3 Ra2 40.Re3 de3-+ (40...Rb2?! 41.Re7 Kh6 42.Kg1-+)) 38...Ra2 39.Bc1 (39.Qe2 Rb2! 40.Qb2 Qf3 41.Qg2-+) 39...Ra1 (39...Ng4 40.Be3 Ne3 41.Bc4 Nc4 42.Qb3 Ne3 43.Qe3 de3 44.Kg1 Qf3 45.h3 Qd1) 40.Kg2 Rc1 41.Qa4 Rg1 (41...Rg1 42.Kh3 Qh5) 0-1. Lisa_Chen (1620) - FSV (1800), Rated Classical game, lichess.org, 2014.

8.Be2 Bg4 9.0-0=.

8.Nbd2 Nbd7 9.h3 Bf3 10.Qf3 Re8 11.Be2 e5 12.0-0 e4 13.Qg3 Qb8 14.Qb8 Rab8 15.b5 Nf8 16.Rab1 Ne6 17.Bc3 Nd7 18.Rb3 f5 19.Rfb1 f4 20.Bg4 fe3 21.fe3 Nef8 22.Bd7 Nd7 23.bc6 bc6 24.Rb7 Rb7 25.Rb7 ½–½. Woschkat,Karl_Heinz – Mego,Peter, IECG, 1998.

8.Be2 a5 9.a3 Na6 10.Qb3 b5 11.0-0 Nd7 12.Nbd2 a4 13.Qc2 Nc7 14.Bd3 Bf3 15.Nf3 e6 16.Ne5 Ra6 17.Rad1 f6 18.Nd7 Qd7 19.f3 f5 20.Qf2 Raa8 21.Bc3 Rae8 22.Qg3 Rf7 23.Rd2 Rfe7 24.Qd6 Rd8 25.Qd7 Rdd7 26.f4 h5 27.g3 Bf6 28.Rg2 Rh7 29.h3 Rdg7 30.g4 h4 31.Kh2 Kf7 32.Rfg1 Kf8 33.Be1 Kf7 34.Bf2 Kf8 35.Be2 Kg8 36.Bd3 ½–½. Kaenel,Hansjuerg – Ost Hansen,Jacob, Winterthur U20, 1974. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 d5 7.c5)

8.Be2 Nbd7 9.0-0 Qc7 10.Nbd2 Rae8 11.Qc2 h6 12.a4 Bf5 13.Qc3 g5 14.Qb3 Ne4 15.Ne4 Be4 16.Nd2 Bg6 17.b5 e5 18.de5 Ne5 19.b6 ab6 20.cb6 Qb8 21.Nf3 f5 22.Ne5 Be5 23.Be5 Qe5 24.h3 f4 25.Bf3 Be4 26.ef4 Qf4 27.Be4 Qe4 28.Rfe1 Qe1 29.Re1 Re1 30.Kh2 Rf2 31.Qg3 Ree2 32.Qb8 Rf8 33.Qb7 Rff2 34.Qc8 Rf8 35.Qc6 Rd2 36.Qg6 Kh8 37.Qh6 Kg8 38.Qg5 1–0. Edi – APV99, ICS, 2000.

8.Be2 Nbd7 9.Nbd2 Re8 10.0-0 Qc7 11.Qc2 Bf5 12.Bd3 Bd3 13.Qd3 Nh5 14.Rfe1 e5 15.de5 Ne5 16.Be5 Be5 17.Ne5 Qe5 18.Qd4 (18.a3 Nf6+=) 18...Qe7 (18...Qd4 19.ed4 Nf4 20.Kf1=) 19.g4 (19.Rad1!?+=) 19...Ng7=+ 20.Qf4 Ne6 21.Qg3 (21.Qe5 b6=+) 21...Ng5 (21...b6 22.Nb3-/+) 22.f3 (22.a3!?=+) 22...a5 23.h4 (23.ba5 Qc5 24.Nb3 Qa7-/+) 23...Ne6-+ 24.a3 Qf6 25.Nb3 ab4 26.ab4 Ra1 27.Ra1? (27.Na1 Qb2 28.e4-+) 27...Qb2 28.Qe1 Qb3 0-1. Araujo Miranda,Styven Sandro - Mollo,Jhoan (2020), ch-Panamerican U20, 2019. (=1.c4 c6 2.d4 d5 3.c5 Nf6 4.Nf3 g6 5.b4 Bg7 6.Bb2 0-0 7.e3)

8.Be2 Nbd7 9.Nbd2 Re8 10.0-0 Qc7 11.Ne5 Be2 12.Qe2 Ne5 13.de5 Nd7 14.f4 f6 15.e6 Nf8 16.f5 gf5 17.Rf5 Ne6 18.Raf1 Ng5 19.h4 (19.Qg4 Nf7 20.Rh5 Qc8=+) 19...Nf7-/+ 20.Nf3 (20.e4 Rad8-/+) 20...e5 21.h5 (better 21.Nd2!?-/+) 21...Nh6-+ 22.Nh4 Qd7 (22...Nf5 23.Nf5 Bf8 24.Qg4 Kh8 25.Qh4-+) 23.R5f3 Kh8 (23...a5 24.b5-+) 24.Rg3 (24.Nf5 Nf5 25.Rf5 a5-/+) 24...Rg8 25.Qf3 Raf8 26.a4 (26.e4!?-/+) 26...a5!-+ 27.e4 (27.ba5 Qe7 Combination) 27...d4 (27...ab4!? 28.Bc1 Qe7-+) 28.Bc1 (28.ba5 Qe7=+) 28...ab4-/+ 29.Nf5? (better 29.Qb3!?-/+) 29...Nf5-+ 30.ef5 h6 (30...Rd8 31.Bd2-+) 31.Bd2 (31.Qb3 e4-+) 31...Kh7 (31...Ra8 32.Qb3-+) 32.Rg6 (32.Rb1 Re8 33.Qe4 Qf7-/+) 32...Qf7 33.Qg3 (better 33.Rb1-+) 33...Bh8?? (better 33...Ra8!? 34.Bb4 Ra4 35.Rb1-+) 34.Bb4 (34.Rh6) 34...Rg6?? (better 34...Qc4 35.Qe1 Ra8-/+) 35.hg6 Kg7 36.gf7 Kf7 37.Qg6 (37.Qg6 Ke7 38.Qh7 Bg7 39.Qg7 Ke8 40.Rb1 Rg8 41.Qg8 Kd7 42.Qe6 Kc7 43.Ba5 Kb8 44.Bb6 e4 45.Qe8) 1-0. Ligonazo (2365) - zumpili (2440), Rated Bullet game, lichess.org, 2021.

8.Be2 Ne4 9.0-0 Qc8 10.Nbd2 f5 11.Ne5 Be2 12.Qe2 Be5 13.de5 Qe6 14.f3 (14.Nb3 Qf7+=) 14...Ng5 (14...Nd2 15.Qd2 Nd7 16.Rfd1=) 15.f4 Nf7 16.Nf3 h6 17.Nd4 Qc8 18.Qf2 e6 19.Qg3 Kh7 20.h4 h5 21.a3 Na6 22.Nf3 b6 23.cb6 ab6 24.Ng5 Ng5 25.hg5 Nc7 26.Qf2 Nb5 (26...c5!?=) 27.Rfc1+/- Qd7 28.Qc2 Rfe8 (better 28...Na7!?+/-) 29.Qc6+- Qc6 30.Rc6 Rab8?? (better 30...Ra6+-) 31.a4 Na7 32.Rc7 Kg8 33.Ra7 Rec8 (33...Ra8 34.Rd7 Red8 35.Rd6 Rd6 36.ed6+-) 34.Rc1 (better 34.Bd4!? Kf8+-) 34...Rc1 35.Bc1 Rc8 (35...b5 36.a5 Rc8 37.Bb2+-) 36.Bd2 (36.Bb2!? Rc2 37.Bd4 Rc4+-) 36...Rc2 37.Be1 Re2 38.Bf2 Rb2 (38...Ra2 39.b5+-) 39.b5 Ra2 40.g3 Kf8 41.Ra6 (better 41.a5!? ba5 42.b6 Rb2+-) 41...Kf7 42.Rb6 Ra4 43.Rb7 Kf8 44.b6 Rb4 45.Kg2 Ke8 46.Kf3 Kd8 47.Be1 Rb5 (47...Rb3 48.Rg7 Kc8 49.Rg6+-) 48.Bc3 Rb3 (48...Rb1 49.Rg7+-) 49.Bd4 Rb1 50.Rg7 Rh1 51.Rg6 h4 52.gh4 Rh4 53.Re6 (53.Rg8 Kd7 54.b7 Kc7 55.b8Q Kc6 56.Rc8 Kd7 57.Qc7) 53...Rh3+- 54.Ke2 Rh7 55.Rf6 (55.Rh6 Rb7 56.e6 Rb6 57.Bb6 Ke7 58.Bc5 Kd8 59.e7 Kd7 60.Rh8 Kc6 61.Rc8 Kb7 62.e8Q Ka6 63.Qc6 Ka5 64.Ra8) 55...Kc8 56.Rf5 1-0. MihaSAH (1700) - danshingennady2012, Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.Nf3 g6 3.e3 Bg7 4.c4 Nf6 5.c5 0-0 6.b4 c6 7.Bb2)

8.Be2 Ne4 9.h3 Bf5 10.Nbd2 Nd7 11.Ne4 Be4 12.0-0 Nf6 13.Ng5 e6 14.Ne4 Ne4 15.a4 White prepares b5 15...Qh4 16.b5 Bh6 17.Bc1 f5 18.Qc2 f4 19.ef4 Bf4 20.Bf4 Qf4 21.Bf3 (better 21.Rad1+=) 21...Nd2-/+ 22.Qd3 Nf1 23.Rf1 Rf5 (23...e5!? 24.de5 Qe5-+) 24.Bg4-/+ Rg5 (better 24...Rf6!? 25.g3 Qc7-/+) 25.Be6= Kg7 26.Bg4 h5 27.Bf3 Qh4 (27...Rf8 28.Kh1=+) 28.Kh1 (better 28.Re1!? Rf8 29.Re7 Rf7 30.Rf7 Kf7 31.a5=) 28...Rf8=+ 29.Qe3 Rff5 (29...Rgf5 30.Kg1=+) 30.Qe7 (30.Rb1 Rf7 31.bc6 bc6 32.Rb8=+) 30...Rf7=+ 31.Qe3 Rf6 (31...Rgf5 32.Kh2=+) 32.Kh2 (better 32.Re1=) 32...Rf4?? (better 32...Qf4!? 33.g3 Qe3 34.fe3 Re6=+) 33.g3 (33.bc6!? bc6 34.Rb1+-) 33...Rf3 34.gh4 (34.Qf3?! Qd4 35.Qa3 Rf5=+) 34...Re3 35.fe3 (35.fe3 Rf5 36.Rf5 gf5 37.a5+=; worse 35.hg5 Ra3=) 1-0. muhammadaudii (1960) - elminster59 (1850), Rated Bullet game, lichess.org, 2020.

8.Be2 Re8 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Na6 13.b5 Nc7 (13...Bf3 14.gf3 (worse 14.ba6 Be2 15.Qe2 Qa8-/+) 14...cb5 15.Bb5=) 14.bc6 (14.b6 Na8+=) 14...bc6= 15.Nbd2 Qa8 16.Ne5 Be2 17.Qe2 Nb5 18.Qd3 Qc8 19.Bb2 Nd7 20.Nd7 Qd7 21.Nf3 Qg4 22.h3 Qd7 23.Ra1 Qb7 24.Bc3 Ra8 25.Ra8 Qa8 26.Be1 Na3 27.g3 Nc4 28.Kg2 Qa2 29.Nd2 Nd2 30.Bd2 e5 31.Bc3 e4 32.Qd2 Qa6 33.Ba5 f5 34.Bc7 g5 35.Bd8 h6 36.Bc7 Bf6 37.Qe1 h5 38.Qf1 (38.Bd6!?+=) 38...h4?? (better 38...Qf1 39.Kf1 Kf7=+) 39.Qa6+- 1-0. MihaSAH (1775) - ormine (1605), Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 c6 5.c5 Bg7 6.b4 0-0 7.Bb2)

8.Be2 Re8 9.0-0 Bf3 10.Bf3 Nbd7 11.a4 e5 12.de5 Ne5 13.a5 Ne4 14.Be5 Be5 15.Ra2 Qh4 16.Be4 Qh2 0-1. fedorstar - bon_jovi (1670), Rated Blitz game, lichess.org, 2014. (=1.c4 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.c5 c6 7.e3)

8.Be2 Bf3 9.Bf3 Nbd7 10.a4 Qc7 11.0-0 e5 12.b5 e4 13.Be2 Rab8 (13...b6 14.bc6 Qc6 15.cb6=) 14.a5 cb5 15.Bb5 a6 16.Be2 Rbc8 17.Qa4 Ne8 18.Bg4 (18.Nc3!? Nef6 19.Rab1+/–) 18...f5= 19.Be2 Nb8 20.Ba3 (20.Nc3 Nf6+=) 20...Nc6= Attacking the isolated pawn on a5 21.Bb2 Nf6 22.Bc3 Nd7 (22...f4 23.ef4 Qf4 24.Bd2=) 23.Rd1 (23.Qb3 Nf6=) 23...Rf7 24.Nd2 (24.Qb3!? Nf6 25.Qb6=) 24...Nc5+= 25.Qa3 (25.Qa2!? Rd8 26.Rdc1+=) 25...Ne6–/+ Black intends f4 26.Rdc1 Qd7 27.Ra2 f4 28.Bf1 (28.Rac2!?–/+) 28...fe3–+ 29.fe3 Rcf8 30.Raa1 Ne7 (30...Bh6 31.Re1–+) 31.Bb4 (31.Rab1 Nf5 32.Re1 Rf6–/+) 31...Re8 (31...Nd4!? 32.ed4 Bd4 33.Kh1 Ba1 34.Qa1–+) 32.Nb3–/+ Nf5 33.Nc5 Nc5 34.Bc5 Bh6 35.Re1 Qd8 36.Bb6? (36.Ra2 Qh4 37.Qc3 Re6–+) 36...Qd6?? (36...Qf6 37.h3–+) 37.Bc5? (better is 37.Qd6 Nd6 38.Bc5–/+) 37...Qf6–+ 38.Qb2 (38.h3–+) 38...Rc8 (38...Be3 39.Kh1 Qg5 40.g4 Qg4 41.Qg2 Qg2 42.Bg2–+) 39.Rab1 Ne3 (better is 39...Be3 40.Kh1–+) 40.Qe2 Nc4 (40...Nf1?! 41.Rf1 Qe6 42.Rf7 Qf7 43.Rf1–+) 41.Rb4 (41.Qg4 Rc5! 42.dc5–+) 41...Be3 42.Kh1 Bd4 (better is 42...Bd2!? 43.Rbb1 Be1 44.Qe1–+) 43.Bd4 Qd4 44.Rd1 (44.Rc1 Rcf8 45.Rbc4 Rf1 46.Rf1 A) 46...dc4?! 47.Rd1 Rf2 48.Qe1–+ (48.Rd4?? Re2 49.h3 c3–+); B) 46...Rf1 47.Qf1 Qc4–+ (worse is 47...dc4 48.h3 e3 49.Qe2–+)) 44...Qf6 (better is 44...Qd1! 45.Qd1 Ne3 46.Qe1 Rf1 47.Qf1 Nf1 48.h3–+) 45.Rbb1 Rcf8 46.h3 (46.g3 Qe6 47.Rbc1 Na5–+) 46...Qe5 (better is 46...Qg5 47.Kh2 Rf2 48.Qg4 Qg4 49.hg4–+) 47.Qe1 (47.Qa2 Ne3 48.Bc4 dc4 49.Rg1–+) 47...Rf1 48.Qf1 Rf1 49.Rf1 Nd2 50.Rfd1 Nb1 51.Rb1 Qe7 (51...e3 52.Rb7 d4 53.Rb6 d3 54.Rc6 e2 55.Rc8 Kg7 56.Rc1 e1Q 57.Re1 Qe1 58.Kh2 d2 59.g3 Qe2 60.Kg1 d1Q) 52.Rd1 (52.Kg1 Qc5 53.Kh2 e3–+) 52...e3 (52...e3 53.Re1 d4–+) 0–1. grahamtrue (2235) – tomy (2410), net–chess.com, 2016.

8.Be2 Bf5 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Nbd7 13.Nbd2 Ne4 (13...b5 14.Bc3=) 14.Ne4 Be4 15.Bc3 b6 16.Nd2 Bf5 17.f3 (17.Nb3 Nf6=) 17...e5 (17...bc5 18.bc5 Nc5 19.Qa1=+) 18.de5 Ne5 19.Be5 (19.e4!? d4 20.Ba1=) 19...Be5=+ 20.e4 de4 21.Ne4 Be4 22.fe4 (22.Qd8 Rd8 23.fe4 Bd4 24.Kh1 bc5 25.bc5 Re8-/+) 22...bc5 (22...Qh4!? 23.h3 Qe4-/+) 23.bc5 Bd4 24.Kh1 Bc5 25.Qc2 Qe7 26.Rc1 Be3 27.Rd1 c5 28.Bf3 (28.Rf1 Bd4-/+) 28...Bd4 29.Qc4 Qe6 30.Qd3 Rd8 31.h3 Qe5 32.Qb5 Rb8 33.Qc6 Rb2 34.Qd5 Qd5 (34...h6 35.Rf1-+) 35.ed5-/+ Kf8 36.d6 (better 36.Re1-/+) 36...Ke8?? (better 36...Rb6-+) 37.Bc6+/- Kd8?? (better 37...Kf8 38.d7 Bf6+/-) 38.Re1+- (38.Re1 Rb1 39.Rb1+-) 1-0. MihaSAH (1755) - excalibur1979 (1635), Rated Classical game, lichess.org, 2014. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.c5 0-0 6.b4 c6 7.Bb2)

8.a3 ab4 9.ab4 Ra1 10.Qa1 dc4 11.Bc4 Nd5 12.b5 cb5 13.Bb5 Qb6 14.Bc4 Nb4 15.0-0 N8c6 16.Bc3 Bd7?? (better is 16...Qd8+/–) 17.Rb1+– Rc8 18.Qb2 (better is 18.Bb4!? Nb4 19.Qa3 e6 20.Rb4 Qc7+–) 18...Na5 19.Bf1 (19.Qb4?! Nc4 20.Qb6 Nb6 21.Rb6 Rc3 22.Rb7 Bf5 23.Re7 Rc1 24.Nf1 Bd3+/–) 19...Nac6? (19...Rc3 20.Qc3 Nd5+–) 20.Bb4 Nb4 21.Qb4 Qb4 22.Rb4 Bc6 23.h4 h5 24.Bb5 Bd5 25.Bd3 e6 26.Be4 Bf8 27.Rb1 Ba2 28.Rb7 Bd6 29.g3 Rc1 30.Kg2 Kg7 31.Ng5 e5 32.de5 Be5 33.Ndf3 Bf6 34.Nf7! Bf7 35.Bd5 (35.Bd5 Kh6 36.Rf7+–) 1–0. ferminkatcho (1785) – janjanin (1880), kurnik, 2012.

8.a3 ab4 9.ab4 Ra1 10.Qa1 dc4 11.Bc4 Nd5 12.b5 cb5 13.Bb5 Na6 14.0-0 Nac7 15.Be2 b5 16.Nb3 Bb7 17.Na5 Ba8 18.Rc1 Qd6 19.Ne5 Rb8 20.Bf3 e6 21.Nd3 f5 22.Ne5 Rb6 23.Ba3 Qd8 24.Nac6 Qe8 25.Ne7 Ne7 26.Rc7 b4 27.Bb4 Rb4 28.Ba8? Ra4 29.Qb2 Be5 30.de5 Qa8 31.h3 Ra7 32.Qb3 Kf7 33.Rc5 Rb7 34.Qc3 Nd5 35.Qd4 Rb4 36.Qd2 Qa1 37.Kh2 Qe5 38.f4 Qd6 39.Qc1 Rb7 40.Rc6 Rc7 (40...Rc7 41.Rc7 Nc7–+) 0–1. Weber,Marc (2295) – Fritsch,Rolf (2220), BL2–S, 1992.

8.a3 ab4 9.ab4 Ra1 10.Qa1 Nbd7 11.Be2 Ne4 12.Ne4 de4 13.Nd2 f5 14.d5 (14.c5!?+/–) 14...Bb2= 15.Qb2 cd5 16.cd5 Nf6 17.Bc4 Kg7 (17...Nd5!? 18.0-0 e6=) 18.0-0+= Bd7 19.Nb3 b5 20.Be2 Be8 21.Nc5 Bf7 22.Bb5 Qd5 23.g3 Rb8 24.Nd7?? Rb5–+ 25.Nf6 ef6 26.Rb1 Qc4 27.h4 h5 28.Kg2 Qd5 29.Qc3 Qe5 30.Qc6 Be8 31.Qc4 Qd5 32.Qc7 Bf7 33.Qc3 Qd3 34.Qc6 Qc4 35.Qd6 Rd5 36.Qb6 Qb5 37.Qc7 Rd2 38.Qc3 Qe2 39.Rf1 Rd3 40.Qc5 Qf3 41.Kg1 Rb3 42.b5 Qe2 43.b6 Qb5 44.Qc8 Qb6 45.Rd1 Qb7 46.Qd8 Rd3! 47.Rd3 ed3 48.Qd3 Qe4 49.Qc3 Qe5 50.Qd3 g5 51.hg5 fg5 52.Qd2 g4 53.e4 fe4 54.Qe3 Bg6 0–1. ludice (1765) – uks40, kurnik, 2011.

8.a3 ab4 9.ab4 Ra1 10.Ba1 dc4=+ 11.Bc4 b5 12.Ba2 Na6 13.Bc3 Qd6 14.Qb1 Nd5=+ 15.Bd5 cd5 16.0-0 Bf5 17.Qb2 Rc8 18.Ra1 Qc6 19.Ra3 Nb8 20.Ne5 Qc7 21.Qa2 Be6 22.Nd3= Nd7 23.Nc5 Nc5 24.bc5 Rb8 25.Bb4 f5 26.f4 Bf7 27.Nf3+/– Qd7 28.Ra6 Rc8 29.Kf2 h6 30.Qa5 g5 31.fg5+– hg5 32.Ra7 Qe6 33.Ng5 Qh6 34.Nf3 f4 35.Bd2 Bh5 36.Ra8 Qc6 37.Rc8 Qc8 38.Qb5 Bf3 39.gf3 fe3 40.Be3 Qf5 41.Qe8 Kh7 42.Qe7 Qc2 43.Kg3 Qc3 44.Qh4 Kg8 45.Qg5 1–0. Socko,M (2390) – Jaracz,B (2340), Polish Extraleague, Lubniewice Poland, 2003.

8.a3 dc4 9.Bc4 ab4 (9...b5 10.Bb3=) 10.ab4 Ra1 11.Qa1 Nd5 (11...b5 12.Bb3=) 12.b5 Nb6 (12...cb5 13.Bb5 Bd7 14.Bc4+=) 13.Be2 cb5 14.Bb5 Qd5 (14...Nc6 15.Qc1+=) 15.Be2 (15.Bd3 Nc6+=) 15...Nc6 (15...Bf5 16.Ba3+=) 16.e4 Qa5 17.0-0 (17.Qa5 Na5 18.Ba3 Re8+=) 17...Qa1 18.Ba1 e6 (18...f5!?+=) 19.Rb1+/– Na8 20.Nc4 Rd8+= 21.e5 Bf8 22.Bc3 g5 23.Ng5+– Nd4 24.Bh5 b5 25.Nf7 Rd5 26.Ncd6 Bd6 27.Nd6 Bd7 28.Ne4 Kf8 29.Nf6 Nf5 30.Nd5 ed5 31.Ra1 Nb6 32.Ra6 Na4 33.Bb4 (33.Bb4 Kg7 34.Ra7+–) 1–0. Kaenel,H – Porubski, Bundesturnier, 1989. (=1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.d4 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 a5)

8.a3 Qd6 9.Qb3 (9.c5 Qc7=) 9...b6 (9...ab4 10.ab4 Ra1 11.Ba1 dc4 12.Nc4=) 10.Be2 (10.ba5 ba5 11.Bd3 Nbd7+=) 10...ab4 11.ab4 (11.0-0 Bf5=) 11...Ra1 12.Ba1 dc4 (12...Bf5 13.b5=) 13.Nc4 (< 13.Qc4 Ba6 14.Qb3 Be2 15.Ke2 Nd5=) 13...Be6 (13...Qe6 14.Ncd2=) 14.0-0 (14.Nfe5 Qc7 15.b5 Nfd7 16.Nc6 Nc6 17.bc6 Qc6–/+) 14...Bc4 (14...b5 15.Nd6 Bb3 16.Nb7=) 15.Qc4 (15.Bc4 b5 16.Bd3 Nd5=) 15...b5= 16.Qb3 Na6 17.Bc3 Nc7 18.Ra1+= Ncd5 19.Be1 Nd7 20.Ra6 N7b6 21.e4 Nf4 22.Bf1 Ra8 23.Ra8 Na8+= 24.g3 Ne6= 25.e5 Qd7 26.Qa3 Nb6 27.Qa6 Nd4=+ 28.Nd4 Qd4 29.Qb7 Be5 30.Qc6=+ Nc4 31.Qb5= Nd6 32.Qd3 Qb6 33.b5 Nf5 34.Bc3+= Bc3 35.Qc3 Nd6 36.Qc6+/– Qc6 37.bc6 Ne8 38.f4 Nc7 39.Kf2 Kf8 40.Ke3 e6 41.Kd4 Ke7 42.Kc5 h5 43.Bd3 Ne8 44.Bc4 Kd8 45.Kb6 Kc8 46.f5! Nc7 47.fg6+– fg6 48.h4 Na8 49.Kc5 Kc7 50.Be6 Nb6 51.Bf7 Na4 52.Kd4 Nb6 53.Bg6 Kc6 54.Ke5 Nd7 55.Ke6 Nc5 56.Kf5 Kd6 57.Bh5 Ke7 58.g4 Kf8 59.g5 Kg7 60.Be2 Nb3 61.Ke5 Nc5 62.Bb5 Kg6 63.Be8 Kg7 64.h5 Nd3 65.Kf5 Nc5 66.Bb5 Nb7 67.h6 Kh8 68.Kf6 Nd8 69.g6 Kg8 70.Bc4 Kh8 (70...Kf8 71.g7 Ke8 72.Bb5 Nc6 73.g8Q Kd7 74.Qd5 Kc7 75.Qc6 Kb8 76.Ba6 Ka7 77.Qb7) 1–0. Van Gool,H (2110) – Van Oers,L, 12th HZ Open, Vlissingen NED, 2008.

8.a3 Bg4 9.Qb3 Bf3 10.Nf3 Nbd7 11.Rd1 Nb6 Black prepares a4 (11...ab4 12.Qb4 dc4 13.Bc4= (13.Qb7? Rb8 14.Qa7 Rb2-+)) 12.c5+= a4 13.Qc2 Nbd7 14.b5 (14.Bd3 Kh8+/-) 14...cb5 15.Bc3 b4 (15...Ne8+=) 16.ab4 (16.Bb4!? Qc7 17.Bb5+/-) 16...Qc7 17.Bb5 Ne4 18.Ba1 a3 19.0-0 (19.Qa2+=) 19...Rfc8 (better 19...b6!?=) 20.Qa2+/- e5? (better 20...Ndf6!?+/-) 21.Qd5+- (21.Qd5 Nef6 22.Qa2+-) 1-0. Syrka (2045) - Bero1999 (1820), Rated Classical game, lichess.org, 2015. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 c6 6.c4 0-0 7.Nbd2 a5)

8.a3 Bg4 9.Be2 Nbd7 10.0-0 ab4 11.ab4 Ra1 12.Ba1 Qa8 13.c5 Ne4 (13...b5 14.cb6 Qb7 15.h3=) 14.Nb3 (better is 14.Ne4!? de4 15.Ng5 Be2 16.Qe2+/–) 14...Qa4+= 15.h3 Bf3 16.gf3 Ng5 17.h4 Ne6 18.Bc3 Qa8 19.Kg2 Bf6 20.Rh1 Ng7 21.f4 h5 22.Nd2 Nf5 23.Nf3 Bg7 24.Ng5 Nf6 25.Bd3 e6 26.Qe2 Qd8 27.b5 cb5 28.Bb5 (28.Bf5 gf5 29.Qb5 Qc7+/–) 28...Ne4 29.Bb4 Ne7 30.Qc2 Ng5 31.hg5 Nc6 32.Bc3 Qc7 33.Ra1 Rc8 34.Qb3 Nd4? (better is 34...Rb8+=) 35.Bd4+– Bd4 36.ed4 Qf4 37.Qe3 Qg4 38.Kf1 Qh4 39.Ke2 Qg4 40.Kd2 h4 41.Be2 Qf5 42.Bd3 Qg4 43.Bf1 Qg1 44.f4 Qh2 45.Be2 h3 46.Qf3 b6? 47.c6! Rc6 48.Rh1 Qg2 49.Qh3 Qh3 50.Rh3+– Rc7 51.Rc3 Ra7 52.Rb3 Rb7 53.Bb5 Kf8 54.Rh3 Kg7 55.Ra3 f6 56.Ke3 Re7 57.Ra8 fg5 58.fg5 e5 59.Re8 ed4 60.Kd4 Rc7 61.Re6 Rc1 62.Bd3 Rg1 63.Re7 Kf8 64.Re5 1–0. Meulner,Klaus (2135) – Liepold,Stefan (2180), Landesliga Nord Bayern, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 a5)

8.ba5 Qa5 9.Bd3 Na6 10.a3 Ne4 11.Qc2 (< 11.Be4 de4 12.Ng1 Nc5–/+) 11...Bf5 12.0-0 Nd2 13.Nd2 Bd3 14.Qd3 Nc5 15.Qc2 Na4 16.Rab1 b5 17.cb5 cb5 18.Rfc1 Qa6 19.Nb3 Rfc8 20.Nc5 ½–½. Herraiz Hidalgo,H (2520) – Martin Alvarez,I (2235), XXXII Open, Donostia San Sebastian ESP, 2009.

8.b5 Nbd7 9.a4 Ne4 10.Ne4 de4 11.Nd2 Nc5 (11...Nf6 12.Be2=) 12.Qc2+= Nd3 13.Bd3 ed3 14.Qd3 c5 15.0-0 e5 (15...Qc7!?+/–) 16.d5 e4 17.Qc2 f5 18.Bg7 Kg7 19.Rad1 Qd6 20.Nb1 Bd7 21.Nc3 b6 22.f3 ef3 23.gf3 Rae8 24.e4 Qf4 25.Qd2 Qh4 26.Qf2 Qh5 27.Qg3 f4 28.Qf2 Bh3 29.Rfe1 Re5 30.Kh1 Rg5 31.Rg1 Rg3 32.Rg3?? fg3–+ 33.Qg3 Rf3 34.Qc7 Rf7 35.Qg3= Qd1?? 36.Nd1+– Rf1 37.Qg1! Kf6 38.Qf1 Bf1 39.Ne3 Bd3 40.Kg2 Be4 41.Kf2 Ke5 42.Ke2 h5 43.Kd2 g5 44.Ke2 g4 45.Kf2 Bg6 46.Kg3 Kd4?? 47.d6+– Be8 48.Nd5 Kc4?? 49.Nb6+– Kb4 50.Kh4 c4 51.d7 Bd7 52.Nd7 c3 53.b6 c2 54.b7 c1Q 55.b8Q Ka4 56.Nb6 Ka3 57.Qd6 Ka2? 58.Qd5 Kb1 59.Qb5 Qb2 60.Qa5 Qh2= 61.Kg5 g3 62.Qb4 Kc1 63.Qc3 Kd1 64.Qd3?? Qd2–+ 65.Qd2 Kd2 66.Nc4 Ke2 67.Ne5 g2 0–1. ferminkatcho (1755) – majom77 (1905), kurnik, 2012.

8.b5 Nbd7 9.bc6 bc6 10.cd5 ½–½. Bagonyai,Attila (2260) – Portisch,Ferenc (2400), Zalakaros op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 c6 6.e3 0-0 7.d4 d5 8.Nbd2)

8.b5 Re8 9.Qa4 (9.Bd3 dc4 10.Nc4 cb5=) 9...cb5 10.Qb5 (10.cb5 Bf5=) 10...b6 (better 10...Nc6!?=+) 11.Be2= Ba6 12.Qb3 Nc6 13.Rc1 a4 14.Qa4 Na5 15.cd5 Be2 16.Ke2 Nd5 (16...Qd5 17.Ne5=) 17.Qb5+= e6 (17...Nb7 18.a4+=) 18.h4+– h6 19.Kf1 (19.h5 Nb7+–) 19...h5 (19...Qe7!?+=) 20.e4+– Nf4? (better 20...Nc7 21.Qb6 Nb5+–) 21.g3+– 1–0. Dalia – Magadan, internet, 2019.

8.b5 Bf5 9.a4 Nbd7 10.Be2 Ne4 11.0-0 Nd2 12.Qd2 dc4 13.Bc4 Nb6 14.Be2 c5 (14...cb5 15.Bb5 Be4 16.Ng5+=) 15.dc5 (15.Rfd1 Qd5 16.dc5 Bb2 17.Qb2 (worse 17.cb6 Qd2 18.Nd2 Ba1 19.Ra1 Rfd8=+) 17...Qc5 18.Nd4+=) 15...Qd2=+ 16.Nd2 Bb2 17.Ra2 Na4 (17...Rfd8 A) 18.Rb2?? Na4 19.Ra2 Nc3-+ (19...Nc5?! 20.Nc4-/+); B) 18.Nb1 Na4 19.Ra4=+) 18.Ra4= Rfc8 19.Nc4 (19.Nc4 Rc5 20.g4=). jhonores (2290) - KingofKings7 (2300), Rated Blitz game, lichess.org, 2020.

8.b5 Bf5 9.Be2 Ne4 10.0-0 Nd7 (10...dc4 11.Ne4 Be4 12.Bc4 cb5 13.Bb5=) 11.Rc1 Nd2 12.Qd2 Nf6 13.bc6 bc6 14.Ba3 Ne4 15.Qd1 a4 (15...Rc8 16.Ne5 f6 17.Nd3+=) 16.Ne5+= Be5 (16...Qe8 17.cd5 cd5 18.Rc7+=) 17.de5+/- dc4 (17...Qa5 18.Be7 Rfe8+/-) 18.g4 (better 18.Rc4!? Qa5 19.Be7+-) 18...Be6+= 19.f3 (19.Bc4 Ra7 20.Be6 fe6 21.f4+/-) 19...Nd2= 20.Rf2 Nb3 (better 20...Qa5!? 21.Qc2 Nb3=) 21.ab3 ab3 22.Qd8 Rfd8 (22...Rad8? 23.Bc4 Bc4 24.Rc4+-) 23.Bb2 (23.Be7 b2 24.Rb1 c3 25.Bd8 c2-+) 23...Rd2 24.Bc3 (worse 24.Bc4 Rf2 25.Kf2 Bc4 26.Rc4 Ra2 27.Rc6 Rb2 28.Kg3 Re2=+) 24...Rda2 25.Bf1 R2a4 26.e4 Kg7 27.h3 g5 28.Kg2 h5 29.Kg3 h4 30.Kg2 c5 31.Rd2 Rb8 (31...Ra2 32.Re2+=) 32.Kf2 Ra3 33.Rb2 Rd8 34.Ke3 Ra4 (34...Rb8 35.Ke2+/-) 35.Be2 Rb8 36.Rd2 Ra3 37.Bb2 Ra4 38.Ra1 Ra2 39.Bc3 Rba8? (better 39...Ra1 40.Ba1 Ra8+/-) 40.Raa2 (40.Rda2 Ra2 41.Ra2 ba2+-) 40...ba2 41.Ba1?? (better 41.Rd1+-) 41...c3= 42.Rc2 (42.Bc3? Ra3 43.Ra2 Ra2-+ (worse 43...Ba2 44.Kd2-+; 43...Rc3?! 44.Kd2 Rf3 45.Bf3 Ba2 46.Kd3-+)) 42...Ra3?? (better 42...Rb8 43.Bd3 Rb1 44.Ra2 Re1 45.Kf2 Rd1=) 43.Rc3+- Ra5 44.Kd2 Ra4 45.Bd3 Rb4 46.Bc2?? (better 46.Rc5 Rb1 47.Rc1+-) 46…Rb1-+ 0-1. Bruzon Batista,L (2640) - Mamedov,Rau (2645), Chess24 Banter Blitz Cup blitz, 2020. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5)

8.b5 Bg4 9.a4 Nbd7 10.h3 Bf5 11.Nb3 (11.g4 Be6+=) 11...e6 (11...cb5 12.ab5 a4 13.Nbd2=) 12.c5+= Re8 13.b6 Ne4 (better 13...Qe7!?=) 14.g4+/- Bg4 (14...Ndc5 A) 15.dc5 Bb2 16.gf5 Bc3 17.Nfd2 A1) 17...Ba1?! 18.Ne4 (worse 18.Qa1 Qh4 19.Rh2 ef5=+; worse 18.Na1 Nc5 19.fg6 fg6-/+) 18...ef5 19.Nd6 (worse 19.Na1 Re4 20.Bd3 Re5-/+) 19...Bc3 20.Ke2=; A2) 17...Qh4-+; B) 15.Nc5 Nc5 16.gf5 ef5 17.Rb1+=) 15.hg4+- e5? (15...Ndc5 16.Nc5 (16.dc5?! Bb2 17.Ra2 Bc3 18.Nfd2 Qf6+=) 16...Nc5 17.Rb1+-) 16.de5 (16.Rc1 ed4 17.Bd4 Bd4 18.Nfd4 Qe7+-) 16...Ne5 (16...Ndc5 17.Nc5 Nc5 18.Rb1+-) 17.Ne5 Be5 18.Be5 Re5 19.Be2 (19.Qf3 Qe7+-) 19...Qf6 20.Rh2 Rae8 (20...Re7 21.Qc2+-) 21.Nd4 (21.Qd4 Qe7+-) 21...Nc3 (21...Nc5 22.Qd2+-) 22.Qc2 (better 22.Qd3!? Ne2 23.Ke2 Re4+-) 22...Ne2 23.Qe2 (23.Ne2?! Re3 24.fe3 Qa1 25.Kd2 Qa3=) 23...Re4 24.0-0-0?? (better 24.Rd1+/-) 24...Rd4!-+ 25.Rd4 (25.Rd4 Qd4; 25.ed4 Qf4 Double attack (25...Re2 Discovered attack; 25...Re2 Pinning; 25...Re2 Deflection; 25...Re4 Decoy; 25...Re2 Remove defender; 25...Re2 Clearance)) 25...Qd4! 26.Qc2 (26.ed4 Re4 Double attack (26...Re2 Pinning; 26...Re2 Deflection; 26...Re4 Decoy)) 26...Qg4 27.Kb2 (27.Rh1 Re4 28.Kd2 Ra4-+) 27...Re4 28.f3 (28.Rh1 Rc4 29.Qd3 Qf3-+) 28…Qf3 (28...Qf3 29.Re2 Rb4 30.Ka2 Ra4 31.Kb3 Rc4-+) 0-1. karsan (1745) - pascal110463 (1825), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.c4 0-0 5.b4 d5 6.Bb2 c6 7.Nbd2 a5)

8.b5 Bg4 9.a4= dc4 10.Bc4 cb5 (10...Nbd7 11.h3 Bf5 12.Nh4+=) 11.Bb5+= Nc6 12.0-0 Rc8 13.h3 Bf5 14.Qe2 Nb4 (14...Ne8 15.e4 Be6 16.Nc4 Bc4 A) 17.Qc4? Nd4 18.Bd4 Rc4 19.Bg7 Re4–+ (19...Ng7?! 20.Bc4 Qb8 21.Ra3–+; 19...Kg7?! 20.Bc4 Nf6 21.e5–+); B) 17.Bc4+=) 15.Rac1 Ne4 16.Rc8 Qc8 17.Rc1 Qb8 18.Ne4 Be4 19.Nd2 Bf5 20.Nb3 b6 21.e4 Bc8 22.Qe3 (22.h4 Qf4+=) 22...Bb7 23.Nd2 Rc8 24.Nc4 Bc6 25.Na3 Bb5 26.Nb5 Rc1 27.Qc1 Qb7 (27...Nd3 28.Qc3 Nb2 29.Qb2=) 28.d5+= Bb2 29.Qb2 Nd3 (29...Qc8 30.Qd2+=) 30.Qd4+= White prepares d6 30...Nc5 31.e5 White plans d6 31...Qd7 32.d6 ed6 33.ed6 Qf5 (33...f5 34.Qh4+=) 34.Nc7 (34.g4 Qe6+/–) 34...Nd7 (34...f6!?+=) 35.Nd5+/– Qe5 36.Qe5 Ne5 37.Nb6 Kf8 38.Kf1 Ke8 (38...f5 39.Ke2 f4 40.Kd2+/–) 39.Ke2 Nd7?? (better is 39...f6+/–) 40.Nd7+– Kd7 41.Kd3 Kd6 42.Kc4 Kc6 43.h4 f6 (43...f5 44.g3 h6 45.f3+–) 44.g4 h6 (44...f5 45.g5 f4+–) 45.h5 gh5 (45...g5 46.f3 Kd6 47.Kb5+–) 46.gh5 f5 47.f4 Kd6 48.Kd4 Ke6 49.Kc5 Kd7 (49...Ke7 50.Kb5 Kd6 51.Ka5 Kc6+–) 50.Kd5 Ke7 51.Ke5 1–0. Richter,Michael (2490) – Krefenstein,Sergej (2080), Berlin GER, Werner Ott Open, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5)

8.b5 Bg4 9.a4= Bf5 10.Be2=.

8.b5 Bg4 9.Be2 Nbd7 10.0-0 e6 11.a4 c5 12.dc5 Nc5 13.cd5 Nd5 14.Bg7 Kg7 15.Rc1 Rc8 16.Nc4 (better 16.Rc4 Bf3 17.Qa1 f6 18.Nf3=) 16...b6?? (16...Qf6 17.Nfe5 Be2 18.Qe2 Na4 19.Nd7=) 17.h3 (better 17.Qd4 Nf6 18.Qd8 Rcd8 19.Nb6 Bf3 20.Bf3+-) 17...Bf3+= 18.Bf3 Rb8? (better 18...Qc7!?+=) 19.Nb6! Nb6 (19...Rb6 20.Qd4 Double attack (20.Rc5 Discovered attack; 20.Rc5 Remove defender); 19...Nb6 20.Qd4 Double attack (20.Rc5 Discovered attack; 20.Rc5 Remove defender); 19...Qb6 20.Qd4 Double attack) 20.Qd8 (better 20.Rc5 Qh4 21.Qc2+/-) 20...Rfd8= 21.Rc5 Na4 22.Rc7 (22.Rc2!? Rb5 23.Bc6=+) 22...Rb5-/+ 23.Bc6 Rb4 (23...Rc5 24.Rb1 Nc3=+) 24.Ra1+= Rc4 25.Ra4 Ra4? (better 25...Rd1 26.Kh2 Rdc1+=) 26.Ba4+- Rd1?? (26...Kf8+-) 27.Bd1 Kf6 (27...h6 28.Ra7+-) 28.Ra7 (better 28.Ba4 Kg7+-) 28...Ke5 (28...Kg7 29.e4+-) 29.Ra5 (better 29.Rf7 h5 30.Bc2+-) 29...Ke4 (29...Kf6 30.Bb3+-) 30.Ra4 (30.Bc2) 30...Kd3 31.Bf3 Kd2 (31...Kc3 32.Ra7 f5 33.Rh7+-) 32.Rd4 Kc3 33.Rd7 f5 34.Rf7 e5 35.e4 f4 36.Rh7 Kd4 37.Rg7 g5 38.Rg5 Kc3 39.Rg6 (39.h4 Kd4 40.h5 Kc3 41.h6 Kd3 42.h7 Kc3 43.h8Q Kb3 44.Bd1 Kc3 45.Qe5 Kd3 46.Qc5 Kd2 47.Rd5 Ke1 48.Qc3) 39...Kd2 40.Rd6 (40.h4 Kc2 41.h5 Kb2 42.h6 Kc2 43.h7 Kb3 44.h8Q Kc4 45.Qc8 Kb5 46.Qb7 Kc5 47.Rc6 Kd4 48.Qd7) 40...Kc3 41.Rd5 Kc4 If Black now would get h4 in, he might survive 42.Re5 Kd4 (42...Kb4 43.h4 Kc3 44.h5 Kd4 45.Rd5 Kc4 46.h6 Kb4 47.h7 Kb3 48.Bd1 Kc3 49.h8Q Kb4 50.Qd4 Ka3 51.Ra5) 43.Rd5 Kc4 44.h4 (44.e5 Kb3 45.e6 Kb2 46.e7 Kb1 47.e8Q Kb2 48.Qb5 Ka3 49.Rd6 Ka2 50.Ra6) 44...Kc3 (44...Kb3 45.e5 Ka3 46.e6 Kb4 47.e7 Kc4 48.e8Q Kb3 49.Qb8 Kc4 50.Qb5 Kc3 51.Rc5 Kd4 52.Qc4) 45.h5 Kc4 (45...Kc2 46.h6 Kb3 47.h7 Kb2 48.h8Q Kb3 49.Bd1 Ka3 50.Qb8 f3 51.Qb3) 46.h6 (46.h6 Kb4 47.h7 Kb3 48.h8Q Ka4 49.Bd1 Ka3 50.Qb8 f3 51.Qb3) 1-0. zumpili (2335) - Jason64 (2225), Rated Bullet game, lichess.org, 2019. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 c6 6.c4 0-0 7.Bb2 a5 8.b5)

8.b5 h6 9.a4 Be6 10.Be2 Nbd7 11.0-0 Bg4 12.Qc2 Bf5 13.Bd3 Bd3 14.Qd3 Re8 15.cd5 cd5 16.Rfc1 Rc8 17.Rc8 Qc8 18.Rc1 Qb8 19.Nb3 b6 20.Rc6 Ne4 21.Ne5 Ndc5? (better 21...Ne5!? 22.de5 Be5 23.Be5 Qe5=) 22.Nc5 Nc5? (better 22...bc5 23.Nd7 Qd8 24.Nc5 Nc5 25.Rc5 Qd6+-) 23.dc5+- Be5 24.Be5 (better 24.Rb6 Qc7 25.Rg6 fg6 26.Qg6 Kf8 27.Qh6 Kf7 28.Qh5 Ke6 29.Qe8 Bb2 30.Qg8 Kf6 31.Qh8 Ke6 32.Qb2 Qc5 33.b6+-) 24...Qe5+/- 25.cb6 Qa1 26.Qf1 Qa4?? (better 26...Qe5+-) 27.b7 Qg4 28.h3 (better 28.Qc1 Qd7 29.Rc8 Qb5 30.Re8 Qe8 31.Qc8 Qc8 32.bc8Q (32.bc8N?! e6+=; 32.bc8B?? a4-+) 32...Kg7 33.Qc3 Kg8 34.Qa5+-) 28...Qd7+= 29.Rc5 (29.Qa1!? Qb7 30.Qa5+=) 29...Qb7=+ 30.Qa1 Qb6 (30...Ra8 31.Qd4 e6 32.b6+=) 31.Rd5= e6 32.Re5 Ra8 33.Qd4 Qd4 34.ed4 a4 35.b6 Rb8 36.Rb5 a3 37.Ra5 Rb6 38.Ra3 Rd6 39.Ra4 Kg7 40.g3 Kf6 41.Kg2 Rd5 42.g4 h5 43.Kg3 Rb5 44.gh5 (44.Ra3 hg4 45.hg4 Rb4=) 44...Rh5 45.h4 Rb5 46.f3 Kf5 47.Rc4 Rd5 48.Rc5? (48.Rc7 Kf6 (worse 48...Rd4 49.Rf7 Ke5 50.f4 Kd6 51.Rg7+=) 49.Rc4 Ra5=) 48...f6 (better 48...Rc5 49.dc5 Ke5-+) 49.Rc4= g5 (49...Rb5 50.Rc8=) 50.h5+= e5 51.de5 fe5 52.Rc8 Rd7? (better 52...Kf6!?+=) 53.Rf8+- Ke6 54.Kg4 Rd3 (54...Rh7 55.Rb8+-) 55.Kg5 Rf3 1-0. muhammadaudii (1925) - CarlosDangler (2015), Rated Bullet game, lichess.org, 2020.

9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 (11...h6 12.Bb2=) 12.Be2 dc4 13.Bc4 (13.Nc4 b5 14.Na5 Be4=) 13...Nb6 14.Be2 Qd5 15.0-0 Ra8 16.Rc1 Be6 (16...Qb3 17.Nb3 Ra2 18.Kf1=+) 17.Qd5 (17.Qd1 Qd6=) 17...Bd5 18.b5 Ra2 (18...cb5 19.Bb5 Nc8 20.Bc4=) 19.Bd3 (19.bc6 Bc6 20.Bd1 Bd5=) 19...Ra3 (19...cb5 20.Bc3=+) 20.Bf1 Ne4 21.Ne4 Be4 22.Nd2 Bf5 23.bc6+/– bc6 24.Rc6 Ra1 25.Rb6 Rd1 26.Rb8 Bf8 27.Rb2 Bd3 28.g3 e6 29.Kg2 Bf1 30.Nf1 Kg7 31.Nd2 Ba3 32.Ra2 h5 33.Nf3 Be7 34.Ra7 Bf6 35.Rd7 Kf8 36.h3 e5 37.Rd5 ed4 38.Nd4 Ra1 39.Nc6 Rc1 40.Nb8 Rc2 41.g4 hg4= 42.Nd7 Kg7 43.Nf6 gh3= 44.Kh3 ½–½. Geiser,A – Falchetta,G, Cannes, 1990. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5)

9.Qb3 Ne4 10.Be2 (10.ba5 Qd7+=) 10...ab4 (10...a4 11.Qd1=) 11.0-0 (11.Qb4 Nd2 12.Nd2 b6=) 11...dc4=+ 12.Bc4 (12.Nc4 b5 13.Nce5 Be5 14.de5 Ra4–/+) 12...b5 13.Be2 ba3 14.Ra3 Ra3 15.Qa3 (15.Ba3 Re8=+) 15...Nd2 16.Nd2 e5 (16...Qd6 17.e4 Bh6 18.ef5 Qa3 19.Ba3 Bd2 20.Be7=) 17.Nf3 ed4 (17...e4 18.Nd2=+) 18.Bd4 Bg4 (18...Re8 19.Qc3 Bf8 20.Ra1=+) 19.Bg7 Kg7 20.Rd1 ½–½. wiking (2280) – Wino (1825), internet, 2010.

9.Be2 ab4 10.ab4 Na6 11.b5 cb5 12.cb5 Nb4 13.0-0 Bc2 14.Ra8 Qa8 15.Qa1 Nd3 16.Ba3 Re8 17.Ne1 Ne1 18.Re1 Qa5 19.Bb2 Ba4 (19...Ra8!?=) 20.Bc3 Qa8 21.Qb2 Nd7 22.Ra1 Nb6 23.Nb3 e5 24.Nc5 Bf8 25.Na4 (25.Qd2 Rc8 26.Na4 Na4+–) 25...Na4 26.Qb3 Nc3 27.Ra8 (27.Qc3?! Qb8 28.de5 Qe5 29.Qe5 Re5+=) 27...Ne2 28.Kf1 Ra8 29.Ke2 ed4 30.Qd5 (worse is 30.ed4 Rd8+–) 30...de3 31.fe3 (31.Ke3?! Re8 32.Kf3 b6+/–) 31...Rb8 32.b6 h5 (32...Bg7 33.Kf3+–) 33.Qd7 Bh6 34.g3 Bg5 35.Qc7 Re8 36.Qb7 Re3 37.Kf1 Rb3 (37...Bf6 38.Qc8 Kg7+–) 38.Qc8 Kg7 39.b7 1–0. Leibbrand,Udo Manfred (2135) – Seiler,Josef, Verbandsliga Nord Baden, 2000. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 a5)

9.Be2 dc4 10.ba5 Qa5 11.Bc4=.

9.Be2 Nbd7 10.0-0 Ne4 11.Ne4 Be4 12.Ng5 Bf5 13.f4 Nf6 14.g4 Be4 15.Ne4 Ne4 (worse is 15...de4 16.g5 Ne8 17.Qc2+/–) 16.c5 b6 17.Qc2 Rb8 18.Bc3 Qd7 19.Bd3? (19.cb6 Rb6 20.ba5 Rbb8=) 19...Rfc8?? (19...bc5 20.bc5 Qg4 21.Kh1 Nc3 22.Qc3–/+) 20.Rab1?? (20.Be4 de4 21.f5 ab4 22.ab4 bc5 23.bc5 Qd5+=) 20...f5 (better is 20...Qg4!? 21.Kh1 ab4 22.ab4 Nc3 23.Qc3 bc5–/+) 21.g5 (21.gf5 gf5 22.cb6 Rb6+=) 21...ab4= 22.ab4 h6 (22...Qe6 23.Be4 fe4 24.Ra1=) 23.h4 (23.gh6!? Bh6 24.Be4 fe4 25.Qg2=) 23...hg5= 24.hg5 Qb7 25.Be4 fe4 (worse is 25...de4 26.Qb3 e6 27.Qe6 Qf7 28.Qf7 Kf7 29.Ra1+/–) 26.Kf2 Qd7 27.Kg3 Rb7 28.Rh1 Rcb8 29.Rhd1 Kf7 30.Rh1 Ra7 31.Ra1 Ra1 32.Ra1 bc5 33.bc5 (33.dc5?? Rh8 34.Qg2 Bc3–+) 33...Qb7 34.Qa4 Rh8 35.Qc2 Qb5 36.Rb1 Qc4 37.Qd2 Ra8 38.Rb4 (better is 38.Kf2!?=) 38...Qf1–/+ 39.Qf2 Qd1 40.Rb2? (better is 40.f5 Rf8 41.Rb6–/+) 40...Rh8–+ 41.Re2 (41.Qg2 Rh1 42.Kf2–+) 41...Qh1 42.Re1 Qh3 0–1. Peruhin,Anatoliy – Alachihin,Vladimir, Ulyanovsk Russia, Povolje Open, 2015. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.a3 Bf5)

9.Be2 Ne4 10.0-0 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa3 Nc7 14.c5 Bg4 15.Bd3 Bf3 16.Nf3 f5 17.Qb3 Qd7 18.Ra1 Ra8 19.Ra8 Na8 20.Ne5 Be5 21.de5 e6 22.h4 (22.f3 Ng5+/–) 22...b5 23.Qa2 Nc7 24.Bd4 Qd8 25.g3 Qa8 26.Qb2 g5 (26...Qa4 27.Be2=) 27.hg5 (27.f3 Ng3 28.hg5 Qd8+=) 27...Ng5= 28.Kg2 Qe8 29.Be2 Qa8 30.Bd1 Ne8 31.g4 Ng7 32.Qe2 Qe8 33.Bc2 (33.gf5 ef5 34.Kf1 N7e6=) 33...Qf7 (33...Qg6 34.gf5 ef5 35.Kh2=) 34.Bd3 Ne4 35.f3 Ng5 36.Qf2 (36.f4 Ne4+=) 36...fg4= 37.fg4 Ne4 (37...Ne8 38.Qf4 h6 39.Qf7 Kf7 40.Bc3=) 38.Qf7 (38.Be4 Qf2 39.Kf2 de4=) 38...Kf7= 39.Be4 de4 40.Kg3 h5 (better is 40...Ne8!?+=) 41.gh5+= Nh5 42.Kg4 Kg6 43.Bc3 Kh6 44.Be1 ½–½. Belotelov,Denis (2265) – Johnsen,Sverre (2210), Budapest FS09 IM–A, 1999. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.d4 c6 7.Nbd2 a5)

9.Ne5 Nbd7 10.Bd3 (better is 10.g4!? Be6 11.g5=) 10...Ne5–/+ 11.Bf5 Nc4 (11...gf5 12.de5 Ng4 13.Qf3 Ne5 14.Be5 Be5 15.Rd1–/+) 12.Nc4 dc4 (12...gf5?! 13.Na5 Qd7 14.Nb3=) 13.Bc2 ab4 14.ab4 b5 (14...Qd6 15.Qd2–+) 15.0-0 Nd5 (15...Qd6 16.Ba3–+) 16.Qe1 (better is 16.Ra8!? Qa8 17.Qd2–/+) 16...Ra1 17.Ba1 Qd6 18.Bc3 Ra8 19.Qd2 (19.Be4 Nc3 20.Qc3 e5–+) 19...Ra3 20.Ba1 Nb4 21.Be4 Nd5 22.Bd5 (22.Qc2 f5 23.Bf3 f4–+) 22...cd5 23.Bc3 Qa6 (23...Rb3!? 24.Qc2–+) 24.Rc1 Ra2 25.Rc2?! (25.Qe1 Bf6–+) 25...Ra4 (better is 25...Rc2 26.Qc2 b4 27.Bb2–+) 26.Kf1 (26.Rc1 e6–+) 26...e6 (better is 26...b4!? 27.Rc1 Ra2 28.Qe1 bc3 29.Qc3–+) 27.Ke2 (27.Rc1 Bf8 28.Qd1 b4–+) 27...Bf8 28.Rb2 b4! (28...b4 29.Kf3 bc3 30.Qc3 Ra3–+) 0–1. Burt,David F – Rety,John (1775), Beacon Seniors op, 2006. (=1.Nf3 d5 2.b4 g6 3.Bb2 Nf6 4.e3 Bg7 5.c4 c6 6.d4 0-0 7.Nbd2 a5 8.a3 Bf5)

9.a3 cb5 10.cb5 Bg4 11.Bd3 Nbd7 (11...Qb6 12.Rc1=) 12.0-0 Nb6 13.h3 Bf3 14.Nf3 Nfd7 15.Qe2 Qc7 16.Rfc1 Qd6 17.Bc3 Rfc8 18.Bb4 Qf6 19.Qd1 e6 20.Rc8 Rc8 21.Rc1 Qd8 22.Ne1 Bf8 23.Rc8 Qc8 24.Bf8 Qf8 25.Qc1 ½–½. FeegLood (2800) – swimmerchess (2705), lichess.org, 2020. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

9.a3 Ne4 10.Bd3 (10.Ne4!? de4 11.Nd2+=) 10...Bf5= 11.Be4 de4 12.Ng5 (12.Nh4 Bd7 13.Ne4 cb5 14.cb5 Bb5=) 12...e5=+ 13.Nde4 h6 14.g4 Bc8 15.Nf3 Bg4 16.Rg1 Bh5 17.Ng3 (17.bc6 bc6 18.Ned2 ed4 19.Bd4 Bd4 20.ed4 Qf6=+) 17...Bf3-/+ 18.Qf3 ed4 19.0-0-0 cb5 20.Bd4 (20.Qb7 Na6 21.Qb5 Nc7=) 20...Qc7 (20...Bd4 21.Rd4 Qe7 22.Kb2 bc4 23.Rc4 Qe5 24.Ka2-/+) 21.Bg7 (21.c5!? Rd8 22.Kb1=+) 21...Qc4-/+ 22.Kb1 Kg7 23.Nh5 Kh7 24.Qf6 Qb3 25.Ka1 Qa3 26.Kb1 Qb4 27.Ka1 Qa3 28.Kb1 Qb3 29.Ka1 Qa3 ½-½. Demidov,M (2520) - Darini,P (2425), Titled Tuesday 4th May, 2021. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.Nbd2 c6 7.c4 a5)

9.Ba3 cb5 10.cb5 Re8 11.Be2 Nbd7 12.0-0 e5 13.Ne5 Ne5 14.de5 Nd7 15.e6 fe6 16.Rc1 Nb6 17.Nf3 e5 18.Bc5 Be6 19.Bb6 Qb6 20.Ng5 Kh8 21.Ne6 Qe6 22.Rc7 d4 23.ed4 Qa2 24.Bc4 (worse 24.Rb7 a3=) 24...Qb2 25.d5 (25.de5!? Qe5 26.Rb7+=) 25...a3= 26.Qb1 Qd4 27.b6 (27.Rd1 Qb6 28.Rf7 Rec8=) 27...e4 28.Rd1 Qc4 29.Rc4 a2 30.Qa1 Ba1 31.Ra1 Red8 32.Rc5 Rd6 33.Rb5 Kg7 34.Kf1 Kf6 35.Ke2 Ke5 36.Rb2 Kd5 37.Raa2 Ra2 38.Ra2 Rb6 39.Ra5 Kd4 40.Ra4 Kd5 (40...Ke5 41.Ra5 Ke6 42.Ke3–/+) 41.Ra5 Kc4 42.Ke3 Re6 43.Ra4 Kb3 44.Ra7 b5 (44...Re7!?–/+) 45.Rh7=+ b4 46.h4 Kc3 47.Rc7 Kb2 48.g4 b3 49.h5 gh5 50.gh5 Ka2 51.Ra7 Kb1 52.Rb7 b2 53.f3? (better 53.Kd4–+) 53...Rb6?? (better 53...ef3 54.Kf3 Rc6–+) 54.Ke4 (better 54.Rb6 ef3 55.h6 f2 56.Kf2 Kc2+–) 54...Rb5 (54...Rb7 55.Ke5 Rb5 56.Kd6 Kc1 57.Ke7 b1Q 58.Kd7 Qf5 59.Kd6 Rd5 60.Kc7 Qd7 61.Kb6 Rb5 62.Ka6 Qb7) 55.f4 (better 55.Rb5 Ka2 56.h6+–) 55…Kc2 (55...Rb7 56.Kf3 Kc2 57.Ke4 b1Q 58.Kf5 Qb5 59.Ke6 Qc6 60.Kf5 Qd5 61.Kf6 Rf7 62.Kg6 Qf5 63.Kh6 Rh7) ½–½. Mikhalchishin,Adrian (2540) – Isaev,Jamshed (2440), Bled ol, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 c6 7.Nbd2 a5 8.b5 a4)

9.Ba3 cb5 10.cb5 Re8 11.Be2 Nbd7 12.0-0 e5 13.Ne5 Ne5 14.de5 Re5 15.Bb2 Re8 (15...Re7 16.Rc1=) 16.Nf3 (16.Rc1 Bf5=) 16...Be6 (16...Qd6 17.Rc1=) 17.Bd4 Ne4 (17...Qa5 18.Rc1+=) 18.Rc1 Qa5 (18...Bd4 19.Nd4 Qa5 20.Bd3=) 19.Qe1 (19.Bg7 Kg7 20.Qd4 Kg8=) 19...Qe1= 20.Rfe1 (20.Rce1? Bd4 21.Nd4 Nd2–+) 20...Rec8 (20...Rac8 21.Bd3=) 21.Bg7 (21.Ne5 Nd6=) 21...Kg7+= 22.a3 (22.Bd3 Rc3 23.Rc3 Nc3=) 22...Rc3 (22...Bg4 23.Kf1+=) 23.Rc3= Nc3 24.Nd4 (24.Bd3 Rc8+=) 24...Ne2 25.Re2 Rc8 26.Rc2 (26.h4!?+=) 26...Rc2–/+ 27.Nc2 Kf6 28.Nd4 Bd7 29.Kf1 Ke5 30.Ke2 Kd6 31.Kd3 Kc5 32.Kc3 (32.e4 Kd6–/+) 32...Bb5 33.Nc2 (33.g4 g5–/+) 33...Bf1 (33...Bd7 34.Nd4–/+) 34.g3 (34.g4 h6–/+) 34...Bh3 (34...f6 35.Ne1–/+) 35.Nb4 (35.Nd4 f6–/+) 35...Bf5 36.Na2 g5 37.Nb4 (37.Nc1 f6–/+) 37...h5 (37...g4 38.Na2–/+) 38.Na2 h4 (38...Bg6 39.Nc1–/+) 39.Nb4 (39.gh4 gh4 40.Nc1 Be4–/+) 39...h3 (39...hg3 40.hg3 g4 41.Na2–/+) 40.Na2 (40.f3 Bb1–/+) 40...g4 (better is 40...Bb1 41.Nc1 g4–+) 41.Nb4? (better is 41.Nc1–+) 41...Bb1 42.Kb2 Be4 43.Kc3 Bf5 44.Na2 d4 45.ed4 Kd5 46.Nc1 (46.Kd2 Ke4 47.Ke2 Kd4 48.Kd2–+) 46...Ke4 47.Ne2 (47.f4 gf3 48.Kd2 Kd4 49.g4 Bg4 50.Nd3–+) 47...Kf3 48.Nf4 (48.Kd2 Kg2 49.Ke1 Kh2–+) 48...Kf2 49.Kd2 Kg1 50.Ke1 Kh2 51.Kf2 b5 52.Ne2 (52.Nd5 Bc8 53.Ne3–+) 52...b4! 53.ab4 a3 54.Nc1 Bd7 55.d5 f5 56.d6 f4! 57.Ne2 (57.gf4 g3 Passed pawn) 57...a2 0–1. Goltseva,Ekaterina – Zhu,Jiner, World Youth Chess Championship, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

9.Ba3 cb5 10.cb5 Bg4 11.Be2 Nbd7 12.0-0 Re8 13.Rc1 Bf3 14.Nf3 Bf8 15.Qc2 Qb8 16.Qb2 e6 17.Rc2 Rc8 18.Rc8 Qc8 19.Rc1 Qd8 20.Bf8 Kf8 21.h3 Nb6 22.Qb4 Qe7 (22...Kg7 23.Ne5=) 23.Qe7 Ke7 24.Bd3 Ne8 25.Nd2 (25.Rc5 Nd6=) 25...Nd6= 26.Kf1 Ra5 27.Ke1 Kd7 (27...Nb5? 28.Rc5+-) 28.f3 Na8 (28...Nb5? 29.Rc5+-) 29.Nb1 Nc7 b5 draws heavy fire 30.Na3 Na8 (30...b6 31.Rb1=) 31.e4+= f6 32.Kd2 Nb6 33.Kc3 Ra8 34.Kd2 g5 35.Ke3 h6 36.Rc5 Re8 37.e5 fe5 38.de5 Ndc8 (38...Nf7 39.Kd4=) 39.Nc2 Ne7 (39...Kd8 40.Bg6 Rh8 41.Nd4 Nc4 42.Rc4 dc4 43.Ne6 Ke7 44.Nc5=) 40.Nd4 (better 40.a3+=) 40...Rf8?? (better 40...Rg8=) 41.Rc7!+- Kc7 42.Ne6 Kd7 43.Nf8 Ke8 44.Ne6 a3 45.Kd4 Kf7 (45...Na4+-) 46.Nd8 (46.Nd8 Ke8 47.Nb7+-) 1-0. Abdulla,AlR (2455) - Golizadeh,A (2470), Asian Cities Teams, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

9.Ba3 cb5 10.cb5 Bg4 11.Be2 Nbd7 12.Rc1 Re8 13.Qc2 Qa5 14.0-0 e5 15.h3 ed4 16.Nd4 (16.hg4!? de3 17.fe3 Re3 18.Bd3=) 16...Be2+= 17.Ne2 Qb5 18.Nf3 (18.Nd4 Qa6+=) 18...Nb6–/+ 19.Nc3 Qa5 20.Qb1 Rac8 21.Bb4 Qa6 22.Rfd1 Ne4 23.Ne4 Rc1 (worse is 23...Re4 24.Rc8 Nc8 25.Rd5+=) 24.Rc1 (24.Qc1 de4 (worse is 24...Re4 25.Rd5 Re8 26.Rd1=) 25.Qc7 h6–/+ (25...ef3 26.Rd8 Qb5 27.Qe7+–)) 24...de4–/+ 25.Ng5 (25.Nd2 f5–/+) 25...Qd3 (25...f5 26.Rd1–+) 26.Qd3 (26.Be1 Qb1 27.Rb1 Nd7 28.Rb7 Nc5+=) 26...ed3–/+ 27.Rd1 Bf6 (27...h6!? 28.Nf3 Nd5+=) 28.Nf3= Rd8 29.Ba5 Rd6 30.Bb4 Rd7 31.Ne1 d2 32.Rd2 Rd2 33.Bd2 Nd5 34.Kf1 Kf8 35.Nc2 Ke7 36.Ke2 Bc3 37.e4 Bd2 38.Kd2 Nf4 39.Ne1 Kd6 40.Ke3 Ne6 41.Nd3 b5 42.f4 f6 43.h4 f5 44.h5 gh5 (44...fe4 45.Ke4 Nc5 46.Kd4 Nd3 47.Kd3 gh5 48.Kd4+=) 45.ef5+= Ng7 46.Ke4 Ne8 47.Kd4 (47.g3 Nf6 48.Kd4 Ng4+/–) 47...Ng7 48.f6 Nf5 49.Kc3 h4 50.Kb4 Ne3 51.Kb5 (51.f5 Ng2 52.Kb5 Ne3=) 51...a3 (better is 51...Ke6 52.f5 Kf6 53.Ka4 Ng2+=) 52.Ne1?? (better is 52.f5+=) 52...Ke6–/+ 53.Ka4 Ng2! (53...Ng2 54.Nd3 Kf6 55.Ka3 Kf5–/+) 0–1. Kostenko,Petr – Ovetchkin,Roman, Pavlodar–Open, 2012. (=1.c4 c6 2.Nf3 d5 3.e3 g6 4.d4 Nf6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 a4)

9.Ba3 Nbd7 10.Rc1 Nb6 (10...cb5 11.cb5 Re8 12.Be2+=) 11.bc6 bc6 12.Ne5 Bb7 (12...Bd7 13.Rb1+=) 13.Rb1+/– Qc7 (13...dc4 14.Ndc4 Nc4 15.Bc4+/–) 14.Be7+= Qe7 15.Rb6 c5 16.Ndf3 (16.dc5!? Rab8 17.c6+=) 16...cd4= 17.Nd4 (17.ed4 dc4 18.Bc4 Rab8=) 17...dc4+= 18.Qb1 (18.Nc4 Nd5 19.Rb2 Rfd8+=) 18...Qe5 (18...Be4 19.Nec6 Qe8 20.Qb5–/+) 19.Rb7+= Qa5 (19...Rfc8 20.Be2+=) 20.Qb4 Qb4 (20...Rfc8 21.Qa5 (21.Bc4? Rc4 22.Qa5 Ra5 23.Rb8 Bf8–+) 21...Ra5 22.g3+=) 21.Rb4 Rfc8 (21...c3 22.Bb5+=) 22.Be2 (22.Rc4 Rc4 23.Bc4 Rc8+=) 22...Bf8 (22...Rab8 23.Rb8 Rb8 24.0-0+=) 23.Rb1 (23.Rc4 Rc4 24.Bc4 Rc8+=) 23...Ne4 (23...Rab8 24.Rb8 Rb8 25.0-0+=) 24.Bf3 Re8 (24...Nc3 25.Rc1 Na2 26.Ra1+=) 25.Be4= Re4 26.Ke2 (26.Kd2 Bd6=) 26...Rc8 27.Rhc1 Bg7 (27...f5 28.Nb5=) 28.Nb5 (28.Rb4!? Bd4 29.Rbc4+/–) 28...Re6= 29.Na7 Rc7 (29...Rc5 30.Rb8 Bf8 31.Nb5+=) 30.Rb8+= Bf8 31.Nb5 Rc5 32.Nd4 (32.Rc3 Rec6+=) 32...Ra6 33.Rc2 (33.Rb4 c3 34.Rb5 Rb5 35.Nb5 Bg7+/–) 33...Kg7 (33...h5+=) 34.Rb5 (34.Rb4!?+=) 34...Rc7 (34...Rb5 35.Nb5 Rc6 36.e4=) 35.Nf3 (35.Rc3 h6=) 35...a3 (35...Bd6 36.Rd5=) 36.h3 Be7 (36...Bd6 37.Nd2 Rac6 38.Ra5=) 37.Nd2+= Rac6 38.Ne4 (38.Ra5 c3 39.Nf3 Rb6+=) 38...f5 (38...h6 39.Rc3=) 39.Nc3 Rc5 40.Rb8 Ra5 (better is 40...Ra7!?=) 41.Nb5+/– Rc5 42.Nd4 Kf7 43.Rb4 c3 (43...Ra7 44.Rbc4 Rc4 45.Rc4+/–) 44.Rb3 (44.Rb7 Rc8+/–) 44...f4 (44...Ra7 45.Kd3+/–) 45.Rcc3 fe3 (45...Rc3 46.Rc3 fe3 47.fe3+/–) 46.fe3 Rc3 47.Rc3 Ra7 48.Kd3 Rb7 (48...Rd7 49.Ke4+/–) 49.Nb3 (49.Nc6!? Rd7 50.Ke4 Bd6+–) 49...Rd7 (49...Bf6 50.Rc2+/–) 50.Ke2 (50.Ke4 Rb7+/–) 50...Ke6 (50...h6 51.Rc8+/–) 51.Rc4 (51.Nd4 Kf7 52.Rb3 h6+/–) 51...Ke5 (51...Kd5 52.Kd3+/–) 52.Nc1 (52.Na5 Kf5+/–) 52...Rb7 (52...Kd5 53.Rd4 Ke6 54.Rd7 Kd7 55.Nd3+/–) 53.Nd3 Kd5 (53...Ke6 54.e4+/–) 54.Rd4 (54.Ra4 Kc6 55.Ra6 Kd5 56.Ra5 Kc4+/–) 54...Ke6 55.Rc4 Kd5 56.Rc2 (56.Ra4 Kc6 57.Kf3 Kb5+/–) 56...Rb1 57.Nf4 Ke4 (57...Ke5 58.Rd2+/–) 58.Rc4 Ke5 59.Nd3 Kd5 60.Rc1 (60.Rd4 Ke6 61.Nf4 Kf7+/–) 60...Rb7 (60...Rc1 61.Nc1 Kc4 62.Kd2+/–) 61.Nf4 (61.Kf3 Ke6+/–) 61...Ke4 62.Rc4 Ke5 63.Kf3 Rb1 (63...g5 64.Nd3 Kd5 65.Ra4+/–) 64.Re4 (64.Rc7 Rf1 65.Ke2 Bd6 66.Rh7 Ra1 67.Ng6 Kf6+/–) 64...Kd6 65.Ra4 Kc6 66.Rc4 (66.Ra7 Bd6 67.Rh7 Rf1 68.Ke4 Rf2+/–) 66...Kb7 (66...Kd6 67.Rd4 Kc6 68.Nd3+/–) 67.Nd3 (67.Ne6 Bd6 68.Nd8 Kb8+/–) 67...Rf1 (67...Kb6 68.Rc3+/–) 68.Ke4 Rg1 (68...h6 69.Ke5+/–) 69.Rc2 Rd1 (69...Rb1 70.g4+/–) 70.Kd4 (70.Ne5 Bd6+/–) 70...Bf6 71.Kc4 Kc6 72.Rf2 Be7 (72...Ba1 73.Rf7 Rg1 74.g4+– (worse is 74.Rh7 Rg2 75.Nb4 Kd6+/–)) 73.e4 (73.Rf7 Kd6+–) 73...Kd6+/– 74.Re2 Ke6 (74...g5 75.e5 Ke6 76.Rc2+/–) 75.e5 g5 76.Ne1 (76.Kd4 h5+/–) 76...h5 (76...Rc1 77.Kd4+/–) 77.Nc2 Rc1 78.Kd4 g4 (78...Rb1 79.Ke4+/–) 79.hg4 hg4 80.Ke4 Bc5 (80...Rb1!?+/–) 81.Kf4+– Rb1 82.Kg4 Rb2 83.Kf3 Rb1 (83...Ke7 84.Na3 Re2 85.Ke2 Ba3 86.Ke3+–) 84.Ne1 Rd1 85.g3 Rd5 (85...Bd4 86.Ng2 Be5+–) 86.Nd3?? (better is 86.Ng2 Rd3 87.Kg4+–) 86...Rd3–+ 87.Kg4 1–0. Mitrabha,Guha (2320) – Riess,Alexander (2350), World Youth Open U16, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

9.Ba3 Be6 10.Rb1 dc4 11.Bc4 Bc4 12.Nc4 Nd5 13.Qd2 Qc7 14.0-0 Rd8 15.b6 Qd7 16.e4 Nf6 17.Rfe1 Nh5 18.Rbd1 h6 19.e5 Qe6 20.Qb4 Nd7 21.Nfd2 Re8 22.g3 Nf8 23.Ne4 Nh7 24.Nc5 Qd5 25.Ne3 Qf3+/– 26.Rd3 Ng5 27.Nd1 Qd5 28.Nc3 Nh3 29.Kf1 Qh1 30.Ke2 Qh2 31.Nd1 Ng1 32.Kd2 Qg2 33.Kc1 Nh3 34.Re2 Ng5 35.Nb7 Qf1 36.Red2 Ne4+= 37.Nc5 Nd2 38.Rd2 Qb5 39.Qb5+/– cb5 40.Rb2 f6 41.b7 Rab8 42.e6 f5 43.Rb5 Bd4 44.Nd7 Ba7 45.Bb2 Ng7 46.Bg7 Kg7 47.Kd2 Red8 48.Ne3 Rd7 49.ed7 Rd8 50.Kc3 Kf6 51.Nc4 Bb8? 52.Nb6 e6 53.Ra5 Ke7 54.Kc4 Kd6 55.Kb5 g5 56.Ra4 h5 57.Rc4 Ke7 58.a4 f4 59.a5 fg3 60.fg3 Bg3 61.a6 Bb8 62.Kc6 h4 63.Nc8 Kf6 64.a7 Ba7 65.Na7 1–0. Ozturk,Ku (2260) – Van Weersel,A (2195), 11th EICC Women, Rijeka CRO, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.Nbd2 a5 7.b5 c6 8.e3 a4)

9.Ba3 Bg4 10.Rb1 Qd7 11.Be2 Bf5 12.Ne5 Qe6 13.bc6 Bb1 14.cb7 Ra6+–.

9.Ba3 Bg4 10.Rc1 cb5 11.cb5 Re8 12.Be2 Nbd7 13.0-0 (13.h3 Bf5+=) 13...Bf8 (13...Qb6 14.h3 Be6 15.Ng5=) 14.Qc2 (14.h3 Bf3 15.Nf3 Ne4+=) 14...e6 (14...b6 15.Bd3+=) 15.Bf8 Rf8 16.h3 (16.Rfe1 Qb8+=) 16...Bf3 17.Nf3 Qb8 18.Qb2 Qd6 (18...Ne4 19.Rc2+=) 19.Rc2 (19.Qc3 Kg7+=) 19...Rfc8 20.Rfc1 Rc2 (20...Nb6 21.Bd3+=) 21.Qc2 Qa3 22.Nd2 (22.Bd3 Nb6 23.Qb1 Rc8 24.Rc8 Nc8+=) 22...Nb6 23.Nb1 Qb4 24.Qc3 (24.a3 Qf8+=) 24...Qc3 25.Rc3 Ne8 (25...Ne4 26.Rc7 Rc8 27.Rc8 Nc8 28.f3=) 26.Kf1 (26.Rc5 Nd6+=) 26...Kf8 27.Ke1 (27.Nd2 Nd6+=) 27...Nd6 28.Na3 (28.Rc7 Ke8=) 28...Ke8 (28...Rc8 29.Rc5=) 29.f3 (29.g4 h6=) 29...h5 (29...Rc8 30.Rc8 Nbc8 31.Nb1=) 30.Kd2 (30.g3 Rc8 31.Rc8 Nbc8=) 30...h4 31.Bd3 Kd8 (31...Rc8 32.Rc8 Ndc8 33.Kc3=) 32.Rc2 (32.e4 Rc8=) 32...Nf5 (32...Rc8 33.Rc8 Kc8 34.e4=) 33.Nb1 (33.Rc1 Rc8 34.Rc8 Kc8 35.Bf5 ef5=) 33...Kd7 34.Nc3 (34.Bf5 gf5 35.Kd3 f6=) 34...Rc8 35.Nd1 (35.a3 Nd6=) 35...Ra8 (35...Rc2 36.Kc2 Kc7 37.Kc3=) 36.Kc3 (36.a3 Nd6 37.Nb2 Re8+=) 36...a3 37.Kb3 Ra5 38.Re2 Ra8 (38...Nd6 39.Nc3=) 39.Nc3+= Nd6 40.e4 Ra7 (40...Ndc4!?+=) 41.ed5+/– ed5 42.Re5 (42.Kb4 f5+/–) 42...f6 43.Re2 (43.Nd5 fe5 44.Nb6 Ke6 45.d5 Ke7 46.Bg6 Kd8+=) 43...g5 (43...f5 44.Kb4+=) 44.f4 gf4 45.Rf2 Ra8 46.Rf4 Rg8 47.Rh4 (47.Bf1 Ke6 48.Rh4 Nf5+/–) 47...Rg2 48.Rh7 (48.Ka3? Rg3 49.Rh7 Ke6–+) 48...Ke6 49.Ne2 (49.Ka3 Rg3 50.Be2 Rc3 51.Kb4 Rc2 52.Bg4 f5 53.Rh6 Ke7 54.Rh7 Kd8 55.Rh8 Kc7 56.Rh7 Nd7–+) 49...Rf2 50.Ka3 Nbc4 51.Kb4 Nb2 52.Kc3 (52.Nc1 b6 53.Be2 Rf4+/–) 52...Nd3+= 53.Kd3 Rf3 (53...Nc4 54.Nc1=) 54.Kc2 (54.Kd2 Ne4 55.Ke1 b6+=) 54...Nb5 (54...Nc4!?=) 55.Rb7+/– Na3 56.Kd1 (56.Kd2!?+/–) 56...Kf5 (56...Rf1 57.Kd2 Nc4 58.Kc3 Rf3 59.Kb4=) 57.Rb3 (57.Rh7=) 57...Rf1+/– 58.Kd2 Nc4 59.Kc3 Rf2 60.Kd3 (60.Ng3 Kg5=) 60...Rf3 (60...Rh2 61.Rb8+=) 61.Kc2= Rf2 62.Kd3 (62.Kd1 Rf1 63.Kc2 Rf2=) 62...Rf3 63.Kc2 ½–½. Westerberg,Jonathan (2485) – Von Bahr,Oskar (2430), SS Manhem GM, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 a5 8.b5 a4)

9.Ba3 Bg4 10.Rb1 Nbd7 11.bc6 bc6 12.Be2 Re8 13.0-0 Qa5 14.Rb7 Qa6 15.Rb2 Qa7 16.h3 Bf3 17.Nf3 (worse is 17.gf3 e5 18.de5 Ne5–/+) 17...e6 18.Qc2 dc4 19.Rfb1 Bf8 20.Bf8 Rf8 21.Qc4 Qc7 22.Ne1 Rfc8 23.Nd3 Ra7 24.Bf3 Nd5 25.h4 h6 26.Qc1 Ne7 27.Rc2 Qd6 28.Rc4 h5 29.e4 e5 30.Qc3 ed4 31.Rd4 Qc7 32.Nc5 (32.Bd1!?+/–) 32...Qe5= 33.Rc4 Qc3 34.Rc3 Nc5 35.Rc5 Rd8 36.Rc3 Rd2 37.a3 Ra5 38.Rb7 Kf8 39.Rc7 Ke8 40.Rb7 Rb5 41.Ra7 Rb1 42.Kh2 Rb3 43.Rc5 Ra3 44.Re5 Rd7 45.Ra8 Rd8 46.Ra7 Rd7 ½–½. Ehlvest,Jaan (2570) – Holt,Conrad (2530), Dallas USA, UT GM Nov, 2013. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.b4 Bg7 6.Bb2 0-0 7.e3 a5 8.b5 a4)

9.Ba3 Bg4 10.bc6 Nc6 11.Be2 dc4 12.Bc4 Qa5 13.Rb1 Qc3 14.Qc1 Qc1 15.Rc1 Bf3 16.gf3 Rfc8 17.Bb5 Nd5 18.Bc6 Rc6 19.Rc6 bc6 20.Nc4 e6 21.Kd2 Nc7 22.Rc1 Nb5 23.Bc5 Rd8 24.f4 Ra8 25.Ne5 Be5 26.fe5 (worse is 26.de5 Rd8 27.Ke2 a3=) 26...Ra6 27.f4 Kg7 28.e4 f5 29.ef6! Kf6 30.h4 Ra8 31.Kd3 Kg7 32.Bb6 Rc8 33.d5! ed5 (33...cd5 34.Rc5 Double attack (34.Rc8 Pinning; 34.Rc8 Deflection; 34.Rc5 Decoy); 33...ed5 34.ed5 Combination) 34.ed5 Rf8 35.dc6 Rf4? (35...Rc8+–) 36.c7 Nd6 (36...Nc7 37.Rc7 (37.Bc7?! Rh4 38.Bb6 Kf7+/–) 37...Kg8 38.Rc4 Rf3 39.Be3+–) 37.Bd4 Kf7 (37...Rd4 38.Kd4 Nc8+–) 38.Be5 (38.Be5 Rf6 39.Rc6 Rf3 40.Ke2+–) 1–0. Dergilev,Igor (2265) – Akselrod,Vladislav (2425), Izmailov Memorial op, 2006. (=1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.c4 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 a4)

9.Ba3 Bg4 10.Be2 Nbd7 11.0-0 cb5 12.c5 Ne4 13.Ne4 (13.Bb5? Nc3 14.Bd7 Nd1 (14...Qd7?! 15.Qc2 Ne2 16.Kh1=; 14...Bd7?! 15.Qc2 Ne2 16.Kh1+=) 15.Bg4 Nc3–+) 13...de4 14.Nd2 Be2 15.Qe2 Nf6 16.Qb5 e5 17.c6 bc6 18.Qe5 Re8 19.Qd6 Qc8 20.Rfc1 Re6 21.Qc5 Qd8 22.Rab1 Ng4 23.h3 Ne5 24.Qb6 Qd5 25.Qb7 Rae8 26.Rc2 (worse is 26.de5 Qd2 27.Bb2 a3 28.Ba3 Be5+=) 26...Nd3 27.Nc4 g5 28.Qc7 h5 (28...Qd8 29.Rb7 Qc7 30.Rc7+/–) 29.Nd6 R8e7 30.Qc6 Qc6 31.Rc6 Rd7 32.Rb5 Kh7 (better is 32...g4+–) 33.Rg5 Kh6 34.h4 Rf6 1–0. Lenic,L (2610) – Shivananda,B (2370), 9th Parsvnath Open, 2011. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 a5 8.b5 a4)

9.Rc1 cb5 10.cb5 Bf5 (10...Qd6 11.Bd3+=) 11.Be2 (11.a3 Qb6=) 11...Nbd7 (11...Qd6 12.a3=) 12.0-0 Ne4 13.Ba3 Re8 (13...Nd2 14.Qd2 Re8 15.Nh4+=) 14.Ne4 Be4 15.Ng5 Nf6 (15...Bf5 16.Bb4+=) 16.Ne4 Ne4 17.Bd3 (17.Qd3 Nd6+=) 17...Qd7 (17...e5 18.f3 Nd6 19.de5 Be5 20.Rc5+=) 18.Qe2 (18.Bb4 f5+=) 18...Rec8 (18...Rac8 19.b6 Qe6 20.Qb2+=) 19.Qb2 (19.b6 h6+=) 19...e6 20.h3 (20.Rc8 Rc8 21.Bb4 Nd6+=) 20...Nd6 (20...h6 21.b6=) 21.Bd6 (21.Rc8!? Rc8 22.Qb4+=) ½–½. Cvitan,Ognjen – Jansa,Vlastimil, Zenica, 1986.

9.Rc1 dc4 10.Bc4 cb5 11.Bb5 Qb6 12.Qe2 Bd7 13.Bd7 Qb2 14.Rb1 Qa2 15.Bb5 Qe6 16.0-0 Nc6 17.e4 a3 18.d5 Nd5 19.ed5 Qd5 (19...Qe2 20.Be2 a2 21.dc6 ab1Q 22.Rb1 (worse 22.Nb1 bc6 23.Nbd2 Rfd8–/+) 22...bc6 23.Rb7=) 20.Bc4 Qd7 (20...Qa5 21.Rb5 Qa6 22.Rg5=) 21.Ba2 e6 22.Rb3 Rfe8 23.Nc4 Qe7 24.Rd1 Nb4 25.Rdb1 (25.Nd6 Na2 26.Qa2 Red8–/+) 25...Nd5 26.Rb7 (26.Nce5 Ra7=) 26...Nc3 27.Qc2 Qc5 28.Ne3 Rec8 29.Re1 Rab8 30.Rb3 Rb3 31.Qb3 (31.Bb3 Qb6=) 31...Na2 32.Qa2 Qc3 (32...Rb8 33.Rd1=) 33.Rb1= Bh6 34.Nf1 Qc2 (34...Bc1 35.Rb3 Qc2 36.Ra3 Ba3 37.Qa3=) 35.Ra1 Bf8 36.Qc2 Rc2 37.Ne3 Rb2 38.Nc4 Rc2 39.Ne3 (worse 39.Na3 Ba3 40.Ne1 Rc3–/+) ½–½. Pierre – Chessman, internet, 2019.

9.Rc1 dc4 10.Bc4 cb5 11.Bb5 Qb6 12.Qe2 Bd7 13.Bd7 (better is 13.Rc5!?=) 13...Qb2–/+ (13...Nbd7?! 14.Ba3=) 14.Rb1 Qa2 15.Bb5 Qe6 16.Bc4 Qd7 17.Ne5 Qc7 18.0-0 Nc6 19.Nf7 (19.Rfc1!?=) 19...Rf7–/+ 20.Nf3 Nd8 21.Ng5 Ra5 (21...e6 22.Ne6 Ne6 23.Be6+=) 22.Nf7= Nf7 23.Qa2 e5 24.de5 Re5 25.Bf7 Qf7 26.Qf7 Kf7 27.Rb7 Kg8 28.Ra7 Bf8 29.Ra4 Kf7 30.h3 g5 31.g4 Kg6 32.Ra6 Be7 33.Rfa1 Bd8 34.Kg2 h5 35.Kf3 hg4 36.hg4 Rd5 37.Rc6 Kf7 38.Ra7 Be7 39.Rcc7 Re5 40.Rcb7 Kf8 41.Ra4 Rd5 42.Rba7 Rd2 43.R7a5 Ng8 44.Rf5 Kg7 45.Ra7 Kg6 46.Ra6 Kg7 47.Re6 Rd7 48.Ra5 Bf6 49.Ke2 Bd8 50.Raa6 Rb7 51.Rad6 Be7 52.Rb6 Ra7 53.Ra6 Rb7 54.f4 Nf6 55.Kf3 gf4 56.g5 Nd5 57.ef4 Kf7 58.Re5 Rd7 59.Kg4 Nb4 60.Rh6 Bf8 61.Rf6 (61.g6 Kg8 62.Re8 Nd5+–) 61...Kg7 62.Re8 Be7 63.Rf5 (63.Rh6 Nd5+–) 63...Bd6 (63...Nd3 64.Rb5+/–) 64.Re6 Bc7 65.Rb5 Nd3 66.f5 Kf7 (better is 66...Rd4 67.Kf3 Rd7+–) 67.g6 Kg7 68.Kg5 Bf4 69.Kh5 Bc7 (69...Kf8+–) 70.f6 Kf8 71.g7 Kf7 (71...Rg7 72.fg7 Kg7 73.Re7 Kf6 74.Rc7 Ke6+–) 72.Re7! (72.Re7 Re7 73.fe7 Nf4 74.Kg4 Ke7 75.g8Q+–) 1–0. Ivanchuk,V (2750) – Bu Xiangzhi (2695), Trophee CCAS KO, Cap d'Agde FRA, 2010. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 a4)

9.Rc1 dc4 10.bc6 b5–/+ 11.e4 (11.Ne5 Nd5 12.Ndc4 bc4 13.Bc4 a3–+) 11...Nc6–+ 12.d5 Nb4 13.a3 Na6 14.Be2 Nc5 15.Qc2 Bg4 16.0-0 Rc8 (16...Bf3 17.Bf3 Nd3 18.Bc3 Nc1 19.Rc1–+) 17.Bc3–/+ Nb3 18.Rcd1 (18.Rce1 Nh5 19.Bg7 Ng7–+) 18...Nh5–+ 19.Bg7 Kg7 20.Qc3 Kg8 21.Rfe1 (21.Nd4 Be2 22.Ne2 Qd6–+) 21...Nf4 (21...Qd6 22.h3 Bf3 23.Bf3–+) 22.Bf1 (22.h3 Bf3 23.Nf3 Qd6–+) 22...Qa5 (better is 22...f5!?–+) 23.Qa5–/+ Na5 24.h3 Bf3 25.Nf3 Nb3 26.g3 Nh5 27.Nd4 Nd4 (27...Rc5 28.Bg2–/+) 28.Rd4 Nf6 (28...Rc5 29.Rc1–/+) 29.Rb1 (29.e5 Nd7–/+) 29...Rc5 30.f4 Rd8 31.Kf2 e6 32.d6 (32.Bg2 ed5 33.ed5 Kf8–/+) 32...e5 (better is 32...Rd6! 33.Ke3 Rdc6–+) 33.fe5–/+ Re5 34.Ke3 (34.Kf3 Ne8 35.Rbd1 Rc5–/+) 34...Rde8 (34...Ne8!?–/+) 35.Bg2+= Nd7 36.Kd2 f5 37.Rd5 fe4 (37...Rd5 38.ed5 Rb8 39.Re1+=) 38.Rbb5= R5e6 39.Rd4 Exerts pressure on the isolated pawn 39...Nf6 40.Ke3 The pressure on the isolated pawn grows 40...Rd8 41.Bf1 Red6 (41...Rdd6? 42.Bc4 Rc6 43.Be6 Re6 44.Rb7+–) 42.Bc4 Kg7 43.Rd6 Rd6 44.Ra5 Rd1 45.Ra4 Rg1 46.Kf2 (46.g4 Rg3 47.Kf4 Rf3 48.Ke5 e3=) 46...Rc1= 47.Ra7 Kh6 48.Be6 (48.Be2 Nd5=) 48...Rc2+= 49.Ke3 Rc3 50.Kf2 Nh5 51.Bg8 (51.Rf7 e3 52.Kf3 e2 53.Ke2 Ng3 54.Ke1 Ra3+=) 51...Ng3 52.h4 (52.Rh7!? Kg5 53.Bd5+=) 52...Kh5–/+ 53.Rh7 Kg4 54.Be6 Kf4 Black intends e3 55.Rf7 Ke5 56.Bd7 (56.Bg4 Ra3 57.Rg7 Nf5 58.Rg6 Ra2 (58...Nh4?! 59.Rh6=) 59.Ke1 Nh4–/+) 56...Ra3 57.Be8? (better is 57.Rg7 Kf4 58.Rf7 (58.Rg6 e3 59.Kg2 Ra2 60.Kg1 Ra1 61.Kg2 e2 62.Rg4 Ke5–+) 58...Nf5 59.Rf6–+) 57...Nf5–+ 58.Rh7 (58.Kf1–+) 58...e3 59.Ke1 (59.Kg2 Ra2 60.Kf1 Ng3 61.Kg1 Ra1 62.Kg2–+) 59...Nd4 60.Re7 Kf6 (60...Kf6 61.Re3 Re3 62.Kd2 Re8–+) 0–1. Lorenzo Duran,Marcos (2165) – Manolache,Marius (2490), Mondariz ESP, 1st Marcote Mem, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.d4 d5 7.Nbd2 a5 8.b5 a4)

9.Rc1 Be6 10.bc6 Nc6 11.a3=.

9.c5 Qa5 10.b6 (better is 10.bc6!? Nc6 11.Rc1=) 10...a3–/+ 11.Bc1 Bf5 12.Qb3? (better is 12.Ke2!?+=) 12...Nfd7–+ 13.Rb1 Bb1 14.Qb1 e5 15.Be2 Qc3 16.0-0 Re8 17.Nb3 ed4 18.Bd2 Qb2 19.Qd3 (19.Bd3 de3 20.Be3–+) 19...de3 20.fe3 (20.Be3 Na6 21.Rb1 Qa2–+) 20...Qa2 21.Bd1 (21.Rb1 Nc5! 22.Nc5 Qb1 23.Qb1 a2–+) 21...Qb2 22.Nbd4 (22.Nfd4 Na6 23.Qc2 Qc2 24.Bc2 Nac5 25.Nc5 Nc5–+) 22...a2 23.Bc3 Nc5 (23...Nc5 24.Qc2 Qc2 25.Bc2 Nbd7–+) 0–1. Gantner,Ralf – Schneider,Dietmar, DESC V0161 email, 2004. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Nbd2 a5 7.b5 a4 8.c4 c6)

9.bc6 Nc6 10.Bd3 Bf5 11.Bf5 gf5 12.0-0 dc4 13.Nc4 Nd5 14.Qd3 Qd7 15.Rac1 b5 16.Ncd2 Ncb4 17.Qb1 Rfc8 18.a3 Na6 19.Qd3 e6 20.Kh1 b4 21.Rc8 Qc8 22.e4 ba3 23.Qa3 fe4 24.Ne4 Nab4 25.Rc1 Qa6 26.Qa1 a3 27.Ba3 Qd3 28.Nc3 Nc2 29.Qb1 Nc3 30.Qb7 Ra3 31.Ng5 Qg6 32.h4 h6 33.Qc8 Bf8 34.Rc2 Qc2 (34...Qc2 35.Ne6 fe6 36.Qe6 Kh7 37.Qf7 Bg7–+) 0–1. Subasic,Ilijas (2320) – Burovic,Ismet (2375), YUG–ch Kladovo, 1991. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 a5 6.b5 c6 7.Nbd2 d5 8.e3 a4)

9.bc6 Nc6 10.Be2 a3 11.Bc3 dc4 12.Bc4 Nd5 13.Rc1 Nc3 14.Rc3 e5 15.0-0 (15.de5!? Qe7 16.Rd3=) 15...ed4–/+ 16.ed4 Nd4 17.Nd4 Qd4 18.Rd3 Qb6 19.Bd5 Bf5 20.Rb3 Qd4 21.Ne4 (21.Bb7? Rad8–+) 21...Qd1 (21...Ra5!? 22.Bb7 Qd1 23.Rd1–+) 22.Rd1–/+ Rfd8 23.f3 Kf8 (23...Be6 24.Rbd3 Bd5 25.Rd5 Rd5 26.Rd5–/+) 24.Rbd3=+ Ra7 25.g4 Bc8 26.Bb3 Rd3 27.Rd3 Ke7 28.Nd6 Be6 29.Be6 Ke6 (29...fe6?? 30.Nc8 Kf6 31.Na7+–) 30.Nb5 Ra5 31.Na3 (31.Nc7!? Ke7 32.Nd5 Ke8 33.Ne3–/+) 31...Bf8–+ 32.Nc4 Ra2 33.Rb3 (33.Rd2 Rd2 34.Nd2 h6–+) 33...Bc5 34.Kh1 Kd5 35.Nb2? (35.Ne3 Kc6–+) 35...b6 (better 35...Bd4!? 36.Rb7 Rb2 37.Rd7 Ke5 38.Rf7–+) 36.Rd3?? (36.Nd3–+) 36…Bd4 0–1. Voiska,M (2270) – Videnova,I (2345), Pleven BUL (7), 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

9.bc6 Nc6 10.Be2 dc4 11.Bc4 a3 12.Bc1 (12.Bc3 Nd5 13.Bd5 Qd5=) 12...e5 13.de5 Ng4 14.0-0 Nce5 15.Rb1 Qc7 16.Ne5 Be5 17.g3 Rd8 (17...Nf6 18.f4 Bd6 19.Qf3=) 18.Qe2 (18.Qb3 Ra5=) 18...Bg7 19.Nf3 Ne5 ½–½. Kurajica,Bojan (2515) – Fernandez Garcia,Jose Luis (2435), 20th Torneo De Navidad Cajacanar, 2009. (=1.Nf3 Nf6 2.d4 g6 3.b4 c6 4.e3 Bg7 5.Bb2 0-0 6.Nbd2 a5 7.b5 a4 8.c4 d5)

9.Bd3 Qa5 10.Qc2 (10.0-0 cb5 11.cb5 a3=) 10...dc4 11.Qc4 Be6 12.Qc3 Qc3 13.Bc3 Nd5 (13...cb5 14.Ne4+=) 14.Rc1 (14.Ne4!?=) 14...Nc3–/+ 15.Rc3 Ba2 16.Ke2 Bd5 (16...cb5 17.Rc7 Bd5 18.Bb5+=) 17.Ra1 (17.Ra3 cb5 18.Bb5 Bc6=) 17...cb5 18.Bb5 Bc6 (better is 18...Ra5!? 19.Bd3 Nc6–/+) 19.Bc6= Nc6 (worse is 19...bc6 20.Rca3+=) 20.Rc4 a3 (20...e5 21.de5 a3 22.Nb1+=) 21.Nb1 e5 (21...a2 22.Nc3+=) 22.de5 (22.Ra3 Ra3 23.Na3 Ra8=) 22...Ne5+= 23.Ne5 b5 (23...Be5 24.Ra3 Ra3 25.Na3 Ra8=) 24.Rc5+= b4 (24...a2 25.Rb5 Rfb8 26.Rb8 Rb8 27.Ra2 Be5 28.Nd2+/–) 25.Ra2+/– Rfc8 26.Nd3 (26.Rb5 Be5 27.Re5 Kg7+/–) 26...Bf8 27.Rc8 Rc8 28.Nd2 (better is 28.e4!?+/–) 28...Rc3= 29.Ne4 (29.e4 b3 30.Nb3 Rb3=) 29...Rc6 (29...Rd3 30.Kd3 b3 31.Ra3 Ba3 32.Nd2+/–) 30.Nd2= Rc3 31.Nb1 Rc6 (31...Rc8 32.e4+/–) 32.Nd2 (better is 32.Ra1!?+/–) 32...Rc3= 33.Ne4 (33.f4 b3 34.Nb3 Rb3+=) 33...Rc6 (33...Rd3 34.Kd3 b3 35.Ra3 Ba3 36.Nd2+/–) 34.Nd2= ½–½. Moskalenko,Alexander (2520) – Kantans,Toms (2480), European Blitz, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

9.Bd3 dc4 10.Nc4 cb5 11.Nce5+=.

9.cd5 a3 10.Bc1 Nd5 11.bc6 Nc6 12.Bc4 b5 13.Bd5 (better is 13.Bb5!? Nc3 14.Qb3 Nb5 15.Qb5+=) 13...Qd5+= 14.Qb3 Qb3 15.Nb3 e5 16.Bd2 Be6 17.Rb1 ed4 18.Nfd4 Nd4 19.ed4 Rfc8 20.Kd1 Ra4 (20...Bf5!? 21.Rc1 Rc1 22.Nc1 Bd4–+) 21.Be3–/+ Rac4 22.Re1 Rc2 23.Nc5 Rb2 (worse is 23...Ra2 24.Ne6 fe6 25.Rb5–+) 24.Ra1 Ra2 25.Ra2 Ba2 26.Kd2 b4 27.Nd3 Bf6?? (better is 27...Rc4–+) 28.Nc5?? (better is 28.Nb4 Bb3 29.Rc1 Rc1 30.Kc1–/+) 28...b3 (better is 28...Rc5 29.dc5 Bc3 30.Kc1 Be1 31.c6–+) 29.Bf4 b2 0–1. Arkell,K (2430) – Brown,An (2200), e2e4 Int Masters B, 2011. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.Nbd2 0-0 6.e3 a5 7.b5 a4 8.c4 c6)

9.cd5 Qa5 10.dc6+/– a3 11.cb7 (11.Bc1 Qc3 12.Rb1 Be6 13.cb7 Ra5+=) 11...Bb7+= 12.Bc1 Rc8 (12...Qc3 13.Rb1 Bd5 14.Ng1 Ba2 15.Ne2+=) 13.Be2 (13.Rb1 Nd5 14.Bd3 Nc3=) 13...Qc3 14.Rb1 Be4 15.0-0 Bb1 (15...Bc2!? 16.Qe1 Nbd7+=) 16.Nb1+/– Qc2 17.Ba3 Qa2 (17...e6 18.b6 Rc6 19.b7+/–) 18.Be7 Nbd7 19.Ne5 (19.Qd3 Qe6 20.Bb4 Ra4+–) 19...Ne5 20.de5 Ne8 21.Bg4 (21.Bd6 Rd8 22.Bf3 Be5 23.Ba8 Bd6+/–) 21...Rc7+– 22.Bd8 Rc2?? (22...Rc5 23.e6! Rd5 (23...Rb5?? 24.Qd7 Nd6 25.Qd6 Rb1 26.ef7 Qf7 27.Rb1+–) 24.ef7 Kf8+–) 23.Qd7 Bf8 (23...h5 24.Qe8 Kh7 25.Bf3+–) 24.Qe8 Qd5 (24...Qa5 25.b6 Qd5 26.Rd1 Rd8 27.Qd8 Qd8 28.Rd8+–) 25.Bd7 (better is 25.Rd1 Qb3 26.e6+–) 25...Ra7 (25...Rcc8 26.e4 Rd8 27.Qd8 Rd8 28.ed5 Rd7+–) 26.e6 Qd6 27.Qf7 (27.Qf7 Kh8 28.Bf6 Bg7 29.Qg7#) 1–0. Ferguson (2360) – Radovanovic (2280), Hastings, 1996. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d5 6.e3 a5 7.b5 a4 8.c4 c6)

9.Be2 dc4 10.bc6 b5 (10...Nc6?! 11.Bc4 Bg4 12.a3=) 11.Ne5 Nd5 12.Bf3 a3 (12...c3!? 13.c7 cd2 14.Qd2 Nc7 15.Ba8 Na8–+) 13.Bc1–/+ Be5 14.de5 Be6 15.Nb1 (better is 15.Bd5!? Bd5 16.Nc4 Nc6 17.Na3 Qa5 18.Qd2–/+) 15...Nc6–+ 16.Na3 Ne5 17.0-0 Nc3 18.Qc2?! (18.Qe1 Nf3 19.gf3–+) 18...Nf3 19.gf3 b4 20.Nb1 Na2! 0–1. Huerta,Ramon (2345) – Ravelo Gil,Eddy, Basarrate, 1992. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 d5 6.d4 0-0 7.Nbd2 a5 8.b5 a4)

10.Rb1 A) 10...cb5 11.Rb5 (11.c5 Nc6 12.Rb5 Ne4 13.Bb2 Nd2 14.Qd2 Bf6+= 0.34) 11...Nc6 12.Be2 dc4 13.Nc4 Na7 14.Rb2 b5+= 0.37; B) 10...Bf5 11.Rb4 (11.bc6 Bb1 12.cb7 Ra7 13.Qb1 Qc7 14.Qc2 Nbd7= –0.09) 11...Ne4 12.bc6 bc6 13.cd5 Nc3 14.Qa1 Nd5=.

10.Bd3 Qa5 11.Qc2 Nbd7 (11...dc4 12.Qc4 Be6 13.Qb4=) 12.0-0+= e5 13.de5 Ng4 14.bc6 bc6 15.cd5 cd5 16.Rab1 Nde5 17.Ne5 Ne5 (worse 17...Re5 18.Bb2 Re6 19.Bg7 Kg7 20.Nf3+–) 18.Bb5?? Exerts pressure on the isolated pawn (better 18.Bb4 Qd8 19.Bb5=) 18...Bf5–+ 19.e4 Rec8 20.Qd1 de4 (20...Be4?! 21.Ne4 de4 22.Be7–/+) 21.Qe2 Rab8 (21...Rc2 22.Bb4 Qb6 23.a3–+) 22.Bd6 e3! 23.Bb8 (23.Qe3 Bb1 Discovered attack (23...Rb5 Deflection); 23.fe3 Bb1 Discovered attack) 23...ef2 (23...ed2!? 24.Be5 Bb1–/+) 24.Rf2= Rb8 25.Rf5 gf5 26.Nf3 (26.Kh1 f4=+) 26...Qc3 (26...Qb6 27.Kh1 Ng4 28.g3–/+) 27.Ne5=+ Be5 28.Kh1 Qc5 29.Qf1 a3 ½–½. Gillot,Florent (1975) – Hafner,C (2070), Pays de Charleroi Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

10.Bd3 cb5 11.cb5 Bg4 (11...Nbd7 12.0-0=) 12.Qc2 (12.Rc1 Nbd7 13.h3 Bf3 14.Nf3 Ne4=) 12...Nbd7= 13.0-0 Bf3 14.Nf3 (worse 14.gf3 e5 15.Bb2 Nh5 16.de5 Be5–/+) 14...e5 15.de5 Ne5 16.Ne5 Re5 17.Bb2 (17.Rac1 Re6+–) 17...Re7 18.Rac1 Ne4 19.Bg7 Kg7 20.Qb2 Kg8 21.Rfd1 Qb6 22.Be2 Qf6 (22...Rc7!?+=) 23.Qf6+– Nf6 24.a3 Kg7 25.g3 Rd7 26.Rd4 Rd6 27.Rc7 b6 28.Bd1 (28.Kg2!?+–) 28...Ra5+= 29.Ba4 (29.Rb4 Ne4+=) 29...Rd8 30.Rb4 Rda8 (30...Re8 31.Bb3 Ra3 32.Kg2+=) 31.Bb3+– Ra3 32.e4 (32.Kg2 Re8+=) 32...Rd8 (32...Ne4?? 33.Bd5 Ng5 34.Ba8 Ra8 35.Kg2+–) 33.Bd5 (33.ed5 Rd5 34.Kg2 Rd7+=) 33...Nd5 (33...Rd5!? 34.ed5 Nd5=) 34.ed5+= Rf3 35.Rd4 Rf5 36.Rc6 Rdd5 37.Rd5 Rd5 38.Rb6 Rd1 39.Kg2 Rb1 40.Rb8 h5 41.b6 Rb3 42.b7 Kf6 43.h3 Kg7 ½–½. Geshko,Aleksey (2210) – Golubev,R (2375), RSHSH Masters Cup, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

10.Bd3 dc4 11.Bc4 (worse is 11.Nc4 cb5 12.Nce5 Nd5–/+) 11...Nd5 12.Rc1=.

10.Bd3 Nbd7 11.bc6 (11.0-0 e5 12.cd5 Nd5 13.bc6 bc6=) 11...bc6 12.cd5 (12.0-0 e5 13.cd5 Nd5=) 12...cd5 (12...Nd5 13.0-0=) 13.0-0 Ba6 (13...e5 14.de5 Ne5 15.Ne5 Re5 16.Rb1=) 14.Ba6 (14.Qe2 Bd3 15.Qd3 Qb6+=) 14...Ra6 15.Qe2 (15.Qc2 e5 16.Ne5 Ne5 17.de5 Re5+=) 15...Qa8= 16.Rac1 (16.Rfc1 e6+=) 16...e6 17.Rc7 (17.Ne5 Ne5 18.de5 Nd7=) 17...Bf8 (17...Rc8 18.Rc8 Qc8 19.Qb5=) 18.Bf8+= Rf8 19.Rfc1 Rb6 20.R7c2 (20.Ne5 Ne5 21.de5 Ne4+=) 20...Rfb8= 21.Ne1 (21.Ne5 Ne5 22.de5 Nd7=) 21...Ne4 (21...Rb2 22.Ndf3 Rb1 23.Ne5=) 22.Nd3 Qa6 (22...Qa5 23.f3 Nd2 24.Qd2 Qd2 25.Rd2=) 23.f3 Nd2 24.Qd2 a3 (24...Rb1=) 25.Nc5 (25.Rc7!? R8b7 26.Kf2+=) 25...Nc5+= 26.dc5 (26.Rc5 Rb1 27.R5c2 R1b2+=) 26...Rb2 27.c6? (better is 27.Qd1!?+=) 27...Qc6!–+ 28.Rb2? (28.Rc6 Rd2 Pinning (28...Rd2 Deflection; 28...Rd2 Overloading)) 28...Rb2 (28...ab2?! 29.Rc6 b1Q 30.Rc1+=) 29.Rc6 Rd2 30.Ra6 Ra2 31.h3 (31.f4 Kg7–+) 31...h5 (31...e5 32.Ra4 Ra1 33.Kf2–+) 32.h4 (32.Ra4 e5 33.Kh2 Ra1–+) 32...Kg7 (better is 32...e5 33.Ra8 Kg7 34.Ra4–+) 33.Kh2 (33.Ra5 e5 34.Rd5 Rc2–+) 33...Kf6 (better is 33...e5 34.Ra4 Ra1 35.f4 ef4 36.Rf4–+) 34.Ra7 (34.Kh3 Ke5–+) 34...Ra1 35.Kg3 (35.Ra4 a2–+) 35...a2 36.Kf4 (36.Ra6 Ke7 37.f4–+) 36...e5 37.Kg3 d4 38.Ra6 Kg7 39.Kf2 (39.ed4 ed4 40.Ra3–+) 39...d3 0–1. Salem,Mahjob (2090) – Myint Han (2285), 42nd Olympiad, 2016. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6 7.Nbd2 a5 8.b5 a4)

10.Bd3 Nbd7 11.cd5 cd5 12.0-0 e5 13.de5 Ne5 14.Ne5 Re5 15.Rc1 Re8 16.Qc2 Ng4 17.Nf3 Ne5 18.Nd4 (18.Ne5 Be5 19.Bb2 f6+=) 18...Nd3 (18...Qh4 19.Bc5=) 19.Qd3+= Be6 20.Rc5 Rc8 21.Rc8 Qc8 22.Rc1 Qd7 23.Qd1 Ra8 24.b6 Be5 25.f4 Bd6 26.Qd3 (worse 26.Ne6 Ba3 (worse 26...Qe6 27.Bd6 Qd6 28.Qd4+=; worse 26...fe6 27.Qd4+/-) 27.Rc3 Bb2-/+ (27...fe6?! 28.Ra3 Qc6 29.Kf2=; 27...Qe6?! 28.Ra3 Qb6 29.h3-/+)) 26...Re8 27.Bb2 f6 (27...Rc8 28.Rc8 Qc8 29.Nb5+=) 28.Nb5+/- (28.Ne6?! Qe6 29.Bd4 a3=) 28...Bf8 (28...Be7 29.Rc7 Bf5 30.Rd7 Bd3 31.Nc7+/- (worse 31.Rd5 Bc4 32.Nc7 Bd5 33.Nd5 Kf7-/+)) 29.Nc7 (29.Rc7!? Qd8+-) 29...Rc8+/- 30.Bf6 d4 31.a3 de3 32.Qe3 Bb3 33.Bb2 Bg7 34.Bg7 Kg7 35.Re1 Rd8 (35...Kg8 36.Qe5 Rd8 37.Qe4+/-) 36.Kh1 (36.Qe7 Qe7 37.Re7 Kg8+/-) 36...Rf8 (36...Kg8 37.Qe4+/-) 37.h3 Kg8 38.Qe5 Qf5 39.Re4 Qe5 40.fe5 (40.Re5?! Rf4 41.Re8 Rf8=) 40...Rf1 41.Kh2 Kf7 42.e6 (42.Kg3 Ke7+/-) 42...Ke7 43.Rh4 h5 44.Rd4 (44.g4 Re1+/-) 44...Rd1 45.Rd1 Bd1 46.Kg3 g5 (46...Kf6 47.h4+/-) 47.h4 gh4 48.Kh4 Kf6 49.Kg3 Bb3 50.Kf4 Bc4 51.g3 Bb3 52.Na6 (52.Ne8!? Ke6 53.Ng7 Kd6 54.Nh5+/-) 52...Ke6= (52...ba6?? 53.b7+-; worse 52...Be6 53.Nc5 Bd5 54.Na4+/-) 53.Nc5 Kd5 54.Nb7 Kc6 55.Nc5 Kb6 (55...Kc5?? 56.b7+-) 56.Nd3 Kb5 57.Kg5 Kc4 58.Nb2 Kc3 59.Na4 Ba4 60.Kh5 Kb2 ½-½. Deac,Bogdan_Daniel (2625) - Zanan,E (2500), Aeroflot Open A, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

10.cd5 Nd5 11.Qc2 (11.Rc1) 11...Ra5 12.Rb1 Nc7 13.bc6 Nc6 14.Nc4 Ra6+=.

10.Be2 Nbd7 11.cd5 cd5 12.0-0 e5 13.Ne5 Ne5 14.de5 Re5 15.Nf3 Re8 16.Nd4 (16.Bb2 Bg4=) 16...Ne4 17.Rc1 (17.Qd3=) 17...Be5 (17...Qa5!? 18.Qd3 Bd7=+) 18.Qd3+= h5 (18...Qf6 19.Nf3+=) 19.f4 Bg7 (19...Bb8+=) 20.Bf3 (20.f5!?+=) 20...Qb6= 21.Rc2 (21.f5 Bd4 22.Qd4 Qd4 23.ed4 Bf5=) 21...Bd7 22.Rfc1 (22.Rd1 Ra5=) 22...Bd4=+ 23.Qd4 Qd4 24.ed4 Bb5 25.Rc7 Bc6 (25...Bc4 26.Rc2=+) 26.f5 (26.Bb4 a3=+) 26...Nd2 (26...gf5? 27.Bh5 Rec8 28.Rf7+-) 27.Kf2 Ne4 28.Kg1 Nd2 (28...Ng5 29.Kf2=+) 29.Kf2 Nc4 (29...Nf3 30.gf3 Rac8 31.Rc8 Rc8 32.fg6=+) 30.Rc4= dc4 31.d5 Bb5 32.fg6 fg6 33.d6 Bc6 34.d7 Red8 35.Bc6 bc6 36.Be7 Kf7 37.Bd8 Rd8 38.Ke3 (worse 38.Rc6 Rd7 39.Rc4 Rd2 40.Kf3 Ra2 41.Rc7 Kf6 42.Rc6 Kg5 43.Rc5 Kh6=+) 38...Ke6 39.Rc6 Kd5? (better 39...Kd7!? 40.Rc4 Re8 41.Kd3 Ra8=) 40.Rc7+/- a3 (40...h4+/-) 41.h4 (better 41.Kd2!?+-) 41...Ke5 42.Kd2 Ke6 (42...Kf6 43.Kc3 Ke7 44.Kd4+=) 43.Kc3 Ke7 44.Kc4 (44.Ra7 Rb8+=) 44...Rf8 45.Kb3 Rf4 (45...Rf6 46.Ka3 Rf4 47.Rc6 Kd7 48.Rg6 Rh4 49.Kb3=) 46.g3 (46.Rc4 Rf2 47.Rc2+=) 46...Rg4 47.Rc3 Kd7 48.Ka3 g5 49.hg5 Rg5 50.Kb4 Rg4 51.Kb5 h4 (51...Rg5 52.Ka6 Rg4 53.a3=) 52.gh4 Rh4 53.a4 Rh8 54.Kb6 Rb8 55.Ka7 Rc8 56.Rh3 (56.Rd3 Kc6+=) 56...Rc7 57.Kb6 Rc6 58.Kb5 Rg6 59.Rc3 Rg8 60.a5 (60.Rc4 Rc8=) 60...Rc8 61.Rh3 Kc7 62.a6 Kb8 63.Kb6 Rg8 64.Rh6 Ka8 65.Rf6 Rb8 66.Kc7 Ka7 67.Rf7 Rb6 68.Rf1 Ra6 (68...Ka6?? 69.Ra1 Kb5 70.Rb1 Kc4 71.Kb6+-) 69.Rb1 Ra2 70.Rc1 Ka6 71.Rc5 Rb2 72.Rc6 Ka5 73.Rc3 Kb4 74.Rc6 Rb3 75.Kb6 Rh3 76.Rg6 Rh4 77.Kc6 Rc4 78.Kd5 Rc5 79.Kd4 Rc4 80.Kd3 Rc3 81.Kd2 Rc5 82.Rg8 Rd5 83.Kc2 Rc5 84.Kb2 Rb5 85.Rg4 Ka5 86.Kc3 Rh5 87.Kc4 Rb5 88.Rg8 Rb4 89.Kc3 Rb6 90.Kc4 Rc6 91.Kd5 Ra6 92.Kc5 Ra7 93.Rc8 Ka4 94.Kc4 Ka5 95.Kc3 Kb6 96.Kb4 Rg7 97.Rc4 Rg5 98.Rh4 Rg6 99.Kc4 Rc6 100.Kd5 Rc5 101.Kd6 Rc6 102.Kd7 Rc7 103.Kd8 Rg7 104.Rh6 Kc5 105.Kc8 Kd5 106.Kd8 Kc5 107.Ke8 Ra7 108.Rh5 Kd6 109.Rh6 Ke5 110.Kd8 Ra8 111.Kc7 Ra7 112.Kb6 Re7 113.Kc5 Rc7 114.Kb6 Re7 115.Rh5 Kf6 116.Kc6 Kg6 117.Rh1 Re6 118.Kd5 Rf6 119.Ke5 Rf5 120.Ke6 Rf6 121.Ke7 Rf7 122.Ke8 Ra7 123.Rg1 Kf6 124.Rf1 Ke6 125.Re1 Kf6 126.Kd8 Kg6 127.Rf1 Rb7 128.Kc8 Rh7 129.Kd8 Ra7 130.Rf2 Kg7 131.Kc8 Kg6 132.Kb8 Rh7 133.Rg2 Kf6 134.Rf2 Kg6 135.Kc8 Ra7 136.Kd8 ½-½. Wageih,K (2425) - Mhango,Banele (2115), ch-Africa, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 a4)

10.Be2 Ne4 11.Bb4 cb5 12.cb5 Nd7=.

10.Be2 Bf5 11.Rc1 Qa5 12.bc6 bc6 13.cd5 cd5 (worse 13...Nd5 14.Rc5 Qc7 15.e4+-) 14.Rc5 Qb6 15.0-0 Bf8 (15...Nc6 16.Bb5 Rec8 17.Qe2=) 16.Rb5 Qc7 17.Qa1 Rc8 18.Rc1 Qd8 19.Ne5 Nfd7 20.g4 (worse 20.Rd5 e6 21.Rd6 Bd6 22.Bd6 Ne5 23.de5 Nd7=) 20...Be6 21.Nd3 Nf6 22.h3 Ne4 (22...Rc1 23.Qc1 (23.Nc1?! h5=) 23...Bd7 24.Rb2+/-) 23.Ne4 Rc1 24.Bc1 (24.Qc1 de4 25.Nf4 Ba2 26.Qc2+=) 24...de4+= 25.Nc5 Bd5 26.Qb1 Bc6 27.Rb2 e5 28.Ne4 ed4 29.ed4 Nd7 (29...Qd4!? 30.Bf3 Nd7+=) 30.Bf3 Rc8 31.Be3 Bd5 32.Rb5 Bc6 33.Rb2 Bd5 34.Qd1 Ba3 35.Rb5 Bc6 36.Rb1 Qa5 37.Ng5 Nf6 38.Qd3 (38.Bc6 Rc6 39.Rb8 Bf8+-) 38...Bf3+/- 39.Nf3 (39.Qa3?! Bc6=) 39...Qd5 (39...Bf8 40.Ne5+/-) 40.Qa3 (better 40.Qa6!? Rc6 41.Qa4 Qf3 42.Qa3+-) 40...Qf3+/- 41.Qd6 (worse 41.Qa4 Qh3 42.d5 Ng4-/+) 41...Kg7 42.g5 Nd5 43.Qe5 Kg8 44.Rb8 Rb8 45.Qb8 Kg7 46.Qe5 Kg8 47.a3 Kf8 48.Kh2 Kg8 49.Qg3 Qf5 50.Qb8 Kg7 51.Qe5 Kf8 52.Kg3 (better 52.Qf5!? gf5 53.Kg3+/-) 52...Qe5= 53.de5 Ke7 54.Kf3 Ke6 55.Ke4 Nc3 56.Kd3 Nb5 57.Bc1 Kd5 (worse 57...Ke5 58.Kc4 Nd6 59.Kb4+=) 58.Bb2 Kc5 59.h4 Kd5 60.f3 Kc5 61.f4 Kd5 62.h5 Nc7 (62...gh5 63.f5 Nc7 64.Ke3=) 63.h6 Nb5 64.Ke3 Nc7 65.Kd3 Nb5 66.Bc1 Kc5?? (better 66...Nd4+=) 67.f5!+- Kd5 (67...gf5 68.Be3 Decoy) 68.e6! Nd6 (68...fe6 69.fg6 Combination) 69.ef7 (69.Bf4 gf5 70.Bd6 Ke6+- (70...Kd6 71.ef7 Ke7 72.g6 Kf6 73.f8Q Ke5 74.g7 Kf4 75.g8Q Ke5 76.Qe7 Kf4 77.Qe3)) 69...Nf7 70.fg6 Ne5 71.Kc3 (71.Kc3 Ng6 72.Kb4+-) 1-0. Bauer,Ch (2645) - Laurent_Paoli,Pierre (2320), 42nd Zurich Christmas, 2018. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 a5 8.b5 a4)

10.Rc1 cb5 11.cb5 Qa5 12.Nh4 Ne4 13.Nf5+= gf5 14.Bd3 (14.Be7?! Re8 15.Bh4 f4=) 14...Nd7 (14...Re8 15.Bb2+=) 15.Be4 (15.Be7!? Rfe8 16.Ba3+=) 15...fe4= 16.Qe2 (16.Be7 Rfe8 17.Ba3 Qb5=) 16...Rfe8 (16...Rfc8 17.0-0 e5 18.Bb2=) 17.0-0= e5 18.Rfd1 Rac8 19.Nf1 ed4 20.ed4 Qb6 21.Ne3 Qe6 22.Qh5 Nf6 23.Qg5 h6 24.Qf4 Nh5 25.Qh4 Nf6 26.g4 (26.Re1 Qd7=) 26...Nh7 27.Qg3 (27.Rc8 Rc8 28.Qe7 b6=) 27...Ng5=+ 28.Nf5 ½-½. Popovic,Du (2480) - Sarenac,I (2380), Subotica SRB, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

10.Rc1 cb5 11.cb5 Qa5 (11...Re8 12.Be2+=) 12.Nh4 (12.Be7 Re8 13.Bf6 Bf6+=) 12...Be6 (better is 12...Bg4!? 13.Qc2 Re8=) 13.Be7+/– Re8 14.Bf6 Bf6 15.Nhf3 Bf5 16.Be2 Be7 17.0-0 (17.Ra1 Ba3=) 17...Ba3= 18.Rc5 (18.Ra1 Bb2=) 18...Bc5+= 19.dc5 Nd7 (19...Qc7 20.Nd4+=) 20.c6= bc6 21.bc6 Nc5 22.Nd4 Bd3 23.N2f3 Be2 24.Ne2 1–0. bobby28959 (2055) – harpov (2300), gameknot.com, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6 9.Ba3 Bf5)

10.Rc1 Ne4 11.cd5 cb5 12.Bb5 Qa5 13.Be2 b5 (13...Bf6!?+=) 14.Be7+/– Re8 15.d6 Nc3 16.Rc3 Qc3 17.Bb5 Bd7 18.Bd7 Nd7 19.0-0 Qa3 (19...Rec8 20.Ne4 Qa3 21.Nc5+–) 20.Qc2+– Rec8 21.Nc4 Qb4 22.Nfd2 Qb5 23.Qe4 Rab8 24.Rb1 (better is 24.Rc1+/–) 24...Qf5?? (24...Qb1 25.Nb1 Rc4+/–) 25.Rb8 Rb8 26.Qf5 gf5 27.Kf1 (27.g3 Bf8+–) 27...f6 28.Ke2 Bf8 29.Bf8 Kf8 30.f3 Kf7 31.e4 fe4 32.fe4 Nb6 33.Ne3 Ke6 34.Nf5 Nd7 35.Nc4+– Nb6 36.Na5 Nc8 37.Nc4 Nb6 38.Nb2 a3 39.Nd3 Na4 40.Kd2 Rb1 41.Kc2 Rb8 42.g4 Rc8 43.Kd2 Kd7 44.g5! fg5 45.d5 Nb6 46.Ne5 Kd8 47.Nd4 g4 48.Ndc6 Ke8 49.Ke3 h5 50.Kd4 Ra8 51.Kc5 Na4 52.Kb4 Nb6 53.Kb5 Nd7 54.Nd7 Kd7 55.e5 h4 56.Kc5 g3 57.e6 Kc8 58.Kb6 (58.Kb6 Rb8 59.Nb8 Kd8 60.Nc6 Ke8 61.d7 Kf8 62.d8Q Kg7 63.Qe7 Kh6 64.Qf8 Kg5 65.Ne7 gh2 66.Qf5 Kh6 67.Qg6#) 1–0. Dizdarevic,E (2525) – Horvath,Cs (2520), Croatian Cup, Pula CRO, 1999. (=1.Nf3 g6 2.d4 Nf6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 a4)

10.bc6 bc6 11.Be2 Re8 12.0-0 Nbd7 13.Nh4 Be6 14.f4 dc4 15.Nc4 Bc4 16.Bc4 Nb6 17.Qe2 Nc4 18.Qc4 Nd5 19.Rae1 e5 20.fe5 Qh4 21.e4 Be5 (better 21...Nf4!? 22.g3 Nh3 23.Kg2 Qg4 24.Rf7 Re6=) 22.de5+= Re5? (22...Qg4 23.g3 Re6 24.Qd3+-) 23.Bb2 (better 23.Qc6!? Rd8 24.g3+-) 23...Rh5+/- 24.h3 Nf4 25.Qc3 (25.Qc6 Nh3 26.Kh2 Nf4 27.Kg1 Qh2 28.Kf2 Qg2 29.Ke3 Rh3 30.Rf3 Rf3 31.Kd4 Qb2 32.Kc5 Rc3 33.Kd4 Rd8 34.Qd7 Rd7 35.Ke5 Rf3) 25...f6 26.Rf4! (26.Qc6 Nh3 27.Kh2 Nf4 28.Kg1 Qh2 29.Kf2 Qg2 30.Ke3 Rh3 31.Rf3 Rf3 32.Kd4 Qb2 33.Kc5 Rc3 34.Kd6 Qb8 35.Kd7 Qd8; 26.Qf6?? Nh3 27.Kh2 Ng5 28.Kg1 Qh2 29.Kf2 Rf8 30.Qf8 Kf8-+) 26...Qf4 27.Rf1 Qd6 28.Qc4 Rd5 29.ed5 Qd5 (29...cd5 30.Qg4 a3 31.Bf6+-) 30.Qd5 (30.Qc3 a3 31.Ba1 Qe5 32.Qc6 Qe3 33.Kh2 Rf8 34.Qc4 Rf7 35.Rf6 Qe8+-) 30...cd5 31.Rf6 Rc8 32.Kf1 Rb8 33.Rf2 Rb5 34.Ke1 Rb7 35.Kd1 Rc7 (35...h5 36.Kc2 Rc7 37.Kd3+-) 36.Rd2 Rc5 37.Rd4 Rb5 38.Kc2 Ra5 39.Bc3 Ra7 40.Rd5 Kf7 41.g4 Ke6 42.Re5 Kd6 43.g5 Rf7 44.Re4 Rf2 (44...Rf3 45.Rh4+-) 45.Bd2 Rh2 46.Rh4 1-0. Gines Esteo,Pedro Antonio (2285) - Nguyen,HMT (1995), World Youth Open U14, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

10.bc6 Nc6 11.Be2 dc4 12.Bc4 Qa5 13.Rc1 Rac8 14.0-0 b5 15.Be2 Nd5 (15...Nb4 16.e4 Be4 17.Ne4 Ne4 18.Qe1 Rc1 19.Bc1-/+) 16.Rc5 The backward pawn on b5 becomes a target. Here comes the goal-getter (better 16.e4 and White is still in the game 16...Nc3 17.Rc3 Qc3 18.Nb1=) 16...Nc3-/+ 17.Qe1 Na7 (better 17...Be6!? 18.Bc4 Nb4 (18...Bc4? 19.Nc4 Qa7 20.Qc3 bc4 21.Qc4+-) 19.Bb4 Qb4 20.Be6 Rc5 21.dc5 fe6-/+) 18.Nc4= Ne2 19.Qe2 Black has the pair of bishops 19...Qa6 20.Nce5 Qb7 21.Nd3 b4 Black threatens to win material: b4xa3 22.Nb4 Rc5 23.dc5 White has a new passed pawn: c5. 23...Qb5 24.Qd2 Qc5 25.Rc1 Qd6 26.Qd6 ed6 27.Nc6 Nc6 28.Rc6 Rb8 29.h3 Controls g4 29...Rb1 30.Kh2 Ra1 Black threatens to win material: Ra1xa2 31.Ra6 h6 Secures g5 (31...Ra2? fails to 32.Ra8 Bf8 33.Bd6+-) 32.Ra4 Ra2 33.Ra7 Be4 34.Kg3 Ra1 (34...Bd5!? 35.Ra5 Bf3 36.Kf3 Bc3 37.Ra8 Kg7-/+) 35.Nd2= Bd3 36.Nb3 White threatens to win material: Nb3xa1 36...Rb1 37.Nd4 Ra1 38.Bc5 (38.Nb3 Rb1 39.Nd4 Be5 40.f4 Bd4 41.ed4 Be4=) 38...dc5=+ 39.Ra1 cd4 40.ed4 Black wins the exchange. . 40...Kf8 (40...Bd4 Instead of 41.Rd1 Bf2 42.Kf2+/-) 41.Kf3 Ke7 (41...Bd4 Worse is 42.Rd1 Bf2 43.Rd3+/-) 42.Ra7 Kf6 43.Rb7 Bc4 44.Ke4 Ke6 45.Rb6 Ke7 46.g4 Be6 47.f3 f5 48.Ke3 Bf6 49.Rb7 Kd6 50.Rb6 Kd5 Attacks the isolani on d4 51.Rb5 Kc6 Black threatens to win material: Kc6xb5 52.Rc5 Kd6 53.gf5 Bf5 (53...gf5 54.Ra5=+) 54.Rf5= gf5 55.Kf4 White threatens to win material: Kf4xf5 55...Ke6 56.d5 Kd5 57.Kf5 White has a new passed pawn: f3 57...Bc3 58.f4 Bd2 59.Kg4 Ke4 Exerts pressure on the isolated pawn 60.Kg3 Bf4 ½-½. Westerberg,J (2500) - Martinovic,Sa (2565), 43rd Olympiad, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 a4)

10.bc6 Nc6+= 11.Be2 dc4 12.Bc4 (12.Nc4 Nd5 13.Rc1 b5+=) 12...Qa5–/+ 13.Qe2?? (better is 13.Nh4 Bg4 14.Qb1–/+) 13...Qc3–+ 14.0-0 Qa3 0–1. Njobvu,Ignatius (2190) – Salem,AR Saleh (2590), Tromso NOR, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 a5 8.b5 a4)

10.h3 Qa5 11.Be7+= Re8 (11...Rc8 12.g4 Be4 13.g5 Bf3 14.Qf3+=) 12.Bf6 Bf6 13.cd5 cd5 (13...cb5 14.Rc1+=) 14.Be2 Nd7 15.0-0 1–0. eggis49 (2255) – otsheljnik (2285), gameknot.com, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

10.h3 cb5!? A) 11.g4 Be4 (11...Bd7 12.cb5 Re8 13.Rc1 Qa5 14.Qe2=; 11...Bc8 12.cb5 b6 13.Rc1 Nbd7 14.Bd3+=; 11...b4 12.Bb4 Be4 13.Ne4 de4 14.g5=) 12.g5 Nfd7 13.cb5 Qa5 14.Be7=; B) 11.cb5 Nbd7 (11...Re8= 12.Be2 Ne4 13.Ne4 de4 14.Ne5=; 11...h6 12.Be2 b6 13.0-0 Nbd7 14.Nh4=; 11...Ra5 12.Rc1 Nbd7 13.Be2 Re8 14.Nh4+=) 12.g4 Be4 13.g5 Bf3 14.Qf3=.

10.h3 dc4 11.Bc4 cb5 (11...Ra5 12.Bb4 Ra8 13.Rc1 cb5 14.Bb5=; 11...Ne4 12.Ne4 Be4 13.0-0 cb5 14.Bb5=; 11...h6 12.Nh4 cb5 13.Nf5 gf5 14.Bb5+/–) 12.Bb5 Qa5 13.Be2 Nc6 14.0-0=.

10.h3 Ne4 A) 11.Ne4 Be4 12.Nd2 Qa5 13.Qc1 Re8 14.f3=; B) 11.Rc1 dc4 (11...cb5 12.cb5 Nd2 13.Qd2 Nd7 14.Nh4+=; 11...Re8 12.bc6 bc6 13.cd5 cd5 14.Ne4=; 11...Bf6 12.cd5 cd5 13.g4 Bd7 14.Ne4+/–) 12.Bc4 Qa5 13.Be2 Re8 14.bc6=; C) 11.cd5 cd5 (11...Nd2 12.Qd2 cd5 13.Rc1 Nd7 14.Be2+=) 12.Rc1 Nd7 13.Nh4 Be6 14.Bd3=.

10.h3 Re8 A) 11.Be2 cb5 12.cb5 Ne4 13.Ne4 de4 14.Ne5=; B) 11.Rc1 cb5 (11...Qa5 12.bc6 Nc6 13.cd5 Qd5 14.Bc4=; 11...Ne4 12.g4 Nd2 13.Nd2 Be6 14.Qf3=; 11...Nbd7 12.bc6 bc6 13.cd5 cd5 14.g4+=) 12.g4 Be4 13.cb5 Qa5 14.g5=; C) 11.cd5 cd5 12.Be2 Ne4 13.Ne4 de4 14.Ne5=.

10.Ba3 Bd7 11.bc6 Nc6 12.cd5 Nd5 13.Be2=.

10.Ba3 Nbd7 11.bc6+= bc6 12.cd5 cd5 13.Be2 (13.Bb5 Ra5 14.Qe2 Ne4+=) 13...Re8 (13...Ne4 14.Ne4 Be4 15.0-0+=) 14.0-0 (14.Bb5 Qb6 15.Bc6 Ra6=) 14...Qa5 15.h3 (15.Nh4 Be6+=) 15...h6 (15...Rab8 16.Nh4=) 16.Nh4+= Be6 17.Bd3 (17.Rc6 Nf8+=) 17...Rab8 18.Qe2 g5 (18...Qd8 19.Rc2+=) 19.Nf5 Bf5 20.Bf5 e6 21.Bd3 e5 22.de5 Ne5 23.Rc5 Qa7 (23...Qa8 24.Rfc1+=) 24.Rfc1 Bf8 (24...d4 25.Re5 Re5 26.Bd6+=) 25.Rc7 Qa5 (25...Qb6 26.Bf8 Kf8 27.R1c5+=) 26.Bf8 Rf8 (26...Rb2 27.R7c2 (27.Bh6 Rd2 28.R1c5 Re2 29.Ra5 Nd3–+) 27...Rc2 28.Bc2 Rf8 29.Rb1+/–) 27.Nf3+/– Nc4 (27...Nd3 28.Qd3 Ne4 29.Ne5+/–) 28.Rc6 Rb6 29.Rb6 Qb6 30.Bc4 Rc8 31.Nd2 dc4 32.Rc4 Rc4 33.Qc4 Qb2 34.Nf3 a3 (34...Qb1 35.Kh2 Qb8 36.g3+/–) 35.g4 Kg7 (35...Qb1 36.Kg2+/–) 36.Nd4 Qb1 37.Kg2 h5?? (better is 37...Qb7 38.f3 Qb2 39.Kg1 Qb1 40.Kf2 Qb2 41.Ke1 Qg2+/–) 38.Nf5+– Kf8 (38...Kg8 39.Nh6 Kh8 40.Nf7 Kg7 41.Nd6+–) 39.Qc8 (39.Qc5 Kg8 40.Qc8 Kh7+–) 39...Ne8 40.Qc5 Kg8 41.Qe7 (41.Qa3 Qe4 42.Kh2 hg4 43.Nh6 Kh7 44.Ng4 f5 45.Qa7 Kh8+/–) 41...Qa2 (41...Ng7 42.Qg5 Qb7 43.Kg3 f6 44.Qg7 Qg7 45.Ng7 hg4 46.Kg4 Kf7+–) 42.Qg5 Kf8 (42...Kh7 43.Qh6 Kg8 44.Ne7) 43.Qh6 (43.Qh6 Ng7 44.Qh8#) 1–0. Kovacevic,Vladimir – Jansa,Vlastimil, Zenica, 1986. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6 7.Nbd2 a5 8.b5 a4)

10.Ba3 Nbd7 11.Be2 Re8 12.0-0 e5 13.bc6 bc6 14.de5 Ne5 15.Ne5 Re5 16.Nf3 Re8 17.Nd4 Bd7 18.cd5 cd5 19.Nb5 Bb5 20.Bb5 Re6 21.Qd3 (21.Ba4 Rea6 22.Bc6 Ra3 23.Ba8 Qa8–/+) 21...Bf8 22.Bb2 a3 23.Bf6 Rf6 24.Bc6 Rb8 25.Bd5 (worse is 25.Qd5 Rd6 26.Qf3 Rb2+=) 25...Rfb6 26.Rfd1 Bd6 27.Bb3 Qe7 28.g3 Be5 29.Bd5 Bf6 30.Rc4 Rd8 31.Rdc1 Rbd6 32.Rc8 Kg7 33.Rd8 Rd8 34.Qb3 Bb2 35.Rc6 Rd7 36.Qb5 Rc7 37.Rb6 Qc5 38.Qc5 Rc5 39.e4 Rc7 40.Ra6 Rd7 41.Bb3 Re7 42.Kg2 Rd7 43.f4 Rd2 44.Kf3 Rd3 45.Ke2 Rd7 46.g4 Bc1 47.h4 Rd2 48.Ke1 Rg2 49.g5 Rg4 50.f5 gf5 (50...Re4? 51.Kd1 gf5 52.Kc1 Rh4 53.Rf6+–) 51.ef5 Rh4 52.Ra7 Bg5 53.Rf7 Kh6 54.Ra7 Re4 55.Kd1 Rd4 56.Kc2 Rd2 57.Kc3 Rf2 58.Be6 Bf6 59.Kd3 Rh2 60.Ke4 Bb2 61.Bg8 Kg5 62.Bh7 (62.Rh7 Rh7 63.Bh7 Bc3+/–) 62...Re2 63.Kf3 Re8 (63...Re1 64.Ra6 Ra1 65.f6 Rf1 66.Ke4 Rf4 67.Ke3 Rf6 68.Ra5 Kg4 69.Be4=) 64.Ra4 Rh8 65.Ra7 Rc8 66.Ra6 Rh8 67.Bg6 Rh1 68.Ra5 Kf6 69.Ke4 Re1 70.Kf4 Rf1 71.Ke4 Re1 72.Kd3 Ra1 73.Ra6 Kg5 74.Bf7 ½–½. Skomorokhin,Vadim (2380) – Gireman,Ja (2185), Golden Sands BUL, 2nd Grand Europe Open, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 a4 8.c4 c6)

10.Be2 dc4 11.Bc4 cb5 12.Bb5 Qb6 13.Qe2 Ra5 14.Rc5 Nbd7 15.Nc4 Qd8 16.Rf5 gf5 17.Bd7 Nd7 18.Na5 Qa5 19.Qd2 Qb5 20.Qe2 Qb4 21.Qd2 Qc4 22.Qc3 (22.Ba3!?=) 22...Qa2=+ 23.0-0 Nb6 24.Ra1 Qc4 25.Qa5 Qb3 26.Qf5 e6 27.Qb1 Nc4 Black intends a3 28.Bc1?? (28.Ra2 a3 29.Ng5 Ra8 30.Ra3 Na3 (30...Ra3?! 31.Qh7 Kf8 32.Ba3 Qa3 33.h4-/+) 31.Qh7 Kf8-+) 28...Qb1 (28...Qd1 29.Ne1 Qe1) 29.Rb1-/+ Ra8 (29...Rb8!?-/+) 30.Rb7=+ a3 31.Rb1 a2 32.Ra1 e5 (32...Bf8 33.Ne5 Ne5 34.de5-/+) 33.Kf1=+ ed4 34.ed4 Nb6 (34...Ra4!?=) 35.Ke2+= Nd5 36.Bd2 Ra3 37.Kd1 Ra4 Attacks the isolani on d4 38.Kc2 Bd4 (38...Ra3!?+=) 39.Nd4+/- Rd4 40.Ra2 Rc4 41.Kd3 Rg4 42.Ra5 Nf4 43.Bf4 Rf4 44.f3 Rb4 45.Rg5 Kf8 46.Ke3 h6 47.Rg4 Rb2 48.Kf4 Rb5 49.Kg3 Ra5 50.Kh4 Rb5 51.Re4 Kg7 52.g3 Rb2 53.Kh3 Rf2 54.Rg4 Kh7 55.Rf4 Kg6 56.g4 Ra2 57.Kg3 Ra1 58.h4 Rg1 59.Kf2 Ra1 60.h5 Kg7 61.Rf5 Ra2 62.Kg3 Ra3 63.Re5 Rb3 64.Kf4 Ra3 65.Re3 Ra4 66.Kf5 Ra5 67.Re5 Ra3 68.f4 Rf3 69.Re2 Rf1 70.Rg2 White prepares g5 70...Rf3 71.g5 hg5 72.Kg5 Rf1 (72...Rh3+-) 73.h6 Kh7 74.f5 Ra1 75.Kf6 Ra6 (75...Ra5 76.Re2+-) 76.Kf7 Ra7 77.Kf6 Ra6 78.Kg5 (78.Ke5 Ra5 79.Kf4 Kh6+-) 78...Rh6 79.Re2 (79.Kf4!? Rb6+-) 79...Ra6 80.Re7 Kg8 81.f6 Ra1 ½-½. Aronian,L (2765) - Yu Yangyi (2750), Saint Louis Blitz, 2019. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.d4 g6 5.b4 Bg7 6.Bb2 0-0 7.Nbd2 a5 8.b5 a4)

10.Be2 dc4 11.bc6 Nc6 12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Be4 (14...Qd5 15.a3=) 15.0-0 (15.f3 Bd5=) 15...Qd5= 16.Rc5 Qa2 17.Rb5 Bd5 18.Bd3 Bb3 19.Qb1 (19.Qc1 a3 20.Bc3 Ba4+/-) 19...Qb1 (19...a3!? 20.Qa2 Ba2=+) 20.Rb1= Rfb8 21.Rb8 Rb8 22.Nc6 Rb7 (22...Re8!?=) 23.Ba3 Bf8 (23...Nd5 24.Na5 Rc7 25.Nb3+/-) 24.Na5+/- Rb8 25.Bc2! e6 (25...Bc2 26.Rb2 Double attack (26.Rb8 Pinning; 26.Rb8 Deflection; 26.Rb2 Decoy)) 26.Bf8 Kf8 27.Nb3 (worse 27.Bb3 Rb5=+) 27...ab3 28.Rb3 Rb3 29.Bb3 Ke7 30.f3 Kd6 31.Kf2 h6 32.e4 Ke7 33.Ke3 Nd7 34.f4 h5 35.g3 Nf6 36.h3 Nd7 37.Kd3 Nb6 38.Kc3 Nc8 39.e5 Nb6 40.Kb4 Nd7 41.Kb5 Nf8 42.Kc6 Nh7 43.Bc2 Nf8 44.Kc7 Nd7 45.g4 hg4 46.hg4 Nf8 47.Bd3 Nh7 48.Kc6 Nf8 49.Bb1 Nh7 50.Bc2 Nf8 51.Bb3 Nh7 52.Kc7 Nf8 53.f5! gf5 (53...ef5 54.d5 Passed pawn; 53...gf5 54.gf5 Combination) 54.gf5 Nh7 55.f6 Ke8 56.Ba4 Kf8 57.Bc6 Ng5 58.Bg2 Ke8 59.Kd6 Nh7 60.Kc5 Ng5 61.Kc4 Kd7 62.Kd3 Nh7 63.Ke3 Ke8 (63...Kc7 64.Bf3 Kd8 65.Kf4+-) 64.Kf4 Kf8 (64...Kd8 65.Be4 Nf8 66.Kg5+-) 65.Be4 Kg8 66.Bh7 Kh7 67.Ke4 Kg6 68.d5 ed5 69.Kd5 Kh7 70.e6 (70.e6 fe6 71.Ke6 Kh8 72.f7 Kg7 73.Ke7 Kg6 74.f8Q Kh5 75.Qf4 Kg6 76.Qg4 Kh6 77.Kf6 Kh7 78.Qg7) 1-0. Akdogan,Alperen (2200) - Ihnat,Marek (1970), 29th EY Open U18, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 a4)

9.cb5 Bd7 10.Bd3+= Qb6 11.Ba3 Bb5?? (better is 11...Re8+=) 12.Rb1+– Ba4 (12...Nc6 13.Rb5 Qc7 14.0-0+–) 13.Qa4 Qc7 14.0-0 Nc6 15.Rfc1 Ne4 (15...Rfc8+–) 16.Ne4 de4 17.Be4 Rfc8 (17...Kh8 18.d5 f5 19.dc6+–) 18.d5 b5 (18...Rab8 19.dc6 bc6 20.Rb8 Rb8 21.Rc6+–) 19.Rb5 1–0. Janek – zandar, internet, 2017.

9.cb5 Nbd7 10.a4 Nb6 11.Bd3 Bf5 12.Bf5 gf5 13.Ne5 Ne4 14.Ndf3 f6 15.Nd3 Nc4 16.Bc1 e5 17.Nh4 Qc8 18.Qh5 (18.0-0 Qe6+=) 18...Ncd6 (18...Ne3!? 19.Be3 Qc3 20.Ke2 Qc2 21.Ke1 Qd3 22.Nf5 Rf7=) 19.0-0+= Qc2 20.Nc5 Nc3 21.Ne6 Qe2 (21...Rfe8 22.de5 Re6 23.ed6 Rd6 24.Nf5 Rd7+–) 22.f3+– (worse is 22.Ng7 Kg7 23.Nf5 Kh8+=) 22...Rfc8? (22...Na2 23.e4 Nc1 24.Rac1 fe4+–) 23.Nf5 Nf5 24.Qf5 Nd1 25.Qg4 (25.Ng7 Rc1 26.Qe6 Kg7 27.Qg4 Kf8–+) 25...Kf7 26.Ng7 Rc1 27.Rc1?? (better is 27.Qd7 Kg6 28.Nf5 (28.Rc1?? Qe3 29.Kh1 Nf2 30.Kg1 Nh3 31.Kh1 Qg1 32.Rg1 Nf2) 28...Qf1 29.Kf1 Ne3 30.Ke2 Ra1 31.Ke3 Ra3 32.Kf2+–) 27...Qe3 28.Rf2 Qf2 (28...Qf2 29.Kh1 Qf1) 0–1. Lebed,Petr – Maliszewski,Konstantin (2350), Kiev Independence Cup op, 1998. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 a5 8.b5 cb5)

9.cb5 Nbd7 10.Bd3 a4 11.a3 Nb6 12.Rc1 Bf5 13.Bf5 gf5 14.Qe2 Ne4 15.0-0 Qd6 16.Rc2 Rfc8 17.Rfc1 e6 18.Ne5 Rc2 19.Rc2 Rc8 (19...Nd2 20.Qd2 f6 21.Nd3=) 20.Rc8+= Nc8 21.Nd3 Nb6 22.f3 (22.Ne4!? fe4 23.Nc5=) 22...Nd2=+ 23.Qd2 Nc4 24.Qc2 Ne3 25.Qa4 Qb6 (better 25...Nc4!? 26.Qa8 Qf8-/+) 26.Qa8+= Bf8 27.a4 Kg7 28.Bc3 (28.Nc5 Nd1 29.Qf8 Kf8 30.Nd7 Ke7 31.Nb6 Nb2 32.a5+/-) 28...Nc2?? (better 28...Qc7 29.Nc5 Bd6-/+) 29.Nc5+/- Bd6 (better 29...Be7!? 30.Qb7 Qb7 31.Nb7 Bf6+-) 30.Qb7+- Qd8?? (30...Qb7 31.Nb7 Bf4+-) 31.Ne6 Kf6 32.Nd8 (32.Nd8 Kg5 33.Qf7 Nd4 34.Qg7 Kh5 35.g4 fg4 36.Qg4 Kh6 37.Nf7) 1-0. opperwezen (2690) - AFunder (2695), lichess.org, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 c6 7.c4 a5 8.b5)

9.cb5 Nbd7 10.Bd3 Ne8 11.Ba3 Nb6 12.0-0 Nd6 13.Rc1 Bf5 (13...Bg4 14.h3 Be6 15.Bd6 Qd6 16.Nb3=) 14.Bd6+/– Qd6 15.Bf5 gf5 16.Qc2 e6 (16...f4 17.Qc7+/–) 17.Qc7+/– Qc7 18.Rc7 Rab8 19.Rfc1 (19.Nb3 Nc4+=) 19...a4+= 20.Ne1 (20.Kf1 Rfc8+=) 20...Rfc8 21.Nd3 Bf8 22.Kf1 Rc7 23.Rc7 Bd6 24.Rc1 Ra8 (worse is 24...Bh2 25.g3+–) 25.Nc5 Ra7 (25...Rc8 26.Rc3+=) 26.Ke2 Kf8 27.Nb1 (27.h3 Ke7+=) 27...Ke7= 28.Nc3 Bc5 29.dc5 Nd7 (29...Nc4 30.Rd1+=) 30.c6 Nb6 31.Nb1 (31.Ke1 Kd6+=) 31...Kd6 (31...bc6!? 32.Rc6 Nc4+=) 32.Na3+/– Kc7 33.Kd3 Ra8 34.Kd4 Ra5 (34...Rg8 35.g3+/–) 35.cb7 (35.h3 bc6 36.Rc6 Kb7+/–) 35...Kb7 36.h4 (36.Ke5 Nc8+/–) 36...Nd7+= 37.g3 Ra8 38.Rc6 (38.Rc2 Rg8+=) 38...Ra5 (38...Rg8 39.Rc2=) 39.Rc2+= Ra8 40.Nb1 Rg8 41.Rc6 (41.Rb2 Kb6=) 41...Nb8 (41...Rg4!? 42.f4 Rg3+=) 42.Rc1= Nd7 43.Rc6 (43.Kd3!?=) 43...Rg4+= 44.f4 Rg3 45.Nc3 (45.Rd6 Nf6+=) 45...Nb8–/+ 46.Rc5 Rg2 47.Kd3 Nd7 48.Rc6 Nb8 49.Rc5 Nd7 50.Rc6 a3 51.Na4 Ra2 52.Rd6 Kc7 53.Rc6 Kb7 54.Rd6 Nb8 55.Rd8 Rg2 56.Rf8 a2 57.Rf7 Nd7!! (57...Nd7 58.Rd7 Kb8 59.Rd8 Kc7–+) 0–1. Kortschnoj,Victor (2630) – Rogers,Ian (2535), Novi Sad olm, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 a5 8.b5)

9.cb5 Bg4 10.a4 b6 11.Be2 Nbd7 12.0-0 (12.h3 Bf3 13.Nf3 Rc8+=) 12...Ne4 (12...Rc8 13.h3 Bf5 14.Qb3+=) 13.Rc1 Rc8 14.Re1 (14.Rc6 Nb8 15.Rc8 Qc8=) 14...e6 (14...Ndf6 15.Rc8 Qc8 16.Ne5 Be2 17.Re2=) 15.Rc6 Rc6 16.bc6 Nd2 17.Nd2 (17.cd7 Nf3 18.gf3 Bh3+=) 17...Be2 18.Qe2 (18.Re2 Nb8+=) 18...Nf6? (better is 18...Nb8=) 19.Ba3+– Re8 20.Qb5 (20.Rb1 Qc7 21.Qb5 Bf8 22.Bf8 Kf8 23.Qb6 Rc8 24.Qc5 Kg7+–) 20...Qc7 (20...Bf8 21.Bf8 Kf8 22.Rb1+/–) 21.Rb1 Rc8 22.Qb6 Ne8 (22...Qb6 23.Rb6 Bf8 24.Bf8 Kf8 25.Nb3+/–) 23.Bc5 (better is 23.Qc5!? f6 24.Rb6+–) 23...Bf8+/– 24.Bf8 Kf8 25.Qc5 Kg7 26.Rb6+– Qd6 27.Nb3 Qc5 28.dc5 Nc7 29.f4 Ra8 30.Rb7 Na6 31.Kf1 Rc8 32.Rb6 Ra8 33.Ke2 (33.Ke2 Kf6 34.Rb5+–) 1–0. Duerr,Hanno (1835) – Wieser,Franz (1730), Wuerttemberg–ch Seniors, 2001. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 a5 8.b5 cb5)

9.cb5 Bg4 10.a4 Bf5 11.h3=.

9.cb5 Bg4 10.Bd3 Nbd7 11.0-0 Qb6 12.h3 ½–½. Vallejo Pons,Francisco (2675) – Wen,Yang (2605), Aeroflot Open A, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 cb5)

9.cb5 Bg4 10.Be2 Nbd7 11.0-0 Nb6 12.h3 Bf3 (12...Be6 13.Rc1=) 13.Nf3 (13.Bf3 Rc8=) 13...Qd6= 14.Qb3 Rfc8 15.Rfc1 e6 (15...Ne4 16.Ne5=) 16.Rc8 (16.Ba3 Qd8=) 16...Rc8= 17.Rc1 Rc1 18.Bc1 Qc7 19.Bd2 Nbd7 (19...Nc4 20.Qc2 Ne8 21.Bc1=) 20.b6 (20.Qc3 Qc3 21.Bc3 a4+=) 20...Qb6= 21.Qb6 Nb6 22.Ba5 Nc8 (22...Nc4!? 23.Bb4 Ne4=) 23.Ne5+/– Nd6 24.g4 g5 (24...b5 25.Nc6+=) 25.Kg2 h6 26.Bd3 Nfe8 (26...Bf8 27.Bc3+/–) 27.Nd7 (27.a4 Be5 28.de5 Nc4+=) 27...Nf6 28.Nc5 (28.Nb6 Bf8+/–) 28...Nfe8 (28...b5 29.Be1+/–) 29.a4 Bf6 30.Kf1 Be7 (30...Kf8 31.Bb4 Be7 32.a5+/–) 31.Ke2 Kg7 (31...Nf6 32.f3 h5 33.Kd2+/–) 32.f3 Bf6 33.Be1 (33.Bb4 Kg8+–) 33...b6 34.Nd7 Bd8 35.Bb4 Bc7 (35...f6 36.e4+/–) 36.e4+– f6 37.Ke3 (37.e5!? Nf7+–) 37...Kf7+/– 38.e5 fe5 39.de5 Nc8 40.f4 gf4 41.Kf4 Ne7 42.h4?? (better is 42.Bc3+/–) 42...Nc6+= 43.Ba3 Nf6 44.Nf6 Be5 45.Kf3 Bf6 46.Kg3 Ne5 (46...Bc3 47.Bc1+=) 47.Bb5 Ng6 48.h5 Ne5 (48...Ne7 49.Bd6=) 49.Bd6= Nc4 50.Bc4 dc4 51.Kf3 Bd4 52.Bf4 Kg7 53.Ke4 e5 54.Bc1 (54.Be5 Be5 Combination) 54...Kh7 55.Kd5 ½–½. Mirzoev,Azer – Azaladze,Shota, 1st Turkish Chess League – Teams, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 cb5)

10.Ba3 Nbd7 11.Be2 Re8 12.0-0 Nb6 13.Rc1 Bf5 14.Ne5 Ne4 15.Ne4 Be4 (15...de4 16.Re1+=) 16.Qd2 Bf5 17.Bd3 (17.Rc3!?+=) 17...Bd3 18.Qd3 f6 19.Nf3 Nc4 20.Nd2 Na3 21.Qa3 Qa5 22.Nb1 (22.Qd3!?=) 22...Qb5=+ 23.Nc3 Qd7 24.Rb1 e5 (24...Rec8 25.Rb6-/+) 25.Qc5 (25.Rfd1 ed4 26.Rd4 f5 27.Rd5 Qc6=) 25...Red8=+ 26.Qb5 (26.Rfd1!? Bf8 27.Qb5=+) 26...ed4-/+ 27.ed4 f5 28.Rfd1 Rac8 29.Na4 Rc4?? The isolani on d4 becomes a target (better 29...Qb5 30.Rb5 Bd4=+) 30.Qd7+/- Rd7 31.Nc5?? (better 31.Nb6 Rdc7 32.Nc4 dc4 33.d5+/-) 31...Rc7 (31...Re7 32.Nb7 Rd4 33.Nd6=+) 32.Ne6= Re7 33.Ng7 Kg7 34.Kf1 Rc2 35.Re1 Re1 36.Ke1 Ra2 37.Rb7 Kf6 38.Rb6 Kg5 39.Rd6 Ra1 40.Ke2 Ra2 41.Kf3 Ra3 42.Ke2 Ra2 43.Kf3 Ra3 44.Ke2 Ra2 ½-½. Injac,Teodora (2280) - Heinemann,Josefine (2315), World Blitz Women, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 a5 7.b5 c6 8.c4)

10.Ba3 Nbd7 11.Be2 Re8 12.0-0 e5 (12...Ne4 13.Rc1+=) 13.Ne5 (13.de5 Ne5 14.Ne5 Re5+=) 13...Ne5 14.de5 Re5 15.Bb2 Re8 16.Nf3 (16.Rc1 Bf5+=) 16...Bd7 (16...Bg4 17.Bd4+=) 17.Rc1 Qb6 (17...Bf5 18.a3+=) 18.Bd4 Qa5 (18...Qd6 19.Bc5 Qe6 20.a3+=) 19.Ne5 (19.Bf6 Bf6 20.Qd5 Be6 21.Qb7 Ba2+/–) 19...Bb5 20.Bb5 Qb5 21.Rb1 Qa5 (21...Qa6 22.Rb6 Qb6 23.Bb6 Re5 24.Bd4+/–) 22.Rb7 Qa6 23.Rf7 Ne4 24.Rg7 (24.f4 Qe6 25.f5 gf5 26.R1f5 Re7+–) 24...Kg7 25.Ba1 (25.f3 Ng5+/–) 25...Qe6+= 26.Qd4 (26.f3 Nd6+=) 26...Kf8+/– 27.Ng4! Ke7 (27...Qg4 28.Qg7) 28.f3 Nd6 29.Nf6 Nf5 30.Qc5 Kf7 31.e4 (worse is 31.Ne8 Re8 32.Re1 Qd6+/–) 31...Rec8 32.ef5 Rc5 33.fe6 Ke6 34.Re1 (34.Nh7 Kd6 35.f4 Rc2 36.Be5 Kc5+–) 34...Kf7 35.Nh7 Rc2 (35...Rac8!? 36.Kf1 Rc1 37.Ng5 Kg8 38.Be5 Re1 39.Ke1+/–) 36.Ng5+– Kg8 37.a3 Rac8 38.Bf6 (38.Be5 Ra2 39.Bd6 d4+–) 38...Rc1 39.Rc1 Rc1 40.Kf2 Rc2 41.Kg3 Ra2 42.Be7 d4 43.Bb4 Rb2 (43...d3 44.Ne4 Re2 45.h3+–) 44.Ne4 Kf7 (44...d3 45.Nd2+–) 45.Nc5 Rc2 46.h4 (46.f4 Re2+–) 46...Kf6 47.Na4 (47.f4 Re2+–) 47...d3 48.Nc3 Ke5 49.Ne4 Kd4 50.Bd2 (50.Kh3 Ke3+–) 50...Ra2 51.Kf4 Ra3 52.Kg5 (52.Be3!? Kd5+–) 52...Ra6 53.g4 White intends h5 53...Rb6 54.h5 gh5 55.gh5 Rb5 56.Kg4 (56.Kg6 Rb6 57.Nf6 Rb8+–) 56...Rb1 (56...Rb7+–) 57.h6 Rh1 58.Kg3 (58.Ng3 Ra1 59.h7 Ra8+–) 58...Ke5 (58...Kc4 59.Kg2 Ra1 60.h7+–) 59.Kg2 (better is 59.Nf2!? Rg1 60.Kh2 Rg8+–) 59...Rh5 60.Be3 1–0. Beradze,Irakli (2450) – Gavasheli,Ana (2245), Gaprindashvili Cup, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 cb5 9.cb5 a4)

10.Ba3 Re8 11.Be2 Ne4 12.Rc1 Qa5 13.Qc2 Bf5 14.Qb2 Nd7 15.0-0 e5 16.Rfd1 Rad8 17.Nf1 (17.Ne4 Be4 18.Bd6 ed4 19.Nd4 Rc8+=) 17...Bg4= 18.Qb4 Qb4 19.Bb4 Bf3 (19...Ng5 20.de5 Ne5 21.Nd4 (worse 21.Ng5 Be2 22.Rd2 Bb5-+) 21...Be2 22.Ne2=) 20.gf3+= Ng5 (20...Nef6 21.de5 Re5 22.Rc7+=) 21.de5+/- Re5 22.Ng3 Ree8 23.Rd5 Ne6 24.Rcd1 Nf6 25.Rd8 Nd8 26.Ne4! Ne4 27.fe4 Ne6 28.Rd7 Rc8 29.Rb7 Rc2 30.Rb8 Bf8 (30...Nf8 31.Bf1+-) 31.b6 Kg7 32.Bf8 Nf8 33.Bb5 Rb2 34.Ba4 Ra2 (34...Ne6 35.Bb3 Nc5 36.b7+-) 35.Bc6 Rb2 36.b7 Rb6 37.Rd8 1-0. Botta,Alejandro (2155) - Padmanabhan,Karthik (1875), 48th Continental Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5)

10.Ba3 Re8 11.Be2 Bf5 12.0-0 Nbd7 13.Nh4 Be6 14.Rc1 Qa5 15.Qc2 Nb6 16.Qb2 Ne4 17.Nhf3 Nd6 (17...Nd2!? 18.Nd2 Bf5+=) 18.Bb4+/- Qa7 19.Bd6 ed6 20.a3 Rac8 21.Rc8 Rc8 22.Rc1 Qa5 23.Rc8 Nc8 24.Nb1 Nb6 25.Qc3 Qa8 (25...Qc3!? 26.Nc3 Nc4+=) 26.Qc7 Nc4 27.Nfd2 Bf8 28.Kf1 b6 29.Bc4 dc4 30.Qb6 (30.Nc4?! Qd5 31.Nbd2 Qb5=+) 30...Qd5 31.Nc3 Qf5 32.Nde4 d6 becomes a target (32.Qa5!? Qc2 33.Nf3+=) 32...d5= 33.Qc7?? (better 33.Ng3 Qc2 34.Nge2=) 33...de4-+ 34.b6 Qa5 (34...Qa5 35.Ne4 Bf5-/+; 34...Ba3?? 35.b7+-) 0-1. Botta,Alejandro (2155) - Corrales Jimenez,F (2540), 48th Continental Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5)

10.Ba3 Bf5 11.Be2 Ne4 12.Ne4 ½–½. Behrmann,Joachim (2200) – Giemsa,Stephan (2305), Berlin Lichtenrade op, 2009. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 c6 5.Bb2 d5 6.e3 0-0 7.Nbd2 a5 8.b5 cb5)

10.Ba3 Bf5 11.Nh4 Bg4 12.Be2 Be2 13.Qe2 Nbd7 14.0-0 Re8 15.Nhf3 e6 16.Rfc1 Qa5 17.Rc2 Rec8 18.Rac1 Nb6 19.Qd3 Nfd7 20.Bc5 Nc4 21.Nc4 dc4 22.Rc4 Qb5 23.Ba3 Rc4 24.Qc4 Qc4 25.Rc4 b5 (25...Nf6 26.Rc7+=) 26.Rc7+/- Nb6 27.Ng5 (27.Rb7 Nd5 28.Rb5 Rc8+/-) 27...Rc8+= 28.Rb7 (28.Rc8 Nc8 29.Bc5 Bf8=) 28...Nc4 (better 28...Bf8!? 29.Bc5 Bc5 30.dc5 Rc5=+) 29.Bc5+/- Bf8 30.Rb5 (worse 30.Rf7 Bc5 31.dc5 h6-/+) 30...Na3 31.Ra5 Bc5 32.dc5 Nc4 33.Ra4 Rc5 34.Ne4 Rc7 (34...Rc6 35.h4+/-) 35.h4 (35.Nf6!? Kf8 36.g4 Ke7 37.Nh7 Nb2+-) 35...Kg7+/- 36.Rb4 Ne5 37.a4 Rc1 38.Kh2 Rc2 39.Kg3 Nd3 (39...Nc4 40.Rb5 Ra2 41.Nc5+/-) 40.Rb7 Ne5 41.Ng5 h6 (better 41...Rc6+-) 42.Ne6 Kf6 43.Nd4 (better 43.Rc7!? Ra2 44.Nc5 g5+-) 43...Ra2 44.Rb6 Kg7 45.Ra6 Nd3 46.Ra7 Nf2 47.Ne6 Kf6 48.Nd8 Ne4 49.Kf3 Nd6 (49...Nd2 50.Kf4 g5 51.Kg4+/-) 50.Ra6 Ke7 51.Nc6 Kf8 (51...Ke6 52.a5+/-) 52.Nd4 (52.e4 Nc4+-) 52...Nc4+/- 53.Ke4 (53.h5 Ra3+/-) 53...Ra3 The isolani on e3 becomes a target (better 53...Rg2!? 54.h5 Rg4 55.Kf3 gh5=) 54.Nb5 Re3? (better 54...Rb3+/-) 55.Kd4+- Re2 56.Kc4 Rg2 57.Ra7 Rg4 58.Kd5 Rh4 59.a5 Ra4 (59...Rh5 60.Kc6 Rh1 61.a6+-) 60.Nd6 h5 61.Rf7 Kg8 62.Ra7 h4 63.Ne4 h3 (63...Ra1 64.Ng5 Rg1+-) 64.Nf6 Kf8 65.Ke6 (65.Ke6 Re4 66.Ne4 h2 67.Nf6 h1Q 68.Rf7) 1-0. Xiong,Jeffery (2675) - Gledura,B (2645), chess.com Junior Speed, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5)

10.Rc1 Bf5 11.Be2 Qd6 Black intends a3 12.0-0 Nbd7 13.Rc3 a3 14.Ba1 Nb6 15.Qb3 Na4 16.Rcc1 Nd7 17.Nh4 Be6 18.f4 Ndb6 19.Nhf3 f6 (19...Nb2 20.Bb2 ab2 21.Qb2+=) 20.Nb1 (20.Rc2!?=) 20...Nc4+= 21.e4 Nab6 (21...Rfc8 22.e5 Qd7 23.Na3 fe5 24.fe5–/+) 22.ed5= Na5 (22...Qd5? 23.Rc4 Nc4 24.Nc3+–) 23.Qa3 Qa3 (worse is 23...Bd5 24.Qd6 ed6 25.Nc3+=; worse is 23...Qd5 24.Qe7 Rf7 25.Qc5+=) 24.Na3 Bd5 25.Rc2 Rfc8 26.Rfc1 Rc2 27.Rc2 e6 (27...Bf8 28.Bc3=) 28.Nd2+= Bf8 29.Nab1 Nb3 30.ab3 Ra1 31.Kf2 Bd6 (31...Bh6 32.g3+=) 32.g3 Kf7 33.Nc3 Bb4 34.Nd5 Nd5 35.Ne4 Ke7 36.Bc4 Rh1 (36...b6 37.Re2+=) 37.Kf3+/– Rd1 38.Bd5 (38.Ra2 Re1 39.Nf2 Kd7+/–) 38...ed5+= 39.Nf2 (39.Rc7 Kd8 40.Nf2 Rb1 41.Rh7 Rb3 42.Ke2 Rb2 43.Ke3 Bd2 44.Kf3 Rb5+=) 39...Rb1= 40.Rc7 Kd6 41.Rb7 Rb3 42.Ke2 Bc3 43.Rh7 Bd4 44.Nd3 Rb5 45.Rh6 Ra5 46.Nc1 Bb2 47.Nb3 Rb5 48.Nd2 Bc3 49.Nf3 (worse is 49.Rg6 Rb2 50.Kd3 Bd2 (worse is 50...Rd2 51.Kc3 Rh2 52.Rf6 Kc5 53.Rf8+=) 51.Rf6 Kc5–/+) 49...Kc5 50.Kd3 Rb3 51.Rg6 Bd4 52.Ke2 Rb2 53.Ke1 Rb1 54.Kd2 Rb2 55.Kc1 (55.Kd3 Rb3 56.Ke2 Rb2 57.Kd3 Rb3=) 55...Rf2 (55...Bc3!? 56.Rg8 Rf2–/+) 56.Nd4= Kd4 57.Rf6 Rh2 58.g4 Rg2 59.g5 Ke4 60.g6 d4 61.f5 d3 (61...Rg1 62.Kc2 d3 63.Kc3=) 62.Rf7 (62.Rf8 Kf4 63.Kd1+–) 62...Ke3= Black prepares d2 63.Rd7 Ke4 64.Rf7 Ke3 65.Rf8 Rg1 66.Kb2 d2 67.Rd8 Ke4 68.f6 Rg6 69.f7 Rf6 70.Re8 Kd3 71.f8Q Rf8 72.Rf8 d1Q 73.Rd8 Ke2 74.Rd1 Kd1 ½–½. Brown,Michael William – Liang,Awonder, US Junior Closed, 2016. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 c6 6.e3 d5 7.Nbd2 a5 8.b5 cb5 9.cb5 a4)

10.Rc1 Bf5 11.Be2 Nbd7 12.0-0 Nb6 13.Ba3 Re8 14.Nh4 Be6 15.Nhf3 Bf5 16.Nh4 Be6 17.Nhf3 Bf5 ½–½. Fernandez Rivero,Karla July (2020) – Roca Rojas,A (2240), 24th Guillermo Garcia Open, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 cb5 9.cb5 a4)

10.Rc1 Bf5= 11.Be2 Nbd7 12.0-0 Ne8 13.Nh4 Be6 14.Qc2 Nd6 15.Ba3 Nb6 16.Nhf3 Bf6 17.h3 Qb8 18.Bc5 Rc8 19.Qb1 Nd7 (19...Qc7 20.Ne5=) 20.Bb4 Qa7 21.Rc8 Rc8 22.Rc1 Qb6 (better is 22...Qb8!?=) 23.Rc8+/– Nc8 24.Qc2 Nd6 25.Qa4 Kg7 (25...Qc7 26.Qa3+/–) 26.Qa5 1–0. Jianu,Vlad Cristian (2575) – Cawdery,Daniel (2405), Iasi ROM, Open, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 a5 8.b5 cb5)

10.Rc1 Bg4 11.Be2 (11.Bd3 e6+=) 11...Nbd7 12.0-0 Nb6 13.Ba3 Ne8 14.Ne5 Nd6?? (14...Be2 15.Qe2 Nd6 16.Bb4=) 15.Bc5 (better is 15.Ng4 Re8+–) 15...f6?? (15...Be6 16.Bb4=) 16.Nd3?? (better is 16.Ng4 h5 17.Bd3+–) 16...e5?? (16...Be6 17.Nf4 Bf7 18.Bf3+/–) 17.Nb4 (better is 17.Bg4 Ra5 18.Be6 Kh8 19.Qg4 Rb5 20.Nf3+–) 17...Be6+= 18.de5 fe5 19.Nf3 Ndc4 20.Nd2 Nd2 (20...Nd6!?=) 21.Qd2+/– Nc4 22.Qd1 Rf7 23.e4 Nb2 (23...Nb6 24.Bb6 Qb6 25.Nd5 Bd5 26.Qd5+/–) 24.Qd2 (24.Qc2 a3 25.Qb3 Bf8 26.Nd5 Ra4+–) 24...Nc4+/– 25.Qd1 Nb2 26.Qd2 (26.Qc2 a3 27.ed5 Bf5+–) 26...Nc4+/– 27.Qd1 (better is 27.Qd3 Nb6 28.Bb6 Qb6 29.Nd5 Bd5 30.ed5+/–) 27...Nb2= ½–½. Cosma,Elena Luminita (2330) – Szczepkowska,Karina (2375), GER, Frauenbundesliga, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 a5 8.b5 cb5 9.cb5 a4)

10.Bd3 Qb6 11.Ba3 Re8 12.0-0 Bf5 13.Bf5 gf5 14.Qc2 e6 (14...Ne4 15.Rab1+=) 15.Rfc1 (15.Rab1 Nbd7+=) 15...Qb5+= 16.Rab1 Qa6 17.Qc7 (17.Qb2 Nbd7+=) 17...b5 18.h3 Ra7 (18...Nbd7 19.Rc6 Qa5 20.Qa5 Ra5 21.Rc7=) 19.Qf4 (19.Qg3 Rb7=) 19...Rb7 20.Ne5 Nbd7 21.Nd3 Ne4 22.Ne4 fe4 23.Nb4 Qb6 (23...Qa8 24.Nc6 Nb6 25.Ra1+= (25.Rb5?! Nc4 26.Rb7 Qb7+=)) 24.Nc6+= Nf8 25.Bb4 Ng6 26.Qg3 h5 (26...Bf6 27.a3+=) 27.Qg5+= h4 28.Qh5 (28.Rc3 Bf8 29.Rbc1 Kg7+=) 28...Rc8 29.Ne7 Ne7 30.Be7 Rc4 31.Rc4 dc4 32.Qh4 Qc6 33.Bc5 (33.a3 Rd7=) 33...Qd5 (33...e5 34.Qd8 Kh7 35.Qh4 Kg8 36.Qg5=) 34.a3+= c3 (better is 34...Rb8!?+=) 35.Rc1+/– e5 (35...Qc4!?+/–) 36.Rc3+– Rc7 37.Qg4 Rc6 (better is 37...Qa2 38.Rc1 ed4 39.ed4 Qd5+–) 38.Rc1 (better is 38.h4!?+–) 38...ed4+/– 39.ed4 Rg6 40.Qe2 f5 (40...Qg5 41.Qf1+/–) 41.Qb5 (better is 41.Qh5!? Rh6 42.Qe8 Kh7 43.Bf8 Bf8 44.Qf8+–) 41...e3+= 42.f3 Kh7 (42...Bd4 43.Qe8 Kh7 44.Bd4 Qd4 45.Rc7 Kh6 46.Qf8 Kg5 47.h4 Kh4 48.Rh7 Kg5 49.Qe7 Kf4 50.Qh4 Ke5 51.Re7 Kd6 52.Qd4 Ke7 53.Qe3 Re6 54.Qf4+–) 43.Qe2 (43.Qa4 Qf3 44.Rc2 e2 45.Re2 Qe2 46.Qa8 Bh6 47.Qb7 Rg7 48.Qg7 Kg7 49.Bd6 Be3 50.Kh2 Qe1 51.Be5 Kg6 52.a4 Bg1 53.Kh1 Bf2 54.Kh2 Qg1) 43...f4? (43...Bd4!? 44.Bd4 Qd4+=) 44.Rd1 (44.Rc4 Qf5+–) 44...Bf6 45.Bb4 Bh4 (45...Kg7 46.g4+/–) 46.g4 (46.Rc1 Kh6+/– (46...Qd4?? 47.Rc7 Rg7 48.Qc2 Kg8 49.Rc8 Bd8 50.Bc3+–)) 46...fg3 47.Qe3 g2 (better is 47...Bg5!? 48.Qe2 g2+/–) 48.Qe4+– Qh5 (48...Bg5 49.Bd2 (49.Qd5?! Be3 50.Kh2 Bf4 51.Kg1 Be3 52.Kh2 Bf4 53.Kg1 Be3=) 49...Qe4 50.fe4+–) 49.Rc1 Bg3?! (49...Qh6 50.f4 Qg7+–) 50.h4 (better is 50.f4 Qh6 51.Rc7 Kh8 52.Qe8 Rg8 53.Qe5 Rg7 54.Rg7 Qg7 55.Qg7 (worse is 55.Kg2 Bf4 56.Qg7 Kg7+–) 55...Kg7 56.Bd6+–) 50...Qh6= 51.Rb1 Bf4 52.Re1 Qh4 (52...Bg3 53.Qe7 Rg7 54.Qe4 Rg6 55.Qb7 Rg7 56.Qe4 Rg6=) 53.Qe7+= Qe7 54.Re7 (54.Be7 Kh6+=) 54...Kh6= 55.Re1 Kh5 56.d5?? (better is 56.Be7=) 56...Kh4–+ 57.Re4 Kg3 58.d6 Kf3?? (better is 58...Rg7 59.Rf4 Kf4–+) 59.Rf4= Kf4 60.d7 Rg8 61.Be7 Ke4 62.d8Q Rd8 63.Bd8 Kd5 64.Kg2 Kc6 65.Kf3 Kb7 66.Ke4 Ka8 ½–½. Ratkovic,Miloje (2385) – Grujic,Zoran (2320), Druga Liga Srbije Grupa Vojvodina, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 cb5 9.cb5 a4)

10.Bd3 Qd6+=.

10.Bd3+= Ne8 11.0-0 Nd6 12.Ba3 Bf5 13.Qb1 Re8 14.Rc1 e6 15.Ne1 (15.Ne5!?+=) 15...Bf8 16.Bf5 Nf5 (16...ef5 17.Nd3=) 17.Bf8+= Rf8 18.Qb4 Nd7 19.Nd3 Nb6 20.Rc3 Qd6 21.Nc5 Ra7 (21...Rfc8 22.Rac1+=) 22.Rac1+= Rfa8 23.Qb1 (23.g4 Nh4+=) 23...Qd8= 0–1. Javakhadze,Zurab (2425) – Bajarani,Ulvi (2485), Poti GEO, 9th Nana Aleksandria Cup, 2014. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 cb5 9.cb5 a4)

10.Bd3 Bf5 11.Qe2 Bd3 12.Qd3 Nbd7 13.0-0 Ne8 14.Rab1 Nb6 15.Ba3 Nd6 16.Bb4 (16.Rfc1 Nbc4= (16...Ndc4+=)) 16...Re8 (16...Qd7 17.Bc5 Nbc4 18.Rfc1=) 17.Rfc1+= e6 18.Ne5 Be5 19.de5 Ndc4 20.Nf3 Rc8 21.e4 (21.Qd4 Nd7=) 21...Qd7 22.ed5 Qd5 23.Qe2 Qd7 24.Ng5 Qd4 25.Bc3 Qf4= 26.Nh3 Qh4 27.Be1 Nd5 28.Rd1 Na3 29.Rbc1 Rc1 30.Rc1 h6 31.Kh1 Qd4 32.Bd2 Kg7 33.Ng1= Qb6 34.Qf3 Nb5+= 35.Rb1 Qc5 36.Qh3 Rh8 37.Qd3 Ndc7 38.Nf3 Qd5 39.Qc3?? Qa2 40.Rc1?? Nd5 41.Qc5 Qb3 42.Be1 a3 43.Nd2 Qd3 44.Kg1 Nbc3 45.Ra1 a2 46.Qa7 Nb4 47.Qb7 Nc2 48.Qe7 Nd5 (48...Nd5 49.Qa7 Na1 50.Qa2 Nc2–+) 0–1. Dobrzhanskaya,I (2085) – Gerber,Vl (2130), ch–Kyiv Men, Kyiv UKR, 2008. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d5 5.e3 a5 6.b5 0-0 7.Bb2 c6 8.Nbd2)

10.Be2 Bd7 11.Ne5 (11.0-0 Ne8+=) 11...Qa5 (11...Be6 12.0-0=) 12.Nd7 (12.Rc1 Be6 (12...Bb5? 13.Rc5+–) 13.Bc3 Qb6=) 12...Nbd7+= (worse is 12...Nfd7 13.Rc1+/–) 13.0-0 Rfe8 (13...a3 14.Bc1+=) 14.Rc1= Rac8 15.Rc2 (15.a3 Bf8=) 15...Nb6 (15...Bf8=) 16.Bd3 (better is 16.Rc5!?=) 16...Rc2+= 17.Bc2 (17.Qc2 Rc8 18.Qd1 Nc4 19.Nc4 dc4–/+) 17...Qb5–/+ 18.Ba3 Nfd7 (18...e6 19.Qb1 Qb1 20.Rb1–/+) 19.Qb1 Qa5 (19...Qb1 20.Rb1 Rc8 21.Bd1–/+) 20.Nf3 (20.Bb4 Qa6+=) 20...e5–/+ 21.Qb4 (21.Bb4 Qa6–/+) 21...Qb4 22.Bb4 Rc8 23.Bb1 (23.Rc1 ed4 24.Nd4 Rc4–/+) 23...e4–+ 24.Nd2 Bf8 25.Bf8 Kf8 26.f3 ef3 27.Nf3 (27.gf3 Nb8–+) 27...h6 (27...f5 28.Kf2–+) 28.Kf2 (28.e4 Rc3–/+) 28...Nc4 29.Re1 (29.Rc1 Nf6 30.Ne5 b5–/+) 29...Nf6–+ 30.e4 de4 31.Be4 Ne4 32.Re4 Nd6 (32...b5 33.Ne5–+) 33.Re2 Rc4 (33...b5 34.Ke1–+) 34.Ke3–/+ b5 35.Kd3 Rc1 (35...b4 36.Rc2 Rc2 37.Kc2–/+) 36.Kd2 (36.Rb2 Ke7–/+) 36...Rc7 37.Ne5 Nf5 (37...Kg7 38.Kd3–/+) 38.Kd3 (38.d5 h5–/+) 38...Rc1 (38...Kg7 39.d5 Rc5 40.Ke4–/+) 39.Rc2 (39.g4 Nd6–/+) 39...Rc2 (39...Rc2 40.Kc2 Ke7–/+) 0–1. Fastovets,Arsen – Fediv,Alexandr (2245), 29th Mukachevo Rating, 2016. (=1.Nf3 g6 2.b4 Bg7 3.d4 d5 4.Bb2 Nf6 5.e3 0-0 6.Nbd2 c6 7.c4 a5 8.b5 cb5 9.cb5 a4)

10.Be2 Nbd7 11.0-0 Nb6 12.Ba3 Re8 13.Rc1 Bf5 14.h3 (14.Nh4 Bc8+=) 14...Nc8 (14...Rc8 15.Nh4=) 15.Nh4 (15.Bb4 Nd6+=) 15...Bd7= 16.Qc2 Nd6 (16...Nb6 17.Nhf3=) 17.Bd6 ed6 18.Qc7 Qe7 19.Nhf3 (19.Qb6 Ne4 20.Nhf3 Bh6+=) 19...b6 20.Qb6 (20.Qc3 Ne4 21.Qb2 Rac8+=) 20...Reb8= 21.Qc7 Rc8 22.Qb7 Rcb8 23.Qc7 Rc8 24.Qb7 Rcb8 ½–½. Novkovic,Milan (2375) – Votava,Jan (2520), 2rd Austrian Championship West, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 cb5 9.cb5 a4)

10.Be2 Nbd7 11.Rc1 Nb6 12.Ba3 Re8 13.0-0 Bf5 14.Nh4 Be6 15.Bd3 Rf8 16.Nhf3 Ne8 17.Bc5 Nd6 18.Qc2 Bf6 19.Qb1 Nbc8 20.Qb2 Bf5 21.Be2 Bd7 22.Ne5 Qe8 23.Nd7 Qd7 24.b6 e6 25.Qb4 Be7 26.Bd3 f5 27.Nf3 Qd8 28.Ne5 Nf7 29.Be7 Ne7 30.Rc7 Ne5 31.de5 Nc6 32.Qd6 Qd6 33.ed6 Ne5 34.Be2 Rfd8 35.Rb7 Rd6 36.Rc1 Nc4 37.Bc4 dc4 38.Kf1 Rc8 39.Rb1+/– c3 40.Rc7+– Rdd8 41.Rc1 Rc7+/– 42.bc7 Rc8 43.Rc3 Kf8 44.Ke2 Ke7 45.Kd3 Kd6 46.Rc4 e5 47.Kc3 g5 48.Kb4 Kd5 49.Rc3 e4? 50.Ka4 f4? 51.g3 1–0. Swapnil,SD (2455) – Agaragimov,D (2300), ch–Commonwealth, Delhi IND, 2010. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5)

10.Be2 Bf5 11.Ba3=.

10.Ba3 Nbd7 11.Be2 Re8 12.0-0 e5 13.Ne5 Ne5 14.de5 Re5 15.Nf3 Re8 16.Bb2 Qd6 17.Rc1 Ne4 (17...Rac8 18.Rc8 Rc8 19.Nd4+=) 18.Bg7+/– Kg7 19.Nd4 Bd7 20.Bf3 Ng5 21.Qb3 Nf3 22.Nf3 Rec8 23.h3 Kg8 24.Nd4 Be6 25.Qa4 Rc4 (25...Qd8 26.Rfd1+/–) 26.Rc4+/– dc4 27.Ne6 Qe6 28.Rc1 Rc8 29.Qa5 Qe5 30.Rc3 Qc5 31.Qa4 b6 32.e4 Kg7 33.a3 h5 34.h4 Kh6 35.g3 Kg7 36.Kg2 Kg8 37.Kg1 ½–½. Riha,Josef (1960) – Cade,Stephen (2070), FICGS, 2013. (=1.c4 g6 2.Nf3 Bg7 3.d4 Nf6 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 a5 8.b5 cb5 9.cb5 Bf5)

10.Rc1 Nbd7 11.Be2 Rc8 12.Rc8 Qc8 13.Ba3 Qc3 (better is 13...Re8!?=) 14.Be7+/– Re8 15.Bf6 Bf6 16.0-0 Rc8 17.h3 h5 18.Nb3 Be7 19.Ne5 (19.Na1 Qa3=) 19...a4 20.Nc1 (20.Nd7!? Bd7 21.Nc5 Bc5 22.dc5 Qc5 23.Qa4=) 20...Ne5= 21.de5 Qe5 22.Nd3 Bd3 23.Bd3 (23.Qd3 Rc3 24.Qd2 Bd6–/+) 23...Bd6–/+ 24.g3 Rc3 (24...h4!?–/+) 25.h4= d4 26.Re1 Ra3 27.ed4 (27.Qb1 Qd5 28.Be4 Qa2 29.ed4 Qc4 30.Bb7 Qd4=) 27...Qd4+= 28.Be4 Qb6 29.Re2 Rg3 30.Kf1 Rg4 31.Qd5 Qd8 (31...Rh4? 32.Bg6 Qc7 33.Bf7 Qf7 34.Qg5 (34.Qd6?! Qc4 35.Qb8 Kg7 36.Qb7 Kg6+/–) 34...Kh7 35.Qh4+–) 32.Bg2 Qf6 (worse is 32...Rh4 33.Rd2 Rb4 34.Qd6 Rb1 35.Ke2 Qe8 36.Kf3 Rb5 37.Kg3+=) 33.Qb7 Bb4 34.Qc8 Kh7 35.Qc1 Rc4! (35...Qh4 36.Re8–/+) 36.Qb2 a3 (36...a3 37.Qb1 Qf4–+ (37...Qh4?! 38.Re4 Re4 39.Qe4 Qe4 40.Be4–/+)) 0–1. Schmidt,Karl (2315) – Willert,Hans_Juergen (2325), BdF DFMM, 2007. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5)

10.Be2 Qd6 11.Qb3 Rc8 12.0-0 a4 13.Qa3 Qa3 14.Ba3 e6 15.Ne5 h5 16.Rfc1 Nbd7 17.Ndf3 Bf8 18.Bf8 Kf8 19.h3 Ke7 20.a3 Be4 21.Ne1 g5 22.f3 Bf5 23.N1d3 Ne5 24.Ne5 Nd7 25.Kf2 Ne5 26.de5 Bc2 27.Ra2 Bb3 28.Raa1 h4 29.Ke1 f6 30.ef6 Kf6 31.Bd3 Ke5 32.Kd2 Kd6 33.Rab1 b6 34.Rf1 Rc5 35.f4 gf4 36.Rf4 Rg8 37.Rg1 e5 38.Rh4 e4 39.Bb1 Rb5 40.Rh6 Kc5 41.Rh5 (41.g4 Rf8 42.Be4 Rf2 (worse is 42...de4 43.Rc1 Bc4 44.Rh5 Kd6 45.Rc4 Rh5 46.gh5+/–) 43.Ke1 Ra2–+) 41...Bc4+= 42.Be4 Rb3 43.Rc1 Rd8 44.Bf3 Rd3 45.Kc2 Ra3 (45...Re3!? 46.Ra1 Be2–/+) 46.e4= Kb4 47.ed5 Rc3 48.Kd2 Rc1 49.Kc1 a3 50.Re5 Bd3 0–1. Muri,Heinrich (2375) – Mrkvicka,Josef (2445), CZE–SUI, 2011.

10.Be2 Nbd7 11.0-0 Nb6 12.Rc1 ½–½. Ehlvest,Jaan (2575) – Nyback,Tomi (2585), Tallinn EST, Keres Mem (rapid), 2014. (=1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 cb5 9.cb5 Bf5)

10.Be2 Nbd7 11.0-0 Rc8 12.Rc1 Rc1 13.Qc1 Qb8 14.Qc3+= b6 15.Rc1 Rd8 16.h3 Ne4 17.Qc7 Nd2 18.Nd2 e5 19.Nf3 e4 20.Ne5 Be5 21.de5+/– Nc5 22.Qe7 Be6 23.Bd4 Rd7 24.Qh4 Rc7 25.f3 ef3 26.Bf3 Nd7 27.Rc7 Qc7 28.Qe7 Qb8 29.a3 Qf8 30.Qf8 Kf8 31.e4 de4 32.Be4 Ke7 33.Bc6 Bc4 34.Kf2 Ke6 35.Kg3 Ne5= 36.Bb6 Nc6 37.bc6+= a4 38.Kf4 h5 39.g3 Bd5 40.c7 Kd7 41.Ke5 Be6 42.h4 Bb3 43.Ba5 Be6 44.Kd4 Kc8 45.Kc5+/– Bb3 46.Kb6 Be6 47.Bd2 Bb3 48.Bf4 Be6 49.Be5 Bb3 50.Kb5 Bc2 51.Bf4 ½–½. Matlak,Marek (2500) – Mikrut,D (2390), Polish Extraleague, Lubniewice Poland, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.d4 d5 7.Nbd2 a5 8.b5)

10.Be2 Nbd7 11.Rc1 Rc8 12.Rc8 Qc8 13.0-0 Qa8 14.Ba3 Re8 15.Nh4 Be6 16.f4 (better is 16.Qb3+=) 16...Ne4?? (better is 16...Qc8 17.Qb3 Bg4=) 17.Ne4+– de4 18.d5 (18.d5 Bf5 19.g4 Bg4 20.Bg4+–) 1–0. Huber,Gregory (2205) – Franett,Michael (2130), Canada op Richmond, 1999. (=1.Nf3 d5 2.b4 Nf6 3.d4 g6 4.Bb2 Bg7 5.e3 0-0 6.Nbd2 c6 7.c4 a5 8.b5)

10.Nh4 Bg4 11.Qb1 Nbd7 12.Bd3 Nb6 13.0-0 Ne8 (13...Qd6 14.a4=) 14.Nhf3 Nd6 15.Rc1 Bf3 16.Nf3 Ndc4 (16...Qd7 17.a4=) 17.Bc3 Qd6 18.a4 Rfc8 19.Qb3 e6 20.h3 Rc7 21.Be1 Rac8 22.Rc2 Bf8 23.Raa2 Qd8 24.e4 de4 25.Be4 Nd5 (25...Bg7 26.Ra1+=) 26.Bd3= Ndb6 27.Ra1 Qd5 28.Rd1 Bd6 29.Ra1 Bf8 30.Re2 Qd8 31.Rd1 Qd6 32.Ra2 Qd5 33.Nh2 (33.Rc2 Bh6=) 33...h5 34.Nf3 Ra8 35.Qb1 (35.Ne5 Ne5 36.Qd5 Nd5 37.de5 Bb4=) 35...Na3 36.Qa1 Nac4 37.Rc1 (37.Qb1 Bb4+=) 37...Bb4 (37...Rac8 38.Rac2 Bd6 39.Nd2 Nd2 40.Bd2 Rc2 41.Rc2=) 38.Rac2 (38.Bb4 ab4 39.a5 Nd7+=) 38...Be1 39.Ne1 Rac8 40.Nf3 Qd6 41.Rc3 Qd8 (better is 41...Qf4=) 42.Qa2 (better is 42.R1c2!? Nd6 43.Rc5+=) 42...Ne5–/+ 43.Rc7 Nf3 44.gf3 Rc7 45.Rc7 Qc7 46.Be4 Qd7 47.Qd2 Qc7 ½–½. Kunte,Abhijit (2480) – Singh,Arvinder Preet (2140), Dharamshala IND, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 cb5)

9.Bc4 Ne8 10.a4 Nd6= 11.bc6 (11.Bd3 cb5 12.ab5 Bd7=) 11...Nc4 (11...Nc6!? 12.Rc1 Nc4 13.Nc4 Bg4=) 12.cb7+= Bb7 13.Nc4 Ba6 (13...Nd7 14.Rc1+/–) 14.Rc1+/– Nc6 (14...Nd7 15.Nfd2+/–) 15.0-0 (15.d5 Bb2 16.Nb2 Nb4+/–) 15...Nb4 16.e4 (better is 16.Ba3!?+/–) 16...Na2= 17.Rc2 Nb4 (17...Rc8 18.Nfe5=) 18.Rc1 (18.Rc3 Na2 19.Rc2 Rc8=) 18...Na2 19.Rc2 Rc8 20.Qe2 Qe8 21.Ba3 Qa4 22.Bc5 Rc5! 23.dc5 Nc3 24.Qd2 (better is 24.Rc3!? Bc3 25.Nb6 Be2 26.Na4 Bf1 27.Kf1–+) 24...Qc4–+ 25.Re1 Ne4 (25...Rc8 26.e5 Rc5 27.Qd8 Bf8 28.e6 fe6 29.Qa8–+) 26.Rc4 Nd2 27.Nd2 Bc4 28.Nc4 Rc8 29.Na5 (29.Re7 Rc5 30.Ne3 Rc1 31.Nf1 a4–+) 29...Bc3 (29...Bc3 30.Rc1 Ba5–+; 29...Rc5?! 30.Nb3 Rb5 31.Rb1–/+) 0–1. Fenil,Shah (2250) – Shyam,Nikil P (2455), 10. KIIT Elite Open, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 dc4)

9.Bc4 Ne8 10.bc6 Nc6= 11.0-0 Nd6 12.Be2 (12.Rc1 Bf5=) 12...b5 (12...Bf5 13.Ne5=) 13.Ne5 (13.Rc1 Bb7+=) 13...Ne5 14.de5 Be6 15.Qb1 (15.Rc1 Rb8= (15...Ba2? 16.ed6 Bb2 17.Rc2+–)) 15...Nc4 16.Nc4 Bc4 (16...bc4 17.Qc2=) 17.Bc4= bc4 18.Qe4 Rb8 19.Bc3 Qc7 20.Rfd1 Qc5 21.Rac1 Rfc8 22.h4 e6 (22...a4 23.Rd7+=) 23.h5 (23.Rd7 Rd8 24.Bd4 Qa3 25.Rd8 Rd8 26.Rc4 Qa2+=) 23...Bf8 24.Qf4 Rd8 25.Bd4 Qc6 26.Rd2 Rb4 27.Rdc2 Qb5 28.Kh2 Be7 29.Rc3 (29.h6 Kf8+=) 29...Rc8 30.e4 Rb1 (30...Rd8!? 31.Rf3 Qe8 (31...Rd4 32.Qf7 Kh8 33.Qe7 Qe5 34.Kg1 Qf5 35.Rf5 Rd1 36.Rd1 Rb8 37.Rf8 Rf8 38.Qf8) 32.hg6 fg6= (32...hg6? 33.Rh3 Qf8 34.Bc5 Bc5 35.Qh4+–)) 31.hg6+/– fg6 (31...hg6?? 32.Rf3 Qe8 33.Rb1+–) 32.Qg4 Rc6 33.a4! Qb8 (33...Qa4 34.Rb1 Deflection) 34.Rb1 Qb1 35.Rc4 Qb7 (35...Rc4 36.Qe6 Double attack (36.Qe6 Decoy)) 36.Be3 Qc8 37.Rd4 Rc4 (37...Bc5 38.Rd2 Be3 39.fe3+/–) 38.Rd1 (38.Qd1 Kf7+/–) 38...Qc6 (38...Kf7!?+=) 39.Rd6!+/– Bd6?? (better is 39...Qc8 40.Qe6 Qe6 41.Re6 Kf7+/–) 40.Qe6+– Kg7 41.Qf6 (41.ed6?! Re4 (41...Qe4?? 42.Qe4 Re4 43.d7+–) 42.Bd4 Rd4 43.Qe5 Kf7 44.Qd4 Ke6=; worse is 41.Qd6 Qd6 42.ed6 Kf7–/+) 41...Kg8 42.ed6 (worse is 42.Qd6 Qd6 (42...Qa4?? 43.Qe6 Kg7 44.Qe7 Kg8 45.Bh6 Re4 46.Qg7; 42...Qe4? 43.Qe6 Kg7 44.g3+–) 43.ed6 Kf7–/+) 42...Qe4 (42...Qd7 43.Bd4 Rd4 44.Qd4 Kf7+–) 43.d7 1–0. Naroditsky,Daniel (2600) – Troff,Kayden W (2530), Saint Louis USA, SPICE Cup, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 a5 8.b5 dc4)

10.Bb5 a4 11.Ba4+/- Qa5 12.Bb3 Bg4 13.0-0 Nd5 (13...Nc6 14.Qe2+/-) 14.h3 Bf3 15.Nf3 (worse 15.gf3 Nc6+=) 15...Nc3 (15...e6 16.e4 Nf6 17.Qe2+/-) 16.Qc2 Na4 17.Ba3 Nc6 18.Rac1 Rfc8 19.d5 Na7 20.Qd3 Nb5? (better 20...Nb2!? 21.Rc8 Nc8 22.Bb2 Bb2+/-) 21.Be7+- Nb2 (21...Nbc3 22.Rc2+-) 22.Qe4 (better 22.Qe2!? Rc1 23.Rc1 Qb6+-) 22…Nc3 (22...Nc3 23.Rc3! Qc3+-). zumpili (2245) - bouzidian (2280), Rated Blitz game, lichess.org, 2019. (=1.Nf3 c6 2.d4 d5 3.Nbd2 Nf6 4.c4 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5)

10.Bb5 Qb6 11.a4 Bd7 12.Nc4 Qe6 13.Qd3 Nd5 14.Ba3 (better is 14.0-0!?=) 14...Nf4 15.Qf1 Bb5 16.ab5 Ng2 17.Kd2 Rc8 18.Qg2 Rc4 (worse is 18...Qc4 19.Rhc1 Qe6 20.Ng5=) 19.Ng5 Qd7 20.Rhc1? (20.Qh3 h6 21.Qd7 Nd7–/+) 20...Rc1 (better is 20...Bd4 21.Qh3 Bc3 22.Ke2 Qd2 23.Kf1 Qd3 24.Kg1 h5–+) 21.Rc1–/+ h6 (21...Qb5 22.Rc8 Bf8 23.Qe4 Qg5 24.Be7+–) 22.Ne4 e5 23.Nc5 Qb5 24.Qb7 Qb7 25.Nb7 Nd7 26.d5 Bf8 27.d6 Nb6 (27...f5 28.Rc7 Nf6 29.Bc5+=) 28.Rc7 Rb8 29.Na5 Rd8 (better is 29...Ra8!? 30.Bc5 Ra5 31.Bb6 Rd5 32.Ke2 Rd6–/+ (32...Bd6?! 33.Rd7 e4 34.h3=)) 30.Nb7 (30.Rc6 Nd7 31.Nb7+=) 30...Rd7 (30...Rb8 31.e4 Na8 32.Rd7=) 31.Rd7 (31.Bc5!? Rc7 32.dc7+/–) 31...Nd7+= 32.Kd3 Nb6 33.Ke4 f6 (better is 33...Bg7!?+=) 34.Bc5 Nd7 35.Kd5 Kf7 36.Bb4 Ke8 37.Kc6 e4 38.Kc7 Ne5 39.Nd8 Bd6 40.Bd6 Nd3 41.Bg3 f5 42.Ne6 Kf7 43.Kd6 g5 44.Nd4 f4 45.ef4 gf4 46.Bf4?? (better is 46.Bh4 Ne1 47.Ke5+–) 46...Nf4= 47.Ke5 Nd3 48.Ke4 Nf2 49.Kf4 ½–½. Andreeva,Veronika (1900) – Bednikova,Stefka (2065), BUL–ch qual (Women), 2007. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Nbd2 c6 7.c4 a5 8.b5)

10.Bb5 Nc6 11.0-0 Bf5 12.h3 h5 13.Qa4 Nb4 14.Rfc1 Rc8 (14...Nd3 15.Bd3 Bd3 16.Ne5+=) 15.Nc4 (15.Rc8!? Bc8 16.a3+/-) 15...Nd3+= 16.Ba3 (better 16.Rc2!?+=) 16...Nc1-/+ 17.Rc1 b6 (17...Nd5!?-/+) 18.Nfe5= Be4 19.f3 (19.Nc6 Bc6 20.Bc6 Ne8=) 19...Bb7 20.Nc6 Bc6 21.Bc6 Nd5 22.Rb1?? Exerts pressure on the backward pawn (better 22.Rc2 Nb4 23.Bb4 ab4 24.Qb5=+) 22…Nc3-+ (22...Nc3 23.Nb6 Na4 24.Nc8 Qc8 25.Ba4 Qc4 26.Be7 Qa4 27.Bf8 Qa2-+) 0-1. jhonores (2245) - Berraquera (2260), Rated Blitz game, lichess.org, 2020.

10.Bb5 Nc6 11.h3 Nd5 12.0-0 Nc7 13.Be2 Na6 14.Ba3 Re8 15.Rb1 e5 16.de5 Ne5 17.Ne5 Be5 18.Nc4 Bc7 19.Nd6 Re6 (19...Bd6!? 20.Bd6 Nb4 21.Bb4 ab4+/-) 20.Nc8+- Qc8 21.Bg4 f5 22.Be2 (22.Bf3!? Rb8+-) 22...Nb4 23.Bc4 (23.Bc4 Bh2 24.Kh2 Qc7 25.Kg1 Qc4 26.Bb4 ab4 27.Qd7+=) 1-0. zumpili (2355) - Mendelevio (2100), Rated Bullet game, lichess.org, 2019. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5)

10.Bb5 Bf5 11.0-0 Na6 12.Qe2 Qb6 13.a4 Nc7 14.Nc4 Qa7 15.Na3 Nb5 16.Nb5 Qb6 17.Ne5 Rfc8 18.Rfc1 Qd8 19.h3 Ne4 20.Nc4 Rc6 21.Ne5 Be5 22.de5 Qd2 23.Qd2 Nd2 24.Nd4 Rc1 25.Rc1 Bd7 26.Rc2 Ne4 27.Rc7 Ba4 28.Rb7 e6 29.Ba3 Nd2 30.Bc1 Nc4+= 31.Rc7 Ne5 32.Bd2 Nd3 33.Rc3 Ne5 34.Rc5 Nd7 35.Ra5 Ra5 36.Ba5 e5 37.Nf3 f6 38.Nd2 Kf7 39.e4 Nc5 40.f3 Ke6 41.Bc3 ½–½. Cosma,Elena_Luminita (2325) – Van Weersel,Arlette (2180), Warszawa Poland, ETCC (w), 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5 dc4)

11.a4 Bb5 12.ab5 Qd5 13.Qe2 Ne4 (13...Rc8 14.0-0=) 14.Ne4 Qe4 15.0-0 b6 (15...Nd7!?=) 16.Rfc1+– Ra7 17.Rc2 Nd7 18.Rac1 (18.Rc6 a4+–) 18...e5 (18...a4!? 19.Nd2 Qd5+=) 19.Nd2+– Qa8 20.Ba3 (20.de5 Be5 21.Ba3 Rd8+–) 20...Re8 (better 20...Rd8!? 21.Rc6 ed4 22.ed4 Bd4+=) 21.Nc4+– Qd5? (better 21...Bf8 22.Bf8 Rf8+–) 22.Nd6+– Re6 (22...Rea8 23.Nc8 Bf8+–) 23.e4 Qb3 24.Rc3 Qa4 25.d5 Rf6 26.Qd3 Qd4 (26...Bf8 27.Rc8 Rd6 28.Bd6+–) 27.Qc2 Bh6 (27...Bf8 28.Rc8 h6+–) 28.Rd1 (better 28.Rc8 Bf8 29.Re1+–) 28...Rf2+= 29.Rd4 (29.Qf2?? Qd1 30.Qf1 Qd4 31.Qf2 Qc3–+) 29...Rc2 30.Rc2 ed4? (better 30...Be3!? 31.Kf1 ed4 32.Rc8 Kg7+–) 31.Rc8+– Bf8 (31...Kg7 32.Ne8 Kg8 33.Nf6 Kg7 34.Nd7 Be3 35.Kf1 Rd7 36.e5+–) 32.Nc4+– Rb7 33.d6 Nc5?? (better 33...Rb8 34.Rb8 Nb8 35.Nb6 f6+–) 34.Nb6! Nd7 (34...Rb6 35.Rc6 Double attack (35.Rc6 Decoy; 35.Rc5 Remove defender)) 35.Nd7 Rd7 36.b6 (better 36.e5 h6 37.b6+–) 36...Kg7 (36...g5+–) 37.e5 d3 38.Kf2 d2 39.Ke2 Be7 (39...a4+–) 40.Rc7 (40.Rc7 Rd8 41.b7+–) 1–0. Pektas,Yigit (1930) – Yildiz,Mehmet1 (1750), Turkish Cup (7), 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.c4 c6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 dc4)

11.Bd7 Qd7 12.0-0 b5 (12...Rc8 13.a4=) 13.Ne5 Qe6 14.Qb3 ½–½. Svitek,Volker (2140) – Bletz,Harald (2295), Hessenliga, 2007.

11.Bd7 Qd7 12.a4 Nc6 13.0-0 Nd5 14.Qe2 Ncb4 15.Nc4 Qe6 16.g3 Qa6 17.Rfc1 Rfc8 18.Kf1 b5 19.ab5 Qb5 20.Na3 (20.e4 Nb6 21.Nce5 Qe2 22.Ke2 a4=) 20...Qd7 (20...Qd3 21.Nc4+=) 21.Nc4 Qb5 22.Na3 (22.e4 Nb6 23.Nce5 Qe2 24.Ke2 a4=) 22...Qd7 ½–½. IMBKovacevic (2445) – GoranVajic (2240), FICS unrated standard game, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.c4 c6 5.e3 Bg7 6.b4 0-0 7.Bb2 a5 8.b5 dc4 9.Bc4 cb5 10.Bb5 Bd7)

11.Bd7 Qd7 12.a4 b5 13.Ne5 Qd5 14.ab5 Qb5 15.Qb3 Qa6 16.Ba3 Nc6= 17.Nc6 Qc6 18.0-0 Rfb8 19.Qa2 e6 20.Rfc1 Qd5 21.Qd5 Nd5 22.Bd6 Rb5 23.Nc4 Bf8 24.e4= Nb4 25.Bf8 Kf8= 26.Rcb1 Rd8 27.Na5 Rd4 28.f3 Nc2 29.Rb5+= Na1 30.Rb7 Rd1 31.Kf2+= Rc1 32.Rd7 Rc8 33.Nb7 Ke8 34.Rd1 Rc7 35.Nd6+/– Ke7 36.Nf7 Kf7 37.Ra1 Kf6 38.Ra2 Ke5 39.Kg3 Kf6 40.Kf4 Rc5 41.Ra8 g5 42.Kg4 Kg6 43.Rg8+– Kf6 44.Kh5 Ra5 45.Kh6 Rb5 46.h3 Ra5 47.Rf8 Ke7 48.Rg8 Kf6 49.Kh7 1–0. Bakre,T (2490) – Karavade,E (2275), 14th Open, Abu Dhabi UAE, 2004. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a5 8.b5)

11.Bd7 Nbd7 12.a4 Rc8 13.0-0 Rc6 (13...Qb6 14.Rb1 Nd5 15.Bc3=) 14.Rc1 Qb6 15.Rc6 Qc6 16.Qb3 Qb6 17.Rc1 e6 18.Qc2 Nd5 19.Ba3 Rb8 20.Nc4 Qa6 21.Qd2 (21.Nd6 Bh6+=) 21...b6 (21...b5 22.ab5 (worse is 22.Na5 b4 23.Nc6 ba3 24.Nb8 Nb8+=) 22...Rb5 23.Nfe5 Ne5 24.de5+=) 22.e4 N5f6 23.Nd6 Bf8 24.Qc2 Qa8 (24...Bh6 25.Rb1 Bf8 26.Ne5 Bd6 27.Bd6+=) 25.Nd2 (25.Ng5 b5 26.Ngf7 b4+=) 25...Ne8 (25...Bh6 26.Re1+=) 26.Nb5 Ba3 27.Na3 Qb7 (27...Rd8 28.Qb2+=) 28.Nb5 (28.e5 f6 29.Qb3 Ng7+=) 28...Rd8 (28...Ndf6 29.f3+=) 29.h3 (29.e5 f6 30.Qb3 Ne5+/–) 29...Nb8 30.Qc3 h6 (30...Na6 31.e5+=) 31.f3 (31.Qe3 Nc6+=) 31...Qd7 (31...Na6 32.Qe3 Rc8 33.Nb1 Rc1 34.Qc1=) 32.e5 Qd5 (32...Kg7 33.Kh1+=) 33.Ne4+/– Qa2?? (better is 33...Kg7+/–) 34.Ra1+– Qd5 35.Nc7 Nc7?! (35...Qd4 36.Qd4 Rd4 37.Ne8 Nc6+–) 36.Nf6 (36.Nf6 Kg7 37.Nd5 Nd5 38.Qc4+–) 1–0. Szymanska,Maria (2145) – Sobocinska,Malgorzata, Poland–ch U18 Girls, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 a5 7.b5 c6 8.Nbd2 dc4 9.Bc4 cb5)

11.Be2 Bc6 12.0-0 Nbd7 13.Qb1 b5 14.e4 e6 15.Rc1 Qb6 16.a4 b4 17.Bd3 Rfc8 18.Nc4 Qb8 19.e5 Ne8 20.Ng5 Bh6 21.h4 Nb6 22.Ne3 Qb7 23.Bc2 Rc7 24.Bb3 Bd5 25.Nd5 Nd5 26.Qe4 Rac8 27.Rc7 Rc7 28.Rc1 Bg5 29.hg5 Rc1 30.Bc1 Qc6 31.Bd2 Nec7 32.Kh2 Ne8 33.Qd3 Nec7 34.f4 Nb6 35.f5 Na4 0–1. Schmittdiel (2485) – David,P (2400), 1991.

8.a4 Bf5 9.Be2 Nbd7 10.0-0 Ne4 (10...dc4 11.Nc4 Qc7 12.Qb3=) 11.Nh4 Nd2 12.Qd2 Be6 13.c5 Nf6 14.b5 ab5 15.ab5 Qd7 16.Qb4 Ne4 17.Nf3 (17.b6 Bf6 18.Nf3 Bg4=) 17...Bf5 (17...Bg4 18.b6=) 18.Rfd1 (18.Ne5 Be5 19.de5 Ng5+/–) 18...h6 (better is 18...Bg4!?=) 19.Ne5+/– Be5 (19...Qe6 20.f3 Ng5 21.h4 Nf3 22.gf3 Ra1 23.Ra1+–) 20.de5+– Ng5 21.h4 Ne4 22.Bd3 (22.b6 Ra1 23.Ra1 g5+–) 22...Qe6 23.b6 (23.f3 Ng3 24.e4 de4 25.fe4 Ra1 26.Ra1+/–) 23...g5? (better is 23...Ra1!? 24.Ba1 Ra8=) 24.Ra7+/– Rab8 25.Be4 (25.h5 Rfd8+/–) 25...Be4 26.f3 Bh7 27.Kf2 Qg6 28.Rd2 Qb1 29.hg5 hg5 30.Qg4 Qf5 31.Qd4 (31.Qg3 Rfc8+/–) 31...Bg6 (31...Kg7 32.e4 de4 33.Qe4+=) 32.Bc3+/– e6 (32...Kg7 33.e4 de4 34.Qe4 Qe4 35.fe4 Be4 36.Rd7+–) 33.Ra1 (33.e4 de4 34.Qe4 Qe4 35.fe4 Be4+–) 33...Bh7 (33...g4!?+/–) 34.g4+– Qg6 35.Kg3 Ra8 36.Rh1 Ra3?? (better is 36...Kg7+–) 37.Rdh2 Rfa8 (37...Qd3 38.Bb2 Qd4 39.ed4 (39.Bd4?! Bd3+/–) 39...Rf3 40.Kf3 Be4 41.Ke2 Bh1 42.Rh1+–) 38.Rh7 Qh7 39.Rh7 Kh7 40.e4 (better is 40.Qd2+–) 40...R8a4 41.Qd2 de4 42.Qd7 (better is 42.Qb2+–) 42...Rc3?? (better is 42...Kg7 43.Qd1 Rc4+=) 43.Qf7+– Kh6 (43...Kh8 44.Qh5 Kg7 45.Qg5 Kh7 46.Qe7 Kh8 47.Qe8 Kg7 48.Qd7 Kf8 49.Qc8 Kg7 50.Qb7 Kg6 51.Qc6 Raa3 52.Qe4 Kg7+–) 44.Qe6 Kg7 45.Qf6 Kg8 46.Qg5 Kh8 (46...Kf8 47.Qh6 Kf7 48.e6 Ke7 49.Qh7 Ke6 50.Qf5 Ke7 51.Qe5 Kf7 52.Qc3+–) 47.Qd8 Kh7 48.Qe7 (48.e6 ef3 49.Qe7 Kg8 50.Qf7 Kh8 51.Qf6 Kg8 52.Qc3 f2 53.Kf2 Ra8+–) 48...Kg6 (48...Kh8 49.e6 Rf3 50.Kh4+–) 49.Qe8 Kg7 50.Qd7 Kg6 51.Qf5 (51.Qb7 Rb4 52.Qc6 Kg7 53.Qd7 Kg6 54.Qd6 Kh7+–) 51...Kg7 52.Qg5 Kf8?? (52...Kh8 53.e6 Rf3 54.Kh4 Ra8+–) 53.Qh6+– Kg8 54.Qg6 Kf8 55.Qf6 (55.Qd6 Kg7 56.Qc7 Kf8 57.Qb8 Kf7 58.Qb7 Kf8 59.Qc6 Ra1 60.Qe4 Raa3 61.Qf5 Ke8+–) 55...Kg8 56.Qd8 Kg7?? (56...Kh7 57.e6 Rca3 58.Qe7 Kg6 59.Qf7 Kh6+–) 57.e6+– Rf3 (57...Rca3 58.Qg5 Kh7 59.Qh5 Kg7 60.Qe5 Kg6 61.e7 Rf3 62.Kh4+–) 58.Kh4 Raa3 (58...e3 59.e7 Re4+–) 59.e7 1–0. Bibik,Jura (2225) – Mindl,Josef (2025), Pardubice CZE, Czech Rapid Open, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 a6)

8.a4 Bg4 9.Bd3 Nbd7 10.0-0 Qc7 (10...dc4 11.Nc4 Nd5 12.Qd2=) 11.h3+= Bf5 12.Bf5 gf5 13.Qc2 e6 14.a5 Rac8 15.Rfc1 Qb8 16.Ne1 Ne4 17.Nd3 Kh8 18.Qd1 Ndf6 19.f3 Nd2 20.Qd2 Qg3 21.cd5 ed5 22.Rc2 Bh6 23.Qe1 Rg8 24.Ne5 Qe1 25.Re1 Kg7 26.g4 fg4 27.hg4 (worse 27.fg4 Ne4=+) 27...Rge8? (better 27...Ne8+=) 28.f4+– Ne4 29.g5 Ng5 30.Rg2 f6 31.Kf2 Kh8? (better 31...Rc7+–) 32.fg5 fe5 33.gh6 e4 34.Rg7 Re6 (34...Rb8 35.Rh1+–) 35.Rb7 Rf8 (35...Rh6 36.Rg1 Rh2 37.Rg2+–) 36.Ke2 Rh6 (36...Rg6 37.Kd2 Ra8 38.Rh1+–) 37.Bc3 Rh2 38.Kd1 Ra2 (38...h5 39.Rb6 Rf6 40.Ra6+–) 39.Ra7 Rff2 (39...Rf6 40.Ra6 Kg7 41.Ra7 Kh6 42.Rh1 Kg6 43.Rah7+–) 40.Ra6 Rfc2 (40...Kg7 41.Rc6 h5+–) 41.Rg1 h5 42.Rc6 Rc3 (42...Kh7 43.b5 Rf2+–) 43.Rh6 1–0. Pierre – Stept, internet, 2019.

8.a4 Bg4 9.h3 Bf3 10.Nf3 Nbd7 11.Be2 e6 12.0-0 Ne4 13.Qb3 White plans b5 13...f5 14.b5 f4 15.Ba3 Rf5 16.Bd3 fe3 17.fe3 Bh6 18.cd5 (better 18.Bc1 ab5 19.cb5 cb5 20.Be4 de4 21.Qe6 Kh8 22.Qe4 ba4 23.Qb7+/-) 18...Be3-/+ 19.Kh2 Bf4 (19...Rf3 20.Rf3 Nd2-/+) 20.Kg1= Be3 21.Kh2 Bf4 (21...Rf3 22.Rf3 Nd2-/+) 22.Kg1= Be3 ½-½. Carlsson,Ludvig (2195) - Maung,Maung Kyaw Zaw Hein (2120), Titled Tuesday, 2020. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2)

8.Bd3 b5 9.c5 Re8 (9...a5 10.a4 Ba6 11.ba5+=) 10.a4+– Bb7 11.0-0 Nbd7 12.h3 (12.Qe2 Qc7+–) 12...Qc7+= 13.Qc2 Rad8 (13...Reb8 14.Qc3+=) 14.Bc3 Bc8 15.Rfd1 Nf8 (15...h6 16.ab5 ab5 17.Ra5+–) 16.Ra2 (16.ab5 cb5 17.Rdc1 N8d7+–) 16...N6d7 (16...Ne6 17.Rda1+=) 17.Ra3 (17.Rc1 e5 18.de5 Ne5 19.Ne5 Be5 20.ab5 ab5+–) 17...e5 (17...Ne6 18.ab5 cb5 19.Rda1+=) 18.de5 Ne5 19.Ne5 Be5 20.Be5 (20.Nf3 Bc3 21.Qc3 Ne6+–) 20...Qe5 21.Nf3 Qh5 (21...Qf6 22.Nd4+–) 22.Nd4 (22.Be2 Qh6+–) 22...Bd7 23.ab5 ab5 24.Ra7 (24.Ra6 Rc8+–) 24...Re5 (24...Ne6 25.Rd7 Rd7 26.Nc6+–) 25.Be2 (25.Rda1 Bh3 26.Nc6 Rg5+–) 25...Qh6 26.Qb2 Bh3? (better 26...Re4!?+–) 27.Bf3 (27.Nc6 Bg2 28.Kg2 Rg5 29.Bg4 Rg4 30.Kf1 Re8+=) 27...Bd7?! (27...Rd7 28.Nc6 Rg5+–) 28.Nc6! Rh5 (28...Bc6 29.Qe5 Discovered attack) 29.Ne7 1–0. marekt – icefox, internet, 2014.

8.a3 Bd7 9.Bd3 b5 10.cb5 cb5 11.0-0 Nc7 12.e4 (12.Ne5 Rc8+=) 12...de4 13.Ne4 Ncd5 (13...Bg4 14.h3 Be6 15.Nc5=) 14.Ne5+= Be6 (14...Ne4!? 15.Be4 e6=) 15.Nc5+/- Bc8 (15...a6 16.Ne6 fe6 17.Rc1+/-) 16.Rc1 (better 16.Bb5!? Bf5 17.g4+-) 16...a6 17.Rc2 Nf4 18.Be2 (18.Qf3 Nd3 19.Qa8 Nb2+=) 18...Ne2 19.Qe2 Bf5?? (19...Qd6 20.f3=) 20.Rd2?? (better 20.Nc6 Qd6 21.Ne7 Kh8 22.Nf5 gf5 23.Qe5+-) 20...Nd5 21.h3 (21.Re1 Qd6=) 21...f6 (21...Nf4!? 22.Qe3 Bh6=) 22.Nc6 (22.Ng4 Bg4 23.Qg4 f5+=) 22…Qc7 0-1. frad - bardge (1670), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 c6 6.Nbd2 d5 7.e3)

8.Qb3 Nc7 9.a4 Re8 10.Be2 Nd7 (10...dc4 11.Bc4 Be6 12.0-0=) 11.0-0+= Nf8 12.Ne5 f6 13.Nef3 e5 14.de5 fe5 15.Rfd1 Kh8 (15...e4 16.Ne1+=) 16.Rac1 Bf5 (16...d4 17.Ne4 Nfe6 18.c5+/–) 17.h4 (better is 17.e4!? de4 18.Ne4+–) 17...Rc8 (17...Qe7 18.cd5 cd5 19.e4 de4 20.Ng5=) 18.Ng5 (18.e4 Be6 19.ed5 cd5 20.cd5 Nd5 21.Rc8 Qc8+/–) 18...Qe7 19.e4 (better is 19.cd5 cd5 20.e4+=) 19...Be6? (19...de4 20.c5 Nfe6 21.Nde4 Ng5 22.Ng5=) 20.b5?? (better is 20.ed5 cd5 21.cd5 Nd5 22.Ne6 Qe6 23.Bc4 Rc4 24.Nc4+–) 20...d4= 21.Ba3 c5 22.a5 Bd7 23.Qf3 Nce6 24.Qg3 Nf4 25.Bf3 N8e6 26.Nf1 Rf8 27.Rc2? h6 28.Ne6+= Qe6 29.Nh2 h5 30.Nf1 Bh6 31.Bc1 Rf6 32.Kh1 Rcf8 33.Rcd2? Qc4–+ 34.Ne3 Qb5 35.Rb2 Qa4 36.Rb7 Bc6 37.Nd5 Bb7 38.Nf6 Rf6 39.Bd2 Be4! 40.Re1 Qc2 41.Bc1 Bf5 42.Ba3 Qc3 43.Re5 Qa3 44.Re8 Kg7 45.Re7 Kf8 46.Re8 Ke8 47.Bc6 Rc6 48.Qa3 Be4 49.f3 Bd5 50.Qc1 g5 51.Kh2 gh4 52.Qb1 a6 53.Qh7 Rg6 54.Kh1 Bg7 55.Kg1 Rg2 56.Kf1 Bc4 57.Ke1 Rg6 58.Kf2 h3 (58...h3 59.Qg6 Ng6 60.Kg1 d3 61.Kh1 d2 62.Kg1 d1Q 63.Kh2 Qf3 64.Kg1 Qg2) 0–1. Garcia Alvarez,JB – Garcia Gonzalez,F, Asturias–chT40 Primera A, 1999.

8.Qb3 Nc7 9.Bd3 Be6 10.0-0 (10.c5 Qc8+=) 10...dc4= 11.Bc4 (11.Nc4? b5–+) 11...Nfd5 12.Ng5 b5 13.Ne6 Ne6 14.Be2 a5 15.ba5 Qa5 16.Ne4 f5 17.Nc3 Nc5 18.Qc2 Nb4 19.Qd2 (19.Qb1!? Na4 20.Na4 Qa4 21.Rc1+/–) 19...Rfd8= 20.a3 Nd5 21.Qc2 Nc3 22.Bc3 (worse is 22.Qc3 Qc3 23.Bc3 Ne4+=) 22...Qa4 23.Qa2 Qb3 24.Bb4 Qa2 25.Ra2 Ne4 26.Rc1 Rdc8 27.Rac2+– e5 28.d5 c5+/– 29.f3?? Bh6–/+ 30.f4 ef4 31.Bb5? f3 32.gf3 Be3 33.Kf1 Bc1 34.Be1 Nd6 35.Bc6 Rc6! 36.dc6 Ba3 37.Bg3 c4 38.Ra2 Nb5 39.c7 Rc8 40.Ke1 Bd6 41.Bd6 Nd6 42.Rd2 Nf7 0–1. Machala,Vladislav – Bujak,Michal, CZE–chT2b, 2000.

8.b5 Nc7 9.bc6 bc6 10.c5 Bg4 11.Qa4 Bf3 12.Nf3 Rb8 13.Bc3 Ne4 14.Ba5 Qd7 15.Qc2 Rb7 16.Bd3 f5 17.0-0 Rfb8 18.Rab1 Bf6 19.Rb7 Rb7 20.Rb1 Qc8 21.Rb3 Qb8 22.Qb1 Rb3 23.Qb3 Qb3 24.ab3 Nb5 25.Bb5 cb5 26.Ne1 Kf7 27.Nd3 Ke6 28.Nf4 Kd7 29.Nd5 e6 30.Nf6 Nf6 31.Kf1 Kc6 32.Ke2 Kd5 33.Bc7 Nd7 34.Kd3 e5 35.Be5 Ne5 36.de5 Ke5 37.b4 Kd5 38.f3 a5 39.e4 fe4 40.fe4 Kc6 41.ba5 1–0. Fernandez Aguado,Enrique (2360) – Basas Gamazo,Josep, Barcelona op, 1993.

9.Bd3 Bh6 10.0-0 dc4 11.Nc4 Be6 12.Ncd2 Ncd5 13.Re1 Qb8 14.h3 Qc8 15.Bf1 Nh5 (15...Qd8 16.Nb3+=) 16.Ne4 (16.g4 Nhf6 17.g5 Bh3 18.Bh3 Qh3 19.gf6 ef6+/–) 16...f6 17.Nc5 Bf7 18.Nd3 g5 19.Nd2 e6 20.Be2 Ng7 21.Rc1 Qe8 22.Nc4 Bg6 23.Nc5 b6 24.Nb3 Qe7 25.g3 Bf5 26.Kh2 Rac8 (26...Bg6!?+/–) 27.Ncd2 Bg6 28.e4 Nc7 29.Rc6 f5 30.e5 Nd5 31.Qc1 Rc6 32.Qc6 g4 33.Bc4 f4 (33...Rd8!? 34.Bd5 Rd5+/–) 34.Bd5+/– fg3 35.fg3 ed5 36.Qd5 Bf7 37.Qg2 gh3 38.Qe2 (38.Kh3 Bb3 39.Nb3 Qe6 40.Kh2 Qb3–+) 38...Be6 39.Nc1 Nf5 40.Ne4 (40.Kh3 Bd2 41.Kh2 Ng3–+) 40...Ne3 41.Nf6 Kh8 42.Nd3 Qb7 43.Nf4 (43.Bc1 Ng4 44.Ng4 Bg4+–) 43...Bf4+/– 44.gf4 Rf6 45.ef6 Qe4 46.Kg1?? (46.Qf2 Ng4 47.Kg3 Nf2 48.Re4 Ne4 49.Kh2–+) 46...Qf4 47.Qh2 Qg5 (47...Qg5 48.Kf2 Ng4 49.Kf1 Bc4 50.Re2 Nh2 51.Ke1 Nf3 52.Kf2 Qg2 53.Ke3 Qe2 54.Kf4 Bd5 55.Bc3 Qe4 56.Kg3 Qh4) 0–1. Skrzypczak,Michal (1950) – Kryjak,Andrzej (2115), Poland–chT2 Wysowa, 2007.

9.Be2 a5 10.0-0 Bf5 11.Nb3 (11.ba5 Ra5 12.c5 Qa8+=) 11...ab4 12.ab4 Ne4 (12...dc4 13.Bc4 Qd6 14.Qe1=) 13.Nfd2 Nd2 14.Qd2 Re8 15.Nc5 Ra1 16.Ra1 Bc8 17.b5 dc4 18.bc6 b5 (18...b6 19.Nb7 Qd5 20.Bf3=) 19.Ra7 Qd6? (19...Nd5!?+=) 20.Bf3 (20.Qa5 Ne6 21.Qb5 Nc5 22.Ba3+- (worse 22.Qc5 Qc5 23.dc5 Bb2 24.Bc4 Kg7-/+)) 20...Nd5+/- 21.e4?? (21.Qa5 Qc6 22.Bd5 Qd5 23.Qb5 Rf8+/-) 21...Nc7?? (better 21...c3 22.Bc3 Nc3-+) 22.Qa5 (better 22.Bc3 b4 23.Bb4=) 22...Ne6?? Increases the pressure on d4 (22...Bd4 23.Bd4 Qd4 24.Rc7 (24.Qc7 Qc5 25.Ra8 c3 26.Rc8 c2 27.Re8 Kg7-+) 24...Qc5 25.Qa8=) 23.e5?? (23.Ne6 Be6 24.e5 Qd8 25.Qb5 Qb8 26.Qb8 Rb8+-) 23...Qd8?? (better 23...Be5 24.Ne6 Bh2 25.Kh1 Be6=) 24.c7+- Nc7 25.Qc7 (25.Rc7 b4 26.Qb5 Rf8 27.Rc8 Qc8 28.Qb4 Qb8+-) 25...Qc7 26.Rc7 Bf5 (26...b4 27.Bc1+-) 27.Bc6 (27.Rb7!? Rc8+-) 27...Rb8 28.Na6 Rd8 (28...Rb6 29.Nb4 Rb8 30.Bb7+- (30.Re7?! Bf8 31.Nd5 Be7 32.Ne7 Kf8+-)) 29.Bb5 (29.h3!? Bd3+-) 29...Be5 30.Rc4 Bd6 31.g3 (31.Rc3 e6+-) 31...Be4? (better 31...Bd3+-) 32.Bc6 Bd3 33.Ra4 Rc8 34.d5 e6 (34...h5 35.Ba3+-) 35.Ba3 (35.de6 Kf8 36.Bd7 Ra8+-) 35...ed5 36.Bd6 (better 36.Bd5!? Ba3 37.Ra3 Rc1 38.Kg2 Bc4+-) 36...Rc6 37.Nc5 Rd6 38.Nd3 d4 39.Rc4 Rd7 (39...Kg7 40.Kf1+-) 40.Kg2 Kg7 (40...f5 41.Kf3+-) 41.Nc5 (better 41.Kf3+-) 41...h5 (41...Rd5 42.Kf1 g5+-) 42.Nd7 f5 (42...d3 43.Rd4+-) 43.Nc5 1-0. Arifars17 (2550) - Frogkiller (2450), Rated Bullet game, lichess.org, 2020. (=1.Nf3 Nf6 2.c4 g6 3.e3 Bg7 4.d4 c6 5.b4 d5 6.Bb2 0-0 7.Nbd2 Na6)

9.Be2 a5 10.ba5 Ra5 11.0-0 Bf5 12.Nb3 Ra7 13.a4 Na6 14.a5 Ne4 15.Rc1 White prepares the advance c5 15...Nd6 16.c5 Ne4 17.Ne5 f6 18.Nd3 Ng5 19.Ra1 e5 20.de5 (20.Rb1 Qe7=) 20...Bd3 21.Bd3 fe5 22.f4 Nf7 (22...Ne6 A) worse is 23.Be5 Be5 24.fe5 Rf1 (24...Nec5?! 25.Ba6 Nb3 26.Qb3 ba6 27.Rf8 Qf8 28.Qb6+=) 25.Bf1 Nac5–/+; B) 23.Ba6 Ra6 24.Be5 Be5 25.fe5+=) 23.f5 (23.e4 ef4 24.Bg7 Kg7 25.Ba6 ba6 26.ed5 Qd5 27.Qd5 cd5 28.Rf4 Ne5 29.Rf8 Kf8=) 23...Qg5 (23...Bh6 24.Qe1=) 24.fg6 hg6 (24...Qe3?? 25.Kh1 e4 26.gf7 Rf7 27.Qg4+–) 25.Qd2 Bh6 (25...Nh6!?=) 26.Rf3+= d4? (better is 26...Nh8 27.Rg3 Qf6+=) 27.Rg3?? (better is 27.Qe2 de3 28.Rg3+–) 27...Qe3 28.Qe3 (28.Re3 Be3 Double attack (28...Be3 Decoy)) 28...Be3 (worse is 28...de3 29.Rg6 (29.Bg6?! Bf4+=) 29...Bg7 30.Rg3+/–) 29.Kh1 (29.Re3 de3 30.Bg6 Nc7–/+) 29...g5 30.Bc1 Bf4 (30...Bc1!? 31.Rc1 Nc7–/+) 31.Bf4+= ef4 32.Rh3 (32.Rg4 Rd8 33.g3 Nb4=) 32...Nb4 (32...Re8 33.Rd1–/+) 33.Bh7 (33.Nd4 Rfa8 34.Nb3 Rd8=) 33...Kg7 34.Nd4 Rh8 35.Bf5 Rh3 36.gh3 (36.Bh3 Nd3–/+) 36...Kf6–+ 37.Bc8 Nd3 38.Nb3 Nfe5 39.Kg2 (39.Ra4–/+) 39...Ke7 (39...f3 40.Kg3–/+) 40.Rd1 (40.Ra4 Ke8+=) 40...f3 (40...Kf7 41.Kf1–/+) 41.Kg3 Kf6 (better is 41...f2!? 42.Kg2 Ng6–/+) 42.Bg4= Ra8 43.Bf3 Rh8 44.Be2 Nf4 Exerts pressure on the backward pawn 45.Bf1 Ne6 46.Rd6 Ke7 (46...Rh4 47.a6 ba6 48.Na5= (worse is 48.Ba6 Ke7–/+)) 47.Rd1 Rf8 48.Be2 Rf4 49.Bg4 Ng4 (49...Rc4 50.Be6 Ke6 51.Kg2+=) 50.hg4 Rc4 Attacking the isolated pawn on c5 51.Rd3 Nc5 52.Nc5 Rc5 53.Ra3 Kf6 54.h4 gh4 55.Kh4 Kg6 56.Rb3 Rb5 57.Ra3 Rc5 ½–½. Ererdem,Gani Eren (2210) – Dutreuil,Raphael (2165), World Junior Open, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 0-0 7.Bb2 Na6)

9.Be2 Bg4 10.0-0 Nd7 11.h3+= Bf3 12.Nf3 (worse 12.gf3 e5 13.de5 Ne5=) 12...dc4 13.Bc4 e5? (better 13...Nb6!? 14.Bb3 a5+=) 14.Ne5+- Ne5 15.de5 Qe7 16.f4 Rad8 17.Qb3 Nd5 (17...Rd7 18.Rad1+-) 18.Bd4 b6 19.Rac1 Nf4?? (19...Rfe8+-) 20.Rf4 (20.Rf4 Bh6 21.Rff1+-; 20.ef4?! Rd4 21.Qf3 c5 22.bc5 bc5+= (22...Qc5?? 23.Bf7 Rf7 24.Rc5 bc5 25.e6+-)) 1-0. adlai – helicco, internet, 2021.

9.Be2 Bg4 10.0-0 e6 11.h3 Bf3 12.Bf3 Re8 13.Qc2 Rc8 14.Nb3 Re7 15.Rac1 Nce8 16.Rfd1 Nd6 17.Nd2 b5 18.c5 Nc4 19.Nc4 dc4 20.e4 Rd7 21.Bc3 a6 22.a4 Ne8 23.ab5 ab5 24.e5 Ra7 25.Ra1 Qd7 26.Ra7 Qa7 27.Ra1 Qb7 28.Qe4 Bh6 29.Ra5 Bg5 30.Kh2 Bd8 31.Ra3 Ng7 32.g4 Be7 33.Qe1 Ne8 34.Qa1 Rc7? (better is 34...Bg5!?+/–) 35.Ra8+– Rc8? (35...Kf8+–) 36.Ra7 Qb8 37.Re7 Nc7 (37...Nf6 38.Qa7 Qa7 39.Ra7+–) 38.Bc6 1–0. Lebredo Zaragoitia,G (2205) – Gutierrez,Enrique AS (1900), Maringa BRA, 3rd Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Na6)

9.Be2 Bg4 10.0-0 e6 11.h3 Bf5 12.g4 Be4 13.Ne5 g5 14.f4 gf4 15.ef4 (15.g5 Nfe8 16.Ne4 f3 17.Bf3 de4 18.Be4 Qg5 19.Kh2 Qe3+/–) 15...dc4 16.Nec4 Bd5 17.Qc2 b5 (17...Nb5!? 18.Rad1 Bc4 19.Nc4 Nd5+=) 18.Ne5+/– Qd6 (18...Nd7 19.Kh2+/–) 19.Rac1 a5 (19...Rac8 20.g5 Nd7 21.Bd3+–) 20.ba5 Ra5 21.Bd3 b4 (better is 21...h6+–) 22.Ndc4 Bc4 23.Nc4 (23.Qc4?! ba3 24.Bc3 Rb5=) 23...Qd5 24.g5 Nh5 (24...ba3 25.Ba1 Ra7+–) 25.Bh7 Kh8 26.Be4 Bd4 (26...Qb5 27.Na5 Qa5+–) 27.Kh2 Qc5 (27...b3 28.Qg2 Ng3 29.Kg3 Qg5 30.fg5 Rg5 31.Kh4 Rg2 32.Bd4 Rg7+–) 28.Qd1 (28.Qd1 Ng7 29.Bd4 Qd4 30.Qd4+–) 1–0. Janek – Victor, internet, 2018.

8.a4 a5 9.b5 Bb7 10.Qb3 Nbd7 11.Be2 (11.bc6 Bc6 12.Rc1 e6+=) 11...c5= 12.0-0 Rc8 13.Rac1 cd4 14.Bd4 Nc5 15.Qa3 Nfe4 (15...Ne6 16.Be5=) 16.Bg7+= Kg7 17.Rfd1 Nd2 18.Rd2 e6 (18...Qd6 19.Rdd1+=) 19.cd5 Bd5 20.Rc5 Rc5 (20...bc5 21.e4 Combination; 20...Rc5 21.e4 Combination) 21.e4 Qf6 (21...Be4 22.Rd4 Double attack (22.Rd8 Pinning; 22.Rd8 Deflection; 22.Rd4 Decoy)) 22.ed5 Rd5 23.Rd5 ed5 24.Qc1 Re8 25.Bd3 Qd6 26.h4 Qb4 27.h5 Qa4 28.h6 Kf8 29.Qc3 (29.Qc6 Qf4+=) 29...Qf4= 30.Qg7 Ke7 31.Qh7 (better 31.Nd4!?=) 31...Qf6-/+ 32.Nh2 Rh8 33.Qg7 Qg7 34.hg7 Rg8 35.Ng4 Rg7 36.Kf1 f5 37.Ne5 (37.Ne3 Ke6-+) 37...Kd6 38.f4 a4 39.Ke2 (39.Bb1 Kc5-+) 39...a3 40.Bb1 g5 41.Nd3 gf4 42.Nf4 d4 43.Ba2 Rg4 44.Kf3 Kc5 45.Ne6 Kb5 46.Bb1 Kc4 47.Nc7 Rg5 (better 47...d3 48.Ba2 Kc3 49.Nb5 Kb2 50.Na3 Ka3 51.Be6-+) 48.Ba2 (48.Ne6 Rg6 49.Nf4 Rd6-+) 48...Kc3 49.Nd5 Kb2 50.Bc4 (50.Nb4 d3! 51.Bd5 d2 52.Nd3 Kc2 53.Nb4 Kc3 54.Na2 Kb2-+) 50...a2 (better 50...b5 51.Nb6 Rg6 52.Bb5 Rb6-+) 51.Ba2 Ka2 52.Nb6 Kb3 53.Nd7 (53.Nd5 Rg7-+) 53…Kc3 (53...Kc3 54.Kf4 d3 55.Kg5 d2-+) 0-1. Esipenko,Andrey (2620) - Sarana,A (2635), chess.com Junior Speed, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4)

8.a4 Bb7 9.Qb3 a6 (9...Na6 10.Rc1+=) 10.Be2 (10.Bd3 a5+=) 10...Nbd7 11.0-0 e6 (11...a5 12.ba5 Ra5 13.Bc3+=) 12.Rfd1 (12.a5 b5 13.c5 Qc7+=) 12...Re8 (12...Qe7 13.a5+=) 13.Ne5 (13.a5 b5 14.c5 Qe7+/–) 13...Ne5+= 14.de5 Nd7 15.f4 f5 (15...c5 16.a5 ba5 17.bc5 Nc5 18.Qc3+=) 16.Bf3 (16.cd5 cd5 17.Bd4 Rc8+=) 16...b5 (16...a5 17.cd5 cd5 18.Bd4+=) 17.ab5 (17.Qd3 Qe7 18.Bc3 Reb8+=) 17...ab5 18.Ra8 Ba8 19.c5 (19.cb5 cb5 20.Qd3 Bc6+=) 19...Qc7 (19...Qh4 20.Ra1+/–) 20.Ra1 Bb7 21.g4 (21.Qd3 Ra8+=) 21...Ra8 (21...Qd8 22.g5+=) 22.Ra8 Ba8 23.Qa2 (23.gf5 gf5 24.Qa3 Bb7+=) 23...Bb7 24.Nb3 Bc8 (24...fg4 25.Bg4 Nf8 26.Qa7+=) 25.Nd4 Nb8 26.Bc3 Kf8 27.Be1 (27.g5 Bd7+=) 27...Kg8 (27...Ke8 28.g5+=) 28.Qg2 (28.gf5 gf5 29.Qg2 Kf8+=) 28...Qb7 (28...Kh8 29.Bc3+=) 29.gf5+/– gf5 30.Qg5 (30.Qa2 Qc7+=) 30...Qd7 (30...Qc7 31.Bh4+=) 31.Bh5 (31.Bc3 h6 32.Qh4 Kh7+=) 31...Na6 (31...Qc7 32.Bc3+/–) 32.Qg2 (32.Bc3 Qc7+/–) 32...Kf8 33.Nc2 (33.Qa2 Qb7+=) 33...Bh6 34.Bg3 (34.Bh4 Qg7+=) 34...Qg7 35.Kf2 (35.Kh1 Kg8+=) 35...Bd7 36.Qh3 (36.Ke1 Be8 37.Bf3 Qg6+=) 36...Be8 37.Be2 Ke7 (37...Kg8 38.Ke1+=) 38.Bh4+/– Kd7 39.Bf6 Qg6 40.Qf1 (better is 40.Nd4+=) 40...Bg7 (better is 40...Kc8!?+=) 41.Bg7+– Qg7 42.Bb5! Nb8 (42...cb5 43.Qb5 Deflection) 43.Be2 Qh6 44.Kg1 (44.Qg2 Bg6+–) 44...Bh5+/– 45.Nd4 Qg6 (45...Be2 46.Qe2 Qg7 47.Kh1+–) 46.Kf2 Be2 47.Qe2 Qh6 48.Ke1 Qh4 49.Kd2 h5? (better is 49...Qg4+–) 50.b5 Qe7 (50...Qd8 51.Qh5 cb5 52.Qf7 Qe7+–) 51.bc6 Kc7 52.Qb5 (52.Qb5 Kc8 53.Qa5 Nc6 54.Nc6+–) 1–0. Schiendorfer,F (2175) – Du Bois,Y (2120), TCh–SUI, 2015. (=1.Nf3 d5 2.e3 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.Nbd2 c6 7.c4 b6)

8.Bd3 a5 9.ba5 ba5 10.0-0 Na6 11.a3 c5 12.Rb1 Rb8 13.Qe2 Bg4 14.cd5 Qd5? (better is 14...Nc7+/–) 15.Ba6+– cd4 16.Bd4 Rb1 17.Rb1 Ne4 18.Bb7 Bf3 19.Nf3 (< 19.Bd5 Be2 20.Ne4 Bd4 21.ed4 Rd8+–; < 19.Qf3 Qd4 20.ed4 Nd2+–) 19...Qe6 20.Bg7 Kg7 21.Nd4 Qd7 22.Be4 f5 23.Rb7 Qa4 24.Ne6 Kf7 25.Nc5 Qa3 26.Qc4 Kg7 27.Ne6 Kh6 28.Bb1 Rf6 29.Qh4# 1–0. pierre – oppo, internet, 2012.

8.Bd3 dc4 9.Nc4 b5+=.

8.Be2 a5 9.b5 (9.ba5 Ra5 10.0-0 Bf5=) 9...cb5 (9...dc4 10.Bc4 cb5 11.Bb5=) 10.cb5 Nbd7 (10...Bf5 11.Rc1+=) 11.a4 (11.Rc1 Kh8+=) 11...Re8 12.0-0 e5 (12...Ra7!?+=) 13.Ne5+/– Nh5 (better is 13...Ne5!? 14.de5 Nd7+/–) 14.Nc6+– Qc7 (14...Qg5 15.Bh5 gh5 16.Nf3+–) 15.Ba3 (15.Rc1 Nb8+–) 15...Ndf6 (15...Nhf6 16.Ne7 Kh8 17.Bf3+–) 16.Rc1 Ne4 17.Ne4 de4 18.Bh5 gh5 19.Qh5 (19.Ne7 Re7 20.Rc7 Rc7 21.Qh5 Be6+–) 19...Be6 (19...Qd7 20.Rc2+–) 20.d5 (20.d5 Bc8 21.Ne7 Re7 22.Rc7 Rc7 23.Bb2+–) 1–0. Janek – quguqu, internet, 2017.

8.Be2 Bb7 9.0-0 Nbd7 10.a4 Rc8 11.Qb3 Re8 12.Rac1 White prepares c5 12...e6 13.Rc2 Ne4 (13...Qe7 14.Rfc1+=) 14.Ne4+/- de4 15.Nd2 f5 16.c5 bc5 17.bc5 (17.dc5 Bb2 18.Qb2 Rb8+/-) 17...Rb8 18.Qa2 Bc8 19.Nc4 Nf6 20.Nd6 Re7 21.f3 (21.Bc3 Ne8 22.Nc8 Qc8+/-) 21...ef3 22.Bf3 Nd5 23.Re2?? (better 23.Qa3+=) 23...Ba6-/+ 24.Rfe1 Be2 25.Re2 Qa5 26.e4? (better 26.Ba1-/+) 26...fe4 27.Be4 (27.Ne4 Reb7 28.Kf1 Qa6-+) 27...Nc3 28.Bc3 Qc3 29.Bc6 (29.g3 Bd4 30.Kg2 Qc5 31.Nc4-+) 29...Bd4 30.Kf1 Rf8 31.Bf3 Qc5 (better 31...Rf3 32.gf3 Qf3 33.Ke1 Bc5-+) 32.Re6 Re6 33.Qe6 Kh8 34.Qe7 Qc1 35.Ke2 Qc2 36.Kf1 (36.Ke1 Bg7 37.h4-+) 36…Qf2 0-1. zumpili (2375) - adrianrdosina (2360), Rated Blitz game, lichess.org, 2021. (=1.Nf3 d5 2.d4 c6 3.c4 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 b6)

8.Be2 Bb7 9.0-0 Nbd7 10.cd5 cd5 (10...Nd5 11.Qb3=) 11.b5 Ne4 12.Ne4 de4 13.Nd2 Rc8 (13...e5 14.Nc4 ed4 15.Bd4=) 14.Nc4 Bd5 15.Rc1 Rc7 16.Qa4 Qb8 17.Nd2 Rfc8 18.Bc4 Qb7 19.Bd5 Qd5 20.Rc7 Rc7 21.Rc1 Rc1 22.Bc1 f5 23.Nb1 Nf6 24.Nc3 (24.h3 e6=) 24...Qd7 25.Qc4 e6 26.f3 ef3 27.gf3 Kf7 28.e4 (better is 28.Ba3=) 28...Ne4!–/+ 29.Ne4 (29.Ne4 Qd4 Double attack (29...Qd5 Decoy); 29.fe4 Qd4 Double attack) 29...fe4 30.fe4 Qd4 31.Qd4 Bd4 32.Kg2 Kf6 33.Kf3 Be5 34.h3 Ke7 35.Ba3 Kf6 36.Bc1 h5 37.Bd2 Bd6 38.Bc1 Bb4 39.Bf4 e5 40.Bc1 Ke6 41.Bh6 Be7 42.Bc1 ½–½. Westerberg,Jonathan – Semcesen,Daniel, Swedish Championship, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Nbd2 0-0 7.Bb2 b6 8.Be2 Bb7)

8.Be2 Be6 9.0-0 dc4 10.Nc4 Bd5 11.a4 Ne4 12.Rc1 c5 (12...Nd7!?+=) 13.bc5 (13.dc5 Bb2 14.Nb2 bc5 15.bc5 Nc6+-) 13...bc5 (13...Nd7+/-) 14.Ba1 (better 14.dc5!? Bb2 15.Nb2+-) 14...cd4 15.Nd4 Nd7 16.Bf3 (16.f3 Nec5+=) 16...Ndc5 (16...Rc8 17.Be4 Be4 18.Nd2=) 17.Nd2 Nd2 18.Qd2 Na4 19.Nc6 (19.Bd5!? Qd5 20.Qb4 Bd4 21.Bd4=) 19...Bc6=+ 20.Qd8 Rad8 (worse 20...Rfd8 21.Bc6 Nb6 22.Ba8 Ra8 23.Rc7+/-) 21.Bc6 Nb6 22.Bg7 Kg7 23.Ra1 Rd6 24.Bf3 Rd7 25.Rfd1 Rfd8 26.Rd7 Rd7 (26...Nd7?! 27.Ra7 Kf6 28.Kf1=) 27.Kf1 e6 28.Ke2 h5 29.Ra6 Rc7 30.Kd3 Kf6 31.h3 Ke7 32.g4 hg4 33.hg4 Kd6 34.Kd4 (better 34.g5-/+) 34...Ke7 (34...Rc4 35.Kd3 Ra4 36.Ra4 Na4 37.Kc4-/+) 35.Bh1 (35.Kd3 Nd7 36.Ke2-/+) 35...Kf6 36.f4 Rc4 (36...g5 37.Bf3-/+) 37.Kd3=+ Rc7 38.g5 (38.Kd4!?=) 38...Ke7=+ 39.e4 Nd7 40.Kd4 (40.Ke3!?-/+) 40...Nc5-+ 41.Ra3 a5 (41...e5 42.Ke5 Rd7 43.Bf3 Nd3 44.Rd3 Rd3 45.Be2-+) 42.f5 (better 42.Bf3!?=+) 42...gf5-/+ 43.ef5 ef5 44.Ke5 Nd7 45.Kf5 Rc5 46.Kf4? (46.Kg4 Nf8 47.Be4 Ne6-/+) 46...Nb6?? (better 46...Nf8-+) 47.Be4 a4 48.g6 fg6 49.Bg6 Kd6 50.Ke4 (50.Be8!?-/+) 50...Rc4-+ 51.Kd3?? (better 51.Kf3-+) 51...Rg4 52.Kc3 Rg6 53.Kb4 Kc6 54.Rh3 Rg4 55.Ka3 Kb5 0-1. jhonores (2205) - chessajedrezz2020 (2535), III TORNEO INTERCLUBES PRIMERA Team Bat, lichess.org, 2020.

8.a3 a5 9.c5 Qc7 10.Be2 b6 11.0-0 Ba6 12.cb6 Qb6 13.Bc3 ab4 14.Bb4 Qc7 15.Rc1 Be2 16.Qe2 Na6 17.Ne5 Nb4 18.ab4 Ne4 19.Ndf3 Qb7 20.Nc6 Rfc8 21.b5 Nd6 22.Rc5 e6 23.Rfc1 Bf8 24.h3 (24.Nd2 Ra2 25.Qe1 Rb2+=) 24...Nc4+= 25.R5c4 dc4 26.Qc4 Bd6 27.e4 Rab8 28.e5 Bf8 29.d5 ed5 30.Qd5 Rc7 31.Nfd4 Re8 32.e6 Kh8 33.Re1 Bg7 34.e7 Kg8 35.Qd8 Rc8 36.Qd6 Rc7 37.b6 Rd7= 38.Qc5 Bd4+= 39.Nd4 Rde7 40.Rf1 Re5 41.Qb4+= Re4 42.Qb2? R8e7 43.Nf3 R4e6 44.Rb1 Rd6 45.Ng5 h6 46.Nf3 Ree6 47.Qc1 Kh7 48.Qc7 Rd7 49.Qc5 Rde7 50.h4 Qe4 51.Re1 Qb7 52.Rb1 Rd7 53.h5+= Rd5 54.hg6 Rg6 55.Qe3 Rdd6–/+ 56.Nh4 Rge6 57.Qf4 Rf6 58.Qe5 Rb6–+ 59.Rd1 Rbe6 60.Qd4 Rd6! 61.Qa4 Rd1 62.Qd1 Qe4 63.Nf3 Rg6 64.Qb3 Rf6 65.Qc3?? Rc6–+ 66.Qd2 Rb6 67.Kh2 Rc6 68.Nd4?? Rd6–+ 0–1. Song,Julien – Eden,James, Saint Paul Trois Chateaux FRA, U20 (b), 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Qb6)

8.a3 a5 9.Be2 ab4 (9...Bf5 10.c5 Qc7 11.0-0=) 10.c5+= Qc7 11.ab4 Ra1 12.Qa1 Bf5 13.Qa3 (13.0-0 Rc8+=) 13...Nbd7= 14.0-0 Ng4 (14...Ne4 15.Ra1+=) 15.Ra1 e5 16.de5 Nde5 17.Ne5 Ne5 18.f4 Ng4 19.Bg7 Kg7 20.h3 Nf6 (20...Nh6 21.g4 Bc8 22.Qc3 f6 23.Nb3+=) 21.g4+/- Ne4?? (better 21...Be4+/-) 22.gf5+- Nd2 23.Qb2 Kg8 (23...Kh6 24.Qd2 Qc8 25.Bd3+-) 24.Qd2 Rd8 (24...Qc8 25.Qd3+-) 25.Qd4 Qd7 26.Bd3 Qe7 27.Kg2 (better 27.f6 Qc7+-) 27...Qh4 (27...Re8 28.f6 Qd8 29.f5+-) 28.Qe5 Qh5 (28...Qh6+-) 29.Qe7 Rf8 30.f6 g5 (30...Qh6+-) 31.Qf8! (31.Qf8 Kf8 32.Ra8) 1-0. PierrE – Wisdomer, internet, 2022.

8.a3 Bg4 9.c5 Qc7 10.Bd3 Nfd7 11.h3 Bf3 12.Nf3 (worse is 12.gf3 e5=) 12...e5 13.de5 Ne5 14.Be5 Be5 15.Ne5 Qe5 16.0-0 Nd7 17.Bc2 f5 18.Qd4 Qe7 19.Rab1 Rf7 20.Rfe1 Nf8 21.Rbd1 Ne6 22.Qc3 Re8 23.a4 (better is 23.Bd3!?=) 23...a5–/+ 24.ba5 Ra8 25.Rb1 Qc5 Attacking the isolated pawn on a5 26.Qe5 Nf8 (26...Ra5? 27.Qe6 Qe7 28.Qc8 Qf8 29.Qf8 Kf8 30.Rb6+–) 27.Bd3 Ra5 28.Rec1 Qe7 29.Qe7 Re7 30.Rb4 Ne6 31.Kf1 (31.Rcb1 Ra7–/+) 31...Kf8 (31...c5 32.Rb6–+) 32.Be2 Ke8 33.Ke1 Kd8 34.Kd1 Nc5 35.Ra1 (35.Rb5 cb5 36.Rc5 d4 37.Bb5 de3–+) 35...Re4 36.Re4 fe4 37.Kc2 Ra4 38.Ra4 Na4 39.f3 Nc5 40.Kc3 Kc7 41.f4 Kd6 42.Bg4 Nd3 43.f5 b5 (better is 43...Ne5!? 44.fg6 hg6 45.Be2–+) 44.f6 0–1. Kreiter,Thomas – Neelotpal,Das, 5th Deizisau Germany, Herbstopen, 2010. (=1.d4 d5 2.Nf3 Nf6 3.Nbd2 g6 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Qb6)

8.a3 Bg4 9.Bd3 a5 10.c5 Qc7 11.h3 Bf3 12.Nf3 ab4 13.ab4 Nbd7 14.0-0 b6 15.Qc2 bc5 16.bc5 Rfb8 17.Rfb1 Ra1 18.Ra1 Qb7 19.Bc3 Qb3 20.Ra7 h6 21.Rc7 e6 22.Rc6 Qb7 23.Ra6 Qc8 24.Ba5 e5 25.c6 e4 26.c7 Rb7 27.Ra8 1–0. Pachurka,Roland – Vieth,Martin, E7Kl036 DESC, 2002.

8.Qb3 a5 9.b5 a4 10.Qa3 dc4 11.bc6 (worse is 11.Bc4 cb5 12.Qb4 Ra6–/+) 11...Nc6 12.Bc4 Nb4 13.Rc1 Bf5 14.0-0 Nc2 15.Qc3 a3 16.Ba1 (16.Rc2 Bc2 17.Ba3 Qd8+=) 16...Na1= 17.Qa1 Qb2 18.Rc3 b5 19.Bd3 Rfc8 20.Rb3 Qa1 21.Ra1 Bd3 22.Rd3 Rc2 23.Rb3 Rb2 24.Kf1 Nd5 25.Ke2 b4 26.Kd3 Nc3 27.Re1 e5 28.de5 (28.Rb2 ab2 29.de5 Ra2+=) 28...Rd8–/+ 29.Nd4 Rb3 30.ab3 a2 (30...Be5 31.Ra1–/+) 31.Ra1 (better is 31.f4!?=) 31...Be5–/+ 32.Kc4 Ne2 (better is 32...Bd6!?–/+) 33.N2f3= (33.Ra2? Rc8 (33...Nd4?! 34.ed4 Rd4 35.Kc5=) 34.Nc6 Rc6 35.Kb4 Rc8–+) 33...Bd4 (33...Rc8!? 34.Kb4 Bd6 35.Kb5 Nc3 36.Kb6 Kg7=) 34.Nd4+= Nd4 (34...Rc8!? 35.Kb4 Nc1+=) 35.ed4+/– Rc8 36.Kb4 Rc2 37.Ka3 Rf2 38.Ra2 Rf4 39.Rd2 Kf8 40.Kb4 Ke7 41.Kc5 Kd7 42.b4 Rf1 43.Ra2 Rc1 44.Kd5 1–0. Arkell,Keith C (2425) – Moskovic,D (2320), 4NCL, 2012. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 c6 6.c4 0-0 7.Nbd2 Qb6)

8.Bc4 a5 9.b5 cb5 10.Bb5 Bd7 11.Bd7 Nbd7 12.a4 Re8 13.0-0 e5 (13...Rc8 14.Rb1+=) 14.de5 (14.Ne5 Ne5 15.de5 Nd7+–) 14...Ng4 15.e6 Re6? (better 15...fe6!? 16.Bg7 Kg7+–) 16.Bg7+– Kg7 17.Nd4 (17.Nd4 Nde5 18.Ne6 fe6 19.Nb3+–) 1–0. Pierre – Bambu, internet, 2020.

8.Bc4 b5 9.Be2 Qd6 10.a3 (10.a4 Ba6+=) 10...a5 11.ba5 Ra5 12.Nb3 Ra7 13.0-0 Ne4 14.Qc2 Qd5 15.Bd3 Ng5 16.Ng5 Qg5 17.Qc5 Qc5 18.Nc5 (18.dc5?? Bb2 19.Ra2 Bg7–+) 18...Nd7 19.Rfc1 e5 20.Nd7 Rd7 (20...Bd7 21.de5 Rc8 22.Bd4+/–) 21.Rc6 ed4 22.Bd4 Bd4 23.ed4 Rd4 24.Bb5 Bd7 25.Rb6 (25.Rc4 Rc4 26.Bc4 Rc8+/–) 25...Bb5 26.Rb5 Ra8 27.g3 Raa4 28.Rb3 Ra7 29.Re3 Kf8 30.h4 h5 31.Kg2 Rda4 32.Kf3 R7a6 33.Ke2 ½–½. Perez De La Torre,Jorge – Sosa Sosa,Jose Manuel, 1st Torneo Promocion Ajedrez El Sauzal, 2013. (=1.d4 d5 2.Nf3 g6 3.Nbd2 Nf6 4.e3 Bg7 5.b4 c6 6.Bb2 0-0 7.c4 dc4)

8.Bc4 Be6 9.Be6+/– fe6 10.e4 a6 (10...Na6!?+/–) 11.Ng5+– Qd6 12.Qb3 h5? (better is 12...Bh6 13.Ndf3 Bg5 14.Ng5 Qf4 15.Qe6 Kh8+–) 13.Nc4 Qf4 (13...Qd8 14.Ne6 Qe8 15.Ne5+– (worse is 15.Nf8 Kf8 16.Qf3 Kg8+–)) 14.Bc1 (14.Ne6?! Qe4 15.Ne3 Nd5 16.Nf8 Kf8+–) 14...Qh4 15.Ne5 Ne4 (15...Nd5 16.g3 Be5 17.de5 Qg4+–) 16.Qe6 Rf7 17.Qf7 (17.Nef7?? Qf2 18.Kd1 Nc3; 17.Ngf7?? Qf2 18.Kd1 Nc3) 17...Kh8 18.Ng6 1–0. pierred (2795) – fishmooney (2115), net–chess.com, 2016.

8.Nc4 Nd5 9.Qd2 Nd7 10.Bd3 Qc7 11.0-0 N7f6 12.Rfe1 Rd8 13.Rac1 Nb6 14.Qc2 Nfd5 15.Qb3 Bg4 16.Nce5 Bf3 17.Nf3 Qd7 18.b5 cb5 19.Bb5 Qd6 (19...Qg4 20.a4 e6 21.a5+/–) 20.Ne5 (better is 20.e4!? Nf4 21.Ba3+–) 20...a6 21.Ba3 Qe6 22.Bf1 Rac8 23.Nd3 Nc7 (23...Rc1 24.Rc1 (24.Nc1?! Bd4 25.Nd3 Bg7=; 24.Bc1?! Qc6+=) 24...a5 25.Nc5+–) 24.Qe6+– Ne6 25.Be7 Re8 26.Bb4 Nd5 27.Bd2 f5 28.Nb4 Ndc7 29.Bc4 Kh8 30.Bb3 Rcd8 31.d5 Nb5 32.a4 Na7 33.Red1 Nf8 34.Nd3 Re7? (34...b5+–) 35.Ba5 Rde8 36.d6 Rd7 37.Nc5 Nc6 38.Bb6 Bf6 1–0. Ulanov,Alexandr (2315) – Yakimkin,Igor (2170), Dimitrovgrad Petrosian Memorial, 2009. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 dc4)

8.Nc4 Nbd7 9.a3 Nb6 10.Nce5 Nfd7 11.Nd3 Nf6 12.Be2 Ne4 13.Nde5 Nd7 14.Nd7 Bd7 15.Bd3 Nf6 16.0-0 e6 17.Ne5 b6 18.Rc1 Rc8 19.Ba6 Rc7 20.h3 Ne4 21.Bd3 Nf6 22.Be2 Nd5 23.Bf3 Be5 24.de5 Qe7 25.Qd2 Qd8 26.Rfd1 Qc8 27.Qd4 Rd8 28.Qh4 Rf8 29.e4 Qd8 30.Qd8 Rd8 31.ed5 ed5 32.Bd5 1-0. SmashingU (1855) - stronger (1900), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nf3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2)

8.Nc4 Nbd7 9.Be2 b6 10.0-0 Bb7 11.Qb3 Qb8 12.Rac1 Rc8 13.Rfd1 e6 14.Nfe5 a5 15.ba5 b5 16.Nb6 Nb6 17.ab6 Nd5 18.Nd7 Qd6 19.Nc5 Rcb8 20.Bf3 (20.Nb7?! Rb7 21.e4 Nb6+=) 20...Bc8 21.b7 Bb7 22.e4 Ne7 23.Ba3 Qd8 24.d5! cd5 (24...cd5 25.Qb5 Deflection; 24...ed5 25.Nb7 Decoy) 25.Nb7 Rb7 26.Be7 (26.ed5?! A) 26...ed5? 27.Be7 (27.Bd5?! Nd5 28.Rd5 Rd7=) 27...Qe7 28.Bd5+-; B) 26...Nd5 27.Bd5 ed5 28.Rd5 Rd7=) 26...Re7 27.ed5 (27.Qb5?! d4=) 27...Rc8 28.de6 (28.Qb5?! Rc1 29.Rc1 ed5 30.Bd5 Qd6+/-) 28...Rc1 29.ef7 (29.Rc1?! Re6 30.Bd5 Re5 31.Bf7 Kh8+/-) 29...Kf8 30.Rc1 Bd4 31.Bd5 (31.Qb5?! Bf2 32.Kh1 Qd2+/-) 31...Qc7? (31...b4 32.h3+-) 32.Rf1 (better 32.Qa3 Bf2 33.Kf2 Qf4 34.Bf3 Kf7 35.Qb3 Kf6 36.Qb2 Qe5 37.Rc6 Kg7 38.Qe5 Re5 39.Rb6+-) 32...Qc5 33.Qf3 Re5 34.Bb3 Rf5 (34...Kg7 35.h3+-) 35.Qa8 Kg7 36.g4 Bf2?? (better 36...Rf4 37.Kh1 Qe7+-) 37.Kg2 (37.Kh1!? Rf4 38.g5 Rf7 39.Bf7 Kf7+-) 37...Rf4 38.h3 b4 39.Kh1 (better 39.Qg8 Kh6 40.Qd8 Qc6 41.Qd5 Qd5 42.Bd5 Rf7 43.Bf7 Bd4+-) 39...Kh6 (39...g5+-) 40.Kg2 Qe3?? (40...Kg7 41.Qg8 Kh6+-) 41.f8Q+- (41.f8Q Rf8 42.Qf8 Kg5 43.h4 Kg4 44.Qb4 Qf4 45.Be6 Kh5 46.Qf4 Be3 47.Bg4 Kh4 48.Rh1) 1-0. Hansen,SuB (2580) - Semcesen,D (2460), Bistro Stella Limhamn, 2018. (=1.d4 (A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems) 1...d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2)

8.a4 b6 9.Ba3 Bb7 10.cd5 cd5 11.b5 Re8 12.Bd3 e5 13.de5 Ne5 14.Ne5 Re5 15.Bb2 Re8 16.Nf3 Ne4 17.0-0 Bb2 18.Ra2 Bg7 19.Qb3 Nf6 20.Rd1 Qd6 21.Rc2 Rac8 22.Rdc1 Rc2 23.Rc2 Ne4 24.h3 Nc5 25.Qa3 Qf6 26.Be2 Qa1 27.Qa1 Ba1 28.a5 Bg7 29.a6 Ba8 30.Nd4 Bd4 31.ed4 Ne6 32.Rd2 Nd4 33.Bg4 Ne6 34.g3 Rd8 35.f4 d4 36.f5 Nc5 37.f6 d3 38.Kf2 Bd5 39.Ke3 Bc4 40.Be2 Bb5 41.h4 Ba6 42.g4 Re8 43.Kd4 de2 0-1. Josemar (1705) – borisr, Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 d5 3.Nbd2 g6 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 Nbd7)

8.a4 dc4 9.Bc4 Nd5 10.b5 N7b6 11.Be2 cb5 12.ab5 Bd7 13.0-0 Nc7 14.Qb3 Qe8 15.Ra5 Nc8 16.Ne5 Be5 17.de5 b6 18.Raa1 Bb5 (worse is 18...Nb5 19.e6 Bc6 20.ef7 Rf7 21.Rfc1+/–) 19.Nc4 Ne6 20.Rfc1 Rb8 21.Bg4 Bd7 22.Qc3 b5 23.Nd2 Rb7 24.Qb4 Qd8 25.Nb3 Nb6 26.Be6 fe6 27.Nc5 Rc7 28.Rd1 Qc8 29.Nd7 Rd7 30.Rdc1 Qb7 31.Qb5 Rd2 32.Rf1 Qe4 33.Bc3 (worse is 33.Ra7 Qc2 34.h3 Qb2 35.Qb2 Rb2 36.Re7 Rf5–/+) 33...Rc2 34.Bd4 Nd5 35.Qb3 Qf5 36.f3 (36.Ra7?? Qf2 37.Rf2 Rc1 38.Qd1 Rd1 39.Rf1 Rff1#) 36...Rfc8 37.Rf2 Rf2 38.Kf2 Rc2 39.Kg1 Rd2 40.Rd1 (40.Ra7 Qg5 41.g3 Qh5 42.Ra8 Kg7 43.h3 Qf3 44.Rg8 Kh6 45.Rg6 hg6 46.Qd5 Qd1#) 40...Rd1 41.Qd1 Qg5 42.f4 Qf5 43.Ba7 Nc3 44.Qe1 Qc2 45.h3 h5 46.Kh2 Kf7 47.Bc5 Ne4 48.Ba3 Nd2 49.Kh1 h4 50.Bb4 (50.Qh4?! Qd1 51.Kh2 Nf1 52.Kg1 Nd2 53.Kh2 Nf1 54.Kg1 Nd2 55.Kh2=) 50...Ne4 51.Qh4 Qb1 52.Qe1 Qb2 53.Kh2 Ke8 54.Ba5 Qb3 55.Qc1 Kf7 56.Be1 Qd3 57.Bh4 Nd2 58.Qc5 Nf1 59.Kh1 g5 60.Bg5 Ng3 61.Kh2 Nf5 62.Qa7 Qe2 63.Qa3 Qe1 64.e4! Qe4 65.h4 Qe2 66.Qc5?? (better is 66.Qb3+–) 66...Qe1= 67.Qa3 Qe2 68.Qb3 Ne3 69.Qb7 Nf5 70.Qb1 Kg7 71.Qc1 Qf2 72.Qa3 Kg6 73.Qb3 (73.Qd3 Kg7 74.h5 Qa2+–) 73...Kf7 74.h5 (better is 74.Qd3+–) 74...Ne3= 75.Qb7 Nf1 76.Kh1 Ng3 ½–½. Kaenel,Hansjuerg (2350) – Fauland,Alexander (2425), SUI–ch int Switzerland, 1992. (=1.Nf3 g6 2.d4 Nf6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.c4 Nbd7 7.Nbd2 c6)

8.a4 Ne4 9.cd5 Nd2 10.Qd2 (worse 10.Kd2 cd5 11.Bd3 Nf6=+) 10...cd5 11.Bd3 Nf6 12.0-0 Ne4 13.Qe2 Nd6 (13...Bg4!?=+) 14.Rfc1= Bf5 15.Bf5 gf5 16.Nd2 (16.Ne5 e6+=) 16...e6 17.b5 Kh8 (17...Qd7 18.Ba3+=) 18.Ba3+/- Rg8 19.g3 (19.Qh5 Rf8+/-) 19...f4 20.Bd6 (20.gf4? Bd4 21.Kh1 Ba1 22.Ra1 Rc8-+) 20...Qd6 21.Nf3 Bf6 22.Rc2 a6 23.Rac1 ab5 24.ab5 Ra3 25.Rc3 Rc3 26.Rc3 fe3 27.Qe3 Kg7 28.Kg2 Ra8 29.Ne5 Be5 30.Qg5 (worse 30.Qe5 Qe5 31.de5 Ra5=+) 30...Kf8 31.de5 (31.Qe5?! Qe5 32.de5 Ra5=) 31...Qe7 (31...Qd7!?+/-) 32.Qh6 Kg8 33.Rf3 (better 33.b6!?+-) 33...Ra4+= 34.b6 Re4 35.Rc3 Rc4 36.Rb3 Rc6 37.Rb2 Rc8 38.Ra2 Qf8 (38...Qb4 39.Qg5 Kf8 40.Qf6=) 39.Qf4 Rc6 40.Qg5 Kh8 41.Qf6 Kg8 42.Ra4 Rc4?? (better 42...h6+=) 43.Ra7 (better 43.Qg5 Kh8 44.Ra7+-) 43...Rc8?? (better 43...Qb8+-) 44.Rb7 Rd8 (44...h6+-) 45.Rf7!! Qf7 46.Qd8 Kg7 47.Qf6! (47.Qf6 Qf6 48.ef6 Kf7 49.b7+-) 1-0. Sargissian,G (2685) - Kovalev,Vl (2680), World Blitz, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Nbd7)

8.a4 Ne4 9.Be2 Re8 10.0-0 Nd2 11.Qd2 Nf6 12.h3 Ne4 13.Qc2 White prepares the advance c5 (13.Qe1 a5=) 13...Nd6 (13...Qd6 14.b5=) 14.c5 Bf5 15.Qb3 White intends b5 15...Ne4 16.Rfd1 (16.a5 Rb8+=) 16...f6 (16...b6 17.Rac1=) 17.b5 (17.Bd3 e5+=) 17...Qd7 (17...e5 18.Qb4=) 18.Ne1 (18.Nh4 e5+=) 18...e5= 19.Nd3 h5 (19...Rac8 20.Rab1=) 20.a5 cb5 21.a6 ed4 22.Bd4 Rec8 23.Ra5 ba6 24.Ra6 Qb7 25.Qa2 Kh7 (25...Qf7 26.c6+/-) 26.Qa5 (26.Rc1!?+/-) 26...Bd7 27.Bf3 (27.Ra1 Rc7+=) 27...Ng5= 28.Bf6 (28.Be2 Ne4=) 28...Nf3=+ 29.gf3 Bh3 (better 29...Bf8=) 30.Rd6?? (30.Bg7 Kg7 31.Nf4 Bf5 32.Rd5 Rc6 33.Qc3 Kh7 34.Rc6 Qc6+-) 30...Qf7 (better 30...Bf8 31.Nf4 Bd6 32.cd6 Bd7-+) 31.Bg7?? (better 31.Ne5 Qc7 32.Qc7 Rc7 33.c6=) 31...Qf3-+ (31...Qg7 32.Qb5 Qe7 33.Nf4 Qg5 34.Kh1+/-) 32.Nf4 (32.Ne1 Qd1 33.Bd4 Qg4 34.Kh2 Bf1-+) 32...Qd1 (32...Kg7 33.Rg6 Kh7 34.Rd5 Qd5 35.Nd5 Kg6 36.Ne7 Kf6 37.Nc8 Rc8 38.Qa7 Rg8 39.Kh2+-) 33.Kh2 Bf5 (33...Kg7 34.Rg6 Kh7 35.Qa6+-; 33...Rc5 34.Bd4 Rc1 35.Nh3 Qh1 36.Kg3 Rg1 37.Ng1 Qg1 38.Kh3 Qh1 39.Kg3 h4 40.Kf4 Qe4 41.Kg5 Qg2 42.Kf6 Qf2 43.Ke6 Qf5 44.Ke7 Qf8 45.Ke6 Re8 46.Kd5 Qf7 47.Kc6 Rc8 48.Qc7 Qc7 49.Kb5 Qc4 50.Ka5 Rb8 51.Rd7 Kh6 52.Rb7 Rb7 53.Bg7 Kg7 54.e4 Qb5) 34.Qc3 (34.Rd5 Qf1 35.Be5 Qf2 36.Ng2-+) 34...Be4 35.Ng2 (35.Qa1 Qf3 36.Qg1 Kg7 37.Ne6 Kg8 38.Nf4-+) 35…Qf3 (35...Qf3 36.Rg6 Bg6-+ (36...Kg6 37.Nh4 Kh7 38.Nf3 Bf3 39.Qf6+-)) 0-1. Gedajlovic,Max (2270) - Zapata,Alo (2420), Am. World Cup Q Prelim, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 Nbd7 7.Bb2 c6)

8.a4 e5 9.de5 Ng4 10.cd5 cd5 11.Qb3 (11.Rc1 Nge5 12.Bd4 Qe7+=) 11...Nde5 12.h3 Nf3 13.Nf3 Nf6 14.Be2 Be6 15.Bd4 Ne4 16.Qb2 Bd4 17.Qd4 Qf6 ½–½. Koellner,Christof (2115) – Budzyn,Matthias (2160), Heusenstamm Schloss Open, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Nbd7 7.c4 c6)

8.a4 e5 9.de5 Ng4 10.cd5 cd5 11.Bd4 Nde5 (11...Be5 Not 12.Ne5 Nge5 13.b5+/–; 11...Nge5?! 12.Bb5=) 12.Ne5 Ne5 13.Be2 Bf5 14.0-0 Re8 15.Qb3 Qd6 16.Rad1 Rac8 17.Rc1 ½–½. Duerr,Hanno (1835) – Bierwisch,Bernhard (2085), Wuerttemberg–ch Seniors, 2001. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 Nbd7)

8.a4 e5 9.de5 Ng4 10.cd5 cd5 11.Be2 Nde5 12.Qb3 Be6 13.Bd4 Nf3 14.Nf3 (worse is 14.Bf3 Bd4 15.ed4 Qh4=) 14...Bd4 15.Nd4 Qh4 16.Bg4 Qg4 ½–½. Dimitriadis,Michael (2090) – Wittmann,Walter (2375), Graz op, 2005. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 Nbd7 7.Bb2 c6)

8.a4 Re8 9.Bd3 a5 10.b5 c5 11.0-0 cd4 12.ed4 (12.Bd4? e5–+) 12...dc4 13.Nc4 Nb6 14.Nce5 Be6 15.Ra3 Bd5 16.Qe2 Rc8 17.Rc1 Qd6 18.Nc4 Nc4 19.Bc4 Bc4 20.Rc4 Nd5 21.Ra1 Nf4 22.Qc2 Qe6 23.Rc5 Qg4 24.Ne1 Rcd8 25.f3 Qe6 26.Rd1? (26.Kh1!? Qe3 27.Rd1–/+) 26...Bd4! 27.Bd4 (27.Bd4 Ne2 Double attack (27...Ne2 Decoy); 27.Rd4 Qe1 Mate attack) 27...Rd4 28.Kf1 Rd1 (better is 28...Nd5!? 29.Rd5 Qd5 30.Rd4 Qd4–+) 29.Qd1–/+ Rc8 30.Rc8 Qc8 31.Qd4 Ne6 32.Qd5 b6 33.h4 Qc5 34.Qe4 h5 35.g4 hg4 36.fg4 Qc1 37.Kf2 Qd2 38.Kg3 Qd6 39.Kf2 Nc5 40.Qc4 Qd2 41.Kf1 Qd1 42.Qe2 Qa4 43.Qe7 Qb5 44.Kg2 Qd7 45.Qe2 Qe6 46.Qd1 Qe4 47.Kg3 Ne6 48.Qc1 Qe5 49.Kg2 Qf4 50.Qf4 Nf4 51.Kf3 Ne6 52.Ke4 b5 53.Kd5 b4 54.Nd3 Kg7 55.Kc4 Nc7 56.Nc5 f5 57.gf5 gf5 58.Nb7 b3! 59.Kb3 f4 60.Na5 f3 (better is 60...Kh6–/+) 61.Nc4= ½–½. Lebed,Petr – Matjushin,Oleg, Kiev Independence Cup op, 1998. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 c6 5.e3 0-0 6.Nbd2 d5 7.Bb2 Nbd7)

8.Qb3 a5 9.b5 a4 10.Qa3 Re8 (10...cb5 11.cb5 Bh8 12.Rc1+=) 11.Be2 dc4 (11...cb5 12.cb5 Nf8 13.h4=) 12.Bc4 (12.bc6 bc6 13.Nc4 Bf8=) 12...cb5 13.Bb5 Qa5 14.Qd3 Nd5 15.a3 (15.Rc1 a3 16.Bc3 Nc3 17.Rc3 Rd8=) 15...Rd8 (15...Nc7 16.Bd7 Bd7 17.0-0=) 16.0-0 (16.Rc1 N7b6=) 16...Nc7 (16...Nc5 17.Qe2=) 17.Bc4 b5 (17...Nc5 18.Qc2 N5e6 19.Ne4+=) 18.Ba2 Ba6 19.Rfc1 e6 20.Bc3 (20.Rc6 Rac8=) 20...Qb6= 21.Bb4 Nf6 (21...Nd5 22.Bd5 ed5 23.Nb1+=) 22.Bc5 Qb8 23.Ne5 Qb7 24.Qc2 Ncd5 25.Rab1 Rac8 26.Qd1 h5 (26...Nd7 27.Nd7 Rd7=) 27.Bc4 (27.Qf3 Qc7+/–) 27...Nc7?? (better is 27...Rc5!? 28.dc5 Qc7 29.Bd5 Nd5=) 28.Be2 (28.Qe2 Qa8 29.Bd3 Nd7 30.Nd7 Rd7+/–) 28...Nfd5 (28...Ncd5 29.Rc2+/–) 29.Ndc4! Ne8 (29...bc4 30.Rb7 Deflection Pinning) 30.Nd3 (30.Na5 Qa8 31.Bf3 Nd6+/–) 30...Qa8 (30...bc4!? 31.Rb7 cd3 32.Rf7 de2 33.Rg7 Kg7 34.Qa4 Rc5=) 31.Nce5 Nec7 32.Qe1 Bb7 33.e4 Nf6 34.f3 Bh6 35.Be7 Bc1 36.Rc1 Nce8 37.Bd8 Rd8 38.Qb4+– Nd6 39.Nc5 Ba6?? 40.Na6+– Qa6 41.Rc6 Qa8 42.Rd6 Rc8 43.Qb5 Rc1 44.Kf2 Kg7 45.Rc6 Ra1 46.Rc7 Ne4 47.fe4 Qe4 48.Rf7 Kh6 49.Nf3 Qd5 50.Qe8 (50.Qe8 Qf3 51.gf3 Rd1 52.Qf8 Kg5 53.Qe7 Kh6 54.Rh7; 50.Qb8 Rf1 51.Bf1 Qd4 52.Nd4 h4 53.Qh8 Kg5 54.Ne6 Kg4 55.Rf4) 1–0. Dobrzhanskaia,Irina – Kazak,Maryna (2060), UKR–ch U16 Girls, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6 7.Nbd2 Nbd7)

8.Qb3 a6 9.Bd3 Rb8 10.0-0 e6 11.a4 Qe7 12.h3 h6 13.b5 ab5 (13...c5 14.Rfc1+=) 14.ab5+/– Nh7? (better is 14...c5+/–) 15.cd5+– ed5 16.Ba3 c5 17.Qd5 b6 18.Qb3 (18.Bg6 Ndf6 19.Bh7 Nh7 20.dc5 Ba1 21.Ra1 Rd8+–) 18...Bb7 (18...Kh8 19.Bb2+–) 19.Bg6 Ng5 20.Ng5 hg5 (20...Qg5 21.Be4+–) 21.Bf5 +–. pierred – schack08, internet, 2008.

8.Qb3 b6 9.a4 (9.cd5 cd5 10.Be2 Bb7=) 9...Bb7 10.Be2 e6 (10...Qc7 11.a5=) 11.0-0 a5 12.Rac1 (12.ba5 Ra5 13.Bc3 Ra7=) 12...Qb8 (12...ab4 13.Qb4 c5 14.Qb3+=) 13.b5 c5 14.Ne5 Ne5 15.de5 Nd7 (15...Ne4!? 16.Ne4 de4=) 16.f4+= Rd8 17.Qc2 Nf8 (17...Qc7 18.Rcd1+/–) 18.Bf3 (18.Rf3!?+/–) 18...Qc7+= 19.cd5 ed5 (worse is 19...Bd5 20.e4 Bb7 21.Nc4+–) 20.e4 d4 21.Nc4 f6? (better is 21...g5 22.fg5 Be5=) 22.Nd6 h6?? (better is 22...Rd6 23.ed6 Qd6+–) 23.Qc4 Kh7 24.Nb7 Qb7 25.e6 (better is 25.ef6 Bf6 26.e5+–) 25...Qe7 26.f5 Rac8 27.Rcd1 Rc7 (27...h5 28.g3+–) 28.Bc1 (28.Be2 Re8+–) 28...g5 (28...h5 29.Be2+–) 29.Bh5 Qd6 30.Be3! Qe5 (30...de3 31.Rd6 Pinning (31.Rd6 Deflection)) 31.Bf3 Re7 32.Bf2 Qc7 (32...Ne6 33.fe6 Qe6 34.Qc2+–) 33.Bg3 Qa7 34.Rfe1 White prepares the advance e5 34...Kh8 35.e5 (35.Rd2 Kg8+–) 35...Nh7 (35...fe5 36.Re5 (36.Be5?! Be5 37.Re5 Nh7+/–) 36...Nh7 37.Ree1+–) 36.Bh5 (36.ef6 Nf6 37.Qe2 Kh7+–) 36...fe5 37.Be5 (better is 37.Re5!? Nf6 38.Be2+–) 37...Be5+/– 38.Re5 Nf6 39.Bf3 Qc7 40.Ree1 (40.Re2 Qd6+/–) 40...Kg7+= 41.g3 Rf8 42.Qe2 Rd8 43.Qc4 Rf8 44.Qe2 Rd8 45.Bh5?? (45.Bc6 Qd6 46.Qd3 Rf8+/–) 45...Nd5?? (45...d3 46.Qb2 c4–+) 46.Bf7 (46.Qd3 Rf8+=) 46...Nf6= 47.Qc4 ½–½. Soissong,Elzbieta (1620) – Claisse,Patrick (1785), Saint Affrique FRA, 2014. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d5 5.Bb2 0-0 6.Nbd2 Nbd7 7.c4 c6)

8.Qb3 dc4 9.Nc4 Nb6 10.Nb6 Qb6 11.Bc4 e6 12.0-0 a5 13.a3 Bd7 14.Ne5 Rfc8 15.Nd7 Nd7 16.Be6 fe6 17.Qe6 Kh8 18.Qd7 ab4 19.Rab1 ba3 20.Ba3 Qc7 21.Qc7 Rc7 22.Bc5 b5 23.Ra1 Rcc8 24.Rfc1 Kg8 25.g3 Kf7 26.Ra8 Ra8 27.Bb6 b4 28.Bc5 b3 29.Rb1 Rb8 30.Kf1 Ke6 31.Ke2 Kd5 32.Kd3 Bf8 33.e4 Ke6 34.Bf8 Rf8 35.f4 Ra8 36.Rb3 Ra2 37.h4 Rg2 38.Kc4 Re2 39.e5 Rc2 40.Rc3 Rb2 41.Kc5 Rb8 42.Ra3 Ke7 43.Ra7 Ke6 44.Kc6 Rb3 45.d5 Kf5 46.Rf7 Kg4 47.d6 Rc3 48.Kd5 Kg3 49.d7 Rd3 50.Ke6 Kh4 51.Rh7 Kg4 52.Rh8 1–0. Parr – Morrey, 1972.

8.Qb3 dc4 9.Bc4 Nb6 10.Bd3 a5 11.b5 Be6 12.Qd1 cb5 13.Bb5 Bf5 14.0-0 Qd5 15.a4 Rfc8 16.Qb3 Qb3 17.Nb3 Nc4 18.Bc4 Rc4 19.Nbd2 Rc7 20.Rfc1 Rac8 21.Rc7 Rc7 22.Ba3 b6 23.Ne5 Ne4 24.Ne4 Be4 25.Rc1 Rc1 26.Bc1 Bc2 27.Nc4 Ba4 28.Nb6 Bb5 29.f4 f5 30.Nd5 e6 31.Nc3 Bc6 32.g3 Bf8 33.Nb1 Kf7 34.Kf2 Bb4 35.Bd2 Bd2 36.Nd2 Ke7 37.Ke2 Bd5 38.Nb1 Kd6 39.Kd2 Ba2 40.Nc3 Bb3 41.Kc1 Kc6 42.Kb2 Bc4 43.Ka3 Bb5 44.Kb3 Bd3 45.Ka4 Kb6 46.d5 Bc2 47.Ka3 ed5 48.Nd5 Kc5 49.Nf6 h5 50.Nd7 Kc4 51.Ne5 Kc3 52.Ng6 Kd2 53.Nf8 (53.Ne5!?=) 53...Ke3–/+ 54.Ne6 Bd1 55.Ng7 Bg4 56.Ka4?? Kf3 ½–½. Lehikoinen,Pertti Ilari – Baljon,Christofoor, EU–ch U20 fin–B, 1970. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 c6 6.Nbd2 d5 7.e3 Nbd7)

8.Qb3 e6 9.a4 a6 10.Bd3 dc4 11.Nc4 b5 12.Na5 Qb6 13.Rc1 Bb7 14.0-0 Rac8 15.Rc2 c5 (better is 15...Nd5 16.Nb7 Qb7+/–) 16.Nb7?? (16.dc5 Nc5 17.Rc5 (17.bc5?! Qa5 18.ab5 Bd5+/–) 17...Rc5 18.Bd4 (18.bc5?! Qa5 19.ab5 Bf3 20.gf3 ab5+/–) 18...ba4 19.Qa3+– (19.Bc5?! Qa5 20.Bf8 ab3 21.ba5 Kf8+/–)) 16...c4= 17.Qa3 Qb7 18.Be2 Rfd8 19.Nd2 Nb6 20.Bf3 Qc7 21.ab5 ab5 22.Qa5 Na4 23.Qb5 Nb2 24.Rb2 c3 25.Rc2 Nd5 26.Bd5 Rd5 27.Qd3 Bf8?? (better is 27...e5=) 28.Ne4+– Kg7 29.Rc3 Qb7 30.Rc8 Qc8 31.Nc3 Rh5 32.b5 Bd6 33.f4 Qd8 34.g3 Bb8 35.Kg2 e5 36.fe5 Qd7 37.h4 Be5 38.Qe4 Bb8 39.Qc6 (39.Qc6 Qe7 40.e4 Bg3 41.Kg3 Qh4 42.Kf3+–) 1–0. Lunin,Mikhail (2230) – Shmatkov,Vladimir, Kolomna, 2009.

8.Qb3 e6 9.a4 dc4 10.Bc4 a5 11.b5 Nb6 12.Bd3 Bd7 13.0-0 Nfd5 14.Ba3 Re8 15.Rfd1 cb5 16.Bb5 (16.ab5!? Qc7 17.Ne4+/-) 16...Bb5= 17.Qb5 (better 17.ab5 a4 18.Qd3=) 17...Nc3-/+ 18.Qb3 Nd1 19.Rd1 Rb8 20.Ne4 Bf8 (20...Qd5 21.Qb6 Qe4 22.Bd6-/+) 21.Bc5 (21.Bf8 Rf8 22.Nc5 Nd5=+) 21...Nd5 22.Ne5 Nb4?? (22...f6 23.Nc4=+) 23.h4?? (better 23.Nd7! Kg7 24.Nb8 Qb8 25.Qb2+/-) 23...Kg7 (better 23...Nd5!?-/+) 24.Ng5= f6 25.Bf8 Kf8 26.Ne6 Re6 27.Qe6 The mate threat is Qf7 27...fe5 28.Qe5 Nc6 (better 28...Kf7=+) 29.Qh8+/- Ke7 30.Qh7 Kd6? (better 30...Kf8+/-) 31.Qg6+- Kc7 32.d5 Ne7 (32...Ra8 33.Qc2 Qh4 34.dc6 bc6+-) 33.d6 Kc8 (33...Kd7 34.de7 Ke7 35.Qg5 Ke8 36.Rd8 Rd8 37.Qb5 Kf8+-) 34.Qc2 (34.Qg4 Qd7 35.de7 Qg4 36.e8Q Kc7 37.Qe5 Kb6 38.Qb5 Ka7 39.Qa5) 34...Nc6+- 35.Qh7 (35.Qf5 Qd7 36.Qf8 Qd8 37.Qd8 Kd8+-) 35...Qd7 (35...Ra8 36.d7 Kc7 37.e4+-) 36.Qg8 Qd8 37.Qe6 (37.Qd8 Kd8 38.f4 Kd7+-) 37...Qd7 38.Qg8?? (38.Qd5 b6+-) 38...Qd8 39.d7 (39.Qd8 Kd8 40.f4 Kd7+-) 39...Kc7 40.Qg3 Kb6 41.h5 Ka7 42.h6 Qg8 (42...Qb6 43.h7 Rh8 44.d8Q Nd8 45.Qg7+-) 43.Qd6 Qh7 (43...Qb3 44.Rc1 Qb6+-) 44.Qc5 Ka8 (44...Ka6 45.Qb5 Ka7+-) 45.Qb6 (45.d8Q Rd8 46.Rd8 Nd8 47.Qa5 Kb8 48.Qd8 Ka7 49.Qd4 Ka6 50.Qg7 Qb1 51.Kh2+-) 45...Rd8 46.Qc7 Qh6?? (better 46...Qc2 47.Qc8 Ka7+-) 47.Qc8!! Ka7 (47...Rc8 48.dc8Q) 48.Rd5 (better 48.Rb1 Rc8 49.dc8Q+- (worse 49.dc8R Qg6 50.Ra1 Ne5-+)) 48...Qf6 (better 48...Qh8 49.Qd8 Qd8 50.e4-+) 49.Ra5?? (better 49.Rd1=+) 49...Na5-+ 50.Qc7 Nc6 51.a5 (51.g4 Qf3 52.Qf4 Qd1 53.Kg2 Rh8-+) 51...Qe7 (51...Qa1 52.Kh2-+) 52.a6 (52.Qb6 Kb8 53.a6 Rd7-+) 52...Qd7 (better 52...Rd7 53.Qf4 Rd1 54.Kh2 Qh7 55.Kg3 Rd7 (55...Ka6?! 56.Qa4 Kb6 57.Qd1-/+) 56.ab7 Rg7 57.Kf3 Kb7-+) 53.Qf4 (53.Qd7 Rd7 54.ab7 Rd2-+) 53...Ka6 (53...Qd1 54.Kh2 Qh5 55.Kg3 Rg8 56.Qg5 Rg5 57.Kf4 Qg4) 54.Qa4 Kb6 55.Qb3 Kc7 (55...Kc7 56.Qc2 Qd1 57.Qd1 Rd1 58.Kh2 b5-+) 0-1. Syrka (1885) - chinokoli (1955), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 c6 3.Nbd2 d5 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.c4 Nbd7)

8.Qb3 e6 9.Be2 Re8 10.0-0 Qc7 11.Ne5 Ne5 12.de5 Ne4 13.Ne4 de4 14.Rad1 Be5 15.Be5 Qe5 16.Rd4 b6 17.Rfd1 Qf6 18.c5 b5 19.Qc2 Bb7 20.Qe4 Rad8 21.Rd7 Rd7+/– 22.Rd7 Rd8 23.Rd8 Qd8 24.Qd4 Qd5 25.f3 Qa2 26.Qd8 Kg7 27.Kf2 Qa6 28.f4 Bc8 29.Qd4 f6 30.g4 Qb7 31.g5 Qe7 32.Bg4?? e5–/+ 33.fe5 fe5 34.Qe4 Qf7?? 35.Kg3+/– Bg4 36.Qe5 Kg8 37.Kg4 Qc4 38.Qd4 Qe2 39.Kg3 Qe1 40.Kf3 Qh1 41.Kg3 Qg1 42.Kh3 Qf1 43.Kg4 Qg2 44.Kf4 Qh2 45.Ke4 Qh4 46.Kd3?? Qg5–+ 47.Qd7? Qf5 48.Qf5 gf5 49.Kd4 0–1. Dunn,Kevin – Barber,Christopher, South Carolina op, 2006.

8.Qb3 Re8 9.Be2 dc4 10.Bc4 e6 11.Ng5 (11.0-0 Nb6+=) 11...Nb6 12.Bd3 Nfd5 13.Nge4 Qe7 14.Ba3 (14.b5!?=) 14...e5=+ 15.b5 Qd8 16.Nd6 (16.de5 Be6 17.Qb1 Nd7=+) 16...Re6 17.Nc8 Rc8 18.bc6 (better 18.de5!? Re5 19.Nf3-/+) 18...Rcc6 19.e4 (better 19.Bb2 ed4 20.e4-+) 19...Nf4?? (better 19...Rc3 20.Qb2 Rd3 21.ed5 Qd5-+) 20.d5+= Nd3 21.Qd3 Red6? (21...Rc8 22.Qh3 Rf6 23.0-0+=) 22.0-0 (better 22.Bd6 Qd6 23.0-0+-) 22...Rd7+= 23.Rac1 (23.Qe3 Rc8+=) 23...Rc1 (23...Nd5 24.Rc6 Nb4 25.Qd7 Qd7 26.Rcc1 Qd2 27.Rfd1 Qa2 28.Rc8 Bf8 29.Bb4-+) 24.Rc1 (24.Bc1 f5+=) 24...Bh6 (24...Nd5!? 25.ed5 Rd5 26.Qd5 Qd5 27.Rc8 Bf8 28.Bf8 h5 29.Bb4 Kg7=) 25.Rc2 (25.Rc5 f5 26.Nc4 fe4=) 25...Nd5=+ 26.ed5 Rd5 27.Qc4 (27.Qd5 Qd5 28.Rc8 Kg7 29.Bf8 Kf6 30.Bh6 Qa2 31.Ne4 Kf5-/+) 27...Rd2 (27...Bd2!? 28.Be7 b5 29.Qb3-+) 28.Rd2-/+ Bd2 (28...Qd2?! 29.Qc8 Kg7 30.Qf8 Kf6 31.Qe7 Kf5 32.Qf7 Ke4 33.Qb7 Kf5 34.Qf7 Ke4 35.g3+=) 29.g3 Bh6 30.Qb5 b6 (30...Qb8!? 31.Bb2 Bg7 32.Qd7-+) 31.Qe5-/+ Bg7 32.Qd6 Qd6 33.Bd6 f5 34.f4 Kf7 35.Kf2 Ke6 36.Bb8 a6 37.Ke3 Kd5 38.Kd3 Bd4 39.h3 (39.Bc7 b5-/+) 39...Bf2 40.g4 fg4 41.hg4 Bg3 42.Bc7 Kc6 43.Be5 a5 (better 43...g5-+) 44.a4?? (better 44.Ke4!?=+) 44...b5 (better 44...g5-+) 45.ab5-/+ Kb5 46.Ke4 White intends f5 46...a4 47.f5?? (better 47.Bb2-+) 47...Be5 48.Ke5 a3 49.f6 (49.fg6 hg6 50.g5 a2-+) 49...a2 50.f7 a1Q 51.Ke6 Qe1 52.Kf6 Qc3 53.Ke7 Qe5 54.Kf8 Kc6 (better 54...h5 55.Kg8 Qb8 56.f8R Qf8 57.Kf8 hg4 58.Kf7-+) 55.Kg8 Qe6 56.g5 (56.Kg7 Qe7 57.g5 Kd6-+) 56...Kd7 (56...Kc5 57.Kg7 Qe5 58.Kh7-+) 57.Kg7 Qe5 58.Kg8 Qe6 (58...Qe6 59.Kg7 Qe7-+) 0-1. Syrka (1790) - Nikvol (1840), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Nbd7)

8.b5 dc4 9.Bc4 (worse 9.Nc4 cb5 10.Ncd2 a6=+) 9...Nb6 10.bc6 Nc4 11.Nc4 bc6 12.Nce5 (12.Qa4 Bd7=) 12...Qa5 (12...c5 13.dc5 Qa5 14.Qd2 Qc5 15.Rc1=) 13.Nd2 (13.Qd2 Qa6+=) 13...Bb7 (13...c5 14.dc5 Qc5 15.Bd4=) 14.0-0+= c5 (14...Rab8+=) 15.dc5 (better 15.Nb3!? Qb6 16.dc5+/-) 15...Qc5= 16.Rc1 (16.Bd4 Qd5 17.Qf3 Rac8=) 16...Qa5 (16...Qd5!? 17.f3 Qa2-/+) 17.Nec4 Qd5 (17...Qa2?? 18.Ra1 Qa1 19.Qa1+-) 18.Nf3 Rfd8 (18...Qe6 19.Bf6 Bf6 20.Nd4=+) 19.Qd5 (19.Qb3 Qe4=) 19...Bd5=+ 20.Bd4 Bf3 21.gf3 Nd5 22.Bg7 Kg7 23.f4 Nb4 24.a3 Nd3 25.Rcd1 Rac8 26.Ne5 Ne5 27.fe5 Rd1 (27...a5 28.Kg2=+) 28.Rd1= Rc3 29.Rd7 (29.a4 a6=) 29...Ra3=+ 30.Re7 Ra2 (30...Kf8 31.Rd7=+) 31.Rb7 (31.e6 Kf6 32.Rf7 Ke6 33.Rh7 a5+=) 31...Kf8 32.Kg2 a5 33.Ra7 a4 34.Kf3 a3 35.Ke4 (35.h4 Ke8=) 35...Ke8 (better 35...Rf2!? 36.Ra3 Rh2-/+) 36.f4= Rh2 37.Ra3 Ke7 38.Ra7 Ke6 39.Ra6 Ke7 40.Ra7 Kf8 (40...Ke6 41.Kf3=) 41.Ra8 (41.e6!? fe6 42.Ke5+/-) 41...Kg7 42.Ra7 h5?? (better 42...Kf8=) 43.e6+- 1-0. Krieg (1615) - Nikvol (1620), Rated Bullet game, lichess.org, 2014. (=1.d4 Nf6 2.c4 d5 3.e3 g6 4.Nf3 Bg7 5.b4 0-0 6.Bb2 c6 7.Nbd2 Nbd7)

8.Rc1 dc4 9.Bc4 Nb6 10.Bd3=.

8.Qc2 Re8 9.Be2 Qc7 10.0-0 Nb6 11.c5 Nbd7 12.a4 Nf8 13.Bd3 N6d7 14.e4 de4 15.Ne4 f5 16.Bc4 e6 17.Nd6 Re7 18.Bc1 h6 19.Bf4 Qd8 20.Qd2 Kh7 21.Ra3 Nf6 22.Ne5 Nd5? 23.Bh6! Be5 24.de5 Nd7 25.Rh3 Kg8 26.Bg5 Ne5 27.Bd5 cd5 28.Bf6 Rh7 29.Be5 Rh3 30.gh3 Qh4 31.Qe3 Bd7 32.b5 Rf8 33.Qg3 Qh5 34.f4 Kh7 35.Qg5 Qg5 36.fg5 a6 37.Rf4 (37.Rf4 Rf6 38.Rh4 Kg8 39.Bf6 Bb5 40.Rh8) 1–0. Delithanasis,D (2200) – Panagiotopoulos,V (1965), 4th SOP–SMAOK Open, Athens GRE, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.d4 d5 5.e3 0-0 6.Bb2 c6 7.Nbd2 Nbd7)

8.c5 e5 9.de5 Ng4 10.Be2 Nge5 11.Nd4 Re8 12.0-0 Nf6 13.N2f3 Qc7 14.b5 Ne4 15.Qc2 Ng4 16.Bd3 Ng5 17.b6 ab6 18.cb6 Nf3 19.Nf3 Qb6 20.Bg7 Kg7 21.Rab1 Qd8 22.h3 Nf6 23.Rb4 Qa5 24.Rb2 Ne4 25.Be4 Re4 26.Rfb1 Ra4 27.Qd1 Qc7 28.Qd2 Kg8 29.Nd4 Qd6 30.Qc2 Rd4! 31.ed4 Bf5 32.Qb3 Bb1 33.Qb7 Ra2 34.Rb1 Rd2 35.Qa8 (better is 35.Qb8!? Qb8 36.Rb8 Kg7 37.Rb4–/+) 35...Kg7–+ 36.Qa4 Qf4 37.Rf1 c5 (37...Rd4?! 38.Qc6 Qf6 39.Qc2–/+; 37...Qd4?! 38.Qc6 Rd1 39.Rd1 Qd1 40.Kh2–+) 38.Qa5 Qd4 39.g4 Rd3 (39...Rd3 40.Kg2 c4–+) 0–1. Reinke,Martin (1870) – Wirries,Frank Michael (1765), Schleswig Holstein–ch cand, 2009. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6 6.Nbd2 d5 7.e3 Nbd7)

8.c5 Re8 9.Bd3 Qc7 10.h3 Kh8 11.a4 Ng8 12.Ng5 Rf8 13.Qc2 e5 14.de5 Ne5 15.Bd4 Qe7 16.Ngf3 Nd3 17.Qd3 Bf5 18.Bg7 Kg7 19.Qc3 Qf6 20.Qf6 Nf6 21.Ke2 Be4 22.Ne1 Rfe8 23.f3 Bf5 24.g4 Bd7 25.Nd3 Re7 26.Rhe1 h5 27.Nf4 Rh8 28.Rg1 h4 29.Ng2 Ne8 30.Nb3 Nc7 31.Nd4 a5 32.b5 cb5 33.ab5 Nb5 34.Nb5 Bb5 35.Kd2 a4 36.Nf4 Bc6 37.Nd3 Ra8 38.f4 Ra5 39.Rge1 Re4 40.Ne5? d4 41.ed4 Rd4 42.Nd3 Ra8 43.Kc3 Rad8 44.Ne5 Rf4 45.Rf1 Rf1 46.Rf1 f6 47.Nc6 bc6 48.Ra1 Ra8 49.Ra3 Kf7 50.Kd4 Ra5 51.Kc4 f5 52.gf5 gf5 53.Kb4 Ra8 54.Rf3 Kf6 55.Ka3 Ke5 56.Rd3 Kf4 57.Rd6 Ra6 58.Rf6 Ke4 59.Rh6 Kf3 60.Rh4 Kg3 61.Rh6 f4 62.h4 f3 63.Rf6 f2 64.h5 Kg2 65.Rg6 Kf3 66.Rf6 Ke2 67.Re6 Kf1 68.h6 Ra7 69.Re8 Rf7 70.Re6 Kg1 71.Rg6 Kh2 72.Rg7 f1Q 73.Rf7–+ Qf7 74.Ka4 Qc4 75.Ka3 Qc5 76.Kb3 Qe3 77.Kc2 Qh6 78.Kb3 Qf4 79.Kb2 Qe3 80.Kc2 Kg2 81.Kb2 Kf3 82.Ka2 Qb6 83.Ka3 c5 84.Ka2 c4 (84...c4 85.Ka1 c3 86.Ka2 Qb2) 0–1. Hauser,Christow (1645) – Schoder,Volker (2150), Norderstedt op 5th, 2005. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d5 6.d4 c6 7.Nbd2 Nbd7)

8.Bd3 a5 9.ba5 Ra5 (9...Qa5 10.0-0=) 10.0-0+= Ra8 11.Qe2 Nb6 12.Rfc1 Na4 13.Ba3 dc4 14.Nc4 Nd5 15.Nfe5 (15.Qd2 Nab6 16.Nb6 Ra3+=) 15...Be6 (15...f6!? 16.Ng6 hg6 17.Bg6 Qd7+=) 16.Qd2 f6 17.Nf3 Bh6 18.Nb2 (18.h3 Bf7+=) 18...Nab6 (18...Bg4 19.Be2=) 19.Bc5+= Nd7 20.Nh4 (20.Bb4 Bg4+=) 20...b6 (20...Qa5 21.Qa5 Ra5 22.a4=) 21.Bb4+= c5 22.dc5 Ne5 23.Be2 Qb8 24.Nd3 Nc6 25.cb6+– Qb6 26.Bc5 Qa5 27.Nf3 Bf7 28.Rc2 Rfc8 29.Qa5+– Ra5 30.e4 Nf4 31.Nf4 Bf4 32.Bb6 Raa8 33.g3 Bd6+/– 34.Rac1 Na7 35.Be3+/– Rcb8 36.Nd4 Ba3 37.Rd1 Rd8 38.Nb3 Rd1 39.Bd1 Nb5 40.Be2 Nd6 41.f3 Rb8 42.Rc3 Nb5 43.Rc6 Nd6 44.Ra6 Bb2 45.Bd1 Nc4 46.Bc5 Rd8 47.Be2+– Rd7 48.a4 Na3 49.Na5 Rd2 50.Ra8 Kg7 51.Be7 g5 52.Kf1 Nc2 53.Bc5 Nd4 54.Bd4 Bd4 55.Nc6 Be3 56.e5 Rc2 57.ef6 Kf6 58.Nd8?? Bd5 59.Ra5? Bb3?? 60.Ra6+= Kg7 61.Ne6 Kf7 62.Nd8 Ke8 63.Nb7 h5 64.Nd6+– Kd8 65.Nf5 Bc5?? 66.Rh6?? g4?? 67.Rh8 Kc7+/– 68.fg4 hg4 69.Bg4+– Bc4 70.Ke1 Ra2 71.Rh7 Kb6 72.Bd1?? (72.a5 Ka5 73.Rb7 Rh2 74.Kd1=) 72…Bf2# (72...Bb4#) 0–1. Garcia Juarez,M – Hoyos Millan,Luis Bernardo, COL op Columbia, 1988.

8.Bd3 b6 9.cd5 Nd5 10.Qb3 e6 11.Rc1 Bb7 12.0-0 Qe7 13.a3 Rfb8 14.Rfe1 (14.e4 Nf4 15.Nc4+=) ½–½. Zarzo Lopez,T (2245) – Martin Blanco,F (2125), LXVIII ch–ESP Abierto, Burgos ESP, 2003. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 Nbd7)

8.Bd3 dc4 9.Bc4 Nb6 10.Bd3 Nbd5 11.Qb3 h6 (11...Be6 12.Ng5=) 12.a4= White prepares b5 12...Be6 13.Qa3 a5 14.b5 Nb4 15.bc6 bc6 16.Rb1 (16.0-0 Rb8 17.Bb1 Qb6=+) 16...Nfd5 (better 16...Rb8!?–/+) 17.0-0= Rb8 (17...Nd3 18.Qd3 Nb4 19.Qe2=) 18.Rfc1 (18.Bc4 Qd7=) 18...Nb6 (better 18...Nd3 19.Qd3 Qc7=) 19.Bc3?? (19.Be2 Qd5 20.Rc5 Qd8+=) 19...N6d5 (19...Nd3 20.Rf1 Nd5 21.Rb8 Qb8 22.Ba5–+) 20.Ne4?? (better 20.Bc4=) 20...Nc3 (better 20...Nd3 21.Rb8 Qb8–+) 21.Qc3–/+ (21.Rc3?? Nd3 22.Rb8 Qb8–+) 21...Bd5 (21...Na2 22.Qc5 Nc1 23.Rc1–/+) 22.Nc5? (better 22.Rd1=) 22...Bf3–/+ 23.gf3 e5! 24.Rd1? (24.de5 Nd3 Double attack (24...Nd3 Decoy)) 24...ed4–+ 25.ed4 (25.Qc1 Qg5 26.Kh1 Nd3 27.Nd3 Rb1 28.Qb1 de3–+) 25...Nd5 (better 25...Bd4 26.Qc1 Bc5 27.Bg6 Bf2 28.Kh1 Qf6–+) 26.Qd2 Rb4 (better 26...Qh4 27.Bc4 Rb1 28.Rb1 Bd4 29.Bd5 cd5–+) 27.Bc2?? (better 27.Rb4 ab4 28.Ne4–/+) 27...Rd4–+ 28.Qe2 (28.Qd4 Bd4 29.Rd4–+) 28...Nf4 29.Qf1 Qg5 30.Kh1 Qc5 (30...Qc5 31.Rd4 Bd4–+ (31...Qc2?! 32.Rf4 c5 33.Rc4=)) 0–1. Kramaley,David (1815) – Graham,Cassie M (1850), 1st 4NCL Spring Bank, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 Nbd7 7.Bb2 0-0)

8.Bd3 Re8 9.0-0 dc4 10.Nc4 Nd5 11.Qd2 N7b6 12.Rab1 Nc4 13.Bc4 Nb6 14.Bb3 Be6 15.Be6 fe6 16.Qc2 Qd5 17.Bc3 a6 18.a4 Nc4 19.e4 Qd6 20.Qe2 b5 21.Rfd1 Red8 22.a5 Qf4 23.g3 Qg4 24.Kg2 g5 25.h3 Qh5 26.e5 g4 27.hg4 Qg4 28.Rh1 Rf8 29.Rh4 Qf5 30.Rbh1 h6 31.Nh2 Rf7 32.Ng4 Raf8 33.f4 (33.Rh6?! Qf3 34.Qf3 Rf3 35.Re6 Rc3 36.Re7 Rd3+=) 33...Qg6 34.Nh6 Bh6 35.Rh6 Qg7 (35...Qc2 36.Qc2 Ne3 37.Kf2 Nc2 38.Re6 Rd8 39.Rc6 Rh7 40.Rh7 Kh7+–) 36.Qh5 Ne3 37.Kf3 Rf4 (37...Qg4 38.Qg4 Ng4 39.Kg4 Rg7 40.Kf3 Kf7+–) 38.gf4 Rf4 39.Kf4 Nd5 40.Kf3 (40.Kf3 Qf7 41.Qf7 Kf7 42.Rh8+–) 1–0. Guramishvili,S (2325) – Lindholt,M (2080), 3rd International Open, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Nbd7)

8.Bd3 Re8 9.0-0 e5 10.de5 Ng4 11.e6 Bb2 12.ed7 Qd7 13.Rb1 Bg7 14.cd5 Qd5 15.Bc4 Qd8 16.Qb3 Be6 17.Rfd1 Qe7 18.Be6 Qe6 19.Nc4 Red8 20.h3 Nf6 21.Ng5 Qe7 22.Rd8 Rd8 23.Ne5 Rd5 (23...Qe5?? 24.Nf7 Qe7 25.Nd8 Nd5 26.Nb7 Qb7 27.e4+–) 24.f4 (worse is 24.Nef7 h6 25.e4 Ne4 26.Ne4 Qe4+=) 24...h6? (better is 24...Re5!? 25.fe5 Nd5+=) 25.Ngf7+/– Ne4 26.Qc2 Nd2 27.Rd1 (27.Rc1 Be5 28.Ne5 Qd6+–) 27...Qb4 28.Kh2 (28.a3 Qa5 29.Kh1+/–) 28...Ne4?? (better is 28...Be5 29.Ne5 Qd6+=) 29.Rb1+– Rd2 30.Rb4 Rc2 31.Re4 Ra2 32.Nd6 Rb2 (32...g5 33.Nb7 a5 34.Nc6+–) 33.Ng6 b5 (33...a5 34.f5 Rd2 35.Nb7+–) 34.Ne7 (34.Ne7 Kh7 35.Nc6+–) 1–0. Ren,Xiaoyi (2205) – Dong,Nanxi (1850), ch–CHN B Women, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 c6 7.c4 Nbd7)

8.Bd3 Re8 9.0-0 Nh5 10.Qb3 e5 11.cd5 cd5 12.de5 (12.Qd5 Nhf6 13.Qb3 e4+/–) 12...Ne5 13.Ne5 Be5 14.Be5 Re5 15.Nf3 Re7 16.Nd4 Be6 17.Rac1 f5 18.Ne6 Re6 19.Rfd1 Nf6 20.Bc4! Rd6 (20...dc4 21.Rd4 Double attack (21.Rd8 Pinning; 21.Rd8 Deflection; 21.Rd4 Decoy; 21.Rd8 Clearance)) 21.Bd5! Rd5 (21...Rd5 22.Rc5 Pinning (22.Rc5 Decoy); 21...Nd5 22.Rc5 Pinning (22.Rc5 Decoy)) 22.Rc5 Kg7 23.Rcd5 Nd5 24.Rd5 Qc7 25.Qd1 Kf6 (25...Qc3 26.Rd7 Kh6 27.h4+– (27.Rb7? Rd8 28.Qf1 Qc2–+)) 26.Qd4 Ke6 27.Rc5 Qd6 28.Qc4 Kf6 29.Rd5 Qc6 30.Qd4 Kf7 31.Rc5 Qb6 32.Qe5 Kf8 33.Rc7 (33.Rc7 Qc7 34.Qc7+–) 1–0. Sipahioglu,Irmak (2015) – Kazdagli,Benan (1620), TUR–ch op Antalya, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.d4 Nbd7 7.Nbd2 c6)

8.Bd3 Re8 9.Qb3 Nb6 10.0-0 dc4 11.Nc4 Be6 12.Rac1 Nc4 13.Bc4 Bc4 14.Rc4 Ne4 15.Rfc1 Qd5 16.Qc2 Qf5 17.Qe2 Rad8 18.h3 h5 19.R4c2 Rd5 20.Nd2 e5 21.de5 Be5 22.Ne4 Qe4 23.Rc4 Qd3 24.Qd3 Rd3 25.Be5 Re5 26.Kf1 Red5 27.Ke1 Kf8 28.R4c3 Ke7 29.R1c2 Kd6 30.Ke2 Rc3 31.Rc3 c5 32.a3 b5 33.f4 f5 34.Kf3 c4 35.e4 fe4 36.Ke4 Rd2 37.g4 Re2 38.Kf3 Rh2 39.Ke4 Re2 40.Kf3 Rh2 41.Ke4 Re2 ½–½. Pilat,F (1940) – Josten,Severin Johannes, Sparkassen Open A, Dortmund GER, 2010. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 c6 5.c4 Bg7 6.Nbd2 Nbd7 7.Bb2 0-0)

8.cd5 Nd5 9.a3 a5 10.e4 Nf4 11.Nc4 ab4 12.ab4 Ra1 13.Ba1 Nb6 14.Ne3 Qd6 15.Bc3 Rd8 16.h4 Qb8 (16...h6 17.Qc2=) 17.Qa1 Qa8 (17...Qc7 18.d5 f6 19.g3=) 18.Qa5 Qa5 19.ba5 Na4 20.Bb4 (better 20.Ba1!?=) 20...c5-/+ 21.dc5 Nc5 22.Bd2 (22.Bc5 Nd3 Double attack (22...Nd3 Decoy)) 22...Ne4 23.g3? (23.Bb4 Nc5! 24.Bd2 e5-+) 23...Ne6?? (better 23...Nd2 24.Nd2 Bc3-+) 24.Bb4-/+ Bc3 (24...h5 25.Bc4 Kf8 26.Nd5-/+) 25.Bc3=+ Nc3 26.Bc4 (26.h5 b5 27.ab6 Rd6=+) 26...Nc5 27.0-0 Be6 28.Rc1 Bc4 (28...N5e4 29.Bf1-/+) 29.Rc3=+ Be2 30.Ng5 Na6 31.Rc2 Bb5 32.Ne4 Bc6 33.Nc5 Nc5 34.Rc5 Bf3 35.g4 Rd4 36.Rc7 Ra4 37.Re7 Kf8 38.Rc7 Ra5 39.Kh2 Bc6 40.g5 Ra4 41.Kg3 Ke8 42.Ng4 Ra3 43.Ne3 Rd3 44.Kf4 Rd4 45.Ke5 (45.Kg3 Rd7 46.Rc8 Ke7-/+) 45...Re4 (45...Rh4 46.Nd5 Bd5 47.Kd5-+) 46.Kd6 (better 46.Kf6!?-/+) 46...Kf8-+ 47.Rc8 (47.Kc5 Rh4 48.Nc4 Rh5-+) 47...Kg7 48.h5 (48.Rc7 Rh4 49.Re7 Rf4-+) 48...gh5 49.Nf5 Kg6 50.Ng3 (50.Ne7 Kg5 51.Rg8 Kf6 52.Nc6 Re6 53.Kd5 bc6 54.Kc5 h6-+) 50…Re8 (50...Re8 51.Re8 Be8-+) 0-1. Morozov,N (2370) - Miron,L (2470), Chebanenko Memorial, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Nbd7 7.c4 c6)

8.Be2 a6 9.0-0 a5 10.b5+= Qb6 (10...cb5 11.cb5 Nb6 12.Rc1+=) 11.c5 Qd8 12.h3 (12.Qb3+–) 12...Rb8 (12...cb5!? 13.Bb5 Nb8+=) 13.Qc2+– h6 (13...Ne4 14.Ne4 de4 15.Ng5+–) 14.Bc3 (14.Rac1 Ra8+–) 14...e6 (14...cb5 15.Bb5 Ra8 16.Qb3+–) 15.Rab1+– Re8 16.bc6 bc6 17.Rb8 Nb8 18.Rb1 Nbd7 19.Qa4 e5 (better 19...Qc7!?+–) 20.Ne5 Ne5 21.de5 Ne4 (21...Nd7 22.f4 Nc5 23.Qc6+–) 22.Ne4 de4 23.Qc6 (23.Qe4? Bf5 24.Qc6 Bb1–+) 23...Bd7 (23...Be6 24.a4+– (24.Qe4?! Bf5 25.Qb7 Bb1 26.Qb1 Be5=)) 24.Qd6 (better 24.Qb6 Be6 25.c6+–) 24...a4 (24...Be6+–) 25.Rd1 Qe7 (25...Bf8 26.Qd7 Qd7 27.Rd7 Bc5 28.Rc7+–) 26.Qd7 Qd7 (26...Be5 27.Be5 Qe5 28.c6+–) 27.Rd7 Be5 28.Be5 Re5 29.c6 Rc5 30.c7 Kg7 31.Ba6 Rc1 32.Kh2 a3 33.c8R Rc8 34.Bc8 g5 35.Ra7 Kf6 36.g4 Kg7 37.Be6 Kf8 38.Bf7 Kg7 39.Bd5 Kf6 40.Ra6 Ke5 41.Bc4 h5 42.Re6 1–0. Pierre – Mujib, internet, 2020.

8.Be2 a6 9.a4 Re8 (9...a5 10.b5+=) 10.Qb3+= Nf8 11.0-0 Bf5 (11...dc4 12.Nc4 Be6 13.a5+=) 12.Rfc1 Ne4 (12...Ne6 13.Ne5 dc4 14.Bc4+=) 13.Nf1 White prepares c5 (13.Ne4 Be4 14.cd5 Bd5+=) 13...Be6 (13...Qd6 14.c5 Qf6 15.N1d2=) 14.c5 (14.Qc2 a5+=) 14...Qc7 (14...Bg4 15.h3 Bf5 16.N1d2+=) 15.Ne5 (15.Qc2 Bg4+=) 15...f6 16.Nd3 Ng5 (16...Bf7 17.b5+=) 17.b5 ab5 (17...Qd7 18.Nb4+=) 18.ab5+/– Rec8 (18...Qd7 19.Re1+/–) 19.Nb4 (19.b6 Qb8+/–) 19...h5 (19...Qd7 20.b6+/–) 20.h4 (20.Bd3!? Qd7+/–) 20...Nf7 21.Ra4 (21.Ra8 Ra8 22.Bd3 Qd7+/–) 21...Ra4 22.Qa4 Bd7 23.Nd2 (23.b6 Qb8+/–) 23...e5 (23...cb5 24.Bb5 Bc6 25.Ra1+=) 24.Qa7 (24.b6 Qb8+/–) 24...Ne6 (24...Be6 25.Ra1+=) 25.Nb3 ed4 26.ed4 (26.b6 Qb8 27.Nd4 Ne5+=) 26...Nf4 (26...Re8 27.Bf1+=) 27.Bf1 cb5 (27...Bf5!?+=) 28.g3+/– Nh6? (28...Nh3 29.Bh3 Bh3 30.Nd5+=) 29.c6 (better is 29.gf4!? Bc6 30.Bg2+–) 29...bc6+/– 30.Qc7 Rc7 31.gf4 Nf5 32.Bg2 Ne7 (better is 32...Kh7!?+/–) 33.Nd5!+– Nd5 (33...cd5 34.Rc7 Pinning (34.Rc7 Deflection); 33...Nd5 34.Bd5 Pinning) 34.Bd5 Kh7 35.f5! Bf5 (35...Bf5 36.Rc6 Deflection; 35...gf5 36.Na5 Combination) 36.Rc6 Re7 37.Bc3 (37.Kg2 Re1 38.Rb6 Re2+–) 37...g5 (37...Be4 38.Be4 Re4 39.Rc5+–) 38.Bb4 (38.Rb6 gh4 39.Rb5 Kg6+–) 38...Re2 (38...Rd7 39.Bg2+–) 39.Rc7 (39.Rb6 gh4 40.Rb5 Kg6+–) 39...Kh6 (39...Kg6 40.Bf7 Kh7 41.Bh5+–) 40.Bd2 Bf8 (40...Bd3 41.Bf3 Re8 42.Rc5+–) 41.hg5 (41.Rf7 Be7 42.Be3 Bd8+–) 41...fg5 42.Rf7 Bc2 43.Rf8 Bb3 44.Rh8 (44.Bb3?! Rd2 45.Rf6 Kg7+–) 44...Kg7 45.Rg8 (45.Bb3?! Kh8 46.Bg5 Kg7+–) 45...Kh7 46.Bb3 Rd2 47.Rg5 Kh6 48.Rb5 Rd4 49.Kg2 Rf4 (49...Kg6 50.f3 Rd2 51.Kg3+–) 50.Bd5 (50.f3 Rf6+–) 50...Rf5 (50...h4 51.f3+–) 51.Bc6 Rf4 52.f3 h4 (52...Rc4 53.Be4+–) 53.Be4 1–0. Hamitevici,Vladimir (2515) – Thorsteinsson,Sjurdur (2190), Runavik Open, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Nbd7 8.Be2 a6)

8.Be2 b6 9.0-0 Bb7 10.Qb3 a5 11.a3 Qb8 (11...c5 12.bc5 bc5 13.Qb7+=) 12.Bc3 (12.Rfc1 c5+=) 12...ab4 13.ab4 Qc7 14.Rab1 (14.Rfc1 c5+=) 14...Rfc8 (14...Ra7 15.Rfc1=) 15.Rfc1+= Qd8 (15...dc4 16.Nc4 (worse 16.Qc4 Ba6 17.Qa6 Ra6 18.Ba6 Ra8–/+; 16.Bc4?! e6=) 16...Nd5 17.Bd2+=) 16.cd5 (16.Ra1 Qc7+=) 16...cd5 (16...Nd5 17.Ne4+=) 17.Bb5 (17.Ra1 Ne4 18.Ra8 Ra8 19.Ne4 de4+=) 17...Ne8 (17...Ba6 18.Ba6 Ra6 19.b5=) 18.Ne5 (18.Bd3 Nd6+=) 18...Ndf6 (18...Ne5 19.de5 Nc7 20.Bd3=) 19.Bd3+= Nd6 20.b5 Nfe4 21.Ne4 (21.Nc6 Bc6 22.bc6 Rc6 23.Qd5 Rc3 24.Be4 Rc1 25.Rc1 Ra5=) 21...de4 22.Bf1 e6 23.Bb4 Bd5 24.Qd1 f6 (24...Bf8 25.Rc8 Rc8 26.Rc1=) 25.Nc6 (25.Rc8 Rc8 26.Nc6 Qd7+=) 25...Qd7= 26.Bd6 Qd6 27.Ra1 Bf8 28.Ra8 (28.Rc3 Ra1 29.Qa1 Qd7=) 28...Ra8 29.g3 (29.Be2 Qd7=) 29...Ra2 30.Qg4 (30.Kg2 Qa3 31.Qe1 Bd6=) 30...Qa3=+ 31.Qd1 Qb2 (31...Kg7 32.Qe1=+) 32.Qe1= Ba3 (32...Bd6 33.Kg2=) 33.Rb1 Qd2 (33...Qc2 34.Ra1=) 34.Qd2+= Rd2 35.Ra1 (35.Nb8 Be7+=) 35...Ra2= 36.Ra2 Ba2 37.Na7 (37.Bg2 Bd5=) 37...Bb4 (37...Bd6 38.Bg2 f5 39.f3 ef3 40.Bf3=) 38.Nc8 Ba5 39.Nd6 Bd5 40.Bc4 (40.g4 h6=) 40...Kf8 41.f3 Ke7 42.Bd5 (better 42.Nc8 Kd7 43.Bd5 ed5 44.Na7=) 42...Kd6 (better 42...ed5!? 43.Nc8 Kd7=) 43.Be4+– e5 44.Kf2 Bc3 45.Ke2 (better 45.de5!? Be5 46.f4+–) 45...ed4= 46.Kd3 Kc5 47.Bc6 (47.g4 Bb2=) 47...Bb2 48.e4 (48.ed4 Bd4 49.f4 Bg1=) 48...g5 (48...Bc3 49.f4=) 49.f4 (49.h4 gh4 50.gh4 Bc1=) 49...gf4 50.gf4 Bc1 51.f5 ½–½. Bruno,Fabio (2435) – Danov,Lyubomir (2075), Plovdiv BUL, 2012. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2 b6)

8.Be2 b6 9.0-0 Bb7 10.Qb3 Rb8 11.cd5 cd5 12.Rfc1 Rc8 13.a4 Rc1 14.Rc1 Qb8 15.a5 Rc8 16.a6 Rc1 17.Bc1 Qc8 18.Qa3 (18.ab7?! Qc1 (18...Qb7? 19.b5+–) 19.Nf1 Qc6=) 18...Ba8 19.Bb2 Ne4 20.Qb3 Ndf6 21.b5 Qc7 22.h3 g5 (22...e6 23.Ne4 Ne4 24.Ba3+=) 23.Ne4+– Ne4 24.Ne5 Be5 25.de5 e6 26.Bd3 Nc5 27.Qc2 h6 28.Bd4 Kg7 29.Qc3 Qe7 30.Bc2 Ne4 (30...Kg8 31.Bb1 Kf8 32.Qc2+–) 31.Qc8+– Qf8 32.Qf8 (32.Qc7 Nd2 33.Qa7=) 32...Kf8+– 33.f3 Nc5 34.Kf2 Nd7 35.Kg3 Kg7 36.h4 gh4 37.Kh4 f6? (better 37...Nc5!?+–) 38.ef6+– Nf6 39.g4 (39.Be5 Kf7+–) 39...Kf7 40.f4 Ke7 41.Bg6 Ne8 (41...Ne4+–) 42.Be8 Ke8 43.Kh5 Kf7 44.Kh6 Kg8 45.Kg6 (45.Kg6 Kf8 46.Kh7 Ke8 47.g5 Kd7 48.g6 Bc6 49.bc6 Kc6 50.g7 Kb5 51.g8Q Ka4 52.Qe6 Ka3 53.Qe7 Kb3 54.Qa7 Kc4 55.Qb6 Kd3 56.Qg6 Ke2 57.a7 Kf2 58.a8Q Kf3 59.Qd5 Ke2 60.Qc2 Ke1 61.Qh1) 1–0. Stoyanov,Viktor (2125) – Bourne,Jo (1930), Frome ENG (1), 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Nbd7 7.c4 c6 8.Be2 b6)

8.Be2 b6 9.0-0 Bb7 10.Ne1 Ne4 (10...c5 11.bc5 bc5 12.Rb1=) 11.f3 Nd2 12.Qd2 dc4 13.Bc4 Ne5 14.Be2 Qd6 15.Bc3 Rfd8 16.f4 Nd7 17.Bf3 e5 18.Nd3 (better is 18.fe5!? Ne5 19.Be2=) 18...ed4+= 19.Nf2 Nf8 20.Ne4 Qe7 (worse is 20...dc3 A) 21.Nd6? cd2 22.Nb7 Rd7–+ (22...Ba1?! 23.Nd8 Rd8 24.Ra1–+); B) 21.Qd6 Rd6 22.Nd6+=) 21.ed4 Ne6 22.Rad1 (22.Rfe1!?–/+) 22...Nd4–+ 23.Bd4 Rd4 24.Qe1 Re8 (24...Rb4?! 25.Nd6 Qe1 26.Rfe1–/+ (26.Rde1? Ba6 27.Be2 Bd4 28.Kh1 b5–+)) 25.Rd4? (25.Kh1 Re4 26.Qe4 Qe4 27.Be4 Re4 28.Rd7–+) 25...Bd4 26.Kh1 f5 0–1. Rischke,Michael – Walther, FRG corr Germany, 1969. (=1.Nf3 Nf6 2.c4 g6 3.e3 Bg7 4.d4 0-0 5.b4 d5 6.Nbd2 c6 7.Be2 Nbd7 8.Bb2)

8.Be2 b6 9.cd5 cd5 (9...Nd5 10.Qa4 b5 11.Qb3+=) 10.0-0 Bb7 11.Qb3 Rc8 (11...Ne4 12.Ne4 de4 13.Nd2+=) 12.b5 Re8 13.a4 (13.Rac1 Rc1 14.Rc1 Qb8+=) 13...Qc7 (13...Ne4 14.Rfc1=) 14.a5 (14.Rac1 Qb8=) 14...Qb8 (14...ba5 15.Rfc1 Qd6 16.Bc3+=) 15.a6+= Ba8 16.Rac1 h6 (16...e6 17.Ng5+=) 17.Rc8 (17.Ba3 e6+=) 17...Rc8 18.Rc1 Rc1 19.Bc1 Qc7 20.Ba3 Bf8 21.Ne1 e6 (21...e5 22.Bf8 Kf8 23.Qc2 Qc2 24.Nc2 ed4 25.Nd4=) 22.Qc2 (22.Bf8 Kf8 23.Qa3 Kg7+=) 22...Qc2= 23.Nc2 Ba3 24.Na3 Kf8 25.f3 Ke7 26.Kf2 Kd6 27.Nc2 Ne8 28.Bd3 f5 29.g4 Nef6 30.h3 Nf8 31.Ne1 Ke7 32.Ng2 Kd6 (32...fg4 33.hg4 g5 34.Nf1+=) 33.Nb3 (33.Nf4 Ke7+=) 33...N6d7 34.Nc1 Ke7 35.Na2 Kd6 (35...fg4 36.hg4 e5 37.Nh4+=) 36.Nb4 (36.Nc3 fg4 37.hg4 g5+=) 36...Nf6 (36...fg4 37.hg4 e5 38.Nh4+=) 37.Kg3 Kd7 38.Be2 (38.Nf4 Kd6+=) 38...Kd6 39.Nd3 Ke7 40.Ne5 N6d7 41.Nd7 Nd7 42.Nf4 Kf6 43.Nd3 Ke7 (43...fg4 44.Kg4 Ke7 45.Kg3+/–) 44.Bf1 (44.h4 fg4 45.Kg4 Nf6 46.Kg3 Nh5 47.Kf2 Ng7+=) 44...Kd6 (44...Kf7 45.h4+/–) 45.Kh4+/– Ke7 46.g5 hg5? (better is 46...h5+/–) 47.Kg5+– Kf7 48.Kh6 Nf8 (48...f4 49.Nf4 e5 50.Ng6 ed4 51.ed4+–) 49.Ne5 Kf6 (49...Ke8+–) 50.f4 Ke7 (50...g5 51.fg5 Ke7 52.Ng6 Ng6 53.Kg6+–) 51.Ng6 (51.Ng6 Kf7 52.Nf8 Kf8 53.Kg6+–) 1–0. Andersen,Mads – Undheim,Bjarne, Xtracon Chess Open, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2 b6)

8.Be2 Qb6 9.a3 a5 (9...Ne4 10.cd5 cd5 11.Ne4 de4 12.Nd2=) 10.c5 (10.0-0 ab4 11.ab4 Ra1 12.Qa1 dc4 13.Nc4 Qd8+=) 10...Qc7= 11.b5 cb5 12.Bb5 Ne4 13.0-0 (13.Ne4 de4 14.Nd2 Nf6+=) 13...Nec5 (13...Ndc5 14.Rc1 Qd8 15.Qc2 Nd2 16.Nd2+= (16.Qd2? Nb3 17.Qc2 Nc1 18.Rc1 Bf5–+)) 14.Rc1 Qb6 15.a4 Na6 16.Qb3 Qd6 17.Ba3 (17.e4 Nb6+=) 17...Nb4= 18.e4 e6 (18...Nb6 19.e5 Qd8 20.Bb4 ab4 21.Qb4+=) 19.e5+/– Qb6 (19...Qe7 20.Rc7+/–) 20.Bb4 (20.Rc8!? Rfc8 21.Bd7+/–) 20...ab4+= 21.Qb4 Nb8 22.Qe7 (22.Nb3 Nc6 23.Qc3 Bd7+=) 22...Qd8 (22...Nc6 23.Bc6 bc6 24.Ra1=) 23.Rc7 (23.Qd8 Rd8 24.Nb3 Nc6+=) 23...Na6 (23...Qe7 24.Re7 Nc6 25.Bc6 bc6=) 24.Ba6 (24.Qd8!? Rd8 25.Rc3+=) 24...Qe7+= 25.Re7 Ra6 26.Ra1 (26.Rc1 Ra4 27.Rec7 Ra8+=) 26...Rd8 (26...Rc6 27.Nb3+=) 27.Nb3 White prepares a5 (27.Rc7 b6=) 27...b6 (27...Rc6 28.Na5 Rc2 29.Nb7+=) 28.Ng5 (28.Rc7!?=) 28...Bf8–/+ 29.Rc7 Bd7 30.a5 h6 (30...ba5 31.Ra5 Rb6 32.Nc1–/+) 31.Nf3 ba5 32.Ra5 Ra5 33.Na5 Rc8 34.Rc8 Bc8 35.Nb3 f6 36.ef6 Kf7 37.Ne5 Kf6 38.f4 g5 39.fg5 hg5 40.Kf2 Kf5 41.Kf3 Bd6 42.Ng4 Ba6 43.Ne3 Kf6 44.Ng4 Kf5 45.Ne3 Kf6 46.g3 (46.Ng4 Ke7=) 46...Bd3 47.Nc5 Bc5 48.dc5 Be4 49.Ke2 ½–½. Matveenko,Yury (2040) – Mukhametshin,Mikhail (1890), Voronezh Region Senior Championship Ope, 2013. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 c6 6.d4 d5 7.Nbd2 Nbd7)

8.Be2 Nb6 9.c5+= Nbd7 10.0-0 Re8 (10...Ne4 11.Ne4 de4 12.Nd2+=) 11.Qc2 Qc7 12.a4 White prepares the advance b5 12...Nh5 13.b5 e5 14.Ne5 Ne5 15.Bh5 (15.de5 Be5 16.Bh5 gh5+= (16...Bh2? 17.Kh1 Bf5 18.Qc1+–)) 15...Bf5= 16.Qb3?? (better is 16.e4 de4 17.de5+=) 16...Nc4–+ (16...gh5 17.de5 Be5 18.Nf3 Bb2 19.Qb2+=) 17.Nc4 dc4 18.Qc4 gh5 19.Rfe1 (19.Qe2 h4 20.Qh5 Qd7 21.Qh4 Re6–+) 19...Rad8 20.Qb3 Qe7 21.Qd1 (21.f3 Qg5–+) 21...Qg5 22.Kh1 h4 23.h3 Re6 24.Qd2 Rg6 25.Rg1 Qe7 26.Bc3 Qe6 27.Kh2 (27.Ba5 Be4 28.Kh2 Rd7–+) 27...Be5! 28.f4 (28.de5 Rd5 Double attack (28...Rd2 Pinning; 28...Rd2 Deflection; 28...Rd5 Decoy)) 28...Bb8 (28...Bf6 29.Qe1–+) 29.g4 hg3! 30.Rg3 Re8 31.Rag1 Bc7 (31...Qc4 32.bc6 bc6 33.R1g2–+) 32.Ba1 (32.Ba5 b6 33.Bc3 Qc4 34.cb6 ab6–+) 32...Bd8 33.Qb2 (33.d5 cd5 34.Qc3 f6–+) 33...Bf6 (better is 33...Qd5 34.Qf2 Kf8 35.bc6 bc6–+ (worse is 35...Qc6 36.Qe2–+)) 34.Qb4 (34.d5 Bb2 35.de6 Ba1–+) 34...Qd5 (better is 34...Bh4 35.Rg6 fg6 36.Qd2 Qe3 37.Qe3 Re3 38.d5–+) 35.a5 (35.Qe1–+) 35...Bh4 36.Rg6 (36.Qd2 Rg3 37.e4–+) 36...hg6 37.Qd2 Qf3 38.Qg2 Qe3 39.Rf1 Qd3 40.d5 Re2 0–1. Bekhovskiy,Mikhail (2020) – Vanagas,Tadas (2145), Palanga LTU, Baltija Open–A, 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Nbd7)

8.Be2 e6 9.0-0 b6 10.a4 a5 11.b5 c5 12.cd5 ed5 13.Ne5 Bb7 14.Nd7 (14.dc5 Nc5 15.Nb3 Re8=) 14...Nd7+= (worse is 14...Qd7 15.dc5 bc5 16.Rc1+=) 15.Bf3 Re8 16.dc5 Bb2 17.Rb1 Nc5 18.Rb2 Qh4 19.Ra2 Rad8 Black plans d4 20.Nb3 Attacking the isolated pawn on d5 20...Na4 21.Na5 (better is 21.Qa1!? Qb4 22.Na5 Qa5 23.Ra4 Qb5 24.Rb1=) 21...Nc3–/+ (21...ba5 22.Ra4 Qf6 23.Qd2+/–) 22.Qa1 ba5 (better is 22...Na2 23.Nb7 Ra8–/+) 23.Qc3= d4 24.ed4 Bf3 25.Qf3 Qd4 26.Ra5 Qb6 27.Raa1 ½–½. Garcia Palermo,Carlos (2435) – Alonso,Salvador (2490), ITT CXG Memorial Marcel Duchamps, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2 e6)

8.Be2 e6 9.0-0 b6 10.b5 cb5 (10...c5 11.cd5 Nd5 12.Ne4=) 11.cd5+= Nd5 12.Bb5 Bb7 13.Rc1 (13.Qb3 a6 14.Bd3 Rc8+/–) 13...a6 14.Be2 b5 15.Qb3 N5b6 (15...Qe7 16.g3 f5 17.Rc2+=) 16.Rfe1 (16.Ba3 Re8+=) 16...Nf6 (16...Re8 17.e4+=) 17.Ba3 Re8 18.Ne5 Rc8 19.Bf3 (19.Rc8 Nc8 20.Bf3 Bd5+=) 19...Bf3 20.Ndf3 (worse is 20.gf3 Nfd5 21.Ne4 Be5 22.de5 Qh4=) 20...Qd5 21.Nd2 (21.Ng5 Nc4 22.Ngf7 Ne4+=) 21...Ne4 22.Ne4 Qe4 23.f3 Qd5 24.Bc5 (24.Nd3 Rc1 25.Nc1 Nc4+=) 24...Be5+= 25.Bb6 (25.Qd5!? Bh2 26.Kh2 Nd5 27.e4+=) 25...Bh2!–/+ 26.Kh2 Qd6 27.f4 Qb6 28.Qb2 (28.Kg3 Qb7–/+) 28...Qd6 29.Kg1 Qd5 30.Qa3 Qb7 31.Qb4 h5 32.a3 Kg7 33.Rc5 Rc5 34.dc5 Qc6 35.Qd4 Kg8 (35...Kf8 36.e4–/+) 36.e4 (36.Rd1 Rc8 37.Qc3 a5+= (37...Qc5?? 38.Rd8 Rd8 39.Qc5+–)) 36...Rc8–/+ 37.Rc1 Qc7 38.e5 Rd8 39.Qe4 White plans c6 39...Rd5 Exerts pressure on the isolated pawn 40.c6 Qb6 41.Kh2 Rc5 ½–½. Nguyen,Quoc Hy (1930) – Vo,Pham Thien Phuc (1920), 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 c6 7.Nbd2 Nbd7 8.Be2 e6)

8.Be2 e6 9.0-0+= Qc7 10.Bd3 Re8 11.e4 (11.Rc1 a6+=) 11...de4= 12.Be4 (12.Ne4 Ne4 13.Be4 c5=) 12...Ne4 13.Ne4 Nf6 (13...a5 14.ba5 Ra5 15.Re1=) 14.Ng3 (14.Nf6 Bf6 15.Ne5 Qd6+=) 14...Bd7 (14...b5 15.Rc1 bc4 16.Qa4+= (16.Rc4? Ba6 17.Rc5 Bf1 18.Qf1 Qb7–+)) 15.Rc1 (15.Ne5 Qd6=) 15...Rad8 (15...a5 16.b5+=) 16.Re1 Bc8 (16...a5=) 17.d5 (better is 17.Ne5!?+=) 17...ed5 18.Re8 Re8 (18...Ne8!? 19.Bg7 Ng7 20.cd5 Qf4–/+) 19.cd5= Nd5? (better is 19...Bg4 20.dc6 bc6=) 20.Bg7+– Kg7 (20...Qf4 21.Bd4 Bg4 22.b5 cb5 23.Ba7+–) 21.Qd5! Qg3?? (21...cd5 22.Rc5 (22.Rc7)) 22.Qd4 (22.Qd4 f6 23.hg3+–; 22.fg3 cd5 23.Rc5 Rd8–/+) 1–0. urko – nickbarletta, ChessWorld.net, 2009.

8.Be2 h6 9.0-0 Ne4 10.Qb3 Ndf6 11.Rfc1 Bg4 12.Bd3 Bf5 13.Nf1 dc4 14.Bc4 (worse 14.Rc4 Be6-/+) 14...Nd6 15.Be2 Nfe4 16.Ne5 Kh7 17.f3 Nf6 18.a4 White intends b5 18...Nd7 19.b5 cb5 20.ab5 Be6 21.Qd3 (21.d5 Ne5 22.de6 fe6+=) 21...f5 22.Nd2 (22.Ng3 Qb6+=) 22...Nf7 (better 22...Ne5!? 23.de5 Nb5 24.Qb5 Qd2=) 23.f4 Bd5 24.Ng6 Kg6 25.Bh5! Kf6 (25...Kh5 26.Qf5 Double attack) 26.e4 Nb6?? (better 26...Bh8+-) 27.Qg3 (27.Qg3 Ke6 28.Qg7+-) 1-0. Khomeriki,N (2310) - Zubova,Mariya (2160), Mentese WGM, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Be2 Nbd7 8.Bb2)

8.h3 b6 9.cd5 Nd5 10.Qb3 e5 (10...a5 11.ba5 Ra5 12.Rc1=) 11.b5 (11.e4!? Ne7 12.de5+/–) 11...ed4= 12.Bd4 (12.bc6 Nc5 13.Qa3 de3 14.fe3 Ne3–+) 12...Bd4 13.Nd4 Nc5 14.Qa3 cb5 15.Bb5 Bb7 16.0-0 Qf6 17.N2f3 Nc7 18.Be2 Rfd8 19.Rfd1 N7e6 20.Ne6 Ne6 21.Rac1 Ng5 22.Ng5 Qg5 23.Bf1 Bd5 24.Rd4 Be6 25.h4 Qf6 26.Rcd1 Rd4 27.Rd4 Qe5 28.Qb2 Qc5 29.a4 Rc8 30.Kh2 Qc7 31.Kg1 Qc3 32.Rd8 Kg7 33.Qc3 Rc3 34.Bb5 Rc7 35.Rd4 Kf6 36.g4 Ke7 37.Kg2 Rc2 38.Kg3 h6 39.f4 Rc1 40.Be2 Rg1 41.Kf2 Ra1 42.e4 a5 43.f5 gf5 44.ef5 Bb3 45.Bb5 h5 (better is 45...Kf6!?+=) 46.g5+/– Ra2 47.Ke3 Rh2 48.Rd7 Kf8 49.f6 Rh3 50.Kf4 (better is 50.Kf2 Kg8 51.Rd8 Kh7 52.Bd7+–) 50...Kg8 51.Rd8 (51.Bd3 Rd3 52.Rd3 Ba4+–) 51...Kh7 52.Bd3 Rd3 53.Rd3 Ba4 54.Rd6 Bb3 55.Rb6 a4 56.Ra6 Kg6 57.Ke5 Bc2 58.Ra8 Bb3?? (58...Kh7+–) 59.Rh8 (59.Rh8 a3 60.Rh6) 1–0. Pupols,Viktors – Dean,Donald, San Francisco Golden Gate op, 1976. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 Nbd7)

9.a3 ab4+= 10.ab4 Ne8 (10...Nb6 11.Bd3=) 11.c5 (11.Bd3 dc4 12.Nc4 Nef6=) 11...Qc7 (11...b5 12.Ra1 Ra1 13.Ba1=) 12.Be2 e5 (12...b5 13.0-0=) 13.0-0 (13.de5!? Ne5 14.Be5 Be5 15.Ne5 Qe5 16.0-0+=) 13...e4= 14.Ne1 f5 15.Qb3 (15.b5 f4=) 15...Ndf6 (15...Nef6 16.b5=) 16.f3 Qe7 17.f4 (17.b5 Nc7=) 17...Nc7 18.Nc2 Bd7 (18...Be6 19.Ra1=) 19.Na3 (19.Ra1 Be6=) 19...Ng4 20.h3 Qh4?? (better is 20...Nf6=) 21.hg4+– fg4 22.Bg4 Bg4 23.Ne4 Ne6 24.Nd6 Qg3 25.Qc3 Be2 26.Rf2= Bg4 27.Rcf1 Bh6 28.Nc2+= Ng7 29.Qe1 Qh4 30.Rd2 Qe7 31.Qg3 Bf5 32.Ne1 Ra4 33.Qf3 Rb4= 34.g3 Ne8 35.Nf5= gf5 36.Nd3 Ra4 37.Ne5 Nf6 38.Rb1 Kh8 39.Rh2+= Qg7 40.Bc1 Ne4= 41.g4 fg4+= 42.Qg4 Qg4 43.Ng4 Rg8 44.Rg2 Bf8 45.Ne5 Rg2 46.Kg2 Ra2 47.Kf3 Rf2 48.Kg4 Rg2 49.Kf5 Rg7 50.Ba3 h5= 51.Bb4 h4 52.Ng6 Kg8 53.Nh4 Ng3 54.Ke6 Re7 55.Kf6 Re3 56.Nf5 Nf5 57.Kf5 Re4 58.Rg1 Kf7 59.Bc3 Bg7 60.Rd1 Bh6 61.Rf1+= Bg7 62.Rb1 Re7 63.Rd1 ½–½. Amor Alcaide,Manuel (2115) – Colom Andres,Xavier (2075), La Lira op Barcelona, 1995.

9.b5 a4=.

9.b5 Rb8 10.cd5 Nd5 11.Qa4+=.

9.b5 c5 10.dc5 (10.cd5!? Nd5 11.Qb3+/–) 10...Nc5+= 11.cd5 Qd5 12.Bd4 Nce4 (12...Ne6 13.Bc4 Qf5 14.0-0+=) 13.Bc4+/– Qd8 (13...Qf5 14.Ne4 Qe4 15.0-0+/–) 14.0-0 (14.Ne4 Ne4 15.Bg7 Qd1 16.Rd1 Kg7+=) 14...Bg4+= 15.Qb3 (15.Ne4 Ne4 16.Bg7 Qd1 17.Rfd1 Kg7+=) 15...a4 16.Qb2 Nd6 (16...a3 17.Qc2 Nd6 18.Bd3+=) 17.Bd3 (17.Be2 Qa5+=) 17...a3 (17...Nf5 18.Bf5 Bf5 19.Rfd1+=) 18.Qb1 Bf3 (18...Nf5 19.Be5+=) 19.Nf3+/– (worse is 19.gf3 e6=) 19...Nd5 20.Bg7 Kg7 ½–½. Mohota, (2330) – Campos Moreno,J (2445), X Open, Banyoles ESP, 2007. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 Nbd7 7.Bb2 c6)

9.b5 Re8 10.a4 (10.cd5 Nd5 11.Be2 cb5 12.Bb5 Nc7+=) 10...cb5= 11.cb5 b6 (11...Nb6 12.Bd3=) 12.Qc2 (12.Bd3 Bb7+=) 12...Nf8 13.Bd3 Bg4 14.0-0 Bf3 15.Nf3 Rc8 16.Qb1 Qd6 17.Qa1 Ne6 (17...Qe6 18.Rc8 Rc8 19.Rc1+=) 18.Ba3 Qb8 19.Rc6 Rc6 20.bc6 Rc8 (20...Qc7 21.Qb2+/-) 21.Bb5 (21.Be7!? Ne4 22.Rc1 Qc7+-) 21...Nd8 22.Ne5 Ne4 23.Nd7 (worse 23.Be7 Be5 24.de5 Nc6+=) 23...Qa8?? (better 23...Qc7 24.Rc1 e6+/-) 24.Nb6+- (24.Be7?! Qa7 25.Bd8 Rd8+-) 24...Qb8 25.Nd5 e6 (25...Bf8 26.Rc1 Qa7 27.c7+-) 26.Ne7 Kh8 27.Nc8 Qc8 28.g3 (28.Qc1!? Qc7 29.f3 Ng3 30.hg3 Bh6+-) 28...h5 (28...Qc7 29.Rc1 g5 30.Be2+-) 29.Rc1 (better 29.f3 Nf6 30.Rc1+-) 29...h4 (29...Qc7+-) 30.Qb1 (better 30.c7 Bf6+-) 30…h3 1-0. zembelek (1945) - pliskin11 (1855), Rated Blitz game, lichess.org, 2013. (=1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.c4 Nbd7 5.Nf3 g6 6.d4 Bg7 7.Nbd2 0-0)

9.a3 ab4 10.ab4 Ra1 11.Qa1 dc4 12.Nc4 Nd5 13.Qa5 Nb8 14.b5 b6 15.Qa4 cb5 16.Qb5 Ba6 17.Qb3 Nc6 18.0-0 e6 19.Rc1 Na5 20.Na5 Be2 21.Nc6 Qd7 22.e4 Bf3 23.Qf3 (23.gf3?! Nf4 24.Kf1 Qb7=; worse is 23.ed5 Bd5 24.Qb6 Bh6+=) 23...Nc7 24.Qb3 b5 25.h4 Ra8 26.h5 gh5 27.d5 Bb2 (27...ed5? 28.Bg7 Kg7 29.Qg3 Kf8 30.Ne5+–) 28.Qb2 ed5 29.Qe5 Re8 30.Qg5 Kf8 31.Qh6 Kg8 32.Qg5 Kf8 33.Qf6 Kg8 34.Rc3 h4 (34...Re4?? 35.Rg3 Rg4 36.Ne7 Kf8 37.Nf5 Qf5 38.Qf5 Rg3 39.fg3+–) 35.Qh4 Re6? (35...Qd6 36.e5 Qe6 37.Nd8+–) 36.Qg3 (better is 36.Ne5 Qd6 37.Nf7+–) 36...Rg6?? (better is 36...Kf8 37.Nb8 Qd6 38.Qd6 Rd6 39.Rc7 de4+–) 37.Ne5+– Rg3 38.Rg3 (38.Rg3 Kf8 39.Nd7 Ke7 40.Nc5+–; 38.Nd7?? Rc3 39.Nf6 Kg7–+) 1–0. Garcia Palermo,C (2465) – Rombaldoni,D (2490), 70th ch–ITA Siena ITA, 2010. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nbd2 Bg7 6.b4 Nbd7 7.Bb2 0-0 8.Be2)

9.a3 b6 10.0-0 Bb7 (10...dc4 11.Bc4 ab4 12.ab4 Ra1 13.Qa1 Bb7) 11.Qc2 e6 (11...c5 12.dc5 bc5 13.b5+=) 12.c5 (12.Bc3 c5+=) 12...bc5 13.bc5 Ba6 14.Ba6 Ra6 15.a4 (15.Rab1 Qc7+=) 15...Qc7 (15...Nb8 16.Rab1+=) 16.Bc3 (16.Rab1 Raa8+=) 16...e5 (16...Rb8 17.Rfb1+=) 17.de5 Ng4 18.h3 (18.Rab1 Raa8+=) 18...Nge5 19.Ne5 Be5 20.Rab1 Raa8 21.Be5 Ne5 22.Rb3 Nd7 23.e4 Nf6 (23...Rad8 24.ed5 cd5 25.Rb5+=) 24.Rfb1 (24.ed5 Nd5 25.Nc4 Rab8+=) 24...Rae8 (24...Rad8 25.R3b2+=) 25.ed5+/– Nd5 (25...cd5 26.Rb7 Qf4 27.Qd1+=) 26.Ne4 (26.Nc4 Nb4 27.Qc3 Re4+=) 26...Qe5 (26...Qf4 27.Nd6 Re5 28.Rb7+=) 27.Nd6 Re6 28.g3 (28.Qc4 Nf4+=) 28...h5 (28...Nf6 29.Re3 Qh5 30.g4+=) 29.h4 (29.Qc4 h4+=) 29...Nb4 30.Qc4 Qe2 31.Qe2 (31.Qd4 Qc2+=) 31...Re2= 32.Nc4 (32.Nb7 Ra8+=) 32...Ra8 (32...Na6 33.Na5 Nc5 34.Ra3=) 33.Na5 (33.Kg2 Kg7=) 33...Ra5= 34.Rb4 Rc2 ½–½. Deepan,Chakkravarthy J (2480) – Das,Sayantan (2395), 10. Mayors Cup Open, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Nbd7 8.Be2 a5)

9.a3 dc4 10.Nc4 ab4 11.ab4 Ra1 12.Qa1 Nd5 13.Qa3 N7b6 14.Na5 Nc7 15.0-0 Nb5 16.Bb5 cb5 17.Qd3 Qd5 18.e4 Qh5 19.Rc1 Be6 20.Rc5 Bc4 21.Nc4 bc4 22.Qc2 Qg4 23.Rb5 Qe6 24.d5 Qd6 25.Bg7 Kg7 26.Qc3 Kg8 27.Qd4 Ra8 28.g3 Qc7 29.Qb6 Qb6 30.Rb6 c3 31.Nd4 Ra1 32.Kg2 Rd1 33.Nc2 Rd2 34.Ne3 c2 35.Nc2 Rc2 36.Rb7 Kf8 37.b5 Rc4 38.Kf3 f5 39.ef5 gf5 40.b6 Rb4 41.Rb8 Kg7 42.b7 h5 43.h4 Kh7 44.Ke3 Kg7 45.f4 Kh7 46.Kd3 1–0. Kaenel – Tolnai, 1990.

9.b5 a4 10.Ba3 Re8 11.0-0 cb5 12.cb5 b6 13.Rc1 Bb7 14.h3 Qb8 15.Bb4 e6 16.Qc2 Bf8 17.Qb2 a3 18.Qb3 Bb4 19.Qb4 Rc8 20.Nb3 Ne4 21.Rc8 Bc8 22.Rc1 Qd6 23.Qd6 Nd6 24.Rc6 Ne8 25.Ne5 Ne5 26.de5 Rb8 27.Nd4 Bd7 28.Rc3 Ra8 29.Kf1 g5 30.g3 Kg7 31.Ke1 f6 32.f4 gf4 33.gf4 fe5 34.fe5 Ra7 35.Kd2 h6 36.Bd3 Kf7 37.Kc2 Ng7 38.Kb3 Nh5 39.Rc2 Ng3 40.Rf2 Ke7 (40...Nf5+–) 41.Rg2 Ne4 42.Be4 de4 43.Nc6 (43.Nc6 Bc6 44.Rg7 (44.bc6?! Ra5+/–) 44...Kf8 45.Ra7 Bb5 46.Rh7+–) 1–0. Roy Chowdhury,Saptarshi (2420) – Boudre,Jean Pierre (2325), Montpellier op, 2007. (=1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.Nbd2 g6 5.Be2 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.c4)

9.b5 a4 10.Rb1 cb5 11.cd5 Nd5 12.Bb5 Qa5 13.Be2 b5 14.0-0 Ba6 15.Ne4 Rac8 (15...b4 16.Ba6 Ra6 17.Rc1=) 16.Ba3 f5 17.Neg5 Nc3 18.Bb4 Qb4 (worse is 18...Nd1 19.Ba5 Nc3 20.Bc3 Rc3 21.Bb5 Bb5 22.Rb5+/–) 19.Rb4 Nd1 20.Rd1 (worse is 20.Bd1 Rf6+=) 20...Rc2 21.Bb5 Rb8? (better is 21...Bb5 22.Rb5 Ra2+=) 22.Ba4+– Rb4 23.Bc2 Bc4 24.Rb1 (24.Rb1 Rb1 25.Bb1+–) 1–0. Arkell,Keith C (2455) – Bernard,Christophe (2355), Cannes op, 1998. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d5 6.e3 Nbd7 7.Be2 c6 8.c4)

9.b5 a4 10.bc6 bc6 11.Ba3 Re8 12.Rc1 e5 13.de5 (13.Bd6 ed4 14.Nd4 c5=) 13...Ne5 14.0-0 Nf3 15.Nf3 Ne4 16.cd5 cd5 17.Nd4 Bd7 18.Bb5 Attacks the isolani on a4 18...Bb5 19.Nb5 Qd7 (19...Be5!?=) 20.Nc7+/- Attacking the isolated pawn on d5 20...Nc3 21.Rc3 Bc3 22.Ne8 (22.Nd5!? Qc8 23.Qf3+=) 22...Re8= 23.Qd3 Bg7 24.Rd1 Rd8 25.Bc5 Qc6 (25...Rc8 26.Bd4= (26.Qd5? Qd5 27.Rd5 Bf8-+)) 26.Bd4+= Bd4 27.Qd4 Rb8 28.g3 (28.Qd5?? Qd5 29.Rf1 Qa2-+) 28...Qc4 29.Qd5 (29.Qe5 Rc8=) 29...Qd5=+ 30.Rd5 Rb2 31.Ra5 Ra2 32.Ra7 h5 33.h3 a3 ½-½. Druska,J (2490) - Ftacnik,L (2510), Slovak Online World Cup Q, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.c4 c6)

9.b5 cb5 10.cd5 b4 11.e4 Nb6 Black plans a4 12.0-0 a4 13.Rb1 a3 (13...b3 14.ab3 a3 15.Bc1+/-) 14.Ba1+/- Nh5 15.Rb4 Nf4 16.Bb5 (16.Nc4!? Nc4 17.Bc4+/- (17.Rc4?! b6=)) 16...Qd7?? (better 16...f5=) 17.Bd7+- (17.Bd7 Nd7 18.Qb3+-) 1-0. jhonores (2310) - droker20 (1820), Escuela de Ajedrez del Callao, lichess.org, 2020.

9.b5 c5 10.0-0 cd4 11.Bd4 Re8 12.cd5+/– Nd5 13.Bg7 Kg7 14.Nc4 N7f6 15.Qd4 Nb4 (15...Bd7 16.a4+/–) 16.Qc3 (16.Qb2 Bf5+/–) 16...Be6 17.a3 (17.Rfd1 Qc7+/–) 17...Nbd5 (17...Bc4 18.Bc4 Nbd5 19.Qb2+/–) 18.Qd4 Nc7 (18...Rc8 19.b6+/–) 19.Nb6 (19.Qb2 Qb8+/–) 19...Qd4 (19...Rb8 20.Rac1 Na8 21.Na8 Ra8 22.Qb2+/–) 20.Nd4 (worse is 20.ed4 Rad8+=) 20...Rad8 21.Rfc1 Nfd5 22.Nc4 Bd7 23.Na5+– e5 24.Ndb3 Bb5+/– 25.Bb5 Nb5 26.Nb7 Rb8 27.N7c5+– Nbc3 28.Rc2 Na4 29.Na4 Rb3+/– 30.Nc5 Rc3 31.Rc3 Nc3 32.a4 Rc8 33.Nb3 Rb8 34.Nd2 Rb2 35.Nc4 Rb4 36.Ne5 Na4 37.g3 Re4 38.Nf3 Rb4 39.h4 h6 40.Rc1 Rb7 41.Rc6 Nb6 42.h5! gh5 43.Nh4 f6 44.Rc5 Nd7 45.Rh5 Ne5 46.e4 Nf7 47.Kg2 Rb4 48.f3 Rb2 49.Kh3 Rb3 50.Rc5 Ne5 51.Nf5 Kf8 52.Rc8 Kf7 53.Rc7 Kf8 54.f4 Nd3 55.Kh4 Nf2 56.Kh5 Ke8 57.Kh6 Kd8 58.Rc4 Nh1 59.Kg6 Ng3 60.Ng3 Rg3 61.Kf6 1–0. Simonenko,S (2405) – Kreisl,R (2285), 37th Olympiad, Turin ITA, 2006. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Be2 Nbd7 8.Bb2)

9.b5 c5 10.0-0 Re8 11.cd5 Nd5 12.Bc4 e6 (12...N7b6 13.Rc1=) 13.Rc1 b6 14.Ne4 Qe7 15.Ba3 Nb4 16.dc5 ½–½. Pecha,T (2240) – Talla,V (2380), ch–CZE, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 Nbd7 7.Bb2 c6 8.Be2 a5)

9.b5 c5 10.cd5 Nd5 11.Qb3 e6 12.0-0 b6 13.Ne4 a4 14.Qa3 Qe7 15.Ne5 (15.dc5 f5 (worse is 15...Nc5 16.Bg7 Kg7 17.Nc5+–) 16.Bg7 Qg7+=) 15...Nb4 (15...cd4!? 16.ed4 Qa3 17.Ba3 Ne5 18.Bf8 Kf8 19.de5 Be5=) 16.Rac1 Ne5 17.de5 Bb7 18.Nf6 Kh8 19.e4 Rfd8 20.Rfd1 Bf6 21.ef6 Qf8 22.Bf3 (22.f3 Qh6+/–) 22...h6 (better is 22...Rd1!? 23.Rd1 Qe8+=) 23.Be5 Kh7 24.h4 (24.Bc7 Rd1 25.Rd1 Qe8+/–) 24...h5 (better is 24...Qe8!?=) 25.Bc7+/– Rd1 26.Rd1 Nc2 27.Qd3 Nd4 28.Rc1 (28.Bb6 Rc8 29.Ba7 e5+=) 28...Qh6 (28...Ra5!? 29.Rb1 Rb5 30.Rb5 Ba6=) 29.Rc4+/– Rc8 (29...Nf3!? 30.gf3 g5+/–) 30.Bb6+– Qf4 31.Bc5 (worse is 31.Rc5 Rc5 32.Bc5 Qc1 33.Bd1 Qc5 34.Ba4 Qb4–+) 31...Nf3 32.Qf3 Qh4 33.Qc3 Qg5 34.f3 (34.Qd4!? Qf4 35.b6 Qe4 36.Qe4 Be4 37.Re4 Rc5 38.Ra4 Rb5+–) 34...h4 (34...Rd8 35.Bd4 Qb5 36.Rc7+=) 35.Kf1 h3? (better is 35...Rd8!?+/–) 36.gh3+– (36.Ra4 Qg2 37.Ke1 h2 38.Kd1 Rc5 39.Rc4 h1Q 40.Qe1 Qe1 41.Ke1 Rh5 42.a4 Rh1#) 36...Qg3 37.Ke2 (37.Ra4 Qh3 38.Ke2 Qg2 39.Kd1 Qf1 40.Kc2 Qb5+=) 37...Qh3 38.Bf2 (38.Ra4 Qg2 39.Kd1 Qf1 40.Kc2 Qb5+=) 38...Rd8 (38...e5+–) 39.Qe3 (better is 39.Rc7 Be4 40.fe4 Qh5 41.Ke3 Kg8+–) 39...Qh1 (39...Rd1 40.Kd1 Qf1 41.Be1 Qc4+–) 40.Rc1 Qh5 41.Rc5 Qh2 42.Qc1 Rd7 43.Qg5 Qd6 44.Kf1 Qd3?? (better is 44...Qh2 45.Qh4 Qh4 46.Bh4 Rd1 47.Kf2 Rb1+–) 45.Kg2+– Qd1 (45...Qd2 46.Qd2 Rd2+–) 46.Rc1 (46.Qh4 Kg8 47.Qh6 Qf1 48.Kf1 Rd1 49.Ke2 Re1 50.Ke1 Be4 51.Rc8#) 46...Qd2 47.Rh1 (47.Rh1 Kg8 48.Qh4 Qh6 49.Qh6 Be4 50.Qg7#) 1–0. Arkell,K (2430) – Rayner,F (2140), 8th South Wales Int, 2011. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d5 6.e3 c6 7.c4 Nbd7 8.Be2)

9.Nc4 Ne4 10.0-0 Nd6 11.a4 Nc4 12.Bc4 Nb6 13.Bb3 Bg4 14.h3 Bf5 15.Nd2 Qd7 (15...Bd3 16.Re1=) 16.a5+= Nc8 17.a6 (17.Qf3 e5+=) 17...Bd3= 18.ab7 Qb7 19.Re1 Qb4 20.Qc1 Nd6 21.Ba3 Qb7 22.Qc3 Bb5 23.e4 Rac8 (23...a5!?=) 24.Bc5+= a6 25.e5 Nf5 26.g4 Nh4 (26...Nh6!?=) 27.Qg3 g5 28.Ne4 h6 29.f4 Ng6 30.fg5 hg5 31.Ng5 Bh6 32.Ne4 Bf4 33.Qf3 Qd7 34.h4! Bd3?? 35.h5 Be5 36.de5 Ne5 37.Qf4 Ng4 38.Ng5 e5 39.Qg3 Bf5 40.Rad1 Qc7 41.Rf1 (41.Rf1 Qa5 42.Bf8 Qb6 43.Kh1+–; 41.Bf8?! Rf8 42.Ne4 Kh8+–) 1–0. Pakhomov,Egor – Malezkey,Vladimir, Abaza RUS, Open, 2012. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 Nbd7 8.Be2)

10.0-0 Nc4 11.Bc4 Qd6 12.Qb3 b5 13.Be2 (13.Bd3 Be6 14.Qa3 Nd5=) 13...Be6 14.Qc2 (14.Qa3 Nd5=) 14...Qb4 15.a4 (15.Rfc1 Rfc8=) 15...Bf5=+ 16.Qc1 (16.Bd3 Bd3 17.Qd3 ba4=+ (worse 17...Qb2 18.Rfb1 Qa1 19.Ra1+–)) 16...Rfc8 17.Ba3 (17.Bc3 Qd6=+) 17...Qa4 18.Be7 Qc2 19.Qc2 Bc2 20.Ra6 (20.Rfc1 Be4=+) 20...Nd5 21.Rc1 Be4 (21...Ne7 22.Rc2 Rcb8 23.Nd2=+) 22.Bc5= Bf8 23.Nd2 (23.Bf8 A) worse 23...Rf8 24.Rac6 (24.Rcc6? Nb4 25.Rd6 Na6 26.Ra6 Rfc8–+) 24...Nb6 25.R6c5+= (worse 25.Bb5 Bc6 26.Bc6 Rfc8=); B) 23...Kf8 24.Ng5 Nb4=+) 23...Bc5 24.Rc5 (24.Ne4 Bb6=+) 24...Nb4–/+ 25.Ra5 Bd3 (25...Bd5 26.Kf1–/+) 26.Bf3 a6 (26...f5 27.Rc3 Bc2 28.Ra1=+) 27.Rc3= Bf5 (27...Bc2 28.Nb3=+) 28.Nb3 (28.Rb3 Nc2+=) 28...Be6= 29.Nc5 Bc4 (29...Bd5 30.Bd5 Nd5 31.Rc1=) 30.Nd7+= Ra7 (30...Nd5 31.Rc1+=) 31.Nb6 Rb8 32.Nc4 bc4 33.Rc4 Rb5 (33...Rb6 34.Kf1+=) 34.Ra1 (34.Ra4 Rab7 35.g4 R5b6+=) 34...a5 (34...Rb6 35.Kf1+=) 35.Bc6 (35.Be2 Rab7+–) 35...Nc6+= 36.Rc6 a4 37.Rc2 a3 (37...f5 38.Kf1+–) 38.Rca2 Rb3 (38...Rb2 39.d5+– (39.Ra3?? Ra3 40.Rf1 f5–+)) 39.Kf1 Kf8 (39...h5 40.Ke1+–) 40.Ke2 (40.Ke1 Ra6+–) 40...f5 (40...Ra6 41.Kd1+–) 41.Kd1 Kf7 42.Kc2 (42.h3 Ke6 43.Kc2 Rab7+–) 42...Rab7 43.Ra3 Rb2 44.Kc3 Rf2 45.R3a2 Ra2 46.Ra2 Ke6 (46...h5 47.Kc4+–) 47.Ra6 (47.Kc4 Rc7 48.Kd3 Rc1+–) 47...Kd5 48.Ra5 Kd6 (48...Ke6 49.g4!+–) 49.h3 (49.g4 Ke6+–) 49...Rf7 (49...Rb1 50.Kd3+–) 50.Kd3 (50.g4 Kc6+–) 50...Ke6 (50...Rb7 51.g4 Rb3 52.Ke2 Rb2 53.Kf3+–) 51.g4 (51.Ra6 Kd5+–) 51...Rb7 52.gf5 (52.e4 fe4 53.Ke4 h6+–) 52...gf5 53.Ra6 Kf7 54.Ke2 (54.d5 Rb4 55.Rh6 Kg7+–) 54...Rb1 (54...Re7 55.Kf3+–) 55.Kf3 Rf1 56.Kg3 Kg7 (56...Rh1 57.h4+–) 57.h4 Kf7 (57...h6 58.Rc6+–) 58.h5 Kg7 59.h6 Kf7 60.Rb6 Ke7 (60...Rh1 61.Kf4 Rh5 62.d5+–) 61.Rb7 Kf6 62.Rh7 Kg6 63.Rh8 Rg1 (63...Kg5 64.Kg2 Re1 65.Kf3+–) 64.Kf4 Rg4 (64...Rf1 65.Ke5+–) 65.Kf3 Rh4 (65...Re4 66.Ke2+–) 66.d5 (66.Rb8 Rh3 67.Kf2 Kh7+–) 66...Kf7 (66...Rh3 67.Ke2 Rh2 68.Kd3 Ra2+–) 67.d6 (67.d6 Ke6 68.h7+–) 1–0. Foisor,Mihaela (2120) – Havlikova,Kristyna (2160), TCh Eur–Youth U18 g, Pardubice CZE, 2009. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.Nbd2 0-0 6.e3 c6 7.c4 Nbd7 8.Be2 dc4 9.Nc4 Nb6)

10.0-0 Nfd5 11.Qb3 Nc4 12.Qc4 A) 12...Bf5 A1) 13.Rac1 Qd6 14.a3 Rfd8 15.Rfd1 Qf6 16.Ne5 Be4 17.Qc5 Rd6 18.Bd3 Bd3= 0.19; A2) 13.a3 Qd7 (13...Qd6 14.Rac1 Rfd8 15.Rfd1 a6 16.Ne5 Qf6 17.Bf3 Bh6 18.Qe2 Be6+= 0.44; 13...e6 14.Rac1 Qf6 15.Ne5 Rfd8 16.Bf3 Nb6 17.Qb3 Qh4 18.e4 Be5+= 0.59; 13...a6 14.Ne5 e6 15.Rac1 Be4 16.Bd3 Bd3 17.Nd3 a5 18.b5 Nb6+= 0.31) 14.Ne5 Qd6 15.Bf3 Nb6 16.Qe2 Na4 17.b5 Be5 18.de5 Qd3= –0.03; A3) 13.Ne5 Qd6 (13...e6 14.Rac1 Be4 15.b5 cb5 16.Qb5 f6 17.Nd3 Nc7 18.Qa4 Bc6+= 0.41; 13...Be6 14.Qc5 b6 15.Qc6 Nb4 16.Qa4 Be5 17.de5 Qd2 18.Bf3 Bd5+= 0.47; 13...f6 14.Nd3 a5 15.ba5 Ra5 16.Nc5 Qb6 17.Qb3 Qb3 18.ab3 Ra1+= 0.47) 14.b5 Rac8 15.Bf3 Nb6 16.Qe2 cb5 17.Qb5 a6 18.Qa5 f6= 0.22; A4) 13.Rfc1 Qd6 14.b5 cb5 15.Qb5 a6 16.Qb3 b5 17.Ba3 Qd7 18.Bc5 Be6+= 0.34; B) 12...Bg4 B1) 13.a3 e6 14.Rfc1 Qf6 15.h3 Bf5 16.Qb3 Nb6 17.b5 Be4 18.a4 cb5= 0.19; B2) 13.Rac1 Be6 (13...Qd6 14.b5 Rfc8 15.bc6 Rc6 16.Qa4 Bd7 17.Qb3 Rb6 18.Qa3 Bf5+= 0.28; 13...Qd7 14.h3 Bf3 15.Bf3 Rfd8 16.Be2 e6 17.Rfd1 h6 18.a3 Qd6+= 0.37; 13...e6 14.a3 Qf6 15.Rfd1 Rad8 16.Ne5 Be2 17.Qe2 Qh4 18.e4 Nf4= 0.19) 14.Ng5 Bf5 15.Rfd1 e5 16.Nf3 e4 17.Nd2 a6 18.a4 Qg5= 0.03; B3) 13.Rfc1 e6 (13...Qd7 14.a4 Rad8 15.Qc5 a6 16.h3 Bf5 17.Ne5 Qe6 18.g4 Be4+– 0.72; 13...a6 14.a3 Qd6 15.Ne5 Be2 16.Qe2 f5 17.Qf3 Rad8 18.Rd1 Qe6= 0.22; 13...Qd6 14.b5 Rfc8 15.bc6 Rc6 16.Qa4 Bd7 17.Qb3 Rb6 18.Qa3 Bf5+= 0.28) 14.b5 Qb6 15.a4 a6 16.bc6 Qb2 17.Rab1 b5 18.Rb2 bc4= 0.12; B4) 13.Rfd1 Qd6 14.a3 Rfd8 15.Rac1 a6 16.Ne5 Bf5 17.Bf3 Be6 18.Qc5 h6+= 0.41; C) 12...Qd6 C1) 13.b5 Be6 (13...cb5 14.Qb5 a6 15.Qb3 b5 16.a4 ba4 17.Qa4 Bf5 18.Rfc1 Rfb8+= 0.31; 13...Bd7 14.bc6 Bc6 15.Ne5 Nb6 16.Qd3 Bd5 17.e4 f6 18.Ng6 Bc4+= 0.34) 14.Qd3 cb5 15.Qb5 a6 16.Qd3 b5 17.Rfc1 Bf5 18.Qb3 Rad8= 0.09; C2) 13.a3 Rd8 (13...Bf5 14.Rac1 Rfd8 15.Rfd1 Qe6 16.Ne5 Rac8 17.g4 Be4 18.f3 Bf3+– 1.00) 14.Rfc1 Bf5 15.Qc5 Qc5 16.Rc5 a6 17.Rac1 Bh6 18.Rd1 e6= 0.19; D) 12...Be6 13.Qc5 Qd6 14.a3 a5 15.Qd6 ed6 16.b5 c5 17.Rfc1 Rac8 18.Nd2 a4= –0.09.

10.0-0 Nfd5 11.Qb3 Nc4 12.Bc4 a5 A) 13.b5 a4 (13...Bf5 14.Rfc1 a4 15.Qa3 cb5 16.Bb5 Qb6 17.Bc4 Nb4 18.Ne1 Rfc8= 0.12) 14.Qa3 Bd7 15.bc6 Bc6 16.e4 Nb6 17.Bd3 f5 18.Rae1 fe4= –0.03; B) 13.a3 Qd6 (13...ab4 14.ab4 Ra1 15.Ra1 b5 16.Bd5 cd5 17.Qd3 Qb6 18.Ra5 Ba6+= 0.34; 13...Be6 14.Ng5 Bc8 15.b5 a4 16.Qd3 cb5 17.Bb5 Ra5 18.Rab1 Nc7= 0.06; 13...b5 14.Bd3 Qd6 15.ba5 Ra5 16.a4 ba4 17.Ra4 Ra4 18.Qa4 Bg4+= 0.47) 14.b5 a4 15.Qa2 Bf5 16.bc6 bc6 17.Rae1 Nb6 18.e4 Nc4= 0.03; C) 13.ba5 Ra5 14.a4 Nb6 15.Bd3 Nd5 16.e4 Nf4 17.Rfd1 Bg4 18.Bc4 e6+= 0.41.

10.0-0 Nfd5 11.Qb3 Nc4 12.Bc4 b5 A) 13.Bd5 Qd5 (13...cd5 14.Rfc1 Bg4 15.Ne5 Be6 16.Rc5 a6 17.Rac1 Be5 18.de5 d4+= 0.47) 14.Qd5 cd5 15.Rfc1 Bg4 16.Ne5 Be5 17.de5 Rac8 18.Rc5 Rc5+= 0.41; B) 13.Bd3 Qd6 (13...a5 14.ba5 Bg4 15.a4 Bf3 16.gf3 b4 17.Rfc1 Qd6 18.Rc5 Qf6+= 0.53; 13...Be6 14.Ng5 Bg4 15.Ne4 a5 16.ba5 Ra5 17.Nc5 Qa8 18.Rfc1 Rd8+= 0.59) 14.a3 a5 15.ba5 Ra5 16.a4 ba4 17.Ra4 Ra4 18.Qa4 Bg4+= 0.47.

10.0-0 Nfd5 11.Qb3 Nc4 12.Bc4 Nb6 13.a4 (13.Bd3 Qd5 (13...Nd5 14.b5 Be6 15.Ng5 Bg4 16.Ne4 cb5 17.Bb5 a6 18.Bd3 b6+= 0.44; 13...Qd6 14.Rfc1 Bd7 15.Ba3 Be6 16.Qb2 Rfc8 17.Rab1 Nd7 18.Ng5 Bd5+= 0.37) 14.Qc2 Rd8 15.Rfc1 Bg4 16.Be4 Qe6 17.h3 Bf3 18.Bf3 Nd5+= 0.31; 13.Be2 Qd5 (13...Qd6 14.a3 Bf5 15.Rfc1 Rfd8 16.b5 cb5 17.Qb5 a6 18.Qb3 Nd5= 0.25; 13...Bf5 14.Rfc1 Qd5 15.Qa3 Rfd8 16.Rc5 Qd6 17.b5 cb5 18.Rb5 Rdc8= 0.00; 13...Nd5 14.b5 Bf5 15.Rfc1 Rb8 16.Ba3 cb5 17.Bb5 Nc7 18.Be2 Be4+= 0.53) 14.Qd5 Nd5 15.b5 cb5 16.Bb5 Bf5 17.Rac1 Rac8 18.Rfe1 Nb4= 0.00) 13...Nc4 14.Qc4 Be6 15.Qc5 (15.Qe2 a5 16.b5 cb5 17.ab5 Qb6 18.Ba3 Bd7= 0.12) 15...Bd5 16.Nd2 f5 17.f3 Bh6 (17...b6 18.Qc3 Rc8=+ –0.28) 18.Qc3 (18.Rae1 Bg5= –0.03) 18...a5 19.b5 cb5 20.ab5 Qb6 21.Nc4? (better 21.Qd3=) 21...Qb5–+ 22.Na5? (better 22.Na3 Qb3 23.Rfe1–+) 22...Rfc8 23.Qa3 (23.Qd2 b6 24.Bc3–+) 23...b6 24.Qe7 (24.Rfc1 Rc1 25.Bc1 Ra5–+) 24...ba5 (24...Qb2!? 25.Qe5 Bf7 26.Rab1–+) 25.e4 Qb2 26.ed5 Qd4 27.Kh1 Qd5 28.Rfd1 Qf7 29.Qh4 Bg7 30.Ra3 Bf8 31.Ra4 Bb4 32.h3 Rc4 33.Rd8 (33.Qf2–+) 33...Kg7 34.Rd4 Rac8 (34...Rc1 35.Kh2 Qc7 36.Qg3 Rh1 37.Kh1 Qg3 38.Rdb4 Qe1 39.Kh2 Qb4 40.Ra1–+) 35.Ra1 (35.Rc4 Qc4 36.Qc4 Rc4–+) 35…Bc3 (35...Bc3 36.Rad1 Bd4 37.Rd4 Qc7 38.Rc4 Qc4 39.Qe7 Kh6 40.Qe3 f4–+) 0–1. Graf,Michael (1855) – Reschke,Stefan (2360), Schwaebisch Gmuend GER, 2012.

10.0-0 Nfd5 11.Qb3 Nc4 12.Bc4 Be6 A) 13.a4 Nc7 (13...Qd6 14.b5 cb5 15.ab5 Nc7 16.Rfc1 Bc4 17.Rc4 Qd7 18.Rc5 b6+= 0.47; 13...Bf5 14.Ne5 e6 15.Rfe1 Nb6 16.e4 Be5 17.de5 Bg4 18.Bf1 Qg5+– 1.00; 13...Qd7 14.Ng5 h6 15.Ne6 Qe6 16.Rfc1 a6 17.b5 Rfb8 18.Ba3 Qe4+– 0.81) 14.Rac1 Qd6 15.e4 Bc4 16.Qc4 Ne6 17.b5 cb5 18.Qb5 a6= 0.22; B) 13.Rfc1 b5 14.Bd5 Bd5 15.Qc2 Bf3 16.gf3 Qd6 17.Qc5 Rfc8 18.a4 ba4= 0.19; C) 13.Ng5 Bc8 (13...b5 14.Ne6 fe6 15.Be2 Qd6 16.e4 Nf4 17.Bf3 a5 18.e5 Qd7+– 0.97; 13...Bg4 14.h3 Bc8 15.b5 e6 16.Ne4 cb5 17.Bb5 f5 18.Nc3 Bd7+= 0.31) 14.b5 e6 15.Ne4 cb5 16.Bb5 f5 17.Nc3 f4 18.Nd5 ed5= 0.25.

10.0-0 Be6 11.Nce5 Ng4 (11...Nfd5 12.Ng5=) 12.Ng5+= Ne5 13.Ne6 fe6 14.de5 Qd5 (better 14...Qd1!? 15.Rad1 Kf7+=) 15.Qc2+– Be5 (15...Qd7 16.Rad1 Qc7 17.Bg4 Be5 18.Be6 Kh8 19.f4+–) 16.Rfd1+– Bb2 17.Rd5 Ba1 18.Rd1 Bg7 (18...Bf6 19.Qe4 Kg7 20.Qe6+–) 19.Bg4 e5 20.a4 Rf6?! (20...Bf6+–) 21.a5 Nd5 22.e4 Nc7 23.Rd7 Nb5 24.Re7 Nd4 (24...b6 25.f4 (25.Re5?! Raf8+–) 25...Raf8 26.Qc4 Kh8 27.fe5+–) 25.Qc4 Kh8 26.Rb7 h5 (26...Raf8 27.Bf3 Nb5 28.Qc5+–) 27.Bd1 Raf8 (27...Nb5 28.Qc5 Re8 29.Be2+–) 28.f3 Rd6 (28...Nb5 29.Qc1 a6 30.Rb6+–) 29.Ba4 Bh6 (29...Ne6 30.Qa6 Rd2 31.Qc6+–) 30.Qc5 Rdf6 (30...Re6 31.Qa7 Kg8 32.Kf2+–) 31.Qe5 Be3 32.Kf1 Kg8 (32...Ne6 33.Bb3 Bf4 34.Qc3+–) 33.Rd7 1–0. Ddgs – Oneedin, internet, 2019.

10.Na5 Rb8 11.0-0 Bf5 12.a3 h6 Covers g5 13.Rc1 Qd6 14.Nd2 h5 Black has an active position 15.Re1 Bh6 16.Bf3 Bg4 17.h3 Bf3 18.Nf3 Ne4 19.Qc2 White threatens to win material: Qc2xe4 19...Qd5 20.Ne5 Bg7 21.Rcd1 Nf6 (21...Rfd8!?= must be considered) 22.e4+/- Qd8 (22...Qd6 23.Bc1 Nfd7 24.Nd3+/-) 23.Nd3 Nfd7 24.Bc1 Qc7 (24...Nc8 25.Bg5+/-) 25.Bf4 e5 26.Bg3 f6 (26...h4 27.Bh4 ed4 28.Nb3+-) 27.Re2 Rbc8 28.Qb3 Kh7 29.Rc2 Qb8 (29...f5 30.de5 h4 31.Bf4 Ne5 32.Nc5+-) 30.Nc5 f5 (30...Nc5 31.bc5 (worse 31.dc5 Na8+-; 31.Rc5?! Rfd8+/-) 31...Nd7 32.Nb7+-) 31.ef5 gf5 32.Qf3 f4 33.Qh5 Kg8 34.Bh4 Nc5 35.dc5 (35.bc5?! Nd5 36.de5 Qe5 37.Qe5 Be5 38.Nb7 Bc7+-) 35...Nd5 36.Nc4 Rc7 37.Ne5 (37.Nd6!? might be the shorter path 37...Rd7+-) 37...Qc8 38.Nf3 Qe8 39.Qg4 Qe4? (39...Qd7 40.Qd7 Rd7 41.Bg5+-) 40.Rcd2 (better 40.Nd4! might be the shorter path 40...Kh7 41.Re2 Qg6+-) 40...Qf5 41.Qf5 Rf5 42.Rd3 Rc8 43.Nd2 (43.Re1 Ra8+-) 43...a5 44.Nc4 (better 44.ba5!? Ra8 45.Re1+-) 44...Rh5+/- 45.g3 ab4 46.ab4 Rc7? (46...fg3!? 47.fg3 Nb4+/-) 47.Rb1 (47.Bd8 Rf7 48.g4 Rh7+-) 47...Bf8 (47...Rd7 48.Rbb3+/-) 48.Kg2 (48.Bd8 Rch7 49.h4 Rg7+-) 48...Rg7 49.Kh2 Rf7 50.Rd2 fg3 51.fg3 Rhf5 (51...Bg7 52.Nd6 Bc3 53.Re2+/-) 52.g4 Rf4 53.Nd6 White plans b5 53...Rh7 54.Bg3 (54.Kg3!? Rb4 55.Rb4 Nb4+-) 54...Rg4 55.b5 Nf4 56.Bf4 Rf4 57.bc6 bc6 58.Rb8 Rf3 (better 58...Rc7!?+= is an interesting idea) 59.Rg2+- Rg7 60.Rc8 Rg2 61.Kg2 Rc3 62.Ne4 Rc2 63.Kf3 Kf7 64.Rc6 Be7 65.Kg4 (better 65.Ra6+-) 65...Rg2? (better 65...Ke8+-) 66.Kf5 Rh2 (66...Ra2+-) 67.Rc7 Kf8 68.Rc8 Kf7 69.c6 Rh3 (69...Rh1 a fruitless try to alter the course of the game 70.Rc7 Rf1 71.Ke5+-) 70.c7 Rh5 71.Kf4 Rh4 72.Ke3 Rh2 (72...Rh3 does not win a prize 73.Kd4 Rh6 74.Rf8 Kf8 75.c8Q Kf7 76.Qf5 Ke8 77.Ng5 Bg5 78.Qg5 Rd6 79.Ke5+-) 73.Ra8 (better 73.Rf8! and White has it in the bag 73...Bf8 74.c8Q Rh6 75.Qf5 Ke8+-) 73...Rc2 74.c8Q Rc8 75.Rc8 Ke6 76.Kd4 Ba3 77.Rc6 Kd7 (77...Kf5+- is the last straw) 78.Kd5 Bb4 (78...Be7 doesn't get the cat off the tree 79.Nc5 Ke8 80.Ke6 Kf8 81.Nd7 Ke8 82.Rc8 Bd8 83.Nf6 Kf8 84.Nh5 Kg8 85.Rd8 Kh7 86.Kf5 Kh6 87.Rh8) 79.Rb6 Ba3 (79...Be7 is not the saving move 80.Rb7 Ke8 81.Ke6 Kd8 82.Re7 Kc8 83.Kd6 Kb8 84.Kc6 Ka8 85.Kb6 Kb8 86.Re8) 80.Rb7 Ke8 81.Ke6 Kd8 (81...Kf8 does not help much 82.Ra7 Be7 83.Re7 Kg8 84.Nf6 Kf8 85.Rf7) 82.Nd6 (82.Nd6 Bd6 83.Kd6 Ke8 84.Rc7 Kf8 85.Ke6 Kg8 86.Kf6 Kh8 87.Kg6 Kg8 88.Rc8) 1-0. Nezad,H (2410) - Traore,Bakary (2165), 43rd Olympiad, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 c6 6.b4 0-0 7.Bb2 Nbd7 8.Be2)

10.Na5 Nbd5 11.a3 Ne4 12.Qc2 Nd6 13.Bd3 Bg4 14.Ne5 Be6 15.h4 Nf6 16.h5 (16.0-0 Bd5=) 16...Nh5 17.g4 Nf6 18.f3 Qc7 19.Qh2 Rfd8 20.Rc1 Nde8 (20...h6 21.Qg3=) 21.Rc2 (21.e4 Qb8+=) 21...Rac8 22.g5 Nh5 23.f4 Nd6 24.e4 f6 25.gf6 ef6 26.Ng6 hg6 27.f5 Nf5 28.ef5 Qh2 29.Rhh2 Nf4 30.Be4 (30.fe6!? Nd3 31.Kf1–/+) 30...gf5–+ 31.Bf3 Nd3 32.Kf1 Nb2 33.Rb2 Rd4 34.Nb7 Bc4 (better is 34...Rd3!? 35.Bg2 Ra3–+) 35.Kf2–/+ Bf8 36.Kg1 (36.Rc2 Bd5–/+) 36...Rc7 37.Rbg2 Bg7 38.Nc5 Re7 39.Rh5 (39.Bc6 Rd1 40.Kf2 Rf1 41.Kg3 Re3 42.Bf3 Rff3 43.Kh4 Rf4 44.Kh5 Bf7 45.Rg6 Kh7 46.Rhg2 Rh3) 39...Bd5 40.Rf5 Bf3 41.Rf3 Kf7 42.Nd3 Bh6 43.Kf2 Rde4 44.Kf1 Re3 45.Rgf2 Rf3 46.Rf3 Re3 47.Kf2 Rf3 48.Kf3 Ke6 49.Ke4 f5 50.Kd4 Kd6 51.a4 Bg7 52.Kc4 Be5 53.b5 cb5 54.ab5 Bh2 55.Nb4 Bg1 56.Nd5 Ke5–+ 57.Nc3 f4 58.Kd3? f3 59.Ne4 Kf4 60.Nd2 Bb6 61.Nf1 f2 62.Nd2?? Ba5 63.Nc4 f1Q (63...f1Q 64.Kd4 Qg1 65.Kd5 Qg8 66.Kd4 Qd8 67.Kc5 Qc8 68.Kd6 Bb4 69.Kd5 Qc5 70.Ke6 Qf5) 0–1. Maksimovic,S (2220) – Dragomirescu,An (2235), Vratsa BUL, Open Women Ch, 2013. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2 dc4 9.Nc4 Nb6)

10.Na5 Nfd7 11.0-0 Qc7 12.Rc1 Qd6 13.Qb3 e5 (better is 13...Nd5!? 14.b5 cb5 15.Bb5 Qe6+=) 14.b5+/– ed4 15.bc6 bc6 16.Ba3 c5 17.ed4 Bd4 18.Nd4 Qd4 19.Bf3 Ba6 20.Rfd1 (20.Ba8?! Bf1 21.Bc6 Be2=) 20...Qe5 21.Ba8 Ra8 22.Bb2 c4? (22...Qe6 23.Qe6 fe6 24.Rd6+–) 23.Qa3 (23.Nc4 Bc4 24.Rc4 Qe2+–) 23...Qg5 (23...Qc5!? 24.Qc3 f6 25.Qe1+/–) 24.Nc6+– f6?? (better is 24...Bb7 25.Ne7 Kf8 26.Nd5 Kg8+–) 25.Qa6 1–0. Dive,Russell John (2335) – Boyd,Kendall (2135), NZL–ch106 Dunedin, 1998. (=1.d4 g6 2.Nf3 Bg7 3.b4 d5 4.Bb2 Nf6 5.Nbd2 0-0 6.e3 Nbd7 7.c4 c6 8.Be2 dc4 9.Nc4 Nb6)

10.Na5 Nfd7 11.0-0= e5 12.b5 cb5 13.Bb5 (13.de5? Na4 14.Nc4 Ndc5–+) 13...a6 14.Be2 Nd5 15.Nc4 ed4 16.Bd4 Nc3 17.Bc3 Bc3 18.Rc1 Bg7 19.Qb3 b5 20.Nd6 Nb6 21.Nc8 (21.Rfd1!? Qe7 22.e4+=) 21...Rc8= 22.Rc8 Qc8 23.g3 ½–½. Kovacevic,Blazimir (2445) – Burlacu,Bogdan (2275), 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.c4 c6 5.e3 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2 dc4 9.Nc4 Nb6)

10.Na5 Ne4 11.0-0 Rb8 12.Qc2 Nd6 13.e4 Bg4 14.Rfd1 Qe8 15.h3 Bf3 16.Bf3 e5 17.de5 Be5 18.Be5 Qe5 19.Qc5 Qc5 20.bc5 Ndc4 21.Nb3 Na4 22.Rd4 Ncb2 23.e5 Rfe8 24.Rb4 Re5 25.Rb1 a5 26.Na5+/– Rc5 27.Nc6!+– Re8 28.Rb7 Nd3 29.Rd7 Nc3 30.Rbb7 Ne1 31.Ne7 Kg7 32.Bd5 Nc2 33.Bb3 Nd4 34.Nd5 Nb3 35.Rf7 Kh6 36.Rh7 Kg5 37.f4 Kf5 38.Rhf7 Ke6 39.Nf6 (39.Nf6 Na5 40.Ne8 Ne2 41.Kf2 Nb7 42.Rb7 Nf4 43.Kf3+–) 1–0. Meduna,E (2480) – Von Buelow,G (2330), KB Czech Open, Pardubice CZE, 2000.

10.Na5 Ne4 11.0-0 Nd6 12.Rc1 Be6 13.a3 Rb8 14.Qc2 Bd5 15.Nd2 f5 16.Bd3 Bf7 17.Rfe1 Nd5 18.Rcd1 Qc7 19.Nf3 Bf6 20.Ne5 Be6 21.Nb3 Nf7 22.Nc5 Bc8 23.e4 fe4 24.Be4 e6 25.g3 Nd6 26.Bg2 Bg7 27.Nc4 Nc4 28.Qc4 Qf7 29.Rd2 b6 30.Ne4 Bd7 31.Bh3 h6 32.Rde2 Kh7 33.f4 Nc7 34.a4 a6 35.Nd2 b5 36.ab5 Rb5 37.Ne4 Qe7 38.Nc5 Rfb8 39.Bc3 Nd5 40.Ne6 Nc3= 41.Qc3 Be6 42.Re6 Qb4 ½–½. Kolarov,Atanas S – Radovici,Corvin, Asztalos Memorial 5th, 1962. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.Nbd2 Nbd7 8.Be2)

10.h3 Ne4 11.0-0 Nd5 12.Qc2 Nd6 13.a3 Bf5 14.Qb3 Nc4 15.Bc4 Nb6 16.Be2 Qd5 17.Qd1 Rfd8 18.Bc3 Nc4 19.Qc1 Nd6 20.Rd1 Be4 21.a4 Bh6 22.Be1 Qe6 23.Ne5 Bd5 24.Qb1 f6 25.Bg4 f5 26.Bf3 Bf3 27.Nf3 Qd5 28.Rc1 Ne4 29.Qa2 f4 30.Qd5 Rd5 31.Ra3 Rad8 32.Kf1 fe3 33.fe3 Bg7 34.Rc4 Nd6 35.Rc5 Ne4 36.Rc4 Nd6 ½–½. Pecorelli Garcia – Zapata, Santa Clara 1996.

10.a3 N5b6 11.Na5 c5 12.0-0 cb4 13.ab4 a6 14.b5 ab5 15.Bb5 Nf6 16.Qe2 Nbd5 17.Nc4 Ra1 18.Ra1 Nc7 19.Nce5 Nb5 20.Qb5 Qd5 21.Qb4 e6 22.Nd2 Qd8 23.Ndc4 Nd5 24.Qb3 Qc7 25.Ba3 Rd8 26.Rc1 Bf8 27.Nd6 Qc1 28.Bc1 Bd6 29.e4 Nf6?? 30.Qb6+– Be7 31.Ba3!! (31.Ba3 Nd7 32.Nd7 (32.Be7?! Nb6 33.Bd8 Na4+=) 32...Bd7 33.Be7+–) 1–0. Voiska,M (2310) – Dragomirescu,An (2190), Open Women ch–BUL, 2011. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2)

10.a3 N5b6 11.Nfd2 Nc4 12.Nc4 Nb6 13.0-0 Nc4 14.Bc4 Qd6 15.Qb3 Be6 16.Be6 Qe6 17.Qe6 fe6 18.f4 h6 19.a4 Rac8 20.Rfc1 g5 21.g3 gf4 22.gf4 Rf5 23.Rc5 Rc5 24.bc5 b6 25.Ba3 Kf7 26.Rb1 Rb8 27.cb6 Rb6 28.Rb4 Bf6 29.Kf1 Ke8 30.Ke2 Kd7 31.Kf3 h5 32.Kg3 Kc7 33.a5 Rb7 34.Rb7 Kb7 35.Bc5 Ka6 36.e4 Bg7 37.e5 Ka5 38.Ba7 Kb5 39.Kf3 Ka6 40.Bc5 Bf8 41.Kg3 Kb5 42.Kh4 Bh6 43.Kh5 Bf4 44.h4 1–0. Song,Ju (2335) – Kambrath,Y (2130), Caen FRA, Ch, 2011. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Nbd7 8.Be2)

10.a3 N7f6 11.0-0 Be6 12.Rc1 Ne4 13.Nfe5 Nd6 14.Na5 Rc8 15.Bf3 Qb6 16.Qc2 f6 17.Nd3 Bf7 18.Nc5 e5 (better is 18...Rfd8!?+/–) 19.Nd7+– Qd8 20.Nf8 Qf8 21.de5 fe5 22.Rfd1 Re8 23.e4 Nf4 (23...Nb6 24.Rd6! Qd6 25.Nb7+–) 24.Qc5 Nb5 25.Qf8 Kf8 26.Nb7 Bb3 (26...Nd4 27.Bd4 ed4 28.Rc6+–) 27.Rd7 Nd4 28.Bd4 ed4 29.Nc5 (29.Nc5 Be6 30.Ne6 Ne6 31.Rc6+–; 29.Rc6?! Ba4 30.Rg7 Bc6 31.Rh7 Re7 32.Re7 Ke7+–) 1–0. Ruiz Sanchez,O (2380) – Espinosa Garcia,S (2130), 45th Capablanca Mem Open, Havana CUB, 2010. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 Nbd7 6.c4 c6 7.Bb2 0-0 8.Be2)

10.a3 N7f6 11.0-0 Bf5 12.Re1 Qb8 13.Bd3 Be4 14.Nfe5 Qc8 15.Bf1 Bf5 16.f3 Be6 17.Nd3 Nb6 18.Na5 Nc4 19.Nc4 Bc4 20.Rc1 Bd3 21.Bd3 Qd7 22.Qe2 a6 23.Rcd1 Nd5 24.Kh1 Rad8 25.Bc4 e6 26.e4 Nb6 27.Bb3 Rfe8 28.g4 Qe7 29.Qf2 Bf6 30.Re2 Bh4 31.Qe3 Qg5 32.Bc1 Qb5 33.Rc2 Bf6 34.Kg2 Nd7 35.e5 Be7 36.f4 Nb6 37.f5 Nd5 38.Qf3 gf5 39.gf5 Kh8 40.f6 Rg8 41.Kh1 Bb4? 42.ab4+– Qb4 43.Rc4 Qf8 44.Bc2 (44.Bc2 Rg6 45.Bg6 fg6 46.f7+–) 1–0. Pupols,Viktors – Hoyos Millan,Luis Bernardo (2160), Chicago int op, 1993. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Nbd7 7.Nbd2 c6 8.Be2)

10.a3 N7b6 11.Na5 Rb8 12.Ne5 Nd7 (12...Bf5 13.Bf3 Nf6 14.0-0=) 13.Nd3 (13.Nac6 bc6 14.Nc6 Qb6 15.Nb8 Qb8+=) 13...Qc7 (13...N7f6 14.0-0=) 14.Rc1 e5 (14...N7f6!?=) 15.Bf3+/– N5b6 (15...e4 16.Be4 N7f6 17.Bf3+/–) 16.d5+– e4 17.Bg7 (17.Be4?! Bb2 18.Nb2 Qe5+=) 17...Kg7 (17...ef3 18.Bf8 fg2 19.Rg1 Qh2 20.Kd2 Kf8 21.dc6+–) 18.Be4 Nf6 19.dc6 bc6 (19...Ne4 20.cb7 Qd7 21.bc8B (worse is 21.Rc8 Nc8 22.bc8B Rfc8+=) 21...Rfc8 22.0-0+–) 20.Bc6 Rd8 (20...Qe7 21.Bf3 Bd7 22.Nc5+–) 21.Bf3 Qd6 22.Nc6 1–0. Vovk,Yuri (2625) – Merkesvik,Sondre (2190), TV, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Nbd7 8.Be2 dc4 9.Nc4 Nd5)

10.Qb3 N5b6 11.Na5 Nd5 12.0-0 N7f6 13.Rfd1 Ne4 14.a3 Rb8 15.Rac1 h6 (15...Bf5 16.Bd3+=) 16.Ne5 Be6 17.Qc2 Nd6 18.Bf3 Rc8 (18...Qb6 19.e4 Nf4 20.Qd2+/–) 19.Nb3+/– Nb6 (19...Rb8!?+/–) 20.Nc5+– Bf5 (20...Bd7+–) 21.e4 Bd7 (21...Ne4 22.Be4 Be4 23.Qe4+–) 22.a4 (better is 22.Ned7 Nd7 23.e5+–) 22...Be8 23.Qb3 e6 24.a5 Nd7 25.Ned7 (25.Ncd7?! Bd7 26.a6 b6+/–) 25...Bd7 26.e5 Nf5 27.Nb7 Qg5 28.Nc5 Rfd8 29.Ne4 Qe7 30.Ba3 Be8 31.Qc4 Qb7 32.g4 Nh4 33.Bh1 Qb5 (33...Bf8 34.Nf6 Kg7 35.Qc3+–) 34.Nd6 Qc4 35.Rc4 (35.Nc4?! Bf8+–) 35...Rc7 (35...Rd6 36.ed6 Rd8 37.Bc6 Bc6 38.Rc6 Nf3 39.Kg2 Nd4 40.Ra6+–) 36.b5! 1–0. Koellner,Christof (2115) – Guth,Wolf_Dietrich (1940), 19th Rhein–Main–Open, 2016. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Nbd7 8.Be2 dc4 9.Nc4 Nd5)

10.Qb3 N7b6 11.0-0 Bf5 12.Rfc1 Nc4 13.Bc4.

10.Qb3 N7b6 11.Na5 Rb8 12.a3 Bf5 13.0-0 Qd6 14.Rfe1 Rfd8 15.Bf1 Nf6 16.Ne5 Be6 17.Qc2 Ng4 18.f4 Ne5 19.fe5 Qd7 20.h3 (20.Kh1 Kh8=) 20...f6 21.ef6 Bf6 (21...ef6 22.Rac1=) 22.Bd3= Qd5 (22...Bg7 23.h4=) 23.Be4 (23.Rf1 Kh8=) 23...Qg5= 24.Kh2 (24.Kh1 Bf7=) 24...Nd5 (24...Bg7 25.Kh1=) 25.Qe2 Rf8 26.Nc4? (26.Bd5 cd5 27.Rac1 Qh4=) 26...Rf7 (better is 26...Ne3!? 27.Qe3 Bc4–/+) 27.Bf3 Rbf8 28.Nd2 (28.Rf1!?=) 28...Qh4 29.Rf1 Bg5 30.Bd5 Bd5 31.Rf7 Rf7 32.Rf1 Rf1 33.Nf1 Qe4 34.Bc1 e5 (34...Bh4!?+=) 35.Ng3= Qh4 36.de5+= Bh6 37.Bb2 Bg7 38.Qf2 Qc4? 39.Bd4 a5 40.Qf4 ab4? 41.e6+– Bd4 42.Qf7 (42.Qf7 Kh8 43.Qf8) 1–0. Schmidt,Bodo (2350) – Rothe,Guido (2210), Dresden ZMD op, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 c6 7.Nbd2 Nbd7 8.Be2 dc4)

10.Qb3 N7b6 11.Na5 Rb8 12.a3 Kh8 13.0-0 f6 (13...Bf5 14.Ne5+=) 14.Rfd1 Be6 15.Qc2 Bh6 ½–½. Molnar,Peter (2365) – Zambor,Norbert (2330), Slovak, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 Nbd7 7.Bb2 c6 8.Be2 dc4 9.Nc4 Nd5)

10.Qb3 N7b6 11.Na5 Rb8 12.h3 Be6 13.a3 Qd7=.

9.0-0 f5 10.b5 e6 11.bc6 bc6 12.Qa4 Nb6 13.Qa5 Nd2 (13...Nc4!? 14.Nc4 dc4 15.Qd8 Rd8 16.Bc4 Rb8+=) 14.Nd2+= (worse 14.Qd2 Nc4 15.Bc4 dc4=+) 14...c5 15.Qc5 Na4 16.Qa3 Nb2 17.Qb2 f4 18.cd5 (18.Rab1!?+/-) 18...ed5+= 19.Qb3 fe3 20.fe3 (worse 20.Qe3 Re8 21.Qf3 Bd4=+) 20...Re8 21.Nf3 (21.Rae1 Be6+=) 21...Bf5= 22.Rfe1 (22.Ne5!? Rb8 23.Qc3=) 22...Rb8=+ 23.Qa3 a5 24.Qc1 Rc8 25.Qd2? (better 25.Qa3=+) 25...Rc2-+ 26.Qd1 Re3 27.Bf1 Re1 28.Qe1 Be4 29.Ne5?? (better 29.Qe3-+) 29...Qb6 30.Rd1 (30.Nf3 Bf3 31.Rc1 Qd4 32.Kh1 Qe4 33.Qe4 Be4 (worse 33...de4 34.Rc2 Bg4 35.Bc4 Kf8 36.h3+/-) 34.Rc2 Bc2-+) 30...Be5 31.Kh1 (31.Qe3 Qb2 32.Qg5 Bd4 33.Kh1 Rf2-+) 31...Bd4 32.Qh4 Bf6 33.Qf4 Kg7 34.Re1 (34.a3 Qb2 35.Qg3 a4-+) 34...Qf2 35.Qf2 Rf2 36.a4 Bf5 (36...Ra2 37.Rd1-+) 37.h3 (37.Rc1 Bg5 38.Re1 d4-+) 37...d4 38.Kg1 Ra2 39.Bb5 (39.g4 Bc2 40.Re6 Bg5-+) 39...d3 40.Rd1 d2 41.Kf2 (41.Bc4 Ra4 42.Be2 Bc3-+) 41...Bc3 42.g4 (42.Be2 Bc2 43.Rf1 Bd4 44.Kg3 Be5 45.Kf2 Ra3-+) 42…Bc2 (42...Bc2 43.Be2 Ra4 44.Rd2 Bd2-+) 0-1. Arat,Uf (2365) - Tuncer,Tuna (2370), Galatasaray Blitz, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.c4 c6 8.Be2)

9.0-0 f5 10.Qc2 e6 11.a4 g5 12.b5 g4 13.Ne5 Rf6? (better is 13...Ne5!? 14.Ne4 Nc4 (worse is 14...fe4 15.de5 Qg5 16.cd5 cd5 17.Rac1+=) 15.Bc4 fe4+= (worse is 15...de4 16.bc6 bc6 17.Ba3+=)) 14.Ne4 de4 15.bc6 bc6 (better is 15...Ne5 16.de5 Rh6 17.cb7 Bb7+=) 16.g3?? (better is 16.Nc6!? Qc7 17.Ne7 Kh8 18.Rab1+–) 16...Qc7 (16...Ne5 17.de5 Rf7 18.Rfd1=) 17.c5 h5 18.Bc3 Rh6 19.Qd2 Ne5= 20.de5 Bf8 21.Rfd1 Qh7 22.h4 gh3+= 23.Kh2 Be7 24.Ba5 Rg6 25.Bd8= Bc5 26.Rac1+= Bf8 27.Rc6 Rg7 28.Bc4+/– Qg6 29.Bf6 h4 30.Bg7+– (30.Bg7 Bg7 31.Qd8 Kh7 32.Qh4 Qh6 33.Kh3 Qh4 34.gh4+–) 1–0. Jaracz,P (2545) – Voekler,B (2390), Bundesliga, 2010. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Nbd7 7.c4 c6 8.Be2)

9.0-0 Ndf6 10.a4 Be6 11.Rc1 Rc8 12.Nb3 (12.Ne5 Qb6=) 12...dc4 13.Bc4 Bc4 14.Rc4 Qd5 15.Rc1 Rfd8 (15...Qe6 16.Nfd2=) 16.Qc2 (16.Ne5 Nd7 17.Nd7 Qd7=) 16...h5 (16...Qd6 17.Ba3=) 17.Ne5+= Bh6 18.h3 Ne8 (18...Nd7 19.Rfd1+=) 19.Rcd1 (19.Rfe1 Bg7+/-) 19...Ng7 (19...N8d6!?+=) 20.Nc5+/- Nc5 21.bc5 (21.Qc5?! Qc5 22.bc5 Ne6=) 21...Qe6 22.e4 Bf4 23.Nd3 Qe4 24.Rfe1 Qf5 25.Re7 Bc7 26.Qb3 b6 (26...Re8 27.Ree1 Rb8 28.Qc3=) 27.Rde1 (27.Nb4 bc5 28.Nc6 Bg3 29.Qg3 Rc6+-) 27...Ne6? (better 27...Re8!? 28.cb6 ab6 29.Re8 Re8 30.Re8 Ne8+/-) 28.Ne5+- Be5 29.Re5 (worse 29.de5 Rd2 30.Rf1 Nc5-/+) 29...Qf6?? (better 29...Qb1 30.Kh2 Rd5 (30...Rd4 31.R5e6 Qf5 32.Bd4 fe6 33.Re6 Qf4 34.Kg1+-) 31.Rd5 cd5 32.Qd5 Rf8 33.cb6 ab6+-) 30.R7e6 (30.R5e6!? fe6 31.Re6 Qf7 32.Rg6 Kf8+-) 30...fe6 31.Re6 Qf7 32.Rg6 Kf8 33.Qg3 Rd5 (33...Rc7 34.Qh4 Rd5 35.Rf6 bc5 36.Rf7 Rf7 37.Ba3+-) 34.Bc1 Re8 (34...bc5 35.dc5 Rc7 36.Bh6 Ke8 37.Rg8 Kd7+-) 35.Bh6 Ke7 36.Rg7 Qg7 37.Qg7 Kd8 (37...Ke6 38.Bg5 Rg5 39.Qg5+-) 38.Qa7 bc5 39.Qb8 Ke7 40.Qc7 (40.Qc7 Kf6 41.Qc6 Re6 42.Qd5 Re1 43.Kh2 cd4 44.Qd4 Ke6 45.Qc4 Kd7 46.Qb5 Ke7 47.Qb4 Ke6 48.Qe1 Kd5 49.Qd1 Ke6 50.Bf4 Kf6 51.Qd6 Kf7 52.Be5 Ke8 53.Qe6 Kd8 54.a5 h4 55.Qf7 Kc8 56.Qc7) 1-0. Bacrot,E (2680) - Agrest,I (2275), PRO League Group Stage, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 c6 6.Bb2 0-0 7.c4 Nbd7 8.Be2)

9.0-0 Ndf6 10.Qb3 h6 11.Ne4 Ne4 12.cd5 Qd5 (12...cd5 13.Rfc1=) 13.Qd5+= cd5 14.Rfc1 Be6 15.Rc2 Rac8 16.Rac1 f5 (16...Rc2!? 17.Rc2 Rc8 18.Rc8 Bc8=) 17.Ne5+= Kh7 18.b5 (18.Rc7 Rc7 19.Rc7 Rc8 20.Rc8 Bc8+=) 18...Rc2+= 19.Rc2 Rc8 20.Rc8 Bc8 21.f3 Nd6 22.Ba3 Be6 23.Bc5 b6 (better is 23...Nc4!?+=) 24.Bd6+– ed6 25.Nc6 f4 26.Kf2 Bc8 27.ef4 Bb7 (27...Bd7 28.Ke3+–) 28.Ke3 Kg8 (28...a5 29.f5!+–) 29.Bd3 Kf7 30.Nd8 (30.Nd8 Ke7 31.Nb7+–) 1–0. Speedy – wernt, internet, 2017.

9.0-0 h5 10.a4 (10.cd5 Nd2 11.Qd2 cd5+=) 10...Nd2 11.Qd2 Nb6 (11...Nf6 12.Ne5=) 12.cd5+= cd5 13.Ne5 Be6 14.a5 Be5 15.de5 Nc4 16.Bc4 (16.Qd4 Nb2 17.Qb2 Rc8+=) 16...dc4= 17.Bd4 Bf5 18.f4 (18.f3!? Bd3 19.Rf2=) 18...Qd5+= 19.Qf2 Rfd8 20.Qh4 Rd7 21.h3 Bd3 (21...Qe6 22.Rfd1+=) 22.Rf2+= Qe4 23.Qg5 Rd4 (23...e6 24.Qg3+=) 24.ed4 Qd4 25.Re1 e6 26.Qe7 Rd8 27.Rc1 (27.Qc5 Qc5 28.bc5 Rd5=) 27...Kg7 (27...b5 28.Qc5+=) 28.Qf6= Kg8 29.Qe7 Kg7 (29...b5 30.Qc5+=) 30.f5 gf5 31.Qf6 (worse is 31.Qb7 Qe3 32.Ra1 Qe5–+) 31...Kf8 32.Qh6 Ke8 33.Qh8 Ke7 34.Qf6 Ke8 35.Qh8 ½–½. Guramishvili,Sopiko (2340) – Drljevic,Ljilja (2270), 11th WUCC Fem, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 c6 7.Nbd2 Nbd7)

9.Qb3 Ndf6 10.h3 Be6 11.0-0 a5 12.Ba3 Re8 13.Rfc1 dc4 14.Bc4 Bd5 (14...Nd2!? 15.Nd2 Bc4 16.Nc4 ab4 17.Bb4 Nd5=) 15.Ne4= Ne4 16.b5 a4 17.Qc2 e6 (17...Rc8 18.bc6 Bc6 19.Ne5 Be5 20.de5+=) 18.bc6 bc6 (18...Bc6 19.Bb4=) 19.Rab1+= Nd6 (19...Qd7 20.Bd3 f5 21.Rb6+=) 20.Bd6 Qd6 21.e4 Bc4 22.Qc4 Red8 23.Rb6 (23.e5 Qd5 24.Rb6+/– (worse is 24.Qc6 Qa2 25.Rb5 Bh6+=)) 23...Bd4+= 24.Rc6 (worse is 24.Qd4 Qd4 25.Nd4 Rd4 26.Rbc6 Re4+=) 24...Qd7 25.Rc7 Qd6 26.Rc6 Qd7 27.Rc7 Qd6 28.Rc6 ½–½. Ardelean,George_Catalin – Fierro Baquero,Martha L, Benasque Open, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 Nbd7 7.Be2 c6 8.Bb2 Ne4)

9.Qc2 Nd2 10.Qd2 dc4 11.Bc4 Nb6 12.Bb3 Bf5 13.0-0 Be4 14.Qe2 Bd5 15.Bc2 Bc4 16.Bd3 Bd3 17.Qd3 Qd5 18.Rfd1 Rfd8 19.Qc2 Qc4 20.Qc4 Nc4 21.Bc3 Rd5 22.Kf1 e6 23.Rab1 Bf8 24.Nd2 Nb6 25.Nb3 Rb5 26.a3 Nc4 27.a4 Rd5 28.Nd2 Nb6 29.Ra1 a6 30.Ke2 Rad8 31.Rdb1 R5d7 32.Ne4 Nd5 33.Be1 Rc7 34.Ra2 f5 35.Nc5 Re8 36.Nd3 Bd6 37.g3 Rec8 38.Rc2 Nb6 39.Ra2 Kf7 40.b5 cb5 41.ab5 ab5 42.Rb5 Nd5 43.Rab2 Rc2 44.Kd1 Rb2 45.Rb2 b6 46.Bd2 Rc4 47.Ke2 Ke7 48.f3 Bc7 49.Ne1 Kd7 50.Kd3 Ra4 51.Nc2 Kc6 52.Bc3 Nc3 53.Kc3 b5 54.Kb3 Be5?? 55.Na3 Rb4?? 56.Kc2 Rb2+= 57.Kb2 Bc7 58.Kc3 g5 59.Nc2 h5 60.e4 fe4 61.fe4 g4 62.Ne3 Bb6 63.Kd3 e5 64.d5 Kc5 65.Nf5 Bd8 66.Ng7 Kb4 67.Kc2 Ka3 68.Kb1 Kb3 69.d6 Kc3 70.Ne6 Bb6 71.d7 Kd3 72.d8Q Bd8 73.Nd8 Ke4 74.Nc6 Kd5 75.Nb4 Kc4 76.Na2 Kd3 77.Kc1 Ke3 78.Nc3 Kf3 79.Nb5 Kg2 80.Nd6 Kh2 ½–½. Mielczarski,Miroslaw (2245) – Kurlenda,Adam (2275), Slupsk, 1989. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.d4 Nbd7 7.Nbd2 c6 8.Be2)

9.cd5 Nd2 10.Nd2 cd5 11.Qb3 Nf6 12.0-0 h5 (12...Qd6 13.Rac1=) 13.Rac1 Bg4 14.Bd3 h4 15.b5 h3 16.g3 Qd7 17.Ba3 Nh7 (17...Rfc8 18.Bb4=) 18.Rc5 e6 19.Rfc1 Rfc8 20.Qc2 e5 21.Rc8 Rc8 22.Qc8 Qc8 23.Rc8 Bc8 24.de5 Be5 25.Nf3 Bc7 26.Bc5 Bg4 27.Nd4 Bb8 28.f3 Bc8 29.a4 Nf6 30.a5 White plans b6 (30.Bf1 Kg7+/–) 30...Nd7+= 31.Be7 (31.Bb4 Ne5 32.Bf1 Nc4+=) 31...Ne5= 32.Be2 Nc4 33.Bc4 (33.e4 Be5 34.Bc5 Na5 35.Ba7 de4 36.fe4 Bc7+=) 33...dc4 34.b6 (34.Kf2 Be5=) 34...a6 (34...ab6!? 35.ab6 Be5+=) 35.f4 Kg7 36.Kf2 f6 37.Kf3 Kf7 38.Bb4 Be6 (38...f5 39.e4 fe4 40.Ke4+=) 39.g4 (39.Ne6 Ke6 40.Ke4 Bd6 41.Bd6 Kd6+–) 39...g5 40.Ke4?? (better is 40.Ne6 Ke6 41.Ke4+/–) 40...Bg4–/+ 41.Nf5 Ke6 42.Nd4 Kd7 43.Bd2 Be6 44.Bc3 g4 45.Be1 Bf7 (better is 45...Bd6 46.Ne2 f5 47.Kd4 Kc6–/+) 46.Bh4?? (better is 46.Kf5+=) 46...Bg6–+ 47.f5?! (47.Kd5 c3 48.Ne2–+) 47...Bf7 48.Bf6 (48.Ne2 Bh2 49.Ng3–+) 48...Bh2 49.Ne2 Bd6 50.Be5 Be5 51.Ke5 h2 52.Ng3 c3 53.Kf6 Bd5 (53...Bd5 54.e4 c2–+) 0–1. Ayala Sanchez,Abnel (1990) – Diaz Montes,Edwin (1970), Championship de Puerto Rico, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Nbd7 7.c4 c6 8.Be2 Ne4)

9.Ne4 de4 10.Nd2 f5 11.0-0 Nf6 12.a4 Be6 13.b5 Qc7 14.g3 Kh8 15.bc6 bc6 (worse is 15...Qc6 16.d5 Nd5 17.cd5 Bd5 18.Rc1+–) 16.Nb3 Nd7 17.Ba3 Nb6 18.Rc1 (18.Nd2 Rab8+=) 18...Rad8 (better is 18...Na4!? 19.f3 Bh6=) 19.a5+= Na8 20.Nc5 Bc8 21.Qa4 g5 22.Rfd1 Rd6 23.d5 Rh6 24.dc6 Rc6 25.Nb3 Rh6 26.Qb4 Bf6 27.Qc5 Rg6 28.Nd4 a6 29.Qd5 Bd4 30.Qd4 (30.Qa8?! A) 30...Qa5?? 31.Be7 (31.Rd4?! Qa3 32.Rcd1 Qc5=) 31...Re8 32.Rd4+– (32.ed4?! Bd7 33.Qa7 Re7+–); B) 30...Be5+=) 30...Kg8 31.Bb2 Rgf6 32.c5 h5 (32...Qa5 33.Qe5 Qc7 34.Bc4 e6 35.Qc7 Nc7 36.Bf6 Rf6 37.Rd6+–) 33.Qd5 Be6 34.Qd2 Rh6 35.c6 Bc8 36.Qd4 Rh7 (36...e6 37.Qc3 Rf7 38.Qc5+–) 37.Qc5 e6 38.Be5 Qf7 (38...Qa7 39.Qa7 Ra7 40.Bh5+–) 39.c7 1–0. Zhugda,Boris – Kevorkyan,Mikhail Raizovich, URS–chT10 corr9194, 1991. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.c4 c6 6.Bb2 0-0 7.Nbd2 Nbd7 8.Be2)

9.0-0 a5 10.b5 Ne4 11.Rb1 cb5 12.cd5 Nd2 13.Nd2 b4 14.Bb5 Rf8 15.e4 Qb6 16.Qa4 Qd8 17.Qb3 Nb6 18.Rbc1 Bh6 19.f4 Bg7 20.Rf2 Bd7 21.Bd7 Qd7 22.f5 Rac8 23.Rc5 Na4 (23...gf5 24.Rf5 Qa4 25.Rf2=) 24.Ra5+/- Nb2 25.Qb2 b3? (better 25...gf5!? 26.e5 Bh6+=) 26.Nb3+- gf5 27.Rf5 b6 28.Ra3 (28.Ra6 Qb5 29.Ra7 Qd3+-) 28...e6 29.de6 fe6 30.Rf8 Bf8 31.Ra6 Qb7 (31...Qb5!? 32.Ra7 Qd3+-) 32.Qe2 Bh6 33.Ra3 b5? (33...Qc7 34.g3 Qc2 35.Qc2 Rc2 36.Ra8 Kf7 37.Ra7 Kf6 38.Rh7 Be3 39.Kh1 Ra2+/-) 34.Nc5 Qf7 35.Qg4 Bg7 36.Rf3 Qg6 37.Qe6 Qe6 38.Ne6 Rc1 39.Rf1 Rc2 40.a3 h5 41.Rf3 Rc6 42.d5 Rc1 43.Kf2 Bb2 44.Rf8 (44.Kg3 Ra1 45.Kh4 Ba3 46.Kh5 Bb4+-) 44...Kh7 45.Rf5 Kg6 46.Nf4 Kh6 (46...Kg7 47.Nh5 Kh6 48.Nf4 Ba3 49.h4+-) 47.Rh5 Kg7 48.d6 Ba3 49.d7 Be7 50.Rb5 Rd1 (50...Rh1 51.Kg3+-) 51.Nd5 Kf7 52.Rb8 1-0. makgow (2050) - drengur1 (2290), gameknot.com, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Nbd7)

9.0-0 Nb6 10.c5 Nbd7 11.Qb3 h6 (11...b6 12.Rab1+=) 12.a4 Qc7 13.Rac1 e5 (13...Rb8 14.b5+/–) 14.Ne5+/– Ne5 15.de5 Re5 (15...Ne4 16.Nf3+/–) 16.Be5 Qe5 17.b5 Bf8 (17...Qe7 18.Qb4+/–) 18.Qc3 Qe7 19.Bd3 Nd7 (19...Bg7 20.Qb4+/–) 20.Nb3 Ne5 (20...a6 21.bc6 bc6 22.Rfe1+–) 21.Be2+– f5 (21...Nd7 22.Rfd1+–) 22.Nd4 Bd7 23.Rc2 Nf7 (23...Bg7 24.Rb1+–) 24.Rb1 Nd8 (24...Ng5 25.a5 Ne4 26.Qa3+–) 25.bc6 (25.a5 Bg7+–) 25...bc6 26.Qa5 (26.h3 Bg7+–) 26...Bg7 27.Nf3 (27.Qd2 f4+–) 27...g5 (27...f4 28.Qd2 fe3 29.fe3+/– (worse is 29.Qe3 Qe3 30.fe3 Bf5+=)) 28.Ba6 (28.Bd3 f4 29.ef4 gf4+–) 28...Be8 (28...Ne6 29.Rb7+–) 29.Rcc1 (29.Nd4 f4 30.Bd3 Bd7+–) 29...g4 (29...Ne6 30.Rb7 Qf6 31.Rb4+–) 30.Ne1 (30.Nd4!? Qf7+–) 30...Be5 31.Nd3 Bc7 32.Qd2 h5 (32...Ne6 33.Rb7+–) 33.Nf4 Kg7 (33...Qe5 34.Qc2+–) 34.Bd3 Qe5 35.g3 Kf6 (35...h4 36.Rf1+–) 36.Qb2 (better is 36.h4!? Ne6+–) 36...Qb2 37.Rb2 Bf7 38.Ba6 Be5 39.Rb4 Bc7 40.Rcb1 Kg5 41.h4 Kf6 42.Ne2 Be6 (42...Ne6 43.Bb7 Rd8 44.Bc6 Nc5 45.Rb5+–) 43.Nd4 Bd7?? (43...Bc8 44.Bc8 Rc8 45.Kf1+–) 44.R4b3 (better is 44.Rb7 Nb7 45.Rb7 (worse is 45.Bb7 Rb8+=) 45...Bg3 46.fg3+–) 44...Ke7 (44...Be5 45.a5+–) 45.Kg2 Kf6? (45...Be5 46.Bd3 Kf6 47.f4 gf3 48.Nf3+–) 46.Rf1 (better is 46.Rb7 Bc8 47.Rc7 Ba6 48.Nc6+–) 46...Be5 47.f3 (47.f4 Bc7+–) 47...Bd4? (47...Ne6 48.Rb7 Nc5 49.Rd7 Nd7 50.fg4 A) 50...hg4 51.Rf5 (51.Nf5?! Ke6+=; 51.Nc6?! Nc5 52.Bb5 Ne4=) 51...Ke7 52.Nc6 Kd6 53.Bb7+–; B) 50...Bd4 51.Rf5 Ke6 52.ed4 hg4+=) 48.ed4+– Ne6 49.Rb4 Bc8 50.Bc8 Rc8 (50...gf3 51.Rf3 Rc8 52.a5+–) 51.a5 (51.fg4 hg4 52.a5 Re8+–) 51...Nc7 (51...gf3 52.Rf3 Rg8 53.Rf2+–) 52.Re1 (52.f4 Re8 53.Kf2 Nb5+–) 52...Nb5? (better is 52...gf3 53.Kf3 Rg8+–) 53.f4 a6 54.Re3 Rb8 55.Kf2 Kf7 56.Ke1 Re8 57.Re8 Ke8 58.Kd2 Ke7 59.Kd3 Ke6 60.Rb1 Kf6 61.Rb2 Kf7 62.Re2 Nc7 63.Re5 Kf6 64.Kc3 Ne6 65.Re1 Nc7 66.Kd3 Kf7 67.Rb1 Nb5 68.Rb2 Kf6 ½–½. Akdogan,Alperen (1865) – Ibrahimli,Murad (2075), EU–ch U14, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Nbd7 8.Be2 Re8)

9.0-0 dc4 10.Nc4 Nb6 11.Nce5 h6 12.b5 cb5 13.Bb5 Nfd7 14.Qb3 Ne5 15.Ne5 Be6 16.Qa3 Rf8 17.Rac1 (17.Rfc1!?+=) 17...Qd5= 18.Be2 Qa2 19.Bf3 Qa3 20.Ba3 Be5 21.de5 Nd5 22.Rfd1 Rfd8 23.e4 Nb6 24.Be7 Rd1 25.Bd1 Nc4 26.Bb3 (26.Rb1 b6+=) 26...b5–/+ 27.f4 a5 28.f5 gf5 29.ef5 Bf5 30.Bc4 bc4 31.Rc4 a4 32.Ba3 Be6 33.Rc3 Rb8 34.Rg3 Kh7 35.h3 Rb5 36.Be7 Rb3 37.Rb3 ab3 (37...Bb3?! 38.g4=) 38.Ba3 Kg6 39.Kf2 Kf5 40.Bb2 h5 41.g4 hg4 42.hg4 Kg4 ½–½. Mohanty,Kiran Monisha (2315) – Cambere,Jean Marc (1785), Philadelphia op, 2008. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 Nbd7 7.Bb2 0-0)

9.0-0 Ne4 10.Rc1 e5 (10...Ndf6!?+=) 11.cd5+/- cd5 12.de5 Ne5 (12...Qe7 13.a3+/-) 13.Ne5 (13.Be5!? Nd2 14.Bg7 (14.Nd2?! Re5 15.Nf3 Re4+=; 14.Qd2?! Be5 15.Rc5 Bf6+/-) 14...Nf3 15.Bf3 Kg7 16.Bd5+-) 13...Be5+/- 14.Be5 Re5 15.Ne4 Re4 16.a3 Re7 17.Bf3 Be6 18.Qd4 Rd7 19.Rc3 Qf8 20.Rfc1 b6 21.Rd1 Qg7 22.Qd2 Rad8 23.Rd3 d4 24.Rd4 Rd4 25.ed4 Bb3 26.Re1 Qd4 27.Qg5 Be6 28.h4 Qd2 29.Re3 Qc1 30.Kh2 Qc7 31.Qg3 Qg3 32.Kg3 h5 33.Kf4 Kg7 34.Rc3 Rd4 35.Ke5 (35.Kg3 Kf6=) 35...Rh4=+ 36.Rc7 a5 37.Be4 Rg4 38.Rb7 ab4 39.ab4 Rg5 40.Kd4 b5 41.f4 Rg4 42.Ke3 (42.Rb5 Rf4 43.Ke5 Rg4=+) 42...Bc4-/+ 43.Bc6 Rg3 44.Kd4 Rb3 45.Kc5 The pressure on the isolated pawn grows 45...Rb2 46.Bb5 Bb5 47.Rb5 Rg2 48.Ra5 h4 49.b5 Rb2 50.Ra3 Kf6 51.b6 Kf5 52.Rh3 (52.Kc6!?-/+) 52...Kg4 (52...Kf4 53.Rh4 Ke5 54.Rb4 Rc2 55.Kb5+-) 53.Rh1 h3 54.Rg1?? (better 54.Kc6-/+) 54...Kf3 (worse 54...Kf4 55.Rf1 Kg3 56.Rf7-+) 55.f5 (55.Ra1 h2 56.Rf1 Kg2-+) 55...h2 (55...gf5?! 56.Rf1 Kg4 57.Rg1 Kf4 58.Rf1 Kg3 59.Rg1 Kf2 60.Rg8-+) 56.Rd1 gf5 57.Kc6 (57.b7 f4 58.Ra1 Rb7-+) 57...Kg2 58.b7 h1Q 59.Rd2 (59.Rh1 Kh1 60.Kd5-+) 59…Kg3 (59...Kg3 60.Kc5 Qc1 61.Kd6 Qd2 62.Ke7 Rb7 63.Kf6 Qd4 64.Kg5 Qh4 65.Kf5 Qf4) 0-1. Antonova,N (1910) - Frolova,Lada (1765), 16th Moscow Open Women, 2020. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.c4 c6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Nbd7 8.Be2)

9.a3 Ne4 10.Ne4 de4 11.Nd2 f5 12.Qc2 e5 13.Nb3 ed4 14.Bd4 Nf6 15.Qc3 Qe7 16.Nc5 Be6 17.Ne6 Qe6 18.c5 Qe7 19.h3 Nd5 20.Bc4 Bd4 21.Qd4 Rad8 22.0-0 Qg7 23.Qg7 Kg7 24.Rfd1 Nf6 25.a4 Kf8 26.b5 Ke7 27.Kf1 Rd1 28.Rd1 Rd8 29.Rc1 Nd5 30.Ke2 Kf6 31.Rc2 Ke5 32.Bd5 Rd5 33.Rc4 Rd3 34.f4 Kd5 35.bc6 bc6 36.Rb4 Kc5 37.Rb7 a5 38.Rh7 Rd6 39.Ra7 Kb4 40.g4 fg4 41.hg4 Ka4 42.Ra6 Kb5 43.Ra8 a4 44.Rb8 Kc4 45.f5 gf5 46.gf5 Rf6 47.Re8 Rf5 48.Re4 Kb3 49.Re8 a3 50.e4 Rh5 51.Kd3 a2 52.Rb8 Ka3 53.Ra8 Kb2 54.Rb8 Kc1 55.Ra8 Kb1 56.Rb8 Ka1 57.Kc2 Rc5 58.Kd2 Rb5 59.Rc8 Kb1 60.Rc6 Rb2 61.Kd1 a1Q 62.Rc1 Ka2 63.e5 Qc1 64.Kc1 Re2 0–1. Adamkosh (1925) – samjnr (1885), lichess.org, 2019.

9.Qb3 e6 10.0-0 dc4 11.Nc4 Nb6 12.Nfe5 Nc4 13.Nc4 Ne4 14.Rfd1 Qh4 15.g3 Qe7 16.Rac1 Bd7 17.f4 Red8 18.Na5 Be8 19.Bf3 Nd6 20.a4 Rab8 21.Bc3 Nf5 22.Be1 h5 23.Bf2 Kh7 24.Rc2 Bf8 25.Rb2 Qc7 26.e4 Ne7 27.Rc2 b6 28.Nc4 Rbc8 29.Ne5 Ng8 30.d5 c5 31.Rdc1 f6 32.Nd3 ed5 33.ed5 Qd7 34.bc5 Qa4 35.Qa4 Ba4 36.Ra2 Bb5 37.Ra7 Kh6 38.c6 Bd3 39.Rd1 Bf5 40.Bb6+/– Bd6 41.Kg2 Ra8+= 42.Rda1 Ra7 43.Ra7 Rb8 44.Bd4 Rb4 45.Ba1 Rc4 46.Ra2 g5 47.fg5 fg5 48.h3 g4–+ 49.hg4 hg4 50.Be2 Be4 51.Kf2 Rc1 52.Bd4 Bd5?? 53.Be3 Kg6= 54.Ra5 Rc6 55.Rd5 Nf6 56.Rg5 Kf7 57.Bd3 Rc3 58.Bg6 Ke7 59.Bf4 Bf4 60.gf4 Rf3 61.Kg2 Rf4 62.Bf5 ½–½. Van Gool,H (2150) – Niewenhuis,R (1940), Vlissingen NED, HZ Open, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 Nbd7 6.Bb2 c6 7.c4 0-0)

9.h3 dc4 10.Nc4 Nb6 11.Na5 Rb8 12.0-0 Nbd5 13.Qb3 Qd6 14.a3 b6 (14...Bf5!?=) 15.Nc4+/- Qd8 16.Nce5 Bb7 17.Ng5 Rf8 18.e4 Nf4 (18...c5 19.ed5 Qd5 20.Qd5 Bd5 21.Rfc1+-) 19.Bc4?? (better 19.Ngf7 Ne2 20.Kh1 Rf7 21.Qf7 Kh8 22.Qc4+-) 19...e6 20.g3 (20.Qf3 N6h5 21.Nef7 Qe7+/-) 20...b5+/- 21.gf4 bc4 22.Qc4 (22.Nc4?! h6 23.e5 hg5 24.ef6 Bf6 25.fg5 Bg5=) 22...Qd6 23.Nd3 (23.Rfe1!?+/-) 23...h6+= 24.e5 Qd5 25.Qd5 Nd5 (25...cd5? 26.ef6 Bf6 27.Nf3+-) 26.Ne4 Ba6 27.Nec5 Bd3 28.Nd3 a5 29.Rfc1 (29.ba5 Rb3 30.Rfd1 Ra8+=) 29...ab4+= 30.ab4 Rb6 (worse 30...Nb4 31.Nb4 Rb4 32.Ba3 Rd4 33.Bf8 Bf8 34.Ra8 (34.Rc6?! Bg7+/-) 34...Rf4 35.Rc6+-) 31.Bc3 Rd8 32.Bd2 Bf8 Increasing the pressure on the isolated pawn on b4 33.Rc4 Rdb8 34.Ra4 Rb5 35.Rc6 Bb4 36.Bb4 Nb4 37.Nb4 Rb4 38.Rb4 Rb4 39.Rd6 Kf8 40.Kg2 Ke7 41.Kg3 Rb3 42.f3 Rd3 43.Kf2 Rd2 44.Kg3 Rd1 45.h4 h5 46.f5 gf5 47.Kf2 f4 48.Ke2 Rh1 49.Kd3 (49.Ra6 Rh4 50.Kd3 Kf8=) 49...Rh4 (49...Re1!?-/+) 50.Ra6= Kf8 51.Ra1 Ke7 52.Ra7 Kf8 53.Ke4 Ke8 54.d5 ed5 55.Kd5 Rh1 56.Ke4 h4 57.Kf4 h3 58.Ra8 Ke7 59.Rh8 h2 60.Rh6 Kd7 61.Rd6 Ke7 62.Rd2 Ke6 63.Rd6 Ke7 64.Rd2 Ke6 65.Re2 f6 (65...Rb1!? 66.Rh2 Rb4 67.Kg5 Ke5 68.Re2 Kd6=) 66.ef6+= Kf6 67.Kg3 Rg1 68.Kh2 Rg7 69.Ra2 Kf5 70.Ra4 Rg8 71.Kh3 Rg7 72.Kh4 Rg8 73.Rg4 (better 73.Ra7!?+/-) 73...Rg4= 74.fg4 Kg6 75.g5 Kg7 76.Kh5 Kh7 77.g6 Kg8 ½-½. Koellner,Christof (2080) - Pelt,A (2025), 11th Rheinland-Pfalz Open, 2019. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.Bb2 Nbd7 7.c4 c6 8.Be2)

9.h3 Ne4 10.cd5 Nd2 11.Qd2 cd5 12.0-0 Nb6 13.a4 (13.Rac1 Qd6=) 13...Bf5 14.Rfc1 Rc8 15.Rc5 Qd6 16.a5 Nd7 17.Rcc1 Nf6 18.Ba3 Ne4 19.Qb2 Rc1 20.Rc1 Rc8 21.b5 Rc1 22.Qc1 Qd8 23.a6 Qd7? (better 23...ba6!? 24.ba6 Bf6=) 24.ab7 Qb7 25.Nd2 (25.Qc6 Qc8+/-) 25...Nd2 (better 25...e5!? 26.Ne4 de4+/-) 26.Qd2+- e5 27.Bc5 ed4 28.ed4 Bf8 29.Qb4 (29.Qa5 Bc5 30.dc5 Be6+-) 29...Bc5 30.dc5 (30.Qc5?! h5=) 30...Qb8 31.b6 ab6 32.cb6 Bc8 33.Qc5 Bb7 34.Bb5 (34.Bg4 h5 35.Bd7 Qa8+/-) 34...Qd8 35.Kf1 h5 36.Ke2 (36.Qc7 Qc7 37.bc7 Bc8+/-) 36...h4 37.Qc7 Qf6? (37...Qa8 38.f3 Qa2 39.Ke3 d4 40.Kd3 Qa3 41.Kd4 Qa1 42.Qc3 Qb1=) 38.Qb7+- Qb2 39.Ke3 Qb5 (39...Qe5 40.Kd2 Qb2 41.Kd3 Qb5 42.Kd4 Qc4 43.Ke5 Qe4 44.Kd6 Qf4 45.Kd5 Qf2 46.Qc8 Kg7+-) 40.Qc8 Kh7 41.b7 d4 42.Kd4 Qb4 43.Kd5 Qd2 44.Kc6 Qc3 45.Kd7 Qd4 46.Ke7 Qe5 47.Kf7 Qd5 48.Qe6 Qb7 49.Qe7 Qe7 50.Ke7 Kh6 51.Kf6 Kh5 52.f4 g5 53.f5 g4 54.Ke5 gh3 55.gh3 Kg5 56.f6 (56.f6 Kg6 57.Ke6 Kg5 58.f7 Kf4 59.f8Q Ke4 60.Qf6 Kd3 61.Qh4 Ke3 62.Qh5 Kf4 63.Qh6 Kf3 64.Qc1 Kg3 65.Qg5 Kf3 66.h4 Ke4 67.h5 Kd4 68.h6 Kd3 69.h7 Ke4 70.h8Q Kd3 71.Qh3 Kc4 72.Qd5 Kb4 73.Qhb3) 1-0. Stanec,N (2470) - Nagy,Ben (2380), TCh-AUT 2nd Ost, 2019. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 Nbd7 6.c4 c6 7.Bb2 0-0 8.Be2)

8.Be2 Nd7 9.0-0 Nd2 10.Qd2 dc4 11.Bc4 e5 12.Qc2 ed4 13.Nd4 Qe7 14.Qc3 Nf6 15.Rad1 Qc7 16.f3 a5 17.b5 c5 18.Nc2 Ne8 19.Qa3 b6 20.Rd3 Bb2 21.Qb2 Nd6 22.Qe5 Nb5 23.Qf6 Bd7 24.a4 Na7 25.e4 Nc6 26.Rd6 Rae8 27.Ne3 Ne5 28.Nd5 Qd8 29.Bb5 Re6 30.Re6 fe6 31.Ne7 1–0. Lutikov,AS – Roizman,A, Ch URS, 1964. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.Nbd2 Ne4)

8.Be2 Bg4 9.Ne4 de4 10.Nd2 Be2 11.Qe2 e5 12.de5 Qe7 13.c5 Be5 14.Be5 Qe5 15.0-0 Nd7 16.Nc4 Qe7 17.Nd6 a5 18.a3 b5 19.Qc2 f5 20.a4 ba4 21.Ra4 ab4 22.Qa2 b3 23.Qb3 Kg7 24.Ra8 Ra8 25.Qb7 Rd8 26.Rd1 Kf8 27.Qa6?? Ne5?? 28.Qa5 Nf7 29.h3 h5 30.Rd4 Nd6–/+ 31.cd6 Qf7?? 32.Qe5 Qg7+/– 33.Qc5 Qc7?? 34.h4 Rc8 1–0. Lenic,L (2575) – Elsness,F (2455), 17th TCh–Eur, Novi Sad SRB, 2009.

8.h3 Re8 9.Bd3 Nd2 10.Qd2 (worse is 10.Kd2 e5 11.Be2 dc4 12.Bc4 e4–/+) 10...Nd7 11.0-0 e5 12.de5 Ne5 13.Ne5 Be5 14.Rad1 dc4 15.Bc4 Qf6 16.Be5 Qe5 17.Qd4 Qg5 18.Kh2 Be6 19.Be6 Re6 20.Qd7 Re7 21.Qd6 Rae8 22.Rd4 Re6 23.Qd7 R6e7 24.Qg4 Qb5 25.Rfd1 c5 26.bc5 Qc5 27.R4d2 b5 28.Qd4 Qc7 29.Qd6 Rd7 30.Qc7 Rc7 31.Rd7 Rec8 32.Rc7 Rc7 33.Rd2 a5 34.Kg3 Kg7 35.Kf3 Rb7 36.Ke4 b4 37.Rb2 a4 38.Kd4 b3 39.ab3 ab3 40.Kc3 Kf6 41.Rb3 Rb3 42.Kb3 Kf5 43.Kc3 Ke4 44.Kd2 f5 45.Ke2 Ke5 46.f3 Kd5 47.Kd3 Ke5 48.g3 Kd5 49.h4 Ke5 50.f4 Kd5+/– 51.Ke2 Ke4= 52.Kf2 Kd3 53.Kf3 Kc4?? 54.e4+– Kd4 55.e5 Kd5 56.Ke3 Ke6 57.Kd4 Kd7 58.Kd5 Ke7 59.e6 Kf6 60.Kd6 Kg7 61.Kd7 Kf8 62.e7 Kf7 63.Kd8 Ke6+– 64.e8Q Kd5 65.Qe5 Kc4 (65...Kc4 66.Qc7 Kd4 67.Qh7 Ke4+–). atanas70 (1645) – potkolienka, kurnik, 2012.

9.Nd2 f5 10.a4 Nd7 11.Be2 (11.c5 e5+=) 11...e5= 12.Nb3 ed4 13.Bd4 Ne5 14.0-0 Qe8 (14...f4 15.ef4 Rf4 16.Qd2+=) 15.b5 (15.Qc2 Qf7+=) 15...Bd7 (15...a6 16.Qc2+=) 16.Nc5+= Bc8 17.a5 Rb8 (17...Qe7 18.Qb3+=) 18.Nb3 (18.b6 ab6 19.ab6 Be6+/-) 18...b6 19.ab6 ab6 20.Ra7 c5 21.Rg7 (21.Ba1!? Qe6 22.Qc2=) 21...Kg7=+ 22.Bc3 Rb7?? (better 22...Qe6=+) 23.Qd6+- Re7 24.Qb6 Kg8 25.Qc5 f4 26.ef4 Rf4 27.Qd5 Nf7 28.Qd4 Re5? (better 28...Ne5+-) 29.Qe3 Ref5 (29...Bg4 30.Qf4 Be2 31.Re1 Bc4 32.Be5 Qe5 33.Qe5 Ne5 34.Re4 Nf3 35.gf3 Bb5 36.Nd4+-) 30.Nd4 Rf6 31.Nc6 R6f5 (31...Bd7 32.Nb4 R6f5 33.Nd5 Rd5 34.Qf4+-) 32.Qd4 (better 32.g3!? Rf3 33.Bf3 Rf3+-) 32...Rf6 33.Qe3 R6f5 34.c5 (better 34.g3 Rf3 35.Bf3 Rf3+-) 34...Bb7 35.Na5 Bd5 36.c6 Ng5 (36...Ne5 37.Rd1 Qe6 38.c7 Rf2 39.Be5+-) 37.Qd4 Qf8 38.c7 Be6 39.Nc6 (better 39.b6 e3 40.Qh8 Kf7 41.Qf8 Kf8 42.b7+-) 39...Nf3 (39...Rf6+-) 40.Bf3 ef3 (40...Rf6 41.Be4 Kg7+-) 41.Qh8 Kf7 42.Nd8 (42.Qh7 Ke8 43.Re1 Re4 44.c8Q Bc8 45.Re4 Re5 46.Re5 Be6 47.Re6 Qe7 48.Qe7) 42...Ke8 (42...Ke7 43.Qh7 Rf7 44.Qg6 R7f6 45.Bf6 Qf6 46.Qh7 Kd6 47.Ne6 Qe6 48.Rd1 Kc5+-) 43.Ne6 Qh8 44.c8Q Ke7 (44...Kf7 45.Bh8 Rc5 46.Qd7 Kg8 47.Qg7) 1-0. Salinas Herrera,P (2510) - Arakhamia_Grant,K (2380), Titled Tue, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2)

9.Nd2 f5 10.Be2 Be6 (10...e5 11.de5 Nd7 12.f4 ef3 13.Nf3=) 11.0-0 Nd7 12.Qc2 Qc7 (12...Nf6 13.Nb3=) 13.Nb3 Bf7 (13...Bf6 14.h3=) 14.Rfd1 Nf6 (14...Bf6 15.h3+=) 15.a4 g5 (15...Rfd8 16.h3+=) 16.Nc5 (16.b5 Rab8+=) 16...b6 (16...Rad8 17.a5+=) 17.Na6+/– Qc8 (17...Qb7 18.b5+/–) 18.b5 f4 (18...Nd7 19.Nb4 c5 20.Nc6+–) 19.ef4 (19.Nb4 cb5 20.ab5 f3 21.gf3 Qh3+/–) 19...gf4 20.f3 (20.Nb4!? cb5 21.ab5+/–) 20...Bg6 (20...e3 21.Nb4 Be8 22.bc6 Bc6 23.Nc6 Qc6 24.Qf5+/–) 21.Qb3 Kh8 (21...e3!?+=) 22.Nb4+/– cb5 23.ab5 ef3 (23...e3 24.Ra6+/–) 24.Bf3+– Ne4 25.Nc6 Qc7 26.d5 (better is 26.Re1 Nd2 27.Qc3 Nf3 28.Qf3+– (28.gf3?! Rfe8+/–)) 26...Rg8?? (better is 26...Rf7+–) 27.Be4 Be4 28.Re1 (28.Re1 Bg2 29.Re7+–) 1–0. Kempinski,Robert (2585) – Moor,R (2385), YM, Zug SUI, 2001.

9.Nd2 f5 10.f4 ef3 11.Nf3 Nd7 12.Be2 Qc7 13.0-0 e5 14.b5 e4 15.Ng5 Nb6 16.a4 h6 17.Nh3 Be6 18.Rc1 cb5 19.d5 Bb2 20.de6 Bc1 21.Qc1 Nc4 22.ab5 Rac8 23.Qa1 Ne3 24.Rb1 Qc5 25.Kh1 Qc2 26.Re1 Qc3 27.Qb1 b6 28.Nf4 Kh7 29.Bf1 1-0. milanbelobrk (2000) - Nikvol (1870), Rated Blitz game, lichess.org, 2014. (=1.e3 Nf6 2.Nf3 g6 3.d4 Bg7 4.c4 0-0 5.Nbd2 d5 6.b4 c6 7.Bb2)

9.Nd2 f5 10.g4 a5 11.gf5 Bf5 12.Bg2 e5 13.d5 Qg5 14.Rg1 (14.Be4? Be4 15.Ne4 Qg2–+) 14...Na6 15.h4 Qh4 16.Rh1 Qg5 17.Be4 Be4 (17...Nb4 18.Bc3–/+; worse is 17...ab4 18.dc6 Nc5 19.Bd5 Kh8 20.cb7=) 18.Ne4 Qg2 19.Rh4 h5 20.Ke2 (20.ba5 Nc5 21.f3 Ne4 (21...Qb2?! 22.Nc5 Qb4 23.Ke2 Qc5 24.Rb1–+) 22.Re4 Rf3–+) 20...Qf3 21.Ke1 Qf7 22.Rh2 Nb4 (worse is 22...ab4 23.Ng5 Qf5 24.Ne6=) 23.a3 cd5 24.Ng5 Qf5 25.ab4 Qg5 26.Qd5 Kh7 27.Rg2 Qh4 28.Rg3 Qf6 29.Qg2 ab4 30.Ra8 Ra8 31.f4 Qf5 32.e4 Qf4 0–1. Postny,Evgeny (2660) – Prohaszka,Peter (2550), 13th EICC Plovdiv BUL, 2012. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Ne4)

9.Nd2 f5 10.g4 e5 11.de5 Nd7 12.Qb3 (12.gf5 Ne5 13.Ne4 Bf5 14.Qd8 Rad8 15.Nd2 Nf3 16.Nf3 Bb2 17.Rd1 Bc3 18.Ke2 Rd1 19.Kd1–+) 12...Ne5+= (worse is 12...Be5 13.gf5 Qh4 14.c5 Kh8 15.Qc2+=) 13.c5 Kh8 14.0-0-0 (14.Be2 Qe7+= 15.gf5+=) 14...Qe7 15.gf5 Bf5 16.Nc4 (16.Qc2 Bg4 17.Ne4 Bd1 18.Qd1 a5–/+) 16...Be6–+ 17.Qc2 Nc4 18.Bc4 Bc4 19.Qc4 Bb2 (19...Rf2 20.Bg7 Qg7 21.Rd4–/+) 20.Kb2–/+ Rf2 21.Kb1 Qe5 22.Qd4 Qd4 23.Rd4 a5 24.h4 ab4–+ 25.Rb4 Rfa2 26.Rh3 R2a5 27.h5 g5 28.Re4 Rc5 29.h6 Rg8 30.Re7 g4 31.Rg3 Rh5 32.Rb7 Rh6 33.Rb4 Rhg6 34.Rf4 h5 35.Rf5 Rg5 36.Rf6 R8g6 37.Rf1 h4 38.Rh1 h3 39.Kc2 Kg7 40.Kd3 Kh6 0–1. Krush,I (2430) – Donaldson,J (2395), ch–USA, Seattle USA, 2003.

8.Qb3 a5 9.ba5 Qa5 10.Bc3=.

8.Rc1 dc4 9.Bc4 b5+=.

8.c5 Nbd7 9.Be2 (9.Bd3 a5 10.b5 e5 11.Ne5 Ne5 12.de5 Nd7+=) 9...a5 (9...b6 10.0-0+=) 10.b5 cb5 (10...a4 11.Rb1+=) 11.Bb5 Nb8 12.0-0 Bd7 13.a4 Nc6 (13...b6 14.Rc1 bc5 15.dc5+=) 14.Bc3 (14.Rb1 Qc7+=) 14...Qe8 (14...b6 15.Ne5 Qc7 16.cb6 Qb6 17.Rb1+/–) 15.Qb3 Na7 (15...Qd8 16.Rab1+/–) 16.Rfb1 (16.Bd7 Qd7 17.Rfb1 Rfb8+/–) 16...Nb5 (16...Nc6 17.Be2+/–) 17.ab5 Qb8 (17...Qd8 18.Ne5+/–) 18.Ra5 Ra5 19.Ba5 Qa7 (19...Rc8 20.Bb6+–) 20.Bc3 (20.Bb6 Qa8+–) 20...Ra8 21.Ra1 Qb8+/– 22.Ra4 Ne8 23.Nb1 Nc7 24.Na3 Ra4+= 25.Qa4 Qe8 26.Qa7 Nb5+/– 27.Nb5 Bb5 28.Qb7 Bc6 29.Qa7 Ba4 30.Qb6 Qa8 31.Ba5 Bd1 32.c6+– Ba4 33.c7 Qc8 34.Qb8 Bd7 35.Bb4 Bf8?? 36.Ne5 1–0. Brukske (1705) – gerlandog, internet, 2007. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Nbd2 c6 7.c4 e6)

8.c5 Nfd7 9.Be2=.

8.Bd3 dc4 9.Nc4 Nd5 10.Qb3=.

8.Be2 b6 9.0-0 Bb7 10.c5 b5 (10...Ba6 11.Ba6 Na6 12.Qa4+=) 11.a4 a6 12.ab5 ab5 13.Ra8 Ba8 14.Qa1 Nbd7 15.Qa7 Ne4 16.Ra1 Ndf6 (16...Nd2 17.Nd2 e5 18.de5 Ne5 19.Bd4+=) 17.Ne4+/– Ne4 18.h3 h5 19.Bd3 f5 20.h4 Bf6 21.g3 g5 22.Be4 (22.hg5 Ng5 23.Ng5 Bg5+/–) 22...de4? (better is 22...fe4!? 23.Ng5 Bg5 24.hg5 Qg5=) 23.Ng5 Bg5 24.hg5 Qg5 25.Qc7 h4?? (better is 25...Qg7 26.Qg7 Kg7 27.d5 Kg6 28.de6 Rg8+–) 26.Ra7 Qh5 (26...Qh6 27.d5! h3+–) 27.Qg7 1–0. GuestKDDN – GuestRPWX, freechess.org, 2017.

9.0-0 dc4 10.Nc4 b5 11.Nce5 Bb7 12.Rc1 Rc8 13.Qb3 Ne5 14.Ne5 Nd5 15.g3 Be5 16.de5 Qb6? (better is 16...Nb4 17.Be4 a5=) 17.Bd4+/– Qa6 18.e4 Nb6 19.Bc5 Rfd8 20.Rfd1 Na4 21.Be7 Rd7 22.Bd6 1–0. bratek55 (1685) – krzychas05, kurnik, 2011.

9.0-0 Qe7 10.a3 a6 11.Rc1 Ne8 12.e4 de4 13.Ne4 Ndf6 14.Nc5 b6 15.Ne4 Ne4 16.Be4 Bb7 17.Qc2 Nf6 18.Bd3 Rad8 19.Rfe1 c5 20.dc5 Bf3 21.gf3 bc5 22.Bf6 Bf6 23.Be4 cb4 24.ab4 Qb4 25.Rb1 Qc5 26.Rb7 Qg5 27.Kh1 Rd2 28.Qc1 Rf2 29.Qg5 Bg5 30.Kg1 Rd2 31.c5 Rc8 32.c6 f5 33.Bb1 Rc6 34.Rb8 Kg7 35.Rb7 Kh6 36.Rb4 e5 37.h4 Bf4 38.Ra4 Rh2 39.h5 Rh5 40.Bd3 Rc1 41.Rc1 Bc1 42.Ra6 Be3 43.Kg2 Bf4 0–1. bratek55 (1670) – jaro6519, kurnik, 2012.

9.0-0+= Re8 10.a3 Qc7+=.

9.0-0+= Re8 10.Qc2 Qc7 (10...Qb6 11.c5 Qc7 12.a4+=) 11.Rfc1 a6 (11...Qd6 12.a3+/–) 12.a4 Qd6 13.c5 Qc7 14.b5 ab5 15.ab5 Ra1 16.Ra1 Qb8 17.h3 Nh5 18.Qb3 e5+– 19.bc6 bc6 20.Qb8 Nb8 21.de5 Nd7 22.g4 Nc5 23.Bc2 Be5? 24.Ne5 Ng7 25.Nc6 h5 26.Ra8 hg4 27.Ne7! (27.Ne7 Kh7 28.Nc8 gh3 29.Kh2+–) 1–0. bschardein – gtan (1800), net–chess.com, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 e6 6.e3 d5 7.Nbd2 c6)

9.0-0 Re8 10.Re1 b6 11.e4 de4 12.Ne4 Ne4 13.Be4 Bb7 14.Ne5 Ne5 15.de5 Qe7 16.Bc3 c5= 17.Bb7 Qb7 18.bc5 Rec8 19.Bd4 bc5 20.Bc3 Qa6 21.Qe2 Qa3 22.Qb2 Qa4 23.Qb3 Qa6 24.Qb5 Qa3 25.Qb3 Qa6 26.Qb5 Qa3 27.Qb3 Qa6 ½–½. Solomon,Kenny (2330) – Valenzuela Fuentealba,Luis (2420), Olympiad, Bled SLO, 2002. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 e6)

8.Qb3 Nbd7 9.a4 Nb6 10.a5 Nc4 11.Nc4 dc4 12.Bc4 Bc4 13.Qc4 e6 14.0-0 Qd5 15.Qc2 Ne4 16.Ba3 Rfc8 17.Rfc1 Bf8 18.b5 (better is 18.Ne5!?+=) 18...Ba3=+ 19.Ra3 c5 (19...cb5 20.Qc8 Rc8 21.Rc8 Kg7 22.Ra1=+) 20.h3 (20.a6 cd4 21.Qc8 Rc8 22.Rc8 Kg7 23.Nd4 e5–/+) 20...Kg7 (20...cd4!? 21.Qc8 Rc8 22.Rc8 Kg7 23.ed4 Qb5–/+) 21.Qb2 Kh6 22.Ne5 cd4 23.Rc8 Rc8 24.ed4 Rc7 25.b6+= ab6 26.ab6 Re7 27.Ng4 Kg7 28.Ne3 Qd6 29.d5 f6 30.de6 Qe6 31.Rd3 h5 32.f3 Nc5=+ (32...Nc5 33.Ra3 Nd7=+) 0–1. carocan (1850) – bebi52 (1755), kurnik, 2011.

8.Be2 Nbd7 9.0-0 a5 10.b5 dc4 11.bc6 bc6 12.Nc4 c5 13.dc5 Nc5 14.Ba3 Nfe4 15.Rc1 Qc7 (15...Qd1 16.Rfd1 (16.Rcd1? Nc3 17.Rfe1 Nd1 18.Rd1 Ne4–+) 16...Na4 17.Nce5+=) 16.Qc2 (16.Nd4 Rfd8+=) 16...Rac8 17.Ncd2 (better is 17.Nd4=) 17...Nc3–/+ 18.Rfe1 Bf5 (18...Ba2?! 19.Qc3 Bc3 20.Rc3=) 19.e4 N5e4 (19...Be4?! 20.Ne4 N5e4 21.Ba6=) 20.Ne4 Be4 21.Bd3 Bd3 (21...Bf3 22.gf3 Qf4 23.Re7–+) 22.Qd3–/+ Rfd8 23.Qe3 Qb7 (23...e6!?–/+) 24.Qe7 (24.Be7? Re8 (24...Na2 25.Rb1 Qd5 26.Bd8 Rd8 27.Qe7+/–) 25.Kh1 Rc7–+ (25...Na2?! 26.Rc8 Qc8 27.Qa7–/+)) 24...Qe7 25.Be7 Re8 26.Rc2 Rc4 27.Kf1 Ra4 28.a3 Nb5 29.Nd2 (29.Bc5 Re1 (29...Ra3?? 30.Re8 Bf8 31.Rf8 Kg7 32.Rb8 Ra1 33.Ke2+–) 30.Ne1 Bf8 (30...Na3? 31.Ra2+–) 31.Bf8 Kf8+=) 29...f5 (29...Na3 30.Ra2 Bc3 31.Ba3 Re1 32.Ke1=) 30.Nb1 Kf7 31.Bg5 Re1 32.Ke1 Rg4 (32...Na3?! 33.Rc7 Kg8 34.Rc8 Kf7 35.Rc7 Kg8 36.Rc8 Kf7 37.Rc7=) 33.f4 h6 34.Bd8 Rf4 35.Ba5 Bf8 36.Bd2 Rh4 37.h3 Na3 38.Rc7 Kg8 (38...Ke6 39.Na3 Ba3 40.Bc3–/+) 39.Nc3 Nc2 40.Kf2 Rd4 41.Ke2 Rd8 42.Nb5 Nd4 43.Nd4 Rd4 44.Bc3 Re4 45.Kf3 Re7 46.Rc8 Kf7 47.Rc6 Bg7 48.Bb4 Rb7 49.Bc5 g5 50.Bb6 Bf6 51.g4 f4 52.Rc7 Rc7 53.Bc7 Kg6 54.Bf4? gf4–+ 55.Kf4 Bh4 56.Kf3 Kf6 57.Kf4 Ke6 58.Kf3 Ke5 59.Kg2? Ke4 60.Kh1 Kf3 61.Kg1 Kg3 62.Kh1 Kf2 63.Kh2 Kf1 64.Kh1 Bg3 65.h4 Bh4 66.Kh2 Kf2 67.Kh1 Bf6 68.Kh2 Be5 69.Kh1 Kg3 70.Kg1 Kh3 71.Kh1 ½–½. Kucuksari,Kaan – Zhang,Zhuoran, Al–Ain UAE, World Ch Boys U10, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 0-0 7.Bb2 Be6)

8.Be2 h6 9.0-0= Na6 10.a3 Nc7 11.Ne5 Nd7 12.c5 Ne8 13.f4 Ne5 14.de5 Qd7 15.Nb3 f6 16.Bd3 Bf5 17.Nd4 e6 18.g4 Bd3 19.Qd3 f5 20.Kh1 Kh7 21.Rg1 Nc7 22.Rg3 Rg8 23.Rag1 Qf7 24.Qe2 Bh8 25.Rh3 a6 26.Qf2 fg4+/– 27.Rg4 Be5?? 28.Qh4 h5 29.fe5 a5 30.Rf4 Qg7 31.Nf3 Raf8 32.Ng5 Kh6 33.Rf6 (33.Rf6 Rf6 34.ef6+–) 1–0. Saric,Ib (2505) – Plaskan,J (2055), Open, Pula CRO, 2007.

8.Be2 h6 9.0-0 Nbd7 10.a4 a5 11.b5 c5 12.Rc1 Rc8 13.h3 dc4 14.Nc4 Bd5 15.Nfe5 (15.Qc2 Ne4 16.Rfd1 Nb6+=) 15...cd4 16.Bd4 e6 17.Nd2 b6 (better is 17...Ne5!? 18.Be5 Qe7=) 18.Nc6+/– Qe8 (18...Bc6 19.bc6 e5 20.Ba1+/– (20.cd7?! Rc1 21.Qc1 ed4=)) 19.Nc4+– Bc4 20.Rc4 Nd5 21.Bf3 Bd4 22.Qd4+– Ne7 23.Rd1 Nc5 24.Qh4 Nf5 25.Qf6 Nd7 26.Qc3 Nc5 27.Qf6 Nd7 28.Qa1 Nc5 29.g4 Ne7 30.Qf6+– Nc6 31.Bc6 Rc6 32.bc6 Qc6 33.Rd8 Rd8 34.Qd8 Kg7 35.Rf4 e5+= 36.Rc4 Qf3 37.Qd6+/– e4 38.Qe5 Kh7 39.Qf4 Qf4 40.ef4 f5 41.f3 ef3 42.Rd4 Kg7 43.Kf2 g5? 44.fg5+– hg5 45.Kf3 f4 46.Rd5 Na4 47.Rg5 Kh6 48.Rb5 1–0. Hansen,SuB (2555) – Andersen,Mad (2330), ch–DEN, Hillerod DEN, 2010.

8.Be2 dc4 9.Nc4 b5 10.Nce5=.

8.Be2 dc4 9.Nc4 Nd5 10.a3=.

8.Be2 Nbd7 9.0-0 a5 10.b5+=.

8.Be2 Nbd7 9.0-0 b6 10.Qb3 e6 11.Rfc1 Bb7 ½-½. Zeman,Matyas (2275) - Michalek,J (2230), 27th Klatovy Open, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4)

8.Be2 Nbd7 9.0-0+= dc4 10.Nc4 Nd5 11.a3 N7f6 12.Ncd2 (12.Nce5 Bf5+=) 12...Nd7 (12...Bf5 13.Rc1=) 13.Qb3 a6 14.Rac1 e5 (14...N7f6 15.Ne5 Bf5 16.Bf3+=) 15.de5+/– Ne5 16.Ne5 Be5 17.Nf3 Bb2 18.Qb2 Qe7 19.Nd4 Qe5 20.Qd2 Bd7 21.Rfe1 Rad8 22.Bf3 Nf6 23.Qe2 Ne4 24.Be4 Qe4 25.f3 (25.Nb3 Qg4+=) 25...Qh4 26.Rc4 Qh6 27.Qf2 Be6 28.Rc5 Rd6 29.Qg3 Red8 30.f4 Qg7 31.h4 (31.Re5 b6=) 31...h5 (31...Bd5!?+=) 32.Rg5+= Bg4 33.f5 Kh7 34.Qf4 Qf6 35.fg6 (35.Rf1 gf5 36.Nf5 Rd3+=) 35...fg6= 36.Qg3 Rf8 37.Kh2 Rd7 38.Ne2 Be2 39.Re2 Qd6 (39...Rd3 40.a4=) 40.e4 (40.Qd6 Rd6 41.e4 Re6=) 40...Qg3 (40...Rf4 41.Kh3 Qe6 42.Kh2=) 41.Rg3= (worse is 41.Kg3 Rd3 42.Kh2 Ra3–/+) 41...Rf4 42.Kh3 Kg7 43.Rge3 Rd4 44.g3 Rf6 45.g4 ½–½. Holz Auf Der Heide,Gerhard – Reichardt,Ronald, 2rd VfB op, 1995.

8.Be2 Nbd7 9.0-0 Ne4 10.cd5 Nd2 11.Qd2 cd5 12.a4 Nf6 13.Rfc1 Bf5 14.b5 Ne4 15.Qe1 Rc8 16.h3 Rc1 17.Rc1 Qb8 18.Ba3 Bf8 19.Ne5 Rc8 20.a5 Nd6 21.a6 f6 22.Bd6 Rc1 23.Qc1 ed6 24.Nd3+/– ba6 25.ba6 Bd7 26.Nf4+– Be7 27.Nd5 Bd8 28.Qc4 Kg7 29.Nf4 Qb1 30.Kh2 Qe4 31.Bf3 Qe8 32.Qd5 Bc7 33.Qb7 Qb8 34.Nd5 Qb7 35.ab7 Bb8 36.Nb4 Bb5 37.d5 Kf8 38.Nc6 Bc6 39.dc6 Ke7 40.Bd5 Kd8 41.h4 h6 42.h5! gh5 43.Kh3 Ke7 44.e4 a5 45.Kh4 Kf8 46.Kh5 Kg7 47.Kg4 Kg6 48.Bb3 Bc7 49.Bc2 Bb8 50.e5 Kf7 51.Bb3 (51.Bb3 Ke7 52.ef6 Kf6 53.f4+–) 1–0. Reefschlaeger,Helmut (2380) – Genkin,Michael (2175), Hessen–ch int 1st, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.e3 d5 7.Nbd2)

8.Be2 Nbd7 9.0-0 e6 10.Qb3 b6 11.cd5 cd5 12.Rfc1 Bb7 13.a4 Rc8 14.Rc8 Qc8 15.Rc1 (15.a5 Qb8+/–) 15...Qb8+= 16.a5 Rc8 17.Rc8 Qc8 18.Qc3 (18.Qa4 ba5 19.Qa5 a6+=) 18...Bf8 19.Qc8 Bc8 20.Bc3 Bd6 21.h3 (21.a6 b5+=) 21...Ne8 (21...h5 22.a6+=) 22.Nb3 (22.b5 Nef6+=) 22...f6 (22...Nef6 23.Bd3=) 23.Bb5 (23.Kf1!?+=) 23...Nc7+= 24.Be2 Nb8 (24...Ba6 25.Nc1+=) 25.Ne1 Ba6 26.Kf1 Bb5 27.Nc2 Nba6 28.Ke1 Kf7 29.Kd2 Ba4 30.Nba1 Nb5 31.Bd3 Nc3 32.Ba6? (better is 32.Kc3!? Nc7 33.Nb3+=) 32...Ne4–/+ 33.Ke2 ba5 34.ba5 Bc7 35.f3 Nd6 36.Na3 Ba5 37.Kd3 Ke7 38.N1c2 Kd7 39.e4 (better is 39.Ke2!?–+) 39...de4 40.fe4 Bc6 41.e5 fe5 42.de5 Nf7 (42...Bg2 43.Ne3 Be4 44.Ke2–+) 43.Nc4 Bc7 44.Nd4?! (44.Kd4 Bg2 45.h4 Bd8 46.Bb5 Bc6 47.Bc6 Kc6–+) 44...Ne5 (better is 44...Bg2 45.Bb5 Ke7 46.Nc6 Bc6 47.Bc6 Be5 48.Bg2–+) 45.Ne5 Be5 46.Nc6 Kc6 47.Ke4 Bf6 48.g4 Kd6 49.Bc4 Be5 50.Ba6 Bh2 51.Bc4 h5 52.Ba6 hg4 53.hg4 g5 54.Bc4 (54.Kd4 Bf4–+) 54...e5 (54...a5 55.Kd3–+) 55.Kd3 (55.Ba6 Bf4–+) 55...Kc5 (55...a5 56.Bb3–+) 56.Ba2 (56.Ba6 Kb6 57.Bc8 Kb5–+) 56...Kb4 57.Kc2 (57.Bd5 a5–+) 57...Bf4 (57...e4 58.Bd5 e3 59.Kd3–+) 58.Bd5 Kc5 59.Ba2 Kd4 60.Kd1 Ke3 61.Ke1 (61.Bd5 a5–+) 61...Kf3 (61...a5 62.Bb3–+) 62.Be6 a5 0–1. Perez De La Torre,Jorge – Martinez Morina,Manel, Torneo De Promocion Octubre, 2013. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.Nbd2 Bg7 5.b4 c6 6.c4 0-0 7.Bb2 Re8)

8.a4 a5 9.b5 cb5 10.cb5 Nbd7 11.Be2 Rc8 12.Qb3 Bc2 13.Qa3 Bf5 (13...Nb6 14.Rc1=) 14.Qb3 (14.0-0 Re8+=) 14...Bc2 15.Qa3 Bf5 (15...Nb6 16.Rc1=) 16.Qb3 (16.0-0 Re8=) 16...Bc2 17.Qa3 Bf5 (17...Nb6!?=+) 18.Qb3 (18.0-0 Ne4=) 18…Bc2 ½-½. Aronyak,Ghosh (2380) - Kushagra,Mohan (2305), Mumbai IND, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Bf5 7.c4 c6)

8.a4 a5 9.b5= Ne4 (9...Nbd7 10.Be2=) 10.Be2 (10.Ne4 Be4 11.Bd3 Nd7=) 10...Nd2 (10...Nd7 11.0-0=) 11.Qd2 dc4 (11...Nd7 12.Nh4 Be6 13.c5=) 12.Bc4+= Be4 (12...Nd7 13.0-0=) 13.Be2 (13.0-0 e6+=) 13...Qd5= 14.0-0 c5 (14...Nd7!?=) 15.Rfd1+/– Nd7 16.dc5 Qd2 17.Nd2 (worse is 17.Rd2 Nc5 18.Ng5 Nb3 19.Ne4 Na1+=) 17...Bb2? (better is 17...Nc5!? 18.Bg7 Kg7+=) 18.Ne4+– Ba1 19.Rd7 (19.Ra1 Rac8–/+) 19...Rab8 (19...Rac8 20.Re7 (20.Rb7?! f5+/–) 20...Rfe8 21.Re8 Re8 22.Nd6+–) 20.Re7 Rfd8 (20...Rfe8 21.Re8 Re8 22.Nd6+–) 21.Nd6 (21.b6 Bb2 22.Rc7 h6+–) 21...b6 22.g4 (22.Rf7 Rd6 23.Ra7 bc5 24.Ra5 Rd2 25.Bc4 Kh8–+) 22...bc5 (22...Bf6 A) 23.Rf7?! Rd6 24.Bc4 Rd1 (24...bc5?? 25.Rf6 Kg7 26.Rd6+–) 25.Kg2 Rc1+/–; B) 23.Ra7 bc5 24.Ne4+–) 23.Nf7 Re8 (23...Rd2 24.Bc4 Kf8 25.Rc7+–) 24.Re8 (24.Nh6!? Kh8 25.Ra7 Re4 26.Ra5 Rb4+–) 24...Re8+/– 25.Nd6 Rd8 (25...Rb8!?+/–) 26.Nb7+– Rc8 (26...Ra8+–) 27.Na5 Ra8?? (27...Bc3 28.Nc6 Kf8+–) 28.Nc6 Kf8 (28...Ra4 29.b6 Be5 30.Ne5 Rb4+–) 29.b6 (29.b6 Bc3 30.b7+–) 1–0. Sandipan,Chanda – Zarinfam,Arsalan, 1st Yerevan Open, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6)

8.a4 Na6 9.Qb3=.

8.a4 Ne4 9.Qb3 (9.Ne4 de4 10.Nd2 Na6 11.Qb3 Qd7 12.h3 g5 13.Be2 Bf6 14.c5 Nc7+=) 9...a5 (9...Nd2 10.Nd2 Be6 11.Bd3 dc4 12.Bc4 Bc4 13.Nc4 Nd7 14.0-0 Nf6=; 9...Na6 10.Be2 Nd2 11.Nd2 Qd6 12.b5 Nc7 13.0-0 Rfd8 14.c5 Qf6+=; 9...Qd6 10.Be2 Nd7 11.0-0 Nd2 12.Nd2 Rfd8 13.a5 Nf6 14.b5 Ng4=) 10.b5 (10.ba5 Qd7 11.Ne4 Be4 12.Ne5 Be5 13.de5 Ra5 14.e6 Qc7+=) 10...Nd7 (10...Ra7 11.Ne4 Be4 12.Rc1 Nd7 13.cd5 Bd5 14.Qc2 Bf3=) 11.cd5 cd5 (11...cb5 12.Bb5 Nb6 13.Rc1 Rb8 14.h3 Nd5+/–) 12.Qd5 Nd2 (12...e6 13.Qb3+= (worse is 13.Qb7 Ndc5 14.dc5 Nc5 15.Bg7 Kg7–/+) 13...Rc8 14.Nc4 g5+/–) 13.Nd2+= (worse is 13.Kd2 Be6 (13...e6 14.Qd6 Rc8+=) 14.Qg5 Nb6+= (14...Rc8+=)) 13...e5 14.Be2 (14.Nc4 Rc8+/– 1.00 (14...Be6 15.Qb7 ed4=)) 14...Rc8= (14...Re8+/–) 15.Nf3 Rc2 16.Ba3 Qc7 17.Qb3 (17.0-0!? Nb6 18.Qd6 Qd6 19.Bd6 Re2 20.Bf8 Kf8 21.Ne5–/+) 17...Be6–+ 18.Qd3?? (better is 18.Qb1 Qc3 19.Kf1–+) 18...e4! (18...e4 19.Qd1 ef3 20.Bf3 Qc3 21.Kf1 Re8–+) 0–1. Hamitevici,V (2435) – Melkumyan,H (2620), PokerStars IoM Masters, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

8.Qb3 a5 9.ba5 Qa5 10.Bc3 Qc7 11.Ne5 Nfd7 12.Nd7 Nd7 13.cd5 cd5 14.Bb5 e5 15.0-0 Rfe8 (15...Rfc8 16.Rac1=) 16.Rac1 ed4 17.ed4 (better is 17.Bd4 Qa5 18.Bg7 (worse is 18.Qd5 Be6 19.Nc4 Qb4+=) 18...Kg7 19.Qb2 (worse is 19.Qd5 Re5 20.Qd4 Qb5=) 19...f6 20.a4+/–) 17...Nf6? (17...Qd6 18.Rfe1=) 18.Nf3 (18.Be8 Re8 19.a4 b6+–) 18...Ne4?? (better is 18...Rec8=) 19.Bb2 (19.Bb4 Qb6 20.Bc5 Qa5 21.Be8 Re8+–) 19...Qf4 (19...Qd6 20.Be8 Re8 21.Rfe1+– (21.Qb7 Rb8 22.Ba3 Rb7 23.Bd6 Nd6–/+)) 20.g3 Qg4 21.Rfe1?? Nd6?? 22.Be2?? Qh3 23.Bf1 Qg4 24.Be2 Qh3 25.Bf1 Qg4 26.Be2 Qh3 27.Bf1 ½–½. Hort,Vlastimil – Ivkov,Borislav, Sarajevo, 1964. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5)

8.Qb3 Nbd7 9.a4 Qc7 (9...dc4 10.Bc4 Nb6 11.Be2+=) 10.Rc1 dc4 (10...Qd6 11.Be2+=) 11.Bc4= Nb6 12.Be2 Be6 13.Qa3 Qd6 (13...Nbd5 14.0-0=) 14.a5+= Nbd7 15.0-0 Nd5 16.b5 Rfc8 (16...cb5 17.Qd6 ed6 18.Bb5+=) 17.Ne4 (17.Qd6!? ed6 18.Ne4+/–) 17...Qa3+= 18.Ba3 cb5 19.Bb5 a6 (19...h6 20.Ng3+=) 20.Be2 N7f6 (20...Bf5 21.Nfd2+=) 21.Nc5+/– Bf5 22.Nd2 (22.Rfe1 Rc7+/–) 22...Bg4 (22...Rc7!?+=) 23.Bg4+/– Ng4 24.h3 (24.Nb7 Ngf6+/–) 24...Nge3 25.fe3 Ne3 26.Rfe1 Nf5 27.Ndb3 Nd4 28.Re7 (better is 28.Nd4!? Bd4 29.Kf1+/–) 28...Bf8= 29.Ree1?? (better is 29.Re3 Bh6 30.Re7 Bc1 31.Bc1+= (31.Nc1?? Nc2–+)) 29...Nb3–+ 30.Nb3 Ba3 31.Rcd1 (31.Ra1 Bd6–+) 31...Bb4 (31...Rc3!? 32.Rb1–+) 32.Re4 Bf8 33.Rd7 Rab8 34.Rf4 f5 35.Rf3 b6 (35...Rd8 36.Rc7–+) 36.g4? (better is 36.Ra7–+) 36...fg4 37.hg4 ba5 38.Na5 Rc2 39.Nb7 Rb2 40.Rd8 (40.Nd8 Bc5 41.Kh1 a5–+) 40...Rd8 (40...R8b7?! 41.Rdf8 Kg7 42.Ra8–+) 41.Nd8 Rb4 42.g5 (42.Kf2 Rg4 43.Rc3 Bb4–+) 42...Be7 (42...a5 43.Rc3–+) 43.Ne6 (43.Nc6 Rb1 44.Kg2 Bg5–+) 43...Re4 44.Nc7 a5 45.Nd5 Bg5 46.Ra3 Bd8 47.Ra5 (47.Kf1 Rd4 48.Nc3–+) 47...Re1 (47...Re1 48.Kf2 Ba5–+) 0–1. Bodrogi,Mihaly (2075) – Kelemen,Szabolcs (1765), Dr. Elekes Dezso Emlekverseny, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.c4 c6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5)

8.Qb3 Nbd7 9.Be2 Ne4 10.cd5 Nd2 11.Nd2 cd5 12.Qd5 Qb6 13.Qb5 (13.a3 Rfc8+/-) 13...Rac8 14.e4 (14.Qb6 Nb6 (14...ab6? 15.g4 Be6 16.Kd1+-) 15.Bd1 Rfd8+/-) 14...Be6+= 15.Qb6 Nb6 (worse 15...ab6 16.Nf3+/-) 16.Bd1 (16.Nf3 Rfd8 17.Rd1 Ba2=) 16...Nc4 17.Nc4 Bc4 (17...Rc4 18.a3 Bd4 19.Bd4 Rd4 20.Bf3=) 18.Kd2 (18.a3 Rfd8 19.e5 Bd5+=) 18...Rfd8 (18...Rcd8!?=) 19.Ke3+= b5 (19...f5 20.Bc2+=) 20.a4 (20.Bg4 e6 21.f4 f5+/-) 20...a6 21.ab5 Bb5 22.Bb3 e6 23.Rac1 (23.Rhd1 Bf8+=) 23...Bh6 (23...e5!? 24.d5 Bh6 25.Kf3 Bc1 26.Rc1 Rc1 27.Bc1 Rc8=) 24.f4+/- e5 25.g3 ed4 26.Bd4 g5 (26...Bf8!?+/-) 27.Rc8+- Rc8 28.Rd1 (better 28.Rb1+-) 28...gf4? (better 28...Bf8!?+/-) 29.gf4+- Kf8 30.Bc5 Ke8 31.Rg1 Rc6 32.Rg8 Kd7 33.Bf7 (better 33.Kf3 Rf6 34.Be3+-) 33...Bf4+/- 34.Kf4 Rf6 35.Ke5 Rf7 36.Ra8 Rg7?? (better 36...Bc4+-) 37.Ra7 (37.Ra7 Kc6 38.Rg7+-) 1-0. Rakotomaharo,Fy Antenaina (2420) - Hamon,C (2015), Europe-Echecs Blitz Open, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5)

8.Qb3 Ne4 9.Ne4 Be4 10.Nd2 Bf5 11.Be2 h5 12.0-0 Re8 13.a4 White intends b5 13...Be6 14.b5 dc4 15.Bc4 Bc4 16.Nc4 Qd5 17.Rfc1 Nd7 18.Na5 (18.bc6 bc6 19.Qc2 h4+/-) 18...cb5?? (better 18...Qb3 19.Nb3 e5=) 19.Qd5+- (19.Qd5 Nf6 20.Qb5+-) 1-0. zumpili (2280) - kingstar70 (2270), Rated Blitz game, lichess.org, 2019. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6)

8.Rc1 a5 9.b5=.

8.Rc1 Nbd7 9.Be2 a5 10.b5 a4 (10...cb5 11.cd5 Nb6 12.Bb5 Qd5 13.Qb3=) 11.Ba3 (11.cd5 cd5 12.0-0 Qb6+=) 11...Re8 (11...cb5 12.cb5 h6 13.Nh4+=) 12.0-0 Ne4 (12...cb5 13.cb5 h6 14.Nh4+=) 13.Ne4 Be4 14.Ng5 (14.Nd2 Nf6+=) 14...Bf5 15.bc6 bc6 16.cd5 cd5 17.g4 Bh6 (better is 17...e5!? 18.Nf7 Kf7 19.gf5 ed4 20.fg6 hg6+/–) 18.Nf7+– Kf7 19.gf5 Rg8 20.fg6 Rg6 21.Kh1 Nf6 22.Bh5 (22.Bb5 Qb8 23.Bd3 Rg5+–) 22...Nh5+/– 23.Qh5 Qd7 24.Rg1 Raa6 (24...Rag8 25.Rc5+–) 25.Rg6 (25.Rc5!?+–) 25...Rg6+/– 26.Rc5 Bg5 27.Qh7 Rg7 28.Qh5 Kg8 (28...Rg6 29.Qf3 Kg7 30.Qd5+–) 29.Qf3 (29.Ra5!? Qb7 30.Qe8 Kh7+–) 29...e6 30.Rc1 Kh7 (30...Bd8 31.Bc5+–) 31.Bf8 Rg6 (31...Rf7 32.Qg3 Qe8+–) 32.Qh5 Bh6 33.Rg1 (33.Rg1 Qf7 34.Rg6 Qg6 35.Qg6 Kg6 36.Bh6 Kh6 37.Kg2+–) 1–0. Kraus,Tomas (2415) – Jansa,Vlastimil (2445), CZE Ch, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Bf5 7.c4 c6)

8.Rc1 Nbd7 9.Be2 dc4 10.Nc4 Be4 11.0-0+=.

8.Rc1 Nbd7 9.Be2 e5 10.de5+/- Ne4 11.cd5 cd5 12.Nb3 Re8 (12...Qe7 13.0-0 Ne5 14.Be5 Be5 15.Nbd4+/- (worse 15.Qd5 Nc3 16.Qe5 Qe5 17.Ne5 Ne2 18.Kh1 Nc1 19.Nc1 Rfc8-/+; 15.Ne5?! Qe5 16.Nd4 a5+=)) 13.Qd5 Ne5 14.Qd8 Rad8 15.Ne5 Be5 16.Be5 Re5 17.0-0 Nf6 18.Rfd1 Ree8 (18...Rd1 19.Bd1 Be4 20.f3+-) 19.Rd8 (19.Nd4 Be4+-) 19...Rd8 20.f3 (20.Bf3 Be4+-) 20...Kg7 (20...Be6 21.Bc4+/-) 21.e4 Be6 22.Rc7 (22.Bc4 Rc8 23.Be6 Rc1 24.Nc1 fe6+-) 22...Rb8 (22...Bb3 23.ab3 Rd7 24.Rd7 Nd7 25.f4+/-) 23.Kf2 (23.Nc5!? Ba2 24.Rb7 Rb7 25.Nb7 Ng8+-) 23...Bb3+/- 24.ab3 Ne8 25.Re7 Nd6? (25...Kf6 26.Rd7 Ke6 27.Rd1+/-) 26.Bc4 (26.Rd7!? Nc8 27.Bc4 Kh6+-) 26...a6 (26...Kf6!? 27.Rd7 Nc4 28.bc4+-) 27.Bd5 b5 (27...Rd8+-) 28.Rd7 Rb6 (28...Ne8 29.Rf7 (29.Bf7?! Nf6 30.Ra7 Ne4 31.fe4 Rf8+-) 29...Kh6 30.h4+-) 29.e5 Nf5 30.Rf7 (30.Bf7?! Kf8 31.Bd5 Ne7+-) 30...Kh6 (30...Kh8 31.e6 Rb8+-) 31.g4 Nd4 (31...Rb8 32.gf5 gf5 33.Rf5+-) 32.h4 Nc6 (32...g5 33.h5 Rc6+-) 33.g5 Kh5 34.Rh7 1-0. novisad01 (2165) - zecoquinho666, Rated Blitz tournament, lichess.org, 2014. (=1.d4 d5 2.c4 Nf6 3.e3 g6 4.Nd2 Bg7 5.Ngf3 0-0 6.b4 c6 7.Bb2 Bf5)

8.c5 Nbd7 9.Qb3 Re8 10.Bd3 Bd3 11.Qd3 Qc7 12.e4 (better 12.0-0!?=) 12...e5 13.0-0 ed4 14.ed5 (14.Rfe1 de4 15.Ne4 Ne4 16.Re4 Ne5 17.Ne5 A) worse 17...Re5 A1) worse 18.Rd4 Rae8 19.Bc3 Re2=+; A2) 18.Bd4? Qd7 19.Qf3 Re4 20.Bg7 Re6-+ (20...Kg7?! 21.Qe4 Re8 22.Qf4=; 20...Rb4?! 21.Bc3 Rd4 22.h3-/+); A3) 18.Qd4 Rd8 19.Qc3+/-; B) 17...Be5=) 14...Nd5-/+ 15.Bd4 Bd4 (15...Nb4 16.Qc4 Bd4 17.Nd4-/+) 16.Nd4 (16.Qd4 b6=) 16...Ne5 (better 16...Nb4!? 17.Qa3 a5-/+) 17.Qb3= Qe7 (17...a5 18.a3=) 18.N2f3 (18.Rae1 Rad8+=) 18...Qf6 19.Ne5 Re5 20.Nf3 (20.a3 Rae8=) 20...Rf5 (20...Re2 21.a3=) 21.Rae1 (21.Rad1 Rf4 22.a3 a5 23.ba5 Ra5 24.Qb7 Kg7+=) 21...Nf4 (21...b5 22.cb6 ab6 23.a3=) 22.Re3 g5 (22...a5!?=) 23.Rfe1+= Qh6 (23...Nd5 24.R3e2+=) 24.Re5 (24.Re7 Nd5 25.R7e2 Qf6+/-) 24...Re5+= 25.Re5 g4 26.Rg5?? (better 26.Ne1+=) 26...Kh8?? (better 26...Ng6 27.Rg6 hg6-+) 27.Qc3?? (better 27.Ne5 Rf8 28.Qf7+- (worse 28.Rg4 Nd5 29.Qb2 f6+/-)) 27...f6-+ 28.Rf5 (28.Qa1 gf3 29.Rg4 Ng2 30.Qc3-+) 28…Ne2 (28...Ne2 29.Kh1 Nc3-+) 0-1. nerowolf - cmamani79 (1620), Rated Bullet game, lichess.org, 2014. (=1.d4 d5 2.c4 c6 3.e3 g6 4.Nf3 Bg7 5.Nbd2 Nf6 6.b4 0-0 7.Bb2 Bf5)

8.Be2 Na6 9.a3 Nc7 10.0-0 Nd7 (10...a5 11.c5=) 11.cd5+= cd5 (11...Nd5? 12.e4+–) 12.a4 White intends b5 (12.Rc1 Nb6+=) 12...Bg4 (12...Rc8 13.Qb3+=) 13.b5 (13.Rc1 Nf6+=) 13...Ne8 (13...Ne6 14.Rc1+=) 14.Qb3 (14.h3 Bf5+=) 14...Nef6 (14...Ndf6 15.h3 Be6 16.Ng5+=) 15.h3+/– Bf3 16.Nf3 (16.Bf3 e6+/–) 16...e6 17.a5 (17.Nd2 Rc8+/–) 17...Rc8 (17...Ne4 18.Rfc1+=) 18.Bd3 (18.a6 b6+/–) 18...Re8 (18...Ne4 19.Ba3 Re8 20.Bb4+=) 19.Nd2 (19.a6 Qc7+/–) 19...Qc7 (19...e5 20.a6 b6 21.Rac1+=) 20.Rfc1 Qb8 21.Bc3 Rc7 (21...e5 22.b6 a6 23.Be2+=) 22.b6+/– Rcc8 (22...ab6 23.ab6 Rcc8 24.f3+/–) 23.ba7 (23.a6!? Nb6 24.ab7 Qb7 25.Ba6+–) 23...Qa7+/– 24.Rcb1 (24.a6 Rc7+/–) 24...Rc7 (24...Rb8 25.Bb5+/–) 25.Bb4 (25.a6 Rb8+/–) 25...Bf8+= 26.Nf3 (26.Rc1 Rec8 27.Bc3 Qb8+=) 26...Bb4 27.Qb4 Ra8 (27...Rec8 28.g3+=) 28.g4 (28.Qe1 Rb8+=) 28...h6 (28...Qb8 29.Rc1+=) 29.Kg2 Qb8 30.Qe1 (30.Rc1 Qc8 31.Rc7 Qc7+=) 30...Qc8 (30...Qd8 31.Rb3=) 31.Rb5 (31.Rc1 Kg7+=) 31...Rc3 (31...Ne4!?=) 32.Qb1+= Kg7 (better is 32...Nf8!?+=) 33.Rb7+/– Rd3 34.Rd7 Rc3 (34...Nd7!? 35.Qd3 Nb6+–) 35.Rb7+– Rc7 36.a6 Ne4 (36...Ra6 37.Rc7 (37.Ra6?! Rb7 38.Qa1 Qc2=) 37...Ra1 38.Rf7 (38.Rc8?! Rb1 39.Rc7 Ne8=) 38...Kf7 39.Ne5 (worse is 39.Qa1 Nd7+–) 39...Kf8 40.Qa1+–) 37.Ne5 h5? (37...Nd6 38.Rc7 Qc7+–) 38.Rc7 Qc7 39.Qb7 Qb7 40.ab7 Rb8 41.Rb1 Nd6 42.Rb6 Nc4 1–0. Bachmann,Axel (2625) – Latorre,Matias (2355), ch–PAR, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5 8.Be2 Na6)

8.Be2 Na6 9.a3 Nc7 10.Nb3 Ne4 11.0-0 Ne8 12.Na5 Rb8 13.Ne5 Bd7 14.Bd3 f6 15.Nd7 Qd7 16.f3 N4d6 17.c5 Nf5 18.Qe2 b6 19.Nb3 Nc7 20.e4 Nh6 21.Rfe1 e5 22.Rad1 Rbe8 23.b5 Nb5 24.Bb5+– cb5 25.de5 fe5 26.Rd5 Qc6 27.Rd6 Qc7 28.Qb5 bc5 29.Qc5 Qc5 30.Nc5 Rb8 31.Ba1 Nf7 32.Rd7 Rfc8 33.Rd5 a5 34.Nd7 Rb3 35.Ra5 Bh6 36.Rd5 Be3 37.Kh1 Ra3 38.Be5 Ne5 39.Ne5 Rac3 40.Ng4 Bb6 41.Rd7 h5 42.Nf6 Kf8 43.Red1 Rc1 44.g3 R1c2 45.e5 Re2 46.Nh7 Kg8 47.Nf6 Kf8 48.R7d2 Rd2 49.Rd2 Be3 50.Re2 Bd4 51.f4 Ke7 52.Kg2 Ke6 53.Ne4 Rc1 54.Ng5 Kd5 1–0. Harika,D (2505) – Frank Nielsen,M (2020), 16th ECC w Rogaska Slatina SLO, 2011. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2)

8.Be2 Na6 9.Qb3 dc4 10.Bc4 e6 11.0-0 Nc7 12.Ne5 Nd7 13.Nd7 Qd7 14.e4 Bg4 15.h3 Bh5 16.g4 Bg4 17.hg4 e5 18.d5 cd5 19.ed5 b5 20.Be2 Nd5 21.Rfd1 Nf4 22.Bf3 Rac8 23.Ne4 Qe7 24.Rd2 Bh6? (24...Rfd8 25.Rad1 Rd2 26.Rd2+/–) 25.Rd6 (better is 25.Rd7! Qh4 26.Be5+–) 25...Rfd8+/– 26.Rad1 Rd6 27.Nd6 Rd8 28.Nb5 Rd1 29.Qd1 Qb4 30.Ba3 (better is 30.Be5 Qa5 31.Bc3+–) 30...Qa5+/– (30...Qb5?? 31.Qd8 Qe8 32.Qe8 Kg7 33.Bf8 Kf6 34.Qe7) 31.Qc2 (better is 31.Be7!?+/–) 31...Kg7= (31...Qb5?? 32.Qc8 Kg7 33.Bf8 Kf6 34.Qd8 Ke6 35.Qe7) 32.Qc5 Qe1 33.Kh2 Ne6 34.Bb4 Bf4 35.Kg2+/– Qb1 36.Qc4 Bg5 37.Bc3 Bf6 38.Nd6 Nf4?? 39.Kh2 Ne6 40.Ne8 (40.Ne8 Kh6 41.Nf6+–) 1–0. Filip,Daniel (2055) – Steininger,Robert, AUT–ch U18 Illmitz, 2004. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d5 5.Bb2 c6 6.c4 0-0 7.Nbd2 Bf5)

8.Be2 Na6 9.Qb3 Nc7 10.0-0 Ne4 (10...Ne6 11.Ne5+=) 11.a4 (11.Ne4 de4 12.Nd2 e5+=) 11...a6 (11...dc4 12.Nc4 Nd6 13.Rfc1=) 12.Rfd1 (12.c5 Nd2 13.Nd2 Ne8=) 12...Re8 (12...Nd2 13.Nd2 dc4 14.Nc4+=) 13.b5 (13.c5 Qc8+=) 13...cb5 (13...Nd2 14.Nd2 Rb8 15.b6+–) 14.ab5+= Qd7? (better 14...dc4 15.Bc4 Nd6 16.ba6 Nc4 17.Qc4 ba6+=) 15.b6+– Nd2 (15...dc4 16.Bc4 Ne6 17.Ne4 Be4 18.Nd2+–) 16.Nd2 (16.Rd2?! dc4 17.Bc4 Ne6+–) 16...dc4 17.Bc4 Ne6 18.e4 (18.h3 g5+–) 18...Bg4 19.f3 Bd4 20.Bd4 (better 20.Kh1 Bb2 21.Qb2+–) 20...Qd4+= 21.Kh1 Nc5 22.Bf7 Kh8? (better 22...Kg7 23.Qa2 Red8+=) 23.Qc4+– Qc4 24.Nc4 (24.Bc4?! Bd7=) 24...Rf8 25.Ne5 (25.fg4?! Rf7 26.Kg1 Kg8=) 25...Bc8 26.Rac1 Na4 (26...Nd7 27.Nd7 Rf7 28.e5+–) 27.Rc7 Nb6? (better 27...Kg7 28.Bb3 Nb6+–) 28.Re7 Kg7 (28...a5 29.Rd6 Nd7 30.Nd7 Bd7 31.Rdd7 Rfd8 32.Rd8 Rd8+–) 29.Rd6 Nd7 (29...Be6 30.Rde6 Nc8 31.Rd7+–) 30.Be8 (30.Bg6 Kh8 31.Rh7 Kg8 32.Ng4 Rf7 33.Nh6 Kf8 34.Rf7 Ke8 35.Rfd7 Kf8 36.Rf6) 30...Kh6 (30...Kg8 31.Bd7 Rd8+–) 31.Bd7 (31.Red7?! Bd7 32.Bd7 a5+–) 31...Bd7 32.Rdd7 b5 33.h4 (33.h4 Rf7 34.Rf7 Rh8 35.Ng4 Kh5 36.Rh7 Rh7 37.Rh7) 1–0. Du Pont,D (2070) – Dgebuadze,Marie (1610), Brasschaat Open, 2017. (=1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.e3 g6 5.Be2 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Nbd2 Na6)

8.Be2 Qb6 9.Qb3 Nbd7 10.0-0 (10.a3 Rfd8 11.0-0 Qc7 12.Rac1 Qd6 13.cd5 cd5+= 0.37; 10.Bc3 Ne4 11.0-0 c5 12.Ne4 Be4 13.cd5 Rfc8+= 0.53; 10.c5 Qc7 11.0-0 b6 12.Nh4 Bg4 13.f3 Be6= 0.12; 10.Nh4 Be6 11.0-0 Qc7 12.Qc2 a5 13.ba5 Ra5= 0.25) 10...Rfe8 (10...a5 11.ba5 Qa5 12.a4 Ra7 13.cd5 Nd5+= 0.34) 11.h3 (11.a4 a5 12.b5 Qc7 13.Rfc1 e6+= 0.53) 11...Rad8 (11...h6 12.Rfc1 a5 13.ba5 Ra5+= 0.37) 12.g4 (12.Nh4 Be6 13.c5 Qc7= 0.25) 12...Be6 13.c5 Qc7 14.Ng5 Nf8 15.f4 Bc8 16.Ngf3 h5 17.Ne5 hg4 18.hg4 N6h7 19.Qc2 (19.Qa3 f6 20.Nd3 b6+=) 19...Be5 (19...Nd7!?=) 20.de5 f5 (20...a5 21.a3+–) 21.g5 (21.Bd3!?+–) 21...Ne6+= 22.Nf3 Nhf8 23.Kg2 b6 24.Bd4 (24.Rh1 Rd7+–) 24...Nd4 (24...bc5 25.bc5 Nd7 26.Rh1+–) 25.Nd4+– Bd7 26.Rh1 Ne6 27.Rh6 Kg7?? (better 27...Nd4 28.ed4 Kg7+–) 28.Rg6!! Kg6 29.Qf5 A double attack 29...Kg7 30.Qe6! (30.Ne6?! Be6 31.Qe6 Rh8+–) 30...Rh8 (30...Be6 31.Ne6 Theme: Double Attack) 31.Nf5 (31.Nf5 Kf8 32.Qe7 Kg8 33.Qg7) 1–0. Djurkovic,M (2125) – Zvan,Z (2210), Ljubljana, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.c4 d5 7.Nbd2 Bf5 8.Be2 Qb6)

8.Be2 dc4 9.Nc4 Nbd7 10.0-0 Nb6 11.a4 Nc4 12.Bc4 Nd5 13.Qb3 Nb6 14.Be2 Be6 15.Qc2 Nd5 16.Ba3 a5 17.b5 cb5 18.Bb5 Rc8 19.Qb2 Nc3 20.Rfc1 Nb5 21.Qb5 Rc1 22.Rc1 (22.Bc1?! Bd5=) 22...Bd5 (22...b6 23.Ne5 Be5 24.Qe5+=) 23.Rc5 (better is 23.Be7!? Qe7 24.Qd5+–) 23...Bc6 24.Qc4 (24.Qa5? b6 25.Qa6 Bf3–+) 24...Qb6 25.Nd2 e6 26.e4 (better is 26.Qc2!? Rc8 27.Nc4+=) 26...Rd8+= 27.d5 ed5 28.ed5 Bd7 29.g3 Bf8 30.Ne4? (better is 30.Qd4 f5 31.Bb2=) 30...Bh3?? (better is 30...Bc5 31.Bc5 Qb2–/+) 31.Rb5+/– Qa7?? (better is 31...Qc6 32.Qb3 Qc8+/–) 32.Nf6+– Kg7 33.Bb2 Be7 34.Qh4 h5 1–0. Laske,Erich (2120) – Ludwig,Silvia, Wangs Pizol op, 1996. (=1.Nf3 g6 2.d4 Bg7 3.c4 Nf6 4.b4 c6 5.Bb2 0-0 6.e3 d5 7.Nbd2 Bf5 8.Be2)

8.Ne5 Nbd7 9.Ndf3 Ne5 10.Ne5 Nd7 11.Nd7 Qd7 12.c5 b6 13.Bd3 bc5 14.bc5 Rab8 15.Bf5 Qf5 16.Bc3 Rb7 17.0-0 Rfb8 18.h3 Qe4 19.Qd2 e6 20.Rfd1 h5 21.Qd3 (21.Qe2!? e5 22.Qa6 ed4 23.ed4=) 21...Qd3=+ 22.Rd3 Bf8 23.a3 Be7 24.Bb4 Bd8 25.g4 hg4 26.hg4 a5 27.Bd2 Rb2 28.Kg2 Rc2 29.Kg3 Rbb2 30.Be1 Bg5 (30...Bc7 31.f4=+) 31.Rc3 Rc3 (better 31...Re2=+) 32.Bc3+/- Rb3 33.Ba5 f5 (33...Bf6 34.Kg2+/-) 34.gf5 ef5 35.Bc7 Bf6 36.a4?? (better 36.Kg2+-) 36...Bd4= 37.Bb6?? (37.Ra2 Bc5 38.Rc2 Ba7 39.Rc6 d4 40.Rg6 Kf7=) 37...g5 (better 37...Ba1 38.a5 Ra3 39.Kf3-+) 38.a5?? (better 38.Rd1 Bc3 39.Kg2=) 38...Be5 39.Kf3 g4 40.Kg2 Ba1 41.a6 Ra3 42.a7 Kf7 43.Kg3 (43.Kf1 Ra2 44.Ke1 d4-+) 43...Ke6 44.Kf4 (44.f3 Be5 45.Kg2 Ra2 46.Kf1 gf3-+) 44...Be5 45.Kg5 Bf6 46.Kf4 Bg7 (better 46...Bh4!? 47.a8R Ra8 48.e4 de4 49.Ke3-+) 47.Kg5 (47.Bc7 d4 48.a8Q Ra8 49.ed4 Bd4-+) 47...Ke5 (better 47...d4!? 48.ed4 Bf6 49.Kg6-+) 48.Kg6 Bf6 49.Kf7 Bh4 50.Kg6 (50.Bc7 Ke4 51.Ke6 Bf2-+) 50…Bf2 0-1. D31283 (1800) - msda (1820), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.e3 0-0 5.Nbd2 d5 6.b4 c6 7.Bb2 Bf5)

9.Qb3 dc4 10.Bc4 Nb6 11.Be2 Nbd5 (11...Be6 12.Qa3=) 12.Nc4 Ne4 13.Bd3 Nd6 (13...e6 14.0-0=) 14.Ba3 (14.Bf5 gf5 (14...Nf5? 15.e4+–) 15.Rc1 f4=) 14...Bd3= 15.Qd3 Nc4 16.Qc4 Nb6 (16...Re8 17.0-0=) 17.Qc2 Qd5 18.0-0 Qc4 19.Qd1 (19.Qc4 Nc4 20.Rfc1 b5=) 19...Rfd8 20.Nd2 (20.a5 Nd7=) 20...Qd3 (20...Qd5 21.a5 Nd7 22.f4=) 21.a5 (21.b5 e5 (21...cb5?! 22.Be7 Re8 23.a5=) 22.bc6 bc6+=) 21...Nc4 ½–½. Stefanova,Antoaneta (2530) – Lin,Yi (2400), 7. HD Bank Cup, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

9.Qb3 dc4 10.Nc4 Rc8 11.Rc1 b6 12.Nce5 Ne5 13.Ne5 Be6 14.Bc4 Bd5 15.0-0 Qd6 16.b5 cb5 17.ab5 Bc4 18.Rc4 Qe6 19.Rfc1 Ne4 20.Qd3 Rc4 21.Qc4 Qf5 22.f3 Nd6 23.Qd5 Be5 (better is 23...Qe6!? 24.Qe6 fe6=) 24.de5+/– Qg5 25.Bd4 Nf5 26.f4 Qg4 27.Kf2 e6 28.Qf3 Qh4 29.Kg1 Rd8 30.g3 (30.Bc3!?+=) 30...Qe7+= 31.Rc4 Qa3 32.Qe4 (32.Qe2!?=) 32...Qb3–/+ 33.Rc7? (33.Qc2 Qb5 34.Ra4 a6–/+) 33...Qb5?? (better is 33...Qd1 34.Kg2 Qe2 35.Kh3 Nd4 36.Qd4 Rd4 37.ed4 Qf1 38.Kg4 h5 39.Kg5 Kg7–+) 34.Ra7+= Rd5 35.Qc2 Nd4 36.Qc7?? (better is 36.ed4 Rd4 37.Kf2–/+) 36...Qb1 (36...Nf3 37.Kf2 Rd2 38.Kf3 Qe2 39.Ke4 Qg2) 37.Kg2–+ Qc2 38.Qc2 Nc2 39.e4 Rd2 40.Kg1 0–1. Djurkovic,Maks (2115) – Navinsek,Thomaz (2310), Ljubljana op, 2003. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.c4 d5 7.Nbd2 Bf5)

9.Qb3 Rc8 10.Be2 b6 (10...dc4 11.Nc4 Be6 12.Qa3=) 11.0-0+= e6 12.cd5 ed5 (12...Nd5? 13.e4+-) 13.Rfc1 c5 14.dc5 bc5 15.bc5 Nc5 16.Qa3 Nce4 17.Ne4 Ne4 18.Bg7 Kg7 19.Nd4 Qf6 20.Bf3 Rc4 (20...Rc1 21.Rc1 Rb8 22.Qa1+=) 21.Qb2 (21.Rc4 dc4 22.g4 Qg5+/-) 21...Rfc8+= 22.h3 (22.Rc4 dc4 23.Rc1 Nd6+=) 22...Nc3= Attacking the isolated pawn on a4 23.Re1 (23.Qd2 Ne4 24.Qe1 Nc3+=) 23...Be4 24.Be2 (24.Bg4!? R8c7 25.f3=) 24...Ne2-/+ (24...Na4 25.Qd2 Rc2 26.Qa5+=) 25.Qe2? (better 25.Re2 Rc2 26.Qb5-/+) 25...Rc2!-+ 26.Nc2 Rc2 27.Qf1 (27.Qc2 Bc2 28.a5-+) 27...Bd3 28.Rac1 (28.Re2 Re2 29.Ra3 Bc4-+) 28…Rc1 (28...Rc1 29.Rc1 Bf1 30.Rf1 d4 31.ed4 Qd4-+) 0-1. Nie,Xinyang (2375) - Chinguun,Sumiya (2215), Belt and Road Hunan Op B, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

8.Qb3 Nbd7 9.Be2 a5 10.cd5 a4 (worse 10...Nd5 11.e4 Be4 12.Ne4 ab4 13.0-0+/-; 10...cd5?! 11.ba5 Qa5 12.0-0= (12.Qb7?? Rfb8 13.Qb3 Rb3 14.ab3 Qd8-+)) 11.Qa3 cd5 12.0-0 Ne8 13.b5 Nd6 14.Bc3 Qb6 15.Qb2 Rfc8 16.Rfc1 Qd8 17.Bb4 Nb6 18.Qa3 Bf8 19.Bd6 Qd6 20.Qd6 ed6 21.Ne1 Bd7 22.Kf1 a3 23.Nd3 Nc4 (23...Bb5 24.Rcb1 Bd3 25.Bd3=) 24.Ke1+= Bb5 25.Nf4 Bc6 26.Nc4 dc4 27.Bc4 Ra5 28.Rab1 Be4 29.Bd3 Rc1 30.Rc1 Bc6 31.g3 Bh6 32.Ne2 Bg5 33.Nc3 Bd8 34.Ke2 Kf8 35.Rb1 b6 36.Be4 d5 37.Bd3 Ke7 38.Kd2 Kd6 39.Bb5 Be7 40.Bf1 Kc7 41.h4 Ra8 42.Bb5 Ra5 43.Bc6 Kc6 44.Kd3 b5 45.Rc1 Kd6 46.e4 de4 47.Ne4 Kd7 48.Nc5 Ke8 49.Nb3 Ra6 (49...Ra7 50.Rc6+=) 50.Rc7 Bf6 (50...Rf6 51.f4+=) 51.f4 (51.Rb7!?+-) 51...Re6+/- 52.Nc5 Rb6 (better 52...Re1!? 53.Ne4 Be7=) 53.Rc8 Bd8 54.Ra8 b4 (54...Rd6+-) 55.Kc4 h6 56.d5 Ke7 57.Ra7 Ke8 58.Nd3 g5 59.hg5 hg5 60.Nb4 (60.Ra8 gf4 61.gf4 Kd7 62.Ne5 Kc7 63.Ra7 Kc8+-) 60...gf4 61.gf4 (61.Ra3 Rb4 62.Kb4 Be7 63.Kb3 Ba3 64.gf4 Bc5-/+) 61...Be7 62.Nd3 Bd6 63.Kd4 (63.f5 Rb8+-) 63...Rb1+/- 64.Ne5 f6 65.Nc4 (65.Ra8 Ke7 66.Nc6 Kf7+-) 65...Bf4? (better 65...Rd1!? 66.Ke4 Bc5+/-) 66.Ra3+- Rd1 67.Ke4 Bc7 68.Ra7 Kd8 69.a4 Kc8 70.Ra8 Kb7 71.Rf8 Ra1 72.d6 (better 72.a5 Ba5 73.Na5 Ra5 74.Rf6+-) 72...Ra4+= 73.Kd5 Rc4 74.Kc4 Bd6 75.Rf6 Bb8 76.Kc5 Bh2 77.Re6 Bg3 78.Kb5 Bh2 79.Rh6 Bf4 80.Rh7 Ka8 81.Rf7 Bh2 82.Kc6 Be5 83.Rb7 Bg3 84.Kb6 Be5 85.Ka6 Bf4 86.Rf7 Bg3 87.Rf8 Bb8 88.Rf2 Be5 89.Re2 Bc7 90.Re6 Bg3 91.Rb6 Bc7 92.Rb7 Bg3 (92...Bf4 93.Rb4 Be5 94.Re4+/-) 93.Kb6 Bf2 (93...Be5 94.Rd7 Bf6+/-) 94.Kc7+/- Bg3 95.Kc8 Bf2 96.Rb3 Bd4 97.Rd3 Bg1 98.Rd2 Be3 99.Re2 Bb6 100.Rb2 Bd4 101.Ra2 Ba7 102.Ra6 ½-½. Winants,L (2510) - Kevlishvili,Robby (2485), TCh-BEL, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5)

9.Be2 a5 10.b5 dc4 11.bc6 Nb6 (11...c3!? 12.Bc3 bc6=) 12.cb7+= Rb8 13.Nc4 Nc4 14.Bc4 Rb7 15.Ba3 Ne4 16.0-0 Nc3 17.Qd2 Na4 (17...Nb1!? 18.Qe2 Qb8+=) 18.Be7!+/- Qe7 (18...Re7 19.Ra4 Discovered attack; 18...Qe7 19.Ra4 Discovered attack) 19.Ra4 Rb4 20.Rb4 (20.Qa2 Rc8 21.Bd5 Ra4 22.Qa4 Qd8+/-) 20...Qb4 (20...ab4 21.Rc1+=) 21.Qb4 (21.Qa2 Bf6+/-) 21...ab4+= 22.Ra1 Rc8 23.Nd2 Be6 (23...Rc7!?+=) 24.Be6+/- fe6 25.Kf1 Rd8 26.f4 e5 27.fe5 Be5 28.h3 (28.de5?! Rd2 29.Rb1 Rd5+=) 28...Bg7 29.Ke2 Re8 (29...Rc8 30.Ra4 Bf8 31.Ra7+-) 30.Kd3+- Bh6 (30...Rf8 31.Rb1 Rf2 32.g4+-) 31.Nc4 Rf8 32.Rb1 Rb8 (32...Rf2 33.g4 Rf3 34.Rb4 Rh3 35.Rb8 Kf7 36.Rb7 Kg8 37.Rb5+-) 33.e4 Bg7 34.e5 1-0. Bunyatov,Rustam (2175) - Reindl,Arno (2050), TCh-GER Junior U20, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 d5 6.d4 0-0 7.Nbd2 Bf5)

9.Be2 a5 10.b5 Ne4 11.0-0 Nd2 12.Nd2 e5 13.bc6 bc6 14.cd5 cd5 15.Bb5 ed4 16.Bd4 Bd4 17.ed4 Rc8 18.Rc1 Nf6 19.Nb3 Rc1 20.Qc1 Ne4 21.Qe1 Nd6 22.Na5+/– Nb5 23.Nc6 Qf6 24.Ne7 Kg7 25.Nf5 gf5 26.ab5 Qd4 27.Qa1 Qa1+= 28.Ra1 Rb8 29.Rb1 Kf6 30.f4 Ke6 31.Kf2+/– Kd6 32.Ke3 Kc5 33.Rc1 Kd6 34.Rc6+– Kd7 35.Rc5 Re8 36.Kd4 Re2 37.Rd5 Kc7 38.Rf5 Rg2 39.Rf7 Kb6 40.Rh7 Kb5 1–0. Dive – Gufeld, London, 1995. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d5 6.e3 Bf5 7.c4 c6)

9.Be2 Ne4 10.0-0 Nd2 11.Qd2 Bg4 12.cd5 cd5 13.a5 Nf6 14.b5 Ne4 15.Qd3 Nd6 16.Qb3 Rc8 17.h3 (17.Qd5? Rc2 18.Ba3 Be6–+) 17...Bf3 18.Bf3 (worse is 18.gf3 Nc4 19.Bc3 e6+=) 18...Nc4 19.Bc3 Qd7 20.Be2 Rc7 21.b6 ab6 22.ab6 Rc6 23.Bc4 Rc4 24.Bb4 Rfc8 25.Ra5 e6 26.Rc5 Bf8 27.Rc8 Qc8 28.Bf8 Qf8 29.Rb1 Qa8 30.Qb2 Qa4 31.Qb3 Qb3 32.Rb3 Kf8 33.g4 g5 34.Kg2 Ke7 35.Kg3 Kd6 36.h4 h6 37.Rb1 f6 (37...Kc6!?=) 38.hg5+= hg5 39.Rh1 Rb4 40.Rh6 Rb6 41.Rf6 Rb1 42.Rg6 b5 43.Rg5 b4 44.Rg8 Kc7 45.Rg7 Kc6 46.Rg8 Kc7 47.Rg7 Kc6 48.Rg8 ½–½. Javakhishvili,L (2450) – Ju Wenjun (2515), 39th Olympiad Women, 2010. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

9.Be2 Ne4 10.0-0 Re8 11.Nb3 dc4 12.Bc4 Nb6 (12...Ndf6 13.Nh4=) 13.Bd3 Nd5 14.Ba3 (14.Nc5!? Nc5 15.bc5 Bd3 16.Qd3+=) 14...Nec3=+ 15.Qc2 Bd3 16.Qd3 Na4 17.e4 Nc7 18.Bc1 Nb6 19.Nc5 Qc8 20.Be3 (20.Bf4 Nb5=) 20...Nd7 21.Rab1 b6 22.Na4 Qa6 23.Qb3 e6 (23...e5 24.Rfd1=+) 24.Rfc1= Qb7 25.Nc3 Rac8 26.e5 f5 27.ef6 Nf6 28.Bf4 Ncd5 29.Be5 Nc3 30.Rc3 Nd5 31.Rc2 Bf8 The isolani on b4 becomes a target 32.Ng5 (32.b5 cb5 33.Qb5 Rc2 34.Qe8 Qc6 35.Qc6 Rc6-+) 32...Bb4 33.h4 Be7 34.Ne4 Rf8 35.Qh3 (35.h5 Qd7-/+ (35...gh5?? 36.Qg3 Kf7 37.Qg7 Ke8 38.Nd6 Bd6 39.Qb7+-)) 35...Qd7 36.Rb3 (36.h5 g5-/+) 36...Rf5-+ 37.Ng3 Nf4 38.Qg4 h5 (38...Re5!? 39.de5 Qd5-/+) 39.Qd1?? (better 39.Nh5 Nh5 40.Qg6 Kf8 41.Rf3 Rf3 42.gf3-/+) 39…Re5!-+ (39...Re5 40.Qd2 Rd8 41.Qf4 Qd4-+) 0-1. Rodshtein,M (2625) - Bai,Jinshi (2615), PRO League Group Stage, 2020. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.d4 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Bf5)

9.Be2 Ne4 10.0-0 Re8 11.Ne4 Be4 12.Nd2 (12.Ng5!?+=) 12...Bf5= 13.Qb3 e5 14.cd5 ed4 15.Nc4 (better is 15.dc6!? bc6 16.Bc4+=) 15...d3+= 16.Bf3 (16.Bd3? cd5 17.Bg7 dc4 18.Bc4 Kg7 19.Bf7 Re7–+) 16...Bb2 17.Qb2 Nb6 18.Nb6 Qb6 (worse is 18...ab6 19.dc6 Rb8 20.cb7+/–) 19.a5 Qb5 20.a6 cd5 21.Ra5 Qb6 22.ab7 Rab8 (worse is 22...Qb7 23.Bd5 Qb6 24.Ba8 Ra8 25.Rc1+–) 23.Bd5 Be4 24.Qd2 Bd5 25.Rd5 Qb7 26.Rd4 Red8 27.Qd3 Rd4 28.Qd4 Qb4 29.Qa7 h5 30.h3 Qb6 31.Qa4 Qb5 32.Qf4 Qb4 33.Qg3 Rd8 34.Kh2 Qd6 35.Qd6 Rd6 36.Kg3 Kg7 37.Rc1 Rd2 38.Rc7 Kf6 39.Kf3 Ra2 40.Rc6 Kg7 41.g3 Rb2 42.Rc4 Ra2 43.e4 Rb2 44.h4 Ra2 45.Ke3 Rb2 46.Rc7 Ra2 47.f3 Ra5 48.Kf4 Ra3 49.Rd7 Kf8 50.Rd5 Kg7 51.g4 hg4 52.Kg4 Ra1 53.h5 gh5 54.Rh5 f6 55.Rb5 Rg1 56.Kf4 Rf1 57.Rb2 Kg6 58.Rg2 Kf7 59.Rg3 Ke6 60.Rh3 Rf2 61.Rh6 Kf7 62.Kg4 Rf1 63.f4 Ra1 64.Rh3 Ra4 65.Re3 Ke6 66.Kf3 Ra1 67.Rb3 Rf1 68.Kg3 Re1 69.Rb6 Kf7 70.Kf3 Ke7 71.Rb7 Kd6 72.f5 Rf1 73.Ke2 Ra1 74.Rb5 Ra3 75.Kf2 Rc3 76.Rd5 Ke7 77.Ke2 Ra3 78.Rd3 Ra1 79.Rb3 Kd6 80.Ke3 Re1 81.Kd4 Rd1 82.Rd3 Ra1 83.Ke3 Ke7 84.Rb3 Re1 85.Kf3 Rf1 86.Ke2 Ra1 87.Rb6 Ra3 88.Kd2 Rf3 89.Re6 Kf7 90.Rd6 Ke7 91.Rd3 Rf2 92.Kc3 Re2 93.Kd4 Ra2 94.Rc3 Rd2 95.Ke3 Rd1 96.Rc7 Kd6? (better is 96...Ke8+/–) 97.Rf7+– Re1 98.Kf3 Rf1?? (better is 98...Ke5 99.Re7 Kd4 100.Rd7 Kc5+–) 99.Ke2+– Ra1 100.Rf6 Ke5 (100...Ke7 101.Rb6+–) 101.Re6 Kd4 (101...Kf4 102.f6 Ra2 103.Kd3+–) 102.f6 Ra7 103.Kf3 Rh7 (103...Ra1 104.Kf4 Rc1 105.Kf5 Rf1 106.Kg6 Rg1 107.Kh6+–) 104.Kg4 Rh1 105.Kf5 Rf1 106.Kg6 Rg1 107.Kf7 1–0. Carlsen,M (2800) – Hammer,J (2585), BNbank Blitz KO, Oslo NOR (1.1), 2009. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5)

9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa4 dc4 13.Bc4 Nc7 14.b5 cb5 15.Bb5 Qd5 16.Be2 Ne4 ½–½. Poenisch,Eckehard (2210) – Kyas,Juergen (2260), Oberliga Ost–A, 2000.

9.a3 dc4 10.Bc4 ab4 11.ab4 Na6 12.Ba3 b5 13.Bb3 e6 14.h3 Ne4 15.Ne4 Be4 16.0-0 Qd6 17.Ng5 Bd5 18.Bd5 cd5 19.Nf3 Rfc8 20.Qd3 Qb6 21.Qd2 Nc7 22.Ne5 Ne8 23.Nd7 Qd8 24.Nc5 Nd6 25.Bb2 Nc4 26.Qe2 h6 27.Bc3 h5 28.Rfe1 Bf6 29.Nb7 Qe8 30.Nc5 Kg7 31.e4 Qh8 32.Qf3 Qd8 33.e5 Bg5 34.Qg3 Bh6 35.h4 Ra1 36.Ra1 Ra8 37.Ra8 Qa8 38.Qf3 Kg8 39.Qd3 Qa3 40.Qc2 Kf8 41.g3 Ke7 42.Kf1 Qc1 43.Qc1 Bc1 44.Ke2 ½–½. Siikaluoma,Auno (2335) – Trubetskoi,Roland (2340), WS/MN/021 ICCF, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 c6 7.Nbd2 Bf5 8.Be2)

9.b5 Nbd7 10.bc6 bc6 11.0-0 a4 12.Ba3 Re8 13.cd5 Nd5 14.Rc1 Qb6? (14...e5 15.Rc6 Re6 16.Rc1+/–) 15.Nc4?? (better is 15.e4+–) 15...Qa7 16.Bd3. Fournier,Frederic – Robeson Christian, Train France (FRA), 2000.

9.b5 dc4 10.Bc4 (10.a4 c3 11.Bc3 Nbd7=) 10...cb5 (10...a4 11.Rc1+=) 11.Bb5= Qb6 (11...Na6 12.0-0=) 12.a4 Rc8 13.0-0 Na6 14.Ba3 Nd5 (14...Nb4 15.Nc4 Qd8 16.Qb3=) 15.Nc4 (15.Qb3 Be6 16.Nc4 Qd8+=) 15...Qd8= 16.Qb3 Nac7 17.Rfc1 Nb5 18.Qb5 Bd3 (18...Rc7 19.Nfd2 Bg4 20.h3+=) 19.Nfd2 Rc7 (19...Be2 20.Qb7 Rab8 21.Qa7=) 20.Qb3+= Bc4 (20...Be2 21.Nd6 ed6 22.Qd5+=) 21.Rc4 e6 22.Rb1 (22.Rc7 Qc7 23.Rc1 Qb6+=) 22...Rac8 23.Rc7 (23.Rbc1 b6+=) 23...Rc7= 24.Nc4 Bf8 25.Bf8 (25.Na5? Rc3 26.Qb7 Ra3–+) 25...Qf8 26.Na5 Attacking the backward pawn on b7 26...Qc8 27.Qd3 Nc3 (27...Rc3 28.Qf1 b6 29.Nb3=) 28.Rf1 (28.Rb4 Ne2 29.Kf1 Nc1=) 28...Na4 29.g3 (29.Ra1 Nb2 30.Qb1 Na4=) 29...Nc3 (29...Qd7 30.Nc4+=) 30.Nb3 b6 31.h4 h5 32.Ra1 Qb7 33.Qa6 (33.Rc1 Qc6=) 33...Qa6 (33...Qc6 34.Qa8 Qa8 35.Ra8 Kg7 36.Nd2=) 34.Ra6 Ne4 35.Ra2 Rc3 (35...Kg7 36.Kg2=) 36.Rb2 (36.Nd2 Nd2 37.Rd2 Rb3=) 36...b5 37.Kg2 Kf8 38.Nd2 Nd2 39.Rd2 Rb3 (39...Rc7 40.Kf3=) 40.Ra2 Ke7 41.Ra7 Kf6 42.Rb7 Rb2 43.Kf3 b4 44.e4 Rb3 45.Kf4 White intends e5 45...Rb2 46.f3 b3 47.e5 Kg7 48.d5 ed5 49.e6 Re2 (49...Kf6 50.ef7 Kg7 51.Ke5=) 50.Rf7 (50.ef7 b2 51.f8Q Kf8–+) 50...Kg8 51.Rb7 b2 52.Kg5 (52.Rb8 Kg7 53.e7 Kf7 54.e8B Re8 55.Rb2 Re7=) 52...Re6 53.Rb2 Kf7 54.Rd2 Re5 55.Kf4 Kf6 56.Ra2 Re6 57.Ra8 Rb6 58.Rf8 Ke7 59.Rg8 Kf6 60.Rf8 Ke7 61.Ra8 Kf6 62.Ra4 Rc6 63.Ra5 Rc4 64.Ke3 Rc3 65.Kf4 Rc4 66.Ke3 Rc3 ½–½. Guo,Qi – Ren,Xiaoyi, Chinese Team Men, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2 a5)

9.b5 Nbd7 10.0-0 Ne4 11.a4 Ndf6 12.Ne4 Ne4 13.Qb3 Bg4 14.Rfc1 (14.Qc2 Rc8=) 14...Qd7 (14...Bf3 15.gf3 Nd2 16.Qa2=) 15.cd5 cd5 16.Qd1 (16.h3 Bf5+=) 16...Bf3 (16...Rfc8 17.h3 Bf5 18.Ne5=) 17.Bf3+= f5 18.Be2 (18.Rc2 Rac8+=) 18...Bh6 (18...f4 19.Qb3=) 19.g3 (19.Ba3 f4 20.Bg4 Qd8+=) 19...Rac8 20.Bd3 Qe6 21.Rc8 Rc8 22.Rc1 Nd6 (22...Rc1 23.Bc1 Qc8 24.Ba3+=) 23.Qd2 (23.Rc8 Nc8 24.Ba3+=) 23...Kf7 (better 23...Rc1!? 24.Qc1 Ne4+=) 24.Qa5+– Nc4 25.Bc4 dc4 26.Qd2 (26.Ba3 b6 27.Qa7 c3+–) 26...Qd5 27.Qe2 (27.b6 Rc6 28.Qb4 e6+–) 27...b6 28.Bc3 Ra8 (28...Bg7 29.f3+–) 29.Ra1 (29.Bd2 c3 30.Rc3 Ra4+–) 29...Bf8 (29...Bg7 30.g4+–) 30.f3 Bg7 31.Kg2 Rc8 32.e4 Qd6 (32...Qd7 33.Qb2+–) 33.Qe3 e5 (33...fe4 34.fe4 Qd7 35.d5 Bc3 36.Qc3+–) 34.d5 f4 35.Qd2 Bf8 (35...Kg8 36.a5+–) 36.gf4 (better 36.Qb2 Qf6 37.a5+– (worse 37.Be5 c3 38.Qc3 Rc3 39.Bf6 Kf6+–)) 36...Qf6?? (better 36...Bh6+–) 37.fe5+– Qh4 (37...Qe7 38.Qf4 Ke8 39.Rd1+–) 38.e6 (38.e6 Ke8 39.d6 Bd6 40.e5+–) 1–0. Moldovan,D (2430) – Barbuleanu,Serban_Ioan (1990), TCh–ROU Superliga (7), 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2 a5)

9.b5 Nbd7 10.bc6 bc6 11.0-0 a4 12.Ba3 Re8 13.cd5 Nd5 14.Rc1 Qb6? (14...e5 15.Rc6 Re6 16.Rc1+/–) 15.Nc4?? (better is 15.e4+–) 15...Qa7 16.Bd3. Fournier,Frederic – Robeson Christian, Train France (FRA), 2000.

9.b5 Nbd7 10.bc6 bc6 11.Ba3 Re8 12.0-0 e5 13.Ne5 Ne5 14.de5 Re5 15.Nf3 Re8 16.Nd4 Bd7 17.Rc1 Ne4 18.cd5 cd5 19.Nb5 Rc8 20.Rc8 (20.Qd5 Bb5 21.Qd8 Red8 22.Rc8 Rc8 23.Bb5 Nc3+=) 20...Qc8 21.Nd6 Nd6 22.Bd6 Qc6 23.Bg3 Bf5 24.h4 (24.Qd2 Bc3 25.Bb5 Qc5= (worse 25...Bd2 26.Bc6 Rc8 27.Bd5+/-)) 24...a4 25.Bd3 Bd7 26.h5 Rc8 27.Bf4 Qe6 28.Qb1 Be5 29.hg6 hg6 30.Be5 Qe5 31.Qb7 Rc7 32.Qb8 Kg7 33.Bb5 Bb5 34.Qb5 a3 35.Qa5 Qd6 36.Qd2 Rc4 37.Rd1 (37.Qd1 Rh4 38.f4 Kg8=) 37...Qc5=+ 38.Qd3 Rc2 39.Qb3 Rc1 (better 39...Rb2!? 40.Rd5 Qc2 41.Qc2 Rc2=+) 40.Rc1= Qc1 41.Kh2 Qb2 42.Qd5 Qf2 43.Qd4 Kh7 44.Qc3?? (better 44.Qc4=) 44...Qa2-+ 45.Qf6 Qe6 46.Qh4 (46.Qd4-+) 46...Kg7 47.Qd4 Qf6 48.Qa4 Qb2 49.e4 a2 50.Qd4 Qd4 (50...Qd4 51.Kg3 Qe3 52.Kg4 a1Q 53.g3 Qe4 54.Kg5 Qae5) 0-1. Antonova,N (2035) - Li,Guohao (1935), SCO National Chess Open, 2018. (=1.Nf3 Nf6 2.d4 d5 3.e3 c6 4.Nbd2 g6 5.b4 Bg7 6.Bb2 Bf5 7.c4 0-0 8.Be2)

10.0-0 Nbd7 11.a4 Nb6 12.Ba3 Ne4 13.Ne4 Be4 14.Nd2+=.

10.0-0 Nbd7 11.a4 Nb6 12.Nb3 Qa7 13.cd5 Nbd5 14.a5 Ne4 15.Qc1 Rfd8 16.Re1 Rac8 17.Ba3 (17.Nfd2 Nd2 18.Qd2 Nf6=) 17...c5 (17...Rc7 18.Nc5 Nd6 19.Bb2+=) 18.Bc5 Nc5 19.Nc5 e5 20.Qa3 ed4 21.ed4 Nf4 22.Bf1 Ne6 Increasing the pressure on the isolated pawn on d4 (22...Bf8 23.Qb3 Bc5 24.dc5+=) 23.Ne6 Be6 24.Qe7 Bd5 (worse is 24...Bd4 25.Nd4 Qd4 26.Qb7+–) 25.a6 Rb8 (25...Ra8 26.Qe3=) 26.Ne5 Re8 27.Qh4 (27.Qc7 Rec8 28.ab7 Rc7 29.Ra7 Rcb7 30.Rb7 Rb7+=) 27...ba6= 28.Ra6 Qc7 29.Raa1 h5 (29...Be5 30.de5 Re5 31.Rac1=) 30.Qg3+= Qd8 31.h3 Rb4 32.Qc3 Rb3 33.Qc5 Bf8 34.Qc2 Rb6 (34...Bb4!? 35.Red1 Qg5=) 35.Bc4+/– Rbe6 36.Qb3 (36.Ra7 R8e7 37.Re7 Re7+/–) 36...Bc4+= 37.Qc4 Bg7 (37...Bd6 38.Ra6+=) 38.Red1 White prepares the advance d5 (38.Ra7 R8e7 39.Rea1 Be5 40.de5 Ra7 (40...Re5?? 41.Ra8 Qa8 42.Ra8 Re8 43.Re8 Re8 44.f4+–) 41.Ra7 Qb8=) 38...Qh4 39.Nf3 Qf4 40.Rac1 Rd6 41.d5 Qf5 42.Qd3 Qd7 43.Rc5 Qa4 44.g3 Bf8 45.Rc4 Qb5 46.Ng5 Re5 (46...f5!?+/–) 47.Ne4+– Rd8 48.Nf6 Kh8 49.Qc3 Bd6? (better is 49...Bg7 50.Qe5 Qc4+–) 50.Ne4 f6 51.Nf6 Rf5 (51...Qb7 52.Nh5! gh5 53.f4+–) 52.Re4 (better is 52.Rc8 Rc8 53.Qc8 Kg7 54.Ne8 Kh7 55.Nd6+–) 52...Qc5 53.Qb2 Rb8 54.Re8?? (better is 54.Re7! Be7 55.Qb8 Kg7 56.Ne4+–) 54...Re8= 55.Ne8 Be5 56.Qd2 Kh7 57.d6 Bg3 Increases the pressure on the backward pawn 58.Rf1?? (58.Rc1 Rf2 59.Nf6 Kg7 60.Rc5 Rd2 61.Nh5 gh5 62.Rg5 Kh6 63.Rg3 Rd6=) 58...Bf4?? (better is 58...Rg5 59.Nf6 Kg7–+) 59.Qe2 (59.d7 Bd2 60.d8Q Bg5 61.Qc7 Be7 62.Qc5 Bc5+=) 59...Bd6 (better is 59...Rg5!? 60.Kh1 Qd5 (60...Bd6?! 61.Nd6 Qd6 62.Re1=) 61.f3 Be5–/+) 60.Nd6= Rg5 61.Kh1 Qd6 62.Re1 Qc6 63.Qe4 ½–½. Dimakiling,O (2400) – Li Chao2 (2720), 5th HD Bank Cup, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5)

10.0-0 Nbd7 11.a4 Ne4 12.Nb3 Qd8=.

10.0-0 Nbd7 11.a4 Ne4 12.cd5 Nd2 13.Nd2 cd5 14.Nb3 Qc7 15.Rc1 Qd8 16.Bb5 Nf6 17.Nc5 Qb8 18.f3 Rd8 (18...b6 19.Nd3=) 19.Qb3+= h5 (19...Bh6!?+=) 20.e4!+– Bc8 (20...de4 21.fe4 Combination) 21.e5 Ne8 (21...Nh7 22.f4+–) 22.Be8 Re8 23.Qd5 e6 24.Qb3 b6 25.Ne4 Bd7 26.Ra1 Rc8 27.g4 (27.Rfb1 Qa7+–) 27...h4 28.Bc1 Bc6 29.Nd6 (29.Bg5 Bd5 30.Qe3 Rc4+–) 29...Rd8+= 30.Be3 Rd6 31.ed6 Qd6 32.Rab1 (better 32.Qb6!? Rb8 33.Qc5 Qc5 34.dc5 Ba1 35.Ra1+–) 32...Bd4= 33.Bd4 Qd4 Increasing the pressure on the isolated pawn on a4 34.Rf2 Ra4 (34...Ra6 35.Qb4 Qd3 36.Rb3=) 35.Qb6+= Qd5 36.h3 Rd4 37.Rc1 (37.Qc7 Qc5=) 37...Bb7 (37...Qd6 38.g5= (worse 38.Qc6 Rd1 39.Rd1 Qc6–/+)) 38.Rb1 Bc6 ½–½. Gelfand,B (2695) – Gupta,Ab (2610), Gibraltar Masters (9), 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6 8.Be2 a5)

10.0-0 Nbd7 11.a4 Ne4 12.Ne4 de4 (12...Be4 13.Nd2=) 13.Nd2+= c5 14.g4 Be6 15.Ne4 cd4 16.ed4 Rfd8 17.Rb1 Nf6 18.Nc5 Bc8 19.Bf3 Ra7 20.Re1 (20.g5 Ne8 21.Re1 b6+/–) 20...Qc7 21.Nd3 (21.Qe2 b6 22.Nb3 Ra4+/–) 21...h6 (21...Qc4 22.Rc1 Qa4 23.Qa4 Ra4 24.Re7 Bg4 25.Bb7=) 22.Rc1 Re8 23.d5 Bd7+= 24.h4 Ra4 25.g5 hg5 26.hg5 Nh7 27.Bg7 Kg7 28.Ne5 Ng5 29.Bg4 e6 30.de6 Bc6 31.Nc6 Qc6+= 32.Qd4 Kg8 33.ef7 Nf7 34.Re8 Qe8 35.Bf3 Qe7 36.Rb1 Qg5 37.Kf1 Qf5 38.Rb6 Qc2 39.Bd5 Qc1 40.Kg2 Qg5 41.Kh2 Qh5 42.Kg3 Ra3 43.f3 Qg5 44.Qg4 Qe5 45.Kh3 Qh8 46.Qh4 Rf3 47.Bf3 Ng5 48.Kg4 Qh4 49.Kh4 Nf3 50.Kg3 Ne5 51.Rb7 Nc4+/– 52.Kf4 Nd6 53.Rb6 Ne8 ½–½. Hobert,Sebastian – Mosley,Gene, 2005.

9.0-0 a5 10.b5 cb5 11.cb5 a4 12.Ba3 Re8 13.Rc1 Ne4 14.Ne4 Be4 15.Qd2 e5 16.de5 Ne5 17.Ne5 Be5 18.Bb2 Qh4 19.Be5 Re5 20.f3 Bf5 21.f4 Re7 22.Qd5 Re3 23.Rc7 Re7 24.Re7 Qe7 25.Bf3 Be6 26.Qb7 Qb7 27.Bb7 Rb8 28.Bc6 Ba2 29.Ra1 Bb3 ½–½. Ree – Lautier, 1990.

9.0-0 a5 10.b5 cb5 11.cb5 Nb6 12.Rc1 Qd6 13.Qb3 Rfc8 14.Ba3 Qe6 (14...Qd8 15.Ne5=) 15.Ne5 (15.Ng5 Qd7+=) 15...Ne4= 16.Ne4 de4 17.Nc4 a4 18.Qb4 Nd5 19.Qd2 Bg4 20.Bg4 Qg4 21.Bc5 Qf5 22.Rb1 h5 23.Nb6 Nb6= 24.Bb6 Qd5 25.Qe2 Rc4 26.Bc5 e5 27.Rbc1 Rc1 28.Rc1 ed4 29.Bd4 Bd4 30.ed4 Qd4+= 31.Qc4 Rd8–/+ 32.g3 Qd2 33.Qc2 e3–+ 34.Qd2 Rd2 35.fe3 Ra2 36.Rc7 Rb2 37.Rc8 Kg7 38.Ra8 Rb5 39.Ra4 Rb2 40.Rf4 b5 41.Rd4 b4 42.Rf4 b3 43.Rb4 Kf6 44.Rb7 Ke5 45.Rf7 Rc2 46.Re7 Kd6 (46...Kd6 47.Rb7 b2–+) 0–1. Inoue,S (2000) – Aplin,C (2020), Kuala Lumpur MAS, 2006. (=1.c4 g6 2.Nf3 Nf6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5 8.Be2)

9.0-0 a5 10.b5 cb5 11.cb5 Ne4 12.Ne4 de4 13.Nd2 h5 14.Qb1 Nf6 15.Rc1 Qd7 16.Rc5 Rfc8 17.Qc2 Qe6 18.Rc1 Kh7 (18...h4 19.a4+/–) 19.a3 Qd7 20.Rc8 Rc8 21.Qc8 Qc8 22.Rc8 Bc8 23.Nc4 Nd5 24.Na5 f5 25.Nc4 f4 26.g3 f3 27.Bd1 Bh6 28.Bc2 Bf5 29.Kf1 h4 (29...Bf8!?+/–) 30.g4! Bg4 (30...Be6 31.Ke1+–) 31.Be4 e6 32.Ne5 Bh3 33.Ke1 Ne3 (33...Kg7+–) 34.fe3 Be3 35.Nf3 Bf4 (35...b6 36.Nh4 Bf5 37.Nf5 ef5 38.Bc6+–) 36.Nh4 Bh2 37.Ng6 1–0. Srienz,Christian (2325) – Mesaros,Florian (2165), Feldkirch AUT, Men Ch, 2013. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6 8.Be2 Nbd7)

9.0-0 a6 10.a4 Re8 (10...Qc7 11.a5=) 11.Qb3 h6 12.Nh4 Be6 13.cd5 (13.f4!?+=) 13...Nd5= 14.e4 (14.Ne4!?=) 14...Nf4–/+ 15.Bc4 Bc4 16.Nc4 Ne2 17.Kh1 Nd4 (17...e5 18.Ng6 Nd4 19.Bd4 ed4 20.Nf4 Re4 21.Nh5–/+) 18.Bd4+= Bd4 19.Rad1 e5 (better is 19...c5!? 20.Qg3 e5+=) 20.Ng6+= b5 (better is 20...Kg7 21.Nf4 Nf6+/–) 21.Na5 (21.Nd6 Re6 22.Nf7 Qe8+/– (22...Kf7 23.f4 Kg6 24.Qe6 Kh7 25.Rd3+–)) 21...Qf6 (21...ba4 22.Qa2 Qf6 23.Ne5 Be5 (worse is 23...Re5 24.Rd4 Ra5 25.Rd7+=) 24.Rd7 Qe6 25.Qe6 Re6–/+ (25...fe6?! 26.Rd3+=)) 22.Qh3 (22.Ne5 Ne5 (worse is 22...Qe5 23.Nc6 ba4 24.Qa4+/–) 23.Rd4 Ng4+=) 22...Qg6 23.Qd7 Qe4 (23...Red8!? 24.Qc6 Rac8 25.Qg6 fg6 26.ab5 ab5=) 24.Nc6+= ba4 25.Rfe1 Qh4? (better is 25...Qf4 26.Rd4 ed4 27.Re8 Re8 28.Qe8 Kg7=) 26.Nd4+– Red8 27.Nf3 Rd7 28.Nh4 Rd1 29.Rd1 Rb8 30.g3 Rb4 31.Rd6 a3? 32.Ra6 Rb3 33.Kg2 h5 34.Nf5 e4 35.Ra4 Rf3 36.Ne3 f5 37.Ra3 Kg7 38.Ra6 f4 39.Nf5 Kg8 40.Nh4 Rc3 41.gf4 Rc2 42.Nf5 Rb2 43.Ra4 Rb5 44.Ng3 1–0. Puraev,A (2180) – Svidinsky,D (2060), St Petersburg RUS, Botvinnik Mem2012, 2012.

9.0-0 Qb6 10.Qb3 a5 11.a3 a4 12.Qa2 Qc7 13.Rac1 Rfd8? (better is 13...dc4 14.Qc4 Nb6=) 14.cd5+– Nb6 15.dc6 bc6 16.b5 Rd6 17.Ne5 Be6 18.Qb1 Bd7 19.bc6 Be6 20.e4 Rb8 21.Qc2 Ne8 22.f4 f5 23.Ba1 fe4 24.Ne4 Bf5 25.Bd3 Rdd8 26.Nc5 Nd5 27.Bf5 gf5 28.Qf5 Be5 29.fe5 Ng7 30.Qf7 Kh8 31.Na6 Qc8 32.Nb8 Qb8 33.c7! Nc7 34.Rc7 Re8 35.Rd7 Rg8 36.d5 (36.d5 Qb6 37.Qf2 Qf2 38.Rf2+–) 1–0. Sufian – Khadijah,Quratain, Telin International Open, 2011. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5 8.Be2)

9.0-0 Qb6 10.Qb3 a5 11.a3 Rfc8 12.Rfc1 ab4 13.ab4 Qd8 14.h3 h6 15.b5 Be6 16.Qb4 Ra1 17.Ra1 Ra8 18.Ra3 Bf8 19.c5 Qb8 20.b6 Ne4 21.Nb3 Bg7 22.Ra5 Qc8 23.Ra8 Qa8 24.Qa3 Qa3 25.Ba3 Nb8 26.Na5 Bc8 27.Bb4 Kf8 28.Bd3 Nf6 29.Ne5 Ke8 30.f4 Nfd7 31.Nf3 f5 32.g4 e6 33.Be1 Bf8 34.Nb3 Be7 35.Kg2 Kf7 36.Bh4 Bh4 37.Nh4 Nf6 38.Nf3 Nfd7 39.Kg3 Kg7 40.Na5 Kf7 41.Bf1 Kg7 42.Be2 Kf7 43.h4 Kg7 44.h5 fg4 45.Kg4 e5 46.Kh4 ef4 47.ef4 gh5 48.Ne5 Nf6 49.Bf1 Ne4 50.Bh3 Bh3 51.Kh3 Nc3 52.Nb7 Ne2 53.Nf3 Kf6 54.Nd6 Nf4 55.Kh4 Kg6 56.Kg3 Ne6 57.Kf2 Kf6 58.Ke3 Ng7 59.Kf4 Ne6= 60.Kg3 Kg7 61.Ne8 Kg6 62.Nc7 Ng5 63.Nh4 Kf6 64.Kf4 Nh3 65.Kg3 Ng5 66.Ne8 Kf7 67.Nd6 Kf8 ½–½. Kempinski,Robert (2595) – Jorczik,J (2380), Bundesliga, 2008.

9.0-0 dc4 10.Nc4 Nb6 11.Na5 Rb8 ½–½. Roy Chowdhury,S (2425) – Macak,S (2470), Sydney Int Open, 2010. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2)

9.0-0 dc4 10.Nc4 Nb6 11.Na5 Rb8 12.a3 Nbd5 13.Rc1 Ne4 14.Nd2 Nd2 15.Qd2 Qd7 16.Rfe1 Rbc8 17.Bf1 Nf6 18.f3 e5 19.e4 Be6 20.Red1 Rfd8 21.Qe1 ed4 22.Bd4 Qc7 23.Qg3 c5 24.Qc7 Rc7 25.Bc5 Rdc8 26.Be3 Nd7 27.Nb7! Bd4 28.Rd4 Rc1 29.Bc1 Rc1 30.Na5 Nb6 31.Kf2 Ra1 32.Rd3 Kg7 33.Rc3 Na4 34.Re3 Nb2 35.Be2 Ra2 36.Kg3 g5 37.b5 h5 38.h4 Kh6? 39.hg5 Kg5 40.f4 Kh6 41.f5 Bd7 42.Nc6 Kg5 43.Na7 h4 44.Kh2 Na4 45.Nc6 Kf4 46.Rf3 Kg5 47.Bc4 Rc2 48.Bb3 (48.Bb3 Rc6 49.bc6 (worse is 49.Ba4 Rc5+–) 49...Bc6 50.Bd5 (worse is 50.Bf7 Be4 51.Rb3 Bf5+–) 50...Bd5 51.ed5+–) 1–0. Carlsen,Magnus (2800) – Vachier Lagrave,M (2700), VI World Blitz, 2010. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2)

9.0-0 dc4 10.Nc4 Nb6 11.Nfe5 Nc4 12.Nc4 (12.Bc4 Qd6+=) 12...Ne4 (12...Nd5 13.Qb3=) 13.a4 Nd6 14.Rc1 Rc8 15.a5 Nc4 16.Bc4 Qd7 17.f3 (17.Qf3 Be6+=) 17...Be6 18.Qb3 Bd5 19.e4 Bc4 20.Qc4 Rfd8 21.Rfd1 e5 22.d5 (22.de5? Qd1 23.Rd1 Rd1 24.Kf2 Rd2 25.Kg3 Rb2–+) 22...cd5 23.Qd5 Qd5 24.Rd5 Rc1 25.Bc1 Rd5 26.ed5 a6 27.Be3 f5 28.Kf2 Kf7 29.Ke2 Ke8 30.Kd3 Ke7 31.Kc4 Kd6 32.Bc5 Kd7 ½–½. Schneider,Karl (2320) – Cotos,Valentin (2310), Champions League, 2007. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2)

9.0-0 dc4 10.Nc4 Nd5 11.Qb3 N5b6 12.Na5 Qc7 13.Rac1 a6 14.Rfd1 Be4 15.a4 Nf6 16.Nd2 Bf5 17.h3 Rfd8 18.Bf3 e5 19.e4 Bd7 20.d5 Rac8 21.dc6 bc6 22.Rc5 Be6 23.Qc2 Nfd7 24.Rc6 Qa7 25.Nf1 Bf8 26.Ba3 Qa8 27.Rc1 Nb8 28.Rc8 Rc8 29.Qd1 Rc1 30.Bc1 Nc6 31.Be3 Nd7 32.Nc6 Qc6 33.Bd2 Nb6 34.a5 Nc4 35.Bc3 Bd6 36.Nd2 Na5 37.Qa1 Nc4 38.Be2 Nd2 39.Bd2 Qe4 40.Qa6 Bb4 41.Bh6 Bf8 42.Bf8 Kf8 43.Qd6 Kg7 44.Bf3 Qb1 45.Kh2 Qb2 46.Kg1 Qa1 47.Qd1 Qc3 48.Qe2 h5 49.h4 Qd4 50.g3 Bc4 51.Qe3 Bd3 52.Kh2 Bf5 53.Kg1 Qb2 54.Kg2 Qd4 55.Kg1 Qd6 56.Kh2 Qe6 57.Kg1 Qd6 58.Kh2 Qd4 59.Kg1 Qe3 60.fe3 Kf6 61.Kf2 Ke6 62.Bc6 Bg4 63.Bb7 f6 64.Bc6 Kd6 65.Be8 g5 66.Ke1 Kc5 67.Bf7 gh4 68.gh4 f5 69.Bg6 Kd5 70.Kf2 Ke4 71.Bh7 Kd3 72.Bg6 e4 73.Bf7 Kd2 (73...Kd2 74.Bc4 f4 75.ef4 e3 76.Kf1 Bh3 77.Kg1 Be6–+) 0–1. Ree,H (2385) – Kleijn,C (2425), TCh–NED Netherlands NED, 2011. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.e3 d5 6.d4 0-0 7.Nbd2 Bf5 8.Be2)

9.0-0 h6 10.Nh4 Be6 11.f4 dc4 12.Nc4 Bd5 13.Bd3 Ne4 14.Qc2 Ndf6 15.Rae1 Rc8 16.Nf3 b6 17.g4 Bc4 18.Bc4 Nd6 19.Bb3 Nfe4 20.Ne5 c5 21.Qg2 c4 22.Bc2 Nf6 23.h4 c3 24.Bc1 Nc4 25.g5 hg5 26.hg5 (worse is 26.Qg5 Nd2–/+) 26...Nd5?? (better is 26...Ne8!?=) 27.Nc4+/– Rc4 28.f5 (28.Bb3 b5+–) 28...Nb4 29.Bb3+/– b5 30.fg6 fg6 31.Rf8 Bf8 32.Rf1 Bg7? 33.Qf3 Qd5 34.e4 Qd4? 35.Kg2+– (35.Kg2 Bf6 36.gf6 ef6 37.Be3+–) 1–0. Khismatullin,Denis (2575) – Das,Arghyadip (2400), Moscow op, 2006. (=1.c4 c6 2.d4 d5 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Nbd2 0-0 7.Bb2 Bf5 8.Be2 Nbd7)

9.a4 Ne4 10.cd5 cd5 11.Qb3 Ndf6 12.Rc1 Qd6 13.h3 Rfc8 14.0-0 Qe6 15.Rfd1 Rc1 16.Rc1 Rc8 17.g4 (17.Rc8 Qc8 18.Ne4 Be4=) 17...Rc1+= 18.Bc1 Bg4 (better is 18...Qc8!? 19.Bb2 Nd2 20.Nd2 Bc2+=) 19.hg4+= Qg4 20.Kf1 Qh3 21.Ke1 Qg2 22.Kd1 Nf2 23.Kc2 (23.Ke1 Qg3=) 23...N2g4 (23...N2e4 24.Kd1+=) 24.Qd3 Bh6 25.Nf1 Ne4 26.Kb3 Ngf2 27.Qc2 Nd6 28.Ne5 Nfe4 29.Bd3 Qc2 30.Kc2 Bg7 31.Nd2 Nf2 32.Be2 (32.Nd7 h5+=) 32...Be5 (32...Nf5 33.Nf1+=) 33.de5= Nde4 (33...Nf5 34.Nb3+=) 34.Bf3 (34.Ne4!? Ne4 35.Bf3=) 34...h5+= 35.Nf1 (35.e6!?+=) 35...h4–/+ 36.Nh2 g5 37.b5 (37.Bd2 e6–/+) 37...Kg7 38.Ba3 e6 39.a5 Kg6 40.a6 ba6 41.ba6 Kf5 42.Bd6 (42.Bh5 g4 43.Be7 h3–+) 42...g4 43.Ng4? (43.Bb8 g3 44.Nf1–+) 43...Ng4 44.Bg2 (44.Bb8 Nc5 45.Ba7 Na6 46.Bg2–+) 44...Ne3 (44...Ne3 45.Kb2 Ng2–+) 0–1. Marques Taltavull,Antonio (2130) – Palomo Teruel,Xavier (2055), Championship CAT, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.d4 d5 6.Nbd2 0-0 7.e3 Bf5 8.Be2 Nbd7)

9.Qb3 dc4 10.Nc4 Nb6 11.0-0 Be6 12.Rfc1 Ne4 13.Qc2 Nc4 14.Bc4.

9.h3 Ne4 10.0-0 Re8 11.Ne4 Be4 12.Nd2 Bf5 13.f3 e5 14.e4 Be6 15.ed5 cd5 16.c5 ed4 17.Nb3?? (better is 17.Bb5+=) 17...d3!–+ 18.Bg7 (18.Qd3 Bb2 Discovered attack; 18.Bd3 Bb2 Discovered attack) 18...de2 (18...Kg7?! 19.Qd3 Ne5 20.Qd4=) 19.Qe2 Kg7 20.Qd2 Ne5 21.Qd4 Qf6 22.Qf2 Rad8 23.Rad1 Bf5 24.Rd4 Nc6 25.Rd2 Nb4 26.Rfd1 Nc6 27.Rd5 Rd5 28.Rd5 Rd8 29.Rd8 Qd8 30.f4 Be6 31.Nd2 Qd4 32.a3 h5 33.Qd4 Nd4 34.Kf1 Nb3 (34...Bd5 35.g3–+) 35.Ne4 (35.Nb3 Bb3 36.g3 Kf6–+) 35...Bd5 36.Nd6 Nc5 37.Nc8 a6 38.g4 hg4 39.hg4 Be6 40.Nd6 Bg4 0–1. Sukhareva,Evgenia (2175) – Gutkin,Boris (2280), Vladimir op, 2009. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.b4 Bg7 6.Bb2 0-0 7.Nbd2 Bf5 8.Be2 Nbd7)

10.a4 a6 11.Ne4 Be4 12.Nd2 (12.Ng5 Nf6+=) 12...Bf5= 13.cd5 cd5 14.Qb3 White intends b5 14...Nf6 15.Rfc1 Qd7 16.b5 a5 17.Rc5 Rfc8 18.Rac1 b6 19.Rc6 Rab8 20.h3 Qd8 21.Nf3 Ne4 22.Rc8 (22.Bd3!?+/-) 22...Rc8= 23.Rc8 Bc8 24.Qc2 Bb7 25.Ne5 Qd6 26.Nc6 e6 27.Qc1 Bf8 28.Bf3 Nf6 29.g3 Nd7 (29...Ne4 30.Kg2=) 30.Kg2 (30.Nd8 Qb8 31.Nb7 Qb7+/-) 30...Nb8 31.Ne5 Nd7? (31...f6 32.Nd3+=) 32.Nd3 (better 32.Ba3! Qa3 33.Qa3 Ba3 34.Nd7+/-) 32...Qb8 33.Ba3 Qc8 34.Qc8 Bc8 35.Bb2 Bb7 36.h4 h5 37.Ne5 Ne5 38.de5 Bc5 39.Bd4 Bd4 40.ed4 Kg7 41.g4 hg4 42.Bg4 f5 43.ef6 Kf6 44.f4 Bc8 45.h5 gh5 46.Bh5 Bd7 47.Kg3 Kf5 48.Kf3?? (48.Bf3 Be8=) 48...Kf6?? (better 48...Bb5 49.Bg4 (49.ab5?? a4-+) 49...Kf6 50.Ke3 (50.ab5 a4-+) 50...Ba4 51.Kd2-+) 49.Kg4?? (better 49.Ke3!?=) 49...e5 (better 49...Bb5 50.Kf3 Ba4-+) 50.Kf3-/+ ed4 51.Ke2 Bf5 52.Kd2 Ke7 53.Be2 Kd6 54.Bf1 Be4 55.Bh3 Kc5 56.Be6 Kd6 57.Bh3 Ke7 58.Bg4 Kf6 59.Bh3 Ke7 60.Bg4 Kd6 (60...Kf7 61.Bd7-/+) 61.Bh3 Kc5 62.Be6 Kb4 (better 62...Bb1 63.Kc1 Bd3-/+) 63.f5= Ka4 64.f6 Bg6 (64...Kb5 65.f7 Ka4 66.f8Q+-) 65.f7 Bf7 66.Bf7 Kb5 67.Bd5 Kc5 68.Bf7 b5 69.Kd3 a4 70.Be8 a3 71.Bf7 b4 72.Bb3 ½-½. Sargissian,G (2685) - Iljiushenok,I (2530), World Blitz, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5 8.Be2)

10.a4 Nd2 11.Nd2 e5 (11...Nf6 12.Rc1=) 12.cd5 cd5 13.de5 Ne5 14.Bd4 (14.Rc1 Qe7 15.Qb3 Rfc8+=) 14...Re8 15.Qb3 Nc4 (15...Rc8 16.Rac1+= (worse is 16.Ba7 Nc6 17.Bb5 Na7 18.Be8 Ba1 19.Bf7 Kf7 20.Ra1 Kg7–/+)) 16.Nc4 Bd4 17.Rad1 (17.ed4 Re2 18.Ne3 Qd6+=) 17...Bg7= (worse is 17...dc4 18.Bc4 Qf6 19.Rd4+/–) 18.Na5 Attacks the isolani on d5 18...Qe7 19.Bb5 Rec8 ½–½. Morovic Fernandez,Ivan (2525) – Darcyl,Tomas (2405), Jorge Szmetan Mem, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2 Nbd7 9.0-0 Ne4)

10.a4 Re8 11.Qb3 Nd2 12.Nd2 e5 (12...Nf6 13.Rac1=) 13.de5 (13.cd5 cd5 14.Qd5 Qe7+=) 13...Ne5+= 14.cd5 Qd5 15.Qd5 cd5 16.Bd4 Rec8 17.Rac1 (17.Nf3!? Nf3 18.Bf3 Bd4 19.ed4+=) 17…Bc2 ½–½. Ezat,Mohamed (2450) – Hifad,Rachid (2300), Tunis TUN, African Ch (m), 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.a4 Re8 11.h3 e5 (11...Ndf6 12.b5=) 12.cd5= cd5 13.Ne5 Ne5 14.de5 Be5 15.Be5 Re5 16.Nf3 Nc3 17.Qd2 Ne2 18.Qe2 Re4 19.Nd4 Bd7 20.b5 Qg5 21.Qf3 Rae8 (21...Rc8!?=) 22.Rac1 Rh4 (22...Qe5!?+=) 23.Qg3+/- Qh5 24.Rc7 (better 24.Rc5 Ree4 25.Nf3 Rh3 26.gh3 Bh3 27.Rd5 Qd5 28.Qh3+/-) 24...Bg4?? (24...Bh3 25.Qf3 (25.gh3 Rh3 26.Qg2 Rh4-+) 25...Qf3 A) 26.gf3? Re5 (26...Bf1?! 27.Kf1 Rb8 28.Kg2-+) 27.Ne2 Bf1 28.Kf1 Ra4-+; B) 26.Nf3+=) 25.Rb7?? (better 25.Qf4 Rf8 26.Qd6 (26.Rb7? Bh3 27.Qh4 Qh4 28.gh3 Qh3 29.Ra7 Re8-+) 26...Bh3 27.gh3 Rh3 28.f3 Rh1 29.Kf2 Rh2 30.Ke1 Qh4 31.Kd1+/-) 25...Re5?? (better 25...Bh3 26.Qf3 Qf3 27.Nf3 Rg4+/-) 26.f4+- Re4 27.hg4 Rh1 (27...Rg4 28.Qf3 Qh4 29.Ra7+-) 28.Kf2 Rf1 29.Kf1 Qh1 30.Kf2 Qd1 (30...Re8+-) 31.Qf3 (31.Qf3 Qd2 32.Qe2+-; 31.Rb8 Re8 32.Re8 Kg7 33.Nf5 gf5 34.gf5 Qg4 35.Qg4 Kf6 36.Qg5) 1-0. Arat,Uf (2360) - Baltaci,Ismail Tarik (2010), Turkish Cup, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6 8.Be2)

10.a4 Re8 11.Nh4 Nd6 (11...Nd2 12.Qd2 Be6 13.c5+=) 12.Nf5 (12.c5 e5 13.Nf5 Nf5 14.de5 Ne5=) 12...gf5 (12...Nf5 13.a5+=) 13.c5 (13.Qc2 Nf6+/–) 13...Ne4 14.f3 Nd2 (14...Ng5 15.f4 Ne4 16.Ne4 fe4 17.Qe1+=) 15.Qd2 e6 16.b5 (16.a5 Qf6+/–) 16...Kh8 (16...e5 17.Bd3 f4 18.e4+=) 17.a5 a6 18.bc6 bc6 19.Rfb1 (19.Rab1 Qf6+/–) 19...Qf6 20.f4 Reb8 (20...Qg6 21.Ra4+/–) 21.Ba3 Qd8 22.Bd3 Rb1 (22...Qc7 23.Rb8 Rb8 24.Bb4+/–) 23.Rb1 Rb8 (23...Qc7+/–) 24.Rb6 (24.Bb4!?+/–) 24...Nb6+= 25.cb6 Qc8 (25...Bf8 26.Bf8 Qf8 27.Qc3+=) 26.Qc1 (26.Qb4!?+/–) 26...Qb7= 27.Bd6 (27.Qf1 Ra8=) 27...Rg8 (27...Ra8 28.Qf1=) 28.Bc2 Bf8 29.Be5 (29.Bc7 c5 30.dc5 A) 30...Bc5? 31.Be5 Rg7 32.Bf5+– (32.Bg7?! Kg7 33.Bf5 Bd6 34.Qb2 Kg8+–); B) 30...d4 31.Be5 Bg7 32.Bg7 Rg7+/–) 29...Bg7= 30.Ba4 Attacking the backward pawn on c6 30...Be5 31.fe5 Rc8 32.Qc5 Kg7 33.Kf2 Kg8 34.Ke2 Kg7 (34...h6 35.Kf1=) 35.Kd2 f6 (35...h6 36.Kd1=) 36.Qd6 fe5 (36...Kf7 37.Bd1 Rf8 38.Bh5 Kg8 39.Qe6 Kg7 40.Be8 (40.Qf5?! Qe7+/–) 40...fe5 41.Qe5 Kg8 42.Qe6 Kh8 43.Bc6+–) 37.Qe5 (37.Qe6 e4+=) 37...Kf7 38.Qf4 (38.g4 fg4 39.Qh5 Kf8 40.Qh6 Kg8 41.Qe6 Kg7 42.Qg4 Kh8+/–) 38...c5 (better is 38...Qe7 39.Bc2 Rg8+=) 39.Qh6+= Kg8? (better is 39...Rg8 40.Qh7 Rg7 41.Qh5 Kf6 42.Qh4 Kf7 43.dc5 Rg2 44.Kd3 Qb8+/–) 40.Qe6+– Kh8 41.Bd7 Rf8 (41...Rg8 42.dc5 Rg2 43.Kd3 Qa8 44.Qe5 Rg7+–) 42.Qe5 (42.Qe5 Kg8 43.Be6 Rf7 44.Qc7 Qc7 45.bc7 cd4 46.c8Q Kg7 47.Bf7 de3 48.Ke3 f4 49.Kf4 h6 50.Bd5 h5 51.Kg5 h4 52.Qg8) 1–0. Aubry,Yannis (2010) – Ollier,Milan (2115), St–Lo FRA, Open, 2010. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.e3 d5 7.Nbd2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.Qb3 a5 11.a3 Bg4 12.Qd3 Ndf6 13.c5 Qc7 14.h3 Bf5 15.Qb3 g5 16.Ne4 Ne4 17.Bd3 Bf6 18.Qc2 Kh8 19.Ne5 Be5 20.de5 e6 21.g4 Bg6 22.Kg2 ab4 23.ab4 Ra1 24.Ba1 Ra8+/– 25.Bb2 Ra2 26.Ra1 Ra1+/– 27.Ba1 b6 28.f3 bc5+= 29.fe4 c4= 30.ed5 cd3 31.Qc5 Kg7 32.d6+= Qb7 33.Bc3 Qa6 34.Qd4 Qa2 35.Bb2?? Be4–+ 36.Kg3 Qb1 37.Qe4 Qe1 38.Kg2 Qe2 39.Kg3 d2 (39...d2 40.Qd4 d1Q 41.Qd1 Qd1–+) 0–1. Gukhvat,P (2260) – Greenfeld,A (2555), TCh–ISR, Israel ISR, 2010. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Be2 Bf5 8.Bb2)

10.Qb3 Nd2 11.Nd2 dc4 12.Nc4 Be6 13.Qc2 Bc4 (13...Nb6 14.Na5 Qc7 15.Rfc1=) 14.Bc4 (14.Qc4 a5+=) 14...e6 15.a4 a6 (15...Nb6 16.Be2+=) 16.a5 Nf6 17.e4 Ne8 18.Rfd1 Nc7 19.Qb3 ½–½. Levin,Felix (2500) – Pogan,Nikolas (2300), 22. Stuttgart Open, 2017. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.Nb3 b6 11.Rc1 a5 12.ba5 ba5 13.cd5 cd5 14.Ba3 a4 15.Nbd2 Re8 16.Ne4 Be4 17.Bb5 e5 18.de5 Bf3 19.Qf3 Ne5 20.Qe2 Re6 21.Rfd1 Rb8 22.h3 Reb6 23.Rc5 Rd6 24.f4 Nc4 25.Bc4 dc4 26.Rd6 Qd6 27.Rc8!! Rc8 28.Bd6 c3 29.Qa6 Rd8 30.Qb6 Bf6 31.Ba3 Kg7 32.Qc5 Kh6 (32...h6 33.Bb4 Kg8 34.Kh2+–) 33.Bb4 Rd3 (33...Rd1 34.Kh2 Rd2 35.Qf8 Bg7 36.Qf7 Rd8 37.Be7 Ra8 38.Bg5 Kh5 39.g4) 34.Kf2 1–0. Mikhalchishin,Adrian (2515) – Balcerak,Jakob (2250), BL2–West, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.Nb3 dc4 11.Bc4 Nb6 12.Bd3 Na4 13.Qc2 Nb2 14.Qb2 Nd6 15.Bf5 Nf5 16.a4 e6 17.Rac1 Nh4 18.Ne1 Qe7 19.Nd3 Rfd8 20.Rfd1 Rac8 21.g3 Nf5 22.Qc3 Nd6 23.Na5 Ne4 24.Qc2 h5 25.Kg2 Kh7 26.Qb1 Nd6 27.Rd2 Ne4 28.Rdc2 e5 29.Ne5 Be5 30.de5 Qe5 31.Nb7 Nd2 32.Rc5 Qb8 33.Qc2 Qb7–/+ 34.Rd1 Qb4 35.Rh5 Kg8?? 36.Rh4+= Qa5 37.Qb2 Qd5 38.e4 Qd4 39.Rd2 Qb2 40.Rb2 c5 41.e5 c4 42.Rc2 c3 43.Re4 Rd2 44.Rd2+/– cd2 45.Rd4 Rc4 46.Rd2 Ra4 47.f4 Kf8 48.h4 Ke7 49.Kh3 a5 50.Kg4 Ra3 51.Rh2 a4+= 52.h5 gh5 53.Rh5 Re3 54.Rh6 a3 55.Ra6 Rb3 56.f5+– Kf8 57.Kf4 Kg7 58.Ra7 Kf8 59.g4 Ke8 60.Kg5 Rh3 61.Kf6 Rh6 62.Kg7 Rh3 63.e6 fe6 64.f6 (64.f6 Kd8 65.f7+–; 64.fe6?! Rd3+–) 1–0. Plaskett,Jim (2470) – Pritchett,Craig William (2395), Troon, 1984. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2)

10.Rc1 a5 11.b5 cb5 12.cb5 Nb6 13.Ne4 de4 14.Nd2 e5 (better 14...h5!?=) 15.de5+/- Qe7 (15...h5!?+/-) 16.Bd4 Nd7 17.Nc4 (17.g4!? Be6 18.Ne4 Ne5+-) 17...Be6 (17...Rfd8 18.Qc2 Ne5 19.Qc3 Rd4 20.ed4 (20.Qd4?? Nf3 21.gf3 Bd4 22.ed4 Bh3-+) 20...Nc4 21.Qc4+=) 18.Qc2+/- Bd5 19.Rfd1 Rfc8 (19...Rac8 20.Bb2 Bc4 21.Bc4+=) 20.Bb2 Nb6?? (better 20...Qe6 21.Qd2 Bc4 22.Bc4 Rc4 23.Rc4 Qc4 24.Qd7 Rb8+-) 21.Nb6+- Rc2 22.Rc2 Rd8 (22...Be5 23.Be5 (worse 23.Nd5 Qe6+-) 23...Qe5 24.Na8+-) 23.Nd5 (23.Rd5!? Rf8+-) 23...Qe6 24.Rcd2 Rc8 (24...Rf8+-) 25.Bg4! Qg4 26.Ne7 Kf8 27.Nc8 (27.Nc8 Qc8 28.Rd8 Qd8 29.Rd8 Ke7 30.Rb8+-) 1-0. Geshko,Aleksey (2175) - Bogaudinov,R (2135), RSHSH Master Cup Oct, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2)

10.Rc1 a5 11.b5 Nd2 12.Qd2 cb5 13.cb5 Nf6 14.Ba3 Re8 15.Qb2 Nd7 16.Nh4 Be6 17.f4 Bf6 18.Nf3 Bf5 19.Ne5 Be5 (19...Rc8 20.Rc8 Qc8 21.b6 Be5 22.fe5+=) 20.de5 Be4 21.Qd4 e6 (21...Nf8 22.Bg4+/–) 22.Rc3 Qb6 (22...Rc8 23.Rc8 Qc8 24.Rc1+/–) 23.Rfc1 Qd4 24.ed4 Nb6 25.Rc7 Rab8 26.Bc5 (26.Bd6!? Rec8+–) 26...Na8+/– 27.Rd7 Rec8 28.Re1 b6 29.Bd6 Rd8 30.Rc1 h6 31.Rd8 Rd8 32.Be7 Re8 33.Bf6 Kf8 34.Rc3 Rb8 (34...Kg8 35.Kf1+–) 35.Rh3 Ke8 36.Rh6 Kd7 37.Rh7 Rf8 38.Bg7 (38.Bg5 Ke8+–) 38...Rg8 (38...Rc8 39.Rh8+/–) 39.Bh6+– Ke8 40.Bg5 Nc7 41.h4 (41.Bd1 Na8+–) 41...Bc2 42.Kf2 Ba4 43.h5 gh5 44.Bh5 Rf8 45.Ke3 Bc2 46.Rh6 Rg8 47.g4 Kf8 48.Kd2 Be4 49.Rf6 Bg6 50.Bg6 Rg6 51.Rg6 fg6 52.a4 Ke8 53.Ke3 Kd7 54.Kf3 Ke8 55.Kg3 Kd7 56.Kf3 Ke8 57.Bh4 Kf7 58.Be1 Ke7 59.Kg3 Kf7 60.Kh4 1–0. Chatalbashev,Boris (2570) – Hunt,Adam C (2450), Karposh Open, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.Rc1 Ndf6 11.a4 (11.Ne4 Ne4 12.Nd2 Qd6=) 11...a5 (11...Qd6 12.c5 Qc7 13.Ne4 Ne4 14.Nd2=) 12.b5= Nd2 13.Nd2 Ne4 (13...cb5 14.cb5 Qd7 15.Qb3=) 14.Nb3 (14.cd5 cd5 15.Ne4 de4+=) 14...cb5 15.cb5 (15.f3 Nd6 16.cb5 Rc8=) 15...b6 (15...Rc8 16.f3 Rc1 17.Qc1=) 16.Bf3 (16.Nd2 Rc8=) 16...Nf6 (16...Rc8 17.Nd2+=) 17.Ba3 (17.Rc6 Bd7=) 17...Re8 (17...Qd7 18.Rc6 Rfc8 A) 19.Rb6? Bc2 20.Nc5 Rc5 (20...Bd1?! 21.Nd7 Nd7 22.Rb7 Ba4 23.Be7+=) 21.dc5 Bd1 22.Rd1 Qc7–+; B) 19.Qc1+=) 18.Be2 (18.Rc6 Rc8=) 18...Bf8 (18...Rc8!?=) 19.Nd2 Rc8 20.Qb3 Be6 21.Rc8 Qc8 22.Rc1 Qb7 23.Nf3 Ne4 24.Ne5 (24.Bd3+=) 24...f6 (24...Bg7!?=) 25.Rc6+/– Nd6 (25...Bf5 26.g4 fe5 27.gf5 e6 28.fe6 Ba3 29.Qa3 Qb8+–) 26.Bd6 ed6 27.Nd3 Bd7 28.Qd5 Kg7 (better is 28...Be6 29.Qf3 Bf5+–) 29.Rd6?? (better is 29.Nf4+–) 29...Qd5+= 30.Rd5 Be6 31.Nf4 Bd5 32.Nd5 Rb8 33.Kf1 Bb4 34.Bc4 f5 (34...Bd6 35.e4+=) 35.Ke2+/– Bd6 36.h3 Rb7 (36...Kh6 37.f3+=) 37.f3 g5 (37...Kf8 38.e4+/–) 38.Bd3 (38.e4!? fe4 39.fe4 Bh2+–) 38...f4 39.e4 Be7 (39...Ba3 40.Bc4+/–) 40.e5 Bd8 (40...Rd7 41.Bc4+/–) 41.Be4 (41.Bf5 Kf7+–) 41...Ra7 (41...Rd7 42.Kd3+–) 42.Kd3 h6 (42...Rd7 43.Kc4+–) 43.Bf5 Kf8 44.Bc8 Ra8 (44...Re7 45.Ne7 Be7 46.Ke4+–) 45.Bd7 Rb8?! (45...Ra7 46.e6 Rd7 47.ed7+–) 46.Ke4 Be7 47.Kf5 Ba3 (47...Rb7 48.Ke6 Ba3+–) 48.Kg6 Rb7 (48...h5 49.Kh5 Bb2 50.e6 Bd4 51.e7 Kf7 52.Kg5+–) 49.e6 Be7 50.Kh6 Bd8 51.Kg6 Ra7 (51...Rb8 52.Kf5 Be7 53.Ke5+–) 52.Kf5 Kg7 (52...Ra8 53.Ke5 Be7 54.Nb6+–) 53.Ke5 Kf8 (53...Ra8 54.e7 Be7 55.Ne7+–) 54.Kd6 White prepares e7 54...Rb7 (54...g4 55.hg4 Ra8 56.e7 Be7 57.Ne7+–) 55.e7 Be7 56.Ne7 Kf7 57.Nd5 Rb8 (57...g4 58.hg4 Kg6 59.Kc6+–) 58.Kc7 (58.Kc7 Rh8 59.Kb6+–) 1–0. Stoyanov,Viktor (1950) – Rayner,Francis (2070), Hastings Masters, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.cd5 Nd2 11.Qd2 cd5 12.Rac1=.

10.cd5 cd5 11.Qb3 e6 (11...Ndf6!?+=) 12.h3+= g5 (12...Rc8 13.Rac1 Qe7 14.g4+–) 13.Ne4 Be4 14.Nd2 Bg6 15.Rac1 Nf6 16.Rc5 b6 (16...Rc8!?+=) 17.Rc6+/– h5 18.b5 Re8 19.Ba3 Bf8 20.Rfc1 Ba3 21.Qa3 Qe7 22.Qa4 (22.Qb3 g4+/–) 22...g4 23.Rc7 Qf8 24.h4 (24.hg4 hg4 25.Nf1 Qh6 26.Ra7 Ra7 27.Qa7 Kg7+=) 24...Re7 25.Nf1 (25.R7c6!?+/–) 25...Rc7+= 26.Rc7 Qb8 27.Rc6 Ne4 28.Qb4 Qd8 29.g3 Qf6 30.Qe1 Qe7 31.a4 (31.Nd2!?+=) 31...Qa3+= 32.Bd1 Qa1 33.Kg2 Bf5 34.Nh2 Kg7 35.Kf1 Qb2 36.Qe2 Qb1 37.Kg2 Nf6 38.Nf1 Be4 39.Kg1 Bf3 40.Bc2 Qa1 41.Qd2 Rd8 42.e4!+/– Nh7 43.e5 Be4 44.Bd1 Rd7 45.Rc1 Qa3 46.Ne3 Qe7 47.Ng2 Bg2 48.Kg2 Rc7 49.Bc2?? Nf8 50.Bd3 Rc1 51.Qc1 f6 52.ef6 Qf6 53.Qg5 Qg5= 54.hg5 Nh7 55.Bh7 Kh7 56.f4 Kg6 ½–½. De Saboya E Silva,J Freder (2175) – Costa,F De Souza (2030), Fortaleza BRA, Fred Saboya Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.cd5 cd5 11.Ne4 de4 12.Nd2 Qb6+=.

10.cd5 cd5 11.Ne4 Be4 12.Nd2 Bf5 13.Rc1 Qb6 14.Qb3 Rfd8 (14...Rac8!?=) 15.Qd5+= e5 (15...Qb4 16.Bc3 Qa3 17.Qb7+/–) 16.Qb3 (16.Nc4 Qb4 17.Bc3 Qe7+=) 16...ed4+= 17.ed4 Bd4 18.Nc4 Qf6 19.Bd4 Qd4 20.Rfd1 Qf6 21.Nd6 (21.Qf3 Ne5 22.Qb7 Rab8 23.Qa7 Nc6+/–) 21...Be6 22.Bc4 (22.Qa3 Nb6 23.Bf3 Bd5 24.Nb7 Nc4 25.Rc4 Bb7+=) 22...Bc4+= 23.Rc4 Qe6 (23...Nb6!? 24.Rc7 Qe6 25.Qe6 fe6+=) 24.Nb7+/– Re8 25.h3 Nb6 26.Rc7 Qb3 27.ab3 Kf8 28.Na5 Rec8 29.Rb7 Rcb8 30.Rb8 Rb8 31.Nc6 Rb7 32.b5 Rc7 33.Rd8 (33.Ra1 Nc8+/–) 33...Kg7 34.b4 Nc8 35.Kf1 Kf6 36.Ke2 Ke6 37.Re8 Kd7 38.Rd8 Ke6 39.Kd3 Nd6 40.Nd4 Ke7 41.Ra8 (41.Rb8 Rd7 42.Nc6 Kf6+=) 41...Kd7 (41...Kf6 42.Rb8 Rd7 43.Ke2+=) 42.g4 Rb7 43.Rh8 Nb5 44.Rh7 Nd6 45.Nc2 a5 46.ba5 Ra7 47.Ke2 (47.h4 Ra5 48.h5 gh5 49.Rh5 Ra2+/–) 47...Ra5+= 48.Kf3 Ke6 49.Ne3 Ra8 50.h4 Rg8 51.h5 gh5 (51...Ne8 52.Kf4+/–) 52.Rh5 (52.gh5 Rb8+/–) 52...f6 53.Ra5 Rg5 54.Ra6 Ke7 55.Kf4 Rb5 56.Ra4 Rc5 57.f3 Ke6 58.Ra6 Ke7 59.Kg3 Rb5 60.Ra7 Ke8 61.Nc2 Rd5 62.Nb4 Rb5 63.Nc6 Rc5 64.Nd4 Re5 65.Kf4 Rc5 66.Ne6 Rc4 67.Kg3 Nc8 68.Rb7 Ne7 69.f4 Nd5 70.Kf3 Ne7 71.f5 (71.Rc7 Ra4+/–) 71...Nc6 72.Kg3 (72.g5 fg5 73.Ke3 Rb4 74.Rb4 Nb4 75.Ng5 Nd5 76.Kd4 Ne7=) 72...Ne5+= The backward pawn on g4 becomes a target 73.Rg7 (73.Nf4 Ra4+=) 73...Rc3= 74.Kg2 Rc2 75.Kg3 Rc3 76.Kf2 Rc4 77.Kg3 (77.g5 fg5 78.Rg5 Nf7=) 77...Rc3 78.Kh4 Nf3 79.Kh5 Ne5 80.Rg8 Kf7 81.Rg7 Ke8 82.Nc7 Kf8 83.Ne6 ½–½. Beradze,Irakli (2440) – Maghsoodloo,Parham (2575), World Junior Open, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2 Nbd7 9.0-0 Ne4)

10.Ne4 de4 11.Nd2 h5 12.Qc2 Nf6 13.a4 White prepares the advance b5 13...Qd7 14.b5 Rad8 15.Nb3 Bg4 (15...Qc7 16.Rfd1+=) 16.Nc5+/– Qc8 (16...Qc7 17.Ne4 Ne4 18.Bg4 Nf2 19.Bh5 (worse is 19.Qf2 hg4 20.Ba3 g3 21.hg3 Rd7+/–; 19.Rf2?! hg4 20.bc6 g3 21.hg3 bc6+=) 19...Nh3 20.gh3 gh5 21.Rf5+–) 17.Bg4+– Ng4 18.Ne4 (18.Qe4 b6 19.Na6 c5 20.Qe7 Rd7+/–) 18...Qc7+/– 19.g3 h4 20.Qe2 Nf6 21.Nf6 Bf6 22.Rfd1 White intends d5 22...Kg7 23.d5 cd5 24.Bf6 ef6 25.cd5 Rh8 26.Rd4 Rh5 27.Rad1 hg3 28.hg3 Rdh8 29.Qf3 Rh2 30.d6 Qd7 31.Kf1 Rh1 (31...f5 32.Ke2 Rc8 33.Qf4 Rc2 34.R1d2 Rd2 35.Rd2+–) 32.Ke2+– Rd1 33.Rd1 Rh5 34.Rd4 Rc5 35.Qe4 Re5 (35...Rc1 36.g4 Kf8 37.Rc4 Rc4 38.Qc4 Qd6 39.Qc8 Kg7 40.Qb7+–) 36.Qg4 (36.Qc2!? Re8+–) 36...f5 37.Qf4 Re6 38.g4 fg4 39.Qg4 a6 40.b6 (40.ba6 ba6 41.Kd1 f5+–) 40...f5 (40...Qd8!?+/–) 41.Qf4 a5?? (better is 41...Kg8+–) 42.Rc4 Qd6 43.Rc7 Kf6 44.Qh4 Ke5 45.f4 Kd5 46.Qh1 Re4 47.Qd1 (47.Qd1 Ke6 48.Qb3 Qd5 49.Re7 Kf6 50.Qd5 Re7 51.Qa5+–; 47.Rb7 Qf4 48.Qd1 Kc5 49.Qc1 Kb4+/–) 1–0. Anton,Teodor (2415) – Dragomirescu,Calin (2175), Campionatul National Individual Masculi, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

10.Ne4 de4 11.Nd2 h5 12.Qc2 Nf6 13.a4 White prepares b5 13...h4 14.b5 Qc7 15.Rfc1 g5 16.f3 h3 (better is 16...ef3!? 17.Qf5 fe2 18.Qg5 Qa5+=) 17.Ne4+/– Ne4 18.fe4 Bh7 19.Bd3 White intends d5 19...Qd7 20.Rf1 e6 (20...c5 21.e5 Bd3 22.Qd3 hg2+/–) 21.Ba3 Rfd8 22.Rad1 (22.gh3?! Bd4 23.Rae1 cb5 24.cb5 Rac8=) 22...e5 23.d5 Qg4 24.Be7 (24.bc6!? bc6 25.Qf2 Rd7+–) 24...Rd7 25.d6 c5 26.Rf2 Qe6 27.Be2 Bg6 28.Rdf1 hg2 29.Rg2 Re7 30.de7 Qe7 31.Bg4 Rd8 32.Bf5 Bh5 33.Rd2 Rd6 34.Rff2 Bh6 (34...a6 35.Rd6 Qd6 36.Rd2+–) 35.Rd6 Qd6 36.Qd2 (better is 36.Rd2!? Qf6+–) 36...Qc7 37.h3 Kg7 38.Kg2 f6? (38...Kg8 39.Kg3+–) 39.Qc3 (39.Qd3!? Bf7+–) 39...Be8 40.Rd2 Qf7? (40...Qe7+–) 41.Rd8 1–0. Arat,Uf (2405) – Buyukasik,D (2070), TCh–TUR Super League, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 Bf5 7.c4 c6 8.Be2 Nbd7 9.0-0 Ne4)

10.Nh4 Nd2 11.Qd2 Be6 12.c5 f5 13.f4 Nf6 14.Nf3 Ne4 15.Qc2 ½–½. Petersen,Nils (2100) – Paaske,Asger, Koge op, 1997. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.d4 d5 7.Nbd2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

11.Nd2 Bf5 12.Qb3 Be6 13.a4 a6 14.c5 f6 15.b5 Bf7 16.Qc2 e5 17.Nb3 e4 18.Bc3 f5 19.Rfb1 Be6 20.Na5 ab5 21.Nb7 Qc7 22.Nd6 ba4 23.Rb7 Qd8 24.Ra4 f4 25.ef4 Rf4 26.Bd2 Rf8 27.Be3 Nf6 28.Qa2 Ng4 29.Bg4 Bg4 30.h3 Be6 31.Ra8 Qa8 32.Qa8 Ra8 33.Re7 Bf5 34.g4 Bf8 35.Rc7 Be6 36.Rc6 Bd6 37.Rd6 Kf7 38.g5 Ra7 39.Kg2 Ke7 40.Bf4 Ra3 41.h4 Bh3 42.Kh2 Be6 43.Be3 Ra8 44.Rb6 Bd7 45.Bf4 Rc8 46.Rd6 Be6 47.Be5 Ra8 48.Rb6 Bf7 49.Bf6 Kf8 50.Rd6 Rb8 51.Rd7 Rb2 52.Kg3 Rb3 53.Kg2 Be6 54.Rh7 Bh3 55.Kh2 Bf5 56.c6 Rc3 57.c7 Kg8 58.Rg7 Kf8 59.Rh7 Kg8 60.Rh8 Kf7 61.Be5 Rc2 62.Kg1 Bg4 63.Bf4 Ke7 64.Rd8 Be6 65.Be5 Rc1 66.Kg2 Rc2 67.Bd6 Kf7 68.Rf8 Kg7 69.Rf6 Bg4 70.Kg3 Bc8 71.Be5 Rc3 72.Rf3 (72.Rf3 Kg8 73.Rc3+–) 1–0. Guramishvili,S (2325) – Romsdal,T (2130), 3rd International Open, 2011. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

11.Nd2 Bf5 12.Qb3 Nf6 13.a4 White plans b5 13...Ne4 14.Rfd1 Rc8 15.b5 Qa5 16.Ne4 Be4 17.c5 Qd8 18.a5 cb5 19.Qb5 a6 20.Qb4 (worse 20.Qb7 Rb8 21.Qa6 Rb2=+) 20...Re8 21.Bd3 (worse 21.Qb7 Rb8 22.Qa6 Rb2=+) 21...Bd3 22.Rd3 Rc7 23.Qb6 Qd7 24.Rb1 e5 (24...Rec8 25.Rb3+=) 25.de5+/- Be5 26.Be5 Re5 27.h3 Qc6 (27...Qe7 28.Rc1+=) 28.Qc6 Rc6 (28...bc6? 29.Rb6+-) 29.f4 Re4 30.Rd5 Rc7 31.Kf2 Ra4 32.c6 bc6 33.Rc5 Ra2 34.Kf3 Ra3 35.Rbc1 (35.Rb6 Re7+/-) 35...Rb7 36.R1c3 Ra2 (36...Rc3 37.Rc3 Rb5 38.Rc6 Ra5 39.g4=) 37.Rc2 (37.e4 h5+=) 37...Ra3 38.R2c3 Ra2 39.Rc2 Ra3 40.R2c3 ½-½. Triapishko,Alexandr (2510) - Murzin,Volodar (2500), 74th ch-RUS HL, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

11.Nd2 Bf5 12.Rc1=.

11.Nd2 Nf6 12.Qb3 White plans b5 (12.Ne4 Ne4 13.cd5 cd5 14.f3=) 12...e6 (12...Bf5 13.Rac1=) 13.a4 White prepares the advance b5 (13.f3!? dc4 14.Qc4+/–) 13...dc4 (13...Bf5 14.f3 h5 15.Bd3=) 14.Bc4 Bd5 15.b5 Rc8 16.Rfc1 Qd7 17.Ba3 Rfd8 18.h3 Ne4 19.Ne4 (19.bc6 bc6 20.Ne4 Be4=) 19...Be4 20.a5 (20.f3 Bd5=) 20...cb5 (20...e5!? 21.bc6 A) 21...Rc6 22.f3 Bf3 23.gf3 Qh3 24.Bf7 Kh8 25.Rc6 (25.Qb7 Qg3 26.Kh1 Qf3 27.Kh2 Rc2 28.Rc2 Qb7–+) 25...Qg3 26.Kf1 Qf3 27.Ke1 bc6 28.Be7=; B) 21...bc6 22.de5 Be5=) 21.Bb5+= Qd5 (21...Bc6 22.Rc5+=) 22.Qd5 Bd5 (22...Rd5?? 23.Rc8 Bf8 24.Bf8+–; worse is 22...ed5 23.Be7 Rc1 24.Rc1+/–) 23.Bd7 (23.Be7 Rc1 24.Rc1 Ra8+=) 23...Rc4 (23...Rc1 24.Rc1 Bd4 25.ed4 Rd7 26.Rc8 Kg7 27.Bc5=) 24.Bb5 Rc1 (24...Rcc8 25.Be7 Rc1 26.Rc1+=) 25.Rc1+= (worse is 25.Bc1 e5 26.Bb2 ed4 27.Bd4 Bd4 28.ed4 a6+=) 25...Bf8 26.Bf8 Kf8 27.Rc7 h5 (27...Rd6 28.a6 Rb6 29.Bd3=) 28.f3+/– a6 29.Ba4 (29.Bd7 f5+/–) 29...Rb8+= 30.e4 Ba2 31.Rc2 Bb1 32.Rb2 (32.Rd2 Rc8+=) 32...Bd3 33.Bc6 Attacks the backward pawn on b7 33...b5 34.ab6 Ke7 35.Kf2 Kd6 36.Ba4 Rb7? (36...Bb5 37.e5 Kc6 38.Bb3=) 37.Ke3?? (37.e5 Ke7 38.Bc6 Rb8+–) 37...Bc4? (37...Bb5 38.Bb5 Rb6 39.e5 Ke7 40.Ra2 ab5 41.Kd2=) 38.g4?? (better is 38.e5 Ke7 39.Bc6+–) 38...hg4 (38...Bb5 39.e5 Kc6 40.Bb3+=) 39.hg4 (39.e5 Ke7 40.Bc6 Rb8 41.fg4 Bb5+/–) 39...Bb5+= 40.e5 Kc6 41.Bc2 Kb6 42.Be4 Rc7 43.Kf4 Rc8 (43...Rc4 44.Ke3=) 44.Kg5+= Rg8?? (better is 44...Rd8 45.Kf6 Rd7+=) 45.Kf6+– Rf8 (45...Rd8 46.Kf7 Rd4 47.Ke6+–) 46.Ke7 Rh8 (46...Rb8 47.Kf7 Kc7 48.Rc2 Kd7 49.g5+–) 47.Kf7 Rd8 48.Rd2 Be8 (48...Bc4 49.Bg6 a5+–) 49.Ke7 Rb8 50.Rb2 Kc7 (50...Bb5 51.Bg6 Rc8 52.Ke6 Rd8+–) 51.Rb8 (51.Rb8 Kb8 52.Ke8+–) 1–0. Shabanov,Nurlan – Guluzade,Narmin, Zira – Rapid Open, 2016. (=1.Nf3 d5 2.b4 g6 3.Bb2 Nf6 4.e3 Bg7 5.c4 c6 6.d4 0-0 7.Nbd2 Bf5 8.Be2 Nbd7 9.0-0 Ne4)

11.Ng5 e6 12.Ne4+/– de4 13.f3 ef3 14.Bf3 e5 15.Qb3 f5 16.c5 Kh8 17.d5 e4 18.Bg7 Kg7 19.Be2 cd5 20.Qd5 Qc7 21.Rad1 Rad8 22.Qd6 Qd6 23.Rd6 Ne5 24.Rfd1 Rd6 25.Rd6 Kf7 26.Bd1 Ke7 27.Bb3 Nd3 28.a3 a5 29.Rb6+= Rb8 30.Bc4 ab4 31.ab4 Kd7 32.Bd3+/– ed3 33.Rd6 Kc7 34.Rd3 b6 35.cb6 Rb6 36.Rd4 Re6 37.Kf2 Kc6 38.h4 h6 39.Kf3 g5 40.hg5 hg5 41.e4 f4? 42.Rd5+– Rg6 43.b5 (43.b5 Kb6 44.Kg4+–) 1–0. Reefschlaeger,Helmut (2380) – Boewer,Roland (2185), Hessen–ch int 1st, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.e3 d5 7.Nbd2 Bf5 8.Be2)

10.a4 e5 11.de5 Ng4 12.Qb3 Nge5 13.cd5 Nf3 14.Bf3 Bb2 15.Qb2 cd5 16.Bd5 Nb6 17.Bb7 Rb8 18.Bc6 Re6 19.b5 a6 20.Nf3 Nc4 21.Qb3 Na5 22.Qc3 Nc6 23.bc6 Qc7 24.Nd4 Qe5 25.Rac1 Rd6 26.c7 Rc8 27.Qc4 Rd7 28.Qa6 Rdc7 29.Rc7 Rc7 30.Qa8 Kg7 31.Qd8 Be4 32.Rd1 Ra7 33.Nb5 Ra4 34.Nd6 Bc6 35.Qc7 Qd5 36.Ne8 Kf8 37.Nf6 Qd1 0-1. SSAARR (2085) - Nikvol (1840), Rated Blitz game, lichess.org, 2014.

10.Qb3 a6 11.a4 Qb8 (11...e6 12.h3=) 12.b5 (12.cd5 cd5 13.Nh4 Be6+=) 12...ab5 (12...dc4 13.Bc4 e6 14.h3+=) 13.ab5+= Ra1 (13...Qc7 14.c5+=) 14.Ra1 e6 (14...dc4 15.Bc4 e6 16.h3+/–) 15.Qa4 (15.c5 Bg4+/–) 15...Bg4 (15...c5 16.h3+=) 16.Qa7 (16.h3 Bf3 17.Bf3 c5+/–) 16...Ne4+= 17.Bd3 Bf3 18.Nf3 c5 19.Be4 de4 20.Nd2 f5 21.Qb8 Rb8 (21...Nb8? 22.Ra7 b6 23.Rb7+–) 22.Ra7 Kf7 (22...cd4!? 23.Bd4 e5=) 23.Nb3+/– cd4 24.ed4 Ke8 25.Na5 b6 (25...e5 26.d5 b6 27.Nc6+/–) 26.Nc6+– Rc8 27.Ba3 Bf6 28.Kf1 h5 29.Ke2 f4 (better is 29...g5!?+/–) 30.Bd6+– g5 (30...Bg7 31.Bf4 Bd4 32.Nd4+–) 31.h4 (31.g3!? e3+–) 31...f3 32.gf3 ef3 33.Kf3 gh4 34.c5 Bd8?? (34...bc5 35.dc5 e5 36.Ke4+–) 35.Ra1 (better is 35.Nd8 Rd8 36.c6 h3 37.Rd7 Rd7 38.cd7 Kd7+–) 35...Kf7?? (better is 35...Bf6+–) 36.Ra7 Ke8 37.Ra1 (better is 37.Nd8 Rd8 38.c6 Nf6+–) 37...Kf7 38.Ra7?? (better is 38.Nd8 Rd8 39.Ra7 bc5 40.dc5+–) 38...Ke8 1–0. Shabanov,Nurlan – Mammadov,Zaur, Zira – Rapid Open, 2016. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.d4 0-0 7.Nbd2 Bf5 8.Be2 Nbd7)

10.Qb3 h6 11.a4 Be6 12.Rfd1 dc4 13.Bc4 Bc4 14.Nc4 Nb6 15.Na5 Rb8 16.Qc2 Nfd5 17.Qd2 Nf6 18.Ne5 Ne4 19.Qc2 Nd6 20.Qb3 e6 21.Qc2 Qg5 22.Nd3 Nf5 23.Qe2 Nd7 24.f4 Qd8 25.Kh1 Qh4 26.Kg1 Qd8 27.Ne5 Ne5 28.fe5 Qg5 29.Rd3 h5 30.Nc4 Bf8 31.Bc3 Red8 32.Nd2 Bh6 33.Ne4 Qe7 34.Rf1 Bg7 35.Rdd1 Qh4 36.Qf3 Qg4 37.Qg4 hg4 38.Kf2 Kf8 39.Ke2 Bh6 40.Rd3 Kg7 41.Nf6 g3 42.h3 Nh4 43.Rg1 Nf5 44.Kf3 Ne7 45.e4 Bg5 46.Kg3 Bf6 47.ef6 Kf6 48.d5 Kg5 49.d6 Ng8 50.e5 Rd7 51.Rf1 Ne7 52.Bd2 Kh5 53.Kh2 Ng8 54.h4 Nh6 55.Kh3 Ng4 56.Rg3 f5 57.ef6 Rd6 58.Bg5 Nh6? 59.Bf4 Nf7 60.Bd6 Nd6 61.f7 Nf5 62.Rd3 Kh6 63.g4 Kg7 64.gf5 gf5 65.Rd7 Kf6 66.Rg1 Rf8 67.h5 f4 68.Rg6 Kf5 69.Rg8 1–0. Pregarac,V (2130) – Skok,J (2015), 17th HIT Open A, 2012.

10.c5 Ne4 11.Ne4 Be4 12.Ng5 Nf6 13.f3 Bf5 14.g4 Bc8 15.f4 h6 16.Nh3 h5 17.Nf2 Ng4 18.Ng4 Bg4 19.Bg4 hg4 20.Qg4 e6 21.a4 Qf6 22.Bc3 Qe7 23.b5 Bf6 24.Be1 Kg7 25.Bg3 Rh8 26.Rab1 Bh4 27.Kg2 Rh5 28.Rh1 Rah8 29.Qe2 Qf6 30.Qg4 Bg3 31.hg3 (worse is 31.Qg3 Qf5 32.bc6 Qc2 33.Kf3 bc6–+) 31...Rh1 32.Rh1 Rh1 33.Kh1 Qf5 34.Qf5 gf5 35.Kg2 ½–½. Tolonen,Leo (2345) – Hokkanen,Petri (2230), Toijala op, 1996. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Nbd2 Bf5 8.Be2 Nbd7)

10.cd5 cd5 (worse is 10...Nd5 11.e4 Be4 12.Ne4 Nb4 13.Qb3+–) 11.Rc1 a5 12.b5 a4 13.Nh4 Be6 14.Qc2 Bg4 15.Nhf3 a3 16.Bc3 b6 17.h3 Bf3 18.Nf3 e6 19.Qb3 Bf8 20.Bb4 Bb4 21.Qb4 Qe7 22.Qb3 (22.Qe7 Re7 23.Rc6 h6+/–) 22...Ra7 (22...Rac8 23.Rc6+=) 23.Rc6+/– Nb8 24.Rc2 (24.Rb6?! Nfd7 25.Rb8 Rb8=) 24...Rc7 25.Rfc1 (25.Rc7 Qc7 26.Qa3 Rc8+/–) 25...Rec8 (25...Rc2 26.Qc2 Nbd7 27.Qb3+=) 26.Rc7 Rc7 27.Rc7 Qc7 28.Qa3 Nbd7 29.Bd3 Kg7 30.Qb2 Qa7 31.Kf1 Qa4 32.Ke2 Ne8 33.Nd2 (33.Qc2 Qc2 34.Bc2 Nd6+/–) 33...Nef6 34.Qb3 Qa7 35.a4 e5 36.de5 Ne5 37.Qb4 Ned7 38.Nb3 Qc7 39.a5 ba5 40.Qa5 (40.Na5 Qh2 41.b6 Qg2+/–) 40...Qh2+= 41.g3 Qh3 42.Qb4 (42.Qa1 Qg4 43.Kd2 Qf3+=) 42...Qe6 (42...Qh5!? 43.Ke1 Ne5+=) 43.Qd4+= h5 44.Qf4 Qg4 45.Qg4 Ng4 46.e4 de4 47.Be4 Kf6 48.f4 Ke6 49.Bf3 Ngf6 50.Kd3 Ne8 51.Bc6 Nd6 52.Nd4 Ke7 53.Bd5 ½–½. Villegas,P (2255) – De Jong,JW (2420), 1st Alghero Open, 2011. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.Bb2 c6 7.c4 Bf5 8.Be2)

9.0-0 a5 10.ba5 Qa5 11.Ne4 Be4 12.Ng5+=.

9.Ne4 Be4 10.0-0 Bf3 11.Bf3 dc4 12.Qc2 Nd7 13.Qc4 e5 14.Rfd1 ed4 15.Bd4 Qe7 16.b5 Ne5 17.Be5 Be5 18.bc6 bc6 19.Rac1 Rac8 20.Bc6 Rfd8 21.Rd8 Qd8 22.g3 Kg7 23.Kg2 Qd6 24.Qe4 Rc7 25.a4 a5 26.Rc4 Bf6 27.Qc2 Rc8 28.e4 Be7 (28...Rb8 29.Bd5 Rb2 30.Qc1+/–) 29.Qb2 Bf6 30.Qb5 Rc7 31.h3 h6 32.Bd5 Rc4 33.Qc4 Qd7 34.Qb5 (34.f4 Ba1+–) 34...Qc7 (34...Qb5!? 35.ab5 Bd4+/–) 35.Bb3 g5 36.Qd5 Bc3 37.Kf3 Be5 38.Ke2 Bc3 39.Qa8 (39.Qf5 Bd4+/–) 39...Be5 (39...Qb6 40.Bc2 Qb2+=) 40.Bc4?? (40.g4 Bf4+/–) 40...Bc3 (40...Qc4 41.Kf3 Qa4 42.Qd5–+) 41.Kf3?? (41.Qd5 Be5+/–) 41...Be5 (better is 41...Qc4!? 42.Qe8 Qd3 43.Kg2–+) 42.Kg2?? (42.Qd5 h5+/–) 42...Bf6?? (better is 42...Qc4 43.Qd5 Qd5 44.ed5 Kf6–+) 43.Bb3 Be5 44.Kh2?? (44.Qa6 Bd4+/–) 44...Bf6?? (better is 44...Qb6 45.Kg2 Qb3 46.Qa5 Bd4–+) 45.Kg2 Bc3 (45...Be5 46.Qe8 Bd4 47.Bd5+/–) 46.f4 (better is 46.Qa6+/–) 46...Kf6?? (better is 46...gf4 47.g4 f3 48.Kf3 Qh2=) 47.Kf3 (better is 47.Qh8!? Ke7 48.Qh7 gf4 49.Qf7 Kd8 50.Qf8 Kd7 51.gf4 Qc6+–) 47...gf4 48.gf4 Bd2 49.Kg4?? (better is 49.e5 Kg7 50.Qd5+–) 49...Ke7 (49...Qf4 50.Kh5 Qg5) 50.e5= f6?? (better is 50...Qb6 51.Bc2 Qg1 52.Kh5 Bf4 53.Qb7 Kf8 54.Qc8 Kg7=) 51.e6 (better is 51.ef6 Kd7 52.Qe4+–) 51...Bc1 (51...Qf4 52.Kh5 Qg5) 52.Kf5?? (better is 52.Qe4 h5 53.Kh5 Bf4 54.Qh7 Kd6 55.Qc7 Kc7 56.Kg6+–) 52...Bd2 (better is 52...Qf4 53.Kg6 Qg3 54.Kh7 Qb3 55.Qa5 Ke6 56.Qa6 Ke5 57.Qa5 Ke4 58.Qa8 Kf4–+) 53.Ke4 ½–½. Moradiabadi,Elshan (2600) – Nyzhnyk,Illya (2620), College Final Four, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2 Ne4)

10.Qd2 h6 11.a4 a6 12.Rfc1 e6 13.Ba3 Re8 14.b5 ab5 15.ab5 Nd7 16.bc6 bc6 17.cd5 cd5 18.Bb5 Bf8 19.Bf8 Ra1 20.Ra1 Rf8 21.Bd7 Qd7 22.Ne5 Qc7 23.Rc1 Qb7 24.h3 Rc8 25.Rc8 Qc8 26.Qb2 g5 27.Qa3 f6 28.Nf3 Qc7 29.Nd2 Kg7 30.Nf1 h5 31.Ng3 Bg6 32.Ne2 h4 33.Nc3 Be8 34.Qb4 Kf7 35.Qa3 Bd7 36.Qb4 Be8 37.Qa3 Bd7 38.Qb4 Be8 ½-½. Salinas Herrera,P (2510) - Hernandez Guerrero,G (2560), Iberoamericano Chess24, 2020. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5)

10.Nd2 a5 11.b5 cb5 12.cb5 a4 13.Ba3 Re8 14.f4 Qb6 15.Rc1 Qe6 16.Rc3 Rc8 17.Rc8 Qc8 18.Kf2 (worse 18.Be7 Qe6 19.Bh4 Qe3 20.Kh1 Qd4–/+ (20...Bd4 21.Bf2 Qc3 22.Nb1 Bb1 23.Bd4+–)) 18...Nd7 (18...Qd8 19.Bb4=) 19.g4 Be6 (19...Qc3 20.Qc1 (worse 20.Be7 Re8–/+) 20...Bc2 21.Nb1+=) 20.Be7+= Nf6 21.h3 Qc7 22.Bb4 Bd7 23.Qc1 Qd8 24.Qa3 Qe8 25.Rc1 (25.Qd3!?+=) 25...Bb5= 26.g5 Nh5 (26...Ne4 27.Ne4 de4 28.Bb5 Qb5 29.Rc7=) 27.Bb5 (27.Bg4 f5 28.Bh5 gh5+=) 27...Qb5= 28.Nf3 Qd7 29.Kg2 Re8 30.Bd6 f6 31.Qc5 (31.Rc7 Qb5 32.Rc2 b6=) 31...Qe6 (better 31...Re3!? 32.Qc8 Qc8 33.Rc8 Kf7–/+) 32.gf6 Bf6 33.Be5 Be5 (33...Qd7 34.Bf6 Nf6 35.Ne5+=) 34.de5 d4 35.Nd4 Qa2 36.Rc2 Qb1 (36...Qf7!?+=) 37.Qc4+– Kg7 (37...Kh8!?+–) 38.Qa4+– Re7 39.Qa3 Rd7?? (better 39...Re8+–) 40.e6 Rd4 (40...Qc2 41.Nc2 Rc7+–) 41.Qe7 (41.Rc7 Rd7 42.Rd7 Kh6 43.Qf8 Ng7 44.Qg7 Kh5 45.Qh7) 41...Kh6+– 42.Qg5 Kg7 43.Rc7 Kg8 44.Rc8 (44.ed4?! Qe4 45.Kh2 Qe2 46.Qg2 Qg2 47.Kg2 Nf4 48.Kf3 Ne6+–) 44...Kg7 45.Qe5 (45.ed4?! Qe4 46.Kh2 Qe2 47.Qg2 Qe6 48.Rc7 Kg8 49.Rb7 Nf4+–) 45...Kh6 46.ed4 (46.Qd4?! Qa2 47.Kg1 Ng3+–) 46...Qb2 47.Kf3 Qb3 48.Qe3 Qd5 49.Ke2 (49.Kf2 Qa2 50.Kg1 Qb1 51.Rc1 Qf5+–) 49...Qa2? (49...Qe6 50.Qe6 Nf4 51.Kd1 Ne6+–) 50.Kd1 (50.Ke1 Qa5 51.Kf2 Qa2 52.Kg1 Qb1 53.Rc1 Qf5+–) 50...Qa4 (50...Qa1 51.Rc1 Qa4 52.Ke1 Qa5 53.Kf2+–) 51.Rc2 (51.Ke1 Qb4 52.Kf2 Qb2 53.Kg1 Qb1 54.Rc1 Qb5+–) 51...Qa1 52.Kd2 Qa5 53.Qc3 (53.Ke2!? Ng7 54.e7 Ne8+–) 53...Qd5 54.e7 Nf6 (54...Qg2 55.Kc1 Qe4 56.Qc5 Nf4 57.Qd6 Qe1 58.Kb2 Nd3 59.Kb3+–) 55.Qe3 Qa5 (55...Qg2 56.Kc3 Qc6 57.Kd3 Qb5 58.Kd2 Qa5 59.Ke2 Qb5 60.Kf2+–) 56.Ke2 Qf5 (56...Qb5 57.Kf2 Qd7 58.Re2+–) 57.Rc5 Qb1 (57...Qd7+–) 58.e8Q Ne8 59.Qe8 Qb2 60.Kf3 Qb3 61.Kg4 Qd1 62.Kh4 (62.Kh4 Qd4 63.Qf8 Qg7 64.Qd8+–) 1–0. Khomeriki,N (2255) – Mammadova,Narmin (2205), TCh–TUR 1st League, 2018. (=1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2 Ne4)

10.Nd2 Nd7 11.Qb3 a5 12.ba5 Qa5 13.Bc3 Qa4 (13...Qa6 14.g4 Be6 15.g5=) 14.Qa4 Ra4 15.cd5 cd5 16.Bb5 Raa8 17.Bb4 Bf6 18.Rfc1 Rfc8 19.a4 e5 20.Nf3 ed4 21.Nd4 Bd4 22.ed4 Nf8 23.f3 Bd7 24.Bf8 Bb5 25.ab5 Ra1 26.Ra1 ½–½. Voloshin,L (2380) – Schmidt,Wl (2240), 33rd Gniota Memorial Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 Bf5 7.c4 c6 8.Be2 Ne4)

10.Nd2 Nd7 11.Qb3 dc4 12.Nc4 Nb6 13.Na5 (13.Rfc1 Be6+=) 13...Rb8 (13...Qd7 14.b5=) 14.Bf3 (14.Rfc1 Be4=) 14...Be6 15.Qc2 f5 16.Rfc1 Bd5 17.Bd5 Nd5 18.a3 Qe8 (18...Qd6 19.Rd1=) 19.Nc4 (19.Nb3 Qf7+=) 19...g5 (19...Rd8 20.Ne5=) 20.Ne5+= Rd8 21.Re1 Rd6= 22.e4 fe4 23.Re4 Rdf6 24.f3 Rf5 25.Rae1+= a6 26.Bc1 h6 27.Qc4 Be5 28.de5 e6 29.h4 R8f7 30.Rg4 Rg7 31.Ree4 Qd8 32.Kh1 Qb6 33.Qc2 a5 34.Bd2 ab4 35.ab4 Qb5 36.Qc1 Qd3 37.hg5 hg5= 38.Bg5 Kf7 39.Kh2 Rg8 40.Bf6 Rh5 41.Rh4 Nf6 42.ef6 Qd6 43.Kg1+= Qg3 44.Rhg4 Rg4 45.Rg4 Qh2 46.Kf2 Kf6 47.Qa1 Qe5 48.Qa8 Qb2 49.Kg3 Qe5 50.Kf2 Qb2 ½–½. Bruzon,L (2585) – Garcia Martinez,S (2375), ch–CUB, Las Tunas CUB, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 c6 6.e3 d5 7.Nbd2 Bf5 8.Be2)

10.Nd2 Nd7 11.Qb3 Be6 12.Rfc1 a6 13.a4 White intends b5 13...Nb6 (13...dc4 14.Bc4 (worse 14.Nc4 b5-+) 14...Bc4 15.Nc4+=) 14.c5 Nd7 15.b5 ab5 (15...Bf5 16.Nf1+=) 16.ab5+/- Nf6 17.Ra8 Qa8 18.Ra1 Qc8 19.Ra7 Bd7 20.h3 (20.b6 Bf5+/-) 20...Re8 (20...Qb8 21.b6+/-) 21.bc6 Bc6 22.Bb5 Qb8 (22...Nd7!?+/-) 23.Bc6 bc6 24.Re7! Qa8 (24...Re7 25.Qb8 Deflection (25.Qb8 Overloading)) 25.Re8 (25.Qb7 Rb8 26.Qa8 Ra8+/-) 25...Ne8 26.Nb1 Bf6 27.Nc3 Bd8 (27...Qc8 28.Qd1+/-) 28.e4 de4 29.Ne4 Nf6 30.Nd6 Nd5 31.Qb7 (31.Qf3 Qa7+/-) 31...Qb7 32.Nb7 Bc7 33.Kf1 f5 34.Bc1 Kf7 35.Bd2 Ke6 36.Ke2 Nf6 37.Kd3 Kd5 38.Be1 Nh5 39.g3 Nf6 40.f3 (40.Bd2!?+/-) 40...Nh5= 41.g4 (better 41.f4=) 41...Nf4-/+ 42.Ke3 Nh3 43.Ba5 (43.Bh4 Bh2 44.gf5 Bg1 45.Kd3 gf5-+) 43...Bf4 44.Kd3 Ng5 45.gf5 gf5 46.Bc3 h5 47.Na5 (47.Nd6 h4 48.Ke2 h3-+) 47...h4 48.Ke2 h3 49.Kf2 h2 50.Kg2 Nf3! 51.Ba1 (51.Kf3 h1Q Combination) 51...Ne1 (51...Nd4?! 52.Bd4 Bc7 53.Nc6 Kc6 54.Bf2-+) 52.Kh1 Nd3 53.Kg2 Nf2!! 54.Kf2 (54.Kf2 h1Q Combination) 54...h1Q 55.Nb3 (55.Bc3 Qh2 56.Kf3 Qg3 57.Ke2 Qe3 58.Kf1 Bg3 59.Be1 Qe1 60.Kg2 Qf2 61.Kh3 Qh2) 55...Qh2 56.Kf3 (56.Ke1 Qg1 57.Ke2 Qe3 58.Kf1 Bg3 59.Kg2 Qf2 60.Kh3 Qh2) 56...Qg3 57.Ke2 Qb3 (57...Qe3 58.Kf1 Bg3 59.Kg2 Qf2 60.Kh3 Qh2) 58.Kf1 (58.Bc3 Qc3 59.Kf1 Qf3 60.Ke1 Qe3 61.Kf1 Bg3 62.Kg2 Qf2 63.Kh3 Qh2) 58...Qc2 (58...Qh3 59.Kf2 Qe3 60.Kg2 Qe2 61.Kg1 Be3 62.Kh1 Qf1 63.Kh2 Bf4) 59.Bc3 Be3 60.Bd2 Ke4 (60...Qd2?!) 61.Ke2 (61.Be3 Ke3 62.Kg1 Kf3 63.d5 Qg2) 61...Qd2 62.Kf1 Qf2 0-1. Bluebaum,M (2670) - Sapunov,E (2460), Titled Tuesday, 2021. (=1.d4 Nf6 2.Nd2 d5 3.Ngf3 g6 4.e3 Bg7 5.b4 0-0 6.Bb2 Bf5 7.c4 c6)

10.Nd2 Nd7 11.cd5 cd5 12.Rc1 Qb8 13.Qa4 Rd8 14.b5 Nf6 15.Ba3 Bf8 16.Bb4 Bg4 17.Bg4 Ng4 18.Nf3 Nf6 19.Qa3 e6 20.Bf8 Rf8 21.Qe7 Qd8 22.Rc7 Qe7 23.Re7 b6 24.a4 a6 25.Ne5 ab5 26.ab5 Ra5 27.f3 Rb5 28.Rc1 Rb2 29.h4 b5 30.Rcc7 b4 31.Nf7 (31.Rf7?! Rf7 32.Rf7 Ne8=) 31...b3 32.Nh6 Kh8 33.Rb7 Rb1 34.Kh2 b2 35.Kg3 Nh5 36.Kg4 Nf6 37.Kg5 Rg1 38.Rb2 Ng8 39.Ng8 Kg8 (39...Rf5 40.Kg4 Kg8 41.Rb8 Rf8 42.Rbb7+–) 40.Kh6 (40.Kh6 Rc8 41.Rg7 Kf8 42.Rbb7 Rh1 43.g3 Rh4 44.gh4 e5 45.Kh7 Rc7 46.Rb8 Rc8 47.Rc8) 1–0. Kurajica,Bojan (2530) – Kovacevic,Blazimir (2490), CRO–chT Sibenik, 2005. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 c6 7.Nbd2 Bf5)

10.a4 Ndf6 11.Nb3 (11.Ne5 Nd2 12.Qd2 a5+=) 11...dc4= 12.Bc4 Nd5 13.b5 (13.Qe1 e6=) 13...Rc8 14.Rc1 c5 (14...Nb6 15.Na5 Nc4 16.Nc4 cb5 17.ab5=+) 15.Ne5 (15.Qe2 Nb6 16.dc5 Bb2 17.Qb2 Na4+=) 15...Be5 (15...cd4 A) 16.Nd4? Be5 17.Bd5 Rc1 (17...Qd5?! 18.Nf5 Bh2 19.Kh2 Qf5 20.Qd4=+) 18.Bf7 Rf7 19.Qc1 Qd5-+; B) 16.ed4 Nb6 17.a5 Nc4 18.Nc4 Qd5-/+; C) 16.Qd4?! Nb6 17.Bd3 Qd4 18.Bd4 Na4=+; D) 16.Bd4 Be5 17.Be5=) 16.de5 Nb6 17.Qe2 Na4 18.Ba1 (18.Rfd1!? Qe8 19.f3=) 18...Nb6= 19.f3 Ng5 20.Rfd1 Qc7 (20...Qe8 21.Nc5 Nc4 A) 22.Rc4? Qb5 23.Rd5 Be6 24.Ne6 Qd5-+ (24...Qc4?! 25.Qc4 Rc4 26.Nf8 Kf8 27.Bd4=+); B) 22.Qc4=) 21.e4 (21.h4 Nc4 22.Rc4 Qb6 23.hg5 Qb5+=) 21...Be6 (better 21...Bd7!?=) 22.Bd5+/- c4 23.f4 (23.h4 Bd5 24.ed5 Qd7+=) 23...Bd5 (23...h5 24.Qe3 Bg4= (worse 24...Nd5 25.ed5 Bg4 26.Rd4+=)) 24.ed5+/- Qd7 25.Nd4 Qd5 (25...Nh3!? 26.gh3 Nd5+/-) 26.fg5+- e6? (better 26...Qc5+-) 27.Nf5! Qc5 (27...ef5 28.Rd5 Discovered attack (28.Rd5 Deflection); 27...gf5 28.Rd5 Discovered attack) 28.Bd4 Qb4 29.Nh6 (better 29.Nd6!? Rc7+-) 29...Kg7 30.Bb6 ab6 31.Kh1 c3 (31...Qe7 32.h4 c3+-) 32.Qf2 Qe7 33.Qf6 (33.Qb6 Qg5 34.Nf7 Rf7 35.Qe6 Rcf8=+) 33...Qf6 34.ef6 (34.gf6? Kh6 35.Rd6 Kg5 36.Rb6 Kf5 37.Rb7 Rfd8 38.g4 Ke5-+) 34...Kh8 35.Rd7 e5 (35...c2 36.Kg1+-) 36.Nf7 Kg8 (36...Rf7 37.Rf7 Kg8 38.Rg7 Kf8 39.Rh7 Kg8 40.Rb7 c2+-) 37.Ne5 (37.Nh6 Kh8 38.Rg7 Rf6 39.gf6 Rf8 40.Rg8 Rg8 41.Nf7) 37...Rfe8 38.Rg7 Kf8 39.Nd7 1-0. Salinas Herrera,P (2510) - Luo,Terry (2120), Titled Tue, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bf5)

10.Qb3 Bg4 11.Bd3 Bf5 12.Be2 Bg4 13.Bd3 Bf5 14.Be2 ½-½. Yang,Dar (2485) - Shetty,A (2395), Ivy League Challenge, 2018. (=1.d4 (A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems) 1...d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Bf5 8.Be2)

11.Nd2 Bf5 12.Qb3 a5 (12...Nf6 13.Rfc1=) 13.a4+= ab4 (13...Nf6 14.b5+=) 14.cd5+/– cd5 15.Qb4 (15.Qd5 Ne5 16.Qb5 Qd6+/–) 15...Qb6+= 16.Ba3 (16.Qb6 Nb6 17.a5 Nd7+=) 16...Rfc8 17.Bb2?? (17.g4 Bc2 18.Qe7 Ba4+=) 17...Rf8 (better is 17...Qb4 18.Bc1 Rc1 19.Rac1 Qd2–+) 18.Qb6+= Nb6 19.a5 Nc8 ½–½. Ungureanu,Vlad – Cosma,Ioan, Romanian Superliga, 2016. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 c6 7.Nbd2 Bf5 8.Be2 Ne4)

11.Ng5 Bf5 12.cd5 cd5 13.g4 e5 (13...Be6 14.Rc1=) 14.de5 (14.Nh7!? Kh7 15.gf5+=) 14...Ne5 15.f4 (15.Nh7 Kh7 16.gf5 Qh4+/–) 15...Ng4+= 16.Bg7 Ne3 17.Qd4 (17.Qd2 Nf1 18.Qd4 Re8 19.Kf1 Qe7=) 17...Nc2 18.Qf6 (18.Qb2 Re8 19.Bf3 d4+=) 18...Qf6 19.Bf6 Na1 20.Ra1 Rfe8 (20...a5 21.b5+=) 21.Bb5 Rec8 22.Nf3 (22.Rd1 h6 23.Nf3 a6+=) 22...a6 23.Bf1 Rc6 24.Bd4 (24.Bg5 f6 25.Bh4 Rb6+=) 24...Rac8 25.Bc5 Be4 26.Ne5 Rf6 (26...Re6 27.Re1–/+) 27.Bh3 Bf5 (27...Rc7 28.Nd7 Rfc6 29.Bd4+=) 28.Nd7 Re6 (better is 28...Bd7!? 29.Bd7 Rc7+=) 29.Bf5+= gf5 30.Rd1 (better is 30.Nb6 Rd8 31.Rd1+=) 30...b6? (better is 30...Re2+=) 31.Nb6+– (31.Bb6 Rd6 32.Rd5 Rcc6 33.Nf6 Rf6 34.Rd8 Kg7+=) 31...Rce8 (31...Rd8 32.Nd5 Kg7 33.Kf2+–) 32.Nd5 Re1 33.Re1 Re1 34.Kf2 Ra1 (34...Rd1 35.Ne7 Kg7 36.a4+–) 35.Ne7 Kf8 36.Nf5 Ke8 37.Nd6 Ke7 38.Ne4 (38.f5 Ra2 39.Kg3 h6+–) 38...Ke6 39.Nc3 (39.Ng5 Kf5+–) 39...Kf5 (39...Rc1 40.Ne2 Ra1+–) 40.Be3 Rh1 41.Kg2 Re1 42.Bd2 (42.Kf3 Rf1 43.Kg3 Re1+–) 42...Ra1 (42...Re6 43.a4+–) 43.a4 White prepares the advance b5 43...Ra3 44.Kf3 (44.b5 ab5 45.ab5 Rb3+–) 44...Rb3 45.b5 ab5 46.ab5 Rb2 47.Ke3 Kg4 48.Kd3 h5 49.Bc1 Rb4 50.Ba3 Rf4 (50...Rb3 51.Bc5 Rb2+–) 51.b6 Rf6 (51...Rf3 52.Kc4 Rf6 53.Nd5 Rb6 54.Nb6+–) 52.Nd5 Re6 (52...Rb6 53.Nb6 Kf5+–) 53.b7 Re8 54.Nf6 (54.Nf6 Kf4 55.Ne8 f6 56.b8Q Kf5 57.Nd6 Kf4 58.Nb5 Kg5 59.Qg3 Kh6 60.Bf8 Kh7 61.Qg7) 1–0. Westerberg,Jonathan (2495) – Radionov,Timur (2320), 45. Rilton Cup, 2016. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.e3 Bf5 7.Nbd2 c6 8.Be2 Ne4)

11.Ng5 Bf5 12.g4 e5 13.de5 Qg5 14.f4+/–.

11.Ng5 Nf6 12.Ne4 Ne4 13.c5 b5 (13...Qd7 14.Qd3+=) 14.a4 a6 15.Qc2 f5 16.Bd3 Ng5 (16...Qc7 17.f3 Ng5 18.Qf2+=) 17.Ra3 Ne6 18.Rfa1 Nc7 19.ab5 cb5 20.Rd1 e6 21.Bc3 Qg5 22.Bf1 (22.Qd2 Qh4+/-) 22...Rf7 (22...f4 23.Qd3+=) 23.Be1 (23.f4 Qd8+/-) 23...Qe7 (23...f4 24.Bd2 Qg4 25.f3+=) 24.f3 (24.Be2 Qe8+/-) 24...e5 25.de5 Be5 26.Bc3 Rf6 (26...Bc3 27.Qc3 f4 28.ef4 Rf4 29.Re1+=) 27.Be5 Qe5 28.f4 Qe7 29.g3 Rd8 30.Bg2 The isolani on d5 becomes a target 30...Qe6 31.Rad3 Rf7 32.Qa2 The pressure on the isolated pawn grows 32...Rfd7 33.Qa5 Kf8 34.Kf2 Ke7 35.Ra1 Qc6 36.Qb6 Qf6 37.Ra2 Kf7 38.c6 (38.Qf6 Kf6 39.Rc2 d4+/-) 38...Re7 39.Qc5 Rd6 (39...Qd6 40.Rc2+=) 40.Rc2 (40.Rd5 Nd5 41.Bd5 Kg7 42.Ra6 Rd5 43.Qd5 Qb2 44.Kf3 Qh2+/-) 40...Qe6+= 41.Bf3 Re8 42.h3 h5 43.Qc3 (43.Kg2 Re7+=) 43...Red8 (43...Rb8 44.Qe5=) 44.Rc1 Qf6 45.Qf6 Rf6 46.Rc5 Rdd6 47.Rdc3 Ke7 48.Rc1 (48.Ke2 Rfe6+=) 48...Kd8 (48...Rfe6!?=) 49.Ke2 Kc8 50.Kd3 Kb8 51.R5c2 (51.g4 hg4 52.hg4 Ka7+=) 51...Ka7= 52.Kd4 Kb6 53.g4 hg4 (53...fg4 54.hg4 g5 55.gh5 gf4 56.Bg4=) 54.hg4+= fg4 55.Bg4 Rc6 56.Rc6 Rc6 57.Rc6 Kc6 58.Ke5 Kb6 59.Kf6 (59.Bf3 a5 60.ba5 Ka5+=) 59...a5 (59...d4 60.e4 (worse 60.ed4 Nd5 61.Kg5 Nb4=+) 60...a5 61.ba5 Ka5 62.Kg6+=) 60.ba5+= Ka5 61.Kg6 b4 62.f5 b3? (better 62...Nb5 63.f6 Nd6+-) 63.f6 b2 64.Bf5 Ne6 65.f7 (65.f7 Kb6 66.Kf6+-) 1-0. Ben Artzi,I (2350) - Kraus,Ohad (2310), TCh-ISR, 2021. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.c4 0-0 6.b4 c6 7.Bb2 Bf5)

11.Ng5 Nf6 12.Ne4+= Ne4 13.Qd3 Qd6 14.Rac1 a6+=.

11.Ng5 Nf6 12.Ne4+= Ne4 13.f3 Nd6 14.c5 Nf5 15.Qd3 e6 16.a4 Re8 17.g4 (17.f4 Qh4+=) 17...Nh6= 18.f4 (18.b5 e5=) 18...f6 (18...Qh4 19.Qd1=) 19.Rad1 (19.b5 Qd7+=) 19...Qe7 (19...Rb8 20.b5+=) 20.Qb3 (20.b5 Rac8+=) 20...Kh8 (20...Nf7 21.b5+=) 21.Rf2 e5 (21...Kg8 22.Qd3+=) 22.g5 fg5 23.fe5 (worse is 23.de5 a5=) 23...g4 (23...Rf8 24.Rdf1+=) 24.e4+/– de4 25.Qe3 (25.Rf4 b6+/–) 25...Nf5 (25...Qe6 26.Bc1+=) 26.Qe4 g3 27.hg3 Ng3 28.Qg4 Ne2 29.Re2 Qe6 (29...Rf8 30.Rh2 Rf5 31.Qh4 Qh4 32.Rh4+=) 30.Qe6+/– Re6 31.d5 cd5 32.Rd5 Rae8 33.b5 Kg8 (33...Bf8 34.Rc2+/–) 34.Rd7 Bf8 (34...Rb8 35.Kg2+/–) 35.Rc2+– Rc8 (35...R8e7!? 36.Rd6 Bg7+–) 36.Bd4 Re7 37.c6 bc6 38.Re7 (38.bc6?! Rc6 39.Re7 Rc2 40.Ra7 Rc4+=; 38.Ra7?! c5 39.Rc5 Rd8 40.Re7 Be7+–) 38...Be7 39.Ba7 (39.Ba7 Rd8 40.b6 Rd1 41.Kf2+–; 39.bc6?! Kf7+/–) 1–0. Smyslov,Vasily – Tatai, Palma de Mallorca, 1967.

8.a4 Nbd7 9.Qb3 Bf3 10.Nf3 e6 11.Be2 Ne4 12.0-0 f5 13.Rad1 g5 14.b5 Rf6 15.Nd2 Nd2 16.Rd2 g4 17.f3 (17.Rc1 Rh6 18.bc6 bc6 19.cd5 Qh4=) 17...gf3 18.gf3 (better 18.Bf3 Nb6 19.cd5 cd5 20.Be2+=) 18...Rg6= 19.Kh1 Qg5 20.Bd3 Kh8 (20...Qe3 21.Re2 Qf4 22.bc6 bc6 23.Qb7=) 21.f4 (21.bc6 bc6 22.cd5 cd5=) 21...Qh4= 22.bc6 bc6 23.Qb7 (better 23.cd5!? cd5 24.Rg2=+) 23...Rg8-/+ 24.Qd7 (better 24.Qb3-/+) 24...Bf8?? (better 24...Qg4 25.Qf7 Bf8 26.Qg6 Rg6-+ (26...hg6?! 27.Rg2 Qh4 28.Bc3-/+)) 25.Bf5= (25.Qc6?? Qh3 26.Rdf2 Rg2 27.Rg2 Qg2; 25.Qa7 Qg4 26.Qh7 Kh7 27.Bf5 Qf5 28.h3 Qh3 29.Rh2 Qh2 30.Kh2 Rh6) 25...Rg1 (25...ef5 26.Qf7 Double attack (26.Qf7 Decoy)) 26.Rg1 Rg1 27.Kg1 Qe1 28.Kg2 Qd2 29.Kf3 Qd1 30.Kf2 Qd2 31.Kf3 ½-½. Deepan,C (2540) - Saravanan,V1 (2315), 11th Chennai Open, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 Bg4 6.c4 0-0 7.Bb2 c6)

8.Qb3 Nbd7 9.a4 Nb6 10.c5 Nbd7 11.Bd3 Bf3 (11...b6 12.0-0=) 12.Nf3+= e5 13.Be2 (13.Ne5 Ne5 14.de5 Ng4+=) 13...ed4 (13...e4 14.Nd2+=) 14.Bd4 a5 15.0-0 Ne4 16.Rfc1 (16.Qb2 Bd4 17.ed4 Re8=) 16...Bd4 (16...Qe7 17.Rab1=) 17.ed4+= ab4 18.Qb4 Ra7 19.Rcb1 (19.Bd3 Qf6+=) 19...Qf6 20.Bd3 Ng5 (20...Rb8 21.a5+=) 21.Ng5 Qg5 22.Re1 Qd8 (22...Rb8 23.Ra2+=) 23.Bc2 Re8 24.Re8 Qe8 25.Re1 Qd8 26.Re3 (26.Rb1 Nf6+=) 26...Nf8 27.f4 (27.Qb2 Ne6 28.h3 Qa5=) 27...Qa5 (27...Ne6!? 28.f5 gf5 29.Bf5 Qa5=) 28.Qa5+= Ra5 29.f5 (29.Re8!?+=) 29...gf5= 30.Rg3 (30.Rb3 Ra7=) 30...Kh8=+ 31.Bf5 (31.Kf2 Ne6 32.Rd3 Kg7=+) 31...Ra4 32.Rb3 (32.Rd3 Kg7=+) 32...Ne6 (32...Rd4 33.Rb7 Rc4 34.Rf7=+) 33.Be6 (33.Rb7? Nd4 34.Bh3 f5–+) 33...fe6 34.Rb7 Rd4 35.Rc7 Kg8 (35...Rc4 36.Rc6 e5 37.Rc7=+) 36.Kf2 (36.Rc6 Rc4=) 36...Rc4=+ 37.Rc6 Kf7 38.Rc7 Kg6 (38...Kf6 39.c6=+) 39.c6= Kf5 (39...e5 40.Ke3=) 40.Ke3 (40.Rf7 Ke5=) 40...h6 (40...h5 41.Rc8=+) 41.Kd3 (41.h3 Rc2=) 41...e5=+ 42.Rf7 Ke6 (42...Kg6 43.Rd7 Rc6 44.Rd5=+) 43.Rh7= e4 44.Ke3 (44.Kd2 d4=+) 44...Ke5 45.c7 (45.Rh6 d4 46.Kd2 e3 47.Kd1 Ke4–+) 45...d4 (45...Rc2 46.Re7 Kd6 47.Rh7–/+) 46.Kd2 e3 (46...Kd6 47.Rh6 Kc7 48.h4–/+) 47.Ke2–/+ Rc2 48.Kf3 (48.Kd1!? Rc3 49.h4=+) 48...Kd6–/+ 49.Rh6 Kc7 50.Re6 Rf2 51.Kg3? (better 51.Ke4!? Kd7 52.Re5–/+) 51...Rf7–+ 52.h4 d3 53.Re3 d2 54.Rc3 (54.Rd3 Rd7 55.Rd2 Rd2–+) 54…Kd8 (54...Kd8 55.Rd3 Rd7 56.Rd2 Rd2–+) 0–1. Skomorokhin,Vadim (2380) – Melkumyan,Hrant (2635), Albena BUL, Open, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bg4)

8.Qb3 Nbd7 9.h3 Bf3 10.Nf3 a5 11.b5 a4 12.Qb4 a3 (12...Ne4 13.cd5 a3 14.Bc1= (14.Ba3 c5 15.Qb1 Qa5 16.Bb4 cb4 17.Qe4 b3 18.Kd1 Qc3–+; worse is 14.dc6 ab2 15.Qb2 bc6–/+)) 13.Bc3 (better is 13.Ba3!? c5 14.dc5=) 13...Ne4= 14.Rc1 c5 15.Qb3 cd4 16.ed4 e5 17.Bb4 ed4 (17...Re8!? 18.de5 Ne5 19.Ne5 Be5–/+ (19...Re5?! 20.Be2+=)) 18.Bf8= Qf8 19.Bd3 (19.cd5 Re8 20.Be2 Nec5 21.Qa3 d3–+) 19...Ndc5 20.Qc2 Nc3 (20...Nd3 21.Qd3 Qb4 22.Kf1–/+) 21.0-0 Nd3 22.Qd3 Na2 23.Rb1 Nb4 24.Qd2 a2 25.Rb4 a1Q 26.Ra1 Ra1 27.Kh2 Ra3 28.c5 Qc5 29.Nd4 Qc3 30.Qc3 Rc3 31.Ra4 Bd4 32.Rd4–/+ Rc5 33.b6 Kg7 34.Rb4 Kf6 35.Kg3 Ke5 36.Kf3 d4 37.Rb2 Kd5 38.Ke2 Rc3 39.Kd2 Kc5 40.h4 h5 41.Rb1 Rc4 42.Kd3 Rb4?? 43.Re1?? Rb3–+ 44.Kc2 Rc3 45.Kd2 Kb6 46.Re4 Rc7 47.Rd4–/+ Ka5 48.f3 b5 49.Rd5 Ka4 50.g4 hg4 51.fg4 Rc4 52.Rg5 b4 53.h5 b3 54.Re5 Rg4 55.hg6 fg6 56.Kc3 Rg3 57.Kb2 Kb4 0–1. Lenic,Luka (2565) – Franco Ocampos,Zenon (2500), 38. Olympiad, 2008.

8.Qb3 Ne4 9.Bd3 f5 10.0-0 a6 11.cd5 cd5 12.Ne4 (better is 12.a4=) 12...Bf3?? (better is 12...fe4 13.Be4 e6=) 13.Nc5+– (worse is 13.gf3 fe4 14.fe4 e6+/–) 13...Bg2 (13...Be4 14.Be2 (14.Ne4?! fe4 15.Be4 e6+/–) 14...Bh6 15.Ne6+–) 14.Kg2 Qd6 15.Nb7 Qf6 (15...Qc6 16.Nc5+–) 16.Qd5 Kh8 17.Nd8 Ra7 18.Ne6 Rc8 19.Rac1 Rd7 (19...Re8+–) 20.Rc8 (20.Rc8 Bf8 21.Qe5+–) 1–0. Janek – Gustave, internet, 2016.

8.Qb3 e6 9.Ne5 Bf5 10.h3 Ne4 11.Ndf3 Be5 12.Ne5 Qh4 13.g3 Ng3 14.fg3 Qg3 15.Kd2 Be4 16.Be2 Bh1 17.Rh1 f6 18.Nd3 Nd7 19.a4 Nb6 20.Nf4 dc4 21.Bc4 g5 22.Ne2 Qf2 23.Be6 Kg7 24.a5 Nc8 25.Rg1 Nd6 26.Qd3 Rae8 27.d5 cd5 28.Bd5 Nf5 29.Rg5 Kh6 30.Rf5 Re3 31.Qe3 Kg7 32.Rf2 1-0. novisad01 (2130) - Rafik55 (1745), Rated Blitz tournament, lichess.org, 2014. (=1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nf3 g6 5.Nbd2 Bg7 6.b4 0-0 7.Bb2 Bg4)

8.Qb3 Bf3 9.Nf3 a6 10.a4 Nbd7 11.Be2 (11.cd5 cd5 12.Bd3 Nb6+=) 11...dc4= 12.Bc4 b5 (12...Nb6 13.Bd3=) 13.Be2 (13.Bd3 Nd5+–) 13...Nb6+= 14.a5 Qd5 15.Qc2 Nc4 16.Bc4 bc4 17.0-0 Rfb8 18.Rfc1 Rb4 19.Ba3 Rb5 20.Be7 Re8 21.Ba3 (21.Bf6 Bf6 22.Qc4 Qc4 23.Rc4 c5+=) 21...Ne4 (21...c5 22.dc5 Ra5 23.Nd2+=) 22.Qc4+= Qc4 23.Rc4 Ra5 24.Rc6 Bf8 25.Bb2 Ra1 26.Ba1 Rb8 27.Rc1 a5 28.g4 (28.Ne5!?+=) 28...a4= 29.Kg2 a3 30.d5 (30.Ne5 Nd2=) 30...Rb5 31.Rc4 f5 32.gf5 gf5 33.Rc8 Rd5 34.Ra8 Rc5 35.Be5 (35.Ra3?? Rc2 36.Ra8 Rf2 37.Kg1 Rf3–+) 35...Rc2 36.Bg3 Ng3 37.hg3 Kf7 (37...Rb2 38.Ng5 Rb6 39.Nf3=) 38.Nd4 (38.Ra7 Kg6=) 38...Rd2 (38...Rb2!?=+) 39.Ra7= Kg6 40.Kf3 a2 41.Ra6 Kf7 42.Ra7 Kg6 43.Ra6 ½–½. Mirzoev,A (2505) – Bures,J (2405), Ceske Budejovice GM, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4)

8.Qb3 Bf3 9.Nf3 Nbd7 10.Be2 a5 (10...dc4 11.Bc4 Nb6 12.Bd3+=) 11.0-0 (11.ba5 Qa5 12.Bc3 Qa4=) 11...ab4 (11...dc4 12.Bc4 ab4 13.Qb4+=) 12.Qb4 e6 13.Nd2 (13.c5 Qe7 14.a3 Rfb8=) 13...Ra7 14.c5 (14.Rfb1 Qc7+=) 14...Qe7= 15.Bc3 e5 16.Rfe1 (16.de5 Ne5 17.Rfb1 Rfa8=) 16...Re8 17.a4 ed4 (17...Rea8 18.de5 Ne5 19.a5=) 18.ed4 (worse 18.Bd4 b6 19.Nb3 Bf8=+) 18...Nf8 19.Qb6 (19.Nf3 Ne4+=) 19...Rea8 20.a5 N6d7 21.Qb2 Ne6 22.Nf3 Bf6 (22...Re8 23.Bf1+=) 23.Ra3 Qf8 (23...Qd8 24.Bf1+=) 24.Bf1 (24.Rb3 Qe8+=) 24...Qc8 (24...Bd8 25.Bd3+=) 25.g3 (25.Bd3 Nf4 26.Bb1 Ne6+=) 25...Bd8 Increasing the pressure on the isolated pawn on a5 (25...Qc7 26.Rb3+=) 26.Bh3 Ndf8 (26...Bc7 27.Qd2+=) 27.Rea1 (27.Qd2 Bc7+=) 27...Bc7 28.Qd2 (28.Rb3 Ba5 29.Ba5 Ra5 30.Ra5 Ra5 31.Rb7 Ra1 32.Kg2 f5+=) 28...Qd8= The pressure on the isolated pawn grows 29.Kg2 f5 30.Kg1 Nd7 31.Qe2 Qe8 (31...Qf6 32.Bg2=) 32.Re1+= Ndf8 33.Bf1 Qd8 (worse 33...Ba5 34.Ba5 Ra5 35.Ra5 Ra5 36.Ng5+–) 34.Rb1 Qf6 (34...Ba5 35.Ba5 Ra5 36.Ra5 Qa5 37.Rb7=) 35.Rba1 White prepares a6 (35.Qd2 f4 36.Be2 Nd7+=) 35...Nd8 (35...f4 36.Qd3=) 36.a6+= ba6 37.Ra6 Ra6 38.Ra6 Ra6 39.Qa6 Nfe6 40.Qc8 Qe7 (40...Kg7 41.Be2+=) 41.Bd2 Kg7 42.Ba6 h6 43.h4 f4 44.g4 g5 (44...Qf6 45.Kg2+=) 45.h5 Nf8 46.Nh2 (46.Kg2 Qd7+=) 46...Qd7 (46...Nde6 47.Bc3=) 47.Qa8 (47.Bc3 Qc8 48.Bc8 Nh7+=) 47...Kf7 (47...Qe6 48.Bc3+=) 48.Bc8 (48.Bd3 Nde6 49.Bf5 Bd8+=) 48...Qe7 49.Nf3 Kf6 (49...Qe4 50.Kg2+=) 50.Kg2 (50.Bf5 Kg7+=) 50...Nfe6 51.Qa1 Qh7 (51...Kg7 52.Qc3+=) 52.Qc3 (52.Ba6 Qd7+=) 52...Qe4 53.Ba6 Ng7 54.Kg1 Ke7 55.Bf1 Nde6 (55...Ne8 56.Bg2=) 56.Kg2 Nf8 57.Qb3 Nd7 (57...Qe6 58.Nh2+=) 58.Qd3 (better 58.Qb7!? Ne6 59.Bc3+=) 58...Nf6=+ 59.Kh3 Qe6 60.Nh2 (60.Qe2 Ne4–/+) 60...Ne4 61.Be1 f3 62.Qf3 Blocks the square `8 (62.Nf3 Nh5) 62...Nh5 63.Kg2 Nf4 64.Kg1 Qf6 65.Qe3 Ne6 66.f3 (66.Nf3 h5 67.gh5 g4=+) 66...Bh2 (66...Nd4!? 67.fe4 Qe5–/+) 67.Kh2=+ Qd4 68.Qa3? (better 68.Qd4 Nd4 69.fe4 Nf3 70.Kg3 Ne1 71.ed5 cd5 72.Bb5–/+) 68...Qe5 (68...Qd1 69.fe4 Qe1 70.Bg2 Qh4 71.Kg1 Qg4 72.ed5 cd5 73.c6 Kf7 74.Qf3 Qf3 75.Bf3–+) 69.Kg2 N4c5 70.Bg3 Qd4 71.Bf2 Qd2 72.Qa8 (72.Kg1 Kd6–+) 72...Nd8 (72...Nd3 73.Qb7 Kf6 74.Bd3 Qd3 75.Qc6–+) 73.Qa3 Nde6 (better 73...Ndb7–+) 74.Qa8 Nf4 (74...Nd3 75.Qb7 Kd6 76.Bd3 Qd3 77.Bg3 Nf4 78.Bf4 gf4 79.Qb8 Kc5 80.Qf8 Kb5 81.Qb8 Kc4 82.Qf4 d4 83.Qh6 Qe2 84.Kg3 Qe1 85.Kg2–/+) 75.Kg1 Qc1 76.Qc6 Nh3 77.Kg2 Nf2 78.Qc7 Ke6 79.Qc8 (79.Qb6 Kf7 80.Qc7 Kf6 81.Qd8 Ke5 82.Kf2 Qd2 83.Kg1 Qe3 84.Kg2 Ne6 85.Qh8 Kd6 86.Qb8 Ke7 87.Qb7 Kf6–+) 79...Ke5 80.Qb8 Kd4 81.Kf2 The mate threat is Qh8 81...Qe3 82.Kg2 Kc3 (82...Qd2 83.Kg1–+) 83.Qa7 (83.Qd6 Qd2 84.Kg1 Qd4 85.Kg2 Kd2–/+) 83...Qd2 84.Kg3 Nb3 Black prepares the advance d4 (84...Qf4 85.Kg2 Nb3 86.Qa6–+) 85.Qc7–/+ Kb2 86.Qb6 Qf4 (86...Qd1 87.Kg2–/+) 87.Kg2 Qe5 88.Qh6 d4 (88...Qe3 89.Qd6 d4 90.Qf6–/+) 89.Qb6 (89.Bd3 Nc1 90.Qb6 Kc3–/+) 89...Kc3 90.Qa6 (90.Bb5 Qc5 91.Qa6 Qb4–/+) 90...Qe3 91.Qc4 Kd2 92.Qb4 Kd1 93.Bb5 Qc3 (93...Nd2 94.Qa4 Kc1 95.Qa1 Nb1 96.Qa6–/+) 94.Qe7 (94.Qc4 Qc4 95.Bc4 Nc1=) 94...Qd2 95.Kg3 Qf4 (95...Qe3 96.Qe4 Nc1 97.Kg2–+) 96.Kg2–/+ Qe3 (96...d3 97.Bd3 Qd2 98.Kg3 Qd3 99.Qg5=+) 97.Qb4 Qc3 (97...Nd2!? 98.Qa4 Kc1 99.Qa1 Nb1–/+) 98.Qe7=+ Nc5 (98...Qc5 99.Qe2 Kc1 100.Qe1 Kc2 101.Qe2 Kc3 102.Qe1 Kb2 103.Qe2 Ka3 104.Bc4=+) 99.Qe2 (99.Kg3 Kc2=+) 99...Kc1 100.Qf1 (100.Qe5!?=+) 100...Kb2–/+ 101.Qf2 (101.f4!?–/+) 101...Kb3 (101...Ka3 102.Be2–+) 102.f4–/+ ½–½. Kurajica,Bojan – Vukic,Milan, Cetinje, 1991. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7= 4.Bb2 0-0 5.e3 c6 6.c4 d5 7.Nbd2 Bg4)

8.Qb3 Bf3 9.Nf3 e6 10.Bd3 dc4 11.Bc4 Nbd7 12.0-0 Nb6 13.Rfc1 Nc4 14.Rc4 Qd5 15.Rac1 Ne4 16.Qc2 a5 17.a4 ab4 18.Rb4 Ra7 19.Ne5 f5 20.Nd3 g5 21.f3 Nf6 (better is 21...Nd6!?+=) 22.Nc5+– Rf7 23.e4 fe4 24.fe4 (24.Ne4?! Qf5=) 24...Qd8 25.Ne6 Qa5? (better is 25...Qe7 26.Nc5 Ng4+–) 26.Bc3+– Ng4 (26...g4 27.e5 Nd5 28.Rb7 Nc3 29.Rb8 Bf8 30.Qd2+– (30.Rf8?! Rf8 31.Nf8 Kf8+/–; 30.Nf8?! Rf8 31.Rf8 Kf8+/–)) 27.Qe2 (27.Ng7?! Qc7 28.e5 Rg7 29.Qa2 Rf7+–) 27...h5 28.Ng7 (better is 28.h3!? Nf6+–) 28...Kg7 29.d5 Kg8 30.Rd4 (better is 30.Qd2 Kh7 31.h3+– (31.Qg5?! Qc5 32.Rd4 Ra4 33.Qh5 Nh6+–)) 30...Qc5 31.Qd2 Ra4 32.Bb4 Qb6 33.Bc5 Qb3? 34.Ra4 Qa4 35.h3 Nf6 36.Qg5 Kh7 37.Rf1 Qc4 38.Qf5 Kg7 39.dc6 bc6 40.e5 Ne4+= 41.Qf7 Qf7 42.Rf7 Kf7 43.Ba7 Ke6 44.Bb8 Nc5 45.Kf2 Nd7 46.Bc7 Ne5 47.Kg3 Ng6 48.Kf3 Kd5 49.g4 hg4 50.Kg4 Ke6 51.Kg5 Kf7 52.Bd6 Kg7 53.Bc5 Kh7 54.Bd4 Nf8 55.Be3 Ng6 56.Kf6 Nh4 57.Kg5 Ng6 58.Kf5 Nh4 59.Kf6 Ng6 60.Ke6 Nh4 61.Bg5 Nf3 62.Bd8 Kg6 63.Kd6 Ng1 ½–½. Sinnwell,Horst – Rostek,Joerg, Ruhrgebiet VK2, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 Bg4 7.Nbd2 c6)

8.Qc2 Nbd7 9.Be2 e6 10.0-0 Re8 11.h3 Bf5 12.Bd3 Bd3 13.Qd3 a5 14.a3 ab4 15.ab4 Rc8 (15...Qe7 16.b5=) 16.c5 Ra8 (16...b6 17.Qc2=) 17.Rfd1 (17.Ra8!? Qa8 18.Ra1+=) 17...Qc7= 18.b5 b6 19.bc6 Qc6 20.Rdc1 (20.cb6!? Qb6 21.Rdb1=) 20...Ra1-/+ 21.Ba1 bc5 22.dc5 e5 (22...Nc5 23.Qd4 Rc8 24.Qh4-/+) 23.Qc2 Bf8 The pressure on the isolated pawn grows 24.e4 (better 24.Nb3!?=+) 24...de4 25.Ng5 e3 26.fe3 Bc5 27.Kh1 Qa8 28.Qb3 (28.Nc4-/+) 28...Rf8 (28...Qd5 29.Qd5 Nd5 30.e4-+) 29.Ndf3 (better 29.Be5 Qa3 30.Qa3 Ba3 31.Ra1 Ne5 32.Ra3=+) 29...h6 30.Ne5 hg5 31.Ng6 (31.Nd7 Nd7 32.Qc3 f6-+) 31...Rc8?? (31...Rb8 32.Qc2 Qe4 33.Bf6 Qc2 34.Rc2 Rb1 35.Kh2 Bd6 36.Be5 Ne5 37.Ne5 Be5 38.g3-+) 32.Ne5? (better 32.Bf6!? Nf6 33.Qc3-/+) 32...Ne5-+ 33.Be5 Be7 34.Rf1 Qc6 (34...Qe4 35.Bd4 g4 36.Qb5-+) 35.Qb1 (35.Bd4 Qd5 36.Qd3 Ne4-+) 35...Ne4 36.Bh2 (36.Qd1 Qe6 37.Qf3 Rc4-+ (37...Qe5?! 38.Qf7 Kh8 39.Qh5 Kg8 40.Qf7 Kh8 41.Qh5 Kg8 42.Qf7=)) 36...Qc4 (better 36...Nd2 37.Qf5 Nf1 38.Qf1-+) 37.Qe1 (37.Qa1 Qe2 38.Be5 g4-+) 37...Qd3 38.Rf3 (38.Be5 Rc2 39.Kh2 Qd5-+) 38...Rc2 (better 38...Ba3!? 39.Rf1 Rc1 40.Qc1 Bc1 41.Rc1 Nf2 42.Kg1 Nh3 43.Kh1 Nf2 44.Kg1 Qe3 45.Rf1 Ng4 46.Kh1-+) 39.Bg1 Re2 (39...Rd2 40.Qc1 Bc5 41.h4-+) 40.Qf1 (40.Qa1 Rd2 41.Qa8 Kg7-+) 40...Bd6 41.Bh2 (41.Qc1-+) 41...Bh2 42.Kh2 (42.Qe2 Qe2 43.Kh2-+) 42...Qd2 (better 42...Nd2 43.Qe2 Qe2-+) 43.Rf7 Re1?? (43...Qd6 44.Kg1 Rd2-+) 44.Qf5 (44.Rf8 Kg7 45.Qf7 Kh6 46.Rh8) 44...Qd6 45.Qf4 gf4 46.ef4 (46.Rf4 Re3 47.Kg1 Qf4 48.g4 Re1 49.Kg2 Qf2) 46...Re3 (46...Kf7 47.h4 Qf4 48.Kh3 Qg3) 47.g3 (47.Re7 Qf4 48.g3 Qg3 49.Kh1 Re1) 47...Rg3 (47...Re2 48.Kg1 Qd1) 48.Rg7 (48.Rf8 Kf8 49.f5 Qd2 50.Kh1 Qg2) 48…Kg7 (48...Kg7 49.h4 Qd2 50.Kh1 Qg2) 0-1. cipiripi (2265) - uoylliki (2285), Rated Blitz game, lichess.org, 2015.

8.Qc2 Bf3 9.Nf3 Ne4 10.Bd3+= f5 11.h4 (11.Rc1 a5 12.cd5 cd5+=) 11...Nd7 (11...a5!?=) 12.h5+/- e6 13.0-0-0 (better 13.hg6!? hg6 14.a3+/-) 13...a5 14.Be4? (14.hg6 hg6 15.b5 cb5=+) 14...de4 (14...fe4 15.Ne5 Ne5 16.de5 ab4 17.hg6 hg6 18.Bd4-+) 15.Nd2 (15.d5 ef3 (15...ab4 16.Bg7 b3 17.Qb3 Kg7 18.Qb2 Qf6 19.dc6 Qb2 20.Kb2+/-) 16.de6 fg2= (16...ab4? 17.hg6 fg2 18.gh7 Kh8 19.Rhg1+-)) 15...ab4-/+ 16.hg6 hg6 17.Nb3 (better 17.Qb3!?-/+) 17...Ra2-+ 18.Qe2 (18.c5 b6-+) 18...b6 19.Kb1 Qa8 20.g4 c5 21.gf5 ef5 22.Qf1?? (22.Nc1 Ra4-+) 22...Qa7 (better 22...Rb2 23.Kb2 Qa3 24.Kc2 Qa2 25.Kc1 Qb3 26.Qe2-+) 23.Qh3? (23.Nc1 Rb2! 24.Kb2 Qa3 25.Kb1 Ra8-+) 23...Nf6 (better 23...Rb2!? 24.Kb2 Qa3 25.Kc2 Qa2 26.Kc1-+) 24.Rdg1 (24.Rd2 Ra8 25.Qg3 Ng4-+) 24...Kf7 (24...Rb2!? 25.Kb2 Qa3 26.Kc2 Qa2 27.Kc1 Qb3 28.Rg6-+) 25.Qg3 Ng4 26.Qd6 (26.Nc1 Rb2! 27.Kb2 cd4 28.ed4 Bd4 29.Kc2 Qa4 30.Qb3 Qb3 31.Kb3 Bf2 32.Rg2-+) 26...Rd8?? (26...Rb2 27.Kb2 Qa3 28.Kc2 Qa2 29.Kc1 Qb3 30.Qd5 Ke7 31.Qb7 Kf6 32.Qb6 Kg5 33.Qc5 Qc3 34.Kd1 Ra8 35.Qe7 Bf6 36.f4 ef3 37.Rg4 Kg4 38.Rg1 Kh3 39.Qa7 Ra7 40.Rh1 Kg2 41.Rh2 Kh2 42.e4 Ra1) 27.Qd8+/- cd4? (better 27...Rb2 28.Kb2 Qa3 29.Kc2 Qa2 30.Kc1 Qa3 31.Kb1 Qb3 32.Ka1 Qc3 33.Kb1 Qd3 34.Kb2 cd4 35.Qd7 Kf8 36.Qd8 Kf7 37.Qc7 Kg8 38.Qc8 Kf7 39.Qd7 Kf8 40.Qd6 Kg8 41.Qe6 Kf8 42.Qd6 Kg8 43.Qd8 Kf7=) 28.ed4 (28.Qd5 Ke7 29.Bd4 Ra3=) 28...Nf2?? (28...Rb2 29.Kb2 Qa3 30.Kc2 Qa2 31.Kc1 Qa3 32.Kc2 Qa2 33.Kc1 Qa3 34.Kc2=) 29.Rh7?? (29.Qd5 Ke7 A) 30.Rg6?! Rb2 31.Kb2 Qa3 32.Kb1 Qb3 33.Ka1 Qc3 34.Kb1 Qd3 35.Kc1 Qe3 (35...Nh1?? 36.Rg7 Kf6 37.Qe5) 36.Kb1 Qb3 37.Ka1 Bd4 (37...Nh1 38.Rg7 Kf6 39.Qe5) 38.Qd4 Qa4 (38...Nh1 39.Qd6 Ke8 40.Re6 Kf7 41.Re7 Kg8 42.Qd8) 39.Kb1 Qb3 (39...Nh1 40.Qd6 Ke8 41.Re6 Kf7 42.Re7 Kg8 43.Qd8 Qe8 44.Qe8) 40.Ka1 Qa3 (40...Nh1 41.Qd6 Ke8 42.Re6 Kf7 43.Re7 Kg8 44.Qd8) 41.Kb1 Qb3 (41...Nh1 42.Qd6 Ke8 43.Re6 Kf7 44.Re7 Kg8 45.Qd8) 42.Ka1=; B) 30.c5 Rb2 31.Kb2 Nh1 32.Qd6 (32.Rh1?! Qa6+-) 32...Kf7 33.Qg6 (33.Rh1?! Qa3 34.Kc2 Qa2 35.Kc1 Qb3 36.Qd7 Kf6=) 33...Kg8 34.Ra1+- (34.Rh1?! Qa3 35.Kc2 Qa2 36.Kc1 Qa3 37.Kd2 Qb2 38.Ke1 Qb1 39.Kf2 Qh1 40.Qe6 Kf8 41.Qf5 Ke7=))29...Nd3?? (better 29...Rb2 30.Kb2 Qa3 31.Kb1 Qb3 32.Ka1 Qc3 33.Kb1 Qb3 34.Ka1 Qc3 35.Kb1 Qb3=) 30.Rg6 (better 30.Qd5 Kf8 31.Qd6 Qe7 32.Qe7 Ke7 33.Ka2+-) 30...Kg6 (30...Rb2) 31.Qh4?? (better 31.Rg7 Kg7 32.Qg5 Kh8 33.Qf6 Kg8 34.Qg6 Kf8 35.Qf5 Kg7 36.Qg5 Kh7 37.Qh5 Kg8 38.Qg6 Kh8 39.Qh5 Kg7 40.Qg5 Kf7 41.Qf5 Kg8 42.Qg6 Kh8 43.Qh5 Kg7 44.Qg5=) 31…Rb2 (31...Nb2 32.Rh5 Nc4 33.Qg5 Kf7 34.Qf5 Ke7 35.Qe4 Ne5 36.de5=). bin_shu (1705) - Monstr95 (1635), Rated Blitz game, lichess.org, 2013.

8.Qc2 Bf3 9.Nf3 e6 10.Be2 Nbd7 11.0-0 Qe7 12.Rab1 Rab8 13.c5 a6 14.a4 Ne4 ½–½. algernon (2565) – jvanmechelen (2500), net–chess.com, 2014.

8.c5 b6 9.Be2 Nbd7 10.0-0 Ne4 11.Rb1 a5 12.Ne4 (12.b5!? cb5 13.c6=) 12...de4+= 13.Nd2 Be2 (13...ab4? 14.Bg4 bc5 15.dc5 Nc5 16.Bg7 Kg7 17.Rb4+–) 14.Qe2 ab4 15.Ra1 (15.Rfd1 bc5 16.Ne4 Ra2 17.dc5 Qc7+=) 15...bc5–/+ 16.Ne4 cd4 17.ed4 e6 18.Qc4 Nb6 19.Qb4 Nd5 (19...Na4!? 20.Ba3 Qd5–/+ (worse is 20...Bd4 21.Rad1 c5 22.Nc5+=)) 20.Qc5 Rb8 21.Ba3 Re8 22.Rfd1 Bf8 23.Nd6?? (23.Qc1 Ba3 24.Qa3 Qh4=) 23...Bd6?? (better is 23...Qd7–+) 24.Qd6= Nc3 25.Qd8 (25.Rd3!? Qa5 26.Re3+= (worse is 26.Qc6 Rec8 27.Qd6 Qf5–/+)) 25...Red8–/+ 26.Rd3 Ne2 27.Kf1 Nd4 28.Be7 Rd7 29.Bf6 c5 30.Bd4 cd4 31.Ke2 Rb2 32.Kf3 (32.Rd2 Rb5–/+) 32...e5 33.a4 (33.Re1 Rd5 34.Re2 Re2 35.Ke2 e4–+) 33...f5 34.Kg3 e4 35.Rda3 g5 36.a5 h5 37.a6 f4 (37...Ra7!? 38.f3–+) 38.Kh3–/+ Rf2?? (better is 38...Ra7 39.f3 ef3 40.gf3 Kg7–/+) 39.a7+– Ra7 40.Ra7 d3?? (better is 40...f3+–) 41.Rb1 (41.Rb1 Rb2 42.Rb2 g4 43.Kh4 e3 44.Rb8; 41.Rb7 g4 42.Kh4 Ra2 43.Ra2 e3 44.Ra8) 1–0. workchess (2280) – jlbaf (2445), net–chess.com, 2016.

8.Bd3 a5 9.ba5 Qa5 10.0-0 Nbd7 11.h3 (11.Qb3 b6=) 11...Bf3 12.Nf3 dc4 13.Bc4 b5 14.Be2 c5 15.Ne5 (15.dc5 Nc5 16.Nd4 Na4=) 15...Ne5 16.de5 Rfd8 17.Qc1 Nd5 18.e4 (18.Rd1 c4 19.Bd4 Qa3=+) 18...Nf4 19.Qf4 Qd2 20.Qd2 Rd2 21.Bb5 Rb2 22.a4 Be5 23.Rab1 c4 24.Bc4 Ra4 25.Rb2 Bb2 26.Bd3 Bd4 27.Rc1 Kg7 (27...Ra3 28.Be2=+) 28.Bc4 (28.Kf1 Kf6=) 28...Ra3 (28...e6 29.g3=+) 29.Rd1 (29.Kf1 e6=) 29...e5 30.Kf1 Ra4 (30...Rc3 31.Bd3=) 31.Rc1 (31.Bd5 f5=) 31…Ra1 ½–½. Meduna,Eduard (2460) – Konopka,Michal (2415), Lazne Bohdanec, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4)

8.Bd3 dc4 9.Nc4 Nbd7 10.a3 Nb6 11.Nce5 Be6 (11...Bf3 12.Qf3 Na4 13.Bc1+=) 12.0-0 a5 13.Ng5 Nbd5 (13...Qd6!?+=) 14.Ne6+/– fe6 15.b5 cb5 16.Bb5 Qb6 (16...Nc7 17.Bd3+/–) 17.Qe2 Rac8 18.Rfc1 Rc1 19.Rc1 (19.Bc1?! Nc3 20.Qb2 Qb5 21.Qc3 Ne4=) 19...Qd6 20.e4 Nf4 21.Qe3 g5 (21...Bh6 22.Rc2+–) 22.f3 N6h5 (22...h6 23.g3 Nh3 24.Kg2+–) 23.g3 Qb6 24.Rc5 Rd8 25.gf4 Nf4 26.h4 h6 27.hg5 hg5 28.Nc4 Qa7 29.Rg5 Nh3 30.Kg2 Ng5 31.Qg5 Kf8 32.Ne5 Be5 33.Qe5 (33.Qe5 Qb6 34.a4 Qb5 35.ab5+–) 1–0. pcmvr (2800) – bonooman (2465), net–chess.com, 2007.

8.Bd3 Nbd7 9.0-0 Qb6 10.Qb3 a5 11.a3 ab4 (11...Qd8 12.Rfc1+=) 12.ab4 Bf3 (12...dc4 13.Nc4 Qc7 14.Ng5+=) 13.Nf3 Qc7 (13...dc4 14.Bc4 e6 15.Rfc1+=) 14.Rfc1 Qd6 (14...dc4 15.Bc4 e6 16.Bd3+=) 15.c5 Qc7 16.b5 Ra1 (16...cb5 17.Bb5 Rfc8 18.Rcb1+–) 17.Ra1 Rb8 (17...e5 18.b6 Qd8 A) worse 19.de5 Nc5 20.Qc2 A1) 20...Qb6?? 21.ef6 Nd3 22.fg7+– (worse 22.Qd3 Qb2 23.Rb1 Qf6–+); A2) 20...Nd3?! 21.Qd3 Nd7 22.Bd4=+; A3) 20...Nfd7=+; B) 19.Nd2+–) 18.b6 (18.Ra7 Qc8+–) 18...Qc8 19.Ra7 Ra8 20.Qa4 Rb8 (20...Ra7 21.ba7 Qa8 22.Ne5+–) 21.Nd2 (21.Qa1 Qe8+–) 21...Nf8 (21...e5 22.Be2+– (22.de5?! Nc5 23.Qa3 Nfd7=+)) 22.Nb3 (22.Bc3 e5+–) 22...Ne6 23.f3 (23.Qa1 h6+–) 23...Bh6 (23...Ng5 24.Qa5+–) 24.Kf2 (24.Bc1 Bg7+–) 24...Kh8 (24...Qd7 25.Bc1+–) 25.h4 (25.Bc1 Qd7+–) 25...Bg7 (25...Ng7 26.Bc1+=) 26.Qa1 h5 27.Na5 Nd8 28.Nb7 (28.Kg1 Kh7+–) 28...Nb7 (28...Rb7 29.Ba6 Ra7 30.Bc8 Ra1 31.Ba1+–) 29.Ba6+– Kh7? (better 29...Ne8 30.Bb7 Rb7+=) 30.Bb7+– Rb7 (30...Qe6+–) 31.Rb7 Qb7 (31...Qe6 32.Rc7 Bh6 33.Bc1+–) 32.Qa7 (32.Qa7 Qd7 33.b7+–) 1–0. Pieter,Reiniers – Quentin,Tillo, Hengelo U14 op, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 Bg4 7.Nbd2 c6)

8.Bd3 Nbd7 9.0-0 Re8 10.Qc2 Bf3 11.Nf3 (worse is 11.gf3 e5+=) 11...e5 12.de5 Ng4 13.cd5 Nde5 14.Be2 cd5 15.Ne5 Ne5 16.Rad1 Qe7 17.Qb3 Rad8 18.a4 The isolani on d5 becomes a target 18...Qe6 19.a5 Nc6 20.Bg7 Kg7 21.Bf3 Ne7 22.Rd4 Rd6 23.Rfd1 Rc8 24.h3 (24.Bd5? A) 24...Nd5?! 25.Qb2= (25.Rd5?? Rd5 26.h3 Rc4–+); B) 24...Rd5 25.Rd5 Nd5–+) 24...Qe5 25.Bd5 Rd5 26.Rd5 Nd5 27.Rd5 Rc1 28.Rd1 Rc3 29.Qa2 a6 (29...b6 30.a6+/–) 30.Qa1+– Qf6 31.Rd7 Kh6? (better is 31...Qe5+–) 32.Re7! (32.Re7 Qc6 33.Kh2 Qd6 34.g3 Qe7 35.Qc3+–; 32.Rb7?! Qc6 33.Kh2 Rc1+/–) 1–0. Utegaliyev,Azamat (2440) – Agmanov,Zhandos (2240), Kazakhstani Championship, 2015. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.d4 0-0 7.Nbd2 Bg4)

8.Bd3 Bf3 9.Nf3 Na6 (9...dc4 10.Bc4 Na6 11.a3+=) 10.Qb3 Nc7 11.0-0 a5 (11...Ne6+=) 12.b5 (12.ba5 dc4 13.Bc4 Ncd5+/–) 12...cb5 (12...a4!? 13.Qb4 dc4 14.Bc4 cb5+=) 13.cb5+= Ne4 (13...a4 14.Qb4+=) 14.Rfc1 (14.a4+/–) 14...Rc8 (14...Ne6 15.Rc2+=) 15.Rc2 (15.b6 Ne6 16.Rc8 Qc8 17.Qd5 N4c5+–) 15...Na8 (15...a4 16.Qa4 Qd7 17.Rac1+/–) 16.Rac1 (16.Rc8!? Qc8 17.Qd5+–) 16...Nb6+/– 17.Rc8 Nc8 18.Qc2 Ned6 19.Ba3 Re8 20.Qc7+– Qc7 21.Rc7 b6 22.Kf1 f6+/– 23.Nd2 f5 24.Nb1 Bf8 25.Nc3 e6 26.Rc6 Ne4 27.Be4 Ba3 28.Bd3 Kf7 29.Na4 Ne7 30.Rb6 Rc8 31.Ra6 Bb4? 32.Nc5! e5? 33.b6 ed4 34.ed4 Re8 35.g3 Nc6 36.Bb5 Re1 37.Kg2 Nd8 38.Ra8 Ke7 39.Ra7 Kf8 40.Rd7 Re8 41.Rd5 Bc5 42.dc5 (42.dc5 a4 43.Be8+–) 1–0. Ferrufino,Boris (2170) – Mellace,Andrew (2080), 40th Men Olympiad, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 0-0 7.Bb2 Bg4)

8.cd5 Nd5 9.a3 a5 10.ba5 Qa5 11.Bc4 Nc3 12.Bc3 (12.Qb3!? Na4 13.0-0=) 12...Qc3+= 13.Qc1 Qa5 (better is 13...Qc1!? 14.Rc1 Ra3–/+) 14.0-0= Nd7 15.Nb3 Qc7 16.Be2 e5 17.h3 Bf3 18.Bf3 ed4 19.ed4 Qd6 20.Ra2 Rad8 (20...Bd4? 21.Nd4 Ne5 22.Qc3+–) 21.Rd1 Nb6 22.Qc5 Qc5 23.Nc5 Nd5 24.Nb7 Rb8 25.Nc5?? (better is 25.Rb2+/–) 25...Nc3+= 26.Rda1? Na2–+ 27.Ra2 Rbd8 28.Bc6 Rd4 29.a4?? Rc4 30.Nd7 Rc6 31.Nf8 Bf8 32.a5? Ra6 33.Ra4 Kg7 34.Kf1 Bd6 35.Ke2 Be5 36.Kd3 Bc7 37.g4 Ra5 38.Ra5 Ba5 39.f4 f5 40.Ke3 fg4 41.hg4 Bb4 42.Ke4 Ba3 43.g5 Bc1 44.Kf3 Kf7 45.Kg4 Ke6 46.Kf3 Kf5 47.Kg3 Bf4 (47...Bf4 48.Kf2 Kg5 49.Kf3 h5 50.Kg2 Kf6 51.Kf3 g5 52.Kf2 h4 53.Ke2 g4 54.Kd3 h3 55.Ke4 Kg5 56.Kd5 h2 57.Kd4 g3 58.Kc3 g2 59.Kd4 g1Q 60.Kc4 h1Q 61.Kb5 Qd5 62.Ka6 Qa1 63.Kb6 Qaa5#) 0–1. bratek55 (1625) – amator17, kurnik, 2011.

8.Be2 a5 9.a3 Nbd7 (9...ab4 10.h3 Bf5 11.ab4=) 10.0-0 ab4 11.ab4 Ra1 12.Qa1 Ne4 13.Bd3 f5 (13...Bf5!? 14.Be2 Ndf6+=) 14.b5 e6 15.Qa7 (15.Qa3 c5+=) 15...Rf7 16.Ra1 (16.Qb7?? Ne5 17.Qf7 Nf7 18.bc6 Qb6 19.cd5 ed5–+) 16...Bf3 17.Nf3 Bf8 (17...Ndc5! 18.Be2 cb5 19.cb5 Rc7+=) 18.Be2 (18.Qb7? Ne5 19.Qa8 Qa8 20.Ra8 Nd3–+) 18...g5 (better is 18...Qc8!?+/–) 19.Qb7+– g4 20.Ne1 Nb8? (20...Ne5 21.Qa8 Qa8 22.Ra8 Nc4 23.Bc4 dc4 24.bc6 Kg7+–) 21.Qa8+– Bd6 22.g3 f4 23.ef4 dc4 24.Bc4 Rf4 25.Be6 Kg7 26.Qb7 Kg6 27.gf4 (27.gf4 Qc7 28.f5 Kh6 29.Qc7 Bc7 30.bc6+–) 1–0. Banikas,H (2570) – Darmarakis,M (2190), 58th ch–GRE, Rhodes GRE, 2008. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.b4 Bg7 6.Bb2 Bg4 7.Nbd2 0-0)

8.Be2 a5 9.ba5 Qa5 10.0-0 Rc8 11.Nb3 Qd8 12.a4 Ne4 13.Qc2 Na6 14.c5 b6 15.Ba6 Ra6 16.Nfd2 Nd2 17.Qd2 Rb8 18.Bc3 b5 19.ab5 Ra1 20.Ra1 Rb5 21.Qa2 h5 22.Qa8 e5?? 23.Nd2 Qa8= 24.Ra8 Kh7 25.h3 Be6 26.Ra6 ed4 27.Bd4 Bd7 28.Nf3 Bd4 29.ed4 Rb7 30.Ne5 Be8 31.Nc6 Bc6 32.Rc6 Rb4 33.Rf6 Kg7 34.Rf4 f5 35.Kf1 Kf6 36.h4 Ke6 37.Ke2 Ra4 38.Kd3 Ra3 39.Kc2 Ra4 40.Kc3 Kd7 41.Rf3 Ra2 42.Rg3 Rf2 43.Rg6 f4? 44.Rd6 Kc7 45.Rd5 1–0. Krasenkow,M (2605) – Dragun,K (2425), Trzcianka Poland, 2nd Dziedzic Mem, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.Bb2 0-0 6.e3 c6 7.c4 Bg4)

8.Be2 a5 9.b5 cb5 10.cb5 Nbd7 11.a4 (11.Rc1 Rc8+=) 11...Rc8 12.0-0 Qb6 13.Ba3 (13.Nb3 Ne4=) 13...Rfe8 14.Rc1 Rc1 15.Qc1 e5 16.de5 Ne5 17.Bc5 Qd8 (17...Qe6 18.Nd4 Qc8 19.Bg4 Nfg4 20.Qa3=) 18.h3 (18.Rd1 Bf3 19.Nf3 Ne4+=) 18...Bf3= 19.Nf3 Ne4 20.Ne5 (20.Bd4 Nf3 21.Bf3 Bd4 22.ed4 Ng5=) 20...Be5 (worse is 20...Nc5 21.Qc5 Re5 22.Rd1+/–) 21.Ba3 (21.Bf3 Qf6= (worse is 21...Nc5 22.Qc5 d4 23.Rd1+/–)) 21...d4 (21...Nc3 22.Qc2=) 22.Bd3 (22.Bf3 Qd5=) 22...Nc3 23.Qc2 de3 24.fe3 Qd5 25.Bb2 Rc8 26.Rc1 Rc5–/+ 27.Bc3 Rc3 28.Qc3 Bc3 29.Rc3 Qd6 30.Rc8 Kg7–+ 31.Bc2 f5 32.Kf2 h5 33.h4 Qd7 34.Rc5 f4 35.Ke2 Qg4 36.Kd3 Qg3 37.Rc7 Kh6 38.Rb7 fe3 39.Bd1 e2! 40.Ke2 Qg2 (40...Qg2 41.Ke3 Qb7–+) 0–1. Bendig,Frank – Nicholls, corr ICCF EU–I–1749, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 Bg4 7.Nbd2 c6)

8.Be2 Na6 9.a3= Rc8 (9...Nc7 10.0-0=) 10.0-0+= h6 (10...Nc7 11.Bd3+=) 11.Bd3 Nc7 12.c5 Nb5 (12...Bf5 13.Bf5 gf5 14.Ne5+=) 13.Qc2 a6 (13...e6 14.a4 Nc7 15.b5+–) 14.Ne5 Bd7 15.a4 Nc7 16.Bc3 Be8 17.f4 e6 (17...Nd7 18.Ndf3+–) 18.Rf3+– Nd7 19.Rg3 Ne5 20.fe5 Qh4 21.Nf3 Qe7 22.Be1 Kh8 23.Rb1 Rg8 24.Rg4 Ra8 (24...f5 25.ef6 Bf6 26.Bg3+– (26.Bg6? h5 27.Bh5 Bh5–+)) 25.Bh4 Qd7 26.Qf2 Rc8 (26...a5 27.Bf6 Rf8 28.ba5+–) 27.Bf6 b5 (27...Rf8+–) 28.Qh4 ba4 (28...h5 29.Qg5 Rf8 30.Qh6 Kg8 31.Qg7) 29.Qh6 1–0. Pierre – Nofat, internet, 2019.

8.Be2 Qb6 9.Bc3 Nbd7 10.0-0 e6 11.h3 Bf3 12.Bf3 Rfe8 13.Qb3 dc4 14.Nc4 Qc7 15.e4 Nb6 16.Rac1 Nc4 17.Qc4 Rac8 18.Rfe1 Bh6 19.Rc2 Nd7 20.a4 Nb6 21.Qb3 Bg7 22.Rd1 Qf4 23.a5 Nd7 24.e5 f6 (24...Red8 25.a6 ba6 26.Bd2+/–) 25.Bd2 (25.Bd2 Qh4 26.Rc4 fe5 27.d5+/–) 1–0. Janek – Vance, internet, 2016.

8.Be2 dc4 9.Nc4 Nd5 10.a3 Nd7 11.0-0 N7b6 (11...Bf5 12.Rc1=) 12.Nce5 (12.Na5 Qc7+=) 12...Bf3 (12...Bf5 13.Nd2=) 13.Nf3 (13.Bf3 Be5 14.de5 Nc4+=) 13...Re8 (13...a5 14.Qb3+=) 14.Rc1 (14.g3 Nc7+=) 14...Nd7 (14...Nc8 15.b5+=) 15.Bc4 (15.g3 Qb6+/–) 15...N5b6+= 16.Bb3 e5 (16...a5 17.e4+=) 17.de5 (17.h4 e4 18.Ng5 Nd5+=) 17...Ne5 18.Ne5 (18.Nd4 Qe7+=) 18...Be5= 19.Be5 Re5 20.Qd8 (20.Rc5 Re7=) 20...Rd8= 21.Rfd1 Rb8 (21...Rd1 22.Rd1 c5 23.Ba2=) 22.Kf1 (22.g3+=) 22...a5 (22...Kg7!?+=) 23.Rc5+/– Rbe8 (23...Rc5 24.bc5 a4 25.Ba2+/–) 24.Ra5+– R5e7 (24...Kg7 25.Ke2+–) 25.Ke2 (25.Ra7 Nc8 26.Ra8 Kg7+–) 25...Nd7 26.Ra7 Ne5 27.h3 Kg7 28.Rd6 (28.g4 h6+–) 28...f5 29.Kd2 (29.f4 Nf7 30.Rd3 h5+–) 29...g5 (29...Nf7 30.Rd4+/–) 30.f4 (30.Kc3 g4+–) 30...gf4+/– 31.ef4 Ng6 (31...Nf7 32.Rd3+/–) 32.g3 Re2 33.Kc3 R8e7 (33...R8e3 34.Rd3 Kh6 35.Rb7 Rd3 36.Kd3+–) 34.Bc2 (34.a4 Rg2 35.Rd3 Rg1+–) 34...R2e3 (34...Rg2 35.Rd3+/–) 35.Rd3+– Kf6 (35...Re2 36.a4+–) 36.h4 (36.Ra5 R3e6+–) 36...Nh8 (36...Rd3 37.Kd3 Nf8 38.Ra5+/–) 37.Ra8 (37.Ra5!? R3e6+–) 37...Nf7+/– 38.Rb8 (38.Kd4 Re2 39.Bd1 Rd7 40.Kc4 Rd3 41.Kd3 Rg2+/–) 38...Nd6 39.Kd4 (39.Rg8!?+/–) 39...Nb5= 40.Kc5 Na3 41.Rd6 Kg7 42.Bf5?? (42.Bd3 Rg3 43.Kb6= (43.Bf5?? Rc3 44.Kb6 Nc4 45.Kc5 Ne3 46.Kd4 Nf5 47.Kc3 Nd6–+)) 42...Rc3–+ (42...Rg3 43.Rd3 Rd3 44.Bd3=) 43.Kd4?? (43.Kb6 Nc4 44.Kc5 Ne3 45.Kd4 Nf5 46.Kc3 Nd6 47.Kd4–+) 43...Nb5 0–1. Natarov,Ilya – Bubnov,Kirill, 4th Basamro International, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bg4)

8.Be2 dc4 9.Nc4 Nd5 10.a3 (10.0-0 Nd7=) 10...Nd7= 11.0-0 h6 (11...Bf5 12.Nfd2 N7f6 13.Bf3+=) 12.h3 Be6 13.Na5 Qc7 14.Rc1 Rad8 15.Qc2 f5 16.Rfd1 Bf7 17.Nc4 a6 18.Nce5 Ne5 19.Ne5 Kh7 20.Nf7 (20.h4 h5+/–) 20...Rf7+= 21.Bf3 e6 22.Qc4 (22.g3 h5+=) 22...Qe7 23.Re1 h5 24.Qc2 Qg5 25.Re2 Bf8 26.Rce1 Bd6 27.Bc1 Bb8 28.Bd5 cd5 (28...Rd5?? 29.e4 Bf4 30.Bf4 Qf4 31.ed5 cd5 32.Qd3+–; worse is 28...ed5 29.e4 f4 30.Qb3+=) 29.e4 Qh4 (29...f4 30.ed5 ed5 31.g3+=) 30.ed5 ed5 31.Qd3 Ba7 (31...Bd6 32.Bd2+/–) 32.Bb2 (32.Qd2 f4+/–) 32...Rc8 33.Re8 (better is 33.Re6!?+/–) 33...Re8= 34.Re8 Re7 35.Re7 Qe7 36.Kf1 Kg7 37.Qe2 Qe4 38.Qe4 de4 (38...fe4 39.Ke2=) 39.Ke2 (39.d5!? Kf8 40.Be5=) 39...Kf7+= 40.d5 Bb8 41.Bd4 b5 42.Ke3 g5 (42...Ke7 43.Bc5 Kd7 44.Kd4+=) 43.g3 (43.Bc5 Kf6 44.Bd4 Ke7 45.Bc5 Kd7+=) 43...h4+= 44.gh4 Bf4 45.Ke2 gh4 46.f3 (46.Be3 Be5+=) 46...Bc1 (46...ef3 47.Kf3 Bc1 48.Bf2+=) 47.fe4 fe4 48.Bf2 Kf6 49.Bh4 Ke5 50.Be1 Kd5 51.h4 Ke5 52.h5 Kf5 53.Bc3 Ba3 54.h6 Kg6 55.Ke3 Kh6 56.Ke4 Kg6 57.Kd5 Kf5 58.Kc6 Ke4 59.Kb6 Kd3 60.Ka6 Kc4 Exerts pressure on the isolated pawn 61.Ka5 Bc1 62.Be1 Bg5 63.Ka6 Bd8 64.Bd2 Be7 65.Ka5 Bh4 66.Ka6 Be7 67.Ka5 Bb4 (67...Bd6 68.Bc3+=) 68.Bb4= Kd5 69.Kb5 1–0. Rajdeep,Sarkar (2145) – Kantans,Toms (2485), Pune IND, World Ch U20 (b), 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Bb2 Bg4)

8.Be2 dc4 9.Nc4 Nbd7 10.0-0 Nb6 11.Na5 Rb8= 12.h3 Bf5 13.Rc1 Qd6 14.a3 Be4 15.Ne5 Nfd7 16.Nec4 Nc4 17.Nc4 Qc7 18.Bf3 Bf3 19.Qf3 Nb6 20.Na5 Qd7 21.Rfd1 e6 22.Nb3 Rfd8 23.Nc5 Qe7 24.e4 Nd7 25.Qe2 a6 26.Nb3 Nf6 27.Na5 Ne8 28.Rd3 Qh4 29.Rcd1 Rd7 30.Nc4 Nf6 31.Ne5 Rdd8 32.Re1 Nh5 33.g3 Qe7= 34.Red1 Ra8 35.Nc4 Qc7 36.Bc1 Bh8 37.Qf3 b5 38.Na5+/– e5 39.de5 Rd3 40.Rd3 Be5 41.Qd1 Re8 42.Kg2 Bg7 43.Qf3 c5= 44.Be3 c4+= 45.Rd1 Bb2 46.g4 Nf6 47.Bf4 Be5 48.Bc1 Kg7 49.Qe3 Qc8 50.f4 Ba1 51.e5 Ng4 52.Qe2 Nh6 53.Be3+/– Qa8 54.Kh2 Rd8 55.Ra1 Nf5 56.Qf2 Ne3 57.Qe3+/– Rd3 58.Qe2 Qd5 59.Ra2 c3 60.Rc2 Qd4 61.Qf2= Qe4 62.Re2 Qf5 63.Qf1 Rd4 64.Rf2 c2 65.Nb3 Rd3 66.Nc1? Rd1–+ 67.Qe2 Rc1 68.Qd2 Rd1 69.Qc2 Rd3 70.Qe2 Qh3 71.Kg1 Ra3 0–1. Miltner,A (2380) – Manik,M (2470), MTO, Biel SUI, 2003. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.Nbd2 c6 7.c4 Bg4)

8.Be2 dc4 9.Nc4 Nbd7 10.0-0 Nb6 11.Nce5 Bf3 (11...Bf5 12.a3=) 12.Nf3 (12.Bf3 Nfd7 13.Nd3 Nc4+=) 12...e6 (12...Nbd5 13.a3+=) 13.b5 1–0. DEFFM – GuestPRSJ, freechess.org, 2018.

8.Be2 Qd6 9.a3 Nbd7 10.0-0 Bf3 11.Nf3 Ne4 12.Qb3 Rad8 13.Rad1 Kh8 14.Ne1 e6 15.Nd3 Qe7 16.Nc5 Nd6 17.Nd7 Rd7 18.cd5 cd5 19.a4 Rc8 20.Rc1 Rdc7 21.Rc7 Rc7 22.b5 Qd7 23.Rc1 Rc1 24.Bc1 Qc7 25.Ba3 Nc4 26.Qb4 b6 27.Bc4 dc4 28.Qd6 Qd6 29.Bd6 e5 30.de5 (30.de5 c3 Passed pawn; 30.Be5 Be5 Combination) 30...c3 31.Kf1 c2 32.Ba3 Be5 33.Ke2 g5 (better is 33...Bh2!? 34.Bb2 Kg8+=) 34.h3+/– h5 35.f3 Kg7 36.Kd3 Kf6 37.Kc2 Ke6 38.Kd3 Kd5 39.Bb4 f5 40.Be7 g4 41.fg4 fg4 42.Bg5 Kc5 43.Bf4 Bf6 44.hg4 hg4 45.Bb8 Kb4 46.Ba7 Bd8 47.Bb8 Ka4 48.Kc4 1–0. Van Gool,Rudi – Michielsen,Joost (2310), NRW Class1, 2008. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bg4)

8.Be2 Ne4 9.0-0 Nd2 10.Nd2 Be2 11.Qe2 Nd7 12.Rfd1 (12.b5 Nf6=) 12...Re8 (12...e6 13.a4=) 13.a4 White prepares the advance b5 13...a6 (13...Nf6 14.e4=) 14.h3 (14.a5 e6+=) 14...e6 15.b5 ab5 16.ab5 Qe7 17.Nf3 (17.Rdc1 Qf6=) 17...Qb4 18.bc6 bc6 19.cd5 cd5 20.Qd2 (20.Rdc1 Reb8=) 20...Qb5 (20...Qd2 21.Nd2 Rec8 22.Ra8 Ra8 23.Rb1=) 21.Bc3 Ra1 (21...Nb6 22.Qe1=) 22.Ra1 Rb8 (22...Nf6 23.Qd1=) 23.Qa2 (23.Ba5 Ra8=) 23...Nf6=+ 24.Be1 Ne4 25.Qc2 Qb2 26.Qb2 Rb2 27.Ra8 Bf8 28.Ra1 (28.Ne5!? Rb1 29.Kf1=) 28...f6=+ 29.Kf1 g5 30.Ng1 h5 31.Ne2 h4 32.Nc3 Nc3 33.Bc3 Rc2 34.Be1 Kf7 (34...f5 35.Ra7=+) 35.Rb1 (35.Ra7 Kg6=) 35...Ba3 (35...e5 36.Ba5=+) 36.Rb3 (36.Rb7 Kg6=+) 36...Bb2 37.Rd3 Kg6 ½–½. Schlosser,P (2510) – Kozul,Z (2615), GRENKE Chess Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4)

8.Be2 Ne4 9.Ne4 de4 10.Nd2 Be2 11.Qe2 f5 12.0-0 e5 13.de5 Nd7 14.Rad1 Qe7 e5 seems the pivot of the position 15.c5 Ne5 16.Be5 Be5 17.Nc4 Bg7 18.Nd6 White prepares the advance b5 18...Be5 19.Qc4 Kh8 20.b5 Rf6 21.bc6 bc6 22.Qb4 Qc7 23.g3 (23.Rd2 Rb8 24.Qa3 Rff8+=) 23...Rb8 24.Qa3 Rff8 25.Kg2 Bf6 26.Qa4 a5 27.Rb1 h5 28.h4 Be7 29.Qc4 Bd6 30.cd6 Qd6 31.Rfd1 Qf6 32.Rb8 Rb8 33.Rd7 Rg8 34.Rf7 Qe5 35.Qc6 Rg7 36.Rf8 Kh7 37.Ra8 Rc7 38.Qb6 Rd7 39.a4 f4 (39...Qa1!?+/-) 40.gf4 Qf5 41.Kh2 (41.Ra5 Qg4 42.Kh2 Qh4 43.Kg2 Rd2 44.Qb7 Kh6 45.Qh7 Kh7 46.Ra7 Kh6 47.Rh7 Kh7 48.a5 Qf2 49.Kh3 Qh2; 41.Qa5?! Qg4 42.Kh2 Qh4 43.Kg2 Qg4 44.Kh2 Qe2=) 41...Qf7 42.Qb8 Qg7 43.Ra5 Rb7 (43...Rc7 44.f5 Rf7 45.fg6 Qg6 46.Qg3+-) 44.Qa8 (44.Qe5 Rb4+-) 44...Qb2 45.Kg2 Re7 (45...Qg7 46.Rg5 Qf7 47.a5+-) 46.Ra7 Qg7 47.Re7 Qe7 48.Qd5 Qh4 (48...Qe8 49.f5 gf5 50.Qf5 Kh8+-) 49.Qg5 (49.Qe4?! Qg4 50.Kh2 Qh4 51.Kg1 Qg4 52.Qg2 Qd1 53.Kh2 Qa4+/-) 49...Qg4 50.Qg4 hg4 51.a5 1-0. objorn (2455) - drengur1 (2175), gameknot.com, 2018.

8.Be2 e6 9.0-0 Nbd7 10.h3 Bf3 11.Nf3 Re8 12.a3 Ne4 13.Rb1 Rc8 14.Bd3 f5 15.Ne5 Qc7 16.f4 Ndf6 17.Rf3 Nd6 18.c5 Nf7 19.Nf7 Qf7 20.b5 Nd7 21.a4 Rb8 22.Ba3 Nf6 23.Rf2 Ne4 24.Be4 fe4 25.a5 Bf8 26.Rfb2 Rbc8 27.bc6 bc6 28.Rb7 Re7 29.a6 Qe8 30.Bc1 Ra8 31.Bd2 Rd7 32.R1b2 Rdd8 33.Qb1 Rdc8 34.Ba5 Be7 35.Bc7 Bd8 36.Be5 Be7 37.Rb8 Qd8 38.Ra8 Ra8 39.Rb8 Rb8 40.Qb8 Kf7?? 41.Qb7 Qa5 42.Bd6 Qd2 43.Kh2 Qa5 44.Qe7 (44...Kg8 45.Qf8) 1–0. De Jager,Jaap (2305) – Baete,Guy, Vlissingen HZ op 4th, 2000.

8.Be2 e6 9.0-0 Qe7 10.a4 Rc8 (worse is 10...Qb4 11.Ba3 Qa5 12.Bf8 Bf8 13.cd5 cd5 14.Ne5 Be2 15.Qe2+/–) 11.Ba3 Nbd7 12.a5 Bf3 13.Nf3 (worse is 13.gf3 dc4 14.Bc4 b5 15.ab6 ab6+=; worse is 13.Bf3 e5=) 13...Ne4 14.Bd3 b5 15.ab6 ab6 16.Qb3 Bf8 17.Be4 de4 18.Nd2 Nf6 19.Qc2 Ra6 20.Bb2 Ra1 21.Ra1 Qb4 22.d5 Qe7 23.dc6 Bg7 24.Bd4 Qc7 (24...Rc6 25.Ra8 Bf8 26.Qb2+=) 25.Ra6 e5 26.Bb6 Qc6 27.Qa2 Qd7 28.Ra7 Qe6 29.Ra6 Qd7 30.h3 h5 31.c5 Qf5? (better is 31...Bf8!?+=) 32.Ra7+– Nh7 33.Ne4 Rf8? (33...Bf8+–) 34.Nd6 Qf6 35.Qd5 (35.Nf7!? Rf7 36.c6 Ng5+–) 35...Ng5 (35...e4 36.Ne4 Qb2 37.Nd6+–) 36.c6 e4 37.Bd4 (37.Ne4?! Ne4 38.Qe4 Rc8+/–) 37...Qe6 38.Qe6 (38.Qg5?! Qd6 39.Bc5 Qd1 40.Kh2 Re8+–) 38...Ne6 39.Bg7 Kg7 40.c7 (worse is 40.Ne4 Rc8 41.Rf7 Kf7 42.Nd6 Ke7 43.Nc8 Kd8+–) 1–0. Guramishvili,Sopiko (2325) – Vojinovic,Jovana (2315), Wch U18 Girls, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 d5 6.d4 Bg4 7.Nbd2 0-0)

8.Be2 Be6 9.0-0 dc4 10.Nc4 Nd5 (10...Nbd7!?=) 11.Ng5+= Bc8 12.Qd2 e5 13.h4 (13.Ne4 ed4 14.Bd4 Bd4 15.Qd4 Qe7+/–) 13...ed4+= 14.Bd4 b5 (14...Bd4!? 15.Qd4 Na6+=) 15.Na5+/– Na6? (better is 15...Bd4 16.Qd4 h6+/–) 16.Nc6+– Qd7 17.Bg7 Kg7 18.Bf3 Qc6 (18...Nac7 19.e4 Qc6+–) 19.Bd5 (19.Qd5?! Qd5 20.Bd5 Rb8+/–) 19...Qd7 (19...Qd6 20.Qc3 f6 21.Ba8 Qb4 22.Ne4+–) 20.Qb2 f6 21.Ba8 1–0. Janek – Bonnie, internet, 2016.

8.Be2 Bf3 9.Bf3 Na6 10.Qb3 Nc7 11.a4 Qd7 12.0-0 a6 13.Rad1 Bh6 14.Rfe1 e6 (14...Ne6 15.h4+=) 15.Qc2 b5 16.cb5 cb5 17.a5 (17.Nb3 Nce8+/–) 17...Rfc8 18.Nb3 Nce8 19.Nc5 Qa7 20.Qb1 Nd6 21.g3 Bg7 22.Bg2 Rc7 23.f3 Rac8 24.e4 Nc4 (24...de4 25.fe4 Nc4 26.e5+=) 25.Bc1 (25.e5 Nd7=) 25...h6 (25...de4 26.fe4 e5 27.Bh3+=) 26.Bf4 White plans e5 26...Re7 27.g4 (better is 27.e5 Nd7 28.Bd2+=) 27...de4–/+ 28.fe4 Ng4 (better is 28...e5!? 29.g5 hg5 30.Bg5 ed4–/+) 29.e5= h5 30.h3 Nh6 31.Bg5 Ree8 32.Qe4 Nf5 33.Qf4 (33.Qb7 Ra8+=) 33...Ne7 34.Be4 Nd5 (34...Nc6!? 35.Bc6 Rc6+=) 35.Bd5= ed5 36.Kh1 Rc6 (36...Nb2 37.Rd2 Na4 38.Kg2=) 37.Rg1 (37.Qf3 Qc7+=) 37...Qc7 38.Qf3 Qc8 39.Rdf1 Rc7 40.Rg3 h4 (40...Bf8 41.Rfg1 Kh7 42.Bf6+=) 41.Rg2 Kh7? (41...Ra7 42.Bh4 Qc6 43.Qd3+/–) 42.Rfg1 (better is 42.Rg4+–) 42...Bf8?? (better is 42...Be5 43.de5 Ne5+=) 43.Rg4+– Bg7 44.Rh4 Kg8 45.Bf6 Re6 (45...Rc6+–) 46.Qf4 Rf6 47.ef6 Bf8 48.Qg5 Bg7 49.fg7 Kg7 50.Qh6 Kf6 51.Qg5 Kg7 52.Rf1 f5 53.Re1 1–0. Abatzidis,S (1935) – Aristotelous,V (1945), ch–CYP Open, 2015. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d5 6.e3 Bg4 7.Nbd2 c6)

8.Be2 Bf3 9.Bf3 Nbd7 10.0-0 Re8 11.a4 e5 12.cd5 e4 (12...Nd5 13.Bd5 cd5 14.de5 Ne5 15.Be5 Be5 16.Rc1=) 13.Be2 (better is 13.dc6!? bc6 14.Be2+/–) 13...Nd5= 14.Qb3 N7b6 15.a5 Nd7 16.Rac1 a6 17.Rfe1 Qg5 18.g3 h5 19.Bf1 h4 20.Bg2 hg3 21.hg3 (21.Ne4? gf2 22.Kf2 Qf5 23.Kg1 Re4 24.Be4 Qe4–+; 21.fg3?! N7f6=; worse is 21.Be4 gf2 22.Kf2 Re4 23.Ne4 Qf5 24.Ke2 Qe4–+) 21...Bf8?? (better is 21...N7f6=) 22.Ne4+– Qg4 23.Nc5 Nc5 24.dc5 (24.Rc5?! Bc5 25.bc5 Qd7=) 24...Nb4?? (better is 24...Rad8+–) 25.Rc4 Nd5 (25...Qe6 26.Qb4 Be7+–) 26.Rg4 (26.Rg4 Rad8 27.Rh4+–) 1–0. futsalboy (1730) – heinzel (1655), kurnik, 2011.

8.Be2 Bf3 9.Bf3 e6 10.0-0 Nbd7 11.g3 Nb6 12.Rc1 Qe7 13.Qb3 White prepares b5 13...Rfc8 14.Rfe1 Bf8 15.a3 Nbd7 16.b5 Rab8 17.Qa4 Ra8 18.bc6 bc6 19.Rb1 Nb6 20.Qa6 Rcb8? (better is 20...dc4!? 21.Nc4 Nc4 22.Qc4 Rab8+=) 21.c5+– Nc4?? (better is 21...Nbd7 22.Qc6 Rc8+–) 22.Nc4 dc4 23.Bc6 (23.Qc6?! e5+–; 23.Qc4?! Nd5+–) 1–0. Janek – Felix, internet, 2016.

9.0-0 a6 10.a4 Re8 11.h3 Bf3 12.Nf3 Ne4 13.Qb3 e6 14.Rfd1 Nd6 15.Ne5 f6 16.Nd7 Qd7 17.cd5 cd5 18.Bg4 f5 19.Be2 b5 20.ab5 ab5 21.Ra2 Ra2 22.Qa2 Rc8 23.Rc1 Rc1 24.Bc1 Qc6 25.Bd2 Bf8 26.Bd3 Nc4 27.g4 Kf7 28.g5 Be7 29.h4 Kg8 30.f4 Bf8 31.Kf2 h6 32.gh6 Bh6 33.Be1 Bf8 34.Kf3 Nd6 35.h5 Qc1 (35...gh5 36.Qg2 Kh7 37.Qh3–/+) 36.Qf2 (better is 36.Qg2!? Qd1 37.Be2 Qe1 38.Qg6 Kh8 39.Qf6 Kg8 40.Qg6 Kh8 41.Qf6 Kg8 42.Qg6=) 36...gh5–/+ 37.Qg2 Kf7 38.Bh4?? (38.Qh1 Be7 39.Qh5 Kg7 40.Qh1 Qd1 41.Be2–+) 38...Ne4 (better is 38...Nc4 39.Bc4 dc4–+ (39...Qc4?! 40.Qh1–+)) 39.Bb5 Bb4 40.Be2 Bd2 41.Bd8? Be3 42.Qh3 Kg6 43.Qg2 Kh6 44.Qg8 Bd4 45.Bg5 Ng5 46.fg5 Qg5 47.Qe6 Qg6 48.Qg6 Kg6 49.Kf4 Bb2 50.Bd3 Kf6 0–1. Bondar,Wladimir (2130) – Kovtunovich,Vadim, Rodatychi op, 2006. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.e3 0-0 5.Be2 d5 6.0-0 Bg4 7.c4 c6 8.Nbd2 Nbd7 9.Bb2)

9.0-0 Qb6 10.a3 e6 (10...Bf5!?=) 11.h3+= Bf3 12.Nf3 Ne4 13.Qc2 Qd8 14.Bd3 f5 15.a4 g5 (15...Qc7 16.Rac1+=) 16.Ne5 (16.b5 c5+/–) 16...Ne5+= 17.de5 Qb8 18.f4 Qe8 (18...gf4 19.ef4 a5 20.Bd4+=) 19.b5 (19.Bd4 gf4 20.ef4 Qd7+=) 19...Kh8 (19...gf4 20.ef4 Qd8 21.cd5 Qb6 22.Kh2 cd5 23.a5+=) 20.a5 (20.bc6!? bc6 21.fg5 Ng5 22.Rac1+=) 20...gf4 21.ef4 (worse is 21.Rf4 Bh6 22.Rf3 dc4 23.Be4 fe4 24.Rf8 Qf8 25.bc6 Qc8 26.cb7 Be3 27.Kh2 Qb7=) 21...Rg8 22.a6 Bf8? (22...b6 23.bc6 Qc6 24.cd5 Qd5 25.Ra4+=) 23.Be4?? (better is 23.ab7 Rb8 24.Ra6 Rb7 25.Rc6=) 23...Bc5+= 24.Kh1 de4 25.Ba3 Ba3 26.Ra3 b6 27.c5 cb5 28.cb6 b4 29.Raa1 ab6 30.Qb3 Qg6 31.Rg1 Qh6 32.a7 Rg7 33.Qb4 Rga7 34.Ra7 Ra7 35.Qb6 Rg7 36.Rd1 Rg8 (36...Qf4?? 37.Qd8 Rg8 38.Qf6 Rg7 39.Rd8) 37.Rd8 Qg6 ½–½. De Francesco,Klaus (2245) – Lipok,Christoph (2210), Augsburg GER, Ibis Closed IM, 2013. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d5 5.c4 0-0 6.Bb2 c6 7.Nbd2 Bg4 8.Be2 Nbd7)

9.0-0 Qb6 10.Bc3 a6 (10...Qc7 11.Qc2=) 11.h3+= Bf3 12.Bf3 Qc7 13.Rc1 b5 14.cd5 ½-½. Pacl,V (2010) - Nemec,Pa (2230), 18th Marienbad Open, 2019. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bg4 7.Be2 Nbd7 8.c4 c6 9.0-0)

9.0-0 Rc8 10.h3 Bf3 11.Bf3 e6 (11...Re8 12.cd5 Nd5 13.Qb3+=) 12.Re1 Qc7 13.Rc1 Qb8 14.Qb3 White prepares b5 14...Nb6 15.a4 White plans b5 15...Rfe8 16.b5 dc4 17.Nc4 cb5 18.Nb6 ab6 19.ab5 Rc1 20.Rc1 Rc8 21.e4 Rc1 22.Bc1 Qc7 23.Be3 Ne8 24.e5 Bf8 25.Qa4 (25.Be4 Qe7+/–) 25...Ng7 (25...Qd7 26.Qa8+/–) 26.g4+– Qc3? (better is 26...Qd7+–) 27.Bb7 h5 28.Be4 hg4 29.hg4 Bb4 (29...Qc8+–) 30.Qa8 Kh7 31.Qb7 Ba5 (31...Qe1 32.Kg2 Qe2+–) 32.Qf7 Qe1 (32...Qa1 33.Kh2 Kh8 34.Bg6 Qa3 35.Bh6 Qg3 36.fg3 Nf5 37.Qh7) 33.Kg2 Qe2 (33...Qe3 34.Bg6 Kh6 35.fe3 Be1 36.g5 Kg5 37.Qf6 Kh6 38.Be4 Kh5 39.Bf3) 34.Bg6 Kh8 35.Qf8 1–0. Marcus – gvx17, internet, 2018.

9.a4 dc4 10.Nc4 Ne4 11.0-0 Rc8 12.h3 Be6 13.Qc2 Nd6 14.Na5 Bd5 15.Rfd1 b6 16.Nb3 f5 17.Nbd2 e6 18.a5 b5 19.Ne5 Bh6 20.Bf3 Ne5 21.de5+/– Nf7 22.Bd4 a6 23.Qb2 Bg7 24.Rac1 Re8 25.Bd5 cd5 26.f4 Qd7 27.Bc5 Bf8 28.Nb3 Bh6 29.Qf2 g5 30.Nd4 Kh8 31.Rc2 Rg8 32.Rdc1 Nd8 33.Be7 Rc4 34.Bf6 Bg7 35.fg5 Nc6 36.Rc4 bc4 37.Nc6 Qc6 38.Qh4 Qb5?? 39.g6 (39.g6 Bf6 40.Qh7#) 1–0. Mikhalchishin,A (2550) – Harestad,T (2235), 15th ECC Gp, 1999.

9.a4 Re8 10.h3 Bf3 11.Nf3 Ne4 12.0-0 Nb6 13.Qc2 Rc8 14.a5 Nd7 15.Rfc1 e6 16.Bd3 f5 17.Qb3 a6 18.Rc2 Nd6 19.Rac1 dc4 20.Bc4 Nc4 21.Rc4 Nf6 22.Qd1 Ne4 23.Ne1 Rc7 24.Nd3 Bf6 25.Qe2 Nd6 26.R4c2 Qe7 27.Rd1 Qg7 28.Nc5 Rf7 29.f3 Qh6 30.Qd3 g5 31.e4 fe4 32.fe4 Bg7 33.d5 ed5 34.Bg7 Kg7 35.ed5 cd5 36.Qd5 Nb5 37.Rf2 Rf2 38.Qd7 Rf7 39.Qe8 Qf6 40.Re1 Nd4 41.Kh1 Nf5 42.Ne6 Kh6 43.Nd8 Re7 44.Re7 Ne7 45.Qd7 Nf5 46.Qe6 Qe6 47.Ne6 Kg6 48.Nc5 Nd6 49.Kg1 Kf5 50.Kf1 Ke5 51.Ke2 Kd5 52.Nb7?? (better is 52.Kd3=) 52...Nb7–+ 53.b5 Nc5 (53...ab5?? 54.a6 Na5 55.a7+–) 54.ba6 Na6 55.Kf3 h5 56.h4 gh4 ½–½. Lenic,Luka (2580) – Nechepurenko,Roman V (2475), Wch U20 Gaziantep, 2008. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 c6 7.Be2 Bg4 8.Nbd2 Nbd7)

9.Qb3 dc4 10.Nc4 Be6 11.Qc2=.

9.Qb3 e6 10.a4 (10.h3!? Bf5 11.0-0=) 10...Ne4+= 11.Ne4 de4 12.Nd2 Be2 13.Ke2 Qh4 14.f4 (14.h3 Rad8+=) 14...Qg4 (14...f5!?–/+) 15.Kf2= Rad8 (better is 15...f5!?=) 16.h3+/– Qf5 17.g4 Qf6 18.Ne4 Qh4 (18...Qe7 19.Kg2+/–) 19.Kg2 f5 20.Ng5 fg4 (better is 20...Rde8+/–) 21.Ne6?? (better is 21.Qd1 g3 22.Ne6+–) 21...gh3–+ 22.Kf3 (22.Rh3 Qg4 23.Rg3 Qe6–+) 22...Nf6 23.Ke2 (23.Rag1 h2 24.Rg5 Qh3 25.Rg3 Qe6 26.Rh2 b5–+) 23...Ne4 (23...Ne4 24.c5 Qg4 25.Kd3 Nf2 26.Kc3 Rd5 27.Nf8 Nh1–+ (27...Kf8?! 28.Rhe1–+; 27...Bf8?! 28.Raf1 Nh1 29.Rh1–+)) 0–1. Kuznetsov,Petr – Iskulov,Viktor, Kemerovo U9, 2009. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4 8.Be2 Nbd7)

10.a3 ab4 11.ab4 Ra1 12.Qa1 Ne4=.

10.a3 ab4 11.h3 ba3 12.Ba3=.

10.a3 ab4 11.h3 Bf3 12.Bf3 ba3 13.Ba3 Re8 14.Qb3 dc4 15.Qb7 c3 16.Be7 Qe7 17.Ra8 Ra8? (better is 17...cd2 18.Qc6 Ra8 19.Qa8 Bf8+/–) 18.Qa8+– Nf8 (18...Qf8 19.Qf8 Bf8 20.Nb3+–) 19.Nb3 Qb4 (19...N6d7 20.Qc6 Qb4 21.Nc1+–) 20.Nc5 c2 21.Qc6 Qc4 (21...Qb1 22.Nd3+– (worse is 22.Rb1 cb1Q 23.Kh2 Qb2+=)) 22.Rc1 Qc3 23.Qa4 1–0. pierred (2795) – jlbaf (2445), net–chess.com, 2016.

10.a3 Re8 11.h3= Bf3 12.Nf3 e6 13.Qb3 Ne4 14.Rac1 (14.Bd3 Qe7=) 14...Qb8 (14...ab4 15.cd5 ed5 16.ab4=) 15.Rc2 (15.b5 Qd6+=) 15...ab4 16.ab4 b5 (16...Qd6 17.Bd3=) 17.c5 (17.cd5 cd5 18.Bd3 Nd6=) 17...f5 (17...Qc7 18.Bd3=) 18.Bd3= Bf6 19.Ra1 Qc7 20.Rcc1 Kf7 21.Ra3 Ra3 22.Qa3 (worse is 22.Ba3 e5+=) 22...e5 23.Ra1 Nf2 24.Kf2 e4 25.Qa7 Qc8 26.Bb5 ef3 27.Bf1 fg2+= 28.Bg2 Re7 29.b5 Bh4 30.Ke2 Nf6–/+ 31.Qa8 Qe6?? 32.Bc1= f4 33.Ra7 Qf5 34.Re7 Ke7 35.Qb7 Kf8 36.Qb8 Kg7 37.Qc7 Kg8 38.Qb8 Kg7 39.Qc7 Kg8 40.Qf4 Qc2 41.Bd2 Qc4 42.Kd1 Qb3 43.Kc1 Qa3 44.Kc2 Qa2 ½–½. Gerzhoy,Leonid (2445) – Gonzalez Zamora,Juan Car (2550), 40th Men Olympiad, 2012. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Nbd2 Bg4 7.Be2 Nbd7 8.c4 c6 9.0-0)

10.b5 c5 11.dc5 Nc5 12.Ne5 (12.Rc1 Bf5+=) 12...Be6 ½–½. Paikidze,N (2340) – Kudrin,S (2505), 6th Boardwalk Open, 2015. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Be2 c6 7.Bb2 Bg4 8.0-0 Nbd7 9.c4 a5)

10.b5 c5 11.cd5 cd4 (11...Nd5 12.Nc4+=) 12.Bd4+= Nd5 13.Bg7 Kg7 14.Rc1 N5b6 15.Ne4 Kg8 16.Qd4 Bf3 17.Bf3 (worse 17.gf3 e5 18.Qd3 a4=) 17...e5 18.Qb2 Qe7 19.Rc7 f5 20.Qb3 (20.Nc3 Qb4 21.Qa1 Rfc8 22.Rd7 Nd7 23.Bb7 Qc3 24.Ba8 Qa1 25.Bd5 Kf8 26.Ra1 Rc2+–) 20...Kh8+= 21.Nc5 a4 (better 21...Qd6!? 22.Nd7 Qc7 23.Nf8 Rf8+–) 22.Qc3 Qd6?? (better 22...Rac8 23.Nd7 Rc7 24.Qc7 Nd7 25.Bb7 Rf7+–) 23.Nd7 Nd7 (23...Rfc8 24.Rc8 Rc8 25.Ne5+–) 24.Rd1 (24.Rd1 Qc7 25.Qc7+–; 24.Bb7?! Rad8+–; 24.Rb7?! Rac8 25.Bc6 Nb8+–) 1–0. Stefanova,A (2485) – Devereaux,M (2370), Gibraltar Masters (9), 2018. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 c6 6.d4 Bg4 7.Nbd2 0-0 8.Be2 Nbd7 9.0-0 a5)

10.b5 c5 11.h3 Bf3 12.Bf3 cd4 13.ed4 Qb6 14.a4 dc4 15.Nc4 Qa7 16.Re1 Rfc8 17.Qb3 Bf8 18.Ne5 e6 19.Nd7 Nd7 20.d5 e5 21.Bg4 b6 22.Be5 Ne5 23.Bc8 Rc8 24.Re5 Bg7 25.Qe3 Be5 26.Qe5 Qd7 27.Re1 Rd8 28.Rd1 Re8 29.Qf6 Qd8 30.Qc6 Re5 31.d6 Rc5 32.d7 Kf8 33.Qd6 Kg7 34.Qd4 f6 35.Re1 Rc7 36.Re7 Qe7 37.d8Q Qe1 38.Kh2 Rf7 39.Q8b6 1–0. Bates – Mah, Guarapuava 1995.

10.b5 c5 11.h3 Bf3 12.Bf3 e6 13.Rc1 Rc8 14.dc5 Nc5 15.cd5 15...Nd5 16.Bg7 Kg7 17.Nb3 Nb3 18.Qb3 Qg5 19.Rfd1 Rc1 20.Rc1 Rd8 21.a4 Qe5 22.Rd1 Rd7 23.Bd5 Rd5 24.Rd5 ½–½. Roy Chowdhury,S (2455) – Rozentalis,E (2610), 14th OIBM Bad Wiessee GER, 2010. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.Nbd2 Bg7 5.b4 0-0 6.Bb2 Bg4 7.Be2 Nbd7 8.c4 c6 9.0-0)

10.b5 e6 11.a4 Re8 12.Rc1 Rc8 13.c5 Ne4 14.Ne4 de4 15.Nd2 Be2 16.Qe2 f5 17.Nc4 Re7 18.Bc3 Ra8 19.Qd2 Nf6 20.Ba5 Qf8 21.Qc2 Nd5 22.Bd2 g5 23.bc6 bc6 24.a5 e5 25.de5 Be5 26.f3 Qh6 27.Ne5 Re5 28.fe4 fe4 29.Qb3 Ree8 30.Rf5 Rf8 31.Rd5 cd5 32.Qd5 Kg7 33.Bc3 1–0. Tosic – Seitaj, Ankara 1995.

10.Nc4 Nb6 11.Na5 Qc7 12.h3 Bf3 13.Bf3 a6 14.Qb3 e6 15.Rac1 Rfd8 16.a4 White prepares the advance b5 16...Nbd5 17.Nc4 Qe7 18.b5 ab5 19.ab5 cb5 20.Qb5 Qb4 (20...Qe8!? 21.Qb3 Qa4+=) 21.Qb4+/- Nb4 22.Bb7 Rab8 23.Bf3 Nd3 24.Rb1 Rdc8 25.Be2?? (better 25.Ba3 Rb1 26.Rb1 Rc4 27.Rb8 Bf8 28.Rf8 Kg7 29.Rb8+-) 25...Nb2-+ 26.Rb2 Rb2 27.Nb2 Rc2 28.Nd3 Re2 29.Rc1 Rd2 (29...Bf8 30.Nc5-+) 30.Ne5 h6 31.Rc8 Kh7 (better 31...Bf8!?-+) 32.Nf7-/+ Ne4 33.f3 Rd1 34.Kh2 Nd2 35.Nd8? (better 35.Kg3-/+) 35...Nf1-+ 36.Kg1 Ne3 37.Kf2 Nf5 38.Ne6 Rd2 39.Kg1 (39.Ke1 Rg2 40.Rc7 Rg3-+) 39...Bd4 40.Nd4 Nd4 41.Rc7 Kg8 42.Ra7 Nf5 43.f4 h5 44.g4 Ne3 (44...hg4 45.hg4 Ne3 46.Ra8 Kg7 47.Ra7 Kf8 48.g5-+) 45.gh5 gh5 46.Ra5 (46.Ra8 Kf7-+) 46...Rd5 (better 46...Nd5!? 47.Ra4-+) 47.Ra3 Nf5 48.Kf2 Kg7 49.Kf3 Kf6 50.Ra6 Nd6 51.Kg3 Kf5 52.Ra8 Ne4 53.Kh4 Nf6 (53...Kf4?! 54.Rf8 Ke5 55.Kh5=+) 54.Ra4 Rd3 55.Rb4? (55.Ra5 Nd5-+ (55...Kf4?! 56.Rf5 Ke4 57.Rf6=)) 55...Rf3 (better 55...Nd5!? 56.Rb5 Kg6 57.f5 Kf5 58.Ra5-+) 56.Ra4 Re3 (56...Rf4?! 57.Rf4 Kf4=) 57.Rb4 Nd5 58.Rb5 Rd3 59.Kh5?? (59.Rc5-+) 59…Rh3 0-1. BabaRamdev (2700) - squat2depth (2610), Rated Blitz game, lichess.org, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.Be2 Bg4 8.0-0 Nbd7 9.c4)

10.Nc4 Nb6 11.Nce5 Bf3 12.Bf3 Nbd5 13.Qb3 e6 14.g3 (14.b5!? Nd7 15.Nd3+/-) 14...Nd7= 15.Nd3 Qg5 16.Nc5 Nc5 17.bc5 Rab8 18.h4 (18.e4 Nc7+=) 18...Qf6= 19.Bg2 Qe7 (19...b6 20.Ba3 bc5 21.Qc4 cd4 22.Bf8 Rf8 23.ed4 Qd4 24.Qc6=) 20.a4 (20.Qa3 Ra8=) 20...a6 (20...Rfd8 21.Rfd1=) 21.a5 f5 22.Rab1 Rf7 23.f3 (better 23.Rfd1=) 23...Ne3?? (better 23...e5 24.e4 Nc7 25.ef5 ed4 26.fg6 hg6=) 24.Qe3+- Qd7 (24...f4 25.Qf2+-) 25.Rfe1 (25.f4 Rd8 26.Rfd1 Re7+-) 25...Re7 (25...Rd8 26.h5+-) 26.d5! cd5 (26...cd5 27.Bg7 Combination; 26...Qd5 27.Bg7 Combination; 26...ed5 27.Qe7 Pinning (27.Qe7 Deflection)) 27.Bg7 Kg7?? (27...Rg7 28.Qe6 Qe6 29.Re6 Rc7 30.Ra6 Rc5+-) 28.Qe5 Kf7 29.f4 (better 29.Qb8 Qc7 30.Qh8 Qc5 31.Kh2+-) 29...Rd8 (29...Rc8 30.Rbc1+-) 30.Rb6 Rde8 (30...Qc8 31.Qd4+-) 31.h5! Qc7 (31...gh5 32.Re6 Combination) 32.Qd4 Rc8 (32...gh5 33.Kh1+-) 33.hg6 (33.Rbe6 Re6 34.Bd5 Qc5 35.Be6 Kf8 36.Qc5 Rc5+-) 33...hg6 34.Rc1 (better 34.Bd5 Qc5 35.Qc5 Rc5 36.Be6 Kf8 37.Re5 Rc1 38.Kf2 Rc2 39.Ke3 Rc3 40.Kd4 Rg3 41.Bd5 Re5 42.Ke5+-) 34...Rh8?? (34...Qd7 35.Bf3+-) 35.c6 (35.Qh8 Qd7 36.c6 bc6+-) 35...bc6 (35...Rc8 36.Bf1 bc6 37.Ba6 c5 38.Bc8 cd4 39.Be6 Ke8 40.Rc7 Rc7+-) 36.Rcc6 (better 36.Qh8 Rd7 37.Rb8 Qa7 38.Kf1 Qb8 39.Qb8 g5+-) 36...Qd8 37.Rd6 (better 37.Re6 Re6 38.Rb7 Qe7 39.Re7 Ke7 40.Qg7 Kd6 41.Qh8 Kc7+-) 37...Qf8 (37...Qc8 38.Re6! Re6 39.Re6 Qc1 40.Kf2 Ke6 41.Bd5 Kd7 42.Bg2 Ke6 43.Qe5 Kd7 44.Qg7 Kd6 45.Qg6 Ke7 46.Qg7 Ke6 47.Qe5 Kd7 48.Qf5 Ke7 49.Qe5 Kd7 50.Qg7 Kd6 51.Qh8 Qc5 52.Kf3 Qc6 53.Kg4 Qg2 54.Qd8 Ke6 55.Qb6 Kf7 56.Qa7 Ke8 57.Qa6 Ke7+-) 38.Bd5 Qh6 39.Be6 Re6 40.Rd7 (40.Re6?? Qh1 41.Kf2 Rh2 42.Ke3 Qc1 43.Kf3 Qf1 44.Ke3 Qe2) 40…Kf8 (40...Re7 41.Qf6 Kg8 42.Rb8 Qf8 43.Qf8 Kh7 44.Re7) 1-0. twardziel70 (1785) - faraneh19 (1720), Rated Blitz game, lichess.org, 2014. (=1.d4 d5 2.Nf3 g6 3.e3 Bg7 4.c4 Nf6 5.Nbd2 c6 6.b4 0-0 7.Bb2 Bg4)

10.Nc4 Nd5 11.Qb3 N5b6 12.Na5 Rb8 13.Rfd1 Be6 14.Qc2 Nf6 15.a3 Bd5 16.Rac1 Be4 17.Bd3 Bd3 (17...Bf3 18.gf3 Qd5 19.f4=) 18.Qd3+= e6 19.Qe2 Qe7 20.Ne5 Nfd7 (20...Qd6 21.e4 Nh5 22.Qc2+=) 21.Nd3 (21.Nac6 bc6 22.Nc6 Qd6 23.Nb8 Qb8+/-) 21...Rfd8 22.Nc5 Nc5 23.dc5 Bb2 24.Qb2 Nd5 25.Nc4 Nf6 26.Nd6 Ne8 27.Nc4 Rd7 (27...Nf6 28.Qe5+/-) 28.Ne5 Rd1 29.Rd1 Rd8 30.Qc2 Qf6 31.Nd7 (31.Rd8!? Qd8 32.Nc4+=) 31...Qe7= 32.Qd3?? (better 32.Ne5=) 32...Kg7-+ 33.Qc3 Nf6 0-1. sachista15 (2430) - zsolti_83 (2620), Rated Blitz game, lichess.org, 2021. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 Bg4 6.Be2 0-0 7.0-0 c6 8.Bb2 Nbd7 9.c4)

10.Nc4 Ne4 11.Rc1 Be6 12.a3 Bd5 13.Na5 Qc7 14.Ne1 Bh6 15.Nd3 Ndf6 16.Kh1 Nd6 17.Ne5 e6 18.Bd3 Nh5 (18...Rad8 19.Qc2+=) 19.Qe2 f5 20.f3 Qe7 21.Kg1 g5 (21...Rad8 22.Nac4+=) 22.Rce1 Rac8 23.Qc2 b6 (better is 23...Nf6!?+/–) 24.Nac6+– Qb7 25.b5 Bg7 (25...Nf7 26.Bc4 Ne5 27.Bd5 (27.Ne5?! Rc4 28.Nc4 Rc8=) 27...ed5 28.de5+–) 26.Qd2 (26.e4 fe4 27.fe4 Bc6 28.Rf8 Kf8 29.bc6 Qc7 30.Nd7 Ke7+–) 26...Be5 27.Ne5 (27.de5?! Nc4 28.Qc3 Nb2 29.Qb2 Bc6 30.bc6 Qc6+=) 27...Nc4 28.Qe2 Ne5 29.de5 Rfd8 30.Bd4 (30.Rc1 Rc1 31.Rc1 Qe7+–) 30...f4 (30...Qe7 31.Qb2+–) 31.Qb2 (31.Rc1 fe3 32.Rc8 Qc8+–) 31...Qg7 (31...fe3 32.Be3 Nf4 33.Bf4 gf4 34.Rc1+–) 32.e4 Bc4 33.Rd1 ½–½. Mandetta,Joao Danilo (2310) – Chiarot,Cesar (2225), ITT, 2016. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bg4 8.Be2 Nbd7)

10.Nc4 Bf5 11.Rc1+=.

10.cd5 cd5 11.h3 Nd2 (11...Bf3 12.Bf3 Nd2 13.Qd2=) 12.Qd2 Bf3 13.Bf3 e6 (13...Nb6 14.Qd3=) 14.Rac1 (14.Rfc1 Rc8+=) 14...Rc8 15.Rc8 (15.Be2 Qb6+=) 15...Qc8 16.Rc1 Qb8 17.b5 (17.Be2 Nb6+=) 17...Rc8 18.Rc8 Qc8 19.Qc3 Qc3 20.Bc3 Nb6 (20...f5 21.g3+=) 21.g3 (21.Kf1 f5+=) 21...Bf8 22.Kf1 Nc4 (22...f5 23.Be1+=) 23.e4 de4 (23...Nd6 24.b6 ab6 25.ed5+=) 24.Be4 b6 (24...Nd6!? 25.Bd3 Ne8+=) 25.Ke2+/– f5 (25...Nd6 26.Bc6+/–) 26.Bc6 Kf7 (26...Nd6 27.Kd3+/–) 27.Kd3 Na5 (27...Nd6 28.Bd2+/–) 28.d5 (28.Bg2 g5+/–) 28...Bc5 29.f4 Ke7 30.Be5 Bf2?? (better is 30...Nc6 31.dc6 Bf2+/–) 31.d6 Kd8 (31...Kf7 32.d7 Nc6 33.bc6 Bg3 34.d8Q Bh4 35.Qh4 a5 36.Qh7 Ke8 37.c7 g5 38.c8Q) 32.Bf6 Kc8 33.d7 Kc7 34.d8Q 1–0. ggo7801g – limlfrt, internet online chess game, 2018.

11.Ng5 Be2 12.Qe2 e5 (12...Nf6!?+=) 13.Ne4+/– ed4 14.ed4 Re8 15.Qc2 Qe7 16.Nc5 Nc5 17.bc5 Rad8 18.Rad1 Qh4 19.g3 Qg4 20.f3 Qe6 21.Kg2 h5 (21...Re7 22.d5 Qe3 23.Bg7 Kg7 24.Qb2 Kg8 25.Qd4+/–) 22.h4 (22.d5 cd5 23.Bg7 Kg7+/–) 22...f5 (22...Qe3 23.Rf2+=) 23.Qb3 (23.d5!? cd5 24.Bg7 Kg7 25.Rfe1+–) 23...Qe7+= 24.Bc3 (24.Rf2 Rd7+=) 24...f4 25.Rfe1 Qf7 26.d5 Re1 (26...Bc3!? 27.Qc3 cd5 28.cd5 Re1 29.Qe1 Rd5 30.Rd5 Qd5 31.Qe8 Kg7 32.Qe7 Kg8=) 27.Be1+/– (27.Re1?! cd5 28.Bg7 Kg7=) 27...Qe7 28.d6 (better is 28.Bf2!?+/–) 28...Qe2= 29.Bf2 fg3 30.Kg3 Bf6 31.Qd3 Bh4 32.Kh4 Qf2 33.Kh3 Kh7 34.Rf1 (34.Rd2!? Qc5 35.Qe4+=) 34...Qc5–/+ 35.Rd1 Qf2 36.Rf1? (better is 36.Rd2!? Qe1 37.Qe4 Qd2 38.Qe7 Kh6 39.Qd8=) 36...Rd6!–+ 37.Qg6 Kg6 38.Rf2 Rd4 39.c5 b5 40.cb6 ab6 41.Rb2 b5 42.Rc2 Rc4 43.Rd2 Kf5 44.Rd8 Ke5 45.Rh8 h4! 46.Ra8 Ra4 47.Rc8 Kd5 48.Rd8 Kc5 49.Rd2 Rf4 50.Rc2 Kb6 51.Kg2 c5 52.Kf2 h3 53.Kg3 0–1. Dobrzhanskaia,Irina (2085) – Kostiukova,Liubov (2165), UKR–ch U20 Girls sf, 2002. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4 c6 7.Nbd2 Bg4 8.Be2 Nbd7)

11.Ng5 Bf5 12.f3 ef3= 13.Nf3 (13.Bf3 Nb6 14.Be2 e5=) 13...e5 (13...a5 14.b5=) 14.Qe1 (14.Qb3 Re8=) 14...Qe7+= 15.Rd1 (15.Qc3 Rfe8+=) 15...ed4 (15...e4 16.Nh4 Be6 17.d5 Bb2 18.de6+=) 16.Bd4 Rfe8 (16...Bd4 17.Nd4 Qe3 18.Qf2 Qf2 19.Rf2+=) 17.Kh1 (17.Bd3 Bd3 18.Rd3 a5 19.ba5 Bh6=) 17...Bg4 (17...Rad8+=) 18.Ng1 (18.Qg3!? Bf3 19.Qf3 (worse is 19.Rf3 Bd4 20.Rd4 Ne5–+) 19...Bd4 20.ed4+=) 18...Be2–/+ 19.Ne2 Nb6 (19...Bd4 20.Rd4 c5 21.Rd1–/+) 20.Bg7 Kg7 21.Qc3 Kg8 22.Rf3 (22.Nf4 Qe3 23.Rd3 Qe5 24.Qe5 Re5–/+) 22...Qe6 (22...c5 23.Nf4 cb4 24.Qd4–/+) 23.Rc1+= Rad8 24.Nd4 (24.Kg1 Rd7+=) 24...Qe5–/+ 25.h3 (25.Kg1–/+) 25...Nc8 (better is 25...c5!? 26.bc5 Na4–/+) 26.Qb3= Rf8 27.Rcf1 Ne7 (27...Nb6 28.c5 Nd5 29.b5=) 28.Qa3 (28.Kg1 Rd7=) 28...a6 (28...b6 29.c5 bc5 30.bc5=) 29.Qa5 (29.Qb3 f5=) 29...Qa5 30.ba5 c5 31.Nb3 Nc6 32.Rf4 (32.Rf6 Rc8+=) 32...Rd7 33.Nc5 Re7 34.Re4 (34.Ne4 f5 35.Nd6 Re3 36.Nb7 Rb8=) 34...Rfe8–/+ 35.Re7 Re7 36.Nb3 Re3 37.Rd1 Re2 (37...Kf8 38.Rd7 Re7 39.Rd2–/+) 38.Rd7 Ra2 Attacks the isolani on a5 39.Rb7 Na5 40.Na5 Ra5 41.Ra7 Rc5 ½–½. Fernandez,Daniel Howard (2450) – Merry,Alan B (2385), e2e4 Gatwick International, 2016. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d5 6.e3 c6 7.c4 Bg4 8.Be2 Nbd7 9.0-0 Ne4)

11.Ng5 Bf5 12.g4 e5 13.Nf7 Rf7 14.gf5 ed4 15.fg6 Qg5 16.Kh1 hg6 17.ed4 Raf8+=.

11.Ng5 Bf5 12.g4 e5 13.Nf7 Rf7 14.gf5 ed4 15.fg6 hg6 16.ed4 Qg5 17.Kh1=.

11.Ng5 Bf5 12.g4 f6 13.gf5+/– fg5 14.fg6 hg6 15.Qc2 (15.f3 ef3 16.Bf3 Kh7+/–) 15...Nf6+= 16.f3 ef3 (better is 16...Qd7!?+=) 17.Rf3+/– g4 18.Rg3 Kh7 19.Bg4 Ng4 20.Rg4 Qd6 (20...Qe8 21.Kh1 Qf7 22.Qg2+/–) 21.Kh1+– Qf6 22.Rg3 Qf5 23.Qg2+– Bh6 24.Rg1 Qf2 25.Qe4 Qf5 26.Qe7 Rf7 27.Qh4 Re8 28.Bc1 Re4 29.Qh3 Qh3 30.Rh3 Rf2 31.Rhg3 Ra2+= 32.Rg6 Be3 33.Rg7+/– Kh8 34.Rg8 Kh7 35.R1g7 Kh6 36.Rg3 Kh7 37.R8g7 Kh6? 38.Be3 Re3 39.Re3 Kg7+/– 40.Re7 Kf8? 41.Rb7+– a5 42.ba5 Ra5 43.Rd7 c5 44.dc5 Rc5 45.Rd4 Rg5 46.h4 Rg3 47.Kh2 Rc3 48.Rf4 Ke7 49.h5 1–0. Sandipan,C (2610) – Zwahr,P (2310), Dresden GER, ZMDI Open, 2012. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.c4 c6 5.e3 Bg7 6.Be2 0-0 7.0-0 Bg4 8.b4 Nbd7 9.Bb2)

10.a3 a5=.

10.a4 Re8 11.a5 b6 12.Ne5 Be2 13.Qe2 Ne5 14.de5 Nd7 15.f4 f6 16.ef6 Bf6 17.Bf6 Nf6 18.Nf3 Ne4 19.Rfc1 Qd6 20.cd5 cd5 21.ab6 Qb6 22.b5 Rac8 23.Nd4 Rc5 24.Rc5 Qc5 25.h4 e5 26.fe5 Re5 27.Kh2 Qe7 28.Qg4 Nf6 29.Qc8 Kg7 30.Nc6 Qd6 31.Ra7 Re7 32.g3 Ra7 33.Na7 Ne4 34.Qg4 Qb8 35.Qd7 Kh6 36.Qg4 Qa7 37.Qf4 Kg7 38.Qe5 Nf6 39.g4 Kf7 40.Kh3 Qd7 41.Qf4 h5 42.Kg3 Qg4 43.Qg4 Ng4 44.b6 Ne5 45.Kf4 Kf6 46.b7 Nc6 47.e4 d4 48.e5 Ke6 49.Ke4 d3 50.Kd3 Ke5 51.Kc4 Na5 0–1. Romero Holmes – Cabezas Ayala, 1990.

10.a4 Re8 11.h3 Bf3 12.Nf3 Ne4 13.Qc2 Rc8 14.Rfd1 f5 15.Qb3 Rf8 16.b5 g5 17.Nd2 Ndf6 18.g3 (18.Ne4 Ne4 19.Ba3 Rf7+=) 18...Qc7 19.Nf1 (19.Ba3 Rf7=) 19...h5 (better is 19...cb5!? 20.ab5 dc4+=) 20.cd5+= ed5 21.a5 h4 22.b6 ab6 23.ab6 Qf7 24.Ba3 Rfe8 25.gh4 gh4 26.Bf3 Ng5 (26...f4 27.ef4 Nh5 28.Bg4 Nf4 29.Ra2+=) 27.Bg2= Qg6 28.Kh1 Nfe4 29.Ra2 Kh7 30.Nh2 Ra8 31.Bb4 (31.Nf3 f4 32.ef4 Nf3 33.Qf3 Ra6=) 31...Qh5 32.Rg1 Ra2 33.Qa2 Ra8 34.Qb2 c5 35.Be1 c4 (35...cd4!? 36.ed4 Qd1–/+) 36.f4 Ng3 (36...Ne6 37.Nf3=) 37.Bg3+= hg3 38.fg5 gh2 39.Kh2 Bf8 (39...Qg6 40.Qb5 Qd6 41.Kh1+/–) 40.Qf2 Bd6 41.Kh1 Rf8 (better is 41...Kg6!?+/–) 42.Qf3+– Qh4 43.Bf1 (43.g6 Kg7 44.Ra1+/– (44.Qd5?? Qg3 45.Qd6 Qd6–+)) 43...Qe4= 44.Kg2 Ra8 45.Be2 Ra2 46.Kf2 ½–½. Gurgenidze,Bukhuti (2375) – Ofstad,Per (2205), Wch Seniors, 1995. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4 8.Be2 Nbd7 9.0-0 e6)

10.a4 Bf3 11.Nf3 (worse 11.gf3 dc4 12.Nc4 Nd5=) 11...Qe7 12.Qb3 White plans b5 12...Ne4 13.Rfd1 f5 14.Rac1 f4 15.b5 fe3 16.fe3 Ng5? (better 16...Qd8!?+=) 17.Ba3+- Nf3 18.Bf3 (18.gf3?! Qg5 19.Kh1 Rf7+=) 18...Qg5 19.Bf8 Rf8 20.e4?? (better 20.bc6 bc6 21.Rf1+-) 20...de4 21.Be4 Nf6 (21...Bd4 22.Kh1 Nc5-/+) 22.Bf3+- e5 (22...Ng4!? 23.Bg4 Qg4+-) 23.de5 Ne4?? (23...Qe5 24.c5 Kh8+-) 24.Be4 Be5 (24...Qf4 25.c5 Kh8 26.Qd3 cb5 27.e6 ba4 28.e7+-) 25.Qh3 (25.bc6 Qf4 26.Bd5 Kh8+-) 25...Qf4 26.Bf3 Bd4 27.Kh1 Be3 (27...Kh8 28.Rb1 Bg7 29.Rd7 cb5 30.cb5 Qa4 31.Rb7+-) 28.Qe6 (28.Rd7 Rf7 29.Rf7 Qf7 30.Qc8 Kg7+-) 28...Kg7 (28...Kh8 29.Rb1 Bb6 30.Rd7+-) 29.Rc3 (better 29.Rd7 Kh8 30.Qe7 Rf7 31.Qf7 Qf7 32.Rf7 Bc1 33.bc6 bc6 34.Ra7 Be3+-) 29...Rf6 (29...Bc5+-) 30.Qe7 (30.Rd7!? Rf7 31.Re3 a6+-) 30...Rf7 31.Qe3 Qf5 (31...Qe3 32.Re3 cb5 33.ab5+-) 32.Rcd3 c5 (32...cb5 33.cb5 a6 34.Qe8+-) 33.Rd5 (33.Rd5 Qf4 34.Qf4 Rf4 35.Rd7 Kf6 36.Bd5+-) 1-0. zumpili (2340) - deepblue9494 (2385), Rated Bullet game, lichess.org, 2021. (=1.e3 g6 2.Nf3 Bg7 3.d4 Nf6 4.Be2 0-0 5.0-0 d5 6.c4 c6 7.Nbd2 Bg4 8.b4 Nbd7 9.Bb2 e6)

10.Rc1 Rc8 11.h3 Bf3 12.Bf3 Re8 13.Qb3 a6 14.a4 Qb6 15.Rc2 Bf8 16.Bc3 Ra8 17.Rb1 Rec8 18.Qb2 Qc7 19.Be2 Qb8 20.b5 cb5 21.ab5 dc4 22.Nc4 Nd5 23.Be1 White plans b6 23...Qa7 24.e4 N5f6 25.b6 Qb8 26.Bf3 Be7 (better 26...Qf4!?+=) 27.e5+- Nd5 28.Bd5 ed5 29.Ne3 Rc2 30.Qc2 (30.Nc2?! Bg5+=) 30...Qc8 31.Qb3 Bd8 32.Nd5 Qc6 33.Bd2 a5 34.Nc7! a4 (34...Bc7 35.bc7 Passed pawn) 35.Qb5 (35.d5!? Qc7 36.bc7 ab3 37.cd8N Rd8 38.f4+/-) 35...Qb5+/- 36.Rb5 Rc8 37.Ba5 a3 38.Rb3 Be7 39.Nd5 (39.Rb1!?+/-) 39...Bf8 (39...Rc1!? 40.Kh2 Bf8=) 40.Rb1+= Ra8 41.Bc3 Ra4 42.Kf1 a2 43.Ra1 Nb8 44.Ke2 Nc6 45.Kd3 Ra8 (45...Kg7 46.Nc7+-) 46.Kc4 Na5 (46...Bg7 47.f4 Ra3 48.Nc7+-) 47.Ba5 Ra5 48.Nc3 Ra6 49.Ra2 Rb6 50.Nd5 Rc6 51.Kd3 1-0. Sulava,N (2445) - Shome,Shiv (2160), 38th Presolana Open, 2018. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4 8.Be2 Nbd7 9.0-0 e6)

10.Rc1 Qe7 11.h3 (11.c5 Rfb8 12.h3 Bf3 13.Nf3 b6 14.Ba1 Ne4 15.b5 10.Rc1; 11.a3!?=) 11...Bf3+= (11...Qb4? 12.Bc3 Qd6 13.hg4 Ng4 14.Qa4+–) 12.Bf3 Qb4 13.Qc2 dc4 14.a4 (14.Nc4!? Rfb8 15.Ba3=) 14...Nb6+= 15.a5 (15.Ra1 Qa5 16.Nc4 Nc4 17.Qc4+=) 15...Nbd5 (better is 15...Qa5!? 16.Nc4 Nc4 17.Qc4 Rfb8–+) 16.Ra1 c3 (better is 16...Rfd8!?+=) 17.Ba3+= Qb5 18.Bf8 Bf8 19.Nb1 c5 20.Nc3 Nc3 21.Qc3 cd4 22.Qd4 Nd5 23.Bd5 ed5 24.Qa4 a6 25.Rfb1 Qc6 26.Rc1 Qd6 27.Rab1 Rb8 28.Rb6 Qd7?? (better is 28...Qd8+–) 29.Qd7 (29.Qd7 g5 30.Rf6 Kg7 31.Rf7 Kg8 32.Rh7 Be7 33.Qe7 b5 34.Qf7) 1–0. futsalboy (1700) – okena (1725), kurnik, 2011.

10.Ne1 Be2 11.Qe2 Qe7 12.Nd3 b5 13.cb5 cb5 14.Nc5 a6 15.f4 Nb6 16.Rac1 Ne8 17.g4 f5 18.g5 Nd6 19.Ndb3 Nbc4 20.Bc3 Rfb8 21.Be1 Ne4 22.h4 Kf7 23.Kg2 h6 24.Rh1 Rh8 25.Ne4 de4 (25...fe4 26.Nc5+=) 26.Nc5= Qd6 27.Bc3 Nb6 28.Qd2 Nd5 29.Bb2 Rh7 30.a3 Rah8 31.Rb1 (31.Nb7 Qb6 32.Nc5 Ke8+=) 31...Nb6 (31...hg5!? 32.hg5 e5 33.Rh7 Rh7–+) 32.Rbf1 Nc4 33.Qc3 hg5 34.hg5 Rh4 35.Rh4 Rh4 36.Bc1? Rg4–+ 37.Kf2 Rf4! 38.Ke2 Rg4 39.Nb7 Qd5 40.Nc5 Qd6 41.Rf2?? Rg5?? 42.Ne4= Qe7 43.Ng5 Qg5 44.Qd3 Qh4 45.Kf1?? Bf6 46.Ke1 Qg4 47.Rg2?? Qf3 48.Qe2+= Qe4 49.Qc2 Qf3 50.Qe2= Bh4 51.Kd1 Qe4 52.Qc2 Qd5 53.Qe2 Bf6 54.Ke1 Nd6 55.Qa2 Nc4 56.Rh2 Bg7 57.Qg2 Qd7 58.Rh7 e5 59.Qa8 ed4= 60.ed4 g5 61.Qh8?? Kg6 62.Bg5?? Qe6–+ 63.Kf1 Bh8 64.Rh6 Kf7 (64...Kf7 65.Re6 Ke6–+) 0–1. Djurkovic,Maks (2095) – Bruns,Michael (2115), Feffernitz Raika op, 1996. (=1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.e3 g6 5.b4 Bg7 6.Bb2 Bg4 7.Nbd2 0-0 8.Be2 Nbd7 9.0-0 e6)

11.Bf3 a5 12.b5 (12.Bc3 ab4 13.Bb4 Re8+=) 12...cb5 13.cb5 a4 (13...Qb6 14.Qa4=) 14.Ba3 Re8 15.Rc1 Bf8 (15...e5 16.de5 Ne5 17.Be2=) 16.Nb1 (16.Bf8 Rf8 17.Be2 Nb6+=) 16...Qa5 (16...Ba3 17.Na3 Qe7 18.Nb1=) 17.Qd3 (17.Bf8 Rf8 18.Qd3 Rac8+=) 17...Rac8 (17...Ba3 18.Na3 Rac8 19.Nb1=) 18.Rfd1 (18.Bf8 Rf8 19.Nc3 Rc7=) 18...Nb6 (18...e5 19.Bf8 e4 20.Qa3 ef3 21.Qb4=) 19.Be2 (19.Bf8!? Rf8 20.Nd2=) 19...Nc4+= 20.Bf8 (20.Rc2 Ne4 21.Bf8 Rf8+=) 20...Rf8 (20...Nb2 21.Qa3 Nd1 22.Bb4 Qb4 23.Qb4 Rc1 24.Bd1 Rd1 25.Kh2+=) 21.Qc3 (21.Qc2!?=) 21...Qb5–/+ 22.Bc4 dc4 23.Na3 Qf5 (23...Qa6 24.Rb1+=) 24.Qb4 c4 seems the pivot of the position (24.Nc4 b5 25.Nd6 Rc3 26.Nf5 b4 27.Ne7 Kg7 28.Rc3 bc3=) 24...c3 (24...Nd5 25.Qb7 (25.Qa4? Ra8 26.Qc2 Qc2 27.Nc2 Ra2–+) 25...Rb8 26.Qc6+=) 25.Qb7 (25.Qa4 Nd5=) 25...Rb8+= 26.Qf3 (26.Qc6!? Rb2 27.Rf1=) 26...Qf3–/+ 27.gf3 Rfc8 (27...Nd5 28.Rc2–/+) 28.e4 White prepares the advance d5 28...Nh5 (28...Rb2 29.Rc2–/+) 29.Rc2 Nf4 30.Kf1 (30.Kh2 Rb2 31.Rdc1 Rd8–/+) 30...Kg7 (30...Rb2 31.h4–/+) 31.h4 (31.Rb1 Rb1 32.Nb1 Rc4–/+) 31...Kh6 (31...Rb2 32.d5–/+) 32.d5 (32.Nb1 Rb4–/+) 32...ed5 33.ed5 Rc5 (33...Rb2 34.Rd4 g5 35.Ra4–/+) 34.d6 Rd8 35.Rd4 Ne6 36.Rc4 (36.Rd1 Nc7!–/+) 36...Rd6 37.Rc5 Nc5 38.Rc3 (38.Nc4 Rd4 39.Rc3 Ne6–+) 38...Ne6 (38...Rd3 39.Nb5 Rc3 40.Nc3–/+) 39.Rc4 (39.Nc2 Rd5–/+) 39...Rd2 (39...Rd4 40.Kg2–/+) 40.Ra4? (better is 40.Nc2!?+=) 40...Ra2–+ 41.Kg2 Kh5 42.Kg3 Ng7 43.Ra5 Nf5 44.Kg2 (44.Kf4 Rf2 45.Nc4 Rh2–+) 44...Kh4 45.Nc4 (45.Ra4 Kg5–+) 45...Ne3! 46.Kg1 (46.Ne3 Ra5 Deflection) 46...Ra5 (46...Nc4?! 47.Ra2 Kg5 48.f4 Kf5 49.Kg2=) 47.Na5 Nd5 48.Nc4 (48.Nc6 Kg5–+) 48...f5 49.Ne5 Kg5 50.Nd3 Nf4 51.Ne5 Kf6 52.Nc4 (52.Nd7 Ke7 53.Ne5 g5–+) 52...g5 53.Kh2 h5 54.Kg3 (54.Kg1 Nd3–+) 54...h4 (54...Nd3 55.Nd2–+) 55.Kh2 Ne6 (55...Nd3 56.Kg1–+) 56.Kg2 Ke7 57.Ne5 Nf4 58.Kh2 (58.Kf1 Kd6 59.Nf7 Ke6 60.Nd8 Kf6–+) 58...Ke6 59.Nc4 (59.Nc6 Nd3–+) 59...Nd3 60.Kg2 (60.Kg1 Ne1 61.f4 Nf3 62.Kf1 g4–+) 60...Kd5 (60...Ne1 61.Kh1–+) 61.Ne3 Ke5 62.Nc2 Kf4 63.Nd4 Ne1 64.Kh3 (64.Kh1 Nf3 65.Ne6 Ke5–+) 64...Nf3 65.Ne6 (65.Ne2 Ke4 66.Nc3 Ke5–+) 65...Ke5 66.Nc5 g4 67.Kg2 Kf4 (67...h3 68.Kh1–+) 68.Ne6 (68.Nd3 Ke4 69.Nc5 Kd5–+) 68...Ke4 69.Nc5 Kd4 70.Ne6 Kd3 71.Ng7 (71.Kf1 h3–+) 71...Ke4 (71...h3 72.Kh1 Nd4 73.Nh5–+) 72.Ne6 f4 73.Nc5 Kf5 74.Nd3 (74.Kh1–+) 74...h3 75.Kh1 Ne5 76.Nc5 (76.Nc1–+) 76...g3 77.fg3 fg3 78.Nb3 g2 (78...g2 79.Kg1 Nf3 80.Kf2 g1Q 81.Ke2 h2 82.Kd3 h1Q 83.Kc3 Qg7 84.Kb4 Qh4 85.Ka3 Qc3 86.Ka2 Qa4 87.Kb1 Qab3) 0–1. Moskalenko,Alexander (2490) – Zvjaginsev,Vadim (2670), 70th Moscow Blitz, 2016. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4 8.Be2 Nbd7 9.0-0 e6)

11.Bf3 a6 12.a4 Qe7 13.Qb3 Rfb8 14.Rfc1 b5 15.cb5 cb5 16.ab5 ab5 17.Ra5 Ne8 18.e4 Bh6 19.Qd3 Attacking the isolated pawn on b5 (19.Ra8 Ra8 20.Bc3 de4 21.Be4 Rc8=) 19...Ndf6 (19...Ra5 20.ba5 de4 21.Be4=) 20.ed5 (20.e5 Ne4 21.Ra8 Ra8 22.Be4 de4 23.Qe4 Ra2+=) 20...ed5 (20...Nd5 21.Bd5 ed5 22.Rca1=) 21.Rca1+= Qd8 22.Nb3 Nd6 23.Bc3 Nc4 24.Ra8 Ra8 25.Ra8 Qa8 26.Na5 Nd6 27.Bd2 Bd2 28.Qd2 Qc8 29.Qf4 Nde4 30.Be4 Ne4 31.f3 Nc3 32.Qe5 h5 33.g4 h4 34.Qe1 Na2 35.Nb3 (35.Qd2 Qc1 36.Qc1 Nc1=) 35...Qe6 (35...Qc7 36.Qe8 Kg7 37.Qe1-/+) 36.Qe6 (better 36.Qd2!? Nb4 37.Qb4 Qe3 38.Kg2 Qe2 39.Kg1 Qf3 40.Qb5 Qg3 41.Kf1 Qh3 42.Ke1 Qe3 43.Kf1-/+) 36...fe6-/+ 37.Nc5 Nb4 38.Ne6 Nd3 39.Nc7 (39.Kf1 Kf7 40.Ke2 Nc1 (40...Ke6? 41.Kd3 g5 42.Kc3+-) 41.Kd2 Ke6 42.Kc1 g5=) 39...b4-+ 40.Nd5 b3 41.Nc3 b2 42.Kf1 Nf4 43.Ke1 Nh3 44.Kd2 Nf4 45.Kc2 h3 46.Ne4 h2 47.Ng3 Nd3!! 48.d5 (48.Kd3 b1Q Promotion) 48…g5 0-1. Markus,Rob (2595) - Kozul,Z (2595), 25th HIT Open, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Be2 Bg4 7.0-0 Nbd7 8.c4 c6 9.Bb2 e6)

11.Bf3 b5 12.cb5+/– cb5 13.a4 a6 14.Be2 (14.ab5 ab5 15.Qe2 Qb6+=) 14...Qb6+= 15.Qc2 (15.Qb3 Rfc8+/–) 15...Rfc8 16.Qd3 (16.Qb3 Ne8+=) 16...Bf8= 17.Qb3 Rab8 (17...ba4 18.Ra4 a5 19.b5=) 18.ab5+/– ab5 19.Ra5 Qc6 (19...Qd6 A) 20.Bb5?? Qb4 21.Qb4 Bb4 22.Bd7 Nd7–+ (22...Ba5?! 23.Bc8 Bd2 24.Bc1–/+; 22...Bd2?! 23.Rd5 ed5 24.Bc8 Rc8 25.Ba3–+); B) 20.Ba3+/–) 20.Rc1 Qd6 21.Rc8 (21.Bc3 Qc6+/–) 21...Rc8 22.Rb5 (22.Ba3+/–) 22...Rb8 (better is 22...Qc7!? 23.Bd1 Nb6+=) 23.Rb8+– Qb8 24.b5 Nb6 25.Bd3 h5 (25...Qa8 26.Qc2+–) 26.Qc2 Bd6 (26...Qa7 27.Nf3+–) 27.Bg6! fg6 (27...Nc4 28.Bd3 Qb5 29.Nc4 dc4 30.Bc4 Qa5+–) 28.Qg6 (28.Qg6 Kf8 29.Qf6 Kg8 30.Qe6 Kg7 31.Bc3+–) 1–0. Leonco – Gavial, internet corr, 2018.

11.Bf3 Qe7 12.Qb3 White plans b5 12...e5 (12...Rfd8 13.Rfc1+=) 13.cd5+= cd5 14.de5 (14.Bd5 Nd5 15.Qd5 Qb4=) 14...Ne5 15.Bd4 (15.Bd5 Nd5 16.f4 Nd3 17.Bg7 Qe3 (17...Kg7?! 18.Qd3 Qe3 19.Qe3 Ne3 20.Rfc1+=) 18.Kh2 Kg7 19.Qd5 Rad8–+ (19...Qd2?! 20.Qd4 Kg8 21.Rad1 Qb4 22.Rd3+=)) 15...Rfd8 (15...Qe6 16.Rfd1+=) 16.b5 (16.Rac1 Re8+=) 16...a6 17.a4 Nf3 18.Nf3 Ne4 (18...h6 19.a5+=) 19.Bg7 (19.Rfc1 Qe6+=) 19...Kg7 20.a5 (20.Rfd1 ab5 21.ab5 Ra1 22.Ra1 Qf6+=) 20...Qf6 21.Rac1 ab5 22.Qb5 Nc3 23.Qb2 Ne4 24.Qb5 (24.Qb4 Qd6 25.Qa4 Qf6+=) 24...Nc3 25.Qb2 Ne4 26.Qb5 ½–½. Mousavi,Seyed Khalil (2420) – Van Wely,Loek (2675), 2. Stars Cup, 2017. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4 8.Be2 Nbd7 9.0-0 e6)

11.Bf3 Re8 12.Qb3 a5 13.a3+=.

11.Bf3 Re8 12.Qb3 a6 13.a4 (13.Rac1 Nb6+=) 13...h5 (13...Qc7 14.Rac1+/–) 14.Rfc1 (14.Rfe1 Qc7+/–) 14...b5 (14...h4 15.Rf1+/–) 15.cb5 (15.cd5 cd5 16.Be2 Qb6+/–) 15...cb5 16.Rc6 (16.Be2 Qb6+/–) 16...Nb8 (16...Bf8 17.Be2+/–) 17.Rc2+– Nbd7 18.a5 (18.Be2 Bf8+–) 18...Qe7 (18...Rc8 19.Rc8 Qc8 20.Rc1+/–) 19.Rac1 (19.Rc6 Red8+/–) 19...Bf8 (19...Red8 20.Rc6+/–) 20.Ba3 Red8 21.Qa2 (21.Qd3 Qe8+/–) 21...Bh6 22.Re1 (22.Qb2 Ne8+/–) 22...Qf8 (22...Rac8 23.Qb2+=) 23.Nb3 (23.Rc6 Ne8+/–) 23...g5 (23...Ne4 24.Rec1+=) 24.g3 (24.Be2 g4+=) 24...g4+= 25.hg4 (25.Bg2 Ne4+=) 25...hg4 26.Bg2 Bg5 (26...Ne4 27.Rc7+=) 27.Nc5 Qh6 (27...Qe7 28.Qb3+/–) 28.Bb2 (28.Nb7 Rdb8 29.Rc7 Ra7+/–) 28...Ra7+= 29.Qb3 Ne8 (29...Qg6 30.Rce2+=) 30.e4+/– Nc5 31.Rc5 de4 (31...Bd2 32.Re2 de4 33.Be4+–) 32.Re4 Nf6 33.Ree5 White prepares d5 33...Bd2 34.d5 (34.Rc6 Qg6 35.Ba1 Bh6+/–) 34...Nd7 (34...ed5 35.Rc6 d4 36.Rf5+/–) 35.Re4 (35.Re6 Qg5 (35...fe6 36.de6 Kf8 37.Rf5 Nf6 38.Bf6+–; 35...Nc5 36.Rh6 Bh6 37.Qc3+–) 36.Rcc6 A) 36...fe6 37.de6 Kf8 38.ed7 Rad7 39.Rf6 (39.Ra6 Rf7 40.Re6 Qf5=) 39...Qf6 40.Bf6+–; B) 36...Qh5+–) 35...Nc5 36.Rg4 (36.bc5 Qg6+/–) 36...Kf8 37.bc5 f5?? (better is 37...Bg5 38.d6 f5+–) 38.Rh4 (38.Rh4 ed5 39.Rh6 Bh6 40.c6+–) 1–0. Malakhov,Vladimir (2690) – Martinovic,Sasa (2560), 25th Croatian Championship Division 1a, 2016. (=1.Nf3 Nf6 2.e3 g6 3.d4 Bg7 4.Be2 0-0 5.0-0 d5 6.b4 Bg4 7.Nbd2 Nbd7 8.c4 c6 9.Bb2 e6 10.h3 Bf3)

11.Bf3 Re8 12.Qb3 dc4 13.Nc4+– Nd5 (13...Nb6 14.Na5 Rb8 15.b5+–) 14.Nd6 Re7 (14...Rf8!?+–) 15.Nb7+– Qb6 16.Na5 Qb4?? (better 16...Rb8 17.Ba3 N7f6+–) 17.Qb4 Nb4 18.Ba3 Rb8 (18...Rae8 19.Bb4 c5 20.Ba3+–) 19.Bb4 Rb4 (19...c5 20.Nc6 Rb4 21.Ne7 Kf8 22.Nc6+–) 20.Nc6 1–0. Pierre – Monnali, internet, 2019.

11.Bf3 Re8 12.Rc1 a6+=.

11.Nf3 dc4 12.Bc4 Nb6 13.Bd3+=.

11.Nf3 Re8 12.a3 (12.Qc2 dc4 13.Bc4 Nb6+=) 12...Ne4 13.Rb1 (13.Qc2 Qf6+=) 13...Rc8 14.Bd3 f5 (14...Ng5+=) 15.Ne5 (15.Qb3 Qf6+=) 15...Qc7 (15...Ne5 16.de5 dc4 17.Be4 (worse is 17.Bc4 Nd2 18.Qc2 Nb1–/+) 17...Qd1 18.Rfd1 fe4 19.Rd7=) 16.f4+= Ndf6 17.Rf3 Nd6 (17...dc4 18.Nc4 b6 19.g4+=) 18.c5 Nf7 (18...Nde4 19.a4+=) 19.Nf7 (19.Qc2 Ne4+=) 19...Qf7= 20.b5 Nd7 (20...Ne4 21.bc6 bc6 22.Qe2=) 21.a4 Rb8 22.Ba3 Nf6 23.Rf2 Ne4 24.Be4 fe4 25.a5 Bf8 26.Rfb2 Rbc8 27.bc6 bc6 28.Rb7 Re7 29.a6 Qe8 30.Bc1 Ra8 31.Bd2+/– Rd7 32.R1b2 Rdd8 33.Qb1 Rdc8 34.Ba5 Be7 35.Bc7 Bd8 36.Be5+– Be7 37.Rb8 Qd8 38.Ra8 Ra8 39.Rb8 Rb8 40.Qb8 Kf7 41.Qb7 Qa5 42.Bd6 Qd2 43.Kh2 Qa5 44.Qe7 (44.Qe7 Kg8 45.Qf8) 1–0. De Jager,Jaap (2305) – Baete,Guy, Vlissingen HZ op 4th, 2000.

10.a4 e6 11.h3 Bf3 12.Bf3 Nb6 13.Qb3 Rc8 14.Rfc1 dc4 15.Nc4 Nc4 16.Rc4 Nd5 17.b5 Qb6 18.Qc2 a6 19.bc6 Rc6 20.Bd5 ed5 21.Rc6 Qc6 22.Qc6 bc6 23.Ba3 Rc8 24.Rb1+/– Bf8 25.Bc5 Bc5 26.dc5 Kg7 27.a5 Kf6 28.Rb4 Ke6 29.Kf1 Rc7 30.Ke2 Ra7 31.Kd3 Kd7 32.Rb8 f6 33.Kd4 Ke7 34.f4 Kd7 35.g4 Ke6 36.Kc3 h5 37.Kd4 hg4 38.hg4 Ke7 39.Rg8 Ke6 40.Rg6 Rb7 41.g5 Rb4 42.Kd3 d4? 43.Rf6 Kd5 1–0. Lenic,L (2595) – Lakshmanrao,D (2210), 8th Parsvnath Open, New Delhi IND, 2010.

10.Qb3 Ne4 11.Rfd1 Nd2 12.Rd2 (12.Nd2?? Be2 13.Re1 dc4 14.Nc4 Bc4 15.Qc4 e5-+) 12...e6 13.h3 Bf3 14.Bf3 b5 (14...dc4!? 15.Qc4 Ne5=) 15.cb5+= cb5 16.Be2 Qb6 17.a4 a6 18.Rc2 Rec8 (18...Reb8 19.Rac1+=) 19.Rc8 Rc8 20.ab5 ab5 21.Ra5 Qc7 22.Bb5 Nb6 23.Ra1 Qc2 24.Qc2 Rc2 25.Rb1 Bf8 26.Ba1 Ra2 27.Bf1 Bd6 28.b5 Kf8 29.Rc1 Ke7 30.Bc3 Kd7 31.Be1 h5 32.Rc6 Na4 (32...Nc4 33.Bc4 Ra1 34.Ra6 Re1 35.Bf1+/-) 33.Ra6 Ra3?? (better 33...Ra1+/-) 34.Rd6!+- Kd6 35.Bb4 Kc7 36.Ba3 Nc3 37.Bc5 Ne4 (37...Kb7 38.Bd3+-) 38.b6 Kc6 (38...Kb7 39.Bb5 Nf6 40.g3+-) 39.Bb5! Kb7 (39...Kb5 40.b7 Passed pawn) 40.Be8 1-0. BabaRamdev (2740) - ficorrales (2595), Rated Blitz game, lichess.org, 2020. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.Be2 Bg4 8.0-0 Nbd7 9.c4)

10.Rc1 Qb6 11.a3+=.

10.Rc1 Qb6 11.b5=.

10.Rc1 Rc8 11.a3 Bf5+=.

10.Rc1 Rc8 11.Qb3 Ne4 12.Rfd1 Nb6 (12...Ndf6 13.a3+=) 13.cd5 Nd2 14.Rd2 cd5 15.Rc8 (15.Rc5 e6+=) 15...Qc8= 16.Rc2 Qd8 (16...Qd7 17.Rc5 Rd8 18.Bb5=) 17.h3 (17.Rc5 Bf3 18.Bf3 e6+=) 17...Bf3 18.Bf3 (worse is 18.gf3 Qd7=) 18...e6 (18...Qd7 19.Be2+=) 19.Be2 ½–½. Smyslov,Vasily – Ftacnik,Lubomir, Beer Sheva, 1990.

10.Rc1 Rc8 11.h3 Bf3 12.Nf3 Ne4 13.Qb3 e6 14.Rc2 f5 15.Rfc1 Bh6 16.Bd3 g5 (16...Nb6!?+=) 17.b5 g4 (17...Nb6 18.c5 Nd7 19.Qa4+/–) 18.hg4+– fg4 19.cd5 ed5 20.Be4 Re4 21.Qd5! cd5 22.Rc8 Re8 23.Rd8 Rd8 24.Ne5 g3 25.Rc7 Ne5 26.de5 gf2 27.Kf2 Rf8 28.Ke2 Rf7 29.Rc3 (29.Rc5 Re7+–) 29...Rf8 30.Rc5 Re8 31.Rc7 b6 32.Ra7 Bg7 33.a4 (33.Bd4 Be5 34.Bb6 Re6+–) 33...Be5 34.Be5 Re5 35.a5 d4 (35...ba5 36.b6 d4+–) 36.ab6 Re3 1–0. Bruzon Batista,L (2675) – Garcia Fuentes,Sergio Miguel (2175), Alajuela CRC, 5th Open, 2014. (=1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bg4 8.Be2 Nbd7 9.0-0 Re8)

10.Rc1 e6 11.h3+= Bf3 12.Bf3 Qb6 (12...e5 13.b5+=) 13.Bc3 a6 (13...e5 14.Qb3+=) 14.Qb3 h5 (14...Qc7 15.a4+=) 15.a4 White plans b5 (15.Rfe1 Nh7+/–) 15...Nf8 (15...Qc7 16.Rfd1+/–) 16.b5 ab5 17.ab5 (17.cb5 N8d7+/–) 17...N8h7+= 18.bc6 (18.h4 Rec8+=) 18...Qb3 19.Nb3 bc6 20.Na5 (20.h4 Ne4+=) 20...Rec8 21.c5 (21.h4 Ne4 22.Be4 de4=) 21...Ng5 22.Be2 Nfe4 23.Bb4 e5 24.de5 Ne6 25.f4 (25.Bf3 Be5 26.Be4 de4=) 25...N6c5 (25...Ng3 26.Rf2 Ne2 27.Re2+=) 26.Bc5= Ra5 27.Bb6 Ng3 (27...Ra3 28.Bf3=) 28.Rfe1 (28.Ba5 Ne2 29.Kf2 Nc1 30.Rc1 f6+=) 28...Ne2 29.Re2 Rb5 30.Bc5 (30.Bd4 Bf8=) 30...Bf8 31.Rec2 Bc5 32.Rc5 Rc5 33.Rc5 Kf8 34.Kf2 Ke7 35.e4 de4 36.Ke3 (36.g4 hg4 37.hg4 f6=) 36...f5 (36...h4 37.Ke4 Ke6 38.Ra5=) 37.ef6 Kf6 38.g4 (38.g3 Kf7=) 38...hg4 39.hg4 Rc7 (39...Ke6 40.Rc1=) 40.g5 (40.Ke4 Kf7=) 40...Kf7 (40...Ke7 41.Ke4 Kd6 42.Ra5=) 41.Rc3 (41.Ke4 Re7 42.Kf3 Re6=) 41...Rc8 (41...c5 42.Ke4 Ke6 43.Rh3=) 42.Ke4 (42.Rc4 Ke6=) 42...Re8 (42...c5 43.Kd5=) 43.Kf3 (43.Kd4 Re6=) 43...Re6 44.Kg4 Rd6 (44...Ke7 45.Rc4=) 45.Rc5 (45.Rh3 Kg7=) 45...Re6 46.Kf3 (46.Rc1 Kf8=) 46...Kg7 (46...Ke7 47.Rc1=) 47.Rc1 (47.Rc4 Kf8=) 47...Kf7 48.Ra1 (48.Kg4 Kf8=) 48...Kf8 (48...Ke7 49.Ra7 Kd6 50.Ra8=) 49.Ra8 (49.Ra7 Re7 50.Ra8 Re8=) 49...Kf7 (49...Ke7 50.Ra5=) 50.Rc8 (50.Ra7 Re7 51.Ra6 Re6=) 50...Ke7 51.Rc7 Kf8 (51...Kd6 52.Ra7=) 52.Ra7 (52.Kg4 Ke8=) 52...Ke8 (52...Re7 53.Ra8 Re8 54.Ra4=) 53.f5 gf5 54.Kf4 Re7 55.Ra6 Rc7 56.Kf5 Kf7 57.Ra1 Rd7 58.Ra6 Rc7 59.Ke5 Kg6 60.Kd6 Exerts pressure on the isolated pawn 60...Rg7 61.Ra5 Kh5 62.Kc6 Rg5 63.Rg5 Kg5 ½–½. Song,Julien (2420) – Andrenko,Irina (2225), 29th Open, 2013. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.b4 Bg7 5.e3 0-0 6.c4 c6 7.Be2 Bg4 8.0-0 Nbd7 9.Bb2 Re8)

10.Re1 a5 11.b5=.

10.Re1 dc4 11.Nc4 (11.Bc4 Qb6 12.Qb3 e6+=) 11...Nd5 (11...Bf5 12.Rc1+=) 12.a3 Bf3 (12...N7f6 13.Nfe5 Be2 14.Qe2+=) 13.Bf3 N7b6 14.Qb3 Qd7 (14...Nc4 15.Qc4 e6 16.Rac1+=) 15.Rac1 (15.Ne5 Be5 16.de5 Qe6+=) 15...Nc4 16.Qc4 Rac8 (16...e6 17.Be2+=) 17.Rc2 (17.Qe2 e6+=) 17...a6 18.Rec1 (18.Qc5 Red8+=) 18...Red8 (18...Rcd8 19.Rd1+=) 19.Qb3 (19.a4 Rc7+=) 19...e6 20.Be2 (20.a4 Rc7+=) 20...Qe7 21.Rc5 Bf8 22.R5c2 Qg5 23.Bf3+= Bd6 24.g3 f5 25.Bg2 Rd7 26.Re1 Re7 27.Rce2 Qf6 28.e4 fe4= 29.Re4 Rf8 30.R4e2 Kg7 31.Qc2 Ree8 32.Qd3 Bc7 33.Bh3 e5? 34.Bg2 ed4?? 35.Re7 Re7–+ 36.Re7 Ne7 37.Bd4 Be5 38.Bc5 Nf5 39.Bh3 Qf7 40.Qd8 Bf6 41.Bf5 Bd8 (41...Bd8 42.Bg4 Be7 43.Bd4 Kg8–+; 41...Rd8 42.Bg4 Bd4 43.Bd4 Rd4 44.Kg2 Rg4 45.Kg1 Qf3 46.h4 Re4 47.Kh2 Re1 48.h5 Rh1) 0–1. Krull,Guenter – Heimsoth,Holger (2345), Oberhausen op, 1998.

10.Re1 e6 11.Qb3 Rc8 12.h3 Bf3 13.Bf3 Qc7 14.Rac1 Qb8 15.e4 de4 16.Ne4 Ne4 17.Be4 Nf6 18.Bf3 Red8 19.Rcd1 Rd7 20.Rd3 Rcd8 21.Red1 Ne8 22.a4 a6 23.R1d2 Qa7 24.d5 cd5 25.Bg7 Ng7 26.cd5 Qb8? 27.de6+– Rd3 28.ef7 Kf8 29.Rd3 Rd3 30.Qd3 Kf7 31.Qd7 Kf8 32.Bb7 Qe5 33.Ba6 Qe1 34.Bf1 Qb4 35.Qd8 Kf7 36.Qc7 Qe7 37.Bc4 Ke8 38.Bb5 Kf7 39.Qf4 Kg8 40.Bc4 Ne6 41.Qe5 Kf7 42.a5 Qd7 43.Be6 Qe6 44.Qe6 Ke6 45.a6 1–0. Luneau,Gilles – Loiskandl,Ekkehard, Wch Seniors, 1993. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.d4 Bg4 7.Nbd2 0-0 8.Be2 Nbd7 9.0-0)

10.Ne5 Be2 11.Qe2 Ne5 12.de5 Nd7 13.f4 e6 14.Rfd1 Bf8 15.Bc3 Qc7 16.Rac1 Nb6 17.a3 Red8 18.cd5 ed5 19.h4 (19.Qd3 Qc8+=) 19...Nc8 (19...Na4 20.Bd4=) 20.h5= a5 21.hg6 hg6 22.f5 (22.ba5!? Ba3 23.Ra1+=) 22...ab4+= 23.ab4 gf5 24.Qh5 Bg7 25.Nf3 Ra3 (25...Nb6 26.Ng5 Qe7 27.Bd4+/–) 26.Bd4 b6 (better is 26...Re8!?=) 27.Ng5+/– Ra7 28.Qh7 Kf8 29.Qf5 Ke8? (better is 29...Re8!?+/–) 30.e6+– f6?! (30...Nd6 31.ef7 Qf7 32.Nf7 Nf5 33.Nd8 Bd4 34.ed4 Kd8 35.Rc6 Ne3+–) 31.Qg6 Kf8 32.Nh7 Ke7 33.Qg7 Kd6 34.Qf6 (34.Qf6 c5 35.bc5 Kc6 36.cb6 Kb5 37.bc7 Kb4 38.Rb1 Ka5 39.Bc3 Ka4 40.Rb4 Ka3 41.Ra1) 1–0. Tartakower,Saviely – Rosselli del Turco,Stefano, Merano, 1926. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.d4 0-0 7.Nbd2 Bg4 8.Be2 Nbd7 9.0-0)

11.Nf3 a5 12.b5 dc4 13.Bc4 cb5 14.Bb5 Qb6 15.a4 Rec8 16.Ba3 Bf8 17.Qd3 Rc7 18.Rab1 Qa7 19.Rfc1 Rac8 20.e4 Rc1 21.Rc1 Rc1 22.Bc1 b6? (22...Qb6 23.Bd2 Nb8 24.Ne5+/-) 23.Ne5 (23.e5 Qc7 24.Qc4 Qc4 25.Bc4 Ne4+-) 23...Qc7? (better 23...Ne5 24.de5 Qc7+/-) 24.Qc4+- Qc4 25.Nc4 (25.Bc4?! Ne5 26.de5 Ne4=+) 25...Nb8 26.Bf4 Nfd7 (26...Nbd7 27.Bh2 e6+-) 27.Bb8 (better 27.Bc7 e5 28.Ne5+-) 27...Nb8 28.Nb6 e6 29.Kf1 Bd6 30.Ke2 Kf8 31.Kd3 Bb4 32.Nc8 f6 33.d5 ed5 34.ed5 Kf7 35.Ke4 h6 (35...h5 36.g4+-) 36.f4 (36.g4 h5+-) 36...Bc3 (36...f5 37.Ke5+-) 37.f5 gf5 38.Kf5 Bb4 (38...h5 39.d6+-) 39.d6 Bc5 40.d7 Be7 (40...Nd7 41.Bd7 Kg7 42.Be6+-) 41.Nd6 Kf8 42.Nb7 1-0. kovacic (2335) - bobby fissure (2190), ChessWorld.net, 2017.

11.Nf3 a5 12.cd5 cd5 13.ba5 Qa5 14.Qb3 ½–½. Cyborowski,Lukasz (2525) – Chojnacki,Krzysztof (2415), Poznan Poland, 2010. (=1.Nf3 Nf6 2.d4 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 Bg4 7.Be2 Nbd7 8.c4 c6 9.0-0)

11.Nf3 a6 12.a4 e6 13.b5 ab5 14.ab5 Qc7 15.cd5 cd5 16.Qb3 Bf8 17.Rac1 Qb6 18.Ne5 Ne5 19.de5 Nd7 20.Rc2 Nc5 21.Bd4 Qa7 22.Qb2 ½–½. Trapl,J (2350) – Wittmann,W (2270), 11th European Senior Team, Velden AUT, 2009. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Be2 Bg7 5.0-0 0-0 6.b4 Bg4 7.Nbd2 c6 8.c4 Nbd7 9.Bb2)

12.Qb3 Nb6 13.cd5 (13.Qc2 e6+=) 13...cd5 14.Rfc1 Nd6 (14...Qd6 15.Bd3+=) 15.Nd2 e5 (15...Rc8 16.a4+=) 16.de5+/– Be5 17.Be5 Re5 18.a4 Rc8 (18...Qf6 19.a5 Nd7 20.Qd1+/–) 19.a5 Nd7 20.Nf3 Rf5 (20...Rh5 21.Rc8 Qc8 22.Ne1+–) 21.g4+– Rf6 22.Qd5 Rc1 23.Rc1 Qb8 (23...h6 24.e4 Qe7 25.e5 Rf3 26.Qd6 Qe5 27.Qe5 (27.Qd7?! Rh3 28.Rc8 Kg7=) 27...Ne5 28.Bf3 Nf3 29.Kg2+–) 24.e4 (24.Nd4 h6 25.h4 g5 26.hg5 hg5+–) 24...Re6 (24...Qe8 25.Rc7 Qd8 26.Rc3+–) 25.e5 Qf8 (25...Qd8 26.Nd4 Qg5 27.Rd1 (27.Ne6?! Qc1 28.Kg2 Qc6 29.Qc6 bc6+–) 27...Re5 28.Qd6+–) 26.Bf1 Qh6 (26...Ne5 27.Ne5 Qe7 28.Nd3+–) 27.Rd1 (better is 27.Re1 Ne5 28.Re5 Re5 29.Ne5+– (29.Qd6?! Re4+–)) 27...Qf4 (27...Ne5 28.Ne5 Qg5+–) 28.ed6 Qb4 (28...Rf6 29.Kg2 Qb4 30.Ne5+–) 29.Bg2 1–0. Priyadharshan,K (2405) – Kiewra,Keaton F (2420), US Chess League, 2012. (=1.d4 Nf6 2.Nd2 d5 3.Ngf3 g6 4.e3 Bg7 5.b4 0-0 6.Bb2 Bg4 7.c4 c6 8.Be2 Nbd7 9.0-0 Re8)

12.Qb3 dc4 13.Bc4+= Nd6 14.Be2 a5 15.a4 (15.a3 Nb6+=) 15...Qb6 (15...ab4 16.Qb4 Qa5 17.Qb3=) 16.Ne5 (16.b5 e5+=) 16...Ne5 (16...Red8 17.b5+=) 17.de5 Qb4 18.Qc2 Nc8 (18...Rad8!?=) 19.Rfd1 Rb8 (19...e6 20.Rd3+=) 20.Bd4 (20.Rd4 Qb6 21.Rd7 c5+/–) 20...e6 21.Rab1 (21.Rd3 Qe7+/–) 21...Qe7+= 22.f4 (22.Rb3 Qc7 23.f4 b6+=) 22...Qc7 23.g4 (23.e4 Rd8+=) 23...b6 24.Rdc1 (24.Qb3 Bf8=) 24...Ne7 (24...c5 25.Rd1+=) 25.Bb5= Rec8 26.Rb3 (26.Qe4 c5=) 26...c5 (26...Qb7 27.Bc4 Nd5 28.f5+=) 27.Bb2 Nd5 28.Qf2 (28.Qe4 Rd8+=) 28...Rd8 (28...Nb4 29.h4+=) 29.h4 Qe7 (29...Nb4 30.Qg2+=) 30.Kh2 (30.e4 Nb4=) 30...f6 (30...Nc7 31.Bc6+=) 31.ef6 (31.e4 Nc7 32.Bc4 fe5+=) 31...Bf6–/+ 32.g5 Bb2 33.Qb2 Qg7 (33...Rd6 34.Rd3 Rbd8 35.Qe5–/+) 34.Qg2 (34.Qg7 Kg7 35.Bc4 Kf8+=) 34...h5 (34...Qf7 35.Rd1 Nb4 36.Rbb1+=) 35.gh6+= Qh6 36.Qg5 Kh7 (36...Qg5 37.hg5 Kf7 38.Kg3+=) 37.Kh3 (37.Kg3 Qg5 38.hg5 Kg7+=) 37...Rd6 38.Rg1 ½–½. Injac,Teodora – Stojanovic,Andjelija, 1nd Serbian Team Championship League Wo, 2016. (=1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nbd2 g6 5.e3 Bg7 6.Be2 0-0 7.0-0 Bg4 8.b4 Nbd7 9.Bb2 Re8)

12.Qb3 e6 13.Rac1=.

12.Qb3 Ndf6 13.Rfc1+=.

12.cd5 cd5 13.Rc1 a5+=.

10.gf3 a5+=.

10.Bf3 a5 11.cd5 cd5 12.Qb3+=.

10.Bf3 e6 11.Qb3 b5 (11...a5 12.a3+=) 12.c5+/– a5 (12...Re8 13.a4 a6 14.Ra2+/–) 13.a4 ab4? (better is 13...Rb8!?+/–) 14.ab5+– cb5 15.Qb4 Qc7 16.Rfb1 (16.Qb5? Rab8 17.Qd3 Rb2–+) 16...Qc6 (16...e5 17.Qb5 Ra1 18.Ba1+– (18.Ra1? Rb8 19.Qd3 Rb2–+)) 17.Be2 Ra1 (17...Qc7 18.Bb5 Ne4 19.Ne4 de4 20.Bc3+–) 18.Ra1 Ra8 (18...Rb8 19.Ra5+–) 19.Qb5 (19.Ra8 Qa8 20.Bb5 Bf8+–) 19...Ra1 20.Ba1 Qa8 (20...Qc8 21.Qa4+–) 21.Bc3 Nb8 22.Bd1 h5 (22...Bf8 23.Ba4+–) 23.Ba4 h4 (23...Bf8 24.Qa5 Qb7 25.g3+–) 24.c6 (24.Qa5 Qb7+–) 24...Ne8 25.Nf3 Bf6 (25...Na6 26.Qb6+–) 26.Ba5 Nd6 (26...Na6 27.Qb7 Nac7 28.Bc7 Qa4 29.h3+–) 27.Qc5 Ne4 (27...Be7 28.c7 Kg7 29.Ne5+–) 28.Qb6 (better is 28.c7!? Nc5 29.c8Q Kg7 30.Qc5 Bd8 31.Bd8 Qa4+–) 28...Nc6 29.Bc6 (worse is 29.Qc6 Qa5 30.Qb5 Qa7+=) 29...Qf8 30.Qb4 Be7 (30...Qc8 31.Qb7 Qb7 32.Bb7+–) 31.Qb7 h3 (31...Nd6 32.Qa7+–) 32.gh3 Bf6 (32...Nd6 33.Qd7+–) 33.Bb4 Qg7 (33...Qd8 34.Qd7+–) 34.Bd5! ed5 (34...Ng5 35.Ng5 Bg5 36.Qc8 Kh7 37.Be4+–) 35.Qd5 Qh6 (35...Nf2 36.Kf2 Qh8 37.Qa8 Kg7 38.Qh8 Kh8 39.e4+–) 36.Qe4 Qh3 (36...Kg7 37.Qe8 Qh8 38.Qh8 Kh8+–) 37.Qe8 Kh7 (37...Kg7 38.Qf8 Kh7 39.Qf7 Bg7 40.Ng5 Kh6 41.Nh3 g5 42.f3 g4 43.Qe6 Kh5 44.fg4 Kh4 45.Be1 Kh3 46.g5) 38.Qf7 Kh6 (38...Kh8 39.Qf6 Kh7 40.Ng5 Kh6 41.Nf7 Kh5 42.Qg5) 39.Bf8 Kh5 40.Qf6 Qg4 41.Kh1 Qg2 (41...Qf3 42.Qf3 Kh4 43.Be7 g5 44.Qf5 Kh5 45.Qg5) 42.Kg2 (42.Kg2 Kg4 43.Qg6) 1–0. Leonco – Marius, internet corr, 2018.

10.Bf3 e6 11.Rc1 a5 12.b5 cb5 13.cb5 a4+=.

10.Bf3+= e6 11.Qe2+=.

10.Bf3+= Re8 11.Qb3 Nb6 (11...a5 12.b5+=) 12.a4 dc4 13.Nc4 Nc4 14.Qc4 Rc8 (14...e5 15.de5 Nd7 16.Rad1 Be5 17.Qg4+=) 15.Rfc1 (15.b5 cb5 16.Qb5 a6+/–) 15...Qd7 (15...Nd5 16.Qc5+/–) 16.Rc2 (16.b5 Nd5+/–) 16...Qf5 (16...Nd5 17.Rac1+=) 17.Rac1+/– e5 (better is 17...Nd7!?+/–) 18.de5+– Nd7 19.Bg4 Ne5 20.Bf5 (20.Be5 Qe5 21.Bc8 Rc8+–) 20...Nc4 21.Bc8 Bb2 22.Bb7 Rb8? 23.Rd1 Rb7 24.Rc4 Ba3 25.Rb1 a5 26.b5 c5 27.Rd1 f5 28.g4 Kf7 29.gf5 gf5 30.Rd6 (30.Rd6 Kg7 31.Rf4+–) 1–0. Railo – Kohonen, 1987. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d5 5.d4 Bg4 6.Be2 Nbd7 7.Nbd2 0-0 8.0-0 c6 9.c4)

10.Nf3 Qc7 11.a4 Rae8 12.Qb3 Ng4? (12...Qd6 13.a5+=) 13.h3 (13.cd5 cd5 14.Qd5 Ngf6+-) 13...Nh6? (better 13...Ngf6!?+=) 14.cd5+- cd5 15.Qd5 e5? (better 15...e6 16.Qb5 a6+-) 16.Rac1 Qb8 (16...Nb6 17.Rc7 Nd5 18.Rb7 ed4 19.Nd4 Re7 20.Re7 Ne7+-) 17.Qd7 1-0. jhonores (2215) - cbvanpelt (2210), Rated Blitz game, lichess.org, 2020.

10.Bf3 a5 A) 11.Qb3 a4 (11...dc4 12.Nc4 ab4 13.Qb4 Ra7 14.0-0 Nd5) 12.Qa3 Re8 13.0-0 e5 14.Rfc1 e4; B) 11.b5 cb5 (11...a4 12.bc6 bc6 13.0-0 Re8 14.Rc1 e6) 12.cd5 Nb6 13.Qb3 b4 14.e4 Rc8.

10.Bf3 b5 11.cb5 (11.cd5 cd5 12.a4 ba4 13.Qa4 Qb8 14.Ba3 e5) 11...cb5 12.a4 ba4 (12...Qb6 13.g4 e6 14.ab5 Ne8) 13.Qa4 Nb6 (13...Qb8 14.Ba3 e5) 14.Qb3 (14.Qa5 Qd7) 14...Qd7 15.0-0 Rfc8 16.Ra5 e6 17.Rfa1 Rc7 18.Rc5 Rb8 19.Be2 White prepares b5 19...Bf8 20.Qc3 (20.Rc7 Qc7 21.b5 Rc8+=) 20...Na8= 21.b5 (21.Rc7 Nc7 22.Qc1=) 21...Rbc8 (better 21...Rcb7!?=) 22.Ra7+– Bc5 23.Rc7 Nc7 (23...Qc7 24.dc5 (worse 24.Qc5 Qc5 25.dc5 Rc5–/+) 24...e5 25.Nb3+=) 24.dc5+– d4? (better 24...Nce8+–) 25.Qd4+– Qd4 26.Bd4 (26.ed4?! Nb5 27.Kh2 Rb8=) 26...Nce8 (26...Nd7 27.Ne4 Nd5 28.c6+–) 27.b6 (27.Nb3 Nd7+–) 27...e5 28.Ba6 Rd8 29.Be5 (29.Bc3 Nd7 30.Ne4 f5+–) 29...Nd7 30.Bd4 Nc5 31.Bc5 Rd2 32.b7 (better 32.Bc8!?+–) 32...Rb2+– 33.Ba7 Nc7 34.b8Q Rb8 35.Bb8 Na6 36.Bd6 f5 37.f3 Kf7 38.e4 fe4 (38...Ke6 39.e5+–) 39.fe4 Ke6 40.e5 Kd5 (40...Kd7 41.Kf2+–) 41.Kf2 Nc5 (41...Kc6 42.Kf3 Kd5 43.Kg4+–) 42.Bc5 Kc5 43.Kf3 1–0. Kortschnoj,Viktor – Belotti,Bruno, Novi Sad, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4 8.Be2 Nbd7 9.h3 Bf3)

10.Bf3 e6 A) 11.Qb3 b5 (11...a5 12.a4 ab4 13.Qb4 b6 14.0-0 Qc7) 12.cd5 cd5 13.Be2 Qb6 14.0-0 Rfc8; B) 11.0-0 a5 (11...Qe7 12.Qb3 a6 13.Rfc1 Rfd8 14.a3 b5) 12.Bc3 ab4 13.Bb4 Re8 14.Qb3 Nb6.

10.Bf3 Re8 11.0-0+= e5 12.Qc2 (12.Rc1 Qe7 13.b5 cb5 14.cb5 Qb4 15.de5 Qb2 16.ef6 Nf6 17.Nb3 Qe5+= 0.28; 12.b5 cb5 (12...Rc8 13.bc6 bc6 14.Rb1 e4 15.Be2 c5 16.Qa4 Qc7 17.Rfc1 dc4+= 0.41; 12...e4 13.bc6 bc6 14.Be2 Rb8 15.Qc2 Qe7 16.Rab1 Qe6 17.Ba3 Rb6+= 0.34; 12...Qe7 13.Rb1 Qe6 14.bc6 bc6 15.cd5 Nd5 16.Nb3 Rab8 17.Qd2 e4= 0.22; 12...a6 13.bc6 bc6 14.Rb1 c5 15.dc5 Nc5 16.cd5 e4 17.Be2 Qd5= 0.19) 13.de5 Ne5 14.cb5 Rc8 15.Be5 Re5 16.Qa4 Qb6 17.Rac1 Ree8= 0.09; 12.a3 Qe7 (12...a5 13.b5 cb5 14.cb5 e4 15.Be2 Qb6 16.Rb1 h6 17.Rc1 Bf8+= 0.34; 12...Rc8 13.Rc1 Qe7 14.Qc2 Rcd8 15.Rfd1 dc4 16.Nc4 e4 17.Be2 Nd5= 0.00; 12...ed4 13.Bd4 Ne5 14.Be2 Qe7 15.Qc2 dc4 16.Bc5 Qc7 17.Nc4 Nc4= 0.12) 13.Rc1 a5 14.cd5 Nd5 15.ba5 ed4 16.Bd4 Bd4 17.ed4 Ra5= –0.06; 12.Rb1 e4 (12...Qc7 13.cd5 Nd5 14.Bd5 cd5 15.de5 Ne5 16.Nf3 Rad8 17.Be5 Be5+= 0.28; 12...dc4 13.Nc4 e4 14.Be2 Qe7 15.Qb3 a6 16.Qc2 Nd5 17.a3 Rad8= 0.06; 12...Qe7 13.b5 Rab8 14.Qa4 cb5 15.cb5 e4 16.Be2 Ra8 17.Rbc1 Qd6+= 0.44; 12...Qb6 13.de5 Ne5 14.Bd4 Qd8 15.b5 Nf3 16.Qf3 Ne4 17.Ne4 de4= 0.09) 13.Be2 dc4 14.Nc4 Qe7 15.Qb3 a6 16.Rfc1 Nd5 17.a4 b5= 0.06) 12...e4 (12...Qe7 13.Rab1+= (13.a3 b5 14.cd5 cd5 15.Qc6 a6 16.Rac1 e4 17.Be2 Qf8+= 0.28) 13...Rad8 14.b5 c5 15.cd5 e4 16.d6 Qe6 17.Be2 Qd6+= 0.37; 12...dc4 13.Rfd1 Qc7 14.Nc4 e4 15.Be2 Nd5 16.a3 Rad8 17.Nd2 f5= 0.00) 13.Be2+= Rc8 (13...dc4 14.Nc4 Qe7 15.a3 Nd5 16.Rac1 Rad8 17.Na5 N7f6= 0.00) 14.Bc3 (14.c5 Qc7+= (14...Qe7 15.Qa4 Ra8 16.b5 Qe6 17.Rab1 Rec8+= 0.41) 15.a4 h6 16.Rfb1 Re6 17.a5 Re7+= 0.37; 14.Rac1 dc4 15.Nc4 Qe7 16.Ba3 Qe6 17.Nd2 Nd5= 0.09) 14...Kh8 (14...dc4 15.Nc4 Nb6 (15...Qe7 16.a3 Nd5 17.Rfd1 b5= 0.09) 16.Na5= (16.Nb6 Qb6 17.a4 Nd5= 0.00) 16...Qe7 17.a3 Nbd5= 0.09) 15.Rab1 (15.c5 Qc7+– (15...Qe7 16.Qa4 Ra8 17.b5 Qe6+= 0.50) 16.a4 Kg8 17.b5 b6= 0.12; 15.a4 dc4 16.Rfc1 b5 17.ab5 cb5+= 0.37) 15...Ng8 (15...dc4 16.Nc4 A) 16...Qc7 17.Rfc1+= (17.Ra1 Nd5= 0.25) 17...Nd5+= 0.28; B) 16...Qe7 17.Na5 Nb6= 0.22; 15...Qe7 16.c5 Kg8 17.Qa4 a6+= 0.31) 16.c5 (16.Rfc1 Ne7+– 17.a3 Nf5+= 0.44; 16.b5 Qc7 17.Rfc1 Ngf6+= 0.53) 16...f5 (16...Ne7!?+– 17.b5 cb5+= 0.50; 16...Qf6 17.Rfd1 Ne7+= 0.31) 17.b5+– Ne7 (17...cb5 18.Rb5 Qc7 19.Rc1+–; 17...Qf6+= 0.69) 18.bc6 bc6 19.Rb7 Rb8 (19...Rc7 20.Rfb1 Qc8 21.R7b2+–) 20.Ra7 Nf6 (20...Nc8 21.Ra6 Qf6 22.Nb3+–) 21.Rb1 g5 (21...Qc8 22.Rb6+–) 22.a4 f4 23.Nf1 (23.a5 Ra8 24.Ra8 Qa8+–) 23...Ng6 (23...Rb1 24.Qb1 Qc8 25.a5+–) 24.Ba5 (24.a5 Qc8 25.Rb8 Qb8+–) 24...Qc8 25.Rc7 Qe6 26.Rb6 Rb6? (26...Ne7+–) 27.cb6 (27.Bb6 f3 28.gf3 Qh3–+) 27...f3 28.Rc6 Qf5 (28...Qf7 29.gf3 Nh4+–) 29.Bf3! Nh4 (29...ef3 30.Qf5) 30.Be2 g4 (30...Rb8+–) 31.b7 Nf3 32.gf3 gf3 33.Bf3! Qf3 (33...ef3 34.Qf5; 33...Qf3 34.Rc8) 34.Rc8 Qh3 35.Re8 Ne8 36.Qc8 (36.Qc8 Bd4 37.Qe8 Kg7 38.b8Q Qg2 39.Kg2 Bf6 40.Qd6 Be7 41.Qde7 Kh6 42.Qf6) 1–0. pierre – NYPatzer, internet, 2011.

10.Bf3 Re8 11.Qb3 A) 11...e6 A1) 12.b5 a6 (12...Qa5 13.Bc3 Qc7 14.0-0 dc4 15.Qc4 Nb6 16.Qb3 cb5 17.Ba5 e5+= 0.37; 12...a5 13.a4 Rc8 14.0-0 e5 15.cd5 Nd5 16.Bd5 cd5 17.Qd5 Nb6+= 0.34; 12...Nb6 13.0-0 cb5 14.Qb5 a6 15.Qb4 dc4 16.Nc4 Nc4 17.Qc4 Nd5+= 0.34; 12...Qb6 13.a4 Qa5 14.Qc3 Qd8 15.bc6 bc6 16.0-0 e5 17.Rab1 ed4= 0.19) 13.bc6 bc6 14.Rb1 c5 15.0-0 cd4 16.Bd4 e5 17.Bc3 Nc5= 0.19; A2) 12.Rc1 b5 13.cd5 cd5 14.Be2 a5 15.a3 ab4 16.Qb4 Bf8 17.Qb3 Qa5= 0.19; A3) 12.0-0 a5 (12...b5 13.cd5 cd5 14.Be2 Qb6 15.Rfc1 Rec8 16.a4 ba4 17.Qa4 Rab8+= 0.41; 12...Qc7 13.Rfc1 Qd6 14.b5 e5 15.cd5 cd5 16.de5 Ne5 17.Be2 Ne4+= 0.50; 12...Nb6 13.Rfc1 Qd7 14.c5 Nc8 15.Be2 Qc7 16.b5 Ne7 17.a4 Nf5+= 0.50; 12...Rc8 13.Rfc1 Qe7 14.b5 cb5 15.Qb5 Nb6 16.Rab1 dc4 17.Nc4 Nc4+= 0.47) 13.b5 a4 14.Qd3 c5 15.Rab1 cd4 16.Qd4 e5 17.Qh4 e4= 0.22; B) 11...Nb6 B1) 12.Be2 dc4 (12...Qc8 13.c5 Nbd7 14.0-0 e5 15.Rfd1 Qc7 16.de5 Ne5 17.b5 Rac8+= 0.37; 12...Nc4 13.Nc4 dc4 14.Bc4 e6 15.0-0 Nd5 16.b5 Rc8 17.Rfc1 c5+= 0.34; 12...Qd7 13.c5 Nc8 14.0-0 Qe6 15.b5 cb5 16.Qb5 Rb8 17.Rfc1 a6+= 0.53; 12...e6 13.c5 Nbd7 14.0-0 Qe7 15.Rfd1 e5 16.de5 Ne5 17.Bd4 Qe6+= 0.34) 13.Nc4 Nfd5 14.0-0 Nc4 15.Qc4 e5 16.de5 Be5 17.Be5 Re5= 0.19; B2) 12.a3 a5 (12...Qd7 13.c5 Nc8 14.h4 h6 15.h5 g5 16.Be2 Qe6 17.Kf1 b6+= 0.31; 12...h6 13.0-0 Qd7 14.a4 Qe6 15.cd5 Nbd5 16.e4 Nc7 17.Rac1 Qb3+= 0.47; 12...e5 13.de5 Nfd7 14.c5 Nc8 15.0-0 Ne5 16.Be2 Qh4 17.b5 Ne7+= 0.44; 12...Qc8 13.Rc1 Qe6 14.0-0 Rac8 15.Rfe1 dc4 16.Nc4 h6 17.e4 Nc4+= 0.50) 13.0-0 dc4 14.Nc4 Nc4 15.Qc4 Qd7 16.Rfd1 e6 17.Be2 ab4= 0.25; B3) 12.0-0 a5 (12...h6 13.a4 Qd7 14.a5 dc4 15.Nc4 Nc4 16.Qc4 a6 17.Rac1 Rad8+= 0.50; 12...Qd7 13.a4 Qe6 14.cd5 Nbd5 15.e4 Nf4 16.Rfd1 Red8 17.Rac1 Qd7+= 0.47; 12...Qc7 13.a4 a5 14.Rfc1 dc4 15.Nc4 Nc4 16.Rc4 e5 17.de5 Nd7+= 0.66; 12...e6 13.Rfc1 Qd7 14.c5 Nc8 15.Be2 Qc7 16.b5 Ne7 17.a4 Nd7+= 0.47) 13.b5 dc4 14.Nc4 a4 15.Qd3 cb5 16.Nb6 Qb6 17.Rfb1 Qa6= 0.22; B4) 12.Rc1 a5 13.b5 dc4 14.Nc4 a4 15.Qd3 cb5 16.Ne5 a3 17.Ba1 Ra7+= 0.47; C) 11...a5 C1) 12.cd5 a4 13.Qd3 Nd5 14.b5 Nb4 15.Qc4 Ne5 16.de5 Nd3 17.Ke2 Nb2=+ –0.28; C2) 12.0-0 e6 (12...a4 13.Qd3 e5 14.cd5 Nd5 15.Bd5 cd5 16.de5 Ne5 17.Be5 Be5= 0.09; 12...e5 13.a3 e4 14.Be2 Qc7 15.Rfc1 a4 16.Qc2 dc4 17.Nc4 Nd5+= 0.31; 12...dc4 13.Nc4 ab4 14.Qb4 Qc7 15.Rfc1 h6 16.e4 Nh7 17.Be2 Ng5+= 0.41) 13.b5 a4 14.Qd3 c5 15.cd5 ed5 16.dc5 Nc5 17.Qc2 Rc8= 0.06; C3) 12.ba5 Qa5 13.cd5 cd5 14.Bc3 Qa3 15.0-0 h6 16.Rfb1 Qb3 17.Rb3 Rec8= 0.09.

10.Nf3 a5 11.a3 ab4 (11...dc4 12.Bc4 Nb6 13.Bd3=+) 12.ab4 Qb6 (12...Ra1 13.Qa1 dc4 14.Bc4=) 13.Qb3 (13.Ra4 dc4 14.Bc4 Nd5=) 13...Ra1 (13...c5 14.Ra8 (14.dc5? Nc5 15.Qc3 Nh5–+) 14...Ra8 15.Ne5=+ (worse 15.dc5 Nc5 16.Qc3 Nh5–+)) 14.Ba1= Ra8 15.0-0 Qa7 ½–½. Rodriguez Lopez,Rafael (2290) – Sion Castro,Marcelino (2400), Mondariz, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4 8.Be2 Nbd7 9.h3 Bf3)

10.Nf3 a5 11.b5 cb5 (11...Rc8 12.c5 Ne4 13.Rb1 b6 14.bc6 Rc6) 12.cb5 Rc8 13.Rc1 Nb6 14.0-0 Qd6.

10.Nf3 a5 11.cd5 Nd5 (11...cd5 12.Qb3 ab4 13.Qb4 Qb6 14.Ba3 Qa7) 12.b5 a4 13.bc6 bc6 14.Rb1 a3.

10.Nf3 dc4 11.Bc4 Nd5 (11...Nb6 12.Bd3= Nbd5 13.a3 a5 14.b5 cb5 15.Bb5 Rc8 16.0-0 Qb6 17.Qb3+= 0.44) 12.Qb3 (12.Qd2 N7b6 13.Bd3 Na4 14.0-0 Nb2 15.Qb2 e5 16.Ne5 Be5 17.de5= 0.06; 12.a3 a5 13.b5 N7b6 14.Bf1 c5 15.e4 Nf4 16.Rb1 cd4 17.Bd4= 0.06) 12...N7b6 13.Bd3 Qd6 14.Ba3 Rac8 15.Rc1 Nd7 16.b5 c5 17.Nd2+= 0.34.

10.Nf3 Ne4 11.0-0+= e6 (11...a5 12.cd5 (12.Qb3 a4 13.Qc2 Ndf6 14.a3 Qd6 15.Rfc1 Qe6 16.cd5 Nd5 17.Bd3+= 0.47; 12.a3 ab4 13.ab4 Ra1 14.Qa1 dc4 15.Bc4 Nb6 16.Bd3 Nd6 17.Rc1+= 0.31; 12.b5 dc4 13.Qc2 c3 14.Qe4 cb2 15.Rab1 e5 16.de5 Qe7 17.bc6+= 0.34; 12.Qe1 ab4 13.cd5 c5 14.Bd3 Ndf6 15.Ne5 Qd5 16.dc5 Qc5 17.Bd4= 0.00) 12...cd5 13.Qb3 Ndf6 14.Rfc1 a4 15.Qa3 Qd7 16.Ne5 Qf5 17.f3+= 0.53; 11...Ndf6 12.Qc2 (12.a3 a5 13.Qb3 dc4 14.Bc4 Nd6 15.Bd3 Nd5 16.ba5 Qa5 17.Rab1+= 0.38; 12.Qd3 Qd6 13.c5 Qe6 14.a4 Rfb8 15.Ne5 b6 16.Rfb1 bc5 17.bc5= 0.22; 12.Qb3 Qd6 13.Rfc1 Rfd8 14.cd5 cd5 15.Rc2 Rac8 16.Rac1 Rc2 17.Rc2+= 0.31; 12.Ne5 a5 13.a3 ab4 14.ab4 Ra1 15.Ba1 dc4 16.Bc4 Nd6 17.Bd3= 0.22) 12...a5 13.a3 Qd6 14.c5 Qe6 15.Ne5 ab4 16.ab4 Nd7 17.Nd7+= 0.44; 11...Nd6 12.cd5 (12.c5 Ne4 13.Nd2 f5 14.Ne4 fe4 15.Bg4 e5 16.b5 ed4 17.Bd4= –0.06) 12...cd5 13.Rc1 b5 14.Bc3 Rc8 15.Qb3 Nc4 16.Rc2 Ndb6 17.Rfc1= 0.16) 12.Qb3 (12.Rc1 Qf6+= 13.Qc2 Rfc8 14.Bd3 a5 15.a3 ab4 16.ab4 Qe7 17.Ra1+= 0.44; 12.a3 Qf6 13.Qc2 Nd6 14.c5 Nf5 15.Qd3 Rfd8 16.Rfb1 Nh4 17.Nh4+= 0.38; 12.Qc2 Qe7 13.a3 a5 14.Bd3 f5 15.b5 cb5 16.cd5 Rfc8 17.Qd1= 0.25; 12.Rb1 Qf6 13.Qc2 Rfd8 14.a3 Rac8 15.Rfc1 h6 16.Bd3 Nd6 17.c5+= 0.44; 12.Qd3 Qf6 13.a3 Rfd8 14.Qc2 Nd6 15.c5 Nf5 16.Rfe1 Nh4 17.Nh2+= 0.31) 12...Re8 (12...Qf6 13.Bd3 (13.Qd3= a5 14.b5 Qf5 15.Rfc1 Rfc8 16.bc6 bc6 17.Rab1+= 0.31) 13...dc4 14.Bc4 Rfd8 15.Bd3 Nd6 16.e4 Qe7 17.Qc2+= 0.38) 13.Rac1 (13.b5 a5 (13...Rc8+= 14.Rfc1 Qb6 15.bc6 bc6 16.Rab1 Qb3 17.ab3+= 0.38) 14.Rfc1 a4 15.Qa3 e5 16.bc6 bc6 17.cd5= 0.16) 13...dc4 (13...Qf6 14.a3+= (14.Qc2 Rad8 15.Bd3 Nd6 16.c5 Nf5 17.Qa4+= 0.47) 14...Rad8 15.Bd3 Nd6 16.c5 Ne4 17.Qc2+= 0.63) 14.Rc4 (14.Bc4 Nd6+= 15.Bd3 a5 16.Bc3 e5 17.de5+= 0.41) 14...Nd6 (14...Nb6 15.Rc2+= (15.Rcc1 Qd5 16.Qc2 a5 17.Bd3+= 0.28) 15...a6 16.Bd3 Qd5 17.Qa3+= 0.34) 15.Rc2 a5 (15...Qb6 16.Rd1 a5 17.Bc3+= 0.53) 16.b5 (16.Bc3 a4 17.Qb2+= 0.31 (17.Qa3 Nb6+=); 16.Rb1 Qb6 17.Bc3+= 0.47) 16...a4 17.Qb4 Nb5 18.Bb5 Bf8 19.Qc4 Nb6 20.Qe2 (20.Qd3 a3 21.Bc3 cb5 22.Qb5 Rc8+=) 20...cb5 21.Qb5 Nd5 22.Ba1 (22.a3 Qb6 23.Qb6 Nb6+=) 22...b6 23.e4 Ra5 (23...Nb4 24.Rb2 Ra5 25.Qc4+=) 24.Qb2 a3 (24...Nf6 25.Re1+=) 25.Qb3 Nf6 (25...Nf4 26.Rb1+=) 26.Re1 Nd7 27.Rec1 b5 (27...Bh6 28.Rb1+=) 28.d5 e5 (28...ed5 29.Qd5 Nb6 30.Qd8 Rd8 31.Bd4+–) 29.Rc6 Ra4 30.Qb5 Re4 31.d6 Qb8 (31...Nb8 32.Nd2 Rh4 33.Rc8 Qc8 34.Rc8 Rc8 35.Qe5 Rc1 36.Nf1 Ra1 37.Qa1+–) 32.Qd5 Nf6 33.Qd3 Rd8 (33...Qb7 34.Ra6+– (34.Qa3?! Bh6=)) 34.Ng5 (34.Be5 Re5 35.Ne5 Rd6 36.Rd6 Bd6+–) 34...Rf4 (better 34...Rd6 35.Rd6 Qd6+–) 35.Be5+– Rf5 36.f4 (36.Nf7 Nd7 37.Nd8 Ne5 38.Qd5 Nf7+–) 36...Nd7 (36...Bh6 37.Ne4 (37.Qa3?! Nd7 38.Ba1 Rf4+–) 37...Nd7 38.Rb1+–) 37.Nf3 Bh6 38.R1c4 (38.Qa3 Ne5 39.fe5 Bc1 40.Qc1 Qa7 41.Qc5 Qc5 42.Rc5 f6=) 38...Ne5 (38...Qa7 39.Kh1 Qb7 40.Rc7+– (40.Qa3?! Ne5 41.fe5 Qb1 42.Kh2 Bf4 43.Rf4 Rf4+–)) 39.fe5 (39.Ne5 Bf4 40.Nd7 Qb2–/+) 39...Qa7 40.Kh1 Rf4?! (40...Qb7+–) 41.Rc8 (better 41.Rc7 Qa6 42.Rc3 Qd3 43.Rd3+–) 41...Qa5 (41...Qd7 42.Rd8 Qd8 43.Rf4 Bf4 44.Qa3 Qc8+–) 42.R4c5 (42.R4c7!? Rc8 43.Rc8 Kg7+–) 42...Rf3 43.Qf3 (worse 43.Ra5 Rd3 44.Rd8 Kg7+–; worse 43.gf3 Qe1 44.Kg2 Be3 45.Rd8 Kg7+–) 43...Qe1 44.Kh2 Be3 45.Rc1! Bc1 (45...Qc1 46.Rc1) 46.Rd8 Kg7 47.Rd7 (better 47.Qg3!? Qd2 48.e6 fe6+–) 47...Qe5 48.g3 Kh6 49.h4 f5 (49...f6+–) 50.Kh3 Qe6 (50...Qd4 51.Re7 Qg4 52.Qg4 fg4 53.Kg4+–) 51.Rc7 (51.Re7 Qd6 52.Qb7 Qe7 53.Qe7 Bb2 54.g4 fg4 55.Kg4 Bd4 56.Qf8 Bg7 57.Qf4 g5 58.Qg5) 51...Bd2 52.d7 (52.Re7 Qc4 53.d7 Qg4 54.Qg4 fg4 55.Kg4 Ba5+–) 52...Qd6 53.Ra7 Bc1 (53...Ba5 54.Ra5 Qd7 55.Qa3 Qb7 56.Qe3 Kg7+–) 54.Qa8 f4 55.d8 Qd3 (55...g5 56.Nf7 Kg7 57.Ng5 Qd7 58.Rd7 Kf6 59.Qc6 Ke5 60.Qe6) 1–0. Gustafsson,Jan (2630) – Arakhamia_Grant,Ketevan (2445), 38th Olympiad, Dresden GER, 2008. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 c6 6.c4 0-0 7.Bb2 Bg4 8.Be2 Nbd7 9.h3 Bf3)

10.Nf3 Ne4 11.a3 A) 11...dc4 12.Bc4 a5 13.0-0 ab4 14.ab4 Ra1 15.Qa1 Nb6 16.Bd3 Nd6 17.Rc1+= 0.31; B) 11...Nd6 12.c5 Ne4 13.0-0 e6 14.Bd3 f5 15.Qc2 h6 16.b5 Qc7 17.Rab1+= 0.34; C) 11...Nb6 12.c5 (12.Qc2 f5 13.c5 Nd7 14.0-0 Qc7 15.Rad1 b5 16.Ra1 f4 17.ef4+= 0.28) 12...Nd7 13.0-0 e6 14.Bd3 f5 15.Qc2 Ng5 16.Ng5 Qg5 17.f4+= 0.31; D) 11...a5 12.0-0 (12.b5 dc4 13.Bc4 Nd6 14.Qe2 Nc4 15.Qc4 Qb6 16.Rc1 cb5 17.Qc7=+ –0.31; 12.Qb3 dc4 13.Qc4 ab4 14.Qb4 Nb6 15.0-0 Nd5 16.Qb3 Qd6 17.Bd3= 0.22; 12.cd5 cd5 13.0-0 ab4 14.ab4 Qb6 15.Qb3 e6 16.Rfc1 Ra1 17.Ra1= 0.19) 12...ab4 13.ab4 Ra1 14.Qa1 dc4 15.Bc4 Nb6 16.Bd3 Nd6 17.Rc1+= 0.31.

10.Nf3 e6 11.0-0 a5 12.b5 cb5 13.cb5 a4 White creates threats along the open c–file 14.Ba3 Re8 15.Rc1 Nb6 16.Rc2 Ne4 17.Qb1 Rc8 18.Rfc1 Rc2 19.Qc2 Qb8 20.Qc7 Qc7 21.Rc7 Rb8 22.Ne5 Na8 23.Rc2 Nb6 24.f3 Nf6 25.Rc7 Na8? (better 25...Ne8!? 26.Rf7 Be5 27.Rf8 Kg7 28.de5 Rc8+=) 26.Rf7+– Ne8 27.f4 Nb6? (better 27...Be5 28.Rf8 Kg7 29.fe5 b6+–) 28.Bg4 Nc4 (28...Be5 29.Be6 Bc7 30.Rc7 Kh8 31.Rf7+–) 29.Be6 (29.Be6 Kh8 30.Nc4 dc4 31.Bc4+–) 1–0. Ivanov,Mikhail M (2380) – Iwanow,Anna (2285), Open Brno, 2014. (=1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nbd2 g6 5.e3 Bg7 6.b4 0-0 7.Bb2 Bg4 8.Be2 Nbd7 9.h3 Bf3)

9.gf3 a5 10.b5 a4 11.Rb1 Nfd7 12.cd5 cd5 13.f4 Nf6 14.Bd3 Nbd7 15.Ba3 Nb6 16.h4 Qd7 17.h5 Nh5 18.Rh5 gh5 19.Qh5 f5 20.Bc5 Nc8 21.Ke2 Rf6 22.Rg1 Nd6 23.Nf3 Ne4 (worse is 23...Nb5 24.Ne5 Nc3 25.Kd2+–) 24.Ne5 Qe6 25.Bb4 Rh6 26.Qf3 Kh8 27.Rc1 Rh2 28.Be4? (better is 28.Be1–/+) 28...de4–+ (28...fe4?! 29.Qg4 Qg4 30.Ng4–/+) 29.Qg3 Rh6 30.d5?? (30.Qg5 Qa2 31.Bd2–+) 30...Qd5 31.Qg5 Qb5 (31...Qb5 32.Nc4 Qb4 33.Qf5 Rh1 34.Qe4 Rc1–+) 0–1. Delithanasis,Dimitrios (2240) – Skembris,Spyridon (2470), Kerkyra op, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4 8.h3 Bf3)

9.Qf3 Nbd7 10.Bd3 Re8 11.0-0 e5 12.de5 Ne5 13.Be5 Re5 14.Rad1 Qe7 15.Rb1 Rd8 16.Rfd1 Bh6 17.Nf1 d4 18.ed4 Rd4 19.Ng3?? (better is 19.b5=) 19...Rf4–+ 20.Nf5 Ref5 21.Qg3 (21.Qe3 Qe3 22.fe3–+) 21...Re5 22.f3 Rd4 23.Be4 Ne4 24.fe4 Rde4 25.b5 Be3 26.Kh1 Bf4 27.Qf2 c5 28.g3 Be3 29.Qf3 Rf5 30.Rd8 Kg7 31.Qd1 Bd4 32.Rd5 Re2 33.Rd4 cd4 34.Qd4 Kg8 35.g4 Rff2 (35...Rff2 36.Qd8 Qd8 37.b6 Qb8 38.ba7 Qh2; 35...Qc7 36.Qh8 Kh8 37.gf5 Qh2) 0–1. Rickenbach,Jakob – Bellini,Fabio (2330), Mendrisio op, 1989. (=1.Nf3 d5 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.d4 Bg4 6.c4 c6 7.Nbd2 0-0)

9.Qf3 Nbd7 10.g4 a5 11.b5 e6 12.h4 h5 13.gh5 Nh5 14.Be2 (14.Rc1 Qe7+=) 14...Qf6 (14...e5!? 15.bc6 bc6 16.cd5 ed4=) 15.Qh3+= Kh7 16.Rg1 Rg8 17.Nf3 Bh6 (17...Qe7 18.Ng5 Kh8 19.c5+=) 18.Ng5+/– Kh8 19.Rc1 Rac8 20.bc6 bc6 21.Bc3 Nf8 (21...Qe7!?+/–) 22.Ba5 Ra8 (22...Nd7 23.Qh2 Qe7 24.Bc7+–) 23.Bc7 (better is 23.cd5 Ra5 24.dc6+/–) 23...Bg7?? (better is 23...Nd7+/–) 24.cd5+– ed5 (24...cd5 25.Be5 Qe7 26.Bd6+–) 25.Bh5 gh5 (25...Ra7 26.Be5 Qe7+–) 26.Rc6 Ne6 (26...Qg6 27.Rg6 fg6 28.Nf7 Kh7 29.Rg5+–) 27.Be5 (27.Ne6 Ra2 28.Rg2 fe6 29.Qe6 Ra1 30.Kd2 Qe6 31.Re6 Rc8+–) 27...Qg6 28.Nf7! Qf7 29.Re6 Bf6 30.Bf6 (30.Bf6 Qf6 31.Rg8 Rg8 32.Rf6 Rg4 33.Rh6 Kg7 34.Rh5 Rg1 35.Ke2 Rc1 36.Qd7 Kg8 37.Rg5 Kf8 38.Rf5 Kg8 39.Qf7 Kh8 40.Rh5#) 1–0. Obregon Rivero,J (2475) – Margalef Guell,J (1980), Torredembarra ESP, 2012. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 c6 7.Nbd2 Bg4)

9.Nf3 a5 10.b5 cb5 11.cb5 Nbd7 12.Bd3 Ne4 13.0-0 Nb6 Black intends a4 14.Rc1 a4 15.Ba3 Nd6 16.Bc5 Re8 (16...Nbc4 17.Qc2+=) 17.Ne5+/– Be5 18.de5 Ndc4 19.Bd4 Qd7 20.f4 Qb5 (20...e6 21.Qe1+=) 21.f5+/– Qc6? (better is 21...e6 22.fg6 fg6+/– (22...hg6? 23.Qg4 Qd7 24.h4+–)) 22.e6!+– fe6?? (22...Rf8+–) 23.fg6 hg6 (23...Ne5 24.gh7 Kg7 25.Qg4 Kh6 26.Be5 Qc1 27.Qh4) 24.Bg6 e5 (24...Ne5 25.Qh5 Nf3 26.Qf3 Rf8 27.Bf7 Rf7 28.Qf7) 25.Qh5 1–0. Stegariu,Vlad Ionut (2260) – Barbuleanu,Serban_Ioan (1960), Calimanesti ROM, Team Ch (m), 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.Bb2 c6 7.c4 Bg4 8.h3 Bf3)

9.Nf3 Nbd7 10.Bd3 dc4 11.Bc4 Ne4 12.Qc2 Nd6 13.Bb3 Nf6 14.Ne5 Qb6 15.a3 a5 16.ba5 Qa5 17.Bc3 Qa6 18.Bb4 Nd5 19.Bd2 Nf6 20.Nd3 Nfe4 21.Bb4 Rac8 22.Rc1 b6 23.Bc4 Qb7 24.Bd6 Nd6 25.a4 Qa7 26.0-0= Qa5 27.Rb1 Rfd8 28.Rfc1 c5 29.dc5 bc5 30.Nf4 Nc4 31.Qc4 Qd2 32.Rc2 Qd6 33.a5 Be5 34.g3 Bf4 35.gf4 Rc7 36.a6 Ra7 37.Ra2 Rda8 38.Rba1 Kg7 39.Ra5 h5 40.Qc3 Kh7 41.Qc4 Kg7 42.R1a4 Qd1 43.Kg2 Qd6 44.Qc3 Kh7 45.Qc4 Kg7 46.Ra3 Qc6 47.e4 Qd6 48.f5 Qd4 49.Qe2 Rb8 50.Rd3 Qb4 51.Rda3 Qd4 52.fg6 fg6 53.Rd3 Qb4 54.Raa3 c4 55.Rg3 Rb6 56.Qh5 Raa6 57.Qe5 Kh7?? 58.Rac3 Rf6= 59.Qd4 Ra4 60.Rgf3 Ra1 61.Qe5 Kh6?? 62.Rf6+– ef6 63.Qf6 Qb1 64.Qh8 Kg5 65.Rg3 Kf4 66.Rg4 1–0. Arkell,Keith C – Berry,Neil, Edinburgh, 1997. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Nbd2 c6 7.c4 Bg4)

9.Nf3 Nbd7 10.Bd3 Qc7 11.Rc1 Ne4 12.Be4 de4 13.Nd2 f5 14.Qb3 Kh8 15.0-0 e5 16.d5 cd5 17.cd5 Qd6 18.Rfd1 Nb6 19.Nc4 Nc4 20.Qc4 Rac8 21.Qc8 Rc8 22.Rc8 Bf8 23.a3 Kg7 24.Re8 Kh6 25.Be5 Qa6 26.Rf8 Qa3 27.d6 Qb4 28.d7 Qf8 29.d8Q Qd8 30.Rd8 b5 31.Ra8 1–0. barborski – amator17, kurnik, 2012.

9.Nf3 Nbd7 10.Be2 Ne4 11.0-0 e6 12.a4 f5 13.Rc1 Rf7 14.b5 h5 15.bc6 bc6 16.cd5 cd5 17.Rc6 g5 (17...Rb8 18.Qc2+/–) 18.Nd2 Nd2 19.Qd2 g4 20.Rfc1 (20.Re6 gh3 21.gh3 Qh4+/–) 20...Qf6 21.hg4 hg4 22.g3 (22.Ba3 Bf8 23.Bf8 Raf8+/–) 22...Qh6 23.Bf1 Bf8 24.Bg2 Rh7 25.Bc3 Re8 26.Bb4 Nf6 (26...Nb6 27.Bf8 Rf8 28.Qb4+=) 27.Bf8+= Qf8 28.Rc7 Qd6 (28...Ree7 29.Re7 Qe7 30.Rc8 Kg7 31.Qa5+=) 29.Rh7 Nh7 30.Qa5 Re7 31.Rc8 Kf7 32.Qc5 (32.Bf1 Kg7+=) 32...Qc5= 33.dc5 Rb7 34.f4 (34.a5!?+=) 34...gf3= 35.Bf3 Ng5 36.Bh5 (36.c6 Rb1 37.Kf2 Rb2 38.Be2 Ke7+=) 36...Ke7+= 37.Rg8 Rb1 38.Kg2 Rb2 39.Kh1 (39.Kg1 Ne4 40.Rg7 Kf6 41.Ra7 Nc5 42.a5–/+) 39...Rb1 (39...Ne4!?–/+) 40.Kg2 Rb2 41.Kf1 (41.Kh1 Ne4 42.Kg1–+) 41...Ne4–/+ 42.g4 fg4 43.Bg4 Nc5 44.Rg7 Kd6 45.Ra7 Ra2 46.a5 e5 (46...Ke5!?–/+) 47.Ra8= d4 48.ed4 ed4 49.Be2 Ne4 50.Bd3 Nc5 ½–½. Kovacevic,Bl (2480) – Zimmermann,Ju (2330), Czech GM Open A, 2011. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5 4.e3 Bg7 5.b4 0-0 6.c4 c6 7.Bb2 Bg4)

8.a3 b6 9.Nc3 Ba6 10.Be2 Be2 11.Qe2 e6 12.0-0 Nc6 13.Rac1 Rc8 14.Nb5 Qd7 15.Ne5 Ne5 16.de5 Ne4 17.Bd4 a6 18.Nc3 Nc3 19.Rc3 Rc3 20.Bc3 Rc8 21.Bd4 b5 22.f4 Rc4 23.Bc5 Bf8 24.Bf8 Kf8 25.Rd1 Qc6 26.h3 h5 27.Qf2 Rc3 28.e4 de4?? 29.Qd4?? Rc1–/+ 30.Qd8 Kg7 31.Qf6 Kg8 32.Qd8 Kh7 33.Kh2 Rd1 34.Qd1 Qd5 35.Qc2?? e3 36.Qc7 Kg7 37.Kg1 e2 38.Kf2 Qd1 39.Qc3–+ Qf1 40.Ke3 e1Q (40...e1Q 41.Qe1 Qe1 42.Kf3 Qf1 43.Ke3 Qg2–+) 0–1. vihavald – geewa2012, kurnik, 2012.

8.a4 Nc6 9.b5 Nb4 10.Qb3 a5 11.Bc3 Qd6 12.Nbd2 Bf5 13.Bb4 ab4 14.a5 Rfc8 15.Be2 Rc3 16.Qb2 Rac8 17.0-0 Ne4 18.Ne4 de4 19.Ne5 Rc2 20.Qb3 Be6 21.Nc4 Bc4 22.Qc2 Bd3 23.Qc8 1–0. raifllashtica – betofriend (1625), kurnik, 2012. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 0-0 5.b4 d5 6.Bb2 c6)

8.Qb3 Bf5=.

8.Nc3 a6 9.Qb3 Nc6 10.a3 Re8 11.h3 e5 (11...Bf5 12.Ne5=) 12.de5 Ne5 13.Ne5 Re5 14.0-0-0 Increasing the pressure on the isolated pawn on d5 (better 14.Rd1!?=) 14...Be6-/+ 15.Rd4 Rc8 16.Kb1 a5 17.g4 ab4 18.ab4 (18.Qb4 Bf8 19.Qa4 Ra8-/+) 18...Ne4 19.f4?? (19.Ne4 Re4 20.Bg2 Bd4 21.Bd4 Qc7-/+) 19...Nd2 (better 19...Nc3 20.Bc3 Re3-+) 20.Rd2-/+ Re3 21.f5 (21.Re2 d4 22.Qa4 Re2 23.Ne2 Bd5-+) 21...gf5 (better 21...Bc3 22.Re2 Re2 23.Be2 gf5-+) 22.gf5?? (22.Re2 d4 23.Qa4 dc3 24.Re3 cb2 25.Bc4 Bc4 26.Qd1-+) 22...Bf5 (22...Bc3?! 23.Rg2 Kf8 24.fe6 Re1 25.Bc1-/+) 23.Kc1 (23.Ka2 Ra8 24.Na4 Rb3 25.Kb3 Qe8-+) 23...Bc3 24.Bc3 Rec3 25.Qc3 Rc3 26.Kd1 Qc7 27.Bg2 Rc1 (27...Qc4 28.Ke1 Re3 29.Kf2 Qf4 30.Bf3 Qf3 31.Kg1 Re1 32.Kh2 Rh1) 28.Ke2-+ Rh1 29.Bh1 Bh3 (better 29...Qh2 30.Ke3 Qh1 31.Re2-+) 30.Bd5 Qe5 31.Kd1 (31.Kf2 Bg4 32.Kf1 h5-+) 31...Bg4 (better 31...Qc3 32.Rg2 Bg2 33.Bg2 Qb4 34.Ke2-+) 32.Kc2 h5 33.Bb3 (33.Bc4 Bf5 34.Bd3 h4 35.Rg2 Kf8-+) 33...h4 (better 33...Bf5 34.Kd1 Qc3-+) 34.Rg2 (34.Bc4-+) 34...Qe4 35.Kb2 Qg2 36.Ka3 h3 37.Ka4 Kg7 (37...h2 38.Ka3 h1Q 39.Bf7 Kf7 40.Kb3 Qd1 41.Ka3 Qd3 42.Ka4 Qa2) 38.Kb5 h2 (38...Qc6 39.Ka5 Qa6) 39.Kb6 (39.Ka4 h1Q 40.Bd1 Qa2 41.Kb5 Qc6) 39...h1Q (39...Qc6 40.Ka7 Qa6 41.Kb8 h1Q 42.Kc7 Qhc6 43.Kd8 Qd7) 40.Kc7 (40.Bd5 Qf2 41.Kc7 Qc1 42.Bc4 Qc4 43.Kd8 Qfd4 44.Ke7 Qe6) 40...Qc6 41.Kb8 Qhd5! 42.Bd5 (42.Bd5 Qd6 Double attack (42...Qd6 Decoy)) 42...Qd5 43.Ka7 f5 (43...Qd8 44.Kb7 Bf3 45.Ka6 Qa8 46.Kb6 Qc6 47.Ka5 Be2 48.b5 Qb5) 44.Kb8 (44.Kb6 Qc6 45.Ka7 b5 46.Kb8 Qb6 47.Kc8 f4) 44...f4 (44...Qd6 45.Kc8 f4 46.Kb7 Bf3 47.Kc8 Qc6 48.Kd8 Bg4 49.b5 Qd7) 45.Ka7 f3 46.b5 (46.Kb8 f2 47.Ka7 Qd4 48.Kb8 f1Q 49.Kb7 Qb5 50.Kc7 Qbb6) 46...f2 47.b6 (47.Kb8 Qd8 48.Ka7 f1Q 49.Kb7 Qb5 50.Ka7 Qbb6) 47...f1Q 48.Kb8 Qf8 49.Ka7 Qa5 50.Kb7 Qe7 (50...Qc8) 51.Kc6 (51.Kc6 Bf3; 51.Kb8 Qb6 52.Ka8 Bf3) 1-0. jolubolu (1765) - talvinakkimies (1705), Rated Blitz game, lichess.org, 2014.

8.Be2 a6 9.0-0 b5 10.Nc3 Bb7 (10...Qd6 11.a3=) 11.a3 (11.a4 ba4 12.Qa4 Bc8+=) 11...Nbd7 (11...Ne4 12.Ne4 de4 13.Nd2=) 12.Rc1 (12.a4!? ba4 13.Qa4+= (worse is 13.Ra4 Qb6=)) 12...Nb6 13.Ne5 Nc4 14.Nc4 (14.Qc2 Nd7 15.Nd7 Qd7=) 14...dc4+= 15.a4 (15.Bf3 Bf3 16.Qf3 Kh8+=) 15...Qd7 (15...Qd6 16.Ba1+=) 16.ab5 (16.f3!?+=) 16...ab5–/+ 17.Bf3 e6 18.Bb7 Qb7 19.Ra1 (19.Qf3 Nd5–/+) 19...Nd5 (19...Ra1!? 20.Qa1 Ra8–/+) 20.Nd5 ed5 21.Bc3 Ra1 22.Qa1 Ra8 23.Qb2 f5 24.Ra1 Bf8 25.Ra8 Qa8 26.Kf1 Qa4 27.Ke2 Bd6 28.g3 Secures f4 28...Kf7 29.Kd2 Ke6 30.f4 (30.h3 Qa6+=) 30...h5 31.h4 Kd7 32.Kc1 Kc6 33.Kd2 ½–½. Melzig,Ernst – Fassmann,Ewald Josef (1770), Wch Seniors, 2002.

8.Be2 a6 9.0-0 Nc6 10.a3 Re8 11.Nbd2 Bg4 12.Ne5 Be2 13.Qe2 Ne5 14.de5 Nd7 15.f4 e6 16.Rac1 Qb6 (16...a5 17.b5+=) 17.Kh1 (17.Bd4 Qd8+/–) 17...Qb5 18.Qb5 ab5 19.Nf3 (19.Rc7!? Nb6 20.e4+/–) 19...Nb6= 20.Rc7 Nc4 21.Bc1 Reb8 22.Nd4 Na3 23.Ba3 Ra3 24.Nb5 Re3 25.Nd6 Bf8 26.Nf7 Bb4 27.Ng5 d4 28.Nh7 (worse is 28.Ne6 d3 29.Rg7 Kh8+=) 28...d3?? (better is 28...Ba5 29.Nf6 Kf8+=) 29.Nf6+– Kf8 30.Nd7 Kg8 (30...Ke8 31.Nb8 d2 32.Rc8 Kf7+=) 31.Nb8+/– d2 32.Rd7?? (better is 32.Rcc1! dc1R 33.Rc1+/–) 32...Re1–+ 33.Kg1 Bc5 (33...Bc5 34.Rd4 Bd4 35.Kh1 Rf1) 0–1. ludice (1675) – sceenic (1715), kurnik, 2011.

8.Be2 a6 9.0-0 Qd6 10.a4=.

8.Be2 a6 9.Nbd2 Qd6 10.a3 Bg4=.

8.Be2 Bg4 9.Ng1 Be2 10.Ne2 = (worse is 10.Ke2 Qb6–/+).

8.a3 a5 9.ba5 Qa5 10.Qd2 Nd7 11.Bd3 Qc7 12.0-0 N7b6 13.Nc3 Be6 14.Nd5 Nd5 15.Rfc1 Qd6 16.e4 Nc7 17.e5 (17.d5 Bb2 18.Qb2 cd5 19.e5+= (19.Qb7?! Ra3 20.e5 Ra1 21.Ra1 Qc5=)) 17...Qd7= 18.Bc4 Bd5 19.Bd5 Nd5 20.Rd1 e6 21.h3 b5 22.Rdc1 Ra6 23.Qc2 Bh6 24.Rd1 Rfa8 25.Qc5 Bf8 26.Qc1 Qa7 27.Rd3 b4 28.ab4?? (better is 28.a4–/+) 28...Ra1–+ 29.Ba1 Qa1 30.Qa1 Ra1 31.Kh2 Nb4 32.Rb3 Ra2 33.Kg1 c5 34.g4 (34.Rc3 Ra1 35.Kh2 Ra5–+) 34...c4 35.Rc3 Rc2 36.Rc2 Nc2 37.Nd2 c3 38.Nb1 (38.Nb3–+) 38...Bb4 39.Kf1 (39.h4 Nd4 40.Nc3 Bc3–+) 39...Na3 (better is 39...Ne3! 40.Ke2 c2–+) 40.Nc3 Bc3 0–1. Fournier,Frederic (1650) – knaves, Active, 2006.

8.a3 Bg4 9.Be2 Nd7 10.0-0 a6 11.Nc3 Nc3 12.Bc3 Nf6 13.h3 Bf3 14.Bf3 (worse is 14.gf3 Nd5 15.Bb2 Qd7+=) 14...Rc8 15.Rc1 Re8 16.Re1 Nd7 17.d5 cd5 18.Bg7 Kg7 19.Bd5 Rb8 (19...Rc1 20.Qc1 Qb6 21.Rd1+=) 20.Qb3 (20.Qf3!? Ne5 21.Qe4+/–) 20...e6+= 21.Bf3 Nf6 22.Red1 Qb6 23.Rd3 Red8 24.Rcd1 Rd3 25.Qd3 Qc7 26.Qd6 Qd6 27.Rd6 Kf8 28.Rb6+/– Nd5 29.Bd5 ed5 30.Rd6 Ke7 31.Rd5 Ke6 32.Rd3 h5 33.g3 Rc8 34.Kg2 b5 35.h4 Rc6 36.f4 f6 37.Kf3 Rc1 38.e4 Rf1 39.Kg2 Rc1 40.Kf2 Rc6 41.Ke3 f5 42.e5 Ke7 43.Kd4 Ke6? 44.Rc3 Rb6 45.Rc5 Kd7 46.Kd5 Re6 47.Rc7!! Kc7 48.Ke6 Kc6 49.Kf6 Kb6 50.Kg6 a5 51.ba5 Ka5 52.e6 Ka4 53.e7 Ka3 54.e8Q b4 55.Qa8 (55.Qa8 Kb2 56.Qh8 Kc1 57.Qh5+–) 1–0. Fournier,Frederic – marta25, Active, 2009.

8.Bc4 Bg4 9.Nbd2 Qd6 10.Qb3 Bf3 11.Nf3 Nbd7 12.0-0 Ne4 13.Rad1 e6 14.b5 Rfe8 15.Ba3 Qc7 16.bc6 bc6 17.Qc2 Nd6 18.Bb3 Nb5 19.Bb2 Rac8 20.a4 Nd6 21.Ba3 Bf8 22.Bb2 Qb6 (22...Bg7!?=) 23.Rb1 c5 24.d5 c4 25.Ba2 (25.Qc3 f6 26.de6 Ne5+=) 25...Qa5 (25...ed5 26.Rfd1 Qc6 27.Qc3+=) 26.de6= Re6 (26...fe6 27.Rfd1 Nb6 28.Rbc1=) 27.Qc3 (better is 27.Bc3!? Qa6 28.Nd4+=) 27...Qc3+= 28.Bc3 Ne4 29.Rfc1 Ra6 30.a5 Nc3 31.Rc3 Ra5 32.Bc4? Rac5 33.Rbc1 Nb6 34.Nd2 a5 35.R3c2 a4–/+ 36.Bd3 Rc2 37.Rc2 Rd8 38.Bb5 Bb4 39.Nf1 0–1. Kluegel,Ja (1940) – Jung,Gera (2020), St Pauli Open, 2011. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 c6 5.c4 0-0 6.Bb2 d5)

8.Bc4 Bh6 9.Nbd2=.

8.cd5 cd5 9.0-0 Nbd7 10.Nbd2 a6 11.h3 Bf3 12.Bf3 e6 13.Nb3 Qb6 14.a3 Rac8 15.Rb1 Rc7 16.Nc5 Rfc8 17.Qd2 Ne8 18.Rbc1 Nc5 19.dc5 Qc6 20.Bg7 Ng7 21.Rb1 Nf5 22.Bg4 Ne7 23.Qd4 Qa4 24.Qb2 Nc6 25.Qb3 Qb3 26.Rb3 Ne5 27.Be2 Rd8 28.f4 Nc6 29.Rd1 d4 30.Rbd3 Rcd7 31.ed4 Rd4 32.Rd4 Rd4 33.Rd4 Nd4 34.Bd3 Kf8 35.Kf2 Ke7 36.Ke3 Nc6 37.g4 f6 38.h4 e5 39.Bc4 ef4 40.Kf4 Ne5 41.Bg8 h6 42.g5 hg5 43.hg5 Nd3 44.Ke3 Ne5 45.gf6 Kf6 46.Kd4 g5 47.a4 g4?? 48.Bd5= g3?? 49.Bb7+– Ng4 50.b5 ab5 51.ab5 Nf2 52.b6 Nd1 53.Bg2 Nb2 54.b7 Na4 55.b8Q Kg5 56.Qg3 Kf6+– 1–0. ludice (1705) – fuszerdopotegi (1800), kurnik, 2011.

8.cd5 Nd5 9.a3 Nd7 10.Nc3 a5 11.Nd5 cd5 12.0-0 ab4 13.ab4 Qb6 14.b5 e6 15.Qb3 Nf6 16.Rfe1 Ne4 17.Ra8 Ra8 18.Rd1 Bf8 19.Kf1 Nd6 20.Ne5 Be2–/+ 21.Ke2 Nb5 22.Kf1 Ra5 23.Nd7 Qa6 24.Kg1 Ba3 25.Ba3 Ra3 26.Qb4 Qa4?? 27.Qf8 1–0. ludice (1675) – kwapimat, kurnik, 2011.

7.a4 Nbd7 8.b5 c5 9.d5 a5 10.Be2 Nb6 11.0-0 Bf5 12.Nbd2 Ne4 13.Bg7 Nd2? (better is 13...Kg7 14.Ne4 Be4+=) 14.Bf8+– (14.Qd2?! Kg7 15.Qc3 Kg8+=; 14.Nd2?! Kg7 15.Qb3 Qc7+/–) 14...Nf1 (14...Nf3 15.Bf3 Qf8+–) 15.Be7?? (better is 15.Bh6 Nh2 16.Kh2 e6+–) 15...Ne3?? (better is 15...Qe7 16.Bf1 Qf6+/–) 16.Bd8+– (16.fe3?! Qe7 17.Ra3 Qf6=) 16...Nd1 17.Bb6 Nc3 18.Re1 Na4 19.Bc7 Nc3 20.Bd6 Ne2 21.Re2 Bd3 22.Rb2 Bc4 23.Bc5 Bd5 24.Nd4 a4 25.Ba3 Rc8 26.f3 Rc3 27.Bb4 Rd3 28.Ne2 a3+= 29.Rd2 a2–/+ 30.Rd3 a1Q 31.Kf2 Qe5?? 32.Bc3?? Qe6 33.Nf4 Qb6 34.Kf1?? Bc4 35.Ke2 Bd3 36.Nd3 Qb5 37.Ke3 f5 38.Be5 g5 39.f4 Qb6 40.Ke2 g4 41.h3 gh3 42.gh3 Qg1 43.Nf2 b6 44.Bd6 b5 45.Kf3 Qb1 46.Ke3 b4 47.Nd3 b3 48.Be5 Qg1 49.Kd2 Qg2 50.Kc3 Qh3 51.Kd4 Qg2 52.Kc4 Qe4 53.Kc3 Qe2 54.Nb2 Qc2 55.Kb4 h5 56.Ka3 h4 57.Na4 h3 58.Nb2 h2 59.Bd4 h1Q 60.Be5 Qhe4 61.Bc3 (61.Bc3 Qc3 62.Nc4 b2 63.Ka2 b1Q; 61.Bd6 Qd4 62.Bb4 Qa7 63.Ba5 Qa5 64.Na4 Qa2). carocan (1735) – tamanah, kurnik, 2011.

7.Nc3 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.b5 cb5 12.Nb5 Bg4 13.Be2 d5 14.cd5 Qd5 15.Nc3 Qb3 16.0-0 Nb4 17.Bd1 Qe6 18.h3 Bf5 19.Qa4 Qb6 20.Ba3 Nbd5 21.Nd5 Nd5 22.Bb3 Nc3 23.Qb4 Qc6 24.Qe7 Be4 25.Ne5 Qa6 26.Bf7 Kh8 27.Bc4 b5 28.Bb3 Qa8 29.Nf7 Kg8 30.Qe6 Rf7 31.Qf7 Kh8 32.Ra1 Ne2 33.Kh2 Qb8 34.f4 1–0. Kaenel – Gutman, Biel 1997.

7.Nbd2 d5 8.c4 Nbd7 9.Qb3 dc4 10.Nc4 Nb6 11.Na5 (11.0-0 Be6=) 11...Be6+= 12.Qc2 (12.Nb7?? Qc7 13.Qc2 Bf5–+) 12...Bf5 13.Bd3 Bd3 14.Qd3 Rb8 15.0-0 Nfd5 (15...Na4 16.Qc2 Nb2 17.Qb2=) 16.Qb3 Qd6 17.a3 f5 (17...Qe6 18.Qc2=) 18.Rac1 h6 (18...e6 19.Rfd1=) 19.Rfd1 (19.Ne5 Rfd8+=) 19...Kh7 (19...Nd7 20.h4=) 20.Rc5 (20.Ne5 a6+=) 20...Nd7= 21.Rc2 N7f6 (21...Qe6 22.Nc4=) 22.Nc4 (22.Ne5 e6+=) 22...Qe6 23.Nce5 Ne4 24.Nd3 Rbd8 25.Re1 g5 26.Nfe5 Be5 27.Ne5 Nc7 (27...g4 28.b5 cb5 29.Qb5=) 28.Qa4+= a6 29.f3 Nd6 30.Rc5 Nf7 (30...Nd5 31.Qd1+=) 31.Qc2 (31.e4 Ne5 32.Re5 Qd7+–) 31...Rd5 (31...Nd5!?+=) 32.Nd3 Qg6 (32...Nd6!?+/–) 33.e4+– fe4 34.fe4 Rdd8 (34...Rc5 35.Nc5 (worse is 35.dc5 Qe6+/–) 35...Nd6 36.d5+–) 35.Rf5 (35.d5 Nb5+–) 35...Ne6 (35...Nb5+/–) 36.Ne5 (better is 36.Nc5!?+–) 36...Ne5+= 37.Re5 Rf6 38.Qc4 White plans d5 38...Qf7 39.d5 (39.Rf5 A) 39...Rf5?? 40.ef5 Rd5 41.fe6+– (41.Re6?! Rf5 42.Bc3 Rf1 43.Qf1 Qe6+–); B) 39...Kg6 40.Rf6 ef6=) 39...Nf4= 40.Qc2 Rf8 41.Rf5 Rf5 42.ef5 Qf5?? (better is 42...Nd5 43.Re5 Rd8=) 43.Re7+/– Kg6 44.g4 0–1. Uddin,Md Saif (1995) – Patil,Pratik (2175), S. A. Group of Companies Premier Divisi, 2018. 7.Bd3 b6 8.a3 Bb7 9.0-0 Nbd7 10.Nbd2 a6 11.Rc1 Rc8 12.c5 bc5 13.dc5 dc5 14.bc5 Qa5 15.Nb3 Qc7 16.Qd2 Rcd8 17.Be2 (17.Qa5 Rc8+/–) 17...Ne5 (17...Nc5 18.Qa5 Ne6 19.Qc7 Nc7 20.Na5+/–) 18.Be5 (better is 18.Qa5 Nf3 19.Bf3+/–) 18...Qe5?? (better is 18...Rd2 19.Bc7 Re2=) 19.Qd8 Qb2 (19...Rd8 20.Ne5 Nd5 21.Na5 Be5 22.Nb7+–) 20.Qd3 (better is 20.Qe7 Qb3 21.Nd4 Qa3 22.Qb7 Nd5 23.Nc6 Nc3 24.Ba6 Qc5+–) 20...Qa3 21.Nbd4 Qb4 22.Rb1 Qa5 23.Rb7 Qd8 24.Qa6 Nd5 25.Qc6 Nc3 26.Bc4 Qa8 27.Qb6 Qa4 28.Qb4 Ra8 29.Qa4 Ra4 30.Bd3 Ra3 31.Rb8 Bf8 32.Rc1 Kg7 33.Rc3! Rc3 34.Bf1 Rc1 35.g3 Rc5 36.Kg2 Rc1 37.Nd2 e6 38.Ne4 Ra1 39.Rb7 e5 40.Ne6 Kg8 41.Nf8 Kf8+– 42.Rb8 Ke7 43.Bc4 Ra4 44.Rb7 Kd8 45.Bf7 Re4 46.Bd5 Ra4 47.Rh7 Ra5 48.Be4 g5 49.Rh5 Ra4 50.Bf5 e4 51.Rg5 Ke7 52.Rg4 Kf6 53.Be4 Ke5 54.Bf3 Ra2 55.h4 Ra3 56.h5 Ra7 57.h6 Rh7 58.Rh4 Kf6 59.Be4 Rh8 60.h7 Kg7 61.f4 Kf6 62.Kf3 Kf7 63.g4 Kf6 64.g5 Kf7 65.g6 (65.g6 Kg7 66.f5+–) 1–0. Fournier,Frederic – Ariai, Partie evaluee, 1m + 2s, 2008.

7.Bd3 c5=.

7.Be2 Na6 8.a3 b6 9.0-0 c5 10.dc5 bc5 11.b5 Nc7 12.Nbd2 Ne6 13.Qc2 Bb7 14.Rfd1 a6 15.a4 ab5 16.ab5 Ra1 17.Ba1 Qc7 18.Ne1 d5 (18...Ra8 19.Bf3=) 19.Bf3+= dc4 20.Bb7 Qb7 21.Qc4 Qc7 22.Ndf3 h6 23.Be5 Qa5 24.Ra1 Qb6 25.Ra6 Qb7 26.h3 Nd7 27.Bg7 Kg7 28.Nd3 Nb6 29.Qc3+/– Kg8 30.Nc5 Nc5 31.Qc5 Rc8?? 32.Qb6 Rc1 33.Kh2 Qd7 34.Ra8 Kh7 35.Qd4 Qb5 36.Rh8# (36.Qh8#) 1–0. bluepiramid2 (1605) – djsurdi, kurnik, 2011. (=1.e3 g6 2.d4 Bg7 3.c4 Nf6 4.b4 0-0 5.Bb2 c6 6.Nf3)

7.Be2 Qb6 8.a3 a5 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Be6 12.Nbd2 Na6 13.Bc3 d5 14.c5 Qc7 15.0-0 Ne4 16.Ne4 (better is 16.Ra1+=) 16...de4–+ 17.Nd2?? (better is 17.Qc2 ef3 18.Bf3–+) 17…Bb3 (17...Bb3 18.Nb3 e5–+) 0–1. Fournier,Frederic – Guest3907520, Partie amicale, 3m + 2s, 2008.

7.Be2 Bg4 8.0-0 Nbd7 9.Nbd2 Rb8 10.Qb3 a6 11.a4 d5 12.cd5 Nd5 13.Rfe1 e6 14.Nc4 Qc7 15.Rac1 N7b6 16.Nb6 Qb6 17.a5 Qb4 18.Qb4 Nb4 19.Ba3 Nd5 20.Bf8+/– Bf8 21.Ne5 Be2 22.Re2 Bd6 23.Rb2 Be5? 24.de5+– Kg7 25.Rc6! Ne7 26.Ra6?? Rc8–+ 27.f4 ba6 28.Rb6 Ra8 29.e4 h5 30.Kf2 Ng8 31.Ke3 Nh6 32.h3 h4 33.Kd4 Ng8 34.Kc5 Rc8 35.Rc6 Rb8 36.Rb6= Ra8 37.Kc6 Ne7 38.Kb7 Rc8 39.Ra6 Rc4 40.Rb6= Re4 41.a6 Nd5 42.Rb5 Ra4 43.a7 Nf4 44.a8Q Ra8+= 45.Ka8 Ng2 46.Rb4= g5 47.Kb7 Nf4–/+ 48.Rb3 Kg6 49.Kc6–/+ Kf5 50.Kc5?? Ke5–+ 51.Kc4 Kf5 52.Kd4 e5 53.Ke3 Nh3 54.Ke2 Nf4 55.Kf2 g4 56.Rb7 f6 57.Kf1 h3 58.Rh7 g3 59.Kg1 Ke4 60.Rh4 Kf3 61.Kh1 e4 62.Kg1 e3 63.Kf1 e2 64.Ke1–+ Ng2 65.Kd2 e1Q 66.Kd3 Nh4 67.Kd4 Qe4 68.Kc5 g2 69.Kd6 g1Q 70.Kd7 Qd1 71.Kc7 Qec2 72.Kb6 Qdb1 73.Ka5 Qca2# 0–1. bluepiramid2 (1650) – ejdrzej (1610), kurnik, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.c4 c6 6.e3)

7.h3 Nbd7 8.Nbd2 Re8 9.c5 (9.Be2 e5=) 9...Nd5 10.cd6 (10.Qb3 dc5 11.bc5 e5 12.Ne5 Ne5 13.de5 Qa5=) 10...ed6+= 11.a3 N7b6 12.Be2 Bh6 13.e4 (13.0-0 Be3 14.fe3 Ne3+=) 13...Nf4 14.0-0 Na4 15.Qa4 Ne2 16.Kh2 Bd2 17.Nd2 Qg5 18.Qd1 Nf4 19.Qf3 Ng2 (19...Nh3 20.gh3 Qd2 21.Bc3–/+) 20.Nc4 (20.Bc1 Nh4 21.Qg3 Qh5+=) 20...Nh4–/+ 21.Qg3 Re4 22.Rae1 Qg3–+ 23.Kg3 Nf5 24.Kf3 Re1 25.Re1 Be6 26.Ne3 Re8 27.Bc3 Bd5 28.Nd5 Re1 29.Be1 cd5 30.Ke2? Nd4 31.Kd3 Nf5 32.b5 Kg7 33.Ba5 Kf6 34.Bc7 Ke6 35.a4 Kd7 36.Bb8 a6 37.ba6 ba6 38.f3 Kc6 39.Ba7 d4 40.a5 Kd5 (40...Kd5 41.Ke2 Kc4–+) 0–1. Koberl,F – Navarovszky,L, Hungary, 1965. (=1.c4 Nf6 2.Nf3 c6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.d4)

8.b5 cb5 9.cb5 b6 10.a4 Bb7 11.Be2 Nbd7 12.0-0 Re8 13.Rc1 Rc8 14.Qb3 Nf8 15.Rc8 Qc8 16.Rc1 Qb8 17.Bc4 e6 18.g3 Rc8 19.Be2 Qa8 20.Ng5 Rc1 21.Bc1 Qc8 22.Ba3 d5 23.Ndf3 Ne4 24.Ne4 de4 25.Ng5 Bd5 26.Qb1 Nd7 27.Ne4 Qb7 28.Nd6 Qa8 29.Qc2 Bf8 30.Qc8 Qc8 31.Nc8 Ba3 32.Bd1 Kf8 33.f3 Ke8 34.e4 Bb7 35.Na7 Kd8 36.Bb3 Kc7 37.d5 ed5 38.ed5 Nc5 39.Ba2 Kd6 40.Nc6 Bc6 41.dc6 f6 42.f4 h6 43.g4 g5 44.fg5 fg5 45.Bc4 Na4 0–1. barborski – sfbirkenfeld (1645), kurnik, 2012.

8.b5 cb5 9.cb5 Bd7 10.Be2 b6 11.0-0 Bg4 12.a4 Nbd7 13.h3 Bf3 14.Bf3 Rb8 15.Bc6 e6 16.Nc4 d5 17.Nd2 Ne4 18.Ne4 de4 19.Ba3 Re8 20.Qc2 f5 21.Rac1 Rc8 22.Qb3 Kf7 23.d5 Bf6 24.de6 Re6 25.Bd5 Rc1 26.Rc1 Qe8 27.Be6 Qe6 28.Qe6 Ke6 29.Rc6 Kd5 30.Rc7 Ke6 31.Kf1 Be5 32.Rc6 Kd5 33.Ke2 Bf6 34.Rd6 Kc4 35.Rd7 Kb3 36.Bf8 Ka4 37.Rd5 Kb3 38.Rd6 Be5 39.Rb6 a4 40.Ra6 Bc3 41.b6 a3 42.Ra3 1–0. rom49szachy – bolito, kurnik, 2012.

8.Be2 Qc7 9.0-0 e5 10.de5 de5 11.c5 b6 12.Nb3 bc5 13.Nc5 Nc5 14.bc5 Nd7 15.Qc2 Rb8 16.e4 Qa5 17.Rfc1 Ba6 18.Ba6 Qa6 19.Qd2 Rfd8 20.Qc2 Qb5 21.Ba3 Qa5 22.Qc3 Qc3 23.Rc3 f6 24.g3 Nf8 25.Rb3 Ne6 26.Rc1 Bf8 27.Kg2 Nd4 28.Nd4 ed4 29.Bb2 Rb3 30.ab3 Rb8 31.Bd4 Rb3 32.Bf6 Rb5 33.Bd4 a5 34.Be3 a4 35.Ra1 Ra5 0–1. barborski (1630) – doniar (1690), kurnik, 2012.

8.Be2 Re8 9.0-0 e5 10.de5 de5 11.c5 Qc7 12.Qc2 Nf8 13.Be5 Re5 14.Ne5 Qe5 15.Rad1 Bf5 16.Bd3 Be6 17.Nf3 Qc7 18.e4 Re8 19.Rfe1 Ng4 20.h3 Ne5 21.Be2 Nfd7 22.Ng5 Nf6 23.f4 Ned7 24.Ne6 Re6 25.e5 Nd5 26.Qb3 Nf4 27.Bc4 Re5 28.Bf7 Kf8 29.Rf1 Ne2 30.Kf2 Nf6 31.Be6 Nf4 32.Kg1 Ne6 0–1. barborski – dorazka, kurnik, 2012.

8.b5 cb5 9.cb5 Nbd7 10.0-0 Nb6 11.Nc3 Be6 12.Nd2 a4 13.Ba3 Nbd5 14.Nd5 Nd5 15.Rc1+= Kh8 16.Bc4 Qa5 17.Qc2 Rac8= 18.Qb2 f5 19.Rc2+= Rc7 20.Rfc1 Rfc8 21.Bd3 Rc2 22.Rc2 Rc2 23.Qc2 Bh6 24.Nf3 Bd7 25.e4 fe4=+ 26.Be4 Qb5 27.h4 Nf6–/+ 28.Bd3 Bf5 29.Bb5 Bc2 30.Bb2 Ne4 31.Ne1 Bd1 32.Bd3 d5 33.Nf3? Bf3–+ 34.gf3 Nd2 35.Kg2 Nc4 36.Bc3 Bf4 (37.h5 gh5 38.Bc4 dc4 39.d5 Kg8–+) 0–1. Diamond – Kahn, corr, 1972.

8.b5 cb5 9.cb5 Nbd7 10.0-0 Nb6 11.Nbd2 Be6+=.

8.b5 cb5 9.cb5 Nbd7 10.0-0 Nb6 11.Nfd2 Be6 12.e4 Ne8 13.Bd3 Qd7 14.a4 d5 15.e5 f6 16.ef6 Rf6 17.Nc3 Bg4 (18.Qc2 Rc8=). Trigance,Eric – Hirtreiter, corr SOK–90–64, 1990.

8.Nc3= Nbd7 9.0-0 Qb6 10.Qb3 Be6 (10...a5!? 11.b5 cb5 12.Nb5 Ne4=) 11.Ng5+/– Bf5 12.e4 Bh6 (12...Bg4 13.Bg4 Ng4 14.h3+=) 13.Nf7 (13.c5!? Qc7 14.Nf7 Rf7 15.ef5 gf5 16.cd6 ed6+–) 13...Rf7 14.c5 (14.ef5 Qd4 15.c5 Qh4+/–) 14...Qc7 (better is 14...Be6! 15.Qe6 Qb4 16.cd6 ed6+/–) 15.ef5+– d5 16.fg6 hg6 17.Qc2 Rg7 18.Qd3 (18.Rad1 e5+–) 18...Kf7 (18...e5!?+–) 19.Rae1 Rh8 (19...Kg8 20.Bf3+–) 20.h3 (20.g3 b6+–) 20...Rgh7 (20...Bf4+–) 21.Bd1 Bg5 22.Qe2 (22.Bc2 Rg7+–) 22...Kf8 23.Qf3 Qf4 24.Qf4 Bf4+/– 25.Bc2 Rg7 26.Re6+– g5 27.g3 Bc7 28.Kg2 Ng8 29.b5 Rh6 30.Rfe1 Nb8 31.bc6 bc6 32.Rh6 Nh6 33.Re6 Nf7 34.Ba4 Nd8 35.Rh6 Kf7 36.Bc2 Ne6 37.Nd1 Ba5 38.Ne3 Nf8 39.Ng4 Nfd7 40.Bf5 Nf6 41.Nf6 ef6 42.Rh8 Bc7 43.Rc8 Na6 44.Bd3 Nb4 45.Rc7 Kg8 46.Rg7 Kg7 47.Bb1 Kf7 48.Bc3 Na6 49.Ba5 Ke6 50.g4 Kd7 51.Bf5 Ke8 52.Bc8 Nb8 53.Bc7 Nd7 54.Bb7 Nf8 55.Bc6 Kf7 56.Bd5 Ke8 57.c6 f5 58.gf5 g4 59.hg4 a5 60.Bd6 a4 (60...Kd8 61.Bf8 Kc7 62.f6 a4 63.f7 Kb6 64.Bc5 Kb5 65.f8Q a3 66.c7 Ka4 67.Bc4 Ka5 68.Qa8#) 1–0. Djurkovic,M (2125) – Filip,Matej, 12th Open Ljubljana SLO, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 c6 4.c4 Bg7 5.e3 0-0 6.Bb2)

8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Qb3 Qb6 13.b5 cb5 14.Qb5 Qb5 15.cb5 Nb4 16.0-0 Ne4 (16...Rc8 17.Rd1+=) 17.Ne4= Be4 18.Nd2 Bf5 (18...Bd3 19.Bd3 Nd3 20.Rd1=) 19.f3 (19.e4 Bd7 20.Bc3 Na2=) 19...Bd7 20.e4 (better is 20.Kf2!?=) 20...Nc2–/+ 21.Bc3? (21.Nb3 Ra8 22.Bc3 Be6+=) 21...Na3 (better is 21...Rc8 22.Bb2 Nd4–+) 22.Ra1 Nb5 23.Bb5 Bb5 24.Rb1 Ba6 25.Nb3 Rc8 26.Ba1 Bd3 27.Rd1? Bc2 28.Rc1 Rc4 29.Na5? Rc7–+ 30.Kf2 Kf8?? 31.Nb7?? Rb7 32.Rc2= Ke8 33.Ke3 Kd7 34.Rb2 Rb2 35.Bb2= h5 36.h4 Kc6?? 37.d5+– Kc5 38.Bg7 f6 39.Bf8 1–0. ourang – karelpavlik, kurnik, 2012.

7.a3 d6 8.0-0 (8.h3 e5=) 8...Qb6 (8...Bg4 9.Nd4 Be2 10.Qe2=) 9.Nc3 ab4 10.Na4 Qc7 11.ab4 Nbd7 (11...Bg4 12.Ng5 h5 13.f4+=) 12.Qc2 e5 13.Nc3 Ra1 14.Ra1 Re8 15.d4 (15.h3 Nb8+=) 15...Nf8 16.Ra8 (16.h3 h6=) 16...Bd7 (16...Bf5 17.Qa4=) 17.Re8 Ne8 18.Qb3 ½–½. Pisk,Petr (2345) – Reznicek,Tomas (2325), MOR–chT2M, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

7.ba5 d5=.

7.b5 Qb6 8.0-0 d5 9.Nc3 dc4 10.Bc4 a4 (10...Bg4!?+=) 11.Na4+/- Qa5 12.Nc3 Ne4 13.a4 (13.Ne4 Bb2 14.Rb1 Ba3+/-) 13...Nc3 14.dc3 Bc3 15.Qb3 Bb2 16.Qb2 Nd7 17.Ng5 (17.Rfd1 Nb6 18.Ne5 Na4+=) 17…Nf6 1-0. DEFFM – GuestZHRF, freechess.org, 2021.

7.b5 Re8 8.0-0 d5 9.Na3 dc4 10.Bc4 cb5 11.Nb5 Nc6 12.h3 h6 13.Rc1 Ne4 14.Qb3 e6 15.Bg7 Kg7 16.d4 Nd6 17.Rfd1 a4 18.Qc3 Na5 19.d5 e5 20.Nd6 Qd6 21.Bb5 Re7 22.Ba4 b6 23.e4 Ba6 24.Bc6 Rc8 25.Qb2 Rb8 26.Bb5 Bb7 27.a3 f6 28.Rc3 Rc7 29.Rc7 Qc7 30.Rc1 Qd6 31.Qb4 Rd8 32.Qd6 Rd6 33.Rc7 Kg8 34.Nd2 g5 (34...Bd5 35.ed5 Rd5 36.Bc4 Nc4 37.Nc4+–) 35.g4 (better is 35.Nc4!? Nc4 36.Bc4 b5 37.Bb5 Ba6+–) 35...Bd5 36.ed5 Rd5 37.Bc4 Nc4 38.Nc4 b5 39.Ne3 Rd2 40.Rb7 1–0. Juroszek,Tadeusz (2375) – Grzelachowski,Piotr, Poland–chT2 Wysowa, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

9.Ba1 Na6 10.b5 cb5 11.cb5 Nc5 12.0-0 d6 13.Nc3 Bd7 14.d4 Nce4 15.Ne4 ½–½. Benkoe – Gligoric, Hastings 1974.

9.Ba1 Qb6 10.b5 d5 11.cd5 Nd5 12.Bg7 Kg7 13.Qb3 f6 14.0-0 Be6 15.Bc4 Bf7 16.Na3 Nd7 17.bc6 (17.d4 g5=) 17...Qb3 18.Bb3 bc6 19.e4 Nc5 20.ed5 Nb3 21.dc6 Rc8 22.Rd1 Rc6 23.Kf1 g5 24.h3 h5 25.Ng1 (25.d3 e5+=) 25...Bg6 26.d3 Rc3 27.g4 (better is 27.Ne2!? Rd3 28.Rd3 Bd3 29.Ke1–/+) 27...hg4 28.hg4 Bd3 29.Kg2 Nc1 30.Re1 e5 (30...Ra3?! 31.Rc1 Be4 32.f3–/+) 31.f3?? (31.Rd1 Ne2 (31...Ra3?! 32.Rc1 Be4 33.f3–/+) 32.Ne2 Be2 (32...Ra3?! 33.Ng3+=) 33.Rd7 Kg6–+) 31...Kf7 32.Kg3? Ke6 33.Nh3 Ne2 34.Kf2 Ra3 35.Re2 Be2 36.Ke2 Kd5 37.Kf2 Kd4 0–1. Kuehn,Carsten (1905) – Huber,Stefan (2145), Saarlouis op 4th, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

8.cb5 a4 9.0-0 d6 10.Na3 Nbd7 11.d3 Nc5 12.Qd2 Bd7 13.Rab1 Be6 14.Ba1 Qb6 15.Nd4 Bd7 16.Nc4 Qc7 17.b6 Qd8 18.Rfc1 Ng4 19.Bg4 Bg4 20.Nb5 Ba1 21.Ra1 Nd7 22.Nc7 Rc8 23.f3 Bf5 (23...Be6!? 24.Qb4 Nc5+/–) 24.e4+/– d5 25.ef5 (better is 25.Nd5!? Be6 26.Qa5 Bd5 27.Qd5+/–) 25...dc4= 26.Rc4 Nb6 27.Rh4 Nd7 28.Nd5 Re8 29.fg6 fg6 30.Qh6 (30.Ra4? Nc5 31.Rh4 Qd5–+) 30...Nf8 31.Qg5 Ne6 32.Qe5 Rc6 (32...Nc5 33.Rd4 Rc6 34.Rd1+=) 33.Re1 (33.Ra4!? Rf8 34.Rg4+/–) 33...Rf8+= 34.Ra4 Rf5 35.Ra8!? Qa8 36.Ne7 Kf7 37.Nf5 gf5 38.Qf5 Ke7 39.Qh7 Kd6 40.h4 (40.Qe4 Qa2 41.f4 Qd5+=) 40...Qa7 41.Kh2 Qf2 (41...Qa2 42.Qb7 Qd5 43.Qf7+=) 42.Re4 Rc2 (better is 42...Qa2!? 43.f4 Rc2+/–) 43.Qg6+– Kc7 44.h5 Nc5 45.Re7 (45.Re7 Kb8 46.Qg3 Qg3 47.Kg3 Nd3 48.h6+–) 1–0. Hecht,Hans_Joachim – Piuva,Matti, I EHM corr/Ks81, 1977. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5 7.b5 cb5)

8.cb5 a4 9.0-0 d6 10.Na3 Nbd7 11.d3 Nc5 12.Qd2 Bd7 13.Rab1 Be6 14.Rfc1 Qb6 15.Bd4 h6 16.h3 Rfc8 17.Qb2 Qd8 18.Nd2 b6 19.Ndc4 Rab8 20.Qd2 Bd5 21.Nc2 e5 22.Ba1 Ba8 23.d4 Nce4 24.Qe1 ed4 25.Nd4 Ng5 26.Kh2 Be4 27.Rb4 Ba8 28.Rbb1 Be4 29.Rb4 Ba8 30.Nd2 Qe7 31.Qd1 Nge4 32.Ne4 Ne4 33.Kg1 Qh4 34.Rc8 Rc8 35.f3 Qf2 36.Kh2 Be5 37.f4 Qg3 38.Kg1 Nf2 0–1. Spiridonov – Pinter, Budapest 1976.

8.cb5 d5 9.0-0 Bg4 10.h3 Bf3 11.Bf3 Nbd7 12.Nc3 Nb6 13.d3 e5 14.Na4 Nfd7 15.Rc1 Re8 16.Ba3 Na4 17.Qa4 Nb6 18.Qb3 a4 19.Qc2 Bf8 20.Bf8 Kf8 21.Qc5 Re7 22.a3 Kg8 23.Qb4 Rc7 24.Rc3 Rc3 25.Qc3 Qd6 26.Rc1 Rc8 27.Qb2 Rc1 28.Qc1 Kg7 29.Qc3 d4 30.ed4 ed4 31.Qa5 Qa3 32.Qb6 Qc1 33.Kh2 Qf4 34.Kg1 Qc1 35.Kh2 Qf4 ½–½. Wirthensohn,Heinz (2385) – Carvalho,Herbert Abreu (2265), Buenos Aires ol (Men), 1978. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5 7.b5 cb5)

8.cb5 d5 9.h3 a4 10.–0 Nbd7 11.Na3 Re8 12.Rc1 e5 13.Qc2 Bf8 14.Nb1 a3 15.Ba1 Bd6 16.d3 Nb6 17.Rfd1 Bd7 18.d4 Bf5 19.Qb3 e4 20.Ne5 Nfd7 21.Nc3 Qg5 22.Bg4 (22.Nd5 Be6 23.f4–/+) 22...Ne5–/+ 23.de5 Bg4 24.hg4 Re5 25.Ne2 Qg4 (better is 25...Re6–/+) 26.Be5= Be5 27.Kf1 (better is 27.Nc3!? Qh4 28.Nd5 Qh2 29.Kf1=) 27...Qh4 28.g3 Qh1 29.Ng1 Bd6 (better is 29...Qh5–/+) 30.Qc3+= Qh5 (30...Be7!?+=) 31.Qd4+/– Na4 32.Qd5 Qd5 33.Rd5 Bf8 34.Ne2 b6 35.g4 Nc5 36.Rc4 Kg7 37.Nc3 Re8 38.Ke2 Re6 39.Na4 Nd3 40.Rc6 Re8 41.Rc7 Nb4 42.Rd2 Re5 43.Nc3+– Be7 44.Rdd7 Kf8 45.g5! Ke8 46.Ra7 Nd3 47.Ne4! Nc1 48.Kf3 Na2 49.Rdc7 Rf5 50.Ke2 Bd8 51.Nd6 Kf8 52.Ra8 (52.Ra8 Nc3 53.Kf1+–) 1–0. Mulet,Piotr – Iwanow,Anna, DMP – I Liga Seniorow Poland (year?). (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 a5 7.b5 cb5)

8.cb5 d5 9.h3 Nbd7 10.0-0 Nb6 11.d3 Bd7 12.a4 Ne8 13.Bg7 Ng7 14.Nbd2 Qc7 15.d4 Rfc8 16.Nb3 Ne6 17.Ne5 f6 18.Rc1 Qd6 19.Nd7 Rc1 20.Nf6 ef6 21.Nc1 Qb4 22.Bf3 Ng5 23.Nd3 Nf3 24.Qf3 Qa4 25.Qf6 Qb5 26.Ne5 Rf8 27.Qe6 Kg7 28.Qe7 Kg8 29.Qb7 a4 30.Rc1 Qb2 31.Rc7 Qf2 32.Kh2 Qf6 33.Ng4 Qd6 34.Kg1 1–0. Novkovic,Milan (2395) – Wittmann,Walter (2355), AUT–chT 2001–2002 (6), 2002.

9.0-0+= Bb7 10.Na3 d6 11.Rc1 Nbd7 12.Nc4 Ne8 13.Bg7 Kg7 14.d4 Nc7 15.Qb3 Kg8 16.Nfd2 Bd5 17.e4 Bc4 18.Bc4 e5 19.Nf3 ed4 20.Nd4 Nc5 21.Qc2 Re8 22.Nc6 Qg5 23.f4 Qg4 24.Rce1 Qd7 25.f5 Kg7 26.fg6 hg6 27.Rf7 Qf7 28.Bf7 Kf7 29.Qc4 N7e6 30.Rf1 Kg7 31.Qc3 Kg8 32.Qf6 Nf8 33.Qf7 Kh8 34.Rf3 1–0. Kreuzer – Schmitt, 1983.

9.0-0+= Bb7 10.Nc3 Nd5+=.

9.0-0+= Bb7 10.Ne1 d6= 11.f4 (11.Nc3 Nbd7=) 11...Nbd7 (11...a4 12.Na3=) 12.Nd3 (12.Nc3 Rc8=) 12...e5 (12...Rc8 13.Nc3=) 13.fe5 de5 14.Nc3 (14.Be5? Ne5 15.Ne5 Nd5–+) 14...e4 15.Nf2 Nc5 (15...Qe7 16.Rc1=) 16.d4 (16.Rc1!?=) 16...ed3=+ 17.Nd3 Nd3 (17...Qe7 18.Nc5 Qe3 19.Kh1 Qc5 20.Rc1–/+) 18.Qd3 (18.Bd3 Ng4!? 19.Qd2 Ne3–/+) 18...Qd3=+ 19.Bd3 Rad8 20.Rad1 Ng4 21.Rfe1 Rfe8 22.Bc4? (better is 22.Bf1!?–/+) 22...Rc8–+ 23.Rd7 (23.Bb3 Bc3 24.Bc3 Rc3 25.Rd7 Rce3 26.Bf7 Kh8 27.Rf1–+) 23...Rc4 24.Rb7 Bc3 (25.Bc3 Rc3 26.Rb6 Ree3–+ (< 26...Rce3 27.Rf1–+; 26...Ne3?! 27.Rc6 Ra3 28.Rc2–+); 24...Rc3?! 25.Bc3 Bc3 26.Rf1–+) 0–1. Neuwald,Volker – Heise,Stefan, Baden–ch HT2, 2003.

9.0-0+= d5 10.Nc3+=.

9.a4 d6 10.0-0 Nbd7 11.d4 Nd5 12.Nbd2 Bb7 13.Rc1 Rc8 14.Qb3 Nb4 (14...N7f6 15.Bc4+=) 15.Rc8 Qc8 16.Rc1 Qd8 17.Ba3 Nd5 18.Ng5 e5 (18...N7f6!?+=) 19.Bc4 Qg5 20.Bd5 Bd5 21.Qd5 ed4?? (better is 21...Re8+–) 22.Qg5 1–0. DEFFM – latan, freechess.org, 2018.

9.0-0 e5 10.d4 e4 11.Nfd2 d5 12.Nc3 Re8 13.Qb3 Be6 14.Rac1 Nbd7 15.Na4 Nb6 16.Nc5 Bc8 17.Ba3 Nfd7 18.Kh1 Nf6 19.Rc3 a4 20.Qc2+/– Nbd7 21.Na4 Qa5 22.Nb2 Nf8 23.Bc5 Qa2 24.Nb3 Be6 25.Ra1 Qa1 26.Na1 Ra1 27.Nd1 Rea8 28.Qd2 N8d7 29.Bb4 Nb6+= 30.Rc1 Nc4 31.Qc3 Rc1 32.Qc1 Nd7 33.Nc3 Ndb6 34.Bc5 Bf6 35.f3 ef3 36.gf3 Bg5 37.f4 Bh4 38.f5 Bf5 39.Bf3 Bg5 40.Bb6 Be3+= 41.Qe1 Bd2 42.Qe7 Nb6 43.Bd5 Nd5 44.Nd5 h5 45.Nf6 Kg7 46.Ne8 Kg8 47.Qe5 Ra1 48.Kg2 Bh6 49.Nf6+– Kf8 50.Qc5 Kg7 51.Nh5 Kg8 52.Qd5 Ra3 53.Qd8 Kh7 54.Nf6 Kg7 55.Ne8 Kh7 56.Qe7 Rc3 57.Nf6 Kg7 58.Nd5 Rc2 59.Kf3 Be6 60.Qb7 Rb2 61.Qc6 Rb3 62.Ke4 Rb2 63.Nc7 Bf5 64.Kd5 Rc2 65.Qd6 Bc1 66.h4 Bc8 67.Qe5 Kh7 68.Qg3 Rg2 69.Qb3 Rf2 70.Kd6 Bb7 71.d5 Bh6 72.Kd7 Rf5 73.d6 Kg8 74.Ne8 Bf4 75.b6 Rc5 76.Kd8 Be5 77.Ke7 Bd6 78.Kd6 (78.Kd6 Rd5 79.Kc7+–) 1–0. pcmvr (2765) – petrus (2655), net–chess.com, 2006.

9.a4 Nbd7 10.0-0 Nb6 11.Na3 Nfd5 (11...Bg4 12.Rc1=) 12.Bg7+= Kg7 13.Nc4 Nc4 14.Bc4 Nb6 15.Bb3 e5 16.d4 Qe7 17.Rc1 Bg4 18.h3 Bf3 19.Qf3 Rfc8 20.Qe4 f6 21.de5 de5 22.f4 Rc1 23.Rc1 Rc8 24.Rc8 Nc8 25.fe5 fe5 26.Qc4 Nd6 27.Qc5 (27.Qc3 Ne4 28.Qa5 Qh4 29.Qc7 Kh6 30.Qe5 Qf2 31.Kh2 Nd2=) 27...Nf5+= 28.Qe7 Ne7 29.Kf2 Kf6 30.Kf3 h5 31.Ke4 h4 32.Ba2 Nf5 33.Bb3 Ne7 ½–½. Urosevic,A (2240) – Stojanovic,Da (2480), 9th TCh–BIH Premier, Bihac BIH, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Be2 c6 6.c4 a5)

9.Nc3 Nbd7 10.Na4 (10.0-0 Ne5+=) 10...Nb6 11.Nb6 Qb6 12.Qa4 (12.0-0 e5=) 12...Bd7 (12...Bf5 13.0-0=) 13.Bd4 (13.0-0 e5+=) 13...Qc7= 14.0-0 Rfc8 15.h3 (15.Bc3 Bf5=) 15...Qd8 (15...e5 16.Bc3=) 16.Bb2 e5 ½–½. Petrosian,Tigran – Gligoric,Svetozar, Wijk, 1971.

9.d4 Bf5 10.0-0 Nbd7 11.Nc3 Nb6 12.Nd2 d5 13.Na4 Nfd7 (13...Rc8 14.Rc1=) 14.Rc1+= Na4 15.Qa4 Nb6 16.Qa3 Re8 17.Bc3 Bf8 18.Qb3 (worse is 18.Ba5 e5 19.Bb6 Ba3 20.Bd8 Bc1 21.Rc1 Ra2–/+ (21...Rad8?! 22.g4=)) 18...Qd6 19.a4 Rec8 20.Qa2 (20.g4 Bd7=) 20...Rc7 (20...e6 21.g4 Qa3 22.Qa3 Ba3 23.gf5 Na4 24.Nb1 Bc1 25.Rc1 Nc3 26.Rc3 gf5 27.Bd1–/+) 21.Qa1 (21.Nb3 Rac8 22.Nc5 Nd7=) 21...h5 22.Nb3 Nc4 23.Rfd1 (23.Rfe1 b6=) 23...b6 24.Nd2 Nd2 25.Bd2 Rac8 (25...Bc2 26.Re1=) 26.Rc7 Rc7 27.Rc1 ½–½. Spiridonov,Nikola – Schmidt,Wlodzimierz, Polanica Zdroj, 1971. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

10.Na3 Nb6 11.d4 Be6 12.Bd3 d5 13.Rc1 Qd6 14.Nb1 Rfc8 15.Ba3 Rc1 16.Qc1 Qd8 17.Nbd2 Rc8 18.Qb2 Nc4 19.Bc4 dc4 20.Rc1 Nd7 21.Ng5 Bd5 22.e4 e5 23.ed5 Qg5 24.Ne4 Qh5 25.Nd6 Ra8 26.Qc2 (worse is 26.Nb7 ed4 27.Nd6 c3–+) 26...ed4 27.Qc4 Be5 28.h3 Nb6 29.Qc7 Bd6 30.Qd6 d3 31.Qb6 d2 32.Qb7 dc1Q 33.Bc1 Rd8 34.Qc7 Qd5 (34...Rd5? 35.Qc8 Kg7 36.Bb2 f6 37.Qc7 Kg8 38.b6+–) 35.Bf4 g5 36.Bg3 Rd7 37.Qc8 Rd8 38.Qc7 ½–½. Wolf,Wolfgang (2175) – Von Rein,Guenter (2250), GER–ch36 V2 email, 2004.

10.Na3 Nc5 11.Rc1 Be6 12.Bf6 Bf6+=.

10.Na3 Nc5 11.Nc4 a4 12.Rb1 (12.Rc1 Bf5+=) 12...Bf5= 13.d3 d5 14.Na3 Ne8 (14...Qb6 15.Rc1=) 15.Bg7 Ng7 16.Qd2 (16.Rc1 Qd6+=) 16...Qd6 (16...Rc8 17.Rbc1=) 17.Qb4 Rfd8 (17...Rac8 18.Rfd1=) 18.Rfd1 (18.d4 Nce6 (18...Bb1? 19.dc5 Qf6 20.Nb1+–) 19.Qd6 Rd6+= (worse is 19...ed6 20.Rbc1+/–)) 18...Rac8 (18...Rdc8 19.e4 Bd7 20.e5+=) 19.h3 (19.e4 Bg4+=) 19...h6 (19...Qf6!?=) 20.e4+= Be6 21.e5+/– Qb6 22.d4 Ne4 23.Rbc1 Kf8 24.Nb1 Ra8 25.a3+= Bd7 26.Nc3 Nc3+= 27.Qc3 Ne6 28.Qe3 Kg7 29.Nh4 Bb5= 30.Rb1 Ra5 31.f4 Qa6 32.Bg4 Nf8 33.f5 g5 34.Nf3+= Be2 35.f6 ef6 36.ef6 Kg8 37.Qe7 Bf3 38.gf3 Rb8 39.Bh5 Qe6 40.Re1 Qe7 41.fe7 Ne6 42.Re6! (42.Re6 fe6 43.Rb7+–) 1–0. Espig,Lutz – Vogt,Lothar, DDR, 1974.

10.Na3 Nc5 11.Nc4 Bd7 12.a4 Nd5 13.Bg7 Kg7 14.Ne1 Nf6 15.Ra3 Bf5 16.d4 Ncd7 17.f3 d5 18.Ne5 Qb6 19.Qa1 (19.g4 Be6+=) 19...Rfc8 20.g4 Be6 21.h3 (21.Nd7 Bd7 22.Nd3 Rc2=) 21...Ne8 22.Nd7 Bd7 23.Nd3 Qd6 24.f4 Rc2 25.Ra2 ½–½. Qvist Viggo,Bove – Piuva,Matti, FIN–DNK/3 corr/Ks85, 1985. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5 7.b5 cb5 8.cb5 d6 9.0-0 Nbd7)

10.Na3 Nc5 11.Nc4 Bf5 12.d4 Nce4 13.Rc1=.

10.Na3 e5 11.d4+=.

10.a4 Nb6= 11.d3 e5 12.Nbd2 h6 13.Qb1 Re8 14.Rd1 Be6 15.e4 Nh5 16.d4 ed4 17.Bd4 Nf4 18.Bf1 Bd4 19.Nd4 Qg5 20.Kh1 (20.Ne6?? Nh3 (worse is 20...Re6 21.g3+=; 20...Ne6?! 21.Nc4 Nc4 22.Bc4+=) 21.Kh1 Nf2 22.Kg1 Qe3–+) 20...Qf6 21.Ne6 ½–½. Vogt,Lothar (2430) – Uhlmann,Wolfgang (2550), Halle DSV, 1974.

10.Nc3 Nb6 11.Na4 Nfd5 12.Bg7 Kg7 13.Rc1 Bd7 14.Qb3 Na4 15.Qa4 (15.Qd5 Nc5+/–) 15...Qb6+= 16.Qb3 Nf6 17.a4 Rac8 18.Qb2 Kg8 ½–½. Benko,Pal C – Webb,Simon, Lloyds Bank op, 1973.

10.Nc3 Nb6 11.Na4 e5 12.d4 e4 13.Nd2 Be6 14.Nb6 Qb6 15.Qa4 Rfc8 16.Rfc1 Qd8 ½–½. Matlak,Marek (2420) – Schmidt,Wlodzimierz (2460), Rubinstein Memorial, 1989.

10.Nc3 Nb6 11.Na4 e5 12.d4 e4 13.Nd2 Be6 14.Nb6 Qb6 15.Qa4 Rfc8 16.Rfc1 Qd8 17.Rc8 Rc8 18.Rc1 (18.Nc4 Bc4 19.Bc4 d5=) 18...Rc1 19.Bc1 Qc7 20.Bb2 b6 21.Bd1 (21.a3 d5=) 21...d5 22.Qc2 Qd6 23.Nb1 Qb4 24.Nc3 Bf8 25.Qb3 Qd6 26.Na4 Ng4 27.g3 h5 28.a3 Bd7 29.Be2 Bh6 30.Nb6 Qb6 31.Qd5 Qf6 32.Bg4= Bg4 33.Qe4 Qf3 34.Qf3 Bf3 35.Kf1 f5 36.Ke1 Kf7 37.a4 Bg5 38.h3 Ke6 39.g4?? fg4–+ 40.hg4 h4 41.Kf1 Bd8 42.e4 Be4 43.f4 Bc7 44.Bc1 Kd5 45.Kg1 g5 46.b6 Bb6 47.fg5 Bc7 48.g6 Ke6 (48...Ke6 49.d5 Bd5–+) 0–1. Bulcourf,Carlos (2220) – Donoso Velasco,Pedro H (2405), Clarin–B Buenos Aires, 1978.

10.Nc3 Nb6 11.Rc1 Bg4+=.

10.d3 Nb6 11.Nbd2 a4 12.a3 Bd7 13.Rb1 e5 14.Nc4 Bb5 15.Be5 de5 16.Rb5 Nc4 17.dc4 Qe7 18.c5 Rfc8 19.Qb1 Rc5 20.Rb7 Rc7 21.Rc7 Qc7 22.Rc1 Qe7 23.Bc4 Ne8 24.Rd1 Rc8 25.Nd2 Bf8 26.Qc2 Ra8 27.Bd5 Rd8 28.Nc4 Nc7 29.Bc6 Rd1 30.Qd1 Ne6 31.Qa4 Nc5 32.Qc2 Qc7 33.Bd5 Nd7 34.e4 Nb6 35.a4 Nc4 36.Bc4 Bc5 37.g3 Kg7 38.Kg2 Qa5 39.Bb3 Qb4 40.Qd3 Qd4 41.Qf3 f6 42.Qe2 Bb6 43.Qc2 Qc5 44.Bc4 Qd4 45.Bd5 Kh6 46.Qa2 Qc3 47.Be6 Qb4 48.Qc2 Qd4 49.Bd5 Kg7 50.Qa2 Qb4 51.h3 Qe1 52.h4 h5 53.Qb2 Bd4 54.Qc2 Qc3 55.Qa2 Qa5 56.Qa3 Qa7 57.Qc1 Bc5 58.Qc2 Qb6 59.Bb3 Qb4 60.Ba2 Qd4 61.a5 g5 62.a6 gh4 63.gh4 f5 64.Bd5 fe4 65.Be4 Kf6 66.Bf3 Ke7 67.Qh7 Kd8+/– 68.Qg8 Kc7 69.Qf7 Kb6 70.Qf6 Bd6 71.Bh5 Ka6 72.Bf3 Ka5 73.h5 Bc5 74.Be2 e4 75.Qd4 Bd4 76.Bg4 Kb6 77.Kf1 ½–½. Danielsen,Henrik (2405) – Uhlmann,Wolfgang (2500, Valby K41, 1991.

10.d4 Nb6 11.Nc3 Be6 12.Rc1 Qd7 13.Nd2 Nfd5 14.Nd5 Bd5 15.a4 Rfc8 16.Bd3 Rc1 17.Bc1 f5 18.Bb2 Rc8 19.Re1 Bh6 20.Nb1 Nc4 21.Bc3 b6 22.Ba1 Bf7 23.d5 Ne5 24.Bc2 Qc7 25.Bb3 Qc5 26.Qd2 Qb4 27.Qb4 ab4 28.Be5 de5 29.Kf1 e4 30.Ke2 Bg7 31.f3 ef3 32.gf3 Be5 33.f4 Bd6 34.Kd2 Bc5 35.Kd3 Rd8 36.e4 g5 37.fg5 fe4 38.Ke4 Kg7 39.Nd2 e6 40.Kf3 ed5 41.Kg2 Rc8 42.Nf3 Bg6 43.Re5 Be4 44.Bd5= Bd5 45.Rd5 b3 46.Rd1 b2 47.Rb1 Ba3 48.Kf2 Rc1 49.Nd2 Kg6 50.Ke3 Kg5 51.Kd3 h5 52.a5 ba5 53.b6 Rb1 54.Nb1 Bd6 0–1. Skerlik,Stanislav (2300) – Baklanov,Valentin Petrovich (2350), ICCF EM/MN/064 ICCF Email, 2003.

8.0-0 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Nc3 Bb5 12.Nb5 Qb6 13.Rb1 Nc6 14.d3 a4 15.Nd6 Qc7 16.Nb7 a3 17.Bf6 Bf6 18.Nc5 Bb2 19.d4 Nb4 20.Ne5 Na2= 21.Qb3 Nc3 22.Rb2 ab2 23.Qc3 Rfb8 24.Rb1 Ra1–+ 25.Qc2?? Qa5 26.Nf3 Rb1 27.Qb1 Qc3 28.Nd3 Qd3! 29.Qd3 b1Q 30.Qf1 Qf1 31.Kf1–/+ f6 32.e4 Kf7 33.Ke2 h6 34.h4 Rb2 35.Ke3 Rb3 36.Kf4 g5 37.Kg4 Kg6 38.h5 Kf7 39.d5 Rb4 40.Kf5 Rb5 41.Nd4 Rb2 42.g3 Rf2 43.Kg4 Rd2 44.Nf5 Re2 45.Nh6 Ke8 46.Kf3 Rh2= 47.Nf5 Kf8 48.g4 Kf7 49.Ke3 Rg2 50.Kd4 Rg4?? 51.Nh6+– (51...Kf8 52.Ng4+–) 1–0. b4_player (2215) – turborago (2020), GameColony.com, 2003.

8.Na3 cb5 9.Nb5 Nc6 10.0-0 a4 11.Rc1 dc4 12.Bc4 Bd7 13.Ba3 Qb8 14.d4 Rc8 15.Qe2 Na5 16.Bd3 Nd5 17.Ng5 Rc1 18.Rc1 Qe8 19.Rc5 Bc6 20.Rd5! Bd5 21.Nc7 Qd8 22.Na8 e6 23.Qc2 Nc6 24.e4 Nd4 25.Qc7 Qc7+= 26.Nc7 Ba2 27.Nb5 Bb1 28.Bc4 Nc2 29.Bc1 Nb4 30.Na3 Ba2 31.Bb5 Bb3 32.Nf3 Na2 33.Be3 Bf8 34.Nb1 Bc2 35.Nfd2 a3 36.Bc4 Nc1 37.Nc3 b5 38.Nb5 a2 39.Bd4 Bb4+= 40.Nf1 Bd3 41.Bd3+= Nd3 42.Ne3 e5 43.Ba1 Bc5 44.Kf1 f6 45.Nc2 Nf2 46.Nc3 h5 47.Ke2 g5 48.h3 g4 49.hg4 hg4 50.Ne3 g3 51.Nf5 Kf7 52.Kf3 Bd4 53.Nd4 ed4 54.Na2 d3 55.Bc3 Ke6 56.Ke3 f5 57.ef5 Kf5 58.Nb4 Ne4 59.Be1 Nd6 60.Nd3 Kg4 61.Ne5 (61.Ne5 Kg5 62.Bg3 Nf5 63.Kf3+–) 1–0. Espig,Lutz (2450) – Pavlov,Mircea (2410), Tirnavia–A Trnava, 1979. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

8.Na3 Bg4 9.h3 Bf3 10.Bf3 Nbd7 11.0-0 e6 12.Rc1 Qe7 13.Qc2 Rfc8 14.bc6 bc6 15.cd5 ed5 16.Nb1 Rab8 17.Ba3 Qe6 18.d4 Ne4 19.Be4 de4 20.Nd2 f5 21.Rb1 h5 22.Rb8 Rb8 23.Rc1 Kh7 24.Qc6 Qa2 25.Qd7 Qa3 26.Rc7 Qf8 27.Nc4 f4 28.Ne5 fe3 29.fe3 Qf6 30.Kh2 Rb1 31.Rc6 Qf2?? 32.Rg6+– Qg1 33.Kg3 Qe1 34.Kf4 Qf2 35.Kg5 Qe3 36.Kh5 (36.Kh5 Qe2 37.g4 Qg4 38.Rg4 Rb7 39.Rg7 Kh8 40.Ng6#) 1–0. Kempinski,R (2595) – Azarov,S (2600), TCh–CZE, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

8.a4 dc4 9.Na3 cb5 10.Nb5 Be6 11.Rc1 Na6 12.Bc4 Bc4 13.Rc4 Qd5 14.Qe2 Rac8 15.Rc8 Rc8 16.0-0 Qb3 17.Bc3 Nc5 18.Qd1 Qd1 19.Rd1 Nd5 20.Bg7 Kg7 21.Nbd4? (21.Rc1!? Nb6 22.Na7=) 21...b6 (21...Na4 22.Ra1 b6 23.Kf1–+) 22.Kf1? (22.Rc1 Re8+=) 22...Kf6 (22...Na4 23.Ra1 Nc5 24.Ke2–+) 23.g4? (23.Rc1 Ra8+=) 23...h6 (23...Na4 24.g5 Kg7 25.Ra1–+) 24.h4 (24.Rc1 Ra8+=) 24...Nd3 (better is 24...Na4!? 25.e4 Nb4–+) 25.Rb1 N5b4 26.Ne1 (26.Nb5 Kg7+=) 26...Ne1 27.Ke1 e5 28.Nb5 h5 29.g5 Ke6 30.Ke2 Rc4 31.d4 Rc2 32.Kf3 Ra2 33.Nc3 Ra3 34.d5 Nd5 35.Nd5 Kd5 36.Rb6 Ra4 37.Rf6 Rh4 38.Rf7 Rg4 39.Ra7 Rg5 40.Ra5 Ke6 41.Ra6 Kf7 42.Ke4 Rf5 43.f4 ef4 44.ef4 Rb5 45.Ra7 Kf6 46.Ra6 Kg7 47.Ra7 Kh6 48.Ra6 h4 49.Ra8 Kh5 50.Rh8?? Kg4–+ 51.Rg8 Rb6 52.f5 g5 53.Rf8 h3 54.f6 Rb4 55.Ke5 Rf4 56.Ke6 h2 57.Rh8 Kg3 0–1. Brauer,C (2110) – Prigodinas,R (1720), Open, Liberec CZE, 2009.

8.a4 Nbd7 9.0-0 Nb6 10.cd5 cd5 (10...Nbd5 11.Na3=) 11.d3 Bg4 12.h3 Be6 (12...Bf3 13.Bf3 Nfd7 14.d4=) 13.Nbd2+= Nh5 (13...Ne8!? 14.Bg7 Kg7+=) 14.Nd4+– Nf6 15.Ne6 fe6 16.Qb3 1–0. Pierre – Moser, internet, 2020.

8.a4 Nbd7 9.0-0 Nc5 10.d4+= Nce4 11.Nbd2 (11.c5 Bg4+=) 11...Bg4 12.cd5 (12.h3 Nd2 13.Qd2 Bf5+=) 12...cd5= 13.Ne5 Be2 14.Qe2 Nd2 15.Qd2 Ne4 16.Qd3 f6 17.Nf3 (17.Nc4 e6=) 17...Qd7 (17...Rc8 18.Rac1=) 18.Rac1 Rfc8 (18...Rac8 19.Nd2 f5 20.Ne4 fe4 21.Qd2=) 19.Ba3 b6 20.h3 (20.Nd2 f5=) 20...e6 (20...e5 21.Bb2 Qe6 22.de5 fe5 23.Rc6 Rc6 24.bc6=+) 21.Rfd1 (21.Nd2 Nd2 22.Qd2 Ra7=) 21...Rc1 22.Rc1 Rc8 23.Rc2 Rc7 24.Nd2 Rc2 25.Qc2 Nd2 26.Qd2 Qc7 27.Qc1 Qc1 28.Bc1 Bf8 (28...Kf8 29.Kf1=) 29.Kf1 ½–½. Kreuzer,Uwe – Vierling,Joachim, Verbandsliga Nord Baden, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5 7.b5 d5)

8.a4 Bf5 9.0-0 Nbd7 (9...dc4 10.Bc4 cb5 11.Bb5=) 10.Nd4 (10.bc6 bc6 11.Nd4 Qb8 12.Nf5 gf5+=) 10...Bb1= 11.bc6 bc6 (better 11...Be4!? 12.d3 Bg2 13.Kg2 bc6 14.Nc6 Qe8+=) 12.Nc6+– (12.Qb1?! Qb6=; worse 12.Rb1 Qc7+=) 12...Qe8 (12...Qc7!? 13.Ne7 Kh8 14.Rb1 dc4+–) 13.Rb1+– Nc5 (13...Nb6 14.cd5 Nfd5 15.Bg7 Kg7 16.Bb5+–) 14.Bf6 Bf6 15.cd5 e6 (15...Qd7 16.d4 Ne4 17.Qc2+–) 16.Qc2 Nd7 17.d6 Rc8 (17...Nb8 18.Bb5 Nc6 19.Bc6+– (19.Qc6?! Qc6 20.Bc6 Ra6+–)) 18.Ba6 1–0. GuestQWRT – GuestCVTR, freechess.org, 2019.

8.a4 Bg4 9.Na3 Nbd7 10.d4 Ne4 11.h3 (11.0-0 Qc7+=) 11...Be6 (11...Bf5 12.0-0+=) 12.Nd2 (12.0-0 Rc8+=) 12...f5 (12...Ndc5 13.Ne4 Ne4+= (worse is 13...de4 14.Rb1 Nd3 15.Bd3 ed3 16.Qd3+=)) 13.Ne4= de4 14.0-0 g5 (14...c5!?=) 15.Qc2+= Nf6 16.bc6 bc6 17.f4 (17.Rab1 f4=) 17...h6 (17...gf4 18.ef4 Rb8 19.Rad1+=) 18.Kh1 (18.Bc3 Qc7+=) 18...Qe8= 19.d5 cd5 20.Nb5 Rc8 (20...Rb8 21.fg5 hg5 22.Be5+=) 21.Nd4 (better is 21.fg5!? hg5 22.Nd4+=) 21...Bd7+= 22.fg5 Nh5 23.Bh5 Qh5 24.gh6 (24.Qd2 Rc4 25.Qa5 e6 26.gh6 Bh6+=) 24...Qh6–/+ 25.c5? (better is 25.Nb5!? Rc4 26.Bg7 Qg7 27.Qd2–/+) 25...e5–+ 26.Nb5 Qe3 27.Rae1 Qg3 (27...Qc5 28.Qc5 Rc5 29.Ba3–+) 28.Qd2? (better is 28.Na7 Rc7 29.Nb5–+) 28...d4 (28...Rc5?! 29.Ba3 Bb5 30.Bc5 Bf1 31.Rf1–/+) 29.Qa5 (29.Rd1 Rc6–+ (29...Rc5?! 30.Ba3 Rc6 31.Bf8–+)) 29...Rc5 30.Qa7 (30.Rc1 Rc1 31.Rc1–+) 30…Rc2 (30...Rc2 31.Rg1 Bc6–+) 0–1. Storchak,Vitalij (2090) – Kuznesov,Andrei (2275), Novokuznetsk RUS, Open, 2012.

8.Nc3 Ne4 9.Qc2 Bg4 10.h3 Bf3 11.Bf3 (worse is 11.gf3 Nc3 12.dc3 cb5 13.cb5 a4+=) 11...Nc3 12.Bc3 d4 13.ed4 Bd4 14.0-0 cb5 15.cb5 (15.Bb7?! Ra7 16.Be4 bc4+=) 15...Bc3 16.Qc3 Ra7 17.Rac1 b6 18.Rfe1 Rd7 19.d4 e6 20.d5 ed5 21.Qd4 Rd6 22.Rcd1 Qc7 23.Re5 Nd7 24.Rd5 Rd5 25.Bd5 Qe5 26.Qe5 Ne5 27.Bb3 g5 28.g3 Kg7 29.Rd6 Rb8 30.Kg2 Rb7 31.f4 gf4 32.gf4 Nd7 33.Kf3 Nc5 34.Bc4 Kf8 35.h4 Nd7 36.Bd5 Rc7 37.Rc6 Ra7 38.Be4 Kg7 39.Bf5 Rb7 40.Rd6 Nf6 41.Ke3 Re7 42.Kd4 Re2 43.Rb6 Ra2 44.Ra6 a4? 45.b6+– Ne8? 46.b7 Rb2 47.Be4 Nc7 48.Ra4 Nb5 49.Ke5 Nc3 50.Ra8 f6 51.Kd4 Ne4 52.b8Q Rb8 53.Rb8 Nd6 54.Kd5 Nf5 55.Ke6 Nd4 56.Kd5 Nf3?? 57.Ke4 Nh4 58.f5 Kh6 59.Rg8 Kh5 60.Kf4 Kh6 61.Rg1 Kh5 62.Rh1 h6 63.Rg1 (63.Rg1 Nf5 64.Kf5 Kh4 65.Kf4 Kh3 66.Rh1 Kg2 67.Rh6 Kf2 68.Rf6 Ke2 69.Rd6 Kf2 70.Re6 Kg2 71.Re2 Kf1 72.Kf3 Kg1 73.Re1 Kh2 74.Rd1 Kh3 75.Rh1) 1–0. Grundherr,Martin (2265) – Riefner,Edwin (2170), Oberliga Bayern, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5 7.b5 d5)

8.cd5 cb5 9.Bb5 Qd5 10.Nc3 Qd8 11.d4 Bd7 12.Bd3 a4 13.Ba3 Qa5 14.Qd2 Rc8 15.Rc1 b5 (15...Nc6 16.Ne4=) 16.Ne2 (16.Be7 Nd5 17.Bd8 Qb4+=) 16...Rc1= 17.Nc1 Nc6 Black prepares b4 18.Qa5 Ra5 19.Bc5 b4 20.Bb6 Ra8 21.Bc4 Rb8 22.Bc5 Na5 23.Bd3 Nd5 (23...b3 24.ab3 ab3 25.Bb1–/+) 24.0-0 (24.Ne2 b3 25.ab3 ab3=+) 24...Nc3 (better 24...b3!?–/+) 25.Be7= b3 26.ab3 ab3 27.Nd2 (27.Ne2 Bf5 28.Nc3 Bd3 29.Rd1=+) 27...b2=+ 28.Ne2 (28.Bd6 bc1N 29.Rc1 Rb2 30.Rc3 Rd2=+) 28...Ne2–/+ 29.Be2 Bf5 (29...Nb3 30.Nb1 Re8 31.Bc5–/+) 30.Nb1 (30.g4!? b1Q A) 31.Rb1? Bb1 (31...Rb1?! 32.Nb1 Bb1 33.Kg2=+) 32.Nb1 Rb1 33.Kg2 Rc1–+; B) 31.Nb1 Bb1 32.Rc1=+) 30...Nb3–/+ 31.Ba3 Nc1 32.Bf3 Bb1 33.Bb2 Rb2 (33...Ne2 34.Be2 Rb2 35.Rc1–/+) 34.Rc1 Bc2 35.Kf1 (35.g4 f5–/+) 35...Bf6 (35...f5 36.g3–/+) 36.Ke1 (36.g3 Be7–/+) 36...Be7 37.Be2 Kg7 38.Ra1 Bb4 39.Kf1 Bb3 40.Bd3 Rd2 41.Be2 Bd5 42.g3 (42.f3 f5–/+) 42...Be6 (42...f5 43.Ra7 Kh6 44.Rd7–+) 43.Bf3–/+ Bc3 (43...Rb2 44.Be4–/+) 44.Rc1 Bb4 (44...Bh3 45.Bg2 Bg4 46.Bd5 Rd1 47.Rd1 Bd1 48.Kg2–/+) 45.Kg2 (45.Ra1 Rb2 46.Kg2–/+) 45...g5 46.h3 h6 47.Rb1 Ba3 48.Rb5 Bc4 49.Ra5 Bb4 50.Ra1 Rb2 51.Rc1 Bb3 52.Be4 Ba3 53.Rb1 (53.Rc8!?–/+) 53...Bd5!–+ The mate threat is Bxe4 54.Rb2 (54.Bd5 Deflection from b1 54...Rb1) 54...Be4 55.f3 Bf3! 56.Kf3 Bb2 57.g4 (57.Ke4 Kf6–+) 57...Kf6 58.Ke4 Bc1 59.Kd3 Ke6 60.e4 Bf4 61.Kc4 Be3 62.Kd3 Bg1 63.Kc4 f6 64.Kc5 Bf2 65.Kc4 Kd6 66.Kd3 Kc6 67.Kc4 Bg1 68.Kc3 Kb5 69.Kd3 Bh2 70.Kc3 Bb8 71.Kb3 Bc7 72.Kc3 Bd6 73.Kb3 (better 73.Kd3–+) 73...Bb4 74.e5 fe5 75.de5 Be7 76.Kc3 Kc5 77.Kd3 Kd5 78.e6 Bc5 (78...Bc5 79.h4 gh4–+) 0–1. Md. Abul,Kashem (1700) – Navalgund,N (2310), 3rd IIFL Wealth Mumbai Op, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 a5 7.b5 d5)

8.0-0 Nbd7 9.Na3 e5 10.d4 e4 11.Nd2 c5 12.f4 ef3 13.Bf3 Qe7 14.Nc2 Nb6 15.Qe2 Na4 16.Rab1 Nb2 17.Rb2 Bf5 18.e4 Rae8 19.Re1 Bc8 20.dc5 dc5 21.Rbb1 Qe5 22.Ne3 Bh6 23.Kh1 Be3 24.Qe3 Rd8 25.b6 ½–½. Vogt,Lothar – Boensch,Uwe, DDR–ch, 1975. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 a5)

8.a4 c5 9.0-0 b6 10.Nc3 Bb7 11.d4 Nbd7 12.Rc1 Qc7 13.Qd3 Rfe8 14.d5 e6 15.de6 Re6 16.Ng5 Ree8 17.Rfd1 h6 18.Nh3 Re6 19.Nf4 Re7 20.Nfd5 Nd5 21.Nd5 Bd5 22.Qd5 Rae8 23.Bg7 Kg7 24.Qd6 Qd6 25.Rd6 Rb8 26.Rcd1 Nf6 27.Bf3 Ne4 28.R6d3 Ng5 29.Bc6 h5 30.Rd8 Rd8 31.Rd8 Ne4 32.Rb8 Nc3 33.Rb6 Na4 34.Ra6 Nb2 35.b6 Nc4 36.b7 Rb7 37.Bb7 a4 38.Bd5 Nb2 39.Ra7 c4 40.Bf7 Kf6 41.Be8 Ke5 42.Bg6 Kd6 43.Bh5 c3 44.Be8 c2 45.Rd7 Ke6 46.Rc7 a3 47.Bf7 Kd6 48.Rc2 Ke7 49.Rc7 Kd6 50.Ra7 Nd1 51.Ra3 Nb2 52.Rb3 Na4 53.Ra3 Nc5 54.Rc3 Ne4 55.Rb3 Ng5 (White ran out of time and Black has no material to mate, ½–½). Machete99 (2205) – mardev (2000), ICC, 2002.

7.a3 d6 8.0-0 a5 9.b5 d5 10.Nc3 dc4 11.Bc4 cb5 12.Nb5 Nc6 13.Rb1 Bf5 14.d3 Qd8 15.Nbd4 Bd7 16.Ba1 Nd4 17.Nd4 (worse is 17.ed4 Bc6+=) 17...Bc6 18.Nc6 bc6 19.Be5 Nd5 20.Bg7 Kg7 21.Rb7 Qd6 22.Qa1 Kg8 23.d4 h5 24.Rfb1 Nf6 25.Qb2 Ng4 26.g3 h4 27.Bf1 hg3 28.hg3 e5? (better is 28...Ne3!? 29.fe3 Qg3 30.Bg2 Qe3 31.Qf2 Qa3 32.Bc6 a4+/–) 29.Bh3+– Qe6 30.de5 Rfe8 31.Qd4 Qd5 32.Qg4 1–0. Lozovoy,Sergej (1975) – Beckmann,Emanuel (1965), GER–chT U20 Berlin, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 Qb6)

7.Qb3 Na6 8.c5 Qb4 9.Ba6 Qb3 10.ab3 ba6 11.Be5=.

7.Qb3 d5 8.c5 Qd8 9.d4 Ne4 10.0-0 Nd7 11.a4 a5 12.b5 e5 13.Qc2 (13.Nc3 ed4 14.ed4 Ng5 15.Ng5 Qg5+=) 13...ed4= 14.Bd4 (14.ed4 Qf6 15.Re1 Re8=) 14...Ndc5 15.Bc5 (15.bc6!? bc6 16.Nbd2=) 15...Nc5=+ 16.Ra2 Qd6 17.bc6 (better 17.Rc1!? Ne4 18.bc6 bc6 19.Qc6 Qc6 20.Rc6=+) 17...Bf5-/+ (worse 17...Qc6 18.Rc1 Ne4 19.Qc6 bc6 20.Rc6=+) 18.Qc1 bc6 19.Nd4 Bd7 20.Rc2 (better 20.Nc3!?-+) 20...Na4 21.Nc6 Rfc8 (better 21...Bb2!? 22.Rb2 Nb2 23.Nd4-+) 22.Nd4-/+ Nb6 23.Nd2 a4 24.Qb1 Rc2 25.Qc2 a3 26.Qa2 Na4 (26...Bd4 27.ed4 Qb4 28.Rb1 Qd4 29.Nb3-+) 27.Rc1 (27.Nb1 Be5 28.Nf3 Bb2-/+) 27...Qb4 (27...Bd4 28.ed4 Rb8 29.Qc2-+) 28.Nb1 (28.Qd5 Nb6 29.Qa2 Bd4 30.ed4 Qd4 31.Bf3-+) 28...Bd4-+ 29.ed4 Nb2 (29...Qb2!? 30.Qb2 ab2 31.Rc7-+) 30.Bf3 (30.Qd5 Ra7 31.Qa2 Qd4-+) 30...Be6 (30...Re8 31.g4 Nd3 32.Rf1 Qd4 33.Na3-+) 31.Bd5 Bd5 32.Qd5 Re8 33.Nc3?? (better 33.Rf1 Nd3 34.Qa2-+) 33…Qc3!! (33...Qc3 34.Rf1 Re1 35.Qa8 Kg7-+) 0-1. Vitolins (2015) - argol (2230), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2)

7.Qb3 d6 8.0-0 Be6 9.d4 d5 10.c5 Qc7 11.Nbd2 b5 12.a4 Ne4? (better is 12...ba4!? 13.Qa4 Nbd7+=) 13.ab5+– Nd2 14.Nd2 cb5 15.Bb5 a6 16.Rfc1 Nc6 (better is 16...Rc8+–) 17.Ba6 Ra6 (17...Rfb8 18.b5 Bf5+–) 18.Ra6 Qb7 19.b5 Ra8 (19...Nd8 20.c6 Qc8 21.Ra7+–) 20.Rc6 Bd7 (20...Bf5 21.Rb6 Qd7 22.Ra6+–) 21.Rb6 Qa7 (21...Qc8 22.Qd5 Ra5 23.Rb7+–) 22.Ra1 Qa1 23.Ba1 Ra1 24.Nf1 e5 25.Qd5 Ra7 26.Rb8 Bf8 27.Qd6 Bb5 28.Qf8 1–0. Bonetti,Shane – weatherman, ICC, 2002.

7.Bc3 d6=.

8.Qb3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.b5 Nc5 12.Qc2 d5 13.d4 Nce4 14.bc6 bc6 15.0-0 White plans c5 15...Bf5 16.c5 (better 16.Nh4!? Bd7 17.Nc3=) 16...Qa7-/+ 17.Qb2 Rb8 18.Qa3 Qa3 19.Na3 Nc3 (better 19...Ra8!? 20.Bb2 Nd7-/+) 20.Bc3+= (20.Bc3 Rb3 21.Ra1 Rc3 22.Ne5+/-) 1-0. negrovich1 (1905) - kolosovas (2145), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2)

8.b5 c5 9.0-0+= d6 10.Nc3 e5 11.Qc2 Bf5 12.e4 Bg4 13.h3 Bf3 (13...Be6 14.Ng5+=) 14.Bf3 (worse is 14.gf3 Bh6=) 14...Qc7 15.d3 b6 16.Bc1 Nbd7 17.Bg5 Ne8? (better is 17...Rfe8+=) 18.Nd5+– Qb7 19.Be7 Ndf6 20.Bf8 Nd5?? (20...Bf8 21.Rae1 Bg7+–) 21.Bg7 (21.ed5?! Kf8 22.Rae1 Kg8+–; 21.cd5?! Bf8 22.Rab1 Bh6+–) 21...Ng7 22.cd5 f5 23.Rac1 f4 (23...Rf8 24.Be2+–) 24.Qb2 g5 (24...Qe7 25.Be2+–) 25.Rc4 h5 26.a4 Qd7 27.Qe2 g4 (27...Qf7 28.Rc3+–) 28.hg4 hg4 29.Bg4 Qe7 30.Qf3 Kf7 31.Qh3 Rg8 32.Qh7 Qg5 (32...Kf8+–) 33.Be6 (33.Be6 Ke7 34.Qg8+–) 1–0. DEFFM – GuestXDDJ, freechess.org, 2018.

8.b5 d5 9.cd5 cd5 10.Nc3=.

8.c5 Qc7 9.0-0 (9.Nc3 d6=) 9...d5 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.cd6 ed6 11.Nc3 Be6 (11...Qe7 12.h3+=) 12.Qc2 (12.Nd4!?+=) 12...Na6 13.b5 Nc5 14.Nd4 d5 (14...Bd7 15.Rac1=) 15.a4 Ng4 (15...Rfe8 16.Ne6 Ne6 17.bc6 bc6 18.d4=) 16.Bg4 (16.f4 Bd4 17.ed4 Ne4+/–) 16...Bg4 17.Ba3 Qd6?? (better is 17...Bd4 18.ed4 Ne6 19.Bf8 Rf8+/–) 18.bc6+– b6 19.Ncb5 Qe7 20.h3 Bh3 (20...Bc8 21.Rac1+–) 21.gh3 Qh4 22.Kh2 Be5 23.f4 Ne4 24.Rf3 Ng5 25.Rg3 Ne4 26.Rag1 Ng3 27.Rg3 Bf4 28.ef4 Qf4 29.Ne2 Qe5 30.d4 (30.d4 Qe6 31.Bf8 Rf8 32.Nf4+–) 1–0. Zielke,Bernd – Haugsrud,Hakon, Kiel op, 2000.

8.ba5 Qa5 9.0-0 d5=.

8.b5 a4 9.Qa3=.

8.b5 a4 9.Qc2 d6 10.Na3 Bf5 11.d3 Rc8 12.Rb1 cb5 13.Bd4 (13.Nb5? Qb5 14.Bf6 Qa5 15.Qd2 Bf6 (worse is 15...ef6 16.Qa5 Ra5 17.Rb7–+) 16.Qa5 Ra5 17.Rb7 Nd7–+) 13...Qa6 14.Rb5 e5 15.Bc3 Bd7 (better is 15...Nbd7!?=) 16.Ra5+/– Qa5 17.Ba5 Ra5 18.0-0 Nc6 19.Rb1 Nd8 20.Qd2 Raa8 21.Nb5 Bf8 22.Nc3 Bc6 23.d4 e4 24.Ne1 Bd7 25.Nc2 h5 26.Nb4 Be6 27.Nbd5 Bd5 28.Nd5 Nd5 29.cd5 Rc7 30.Rc1 Rac8 31.Rc7 Rc7 32.a3 f5 33.Bb5 Be7 34.Ba4 Nf7 35.h3 Kf8 36.Qb2 h4 37.Qb5 Bg5 38.Kf1 Re7 39.Qc4 f4 40.Qc8 Kg7 41.Ke2 fe3 42.fe3 Nh6 43.Bd7 b6 44.Qc6 Rf7 45.Be6 Ra7 46.Qd6 Be7 47.Qe5 (47.Qb6!? Ra3 48.Qc7 Ra2 49.Kd1 Ra1 50.Kc2 Kf8+–) 47...Bf6 48.Qe4 Ra3 49.d6 1–0. Espig,Lutz (2505) – Gutman,Lev (2450), Bundesliga, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2)

8.b5 d5 9.Bd4 (9.Nc3 Be6+=) 9...Qd8 (9...c5 10.Bb2=) 10.d3 (10.Nc3 dc4 11.Bc4 Nbd7+=) 10...Nbd7 (10...cb5 11.Qb5 dc4 12.dc4=) 11.Nbd2 (11.cd5 a4 12.Qb2 Qa5 13.Nbd2 a3=) 11...Re8= 12.Qb2 (12.cd5 cd5 13.0-0 a4=) 12...a4 (12...e5 13.Bc3= (13.Ne5? Ne5 14.Rd1 Nfg4–+; 13.Be5? Ne5 14.Ne5 Re5–+)) 13.a3 (better is 13.cd5 a3 14.Qc2 cd5 15.0-0=) 13...Nh5 (better is 13...e5!? 14.Bc3 Qe7+=) 14.Bg7+/– Ng7 15.cd5 (15.d4 Nf5+/–) 15...cd5+= 16.d4 Nb6 17.0-0 Bg4 18.h3 (18.Rac1 Qd6+=) 18...Bf3 19.Bf3 (19.Nf3 Qd6+=) 19...Qd6 (19...Rc8 20.Rac1+=) 20.Rac1 Rec8 21.Rc8 Rc8 22.Rc1 Ne8 23.Rc8 Nc8 24.Qc3 Nb6 25.Qc5 e6 26.e4 Kf8 27.ed5 ed5 28.Nb1 Ke7 29.Nc3 Nc7 30.Bd1 Qc5 31.dc5+/– Nc4 32.Ba4 Na3 33.b6+– Na6 34.Nd5 Kd8 35.c6 bc6 36.Bc6 Nb8 37.Ba4 Nc4 38.Kf1 Nd7?? 39.Bd7+– Kd7 40.b7 (40.b7 Nb6 41.b8Q Nd5 42.Qe5+–) 1–0. Evans,JS – Ripley,JM, BCF–ch, 1970.

7.0-0 b6 8.Qc2 Bf5 9.d3 dc4 10.Qc4 Be6 11.Qc2 Nd5 (11...a5 12.ba5 Ra5 13.Nbd2=) 12.Bg7+= Kg7 13.Nbd2 Kg8 14.a3 Nd7 15.Nd4 (15.Qc6? Rc8 16.Qa4 Nc3–+) 15...c5 16.Ne6 fe6 17.b5 N7f6 18.Nc4 Rc8 19.Qb2 Nd7 20.Bg4 Rf6 21.g3 Qf8 22.e4 Nc7 23.Ne5 (23.f4!?+/–) 23...Ne5= 24.Qe5 The isolani on e6 becomes a target 24...Qd8 25.Rad1 Qd4 (25...h5 26.Bh3+=) 26.Qd4 cd4 27.a4 Rff8 (27...h5!? 28.Bh3 g5+/–) 28.Rc1+– Kf7? (28...h5 29.Bh3 g5 30.Rc6+/–) 29.f4?? (better is 29.Rc6 Rfd8 30.Rfc1+–) 29...Na8+/– 30.Rc8 (30.Rc6 Rc6 31.bc6 Rc8+/–) 30...Rc8+= 31.f5 ef5 32.ef5 Kg7?? (better is 32...g5+=) 33.fg6 (better is 33.f6 ef6 34.Bc8+–) 33...hg6?? (33...Rh8 34.Rf7 Kg6 35.Re7 h5+–) 34.Bc8 (34.Bc8 Nc7 35.h4+–) 1–0. GuestDVXC – GuestXDZG, freechess.org, 2017.

7.a3 Bg4 8.cd5 Nd5 9.Bg7 Kg7 10.Qc2 Qd6 11.Nc3 e5 12.Ne4 Qe7 13.Qb2 Re8 14.0-0 Nd7 15.Rfc1 h6 16.h3 Bf3 17.Bf3 f5 18.Nc3 Nc3 19.Qc3 Kh7 20.d4 e4 21.Bd1 Nf6 22.Bb3 Rad8 23.Qc5 a6 24.a4 Qg7 25.Qb6 Rd7 26.b5 ab5 27.ab5 cb5 28.Qb5 Ree7 29.Ra7 f4 30.Rb1 fe3 31.fe3 h5 32.Ba4 Qh6 33.Qb3 Rc7 34.Bb5 b6 35.Rc7 Rc7 36.Re1 Qg5 37.Bf1 Qg3 38.Re2 Kg7 39.Qb6 Nd5 40.Qb3 Rd7 41.Qb5 Nf6 42.Qe5 Qe5 43.de5 Nd5 44.Rd2 Kf7 45.Bc4 Ke6 46.Rd4 Ke5 47.Kf2 Nb6 48.Rd7 Nd7 49.Bf7 g5 50.Bh5 Nf6 51.Be2 Nd5 52.Bc4 Nc3 53.Ke1 Kd6 54.Kd2 Na4 55.Bf7 Nb6 56.Bh5 Ke5 57.Ke2 Nd5 58.Kf2 Nf6 59.Be2 Kd5 60.Kg3 Kc5 61.h4 gh4 62.Kh4 Kb4 63.Kg5 Nd5 64.g3 Ne3 65.Bh5 Kc3 66.Bg6 Kd2 67.Be4 Nf1 68.Kg4 Ne3 69.Kf3 Nf1 70.g4 1–0. Adamkosh (2050) – erzhan63 (2125), lichess.org, 2020.

7.Na3 a5 8.b5 dc4 9.Bc4 cb5 (9...Bg4 10.h3 Bf5 11.d3=) 10.Nb5 Nc6 11.0-0 Bg4 12.Be2 (12.d3 a4=) 12...Rc8= 13.h3 Bf5 14.a3 Qb6 (14...Bd3 15.Bd3 Qd3 16.Nbd4=) 15.d4 Rfd8 16.Qb3 Be6 17.Qd3 Bf5 18.Qb3 Be6 19.Qd3 Bf5 20.Qb3 ½-½. Aleksandrov,A (2560) - Gabrielian,A (2445), Gipslis Memorial Blitz, 2021. (=1.Nf3 Nf6 2.e3 g6 3.b4 c6 4.Bb2 Bg7 5.c4 0-0 6.Be2)

7.Na3 Na6 8.Rb1 Bf5 9.d3 Nb4 10.cd5 cd5 (10...Na2 11.Qd2 Qd5 12.e4 Be4 13.de4 Ne4 14.Qd5 cd5 15.Bg7 Kg7 16.Rb7–/+) 11.0-0 Nc6 (worse is 11...Na2 12.Qb3+/–) 12.Qa4 Qd7 13.Rfd1 Rfc8 14.h3 h6 15.Qb5 b6 16.Bc3 Qe8 17.Qb2 Qf8 18.Nb5 g5 19.Nd6 ed6 20.Bf6 Ne5 21.Bg7 (worse is 21.Be5 de5 (worse is 21...Be5 22.Ne5 de5 23.Qe5+=) 22.Ne5 Qe8–/+; 21.Ne5?? Bf6 (worse is 21...de5 22.Be5 Rc5 23.Rdc1+=) 22.Bf3 Be5–+) 21...Qg7 22.Nd4 Bh7 23.Qa3 Qf6 24.Qa6 Qe7 25.Rb5 Rc5 (better is 25...Nc6!? 26.Nc6 Rc6=) 26.Rb6+/– ab6 27.Qa8 Kg7 28.Qb8 Ra5 (better is 28...Qc7!? 29.Qc7 Rc7+=) 29.Rd2+/– Ra6 30.Qc8 Ra5 31.Nc6 Nc6 32.Qc6 Qa7 33.Qc3 f6 34.Bf3 Ra2 35.Ra2 Qa2 36.Qc7 Kg6?? (36...Kg8 37.Qd6 Qa1 38.Kh2 Qe5 39.Qe5 fe5 40.Bd5 Kf8+/–) 37.Qd6 Bg8?? 38.Qf8 Bf7?? 39.Bh5!! Kh5 40.Qf7 Kh4 41.g3 (41.g3 Kh3 42.Qh5) 1–0. Ambelang,Harald (2145) – Bogomolow,Sergej (2210), BL2–Nord, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

7.Na3 dc4 8.Nc4 b5 9.Nce5=.

7.Na3 Qd6 8.Qb3 Nbd7 9.0-0 e6 10.Rfc1 a6 11.Nc2 e5 12.d4 e4 13.Ne5 Qe6 14.Nd7 Bd7 15.a4 Qf5 16.cd5 Nd5 17.b5 ab5 18.ab5 cb5 19.Ra8 Ra8 20.Bb5 Bb5 21.Qb5 Ne3 22.Qb7 Qd5 23.Qd5 Nd5 24.g3 f5 25.Ne3 Bh6 26.Re1 Be3 27.fe3 Ra2 28.Bc1 Kf7 29.Rd1 Nc3 30.Rf1? (better is 30.Re1–+) 30...Ne2 31.Kh1 Ra1 0–1. Spiridonov,Nikola (2415) – Lechtynsky,Jiri (2440), Albena, 1984.

7.Na3 Be6 8.0-0 a5 9.b5 dc4 10.Nd4 Bd5 11.bc6 Nc6 12.Nc6 Bc6 13.Bc4 Qd6 14.d4 Nd5 15.Nb5 Qd7 16.a4 Nb6 17.Be2 Rfc8 ½–½. Panno,O (2480) – Ricardi,P (2535), Copa Clarin, Villa Martelli ARG, 2001.

7.Na3 Bf5 8.cd5 cd5 9.0-0 Na6 10.Qb3 Qd6 11.Bc3 Rfc8 12.Nb5 Qd8 13.Rac1 Nc7 14.a4 Nb5 15.Bb5 Be4 16.Be2 Qd6 17.Be5 Qe6 18.Bd4 Qd6 19.Qb2 Ng4 20.g3 e5 21.Bc3 Qf6 22.Nh4 g5 23.f3 gh4 24.fe4 Qg6 25.ed5 hg3 26.hg3 Ne3 27.de3 Qg3 28.Kh1 Rc3 29.Rc3 Qh3 30.Kg1 Qg3 31.Kh1 ½–½. Son,I – Gritsayeva,O, Alushta, 1999.

7.a4 dc4 8.Bc4 Nbd7 9.a5=.

7.a4 Nbd7 8.0-0 dc4 9.Na3 Nb6 10.Nc4 Nc4 11.Bc4 Bg4 12.d3 Nd5 (12...Qd6 13.b5=) 13.Bg7+= Kg7 14.Qb3 (14.b5!?+=) 14...Bf3+= 15.gf3 e6 (15...e5 16.Rad1+=) 16.Rfc1 (16.d4 Qe7=) 16...Qg5 17.Kh1 Rfd8 (17...Qh5 18.Qb2 Kg8 19.Bd5 Qd5 20.Qe2+=) 18.d4 (18.Rg1 Qf6+=) 18...Qh4 (18...Qh5 19.f4+=) 19.Kg2 Qg5 20.Kh1 Qh4 21.Kg2 ½–½. Brauer,Christian (2100) – Nickl,Klaus (2025), World Senior Teams +65, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

7.a4 Bg4 8.Qb3 Nbd7 (8...dc4 9.Qc4 a5 10.b5=) 9.d4 (9.cd5 cd5 10.d4 Qb6=) 9...dc4 10.Qc4 Nb6 11.Qb3 (11.Qc5 a5=) 11...Be6=+ 12.Qc2 (12.Qa3 a5=+) 12...Nbd5 13.Bc3 a5 (13...Qd6 14.Qb2=+) 14.ba5= Bf5 (14...Nc3 15.Nc3 Qa5 16.0-0=) 15.Bd3 Nc3 16.Nc3 Bd3 17.Qd3 c5 18.0-0 Qa5 (18...cd4 A) 19.Nd4? e5–+ (19...Ra5?! 20.Rfd1=; 19...Qa5?! 20.Rab1=); B) 19.ed4 Qa5 20.Rfc1=) 19.Rab1 (19.Rfc1 cd4 20.ed4 Rfc8=) 19...cd4 20.Nd4 Rfd8 (20...e5!? 21.Nb3 Rfd8=) 21.Rb7+= Rac8 22.Ncb5+/– e6 23.Qa3 Bf8 24.Qa2 Nd5 25.Qb3 Bc5= 26.Rb1 Qa6 27.Na3 Bd4 28.ed4=+ Nc3 29.Re1 Rd4 30.h3 Qa4–/+ 31.Qa4 Ra4 32.Nc2 Nd5 33.Ne3 Re4 34.Kf1 Ne3 35.fe3 Rec4 36.Kf2 R4c7 37.Rc7 Rc7 38.Kf3 Kg7 39.Ra1 Kf6 40.Ra6 Rc4 41.Ra7 h5 42.g3 g5 43.g4 h4 44.Ra2 Rc1 45.Ke4 Rh1 46.Rf2 Kg6 47.Rf3 Rg1 48.Rf2 Rg3 49.Rh2 f5 50.gf5 ef5 51.Kd4 Rf3 52.Rh1 Kh5 53.Ke5 g4 54.hg4 fg4 55.e4 g3 (56.Rd1 g2–+) 0–1. Mehlhorn,Uwe (2180) – Schultz,Andreas (2200), Oberliga Ost–A, 2001.

7.Qb3 dc4 8.Bc4 b5 9.Be2 =+.

7.Qb3 Bg4 8.d4 Nbd7 (8...dc4 9.Qc4 Be6 10.Qc2=) 9.Nbd2 (9.0-0 dc4 10.Qc4 Nd5=) 9...e6 (9...dc4 10.Bc4 Nb6 11.Bd3=) 10.a4 (10.0-0 dc4 11.Nc4 Ne4+=) 10...a6 (10...dc4 11.Nc4 Nd5 12.0-0+=) 11.a5 (11.0-0 dc4 12.Nc4 Bf3 13.Bf3 Nd5+=) 11...Bf3 (11...Ne4 12.Rd1=) 12.gf3 (12.Nf3 dc4 13.Qc4 Nd5+=) 12...dc4 (12...Re8 13.0-0=) 13.Nc4 Nd5 14.h4 (14.Rg1 Qe7=) 14...Qc7 (14...Qe7 15.h5=) 15.f4 (15.h5 e5 16.hg6 fg6+/–) 15...h5 16.Ba3 (16.Rg1 Rad8=) 16...Rad8 17.Ne5 (17.Rg1 Rfe8=) 17...N7f6 (17...Ne5 18.fe5 Kh7 19.Rg1=) 18.Bd3 (18.Rg1 Ne4=) 18...Nf4 (18...Kh7 19.Rg1=) 19.ef4 Rd4 20.Bc1 (20.Bb2 Rf4 21.Rd1 Nd5=) 20...Nd5 21.Be3 Rb4 22.Qc2?? (22.Qa3 Be5 (22...Nf4?! 23.Qb4 Nd3 24.Nd3 Ba1 25.Nc5=+) 23.fe5 Qe5–/+) 22...Ne3?? (better is 22...Nf4 23.Bg6 Qe5 (23...Ng6?! 24.Ng6 Ba1 25.Nf8 Qa5 26.Kf1–+; < 23...fg6 24.Bf4 Rbf4 25.Ng6 Ba1 26.Nf4 Qa5 27.Qd2 Qd2 28.Kd2–+; < 23...Be5 24.Bb6 Ng2 25.Ke2 Nf4 26.Ke1–+) 24.Bh7 Kh8–+) 23.fe3=+ Be5 24.fe5 Qe5 25.Qc1 Qg3 26.Kd2 Rd8 27.Qc5?? Qf2–+ (28.Kc1 Qb2 (28...Rd3?! 29.Qb4 Qe3 30.Kc2=+) 29.Kd1 Rd3 30.Ke1 Re3 31.Qe3 Qa1 32.Kf2 Qh1 33.Qe5 Rb2 34.Qb2 Qh2 35.Kf3 Qb2 36.Ke3 Kg7 37.Kf3 e5 38.Kg3 f5 39.Kh3 Qc3 40.Kg2 Qd2 41.Kh3 e4 42.Kg3 f4 43.Kh3 Qa5 44.Kg2 Qe1 45.Kh2 Qh1 46.Kh1 a5 47.Kg2 a4 48.Kf1 Kf6 49.Ke1 a3 50.Kd2 g5 51.hg5 Kg5 52.Kc3 e3 53.Kb3 b6 54.Ka3 f3 55.Kb4 Kf4 56.Kc4 Kg3 57.Kd4 Kf2 58.Ke5 h4 59.Kd6 c5 60.Kc6 h3 61.Kb6 c4 62.Kc5 c3 63.Kd4 c2 64.Kd3 c1Q 65.Kd4 h2 66.Kd5 Qc3 67.Ke6 h1Q 68.Kd6 Qh6 69.Kd7 Qhc6 70.Ke7 Q3f6) 0–1. Lauermann,Answarth – Krueger,Marcus, Werther Schloss op 3rd, 1997.

7.b5 cb5 8.cb5 Bd7 9.a4 e6 10.Ne5 a6 11.Nd7 Qd7 12.0-0 ab5 13.ab5 Ra1 14.Ba1 Qd6 15.Nc3 Nbd7 16.Na4 Nc5 17.Nc5 Qc5 18.Qb1 Ne4 19.Bg7 Kg7 20.d4 Qb6 21.Qc1 Ra8 22.Qc2 Qa5 23.Bf3 Nd2 24.Rc1 Nf3 25.gf3 Qb5 26.Qc7 b6 27.Kg2 Ra6 28.Qe5 Kf8 29.Rc8 Ke7 30.Rc7 Ke8 31.Qh8 1–0. axtur777 – joshwrathall, lichess.org, 2019.

7.b5 Re8 8.bc6 bc6 9.Nc3 e5 10.cd5 cd5 11.0-0 Nc6 12.Bb5 Bd7 13.Qc1 Rb8 14.a4 Nb4 15.Bd7 Qd7 16.Ba3 Nd3 17.Qc2 e4 18.Nd4 Ng4 19.Nde2 Qf5 20.Ng3 Qf6 21.Nd5 Qe6 22.Nc7 Qd7 23.Ne8 Rc8 24.Qa2 Ba1 25.Qa1 Re8 26.h3 Ngf2 27.Rf2 Nf2 28.Kf2 Qd2 29.Ne2 Rc8 30.Bc1 Qc2 31.Bb2 Rc5 32.Bh8 Rf5 33.Kg1 f6 34.Nd4 Qf2 35.Kh2 Rg5 36.Qg1 Qg1 37.Kg1 Kh8 38.Kf2 Ra5 39.Kg3 Ra4 40.Kf4 f5 41.g4 a5 42.gf5 gf5 43.Kf5 Rd4 44.ed4 e3 45.d5 e2 46.d6 e1Q 47.d7 Qd1 48.Ke6 Qd7 0–1. Adamkosh (1925) – Ostepop (1895), lichess.org, 2019.

7.Qc1 dc4 8.Qc4 a5 9.ba5 Qa5 10.0-0=.

7.Qc1 Be6 8.cd5 Bd5 9.Nc3 Be6 10.Ng5 Bc8 11.a3 h6 12.Nf3 Bf5 13.d4 Nbd7 14.Na4 Ne4 15.Nc5 Ndc5 16.dc5 f6 17.Nd4 Bd7 18.Bc4 Kh7 19.Ne6 Be6 20.Be6 Qd3 21.Bc4 Qd7 22.0-0 e5 23.Rd1 Qe7 24.h4 f5 25.f3 Ng3 26.Rd2 Rad8 27.Qc3 Qh4 28.Rd8 Rd8 29.Re1 Qh1 30.Kf2 Qh4 31.Kg1 Qe7 32.Qb3 Qd7 33.Kh2 Qd2 34.Bc3 Qf2 35.a4 e4 36.f4 Bc3 37.Qc3 Rd2 38.Rg1 Nf1 0–1. Adamkosh (1840) – KAHABER (2235), lichess.org, 2020.

7.Qc1 Bg4 8.h3 (8.0-0 Na6 9.a3 dc4 10.Qc4 Qd5=) 8...Bf3 9.Bf3 Nbd7 10.0-0 (10.d3 a5=) 10...e5 (10...a5 11.ba5 Qa5 12.d3=) 11.d3 Re8 (11...Qe7 12.Rd1=) 12.Rd1 (12.Nd2 e4 13.de4 de4=) 12...Qe7 13.Qc3 (13.a3 e4 14.de4 de4=) 13...Nb6+= 14.e4 (14.Qb3 e4 15.Be2 ed3 16.Bd3 dc4 17.Bc4 Rad8=) 14...dc4 (14...Rad8 15.Nd2+=) 15.dc4= a5 (15...Na4 16.Qb3 Nb2 17.Qb2=) 16.Ba3 Qe6 (16...ab4 17.Bb4 c5 18.Ba3=) 17.Nd2 (17.c5 Nc4=) 17...Bf8 (17...Bh6 18.c5 Bd2 19.Rd2=) 18.ba5 Ba3 19.Qa3 Nc4 20.Nc4 Qc4 21.Rab1 (21.Qb3 Qb5=) 21…Qa6 (21...Ra7 22.Rbc1 Qe6 23.Qc5=) ½–½. Smyslov,Vasily – Ftacnik,Lubomir, Beer Sheva, 1990.

7.Qc2 Nbd7 8.d4 Nb6 9.c5 Bf5 10.Qb3 Nbd7 11.Nbd2 Qc7 12.Rc1 Rfe8 13.0-0 Ne4 (13...Bg4 14.b5+=) 14.Rcd1 (14.Ne4 Be4 15.Nh4 e5+=) 14...h5 (14...Nd2 15.Rd2 Nf6 16.b5=) 15.b5 Bh6 (15...Nd2 16.Rd2 Nf6 17.Rdd1+=) 16.h4 (16.Ne4 Be4 17.Nd2 Bf5+=) 16...Be6 17.Qc2 Bf5 18.Qb3 Be6 19.Qc2 Bf5 20.Qb3 Be6 21.Qc2 (21.a3 Bg4+=) 21…Bf5= ½–½. Kowacz,Agnieszka – Maciak,Gabriela, d16, 2014.

7.Nc3 Qb6 8.a3+= dc4 9.Bc4 a5 10.b5 (10.Qb3 Nbd7=) 10...Ne4 11.Na4 Qd8 12.Bg7 Kg7 13.bc6 Nc6 14.Qb3 (14.Qc2!? Nf6 15.Qb2=) 14...Bg4+= 15.Be2 Kg8 (15...Qd6 16.d3 Nf6 17.Rc1=) 16.d4= Rb8 (16...Be6 17.Qb2=) 17.Nb6 Nb4 18.ab4 Qb6 19.Ra5 Rbc8 (better is 19...Ra8 20.Qa3 Ra5 21.Qa5 Qc6=) 20.h3?? (better is 20.Qb2+=) 20...Rc1–+ 21.Bd1 Rd1 22.Kd1?? (better is 22.Qd1 Qb4 23.Kf1 Qa5 24.hg4–+) 22...Bf3 23.gf3 Nf2 24.Ke2 Nh1 25.Rg5 (25.Qc4 Ng3 26.Kd3 Rd8–+) 25...Qa6 26.b5 (26.Ke1 b6 27.Qb2 Ra8–+) 26...Qa1 (26...Qa1 27.Qd1 Qa2 28.Qd2 Qe6–+) 0–1. Matveenko,Yury – Golovchanov,Artiom, Voronezh Region CC Championship Semifin, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

7.Nc3 dc4 8.Bc4 b5 9.Bb3=.

7.Nc3 Nbd7 8.c5 b6 9.cb6 Qb6 10.a3 c5 11.Na4 Qd6 12.bc5 Nc5 13.Be5 Qc6 14.Nc5 Qc5 15.0-0 Ne4 16.Bg7 Kg7 17.Qc1 Bg4 18.Qb2 Kg8 19.Rfc1 Rab8 20.Rc5 ½–½. Michna,Marta (2350) – Jaracz,Barbara (2245), Poland–ch (Women), 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

7.c5 Bg4 8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 b6 12.d4 bc5 13.bc5 Nbd7 14.Nbd2 Qc7 15.h3 Bf3 16.Nf3 Ne4 17.Qa4 Rb8 18.Bd3 e5 19.Be4 de4 20.Ng5 ed4 21.Bd4 Bd4 22.Qd4 (worse is 22.ed4 Nf6 23.f3 e3+=) 22...Nc5 23.Nf7 Kf7 (23...Qf7!? 24.Qc5 Qe6+=) 24.Qc5+/– Qd7 25.Qc4 Qd5 26.Rc1 Ke6 27.Qc6 Qc6 28.Rc6 Kd5 29.Rc7 h5 30.Rf7 Ke6 31.Rf4 Ke5 32.g4 hg4 33.hg4 Rg8 34.Kg2 Ra8 35.Kg3 Rg8 36.g5 Rg7 37.Rf8 Re7 38.Rf6 Rg7 39.Ra6 Rg8 40.Kg4 Rg7 41.Ra5 Ke6 42.Kf4 Rf7 43.Ke4 Rf2 44.Ra6 Kf7 45.Ra7 Kg8 46.Re7 Rf5 47.Re5 Rf1 48.Kd5 Kf7 49.e4 Ra1 50.Kd4 Ra4 51.Ke3 Ra1 52.Kf4 Rf1 53.Kg3 Rg1 54.Kf2 Ra1 55.Ke3 Rd1 56.Rd5 Re1 57.Kf4 Ke6 58.Re5 Kd6 59.Re8 Rf1+/– ½–½. Partikas,Valentinas A (2375) – Wellens,Jakob (2325), ICCF corr Baltic Sea tt–7 bd13, 2002.

7.d3 Re8 (7...dc4!? 8.dc4 Na6=+) 8.0-0= Nbd7 (8...Na6 9.a3=) 9.Nbd2 e5 10.cd5 (10.a3 b6=) 10...Nd5 11.a4 (11.Qb3!?=) 11...Nb4=+ 12.Qb3 (12.Qb1 a5-/+) 12...a5-/+ 13.Rac1 Qe7 14.Ne4 h6 15.Nfd2 Kh7 (15...Nb6 16.h3-/+) 16.Nc4=+ f5 (16...Rd8 17.Qa3=+) 17.Ned6 Rd8 (better 17...Nc5 18.Qa3 Rd8 19.Nc8 Rac8=+ (worse 19...Rdc8 20.Nb6+/-)) 18.Rfe1?? (better 18.Nc8 Rdc8 19.Na5=) 18...Nc5-+ 19.Qa3 (19.Nc8 Rac8 20.Qa3 Nbd3 21.Bd3 Rd3 22.Rc3-+) 19...Rd6 20.Nd6 Qd6 21.d4 ed4 (21...ed4 22.Bd4 Bd4 23.ed4 Ne4-+) 0-1. Arnaud_Paris - Lance5500 (2545), lichess.org, 2021.

7.d4 Na6 8.a3 e6 (8...dc4 9.Bc4 Nc7 10.0-0=) 9.0-0+= dc4 10.Bc4 b5 (10...Nc7 11.Qc2+=) 11.Bb3 Bb7 12.Qc2 Nc7 13.Ne5 Nd7 (13...Ncd5!?+/–) 14.Nc6+– Bc6 15.Qc6 Nb8 (15...Rc8 16.a4+/–) 16.Qf3 Nd7 17.Rc1 a6 18.Nd2 Rc8 19.Rc2 e5 20.Rac1 ed4 21.Bd4 Bd4 22.ed4 Nf6 23.d5! Qd6 24.Rc6 Qd8 25.d6 Re8 26.Nf1 (26.Nf1 Kg7 27.Rc7 Rc7 28.dc7+–) 1–0. woschkat (1995) – lessmith, net–chess.com, 2001.

7.d4 Nbd7 8.c5 Qc7 (8...a5 9.Qb3=) 9.a4 (9.Nc3 Re8=) 9...Re8 (9...b6 10.0-0=) 10.Nc3 (10.a5 Ng4=) 10...Ne4 (10...a5 11.b5 e5=) 11.b5 (11.Ne4 de4 12.Ng5 Nf6+=) 11...e6 (11...Qa5 12.Rc1 cb5 13.ab5 Ndc5 14.dc5+/–) 12.a5 (12.Rc1 Nc3 13.Bc3 f6+=) 12...e5 (12...Ndc5 13.Qc2 Nc3 14.Bc3=+) 13.a6 (13.Ne4!? de4 14.b6=) 13...ed4=+ 14.ed4 (14.Nd4 Ndc5 15.Rc1 Bd4 16.Qd4 Nb3 17.ab7 A) 17...Qb7 18.bc6 Qc6 19.Ne4 Nd4 20.Rc6 Nc6 21.Nf6 Kf8 22.Ba3 Re7 23.Nd5+= (< 23.Nh7 Kg7 24.Be7 Ne7=+); B) 17...Bb7 18.Ne4 Nd4 19.Nf6 Kf8 20.Bd4 Qa5 21.Kd1 Re6 (21...cb5 22.Ra1 Qc7 23.Rc1–/+) 22.Nd7 Kg8–+) 14...Ndf6 (14...Nc3 15.Bc3 Nc5 16.Bb4–/+) 15.0-0 Rb8 (15...ba6 16.bc6 Rb8 17.Qc2 Rb2 18.Qb2 Nc3 19.Ba6 Ba6 20.Ra6 Ne2 21.Kh1–/+) 16.ab7 (16.Ne5 Nc5 17.ab7 Rb7 18.Nc6= (< 18.dc5 Qe5 19.Re1 cb5–/+)) 16...Bb7 (better is 16...Rb7 17.Rb1 cb5 18.Bb5 Re7=) 17.Ra7+/– Qc8 (17...cb5 18.Bb5 Re6 19.Qd3+/–) 18.b6+– Ra8 19.Qa4?? (better is 19.Ra8 Qa8 20.Re1+–) 19...Nc3–+ 20.Bc3 Re2 21.Ne5 (21.Ra8 Ba8 (21...Qa8?! 22.Qa8 Ba8 23.Ra1–/+) 22.Qd1 Qe6–+) 21...Ne4 22.Be1 f6 23.Nd3 Bh6 24.f3 Nd2 25.Rf2 Re1 26.Ne1 Be3 27.Nc2 Bf2 28.Kf2=+ Nc4 29.Ne3 Ne3 30.Ke3 Ra7 31.Qa7 Qa8 32.Qa8= Ba8 33.g4 Bb7 34.g5? Kf7 35.Kf4 fg5 36.Ke5 Kg7 37.Kd6+– g4 38.Kc7?? gf3–+ (39.Kb8 f2 40.Kb7 f1Q 41.Kc6 Kf6–+) 0–1. toll (1920) – TalA (1955), ICC, 2003.

7.h3 a5 8.b5 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Qe2 Bb5 12.Qb5 Nc6 13.0-0 (worse is 13.Qb7 Nb4 14.0-0 Rb8–/+) 13...Nb4 14.Na3 (worse is 14.Qb7 Nc2 15.Rc1 Na1 16.Ba1 Rc8–/+) 14...Qd5 15.Qd5 ½–½. Giardelli,Sergio Carlos (2435) – Bronstein,Luis Marcos (2370), Buenos Aires op GP3, 1991.

7.h3 Na6 8.a3 Nc7 9.0-0 dc4 10.Bc4 a5 11.Nc3 ab4 12.ab4 Ra1 13.Qa1 Be6 14.Be6 Ne6 15.b5 Nd5 16.bc6 bc6 17.Ne4 Bb2 18.Qb2 Qb6 19.Qb6 Nb6 20.Rc1 Rc8 21.Kf1 f6 22.d4 Kf7 23.Ke2 Rc7 24.g4 Nd5 25.h4 Nd8 26.Nfd2 Ra7 27.Nc4 Ra2 28.Kf3 Kg7 29.Nc5 h6 30.Rb1 Rc2 31.Na5 f5 32.gf5 gf5 33.Rb8 Nf7 34.Nc6 Nd6 35.Ne5 Nc3 36.Ne6 Kf6 37.Nf4 Nce4 38.Rf8 Kg7 39.Ne6 Kh7 40.Nd3 Rd2 41.Nef4 Kg7 42.Rb8 Rd1 43.Rb2 Rh1 44.Kg2 Rd1 45.Ne5 Ra1 46.Rc2 Ne8 47.Nc6 Kf7 48.Nd5 Ke6 49.Nde7 N8f6 50.Ng6 Ng4 51.Nce5 Ne5 52.Ne5 Kd5 53.Nd3 Ra8 54.Nf4 Kd6 55.Rb2 Rg8 56.Kf3 Kc6 57.Ra2 Nd6 58.Ra6 Kc7 59.Nd5 1–0. Miltner – Bletz, BL 1991.

7.h3 Qb6 8.Qb3 a5 9.ba5 Qa5 10.–0 dc4 11.Bc4 b5 (11...Ne8 12.Rd1=) 12.Be2 (12.Bf7 Rf7 13.Ng5 Nd5 14.Nf7 Kf7=) 12...Na6 (12...Be6 13.Qd1=) 13.a3 Nc5 14.Qc2 Na4 15.Be5 c5 16.Nc3 Bf5 (16...c4 17.Nd4 Nc3 18.dc3+=) 17.d3 (17.e4!? Bc8 18.Nb5+/–) 17...c4 (17...Rfc8 18.e4 Bd7 19.Na4 Qa4 20.Qd2=) 18.Na4 Qa4 19.Qa4 Ra4 20.dc4 bc4 21.Rfc1 Rc8 22.Nd2 Ne4 23.Nc4 (23.Rc4? Be5 (23...Nd2?! 24.Ra4 Be5 25.Re1=) 24.Ra4 Nc3–+ (24...Ba1 25.Ne4 Rc1 26.Kh2=; worse is 24...Nd2 25.Re1=)) 23...Be5 24.Ne5 Rc1 25.Rc1 Ra3 ½–½. Novkovic,Milan (2375) – Forster,Richard (2460), SUI–chT Switzerland, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

7.h3 dc4 8.Bc4 Ne4 9.Bg7 Kg7 10.a4+=.

8.a3 Bg4 9.Qb3 dc4 10.Qc4 Qd5 11.Qc2 ab4 12.ab4 Ra1 13.Ba1 Qe4 (13...Qd6 14.Bf6 ef6 15.Qc4 Bf3 16.Bf3= (worse is 16.gf3 b5 17.Qc5 Qd8+=)) 14.Qb3 Qd5 (14...Bf3 15.Nc3 Qf5 16.Bf3=) 15.Qc2 (15.Bc4 Qh5 16.Bf7 Rf7+=) 15...Qe4 16.Qb3 Qd5 Twofold repetition (16...Qf5 17.Nd4 Qc8 18.f3=) 17.Qc2 (17.Bc4 Qd7 18.Ne5+/–) 17…Qe4 ½–½. Alvarez Garcia,F – Quintero Torres,P (2075), Alameda de Osuna op 8th, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 a5)

8.ba5 Qa5 9.Bc3 Qa7=.

8.ba5 Qa5 9.Bc3 Qd8=.

8.b5 a4 9.a3 (9.Na3 cb5 10.Nb5 Nc6+=) 9...cb5 10.cb5 Nbd7 11.Nc3 Nb6 12.Rc1 Bg4 (12...Ne4 13.d3 Nc5 14.Qc2+=) 13.d4 Bf3 14.Bf3 Qd6 (14...e6 15.Rc2=) 15.e4 de4 16.Ne4 Ne4 17.Be4 Qd7 18.Qe2 Nc8 19.Rfe1 (19.Rc5 Nd6+=) 19...Nd6= 20.Bd3 Rfe8 (20...e6 21.g4=) 21.b6+= Rac8 22.Rc8 Rc8 23.Qe7 Qe7 24.Re7 Rc6 25.d5 Rb6 26.Bg7 (better is 26.Bc1!?=) 26...Kg7–/+ 27.Rd7 Kf8 (27...Rb3 28.Bf1 (28.Rd6? Rd3 29.Kf1 Ra3–+) 28...Ne4 29.g4–/+) 28.Bc2 Ke8 29.Rc7 Kd8 30.Rc5 Rb2 31.g3 b5 32.Kg2 Ke7 33.Kh3? (33.Bd3 Rb3 34.Be2 Ne4 35.Rb5 Nc3–/+) 33...Ra2 (better is 33...b4 34.ab4 a3–+) 34.Rc3–/+ Kf6 (34...Nc4 35.Ba4 Ra3 36.Ra3 Na3 37.Bb3–/+) 35.f4+= h6 36.Kg4 (36.g4 Ke7+=) 36...h5 37.Kf3? (37.Kh3 Rb2 38.Rc6 Ke7 39.Rc7 Ke8–/+) 37...Ke7 (37...Nc4 38.Ke4 Ra3 39.Kd4 Rc3 40.Kc3–+) 38.Rc7? (better is 38.f5+=) 38...Kd8–+ 39.Rc3 (39.Rc6 Ra3 40.Ke2–+) 39...Nc4 (39...b4 40.Rc6 Ra3 41.Ke2–+) 40.Ba4? (better is 40.Ke4–/+) 40...Ra3 (better is 40...Nd2 41.Ke3 ba4–+) 41.Ra3= Na3 42.Bb3 Nc4?? (better is 42...Kd7=) 43.g4?? (better is 43.Bc4 bc4 44.Ke3+–) 43...hg4 (better is 43...Nd2 44.Ke3 Nb3–+) 44.Kg4= Ke7 45.Kg5 Nd6 46.Bc2 White prepares f5 46...b4 47.h4 Kf8 48.Kf6 Ne8 49.Ke5 Ke7 50.f5 gf5 51.Kf5 (51.h5 Nd6+=) 51...Nd6 52.Kg5 f6 53.Kg6 f5 54.Kg5 (54.h5!? Kf8 55.Kf6+/–) 54...Kf7+= 55.h5 Kg7 56.Bd1 Kh7 57.Kf6 ½–½. Zarubitski,Viachaslau (1980) – Sieciechowicz,Marcin (2435), Saint–Lo FRA, Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Be2 c6 7.0-0 a5)

8.b5 cb5 9.cb5 a4 10.d4 Bg4 11.Ba3 Re8 12.Nbd2 Nbd7 13.Rc1 Qa5 14.Qc2 Bf8 15.Qc7+/– Qa7 16.h3 Bf3 17.Nf3 e6 (17...Qb8 18.Qb8 Rab8 19.Rc7+/–) 18.Bf8 Rf8 19.Ne5 (19.Rc2 b6+/–) 19...Rfd8 20.f4 (20.Ng4 Ng4 21.hg4 Nb6+=) 20...Ne8+= 21.Qc3 Nd6 (21...f6 22.Bg4 Ng7 23.Nd7 Rd7 24.Rf2+=) 22.Qa3 (22.Qb4 Nf5 23.Rc7 Ne5 24.fe5 Qb6+/–) 22...Nf6 (22...Qb6 23.Rc2+=) 23.Rc7 (23.Bd3 Qa5+=) 23...Nfe8 24.Rc2 (24.Re7 Qa5+=) 24...Rdc8 25.Rfc1 Rc2 26.Rc2 Qa5 27.Qc1 a3 (27...Nb5? 28.Rc5 Ned6 29.Bb5 Nb5 30.Qf1+–) 28.Bd3 Qb4 (28...Nb5? 29.Rc5 Ned6 30.Bb5 Nb5 31.Qf1+–) 29.Rc3 (29.Nd7 Rd8 (29...Nb5? 30.Bb5 Qb5 31.Rc8 Qd7 32.Ra8+–) 30.Nc5 Rc8=) 29...Qb2 30.Rc2 Qb4 31.Kh2 (31.Rc5 Qb2 32.Qc2 Kg7=) 31...Kg7 (31...Nb5 32.Bb5 Qb5 33.Rc8=) 32.Rc3 Qb2 ½–½. Heinzel,O (2400) – Wittmann,W (2335), GM, Balatonlelle HUN, 2004.

8.b5 dc4 9.Bc4 cb5 10.Bb5 Qb6 11.Qa4 Nc6 12.Na3 Nb4 13.Nc4 Qd8 14.Nce5 Bf5 15.Rfc1 Ng4 16.a3 Ne5 17.Be5 Be5 18.Ne5 Nd3 19.Bd3 Bd3 20.Rc3 Bf5 21.d4 Qb6 22.Rac1 Qb2 23.Nc4 Qe2 24.Nb6 Ra6 25.Nd5 Be4 26.Nf4 Qb2 27.f3 Rc6 28.Qa5 Rfc8 29.Rc6+– Bc6 30.Qc3 Qb6 31.Qb4 Qd8 32.h4 e6 33.Qe1 Ra8+= 34.Rc3 Qb6 35.Nd3 Bb5 36.Nb4 Qd6 37.g3 e5 38.Qf2 ed4 39.ed4 Re8 40.Rc2 h5 41.Kg2 Ra8 42.Rc3 Rd8 43.d5 Qf6 44.Re3 Rc8 45.g4 Rc4 46.Re4 hg4 47.Rc4 gf3 48.Qf3 Qf3 49.Kf3 Bc4 50.Ke4 Kf8 51.Kd4 Be2 52.Ke5 Ke7 53.d6 Kd7 54.Nd5 Kc6 55.Ne7 Kd7 56.Ng8 Bc4 57.Nf6 Kc6 58.Ne4 Be6 59.Ng5 Bb3 60.Kf6 Kd6 61.Nf7 Kc5 62.Kg6 Bd1 63.Kf5 Kc4 64.Nd6 Kb3 65.Nb7 Ka3 66.Nc5 Kb4 67.Nd3 Kb5 68.Nf2 Bh5 69.Kg5 Be8 70.Nd3 Kc6 71.Nf4 Kd7 72.Kf6 1–0. Panno,Oscar (2515) – Duarte,Marcelo R (2350), Santiago zt Santiago de Chile, 1987.

8.b5 dc4 9.Bc4 cb5 10.Bb5 Qb6 11.Qa4 Bd7 12.Nc3 Bb5 13.Nb5 Na6 14.Rab1 Nc5 15.Qa3 Qc6? (better 15...Rfc8+=) 16.Bf6+- Bf6 17.Rfc1 b6 18.d4 Qe4 (18...Rfc8 19.dc5 bc5 20.Rc4+-) 19.dc5 bc5 20.Qc5 Rac8 21.Qc8 Rc8 22.Rc8 Kg7 23.Rcc1 Qa4 24.a3 Qe4 25.Nd2 Qd3 26.Nc4 a4 (26...Qd8 27.Rd1 Qa8 28.Rbc1+-) 27.Nb6 Qe4 28.Rb4 Qb7 (28...Qd3 29.Na4 Qd2 30.Rcb1+-) 29.Nc7 e6 (29...Kh6+-) 30.Nd7 Qa6 (30...Qb4 31.ab4 Bb2+-) 31.Na6 1-0. Pereira – Adlai, internet, 2021.

8.b5 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Na3 Na6 12.Bd7 Qd7 13.Nc4 Qc7 14.Rc1 b5 15.Nce5 Qb7 16.Nc6 Nb8 17.Ncd4 Nbd7 18.Qb3 (better 18.Qc2!?+=) 18...Ne4=+ 19.Rc2 (19.Nb5? Nec5 20.Qc4 Bb2-+) 19...b4 20.Rfc1 Rfc8 21.Rc8 Rc8 22.Rc8 Qc8 23.Qd5 Ndc5 24.Nc6 Qc7 (24...e6!? 25.Ne7 Kf8 26.Bg7 Ke7-/+) 25.Bg7 Kg7 26.d3 e6 27.Qd4 Kg8?? (better 27...f6 28.de4 Qc6=) 28.Nfe5+- (28.de4?! Qc6 29.Qd8 Kg7 30.Qd4 e5 31.Ne5 Qe4 32.Nc4 Qd4 33.ed4 Ne6 34.Na5 Nd4=) 28...b3 (28...Nd3 29.Qd3 (29.Qe4? Ne5 30.Qe5 Qc6-+) 29...Nc3 30.Qc4+-) 29.ab3 (29.de4?! ba2 30.Qa1 f6 31.Qa2 Qd6=) 29...f6 30.de4 Nb3 31.Qd7 Nc5 1-0. Gunawan,Ronny (2245) - Ma,Lin (2025), 5th Johor Open, 2018.

8.b5 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Qa4 Nc6 12.Na3 Nb4 (12...Be6 13.d4=) 13.Bd7 Nd7 14.Bg7 Kg7 15.d4 Rc8 16.Nb5 Nf6 17.a3 Nbd5 18.Qb3 Qb6 19.Rab1 Qa6 20.a4 e6 21.Rfc1 Nb4 22.Ne5 Nfd5 23.Nc4 Rc6 24.Ne5 Rc1 (24...Rcc8 25.e4 Nf6+/–) 25.Rc1+/– f6 26.Nd7 Rd8 27.Nc5 Qb6 28.g3 (28.e4 Nf4 29.Kf1 Na6+–) 28...f5+/– 29.Re1 (29.f3!? Kf7 30.e4+/–) 29...Re8 30.e4 fe4 31.Re4 Re7 32.Qf3 Nf6 (32...Na6 33.Qa3+=) 33.Re5+/– Nbd5 34.h4 h5 (34...Qc6!? 35.Qe2 Kf7+=) 35.Qd3 Re8? (better is 35...Nd7!? 36.Nd7 Rd7+/–) 36.Rg5+– Ne7 37.Nc7! 1–0. Jaracz,P (2575) – Jaracz,B (2265), Dresden GER, 2011.

8.b5 dc4 9.bc6 Nc6 10.Na3 Be6 11.Bc4 Bc4 12.Nc4 b5 13.Nce5 Ne5 14.Be5 Qd5 15.d4 Rfc8 16.Qd3 b4 17.Qb3 Rc3 18.Qd5 Nd5 19.Bg7 Kg7 20.Rfb1 Rac8 21.Ne1 f5 22.g3 Nf6 23.Kf1 Ne4 24.Rb2 Rc1 25.Rc1 Rc1 26.a3 b3! 27.f3 Ng5 28.Ke2 a4 29.h4 Nf7 30.Nd3 Ra1 31.Nc5 Ra3 32.Na4 Ra4 33.Rb3 Ra2 34.Kf1 Nd6 35.Rc3 Kf6 36.Rc5 Ke6 37.g4 Rh2 38.Re5 Kf6 39.h5 gh5 40.gh5 Nc4 41.Kg1 Rh5 42.Rc5 Ne3 43.Kf2 Nd1 44.Ke2 Nb2 45.Ke3 Rh2 46.d5 Nd1 47.Kf4 Rh4 48.Kg3 Rd4 49.f4 Ne3 50.Rc6 Kg7 51.Re6 Nd5 52.Re5 Kf6 53.Re1 Nf4 54.Ra1 e5 55.Kh4 Ng2 56.Kh3 Rg4 57.Ra6 Kg5 58.Kh2 Ne3 59.Ra7 h5 60.Kh1 Kf4 61.Ra4 e4 62.Ra3 Kf3 63.Kh2 f4 64.Kh3 Rg8 65.Kh2 Ke2 66.Ra2 Kd3 67.Ra3 Kd4 68.Ra7 f3 69.Ra6 f2 70.Ra5 Rg2 (70...Rg2 71.Kh3 f1Q 72.Ra4 Nc4 73.Rc4 Kc4 74.Kh4 Qh1) 0–1. Reis,Luis Sousa (2225) – Durao,Pedro (2140), Young Masters, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 a5)

8.b5 Nbd7 9.cd5 cd5 10.d4 Nb6 11.Nbd2 a4 12.Ba3 Bg4 13.Ne5 Be2 14.Qe2 Nfd7 15.Nd3 Re8 16.Rac1 e5 17.Nc5 ed4 18.Nb7 Qb8 19.Bd6 Qb7 20.Rc7 Qb8 21.Rd7 Qc8 22.Rc7 Qd8 23.Qf3 Bf6 24.Rc6 Rc8 25.Rfc1 Re6 26.Bg3 d3 (26...de3 27.fe3 Rec6 28.bc6=) 27.Qg4 Rec6 28.bc6 Qe8 29.c7 Be5 30.Qb4 Na8? (better is 30...Bg3!? 31.Qb6 Be5=) 31.Be5+/– Qe5 32.Nf3 (32.Qa4!? Kg7 33.Nb3+/–) 32...Qe8+= 33.Qd6 Qe6? (better is 33...Rc7!? 34.Rd1 Qc6 35.Qd8 Kg7=) 34.Qd8+/– Qe8?? (better is 34...Kg7 35.Nd4 Qa6 36.Qd5 d2+/–) 35.Qe8+– (35.Qe8 Re8 36.c8Q Rc8 37.Rc8 Kg7 38.Ra8+–) 1–0. Petrova Kalmukova,Marlen (2130) – Zlatanova,Emilia (2110), BUL–ch (Women), 1987. (=1.Nf3 Nf6 2.b4 c6 3.c4 d5 4.e3 g6 5.Bb2 Bg7 6.Be2 0-0 7.0-0)

8.b5 Re8 9.h3 (9.cd5 cd5 10.Nc3 Nbd7=) 9...Nbd7 (9...dc4 10.Bc4 cb5 11.Bb5=) 10.Nc3 (10.cd5 cd5 11.Nc3 e5=) 10...Nb6 11.c5 Nbd7 (11...Nc4 12.Bc4 dc4 13.bc6 bc6 14.Ne5=) 12.bc6 (12.d4 e5+=) 12...bc6= 13.Qa4 (13.d4 Rb8 14.Rb1 Qc7=) 13...Rb8 (13...Ne4 A) worse is 14.Ne4 Bb2 (14...de4?! 15.Nd4=) 15.Nc3 Ba1 16.Ra1 Qc7–/+ (16...Nc5?! 17.Qc6 Nb7 18.Bb5=); B) 14.Qc6 Rb8 15.Rab1= (worse is 15.Ne4 Bb7 16.Qa4 Bb2+=)) 14.Ba3 Ne4 15.Rac1 (15.Ne4!? Ba1 16.Ra1 de4 17.Qe4=) 15...Bc3+= 16.dc3 Qc7 (16...Bb7 17.c4 Ndc5 18.Qc2=) 17.Nd4= Bb7 (worse is 17...Ndc5 18.Qc6 Qc6 19.Nc6+/–) 18.Nb3 Ra8 19.c4 d4 (better is 19...Ba6=) 20.Bf3 (better is 20.ed4 e5 21.f3=) 20...Nc3–/+ 21.Rc3 dc3 22.Nd4 (22.Rc1 Qe5–/+) 22...e5 23.Nc2 e4 24.Be2 Rab8 (24...Qe5 25.Rd1 Nc5 26.Bc5 Qc5 27.Qb3–/+) 25.Nd4 Re5 26.Qc2 Nc5 27.f4 ef3 28.Nf3 Ne4 29.Ne5 Qe5 30.Bd3 (30.Bc1!?–/+) 30...Nd2–+ 31.Re1 (31.Rf2 Rd8 (worse is 31...Qe3 32.Bc5 Qc5 33.Qc3–+) 32.Re2 c5–+) 31...c5 32.Re2 Rd8 33.Kf2 (33.Bc5 Qc5 34.Qc3–+) 0–1. Caminade – Lopez Garcia Riano,M, Burdeos op, 1964.

8.b5 Bg4 9.d3 Nbd7 10.Nbd2 a4 11.bc6 bc6 12.Ba3 Re8 13.h3 Bf3 14.Bf3 Qa5 15.Qc2 e6 16.Rab1 Reb8 17.Bd6 Rb1 18.Rb1 Ne8 19.Bb4 Qa7 20.Ba3 Ne5 21.Be2 Nd7 22.Nf3 h6 23.cd5 cd5 24.Qc6 Nef6 25.d4 Rb8 26.Rb8 Qb8 27.Bb5 Kh7 28.Nd2 Bf8 29.Bf8+/– Qf8 30.Ba4 Qb4 31.Qc2 Nb6 32.Bb3 Kg7 33.g3 h5 34.Kg2 Ne8 35.Nf3 Nc4 36.e4 de4 37.Qe4 Ned6 38.Qc6 Na5 39.Qc7 Ndc4? 40.Ng5+– Nb3 41.ab3 Nd6+/– 42.Ne6 Kf6 43.Nc5 Qd4 44.Qd6 (44.Qd6 Qd6 45.Ne4 Ke5 46.Nd6 Kd6 47.Kf3+–) 1–0. Neizvestnykh,Vitalij – Lykov,Vasili, RUS–ch sf Arkhangelsk, 1996. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Be2 d5 6.0-0 c6 7.c4 a5)

8.b5 Bg4 9.cd5 cd5 10.Qb3 Nbd7 11.Rc1 Nb6 (11...a4 12.Qb4=) 12.d3+= Re8 13.Be5 (13.h3 a4 14.Qb4 Bf3 15.Bf3 e5=) 13...Nfd7 14.Bg7 Kg7 15.Nbd2 e5 16.Rc2 Qe7 17.Rac1 Qd6 (17...a4 18.Qb2 a3 19.Qb3=) 18.h3 Bf5 19.Qb2 a4 (19...Na4 20.Qb3 Nab6 21.Rc7+=) 20.Rc7 (20.e4 de4 21.de4 Be6+=) 20...Rec8= 21.Rc8 Rc8 22.Rc8 Nc8 23.Qc3 Ncb6 24.d4 e4 25.Ne1 Be6 26.Nc2 f5 27.Nb1 Kf7 28.Qb4 Ke7 29.Nc3 Qb4 30.Nb4 Kd6 (30...g5 31.Bd1+=) 31.Bd1 a3 32.Bb3 d5 draws heavy fire 32...Nc4 33.Bc4 dc4 34.Nc2 Kc7 35.Na3 (35.Kf1 Kb6+=) 35...Kb6= 36.d5 Bg8 37.Nc4 Kc5 38.Nb2 Kb4 (38...Nb6 39.d6 Kd6 40.Kf1=) 39.Nbd1+= Kc5 40.g4 Nb6 Will d5 fall? 41.gf5 gf5 42.a4 (42.d6!?+=) 42...Nd5= 43.a5 Nc3 44.Nc3 Bc4 45.a6 ba6 46.ba6 Ba6 47.Kg2 Bc4 48.Nb1 (48.f3!?+=) 48...Kb4–/+ 49.Nd2 Bd3 50.Nf1 Bf1 51.Kf1 Kc3 52.Ke2 Kc2 53.Ke1 Kc1 54.Ke2 Kc2 ½–½. Kurajica,Bojan (2495) – Lamard,Guillaume (2330), Cannes FRA, 2014. (=1.Nf3 Nf6 2.c4 c6 3.e3 d5 4.Be2 g6 5.b4 Bg7 6.Bb2 0-0 7.0-0 a5)

8.cd5 ab4 9.dc6 Nc6 10.a3 Qd6 11.ab4 Ra1 12.Ba1 Qb4 13.Ne5 Ne5 14.Be5 Bf5 15.Nc3 Rd8 16.Qc1 Ne4 (16...b6 17.Qe1=) 17.Bg7 Kg7 18.Ne4 Be4 19.Rd1 Qd6 20.d4 Ra8 21.Qc5 (21.f3 Bd5+=) 21...Qc5= 22.dc5 Rc8 (better is 22...Ra2 23.Bf1 e5=) 23.Bf3 (better is 23.f3 Bc2 24.Rc1+=) 23...Bf3–/+ 24.gf3 Rc5 25.Rd7 Rb5 26.Re7 Kf6 27.Rc7 g5 28.Kg2 Rb4 29.h4 (29.e4 b5+=) 29...gh4–/+ 30.f4 Rb1 31.e4 Rb3 32.f3 h3 (32...b5!?–/+) 33.Kh3+= Rf3 34.Kg4 Rb3 35.e5 Ke6 36.f5 Ke5 37.Rf7 Rb1 38.Rh7 ½–½. Spiridonov,Niko1 (2355) – Antal,Ge (2490), Open, Albena BUL, 2009.

8.cd5 cd5 9.b5 Nbd7 10.Nc3 e5 11.Na4 Re8 12.d4 e4 13.Ne5 Nf8 14.f3 N6d7 15.Nd7 Bd7 (15...Qd7? 16.Nb6 Qd6 17.Na8+-) 16.fe4 Re4 17.Nc3 Re3 18.Nd5 Re8 19.b6?? (better 19.Rc1 Rc8 20.Rc8 Bc8 21.Bc4+=) 19...Ba4!-+ 20.Qa4 Re2 21.Qc4 Rb2 22.Rf7 Rc8?? (better 22...Kh8 23.Kh1 Qh4-+) 23.Rc7+- Bd4?? (better 23...Kh8 24.Rc8 Qg5+-) 24.Qd4 Ne6 25.Qb2 (25.Qb2 Nc7 26.Nf6 (26.bc7?! Qd5 27.Rc1 b5+=) 26...Kf7 27.Rf1+-) 1-0. He,Ping (1810) - Geng,Tiankai, 2nd Binhai Cup, lichess.org, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0)

8.cd5 Nd5 9.Bg7+= Kg7 10.ba5 Qa5 11.Qb3 Qb4 12.Nc3 ½-½. Gasa,Patrik (2185) - Istona,Martin (2235), Skalica SVK, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0)

10.Ba1 Na6 11.Qb3 Be6 12.Na3 Qb6 13.Nd4 (13.Rb1!?=) 13...dc4+= 14.Nc4 Bc4 15.Bc4 Qb4 16.Ba6 Qb3 17.Nb3 ba6 18.Rc1 Rc8 19.Nd4 (better is 19.Bf6!? ef6 20.Nc5+=) 19...Nd5 20.e4 Nf4 21.Kf1 c5 22.Nb3 Nd3 23.Rb1?? (23.Rc4 Ba1 24.Na1 e5–/+) 23...Ba1 (better is 23...Rb8 24.Bg7 Kg7–+) 24.Ra1 Rb8 25.Na5 Kf8 26.Nc4 Rb4 27.Ne3 Rb6 28.Ke2 Ne5 29.f4 Nd7 30.Nc4 Re6 31.d3 Ke8 32.Rb1 Kd8 33.Rb7 Kc8 34.Ra7 Rc6 35.Ke3 f6 36.g4 h6 37.h4 e6 38.Ra8 Nb8 39.Ra7 Rc7 40.Nd6 Kd7 41.Rc7 Kc7 42.Ne8 Kc6 43.Nf6 a5 44.f5 ef5 45.ef5 gf5 46.gf5 a4 47.Kd2 Kd6 48.Ng4 h5+= 49.Nf6 Ke5 50.Nh5 Kf5 51.Ng3 Kg4 52.Ne4 Nd7 53.Kc3 Kh4 54.Kc4 Kg4 55.Nc3 a3 56.Kb3 Ne5 57.Ka3 Nd3 58.Kb3 Kf3 59.Kc4 Nb2 60.Kb3 c4 61.Kb2 Ke3 62.Kc2 Kd4 63.Na4 c3 64.Nb6 Kc5 65.Nd7 Kd6 66.Nf6 Ke5 67.Ng4 Ke6 68.Ne3 Kd6 69.Nd1 Ke6 70.Kd3 Kd6 71.Kc2 Ke6 72.Nf2 Kd6 73.Ne4 Ke6 74.Nf2 Kd6 75.Ng4 Ke6 76.Nh2 Kd6 77.Kc1 c2 78.Nf1 Kc5 79.Nd2 Kd4 80.Nf3 Ke3 81.Ne1 Ke4 82.Ng2 Kf3 83.Nh4 Ke4 84.Ng6 Kf5 85.Ne7 (85.Ne7 Ke4 86.Kc2=). orangutanb4 (1920) – mateivladut (1900), kurnik, 2011.

10.Ba1 dc4 11.Bc4 b5 12.Be2 =+.

10.Ba1 Ne4 11.Bg7+= Kg7 12.d3 Nf6 13.Qc2 Bg4 14.h3 Bf3 15.Bf3 (worse is 15.gf3 e5+=) 15...e6 16.Nc3 Nbd7 17.Ra1 Qe7 18.c5 Rb8 19.Na4 Ra8 20.Ra2 Ne8 21.Qb2 Qf6 22.d4 Nc7 23.Be2 Qd8 24.Nb6 (24.Nc3!?+=) 24...Ra2= 25.Qa2 Nb6 26.cb6 Na8 (better is 26...Ne8!?=) 27.Qa7+/– Qb6 28.Qa8 Qb4 29.Qa2 b6 30.Qc2 c5 31.dc5 bc5 32.h4 h5 33.Bd3 c4 34.Bf1 Qa3 35.g3 Kf6 36.Kg2 Ke5 37.Kf3 Qb3 38.Qb3 cb3 39.Bd3 Kd6 40.Ke2 Kc5 41.Kd2 Kb4 42.Bb1 e5+= 43.f3 f5 44.f4?? ef4?? 45.gf4+= Ka3 46.Kc3 Ka4 47.Kb2 Kb4 48.Bd3 Ka4 49.Ba6 Kb4 50.Bd3 Ka4 51.Be2 Kb4 52.Ba6 Ka4? 53.Bb7 Kb4 54.Bd5 1–0. orangutanb4 (2030) – anamarija86 (1855), kurnik, 2011.

10.Ba1 Bg4 11.c5= Nbd7 12.d4 Qc7 13.Nbd2 Re8 14.b5 Bf3 15.Nf3 Ne4 16.b6+= Qb8 17.Bd3 e5 18.Be4 de4 19.Nd2 ed4 20.ed4 Nf6 21.Nc4 Qf4 22.g3 Qg5 23.Nd6+= Re7 24.Bc3 e3 25.f4 Qd5=+ 26.Qe2 Ne4 27.Qe3?? Nc3 28.Qe7= Bd4 29.Rf2 Bc5 30.Qd8 Kg7 31.Ne8 Kh6 32.Qh4 Qh5 33.Qh5 Kh5 34.Kg2 Bf2 35.Kf2 Nd5 36.Nd6 Nb6 37.Nb7 f5 38.Nc5 g5 39.fg5 Kg5 40.Kf3 Nd5 41.h3 Kf6 42.Nd3 Nc7 43.g4 Ne6 44.Nb4 c5–+ 45.Nd5 Ke5 46.Nc3 Ng5 47.Kg2 f4 48.Na2 Kd4 49.h4 Ne6 50.Kf3 Ke5 51.Nc3 Nd4 52.Kf2 c4 53.Kg2 f3 54.Kf2 Kf4 55.Nd5 Kg4 56.Ne3 Kh4 57.Nc4 Kg4 58.Ne5 Kf4 59.Nd3 Ke4 60.Nc5 Kf5 61.Nd3 h5 62.Ke3 Kg4 63.Kd4–/+ Kg3 64.Ke3= h4 65.Nf2 Kg2 66.Nh3 ½–½. Mielke,Sven – Schinke,Andreas, Ryck–Open Greifswald, 1997.

10.Ba1 Nh5 11.Nc3 Nf6 12.Qb3 Bg4 13.h3 dc4 14.Qa2 (14.Qc4 Bf3 15.Bf3 Qd2=) 14...Be6 (better is 14...Bf3!? 15.Bf3 b5–/+) 15.Bc4= Bc4 16.Qc4 e6 17.b5 Nd5 18.Nd5 Qd5 19.Qd5 ed5 (worse is 19...cd5 20.Bg7 Kg7 21.Rc1+–) 20.Bg7 Kg7 21.Nd4 c5 22.Nb3 b6 23.Ra1 Rd8 24.Ra7 Kf6 25.Rb7 Nd7 26.Kf1 Ke6 27.Ke2 h5 28.Ra7 Kd6 29.d3 f6 30.e4 de4+= 31.de4 h4 32.f3 Ke5 33.Nd2 Kd4 34.Ra4 Kc3 35.Rc4 Kb2 36.Kd1? Ne5–/+ 37.Rc2 Ka3 38.Kc1 Nd3 39.Kb1 Nb4 40.Rb2 Ka4 41.f4 Kb5 42.e5 fe5 43.fe5 Ka4 44.Nc4?? Rd1 0–1. orangutanb4 (2045) – anamarija86 (1840), kurnik, 2011.

8.a4 Bg4 9.b5 (9.c5 Nbd7=) 9...ab5 10.ab5 Ra1 11.Ba1 e6 12.d4 Bf3 13.Bf3 Nbd7 14.Qb3 h5 15.Bb2 Ng4 16.h3 Nh6 17.Nd2 Nf5 18.bc6 bc6 19.Ba3 Re8 20.Qb7 Qc8 21.Rb1 Qb7 22.Rb7 Ra8 23.Bb4 Nf6 24.Rb6 Ra4 25.cd5 cd5 26.Nb3 Ra2 27.Nc5 Nh4 28.Rb8 Kh7 29.Nb7 Rb2 30.Nd8 Bf8 31.Bd6 Rb8 32.Bb8 Kg7 33.Kf1 Be7 34.Nc6 Bf8 35.Be2 Ne4 36.g3 Nf5 37.Kg2 Ba3 38.g4 hg4 39.hg4 Nfd6 40.f3 Nc3 41.Bd3 Nc4 42.Bc4+/– dc4 43.e4?? Nd1 44.d5 ed5–/+ 0–1. carocan (1825) – 68tomek68 (1760), kurnik, 2011.

8.Qb3 h6 9.Nc3 Be6 10.Nd4 dc4 11.Bc4 Bc4 12.Qc4 b5 13.Qc5? (better is 13.Qe2=) 13...Nfd7–+ 14.Nc6 Nc5 15.Nd8 Nd3 (15...Rd8?! 16.bc5 Rd2 17.Rab1–/+) 16.Nb7 Nb2 17.d4 Nc4 18.Nc5 e6 19.Rfc1 Rd8 20.a4 Nd7 0–1. orangutanb4 (1955) – pelkan (1700), kurnik, 2011.

8.Nc3 b5 9.cd5 cd5 10.Qb3 e6 11.Ne5 Bb7 12.d4 Nbd7 13.Nd7 Qd7 14.Rac1 Qe7 15.a3 Rac8 16.Bf3 Nd7 17.Ne2 Nb6 18.Ng3 Nc4 19.Be2? (19.Rc2 Rc7+=) 19...Nb2 (better is 19...Nd2!? 20.Qd3 Nf1 21.Rf1 Rc7–+) 20.Qb2+= Qd8 21.Rc8 Qc8 22.Rc1 Qb8 23.Rc5 Rc8 24.Qc2 Rc5 25.Qc5 Bf8 26.Qb6 Bd6 27.a4 Qc7 28.Qc7= Bc7 29.ab5 ab5 30.Bb5 f6 31.Bd7 e5 32.de5 Be5 33.b5 d4 34.ed4 Bd4 35.Ne2 Bc5 36.Nc3 g5 37.Kf1 Kf7 38.f3 Ke7 39.Bf5 h6 40.Ke2 Kd6 41.Kd3 Bg1 42.h3 Kc5 43.Bd7 h5 44.Ne4 Be4 45.Ke4 Kb6 46.Kf5 Bd4 47.f4 gf4 48.Kf4 h4 49.Kg4 Bf2 50.Kf5 Bd4 51.Kg4 Bf2 52.Kh5 Bg3 53.Kg6 Be5 54.Kf5 Bg3?? 55.Kf6+– Kc5 56.Kg5 Bf2 57.Kf4 Kd6 58.Bc6 Bg3 59.Ke4 Kc7 60.Kd4 Kb6 61.Kd5 Bf2 62.Kd6 Bg3 63.Kd7 Bf4 64.Kc8 Be3 65.Kd8 Bf2 66.Ke7 Bg3 67.Kf6 Bf2 68.Kg5 Bg3 69.Kg4 Be1 70.g3 Bg3 71.Kf3 Be1 72.Kg2 Bg3 73.Kf1 Bf4 74.Ke2 Bg3 75.Kf3 Kc5 76.Ke4+/– Kd6 77.Kf5 Kc7 78.Kg5 Kb6 79.Kh5 Be1 80.Kh6 1–0. elsh1403 (1610) – szkat8, kurnik, 2011.

8.a3 dc4 9.Bc4 Nc7 10.Qc2 (10.Be5 a5=) 10...Bf5 11.d3 (11.Qc1!?=) 11...b5–/+ 12.Ba2? (better is 12.e4 bc4 13.ef5 Qd3 14.Rc1+=) 12...Bd3–+ 13.Qc1 (13.Qc6 Bf1 14.Kf1 Qd1 15.Ne1 Rac8–+) 13...Bf1 (13...Bf1 14.Kf1 a5–+) 0–1. GuestHYVZ – GuestLCQP, freechess.org, 2016.

8.a3 Nc7 9.Nc3 Re8 10.d4 h6 11.Rc1 Be6 12.Nd2 a5 13.ba5 Ra5 14.Nb3 Ra7 15.Nc5 Bf5 16.cd5 b6 17.Nd3 Ncd5 18.Ne5 Qa8 19.Bf3 Nc3 20.Rc3 Ne4 21.Rc4 Be5 22.de5 Nc5 23.Rh4 Nd3 (23...Rd8 24.Qc1 Kg7 25.Bd4=) 24.Bd4 (24.Qd2 Nb2 25.Qb2 Kg7+/–) 24...Ra3+= 25.Rh6 Kg7 26.Rh4 Nc5 (26...b5 27.g4 Be6 28.Be4+=) 27.h3 (27.e4!? Be6 28.Qc1+/–) 27...Rd8 28.Qd2 Nb3 29.Qb4 Nd4 30.ed4 c5?? (30...Ra1 31.g3 Rf1 32.Kf1 Qa7 33.Bc6 g5=) 31.Qd2+– (31.Qd2 Rh8 32.Ba8 Rh4 33.dc5 Ra8 34.cb6+–; 31.Ba8 cb4 32.Bb7 g5–+; 31.dc5?! Rf3 32.gf3 Qf3 33.cb6 Bh3+/–) 1–0. Nguyen Huynh Minh,Huy (2500) – Duong Thuong Cong (2000), VIE–chT Nha Trang, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 d5 4.e3 Bg7 5.Bb2 c6 6.Be2 0-0 7.0-0 Na6)

8.a3 Nc7 9.Be5 dc4 10.Bc4 Ne4 (10...Be6 11.Be6 Ne6 12.Qc2=) 11.d4 (11.Nc3 Nc3 12.dc3 Be5 13.Ne5 Qd6=) 11...Nd5 12.Bg7 Kg7 13.Qb3 Be6 14.Nbd2 f5 (14...Nd2 15.Nd2 Qd7 16.Ne4=) 15.Ne4+= fe4 16.Ne5 b5 (16...Qd6 17.Qb2+=) 17.Bd5+/– (17.Nc6?! Qd6 18.Bb5 a6=) 17...Bd5 18.Qb2 Qd6 19.Rac1 Exerts pressure on the backward pawn (19.Rfc1 Rfc8+/–) 19...Rf6 20.f3 ef3 (20...a5 21.f4+=) 21.gf3 Raf8? (better is 21...a5 22.ba5 Bc4 (worse is 22...Ra5 23.e4+/–) 23.Nc4 bc4+=) 22.e4+– Be6 23.Rc6 Qd8 24.Rd1 (24.Rfc1!? Bh3+–) 24...Kg8 25.Qf2 a5 26.d5 ab4 27.ab4 Qb8? (27...Bd7 28.Rc5 Rd6+–) 28.Re6 (28.de6?! Qe5 29.Qc5 Qb2=) 28...Re6 29.Nd7 (29.de6?! Qe5 30.Kg2 Qg5 31.Qg3 Qf6=) 29...Qd6 30.Nf8 Kf8?? (30...Re5 31.Qd4 Rg5 32.Kf1 Qh2 33.Ne6 Qg2 34.Ke1 Qg1 35.Kd2 Qd4 36.Nd4+–) 31.Qc5 (better is 31.Qd4 Re5 32.f4 Re4 33.Qe4+–) 31...Rf6 32.Qd6 Rd6 33.Rc1 (33.Ra1 e6 34.Ra8 Kf7 35.Ra7 Kf6+–) 33...Kf7 (better is 33...e6!? 34.de6 Rd4+/–) 34.Rc5 Rb6 35.Kf2 g5 (35...Rb7+–) 36.Kg3 h6? (36...h5+–) 37.Rc6 Ke8 1–0. Huerga Leache,Mikel (2455) – Suarez Uriel,Adrian (2310), 81st Spanish Championship, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Na6)

8.a3 Bg4 9.cd5 cd5 10.Ba6 ba6 11.h3=.

8.b5 cb5 9.cb5 Nc5 10.d4 Nce4 11.Nc3 Bg4 12.Ne4 Ne4 13.h3 Bd7 14.a4 Rc8 15.Rc1 Qb6 16.Rc8 Rc8 17.Kh2 e6 18.Qd3 f6 19.Rc1?? (better is 19.Kg1=) 19...Rc1–+ 20.Bc1 Nf2 (better is 20...Qc7 21.g3 Qc1–+) 21.Qa3 Ne4 22.a5? (better is 22.Kg1–/+) 22...Qc7–+ 23.g3?? (23.Kg1 Nc3 24.Bf1 Bb5 25.Bd2 Bf1 26.Kf1–+) 23...Qg3 24.Kh1 Nf2# 0–1. Neumann,Frank – Kladivko,Vlado, ZN–2011–0-01781, 2011.

8.a3 a5 9.c5 Qc7+= 10.Be5 Qd8 11.Nc3 Nbd7 12.d4 Ne5 13.Ne5 (worse is 13.de5 Ng4–/+) 13...Nd7 14.Nd7 Bd7 15.b5 e5 16.Qa4 ed4 17.ed4 Re8 18.Rab1 Qf6 19.Rfd1 Bf5 (19...Re7 20.bc6 bc6 21.Rb2+=) 20.Rb2 (20.bc6 bc6 21.Rb6=) 20...Be4 (better is 20...Re7!?+=) 21.bc6+/– bc6 (21...Qc6?? 22.Bb5 Qe6 23.Be8 (23.Ne4?! Qe4 24.Be8 Re8+–) 23...Qe8 24.Qe8 (worse is 24.Rb7 Qa4 25.Na4 Bc2+–) 24...Re8 25.Ne4 de4 26.Rb7+–) 22.Rb6 Re6 23.Bf1 (better is 23.f3!? Bf5 24.Rc6 Rc6 25.Nd5+/–) 23...h5 (23...Rd8 24.Ne4 de4 25.Bc4 Rd4 26.g3+=) 24.h3 g5 (24...Rd8 25.Rb2=) 25.Qb3 (25.Ne4 Re4 (25...de4? 26.Bc4 Re7 27.d5+–) 26.Rc6 Rd4 27.Rf6 Ra4+=) 25...Qf4 (25...Bg6 26.Rb8 Rb8 27.Qb8 Kh7 28.Qc7+=) 26.Ne2 (26.Ne4 Re4 27.Bd3 Re6=) 26...Qc7 27.Rb7 Qd8 28.Ng3 Bg6 29.Bd3 h4 (29...Qf6 30.Qb1=) 30.Bg6 fg6 31.Nf1 Re4 (31...Qf6 32.Ne3 Rf8 33.Qb2=) 32.Qa4 (32.Nd2!? Re7 33.Nf3+/–) 32...Qf6= 33.Ne3 (33.Nh2 Rf8 34.Rf1 Re1=) 33...Rf8 34.Rd2? (34.Ng4 Rg4 35.hg4 Qf2 36.Kh1 h3 37.gh3 Qf3 38.Kh2 Qe2 39.Kg1 Qe3 40.Kh1 Qh3 41.Kg1 Qg4 42.Kh1 Rf2 43.Rb8 Kh7 44.Rh8 Kh8 45.Qc6 Qd1) 34...Qf4–/+ 35.Qc6?? (better is 35.Nf1 Re1 36.Qc2–+ (36.Qc6 Qd2 37.Qe6 Kh8 38.Rf7 Rf7 39.Qe8 Rf8 40.Qe3 Qe3 41.Kh2 Qf4 42.Ng3 hg3 43.fg3 Qc1 44.g4 Qf4 45.g3 Qd2)) 35...Re3–+ 36.Qd5 (36.Rb1 Rh3! 37.gh3 Qd2 38.Qe6 Kh7 39.Qe3 Rf2 40.Qd2 (40.Qf2?? Bd4 41.Rb7 Kh6–+) 40...Rd2 41.c6 Bd4 42.Kf1–+) 36...Kh8 37.Rb1 Rh3! 38.gh3 (38.Qe6 Qh2 39.Kf1 Rg3–+) 38...Qd2 39.Rf1 (39.f3 Qe3 40.Kf1 Rf3 41.Qf3 Qf3 42.Ke1 Qe4 43.Kd2 Qb1–+) 39...Bd4 40.Kh1 (40.Qg2 Bc5 41.a4 Kg7–+) 40...Qd3 (40...Rf2 41.Qd8 Kh7 42.Qe7 Kh6 43.Qf8 Rf8 44.Rf8 Qe1 45.Kg2 Kg7 46.Kf3 Qe3 47.Kg2 Kf8 48.c6 Qg3 49.Kf1 Qf2) 41.Kg2–+ Qd2 42.Kh1 Qf4 (42...Rf2 43.Rf2 Qe1 44.Kh2 Qf2 45.Qg2 Qf4 46.Kh1 Qc1 47.Kh2 Be5 48.Qg3 Bg3 49.Kg2 Qf4 50.c6 Qf2 51.Kh1 Qf1) 43.f3 (43.Rd1 Bf2 44.c6 g4 45.hg4 Qg4 46.Qd3 h3 47.Qd5 h2 48.Qe5 Kg8 49.Kh2 Bg1 50.Kh1 Qf3 51.Kg1 Qd1 52.Kh2 Rf2 53.Kh3 Rf3 54.Kg4 Rf5 55.Kg3 Qg1 56.Kh3 Re5 57.c7 Rh5) 43...Qe5 (43...Re8 44.Qc4 Kg7 45.c6–+) 44.Qe5 Be5 45.Re1 (45.c6 Rf6 46.Re1 Bf4 47.Re8 Kg7–+) 45...Bg3 46.Re6 (46.Re3 Rc8–+) 46...Kg7 (46...Rf3 47.Rg6 Bf4 48.Kg2 Ra3 49.Kf2–+) 47.Ra6 (47.Re3 Rc8 48.Rc3 Rc6–+) 47...Be1 (better is 47...Rf3 48.Kg2 Ra3 49.Ra7 Kh6 50.Rd7–+) 48.Re6 (48.Kg2 Bc3–+) 48...Bf2 49.c6 Rc8 50.Re2 (50.a4 Bc5 51.Re5 Rc6 52.Rg5 Kf6–+) 50...Bb6 51.Rc2 Kf6 52.Kg2 Ke5 53.Rc4 (53.Kf1 Kd5–+) 53...Kd5 54.Rg4 Be3 55.Kf1 (55.Ra4 Bd2–+) 55...Kd6 (better is 55...Bf4 56.Rg2 Rc6 57.Ra2–+) 56.Ra4 Ra8 57.Rc4 Kc7 58.Re4 (58.a4 Re8–+) 58...Bf4 59.Re6 (59.Ke2 Kc6 60.Kd3 Rd8 61.Kc4 Rf8–+) 59...Ra6 60.Rg6 (60.Re7 Kc6 61.Re6 Kb7 62.Re7 Bc7–+) 60...Rc6 61.Rg8 (61.Rg7 Kb6 62.a4 Rc4–+) 61...Rc3 62.Kg2 0–1. Dzera,Evgeniy (2170) – Kasyanov,Vasiliy, Konakovo Final, 2012.

8.a3 a5 9.Bd4 Qc7 10.Nc3 dc4 11.Bc4 Bg4 12.Be5 Bf3 13.Bc7 Bd1 14.Rfd1 ab4 15.ab4 Ra1 16.Ra1 Ne4 17.Ra2 (better is 17.Bd3!? Nd2 18.Ra3–/+) 17...Nd2!–/+ (17...Nc3?! 18.dc3 Bc3 19.Bb6+=; 17...Bc3?! 18.dc3 b5 19.Bb3=) 18.Rd2 Bc3 19.Ra2 Bb4 20.Ra7 b5 21.Be2 Bd6 22.Ba5 b4 23.Rb7 c5 24.Bc7 Nc6 25.Bb5 Ra8 26.f4 Na5 27.Ba5 Ra5 28.Kf2 Ra2 29.Kf3 Rc2 30.e4 Rc3 31.Kg4 f6 32.g3 b3 33.Bc6 c4 34.Bd5 Kf8 35.e5 fe5 36.fe5 Be5 37.Rb4 Bd6 38.Rc4 (38.Rb7 Kg7–+) 38...b2 39.Rc3 b1Q (39...b1Q 40.Rf3 Kg7–+) 0–1. Ree,Hans (2480) – Vanheste,Jeroen (2390), OHRA–B Amsterdam, 1988.

8.a3 Bg4 9.c5 (9.Bd4 Qd8=) 9...Qd8 (9...Qc7 10.Be5 Qd8 11.Bb2=) 10.h3+= Bf5 11.d3 Re8 (11...b6 12.Nd4+=) 12.Nbd2 Nbd7 (12...Qc7 13.Be5 Qc8 14.Qc2+/–) 13.Nd4+/– e5 14.Nf5 gf5 15.f4 (15.Nf3 Qe7+/–) 15...e4 (15...ef4!? 16.Rf4 Re3=) 16.d4+/– Nf8 17.Kh2 (17.b5 Ne6+/–) 17...N6d7 18.Rg1 (18.Nb1 Re6+=) 18...Ng6 (18...Ne6 19.Bc3+=) 19.Nf1 Ne7 (19...Nh4 20.Ng3+=) 20.g4 (20.Ng3 Nf6+/–) 20...fg4+= 21.Rg4 (21.hg4 b6+=) 21...Kh8 22.Bc3 (22.Rg1 Nf6=) 22...Nf6 (22...Rg8 23.Rg1=) 23.Rg2 (23.Rg1 Nf5=) 23...Nf5 24.Rg5 Ne7 25.Be1 (25.Qe1 Qd7=) 25...h6 (25...Qd7 26.Rg1=) 26.Rg2 Nf5 27.Bh5 (27.Bg4 Qc8=) 27...Qe7 (27...Qd7 28.Bg4 Rg8 29.Bf5 Qf5 30.Bh4=) 28.Qe2 (28.Bg4 Qe6=) 28...Rg8 (28...Kg8 29.Rc1=) 29.Bg4= Ng4 (29...Qe6!?=) 30.hg4+= Nh4 31.Bh4 Qh4 32.Kg1 Qd8 (32...a5 33.b5+=) 33.Ng3 (33.g5 Qe7+/–) 33...a5 (33...Qd7 34.Nf5+=) 34.b5 b6 35.Rc1 Rc8 (35...bc5 36.Rc5 cb5 37.Rb5+=) 36.Nf5 Bf8 37.Rh2 (37.a4 bc5 38.dc5 cb5 39.Qb5 Rb8+/–) 37...Rg6 38.g5 (38.a4 Kg8+=) 38...bc5 39.Nh6 (39.dc5 cb5 40.Qb5 d4+=) 39...Bh6 40.Rc5 (worse is 40.Rh6 Rh6 41.gh6 Qh4–+) 40...cb5 41.Rh6 Rh6 42.gh6 Qg8? (42...Qd7 43.Qh5 (43.Rb5 Qh3 44.Rc5 Rg8 45.Qg4 Qg4 46.Kf2 Qg1 47.Ke2 Rg2) 43...f5 44.Kf2+=) 43.Qg2?? (better is 43.Kf2 b4 44.ab4 (44.Ra5?? Rc1 45.Ra8 Qa8–+) 44...ab4 45.Qh5+/– (45.Rd5?? b3 46.Rc5 Ra8–+)) 43...Qg2= 44.Kg2 Rb8 Black plans b4 45.Rd5 b4 46.ab4 (46.Ra5?? b3 47.Rh5 b2–+) 46...ab4 47.Rc5 b3 48.Rc1 b2 49.Rb1 Kh7 ½–½. Dos Anjos,Diovana Ferreira (1655) – Salustiano,MG (1930), Curitiba Brazil, IEPCopel Open, 2017.

8.Bc4 a5 9.b5 cb5 10.Bb5 Bd7 11.Na3 Bb5 12.Nb5 Nc6 13.Rb1 Nb4 14.a3+= Nbd5 15.Be5 Nd7 (15...Qd7 16.d4+=) 16.Bg7+/– Kg7 17.d4 Rb8 (17...N5f6 18.Qe2+/–) 18.Qd2 N7f6 19.Ne5 Ne4 (19...Rc8 20.Rfc1+/–) 20.Qd3 Nd6 21.e4 Nf4 22.Qe3 Ne6 (22...g5 23.g3 Ng6 24.Rfc1+/–) 23.d5 Nc7 24.Nd6 ed6 25.Nc4 b5 26.Qc3 Qf6 27.Qf6 (27.Qa5 Nd5 28.Nd6 Ne3+/–) 27...Kf6+= 28.Na5 Ra8 29.Nc6 (29.Rfc1 Ra5 30.Rc7 Ra3+=) 29...Ra3+= 30.Rfc1 Ra4 31.f3 Rfa8 32.h4 R8a6? (32...h6!?+=) 33.Nb4 (33.Nb8 Ra7 34.Nd7 Ke7+–) 33...Ra7+/– 34.Rc6 Ke7 (34...Ke5 35.Kf2 Na6 36.Na6 R4a6 37.Rb5+/–) 35.e5! Ne8 36.Rb6 Kd7 37.Nc6 Ra1 38.R6b5 Rb1 39.Rb1 Ra4? 40.Rb8 1–0. Misanovic,V (2325) – Djeno,S (2045), CRO–Cup, Rabac CRO, 2003.

8.Bc4 a5 9.b5 cb5 10.Bb5 Bd7 11.Na3 Bb5 12.Nb5 Nc6 13.Qe2 Rc8 14.Rfc1 Qd5 15.Nc3 Qd7 16.d4 Rfd8 17.Rab1 Na7 (17...Qe6 18.Ba3 Ne4 19.Ne4 Qe4 20.Qb5+=) 18.Ba3+= Nc6 19.h3 e6 20.Bc5 Nd5 21.Nd5 Qd5 22.Bb6 Re8 23.Rc5 Qd6 24.Rcb5 e5 25.de5 Ne5 26.Ne5 Re5 27.Ra5 Ra5 28.Ba5 Qa3 29.Bb4 Qa4 30.a3 Bf8 (30...h6 31.Qf3+/–) 31.Qd3 Ra8 (better is 31...Bg7!?+/–) 32.Bf8+– Kf8 33.Rb7 Qa3 34.Qd5 (34.Qd5 Qa1 35.Kh2+–) 1–0. Benko,Pal C – Mihaljcisin,Mihajlo, Reggio Emilia, 1970. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 d5 7.0-0)

8.Bc4 b5 9.Bb3 a5 10.ba5 c5 11.a4 .ba4 12.Ra4 Ra5 13.Bc4 Nc6 14.Nc3 Bg4 15.Ra5 Qa5 16.Qa4 Bf3 17.gf3 Qb6 18.Qb5 Rb8 19.Qb6 Rb6 20.Ba3 Ne5 21.Be2 Ned7 22.Bb5 e6 23.Rc1 Bf8 24.f4 Bd6 25.Kf1 Kf8 26.Bc4 (26.Bd7!? Nd7 27.Ne4+/–) 26...Rb8= 27.Ke2 Ra8 28.Ra1 Ra5 29.f3 Nb6 30.Bd3 Ra3 31.Ra3 c4 32.Ra7 cd3 33.Kd3 Nbd7 ½–½. Gomez,Joh (2525) – Latorre,Man (2280), 39th Olympiad Men, 2010.

8.Bc4 b5 9.Be2 a5 10.ba5 Ra5 11.d4 Be6 12.a3 Qb6 13.Nbd2 h6 14.Qc2 Rd8 15.Rfc1 Nfd7 16.Bc3 Ra4 17.Bb4 Re8 18.Rab1 Bf6 19.e4 Bd4= 20.Nd4 Qd4 21.Nf3 Qa7 22.Qd2 Bg4 23.Qh6+/– Bf3 24.Bf3 e5? 25.Rc3 Nf6?! (25...Rb4 26.ab4 Qd4+–) 26.Be2 Ne4 (26...Qd7+–) 27.Rh3 (27.Rh3 Qf2 28.Kh1 Ng3 29.hg3 Qg2 30.Kg2 Rb4 31.Qh8) 1–0. Marinelli,Giorgio – Alpern,Steven, IECG, 1999.

8.Bc4 b5 9.Be2 a5 10.ba5 Ra5 11.d4 Be6 12.a4 b4 13.Nbd2 Nbd7 14.Nb3 Bb3 15.Qb3 Nd5 16.Rfc1 Qa8 17.Nd2 Nc3 18.Bc3 bc3 19.Qc3 c5 20.Nb3 Ra4 21.Bf3 Qa7 22.Ra4 Qa4 23.Nc5 Nc5 24.Qc5 e6 25.Rb1 Qa2 26.Be4 Rd8 27.h3 Qa6 28.Rb7 Qd6 29.g3 Bf8 30.Qa7 e5 31.Rf7 ed4 32.Rh7 Qe6 33.Rh4 Rd7 34.Qa1 Bg7 35.Qa8 Bf8 36.Rg4 (36...de3 37.Rg6 Qg6 38.Bg6 Rd1 39.Kg2+–) 1–0. Benassi,Aspasio (2070) – Randriamiharisoa,Alex (1640), IECG, 1999.

8.Bc4 b5 9.Be2 Nd5 10.a3?? (better is 10.Bg7 Kg7 11.Qb3+=) 10…Bb2–+ (10...Bb2 11.Ra2 Bg7–+) 0–1. graczmarny (1815) – jacekmpl (1845), kurnik, 2011.

8.Bc4 Qb6 9.a3 Bg4 10.Be2 a5 11.Bc3 ab4 12.Bb4 c5 13.Bc3 Nc6 14.a4 Nb4 15.Na3 Rfd8 16.Rb1 Qd6 17.Be5 Qb6 18.Bc3 Nfd5 19.Nc4 Qc7 20.Bg7 Kg7 21.h3 Be6 22.a5 f6 23.Nh2 h5 24.f4 Ne3 25.Rf3 Nd1 0–1. aniabielak – ruzdija45, kurnik, 2012.

8.Bc4 Nd5 9.Bg7 Kg7 10.Qb3 Be6 11.Nd4 Bd7 12.Qb2 Kg8 13.Nc3 Nc3 14.dc3 b6 15.Rfd1 Qc7 16.Qb3 c5 17.Nf3 Bg4 18.Rd2 Bf3 19.gf3 cb4 20.cb4 Nc6 21.Rad1 Ne5 22.Be2 Rad8 23.Rc2 Rd1 24.Bd1 Qb7 25.f4 Nf3 26.Bf3 Qf3 27.Rc7 Qg4 28.Kf1= Qh3 29.Ke2 e6 30.Ra7 Qh2 31.Rb7?? Qh5–+ 32.Kd2 Rd8 33.Kc3 Rc8 34.Kb2?? Qe2 35.Kb1 Qe1 36.Kb2 Qf2 37.Kb1 b5! 38.Rb5?? Qf1 39.Kb2 Qb5 40.a4–+ Qe2 41.Ka3 Qe1 42.Qb2 Qc3 43.Ka2 Qe3 44.b5 Qf4 45.b6 Qa4 46.Kb1 Qd1 47.Ka2 Ra8 48.Qa3 Ra3 49.Ka3–+ Qc1 50.Ka4 Qb2 51.Ka5 e5 52.Ka6 e4 53.b7 Qb7! 54.Kb7 e3 55.Kc6 e2 (55...e2–+) 0–1. elsh1403 – predator65 (1675), kurnik, 2011.

8.Bc4 Qd6 9.a3 Bg4 10.d4 a5 11.Nbd2 (11.ba5 Ra5 12.Bc3 Rh5+=) 11...b5+= 12.Be2 ab4 13.ab4 Nbd7 14.Qc2 Nd5 (worse is 14...Qb4 15.Ra8 Ra8 16.Qc6+=) 15.Ne4 Qc7 (worse is 15...Qb4 16.Qc6 Bf3 17.gf3 Qb2 18.Ra8 Ne3 19.fe3 Qe2 20.Ra3+/–) 16.Qd2 N7b6 17.Rfc1 Bf3 18.gf3 Qd7 19.Nc5 Qh3 20.Nb3 Nc4 21.Bc4 bc4 22.Na5 Qf3 23.Rc4 Qg4 24.Kh1 Qe4 25.Kg1 Bh6 26.Qe2 (26.Qd1 Rfc8=) 26...f5 (better is 26...Rfb8 27.Ra3 Nb4–/+) 27.h3?? (better is 27.Ra3!?=) 27...f4 (27...Ne3 28.f3 (28.fe3?? Be3 29.Qf2 Bf2 30.Kf2 Qf4 31.Ke1 Qe3 32.Kf1 Ra5 33.ba5 Qd3 34.Ke1 Qc4–+) 28...Qh4 29.Rc6 Qg3 30.Kh1–+) 28.Qg4 Rf5 29.h4 Nf6 30.Qg2 fe3 31.Qe4 ef2 32.Kg2 Ne4 33.Rc6 Nd2 34.Rcc1 Raf8 35.Rf1 Nf1 36.Rf1 Rf4 37.Kg3 Rf3 38.Kg2 Rd3 39.Nc6 Rb3 40.Ba1 Rf4 41.d5? Rg4 42.Kf2 Rf4 (42...Rf4 43.Ke2 Rf1 44.Kf1 Rb1 45.Ke2 Ra1 46.Ne7 Kf8–+; 42...Rh4?! 43.Ne7 Kf7 44.Kg2 Ke8 45.Re1–+) 0–1. Wege,Jochen (2280) – Langheinrich,Ferenc (2375), Oberliga Ost–B, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 dc4)

8.Bc4 Qd6 9.Qa4=.

8.Bc4 e6 9.Ng5 Nd5 10.a3?? (better is 10.Bg7 Kg7 11.Bd5 ed5 12.Nf3=) 10...Qg5 11.Bg7 Kg7 12.Nc3 Nb6 13.Qc2 (13.Be2–+) 13...Nc4 14.Qb2 (14.d3 Nd6 15.f4–+) 14…Nb2 0–1. elsh1403 – alfil77, kurnik, 2011.

9.Nc3 Nb6 10.Be2 Bg4=.

9.d4 b5 10.Be2 Nd5 11.a4 Nb4 12.ab5 cb5 13.Qb3 a5 14.Bc3 Bb7 15.Bb4 ab4 16.Ra8 Qa8 17.Qb4 e5 18.Nbd2 (18.Nc3 ed4 19.ed4 Rb8+=) 18...ed4= 19.ed4 Rb8 20.Qb5 (20.Bb5 Ba6 21.Ra1 Qb7 22.Ra6 Qa6 23.Ba6 Rb4–+) 20...Bf3 21.Bf3 Qa7 ½–½. Khurtsidze,Nino (2455) – Sibashvili,Giorgi (2360), Nakhchivan Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 dc4 8.Bc4 Nbd7)

9.d4 Nb6 10.Bb3 Nfd5 11.Qd2 Qd6 12.a3 h6 (12...Bf5 13.Nc3=) 13.e4 Nc7 14.Qc2 Be6 15.Nbd2 a5 16.Qc5 Ra6 17.Rfc1 Bb3 18.Nb3 Na4 19.Qd6 ed6 20.Rab1 (20.Bc3 f5 (20...Nc3?! 21.Rc3 ab4 22.ab4=) 21.e5 Nc3 22.Rc3 de5 23.Ne5 ab4 24.ab4 Ra1 25.Na1 Rd8 26.Ng6 Rd4–+ (26...Bd4?! 27.Ra3–/+)) 20...ab4=+ 21.ab4 Nb2 22.Rb2 Re8 23.Re1 Ne6 24.Rbb1 Nf4 25.Re3 (25.Na5 Nd3 26.Re3 Nb4 27.Nb7 c5 28.dc5 dc5 29.Nc5 Rc6+=) 25...Ra2 26.Kf1 (26.Nc1 Rc2=+) 26...f5 (26...Rea8 27.Nc1 Rc2 28.Nd3 Nd3 29.Rd3–+) 27.Nc1=+ Rc2 28.e5 (28.Ne1!? Rd2 29.ef5=) 28...Nd5 29.Re1 de5 30.Ne5 Nc3 (30...f4 31.b5=+) 31.Ra1 Nb5 32.Ncd3 (32.Nb3 Rd8=+) 32...g5 33.Nf3 (33.Nd7 Re1 34.Re1 Nd4–/+) 33...Re1 (33...Rd8 34.Nc5 Bd4 35.Nd4 Rd4 36.Re7=) 34.Nfe1 Rc4 35.Ra8 Kh7 36.Rb8 Nd6 (36...Bd4?! 37.Rb7 Kg6 38.Nf3=) 37.Rd8 Rd4 38.Nc5 Rd1 (38...Ne4 39.Rd4 Bd4 40.Ned3–/+) 39.Rd7 Kg8 (39...Kg6 40.Nb7 Be5 41.Ke2=) ½–½. Schueller,E – Hemp, corr DDR, 1990.

9.d4 Nb6+= 10.Bb3 Bf5 11.Nbd2 Ne4 (11...Qd6 12.Qe2 Qb4 13.e4+=) 12.Ne4= Be4 13.Ng5 Bd5 14.Bd5 (14.Qd3 e6 15.Ne4 Be4 16.Qe4 Nd5=) 14...Nd5 15.a3 e5 16.Nf3 e4 17.Nd2 Qe7 18.Qc2 Rfe8 19.Nc4 Rac8 20.Rac1 Qe6 21.Na5 (21.h3 Rcd8+=) 21...Qd7 22.Nb3 (22.Nc4 Rcd8+=) 22...Kh8 (22...Bf6 23.Nd2 Qg4 24.Nc4+=) 23.Nc5 Qe7 24.Na4 f5 25.Nc3= Rcd8 26.Qd2 Rf8 27.Nd5 Rd5 28.Rc5 Rfd8 29.Rfc1 Qf7 30.Rd5 Rd5+= 31.Rc5 Kg8 32.Qc2 Kf8 33.Rc4 Qe6 34.a4 a6 35.Qc3 Kf7 36.h4 Qf6 37.g3 h6 38.Qb3 Qe6 39.Qc2 g5 40.hg5 hg5 41.Qc1 Qh6 42.Kg2 Qh5 43.Ba3?? Qf3–+ 44.Kf1 Rd6 45.Qc2 Rh6 46.Ke1 Rh1 47.Kd2 Qf2 48.Kc3 Qe3 (48...Qe3 49.Kb2 Re1–+) 0–1. Kozlowska,Marzena – Majewski,Jan (2050), Poznan op–B, 2003.

9.Be2 a5 10.b5=.

9.Be2 Qb6 10.a3=.

9.Be2 Nbd7 10.d4 (10.h3 Bf3 11.Bf3 a5=) 10...Qc7 (10...Qb6 11.h3 Be6 12.Ng5+=) 11.Nbd2 Rfe8 (11...Nd5 12.b5=) 12.Rc1 Qd8 (12...Rec8 13.h3 Be6 14.a4=) 13.a4 a6 14.a5 e6 (14...Nd5 15.h3 Bf3 16.Bf3=) 15.h3 Bf3 16.Nf3 (worse is 16.gf3 Nd5+=) 16...Qe7 17.Qb3 Nd5 18.Ba3 Qd8 19.Rfd1 Nc7 (19...f5 20.Rc2+=) 20.Bb2+/– Rc8 21.Rc2 Qe7 22.Rdc1 Bf8 23.Rc4 Nb5 24.Bf1 Nf6 25.Rc5 Ne4= 26.Re5 Nf6 27.Bb5 ab5 28.Ba3 Qd8 29.Rd1 Qc7 30.Bb2 Nd5 31.Ba3 Bd6 32.Rg5 Qe7 33.e4 Bb4 34.ed5+= Ba3 35.de6 fe6 36.Re5 Bd6 37.Re4 Qf6 38.Rde1= Kf7?? 39.Ne5 Be5+= 40.Re5 Rcd8 41.Qe3 Ra8 42.Re4 Kg7 43.Qg3 Qf7 44.Qc3 Qf6 45.Qd2 Qf7 46.Qa2 Qd7 47.Re6 Re6 48.Re6 Re8 49.Re8= Qe8 50.Qd2 Qe7 51.Kf1 Qe4 52.Qb2 Qd3 53.Ke1 Kf7 54.Qa2= Ke7 55.Qb2 Qc4 56.Qd2 b4 57.Qg5 Kd7+= 58.Qg4 Qe6 59.Qe6 Ke6 60.Kd2 Kd5 61.Kd3 b3 62.Kc3 b2 63.Kb2 Kd4 64.Kb3 c5 65.f4 Kd3 66.g4?? c4–+ 67.Kb2 Kd2 68.f5 c3 69.Ka2 gf5 70.gf5 c2 71.f6 c1Q (71...c1Q 72.Kb3 Qc3 73.Ka4 Qc4 74.Ka3 Kc3 75.f7 Qb3#) 0–1. Holz auf der Heide,Gerhard – Reichelt,Holger, Leipzig VfB op 3rd, 1996.

9.h3 Bf5 10.d4=.

10.Qf3 Nd5 11.Bg7+= Kg7 12.Bd5 cd5 13.Nc3 e6 14.Rfc1 Nc6= 15.b5 Ne5 16.Qf4 Qf6 17.Ne2 Rfc8=+ 18.Qd4 Nc4 19.Qf6= Kf6 20.Rc2 Nd6 21.Rb2 Rc5 22.Rab1 Rac8 23.d3 h5 24.Kf1 Nf5 25.Ke1 e5 26.g3 d4 27.e4 Nd6 28.f4 g5 29.fe5 Ke5 30.Kd2 f6 31.Rf1 f5=+ 32.Nd4 fe4 33.Rb4 g4 34.hg4=+ hg4 35.Nc6 bc6 36.d4= Kd5 37.dc5 Kc5 38.Ra4 Nc4 39.Ke2 cb5 40.Ra7 Rd8 41.Rf4 Rd2 42.Ke1 Rg2 43.Rg4+= Kd4 44.Re7 Ne5 45.Rg5 Nf3 46.Kf1 Ra2 47.Rb5 Nd2 48.Ke1 Ke3 49.Kd1+/– Ra1 50.Kc2 Ke2 51.g4 e3 52.g5 Nf3 53.g6+– Nd4 54.Kb2 Rg1 55.Rb6 Kd3+/– 56.Rd6 e2= 57.g7 Rg7 58.Rd4 Kd4 59.Re2 ½–½. Kreuzer,Martin – Schneider,W, Schwetzingen, 1994.

10.Qf3 Qd6 11.Bc3=.

10.Qf3 Nbd7 11.Nc3 Nb6 12.Bb3 Nbd5 (12...Qd2 13.Rab1 Qd6 14.a3+=) 13.Rfd1 Nb4 14.d4 Nbd5 15.Rac1 Nc3 16.Rc3 Qb6 17.Ba3 Rfe8 18.Bc5 Qa5 19.Rcd3 Rad8 20.e4 b6 21.e5? Nd5 22.e6 f5 23.Bd5 Rd5 24.Ba3 Rd6?? 25.Bd6+/– ed6 26.Qc6 Re6 27.Qc8 Kf7 28.d5 Re2 29.Qd7 Re7= 30.Qd6?? Re1–+ 31.Re1 Qe1 32.Kh2 Be5 33.Qe5 Qe5 34.g3 Ke7 35.Kg2?? Kd6 36.f4 Qd5! 37.Rd5 Kd5 38.Kf3 Kd4 39.g4 b5 40.gf5 gf5 41.Kg3 a5 42.Kh4 Ke4 43.Kg5 b4 44.Kh6 a4 45.Kh7 b3 46.ab3 ab3 47.Kg7 b2 48.h4 b1Q 49.h5 Qh1 50.h6 Kf4 51.h7 Ke3 52.h8Q Qh8 53.Kh8 f4 (53...f4 54.Kg7 f3 55.Kf6 Ke4 56.Ke6 f2 57.Kd6 f1Q 58.Kc6 Qc4 59.Kd6 Qd5 60.Kc7 Ke5 61.Kb8 Qd7 62.Ka8 Kd5 63.Kb8 Kc6 64.Ka8 Qb7) 0–1. elsh1403 – rosi150, kurnik, 2011.

10.Qf3 Nbd7 11.Nc3 Ne5–/+ 12.Qe2 Nc4 13.Qc4 Qd2 14.Ba3 Nd5 (14...Rfd8–/+) 15.Nd5? (15.Ne4 b5 16.Qc6= (worse is 16.Nd2 bc4 17.Nc4 Ba1 18.Ra1 Rab8–+)) 15...cd5–+ 16.Qc7? (16.Qc1 Qe2 17.Re1–+) 16...Ba1 17.Ra1 e6 (better is 17...Rac8 18.Qb7 Rc2–+) 18.Qb7?? (18.Qe5 Rae8–+) 18...Rab8 (better is 18...Qc3 19.Rb1 Qa3–+) 19.Qa7? (19.Qa6–+) 19…Ra8 (19...Ra8 20.Qd4 Qd4 21.ed4 Ra3–+) 0–1. elsh1403 – steinitz2011, kurnik, 2011.

10.Qf3 Nbd7 11.d3 Nb6 12.Rd1 Nc4 13.dc4 Qc7 14.Nd2 Rad8 15.Nb3 Rd1 16.Rd1 e5 17.Nc5 Re8 18.e4 Nh5?? 19.Rd7+– Qc8 20.Qf7 Kh8 21.Rb7 Rf8 22.Qd7 Nf4 23.Qg7# 1–0. Trkn – guest2221, ICC, 2004.

10.Qf3 Nbd7 11.d4 Nb6 12.Bd3 Nfd5=.

8.Na3 Nb6 9.Rc1 a5 10.b5 cb5 11.cd5 b4 12.Nb5 Nbd5 (worse is 12...Qd5 13.Nc7 Qf5 14.Bd4+–; 12...Nfd5?! 13.Bg7 Kg7 14.e4=) 13.Rc5 b6 14.Rc4 Ba6 15.Rd4? (better is 15.Qa4!?+=) 15...Ne8–+ 16.Qb3 Bd4 17.Bd4 Nec7 18.Nc7 Nc7 (worse is 18...Be2 19.Nd5 a4 20.Qb4 Qd5 21.Qe7–/+) 19.Ba6 Ra6 20.Ne5 Qd6 (20...Qd5 21.Qc2 Nb5 22.Nc6 Nd4 23.Ne7 Kg7 24.Qb2–+ (24.Nd5?? Nc2 25.Rc1 Rc8–+)) 21.Ng4–/+ Qe6?? (better is 21...g5–/+) 22.Nh6 1–0. Machala,Vladislav – Winkelhoefer,Ladislav, CZE–chT1a, 1997. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.Be2 0-0 7.0-0 Nbd7)

8.Na3 Qc7=.

8.a4 a5 9.b5 c5 10.cd5 Nd5 (10...Nb6 11.Qc2+=) 11.Bg7 Kg7 12.d4 b6 13.Bc4 (13.Ra2 Bb7+=) 13...N5f6 (13...Bb7 14.Ra2+=) 14.Nbd2 (14.Qe2 cd4 15.Nd4 Bb7+=) 14…Bb7 ½–½. Rau,Johann – Ruedrich,Matthias, corr DDR, 1976.

8.a4 b6 9.Nc3 Bb7 (9...dc4 10.Bc4 a5 11.b5=) 10.a5+= c5 (10...ba5 11.Ra5 dc4 12.Na4+=) 11.a6+– Bc8 12.Nd5 cb4? (better 12...Nd5 13.Bg7 Ne3 14.de3 Kg7+–) 13.Nb4+– Nc5 (13...Re8 14.d4+–) 14.d4 Nce4 15.Ne5 Be6 (15...Nd6 16.Bf3 Rb8 17.Nbc6+–) 16.Qc2 Bf5 (16...Nd6 17.c5 bc5 18.dc5+–) 17.g4 Ng4 (17...Bd7+–) 18.Bg4 (18.Ng4?! Nf2 19.e4 Ng4 20.ef5 Bd4 21.Kh1 Ne3+=) 18...Be5 19.de5 e6 20.Bf5 gf5 (20...Qg5 21.Kh1 Qf5 22.f3+–) 21.f3 Ng5 (21...Nc5 22.Rad1 Qh4 23.Bd4+–) 22.Kh1 (22.h4 Nh3 23.Kg2 Qh4+–) 22...Kh8 (22...h6 23.Rad1 Qc7 24.Rd6+–) 23.Rad1 Qe7 (23...Qc7 24.h4 Ne4 25.fe4+–) 24.Nc6 Qc5 (24...Qe8 25.Nd4 h6 26.Nb5+–) 25.Rd6 Qe3 (25...b5 26.h4 Nf3 27.Rf3 Rg8+–) 26.Bc1 Qc5 27.Bg5 (27.Bg5 f6 28.Bh6+–) 1–0. Pierre – Herthafan, internet, 2020.

8.a4 dc4 9.Na3 c5 10.bc5 c3 11.Bc3 Nc5 12.Bf6 Bf6 13.d4+=.

8.a4 dc4 9.Na3 Nd5 10.Bg7 Kg7 11.b5 cb5 12.ab5 N7b6 13.Nc4 Nc4 14.Bc4 Nb6 15.Be2 Be6 16.Qb1 Qd6 17.Rc1 Rfd8 18.d4 f6 19.h3 Bd5 20.e4 Bf7 21.Rc3 Rdc8 22.Rca3 Bc4 23.Bc4 Rc4 24.Ra7 Ra7 25.Ra7 Qc7 26.Ra1 Na4 27.e5 Nc3 28.Qb2 Nd5 29.Qe2 Rc2 30.Qe4 Nb6?? (better is 30...Qc4!?=) 31.ef6?? (better is 31.Ra7 Rc1 32.Kh2+–) 31...ef6+/– 32.Re1 Rc1 33.Rc1 Qc1 34.Kh2 (34.Ne1!? Kf8 35.Qe6+/–) 34...Qc7+= 35.g3 Qd7 36.Kg2 Nd5 37.Qd3 b6 38.Qc4 Nc7 39.Qc6 Qc6 40.bc6 Kf7 41.Nd2 ½–½. Marchio,Enrico (2300) – Staller,Peter (2315), Oberliga Ost–B, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Nbd7)

8.a4 dc4 9.Na3 Nd5 10.Bg7 Kg7 11.Qc2 N7f6 12.b5 (12.Qc4 Qd6=) 12...cb5 13.ab5 Bf5 14.Qc4 Nb6 (14...Qd6 15.Qh4=) 15.Qb3 (15.Qb4 Nbd5 16.Qh4 e6+=) 15...Ne4 (15...Qd5 16.Qb4=) 16.d3+= Nd6 17.Nd4 (17.Rfc1 f6+=) 17...Bd7 (17...e5 18.Nf5 Nf5 19.Nc4+=) 18.Qb2 (18.Qb4 Bf5+=) 18...Kg8 (18...e5 19.Nf3 f6 20.Rfc1+=) 19.h4 (19.Nc4 Ndc4 20.dc4 e5+=) 19...h5 (19...e5 20.Nf3 f6 21.Qb3 Kg7 22.Rfc1=) 20.Bf3 (20.Rfd1 e5 21.Nf3 f6+=) 20...a6 (20...e5 21.Nb3 Re8 22.Nc5=) 21.ba6+= Ra6 22.Ne2 Bc6 23.e4 Qd7 24.Qd2 Kh7 25.Qg5 f6 26.Qe3 Nb5?? 27.Nc2?? Rfa8+= 28.Ra6 Ra6 29.Nb4 Ra4 30.Nc6 Qc6 31.Rc1 Qd6 32.e5 fe5= 33.Be4 Nd5 34.Qg5+= Nf4?? 35.Nf4+– ef4 36.Qh5 Kg7 37.Qb5 (37.Qb5 Ra6 38.Qb7+–) 1–0. Mittelbachert,U (2085) – Samisch,Romuald, 12th Sueder Summer, Recklinghausen GER, 2001.

8.a4 dc4 9.Bc4 Nb6 10.Be2 Be6 11.Nd4 Bd5 12.Qc2 e5 13.Nb3 Nbd7 14.d3 e4 15.N1d2 Re8 16.de4 Ne4 17.Bg7 Kg7 18.Ne4 Be4 19.Qc3 Qf6 20.Rfc1 Qc3 21.Rc3 Bd5 22.Na5 Rab8 23.f3 f5 24.Kf2 Re7 25.h3 Kf6 26.g4 a6 27.Nc4 Bc4 28.Bc4 Nb6 29.Bb3 Rd8 30.Ra2 Red7 31.b5 cb5 32.ab5 ab5 33.Rc5 Na4 34.Rb5 Nc3 35.Rb6 Kg5 36.Rc2 Rd2 (36...Nd1!? 37.Ke2 Rd3 38.f4 Kh4 39.Rb7 fg4 40.hg4 Re3 41.Kf1 Kg4 42.Rg2 Kf3 43.Rh7 Red3 (43...Kf4? 44.Rf7 Ke5 45.Rg5 Ke4 46.Bc2 Red3 47.Ke2 Nc3 48.Ke1+–) 44.Rh3 Kf4 45.Rd3 Rd3–/+) 37.Rd2= Rd2 38.Kf1 Kh4 39.gf5 gf5 40.Rb7 Kg3 41.Rc7 Rf2 42.Ke1 Re2 43.Kf1 Re3 44.Bc2 Rf3 45.Ke1 h5 46.Bf5 Rf5 47.Rc3 Kg2 48.h4 Re5 49.Kd2 Re4 50.Re3 (50.Rc5!? Rh4 51.Ke2–/+) 50...Rh4–+ 51.Re2 Kf3 52.Re3 Kf4 53.Ra3 Rh2 54.Ke1 Rb2 ½–½. Beliavsky,A (2610) – Kokol,P (2280), Ljubljana SLO, Men Ch, 2011.

8.a4 e5 9.Ne5 Re8 10.d4 Ne5 11.de5 Ne4 12.cd5 cd5 (12...Qd5 13.f3 Nd6 14.f4+/– (14.ed6?! Bb2 15.Qd5 cd5=)) 13.f3+– Ng5 14.a5 Qe7 15.f4 Ne4 16.Qd4 (16.Qd5 Qb4 17.Ba3 Nc3 18.Nc3 Qc3+–) 16...Be6 17.Nc3 Nc3 18.Bc3 Rac8 19.Rac1 a6 20.b5 ab5 21.Bb5 Red8 22.Bb4 Qh4 23.Rc8 Rc8 24.Qb6 g5 25.Be7 Rc2?? (25...Qg4 26.Bd3 gf4 27.ef4 Kh8+–) 26.Qd8 (26...Bf8 27.Qf8) 1–0. Trkn – guest4081, ICC, 2004.

8.Qb3 Nb6 9.d3 Bg4 10.h3 Bf3 11.Bf3 (worse is 11.gf3 dc4 12.dc4 Qd7+=) 11...Qc7 12.Rc1 dc4 13.dc4 Nbd7 14.Nd2 Rad8 15.Nf1 (15.Rd1 Ne5+=) 15...Ne5= 16.Be2 Ne4 17.Rd1 Rd1 18.Rd1 Rd8 19.f3 Rd1 20.Qd1 Nd6 21.c5 Nf5 22.e4 Nh6 (22...Nd7 23.Bg7 Ng7 24.Bc4=) 23.Qa1+/– f6 24.Be5 fe5 25.Bc4 Kf8 26.Qd1 Nf7 27.Ne3 Qd8 28.Bf7 Qd1 29.Nd1 Kf7 30.Ne3 Bh6 31.Nc4 Ke6 32.Kf2 Bc1 33.Ke2 b5 (better is 33...Kd7+–) 34.cb6 ab6 35.Kd1 (35.Nb6?! Ba3+/–) 35...Bf4 36.Nb6 Kf6 37.a4 Kg5 (37...Ke6+–) 38.Ke2 Kh4 (38...Bh2+–) 39.a5 Bh2 40.Kf2 Bg3 41.Kf1 Bf4 42.Nc4 1–0. Kunic,Mehmedalija (1855) – Nilsen,Jarle, Sandefjord MGP, 2003.

8.Qb3 dc4 9.Qc4 Nb6 10.Qc2 Nbd5 11.a3 a5 12.ba5 Qa5 13.d4 Bf5 14.Bd3 Bd3 15.Qd3 Qb6 16.Qc2 Rfc8 17.Rc1 Ne4 18.Nbd2 Nd2 19.Nd2 Qa6 20.Nb3 Qa4 21.Nc5 Qc2 22.Rc2 ½–½. Farkas,Tibor (2295) – Gara,Ticia (2305), HUN–chT, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Nbd7)

8.Qb3 dc4 9.Qc4 Nb6 10.Qc2 Nbd5 11.a3 Bd7 12.Ne5 a5 13.Nd7 Qd7 14.ba5 Ra5 15.d4 Qe6 16.Nd2 Ng4 17.Nc4 Raa8 18.h3 Ngf6 19.Bf3 Rfd8 20.Rfe1 h5 21.Ne5 Nd7 22.Nd3 Rac8 23.a4 Qd6 24.Qb3 Rb8 25.Ba3 Qe6 26.Bd5 Qd5 27.Qd5 cd5 28.Be7 Re8 29.Bd6 Ra8 30.Reb1 b6 31.Nf4 Ra5 32.Bb4 Ra7 33.Nd5 Rea8 34.Nc3 Nb8 35.Kf1 Nc6 36.Bd6 Ra6 37.Ke2 b5 38.Nb5 Ra4 39.Ra4 Ra4 40.Nc3 Ra6 41.Bc5 Ra5 42.Rb6 Na7 43.Rb8 Kh7 44.Rb7 (44.Rb7 Nc6 45.Rf7+–) 1–0. Bukhman,Eduard (2430) – Rudolf,Michal (2280), Warsaw op, 1992.

8.Qb3 dc4 9.Qc4 Nb6 10.Qh4 Nbd5 11.Nc3 h6 12.Nd5 cd5 13.Rac1 Bf5 14.Ne5 Qd6 15.Qd4 Ne4 16.f4 f6 17.g4 fe5 18.fe5 Qe6 19.gf5 Rf5 20.Rf5 Qf5 21.Rf1 Qe6? 22.Rf4 Nd6 23.Bg4 Nf5= 24.Bf5 gf5 25.Bc3 Qg6 26.Kf2 e6 27.Qc5 Qe8 28.Qc7 Qc6 29.Qc6 bc6 30.Rh4 Kf7 31.d4 a5 32.ba5+/– Kg6 33.Rh3 Bf8 34.Rg3 Kf7 35.Rg2 Be7 36.Ke2 Bd8 37.Kd3 Ba5 38.Ba5 Ra5 39.Rc2 Ra3 40.Kd2 Ke7 41.Rc6 Ra2+= 42.Rc2 Ra1 43.Ke2 Kd7 44.Kf3 Rf1 45.Kg2 Rb1 46.Kf3 Rb3 47.Rg2+/– ½–½. Martinson,E – Kaufman,Alan, Marshall CC–ch fin, 1957.

8.Qb3 dc4 9.Bc4 Nb6 10.Be2 Be6 11.Qc2 Bf5 12.d3 Bg4 13.Nbd2 Bf3 (13...Nbd5 14.a3=) 14.Bf3 Nfd5 15.Bg7 Kg7 16.g3 (16.Qb2 f6+=) 16...Nf6 (16...e5 17.a3=) 17.Nb3 Nbd7 18.Rfd1 Rc8 (18...e5 19.Rab1+=) 19.a4 Qc7 20.Rab1 Rfd8 21.Bg2 Nb6 22.a5 Nbd5 23.Nc5 Nd7 (23...b6 24.ab6 ab6 25.Ne4=) 24.Na4 (24.Bh3 N5f6+/-) 24...e6 25.Rdc1 Qd6 26.d4 Nc7 (26...b6!? 27.Qb2 f6+=) 27.Nc5+/- Rb8 28.a6! Na6 (28...ba6 29.Ne4 Combination; 28...Na6 29.Na6 Combination) 29.Na6 ba6 30.Qa4 Rb6 31.Rc6 Rc6 32.Qc6 (32.Bc6?! Nb6 33.Qa1 e5+=) 32...Qc6 33.Bc6 Nb8 34.Be4 Nd7 (34...Rd6 35.Ra1+/-) 35.Ra1 Rb8 36.Ra6 Rb4 37.Ra7 Nf6 38.Bf3 Rb3 39.Kg2 Rb4 40.Ra5 Rc4 41.g4 Rc7 42.h4 Rd7 43.Kg3 Ng8 44.Bc6 Rc7 45.Bg2 Ne7 46.Be4 Ng8 (46...f5 47.Ba8+-) 47.Kf4 Nf6 48.Bf3 Rd7 (48...h6 49.Rc5 Ra7 50.Kg3+-) 49.g5 Ng8 50.Ra1 Ne7 51.Rd1 Nd5 (51...Nf5 52.h5+-) 52.Ke5 Rd8 (52...Ne7 53.Be4+-) 53.e4 Ne7 54.d5 ed5 55.ed5 Ng8 (55...Re8 56.Kd6 Nf5 57.Kd7+-) 56.d6 Re8 (56...Kf8 57.Bd5+-) 57.Kd5 Kf8 (57...Ne7 58.Kc5 Nf5 59.d7+-) 58.Kc6 Re6 59.Kc7 1-0. He,Ping (1810) - Cui,Yueteng, 2nd Binhai Cup, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0)

8.Qc2 dc4 9.Bc4 Nb6 10.Be2 Bf5 11.d3 Qd6? (better is 11...a5=) 12.e4+– 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.Qc2 Re8 9.d4 Ne4 10.Nc3 Nc3 11.Bc3 e5 12.cd5 ed4 13.Nd4 cd5 14.Nb5 Ne5 15.Bd4 Nc6 16.Bg7 Kg7 17.Rad1 Qe7 18.a3 Be6 19.Bf3 Rac8 20.Qb2 Kg8 21.Bd5 Bd5 22.Rd5 Rcd8 23.Rfd1 Rd5 24.Rd5 Rd8 25.Rd8 Qd8 26.Nd4 Qd5 27.f3 a6 28.Nc6 Qc6 29.Kf2 h5 30.h3 b5 31.g4 h4 32.Qd2 Qc7 33.f4 Kg7 34.Kf3 Qc6 35.e4 Qc4 36.g5 Qb3 37.Qe3 Qd1 38.Qe2 Qb3 39.Qe3 Qd1 40.Qe2 ½–½. Mroz – Chwaszcza, corr 1985–87.

8.d3 b6 9.Nbd2 Bb7 10.a4 dc4 11.dc4 (11.Nc4 Qc7=) 11...c5 12.b5 Qc7 13.Qc2 e5 14.e4 a6 15.Rfd1 Rfd8 16.a5 ba5 17.b6 (17.Bc3 ab5 18.cb5 Ra7+=) 17...Nb6 (17...Qb6 18.Bc3 Qd6 19.Ba5=) 18.Be5 (worse is 18.Ne5 Ne4 19.Ne4 Be5 20.Nf6 Bf6 21.Bf6 Rd1 22.Rd1 Qc6–+) 18...Qc6 19.Ra5 (19.Rab1 Nbd7 (worse is 19...Ne4 20.Bg7 Nd2 21.Rd2 Kg7 22.Qb2 Kh6 23.g4+–) 20.Bc3 a4= (20...Ne4? 21.Ne4 Qe4 22.Bd3+–)) 19...Nbd7= 20.Bg3 Nh5 (20...Ne4 21.Ne4 Qe4 22.Qe4 Be4=) 21.Bf1 (better is 21.Bh4!? f6 22.Qc3=) 21...Ng3+= 22.hg3 Ne5 23.Nb3 Rd1 24.Qd1 Nd7 25.Qc2 Qc7 26.Ra3 Re8 27.Nbd2 a5–/+ 28.Qa4 Ra8 29.Rd3 Bc6–+ 30.Qa3 a4 31.Re3 Qb6 32.e5 Qb4 33.Qa2 Nf8 34.Ne4 Be4 35.Re4–/+ Qb3 36.Re2 Nd7 37.e6? fe6–+ 38.Ng5 Qa2 39.Ra2 e5 40.Ne4 Kf8 41.Be2 Ke7 42.Ra3 Bh6 43.Bd1= Nb6 44.Nc5 Bc1 45.Ra2 a3 46.Nd3 Bh6 47.Ne5 Bg7 48.Bf3 Ra4 49.c5 Be5 50.cb6 Bb2 51.Kf1 Kd6 52.Ke2 Rc4 53.Kd2 Ke5 54.Kd3 Rd4 55.Kc2 Rb4 56.b7 Kd4 57.Kd2 h5 58.Bc6 Rb6 59.Be8 Rb7 60.Bg6 Rb5 61.f4 Rc5 62.f5 Ke5 63.Bh5 Kf5 64.Bf3 Rc3 65.g4 Ke5 66.g5 Kf5 67.g6 Rc7 68.g7 Rd7 69.Kc2 Rc7 70.Kd2 Rg7 ½–½. Weiland,G (2095) – Martin Blanco,F (2190), MTO Open, Biel SUI, 2000.

8.d3 b6 9.Nbd2 Bb7 10.Nb3 dc4+= 11.dc4 c5 12.bc5 Nc5 (12...bc5 13.Nbd2+=) 13.Nc5= bc5 14.Qd8 (14.Be5 Qa5=) 14...Rfd8+= 15.Rfd1 Ne4 16.Bg7 Kg7 17.Kf1 (17.Rdb1 Ba6+=) 17...Ba6 (17...Kf6 18.Rd8 Rd8 19.Rb1+=) 18.Rac1 (18.Ne5 Rd1 19.Rd1 Rb8+=) 18...Rd1 19.Bd1 Rd8 20.Ke2 Rb8 (20...g5!?–/+) 21.Bb3= Rd8 22.Rc2 (22.Bd1 g5–/+) 22...Rd6 (22...Kf6 23.Ne1=) 23.Ne5= f6 24.Nd3 Rc6 25.f3 Nd6 26.Nb2 (26.Kd2 Bc8=) 26...Rc7 27.Rd2 Kf7 28.g4 h6 29.h3 ½–½. De Kruif,Kees (2080) – Warmerdam,Robert, Guernsey op, 2006.

8.d3 b6 9.Nbd2 Bb7 10.Qc2 Qc7=.

8.d3 Qb6 9.a3 Re8 (9...dc4 10.dc4 a5 11.Nc3=) 10.Ne5 (10.Nbd2!?+=) 10...Qc7 (10...a5 11.c5 Nc5 12.Bd4 ab4 13.Bc5 Qc5 14.ab4=) 11.Nd7 (11.Nf3 dc4 12.dc4 Ne4 13.Bg7 Kg7=) 11...Bd7+= 12.Nd2 e5 13.Qc2 Bf5 (13...a5 14.Nf3+=) 14.cd5 ½–½. Schmidbauer,Josef – Stutzke,Christian, Niederbayern–chB, 1998.

8.d3 dc4 9.dc4 a5 10.b5=.

8.d4 dc4!? 9.Qc2 a5+=.

8.d4 dc4 9.Bc4 a5 10.b5 Nb6 11.Be2 cb5 12.Bb5 Ne4 13.Nbd2 Nd6 14.Be2 Be6 15.a4 Rc8 16.Ba3 Nd5 17.Bd3 Nb4 18.Bb4 ab4 19.Qb1 Rc3 20.Ng5 Bd5 21.Nge4 e5 22.Nc3 bc3 23.Ne4 Be4 24.Be4 ed4 25.ed4 Qh4 26.Bf3 Nc4 27.Qb7+/– Nd2 28.Rfe1 Bd4 29.Re2 Qg5 30.Rd1 Rd8 31.Qc6 Bc5 32.Re8 Re8 33.Qe8 Kg7 34.Be4 Qf4 35.Bd3 c2 36.Bc2 Qf2 37.Kh1 Nf1 38.Qe5 Kh6 (38...Kh6 39.Qc5 Qc5 40.Rf1 Qc2–+) 0–1. Ubilava,E (2540) – Gupta,Ab (2495), 6th Parsvnath Open, New Delhi IND, 2008.

8.d4 dc4 9.Bc4 Nb6 10.Bd3 a5 11.b5 cb5 12.Bb5 Bg4 13.h3 (13.Nbd2 a4=) 13...Be6 (13...Bd7 14.Qe2=) 14.Nbd2 (14.Qe2 Rc8=) 14...Rc8 (14...a4 15.Qe2=) 15.Ne5 (15.e4 h6=) 15...Nfd5 (15...Bd5 16.Bd3=) 16.Nb3 (16.a3 f6 17.Nec4 Nc4 18.Bc4 Qd7+=) 16...Qd6 17.e4 (17.Rc1!?=) 17...Nc3+= 18.Bc3 Rc3 19.Nf3 Qb4 20.Be2 Bb3 21.ab3 Rb3 (better is 21...Rd8!? 22.e5 f6+=) 22.Ra5+= Qc3 23.Rc5 White plans e5 23...Qb2 24.e5 (24.Rc2 Qa3+=) 24...e6 (24...Rd8 25.Rc1 Qa3 26.Rb1 Rb1 27.Qb1+/–) 25.Re1 (25.Rc1 Rb8+=) 25...Rd8 26.Qc1 (26.Rc1 Qa3+=) 26...Qc1 27.Rec1 (27.Rcc1 Bf8+=) 27...Bh6 28.R1c2 (28.Ra1 Nd5+=) 28...Kg7 29.g3 Nd5 30.Rb5 (30.Kg2 b6 31.Rb5 Rc3=) 30...Rb5 (30...Rc3 31.Rd5 Rc2 32.Rd8 Re2 33.d5 ed5 34.Rd5+=) 31.Bb5 Ra8 32.Be2 (32.Kg2 f6=) 32...Ra4 33.Kg2 Rb4 (33...Ra7 34.Bc4 Nc7 35.Rb2+=) 34.Bc4 Ne7 35.Ba2 (35.Bd3 b6+=) 35...Kf8 36.Bc4 (36.Kf1 b5+=) 36...Ke8 (36...b5 37.Bf1 Rb1 38.Ra2=) 37.h4 (37.Bd3 Kd7+=) 37...Kd7 38.Bd3 Nc6 (38...Bg7 39.Rc5=) 39.Be4+= Ne7 40.Bd3 (40.Kh3 Nd5=) 40...Nc6 41.Be4 Ne7 42.Bd3 ½–½. Guramishvili,Sopiko (2355) – Buksa,Nataliya (2300), WCh Women, 2017. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 c6 6.Be2 0-0 7.0-0 Nbd7)

8.d4 Re8 9.Nc3 Ne4 10.Qb3 Nc3 11.Bc3 Nb6 12.c5 Nd7 13.b5 e5 14.bc6 bc6 15.Qa4 ed4 16.Bd4 Qc7 17.Bg7 Kg7 18.Nd4 Nc5 19.Qc6 Qc6 20.Nc6 Re6 21.Bf3 Ne4 (worse is 21...Rc6 22.Bd5 Ba6 23.Bc6+/–) 22.Nb4 Rb8 23.Nd5 Nd2 24.Rfc1 Nf3 25.gf3 Re5 26.e4 Be6 27.Nf4 Rb2 28.a3 (28.Rc7 Rg5 29.Kh1 Kf6+=) 28...Rb3= 29.Ne6 ½–½. Berebora,Ferenc (2395) – Dekic,Josip (2320), Bekescsaba, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Nbd7)

8.d4 Ne8 9.Nbd2 (9.cd5 cd5 10.Nc3 Nb6=) 9...dc4 10.Nc4 Nd6 11.Qb3 Nc4 12.Bc4 e6 (12...Nb6!?=) 13.a4 (13.Bd3 Nb6+=) 13...b6 14.b5 (14.Be2 a5+=) 14...c5 15.Ng5?? (better is 15.Rad1+=) 15...Qg5–+ 16.Rad1 Bb7 17.f3 (17.d5 Bb2 18.f4 Qg4 19.Qb2 ed5 20.Bd5 Bd5 21.Rd5 Qe6–+) 17...Bd5 (17...Rac8 18.Ba3–+) 18.Bc1 (18.Bd5 Qd5 19.Qa3 Rad8–+) 18...Bc4 19.Qc4 Qe7 (19...cd4 20.Qc7 Rfd8 21.ed4–+) 20.d5 (20.Ba3 Rac8–+) 20...ed5 21.Qd5 (21.Rd5 Qe6 22.Qd3 Ne5–+) 21...Rad8 (better is 21...Rfd8!? 22.Qb7–+) 22.Qb7 Rfe8 (22...c4 23.Qa7 c3 24.f4–+) 23.Rd5 (23.Qa7 Be5–+) 23...Bf6 (23...Kf8 24.Rfd1 Ne5 25.Qe7 Ke7 26.e4 Rd5 27.Rd5–+) 24.Rfd1 (24.Qa7 Nf8 25.Qe7 Be7–+) 24...Nf8 (24...Ne5 25.Qe7 Be7 26.Bb2–+) 25.Rd8 Rd8 (25...Rd8 26.Rd8 Qb7–+) 0–1. Frantz,John W – Griffin,John (1610), Romulus op, 2000.

8.cd5 cd5 9.Qb3 Nb6 10.d3 Be6 11.Bd4 Re8 12.Nbd2 Bf5 13.Rac1 Nbd7 14.Qb2 Bg4 15.h3 Bf3 16.Nf3 (worse is 16.gf3 e5 17.Bc5 Nc5 18.bc5 Qc8+=; 16.Bf3?! e5 17.Bc3 Qb6=) 16...Nh5 17.Ne5 Nhf6 18.Rc2 Nf8 19.Ng4 Ne6 20.Nf6 ef6 21.Rfc1 Nd4 22.Qd4 f5 23.Qc5 d4 24.ed4 Bd4 25.Qb5 Qb6 (25...Re7 26.Bf3 a6 27.Qa5=) 26.Qb6+= Bb6 27.a4 a5 28.ba5 Ra5 29.Rb1 Bc7? (better is 29...Bd4!?+=) 30.g3 ½–½. Pal,Peter (2200) – Gregorova,Zuzana (2170), SVK–chT1E, 2006. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d5 7.0-0 Nbd7)

8.cd5 cd5 9.Qb3 e6 10.Rc1 Ne4 11.Bg7 Kg7 12.Nc3 Nd6 13.a4 Nf6 14.Qb2 Kg8 15.Ne5 Nd7 16.Nb5 Ne8 17.f4 f6 18.Nf3 a6 19.Nbd4 Qe7 20.b5 a5 21.Nb3 e5 22.fe5 fe5 23.Na5 e4 24.Nd4 Ne5 25.Qa3 ½–½. Vidonyak,Roman (2450) – Egger,Thomas (2305), BL2–Sued, 2003.

8.cd5 cd5 9.d3 b6 10.Qb3 Bb7. pcmvr (2305) – eik (2395), net–chess.com, 2006.

8.cd5 cd5 9.d3 Nb6 10.a4=.

8.cd5 cd5 9.d3 Re8 10.Nc3 e5 11.Rc1 e4 12.Nd4 Ne5 13.Ncb5 Re7 14.de4 Ne4 (14...de4 15.Qc2=) 15.f4 Nc4 (better is 15...a6 16.fe5 ab5 17.Nb5 Ra2=) 16.Bc4 dc4 17.Nc6! Qe8 (17...bc6 18.Qd8) 18.Ne7 Qe7 19.Bg7 Kg7 20.Qd4 Nf6 21.Rc4 Be6 22.Rc7 Qe8 (22...Qd8 23.Rb7 Qd4 24.ed4 Ba2 25.Ra7 Ra7 26.Na7+–) 23.f5 (23.Na7?! Bd5+–) 23...Ba2 (23...gf5 24.Nd6 Qd8+–) 24.fg6 Rd8 (24...Qd8 25.gf7 Qd4 26.f8Q Kf8 27.ed4 Kg8 28.Rf6 Rb8+–) 25.Qf6 (25...Kg8 26.gf7 Bf7 27.Rf7 Qf7 28.Qf7 Kh8 29.Qf6 Kg8 30.Qd8 Kg7 31.Qf6 Kg8 32.Qf8) 1–0. kamret (2225) – gladiator_ir (1890), GameColony.com, 2003.

8.cd5 Nd5 9.a3?? (9.Bg7 Kg7 10.Qb3 N7f6=) 9...e6 (better is 9...Bb2 10.Ra2 Bg7–+) 10.Bg7+/– Kg7 11.Nc3 Qf6 12.e4 (12.Ne4!? Qe7 13.d4+=) 12...Nc3 13.dc3 Qc3 14.Nd4 (14.Qd6 e5=) 14...e5 15.Nf3 Nf6 16.a4 (16.Qb1!? Be6 17.b5=+) 16...Ne4 17.Rc1 Qb4?? (17...Qb2 18.Rc2 Qb3–/+ (< 18...Qb4 19.Rc4 Qd6 20.Re4 Qd1 21.Rd1+=)) 18.Ne5?? (better is 18.Rc4 Qd6 19.Re4 Qd1 20.Rd1+=) 18...Qe7 (18...Bf5 19.Bc4–+) 19.Qd4–/+ Nf6 (19...f6 20.Qe4 Qe5 21.Qf3–/+) 20.Bc4 Be6 21.Be6 fe6 22.Rfe1 Rfd8 23.Qc3 Rd5 24.g4 (24.Rb1 Rad8=+) 24...Kf8 25.Re3 Rad8 26.Rf3 Rd1 27.Rd1= Rd1 28.Kg2 g5?? 29.Nc4 Kg7 30.Ne5 h6?? 31.h4 gh4?? 32.g5?? hg5?? 33.Ng4?? h3 34.Kh3 e5 35.Nf6+/– Rd4 36.Ng4 Qe6= 37.Rg3 c5?? 38.Qf3?? Rf4? 39.Qb7+– Kg6 40.Qb8 Rg4? 41.Rg4 e4 42.Qh8 Kf5 43.Qf8 Ke5 (44.Qc5 Kf6 45.Qg5 Kf7 46.Qf4 Ke7+–; 43...Kg6 44.Qc5 Qf6+–). reverendrev – Bennyhill, Caissa.com, 2004.

8.a3 Nbd7 9.Nc3 Ne4 10.Rc1 Nc3 11.dc3 Ne5 12.cd5 ed5 13.c4?? (better is 13.Ne5 Be5 14.Qd2+=) 13...Nf3–+ 14.Bf3 Bb2 15.Rc2?! (15.Rb1 Be5 (15...Ba3?! 16.Qb3–/+) 16.cd5 Qc7–+) 15...Bg7 (better is 15...Ba3 16.cd5 cd5–+) 16.cd5 cd5 17.Bd5 Qg5 18.e4 a5 19.Rc7 Be6 (better is 19...ab4!? 20.ab4 Be5 21.Rf7 Rf7 22.Bf7 Kg7 23.f4 Bf4 24.Bd5–+) 20.Be6 fe6 21.Qd7 Qf6 22.Rb7 ab4 23.ab4?? (23.e5 Qe5 24.ab4–+) 23...Ra1 (23...Qf2! 24.Rf2 Ra1 25.Qd1 Rd1 26.Rf1 Rff1) 24.b5?? Rf1 (24...Rf1 25.Kf1 Qf2) 0–1. elsh1403 – braknika321 (1730), kurnik, 2011.

8.a4 Qb6 9.Qb3 dc4 10.Bc4 Nd5 11.Bg7 Kg7 12.Qb2 Kg8 13.b5 a6 14.Nc3 Nc3 15.dc3 ab5 16.ab5 Ra1 17.Ra1 cb5 18.Bb5 Bd7 19.c4 Bb5 20.cb5 Nd7 21.Ne5 Ne5 22.Qe5 Rc8 23.h3 Rc5?? 24.Qb8 Kg7+= 25.Ra8 Rc1 26.Kh2 Qb5?? 27.Qf8 Kf6 28.Qh8 Kg5 29.Qh7 Kf6 30.Rf8 Qe5?? 31.f4+– Qc7 32.Qh4 Kf5 33.Qg4 Ke4+= 34.Qf3 Kd3 35.e4 Kd4 36.Ra8 Rc2 37.Ra4 Kc5 38.Qe3 Kd6+/– 39.e5 Ke7 40.Rd4 Rc3 41.Rd3 Rd3 42.Qd3 g5 43.g3 gf4 44.gf4 b5? 45.Kg3 Qc4 46.Qd6 Ke8 47.Qb8 Ke7 48.Qd6 Ke8 49.Qd2 b4 50.Qd6 Qc3 51.Kg4 Qe3 52.Qb4 Qe2= 53.Kg5 Qg2 54.Kh4 Qe2?? 55.Qd4 Qf2?? 56.Qf2+– (56.Qf2 Kd7 57.Qa7 Kd8 58.Qf7 Kc8 59.Qe6 Kb8 60.Qd6 Ka8 61.e6 Kb7 62.e7 Ka7 63.e8Q Kb7 64.Qeb8) 1–0. elsh1403 – ktm62, kurnik, 2011.

8.a4 Nbd7 9.Nc3 a6 10.d4 dc4 11.Bc4 b5 12.ab5 cb5 13.Be2 (better is 13.Bb5!? Qb6 14.Qa4+/–) 13...Bb7+= 14.Ne5 Ne5 15.de5 Nd5 16.Nd5 Bd5 17.f4 Qb6 18.Bd4 Qb7 19.Bf3 Rfd8 20.Qe2 Rac8 21.Rfc1 Bf3 22.gf3 Qd5 23.Rc5 Rc5 24.Bc5 f6 25.e4 Qd2 26.Qd2+/– Rd2 27.ef6 Bf6 28.Rc1?? Bd4 29.Kh1 Kf7 30.Ra1?? Bc5 31.bc5+= Rc2 32.Ra6 Rc5 33.Kg2 h5 34.Rb6 Kf6 35.h3 h4 36.Kf2 Rc2 37.Ke3 Rb2 38.Kd4 Rb3 39.f5?? gf5–+ 40.ef5? Kf5 41.Kc5 Rf3 42.Rb5 Rh3 43.Kd4 Kf6 44.Ke4 Rh1 45.Kf3 e5 46.Rb4 h3 47.Kg3 Kf5 48.Rb2 e4 49.Rh2 Rh2 50.Kh2 Kf4 51.Kh3 Kf3 52.Kh2 Kf2 53.Kh3 e3 54.Kg4 e2 55.Kf5 e1Q 56.Kf6 Kf3 57.Kf5 ½–½. elsh1403 – lakyluciano (1630), kurnik, 2011.

8.Qb3 Nbd7 9.Nc3 b6 10.cd5 cd5 11.d4 Ne4 12.Rfc1 Bb7 13.a4 Nd6 14.b5 Rc8 15.Ba3 Nf6 16.Na2 Nfe4 17.Nb4 Qe8 (better is 17...Qd7!?=) 18.Rc8+/– Qc8 19.Nc6 Bc6 20.bc6 (better is 20.Rc1!?+/–) 20...Qc6= 21.Rc1 Qb7 22.a5 b5 23.Ne5 Rd8 24.Qb2 f6 (24...Be5 25.de5 Nc4 26.Bc4 dc4 27.f3–+) 25.Bd6 Nd6 (25...Rd6?! 26.Qb5 Qb5 27.Rc8 Qe8 28.Re8 Bf8 29.Bb5=) 26.Nd3 Nc4 27.Nc5 Qc6 (27...Nb2 28.Nb7 Rb8 29.Rc7+/–) 28.Bc4 dc4 (28...bc4 29.a6 Bf8 30.Qb7 Qb7 31.ab7–/+ (31.Nb7? Rc8–+)) 29.Nd3 Bf8 30.Nb4 Qd6 31.Na2 a6 32.g3 Rc8 33.e4 b4 34.e5 fe5 35.de5 Qc5 36.Qe2 b3 37.Nc3 Qa5 (37...Qa5 38.Nb1 Rc6–+) 0–1. Kievelitz,B (1920) – Schmidt,Fabian (1765), Lichtenberger Sommer, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 e6)

8.Nc3 Nbd7 9.Qb3 Qb6 10.a4 a5 11.b5 Rb8 12.Ba3 Re8 13.Rab1 Qc7 14.h3 Nb6 15.c5 Nbd7 16.b6 Qd8 17.Nd1 e5 18.d4 e4 (better is 18...ed4!? 19.Nd4 Ne4+=) 19.Nd2+= Nf8 20.Qc3 N6d7 21.Qa5 f5 22.Qc3 f4 23.ef4 Qf6 24.Bb2 Qf4 25.Qe3 Ne6 26.Bg4 Qf7 27.Be6 Re6 28.f3 ef3 29.Qf3 Qf3 30.Nf3 Nf6 31.Ng5 Re8 32.Nf2 Bf5 33.Ra1 Ne4 34.Nfe4+/– Be4 35.a5 Re7 36.Rfe1 Ra8+/– 37.Ra3 h6 38.Nf3 Bf6 39.Bc1 Bf3 40.Re7 Be7 41.gf3 (41.gf3 Bf6 42.Ra4+/–) 1–0. orangutanb4 (2015) – cycxp (1695), kurnik, 2011.

8.d4 b6 9.Nc3 Bb7 10.a3 c5 11.Nb5 dc4 12.Bc4 a6 13.Nc3 b5 14.Be2 cb4 15.ab4 Nc6 16.Qb3 Rc8 17.Rfc1 Re8 18.h3 Bf8 19.Ba3 Qb6 20.Rc2 Ne7 21.Rac1 Ned5 22.Nd5 Nd5 23.Ne5 Rc2 24.Rc2 Rc8 25.Nd7 Qd6 26.Nf8 Qf8 27.Bf3 Ba8 28.Rc5 Rc5 29.dc5 Qg7 30.Bb2 Qh6 31.e4 Nf4 32.Qc3 f6 33.Qf6 Bb7 34.Qh8 (34.Qh8 Kf7 35.Qd8 Nh3 36.gh3+–) 1–0. nizinna – messerschmidt1 (1745), kurnik, 2011.

8.d4 b6 9.c5 b5 10.a4 Ba6 11.Nc3 Nbd7 12.ab5 Bb5 13.Nb5 cb5 14.Bb5 Qc7 15.Be2 Ne4 16.Nd2 Nd2 17.Qd2 e5 18.Ra6 ed4 19.Bd4 Bd4 20.ed4 Kg7 21.Rfa1 Nf6 22.Qg5 Ne4 23.Qd5 Nc3 24.Qf3 Ne2 25.Qe2 Rae8 26.Qf3 Qe7 27.g3 Qe4 28.Qe4 Re4 29.Rd6 Rb8 30.Rb1 a5 31.b5 a4 32.b6 a3 33.Ra1 Rbe8 34.Ra3 Re1 35.Kg2 Rb1 36.Rd7 Re2 37.Rf3 (37...h5 38.Rff7 Kg8 39.Rg7 Kf8 40.Rdf7 Ke8 41.d5+–) 1–0. Schinkmann,Karl – Schmidt,Hans Georg, SVR–ch Seniors, 1998.

8.d4+= dc4 9.Bc4 Nd5 10.a3+=.

8.d4+= Nbd7 9.c5 b6 10.a4 a5 11.b5 bc5 12.bc6 Nb8 13.Bb5 c4 14.Ne5 Ba6 15.Ba3+/– Re8 16.c7 Qc7+= 17.Be8 Ne8 18.Nc3 Be5 19.de5 Qe5 20.Nb5 Bb5 21.ab5 Nd7 22.Qd4 Qd4=+ 23.ed4 Rb8 24.Rfb1= Nc7 25.b6?? Na8 26.b7 Nc7?? 27.Bd6+– (27...c3 28.Bc7+–) 1–0. toll (1680) – Eight_Squared (1715), ICC, 2003.

8.d4 Nbd7 9.Nbd2 Re8 10.Qc2 Kh8 11.a4 Ng8 12.e4 dc4 13.Bc4 Nb6 14.Bb3 Qf6 15.b5 cb5 16.ab5 Bd7 17.Qd3 Rac8? (better is 17...Ne7!?+/–) 18.Ra7+– Rb8 19.e5 Qf4 20.Ne4 Nd5 21.Nd6 Nge7 22.Ne8 Be8 23.h3 Nb4 24.Qc4 Ned5 25.Ba3 Bb5 26.Qb5 Nc6 27.Rb7 Rb7 28.Qb7 Nce7 29.Bd5 ed5 30.Be7 h6 31.Qd5 Kh7 32.Qd8 Qg5 33.Bg5 (33.Bg5 h5 34.Rc1 Bh8 35.Rc8 Be5 36.Qg8#) 1–0. iwan19999 (1655) – bspasski, kurnik, 2012.

8.cd5 ed5 9.a3 Be6 10.d4 Nbd7 11.Nbd2 Bf5 12.Nb3 Ne4 13.Bd3 Ndf6 14.Qc2 Qd6 15.Nc5 Ng4?? (better is 15...b6!? 16.Nb3 Rfe8+=) 16.Ne4 (16.Be4?! de4 17.Ne5 Ne5 18.de5 Qe7=; 16.Nb7?! Qc7 17.Nc5 Ng5+–) 16...de4 17.Be4 Be4 18.Qe4 Nf6 19.Qe5 Qd7 20.Qc5 Ne4 21.Qc2 Rfe8 22.Rfd1 Rac8 23.Rac1 Nd6 24.Ne5 Qe6 25.Nc4 Ne4 26.Nd2 Ng5 27.d5?? Qd5? 28.Bg7+– Kg7 29.Nf1 Qe6+/– 30.Ng3 Rcd8? 31.Rd8+– Rd8 32.Rd1?? Rd1+= 33.Qd1 Qd5 34.Qd5 c5?? 35.Qc5 (35.Qc5 Ne6 36.Qa7+–) 1–0. Fournier,Frederic (1795) – touaki (1955), Active (5/0), 2004.

8.Qc2 Na6 9.a3=.

8.Qc2 Nbd7 9.d3 (9.Nd4 a5=) 9...Rc8 (9...dc4 10.dc4 a5 11.a3=) 10.Nbd2 h6 11.a4 Kh7 (11...c5 12.b5+=) 12.a5 a6 13.h3 (13.Nd4 Qc7+/–) 13...Re8 (13...dc4 14.dc4 c5 15.b5+=) 14.Nd4 dc4 (14...Nf8!?+=) 15.Ne6+/– fe6 16.Qc4 Nf8 (16...Rf8 17.Qe6 c5 18.Rfc1+/–) 17.Qc2 (17.Nb3 Qd5+/–) 17...N8d7+/– 18.Nc4 Qc7 (18...Rf8 19.Rac1+/–) 19.f4 (19.d4 Nd5 20.Bd3 Nf8+/–) 19...Rf8+/– 20.Rf3 Nd5 21.Qb3 (21.Bg7 Kg7 22.Qb2 Kg8+/–) 21...b5? (21...e5 22.fe5 Be5 23.Raf1 Rf3 24.Bf3 (24.gf3?? Bh2 25.Kh1 Qg3–+) 24...Bb2 25.Qb2+=) 22.Nd2?? (22.ab6 Qb7+–) 22...Qa7? (better is 22...Bb2!? 23.Qb2 e5=) 23.d4+/– h5 (23...Qc7 24.Ne4+/–) 24.Bd3 (24.Rg3 Bh6+–) 24...Kh6 (24...e5 25.fe5 h4 26.e6+–) 25.g4 (25.Rg3 Rf6+–) 25...hg4 26.hg4 Bf6? (better is 26...Bh8+–) 27.Rh3 (27.g5 Bg5 28.fg5 Kg7+–) 27...Kg7 28.g5 Nf4 (28...Rh8 29.Rg3+–) 29.ef4 (better is 29.gf6 Nf6 30.ef4+–) 29...Bd4 30.Bd4?? (better is 30.Kh1 Rh8 31.Rh6 Bb2 32.Qb2 e5 33.Re1+– (33.fe5 Qe3 34.e6 Nf6–/+)) 30...Qd4= 31.Kh1?? (31.Kg2 Rf4 A) 32.Qe6? A1) 32...Qa1?? 33.Rh7 (33.Qd7?! Qe1 34.Ne4 Re4 35.Qc8 Qd2 36.Kg1 Re1 37.Bf1 Qg5 38.Kf2 Qd2 39.Kg1 Qb4=) 33...Kf8 34.Qd7+–; A2) 32...Rf2 33.Kh1 Qa1 (33...Rd2?? 34.Rh7 Kh7 35.Qg6 Kh8 36.Qh7) 34.Nb1 Qe5 35.Qg6 Kf8–+; B) 32.Rd1+=) 31...Qa1–+ 32.Bb1 (32.Kg2 Qc1 33.Qe6 Qd2 34.Kg1 Qc1 35.Kg2 Qb2 36.Kg3–+) 32...Rf4?? (better is 32...Qd4 33.Qe6 Qd5 34.Qd5 cd5–+) 33.Rh6?? Attacking the isolated pawn on g6 (33.Qe6 Nf8 34.Qc8–+) 33...Nf8–+ 0–1. GuestXNTZ – GuestKFCR, freechess.org, 2017.

8.c5 Bg4+=.

8.d3 Nbd7 9.Nbd2 Nb6 10.c5 Nbd7 11.Ng5 Qc7 12.Ne6 fe6 13.d4 e5 14.f4 ef4 15.ef4 Rae8 16.Qc2 e6 17.g3 Rf7 18.Rae1 Nf8 19.a4 a6 20.b5 Bh6 (20...cb5 21.ab5 ab5 22.Nf3+=) 21.b6 Qb8 22.Qd3 ½–½. Fournier,Frederic (2215) – Rosinosky Virgile, Open Paris FRA, 2002.

8.Nd4 Qd7 9.Ne6 Qe6 10.Qb3 Nbd7 11.d4 a5 (11...Ne4 12.Rd1=) 12.ba5 Ra5 13.cd5 (worse is 13.Qb7 Rb8 14.Qc7 Rb2 15.Qa5 Re2=) 13...Nd5 14.Nc3 (14.Qb7?? Rb8 15.Qb8 Nb8–+) 14...Nc3 (14...Ra7 15.Nd5 cd5 16.Rfc1+=) 15.Bc3 Qb3 16.ab3 Ra1 (16...Raa8 17.Bb4+=) 17.Ra1 (17.Ba1?! Ra8=) 17...c5 (17...e5 18.de5 Ne5 19.Ra7+=) 18.Ra7+/– cd4 19.Bd4 (worse is 19.ed4 Rc8 20.Rb7 Rc3 21.Rd7 Rb3 22.Rd8 Bf8=) 19...Bd4 (19...Rb8 20.Bf3+=) 20.ed4 Rb8 (20...e6 21.Rb7 Rd8 22.Bf3+/–) 21.Bf3 Nf6 (21...Nf8 22.Bb7 Ne6 23.Bd5+/–) 22.Rb7 Rb7 (22...Rd8 23.Re7 Rd4 24.Kf1+/–) 23.Bb7+– Kf8 24.b4 Ke8 25.Kf1 (25.f4 Kd7 26.b5 Kc7+/–) 25...Kd7+/– 26.Ke2 (26.b5 Kc7 27.Bc6 e6+–) 26...Kc7 27.Bf3 Kb6 28.Kd3 Kb5 29.Kc3 Nd7 (29...e6 30.h4+–) 30.Be2 (30.d5 Kb6+–) 30...Kb6 31.Bc4 (31.d5 e6 32.de6 fe6+–) 31...e6 32.d5 e5 33.Kd3 f5 34.f4! e4 (34...ef4 35.Kd4 Combination) 35.Kd4 Kc7 36.Bb5 Nf6 37.Kc5 Ng4 (37...e3!? 38.Be2+–) 38.d6 Kd8 39.Be2 Nf6 40.b5 Nd7 41.Kc6 Nb8 (41...Kc8 42.g4+–) 42.Kb7 Nd7 43.b6 Nc5 44.Kc6 Nd7 45.b7 Nb8 (45...h6 46.g4 e3 47.gf5 gf5 48.h4+–) 46.Kd5 (better is 46.Kb6 Kd7 47.Ka7 Nc6 48.Ka8 Kd6+–) 46...Nd7 (46...e3 47.Bb5+–) 47.g4 (better is 47.Bb5 Nb8+–) 47...Nb6 (47...fg4 48.Bg4 Nb8 49.Ke4 Na6+–) 48.Kd4 Nd7 49.gf5 gf5 50.Bb5 Nb8 51.Ke5 1–0. DEFFM – hereismukesh, freechess.org, 2018.

8.Nd4 Bd7 9.d3=.

8.cd5 cd5 9.Nc3=.

8.cd5 Bd5 9.Nc3 Ne4 10.Qc2 Nc3 11.Bc3 Bc3 12.dc3 Qc7 13.e4 Be6 14.Rfd1 Nd7 15.Nd4 Qe5? (better is 15...Rad8!?+/–) 16.f4!+– (16.Ne6?! Qe6 17.Bc4 Qc4 18.Rd7 b5+/–) 16...Qf6 (16...Qf4 17.Ne6) 17.e5 (17.Ne6?! Qe6 18.Bc4 Qc4 19.Rd7 b5+/–) 17...Qh4? (17...Qf4 18.Ne6 fe6 19.Rd7 Rad8 20.Rd8 Rd8+–) 18.Ne6 fe6 19.g3 (< 19.Rd7 Qf4 20.Rb7 Qe3 21.Kh1 Rf2+–) 19...Qh6 20.Rd7 Qg7 (20...g5 21.fg5 Qg5 22.Rb7+–) 21.Rb7 Rfd8 22.Bc4 Kf7 23.Qe4 c5 24.f5 Kg8 25.f6! ef6 (25...Qf6 26.ef6) 1–0. Bonetti,Shane – Zerberus, ICC, 2002.

8.cd5 Nd5 9.Bg7 Kg7 10.Nc3 Nb4 (10...Nd7 11.Nd5 Bd5 12.Qc2=) 11.Rb1+= a5 (11...N8a6 12.Qa4 b5 13.Qa3+/–) 12.a3+/– Nd3 (better is 12...Nd5!?+/–) 13.Qc2+– Nc5 (13...Bc4 14.Rb7 Ba6 15.Rbb1+–) 14.d4 Nca6 (14...Ncd7 15.Rb7 Nf6 16.Ng5+–) 15.Rb7 Nd7 16.Rfb1 (16.Ng5 Qc8 17.Qb2 Kh6 18.Ne6 fe6+–) 16...c5 (16...Nc7 17.h3+–) 17.d5 Bf5 (17...Bg4 18.Bb5 Nc7 19.Bd7 Bd7 20.e4+–) 18.e4 Bg4 19.Ng5 Be2 20.Qe2 (better is 20.Ne2 Kg8 21.Qc4 Nc7+–) 20...Ne5?! (20...h6 21.Nf3 c4 22.Qc4 Nac5+–) 21.f4 Nd7 (21...h6 22.fe5 hg5 23.Qc4+–) 22.e5 e6 (22...c4 23.e6 Nf6 24.ef7 Nc5 25.Qc4 Rc8+–) 23.de6 Ndb8 (23...h6 24.Rd7 Qe8 25.Nf7 Qe6+–) 24.ef7 Qd4 25.Kh1 Qc3 26.Ne6 (26.Ne6 Kh8 27.Nf8 Qc1 28.Rc1 Nd7 29.Nd7 c4 30.e6 h5 31.Qe5 Kh7 32.Nf6 Kh6 33.f8Q Rf8 34.Rh7) 1–0. guestpljc – guestkwem, internet free game, 2018. (=1.b4 g6 2.Bb2 Nf6 3.e3 Bg7 4.Nf3 0-0 5.Be2 c6 6.c4 d5 7.0-0 Be6)

8.a4 a6 9.Qb3 Bg4 10.h3 Be6 11.Ng5 (11.c5!?+=) 11...dc4+= 12.Bc4 Bc4 13.Qc4 e6 14.f4 h6 15.Nf3 Qd5 16.Qc2 Nbd7 17.d3 Qd6 18.Nbd2 Nd5 19.Nc4 Qb4 (19...Nb4 20.Qb3 Qe7 21.Rab1 Bb2 22.Rb2+=) 20.Bg7= Kg7 21.Rfb1 Qc5 (21...Qc3!? 22.Qc3 Nc3 23.Rb7 Nc5=) 22.Rb7+/– Ne3 (better is 22...Red8 23.Re1 Rab8 24.Qb2 Kf8 25.Rb8 Nb8+/–) 23.Ne3?? (better is 23.Qc3 e5 24.Rd7 Nd5 25.d4 ed4 26.Qd4 Qd4 27.Nd4+–) 23...Qe3–/+ 24.Kh1 Red8 25.Qc6 Qd3 26.Rc1 Kg8 (26...Rab8 27.Rc7–/+) 27.Rc4 Nf6 28.Ne5 Qg3 29.Rc1 Rf8?? (better is 29...Qf4 30.Qc7 Nd5 31.Qf7 Qf7 32.Nf7 Rdb8 33.Nh6 Kh8=) 30.Rc4?? (better is 30.Rf7 Rf7 31.Qa8 Rf8 32.Qa6+–) 30...Rad8–/+ 31.Nd7 Nd7 32.Rd7 Rc8 (better is 32...Qf2!? 33.Kh2 Rd7 34.Qd7 Rb8–/+) 33.Qa6= Rb8 34.Rb7 (34.Rd1 Rb2 35.Qc6 Rfb8+=) 34...Rbd8–/+ 35.Rb1 Qd3 (35...Rd2!? 36.Qb7 Rfd8–/+) 36.Rbc1 Ra8 37.Qb7 Qa3 38.Qb4 Qa2 39.R1c2 Qa1 40.Rc1 Qa2 41.R1c2 Qa1 42.Rc1 ½–½. Wolf,Heinz – Grabowietzki,Helmut, Verbandsliga Nord Baden, 1995.

8.a4 Nbd7 9.d4 Ne4 10.Nc3 Ndf6 11.Ne5 Nc3 12.Bc3 Ne4 13.Bb2 f6 14.Nf3 e5 15.cd5 cd5 16.de5 fe5 17.Nd2 Nf6 18.Nf3 Ne4 19.Qb3 Be6 20.Qd3 Bf7 21.Qb5 Qe7 22.Rad1 a6 23.Qa5 Rac8 24.Rd5? Rc2 25.Be5?? Re2–+ 26.Bg7 Kg7 27.Re5 Qf6 28.Re8+= Be8 29.Qc7 Bf7 30.Qb7 Nd2 31.Nd2 Rd2 0–1. typ48 – majlina (1645), kurnik, 2011.

8.a4 Bg4 9.Qb3=.

8.a4 Bg4 9.b5 Bf3 10.Bf3 e5 11.d3 Nbd7 12.Nc3 d4 (12...e4 13.de4 Ne4 14.bc6 bc6= (worse 14...Nc3 15.Bc3 Bc3 16.cd7 Qd7 17.Rb1+/-)) 13.ed4+/- ed4 14.bc6 (14.Ne2!? c5 15.Bb7+/-) 14...dc3= 15.cd7 Qd7 (better 15...Nd7!? 16.Ba3 c2 17.Qc2 Ba1 18.Ra1 Qc7=) 16.Bc3+/- Red8 (16...Rad8 17.Qb3+/-) 17.Qc2 (17.Rb1!? Qd3 18.Qd3 Rd3 19.Bf6 Bf6 20.Rb7 Bd4+-) 17...Qd3+/- 18.Qd3 (18.Qb2 Qf5 19.Bb7 Rab8+/-) 18...Rd3 19.Bf6 Bf6 20.Rab1 Rad8 (20...Rb8 21.Bb7 Bd4 22.Rb5+=) 21.Rb7+/- R3d4 (better 21...R8d7!?+/-) 22.Bd5+- (22.Ra7?! Rc4 23.g3 Rd2+/-) 22...a5 23.Rf7?? (better 23.Bf7 Kh8 24.Rb5+-) 23...R4d5 (better 23...R8d5!? 24.Rf6 Rc4=+) 24.Rf6+/- Rc5 25.Rf4 Rdc8 (25...Rb8 26.Rd4+/-) 26.Rc1 Rd8 (26...Rb8 27.Kf1+/-) 27.g3 Rd2 (27...Rb8 28.Rd1+-) 28.Rb1 Ra2 (28...Rc2 29.Rb8 Kg7 30.Rb7 Kg8 31.Rff7 R2c4 32.Rg7 Kf8 33.Rh7+-) 29.Rb5 Rb5 30.cb5 Rb2 (30...g5 31.Rg4 h6 32.h4+-) 31.Rd4 Kf7 32.Kg2 (better 32.Rd7!? Ke6 33.Ra7 g5+-) 32...Ke6 33.Rc4 Rb4 34.Rc6 (34.Rh4!? h5+-) 34...Kd7 (34...Kd5 35.Rc7+-) 35.Rc2 (better 35.Ra6!? Ra4 36.h4+-) 35...Ra4+/- 36.Rb2 (better 36.b6 Rb4 37.Rc7 Ke6 38.b7+/-) 36...Rb4=+ 37.Ra2 Rb5 38.Kf3 Ke6 39.Kg4 h6 40.h4 Rb4 41.Kf3 (41.f4 Rb5=+) 41...a4 42.Kg2 (better 42.Ke3=+) 42...Rb3?? (better 42...Kd5-/+) 43.Ra4+/- Kf5 (43...h5 44.Re4 Kf5 45.Re3+/-) 44.Ra6 (44.g4 Kf6+-) 44...h5+/- 45.Ra5 Kg4?? (45...Ke6 46.Ra8+/-) 46.Ra4 (46.Rg5) 46...Kf5+/- 47.Ra5 Kg4 48.Ra4 (48.Rg5) 48...Kf5= 49.Ra5 ½-½. Edosyan (1905) - nader_rajaii999 (1890), Rated Blitz game, lichess.org, 2015.

8.a4 Bg4 9.d4 a5=.

8.Qc2 Bf5 9.Qb3 e6 10.Nc3 Nbd7 11.Nd4 dc4 12.Bc4 Nb6 13.Be2 Be4 14.Ne4 Ne4 15.Rfd1 Nd5 16.Rac1 Rc8 17.a3 a6 18.f3 Nef6 19.a4 Qb6 20.b5 a5 21.Ba3 e5 22.Bc5 Qd8 23.Nc2 b6 24.Ba3 c5 25.d4 ed4–/+ 26.Bc4 de3 27.Bd5= Nd5 28.Rd5 Qe7 29.Re1+/– e2 30.Rd2 Qh4? 31.Rde2+– Re2 32.Re2 Rd8 33.Qb1 Qa4+= 34.g3 Bd4 35.Nd4+= Qd4 36.Kg2 c4 37.Be7 Re8+= 38.Qe1 c3 39.Ba3 Re2 40.Qe2 Qd2 41.Kf2 Qd4? 42.Kf1?? h5?? 43.Qe8+– Kg7 44.Qf8 (44.Qf8 Kh7 45.Qf7 Qg7 46.Qg7 Kg7 47.Ke2+–) 1–0. orangutanb4 (1940) – 180s (1800), kurnik, 2011.

8.Qc2 Bf5 9.d3 Bg4 10.h3 Bf3 11.Bf3 (worse is 11.gf3 Qd6+=) 11...e5 12.Nc3 Na6 13.a3 Nc7 14.Rfd1 Qe7 15.Rac1 Rac8 16.Qb3 dc4 17.Qc4 Ne6 18.g3 Nd7 19.Bg2 f5 20.b5 Nb6 21.Qb3 Qg5 22.a4 Kh8 23.a5 Nd7 24.a6 Ndc5 25.Qa2 ba6 26.bc6 f4 27.d4 (27.ef4!? ef4 28.Qd5+/–) 27...ed4+= 28.ef4 Qf6 (28...Qf5 29.Nd5 Nd3+= (worse is 29...Rc6 30.Ne3 de3 31.Bg7 Ng7 32.Bc6+–)) 29.Na4+/– Na4 30.Qa4 g5 (30...Rc7 31.Qa5+/–) 31.fg5+– (31.Qa6?! gf4 32.Qd3 Rc7+=) 31...Qg5 32.Qa6 Rc7 33.Qd3 Rf7 34.h4 Qf6 35.Rc2 Rc8 (35...Rc7 36.Re2 Rce7 37.Ba3+–) 36.Bd5 Rfc7 37.Qc4 Qg6 (37...Nd8 38.Bd4 Qg6+–) 38.Be6 Rc6 (38...Re8 39.Bd5+–) 39.Qc6 (39.Bc8?! Qc2 40.Qc2 Rc2 41.Bd4 Bd4 42.Rd4 Rc8+/–) 39...Rc6 40.Rc6 h5 (40...Qe8 41.Rdc1 Be5 42.Rc8 Qc8 43.Rc8 Kg7 44.f4+–) 41.Rc8 Kh7 42.Bg8 (42.Bg8 Kh8 43.Bf7 Kh7 44.Bg6 Kg6 45.Rc6 Kf7 46.Ra1+–) 1–0. Mamuzic,Mirko (2265) – Grkovic,Konstantin (1895), Subotica City–ch, 2008. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d5 5.Be2 0-0 6.0-0 c6 7.c4 Re8)

8.Nc3 e5 9.d3 Qe7 10.a3 e4 11.Nd4 ed3 12.Bd3 dc4 13.Bc4 Nbd7 14.Qb3 a5 15.Rad1 Ne5 16.Be2 ab4 17.ab4 (17.Qb4? c5 18.Qb3 cd4 19.ed4 Be6–+) 17...Bf8 18.b5 c5 19.Nf3 Be6 20.Qc2 Nf3 21.Bf3 Bg7 22.Na4 Bf5 23.Qc4 Be6 24.Qc2 Bf5 25.Qc4 Be6 ½–½. Marchio,Enrico (2270) – Galdunts,Sergey (2495), Oberliga Ost–B, 2004. (=1.Nf3 d5 2.b4 Nf6 3.e3 g6 4.Bb2 Bg7 5.c4 c6 6.Be2 0-0 7.0-0 Re8)

8.d4 Qd6 9.a3 dc4 10.Bc4 Be6=.

8.d4 Nbd7 9.a4 Ne4 10.Qb3 e6 11.b5 dc4 12.Bc4 cb5 13.ab5 Nb6 14.Bd3 Nf6 15.Nbd2 Bd7 16.Ne5 Nfd5 17.f4 (better is 17.Ne4+/–) 17...Ne3–/+ 18.Bg6 Nf1?? (better is 18...hg6 19.Qe3 Bb5–/+) 19.Bf7+– Kh8?? (19...Kf8 20.Ba3 Re7 21.Rf1 Nd5+–) 20.Rf1 (20.Ng6 hg6 21.Qh3 Qh4 22.Qh4 Bh6 23.Qh6) 20...Rf8?? (20...Be5 21.Be8 (worse is 21.de5 Re7 22.Bh5 Bb5–/+) 21...Qe8 22.de5 Bb5 23.Rf2+=) 21.Be6 Be6 22.Qe6 Qd5 23.Nf7?? Rf7–+ (23...Rf7 24.Qd5 Nd5–+) 0–1. carocan (1715) – brur10, kurnik, 2011.

8.d4 Nbd7 9.Nbd2 a5 10.b5 dc4 (10...cb5 11.cd5 Nd5 12.Bb5+=) 11.bc6 bc6 12.Nc4 c5 13.Qc2 (13.Rc1 Ba6+=) 13...Bb7 14.Rfd1 Qc7 (14...Be4 15.Qa4+=) 15.Nce5 (15.Nfe5 Ne5 16.de5 Nd5+=) 15...Ne5 (15...Rec8 16.Bc4 e6 17.dc5 Bf3 18.Nf3 Qc5 19.Rac1=) 16.Ne5 Rec8 17.Rac1 Nd5 18.Bc4 (better is 18.Qd2+/–) 18...cd4+= 19.ed4 Bh6 20.h3 (20.Bd5 Qc2 21.Rc2 Rc2 22.Bf7 Kg7 23.Ba1–+) 20...Bc1–+ 21.Rc1 Ba6 22.Qe4 (22.Bb3 Qc2 23.Rc2 Rc2 24.Bc2 e6–+) 22...Bc4 23.Nc4 (23.Rc4 Qb7–+) 23...e6 24.Ne5 (24.Ne3 Qb7 25.Nd5 Qd5 (25...Qb2?! 26.Rc8 Rc8 27.Ne7 Kf8 28.Nc8 Qc1 29.Kh2 Qc8 30.Qe5=; 25...ed5?! 26.Rc8 Rc8 27.Qe2–+) 26.Qd5 ed5–+) 24...Qb7 25.Qf3? (25.Ba3–+) 25...Ra7 (better is 25...Qb2 26.Qf7 Kh8 27.Rc8 Rc8–+) 26.Qf7+=. Lorenc,Tomas – Kyzlink,V, CZE–chTV, 1999.

8.d4 Bg4 9.Nbd2 Ne4 10.Ne4 de4 11.Ne5 (better is 11.Nd2!? Be2 12.Qe2+=) 11...Be2+= 12.Qe2 Be5 13.de5 e6 14.Rfd1 Qg5 15.Rd4 Na6 (15...Qe5?? 16.Rd8!? Qh2 17.Kh2 Rd8 18.Qc2+–) 16.a3 c5 17.Re4 cb4 18.Rg4 Qe7 19.Rd4 Red8 20.Qd3 Rd4 21.ed4 Rd8 22.Qd2 ba3 23.Ba3 Qc7 24.Bd6 (24.Qc3!?+/–) 24...Qc4= 25.Be7 Rd4 26.Qh6+= Qc8 27.Rc1 Qe8?? 28.Bf6 Nc5 29.Qg7 1–0. elsh1403 – lily65 (1640), kurnik, 2011.

8.Ne5 Nfd7 9.f4 Ne5 10.fe5 Be6 11.cd5 cd5 12.d4 f6 13.ef6 ef6 14.Bf3 Bf7 15.Re1 f5 (15...Nd7 16.Re2+=) 16.Nc3 Na6 17.b5 Nc7 18.Qd3 Qd7 19.a4 Rad8 20.Ba3 (20.Rac1 Bf8=) 20...g5 21.g3 Bg6 (21...Ne6 22.Rad1=) 22.Qd2 Kh8 23.Bc5 (23.Rac1 Rc8=) 23...b6 24.Ba3 Re6 (24...f4 25.ef4 gf4 26.Bb2= (worse is 26.Qf4 Ne6 27.Qd2 Nd4 28.Re8 Re8–+)) 25.Re2 (25.Rac1 Kg8+=) 25...Qf7 26.Rf1 Qe8 27.Bc1 Bh6 28.Qa2 g4 29.Bg2 Be3 30.Be3 Re3 31.Rfe1 Re2 32.Qe2 f4 (32...Qf7 33.Qf2=) 33.gf4 (33.Qe7!? Qe7 34.Re7+=) 33...Qe2= 34.Re2 Rd7 35.Re5 Bc2 36.Kf2+/– Kg7 37.Kg3 Kf6 38.Bd5 h6 39.Kg4+/– Ba4 40.Ne4+– Kg7 41.Bc6 Rf7 42.Nd6 Rf6 43.Re7 Kf8 44.Rc7 Bd1 45.Kg3 Rd6 46.d5 Bb3 47.Ra7 Bd5+/– 48.Rc7 Rg6 49.Kf2 Rg2 50.Ke3 Rc2 51.Kd4 Rc5 52.Rc8 Kg7+= 53.Bd7 Rc8 54.Bc8 Bg2?? 55.Ke5+– Bf1 56.Bd7 Be2 57.Kd6 Kf6 58.Kc6 1–0. Schild,Christoph (2245) – Schaefer,Michael (2220), Oberliga Ost–B, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Re8)

8.Na3 Na6 9.b5 Nc7 10.Be5 Bd7 11.Rb1 dc4 12.bc6 Bc6 13.Nc4 Ne6 14.Qb3 Qd5 15.Qa3 Ng5 16.Rfc1 Qe4 17.Bf4 Ne6 18.Bg3 (18.d3 Qd5 19.Be5 Qd7+/–) 18...Nd4+= 19.Bd1 Nf5 20.d3 Qe6 21.Ng5 Qc8 22.Na5 Ng3 23.hg3 Qc7?? (better is 23...Qd7+=) 24.Rb7!!+– (24.Rb7 Qa5 25.Qa5 Bb7 26.Rc7+–) 1–0. Sharif,Mershad – Shahsavar,Khosro, IRI–ch Iran, 1974.

8.a4 dc4 9.Bc4 Bd3 10.Bd3 Qd3 11.Ne5 Qd6 12.d4 Qb4 13.Ba3 Qa5 14.Be7 Re8 15.Bf6 Bf6 16.f4 Qc7 17.Qb3 Na6 18.Nd2 Bg7 19.Ndf3 Qe7 20.h4 (20.Rab1 Rab8+=) 20...Rab8 21.Ng5 Rf8 (worse is 21...Be5 22.fe5 (22.de5?! Nc5 23.Qc2 b6+=) 22...Rf8 23.Rf6+–) 22.Rf3 Nc7 (22...c5 23.Rd1=) 23.Raf1 Ne6 (better is 23...Nd5!?=) 24.Nef7+/– Rf7 25.Ne6 Kh8 (25...Qh4?? 26.Ng5 Rbf8 27.Qe6+– (27.Nf7?! Rf7 28.f5 g5+–)) 26.Rh3 Re8 27.Ng5 Rff8 (27...Rf5 28.g4 Rd5 29.h5 gh5 30.Rh5 (worse is 30.gh5 h6–/+) 30...Qe3 31.Qe3 Re3 32.Rh7 Kg8 33.Rh3+=) 28.Rff3 (28.h5!? gh5 29.Rh5 Qe3 30.Qe3 Re3 31.Nh7 (31.Rh7?! Kg8=) 31...Bd4 32.Nf8 Kg8 33.Kh2 Kf8 34.g4+–) 28...Bf6 29.Rfg3 h5 30.Qd3 Rg8 31.f5 gf5 (31...c5+–) 32.Qf5 Rg7 33.Qf3 Bg5 34.hg5 (34.hg5 Qf7 35.Rh5 Kg8 36.Qd1+–) 1–0. Rustemov,Alexander (2570) – Virovlansky,Semen (2380), Chigorin Memorial, 1998. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 c6 6.Be2 0-0 7.0-0 Bf5)

8.Qb3 Nbd7 9.Na3 (9.cd5 Nd5 10.Bg7 Kg7=) 9...Nb6 (9...a5!?+=) 10.c5 (10.Nd4 Bc8=) 10...Nbd7 11.Nd4 Ne4 (11...a5 12.Nf5 gf5 13.b5 Nc5 14.Qc2=) 12.Nf5+= gf5 (12...Nd2? 13.Qc2 (13.Ng7?? Nb3 14.ab3 e5–+) 13...Nf1 14.Bg7 gf5 15.Bf8 Ne3 16.fe3 Qf8 17.Qf5+–) 13.Bg7 Kg7 14.f3 Nef6 15.Nc2 Qc7 (15...e6 16.Nd4+=) 16.Nd4 f4 (16...e6 17.f4+=) 17.Nf5+/– Kh8 18.d4 (18.Qc3 Rfe8+/–) 18...Rae8 (18...e6 19.Nd6 Ne8 20.Ne8 Rae8 21.e4+=) 19.Rfe1 (19.Rae1+/–) 19...Nh5 (19...Rg8!?+/–) 20.e4 Ndf6 (20...de4!? 21.fe4 Ng7 22.Nh6+–) 21.e5+– Ng8 22.Bd3 e6 (22...Qd7 23.Bc2 Ng7 24.Ng7 Kg7 25.Qd3+–) 23.Nd6 Re7 (23...Ne7 24.Ne8 Re8 25.Rab1+–) 24.Qa4 a6 (24...Nh6 25.Qa7 Ng7 26.Qa3+–) 25.Qc2 f5 26.a4 (26.Qf2 Rd7 27.Qh4 Ng7+–) 26...Rg7 27.b5 Ne7 28.ba6 Ng6 (28...ba6 29.Reb1+–) 29.ab7 Nh4 30.Rab1 (30.Kh1 Rg2 31.Re2 Rg6+/–) 30...Rfg8? (better is 30...Nf3 31.Kh1 Ne1 32.Re1 f3+–) 31.Bf1 (better is 31.Re2 Nf3 32.Kh1 Nd4 33.Qb2+–) 31...Nf3+/– 32.Kf2 Nh2 (32...Nd4?? 33.Qb2 Rb8 34.Qd4+–) 33.Qb3 Qa5? (better is 33...Ng4 34.Ke2 Ng3 35.Kd3 Qb8+–) 34.Qd3?? (better is 34.Qb4 Qd8 35.b8Q Qh4 36.Ke2 Nf1 37.Rf1 (37.Kf1?! f3=) 37...Ng3 38.Kd2 Nf1 39.Rf1+–) 34...Ng4 35.Kg1 Qc7? (35...Qd8 36.Qh3 f3 37.Re3 f2 38.Kh1 Ne3 39.Qh5=) 36.Qb3 (better is 36.Be2!? Ne5 37.de5 Rg2 38.Kf1 Rg1 39.Kf2 R1g2 40.Kf1 Rg1 41.Kf2 R1g2 42.Kf1=) 36...Qe7+= 37.Qh3 f3 38.Qh5 (38.Qf3 Qh4 39.Ba6 Qh2 40.Kf1 Ng3 41.Qg3 Qg3–+) 38...f2 39.Kh1 Rg6? (39...fe1R 40.Re1 Rb8 41.Rb1+=) 40.Re3 Ne3 41.b8Q Nf1 42.Qg8 Kg8 (42...Rg8 43.Nf7 Double attack; 42...Kg8 43.Rf1 Combination) 43.Rf1?? (43.Rb8 Kg7 44.Ne8 Qe8 45.Rb7 Kf8 46.Qh7 Ng3 47.Kh2 f1N 48.Kg1 Nh5=) 43...Qf8?? (43...Kg7 44.g4 Rh6 45.Qh6 Kh6 46.gf5 Qh4 47.Kg2 Qg4 48.Kf2 Qd4 49.Kg2 Kg7 50.f6 Kg8=) 44.Nf7= (44.Rf2?? Rh6 45.Qh3 Rh3 46.gh3 Qh6–+) 44...Qg7 (44...Qf7!? 45.Rf2 Qb7=) 45.Rf2+= Qf7 46.Rb2 (better is 46.Rf3+/–) 46...f4? (better is 46...Kg7 47.Kg1 Rg4 48.Qf7 Kf7+=) 47.a5+– Kg7 (47...Qf8 48.Kg1 f3 49.Rf2+–) 48.Kg1 Qa7 (48...f3 49.Rf2 Kh8 50.Qf3 Qf3 51.Rf3 Rg8+–) 49.Qh4 f3 50.g3 Rh6 (50...f2 51.Kf2 Rh6 52.Qg5 Rg6+–) 51.Qg4 Rg6 52.Qf3 h5 (52...Qa8 53.Rb6 h6 54.a6+–) 53.Rf2 (53.a6 Kh7 54.Qh5 Rh6 55.Rb7 Qb7 56.Qh6 Kh6 57.ab7 Kg6 58.b8Q Kf7 59.Qb7 Kf8 60.Qc8 Ke7 61.Qc7 Kf8 62.Qd6 Kf7 63.Qc6 Ke7 64.Qb7 Ke8 65.c6 Kf8 66.Qh7 Ke8 67.c7 Kf8 68.c8Q) 53...Qe7 (53...Qb8 54.a6 Kh6 55.Kg2+–) 54.a6 Kh6 (54...h4 55.g4 Kh7 56.Qf7 Qf7 57.Rf7 Kg8 58.a7 Rg4 59.Kh2 Kf7 60.a8Q+–) 55.Qf4 Kg7 (55...Kh7 56.Qf7 Qf7 57.Rf7 Kg8+–) 56.a7! Rg4 (56...Qa7 57.Qf8 Combination) 57.Qg4!! hg4 58.a8Q (58.a8Q Kh7 59.Rh2 Kg7 60.Qh8 Kg6 61.Qh5 Kg7 62.Qh7 Kf8 63.Qh8 Kf7 64.Rh7 Kg6 65.Re7 Kg5 66.Rg7 Kf5 67.Qh7) 1–0. Zarubitski,Viachaslau – Keinanen,Toivo, B12, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bf5)

8.Nc3 dc4 9.Bc4 b5 10.Be2=.

8.Nd4 Bd7 9.a4 e5 10.Nf3 (10.Nc2 e4=) 10...e4 11.Nd4 a5 12.b5 (12.ba5 dc4 13.Ba3 Re8 14.Bc4 Nd5=) 12...c5 (12...dc4 13.Bc4 Ng4 14.bc6 Nc6 15.Nc6=+) 13.Nb3 Be6 (better 13...dc4!? 14.Bc4 Qc7 15.Bf6 Bf6=) 14.Nc5+– dc4 (14...Nbd7!? 15.Ne6 fe6 16.cd5 ed5+–) 15.Ne6+– fe6 16.Bc4 Re8 17.Qb3 Nd5 (17...Kh8 18.Be6 Qd6 19.Bf7+–) 18.Bg7 Kg7 19.f3 (19.Nc3 Nc3 20.dc3 Nd7+–) 19...Nd7 (19...ef3 20.Rf3 Nd7 21.Bd5 ed5 22.Nc3+– (22.Qd5?! Ne5 23.Qb7 Re7+=)) 20.Bd5 (20.fe4 Nc5 21.Qb2 Nf6+–) 20...Nc5?? (better 20...ed5 21.Qd5 Nf6 22.Qd8 Rad8+–) 21.Qc3 (21.Qc3 Kg8 22.Be4+–) 1–0. onur604 (2320) – HaydnOpus20 (2165), lichess.org, 2020.

8.cd5 cd5 9.Nd4 Bd7 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 e5 14.Nf3 e4 15.Nd4 Be6 16.Qc2 Qd6 17.Ne6 fe6 18.Bb2 Re8 19.Rc1 Nbd7 20.Qc7 Qc7 21.Rc7 Rb8 22.Bd4 b6 23.g3 Kf8 24.Bf1 Ke7 25.Bh3 Ne8 26.Rc6 Bd4 27.Re6 Kd8 28.ed4 Ndf6 29.Nc3 Rb7 30.Kg2 Rb8 31.f3 ef3 32.Kf3 Rb7 33.Kf4 h6 34.Ke5 (34.Ke5 Nd7 35.Kd5 Nc7 36.Kc6 Ne6 37.Kb7 (37.Be6?! Rc7 38.Kd6 Nf8+=) 37...Nd4 38.Bd7 Kd7 39.Kb6+–) 1–0. Bonetti,Shane (2180) – Raines,David, OP–2010-0-01222, 2010.

8.h3 Nbd7 9.d4 a5 10.b5 cb5 11.cd5 (11.cb5 Nb6=) 11...Qb6 (11...b4 12.Nbd2=+) 12.Nc3 (12.Nh4!?=) 12...b4=+ 13.Na4 Qa7 (13...Qd6 14.Nd2=+) 14.Ne5 Nd5 15.e4 (better 15.Bf3!? Ne5 16.de5=) 15...Ne5-/+ 16.de5 (16.ef5 Nc6-/+) 16...Be4-+ 17.Bd4 b6 (17...Qb8 18.Bf3 Bf3 19.Qf3-+) 18.f3 (18.Bc4!? Rad8 19.Re1-/+) 18...Bf5-+ 19.Bc4 Nf4 (19...Rfd8 20.Qe1 Qb7 21.Bb3-+) 20.Bb6 (20.Qd2 Bh6 21.Qf2 Rac8-+) 20...Qb7 (better 20...Qb8-+) 21.Qc1? (better 21.Re1-/+) 21...Be5-+ 22.Re1 Ba1 23.Qa1 Bh3 (better 23...Qc6 24.Qd4 Ne6 (worse 24...Qa4 25.Qf4 Qc6 26.Qd4-+) 25.Be6 Be6-+ (worse 25...fe6 26.Nb2-+; 25...Qa4?! 26.Bf5 gf5 27.Re7-+)) 24.Qe5-/+ Ng2?? (better 24...Ne6 25.gh3 Qf3 26.Be6 fe6 27.Qe6 Rf7-+) 25.Bd4 (25.Bd4 Ne1 26.Qg7) 1-0. jhonores (2245) - nmiq (2320), Rated Blitz game, lichess.org, 2020.

9.Nc3 Nb6 10.Nd2 (10.c5 Nc4 11.Bc4 dc4=) 10...dc4 11.Nc4 Nbd5 12.Nd5 cd5 13.Ne5 Nd7 (13...Qd6 14.Qa4=) 14.Nd7 (14.Rc1 Rc8=) 14...Qd7 15.Rc1 Rfc8 16.Qd2 a6 17.a3 Qa4 18.Bd3 Bd3 19.Qd3 e6 20.Rc3 Qd7 (20...a5 21.Rfc1 Rc3 22.Bc3 Qa3 23.Qd2-+) 21.Rfc1 b5 22.Rc8 (22.Rc5 Rc5 23.bc5 Rb8=) 22...Rc8 23.Rc8 (23.Rc5 Rc5 24.bc5 Qc6=) 23...Qc8 24.Qc3 (24.Qe2 h6=) 24...Qc4 25.Qc4 dc4 26.Kf1 f5 27.Ke2 Kf7 28.f3 Ke7 29.g3 Kd6 30.Bc3 Kd5 31.h3 e5 32.de5 Be5 33.Be5 Ke5 34.h4 h6 35.Kd2 g5 36.h5? g4-+ 37.e4 gf3 38.ef5 Kf5 39.Ke3 Kg5 (40.Kf3 Kh5-+; better is 39...c3 40.Kd3-+) 0-1. Mazur,Julian J - Haase,Graham (2155), NZL Major op, 1996.

9.Nc3 dc4 10.Bc4 Nb6 11.Bd3=.

9.c5 b6=.

9.Nbd2 a5 10.cd5 cd5 11.b5=.

9.Nbd2 Ne4 10.Qb3 Ndf6 11.a4 Bg4 12.Rfd1 Nd2 13.Rd2 Ne4 14.Rc2 dc4 15.Bc4 (worse is 15.Rc4 Bf3 16.Bf3 Nd2–/+) 15...Bf3 16.gf3 Nd6 17.Bd3 a6 18.Rac1 e6 19.Rc5 Qh4 20.f4 (20.Qc2 Rfe8=) 20...Rfd8 (20...Qg4 21.Kh1=) 21.Rg5 Bf6 22.Rg3 Qh5 23.Rc5 Nf5 24.Bf5 ef5 25.Kg2 (better is 25.Qd3 Rd5 26.Rd5 cd5 27.a5=) 25...Rd5?? (better is 25...Bh4–+) 26.Rd5+– cd5 27.Qd5 Rc8 28.Qd6 Kg7 29.b5 Qe2 30.Ba3 ab5 31.ab5 Qb5 32.Bc5 Qb1 33.h3 Bh4 34.Qe5 Kg8 35.Rf3 b6 36.Be7 Re8–/+ 37.Bh4 Re5 38.fe5 Qe4 39.Kg3 h6 40.Rf4 Qb1 41.d5 g5 42.Rc4 Qg1 43.Kf3 Qd1 (43...Qd1 44.Kg3 Qd5 45.Rc8 Kg7–+; 43...gh4?! 44.Rd4–+) 0–1. Arutinian,D (2540) – Li Chao (2320), Lake Sevan, Martuni ARM, 2007. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d5 5.c4 c6 6.Be2 0-0 7.0-0)

9.Nbd2 Ne4 10.Ne4 Be4 11.a4 a6 (11...Nb6 12.Nd2 Bf5 13.cd5 cd5 14.a5=) 12.Qb3 (12.Ng5 Nf6+=) 12...Re8 13.Nd2 Nf6 14.Ne4 Ne4 15.Rad1 e6 16.Bd3 (16.c5 Nf6+=) 16...Nf6 17.b5 ab5 18.cb5 Qb6 19.Bc3 cb5 20.a5 Qc7 21.Rc1 Rec8 (21...Ne4 22.Be4 de4 23.Qb5=) 22.Bd2 Qd8 23.Qb5 Qd7 24.Qd7 Nd7 25.Rc8 Rc8 26.Rb1 Rc7 27.Bb5 Bf8 (27...Nf6 28.Be1+=) 28.f3 (28.e4 Nf6 29.Bf4 Rc2+=) 28...f5 29.Be1 Bd6 30.Bh4 Nb8 31.Bd8 Rc8 32.Bg5 Rc7 33.Bd3 (33.g3 Rc2+=) 33...Nd7 (33...Rc3 34.Bf1 Nc6 35.Rb5+=) 34.e4 Kf7 35.Rb5 de4 36.fe4 Nb8 37.d5 fe4 38.Be4 e5 39.Bd8 Rd7 40.Bg5 Rc7 41.Bd8 Rd7 42.Bb6 Na6 43.Bf3 h5 44.Kf1 Re7 (44...Nc7!? 45.Rb1 Ne8+=) 45.Be4+- Rd7 (45...Kg7 46.Be3+-) 46.Ke2 Kg7 (46...Nc7 47.Rb3+/-) 47.h3 (47.Be3 Nb4+-) 47...Rf7 (47...Nc7!? 48.Rb3 Rf7+/-) 48.Be3+- Rd7 49.Rb6 Kf7 (49...Nb4 50.g3+-) 50.Bd3 Nb8?? (better 50...Bc5 51.Bg6 Kg7 52.Bc5 Nc5 53.Bh5 Na4 54.Rg6 Kh7+-) 51.Bb5 White prepares a6 51...Rd8 52.Rb7 (52.Bg5 Rf8 53.Rd6 Kg7+-) 52...Kf6 53.a6 (53.Kf3 g5+-) 53...Na6 54.Ba6 e4 55.Bd4 Be5 56.Rb6 Kf5 57.Be5 Ke5 58.Rg6 Kd5 (58...Kf5 59.Rb6 Ke5 60.Rh6+-) 59.Rg5 (59.Ke3!? Rh8+-) 59...Kd4 60.Rh5 Rd6 (60...Rg8 61.g4 Rg7 62.Ra5+-) 61.h4 (61.h4 Ra6 62.Rf5=) 1-0. Andyka,Pitra (2285) - Ng,Sheng Feng (2065), 11th Penang Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0)

8.Na3 a5 9.ba5 Qa5 10.Qb3=.

8.Na3 Na6 9.Qa4=.

8.Na3 Na6 9.Qb3=.

8.Na3 e6 9.d3 Nbd7 (9...a5 10.b5=) 10.Qd2 (10.h3 Bf3 11.Bf3 Qe7=) 10...Qe7 (10...a5 11.Rfb1=) 11.Rac1 (11.h3 Bf3 12.Bf3 e5=) 11...a5 (11...e5 12.h3 Bf3 13.Bf3=) 12.ba5+= b6 (12...Ra6 13.cd5 ed5 14.Nc2+=) 13.Nd4 (13.cd5 cd5 14.ab6 Ra3 15.Ba3 Qa3=) 13...Be2= 14.Qe2 Rfc8? (better is 14...c5 15.Nb3 ba5=) 15.cd5+/– c5 (15...cd5 16.Nc6 Qf8 17.Nb5 Rc6 18.Rc6+–) 16.de6+– fe6 17.Nb3 (17.ab6 Nb6 18.Ndb5 Qd7+–) 17...ba5+/– 18.Nc4 a4 19.Nbd2 (19.Nba5 Nd5+–) 19...Nd5 (19...Rd8 20.Nf3+/–) 20.Bg7 (20.Ne4 Rf8+–) 20...Kg7 21.f4 (21.Ne4 Rab8+–) 21...Rab8 (21...Rf8 22.a3+/–) 22.Rf3 Qf6 (22...Rf8 23.Ne4+–) 23.Ne4+– Qf8 (23...Qe7 24.Qc2+–) 24.Qc2 Kg8 (24...Ra8 25.Ne5 N5f6 26.Nd7 Nd7 27.Qc3 Kg8 28.Qc4+–) 25.Qa4 N7f6 26.Ng5 (26.Qa6 Qe7 27.Ng5 Nb4 28.Qe6 Qe6 29.Ne6 Nd3+–) 26...Qe7 (26...Ra8 27.Qb3+–) 27.Ne5 Ng4?? (27...Rb2+–) 28.Ng4 Nb4 29.Qa3 Rd8 (29...Nd5 30.Rh3 h5 31.Ne5+–) 30.Qc3 Nd5 (30...e5 31.Ne5 Nd5+–) 31.Nh6 (31.Nh6 Kf8 32.Qh8) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.a4 Nbd7 9.d4 dc4 10.Bc4 Nd5 11.Qb3 Bf3 12.gf3 e5 13.Bd5 cd5 14.Qd5 Qg5 15.Kh1 Nb6 16.Qb7 ed4 17.Bd4 Bd4 18.ed4 Nd5 19.b5 Rae8 20.Nd2 Re2 21.Ne4 Qf5 22.Ra3 Nf4 23.Qc7 Re4? 24.fe4 Qe4 25.f3 Qe2 26.Rg1 Nd3 27.Rd3 Qd3 28.Qf4 Rd8 29.Re1 Rd4 30.Qf6 Rd8 31.Kg1 Rc8 32.Qe5 Qf3 33.Qe4 Qc3 34.Re3 Qd2 35.Re2 Qg5 36.Kf2 Rc5 37.Re3 Rf5 38.Rf3 Qd2 39.Kf1 Qd1 40.Kf2 Rf3 41.Qf3 Qa4 42.Qc6 Qd4 43.Ke2 Kg7 44.Qb7 Qb6 45.Qc6 Kf8 46.Qa8 0–1. Spiridonov – Krogius, 1973.

8.Qb3 dc4 9.Qc4 Nbd7 10.h3 Nb6 11.Qc2 Bf3 12.Bf3 Nbd5 13.Qb3 Qb6 14.a3 Rfd8 15.Nc3 e5 16.Na4 Qc7 17.d3 a6 18.Rac1 Qe7 19.Nc5 Rab8 (19...Bh6 20.Rc2+=) 20.Rfd1 Nc7 21.Qc2 Nfd5 22.d4 White launches an attack 22...ed4 23.Bd4 Opening the d–file gets White a lot of play 23...Bd4 24.Rd4 Rd6 (24...Ne6 25.Rd3+=) 25.Qd2 (25.Rcd1 b6 26.Ne4 Re6+/–) 25...Nb5+= 26.Rd3 Rbd8 (26...Ndc7 27.a4 Rd3 28.Qd3+=) 27.a4+/– Na7 28.Ne4 R6d7 29.Qb2 f5 (29...Nb4?? 30.Rd7 Rd7 31.Nf6 Qf6 32.Qf6+–) 30.Rd5! fe4 31.Re5 Qg7 32.Qb3 (32.Be4 Qf7+/–) 32...Kh8 33.Re4 The passed pawn on e3 quickly leads to threats 33...Nc8 (33...Rd2 34.Rc2 R2d7 35.Qb2+/–) 34.Bg4 Re7 35.Re7 Ne7 36.Rd1 Rd5 37.Be6 Rd1 38.Qd1 Qf6 39.Qd6 Kg7 40.e4 Qa1 41.Kh2 Qf6 42.f4 (42.f4 b6 43.a5 ba5 44.ba5+–) 1–0. Smyslov,Vassily – Garcia Martinez,Silvino, Havana, 1967. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4)

8.b5 e6 9.a4 dc4 10.Bc4 Qd6 11.Ba3=.

8.b5 Bf3 9.Bf3 dc4 10.Na3 Nd5 11.Bg7 Kg7=.

8.b5 Bf3 9.Bf3 Qc7 10.Qc1 dc4 11.Na3 = (worse is 11.Qc4 Ng4 12.Qg4 Bb2–/+).

8.Qc2 Bf3 9.Bf3 e6 10.d3 Nbd7 11.Nd2 Qe7 12.a3 e5 13.Nb3 Rfc8 14.Rac1 e4 15.Be2 ed3 16.Bd3 dc4 17.Bc4 Ne5 18.Be2 Nfg4 19.h3 Nf6 20.Nc5 Nd5 21.Rfd1 a5 22.Qb3 (22.b5 Nb6+/-) 22...ab4= 23.ab4 b6 24.Nd3 (better 24.Na4!? Qa7 25.Ra1+=) 24...Nd3=+ 25.Bd3 (25.Rd3 Bb2 26.Qb2 Nb4-/+ (26...Qb4?! 27.Rb3 Qd6 28.Bf3=)) 25...Qb4-/+ (25...Nb4?! 26.Bg7 Kg7 27.Bc4=+) 26.Qb4 Nb4 27.Bg7 Kg7 28.Be4 Ra7 (28...Rab8 29.Rd7-/+) 29.Rd6 Rac7 (29...b5!? 30.Rb1 c5-/+) 30.Rb1 (30.Rc4!? Na2 31.Rdc6 (31.Bc6? b5 32.Rc5 Nb4-+) 31...Rc6 32.Bc6=) 30...c5=+ 31.Rb6 Na2 32.R1b2 (32.Ra1 Nc3 33.Bf3 Re8=) 32...Nc3=+ 33.Bf3? (better 33.Bb7 Rb8 34.Bf3 Rb6 35.Rb6=+) 33...Na4-+ 34.Rb7 Nb2 35.Rb2 c4 36.Rc2 c3 37.Kf1 Rb8 38.Ke2 Rb2 39.Kd3 Rc2 40.Kc2 Kf6 41.Be4 Ke5 42.Bd3 f5 43.f4 (43.g3 Rc6-+) 43...Kd5 44.g4 0-1. pacal56 (2195) - Cofi7 (2385), Rated Blitz game, lichess.org, 2015.

8.Nc3 Nbd7 9.d3!?=.

8.Nc3 e6 9.c5!?=.

8.Nc3 Re8 9.h3 (better 9.d4!?=) 9...Bf3-/+ 10.Bf3 e5 (10...dc4 11.Be2 Qd6 12.a3-/+) 11.Qb3 (11.d3 dc4 12.dc4 Qd1 13.Rfd1 e4+=) 11...e4 (11...dc4 12.Qc4 e4 13.Ne4 Ne4 14.Bg7 Nd2 15.Qc3=) 12.Be2= Nbd7 13.cd5 cd5 (13...Nd5 14.Nd5 Bb2 15.Qb2 cd5 16.d4+=) 14.Nd5+= Ne5 (14...Nd5 15.Bg7 Nb4 16.Bb2+=) 15.Nf6 Bf6 16.Rac1 (16.Rad1!?+/-) 16...Qd2+= 17.Bb5 a6 1-0. GM_HUSARZ (1925) - centirius (2000), Rated Bullet game, lichess.org, 2015.

8.Nc3 Bf3 9.gf3 d4 10.ed4 Qd4 11.Qc2–/+.

8.c5 Nbd7 9.Nd4 (9.d4 b6=) 9...Be2 10.Qe2 e5 11.Nf3 (11.Nb3 Rb8=) 11...Re8 (11...e4 12.Nd4+=) 12.a4 (12.d4!?=) 12...e4 13.Nd4 Ne5 (13...a5 14.b5 Nc5 15.bc6 bc6 16.Nc6–/+) 14.Na3 (14.a5 Nd3 15.Bc3 Rb8+=) 14...Nd3–/+ 15.Bc3 Nh5 (15...a5!? 16.b5 cb5 17.ab5 Nc5–/+) 16.Nac2 f5 (16...a5 17.Rfb1–/+) 17.Ne1 (better is 17.Nf5 Qg5 18.Ng3 Ng3 19.fg3=) 17...Ne5 (better is 17...Bd4 18.Bd4 Nb4+=) 18.Nf5!+/– gf5 19.Qh5 Rf8 20.f4 Nc4 21.Bg7 Kg7 22.Qe2 (22.Rf2 Qf6 23.Rb1 b6+=) 22...Qf6 (22...a5!?=) 23.Nc2+/– Nb2 24.Rfb1 Nd3 25.Ne1 (25.Ra3 Rg8+/–) 25...Nb4+= 26.Ra3 (worse is 26.Rb4 Qa1 27.Rb7 Rf7 28.Rf7 Kf7+=) 26...a5 27.d4 Rf7 28.Rab3 Qg6 (28...Ra7 29.Nc2+=) 29.Nc2 Nc2 30.Qc2 Rb8 (30...Ra7 31.Qf2+=) 31.R1b2 Kf6 (31...Kh8 32.Qd2+/–) 32.Rb6 Rc7 33.Ra6! Qe8 (33...ba6 34.Rb6 Double attack (34.Rb8 Pinning; 34.Rb8 Deflection; 34.Rb6 Decoy; 34.Rb8 Clearance)) 34.Ra5 Ra8 35.Qc3 h5 (35...Kg7+–) 36.g3 (better is 36.Rb6!?+–) 36...Rg7 37.Ra8 Qa8 38.Ra2 (38.Qb3 h4+=) 38...h4= 39.Qe1 hg3 40.hg3 Qg8 41.Rg2 Rh7 42.Qe2 (42.Rh2 Rh2 43.Kh2 Qg4+=) 42...Rg7 (42...Rh3 43.Kf1=) 43.Qf2 (43.Kf2 Ke6+=) 43...Qa8 (43...Ke6 44.a5+=) 44.Qc2 (44.g4!? fg4 45.Qh4 Kf5 46.Qh6+/–) 44...Qa5 45.Kf2 Rh7 46.Qd1 ½–½. purplegadge (1720) – snowcaped (1670), gameknot.com, 2014.

8.c5 Bf3 9.Bf3 Qd7=.

8.d3 dc4 9.dc4 a5 10.b5=.

8.d3 dc4 9.dc4 Qb6=.

8.d3 Qd6 9.Qd2 dc4 10.dc4 Rd8=.

8.d3 Nbd7 9.Nbd2 a5 10.a3=.

8.d3 Nbd7 9.Nbd2 Qc7 10.Rc1 (10.d4 a5=) 10...e6 (10...e5 11.b5 Qd6 12.cd5 cd5 13.h3 Bf3 14.Nf3=) 11.cd5 (11.d4 Qd6 12.c5 Qe7+=) 11...ed5= 12.h3 (12.Bf6 Bf6 13.d4 a6=) 12...Be6 13.a4 (13.d4 a6=) 13...Nh5 (13...Qd6!? 14.b5 c5=) 14.Bg7+= Kg7 (14...Ng7 15.d4+/–) 15.d4 (15.b5 c5+=) 15...h6 (15...Qd6 16.a5+=) 16.b5 Ndf6? (16...Rfc8!?+/–) 17.bc6 (17.Ne5 Kg8+–) 17...bc6 (17...Ne4 18.Ne5 Nhf6 19.cb7 Qb7 20.Bb5+–) 18.Ne5 Bd7? (18...Kg8+–) 19.g4 Rg8 20.gh5 Bh3 21.Rc6 Qe7 22.Re1 gh5 23.Kh2 Bd7 24.Rc7 Qe6 25.Bh5 Qh3–+ 26.Kg1 Kh7 27.Bg6 fg6?? 28.Nd7 Nd7+= 29.Qf3 Qf3?? 30.Rd7+– Rg7 31.Rg7 Kg7 32.Nf3 a5 33.Rb1 Kf6 34.Rb5 Ke6 35.Nd2 h5 36.Nf3 Kf5 37.Rd5 Ke4 38.Rg5 Kf3 39.Rg6 h4 40.Rh6 Kg4 41.Rb6 Kf3 42.Rf6 Kg4 43.f3 Kg3+/– 44.f4 h3 45.Rg6 Kf3 46.Kh2 Rh8? 47.Rg3 Ke4 48.Rh3 Rh3 49.Kh3 Ke3 50.f5 Kd4 51.f6 Kc4 52.f7 Kb4 53.f8Q Ka4 54.Qb8 Ka3 55.Qb1 a4 56.Qa1 Kb3 57.Kg3 a3 58.Kf3 a2 59.Ke3 Ka3 60.Kd3 Kb3 61.Kd2 Ka3 62.Kc2 Kb4+– 63.Qa2 Kc5 64.Kc3 Kb5 65.Qc4 Ka5 66.Qb4+– Ka6 67.Kc4 Ka7 68.Kc5 Ka8 69.Kc6 Ka7 70.Qb7 1–0. khani9 – carlosfandangos, ChessWorld.net, 2007.

8.d3 Nbd7 9.Nbd2 Re8 10.d4 a5 11.b5 cb5 12.cb5 a4 13.Rc1 e6 14.h3 Bf3 15.Nf3 Ne4 16.Nd2 Nd2 17.Qd2 Bf8 18.Rc2 Bd6 19.Bc3 Qe7 20.Rb1 Rec8 21.Bd3 f5 22.f4 g5 23.Bb4 gf4 24.ef4 Bb4 25.Qb4 Qb4 26.Rb4 Rc2 27.Bc2 Nb6 28.Kf2 Kf7 29.g4 fg4 30.hg4 h6 31.Kg3 a3 32.f5 ef5 33.Bf5 Nc4 34.Rb3 Ra5 35.Kf4 Kf6 36.Bd3 Nd6 37.Rb4 b6 38.Bc2 Rb5 39.Ra4 Ra5 40.Rb4 b5 41.Rb1 Ra8 42.Rh1 Nf7 43.Bb3 Ke6 44.Rc1 Rf8 45.Kg3 Rd8 46.Rc5 b4 47.Rb5 Ng5 48.Rb4 Ne4 49.Kf4 Rf8 50.Ke3 Nf2 51.Rb6 Kd7 52.Rg6 Rf6 53.Rg8 Ke6 54.g5 Ng4 55.Kd2 Rf2 56.Kc3 hg5 57.Rg5 Nf6 58.Rg6 Kf5 59.Rh6 Rf4 60.Rh1 Ke6 61.Rd1 Ne4 62.Kb4 Nf2 63.Rd2 Ne4 64.Re2 Kd6 65.Ka3 Nc3 66.Re8 Rd4 67.Rd8 Kc5?? 68.Rc8+– Kb5 69.Rc3 Rd2 70.Rc1 d4 71.Rd1 (71...Rd1 72.Bd1+–) 1–0. Werk,Manfred – Kuhn,Andreas (2195), Verbandsliga Nord Baden, 2001.

8.d3 e6 9.Nbd2 a5 10.a3 Qe7 11.Qb3 Na6 12.Bc3 Rfd8 13.Rfe1 (13.ba5 Nc5 14.Qb4 dc4 15.Qc4 Bf3 16.Nf3 Na6+/-) 13...Nd7 (13...ab4!? 14.ab4 c5=) 14.Bg7+= Kg7 15.Rab1 (15.ba5!? Bf3 16.Nf3 (worse 16.gf3 Qg5 17.Kh1 Qh4=) 16...dc4 17.Qc4+=) 15...ab4 16.ab4 Nc7 17.h3 Bf3 18.Nf3 Qf6 19.d4 dc4 20.Bc4 b5 21.Bd3 Nd5 22.Rec1 Rdc8 23.e4 Nf4 24.Bf1 e5 25.g3 Ne6 26.d5 Nd4 27.Nd4 ed4 28.dc6 Rc6 29.Bb5 Rc1 30.Rc1 Ne5?? (30...Qg5 31.Qc4 Ne5 32.Qc5+/-) 31.Be2?? (better 31.f4 Qb6 32.Rc5+- (32.fe5?! Qb5 33.Rf1 Rf8=)) 31...Rd8+/- 32.f4 Nd7 (32...d3 A) 33.fe5 Qg5 34.Kf2 A1) 34...de2? 35.Rc7 Kh6 36.Qc3+- (36.Qf7?? e1Q 37.Ke1 Qe3 38.Kf1 Rd1 39.Kg2 Rg1 40.Kh2 Qg3; 36.Ke2 Qd2 37.Kf1 Rd3 38.Qf7 Qd1 39.Kg2 Rd2 40.Qf2 Rf2 41.Kf2 Qd4 42.Kf3 Qd3 43.Kf4 g5 44.Kf5 Qg3-+); A2) 34...Qc1 35.Bd3 Qd2 36.Be2 Qd4 37.Kg2 Qe4 38.Kf2 Qd4 39.Qe3 Qb4-+; B) 33.Bd1+/-) 33.Bd3 Qb6 34.e5 Nf8 35.Qc4 Kg8 (35...Ne6 36.b5+-) 36.Qc5 (36.Qc7 Qb4 37.Qd8 Qd2+-) 36...Qb8 (36...Qb7 37.Kf2+/-) 37.b5+- Ne6 38.Qc6 Rd7?? (better 38...Qa7+-) 39.Qd7 Qb5 (39...Kg7 40.Rc8 Qb6+-) 40.Rc8 Kg7 41.Qb5 Nf4 (41...Nd8 42.Rd8 f5 43.Qd7 Kh6 44.Rh8 Kh5 45.Rh7) 42.Qb1 (42.gf4 Kh6 43.Qc5 Kh5 44.Qe7 Kh6 45.Rh8 Kh5 46.Rh7) 42...Ne2 43.Be2 (43.Be2 f6 44.Rc7 Kh6 45.Qe4 fe5 46.Qh4) 1-0. kacper05 (2325) - universe64 (2410), lichess.org, 2019. (=1.Nf3 d5 2.c4 c6 3.b4 Nf6 4.Bb2 g6 5.e3 Bg7 6.Be2 0-0 7.0-0 Bg4)

8.d3 e6 9.Nbd2 Nbd7 10.a4 Qe7 11.b5 Rfc8 12.Qb3 Bf3 13.Bf3 (worse is 13.gf3 Nc5 14.Qc2 dc4 15.Nc4 Nd5+=) 13...Ne8 14.d4 f5 15.Rac1 Bf8 16.Rc2 Ndf6 17.Rfc1 Rd8 18.Be2 a6 19.Nf3 ab5 20.cb5 Qb4 (better is 20...Rdb8!?+/–) 21.Qb4+– (21.bc6?? Qb3 22.Bb5 bc6 23.Bc6 Rac8–+) 21...Bb4 22.bc6 bc6 23.Ne5 (23.Rc6?! Ra4 24.Re6 Ra2+=) 23...Bf8 (23...Ra4 24.Nc6 (24.Rc6?! Ra2 25.R1c2 Bd6=) 24...Rda8 25.Bb5+– (25.Nb4?! Rb4 26.Bc3 Rba4+=)) 24.Nc6 (24.Rc6?! Ra4 25.Re6 Bd6+/–) 24...Rd7 25.a5 Nd6 26.a6 Nc4 (26...Nfe4 27.Ne5 Rda7 28.Ra1+–) 27.Ne5 (27.Bc4 dc4 28.Ra1 Bd6+–) 27...Rd6 (27...Nb2 28.Nd7 Nd7 29.Rb2+–) 28.Nc4 dc4 29.Bc4 Nd5 30.Ba3 Rb6 31.Bf8 Kf8 32.g3 Nc7 (32...Ke7 33.Bd3+–) 33.Be6! Ne6 34.Rc8 Rc8 35.Rc8 (35.Rc8 Ke7 36.a7+–) 1–0. Panchenko,Alexander N – Marjanovic,Slavoljub, Match, Tbilisi (Georgia), 1973. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4)

8.d4 Nbd7 9.Nbd2 Re8 10.Re1 dc4 11.Nc4 Nd5 12.a3 Bf3 13.Bf3 N7b6 14.Qb3 Qd7 15.Rac1 Nc4 16.Qc4 Rac8 17.Rc2 a6 18.Rec1 Red8 19.Qb3 e6 20.Be2 Qe7 21.Rc5 Bf8 22.R5c2 Qg5 23.Bf3 Bd6 24.g3 f5 25.Bg2 Rd7 26.Re1 Re7 27.Rce2 Qf6 28.e4 fe4 29.Re4 Rf8 30.R4e2 Kg7 31.Qc2 Ree8 32.Qd3 Bc7 33.Bh3 e5 34.Bg2 ed4?? 35.Re7 Re7–+ 36.Re7 Ne7 37.Bd4 Be5 38.Bc5 Nf5 39.Bh3 Qf7 40.Qd8 Bf6 41.Bf5 Bd8 (42.Bg4 Be7 43.Bd4 Kg8–+; 41...Rd8!? 42.Bg4–+) 0–1. Krull,Guenter – Heimsoth,Holger (2345), Oberhausen op, 1998.

8.d4 Nbd7 9.Ne5 Be2 10.Qe2 dc4 11.Qc4 Nd5 12.Nd2 a5 13.ba5 Ne5–/+ 14.de5 Ne3! (14...Ra5?! 15.Nb3 Rb5 16.Rfd1=; worse is 14...Qa5 15.Rfd1=) 15.fe3 Qd2 16.Bc3 (better is 16.Qb3!?–/+) 16...Qe3–+ 17.Kh1 Be5 18.Be5 Qe5 19.Rab1 Qc7 0–1. Palma Espinoza,Hugo – Engel,Klaus Eberhard, olm9 qual GP3 B6 corr, 1977. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 c6 6.Be2 d5 7.0-0 Bg4)

8.d4 Nbd7 9.Ne5 Be2 10.Qe2 dc4 11.Qc4 Nd5 12.Nd2 a5 13.Nd7!? Qd7 14.ba5 Ra5 15.Nb3=.

8.d4 Nbd7 9.Ne5 Be2 10.Qe2 dc4 11.Qc4 Nd5 12.Nd2 Ne5 13.de5 Ne3 14.fe3 Qd2 15.Bd4+=.

8.d4 Nbd7 9.Ne5 Be2 10.Qe2 dc4 11.Qc4 Nd5 12.Nd7 Qd7 13.Nc3 Rfd8=.

8.d4 e6 9.c5 (9.Nbd2 dc4 10.Nc4 Nd5+=) 9...a5 (9...Nbd7 10.Nc3+=) 10.a3 (10.ba5 Bf3 11.Bf3 Qa5+=) 10...ab4= 11.ab4 Ra1 12.Ba1 Nbd7 (12...b6 13.Nc3=) 13.Nc3 b6 14.Bb2 bc5 (14...Qe7 15.Qd3=) 15.bc5+= Qa5 (15...Bf3 16.Bf3 e5 17.de5 Ne5 18.Na4=) 16.Qa4 (better is 16.Qd3+=) 16...Ra8? (better is 16...Qa4 17.Na4 Rb8=) 17.Qc6+/– Bf3 18.Bf3 Qb4?? (18...Qa6 19.Qa6 Ra6 20.Rb1+–) 19.Rb1 (better is 19.Qa8 Qb8 20.Qb8 Nb8 21.Ra1+–) 19...Rb8 (19...Qa5 20.Ra1 Qa1 21.Ba1 Ra1 22.Bd1=+) 20.Qa4 (20.Qc7 Qc4 21.Be2 Qb3+–) 20...Qa4 21.Na4 e5 22.Bd1 ed4 23.ed4 Ne4 24.Bc2 Nd2+/– 25.Rd1 Nc4 26.Bc3 Na3 27.Bd3 Rb3 28.Ra1?? Nb5?? 29.c6+– Nb8 30.Bb5 Rb5 31.c7 Nc6 32.c8Q Bf8 33.Qc6 Rb3 34.Nc5 Rb4 35.Qe8 (35...Rb2 36.Bb2+–) 1–0. toll (1620) – weirdboy2006 (1620), ICC, 2003.

8.d4 Bf3 9.Bf3 dc4 10.Qc1=.

8.d4 Bf3 9.Bf3 dc4 10.Qe2 Nbd7+=.

8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 Qb6 11.a3 Nd7 12.Nc3 N7f6 13.h3 Bf3 14.Bf3 Rfd8 15.Rfc1 Nc3 16.Qc3 (worse is 16.Rc3 Rd2 17.Rd1 Rd1 18.Qd1 Rd8–/+) 16...Rd6 17.Rab1 Kg8 18.d4 a6 19.a4 Nd7 20.Be2 Rd8 21.b5 cb5 22.ab5 a5 23.Bf3 Rb8 24.Qc7 Kf8 25.Ra1 Qc7 26.Rc7 b6 27.Rac1 Nf6 28.Rc8 Rd8 29.Rd8 Rd8 30.Rc7 Rb8 31.Bc6 Ne8 32.Ra7 Nd6 33.e4 Nc8 34.Rc7 a4 35.Bd7 Nd6 36.e5 Nb7 37.Rc2 e6? (better is 37...Na5 38.d5 Rd8+=) 38.Ra2+/– Na5 39.Ra4 Ke7 40.Bc6 Rc8 41.Be4 Rc1 42.Kh2 Rc3 43.f4 Rb3 44.Bc6 Rc3 45.d5 (45.Bf3!?+/–) 45...ed5+= 46.Bd5 Rc5 47.Be4 Rb5 48.g4 Rc5 49.Bd3 Rc3 50.Rd4 Nb3 51.Rd6 Nc5 52.Bb5 Rf3 53.Rb6 Rf4 54.Rc6 Ne6 55.Bc4 Rf2 56.Kg3 Rc2 57.Bd5 Rc6 58.Bc6 g5 59.h4 h6 60.hg5 hg5 61.Kf2 f6 ½–½. Okon,Dariusz – Koutsin,Sergey, Police op Poland, 1992. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6 6.Be2 0-0 7.0-0 Bg4)

8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 Bf3 11.Bf3 e5 12.Nc3 Nc3 13.dc3 Nd7 14.b5 Nc5 15.Qc4 e4 16.Be4 Ne4 17.Qe4 cb5 18.Qb7 Qa5 19.Qd5 Rad8 20.Qc5 Qa4 21.Qb4 Qb4 22.cb4 Rd2 23.Rfd1 Rfd8 24.Rd2 Rd2 25.a3 a6 26.g3 h5 27.h4 Rc2 28.Kg2 f5 29.Kf1 Kf6 30.Rd1 Ke6 31.Rd3 Rc4 32.Ke2 Rc1 33.f3 Ke5 34.f4 Ke6 35.Kf2 Rc2 36.Kf3 Rc4 37.Kg2 Rc1 38.a4 Rc4 39.ab5 ab5 40.Rb3 Re4 41.Kf3 Rc4 42.Rb2 Ke7 43.Ke2 Re4 44.Kd3 Rc4 45.Rb1 Ke6 46.Rb3 Kd6 47.Kd2 Kd5 48.Rd3 Ke4 49.Rd6 Rb4 50.Rg6 Rb3 51.Re6 Kf3 52.Rh6 Re3 53.Rh5 Re2 54.Kd1 Rf2 55.Rf5 Kg3 56.h5 b4 57.h6+= Rh2 58.Rf6 b3 59.Kc1 Kf3 60.f5 Kg4 61.Kb1 Kg5 62.Rb6 Rh6 63.Rb3 Kf5 64.Ka1 Kg6 65.Ka2 Rh7 66.Ka3 Kf5 67.Ka4 Ke4 68.Ka5 Rf7 69.Ka6 Re7 70.Rb1 Kd5 71.Rh1 Kd6 72.Rh8 Kc5 73.Rh1 Re6 74.Ka7 Kd6 75.Ka8 Re8 76.Kb7 Kc5 77.Ka7 Kd6 78.Kb7 Kc5 79.Ka7 Kd6 80.Kb7 ½–½. Bringer18 – DrChess20Beta, computer chess game, 2001.

8.Re1 Bf3 9.Bf3 e6 10.cd5 Nbd7 11.de6 fe6 12.Nc3 Nd5 13.Rc1 Nc3 14.Bc3 Bc3 15.Rc3 Rc8 16.Qb3 Rf6 17.e4 Ne5 18.Be2 Qf8 19.Bc4 Nc4 20.Qc4 Rf2 21.Rf1 Rf1 22.Qf1 Qf1 23.Kf1 Rf8 24.Ke2 e5 25.Rd3 Re8 26.Rd7 Rb8 27.a4 a6 28.Re7 b5 29.ab5 Rb5 30.Re6 Rb4 31.Rc6 Re4 32.Kf3 Rf4 33.Ke3 a5 34.Ra6 a4 35.g3 Rb4 36.h4 Kg7 37.d3 h5 38.Kf3 Rb3 39.Ke3 a3 40.Ke4 Rc3 41.Ra5 Rb3 42.Re5 (time, 1–0). Nautiluschess – Bobbyjames, ICS blitz, 2001.

8.Ne5 Be2 9.Qe2 Nbd7 10.d4 Ne5 11.de5 Nd7 12.f4 e6 13.cd5 cd5 14.Na3 (14.Qb5 Nb6=) 14...a6 15.Nc2 f6 16.Nd4 Qe7 (16...fe5? 17.Ne6 Qe7 18.Nf8 Rf8 19.Qd2+-) 17.Nf3 (17.ef6!? Nf6 18.Rac1=+) 17...fe5-/+ 18.Be5 Ne5 (worse 18...Qb4 19.Rab1 Qa4 20.Bg7 (worse 20.Rb7 Ne5 21.fe5 Qe4=+) 20...Kg7 21.Nd4+=) 19.Ne5 Be5 20.fe5 Qb4 21.Rab1 Qe7 22.Qg4 (22.e4 Rf1 23.Qf1 Rf8-/+) 22...Rf1 23.Rf1 Rf8 24.Rb1 b5 25.h4 (25.Rc1 Qf7 26.h3 Qf2 27.Kh2 Rf5 (27...Qe3?! 28.Qe6 Kh8 29.Rc8 Qf4 30.Kh1=; 27...Qa2 28.Qe6 Kh8 29.Qe7+-) 28.Rc8 Kg7-+) 25...Qf7 (25...Rf5 26.Rc1-+) 26.Rb2 (26.Rc1 Qf2 27.Kh2 Qf5-/+ (worse 27...Qe3 28.Qe6 Kh8 29.Rc8 Qf4 30.Kh3-/+; 27...Qa2? 28.Qe6 Kh8 29.Qe7+-)) 26...Qf5 27.Qg3 Qf1 (27...Qd3 28.Kh2-+) 28.Kh2 Qc4 (28...Qa1 29.Rc2 Qb1 30.Re2-+) 29.Qh3 (29.Rf2 Rf2 30.Qf2 Qd3-+) 29...Qc6 (29...Rf5 30.Rd2-+) 30.h5 (30.e4 Rf4-+) 30...Kg7 (30...Rf5 31.hg6 hg6 32.Qg4-+) 31.Rb4 Rf5 (better 31...Qc3 32.h6 Kh8-+) 32.hg6-/+ hg6 (32...h6 33.Rh4 Qc3 34.Rh6 Qe5 35.Kg1-/+) 33.Rh4=+ Rh5 34.Rh5 gh5 35.Qh5 b4 (35...Qc2 36.Kg3 a5=+ (36...Qa2?! 37.Qg5 Kh7 38.Qe7 Kh8 39.Qf8 Kh7 40.Qe7 Kh8 41.Qf8 Kh7 42.Qe7=)) 36.Qg4+= Kf7 37.Qb4 Qc7 (37...Qc4 38.a3+=) 38.Qf4+/- Ke7 (better 38...Ke8!?+/-) 39.Qf6+- Kd7 40.Qf7 Kd8 41.Qc7 Kc7 42.Kg3 Kd7 43.Kf4 Ke7 44.Kg5 Kf7 45.Kh6 (45.Kh6+-) 1-0. homoeporediensis (1875) - montignien (1875), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 c6 6.Be2)

8.Ne5 Be2 9.Qe2 Nbd7 10.Nf3 dc4 11.Qc4 Nb6 12.Qb3 Qd5... 0–1 (30.). Kreuzer – Zapfl, 1992.

9.b5?! cb5 10.Nb5 dc4 11.Bc4 a6–+ 12.Nbd4 e5 13.Ne2 Rc8 14.Bb3 e4 15.Nfd4 Nc5 16.Ba3 Nfd7 17.Rc1 Qa5 18.Bc5 Nc5 19.h3 Be2 20.Ne2 Rcd8! 21.Ng3 Be5? 22.Rc5! Qc5 23.Ne4 Qe7 24.Qf3 Kh8 25.d4 Bd6?! 26.Nf6 Bb8 27.g3 Rd6 28.Ne4 Rb6 29.h4 f5 30.Nd2 Rd6 31.Nc4 Rdd8 32.Na5 Rd7 33.Rb1 Qb4 34.Nc4 Bc7 35.Nb2 Qe7 36.Na4 b6 37.Rc1 f4 38.ef4 Qf6 39.Nc3 Qd4 40.Nd5 Bd8 41.h5 gh5 42.Qh5 Be7 43.Qf3 Bc5 44.Rd1 Qb2 45.Re1 a5 46.Re2 Qd4 47.a4 Rd6 48.Kg2 Rh6 49.Qc3 Qc3 50.Nc3 Rd6 51.Ne4 Rd7 52.Ng5 Bb4 53.Re6 Be7 54.Ne4 Bc5 55.Rc6 Re7 56.Be6 Bd4 57.f5 Kg7 58.g4 Rb7 59.f4 Rd8 60.g5 Bc5 61.Kf3 Bf8 62.Bc8 Ra7 63.f6 Kh8 64.f5 Ra8 65.Be6 Rd3 66.Kf4 1–0. Smyslov – Uhlmann, Moscow 1967.

9.d4 Qb6 10.Qa4 Ne4=.

9.d4 dc4 10.Nc4 Nd5=.

10.Bf3 Qb6 11.Qa4 Nc5 12.bc5 Qb2 13.d4+=.

10.Bf3 Qb8 11.Rb1 a6 12.Qb3 e6 13.Rfd1 Rc8 14.Be2 (14.d3 Qc7=) 14...Qd6 15.Nc2 Ne5 (15...dc4!? 16.Qc4 c5=) 16.d3+= Qc7 17.a4 h6 18.c5 Ned7 19.d4 (19.Bc3 e5+=) 19...e5 20.b5 (20.Bd3 Re8+=) 20...ab5= 21.ab5 Ne4 22.Nb4 Re8 23.Bf1 ed4 24.ed4 Ra5 (24...Bf6 25.Qc2=) 25.Ra1 (25.Qc2 Bf6=) 25...Ra1 26.Ba1 h5 (26...Bf6 27.Bb2=) 27.Qa4 Re6 (27...Qf4 28.Qa2 Nec5 29.bc6 bc6 30.Qa7=) 28.Qa7 Kh7?? (28...Qc8 29.bc6 bc6 30.Ba6+=) 29.b6?? (better is 29.bc6 Rc6 30.f3+–) 29...Qf4 30.Nd3 (30.Qb7 Qf2 31.Kh1 Ng3 32.Kh2 Nf1 33.Rf1 Qf1 34.Qb8 Nb8 35.Na2 Re2 36.Kg3 Rg2 37.Kh4 Qf4) 30...Qb8 31.Qb8 Nb8 32.Bb2 Nd7 33.Ra1 Re7 34.Ra7 Nf8? (34...Nb8!?+=) 35.Nb4+/– Bf6 36.Ba6 Nc5? (better is 36...ba6 37.f3 Ng5 38.Re7 Be7 39.Nc6 Bf6+–) 37.dc5+– Bb2 38.Rb7 (38.Nd3 Nd7 39.Rb7 Kg7+–) 38...Rb7 39.Bb7 Ne6 40.Bc8 (40.Bc6!? Nc5 41.Bd5 Be5 42.Bf7 Kg7+–) 40...Nc5 41.b7 Be5 42.Nc6 Bd6 43.b8Q Bb8 44.Nb8 d4 (44...Kg7+–) 45.Kf1 d3 46.Ba6 h4 (46...Kg7 47.Ke1+–) 47.Bc4 Kg7 48.Ke1 f5 (48...Kf6 49.Nc6+–) 49.Na6 Nd7 50.Bd3 Kf6 51.Bb5 (51.Bb5 Nb6 52.Nb4+–) 1–0. Morovic Fernandez,Ivan (2560) – Leyva Rivera,Yunier (2405), 8th La Habana Cuba, Capablanca Open A, 2013.

10.Bf3 Ne4 11.Bg7 Kg7 12.d3=.

10.Bf3 e5 11.d4 e4 12.Be2=.

10.Bf3 e6 11.Bc3 Qe7 (11...e5 12.d4=) 12.Qb3 Rfc8 13.Rfc1 Ne4 14.Be4 Bc3 (14...de4 15.Bg7 Kg7 16.d3=) 15.Qc3 (15.Rc3 de4 16.d4 ed3 17.Rd3 a5=) 15...de4 16.c5 b6 17.Qd4 f5 18.Nc4 Rd8 19.cb6 Nb6 (19...ab6 20.Nb2 (worse is 20.Nb6 c5 21.Qc3 Nb6 22.Qc5 Rd6–+) 20...c5 21.bc5 Nc5 22.Qb4=) 20.Qb2 Rac8 21.Nb6 ab6 22.a4 Qd6 (22...Rd5 23.a5 Rb5 24.Rc4=) 23.a5 ba5 24.ba5 Qd2 25.Rc2 (25.Qb6 Qd7=) 25...Qd3 (25...Qd6 26.Qc3=) 26.a6 Rc7?? (better is 26...Qd5!?=) 27.Qb6 (27.a7 Ra8 28.Rd2 Qd2 29.Qd2 Rca7 30.Ra7 Ra7 31.Qd8 Kf7 32.Qh8+–) 27...Qd7 28.Rd2! Qd2 29.Qc7 Ra8 30.Rb1 (30.a7 Qb2 31.Rd1 Rf8+–) 30...Qd8 31.Qd8 Rd8 32.a7 Kg7 33.Rb8 Rd1 34.Kh2 (34.Kh2 Ra1 35.a8Q Ra8 36.Ra8+–) 1–0. Espig,Lutz (2460) – Uhlmann,Wolfgang (2570), Zinnowitz 8th, 1971.

10.Bf3 e6 11.d3 Ne8 12.Bg7+= Kg7 13.d4 Qe7 14.Qb3 a6 15.e4 de4= 16.Be4 Nd6 17.Bf3 Nf6 18.Rfe1+= Qc7 19.Nc2 Rac8 20.Qc3 b5 21.c5 Nde8 22.a4+/– Nd5 23.Bd5 ed5 24.ab5 ab5 25.Qe3 Nf6 26.Qe5 Rfe8 27.Qc7 Re1 28.Ne1 Rc7 29.f3 Ng8 30.Nd3+= Ne7 31.g4 g5 32.Ra6 f6 33.Kf2 Ng6 34.f4 gf4 35.Kf3 Kf7 36.Nf4+/– Nf4 37.Kf4 Kg6 38.h4 Kg7 39.Kf5+/– Kf7 40.h5 Ke7 41.Ra1 Kf7 42.Ra6 Ke7 43.Ra8 Kf7 44.h6 Re7 45.Rc8 Re4 46.Rc6 Rd4 47.Rc7 Kf8 48.Rh7 Rb4 49.Rd7 Kg8 50.c6 Rc4 51.c7 (51...Rc6 52.Rd8 Kh7 53.c8Q Rc8 54.Rc8+–) 1–0. Kreuzer,Martin – Artz, Mannheim GER, 1994.

9.Nc3 dc4 10.Qc4 Nb6 =+. Kreuzer.

9.d4!? Nb6 10.Nbd2 Ne4 11.Bd3 +=. Kreuzer.

9.d4 e6 10.h3 Bf3 11.Bf3 Ne4 12.Be4 de4 13.Nd2 Qh4 14.b5 c5 15.Rad1 Rfd8 16.g3 Qh3 17.Ne4 Qg4 18.f3+= Qh3 19.Rf2 cd4 20.Bd4 Ne5 21.Rdf1 Rac8 22.c5 h5 23.Qc3 Qf5 24.Kg2 g5 25.Nd2 Rd4 26.ed4 Nd3 27.Ne4 Nf2 28.Rf2 Qd5 29.Rd2 g4 30.Qe3 Rd8 31.Nd6 b6 32.Qe4 Qe4 33.fe4 Kf8?? 34.e5 bc5= 35.Rf2 f5?? 36.dc5 Be5= 37.Nf5 Rd3 38.b6 ab6 39.cb6 Ra3 40.Nd4 Ke8 41.Nb3 Kd7 42.Rc2 Bd6 43.b7 Ra6?? 44.b8Q! (44...Bb8 45.Nc5 Kd6 46.Na6+–) 1–0. Dergatschova Daus,Anna (2220) – Galianina Ryjanova,Julia (2295), Russia–chB (Women), 1998.

9.cd5 cd5 10.Nc3 Nb6=.

9.h3 dc4 10.Qc4 Nb6 11.Qc1 Bf3 12.gf3 Qd7 13.Kg2 Rad8 14.d3 Qf5 15.Qc5 Rd5 16.Qc2 e5 17.Nc3 Rd7 18.Ne4 Nbd5 19.Nf6 Bf6=+ 20.a3 Rfd8 21.Qc4 e4 22.Bf6= ef3 23.Bf3 Nf6 24.d4 Qg5 25.Kh2 Qh4 26.b5 cb5 27.Qb5 Ne4 28.Be4 Qe4 29.Rac1 ½–½. Kreuzer,Uwe – Lechner,Rainer, Verbandsliga Nord Baden, 1992.

9.h3 dc4 10.Qc4 Nb6 11.Qc1 Bf3 12.Bf3!? Qd3 13.Qc3=.

9.h3 dc4 10.Qc4 Nb6 11.Qc2 Bf3 12.Bf3 Nfd5 13.Bg7 Kg7 14.a3 e5 15.d3 a5 16.Nc3 ½–½. Hasangatin,Ramil (2480) – Balogh,Tomas (2365), Liptov CC Cup, 2001. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4 8.Qb3 Nbd7)

9.h3 Bf3 10.Bf3 e6 11.d3 b5 12.cb5 cb5 13.Nc3 Qb6 14.d4 Rfc8 15.a4 ba4 16.Ra4 Qb7 17.Be2 Rc6 18.b5 Rc7 19.Rfa1 Nb6 20.Ra6 Nfd7 21.Ba3 Qc8 22.Bb4 Bf8 23.R1a3 Nc4 24.Bc4 Rc4 25.Bf8 Kf8 26.g3 Kg7 27.Kg2 Qb7 28.Qa2 Qc8 29.Qa1 Nb8 30.R6a4 Ra4 31.Ra4 Qb7 32.Qa3 Nd7 33.Qe7 Rc8 34.Ra3 Rc7 35.Qd6 Nb6 36.Rb3 Qc8 37.Qb4 Rc4 38.Qa5 Qc7 39.Qa1 h5 40.h4 Qe7 41.Ra3 ½–½. Benko – Honfi, Monaco 1969.

9.h3 Bf3 10.Bf3 e6 11.d4 Ne8 12.Nd2 Nd6 13.Rfd1 f5 14.b5 Ne4 15.Ne4 fe4 16.Bg4 Qf6 17.Rf1 Nb6 18.Be2 dc4 19.Bc4 Nc4 20.Qc4 cb5 21.Qb5 Qf5 22.Qa4 a5 23.Rac1 b5 24.Qa3 Rfb8 25.Rc7 Bf8 26.Qc3 Qd5 27.f3 b4 28.Qc2 Bd6 29.fe4 Qg5 30.Qf2 Rf8 31.Rf7 Qg3 32.Qg3 Bg3 33.Rf8 Rf8 34.Rf8 Kf8 35.Kf1 Ke7 36.Ke2 a4 37.Bc1 Kd7 38.Kd3 Kc6 39.Kc4 Be1 40.e5 a3 41.e4 Kd7 42.d5 1–0. Filip – Hartstone, Athens 1970.

9.Nc3 e6 10.h3 Bf3 11.Bf3 (worse is 11.gf3 d4 12.ed4 Qd4–+) 11...Nc6 12.a3 Ne5 13.Be2 Rc8 14.Nb5 Ne4 (14...Nc6!?=) 15.Na7+/– Ra8 16.Nb5 Qg5?? (16...Qd7 17.Be5 Be5 18.d4+/–) 17.d3 (better is 17.f4 Qg3 18.Be5 Be5 19.fe5 Qe5 20.Rc1+–) 17...Nf6?? (17...Nd3 18.Bg7 Ndf2 19.Rf2 Nf2 20.Kf2 Kg7 21.Qd4 Qf6 22.Qf6 Kf6+=) 18.f4+– (18.f4 Qg3 19.fe5 Qe3 20.Kh1+–) 1–0. donaldzikzpo (1700) – corneld (1635), kurnik, 2012.

9.d3 Qd6 10.Qb3 Nbd7 11.Nc3 a6 12.h3 Bf5 13.Rfd1 Rfc8 14.Nd4 Ne5 15.e4 Bd7 16.ed5 Rc3 17.Bc3 Nd5+= 18.Bb2 Nb4 19.Nc2 Nc2= 20.Qc2 Bc6 21.d4+= Qd5 22.f3 Nd7 23.Bc4 Qa5 24.d5 Qc5 25.Kh1 Bb5 26.Bg7+/– Bc4 27.Bd4 Qc7 28.Qe4 Qd6+/– 29.Bb2 b5 30.a4 Rc8 31.ab5 Nf6?? 32.Bf6+– Qf6 33.ba6 Ba6 34.d6! Bb5 35.Qe7 Qe6 36.d7 (36.d7 Bd7 37.Qd7+–) 1–0. Ho,Matthew (2260) – Batchimeg,Tuvshintogs (2205), Michael Franett Mem, 2005.

9.d4 Nbd7 10.Nc3 Rc8 11.Rc1 e6 12.h3 Bf3 13.Bf3 Nb6 14.Ne2 Nc4 15.Bc3 b5 16.a4 a6 17.ab5 ab5 18.Qd3 Ra8 19.Ra1 Qe7 20.Rfb1 Qb7 21.Ng3 Ra1 22.Ra1 Ra8 23.Qb1 Nd6 24.Ra5 Rc8 25.Qa1 Nc4 26.Ra7 Qc6 27.Ne2 Bf8 28.Ra6 Qe8 29.Nc1 Nd7 30.Nd3 Nb8 31.Ra8 Nc6 ½–½. Montag,Wilfrid Franz – Jacobsen,Kurt, EU/M74 corr ICCF, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4 8.cd5 cd5)

9.d4 Nbd7 10.Nbd2 e6 11.Nb3 Qe7 12.Nc5 Bf3 13.Bf3 b6 14.Nd3 Rac8 15.Rc1 Rc4 (15...Ne4 16.b5=) 16.Qd2 (16.Qa4 a5+=) 16...Rfc8 17.Rc4 dc4 18.Nf4 (18.Rc1 Qd6=) 18...g5 19.Nh5 (19.Ne2!?=) 19...Nh5+= 20.Bh5 Nf6 (20...c3 21.Qc2 Qb4 22.Ba1+=) 21.Be2 b5 22.f3 Nd5–/+ 23.Bc3 Qd6 24.Rd1+= Rd8 25.Kh1 f5 26.g3 f4–+ 27.gf4 gf4 28.ef4 Nc3 29.Qc3 Qf4 30.Qa3 Bd4 31.Qa5 Rd5 32.Qa6 Qe3 33.Qc8 Kf7 34.Qc7 Kg6 35.Re1 Kh6 36.Qe7 Rg5 37.Qf8 Rg7 38.h4 c3 (38...c3 39.Qf6 Bf6 40.Rf1 Qf4 41.Rf2 Qg3 42.Bb5 Qg1#) 0–1. Szymanski,Marcin – Czernicki,Bogdan (2095), Poland–ch sf Nadole, 1994. (=1.c4 Nf6 2.Nf3 g6 3.b4 c6 4.Bb2 Bg7 5.e3 0-0 6.Be2 d5 7.0-0 Bg4)

9.Bf6 Bf6 10.d4 Qd6=.

9.h3 Bf3 10.Bf3 Qb6 11.a3 a5 12.Nc3 e6 13.Na4 Qd6 14.Nc5 (14.Bd4 Nbd7 15.Bc5 Nc5 A) 16.Nc5? ab4 17.d4 b6 (worse 17...ba3 18.Qb3-+) 18.ab4 bc5 19.bc5 Qc6-+; B) 16.bc5+=) 14...b6=+ 15.Nd3 Nbd7 16.ba5 Ra5 17.Qc2 Ne4 18.Bg7 Kg7 19.Be4 de4 20.Nb4 Nc5 21.f3 f5 22.fe4 Ne4 Exerts pressure on the backward pawn 23.d3 Nf6 24.Qb2 Rc8 25.Rac1 Rac5 26.d4 Rc1 27.Rc1 Rc1 28.Qc1 Qg3 29.Qd2 g5 30.Qf2 Qc7 31.Qc2 Qg3 32.Qf2 Qd6 33.Qf3 Ne4 34.d5 Kg6 35.de6 Qe6 36.Nc2 Qe5 37.Nd4 h5 38.g4 (38.Qe2!?=+) 38...fg4-/+ 39.hg4 h4 40.Kg2 Nf6 41.Kh3 Qe4 42.Qf5 Kf7 43.Qe4 Ne4 44.Kg2 Nd6 45.Kf3 (45.a4!?-/+) 45...Nc4-+ 46.a4 0-1. Wagh,Suyog (2260) - Khusenkhojaev,Muhammad (2455), 17th Delhi Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4)

9.h3 Bf3 10.Bf3 Qd6 11.Qb3 (11.d4 Rc8=) 11...Nc6 (11...Na6 12.a3=) 12.a3 (12.b5 Ne5 13.Be5 Qe5=) 12...Ne5 (12...Rac8 13.d4=+) 13.Be2 (13.Be5 Qe5 14.d4 Qf5=) 13...Rfe8 (13...Rfc8 14.Be5 Qe5 15.d4=) 14.d3 (14.d4 Ned7=) 14...Nc6 (14...Rac8 15.Nc3=) 15.Nd2 (15.b5 Na5 16.Qa4 Ng4 17.Bg4 Bb2+-) 15...e5 (15...Rec8 16.b5 Nd8 17.Rac1=) 16.Rac1 (16.b5 Na5 17.Qa4 Qc7+=) 16...Ne7 (16...a6 17.Rfe1=) 17.Rfd1 (17.d4 e4+=) ½-½. Wessel,Volkmar - Bardo,Klaus, Schleswig Holstein-ch cand, 1994.

9.gf3 Nbd7 10.cd5 cd5 11.Nc3 e5 12.Qb3 d4 13.Ne4 Ne4 14.fe4 Qh4 15.Kh2 Qe4 16.f3 Qh4 17.f4 ef4 18.Rf4?? Be5–+ 19.Raf1 g5 20.Rg1 Kh8 21.Bd4 gf4 22.Be5 Ne5 23.Qc3 f6 24.Qc7 Rg8 25.Qe7 Rg1 26.Kg1 Rg8 27.Bg4 Ng4 28.ef4 Qf2 29.Kh1 Qh2 (29...Qf1) 0–1. elsh1403 – rolnik31 (1940), kurnik, 2011.

9.Bf3 dc4 10.Na3 Nd5 11.Bg7 Kg7 12.Nc4 b5 13.Bd5 cd5 14.Na5 Qd6 15.Qb3 Nd7 16.Rac1 Rfc8 17.Rc3 Rc3 18.Qc3 f6 19.Rc1 Nb6 20.Qd4 (20.Qc5 Qc5 21.bc5 Rc8+=) 20...Nc4= 21.Nb3 e5 22.Qc3 Rc8 23.d3 Nb6 24.Nc5 Kf7 25.Qa3 Na4 26.Na4 Rc1 27.Qc1 ba4 28.a3 Ke7 29.Qc8 Qd7 30.Qc5 Ke6 31.Kf1 a6 32.Ke2 Kf7 33.Kd2 g5 34.Qb6 Qb5 35.Qc7 Kg6 36.g4 e4 (36...Qe8 37.Qd6 Qb5 38.f4 gf4 39.ef4 ef4 40.Qf4+/-) 37.Qc3 (37.Qc2!? Qd7 38.de4 de4 39.Ke1+/-) 37...Qd7 38.Qd4 Qe6 39.Qc5 (39.Ke2 h5 40.f3 hg4 41.hg4 ef3 42.Kf3 f5+=) 39...ed3 (39...h5!?=) 40.Qd4+/- Qe5 41.Qd3 (41.Kd3 Qh2 42.Qd5 Qf2 43.Qg8 Kh6+/-) 41...Kg7+= 42.Qc3 (42.Qd4 Qh2 43.Qa7 Kh6 44.Qa6 Qf2 45.Qe2 Qg3+=) 42...Qh2= 43.Ke1 (43.Ke2 Qh3 44.Qc7 Kg6=) 43...Qh1 44.Ke2 Qh3 45.Qd4 (better 45.Qc7 Kh6 46.Qd7=) 45...Qh1?? (better 45...h5 46.gh5 Qh5 47.Ke1 Qh1 48.Ke2 Kg6=) 46.Qa7+/- Kg6 47.Qa8 (47.Qa6 h5 48.Qd3 Kg7+/-) 47...Kg7 (better 47...Qe4!? 48.Qg8 Kh6=) 48.Qb7+/- Kg6 49.Qc8 (better 49.Qa6!? h5 50.Qd3 Kg7 51.Qf5+/-) 49...Qe4 50.Qg8 Kh6 51.Qf8 Kg6 ½-½. Mari Ooriad,P (2220) - Shool,Iliya, ch-IRI Online, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2)

9.Bf3 dc4 10.a4 Qd6 11.b5 Ng4 12.Bg4 Bb2 13.Ra2 Bg7 14.Be2 Qc5 15.Na3 cb5 16.ab5 a6 17.Qa4 Nd7 18.Qc4 ab5 19.Qc5 Nc5 20.d4 b4 21.dc5 Ra3 22.Bc4 Rc8 23.Rc1 e6 24.Rb1 Ra2 25.Ba2 Bc3 26.Bb3 Rc5 27.Kf1 Kf8 28.Ke2 Ke7 29.Rd1 Ra5 30.Rb1 h5 31.Kd3 h4 32.f4 g5 33.Ke4 gf4 34.Kf4 Rf5 35.Kg4 Rf2 36.g3 f5 37.Kh4 Rf4 38.Kh5 Rf3 39.Bd1 Rg3 40.Rb4 Rh3 41.Kg6 Rg3 42.Kh6 Re3 43.Rb7 Kd6 (cont. unknown). Kern – Schmittdiel, 1998.

9.Bf3 dc4 10.b5 Qb6 (10...cb5?! 11.Bb7 Nbd7 12.Ba8 Qa8 13.d3=) 11.a4 a6 12.Qc2 ab5 13.ab5 Ra1 14.Ba1 Qb5 15.Nc3 Qa6 16.Bb2 b5 17.Ra1 Qb7 18.Ra5 Nbd7 (better is 18...Qd7–+) 19.Nb5?? (better is 19.Rb5! Qc7 20.Rb4+=) 19...Qb6–+ 20.Ra7 cb5 21.Bd4 Qd6 22.Qb2 b4 23.e4 Nh5 24.Bg7 Ng7 25.Bg4 Ne5 26.Be2 Ne6 27.Qa2 b3 28.Qb2 Rc8 29.g3 Nd3 30.Qc3 Qd4 31.Qb4 Qa7 (31...Qa7 32.Bd3 Rd8–+; 31...Qf2 32.Kh1 Ne1 33.Bf1 Qf1 34.Kh2 Nf3) 0–1. elsh1403 – endriu1975 (1720), kurnik, 2011.

9.Bf3 dc4 10.Nc3 Nbd7 11.a4 Rc8 12.Be2 Ne5 13.f4 Nd3 14.Ba3 a6 15.b5 cb5 16.ab5 ab5 17.Nb5 Nc5?? (better is 17...Ne4 18.Rb1 Qd7–+) 18.Bc4= Nce4 19.d3 Nd6 20.Nd6 ed6 21.Qb3 Nh5 22.Rad1 Ng3 23.d4 Nf1–/+ 24.Kf1 d5?? 25.Bf8?? dc4–+ 26.Qb7 Bf8 27.e4 c3 28.e5 c2 29.Rc1 Rb8 30.Qc6 Rb1 31.Qc2 Rc1 32.Qc1 Qd4 33.g4? Bc5 34.Ke1 Qf2 35.Kd1 Qf1 36.Kc2 Qc1 37.Kc1 Be3 (37...Be3 38.Kc2 Bf4–+) 0–1. elsh1403 – predator65 (1710), kurnik, 2011.

9.Bf3 Nbd7 10.cd5 cd5 11.Qb3 e6 12.Nc3 a6 13.a4 Rc8 14.Rfc1 Nb6 15.a5 Nc4 16.d3 Nd2 17.Qa4 (better is 17.Qd1 Nf3 18.Qf3= (worse is 18.gf3 d4–/+)) 17...Nf3–/+ 18.gf3 Nh5 19.Rab1 Qh4 20.Ne2 Qh3 21.Ng3?? (better is 21.Bg7 Kg7 22.Qd7 Rc1 23.Rc1 Qf3 24.Nd4–+) 21...Ng3 22.fg3 Qg3 23.Kf1 Qf3 24.Ke1 (24.Kg1 Qe3 25.Kg2 Qe2 26.Kh1 Qf3 27.Kh2 Bb2–+) 24...Qe3 (better is 24...Bb2 25.Qd1 Qe3 26.Qe2 Rc1 27.Rc1 Qc1 28.Qd1 Bc3 29.Ke2 Qd1 30.Kd1 Bb4 31.Ke2–+) 25.Kd1 (25.Kf1 Qd3 26.Kg2 Bb2 27.Qd1 Qe4 28.Qf3 Qf3 29.Kf3 Bc1 30.Rb3–+) 25...Qd3 (better is 25...Bh6!? 26.Qc2 Qg1 27.Ke2 Rc2 28.Rc2 Qg2 29.Ke1 Qc2 30.Bd4 Bd2 31.Kf2 Bb4 32.Kg3 Qb1 33.Be3–+) 26.Ke1 Bb2 27.Rd1 Bc3 28.Kf2 Qf5 29.Kg2 d4 30.Rf1 Qg4 31.Kh1 e5 32.Rg1 Qh3# 0–1. elsh1403 – fedot1 (1630), kurnik, 2011.

9.Bf3 Nbd7 10.cd5 Nd5 11.Bg7 Kg7 12.Qb3 e6 13.Nc3 Nc3 14.Qc3 Qf6 15.Rfc1 Qc3 16.Rc3 Rfd8 17.d4 a6 18.a4 Kf6 19.Rcc1 Nb6 20.b5 ab5 21.ab5 Ra1 22.Ra1 cb5 23.Rb1 Nc4 24.Rb5 ½–½. Baramidze,D (2525) – Kislik,E (2370), FSGM April Budapest HUN, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.0-0 Bg4)

9.Bf3 e6 10.Qb3 Nbd7 11.Nc3 11...dc4–/+ 12.Qc4 Nd5 (12...Ne5 13.Qe2 Nf3 14.Qf3 Qd2 15.Rab1–/+) 13.a3 (13.d4 N7b6 14.Qb3 a5 15.ba5 Ra5+=) 13...Rc8 (better is 13...Ne5!? 14.Qb3 Nf3 15.gf3 Nc3 16.Bc3 Qd3–/+) 14.Qb3 (14.Nd5? Bb2 (14...cd5?! 15.Qb3=; 14...ed5?! 15.Qc2=) 15.Nc3 Ne5–+) 14...Ne5 15.Be2 Qg5?? (better is 15...Nd3!=) 16.f4+– Qg3 17.fe5 Be5 18.Bf3 Qh2 19.Kf2 Bg3 20.Ke2 Bh4 21.Nd5 cd5 22.Rac1 Qg3 23.Qd3 Rc1 24.Bc1 Rc8 25.Bb2 Qd6 26.Qd4?? (better is 26.e4+–) 26...f6?? (26...Qa6 27.Qd3 Qd6+–) 27.Qh4+– (27.Qh4 e5 28.Bg4+–) 1–0. orangutanb4 (1925) – slaviastars (1775), kurnik, 2011.

8.0-0 a6 9.Qb3 b5 10.cb5 cb5 11.Rac1 Nb6 12.d3 Bg4 13.h3 Bf3 14.Bf3 (worse is 14.gf3 Qd6+=) 14...e6 15.Rc6 Rc8 16.Rfc1 Rc6 17.Rc6 Qb8 18.Nb1 Nfd7 19.Bg7 ½–½. Espig,Lutz (2480) – Vladimirov,Evgeny, Halle DSV, 1976.

8.d4 dc4 9.Bc4 Nb6–/+ 10.Bd3 Nbd5 11.Qd2 Bf5 12.b5 cb5–/+ 13.Nb5 Bd3 14.Qd3 Qa5 15.Kf1 Rac8 16.Na3 Nb4 17.Qe2 Qd5 18.Qb5 Qb5 19.Nb5 Rc2 20.Ba3 Nd3 21.Ne1 Rf2 22.Kg1 Rd2 23.Be7 Re8 24.Bf6 Bf6 25.Nd3 Rd3 26.Kf2 Rde3 27.Rhe1 Re1 28.Re1 Re1 29.Ke1 a6 30.Nd6 Bd4 31.Nb7 Kf8 32.Ke2–/+ Bb6 33.Kd3 Ke7 34.Kc4 Kd7 35.Kd5 f6 36.h3 Bf2 37.Nd6 f5 38.a4 Bg3 39.Nc4 Bc7 40.Nd2 Bb6 41.Nf3+= Bc7 42.Ng5 h6–/+ 43.Ne6 Bd6 ½–½. Shcherbine,A (2235) – Zuriel,M (2195), Magistral II, Necochea ARG, 2007.

8.0-0 Qd6 9.Qb3 Na6 (9...Nbd7!?+=) 10.c5+= Qb8 11.Be5 Nc7 12.b5 Qc8 13.bc6 bc6 14.Qa4 Bf3 15.Bf3 Ne6 16.d4 Nd7 (16...Ng5 17.Nc2 Qe6 18.Bd1=) 17.Bg7 (17.Bg3 Ng5+=) 17...Ng7 (17...Kg7!? 18.e4 Ng5 19.ed5 Nf3 20.gf3 cd5=) 18.e4 e6 19.Rfe1 Qc7 20.Nc2 a5 21.g3 h5 22.h4 Rac8 23.Ne3 (23.Rab1 Rfd8+=) 23...Kh7 24.Ng2 Nf6 25.ed5 (25.e5!? Ng8 26.Reb1+=) 25...ed5= 26.Re5 Rfe8 27.Rae1 Re5 28.Re5 Re8 (28...Rb8!?+=) 29.Re8= Nfe8 30.Nf4 Nf6 31.Nd3 Nd7 32.Bg2 Ne6 33.Bh3 f5 34.Ne1 Qb7 35.Nf3 Nf6 (35...Qc7!?+=) 36.Qa5+/– Ne4 37.Qb6 Qa8 38.Ne5?? (better is 38.Qb2 Qa4 39.Bf1+/–) 38...Qa2–/+ 39.Qb7 Ng7–+ 40.Nd3 Qa1 41.Kg2 Qd4 (41...Qd4 42.Qa6 Nc5 43.Nc5 Qc5–+) 0–1. Gloor,Roger (2310) – Pavlovic,Milos (2510), 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.Na3 Bg4)

8.0-0 e6 9.Qb3 Ne4 (9...Nbd7 10.h3 Bf3 11.Bf3=) 10.Bg7+= Kg7 11.d3 Bf3 12.Bf3 Ng5 13.Be2 h6 14.Rad1 Qe7 15.f4 Nh7 16.e4 d4 17.Nc2 Rd8 18.Qb2 e5 19.fe5 Qe5 20.Ne3 Nf6 21.c5 b5 22.cb6 ab6 23.Nc4 Qe6 24.Rf2 (24.Nb6? Ra2 25.Qc1 Re2–+) 24...b5 25.Na5 Ra7 26.Rdf1 Ne8 27.Bd1 Qe5 28.Bb3 f6 29.a3 (29.Rc2 Qd6+=) 29...Rd6 (29...c5 30.Rc1 cb4 31.ab4+=) 30.Ba2 c5? (better is 30...Nc7+=) 31.bc5+– Rda6 32.Qb3 h5 33.Qg8 Kh6 34.Qf8 Rg7 35.c6 Qe7 36.Qe7?? Re7+= 37.Nb3 Nc6 38.Nc5 Ra3–+ 39.Rb2 Ne5 40.Bd5 Nd3 41.Rb5 Nd6 42.Rb6 Nc5 43.Rd6 Ne4 44.Be4 Re4 45.Rff6 Rg4 46.h3 Rh3 47.Rd4 Rd4 48.gh3 Kg5 49.Rf3 Rd2 50.Ra3 Kf4 51.Rb3 Re2 52.Rb6 g5 53.Kf1 Re3 54.Kg2 Re2 55.Kf1 Rd2 56.Rb3 Rh2 57.Kg1 Re2 58.Kf1? Re3 (58...Re3 59.Rb4 Kg3–+) 0–1. Pacl,Vaclav (2150) – Richterova,Natasa (2030), Ostrava CZE, Ostravsky Konik, 2014. (=1.Nf3 Nf6 2.c4 c6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 d5 7.Na3 Bg4)

8.h3 Bf3 9.Bf3 dc4 10.Nc4 Nd5 11.Bg7 Kg7 12.a3+=.

8.h3 Bf3 9.Bf3 Qd6 10.Qb3 Nbd7 11.0-0 Ne5 12.Be5 Qe5 13.d4 Qd6 14.cd5 cd5 15.Nb5 Qd7 16.a4 (16.Nc3 e6=) 16...Rfc8 (16...a6 17.Nc3 e6 18.a5+=) 17.Nc3 (17.Rac1 a6 18.Nc3 e6=) 17...e6 18.a5 (18.Rfc1 Qe7=) 18...Ne8 (18...Rc7 19.Be2=) 19.Be2 (19.Rfc1 b5=) 19...Nd6 20.Na4 (20.b5 a6=) 20...Qd8 (20...Qc7 21.Qa3=) 21.Nc5 (21.Rfc1 Qg5 22.Qd1 Qh4=) 21...b6 22.Nd3 (22.Na6 Ne4 23.Qb2 Qf6=) 22...Nc4 23.Qa4 ba5 24.ba5 Bf8 (24...Qg5 25.Rac1=) 25.Rfb1 Rab8 (25...Bd6 26.Rc1=) 26.Rb8 Rb8 27.Nc5 Bc5 (27...Nd2 28.Bb5=) 28.dc5 (worse is 28.Bc4 Rb4 (28...dc4?! 29.dc5 Qd5 30.Rc1=) 29.Qd1 dc4 30.dc5 Qd1 31.Rd1 c3–/+) 28...Qc7 (28...Nd2 29.c6=) 29.Bc4+= dc4 30.Qc4 Rc8 31.Rd1 Qa5 32.c6 Qb6 33.Rd7 Rc7? 34.Qh4 Rc6 35.Qf6 Qb1 36.Kh2 Qb8 37.f4 Qf8 38.Rd8 Qd8 39.Qd8 Kg7 40.Qd4 Kg8 41.Qa7 Rc2 42.Kg3 h6 43.Kf3 Kg7 44.Qd4 Kg8 45.g4 Rc1 46.Ke4 Rb1 47.Ke5 Kg7 48.Kd6 Kg8 49.Ke7 (49.Ke7 Rb7 50.Kf6+–) 1–0. Gelashvili,T (2610) – Milanovic,Da (2525), 5th Open, Kalamaria GRE, 2008.

8.h3 Bf3 9.Bf3 Nbd7 10.h4 e5 11.Qb3 Qe7 12.Kf1 e4–/+ 13.Be2 Rfe8 14.Nc2 Rad8 15.cd5=+ Nd5 16.Bg7 Kg7 17.d4 N7f6 18.a3 Qe6 19.Rc1 Ng4 20.Qc4 Qf5 21.Bg4 Qg4 22.Qe2 Qe6 23.Ne1 Ra8 24.Qb2 h5=+ 25.g3 Kg8 26.Ng2 Qd7 27.Nf4 Nf4 28.gf4 a5 29.Rc5 ab4 30.ab4 Ra4 31.Rg5 Rea8 32.f5 Kh7 33.Rhg1 Ra2 34.Qb3 R8a3 35.fg6 fg6?? 36.Rh5! Kg7 37.Rg6!! Kg6 38.Qg8 Kf6 39.Rh6 Ke7 40.Qg5 (40...Ke8 41.Rh8 Kf7 42.Rh7 Kf8 43.Qf6 Ke8 44.Rh8#) 1–0. Ziese,Gerhard – Muehlenhans, Verb–Kl Niederrhein, 1992.

10.Bf3 Qb8 11.Rb1 e5 12.b5 cb5 13.Nb5 a6 14.Na3 dc4 15.Nc4 Rc8 16.d3 e4 17.Be2 (17.Be4!? Ne4 18.Bg7 Kg7 19.de4 Rc4 20.Qd7+=) 17...ed3= 18.Qd3 Nc5 (18...b5!? 19.Qd2 Nc5= (worse is 19...bc4 20.Bf6 Qc7 21.Bg7 Kg7 22.Rfc1+/–)) 19.Qa3+= Nfd7 20.Bg7 Kg7 21.Bf3 Ra7 22.Na5 Ne5 23.Bd5 b5 (23...b6!? 24.f4 Rd7+=) 24.f4+/– Rd7 25.Rfd1 (worse is 25.fe5 Rd5 26.Nc4 Rc7–/+ (26...bc4? 27.Rb8 Rb8 28.Qc3+–)) 25...Ned3 (25...Na4!? 26.Qb3 Nc3 27.fe5 Nd1 28.Rd1 Qb6=) 26.Rd3+/– Nd3 27.Qd3 Qb6 28.Nb3 b4 29.Qe4 Rc3 30.Nd4 Qd6 31.Bb3 Re7 32.Qd5 Qd5 33.Bd5 Rce3 34.Rb4 Rd3 35.Bf3 Ra3 36.Nc6 Rc7 37.Bd5 Rd3 38.Be4 Ra3 39.Rb2 Ra4 40.Bf3 Rf4 41.Nb4 a5 42.Nd5 Rc1 43.Kf2 Rd4 44.Ke3 Ra4 45.Nb6 Ra3 46.Kd4 Rac3 (46...h6 47.Nc4 Ra4 48.Bd5+/–) 47.a4+/– Rc7 48.Rb5 Ra7 49.Rc5 Rc5 (better is 49...Ra1!?+/–) 50.Kc5+– f5 51.Nc4 Kf6 52.Kb6 Rg7 53.Ka5 g5 54.Ne3 Ke5 55.Kb6 Kf4 56.Nf5! Kf5 57.a5 Kf4 58.a6 Rg6 59.Bc6 g4 60.hg4 Rg4 61.a7 Rg8 62.Bd7 Kg3 63.Bh3 (63.Bh3+–) 1–0. Espig,Lutz (2460) – Uhlmann,Wolfgang (2570), DDR–ch, 1972.

10.Bf3 e5 11.Qb3 e4 12.Be2 dc4 13.Nc4 Nb6 14.Rfd1 Nfd7 (14...Nc4!? 15.Qc4 Qd5=) 15.Bg7+/– Kg7 16.a4 (16.Nd6!?+/–) 16...Qe7 17.b5 c5 18.d4 ed3 19.Bd3 (worse is 19.Rd3 Nc4 20.Qc4 Ne5=) 19...Rfd8 20.Nb2 Nf6 21.Be2 Rd1 22.Rd1 Rd8 23.Rd8 Qd8 24.Qc3 Nbd7 25.Bf3 b6 26.e4 Qe7 27.Nc4 Kg8 28.e5 Ne8 29.Bc6 Nc7 30.f4 Nb8 31.Qd2 Ne6 32.Qd6 (32.Bd5!?+/–) 32...Qd6+= 33.ed6 Kf8 (33...Nf4 34.Kf2=) 34.g3+/– f6 35.a5 Nd4 (35...ba5!? 36.Na5 Nd4+=) 36.ab6+/– Ndc6 (better is 36...ab6!? 37.Nb6 Kf7 38.Bd5 Ke8+/–) 37.bc6 Nc6 38.Na5! ab6 (38...Na5 39.ba7 Passed pawn) 39.Nc6 Ke8 40.Na7 Kd7 41.Nb5 1–0. Vogt,Lothar (2500) – Banas,Jan (2395), Stary Smokovec, 1979.

10.Bf3 e5 11.d3 Qe7 12.b5 a6 13.bc6 bc6 14.Nc2 e4 15.Be2 Rfd8 16.cd5 cd5 17.Ba3 Qe8 18.Rb1 ed3 19.Bd3 Ne5 20.Nd4 Ne4 21.Rc1 Rdc8 22.Rc8 Qc8 23.Ne2 Nd3+= 24.Qd3 Qc4 25.Qc4 dc4 26.Rc1 Rc8 27.f3 Nf6 28.Nc3 Bf8 29.Bf8= Kf8 30.Kf2 Ke7 31.Ke2 Rb8 32.Nd1 Rb4 33.Rc2 Nd5 34.e4 Nb6 35.Ke3 Rb1 36.Nc3 Rg1 37.Rb2+/– Nc8 38.Kd4 Nd6 39.Kc5 Rc1 40.Nd5 Kd7 41.Rb6 Nb5 42.a4 Nc3 43.Rd6 Ke8 44.Ra6 Nd1? 45.Ra8 Kd7 46.Rf8 c3 47.Rf7 Ke8 48.Rc7 c2 49.Kd6 Ne3 50.Ne3 Rd1 51.Nd5 c1Q 52.Rc1 Rc1 53.e5 Rc8 54.e6 Rd8 55.Ke5 Rc8 56.a5 Rc6 57.a6! Kf8 58.a7 Ra6 59.e7 Kf7 60.e8Q! (60.e8Q Ke8 61.Nc7 Ke7 62.Na6 Kf7 63.a8Q g5 64.Qh8 Kg6 65.Qg8 Kh6 66.Kf5 Kh5 67.Qg5) 1–0. Espig,Lutz (2435) – Honfi,Karoly (2440), Sukhumi, 1972.

10.Bf3 e6 11.Bc3 Qe7 12.Qb3 Rfc8 13.Rfc1 Ne4 14.Be4 Bc3 15.Qc3 de4 16.c5 b6 17.Qd4 f5 18.Nc4 Rd8 19.cb6 Nb6 20.Qb2 Rac8 21.Nb6 ab6 22.a4 Qd6 23.a5 ba5 24.ba5 Qd2 25.Rc2 Qd3 26.a6 Rc7 27.Qb6 Qd7 28.Rd2 Qd2 29.Qc7 Ra8 30.Rb1 Qd8 31.Qd8 Rd8 32.a7 Kf7 33.Rb8 1–0. Espig – Uhlmann, Zinnowitz 1971.

10.Bf3 e6 11.d3 Qc7 12.Rc1 (better is 12.Rb1!?=) 12...Ng4–/+ 13.Bg4 (13.Bg4 Bb2 Discovered attack; 13.hg4 Bb2 Discovered attack) 13...Bb2 14.Rb1 Ba3 15.Qb3 dc4 16.Qa3 cd3 17.Qd3 Rfd8 18.Qc3 Qe5 19.Qb3 Nb6 20.Rbd1 Qf6 21.Bf3 Rd1 22.Rd1 Rd8 23.Rd8 Qd8 24.b5 Qc7 25.Qa3 Nc8 26.Qc5 b6 (better is 26...Qa5!?+=) 27.Qc6+= Qc6 28.Bc6 Kf8 29.g4 Ne7 30.Be4 Ke8 31.g5 Kd7 32.Kf1 Kd6 33.Ke2 Nd5 34.Kd2 Kc5 35.a4 Kb4 36.Kd3 Ka4 37.Kc4 Ka5 38.Bf3 Nc7 39.Bc6 e5 40.h4 Ka4 41.Bd7 Ka3 42.Bc6 Ka4 43.Bd7 Ka5 44.Bc6 Ka4 45.Bd7 Ka3 46.Bc6 Ka4 ½–½. Dietze,Wolfgang – Neckar,Lubomir, Leipzig DDR, 1971. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5 7.Na3 Bg4)

8.b5 Nbd7 9.a4 dc4 10.Qc4 Nb6 11.Qh4 Bf5 12.bc6 bc6 13.0-0 Bd3 14.Bd3 Qd3 15.Rc1 Rfc8 16.Ra3 Qd6 17.Be5 (17.Rb3 Nbd7=) 17...Qb4= 18.Bc3 Qd6 (18...Qh4 19.Nh4 c5 20.Nf3+=) 19.Be5 (19.Rb3 Nbd7+=) 19...Qb4= 20.Bc3 Qd6 (20...Qh4!? 21.Nh4 c5+=) 21.e4 Qc5 22.d3 e6 23.Qf4 Qe7 24.Qd2 Qa7 25.Bd4 Nfd7 26.Bg7 Kg7 27.h4 h5 28.Qb2 Kg8 29.Nbd2 Rab8 30.Qc3 c5 31.Ra2 Qa6 32.Qa3 Rb7 33.Rac2 Rbc7 34.Nf1 Qb7 35.Ne3 c4 36.Nc4 Nc4 37.Rc4 Rc4 38.Rc4 Rc4 39.dc4 Qb1 40.Kh2 Qe4 41.Qd6 Nf6 42.Qd8 Kg7 43.Qd4 Qd4 44.Nd4 Ne4 45.Nb3 Nc3 46.Kg3 Na4 47.Na5 Kf6 48.Kf4 e5 49.Ke3 Ke6 50.f4 ef4 51.Kf4 f6 52.Nb3 Kd6 53.Nd2 Nc5 54.Ne4 Ne4 55.Ke4 Kc5 56.Kd3 g5?? (better is 56...Kc6=) 57.hg5+– fg5 58.Ke4 (58.Ke4 Kc4 59.Kf5+–) 1–0. Jaracz,P (2575) – Lokander,M (2040), Czech GM Open A, 2011.

8.b5 Nbd7 9.d4 c5 (9...a4 10.Qb4=) 10.cd5+= a4 11.Qc2 Nd5 12.0-0 cd4 13.Bd4 e5 14.Bb2 Qb6 15.Na3 Qe6 16.Rfd1 N7b6 17.Nc4 e4 (17...Nb4 18.Qc1 Nc4 19.Bc4 Qe7+–) 18.Nd4 Qf6 19.Ba3 (19.Qe4!? Nc4 20.Bc4 Nb6+–) 19...Re8 (19...Rd8 20.Nb6 (20.Qe4?! Nc4 21.Bc4 Nc3=) 20...Qb6 21.Rac1+= (worse is 21.Qe4 Nc3 22.Qd3 Nd1 23.Rd1 Be6–/+)) 20.Rac1 (20.Nd6!? Rd8 21.Ne4+/– (worse is 21.Nc8 Rac8 22.Qe4 Nc3+=)) 20...Nc4+= 21.Qc4 Qg5 22.Qc2?? (better is 22.h4 Qe5 23.Bb2=) 22...Ne3!–+ 23.fe3 Qe3 24.Kh1 Qa3 25.b6 Bd7 ½–½. Krafzik,Joachim (2075) – Reinemann,Guenter (1825), GER–ch Seniors, 2003.

8.0-0 Nbd7 9.cd5 cd5 10.h3 Bf3 11.Bf3 e6 12.Nb5 a6 13.Nd4 Ne5 14.Be2 Nc4 15.Bc3 b5 16.a4 Qb6 17.Qb3 Ne4 18.a5 Qd6 19.Bc4 dc4 20.Qc2 Nc3 21.dc3 Rad8 22.Rad1 Qc7 23.Qe4 Rd6 24.Rd2 Rfd8 25.Rfd1 e5 26.Nf3 Rd2 27.Rd2 Rd2 28.Nd2 f6? 29.Qd5 Qf7 30.Qf7?? Kf7= 31.Ne4 f5 32.Nc5 e4+= 33.Na6 Bc3 34.Nc7 Bb4 35.a6?? Bc5 36.Nb5+/– Ke6 37.a7 Ba7 38.Na7 c3? 39.Nc6?? c2?? 40.Nd4+– Kd5 41.Nc2 Kc4 42.Nd4 Kd3 43.Ne6 Kc4 44.Nf8 g5 45.Nh7 Kd5 46.Ng5 Ke5 47.h4 Kf6 48.g3 Kg7 49.Kg2 Kg6 50.Kh3 Kh5 51.g4! fg4 52.Kg3 Kg6 53.Kf4 Kf6 54.Kg4 Ke5 55.h5 Kf6 56.Nh7 Ke5 57.Kg5 Kd5 58.Nf6 Kc4 59.h6 Kd3 60.h7 Ke2 61.h8Q Kf2 62.Kf5 Ke3 63.Qh3 Kd4 64.Ne4 Kd5 65.Qg3 Kd4 66.Qe5 Kc4 67.Qd6 Kb3+– 68.Qc5 Kb2 69.Qc4 Kb1 70.Qc3 Ka2 71.Qb4 Ka1 72.Kf4 Ka2 73.Ke3 Ka1 74.Kd3 Ka2 75.Kc2 Ka1 76.Qb2 (76.Qa5) 1–0. elsh1403 – demon71 (1685), kurnik, 2011.

8.0-0 Bf3!? 9.gf3 d4 10.ed4 Qd4–/+.

8.c5 a5 9.b5=.

8.c5 Nbd7 9.d4 Bf3 10.Bf3 Re8 11.0-0 e5 12.h3 a6 13.a4 Qc7 14.a5 Re7 15.Qd2 Rae8 16.Na4 ed4 17.Bd4 Ne4 18.Qb2 Bd4 19.Qd4 Ng5 20.Be2 Re4 21.Qb2 Rh4 22.f4 Nh3 23.gh3= Rh3 24.Ra3 Rhe3 25.Re3 Re3 26.Qd2 Re8 27.Rf3 Nf6 28.Nc3 Qd7 29.Rg3?? Qe6?? 30.Kf2 h5 31.Qd3 Ne4 32.Ne4 Qe4 33.Qd2 Kf8 34.Bf3 Qf5 35.Rg5 Qh3 36.Qd4 Qd7 37.Qh8 Ke7= 38.Re5 Kd8 39.Re8 Qe8 40.Qe8 Ke8=+ 41.f5 Ke7 42.Ke3 Kf6–/+ 43.fg6 fg6 44.Kf4? g5–+ 45.Kg3 g4=+ 46.Be2 d4 47.Kf4= g3 48.Kg3+– h4 49.Kf4 h3+/– 50.Bg4 h2 51.Bf3 d3 52.Ke3 d2 53.Kd2 Ke5 54.Kd3 Kf4 55.Bh1 Ke5? 56.Kc4 Ke6 57.Kd4 Kd7?! 58.Ke5 Kc7 59.Ke6 Kd8 ½–½. Zander,T – Steiner,Carsten, RH–op Mainz, 1996.

8.Bc4 b5 9.Bb3 Nd5 10.Qd2 Qd6 11.a3 Bg4 12.Nc3 Bf3 13.gf3 Nc3 14.Bc3 Nd7 15.f4 Rfd8 16.Rc1 Nf6 17.Qe2 e6 18.0-0 Nd5 19.Bd2 Ne7 20.Qf3 Rac8 21.Rfd1 Qd7 22.Be1 Nd5 23.Bc2 Bf8 24.Bd3 a6 25.Rc2 Rc7 26.Rdc1 ½–½. Kushch,Nikolai (2375) – Bogdanov,Valentin (2425), UKR ol Alushta, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 d5 7.d4 dc4)

8.Bc4 b5 9.Bd3=.

8.Bc4 Nd5 9.Qb3=.

8.Bc4 Nd5 9.b5 cb5 10.Bb5?? (better is 10.Bd3+=) 10...Qa5–+ 11.Qd2 Qb5 12.Nc3 Nc3 13.Bc3 Qa6 14.Bb4 Re8 15.a3 Bg4 16.Ne5 Bf5 17.Qa2 Be5 18.de5 Nc6 19.Bc3 Rac8 20.Rc1 (20.Qe2 Bd3 21.Qg4 Ne5–+) 20...Qd3 (better is 20...Ne5 21.e4 Nd3 22.Kd2 Red8–+) 21.e6 f6 22.Qb2 Qe4 23.0-0 Qe6 24.h3 h5 25.Rfe1 b6 26.f3 Bd3 27.e4 b5 28.Qd2 Bc4 29.Qh6 Qf7 30.Qe3 Ne5 31.f4 Nd3 32.e5 Nc1 33.Rc1 fe5 34.Qe5 Kh7 35.g4 Qf6! 36.Qe3 Qe6 37.Qd4 Qf7 38.Re1?? e5! 39.fe5 Rcd8 40.Qe4 hg4 41.Qg4 Qe6 42.Qh4 Kg7 43.Qg5 Rh8 44.h4 Rh5 45.Qg3 (45.Qg3 Rd3 46.Qf4 Rc3 47.Rd1 Qb6 48.Qd4–+). nizinna – mietz, kurnik, 2011.

8.0-0 Qd6=.

8.Nbd2 a5+= 9.b5 Nd2= 10.Qd2 dc4 11.Bc4 Bg4 12.Qe2 cb5 13.Bb5 Qd5 (13...a4 14.Bc3+=) 14.a4 (14.Bc4 Qd6+=) 14...Na6 (14...Rc8 15.Rb1=) 15.0-0 (15.h3 Bf5+=) 15...Rfc8 (15...Rac8 16.Rfc1+=) 16.Rfc1+= Nb4 (16...Nc7 17.Bd3+=) 17.Bc4 (17.h3 Bf3 18.Qf3 Qf3 19.gf3 Nd5+=) 17...Qh5 (17...Bf3 18.gf3 Qg5 19.Kh1=) 18.h3 Bf3 19.Qf3 Qf3 20.gf3 e6 21.Kf1 Rc7 22.Ke2 Rac8 23.Bb3 Rc1 24.Rc1 Rc1 25.Bc1 Kf8 26.Kd2 Bf6 27.f4 Ke8 28.Bb2 Kd7 29.e4 Bh4 30.Ke3 Bd8 31.f5+= Bg5 32.f4 Bh6 33.fe6+/– fe6 34.Bc3 g5 35.fg5 Bg5 36.Kf3 Ke7 37.e5 h6 38.Ke4 Kd7 39.d5 ed5 40.Bd5 Nd5 41.Kd5 Bd8 42.Bd4 h5 43.Bc3 Bc7 44.Be1 Bb6 45.Bd2 Bc7 46.Be3 Ke7 47.Bc5 Kd7 48.Bd6 Bd6 49.ed6= h4 50.Ke5 b5 51.ab5 a4 52.b6 a3 53.b7 a2 54.b8Q a1Q 55.Kf5 Qf1 56.Kg5+/– Qg2 57.Kh4 Qe4 58.Kg5 Qe5 59.Kg4 ½–½. Bakre,T – Harika,D, Olomouc, 2004.

8.Nbd2 a5 9.cd5 cd5 10.Ne4 de4 11.Nd2+=.

8.Nbd2 Nd7 9.0-0 (9.Ne4 de4 10.Nd2 f5+=) 9...Nd2 10.Qd2 dc4 11.Bc4 e5 (11...Nb6 12.Bd3=) 12.Qc2 (12.Qd3 Qe7 13.de5 Ne5 14.Be5 Be5 15.Ne5 Qe5+=) 12...ed4 (12...Qe7 13.de5 Ne5 14.Be5 Be5 15.Ne5 Qe5 16.Rad1+=) 13.Nd4 (13.Bd4 Bd4 14.Nd4 Ne5+=) 13...Qe7 (13...Ne5 14.Be2+=) 14.Qc3 (14.b5 cb5 15.Nb5 Bb2 16.Qb2 Ne5+=) 14...Nf6 (14...Ne5 15.Be2 Qh4 16.Rad1=) 15.Rad1 Qc7 (15...Be6 16.Ne6 fe6 17.b5+=) 16.f3 (16.a4 Ng4 17.g3 a5=) 16...a5 17.b5 c5 18.Nc2 (18.Ne2 Ne8 19.Qc2 Bb2 20.Qb2 Nd6+=) 18...Ne8 (18...Be6 19.Be6 fe6 20.Qc4+=) 19.Qa3+= b6 (19...Be6 20.Bg7 Ng7 21.Qb3+=) 20.Rd3 (20.Bg7 Ng7 21.Bd5 Bb7+=) 20...Bb2 (20...Nf6 21.Rc1+=) 21.Qb2 Nd6 22.Qe5 (22.Bd5 Bb7+=) 22...Nb5= 23.Qf6 Bd7 (23...Na7 24.a4=) 24.a4 (better is 24.Rb1!? Na7 25.Rb6+/–) 24...Na7= 25.e4 Nc6 (25...Rae8 26.Ne3 Be6 27.Rfd1=) 26.Rd6 (26.Ne3 Qe5 27.Nd5 Rfe8+=) 26...Rae8 (26...Na7 27.Rfd1 (27.Rb6?! Nc8 28.Rb2 Ba4=) 27...Bc6 28.Ne3+–) 27.Ne3+/– Ne5 (27...Nb4!?+/–) 28.Nd5 (28.Rb6?! Ba4 29.Nd5 Qd8+=) 28...Qd8? (better is 28...Qb8 29.Rb6 Qa7+/–) 29.Bb5+– Re6 (29...Qf6 30.Nf6 Kg7 31.Nd7 Nd7 32.Rd7 Re6+–) 30.Re6 fe6 (30...Qf6 31.Nf6 Kg7 32.Nd7 (32.Bd7?! fe6 33.f4 Rf6 34.fe5 Rf1 35.Kf1 Kf7+–) 32...Nd7 33.Rd6+–) 31.Ne7 (31.Ne7 Qe7 32.Qe7+–) 1–0. Lutikov,A – Roizman,A, Kishinev, 1964.

8.Nbd2 f5 9.Qb3 (9.0-0 Qd6 10.a3 Nd7+=) 9...h6 (9...a5 10.a3+=) 10.0-0 Na6 (10...a5 11.a3+=) 11.a4 (11.Ne4 fe4 12.Ne5 Qd6+/–) 11...Nc7 (11...Qd6 12.b5 Nd2 13.Nd2+/–) 12.Rfc1 (12.Ne4 fe4 13.Ne5 Qd6+/–) 12...Kh7 (12...Nd2 13.Nd2 Qd6 14.b5+=) 13.Rc2 (13.Ne4 fe4 14.Ne5 Qd6+/–) 13...Ne6 (13...Nd2 14.Rd2 f4 15.c5+=) 14.Ne1 (14.cd5!? cd5 15.Ne4 fe4 16.Ne5+=) 14...Nd2= 15.Rd2 Ng5 (15...f4 16.Nf3+=) 16.f3 (16.cd5 Qd5 17.Bc4 Qd6+=) 16...f4= 17.Nc2 (17.ef4 Rf4 18.Qe3 Rf6=) 17...Be6 (17...fe3 18.Qe3 Bf5 19.a5=) 18.Rf1 (18.c5 Qc7=) 18...Qc7 (18...dc4 19.Bc4 Bc4 20.Qc4 fe3 21.Re2=) 19.c5 Bf5 (19...b6 20.h4 Nf7 21.Bd3=) 20.Bd3 (20.Re1 Rae8=) 20...Bd3 21.Qd3 e5 (21...fe3 22.Qe3 a5 23.b5=) 22.de5+= Be5 23.Be5 Qe5 24.ef4 (24.Re1 Rae8+=) 24...Qf4= 25.Re2 Rae8 (25...a5 26.Rb1=) 26.Rfe1+= Re2 27.Qe2 (27.Re2 Rf7+=) 27...Kg7 (27...a5 28.ba5 Qa4 29.Ra1=) 28.Qd3+= Qf5 29.Qe2 (29.Qc3 Qf6 30.Nd4 Kh7+=) 29...Qf6 (29...Qf4 30.Qf2=) 30.Qe3+= Qf4 (30...Qb2 31.Qd3+=) 31.Qd3 (31.Qc3 Kh7+=) 31...Qf5 32.Qe2 (32.Qc3 Qf6 33.Nd4 Kh7+=) 32...Qf6= 33.Qe3 Qf4 ½–½. Bartle,Georg (1720) – Blagonadezhnaya,Ideya (2015), VII Camp. europeo senior, 2007.

8.Nbd2 a5 9.a3 dc4 10.Bc4 b5 11.Bb3 ab4 12.ab4 Na6 13.Bc3 Qd6 14.e4 Qf4 (worse is 14...Nb4 15.0-0 Nbd5 16.ed5 cd5 17.Qe2+/–) 15.Bc2 Bf3 16.gf3 e5 17.Nb3 ed4 18.Nd4 Nd7 19.Rb1 Rfd8 20.Qd2? (better is 20.Qe2 Ne5 21.Bd2–+) 20...Qd2 21.Kd2 Nb6 0–1. Gregori,Giacomo (1990) – Collutiis,Duilio (2470), Amantea ITA, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 d5)

8.Nbd2 e6 9.0-0+= Qe7 10.c5 Nbd7 11.a4 Bf3 12.Bf3 e5 13.Qb3 e4 14.Be2 Ne8 15.f3 ef3 16.Bf3 (16.Rf3 Nef6+=) 16...Bh6 17.Rae1 Nef6 18.Re2 Rae8 19.Rfe1 Qd8 (19...Bg5 20.Bc3 Qd8 21.Qc2+=) 20.b5 Re7 21.Qd3 (21.Nf1 Bg5=) 21...Rfe8 22.Bc3 Ne4 (22...Re6!?=) 23.Be4+= de4 24.Qc2 Nf6 25.Nc4 Qd5 26.Ne5 (26.Bb4 Qe6+=) 26...Bg7 27.bc6 bc6 28.Rb1 Nh5 29.Qa2 (29.g4 Be5 30.gh5 Bg7 31.hg6 Qg5 32.Kh1 hg6= (worse 32...Qg6 33.d5 f6 34.d6+/-)) 29...Qa2 30.Ra2 Be5 31.de5 Ng7 32.Rb4 Ne6 33.Re4 Rb7 (33...Nc5 34.Rc4 Nd3 35.Rc6 Ne5 36.Be5 Re5 37.Rc7=) 34.Rd2 (34.Rc4 Rd8+=) 34...Rb1 (better 34...Nc5!? 35.Rc4 Nb3=) 35.Kf2+= Rc1 36.Bb4 (36.Rc4!?+=) 36...Rb8= 37.Rd6 Rc2 38.Bd2? (better 38.Kg3!? a5 39.Ba5=+) 38...Nc5 39.Red4 Ne6 40.Rd3 Rbb2 41.Ke1 c5 42.Rc6 Rb1 43.Ke2 Ra1 44.Ra6 (better 44.Rd7!? Ra4 45.Rc8 Kg7 46.Re8-/+) 44...Raa2-+ 45.Kd1 c4 46.Rd7 (46.Rd5 c3 47.Bc3 Rc3-+) 46...c3 (46...Nc5!? 47.Rd8 Kg7 48.Rad6-+) 47.Bc3 Rc3 48.Raa7 (48.Rd2 Ra1 49.Ke2 Raa3 50.Ra7 Re3 51.Kf1 Ra1 52.Kf2 Re5-+) 48...Rb3 (better 48...Rcc2 49.Rab7 Rg2-+) 49.Ke1 (49.Rd2 Rd2 50.Kd2 Rb2 51.Kd3 Rg2 52.h3-+) 49...Re3 50.Kf1 Rb3 (50...Ree2 51.Ra8 Kg7 52.Raa7-+) 51.Rd1 (51.Rab7 Rc3 52.Rb1-+) 51…Rbb2 (51...Rbb2 52.Rb7 Rb7-+) 0-1. Korchagina,Alena (2160) - Borisova,Ekaterina (2305), ch-RUS Junior Girls, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2)

8.0-0 a6 9.Nc3 Nc6 10.b5 ab5 11.Nb5 Re8 12.d4 Ne4 13.a4 Bd7 14.Qb3 Bg4 15.Rfc1 Na5 16.Qd1 Nc6 17.h3 Be6 18.Nd2 Nd2 19.Qd2 Qd7 20.Nc3 Rec8 21.Bb5 Qd8 22.Ne2 f6 23.Nf4 Bf7 24.Bc3 e5 25.Nd3 ed4 26.ed4 Qf8 27.Bb2 Bh6 28.f4 Na5 29.Rc8 Qc8 30.Rc1 Qf5 31.g4 Qe6 32.Re1 Qd6 33.Bc3 Nc4 34.Qc1 Rc8 35.Kf2 b6 36.Kf3 Qd8 37.Kf2? Nd6–+ 38.Qb2 Ne4 39.Re4 de4 40.Nb4 Bf4 41.d5 Bg5 42.Bc6 Qd6 43.Kg2 Bh4 44.Bd4 Qg3 45.Kf1 Qf3 46.Kg1 e3 (46...e3 47.Qg2 Bf2 48.Kh2 Qf4 49.Kh1 Qd4–+) 0–1. Sirin,A (2255) – Kucumenler,T (2070), Konya TUR, Team Ch, 2012. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d5)

8.0-0 a6 9.d3 Nc6 10.a3 b5 11.Nbd2 Qd6 12.Nb3 e5 13.Rc1 Nd7 14.Nfd2 d4?? (better is 14...f6=) 15.Rc6!+– (15.Rc6 Qc6 16.Bf3+–) 1–0. Exposito Cabrera (2040) – Escofet Llongueras (1880), Castellar op, 2007. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Be2 d5 7.cd5 cd5)

8.0-0 Qd6 9.Bc3 Nbd7 10.Na3 a6 11.Nc2 Ne4 12.Bg7 Kg7 13.Qb1 Kg8 14.Ncd4 Nb6 15.Rc1 e5 16.Nb3 Na4 17.Na5 Bg4 18.Bd1 (18.Qb3!? b5 19.d3+=) 18...b5 19.Nc6 Bf3 20.gf3 (worse is 20.Bf3 Nd2 21.Qd3 Nf3 22.gf3 Rfe8–/+) 20...Nd2 21.Qd3 Nc4 22.Qd5 Qd5 23.Ne7 Kg7 24.Nd5 Nab2 25.Be2 Nd2 (better is 25...Rfd8 26.e4 Rac8+=) 26.Rc2+/– Ndc4 27.Rb1 Rad8 28.e4 Na4 (28...f5!?+/–) 29.Bc4+– bc4 30.Rc4 Rd6 31.b5 ab5 (31...Nb6 32.Rc6 Rc6 33.bc6+–) 32.Rb5 Ra8 33.Rb7 1–0. Giffard,Nicolas (2320) – Chevallier,Didier (2255), Paris–ch op, 1990.

8.0-0 Bg4 9.d3 Qd6 10.Qd2 a6 11.a4 Nbd7 12.h3 Bf3 13.Bf3 Rfc8 14.Na3 Nb6 15.Bd1 Ne8 ½–½. Benko – Smejkal, Wijk 1972.

8.0-0 Bg4 9.d3 Nbd7 10.Nbd2 Qb6 11.Qb3 a5 12.ba5 Qa5 13.Bc3 (13.Qb7?? Rfb8 14.Qb3 Rb3 15.ab3 Qd8–+) 13...Qa6 14.Rfe1 Nc5 15.Qb4 Nd3 (15...Bf3!? 16.Nf3 Nd3 17.Qe7 Rfe8 18.Bd3 Re7 19.Ba6 Ra6=) 16.Bd3+= Qd3 17.Bf6 Bf6 18.Qg4 Ba1 19.Ra1 Qc3 20.Qd4 Qd4 21.Nd4 e5 22.Nb5 (22.N4f3 f6=) 22...Ra5 23.Nc3 Rc8 (better is 23...Rc5!? 24.Na4 Rc6+=) 24.Nb3+= Ra3 25.Nd5 Rc2 26.Nc1?? (26.Nb4 Rc4 27.Nd3 Rc3+/–) 26...Ra5?? (better is 26...Rd2 27.Ne7 Kf8 28.Ng6 hg6–+) 27.e4+/– Rac5 (27...f5!?+/–) 28.Nd3 R5c4? (28...Ra5 29.g4+–) 29.Kf1 (better is 29.Ne3 f6 30.Kf1+–) 29...Rd4 (29...Rd2 30.Ne1 Kg7+/–) 30.N5b4 (30.Ne1 Rb2 31.Nf3 Rc4 32.Ne5 Rcc2+–) 30...Rcc4 (30...Rd2 31.Rb1 Re4 32.a3+=) 31.f3 (better is 31.Rb1!?+/–) 31...Rb4= 32.Nb4 Rb4 33.Re1 Kg7 34.Re2 Kf6 35.Rd2 Ke6 36.Ke2 f5 37.Ke3 Rb1 38.h3 h5 39.Ke2 h4 40.Ke3 b5 41.Rc2 b4 42.Rc6 Kf7 43.Rc7 Kf6 44.Rc6 Kg5 45.Re6 Re1 46.Kf2 Ra1 47.Re5 Ra2 48.Ke3 Rg2 49.Rb5 Rb2 (49...Rh2!?–/+) 50.f4+= Kf6 51.e5 Ke6 52.Rb6 Kd5 53.Rd6? (better is 53.e6+=) 53...Kc5–+ 54.Rg6 Rb3 55.Ke2 Rh3 56.Rf6 (56.Rg7 b3 57.Rb7 Kc6–+) 56...b3 57.Kd2 Kd5 58.Rf5 Kd4?? (better is 58...Rh2!? 59.Kc1 h3–+) 59.Rf8 (59.e6 Rh2 60.Kc1 Rc2 61.Kb1=) 59...Rh2 60.Kc1 Re2 (60...Rc2 61.Kb1 Kd5–/+) 61.Rh8–/+ Kc3 62.Rc8 Kd3 63.Rd8 Ke4 64.Rh8 Kf4 65.Rh4 Ke5 66.Rb4 b2 67.Rb2 Rb2 ½–½. Gubajdullin,Alexei (2365) – Tsydypov,Zhamsaran (2450), Chigorin Memorial Blitz, 2016. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Be2 d5 7.cd5 cd5)

8.0-0 Bg4 9.h3 Bd7 10.Nc3 a6 11.a4 Nc6 12.b5 Na5 13.Rc1 Qb6 14.Ba3 Nc4 15.Be7 Rfe8 16.Bf6 Bf6 17.Nd5 Qd6 18.Nf6 Qf6 19.Bc4 ab5 20.ab5 Ra4 21.Qa4 Bh3 22.Bd5 Bg4 23.Qg4 1–0. Bonetti,Shane – guest578, ICC, 2002.

8.d4 Bf5 9.Nc3 Nc6 10.a3 Qb6 11.0-0 Rac8 12.Rc1 Rfd8?? (12...a6 13.Na4 Qd8 14.Nh4+=) 13.h3?? (13.Na4!? Qc7 14.b5 Qd6 15.bc6 Rc6+–) 13...Ne4? (13...a6 14.Na4 Qc7 15.Nc5=) 14.Ne4?? (better is 14.Na4 Qc7 15.b5+–) 14...Be4= 15.Bd3 Bd3 16.Qd3 Na5? (16...a6 17.Rc5=) 17.Rc8 (better is 17.ba5 Qb2 18.Rb1+/–) 17...Rc8= 18.Nd2 Nc4 19.Nc4 Rc4 20.Rc1 Qc7 21.Rc4 dc4 22.Qc3 b5 23.f4 e6 24.Kf2 h5 25.h4 Bf6 26.g3 Qc6 (better is 26...Qb7!?–/+) 27.d5= Qd5 28.Qf6 Qd2 29.Kf1 Qd1 ½–½. Melzig,Ernst – Papenkordt,Karl Hermann (1740), Bayern–ch Seniors, 2000.

8.Bg7 Kg7 9.a3 a5 10.b5 Bg4 11.0-0 Bf3 12.Bf3 cb5 13.Qb3 e6 14.Qb5 Qd7 15.Qb3 Nc6 16.Bd5 ed5 17.d4 Rab8 18.Nc3 Ne7 19.Rfc1 Rfc8 20.Qb5 Qb5 21.Nb5 Rc6 22.g3 Kf6 23.Nc3 Ke6 24.Kg2 Rbc8 25.Ne2 g5 26.Kf3 f5 27.Rcb1 b6 28.h3 h6 29.Nc1 R8c7 30.Nd3 Ng6 31.Rb5 Kf7? 32.Rab1 Rc3+= 33.Ne5 Ne5 34.de5 Ke6 35.Rb6 Ke5 36.Rh6 R7c6 37.Rc6 Rc6 38.Rb5 a4 39.Ra5 39...Rc4+/– 40.Ra8 g4 41.hg4 fg4 42.Kg2 Ke4 43.Re8 Kd3 44.Rd8 Rc5 45.Kf1 Kc3 46.Ke2 Kb3+= 47.Kd3 Ka3 48.Kd4 Rc2 49.Rb8 Rf2–/+ 50.Kd5 Rf3 51.e4 Rg3 52.e5 Rb3 53.Rg8 g3 54.e6 Re3 55.Kd6 Kb2 56.Rb8?? Kc2?? 57.e7= g2 58.Rg8 g1Q 59.Rg1 a3 60.Rg2 Kb1 61.Kd7 a2 62.Ra2 Ka2 63.Kd6 Re7 64.Ke7 ½–½. vihavald (1655) – arunas8118 (1635), kurnik, 2012.

8.Bg7 Kg7 9.a3 f6 10.d4 Qb6 11.0-0 a5 12.b5 cb5 13.Qb3 Nc7 14.Nc3 a4 15.Qb2 Ra5 16.Rfb1 Bg4 17.h3 Be6 18.Nd2 (worse is 18.Bb5 Nb5 19.d5 Bd7–/+; 18.Nb5?! Nb5 19.Bb5 Bd5+/–) 18...Qa7 19.Nb5 Nb5 20.Bb5 Rc8 21.Bd3 Rc7 22.e4 Bb3 23.d5 Nd7 24.Nb3 ab3 25.Qb3 Nc5 26.Qc3 b6 27.e5 Nd3 28.ef6 ef6 29.Qd3 Rd7 30.d6 Rc5 31.Rc1 Qa5 32.Rc5 Qc5 33.Rd1 b5 34.g3 h5 35.h4 Kf7 36.Rd2 Qc4 37.Qd5 Qd5 38.Rd5 Ke6 39.Rb5 Rd6 40.Ra5 Rd1 41.Kg2 Ra1 42.Kf3 Ra2 43.Ke3 Rb2 44.a4 Rb3 45.Ke2 Rb2 46.Kf3 Rb3 47.Kg2 Rb2 48.Ra6 Kf5 49.a5 Ra2 50.Ra8 Kg4 51.a6 Kf5 52.a7 Ra4 53.Kf3 Ra3 54.Ke2 Ra2 55.Ke3 Ra3 56.Kd4 Ra2 57.Kc5 Kg4 58.Rg8 Ra7 59.Rg6 Kf5 60.Rh6 Ra2 61.f4 Rg2 62.Rh5 Kg6 63.Rh8 Kg7 64.Rh5 Kg6 65.Rd5 Rg3 66.h5 Kh6 67.Kd6 Re3 68.Kd7 Re4 69.Rf5 Kg7 70.h6 Kh6 71.Rf6 Kg7 ½–½. Campos Calvo Sotelo,Ju (2025) – Van Diermen,A (1900), Gibraltar Open, 2012.

7.0-0 Na6 8.b5 Nc7 9.a4 e5 10.d3 Ne6 11.Nc3 h5 12.Ba3 g5 13.Nd2 g4 14.Nde4 Ne8 15.Ng3 f5 16.Nh5 Qh4 17.Ng3 Ng5 18.bc6 bc6 19.Qb3 Rf6 (19...f4 20.Nge4 f3 A) 21.Bd6? Nd6 (21...fe2?! 22.Ne2 Nd6 23.Nd6–/+) 22.Nd6 Nh3 23.Kh1 Nf2 (23...fe2?! 24.Ne2 Nf2 25.Kg1–/+) 24.Rf2 Qf2 25.c5 Kh7–+; B) 21.Bd1 fg2 22.Re1 (worse is 22.Kg2 Qh3 23.Kg1 Nf3 24.Bf3 gf3 25.c5 Kh8 26.Qg8 Rg8 27.Nd6 Qg2) 22...Nh3 23.Kg2 Rf2 24.Kh1 Rh2 25.Kh2 Nf4 26.Kg1 Qe1 27.Kh2 g3 28.Ng3 Qf2 29.Kh1 Qg2) 20.f4 (20.Rfe1!?+/–) 20...ef4= 21.Rf4 Rh6 22.Nf1 Be5 23.c5 Kg7 (23...Nf7 24.d4 Bf4 25.ef4=) 24.cd6+= Bf4 25.ef4 Ne6 26.Qc4 Bd7 27.Rb1 Qd8 (27...Nd8!?+=) 28.Ng3 Kg6 29.Bg4! N6g7 (29...fg4 30.f5 Double attack (30.f5 Passed pawn)) 30.Bf3 Kh7 31.Qd4 (31.Bc6 Bc6 32.Qc6 Rc8+=) 31...Qf6 (better is 31...a6+–) 32.Qf6 Rf6 (32...Nf6 33.d4+–) 33.Rb7 Rd8 34.Nce2 (34.Ra7 Nd6 35.a5 Kg6+–) 34...Nd6 (34...a6 35.Rb6+–) 35.Ra7 Be8 36.Nh5 (36.Bb2!? Rf7 37.Rf7 Nf7 38.Bg7 Kg7 39.Nf5 Kf6+–) 36...Rf7 37.Rf7 Nf7 38.Nf6 Kg6 39.Ne8 Re8 40.Kf2 Rc8 41.Nd4 Nd8 42.Bc5 Ra8 43.Bd1 Nge6 44.Ne6 Ne6 45.Be3 Nc7 46.Bd2 Ne6 47.Be3 Nc7 48.g3 Nd5 49.Bd2 Nb6 50.a5 Nc8 51.Bf3 Ra6 52.d4 Nd6 53.Bb4 Nb7 54.Be2 (54.Be2 Ra5 55.Ba5 Na5 56.h3+–) 1–0. Timmermans,Mark (2270) – Dijkhuis,Tycho (2150), Amsterdam NED, Science Park Open–A, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6)

7.0-0 b6 8.d4 Bb7 9.c5 Qc7 10.Nc3 Nbd7 11.cd6 ed6 12.Ng5 Rfe8 13.Bf3 Rad8 14.Qb3 d5 15.Rfc1 h6 16.Nh3 Bc8 17.Nd5 Qb8 18.Nf6 Nf6 19.Bc6+– Rf8 20.Nf4 Kh7 21.Bb5 Bd7 22.Bd3 Qb7 23.Bc4 Bc6 24.b5 Be8 25.a4 Ne4 26.Bd5 Nd2 27.Qa2 Qb8 28.Ba3 Rh8 29.Qd2 g5 30.Nh5 Rd5 31.Ng7 Kg7 32.e4 Rd8 33.d5 Bd7 34.Bb2 f6 35.Ra3 Rc8 36.Rac3 Rhe8 37.Rc8 Bc8 38.d6 Bd7 39.Rc7 Qd8 40.Qc3 Re4 41.Rd7 Qd7 42.Qf6 Kh7 43.Qh8 Kg6 44.Qf6 Kh5 45.Qf3 Qg4 46.Qf7 Kh4 47.f3 Re1 48.Kf2 Qb4 49.g3 Kh3 50.Qh5 Qh4 51.Qh4 gh4 52.Ke1 hg3 53.hg3 Kg3 54.d7 1–0. marus – triplejjj, internet live, 2001.

7.0-0 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.0-0 c6).

7.Na3 Nbd7 8.0-0 e5 9.d3 Qe7 10.Qb3 (10.Nc2 Rd8+=) 10...Ne8 (10...a5 11.b5–/+) 11.e4 (11.Nc2 Nc7=) 11...Kh8 (11...a5 12.b5+=) 12.Rfe1 (12.Nc2 Nc7+=) 12...f5 (better is 12...a5!?+=) 13.ef5+= gf5 14.Bf1 (14.h3 Nc7+=) 14...c5 (better is 14...a5!?=) 15.Nb5+/– b6 16.g3 (16.a4!?+/–) 16...Bb7+= 17.Bg2 Ndf6 (17...f4!? 18.g4 Rg8+=) 18.Nc3 Rc8 19.bc5 bc5 20.Rab1 Ba8 21.Nh4 Bg2 22.Kg2 Qd7 23.Qa4 Bh6 24.Qd7 Nd7 25.Nd5 Bg5 26.f4 Bh4 27.gh4 Kg7 28.fe5 de5 29.Be5 Ne5 30.Re5 Rf7 31.Kf3 Nc7 32.Nf4 Na6 33.a3 Nb8 34.Ne6 Kf6 (34...Kg6 35.Rg1 (35.Rc5?! Rc5 36.Nc5 Nc6+–) 35...Kh6 36.Kf4+–) 35.Kf4 Nc6 (35...Nd7 36.Rf5 Ke7 37.Rf7 Kf7 38.Ng5 Kg6+–) 36.Rf5 Ke6 37.Re1 Kd6 38.Rf7 1–0. Diaz Hollemaert,Nahuel (2395) – Rabello,FB (2080), 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6)

7.a4 Bd7 8.b5 (8.0-0 c5=) 8...cb5 (8...Bg4 9.0-0=) 9.ab5 a6 10.0-0 Bf5 (10...Qc7 11.Qb3+=) 11.Nc3 Nbd7 (11...Qc7 12.d3+=) 12.Nd4 Be6 13.Ne6 fe6 14.d4 ab5 (14...Qb6 15.Qc2+/–) 15.Ra8 Qa8 16.Nb5 Rc8 (16...e5 17.Qb3+/–) 17.Qb3 b6 (17...Qb8 18.Ra1+/–) 18.Ra1 (18.Bf3 d5 19.Rc1 Nf8+–) 18...Qb8 (18...Qe4 19.Bf3 Qh4 20.c5 dc5 21.Qe6 Kh8 22.dc5 bc5 23.Bc6+/– (23.Qe7?! Re8 24.Qf7 Rf8+/–)) 19.Bf3 d5 (19...Kf7 20.Kf1+–) 20.cd5 ed5 21.Bd5 Nd5 (21...Kh8 22.Ra8 Qa8 23.Ba8 Ra8+–) 22.Qd5 Kf8 (22...Kh8 23.Qd7 Rc2 24.Rc1 Rc1 25.Bc1+–) 23.Qd7 Rc2 (23...Bf6 24.Bc3+–) 24.Ra7 (24.Bc3!? Bf6 25.Qc6 Qe8+–) 24...Bf6 (24...Qe8 25.Nd6! Qd7 26.Ra8 (26.Rd7 ed6 27.Ba3 Ra2 28.Bd6 Ke8 29.Re7 Kd8+/–) 26...Rc8 27.Rc8 (27.Nc8? Qb7 28.Nb6 Kf7–+) 27...Qc8 28.Nc8+–) 25.Ba3 Ra2 (25...Qe8+–) 26.Be7 Kg8 27.Qe6 (27.Qe6 Kg7 28.Bf6 Kh6 29.Qh3) 1–0. DEFFM – GuestHNCF, freechess.org, 2018.

7.a4 e5 8.d3=.

7.Qb3 Nbd7 8.Nc3 e5 9.Ng5 a5 10.a3 Qe7 11.Nge4 Ne8 12.Ng3 h5 13.e4 Qg5 14.Bf3 Nc7 15.Bc1 Qf6 16.Rb1 h4 17.Nge2 h3 18.Ng3 Ne6 19.Nce2 Ng5 20.Rg1 ab4 21.ab4 Nb6 22.Qd3 Be6 23.c5 Nc4 24.Qc3 dc5 25.bc5 Na5 26.Qe3 Rfd8 27.d3 Bh6–+ 28.Kf1? Nc4 29.Qg5 Bg5 30.Bg5 Qg5 31.dc4 Ra3 (31...Ra3 32.gh3 Rf3–+) 0–1. Leon Manas,Jose F (1720) – Gonzalez Intelangelo,Gerardo (2045), Las Palmas ESP, 2011.

7.b5 cb5 8.cb5 Bf5 (8...a6 9.Nc3=+) 9.0-0= Nbd7 10.Nd4 Bb1 11.Rb1 e5 (11...Qa5 12.Bf3 e5 13.Bc3=) 12.Nb3 b6 (12...Rc8 13.Rc1+=) 13.a4 (13.Rc1 Qe7+–) 13...Nd5 (13...Qe7 14.d4+=) 14.d4 e4 (14...N7f6 15.de5 de5 16.Be5+=) 15.Nd2+– f5?? (better 15...N7f6+–) 16.Bc4+– N7f6 17.Qb3 (better 17.Bd5 Nd5 18.Qb3 Qe7 19.Qd5 Qf7 20.Qd6 Rfd8+–) 17...Rc8 (17...Qe7 18.Bd5 Nd5 19.Qd5 Qf7 20.Qd6+–) 18.Bd5 Nd5 19.Qd5 Rf7 20.Ba3 (20.Rbc1!? Bf8+–) 20...Bf8 21.Rbc1 (better 21.h3 Rc2 22.Nc4 Qc8+–) 21...Rcc7 (21...Rc1 22.Rc1 Kg7+–) 22.Rc7 Qc7 23.Rc1 Qd7 (23...Qd8 24.Nc4 Kg7 25.Nd6 Bd6 26.Bd6+–) 24.Rc6 Kg7 (24...Kh8 25.Nc4 Kg7 26.Bb4+–) 25.Nc4 Qd8 (25...Qe8 26.Bd6 Rd7 27.Bf8 Kf8 28.Rf6 Rf7 29.Rd6+–) 26.Bd6 Bd6 (26...Qe8 27.Be5 Kh6 28.Rc8+–) 27.Nd6 Re7 28.Nf5! (28.Nf5 gf5 29.Qd8 Kf7 30.Qh8 Re6 31.Qh7 Kf6 32.Qh6 Kf7 33.Qe6 Kg7 34.Rc7 Kf8 35.Qf7) 1–0. DEFFM – GuestWSYY, freechess.org, 2020.

7.Qc2 Nbd7 8.d4 d5 9.Nbd2 Qc7 10.c5 a6 (10...Nb8 11.Bd3=) 11.a4 Ne4 (11...a5!? 12.b5 cb5 13.ab5 b6+=) 12.Ne4+/– de4 13.Qe4 Nf6 14.Qc2 Nd5 15.b5 (better is 15.Qc4!?+/–) 15...ab5+= 16.ab5?? (better is 16.0-0 ba4 17.Ra4=) 16...Ra1–+ 17.Ba1 e5?? (17...Qa5 18.Nd2 Qa1 19.Qb1–+) 18.de5?? (18.b6 Qb8 19.Ne5 Be6+–) 18...Re8?? (better is 18...Qa5 19.Qd2 Qa1 20.Bd1 Qa3–+) 19.b6 Qb8 (19...Qe7 20.0-0+–) 20.0-0 (better is 20.h3+–) 20...Be5? (better is 20...Bg4+–) 21.Ne5 Re5 22.Qb2 (22.Be5!? Qe5 23.Rd1 Bf5+–) 22...f6 23.Qb3 Kg7 (23...Re8 24.Bf6 Be6 25.Ba1+–) 24.Be5 fe5 (24...Qe5 25.Bf3+–) 25.Bc4 (25.Qa4!? e4 26.Qe4 Bf5 27.Qd4 Kg8+–) 25...Nf6 26.Rd1 Bf5 27.Bg8 (better is 27.f3 Qf8 28.Rd6+–) 27...Qg8+= (27...Ng8? 28.e4 Bg4 29.f3+–) 28.Qb2 (28.Qg8 Ng8 29.e4 Bc8+=) 28...Qe8 29.Rd6 (better is 29.Ra1!?=) 29...Ne4–/+ 30.Rd1 Nc5 31.Qa3 Ne4 (31...Qf8 32.Rc1 Na6 33.Qc3–/+) 32.Qa7 Qe7 33.Qa8 (33.Qb8 Nc3 34.Rd8 Kh6–/+) 33...Nc3 34.Rd8 (34.Ra1 c5 35.Qa5 Ne2 36.Kh1–/+) 34...Nb5 (better is 34...Kh6!?–+) 35.Re8+= Qd7 36.Rg8 Kh6 (36...Kf6!? 37.Qf8 Ke6+=) 37.Qf8= Kg5 (37...Kh5!? 38.h3 Kg5+=) 38.h4+/– Kg4?? (better is 38...Kh5 39.Rg7 Qd6 40.Rh7 Kg4+/–) 39.Kh2 (39.Qf6 Qd1 40.Kh2 Qg1 41.Kg1 h6 42.f3 Kg3 43.Qf5 Kh4 44.Qg4) 39...e4= 40.Qh6 Qd6 41.g3?? (better is 41.Kg1 Qd1 42.Kh2 Qd6 43.Kg1 Qd1 44.Kh2 Qd6=) 41...Qf6?? (better is 41...Kf3 42.Ra8 c5–+) 42.Qf4+– (42.Qh7 Kf3 43.Qh6 Qe5–+) 42...Kh5 43.f3 (43.g4 Bg4 44.Qf6 h6 45.Qg6 Kh4 46.Qg4) 43...h6?? (better is 43...Qb2 44.Kg1 Qc1 45.Kf2 Qd2 46.Kg1 Qe1 47.Kg2 ef3 48.Qf3 Bg4–/+) 44.g4 (44.g4 Bg4 45.Qg4) 1–0. GuestMVGJ – Chebigss, freechess.org, 2018.

7.Qc2 Bf5 8.d3=.

7.Nc3 e5 8.d4 Qe7 9.0-0 Rd8 10.b5 c5 11.dc5 dc5 12.Qc2 e4 13.Nd2 Bf5 14.Rfd1 Nbd7 15.Nf1 Nb6 16.Rd8 Rd8 17.Rd1 Rd1 18.Qd1 Be6 19.Nd2 Ne8 20.a4 f5 21.a5 Nd7 22.Qc2 Qd8 23.Nb3 b6 24.Na4 Bb2 25.Qb2 Qc7 26.Qc3 Qd6 27.Nd2 Nef6 28.ab6 ab6 29.Nf1 h5 30.f4 ef3 31.Bf3 Kf7 32.Bc6 Ne5+= 33.Nb6 Nc6 34.bc6 Qc6 35.Qb2 Ne4 36.Qb3 Qb7 37.Qb5 h4 38.h3 Qc7 39.Qb2 Qd6 40.Qb3 Qb8 41.Qb2 g5 42.Qb1 Kg6 43.Qb5–/+ Qd8 44.Qb3 Kh6 45.Na4 g4 46.hg4+= fg4 47.Nc3 Nd2?? 48.Qb2?? Nf1–+ 49.Ne4?? Qf8 50.Qb6–/+ Qf5 51.Nc5 Ne3 52.Qe6 Qe6 53.Ne6 Nc4 54.g3 h3 55.Nf4= Ne3 56.Nh3 gh3 57.Kh2 ½–½. Danielsen,Henrik (2440) – Peng Xiaomin (2480), Moscow ol (Men), 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6)

7.d3 a5 8.b5 cb5 9.cb5 a4 10.0-0 Bg4 11.Na3 Nbd7 12.Qd2 d5 13.Rfc1 e6 14.Rc2 Ne8 15.Bg7 Kg7 16.Qb4 Bf3 17.Bf3 Ne5 18.Be2 Qd6 19.Qd6 (19.Qb2 Nf6+/–) 19...Nd6+= 20.Rac1 Nd7 21.d4 Kf6 22.Bd3 Ke7 23.Kf1 Rfc8 24.Ke2 Rc2 25.Rc2 f6 26.Kd2 e5 27.de5 fe5 28.f3 g5 29.Nb1 h5 30.Rc7 Kd8 31.Rc1 g4 32.Nc3 Nb6 33.e4 d4 34.Ne2 a3 35.f4 Ra4 36.fe5 Ndc4 37.Bc4 Nc4 38.Kc2 b6?? (38...Nb2 39.Nf4=) 39.Nf4 (better is 39.Nd4!? Ne3 40.Kd3 Ng2 41.Rf1+–) 39...Rb4+= 40.Kd3 (better is 40.e6 Ne5 41.Nd5 Rc4 42.Kd2 Rc1 43.Kc1+/–) 40...Ne5–/+ 41.Ke2 (41.Kd2 Kd7–/+) 41...h4 (41...Rb2 42.Kf1 Ra2 43.Ne6 Kd7 44.Nd4–+) 42.Rd1 Rb2 (42...Rb5?! 43.Rd4 Ke7 44.Nd5 Kf7 45.Rb4 Rb4 46.Nb4=) 43.Rd2?? Nc4–+ (43...Nc4 44.Kd3 Nd2 45.Ne6 Kd7 46.Nd4 Ra2–+; 43...Rb5?! 44.Rd4 Ke7 45.Nd5 Kf7 46.Rb4 Rb4 47.Nb4=) 0–1. Hecht,H – Gutman,L, BL, 1983. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6)

7.d3 Na6 8.a3 Nc7 9.Nbd2 e5 10.c5 dc5 11.Be5 cb4 12.ab4 Na6 13.Rb1 Nd5 14.Bg7 Kg7 15.Qc1 f6 16.b5 cb5 17.Rb5 Rf7 18.Qb2 Nac7 19.Rc5 Ne6 20.Rc4 a5 21.0-0 b5 22.Qb5 Ba6 23.Qc6 Bc4 24.Nc4 Nc3 25.Qe6 Ne2 26.Kh1 Qd3 27.Qf7 Kf7 28.Nce5 fe5 29.Ne5 Ke6 30.Nd3 Kd5 31.g4 a4+= 32.Ra1 a3 33.Kg2 Kc4 34.Ne5 Kb3 35.f4 a2 36.Kf3 Nc3 37.Nd3 Rd8 38.Nc1 Kb2 39.Na2 Na2 40.Re1 Nb4 41.f5 Nd3 42.Re2 Kc3 43.Ra2 Rd7 44.h4 gf5 45.gf5 Kc4 46.e4 Kd4 47.Ra4 Ke5 48.Ra5 Kf6 49.Ra6 Kg7 50.Ke3 Ne5 51.Kf4 Nf7 52.h5 Rd1 53.h6 Kf8 54.Ra8 Ke7 55.Ra7 Rd7 56.Ra6 Rb7 57.Re6 Kd7 58.Rf6 Ke8 59.Ra6 Rc7 60.Ra8 Kd7 61.Rg8 Nh6 ½–½. Karasev,Vladimir I (2380) – Guseinov,Shahin, URS–chT Azov, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6)

7.d3 d5 8.Nbd2 e6 (8...dc4 9.dc4 Qb6 10.Qb3=) 9.a4 Nbd7 10.c5 (10.0-0 Qe7+=) 10...b6 (10...a5 11.Qb3=) 11.Qc2 bc5 12.bc5 Qa5 13.d4 Ne4 14.0-0 Nd2 15.Nd2 e5 16.f3 (16.Rab1 Re8 17.Bc3 Qd8+=) 16...ed4 17.ed4 (17.Bd4 Re8 18.Nb3 Qc7=) 17...Nf6 (17...Qb4!? 18.Kh1 Bd4 19.Bd4 Qd4–/+) 18.Bc3 Qc7 19.Rfe1 Bf5 20.Bd3 Bd3 21.Qd3 Rfe8 22.Nf1 Re6 (22...Nh5 23.Rab1=) 23.Re6+= fe6 24.Bd2 (24.Qe3 Re8=) 24...Re8 (24...Nd7 25.Rd1=) 25.Re1 Nd7 26.f4 Nf6 27.Ng3 Kf7 28.a5 Bh6 29.Qe3 Qb8 30.Qe5 (30.Ne2!?+=) 30...Qe5= 31.fe5?? (better is 31.Re5 Rb8 32.Re1=) 31...Bd2–+ 32.Rf1 Bg5 (better is 32...Be3 33.Kh1 Bd4 34.Rf6 Ke7–+) 33.ef6? (better is 33.Ne2–+) 33...Rb8 (33...Rb8 34.Ne2 Be3 35.Kh1 h6–+) 0–1. GuestNMMY – startagain, freechess.org, 2017.

7.d4 Na6 8.a3 Bf5 9.0-0 Qd7 10.Bd3 c5 11.b5 Nc7 12.Qc2 cd4 13.Bd4?? (better is 13.Bf5 Qf5 14.Qf5 gf5 15.Nd4+=) 13...Bd3–+ 14.Qd3 Rae8?? (better is 14...e5!?–+) 15.Nbd2 (15.Rd1 Ra8+=) 15...a6 (15...e5 16.Ba7 e4 17.Ne4 Re4 18.Bd4+=) 16.a4 (16.Bf6 Bf6 17.Rab1 Bg7=) 16...a5?? (better is 16...e5 17.Bc3 e4–/+) 17.Bb6+/– Ne6 18.Ba5 Nc5 19.Qc2 h6 20.Bc3 Ra8 21.a5 h5 22.Ra2 Qe6 23.Rd1 Nce4?? 24.Ne4 Ne4?? 25.Bg7+– Kg7 26.Nd4 Qf6 27.f3 Ng5 28.e4 Rad8 29.a6 b6? 30.a7 Ra8 31.Ra6 Ne6 32.Ne6 Qe6 33.Rda1 Qd7 34.Rb6 Rfc8? 35.Rba6 Rc7 36.b6 Rc6 37.Qb3 Qd8 38.b7 Ra6 39.Ra6 Ra7 40.Ra7 Qb8 41.Ra8 Qc7 42.b8Q Qc5 43.Kh1 Qd4 44.Qh8 1–0. Fournier,Frederic – reneescorpion, Active (5/0), 2004.

7.d4 Qb6 8.b5 cb5 9.cb5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Ne4 13.0-0 Qa5 14.Nbd2 Nc3 15.Bc3 Qc3 16.Qc1 Qa5 17.Nb3 Qb6 18.Qa3 Be6 19.Rc1+= Nd7 20.Nbd2 Bg4 21.h3 Be6 22.Bd3 Nf6 23.Nc4 Qb5 24.Nd6 Qh5 25.Rc5 Qh6 26.Ne4+/– b6 27.Rb5 Nd5 28.Neg5 Nc7 29.Rb6 Ra8 30.Qb2 Ra5 31.Ne6 Ne6 32.Bc4 Ng5 33.Ng5 Rg5 34.Rb5 Bf6 35.Rg5 Qg5 36.Qb3 e6 37.Qb5 Qh4 38.Qe8 Kg7+/– 39.Qd7 Qe4 40.Qb5 Qc2 41.Qb3 Qc1 42.Bf1 Qe1 43.Qd3 Bh4 44.Qe2 Qa1 45.g3 Be7 46.Kg2 h5 47.h4 Bf6 48.Qa6 Qb2 49.Qb5 Qc2 50.Bd3 Qc7 51.d5 ed5+/– 52.Qd5 Qa7 53.Bc4 Bc3 54.Bb5 Qe7 55.Bc6 Qf6 56.Qf3 Qf3 57.Kf3 Kf6 58.e4 Ke7 59.Ke3 f6 60.Bb5 Be1 61.Ke2 Ba5 62.f4 Bc3 63.Kf2 Kf7 64.Be2 Bd4 65.Kg2 Kg7 66.g4 hg4 67.Bg4 Be3 68.Bf3 Bd2 69.h5 gh5 70.Bh5 Kf8 71.Kg3 Ke7 ½–½. Koester,Roman – Nowik,Volker (2160), NRW–Liga II, 1995.

7.d4 Bd7 8.0-0 Qb6 9.a3 (9.Bc3 Ne4+=) 9...a5 (9...c5 10.Qd2=) 10.c5+= Qc7 11.Nbd2 (11.Qa4 Bf5+=) 11...Na6 (11...ab4 12.ab4 Na6 13.Ra4+=) 12.Bc3 (12.Qb3 ab4 13.ab4 Be6+=) 12...Nd5= 13.Qb3 (13.Ba6 Ra6 14.Qb3 b5=) 13...ab4 (13...dc5 14.ba5 Nc3 15.Qc3 cd4 A) worse is 16.Nd4 c5 17.Ba6 Ra6–/+ (worse is 17...ba6 18.Rac1+=); B) 16.ed4+=) 14.ab4 (14.cd6!? Qd6 15.ab4 Nc3 16.Ba6 Ra6 17.Qc3+=) 14...dc5+= 15.Ba6 cd4 (15...cb4 16.Bb4 Ra6 17.Ra6 ba6 18.Bc5+=) 16.Bd4= ba6 (16...Bd4 17.Nd4 Ra6 18.Ra6 ba6 19.e4+=) 17.Rac1 (17.Bg7 Kg7 18.e4 Nf4=) 17...Qb7 (17...Bd4 18.Nd4 Qb7 19.Rc4–/+) 18.Bc5 (18.Bg7!? Kg7 19.Rc4+=) 18...Rfb8–/+ 19.Rb1 (19.Qd3!? Qb5 20.Rc4–/+) 19...Nc3–+ 20.Rbe1 (20.Ra1 a5! 21.Ng5 e6–+) 20...a5 21.Ng5 Be8 22.Nde4 Ne4 23.Ne4–/+ ab4 24.Rb1 Ra5 25.Rfc1 Rb5 26.Bd4 Bd4 27.ed4 Qd7 28.Rc4 Qa7 29.Nc5 Qa3 30.h3? Qb3–+ 31.Rb3 f6 32.Rc1 Bf7 33.Rb2 b3 34.Re1 Rd8 35.Re7 Rd4 36.Na6 Ra4 37.Nc7 Rb7 38.Nd5 Re7 39.Ne7 Kg7 40.Nc6 Ra1 41.Kh2 Ra2 42.Rb1 Rf2 43.Nd4 b2 44.Kg1 Rd2 45.Nf3 Rc2 46.Kh2 Ba2 47.Rb2 Rb2 (47...Rb2 48.Nh4 Bd5–+) 0–1. Bartoniewicz,Anna – Hermanowicz,Dominika, Poland–chT U20 Wisla, 2000.

7.d4 Ne8 8.0-0+= c5 9.b5 (9.bc5 dc5 10.Qb3 Nf6+=) 9...cd4 10.ed4 Nd7 (10...d5 11.c5+=) 11.Nbd2 (11.Nc3 Ndf6+=) 11...e5 (11...d5 12.Rc1+=) 12.Qb3 (12.Re1 f5 13.de5 de5+/-) 12...ed4 (12...Nef6 13.Rfe1+=) 13.Bd4 Nef6 14.Rfe1 Re8 15.Bd3 (15.Rad1 Nc5 16.Qb2 Ne6+=) 15...Ne5 (better is 15...Nc5!? 16.Re8 Qe8+=) 16.Ne5+/- (16.Be5?! de5 17.Rad1 Qc7=) 16...de5 17.Be5 Bg4 18.f3?? (18.h3 Qa5 19.Bc3 Qc7 20.hg4 Ng4+-) 18...Be6 19.Kh1 Rc8 20.Rad1 Nh5 21.Bg7 Ng7 22.Ne4 Qh4? 23.Bf1?? Bf5 24.c5 Be4+= 25.Re4 Re4 26.fe4 Qe4 27.c6 bc6=+ 28.bc6 Qc6 29.Bb5 Qf6 30.Rf1 Qe6 31.Qf3 Rf8 32.Ba4 Qd6 33.Bb3= Ne6 34.h3 f5 35.Qc3 Re8 36.Re1 Kf7 37.Qc4 Re7=+ 38.Qd4?? Qd4-+ (39.Rd1 Qe3-+) 0-1. toll - Kshark (1830), ICC, 2003.

7.h3 Bf5 8.Nc3 Ne4 (8...Qb6 9.a3=) 9.0-0 Nc3 10.Bc3 Bc3 11.dc3 a5 12.a3 ab4 (12...e5 13.Qd2=) 13.cb4+= Nd7 14.Nh4 (14.Nd4 Be6+=) 14...Be6= 15.Bg4 (15.Qd2 Qc7+=) 15...Bg4 (better 15...Bc4!? 16.Be2 Bd5-/+) 16.Qg4= Nb6 17.Rad1 (17.Rfd1 Qc8 18.Qe4 f5=) 17...Qd7 (better 17...Ra3 18.Ra1 Rb3-/+) 18.Qf3?? (better 18.Qd4 Qc7 19.c5 dc5 20.bc5=) 18...Ra3 (18...Nc4 19.Qf4 b5 20.Rd3-+) 19.Ra1 (19.Qe4!?-/+) 19...Ra1-+ 20.Ra1 Nc4 21.Ra7 Ne5 (21...d5 22.Qe2-+) 22.Qe4 Qc7 23.f4 Qb6 24.Ra4 (24.Ra3 Nd7-+) 24...Qb5 (24...Nc4 25.Kf2 Qb5 26.Qc2-+) 25.Ra7 Nc4 (25...f5 26.Qd4 Nd3 27.Nf3 Nb4 28.Ng5-+) 26.Qe7 Qb4 27.Rb7 Qe1 28.Kh2 Qf2?? (better 28...Nd2-+) 29.Rc7?? (better 29.Nf5! gf5 30.Qg5 Kh8 31.Qf6 Kg8 32.Qg5 Kh8 33.Qf6 Kg8 34.Qg5=) 29...Ne3-+ 30.Qd6 (30.Qg5 Nf1 31.Kh1-+) 30...Qh4 31.Qc6 (31.g3 Nf1 32.Kg2 Qg3 33.Kf1 Qh3 34.Ke2 Re8 35.Re7 Ra8-+) 31...Qf4 (31...Ng4 32.Kg1 Qe1) 32.Kg1 Qf1 (better 32...Kg7!? 33.Qc1 Qg3 34.Qb2 Kg8 35.Rc1 Ng2 36.Qf2 Qh3 37.Qf1-+) 33.Kh2 Qf4 34.Kg1 Rb8 (better 34...Kg7!? 35.Qc1 Qg3 36.Qb2 Kg8 37.Rc1 Ng2 38.Qf2 Qh3 39.Qf1-+) 35.Rc8 Rc8 36.Qc8 Kg7 37.Qc3 Kh6 38.Qd2 (38.Qe1 f5-+) 38...Qf1 (better 38...f5 39.Qd3 Qg5-+) 39.Kh2 Qf4 (better 39...Qg2 40.Qg2 Ng2 41.Kg3-+) 40.Kg1 f5 41.Kh1 (41.Qe2 Qe5-+) 41...g5 (better 41...Qf1 42.Kh2 f4-+) 42.Qd6 (42.Qe2 Qe4 43.Qa6 Kh5 44.Qe2 g4-+) 42...Kh5 (42...Qd6 43.h4 Qc6 44.hg5 Kg5 45.Kh2 Qg2) 43.Qf4-+ gf4 44.Kh2 (44.Kg1-+) 44...Kh4 45.Kg1 (45.Kh1 Kg3 46.Kg1 Ng2 47.Kf1 f3 48.h4 h5 49.Kg1 Ne3 50.Kh1 f4 51.Kg1 f2 52.Kh1 f1Q) 45...Kg3 46.Kh1 Ng2 47.Kg1 Kh3 (47...Kh3 48.Kf2 Nh4 49.Kf1 f3 50.Kf2 f4 51.Ke1 Kg2 52.Kd2 f2 53.Kc3 f3 54.Kc4 f1Q 55.Kb4 Qe1 56.Kb3 f2 57.Kb2 f1Q 58.Kc2 Qc4 59.Kb2 Qec1; 47...Ne3 48.h4 f3 49.Kh1 f2 50.h5 f1Q) 0-1. alex296 - igornikolic (1610), Rated Blitz game, lichess.org, 2013.

8.b5 cb5 9.cb5 a4 10.Na3 Nbd7 11.Rc1 Nb6 12.Rc2 e5 13.Nc4 Bf5 14.Rc1 Nfd5 15.d3 a3 16.Ba1 Be6 17.Nfd2 f5 18.Nb1 f4 19.e4 (19.Nba3 fe3 20.Bg4 Bg4 21.Qg4 ef2 22.Rf2 Rf2 23.Kf2 Nf4–+) 19...Nf6 20.Nbd2 Nc4 21.Nc4 g5 22.Re1 g4 23.d4 f3 24.gf3 Nh5 25.de5 Nf4 26.Kh1 (26.fg4 Qg5 27.f3 de5+/–) 26...Nh3 27.Rf1 (27.Qd6 Qd6 28.ed6 gf3 29.Bg7 Kg7=) 27...Qh4 28.Qe1 (better is 28.Qd6 Rae8 29.f4+=) 28...gf3+= 29.Bd3 Nf4 30.Rg1?? (30.Bb1 Bh3 31.Rg1 Bg2 32.Rg2 fg2 33.Kg1–+) 30...Bh3 31.Rg7 Kg7 32.ed6 Kg8 33.Ne3 Bg2 34.Ng2 fg2 35.Kg1 Nh3 36.Kg2 Qg4 37.Kf1 Rf2 38.Qf2 Nf2 39.Bc4 Kf8 40.Be2 Qf4 41.Rc3 Ne4 (41...Ne4 42.Ke1 Qd2 43.Kf1 Nc3 44.Bc3 Qc3–+) 0–1. Reshetnikov,Al (2485) – Sychev,K (2255), Victory Day GM, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6 7.0-0)

8.b5 cb5 9.cb5 Nbd7 10.Na3 Nb6 11.d3 Bd7 12.Rb1 d5 13.Qb3 Bg4 14.Rfc1 Ne8 15.Bg7 Ng7 16.Qc3 Ne6 17.Qe5 Qb8 18.d4 Qe5 19.de5 (19.Ne5? Be2 20.Rc2 Bh5–+) 19...Rfc8 20.Nd4 Be2 21.Ne2 Rc5 22.Rc5 Nc5 23.Rc1 Rc8 24.f4 f6 25.ef6 ef6 26.Kf1 Kf7 27.Nd4 Ke7 28.Nc6 bc6 29.Rc5 Na4 30.Rc2 c5 31.e4 Nb6 32.ed5 c4 33.Re2 Kd7 34.Ke1 Nd5 35.Re4 c3 36.Nc2 Re8 37.Re8 Ke8 38.g3 Nb4 39.Kd1 (39.Nb4!? ab4 40.Kd1+=) 39...Na2–/+ 40.b6 Kd7 41.Nd4 Nb4 0–1. Espig,Lutz (2450) – Vogt,Lothar (2500), DDR–ch, 1979. (=1.Nf3 Nf6 2.c4 c6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 d6 7.0-0)

8.b5 c5 9.Nc3 b6 10.d4 e6 11.dc5 dc5 12.Na4 Qc7 13.Be5 Qa7 14.Qc2 Nbd7 15.Rad1 (15.Bd6 Rd8+/–) 15...Bb7 16.Bc3 Rad8 (16...Qb8 17.Qb2+–) 17.Qb2+/– Nh5 (17...Ne8 18.Bg7 Ng7 19.Ne5 Ne5 20.Qe5+=) 18.Ne5 Ne5 19.Be5 Be5 (19...Rd1 20.Rd1 f6 21.Bc3+–) 20.Qe5 Ng7 21.Qc7 Rc8 (21...Rb8 22.Nb6 Ne8 23.Qc5 Bg2+–) 22.Qb6 Qa8 23.f3 (23.Nc5?! Bg2 24.Rfe1 e5+–) 23...Nf5 (23...Rb8 24.Qc5 Nf5 25.e4+–) 24.Nc5 Rc5 (24...Ne3 25.Nb7 (25.Qb7?! Rc5 26.Qa8 Ra8+=) 25...Nd1 26.Rd1+– (26.Bd1?! Rb8+=)) 25.Qc5 Rc8 (25...e5 26.Qa3+–) 26.Qb6 (26.Qe5 Qa7 27.Rd3 a4+–) 26...Rb8 27.Rd7 Ne3 (27...h6+–) 28.Qe3 1–0. Dalilah – Ggjyyy, internet, 2019.

8.b5 Nbd7 9.a4 e5 10.Nc3 Re8 11.d3 Qc7 12.Qb3 Nc5 Black prepares e4 13.Qc2 Bf5 Black prepares the advance e4 14.Rac1 Rad8 15.Ba3 (15.Nd2 Qe7=) 15...h6 (15...e4 16.Ne1=+) 16.Rfd1 (16.e4 Be6=) 16...e4 17.de4 Nce4 (17...Nfe4 18.Ne4 Be4 19.Qa2=+) 18.Ne4= Be4 (worse 18...Re4 19.Bd3+/-) 19.Qa2 d5 20.cd5 Nd5 21.bc6 (21.Bb2 Nb4 22.Qa1 Bb2 23.Qb2 Bf3 24.gf3 Qe7=) 21...bc6 22.Nd4 Nb4 23.Bb4 ab4 24.Qb3 c5 25.Qb4 cb4 (better 25...Qh2! 26.Kh2 cb4=) 26.Rc7+/- Ra8 (26...Be5 27.Rc4 Bd4 28.Rdd4 (worse 28.ed4 Bd5-+) 28...Rd4 29.Rd4+/- (worse 29.ed4 Bd5 30.Rc2 b3-/+)) 27.Bb5 (27.Bc4!? Rf8 28.Bb3+-) 27...Rec8 28.Re7 Bc2 (28...Bd4 29.Re4 (29.Rd4 Rc1 30.Bf1 Ra4 31.Rde4 Raa1=) 29...Bc3 30.Rb1+=) 29.Nc2 Rc2 30.Rb1 (30.Be8 Kf8 31.Rf7 Ke8 32.Rg7 Ra6+/-) 30...Rb2 (better 30...b3!? 31.Rd7 b2=) 31.Rb2+/- Bb2 32.g3 b3 (better 32...Bc3 33.Rb7 g5+=) 33.Re4?? (better 33.Bc4 Rb8 34.Rf7+-) 33...Bc3=+ 34.Bd3?? (34.Kg2=+) 34...Rb8 (34...Rd8 35.Bc4 b2-+) 35.Bb1 (35.Rc4 Bb4=) 35...Bd2 (better 35...Rd8 36.Kg2 Rd1 37.Re8 Kh7-/+) 36.Kf1+= Rc8 37.Ke2 Ba5 38.Rd4 (38.Re5 Bc3 39.Rb5 b2+/-) 38...Ra8 (38...Rc1 39.Rd5 Bc3 40.Rd1=) 39.Kd3 (39.Rd3 Rb8+/-) 39...Rc8 (39...Kf8 40.f3+=) 40.Rc4 (40.Rd5 Ra8+/-) 40...Rc4?? (40...Rd8 41.Rd4 Rc8+/-) 41.Kc4+- b2 42.Kb5 (42.Kb3!? Be1 43.f4 Bf2+-) 42...Be1+/- 43.a5 (43.f3!?+/-) 43...Bf2+= 44.a6 Be3 45.Kc6 (better 45.Kc4!?+=) 45...Kg7=+ 46.Kb7 Kf6 47.a7 Ke5?? (better 47...Ba7 48.Ka7 Kg5-+) 48.a8Q+- 1-0. GM_HUSARZ (1915) - Apz (1885), Rated Blitz game, lichess.org, 2015.

8.d3 Nbd7 9.Nbd2 b6 10.d4 c5 11.a3 Bb7= 12.Qb3 Qc7 13.Rac1 Rfb8 14.Rfd1 a5 15.Nb1 ab4 16.ab4= Ne4 17.Nfd2 Nd2 18.Rd2 Qc6 19.Bf3 Qa4 20.Qa4 Ra4 21.dc5 Bf3 22.gf3 bc5 23.b5 Bb2 24.Rb2 Ne5 25.Rbc2 Nf3 26.Kg2 Ne5 27.Rc3 Nd7 28.Nd2 Nb6 29.f4 Ra2 30.R3c2 Rba8 31.Kf3 Rc2 32.Rc2 f5 33.Ke2 Kf7 34.Rc1 Ra3 35.Rh1 Rc3–+ 36.h4 Ke8 37.Rb1 Kd7 38.Ra1 Nc4 39.Ra7 Ke6 40.Nc4 Rc4 41.b6 Rb4 42.Rb7 Rb3 43.Rb8 Kd5 44.Rb7 e6 45.Kd2 c4 46.Rb8 Ke4 47.b7 e5 48.Kc2 Ke3 49.fe5 de5 50.Re8 Rb7 51.Re5 Kf4 52.Rc5 Rd7. Meijers,V (2485) – Asbjornsson,I (2015), Reykjavik International, Reykjavik ISL, 2007.

8.d4 b5 9.c5 d5 (9...a5!?=) 10.Nbd2 a5 11.a3 a4 12.h3 Nbd7 13.Re1 Qc7 14.Qc2 Re8 15.e4 de4 16.Ng5 Nd5 17.Nge4 e5 (better is 17...Rd8!?=) 18.Nd6+/– Re6 19.de5 (19.Nc8?! Rc8 20.de5 Rce8+=) 19...Ne5 20.Be5 (20.Nf3!?+/–) 20...Re5 21.Rad1 Re7 22.Bf3 Be6 23.N2e4 h6 24.Bg4?? f5–/+ 25.Ng3 fg4 26.Qg6 Bf7 27.Nf7 Rf7 28.Nh5? gh3–+ 29.Re6 Nf4 30.Nf4 Qf4 31.f3 hg2 32.Rde1 Raf8 33.Re7 Qf3 34.Rf7 Qf7 35.Qf7 Rf7 36.Re6 Rf6 37.Re8 Kf7 38.Rc8 Rg6 (38...Rg6 39.Rd8 Be5–+) 0–1. emeryt85 – tt066, kurnik, 2011.

8.a3 a5 9.b5 a4 10.Nc3 Qa5 11.Rb1 Nbd7 12.d4 Nb6 13.Nd2 Bd7 14.Ba1 c5 15.d5 Bg4 16.Nce4 Ne4 17.Ne4 Bf5 18.Bg7 Kg7 19.Qc2 Nd7 20.f4 Nf6 21.Bd3 Be4 22.Be4 Ne4 23.Qe4 Qc3 24.Ra1 Rae8 25.f5 gf5 26.Qf5 Qe3 27.Kh1 Qh6 28.Qd7 b6 29.Rf3 Qh4 30.Raf1 (30.Rc1 Qh6 31.Rcf1 Qd2+=) 30...Qe4 (30...Qc4 31.Qf5 f6 32.Rh3=) 31.Rf4= Qd3 32.h3 Kh8 (32...Qa3 33.Qg4 Kh8 34.Rf7 Rf7 35.Rf7 Qa1 36.Kh2 Qe5 37.Kh1 Qe1 38.Kh2=) 33.R1f3 Qc2 34.Rf7 Rg8 35.Rg3?? (better is 35.Rf2 Qc1 36.Kh2 Qa3 37.Re7 Re7 38.Qe7 Qg3 39.Kg1+=) 35...Rg3–+ 36.Qe8 0–1. Panchenko,Alexander N (2465) – Gutman,Lev (2535), GMA op Moscow, 1989. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.0-0)

8.a3 a5 9.b5 a4 10.Nc3 Qa5 11.Rb1 Nbd7 12.d4 Nb6 13.Nd2 Bd7 14.Ba1 c5 15.Bf3 Bf5 16.Rc1 Bd3 17.Be2 Be2 18.Qe2 cd4 19.ed4 e6 20.c5 Nbd5 21.Nde4 Ne4 22.Ne4 dc5 23.dc5 Ba1 24.Ra1 Rac8 25.Rfd1 Qa7 26.Rd5+– ed5 27.Nf6 Kh8 28.Qd2 Rg8 29.Ng8 Kg8 30.b6 Qb8 31.Qd5 Rd8 32.Qe4 Qc8 33.c6 bc6 34.Qa4 Rd5 35.Rc1 (35...Qb7 36.Rb1+– (36.Qc6?? Qc6 37.Rf1 Qb6–+; 36.Rc6?? Qc6 37.g3 Qa4–+)) 1–0. Poschmann,Hans – Plinke,Robert, The Climb USA/3/4, 1998.

8.a3 a5 9.Nc3 ab4 10.Na4 Qc7 11.ab4 Nbd7 (11...Bg4 12.d4=) 12.Qb3 e5 13.d3 (13.Nc3 Ra1 14.Ra1 e4+=) 13...Re8 14.Nc3 Rb8 (14...Ra6 15.Rfd1+=) 15.Rfc1 (15.Ra7 h6+/–) 15...Nf8 16.Ra7 Bg4 17.Qa3 (17.Rca1 Ne6+/–) 17...h5 (17...N8d7 18.h3 Bf5 19.e4+/–) 18.b5 (18.h3 Be6+/–) 18...c5 (18...N8d7 19.h3 Be6 20.bc6 Qc6 21.Ng5+/–) 19.Nd2 (19.h3 Be6+/–) 19...N8h7 (19...Be2 20.Ne2 h4 21.Ra1+/–) 20.Nde4 (20.Bg4 hg4 21.Ra1 Ng5+/–) 20...Ne4+/– 21.de4 Be2 22.Ne2 h4 23.h3+= Ng5 24.Qd3 Bf8 25.Nc3 Re6 26.f4 Nh7 27.Nd5 Qd8 28.Bc3 Bg7 29.Ba5 b6 30.Be1 g5 31.f5 Rh6?? 32.Ne7+– Kh8 33.Nc6 Qg8 34.Nb8 Qb8 35.Rca1 Qg8 36.Qd5 Rf6 37.Ra8 Bf8 38.Qd1 Rh6 39.Rd8 Kg7 40.Raa8 Rf6 41.Qh5 Rh6 42.Qg4 f6 43.Rd7 Kh8 44.Qe2 g4 45.Qg4 Ng5 46.Bh4 Rh7 47.Rh7 (47.Rh7 Nh7 48.Qg8 Kg8 49.Ra6+–) 1–0. Kortschnoj,Viktor – Renet,Olivier, Immopar, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.0-0)

8.a3 a5 9.d4 ab4 10.ab4 (10.c5!? Qc7 11.ab4 Ra1 12.Ba1=) 10...Ra1+= 11.Ba1 Qb4 12.Bc3 Qb6 13.Nbd2 Nbd7 14.Qc2 c5 15.Rb1 Qc7 16.d5 Ng4 17.h3 Bc3 18.Qc3 Nge5 19.Ne4 (19.Ne5 Ne5 20.Ra1 Re8=) 19...Nf3+= 20.Bf3 Ne5 21.Be2 Bf5 22.Bd3 Nd3 23.Qd3 Ra8 24.g4 Be4 25.Qe4 Qd7 26.f4 e6 27.de6= fe6 28.Rb7 Qe8 29.f5 ef5–/+ 30.Qd5 Kf8?? 31.Qd6+– Kg8 32.Qc5 Ra1 33.Kh2 Ra2 34.Kg3 Ra1?? 35.Qd5 Kf8 36.Qd4 Rg1 37.Kh2 Ra1 38.Qg7# 1–0. emeryt85 – fatlum76, kurnik, 2011.

8.a3 c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.d4 Ne4 14.Nbd2 Nd2 15.Qd2 cd4 16.Nd4 Nf6 17.Bf3 Bg4 18.Bg4 Ng4 19.h3 (19.Nf3 Nf6=) 19...Nf6 (19...Ne5!?+=) 20.Ne2 Ra8 21.Bd4 Qc7 22.Ra1? (better is 22.Rc1=) 22...Ra1–/+ 23.Ba1 Ne4 24.Qc1 Ba1–/+ 25.Qa1 Qc4 26.Qa8 Kg7 27.Qb7 Qe2 28.Qe4= Qb5 29.Qe7 d5 30.Qe5 Kg8 31.Kh2 Qc6 32.Qd4 Qe6 33.f4 f6 34.g4 Kf7 35.Kg3 f5 36.g5 Qe4 37.Qa7 Qe7 38.Qe7+= Ke7 39.Kf2 Kd6 40.Ke2 Kc5 41.Kd3 Kd6?? 42.Kd4+– Ke6 43.Kc5 d4?? 44.ed4 Kd7 45.d5 Kc7 46.d6 Kd7 47.Kd5 Kd8 48.Ke6 Ke8 49.d7 Kd8 50.Kd6 h5 51.gh6 g5 52.h7 gf4 53.h8Q# 1–0. emeryt85 – fatlum76, kurnik, 2011.

8.b5 cb5 9.cb5 Bg4 10.a4 a5 11.d4 Nbd7 12.Nbd2 Rfc8 13.Qb3 Be6 14.Qa3 Nd5 15.Nc4 Qd8 16.Ng5 (16.Rfc1 N7f6=) 16...Nf4 17.ef4 Bc4 18.Bc4 Rc4 19.Qh3 Nf6 20.Rfe1 Rac8 21.d5 h6 22.Bf6 ef6 (worse is 22...Bf6 23.Qh6 Bg5 24.Qg5+/– (24.fg5?! R8c5=)) 23.Nf7 (better is 23.Nf3!? Rf4 24.Qg3–/+) 23...Kf7–+ 24.Qe6 Kf8 25.Ra3 (25.f5 gf5 26.Qf5 R8c5–+) 25...Rf4 26.g3 Rfc4 27.Rae3 (27.f4 R8c7 28.f5 gf5 29.Qf5 Qc8–+) 27...Rc1 (better is 27...Ra4!? 28.f4–+) 28.Qg4 g5 29.Rc1 Rc1 30.Kg2 Rc7 31.h4 Re7 32.Rc3 Re8 33.Qf5 Qe7 34.Re3 Qc7 35.b6 (35.hg5 hg5 36.g4 Qc8–+) 35...Qc8 (35...Qc5 36.Re8 Ke8 37.Qe6 Kf8 38.h5–+) 36.Re8 Qe8 37.Qc2 gh4 38.gh4 Qd7 39.f3 f5 40.Qc7 Ke7 (40...Qa4?! 41.Qd6 Ke8 42.Qg6 Kd8 43.Qg7 Qa2 44.Kg3 Qd5 45.Qh6 Qe5 46.Kh3=) 41.Qb8 (41.Qc4 Kf7–+) 41...Bd4 (41...Qa4?! 42.Qb7 Kf6 43.Qc6 Qa2 44.Kh3–/+) 42.Qa7 (42.Qg8 Kf6 43.f4–+) 42...Qc8 43.Qa5 Qc2 44.Kh3 (44.Kh1 Qb1 45.Qe1 Qe1 46.Kg2 Qf2 47.Kh3 Qf1 48.Kg3 Be5 49.f4 Bf4) 44...Be5 45.f4 Qd3 46.Kg2 Qe2 (46...Qe2 47.Kg1 Bd4 48.Kh1 Qf1 49.Kh2 Bg1 50.Kg3 Qf2 51.Kh3 Qf3) 0–1. Mehlhorn,Uwe (2125) – Gutman,Lev (2470), Kassel op, 1995.

8.a4 e5 9.Nc3 Bg4 10.h3 Bf3 11.Bf3 (worse is 11.gf3 Qd7 12.Kg2 Na6+=) 11...Nbd7 12.d4 Rad8 13.b5 Rfe8 14.Qb3 c5 15.Nd5 (15.de5 de5 16.e4 Bh6+=) 15...Nd5= 16.Bd5 Nf6 (16...ed4!? 17.ed4 Bd4 18.Bd4 cd4=) 17.dc5+= Nd5 18.cd6 (18.cd5 dc5 19.e4 Qd6+=) 18...Qd6= 19.cd5 Qd5 20.Qd5 Rd5 21.Rac1 Rd2 22.Ba1 Ra2 23.Rc7+= Ra4 24.Rb7 e4 25.Bg7 Kg7 26.Rc1 Kf6 27.Rcc7+/– Ra1 28.Kh2 Re5? 29.Rf7+– Kg5 30.Rh7 Rf5? 31.Rhf7 Ra5 32.Rf5 gf5 33.b6 ab6 34.Rb6 1–0. orangutanb4 (2050) – hadji (1735), kurnik, 2012.

8.Qb3 Ng4 9.Bg7 Kg7 10.h3 Nf6 11.d4 Be6 12.Nbd2 b5 13.Rfc1 d5? (better is 13...a5!?+=) 14.cb5+– a6 (14...Qd6 15.bc6 Nc6 16.Qa4+–) 15.bc6 a5 (15...Ne4+–) 16.b5 Qb6 17.a4 Ne4 18.Bd3 Rc8 19.Rab1 (19.Ne4?! de4 20.d5 Bf5+–) 19...h6 20.Be4 de4 21.Ne4 (better is 21.d5 ef3 22.de6 fg2 23.Qc3 Kh7 24.ef7+–) 21...Bb3–+ 22.Rb3 Nc6! (22...Nc6 23.Rbc3 Na7–+) 0–1. Schalkwijk,Peter – Salinas,Evin, OP–2011–0-01757, 2011.

8.Qc2 Nbd7 9.d4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 e5 13.Nbd2 Re8 14.Rd1 h5 15.h3 Nh7 (15...b6 16.c5 ed4 17.cd6 Qd6 18.Bd4+/–) 16.Qb3 (16.c5!?+/–) 16...e4+= 17.Ne1 f5 18.Nf1 Nhf6 19.d5 Ne5 20.dc6 bc6 21.b5 cb5 22.cb5 Be6 23.Qb4 Nd5 24.Qb1 Rb8 25.Nc2 Rb6 26.Nd4 Bd7?? 27.Qb3 Qc5 28.Bb2 Nd3? 29.Bd3+– ed3 30.Rc1 Qb4?? 31.Qd5 (31.Qd5 Kh7 32.Rc7 Qb2 33.Rd7+–) 1–0. mila77 (1805) – berry007 (1755), kurnik, 2011.

8.d4 Re8 9.Nc3 Nbd7 10.Qb3 e5 11.Rac1 Nf8 12.d5 c5 13.bc5 Qc5 (better is 13...dc5!? 14.Nb5 Qb8+/–) 14.Ba3+– Qc7 15.Nb5 (15.Nb5 Qb6 16.Bd6+–) 1–0. elsh1403 – jechko (1605), kurnik, 2011.

8.Nc3 Na6 9.Qb3 Nc7 10.d4+= a6 11.a4 b5 12.ab5 ab5 13.d5 bc4 14.Bc4 cd5 15.Nd5 Ncd5 16.Bd5 Ra1 17.Ra1+= Nd5 18.Bg7 Kg7 19.Qd5 Qb6 20.Qd2 Rb8= 21.Rb1 Ra8 22.h3 Bf5 23.Rb2 e5 24.Kh2 h6 25.Ng1 g5 26.Ne2 g4 27.Ng3+= Be6 28.hg4 Bg4 29.Qd3 Ra1 30.Qe4 Be6 31.Nh5 Kf8 32.Qh4 Qc7 33.Qf6+= Bc4 34.Qh6 (34...Ke8 35.Nf6 Ke7 36.Rc2+–) 1–0. Makowski,Zbigniew – Kulesz,Bazyli, Rybnik, 1988.

8.d4 Na6 9.b5 cb5 10.cb5 Nc7 11.Nc3 Ncd5 12.Nd5 Nd5 13.Qb3 Nf6 14.Rfc1 Rc8 15.Rc8 Qc8 16.Rc1 Qb8 17.Bc4 e6 18.d5 e5 19.Bd3 Rc8 20.Rc4 Rc4 21.Qc4 Qc8 22.Qc8 Bc8 23.e4 Ne8 24.Nd2 Bf8 25.Nc4 Be7 26.Kf1 Bd8 27.Bc3 f6 28.Bb4 Bc7 29.Ke2 Kf7 30.a4 Ke7 31.Kd2 Bb6 32.Nb6 ab6 33.Ke3 Ng7 34.f4 Nh5 35.fe5 fe5 36.Kf3 Nf6 37.h3 Bd7 38.Bd2 Kf7 39.Be3 Bc8 40.Bb6 Nd7 41.Be3 Nb8 42.Kg3 Nd7 43.a5 Nf6 44.Kf3 Ne8 45.Bb6 Nf6 46.a6 ba6 47.ba6 Ba6 48.Ba6 1–0. Kreuzer – Simikin, 1987.

8.Qc2 a5 9.ba5 Qa5 10.d4=.

8.Qc2 a5 9.b5=.

8.Qc2 Qb6 9.a3+= a5 10.b5 cb5 11.cb5 Nc5 12.Nc3 Bf5 13.d3 Rac8 14.Qd1 Bd7 15.a4 Be6 16.Nd4 Qd8 (16...Bd7 17.Rc1=) 17.Ne6 Ne6 18.Bf3 Rc7 19.d4 Ng5 20.Be2 Qd7 (20...d5 21.Rc1+=) 21.Qd3 h5 (21...d5!?+=) 22.f4 Ngh7 23.h3 (23.f5 gf5 24.Rf5 e6+/–) 23...Re8 (23...d5 24.Rac1+=) 24.Qd2 e5? (better is 24...b6!?+=) 25.b6+– Rc3 (25...Rc6 26.fe5 de5 27.Bb5+–) 26.Qc3 (26.Bc3 Ne4 27.Qd3 Nc3 28.Qc3 ed4 29.Qa5 d3 30.Bd3 Ba1+/–) 26...Rc8 (26...ed4 27.Qd4 Re4 28.Qd3+–) 27.Qa5 ef4 28.ef4 (28.Bb5 Qe6 29.ef4 Rc2+/–) 28...Rc2 29.Bb5 Qe7? (29...Qe6 30.Rab1 Qb3 31.Qa8 Nf8 32.Qb7 Rb2 33.Rb2 Qb2+/–) 30.Rae1 Ne4 (30...Qd8 31.Bc3+–) 31.Bd3 (better is 31.Qb4 Rc8 32.Rf2+–) 31...Rb2 32.Re4 Qh4? (32...Bd4 33.Kh2 (33.Rd4 Qe3 34.Kh1 Qd4+=) 33...Qf6 34.Qa8 Kg7 35.Qb7 Bb6 36.Qd5+–) 33.Re2 (better is 33.Bc4 Qd8 34.Rfe1+–) 33...Bd4 34.Kh1 Rb6 (34...Re2 35.Be2 Qd8 36.Qd5 Bb6 37.Qb7+–) 35.Qa8 (35.f5 Qg5 36.Qd5 Bf6 37.Re8 Nf8+–) 35...Kg7 36.Bc4 Qf6 (36...Nf6 37.Bf7! d5+–) 37.Bd5 (37.Qe8!? Rb4 38.Bf7 Be5 39.Qg8 Kh6+–) 37...Rb4 (37...Qf5 38.Be4 (38.Bb7?! Rb1 39.Rfe1 Re1 40.Re1 Qf4=) 38...Qd7 39.Bd3+/–) 38.Bb7 (38.Qe8 Be5 39.Bf7 Rf4 40.Rf4 Bf4+–) 38...Be5 39.Ref2 Rf4? (better is 39...Bd4 40.Rc2 Be5+/–) 40.Rf4 Bf4 41.g3! Qe6 (41...Bg3 42.Rf3 Double attack (42.Rf6 Pinning; 42.Rf6 Deflection; 42.Rf3 Decoy)) 42.Bg2 (better is 42.Bc8 Qb3 43.gf4+–) 42...Bg3+= 43.Qd5 (43.a5 Qe3 44.Qf3 Qf3 45.Rf3 Be5+–) 43...Qd5= 44.Bd5 Nf6 45.Bf3 (45.Bc6 Ng8+=) 45...Be5 (45...Ne8 46.a5 Nc7 47.Bb7+=) 46.a5 Bd4 47.Rb1 (47.a6 Nd7+/–) 47...Nd7 48.a6 Kf6 (48...Ne5 49.Bd5+/–) 49.Rb7 Ne5 50.Bd5 Kg5 (50...Be3 51.a7 Ba7 52.Ra7+–) 51.Bf7 Kh4?? (51...Nc6+–) 52.Kg2 (52.Rb4 Nc6 53.Rd4 Kh3 54.Rd6 Na7+–) 52...Nc6 (52...Nd3 53.Bg6 Nf4 54.Kh2+–) 53.Bg6 (better is 53.Be8 Nb8 54.Rb8 Kg5+–) 53...Bc5 54.Be8 Na7 55.Rh7 Kg5 56.Rh5 (56.Kf3 Kf6+–) 56...Kf6 (56...Kf4 57.h4+–) 57.Rh7 (57.Bd7 Ke7 58.Rh7 Kf6+–) 57...Nc8 (57...d5 58.h4 Ke5 59.h5+–) 58.Rc7 Na7 59.Kg3 (59.h4 Kf5+–) 59...Kg5 (59...Bb6 60.Rb7 Bd4+–) 60.h4 Kf6 61.Kg4 Be3 (61...Bb6 62.Rb7 Be3 63.h5+–) 62.h5 d5 63.h6! (63.h6 Bh6 64.Ra7+–) 1–0. De Souza,Kim Garcia (1740) – Cathcart,Jessica (1855), Championship Paranaense Women de Xadrez, 2015.

8.Qc2 e5 9.c5 (9.d4 a5+=) 9...dc5 10.bc5 Re8 11.d4 ed4 12.ed4 (12.Bd4 Ne4=) 12...Nd5+= 13.Re1 N7f6 14.Nbd2 Bf5 15.Qb3 Nf4 16.Bc4 Qc7 17.a4 h6 (17...b6 18.Ne5 N6d5 19.cb6 ab6 20.Rac1=) 18.Ne5 N4d5 19.f3 Rad8 20.Ne4 Be6 21.Nd6 Rd6 (21...Re7!?=) 22.cd6+= Qd6 23.Ba3 Qc7 24.Rab1 b6 (24...Nd7 25.Qb7 Ne5 A) worse is 26.Re5 Be5 27.de5 Qe5 28.Qa7 Nc3 29.Be6 Qe6–/+ (worse is 29...Re6 30.Qb8 Qb8 31.Rb8 Kh7 32.Bb2 Re1 33.Kf2+/–); B) 26.de5 Be5 27.Qc7 Bc7 28.Bd5 cd5 29.Bc5+=) 25.Rbc1+/– Nd7? (better is 25...Qc8+/–) 26.Bd5+– Ne5 27.de5 Be5 28.Rc6 Bh2 (28...Bd5 29.Qd5 Bh2 30.Kf1 Re1 31.Ke1 Qe5 32.Qe5 Be5+–) 29.Kh1 Qg3 30.Ree6 (30.Be6?! Qe1 31.Kh2 Qe5 32.Kh3 Qh5 33.Kg3 Qe5 34.Kf2 Re6 35.Re6 Qe6 36.Qe6 fe6+–) 30...fe6 31.Be6 Kh7 32.Qd1 Qh4 33.Qd7 (33.Qd7 Qe7 34.Be7 Kg7 35.Bh4 Re7 36.Qe7 Kh8 37.Bf6) 1–0. DEFFM – GuestLKBP, freechess.org, 2018.

8.Qc2 Re8 9.Rd1 e5 10.d4 e4 11.Nfd2 Nf8 12.Nc3 d5 13.b5 Ng4 14.h3 Nf2 (14...Nf6!?+=) 15.Kf2+/– Qf6 16.Kg1 Qg5 17.Kh1 Qe3 18.Nf1 Qf2 19.Qd2 (19.cd5!? Bd4 20.Nd2+/–) 19...Ne6 (19...e3 20.Qe1 dc4 21.Qf2 ef2 22.Bc4 Be6+=) 20.Qe1 (better is 20.Ne3!?+/–) 20...Qe1+= 21.Re1 Nd4 22.cd5 Nc2 23.Bc4 Bd7 (better is 23...Ne1!? 24.Re1 Bd7 25.bc6 bc6–/+) 24.dc6+= bc6 25.Rad1 Ne1 26.Rd7 Rf8 27.bc6 Nd3 28.Bd3 ed3 29.Na4 Rfc8? (better is 29...Rfd8+=) 30.c7+– (30.Rd3?! Rc6 31.Bg7 Kg7+=) 30...Bh6 31.Bf6 Re8 32.Rd3 (better is 32.Nb2+–) 32...Bf4 33.Rc3 Rac8 34.Bd8 Re4 35.Rb3?? (35.g3 Bc7 36.Bc7 (worse is 36.Rc7 Rc7 37.Bc7 Ra4–/+) 36...Ra4 37.a3+=) 35...Bc7?? (better is 35...Ra4 36.Rc3 Ra2–+) 36.Bc7+= Rc7 37.Nc3 Re1 38.Kg1 Rc1 39.Nd5 R7c2 40.Ra3 Re2 41.Nde3 Ra1 42.Ra7 Re3–+ 43.Kf2 Rc3 44.Ne3 h5 45.Ke2 Rcc1 46.Kd2 Rg1 47.a4? Ra2 48.Kd3 Rga1 49.Rc7 Ra4 0–1. Paskalev,Dinko (1885) – Fernandez Manrique,Agustin (2155), Kesarovski Georgiev Memorial 6th, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 d6 7.0-0 Nbd7)

8.Nc3 b6 9.b5 c5 10.d4 Bb7 11.dc5 (11.d5!?+=) 11...Nc5= 12.Nd5 (12.a3!?=) 12...Nd5+= 13.Bg7 Kg7 (better is 13...Ne3!? 14.fe3 Kg7–/+) 14.cd5= Qd7 15.a4 Qf5 16.Qd4 Kg8 17.Bc4 Rac8 18.Nh4 (18.a5 e5 19.Qh4 Qe4+=) 18...Qg5 19.Qf4 (better is 19.a5+=) 19...Qf4–/+ 20.ef4 Ne4 21.Bd3 Bd5 22.a5 (22.Be4 Be4 23.Rfe1 Rc4–/+) 22...Rc3 (better is 22...Nc5!? 23.Be2 Ne6–+) 23.Be4+= Be4 24.ab6 ab6–+ 25.Ra6 Rb8 26.f3 Bd3 27.Rd1 Bb5 28.Ra7 Rc4 29.Re7 g5 30.Nf5+= Rf4 31.Nd6 Ba4 32.Rb1 b5 33.Rb7 Rb7–/+ 34.Nb7 Rd4 35.Nc5 Rd1 36.Rd1 Bd1 37.Kf2 b4 38.Ke1= Bc2 39.Kd2 b3 40.Kc3 Kg7 41.Nb3 Bb3 42.Kb3 Kf6 43.Kc3 Ke5 44.Kd3 f5 45.Ke3 f4 46.Kf2 Kd4 ½–½. Neumann,Frank (1650) – Goebel,Martin (1805), RSS5E easy–60, 2008.

8.d3 a6 9.Nbd2 b5 10.Qc2 Nb6 11.Rac1 Bd7 12.Rfd1 Na4 13.Bd4 c5 14.bc5 Nc5 15.Bc5 dc5 16.Ne5 (16.Nb3!?+/–) 16...Qc7 17.Nd7 Nd7 (worse is 17...Qd7 18.Nb3+/–) ½–½. Martin Hernandez,R (2095) – Meneses Gonzalez,K (2150), 4th Pedro Montalvo Mem, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.e3 0-0 6.Be2 d6 7.0-0 Nbd7)

8.d3 Qb6= 9.a3 c5 (9...a5 10.Qe1=) 10.b5 (10.Qa4 Rd8+=) 10...a6= 11.a4 Qc7 12.Nbd2 b6 13.Qb3 Bb7 14.h3 e6 15.Bc3 d5 16.Qb2 Rfe8 17.Ne5 d4 18.ed4 (18.Bd4 cd4) 18...Ne5 19.de5 Nd7 20.f4 g5 21.Bf3 (21.a5 gf4 22.ab6 Qb6 23.Rf4 ab5 24.Ra8 Ra8 25.cb5 c4 26.Bd4 c3 27.Qc3 Be5+/–) 21...gf4 (21...Bf3!? 22.Rf3 gf4+=) 22.Bb7+/– Qb7 23.Ne4 (better is 23.Rf4 Qc7 24.Nf3+/–) 23...Bh6? (better is 23...Qb8=) 24.Nd6+– Qb8 25.Ne8 Qe8 26.Rf3 a5 (26...Qe7 27.Raf1+–) 27.Qf2 Rd8 (27...Qe7 28.Rf1+–) 28.Qh4 Qf8 29.Re1 Qg7 (29...Bg7+–) 1–0. Olsen,Birger – Andreassen,Leif, Vadsosjakken op, 1992.

8.d4 a6 9.a4 a5 10.b5=.

8.d4 a6 9.a4 b6 10.b5 ab5 11.ab5 Ra1 12.Ba1 c5 (12...cb5 13.cb5 Bb7 14.Bb2=) 13.Nbd2 (13.d5 Bb7=) 13...Bb7 14.Bb2 (14.d5 Qc7=) 14...Ne4 (14...cd4 15.ed4 Qc7 16.Bd3=) 15.Ne4 Be4 16.Qd2 Qc7 17.Ng5 h6?? (better 17...Bb7=) 18.Ne4+– Nf6 19.Nc3 cd4 20.ed4 Kh7 (20...Rd8 21.Rc1+–) 21.Ra1 e5 22.Ra6 ed4 (22...Rb8 23.h3+–) 23.Qd4 Nd7 (23...Re8 24.Bf1 Qd8 25.Qb6 Qb6 26.Rb6 Rd8+–) 24.Qg7! Kg7 25.Nd5 f6 26.Nc7 Nc5 27.Rb6 Na4 28.Rd6 Nb2 29.Ne6 Kf7 30.Nf8 Kf8 31.b6 (31.b6 Ke7 32.c5 Kf7 33.b7 Nd3 34.Bd3 f5 35.Bc4 Kg7 36.b8Q h5 37.Qg8 Kh6 38.Qg6) 1–0. Pierre – Mannaher, internet, 2020.

8.d4+= b6 9.a4 (9.Nc3 Bb7+=) 9...Bb7 10.Nbd2 Qc7 11.b5 (11.a5 ba5 12.ba5 c5=) 11...cb5 (11...c5 12.d5=) 12.ab5+= e6 13.Ba3 (13.Qb3 a6+=) 13...Rfd8 (13...a6 14.ba6 Ra6 15.c5 bc5 16.Ba6 Ba6 17.Re1+=) 14.Qc2 (14.Qa4 a6+=) 14...Rac8 (14...a5 15.e4+=) 15.Bb4 (15.Qa4 Ra8+=) 15...Ra8 16.Ra2 a6 17.ba6 Ba6 18.Rfa1 Bb7 19.Qb3 Ra2 20.Ra2 Ra8 (20...Bc6 21.Bd3+=) 21.Ra8+/– Ba8 22.Qa3 Bf3 23.Bd6 Qd8 24.Bf3+– Bf8 25.Bf8 Nf8 26.Qa4 Qd6 27.g3 e5 28.d5 N8d7 29.Kg2 Nc5+/– 30.Qa3 Qc7 31.Nb1 e4 32.Be2 Nfd7 33.Qa8 Kg7 34.Nc3 Qe5 35.Qa3 Qf6 36.Nb5 Ne5 37.Nc3 Ned3 (38.Nd1 Kg8+/–; better is 37...Ned7!?=). Olsen,Birger – Andreassen,Leif, Vadsosjakken op, 1996.

8.d4 c5 9.a3+=.

8.d4 d5 9.c5 Re8 10.a4 a6 11.Nbd2 h6 12.Ne5 Ne5 13.de5 Nd7 14.f4 f6 (better is 14...a5!?=) 15.Qc2+/– Nf8 16.Bd3 f5 17.Nf3 Be6 18.Nd4 Qd7 19.Kh1 (19.h4 a5+/–) 19...Bf7+= 20.Qe2 Ne6 21.Ne6 Be6 22.Bd4 Ra7 23.Ra2 Rea8 24.Qe1 Bf7 25.Qb1 Qe6 26.g4! fg4 27.f5 Qc8 28.f6 ef6 29.ef6 Bf8 (29...Bh8 30.Bg6 Qe8 31.Bf5+–) 30.Bg6+– Qe6 (30...Qe8 31.Rg2 Kh8 32.Bf7 Qf7 33.Rg4 b6 34.cb6 Rd7+–) 31.Bf5 Qe8 32.Rg1 (32.Bg4?! Kh8+–) 32...h5 33.Rag2 (33.Rag2 Kh8 34.Bg4 Bc5 35.Bd7+–) 1–0. Guarnieri,Giuseppe – Marino Bravo,Marco Antonio (2165), Ars op, 1995. (=1.d4 Nf6 2.Nf3 d6 3.e3 g6 4.Be2 Bg7 5.0-0 0-0 6.c4 c6 7.b4 Nbd7 8.Bb2)

8.d4 d5 9.Nbd2 dc4 10.Nc4 Nb6 (10...Nd5 11.Qb3 N7f6 12.Rfc1 a6 13.Nfe5 Bf5 14.a4 Ne4 15.Bd3 f6+= 0.56; 10...Nb8 11.Nce5 Bf5 12.b5 cb5 13.Bb5 a6 14.Bd3 Bd3 15.Qd3 Nbd7+= 0.50; 10...Ne4 11.Bd3 Ndf6 12.Nfe5 Qd5 13.f3 Nd6 14.Qc2 Qe6 15.e4 Rd8+= 0.56) 11.Na5 (11.Nce5 Bf5 12.a3 Nfd5 13.Nd2 Nf6 14.Rc1 a6 15.Nd3 Rb8+= 0.47) 11...Nbd5 12.a3 Rb8 13.Rc1 (13.Nc4 Bf5 14.Nfe5 Qc8 15.Rc1 Rd8+= 0.34) 13...Qc7 (13...Bf5 14.Nc4 a6 15.Bd3 Qc8+= 0.34) 14.Bc4 (14.Qa4 Rd8 15.Nb3 a6+= 0.41) 14...Bf5 15.Ne5 Rbd8 (15...Qd6= 0.25) 16.Qb3 Be6 17.Rfe1 Ne4 18.Qc2 Nd6 19.Bd5 Bd5 20.e4 Be6 21.d5 f6? (better is 21...Bc8!?+/–) 22.Nec6+– (22.de6?! fe5 23.Nb3 Nb5+=) 22...bc6 23.de6 Bh6 24.Qc6 Qc6 25.Rc6 Ne4 26.Bc1 Bc1 (26...Bd2 27.Bd2 Rd2+–) 27.Rcc1 (27.Rec1?! Rd3+–) 27...f5 28.f3 Nf6 29.Nc6 Rde8 30.Na7 Nd5 31.Nc6 Nf4 32.Rc4 Nd3 33.Re3 Nb2 34.Rd4 Na4 35.b5 f4 36.Re5 (36.Ra4?! fe3 37.Re4 Rf5+–) 36...Nb6 37.a4 Kg7 38.a5 Rh8 1–0. Guramishvili,Sopiko (2295) – Mammadova,Gulnar Marfat (2260), World Girls U20 Championship Czarna Poland, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.d4 Nbd7 8.0-0)

8.d4 Ne4 9.Qc2 f5 10.Nbd2 Nd2 11.Nd2 e5 12.de5 de5 13.c5 Qe7 14.Nc4 h5 15.Rad1 Kh7 16.e4 Nf6 17.Bd3 (better is 17.f3!?+/–) 17...fe4+= 18.Be4 Ne4 19.Qe4 Rf4 20.Qe2 Be6 21.Ne5 Bd5 (worse is 21...Rb4 22.Ng6 Qe8 23.Bg7 (worse is 23.Qh5 Bh6+/–) 23...Qg6 24.Bc3+/–) 22.Rfe1 Rb4 23.Qd2 Re4 24.Nf3 Bh6 25.Qc3 Re8?? (25...Re1 26.Re1 Qf8 27.Ne5+=) 26.Re4 Be4 27.Re1 Qf8 28.h3?? (better is 28.Qd4 Bg7 29.Ng5 Kg8 30.Qg7 Qg7 31.Bg7 Kg7 32.Re4 Re4 33.Ne4+–) 28...Bd5?? (better is 28...Bf3 29.Re8 Qe8 30.Qf3 b6=) 29.Re8 Qe8 (29...Bg7 30.Rf8 Bc3 31.Bc3 g5 32.Ng5 Kh6 33.Rf6 Kg7 34.Rd6 Kf8 35.Bf6 Bf7 36.Rd7 Be8 37.Ne6 Kg8 38.Rg7 Kh8 39.Rg6 Kh7 40.Nf8#) 30.Ng5!! (30.Ng5 Bg5 31.Qg7#) 1–0. Mikhalchishin,Adrian (2515) – Ristic,Nebojsa (2410), YUG–chT Cetinje, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Be2 Nbd7 8.0-0)

8.d4 Ne4 9.Nbd2 Nd2 10.Qd2 e5 11.de5 Ne5 12.Rfd1 Be6 13.c5 (13.Rac1 Qe7+=) 13...Nf3 14.Bf3 dc5 15.Qc2 Qe7 16.Bg7 Kg7 17.bc5 Rad8 18.Qc3 f6 19.Qa5 a6 (19...Rd1 20.Rd1 Ra8 21.a3+=) 20.a4 (20.Rab1 Rd1 21.Rd1 Rf7+=) 20...Bb3 21.Rd6 (better is 21.Rd8!? Rd8 22.Qb6+=) 21...Qe5+= (worse is 21...Rd6 22.cd6 Qd6 23.Qb6+/–) 22.Qc7 Rf7 23.Qd8 Qa1 24.Bd1 Qc1 (24...Bd5 25.Rd5 cd5 26.Qd5 Qc3–/+) 25.a5? (25.Rd7 Qc3 26.g3 Qc1=) 25...Bd1 (better is 25...Bd5!? 26.Rd5 cd5 27.Qd5 Rc7–+) 26.Rd1+= Qc5 27.h4 (27.Qd2 b6 28.ab6 Qb6+=) 27...Qe7 28.Qc8 (28.Qd2 Qe6+=) 28...Qc7 (28...Qb4 29.Ra1–/+) 29.Rd8 (29.Qd8 Qd8 30.Rd8 Re7–/+) 29...Qc8 (29...Qa5 30.Rh8 Kh6 31.g3–+) 30.Rc8–/+ Rd7 (30...Kh6 31.Kf1–/+) 31.g4 (31.Rb8 f5–/+) 31...h5 32.gh5 gh5 33.Kg2 Kg6 34.Kf3 (34.e4 Rd4 35.Rg8 Kf7–/+) 34...Rd5 35.Rc7 (35.Rg8 Kf7 36.Rb8 Ra5 37.Rb7 Ke6–/+) 35...Ra5 (35...Rf5 36.Ke2–/+) 36.Rb7 Rb5 (36...c5 37.Ra7–/+) 37.Ra7 a5 38.Ra6 c5 (38...Rc5 39.e4–/+) 39.Ke4 Rb4 40.Kd5 a4 41.Kc5 Rh4 42.f4 Rh1 (42...Kf5 43.Ra4 Rh1 44.Ra5–/+) 43.Ra4 (43.e4 h4 44.Ra4 h3–/+) 43...Kf5 (43...h4 44.e4 h3–/+) 44.Kd6 (44.Ra5!?–/+) 44...Re1 (44...Rd1 45.Ke7 Re1 46.Ra5 Kg6 47.Ke6–+) 45.Ra5 Kg6 46.Kd5 (46.Kc5 Re3 47.Kd4 Re1–+) 46...Re3 47.Kd4 Re1 48.Ra8 (48.Kd3 h4–+) 48...Kf5 49.Rf8 (49.Kc3 Kf4 50.Kd2 Re5–+) 49...h4 50.Rh8 Kf4 (50...Kg4 51.f5–+) 51.Rh4 Kg3 52.Rh5 Kg4 53.Rc5 (53.Rh7 f5–+) 53...f5 54.Kd3 (54.Rc8 f4–+) 54...f4 55.Kd2 Re8 56.Rc1 (56.Rc4 Kg3 57.Rc7 f3–+) 56...Kg3 (56...f3 57.Rc7–+) 57.Rc5 (57.Rc7 f3–+) 57...f3 58.Rg5 Kf2 59.Rd5 (59.Rg7 Rd8 60.Kc3 Kf1–+) 59...Kf1 60.Rd6 f2 61.Rg6 Rd8 (61...Rh8 62.Kc2–+) 62.Kc3 (62.Kc2 Rd4 63.Kc3 Rh4–+) 62...Rd5 63.Kc4 (63.Kc2 Ke2 64.Re6 Kf3–+) 63...Re5 64.Kd4 Re8 65.Ra6 Ke2 66.Ra2 Kf3 67.Ra3 (67.Rf2 Kf2 68.Kd3–+) 67...Kg2 (67...Kg2 68.Ra1 f1Q 69.Rf1 Kf1–+) 0–1. Westerberg,Jonathan (2495) – Goluch,Piotr (2295), 45. Rilton Cup, 2016. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 Nbd7 6.e3 0-0 7.Be2 c6 8.0-0 Ne4)

8.d4 Ne4 9.Nbd2 Ndf6 10.a4 Nd2 11.Nd2 d5 12.b5 Bf5 13.Qb3 g5 14.cd5 cd5 15.Rac1 g4 16.g3 h5 17.Rc3 Nh7 18.Rfc1 Ng5 19.Rc7 e6 20.Rb7 Qf6 21.Rd7 Nh3 22.Kh1 Nf2 23.Kg2 Be4 24.Ne4 Ne4 25.Qd1 Qf2 26.Kh1 Qe3 27.Qf1 Bd4 28.Bd4 Qd4 29.Rf7 Nf2 30.Qf2 1–0. Junge – Gemende, JBDDR'2364, corr, 1970.

8.d4 Ne4 9.Nbd2 Ndf6 10.Qb3 Bg4 11.Bd3 Nd2 12.Nd2 a5 13.a4 ab4 14.f3 White threatens to win material: f3xg4 14...Be6 15.Qb4 c5 Black threatens to win material: c5xb4 16.Qa3 (16.Qb7?? the pawn must be left alone, otherwise White will be punished 16...Rb8 17.Qb5 Bd7-+ (worse 17...Rb5 18.ab5 cd4 19.ed4-+)) 16...cd4 17.Bd4 Bd7 18.a5 Bc6 19.Rfd1 Nd7 20.Bg7 Kg7 Black king safety dropped 21.Be4 Qc7 22.Qb4 Rfc8 23.Rdc1 Nc5 The knight feels good on c5 24.Bd5 e6 25.Bc6 Qc6 26.Nb3 Nb3 27.Qb3 Ra6 28.Kf2 White king safety dropped 28...Rc7 29.Qb2 e5 30.c5 f6 31.cd6 Qd6 32.Rd1 White threatens to win material: Rd1xd6 32...Qe7 33.Qb5 Rac6 34.Rd2 Rc2 Black pins: Rc2xd2 35.Rad1 Rd2 36.Rd2 Qf7 37.Qb6 Re7 38.e4 Rc7 39.h4 h5 40.Rd6 Re7 41.Kg3 Rc7?? (better 41...Rd7= is the best chance) 42.Rf6!!+- Deflection: f6 42...Qf6 43.Qc7 Kh6 (43...Kf8+- is no salvation) 44.Qc1 (better 44.Qb7 and White has prevailed 44...Qf4 45.Kh3+-) 44...Kh7 45.Qd2 (better 45.Qc5+-) 45...Qf8?? Black crumbles in face of a dire situation (better 45...Qe7+/-) 46.Qd7+- Kh6 (46...Kh8 is not much help 47.Qb7 Qf4 48.Kh3+-) 47.Qb7 Qf4 48.Kh3 Qc1 49.Qb4 g5 (49...Kh7+- the only chance to get some counterplay) 50.Qd6 (better 50.Qf8 and the rest is a matter of technique 50...Kh7 51.Qf5 Kh6 52.Qg5 Qg5 53.hg5 Kg5+-) 50...Kh7 (50...Kg7 a last effort to resist the inevitable 51.Qe5 Kf7 52.Qg5 Qh1 53.Kg3 Qe1 54.Kh2 Qa1+-) 51.Qe7 (51.Qe7 Kh8 52.Qe5 Kh7 53.Qe7 Kh8 54.Qf8 Kh7 55.Qf7 Kh6 56.hg5 Qg5 57.Qf8 Kh7 58.Qf5 Qg6 59.Kh4+-) 1-0. Ho In Hei,Henry (1795) - Pleasants,A (2090), 43rd Olympiad, 2018. (=1.Nf3 g6 2.b4 Bg7 3.d4 Nf6 4.e3 0-0 5.c4 d6 6.Bb2 c6 7.Be2 Nbd7 8.0-0)

8.d4 Ne4 9.Nbd2 Ndf6 10.Ne4 Ne4 11.Nd2 Nd2 12.Qd2 Bf5 13.Rfd1 d5 14.b5 cb5 15.cb5 Qd7 16.Rdc1 h5 17.Qa5 Rfc8 18.Bf1 b6 19.Qd2 h4 20.a4 h3 21.g3 Be4 22.f4 Rc1 23.Rc1 Rc8 24.Qe2 Bf5 25.Qd1 Qe6 26.Kf2 Rc1 27.Bc1 Bg4 28.Qc2 Bf8 29.Bd3 Qd6 30.Bd2 Kg7 31.Qb3 e6 32.a5 Qc7 33.ab6 ab6 34.Qc2 Qa7 35.Qb2 Qa4 36.Qc2 Qa1 37.Be1 Be7 38.Qb1 Qa3 39.Qc2 Bf6 40.Qc3 Qa2 41.Qc2 Qa1 42.Qc3 Qd1 43.Qd2 Qf3 44.Kg1 Be7 45.Qf2 Qd1 46.Qd2 Qa1 47.Qc3 Qa2 48.Qc2 Qa3 49.Qc3 Qa4 50.Kf2? Qd1–+ 51.Qd2?? Qf3 52.Kg1 Bf6 53.Qf2= Qd1 54.Qd2 Qa1 55.Qc3 Qa4 56.Qc2 Qa1 57.Qc3 Qa2 58.Qc2 Qa1 59.Qc3 Qd1 60.Qd2 Qa4 61.Qb4 Qa1 62.Qc3 Qa4 63.Qb4 Qa2 64.Qd2 Qa7 65.Kf2 Be7 66.Qc3 Bd6 67.Qb2 Qa4 68.Qc2 Qa3 69.Bd2 Bb4 70.Bb4 Qb4 71.Be2 Bf5 72.Bd3 Bd3 73.Qd3= Qb2 74.Qe2 Qc1 75.g4 f5 76.g5 Qh1 77.Kg3 Qg1 78.Kh3 Kh7 79.Kh4 Kg7 80.Kh3 ½–½. Beltran Garcia,R (2135) – Jimenez Martinez,Jo (2240), Badajoz ESP, Students Ch, 2013.

8.d4 e5 9.Nc3 ed4 10.Qd4 Qc7 (10...Ne5!?=) 11.Rfd1+/- d5? (better 11...Ne8 12.Qd2 a5+/-) 12.cd5+- Nd5?? (12...Qb6 13.dc6 bc6+-) 13.Qg7!! Kg7 14.Nd5 Qe5 15.Ne5 Ne5 16.Nc7 f6 17.Na8 Bf5 18.Nc7 1-0. Vendelo – Tucuman, internet, 2021.

8.d4 Ne8 9.Qb3 Nc7 10.Rd1 d5 11.Nbd2 Nb6 12.a4 dc4 13.Nc4 Be6 14.e4 Qc8 15.Nfe5 Ne8 16.Qe3 f6 17.Nb6 ab6 18.Nc4 Bc4 19.Bc4 Kh8 20.e5 Nc7 21.h3 Qd7 22.Qb3 e6 23.b5 f5 24.Ba3 Rfc8 25.Bd6 Nd5 26.Rdc1 Bf8 27.Bd5 cd5 28.Bf8 Rf8 29.Rc3 Rac8 30.Rac1 Rc3 31.Qc3 Kg7 32.Qc7 Qc7 33.Rc7 Rf7 34.Rc8 Rd7 35.Kf1 g5 36.Ke2 Kg6 37.Kd3 Kf7 38.Kc3 Ke7 39.Kb4 Rd8 40.Rc7 Rd7 41.Rc8 Rd8 42.Rc3 Kd7 43.a5 ba5 44.Ka5 Rc8 45.Rc8 Kc8 46.Kb6 Kb8 47.g3 g4 48.h4 Kc8 49.Kc5 Kc7 50.b6 Kd7 ½–½. Kreuzer – Preller, 1987.

9.a3 ab4 10.ab4 Ra1 11.Ba1 b6 (11...d5 12.Nbd2=) 12.Nc3 Bb7 13.Bb2 c5 14.Qb3 Qc7 (14...cd4 15.ed4 Nh5 16.d5+=) 15.Nb5 (15.Ra1 cd4 16.Nd4 Ra8+=) 15...Qb8 16.d5 (16.Ra1 d5+=) 16...Ba6 (16...e6 17.Rd1 ed5 18.cd5+=) 17.Nc3 (17.Qa4 Bb5 18.Qb5 e6+/–) 17...Ng4 (17...cb4 18.Qb4 Nc5 19.Nb5+=) 18.Ne4 (18.Ra1 Bc8+/–) 18...Bb2 19.Qb2 Nge5 20.Nfd2 f6 (20...f5 21.b5 Bb7 22.Ng5+/–) 21.f4 Nf7 22.b5 Bc8 23.Ng3 h5 24.Qc2 Nh8 25.Bd3 f5 26.Nf3 Nf6 27.e4 Ne4 28.Be4 fe4 29.Qe4 Qc7 30.Nh4 Kg7 31.f5 Rf6?! 32.fg6 Rf1 33.Kf1 Qd7 34.Nhf5 Kg6 35.Nd6 Kg7 36.Ngf5 Kf8 37.Qe5 ed6 38.Qh8 Kf7 39.Qg7 (39.Qg7 Ke8 40.Qg8) 1–0. pcmvr (2225) – pblanctranchant (2160), net–chess.com, 2006.

9.b5 cb5 10.cb5 b6 11.Nc3+=.

9.b5 cb5 10.cb5 b6 11.Nbd2 Bb7 12.Rc1 Rc8 13.Qa4 (13.Qb3 Rc1 14.Rc1 Qa8=) 13...Rc7 (13...Rc1 14.Rc1 Qb8 15.Qb3=) 14.Rc7 (14.h3 Rc1 15.Rc1 Qa8=) 14...Qc7= 15.Rc1 Qb8 16.Qb3 Rc8 17.Rc8 Qc8 18.a4 Bd5 19.Bc4 Bc4 20.Nc4 Ne4 21.Ncd2 (21.Nfd2 Nd2 22.Nd2 Nf6=) 21...Nd2 (21...Ndf6 22.Qc4 Qc4 23.Nc4=) 22.Nd2 e6 23.e4 Qc7 24.g3 Nf6 (24...Bh6 25.Qc4 Qc4 26.Nc4=) 25.Qc4+= Qd8 (25...Qb8 26.Qc6 d5 27.e5+=) 26.d5+/– ed5 (26...Ng4 27.Bg7 Kg7 28.h3 ed5 29.Qd5+–) 27.Bf6 (27.ed5?! Nd7 28.Bg7 Kg7+=) 27...Bf6 (27...Qf6 28.Qd5 Qd4 29.Nc4+/–) 28.Qd5 Bc3 29.Nc4 White prepares e5 29...Bb4 (better is 29...Qf6!? 30.Nd6 Qe6+/–) 30.e5 Qg5 (30...Bc5 31.Nd2+–) 31.Nb6 (worse is 31.Nd6 Qe7+–) 31...de5 (31...Kg7 32.ed6 Qd5 33.Nd5 Bd6 34.Nb6+–) 32.Nd7 Qc1 (32...Qe7 33.b6+–) 33.Kg2 Qc2 (33...Qg5 34.b6 Qf5 35.b7+–) 34.b6 e4 (34...Qf5+–) 35.b7 (35.b7 Qc7 36.b8Q Qb8 37.Nb8+–) 1–0. DEFFM – GuestCLTF, freechess.org, 2018.

9.b5 cb5 10.cb5 b6 11.Nbd2 Bb7 12.Re1 Rc8 13.a4 (13.Qb3 Bd5 14.Qd3 e5 15.de5 Nc5+=) 13...Nd5 14.Rc1 Nb4 15.Qb3 Bd5 16.Nc4 Nf6 (16...Be4 17.Ng5 Bb7 18.h3=) 17.Ba3+= Bf3? (better is 17...Ne4!?+=) 18.Bf3+– (18.gf3?! Nfd5=) 18...d5 19.Ne5 Ne8 (19...Ne4 20.Bb4 Be5 21.Be4 ab4 22.de5 de4 23.Qb4+–) 20.Bb4 ab4? (20...Rc1 21.Rc1 ab4 22.Nc6+–) 21.Bd5 (better is 21.Nc6 Qd6 22.Ne7 Qe7 23.Rc8 Bd4 24.Qd5+–) 21...Be5 22.Rc8 (22.de5 Rc1 23.Rc1 e6+–) 22...Qc8 (22...Bh2!? 23.Kh2 Qc8 24.Qb4 Qc7 25.Kg1 Nd6+/–) 23.de5+– Qc3 (better is 23...Qc5+–) 24.Qc3 bc3 25.Rc1 Ng7 (25...Nc7 26.Bf3+–) 26.Rc3 Rb8 27.g4 e6 (27...Ne6 28.Kg2+–) 28.Bc6 Rc8 (28...h5 29.h3+–) 29.Ra3 (better is 29.a5 ba5 30.b6 h5+–) 29...Ne8 30.Be8 (better is 30.a5 ba5 31.Ra5 Kf8+–) 30...Re8 31.a5 ba5 32.Ra5 Rb8 33.Kf1 Kg7 34.Ke2 Kh6 (34...h5 35.g5+–) 35.h4 Rb7 (35...Kg7 36.f4+–) 36.Kd3 Kg7 (36...g5 37.h5 Kg7 38.Kc4+–) 37.Kd4 Rd7 (37...g5 38.hg5 Rd7 39.Kc5+–) 38.Kc5 Rd2 (38...Rd5 39.Kc6 h5 40.Ra4+–) 39.b6 Rf2 (39...Rd5 40.Kb4 Rd8+–) 40.b7 Rb2 41.Rb5 Rc2 42.Kb6 Rc4 43.b8Q Rg4 44.Qd8 Rh4 45.Qh4 h5 (45...f5 46.ef6 Kf7 47.Qh6 e5 48.Qg7 Ke6 49.e4 h5 50.Qe7) 46.Rb1 (46.Qf6 Kg8 47.Kc5 Kh7 48.Rb8 h4 49.Rh8) 46...Kh6 (46...g5 47.Qg5 Kf8 48.Kc6 f5 49.Rb7 h4 50.Qd8) 47.Rg1 (47.Qf6 Kh7 48.Qf7 Kh6 49.Rh1 h4 50.Rh4 Kg5 51.Qf6) 47...Kg7 (47...Kh7 48.Qf6 Kg8 49.Rd1 h4 50.Rd8 Kh7 51.Rh8) 48.Qh5 Kf8 (48...Kg8 49.Qh6 f5 50.ef6 Kf7 51.Qg7 Ke8 52.Qe7) 49.Qh8 Ke7 50.Rc1 (50.Rc1 g5 51.Rc7) 1–0. peter1208 (1800) – catelio, gameknot.com, 2018. (=1.d4 d6 2.c4 g6 3.Nf3 Bg7 4.e3 Nf6 5.b4 c6 6.Bb2 0-0 7.Be2 Nbd7 8.0-0 a5)

9.b5 cb5 10.cb5 Nb6 11.Nbd2=.

9.b5 c5 10.Qc2 b6 11.Re1 Bb7 (11...cd4 12.ed4 Bb7 13.Nfd2=) 12.Nbd2 (12.d5 e6 13.e4 Re8+=) 12...Rb8 (12...cd4 13.ed4 Rc8 14.Nh4=) 13.d5+= e6 14.de6 fe6 15.Ng5 Qe7 16.Bf3 Bf3 17.Ndf3 e5 18.Rad1 Ng4? (better is 18...e4 19.Nd2 Rbe8=) 19.Qd2+/– h6 (better is 19...Ngf6!? 20.Qd6 Rbe8+–) 20.Qd5+– Kh8 21.Qd6 Qd6 22.Rd6 Ndf6 (22...hg5 23.Rd7 Rbe8 24.h3+–) 23.Ne6 Rfe8 (23...Ne4 24.Rd7 (24.Ng7?! Nd6 25.Ne6 Nc4 26.Nf8 Rf8+=) 24...Bf6 25.Nf8 Rf8 26.h3 Ngf2 27.Rf1+– (worse is 27.Be5 g5+–)) 24.e4 Nh5 (24...Re7+–) 25.h3 Ngf6 26.Ne5 Rb7 (26...Re6 27.Re6 Kh7 28.g3+–) 27.Ng7 Kg7 28.Nd7 (28.g4 Rbe7 29.Nd7 Kg8 30.Nf6 Nf6 31.Rf6 Re6+–) 28...Rd7 29.Rd7 Kg8 (29...Kf8 30.Bf6 Nf6 31.Rd6 Ne4 32.Rg6+–) 30.Rd6 Re4 31.Re4 (31.Bf6?! Re1 32.Kh2 Nf6 33.Rf6 Kg7 34.Rb6 Re4+–) 31...Ne4 32.Rg6 Kf7 33.Rb6 Nd2 (33...Nf4 34.Rh6 Ne6 35.Rh7 Ke8 36.b6+–) 34.Rh6 Nf4 (34...Nc4 35.Rh5 Ke7 36.Bg7+–) 35.b6 Nc4 36.b7 (36.b7 Ne3 37.b8Q Ne2 38.Kh1 Ng3 39.Qg3 Nf5 40.Rh7 Ng7 41.Rg7 Ke6 42.Qe5) 1–0. DEFFM – GuestXXRP, freechess.org, 2018.

9.b5 Qc7 10.Nbd2 e5 11.Rc1 c5 12.Qc2 h6 (12...cd4 13.ed4 b6 14.c5 bc5 15.de5 de5 16.Ng5=) 13.Rfd1 Re8 14.Bd3 Qd8 (14...ed4 15.ed4 cd4 16.Bd4+=) 15.Be4 (15.de5 Ne5 16.Ne5 de5+=) 15...Qe7 (15...ed4 16.ed4 cd4 17.Nd4=) 16.de5+= de5 (16...Ne5 17.Ne5 Ne4 18.Ne4+= (worse is 18.Qe4 de5 19.Ba3 Be6+=)) 17.Bd5 (17.Qc3 Nb6 18.Qa3 Ne4 19.Ne4 f5=) 17...Kh7 (17...e4 18.Ne1=) 18.Nf1 Ng8 (18...Nb6 19.e4=) 19.e4 Ngf6 20.Ng3 Rf8 21.Rd2 Ne8 22.Rcd1 Nb6 23.h3 Nc7 24.Ba1 f6 25.Bb2 Ne6 26.Re1 Nd4 27.Nd4 ed4= 28.Rde2 Nd7 29.f4+/– Re8 30.Bc1 Qd6 31.Qd2 Nf8 32.Rf1 Qd7?? 33.Ba3?? Qc7+/– 34.Bc1 Rb8 35.e5 f5+= ½–½. Solano Lopaz,R (2060) – Rodriguez,Adr (2150), San Jose CRI, Team Ch, 2012.

9.b5 Re8 10.a4 (10.Qd3 c5+=) 10...Qc7 11.Nbd2 e5 12.de5 (12.Rc1 c5+=) 12...de5 13.e4 Nh5 (13...cb5 14.cb5 Rd8 15.Rc1+=) 14.g3 (14.bc6 Qc6 15.Ng5=) 14...Nhf6 15.Qc2 (15.Rb1 Rd8=) 15...c5 (15...cb5 16.ab5 Nc5 17.Rfd1=) 16.Rfd1 b6 17.Re1 (17.Qc3 Bb7 18.Qe3 Rad8=) 17...Bb7= 18.Rad1 h6 19.Bf1 Rad8 20.Bg2 Nh7 21.Nf1 Nhf8 22.Ne3 Ne6 23.Nd5 Qb8 24.Qe2 (24.Bh3 Nd4 25.Bd4 ed4 (< 25...cd4 26.Bd7 Rd7 27.Nb6+/–) 26.Bd7 Rd7 27.Nb6 Rdd8+/–) 24...Bd5 25.cd5 Nd4 26.Nd4 ed4 27.Bc1 Nf6 28.Bf4+/– Qc8 29.Qf3 g5 30.Bc1 Nd7 31.Qg4 c4= 32.f4 Qc5 33.fg5 Ne5 34.Qh5 hg5 35.Bg5 d3 36.Kh1 c3 (37.Bd8 Rd8+–; 36...Rd6 37.Be3 Qb4=+). Del Val,Moise (1800) – Kleinsasser,Franz (1965), Liechtenstein op, 1996.

9.a4 a5 10.b5 c5 11.Nc3 e6 12.Nd2 b6 13.Bf3 Bb7 14.Bb7 Qb7 15.dc5 Nc5 16.Nb3 Nb3 17.Qb3 Rac8 18.Qd1 (18.Rfd1 Qc7 19.Rac1 Qc4 20.Qc4 Rc4 21.Rd6 Rfc8–/+) 18...Ra8 (better is 18...Rc4!? 19.Rc1 d5–/+) 19.Qb3 Rac8 20.Rac1 Nd7 21.Ba3 Nc5 22.Bc5 Rc5 23.Ne2 Rfc8 24.Rfd1 Qc7 25.g3 Be5 26.Qd3 Rc4 27.Rc4 Qc4 28.Qc4 Rc4 29.f4 Bb2 30.Rd6 Ra4 31.Rb6 Rb4 32.Kf2 Kg7 33.h3 e5 34.fe5 Be5 35.Kf3 Bb2 36.Nf4 Rb3 37.Nd5 (better is 37.Rb7!?=) 37...a4–/+ 38.Ra6 Rb5 39.Nc7 Rf5 40.Ke2 a3 41.Ne8 Kf8 42.Nd6 Rc5 43.Ra7 f5 44.e4 Be5 45.Nf7?! (45.Nb7 Rc7 46.ef5 gf5 47.Ra8 Kf7 48.Na5–+) 45...Rc7 (45...Bg3?! 46.Ng5 Rc3 47.Nh7 Ke8 48.Nf6 Kd8 49.Ra8 Kc7 50.ef5 gf5 51.Ra5–+; 45...fe4?! 46.Ne5 Re5 47.Ke3+=) 46.Ra3 Rf7 47.ef5 Rf5 48.Re3 Bd6 49.Rd3 Ke7 0–1. Enkhtuul,A (2120) – Huang Qian (2400), 16th Asian Games Team Women, 2010.

9.a4 a6 10.Nbd2 Qb6 (10...a5 11.ba5 Qa5 12.Nb3+=) 11.a5 Qc7 (11...Qb4? 12.Qc2 d5 13.c5 Nc5 14.Bc3+– (14.Qc5?! Qb2 15.Rfb1 Nd7 16.Qe7 Qc2=; 14.dc5?! Qg4+–)) 12.Bd3 e5 13.Re1 Rd8 14.Qb3 d5 (14...ed4 15.ed4 d5 16.c5+/–) 15.Ne5 Ne5 16.de5 Ng4 17.f4 Be6 18.h3 Nh6 19.Bd4 Bf5? (19...Qe7!?+/–) 20.cd5 (20.Bb6 dc4 21.Bc4 Qe7 22.Bd8 Rd8+–) 20...Bd3 (20...Rd5 21.Bc4 Rd7+–) 21.d6 (21.Qd3?! Rd5 22.e4 Rd7+–) 21...Qd7 22.Qd3 Nf5 23.Ne4 Re8 (23...Nd4 24.ed4 Qf5+–) 24.Bb6 f6 (24...Nd6 25.Rad1 Qe7 26.Nd6+–) 25.Nc5 Qf7 26.e6 Re6 27.Ne6 Qe6 28.d7 Nd6 29.d8R Rd8 30.Bd8 f5 31.Rad1 Nb5 (31...Bf8 32.Bg5 Kf7 33.Qd4+–) 32.e4 Qc8 (32...Bd4 33.Kh1 Kf8+–) 33.Qc4 Kh8 34.ef5 Qf5 (34...Na7 35.Re8 Bf8 36.Bf6) 35.Re8 Bf8 36.Rd7! Qd7 (36...Qd7 37.Bf6) 37.Bf6 Qg7 38.Rf8 1–0. Karl – Manteros, internet private, 2018.

9.Qb3 e5 10.Nc3 Re8 11.Rfd1 Nh5 12.de5 de5 13.c5 Nhf6 14.Ng5 Re7 15.Bc4 Nf8 16.Rd6 b5 17.Bf7 Rf7 18.Rad1 Bb7 (18...h6 19.Nf7 Qf7 20.Qf7 Kf7 21.Rc6+–) 19.f4 (19.Qf7?! Qf7 20.Nf7 Kf7=) 19...Ng4?? (19...Qe7 20.fe5 (worse is 20.Qf7 Qf7 21.Nf7 Kf7+/–; worse is 20.Nf7 Qf7 21.Qf7 Kf7+/–) 20...Ng4 21.Nce4+–) 20.Nce4 (better is 20.Rd7! Qd7 21.Rd7 Nd7 22.Qf7 Kh8 23.Qd7 Ne3 24.Qb7+–) 20...Bc8 21.h3 Nh6 22.fe5 (22.Be5 Be5 23.fe5 Qe7+/–) 22...Qe7 (22...a5!? 23.Nf7 Qf7 24.Nf6 Bf6 25.Rf6 Qb3 26.ab3 Be6 27.ba5 Bb3+/–) 23.Nf6+– Bf6 24.Rf6 Kg7?? 25.Rdf1 Be6 26.Ne6 Ne6 27.Re6 Qd7 28.Ref6 (28.Ref6 Rf6 29.Rf6+– (worse is 29.ef6 Kf8 30.f7 Nf7+–)) 1–0. Graf,Michael (1865) – Elkmann,Janek, Staufer op, 2009.

9.Nc3 a5 10.b5=.

9.Nc3 c5+=.

9.Nc3 Re8 10.Rc1 Nf8 11.Qb3 Be6 12.Rfd1 1–0. Cordova,E (2560) – Zorrilla Lavallade,O (2040), Puebla MEX, Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.d4 d6 7.Be2 Nbd7 8.0-0 Qc7)

9.Nbd2 Re8 10.Qb3 e5 11.c5 d5 (11...ed4 12.Bd4 dc5 13.bc5+=) 12.Ne5 (12.de5 Ng4+/–) 12...Ne5 13.de5 Nd7 (13...Ne4!? 14.Ne4 de4+=) 14.f4+/– f6 (14...a5 15.a3+/–) 15.e4+– fe5 (15...Kh8 16.ed5 cd5 17.Qd5 fe5 18.Ne4+–) 16.ed5 cd5 17.Qd5 Kh8 18.Nc4 (18.Ne4 ef4 19.Qf7 Bb2 20.Qe8 Kg7 21.Qe7 Kh8+–) 18...Nf6 (18...ef4 19.Bg7 Kg7 20.Qd4 Nf6 21.Rf4+–) 19.Qd6 (19.Qd6 Qe7 20.fe5+–) 1–0. GuestLQXW – GuestBYCY, freechess.org, 2018.

9.h3 e5 10.Nc3 a6 11.a4 e4 (11...a5!? 12.b5 Re8+=) 12.Nd2+/– d5 13.Qb3 White prepares the advance b5 (13.cd5 Nd5 14.Nde4 N7f6+/–) 13...Qd6 (13...dc4!? 14.Bc4 Nb6 15.Nde4 Ne4 16.Ne4 Nc4 17.Qc4 Be6+=) 14.b5+/– Re8 15.cd5 cd5 16.Ba3 Qe6 17.Rfc1 Rd8 (17...a5 18.b6 Qb6 19.Nb5+–) 18.Rab1 (18.a5 b6+/–) 18...a5 (18...b6 19.a5+/–) 19.b6 Nf8 (better is 19...Bf8!?+/–) 20.Nb5+– Ne8? (20...Rb8+–) 21.Nc7 Nc7 22.bc7 (22.Rc7?! Nd7+–) 22...Re8 23.Bb5 (23.Rc5!? Re7+–) 23...Nd7 24.Qc3 Bf8 25.Bf8 Rf8 26.Nb3 Qb6 (26...b6 27.Nd2+–) 27.Rc2 (better is 27.Bd7!? Bd7 28.Nc5 Qc6+–) 27...h5 28.Rcb2 Qa7?? (28...Nf6+–) 29.Bd7 Bd7 30.Nc5 Bc6 31.Nb7 (better is 31.Rb7 Bb7 32.Rb7 Rfc8+–) 31...Ba4 (31...Bd7 32.Nc5 Qc7 33.Rb7+–) 32.Nd6 (better is 32.Ra1 Qa6 33.Ra4 Qe6+–) 32...Bd7 33.Rb7 Qa6 34.R1b6 Qe2 (34...Qd3 35.Qc5 Rac8 36.Rb8+–) 35.Rb8 White intends c8 35...Kg7 (35...Kh7 36.Qc5 Be6 37.Ra8 Qe1 38.Kh2 Ra8 39.Nf7 Bf7+–) 36.Ra8 Ra8 37.Rb8 Ra6 (37...Qa6+–) 38.c8Q Bc8 (38...Be8 39.Qe8 Qd1 40.Kh2 Qh1 41.Kh1 Kh6 42.h4 g5 43.Qg8 Rd6 44.hg5) 39.Qc8 (39.Qc8 Qd1 40.Kh2 Qg1 41.Kg1 Kf6 42.Qe8 Kg5 43.Qe5 f5 44.Qe7 Kh6 45.Rh8; 39.Nc8 Qc4 40.Qc4 dc4+–; 39.Rc8?! Rd6 40.Qa5 Qa6+=) 1–0. Algaba Traspuesto,JM (1690) – Martos de la Vega,A (1950), Madrid ESP, 2014. (=1.d4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.Nf3 c6 6.c4 Nbd7 7.Be2 0-0 8.0-0 Qc7)

10.a4 a6 11.Qb3 h6 12.Rfd1 Ne8 13.b5 Kh7 14.Ba3 c5 15.Nd5 Qd8 16.Bb2 e4 17.Nd2 f5 18.dc5 Nc5 19.Qc2 a5 20.Nb3 Bb2 21.Qb2 Nb3 22.Qb3 b6 23.Rd2 Bb7 24.Nf4 Qe7 25.Rad1 g5 26.Nd5 Bd5 27.cd5 Rc8 28.Rc2 Rc5 29.Bh5 Nf6 30.Rc5 dc5 31.d6 Qd7 32.Be2 Re8 33.Bc4 Kg7 34.Bd5 Nd5 35.Qd5 Rc8 36.Qc6 Qd8? 37.d7 Rc6 38.bc6 Kf7 39.c7! (39.c7 Qc7 40.d8Q Qd8 41.Rd8+–) 1–0. Savchenko,Alek (2275) – Tkachuk,K (2180), Sparkassen Open A, Dortmund GER, 2010. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Be2 c6 7.0-0 Nbd7 8.c4)

10.Qb3 a5 11.b5 c5 12.de5 de5 13.Rfd1 Nb6 14.a4 (14.e4 a4 15.Qa3 Bg4+=) 14...Bf5 (14...e4 15.Nd2 Ng4 16.Nf1+= (16.Nce4?? Qh2 17.Kf1 Qh1; 16.Nde4?? Qh2 17.Kf1 Qh1)) 15.Rac1 (15.Nd5 Nfd5 16.cd5 Qd6=) 15...Rfe8 (15...Rfd8 16.Nd5 Nfd5 17.cd5= (< 17.Rd5 Nd5 18.cd5 Be4–+)) 16.Nd5 Nfd5 17.cd5 Nc8 (better is 17...Qd6!?+=) 18.Nd2+/– Nd6 19.b6 Qc8 20.Nc4 Nc4 21.Bc4 Re7 (21...Rd8!?+/–) 22.d6 Rd7 23.Bb5 Rd8 24.Qd5 Be6 25.Qc5 Qc5 26.Rc5 Bd7 (26...e4 27.Bg7 Kg7 28.Rc7+–) 27.Be5 Be5 28.Re5 Kf8 29.Kf1 f6 30.Rc5 Bb5 31.Rb5 Rd7 32.Ke2 Kf7 33.Rdd5 Ke6 34.Ra5 Ra5 35.Ra5 Rd6 36.Rb5 Rc6 37.Rb2 Rc4 38.Ra2 h5 39.a5 Rb4 40.a6 ba6 41.Ra6 Rb2 42.Kd3 Kd7 43.b7 Ke7 44.Ra7 Kd6 45.Kc3 Rb6?? 46.Ra6! (46...Ra6 47.b8Q Kc6 48.Qc8 Kb6 49.Qd8 Kc5 50.Qd4 Kb5 51.Qd3 Ka5 52.Qg6 Rc6 53.Kd4+–) 1–0. Kreuzer,Martin – Saemann, Landesliga Kirchheim, 1990.

10.Qb3 Re8 11.Rfd1 Nf8 (11...a5 12.a3+=) 12.Rac1 (12.a4 ed4 13.Rd4 Bg4+=) 12...e4 (12...ed4 13.Nd4 Bg4 14.Bg4 Ng4 15.a4+=) 13.Nd2 Qe7 14.Bf1 (14.Rb1 Bf5+=) 14...Bg4= 15.Re1 h5 (15...a5 16.b5=) 16.b5 (16.a4 a5+=) 16...N8h7 (16...N8d7 17.a4+=) 17.Qa4 Bd7 (17...c5 18.h3 Bf5 19.Nb3+=) 18.Ba3 (18.bc6 bc6 19.c5 d5+=) 18...Ng5 (18...c5!?=) 19.bc6+/– bc6 20.Qb4 (20.c5 d5+=) 20...Bf8 21.Rb1 Ng4 (21...Qe6 22.Be2+=) 22.h3 (22.Qb7 Nf6+/–) 22...Nf6 (22...a5 23.Qb6 Nf6 24.c5+/–) 23.Qa5 Bc8?? (better is 23...Bf5+/–) 24.Qg5+– Kh7 (24...Bf5 25.c5 d5 26.Qg3+–) 25.f4 (25.Rb3 Bg7+–) 25...Bh6 (25...Bg7 26.Rb2+–) 26.Qg3 (26.Qh4 Bf5+–) 26...Bf5 27.Rb3 (27.Qh4 Kg7+–) 27...Rg8 (27...Rab8 28.Reb1 Rb3 29.Rb3+–) 28.Qf2 (28.Reb1 Rad8+–) 28...Qe6 (28...Rab8 29.c5 d5 30.Bb4+–) 29.Rb7 (better is 29.Reb1 Rgc8+–) 29...g5 (29...Bg7+–) 30.d5! cd5 31.cd5 Qc8 (31...Nd5 32.Bc4 Nc3 33.Be6 Be6 34.Bb4 Na2 35.Ne4 Nb4 36.Rb4+–) 32.Rf7 Kg6 33.Rf6! Kf6 34.Nde4 (34.Nce4 Kg6 35.Nd6 Qf8+–) 34...Kg6 35.fg5 Bg5 36.Nd6 Qc3 (36...Qf8+–) 37.Qf5 Kh6 38.Nf7 (better is 38.Bd3 Qd3 39.Qd3 Rg6+–) 38...Kg7 39.Ng5 (39.Ng5 Qa3 40.Bd3 Qd3 41.Ne6 Kh6 42.Qd3 Rg6 43.e4 a5 44.Rc1 Rag8 45.Qd2 Kh7 46.Rc7 R8g7 47.Ng7 Rg7 48.d6 Rc7 49.dc7 Kg7 50.Qg5 Kf7 51.c8Q h4 52.Qcg8) 1–0. Giannatos,Peter (2280) – Shen,Christopher Y (2165), PRO League Atlantic, 2017. (=1.d4 d6 2.Nf3 g6 3.e3 Bg7 4.Be2 Nf6 5.0-0 0-0 6.b4 Nbd7 7.Bb2 c6 8.c4 Qc7 9.Nc3 e5)

10.b5 Re8= 11.Re1 Nf8 (11...ed4 12.Nd4 Nc5 13.h3=) 12.a4 (12.bc6 bc6 13.Ba3 ed4 14.Nd4 Rb8=) 12...a5 (12...Ne6!?=) 13.c5 ed4 14.ed4 (14.cd6 Qd6 15.Qd4 Qb4 16.bc6 bc6+=) 14...dc5= 15.dc5 Ne6 16.Ba3?? (16.Qd6 Nd7 17.Bc4 Qd6 (17...Ndc5? 18.Qc5 Nc5 19.Re8 Bf8 20.Ng5+–) 18.cd6 Nb6+=) 16...Nd7?? (16...Ng4 17.b6 Qf4–/+) 17.b6 (17.Ne4 Rd8 18.Qc1 cb5 19.ab5+=) 17...Qf4–/+ 18.g3 Qh6 19.Rc1 Nec5 20.Bc5? Nc5–/+ 21.Nb5 cb5 22.Rc5 ba4 23.Qa4= Bf5 24.Ra5 Rad8+= 25.Bf1 Re1–/+ 26.Ne1 Bc3 27.Rf5? gf5–+ 28.Nd3 Qd2 29.Nf4? Bd4–+ 30.Nd3 Bb6 31.Qb5 Rd3! 32.Qb6 Rd7 33.Qb5 Qd5 34.Qb1 Kg7 35.Bg2 Qd1 36.Qd1 Rd1 37.Bf1 b5 38.Kg2 b4 39.Be2 Rd2 40.Bc4 Rc2 41.Bb3 Rc3 42.Bd5 b3 43.h4 b2 44.Ba2 Rc1 45.Kf3 b1Q 46.Bb1 Rb1 47.Kf4 Kf6 48.f3 Rb4 49.Ke3 Ke5 50.f4 Kd5 51.Kd3 Rb3 52.Ke2 Rg3 53.Kf2 Rh3 54.Kg2 Rg3!? 55.Kg3?? h5–+ 56.Kf3 0–1. Enxtuul,Altanolzii (1975) – Berezina,Irina (2250), 1st WMSG Blitz Team w, 2008.

10.Rc1 Re8 11.a3 a5+=.

10.Rc1 Re8 11.Qc2=.

10.Rc1 Re8 11.d5 a5 (11...a6 12.e4+=) 12.dc6 (12.b5 Nc5+=) 12...bc6 13.b5 Bb7 (13...Nc5 14.Ba3=) 14.Nd2 (14.Qd2 Rad8+=) 14...Nb6 (14...Rad8 15.Nde4 Ne4 16.Ne4=) 15.Na4 (15.e4 Bh6+=) 15...Nfd7 (15...Red8 16.Bd3=) 16.Nb6 (16.Ne4 Red8+=) 16...Nb6 (worse is 16...Qb6 17.Ne4+/–) 17.Ne4 (17.e4 a4+=) 17...Red8 18.Nc3 a4 19.Rc2 (19.a3 f5=) 19...a3 (19...f5 20.Qd3=) 20.Bc1 cb5 21.Nb5 Qc6 (21...Qc5 22.Qd3+=) 22.e4 (22.f3 Bc8+=) 22...Ra4 Increasing the pressure on the isolated pawn on c4 (22...f5 23.Rd2 Bf8 24.c5 Qc5 25.Qb3 d5 26.Ba3+=) 23.Nc3 Rc4 (23...Raa8 24.Nd5 Nd5 25.cd5+/– (25.Qd5?! Qb6 26.Qd3 Qd4=)) 24.Bc4+/– Qc4 25.f3 (25.Re1 Qb4+/–) 25...Qd4 26.Rff2 (26.Kh1 Ba6 27.Ne2 Qa4+/–) 26...d5+= 27.Qf1 (27.Qe2 Qb4+=) 27...de4 (27...Bf8 28.Kh1+=) 28.fe4 Rc8 (better is 28...Be4!? 29.Ne4 Qe4 30.Ba3 f5+=) 29.Nb5+– Qe4 (29...Qd7 30.Rcd2 (30.Na3?! Be4 31.Rc8 Nc8+=) 30...Qc6 31.Ba3+–) 30.Nd6 Qc2?? (30...Qa4 31.Nc8 Bc8+–) 31.Rc2 (31.Rc2 Rf8 32.Nb7+–) 1–0. Epishin,Vladimir (2570) – Schroeder,Kevin (2300), 17. Bad Zwesten Op, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Be2 d6 6.0-0 Nbd7 7.c4 c6 8.d4 Qc7 9.Nc3 e5)

10.Rc1 h6 11.Qb3 1–0. Galoic,Boris (1995) – Srsan,Matija (1890), 2013. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.e3 d6 5.Be2 0-0 6.0-0 Nbd7 7.b4 c6 8.Bb2 Qc7 9.Nc3 e5)

10.Qc2 ed4 11.Nd4 a5+=.

10.Qc2 Re8 11.Rac1 Nf8 12.Rfd1 e4 13.Nd2 Bf5 14.Nf1 Qe7 15.Ng3 Bd7 16.d5 Rad8 17.dc6 bc6 18.Rd2 h5 19.h4 Bg4 20.Bg4 Ng4 21.Nce4 Bb2 22.Qb2 Qh4 23.Rcd1 Qh2 24.Kf1 h4 25.Rd6 Rd6 26.Nd6 Re3 27.Qd4 hg3 28.fe3 Qh1 29.Ke2 Qg2 30.Kd3 Nf2 31.Kc3 Nd1 32.Qd1 Qf3 33.Qf3 1–0. Schmitt,Larry – Becker,Jared, Boston, MA, 1998.

10.Qc2 Re8 11.Rfd1 Nf8 12.h3 Bf5 13.e4 Bc8 (13...ed4 14.ef5 dc3 15.Bc3+=) 14.d5 a5 15.c5?? (better is 15.dc6 bc6 16.b5+/–) 15...ab4–/+ 16.cd6 Qd6 17.Nb1 cd5 18.ed5 Bd7 19.a4 Ra5 20.Nbd2 Qc5 (better is 20...Nd5!? 21.Ne4 Qe6–/+) 21.Bc4= Qa7 (21...Bf5!? 22.Qc1 A) 22...Nd5? 23.Nb3 Nc3 24.Nc5 Rc5 25.Bf1+– (25.Bc3?! Rc4 26.Qb2 bc3 27.Qb7 Rec8+=); B) 22...Ne4 23.Ne4 Be4+=) 22.Ne5+= Ba4 (worse is 22...Nd5 23.Nd7 Nd7 24.Nb3 Bb2 25.Qb2+/–) 23.Ra4 Ra4 24.d6 Re5 (24...Ne6!?=) 25.Be5+/– N6d7 26.Bf7 (better is 26.Bg7!? Kg7 27.Qb2 f6 28.Bb5+=) 26...Kf7+= 27.Qb3 Ne6 28.Ne4 Be5 29.Ng5 Kf6 30.Ne4 Kf7 31.Ng5 Kf6 32.Ne4 Kf7 ½–½. Poley,Vladimir (2350) – Monsieux,Cyril (2305), St Lorrain, 2006. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6 7.0-0 Nbd7 8.c4 Qc7 9.Nc3 e5)

10.de5 de5 11.Qc2 Re8 12.e4 Nf8 13.Na4 Bg4 14.Ne1 Be2 15.Qe2 Ne6 16.Nd3 Nd4 17.Bd4 ed4 18.f3 Nd7 19.Qd2 b6 20.c5 b5 21.Nab2 h5 (21...Ne5!?=) 22.a4+= Kh7 23.ab5 cb5 24.Ra6 Nb8 25.Ra5 a6 26.Rfa1 Qb7 27.c6 (27.R5a2!?+/–) 27...Qc6 28.Nc5 Be5 29.Nbd3 Bc7 30.R5a3 Qd6 31.g3 h4 32.g4 f5 33.gf5 gf5 34.Qf2 Rg8 35.Kh1 h3 36.e5 (36.ef5?? Rg2 37.Qh4 Kg8–+) 36...Qh6 37.Qd4 Nc6? (better is 37...Bb6+/–) 38.Qd7+– Rg7 39.Qf5 Kg8 40.Qe6 (40.Ne6 Ne7 41.Qf6 Rg6 42.Qe7 Qd2+=) 40...Qe6 41.Ne6 Re7 42.Nc7 Rc7 43.Rc1 Rcc8 44.Rac3 Ne7 45.Rc8 Rc8 46.Rc8 Nc8 47.Nc5 Ne7 48.Na6 Nd5 49.Kg1 Kf7 50.Nc5 Nb4 51.Kf2 Nc6 52.f4+– Kg6 53.Ke3 b4 54.Ke4 Na5 55.f5 Kf7? 56.e6 Kf6 57.Nd7 Ke7 58.Kd5 (58.Kd5 Nb3 59.f6 Kd8 60.f7 Kc7 61.f8Q Kb7 62.Qb8 Ka6 63.Qb6) 1–0. Chtcherbine,Andrei (2265) – Truviano,Sebastian, Villa Ballester op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 Nbd7 7.0-0 c6 8.d4 Qc7 9.Nc3 e5)

10.a4 Re8 11.a5 e4 12.Ng5 h6 13.Nh3 Nf8 14.Nf4 g5 15.Nh5 Nh5 16.Bh5 Qe7 17.b5 Bf5 18.Bg4 Bh7 19.a6 cb5 20.cb5 ba6 21.Ra6 Reb8 22.Ba3 Rb6 23.Nc4 Ra6 24.ba6 Nd7 25.Nd6 Qd8 26.Qb3 Bg6 27.Be6 fe6= 28.Qe6 Kh7 29.f4 ef3! 30.Rf3 Nb6 31.Nf7? Qd7 32.Qd7 Nd7 33.Bd6 Rc8 34.Ne5 Ne5 35.de5 Rc6 36.h4 g4 37.Rf4 h5 38.Rd4 Ra6 39.g3 Bf5 40.e4 Be6 41.Rb4 Ra5 42.Rb7 Kg6 43.Kf2 Be5 44.Be5 Re5 45.Ke3 Ra5 46.Re7 Kf6 47.Rh7 Kg6 48.Re7 Kf6 49.Rc7?? Ke5–+ 50.Rh7 Ra3 51.Kd2 Ke4 52.Rh5 Bd5 53.Rg5 Be6 54.Rg6?? Bf5–+ 55.Rg7 Kf3 56.Rf7 Ke4 57.Re7?? Kf3 58.Rf7 (58.Rf7 Ra5 59.h5 Kg3 60.h6–+) 0–1. florenc1330 (1815) – brytan73 (1750), kurnik, 2011.

10.Qb3 Re8 11.Rac1 e4 12.Ne1 Nf8 13.g3 h5 14.Ng2 N8h7 15.Nf4 Bf5 16.Nd5?? (better is 16.a4=) 16...cd5–+ 17.cd5 Qd7 18.b5 Bg4 19.Bg4 Qg4 20.f3 (20.Rc7 Ng5 21.Ba3 Qh3–+) 20...ef3 21.Rf3 (21.Ba3–+) 21...Ng5 22.Rf4 (22.Rf6 Bf6 23.Rf1 Qe2–+) 22...Nh3 23.Kh1 Nf4 24.gf4 Ne4 25.Ne4 Re4 26.Re1 Rae8 27.Bc1 (27.Qd1–+) 27...Qf3 28.Kg1 Rf4! 29.Bd2 Rg4 0–1. ludice (1815) – pomidor55 (1810), kurnik, 2011.

10.Qb3 Re8 11.Rfd1 ed4 12.Nd4 Ne5 13.N2f3 Nf3 14.Nf3 Be6 15.Qc2 Bf5 16.Bd3 Bd3 17.Qd3 Rad8 18.Bf6 Bf6 19.Rac1 a6 20.g3 Qe7 21.a3 Qe6 22.Nd4 Bd4 23.Qd4 Qe5 24.Qe5 de5 25.Kf1 Kf8 26.Ke2 Ke7 27.e4 Rd1 28.Rd1 Rd8 29.Rd8 Kd8 30.c5 Ke7 31.Kd3 Kd7 32.Kc4 Ke6 33.f4 ef4 34.gf4 f6 35.Kd4 h6 36.h4 g5 37.f5 Ke7 38.hg5 fg5 39.e5+/– g4 40.Ke4 h5 41.Kf4 Kf7 42.a4 Ke7 43.Kg3 Kf7 44.Kh4 Ke7 45.a5 Kf7 46.Kg3 Ke7 47.Kh4 Kf7 48.Kg3 Ke7 49.Kh4 ½–½. bluepiramid2 (1720) – macskafan (1675), kurnik, 2011.

10.Nb3 b6 11.a4 e4 12.Nfd2 d5 13.Qc2 Qd6 14.b5 Re8 15.cd5 cd5 16.Ba3 Qe6 17.Rfc1 Nf8 18.Qc6 Bd7 19.Qe6 Be6 20.Rc7 Rec8 21.Rac1 Ne8 22.Rc8 Rc8 23.Rc8 Bc8 24.f3 f5 25.fe4 fe4 26.h3 Ne6 27.Bg4 Nf6 28.Be6 Be6 29.Bd6 Nd7 30.Nb1 Kf7 31.Nc3 Bf8 32.Bf8 Kf8 33.Na2 Ke7 34.Nb4 Nb8 35.h4 Kd6 36.Kf2 Bd7 37.Nc1 Be8 38.Ne2 Nd7 39.Nf4 Nf6 40.Kg3 Bd7 41.h5 g5–/+ 42.Ng6?? Nh5–+ 43.Kf2 hg6 44.g3 Nf6 45.Kg2 Ng4 46.Nc2 Kc7 47.Kf1 Nf6 48.Kf2 1–0. carocan (1795) – gert, kurnik, 2011.

10.Rc1 Nh5 11.Nb3 f5 12.de5 de5 13.Ng5 Ndf6 14.c5 Rd8 (14...Nd5 15.Bh5 gh5 16.b5+=) 15.Bc4 (better is 15.Be5!? Rd1 16.Bc4 Nd5 17.Bc7 Rc1 18.Bd5 cd5 19.Rc1+/–) 15...Nd5+= 16.e4 fe4 17.Ne4 Nhf4 18.Nd6 Be6 19.Bd5 Bd5 (worse is 19...Nd5 20.Re1 Nb4 21.Be5+=) 20.f3 Rf8 21.Re1?? Qe7?? 22.Qc2 Qg5 23.Rcd1 b6 24.Ne4= Be4 25.Re4 Rad8 26.Rde1 Nd3 27.Rf1 Nb2 28.Qb2 b5 29.Qe2 Rd7 30.Rd1 Rfd8 31.Rd7 Rd7 32.h3 Qd8 33.Kh2 Rd1? 34.Na5+/– Qd7 35.Re5?? Rd2 36.Qe4 Qc7 37.f4 Be5= 38.fe5 Rd5 39.Kg1 Re5 40.Qf3 Re1–+ 41.Kf2 Ra1 42.Qb3 Kf8 43.Qf3 Qf7 44.Qf7 Kf7 45.Nc6 Ra2 46.Kf3 a5 47.ba5 Rc2 48.Ne5? Ke6–+ 49.Nd3. ludice (1780) – szymon61, kurnik, 2011. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d6 6.Be2 Nbd7 7.Nf3 c6 8.0-0)

10.Qc2 a5 11.a3 b6+=.

10.de5 Ne5 11.Ne5 de5 12.c5 Be6 13.Bc4 Nd5 14.Bd5 cd5 15.Qc2 Rfc8 16.Rac1 f6 17.Rfd1 Bf8 18.a3 (18.Nb3 Rd8=) 18...a5+= 19.Nf3 (19.Qb3!?+=) 19...b6 20.Qb3 (20.e4 d4 21.Bd4 ed4 22.Nd4 Qf7–/+) 20...bc5 (20...ab4 21.e4 bc5 22.ed5–+) 21.bc5–/+ Rab8 22.Qa2 Bc5 23.e4 Qb6–+ 24.ed5 Bf2 25.Kh1 Bf7 26.Rc8 Rc8 27.Bc1 Rd8–+ 28.Qb2? Qb2 29.Bb2 Rd5 30.Rf1 Bc5 31.h4 Kg7 32.Kh2 Be6 33.Kg3 Bd6 34.Kf2 e4 35.Nd4 Bf7 36.Rd1 Bc5 37.Ke3 f5 38.Kf4 Bd6 39.Ke3 Bc5 40.Kf4 Bd6 41.Ke3 Bc5 ½–½. ludice (1740) – macskafan (1705), kurnik, 2011. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d6 6.Be2 Nbd7 7.Nf3 c6 8.0-0)

10.de5 Ne5 11.Ne5 de5 12.Nf3 Ng4 13.h3?? (better is 13.e4=) 13...e4–+ 14.hg4 Bb2 15.Rb1 (better is 15.Nd2!? Ba1 16.Qa1–/+) 15...ef3 16.Rb2 fe2 17.Qe2 Be6 18.f4 Qc8 19.f5 Bd7 20.e4 Qe8 21.Qe3 Qe5 22.f6 Kh8 23.Qh6 Rg8 24.Rb3 Bg4 25.Rf4 Qh5 26.Qh5 gh5 27.Kh2 Rg6 28.e5 Rag8 29.Rd3 Be6 30.c5 Rg2 31.Kh1 Bd5 32.Rd5–+ cd5 33.e6 fe6 34.f7 Rf8 35.Kg2 Kg7 36.b5 Rf7 37.Rf7?? Kf7 38.c6 bc6 39.bc6 Ke7 40.Kg3 Kd6 41.Kh4 Kc6 42.Kh5 d4 43.Kg4 d3 44.Kf3 e5 45.Ke3 e4! 46.a4 h5 (46...h5 47.Kf2 Kd5–+) 0–1. typ48 – jardaz, kurnik, 2012.

11.Qc2 Re8 12.c5 Nh5 13.Nc4 Nf8 14.Nd6 Re7 15.Bc4 Be6 16.Ne5 (better is 16.Be6!? Re6 17.g4+/–) 16...Be5= 17.Be5 Bc4 18.Nc4 Qc8?? (better is 18...Re5 19.Ne5 Qe5=) 19.Bd6 Re6 20.Qc3 Nd7 21.Rad1 Nhf6 22.Bg3 Nd5 23.Qb2 b6 24.Nd6 Qf8 25.e4 N5f6 26.e5 Nd5 27.Ne4 f5 28.Ng5+– Rae8? 29.Ne6 Re6 30.cb6 ab6? 31.f4 Nb8 32.a3 b5 33.Qb3 Nd7 34.Rd5 cd5 35.Qd5 (35.Qd5 Qf7 36.Qb5+–) 1–0. donaldzikzpo (1720) – qweri, kurnik, 2012.

11.Qb3 Re8 12.Rac1 c5 13.b5 b6 14.a4 Bb7 15.Rcd1 Ng4 16.h3 Nh6 17.Nb1 Rad8 18.Rd2 Nf6 (18...Bf6 19.Rfd1+=) 19.Rfd1 (better is 19.Be5!? Qe7 20.Rfd1+/–) 19...Rd2 20.Rd2 Ne4 21.Rd1 f6 22.Nc3 Nc3 23.Bc3 Rd8 24.Rd8 Qd8 25.Qd1 Qd1 26.Bd1 Nf7 27.Nd2 Nd6 28.a5 Kf7 29.a6 Bc8 30.Bf3 Be6 31.Be2 f5 32.f3 Bh6 33.Kf2 Bg7 34.g4 Ke7 35.Bb2 Kf7 36.Bc3 Kf8 37.Bb2 Kf7 38.Bc3 ½–½. ludice (1780) – mulder76 (1850), kurnik, 2011.

11.Qc2 b6 12.Ne4 Bb7 13.Nf6 Bf6 14.Rfd1 Bg7 15.Rac1 Rae8 (15...a5!? 16.ba5 Ra5=) 16.c5+/– b5 17.Rd2 Bc8 18.Rcd1 f5 19.Rd6 Nf6? (19...a6 20.a4+/–) 20.a4 (20.Ne5 Ne4 21.Qb3 Kh8+–) 20...a6? (20...Ne4 21.ab5 cb5 22.Qb3 Kh8 23.Bb5 Nd6 24.cd6 Qb7 25.Be8 Re8 26.Ne5 Re5 27.Be5 Be5+–) 21.ab5 ab5 22.h3?? Kh8?? 23.Nd2?? Nd5 24.Qb3 Be6 25.e4 Nf4 26.Qe3 Ne2 27.Qe2 fe4 28.Ne4 Bd5 29.f3 Rf7 30.Ng5 Rfe7 31.R6d5 cd5 32.Rd5 e4 33.Bg7 Kg7 34.fe4 Qf4+= 35.Nf3 Re4+= 36.Qb2 Qf6 37.Rd7 R8e7 (37...R8e7 38.Re7 Re7+=) 0–1. emeryt85 – vasek23, kurnik, 2011.

11.Qc2 c5 12.a3=.

11.Qc2 Re8 12.e4 Nh5 13.g3 Nf8 14.c5+= Bh3 15.Rfd1+/– Rad8 16.Ng5 Qc8 17.Nh3 Qh3 18.Nf3 Qc8 19.Bc4 h6 20.Rd8 Qd8 21.Rd1 Qe7 22.Qb3 Nh7 23.Rd6 g5 24.Qd3 Nf8 25.h4 Kh7? 26.Qb3 f6? 27.Bf7 Ng6 28.Be8 Qe8 29.g4 Nhf4 30.Qd1 Nh3 31.Kg2 Ngf4 32.Kf1 Qf7 33.Qc2 h5 34.gh5 Qh5+/– 35.Qd1 Qg4?? 36.Ke1 Qg2–/+ 37.Kd2 Qf2 38.Kc1 Qe3 39.Nd2–/+ Nf2 40.Qf1 N4d3 41.Kc2 Nb4 42.Kb1 Qc5 43.Nc4 b5 (43...Nbd3 44.hg5 Qc4 45.Qe2–+) ½–½. Cortes Lloveras,Enrique – Vizcarrondo Arpal,Josep, Sant Marti op 5th, 2003.

11.Ne5?? Ne5–+ 12.Nf3 Nf3 13.Bf3 Be6 14.Qc2 Rad8 15.Rad1 Rd1 16.Rd1 Rd8 17.Rd8 Qd8 18.a3 Qd7 19.c5 Bd5 20.Bd5 Nd5 21.Bg7 Kg7 22.h3 Qe6 23.Qd3 Qe5 24.g3 Qc3 25.Qe4 Qa3 26.Qe5 Kh6 27.e4 Qc1 28.Kg2 Qe1 29.h4 f6 30.Qd4 Qb4 31.Qd3 Qc5 32.ed5 Qd5 33.Qd5 cd5 0–1. emeryt85 – vasek23, kurnik, 2011.

9.Nc3 e5 10.a4 e4 11.Nd2 d5 12.Qb3 White intends b5 12...Nf8 13.Rfc1 Be6 14.b5 Rb8 15.a5 h5 (15...dc4 16.Bc4 N8d7 17.Qc2+=) 16.a6 (16.Ba3 cb5 17.Nb5 Qa5+/-) 16...ba6 (16...dc4!? 17.Bc4 cb5 18.Nb5 Qd7 19.Be6 Ne6+=) 17.Ra6+/- cb5 (17...dc4 18.Bc4 cb5 19.Be6 (worse 19.Nb5 Qd7 20.d5 Bd5 21.Bf6 Bc4 22.Qc4 Rec8=) 19...Re6 20.Ra7+/-) 18.cb5 (18.Nb5?! dc4 19.Bc4 Qd7=) 18...Rb7 19.Ba3 N8d7 20.Na4 Rc7 21.Nc5 Nb6 22.Ra1 Bf5 (22...Bc8 23.Ra5+/-) 23.Bb4+- Nc8 (23...Qb8 24.R6a3 Bc8 25.Qa2+-) 24.Nb1 (24.Ba5 Nb6 25.Rb6 ab6 26.Bb6 Bf8+-) 24...Bg4 25.Bf1 h4 26.h3 Bf5 27.Nc3 g5 (27...Be6 28.Ba5 Nb6 29.Rb6 ab6 30.Bb6+-) 28.Rf6! Bf6 (28...Qf6 29.Nd5 Double attack (29.Nd5 Decoy); 28...Bf6 29.Nd5 Decoy) 29.Qd5 (29.Nd5!? g4+-) 29...Bg6 30.Qd8 (30.N3e4 Kg7 (30...Qd5?? 31.Nf6 Kg7 32.Nd5+-) 31.Nf6 Qf6+-) 30...Bd8 (30...Rd8!? 31.N5e4 Be7 32.Be7 Ne7+/-) 31.Nd5+- f5 32.Nc7 Bc7 33.Bc4 (better 33.Rc1 Bb6 34.Nd7+-) 33...Kh7? (better 33...Bf7!? 34.Be2 Bd6+-) 34.Ra6 Bb6 35.Na4 (35.Ne6 g4+-) 35...Kh6 (35...Kg7 36.Bc5+-) 36.Nb6 ab6 37.Ra8 (37.Bc5 bc5 38.Bf7 Rd8 39.Bg6 cd4 40.Bf5 Kg7 41.ed4 Nd6 42.Ra7 Kf8+-) 37...f4 38.d5 (38.Bd5 Bf5+-) 38...f3 39.Rb8 fg2 40.d6 Bf5 41.Bd5 (41.Kg2!? g4+-) 41...Bh3 42.Bc6 Rd8 43.d7 (43.Be4 Kh5+-) 43...Bd7 (better 43...Rd7 44.Bd7 Bd7 45.Kg2 Kh5=) 44.Bd7+/- Rd7 45.Rc8 1-0. jhonores (2230) - lalocaJair (2395), Rated Blitz game, lichess.org, 2020.

9.Nc3 e5 10.b5 Qa5 11.a4 ed4 12.Nd4 (12.Qd4 Nd5 13.Qg7 Kg7 14.cd5 cd5 15.Nd5 Ne5=) 12...c5 13.Nb3 Qc7 14.a5 b6 15.Bf3 Rb8 16.Bc6 Bb7 17.ab6 ab6 18.Ra7 Re7 19.Qa1 Ne5 20.Nd5 Nd5 21.cd5 (21.Bd5!? Bf8 22.Qd1+/–) 21...f5 22.Nd2 Qd8 23.Qa2 Nd3 24.Bg7 Kg7 25.Nf3 h6 26.Ra1 Qf8 27.Qd2 Nb4 28.Nd4 Qf6 29.Ne6 Kh7 30.Nf4 Qg7 31.R1a4 Qf6 32.h3 Qe5 33.h4 g5 34.hg5 hg5 35.Nd3 (35.Ne6 Qf6+–) 35...Nd3+/– 36.Qd3 Kg7 37.g4 f4 38.ef4 gf4 39.Qf3 Rf7 40.Re4 Qg5 (40...Qb2 41.Kg2 Qc1 42.Rea4+/–) 41.Re6 (41.Kf1 Qf6+–) 41...Kg8 (better is 41...Bc6!? 42.Rf7 Kf7 43.bc6 Rg8+/–) 42.Rd6 Bc8 43.Rf7 Kf7 44.Bd7 Bd7 45.Rd7 Kg8 46.Qe2 Ra8 47.Qe6 Kh8 48.Rf7 Rg8? 49.f3 c4 50.Rf5 Qg6 51.Qe5 (51.Qe5 Rg7 52.d6+–) 1–0. Kaenel,Hansjuerg (2345) – Wagner,Anselm (2415), Bodensee–Cup 4th, 1998. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Be2 Nbd7 7.d4 c6 8.0-0 Re8)

9.Nbd2 e5 10.de5 Ne5 11.c5 Nd5 (11...Nf3 12.Bf3 d5 13.Nb3+=) 12.Ne5= de5 (worse is 12...Re5 13.Nc4 Re4 14.Bg7 Kg7 15.Qc2+–) 13.Nc4 Bf5 (13...Qg5!? 14.Nd6 Re7=) 14.Nd6+= Re7?? (better is 14...Qg5+=) 15.e4+– Be4 16.Ne4 Nb4 17.Qb3 Nd5 18.Rad1 Kh8 (18...Qc7 19.Bc4+–) 19.Bc4 f5 (19...Qc7 20.Bd5 cd5 21.Rd5+–) 20.Nd6 (20.Bd5 cd5 21.Rd5 Qc7+–) 20...Qf8 (20...Qc7 21.Bd5 cd5 22.Rd5+–) 21.Bd5 (21.Nb7?! Rb8 22.Ba6 Nc7=) 21...cd5 22.Rd5 b6 (22...e4 23.Nb7 Bb2 24.Qb2 Qg7 25.Qg7 Kg7 26.c6+–) 23.c6 Rc7 (23...Qb8 24.Rfd1 Qc7 25.Qc2+–) 24.Rc1 Rd8 (24...Bf6+–) 25.Nf7! Rf7 (25...Rf7 26.Rd8 Decoy; 25...Qf7 26.Rd8 Discovered attack (26.Rd8 Deflection)) 26.Rd8 Qd8 (26...Kg8 27.c7 Bh6 28.c8Q Bg7 29.Rf8 Bf8 30.Rc7 Kg7 31.Be5 Kh6 32.Qh3 Kg5 33.f4) 27.Qf7 Qc8 (27...Qf6 28.Qf6 Bf6 29.c7 Kg7 30.c8Q Kh6 31.Qf8 Bg7 32.Qe7 Kh5 33.Rc3 f4 34.Rh3 Kg4 35.Qe6 Kg5 36.Rg3 fg3 37.Bc1 Kh5 38.Qh3) 28.c7 Bf8 (28...h5 29.Rc6 Qg8 30.c8Q Qc8 31.Rc8 Kh7 32.Rc7 Kh6 33.h4 a6 34.Qg7) 29.Be5 (29.Be5 Bg7 30.Qg7) 1–0. Leonco – Reevu, internet corr, 2018.

8.d4 Nbd7 9.Nbd2 Nb6 10.Qb3 a6 11.a4 Nbd7 12.Rac1 c5 (12...a5 13.b5+=) 13.b5 (13.Nh4 Ne4 14.Rc2 Qb6 15.Nf5 gf5 16.bc5 dc5+/-) 13...a5 (13...e6 14.Rfd1=) 14.Rfd1 b6 15.Bd3 Bd3 16.Qd3 Qc7 17.Qb1 Rfe8 18.d5 Nh5 19.Bg7 Ng7 20.Qb2 Nf5 21.Ne4 Ne5 22.Ne5 de5 23.Ng5 h6 24.Nf3 f6 25.g4 (25.Qe2!?+/-) 25...Nd6= 26.h4 Qd7 27.Nh2 Kg7 28.f3 h5 29.Rf1 Rh8 30.f4 (30.Qf2=) 30...hg4 (better 30...e4 31.g5 Qh3-/+) 31.fe5+= Nf5 32.ef6 (32.Ng4!? Raf8 33.Rcd1+=) 32...ef6= 33.Ng4 Raf8 34.e4 Nd4 35.Qg2 Rh4 36.Ne3 (better 36.Rf4 Qe7 37.Rcf1=) 36...Re4?? (better 36...Rh5 37.Nf5 Nf5 38.Rf5 Rf5 39.ef5 Qf5=+) 37.Rcd1?? (better 37.Qe4 Ne2 38.Kg2 Nc1 39.Rc1+-) 37...Re3-+ 38.Rd4 (38.Rf2 Re5 39.Rd4 cd4-+) 38...cd4 39.Qf2 (39.Rf4 Re1 40.Rf1 Rf1 41.Qf1 Qg4 42.Qg2 Qg5-+) 39...Qf5! 40.Qf5 gf5 41.Rf5 (41.Rd1 Rc8 42.Rd4 Re4-+) 41...d3 42.Rf2 d2! 43.Rg2 (43.Rd2 Ra3 Combination) 43...Kf7 44.Rd2 Rg8 45.Rg2 (45.Kf2 Re4 46.Rd1 Rc4-+) 45...Rge8 (better 45...Rg2 46.Kg2 Rc3 47.c5 Rc5 48.Kf3-+) 46.Rg6 (46.Rc2-+) 46…Kg6 (46...Kg6 47.d6 Re1 48.Kh2 Kg5 49.d7 R8e2 50.Kg3 Re3 51.Kf2 Kg4 52.d8Q R3e2) 0-1. Some_Bloke (2180) - almasssss (2275), Rated Bullet game, lichess.org, 2022.

8.Nd4 Bb1 (8...Bd7 9.Nc2=) 9.Rb1+= a5 10.b5 c5 11.Nf3 e5 12.Qc2 b6 13.Ng5 h6 14.Ne4 Ne4 15.Qe4 Nd7 16.Bf3 Nf6 (better is 16...Qe7!?+/–) 17.Qa8+– Qa8 18.Ba8 Ra8 19.f3 Nd7 20.Kf2 f5 21.Kg3 (21.d3 Kf7+–) 21...Kf7 22.d3 g5 Black prepares the advance f4 23.Rh1 Re8 24.h4 Kg6 25.hg5 hg5 26.Rbd1 f4 27.Kf2 fe3 28.Ke3 Rf8 29.Bc3 Rf4 30.Ke2 g4 31.Bd2 g3? (better is 31...gf3 32.gf3 Rf7+–) 32.Bf4 ef4 33.Rh3 Be5 34.Rdh1 Nf6 35.Kd2 Kf5 (35...d5 36.Re1 Kf5 37.cd5+–) 36.Rh8 a4 (36...d5 37.cd5 Kg5 38.Rc8+–) 37.Rb8 Nd7 38.Rb7 Ke6 39.Rh6 Bf6 (39...Nf6 40.Rb6 Kf5 41.Ra6+–) 40.Rd7! Kd7 41.Rf6 1–0. DEFFM – GuestDPXY, freechess.org, 2018.

8.d3 Nbd7 9.Qb3 Qc7 10.Nbd2 e5 11.h3 Bf3 12.Bf3 Ne8 13.Rac1 Kh8 14.b5 Nc5 15.Qa3 f5 16.bc6 bc6 17.d4 Nd7 18.de5 Ne5 19.Be2 Rb8 20.Bc3 Nf6 21.Rfd1 Nf7 22.Nf3 Ne4= 23.Bg7 Kg7 24.Nd4 Rfe8 25.Bf1 Nc5 26.Nb3 Nb3 27.ab3 Qb6 28.Rd3 Qc5 29.Qa1 Kg8= 30.h4 Ne5+= 31.Rdc3 Re7 32.Be2 Reb7 33.Qa2 Rb4 34.Rd1 a5 35.f4 Nf7 36.Bf3 Qb6 37.c5 dc5+= 38.Rdd3 Rb7 39.Kh2 Ra7 40.Qc2 Rb7 41.Rc5+/– Rb3? 42.Rc6+– Qb5 43.Rb3 Qb3 44.Rc8 Kg7 45.Bb7 Qb7 46.Qc3 Kh6 47.Rc7 Qd5 48.Qf6 (48.Qf6 Qd8 49.Re7+– (49.Qf7?! Qh4 50.Kg1 Qe1 51.Kh2 Qh4 52.Kg1 Qe1 53.Kh2 Qh4=)) 1–0. Yatsenko,A (2265) – Zebisch,P (1950), Arctic Cup u16, Salekhard RUS, 2003. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 c6 7.0-0)

8.d4 Qb6 9.Qb3+=.

8.d4 Qc8 9.Nc3 (9.Nbd2 c5+=) 9...Na6 (9...c5 10.a3+=) 10.b5 Nc7 11.a4 (11.h3 Bf5+=) 11...c5 (11...Qe6 12.Rc1+=) 12.Qd2 (12.a5 cd4 13.ed4 d5+=) 12...b6 (12...cd4 13.ed4 d5 14.c5+=) 13.a5+/– Qd7 14.Rfd1 Bf3 (14...Rfb8 15.e4+/–) 15.Bf3 (15.gf3?! cd4 16.Qd4 Ne6=) 15...Rab8 (15...cd4 16.Na4 (16.Ba8 dc3 17.Qc3 Ra8–/+) 16...de3 17.Qe3 ba5 18.Ba8 Ra8 19.Nc3+/–) 16.ab6+– ab6 17.dc5 (17.Ra7 cd4 18.ed4 Qd8+–) 17...bc5+/– 18.Ra7 Rfd8 (better is 18...Rfc8!?+/–) 19.Na4+– Nfe8? (19...Qc8 20.Qa5 Nce8 21.Re7 Rd7 22.Bf6 Nf6 23.Rd7 Qd7 24.Nc5 Qe7+–) 20.Bg7 Kg7 21.b6 Rb6 (21...Rdc8+–) 22.Nb6 Qf5 23.Rb7 g5 24.Qa5 g4 25.Bc6 Qc2 26.Qa1 (26.Ra1!? e6+–) 26...Kf8 (26...e5+–) 27.Qh8 1–0. DEFFM – Lookoutjoe, freechess.org, 2018.

8.d4 Nbd7 9.a4 Qc7 10.a5 e5 11.Nc3 Rad8 12.h3 Bf3 13.Bf3 a6 14.Qa4 Ne8 15.Rfd1 f5 16.b5 e4 17.Be2 Nef6 18.ba6 ba6 19.Ba3 c5 20.Rac1 Rb8 21.Nd5 Qb7 22.dc5 Nc5 23.Bc5 dc5 24.Nf6 Bf6 25.Rd6 Bd8 26.Rcd1 Rc8 27.Qa1 Qa8 28.Qe5 Bc7 29.Qe6 Kh8 30.Rd7 Rce8 31.Re7 Qc8 32.Rdd7 Re7 33.Qe7 1–0. Vaglio,Jaime – Ramirez Alvarez,Alejandr, Costa Rica, 2001.

8.d4 Nbd7 9.a4 Qc7 10.h3 Bf3 11.Bf3 (worse is 11.gf3 c5+=) 11...Rfe8 12.Qb3 e5 13.b5 e4 14.Be2 d5 15.Nc3 dc4 16.Bc4 Rf8 17.Rfc1 c5 18.Ba3 b6 19.Nd5 Nd5 20.Bd5 Rac8 21.Be4 c4 22.Qc2 Rfe8 23.Bc6 Re6 24.Qc4 Nf6 25.d5 Re4 26.Qc2 Qe5 27.Bb2 Qf5 28.d6 Re6 29.Qf5 gf5 30.Bf6 Bf6 31.d7 Rd8 32.a5 Ba1 33.Ra1 Rd6 34.ab6 ab6 35.Ra7 Kg7 36.Rb7 h5 37.Rb6 R8d7 38.Bd7 Rb6 39.Bc6 Kf6 40.Kh2 h4 41.g4 fg4 42.hg4 Kg5? 43.Kh3+– f5? 44.f4 Kf6 45.g5 Kg6 46.Kh4 Rb8 47.Kg3 Rh8 48.b6 Rb8 49.b7 Kf7 50.e4 fe4 51.Be4 Ke6 52.Kg4 Kd6 53.f5 Re8 54.Kf4 Kc7 55.g6 Rf8 56.Kg5 Kd6 57.f6 Ke5 58.g7 Rd8 59.f7 Ke4 60.f8Q Rd5 61.Kg4 Kd4 62.g8Q (62.g8Q Ra5 63.Qf4 Kc3 64.Qgc4 Kb2 65.Qfc1) 1–0. carocan (1740) – feniksi (1725), kurnik, 2011.

8.d4 Ne4 9.a4 a6 10.Nbd2 Nd2 11.Qd2 Nd7 12.h3 Bf3 13.Bf3 e5 14.d5 (14.a5 Qh4+=) 14...c5 15.b5 ab5 16.ab5 Nb6 (16...Qh4 17.e4+=) 17.Qc2 (17.Ra8 Qa8 18.Ra1 Qd8+=) 17...Ra1 18.Ra1 Qh4 19.Be2 h5 (19...e4 20.Ra7 Bb2 21.Qb2+=) 20.Ra7+/– Qe7 21.Bc3 Ra8 22.Qa2 Qe8 23.Qa5 Ra7 24.Qa7+– Nd7 25.Qb7 Bf8 26.Ba5 Qb8?? 27.Qb8 Nb8 28.Bc7 Nd7 29.b6 Nb6 30.Bb6 Kg7 31.e4 Kf6 32.g4 hg4 33.hg4 Kg5 34.Kg2 Kf4 35.Bf3 f5 36.gf5 gf5 37.ef5 e4 38.Be2 Kf5 39.Kg3 Bg7 40.Bc7 Be5 41.Kg2 Kf4 42.Bd8 Kf5 43.Kf1 Kf4 44.Ke1 Kf5 45.Bh4 Kf4 46.Bg3 Kf5 47.Be5 Ke5 48.Kd2 Kd4 49.Bf1 Ke5 50.Ke3 Kf5 51.Bg2 Ke5 52.Be4 Kf6 53.f4 Ke7 54.Bf5 Kf6 55.Ke4 Kf7 56.Be6 Kf6 57.Bg8 Kg7 58.Kf5 Kg8 59.Ke6 Kg7 60.f5 Kf8 61.f6 Ke8 62.Kd6 Kf7 63.Kc7 Kf6+– 64.d6 Ke5 65.d7 Kd4 66.d8Q Kc4 67.Kb6 Kb4 68.Qd6 Kb3 69.Qc5 Ka4 70.Qc2 Ka3 71.Qb1 Ka4 72.Kc5 Ka3 73.Kc4 Ka4 74.Qb4# 1–0. orangutanb4 (1945) – majaci (1780), kurnik, 2011.

8.d4 Bf3 9.Bf3 (worse is 9.gf3 c5=) 9...Nbd7 10.a4 Qc7 11.a5 d5 12.Nd2 e5 13.de5 Ne5 14.cd5 Nd5 15.Bd5 cd5 16.Rc1 Qe7 17.Be5 Be5 18.Nf3 Rfd8 19.Ne5 Qe5 20.g3 (20.Qd3 Rac8+=) 20...d4= 21.Rc5 Qe4 Black prepares d3 (21...Qf6 22.Rc7=) 22.Qb3 (22.Rc4 Rac8 23.Rd4 Rd4 24.Qd4 Qd4 25.ed4 Rc4+=) 22...d3 23.Rd1 Rd7 (23...b6!? 24.Rc3 d2+=) 24.Rc4+/– Qd5 25.Qc3 Rad8 26.Rd4 Qb5 27.Rd7 (better is 27.R1d3! Rd4 28.Rd4+–) 27...Qd7 28.Kf1 Qd5 29.Kg1 Qb5 30.Qc7 ½–½. Ladeira,Paulo – Martin Sevillano,Koldo, IECC, 2013.

8.h3 Bf3 9.gf3 a5+=.

8.b5 Nbd7 9.0-0 cb5 10.cb5 Nb6 11.Nbd2 Bf5 12.Nc4 Nc4 13.Bc4 a4 14.d5 Bg4 15.Rc1 Bf3 16.Qf3 Nd7 17.Bg7 Kg7 18.e4 Qa5 19.Qa3 Rfc8 20.Be2 Rc1 21.Rc1 Qd2 22.Qc3 Qc3 23.Rc3 Nc5 24.e5 b6 25.Re3 de5 26.Re5 Kf6 27.f4 h6 28.g4 Rd8 29.h4 e6 30.Bc4 ed5 31.g5 hg5–/+ 32.hg5 Kg7 33.Rd5 Rd5 34.Bd5 Nd3 35.f5 gf5 36.a3 f6 37.gf6 Kf6 38.Kf1 Ke5 39.Bf3 Kd4 40.Ke2 Ne5 41.Bc6 Nc4 0–1. Thal,Olaf – Gruenberg,Hans Ulrich, DDR–ch, 1975. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6)

8.b5 Bd7 9.a4 cb5 10.ab5 b6 11.0-0 Bf5 12.Nbd2 Ne4 13.Nh4 Nd2 14.Qd2 Be4 15.Bf3 Bf3 16.Nf3 Nd7 17.Rfc1 Rc8 18.c5 dc5+= 19.dc5 Nc5 20.Qd8 Rfd8 21.Bg7 Kg7 22.Nd4 e5 23.Nc6 Re8 24.Rab1 f6 25.g3 Rc7 26.Kg2 Rd7 27.h4 e4 28.Nd4 Rd6 29.g4 Red8 30.Rc4 h5 31.g5? fg5–+ 0–1. nizinna – 7seven (1635), kurnik, 2011.

8.bc5 dc5 9.0-0=.

8.bc5 dc5 9.d5 e6 10.de6 fe6 11.0-0 Qc7 12.Nbd2 Ng4 13.h3 (better is 13.Bg7 Kg7 14.Qb3+=) 13...Ne3 14.fe3 Bc3?? (better is 14...Bb2 15.Rb1 Bg7–/+) 15.Bc3+– Nc6 16.Ne4 e5 (16...Qe7 17.Ne5 Nb4 18.Ng4+–) 17.Qd5 Kh8 (17...Qf7+–) 18.Ne5 Kg7 1–0. Fournier,Frederic – am444, Active, 2005.

8.0-0 c5+=.

8.Nc3 c5 9.bc5 dc5 10.0-0=.

8.Nc3 Qc7 9.Qb3 b6 10.Rc1 Bb7 11.0-0 Rac8 12.Rfd1 Qb8 13.a3 h6 14.Rd2 Qa8 15.Rcd1 c5+= 16.d5 Ne8 17.b5 f5 18.Qc2 Ne5 19.Ne1 Rc7 20.f4 Nf7 21.Bd3 Nh8 22.Nf3+/– e5 23.fe5 de5 24.e4 f4 25.Ne2 Nf7 26.Rf1 Qd8 27.Qc1 g5 28.Qe1 Bf6 29.g4 Bc8 30.h3 h5 31.Nh2 Nh6 32.Kg2 hg4= 33.hg4 Ng4=+ 34.Ng4 Bg4 35.Ng1 Rh7–/+ 36.Be2 Bc8 37.Qd1 g4! 38.Rd3 Nd6 39.Rf4 ef4 40.e5 f3 41.Bf3 gf3 42.Nf3 Bh3 43.Kf2 Bh4 44.Ke2 Nc4 45.Qb3 Na5 46.Qc3 Bg4 47.d6 Bg3 48.Kd2 Bf4 49.Kc2 Bf5 50.e6 Qd6 51.a4 Qd3 (52.Qd3 Nc4 53.Qf5 Ne3 54.Kd3 c4 55.Ke4 Nf5 56.Kf4 Nd4 57.Ke3 Nf3–+; better is 51...c4 52.Ba3 Qd3 53.Qd3 cd3 54.Kb2–+) 0–1. Behnicke,Eckhard – Blum,Rainer, Ruhrgebiet VK3–chT, 1995.

8.Nbd2 Qb6 9.Qb3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qc7 13.0-0 Nb6 14.Bc3 Bf5 15.Ra1 Ra8 16.Ra8 Na8 17.Qa3 Nb6 18.Qa5 h6 19.Nh4 Bc8 20.e4 Ne8 21.Nhf3+/– Nd7 22.Qa1 b6+= 23.Nf1 Qb7 24.d5 c5 25.Bg7+/– Ng7 26.b5 Qc7 27.Ne3 Kh7 28.Ne1 Nf6 29.Bd3 Ngh5 30.g3 e5 31.de6 Be6 32.Qa8 Ng7 33.N1g2 Bc8 34.Qa1 Qe7+= 35.f3 Ne6= 36.e5 de5 37.Qe5 Qd8 38.Nd5 Nd5 39.Qd5 Qd5 40.cd5 Nd4 41.Kf2 Bd7 42.Ne3 Kg7 43.d6 Be6 44.Be4?? Nb5–+ 45.d7 Bd7 46.Nc4 Be6 47.Nb6 Kf6 48.f4 Ke7 49.Bd3 Nd4–+ 50.Ke3 Kd6 51.Nc4 Bc4 52.Bc4 Ne6 53.h4 h5 54.Ke4 f5 55.Ke3 Ke7 56.Bd5 Nc7 57.Bc4 Ne8 58.Bb3 Nd6 59.Bc2 Ke6 60.Kd3 Kd5–+ (61.Ke3 Ne4–+) 0–1. Kliman,Daniel – Izquierdo,Daniel (2270), ch–URU Montevideo URU, 2003.

8.Nbd2 c5 9.bc5 dc5 10.0-0=.