• (...)
  • 6.0-0 Nd5
  • 6.0-0 Bf5
  • 6.0-0 Bg4
  • 6.c4
  • 6.d3 a5
  • 6.d3 a6
  • 6.d3 c5
  • 6.d3 Nc6
  • 6.d3 Bd7
  • 6.d3 Bg4
  • 6.d4 a5
  • 6.d4 a6
  • 6.d4 Nc6
  • 6.d4 Ne4

• 6.0-0 a5
  • 7.a3 c6
  • 7.b5 a4
  • 7.b5 Nbd7
  • 7.b5 e5

• 6.0-0 a6
  • 7.c4 Nc6
  • 7.d3 Nc6

• 6.0-0 Na6
  • 7.a3 c5
  • 7.b5 Nc5

• 6.0-0 c5
  • 7.b5 a6
  • 7.bc5 dc5
    • 8.c4 Nc6

• 6.0-0 c6
  • 7.a3 e5
  • 7.a3 Bg4
  • 7.a4 e5
  • 7.c4 Na6
  • 7.c4 Qb6
    • 8.Qb3 Na6
  • 7.c4 Bd7
  • 7.c4 Nbd7
  • 7.c4 Bg4
  • 7.d3 a5
  • 7.d3 b5
  • 7.d3 Qb6
  • 7.d3 Nbd7

• 6.0-0 Nc6
  • 7.a3 e5
  • 7.b5 Na5
  • 7.b5 Ne5
  • 7.d3 Nb4–/+

• 6.0-0 d5

• 6.0-0 Nbd7
  • 7.a3 c5
  • 7.c4 a5
    • 8.a3 e5
  • 7.c4 a6
  • 7.c4 Rb8
  • 7.c4 c5
  • 7.c4 c6
    • 8.d3 e5
  • 7.d3 c5
  • 7.d3 c6

• 6.0-0 e5
  • 7.a4 c6
  • 7.a4 Nc6
  • 7.a4 Nbd7
  • 7.a4 Bg4
  • 7.d3 a5
    • 8.b5 a4
    • 8.b5 Nbd7
      • 9.a4 Nc5
  • 7.d3 a6
  • 7.d3 Na6
  • 7.d3 c6
    • 8.c4 a5
    • 8.c4 Na6
    • 8.c4 Qb6
    • 8.c4 Qc7
    • 8.c4 Bd7
    • 8.c4 Nbd7
      • 9.Qb3 Re8
        • 10.Nc3 Nf8
      • 9.Qc2 Re8
      • 9.Nc3 Nb6
      • 9.Nbd2 Qe7
      • 9.Nbd2 Re8
    • 8.c4 Be6
    • 8.c4 Re8
      • 9.Nbd2 Nbd7
      • 9.Nbd2 Nh5
    • 8.c4 Bg4
    • 8.c4 Nh5
      • 9.Qc2 Qe7
    • 8.c4 h6
      • 9.Nbd2 Be6
    • 8.Nbd2 Na6
    • 8.Nbd2 Nbd7
    • 8.Nbd2 Re8
    • 8.Nbd2 h6
  • 7.d3 Nc6?!
    • 8.a3 Nh5
      • 9.e4 f5
    • 8.b5 Ne7
      • 9.c4 a6
        • 10.a4 ab5
          • 11.ab5 Ra1
      • 9.c4 c6
      • 9.c4 Bd7?!
      • 9.c4 Nd7
        • 10.Nc3 f5
      • 9.c4 Ne8
      • 9.c4 Nh5
        • 10.Qb3 Kh8
      • 9.c4 h6
        • 10.Nc3 Be6
        • 10.Nbd2 Be6
    • 8.Nbd2 Nb4–/+
  • 7.d3 Nbd7
    • 8.c4 a5
    • 8.Nbd2 a5
    • 8.Nbd2 Rb8
    • 8.Nbd2 c6
    • 8.Nbd2 Re8
      • 9.c4 c6
  • 7.d3 Nfd7
  • 7.d3 Be6
  • 7.d3 Re8
  • 7.d3 Ne8
  • 7.d3 Bg4
  • 7.d3 Nh5
    • 8.Nfd2 f5
    • 8.e4 Na6
    • 8.e4 f5
      • 9.ef5 Bf5
  • 7.d3 h6
    • 8.c4 Be6
  • 7.d4 ed4
  • 7.d4 e4

• 6.d3 c6
  • 7.0-0 a5

• 6.d3 Nbd7
  • 7.Nbd2 e5

• 6.d3 e5
  • 7.Nc3 c6
  • 7.Nbd2 a5
  • 7.Nbd2 a6
  • 7.Nbd2 c6
  • 7.Nbd2 Nc6
  • 7.Nbd2 Bd7
  • 7.Nbd2 Nbd7
  • 7.Nbd2 Nh5
  • 7.e4 Nc6

• 6.d4 c6
  • 7.0-0 a5
  • 7.0-0 d5
  • 7.0-0 Nbd7
  • 7.c4 Nbd7

• 6.d4 Nbd7
  • 7.0-0 Nb6
  • 7.Nbd2 c6

• 6.d4 e5
  • 7.de5 Ng4

6.0-0 b6 7.Nd4 d5 8.c4 Bb7 9.Nc3 dc4?? (better 9...e5 10.Nc2 e4+=) 10.Bb7+- Nbd7 (10...Qd4 11.Ba8 Na6+-) 11.Nc6 Qe8 12.Nb5 Rb8 (12...Nd5 13.Bg7 Kg7 14.e4+-) 13.Nc7 (13.Nc7 Rb7 14.Ne8 Re8 15.Qc2+-) 1-0. Lance5500 (2425) - bananarama3000 (1795), lichess.org, 2019.

6.0-0 Be6 7.d3 Nbd7 8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Nb6 12.Qa7 Qa8 13.Ra1 Nfd5 14.Bg7 Kg7 15.Qa8 Ra8 16.Ra8 Na8 17.Nd4 c6 18.Bd5 cd5 19.c4 Nc7 20.e4 dc4 21.Nc4 Bd7 22.f4 Na6 23.Nc2 Ba4 24.N4e3 Bb5 25.d4 Bd3 26.e5 de5 27.de5 f6 28.ef6 ef6 29.Kf2 Kf7 30.Ke1 Ke7 31.Kd2 Be4 32.Kc3 f5 33.Kd4 Ke6 34.b5 Nc7 35.Kc5 Ke7 36.Nd4 Ne8 ½–½. gbsrao (2285) – morpheas (2395), net–chess.com, 2010.

6.Nc3 Nc6 7.a3 a6 8.0-0 Rb8 (8...e5 9.e4=) 9.Ne1 Na7 (9...Ne5 10.d3=) 10.e3 (10.Nd5 Nd5 11.Bg7 Kg7 12.Bd5 Bh3=) 10...b5 (10...d5 11.Nd3=) 11.Ne2 (11.Nd3 a5=) 11...Bb7 12.f4 (12.a4 Bg2 13.Ng2 Qd7=) 12...Bg2=+ 13.Ng2 c5 14.f5 c4 (14...e6 15.g4 Nc6 16.fe6 fe6 17.Nef4=+) 15.d3 Qc7 (15...d5 16.fg6 hg6 17.Ngf4=) 16.dc4 (16.Ngf4 Qb7= (16...gf5? 17.Bf6 Bf6 18.Nd5+-)) 16...Qc4=+ 17.Rf4 Qc6 18.Bf6 Bf6 19.Rc1 Be5 20.Rg4 (20.fg6 hg6 21.Rf2 Qc4=+) 20...Qd7 (20...Rbc8 21.fg6 fg6 22.c4=+) 21.e4 (21.Qd3 Nc6 22.Rf1 Bf6=+) 21...h5 (21...Nc6 22.Rb1=+) 22.Rh4 Bf6 (worse 22...gf5 23.Rh5 Rfc8 24.ef5+/-) 23.Rf4 Bg5 24.c4? (24.fg6 Bf4 25.Nef4 Qg4+/-) 24...bc4 (24...Bf4 25.Nef4 Qb7 26.fg6 Qe4 27.Qh5 fg6 28.Ng6 Qd4 29.Kh1=+) 25.Rc4 (25.fg6 Bf4 26.Nef4 Qb5=) 25...Bf4-/+ 26.Nef4 Qb5 (26...Kh7 27.Ne3-/+) 27.Rc2 (27.Ne3 Nc6=) 27...Qb6 28.Kh1 Kg7?? (better 28...Qb7 29.Nd5 Rbc8=+) 29.Nd5+- Qd8 (better 29...Qb5 30.Qd4 Kh7 31.Qa7 Qf1 32.Qg1 Qd3+-) 30.Ngf4?? (better 30.Qd4 Kh6 31.Qe3 g5 32.Qa7+-) 30...Qd7?? (30...Rc8 31.Rc8 Nc8 32.fg6+/-) 31.Qd4 (31.Rc7!? Qc7 32.Nc7 Nb5+-) 31...f6?? (31...Kh7 32.Rc7 Nb5 33.Rd7 Nd4 34.Ne7+=) 32.fg6 (better 32.Ne6!? Kh7 33.Rc7 Nb5 34.Rd7 Nd4 35.fg6 Kg6 36.Ne7 Kf7 37.Nc6 Kg8 38.Ncd4 Rfe8+-) 32...Rbc8? (32...Nb5 33.Qd1 e5 34.Nh5 Kg6+-) 33.Rd2?? (better 33.Rc7! Rc7 34.Nc7+-) 33...Qg4 (33...Rc1!? 34.Kg2 Nb5+=) 34.Rf2 (34.Qd3 Rfe8+/-) 34...Rc1 (34...Nc6 35.Qd3 Ne5 36.Qf1+/-) 35.Kg2 Nc6 (35...Nb5 36.Qe3 Ra1 37.Ne7 Ra3+-) 36.Qd2 Rd1 37.Qa2?? (37.Qc2 h4 A) 38.Qc6 h3 39.Nh3 Qe4 40.Rf3 Qd5-/+ (40...Rd5?! 41.Nf2 Qe6 42.Qa6=+); B) 38.Ne3 h3 39.Nh3+-) 37...h4+= 38.Ne3?? (better 38.Nc3 h3 39.Nh3+/-) 38...h3!-+ 39.Nh3 Qe4 40.Rf3 Nd4 41.Qf2 Nf3 (better 41...Re1! 42.Nf4 Rh8 43.h4 Nf3 44.Qf3 Qe3 45.Qe3 Re3 46.Nd5-+) 42.Qf3 Qf3 (better 42...Rd2 43.Nf2 Qf3 44.Kf3 Kg6 45.g4-+) 43.Kf3 Rd3 44.Nf4 Ra3 45.Ne6 Kg8 46.Nf8 Kf8 47.h4 Kg7 48.h5 Ra4 (48...Ra4 49.Nf5 Kh8+-) 0-1. Prozorov - tadjvid19 (1775), Rated Blitz game, lichess.org, 2013.

6.d3 Na6 7.b5 Nc5 8.c4 a6 9.a4 e5 10.Nbd2 Re8 11.0-0 Qe7 12.Qc2 Nfd7 13.e4 Nf8 14.d4 ed4 15.Nd4 Nfe6 16.Ne6 Qe6 17.Bg7 Kg7 18.f4 ab5 19.ab5 Ra1 20.Ra1 Qf6 21.Ra8 Qd4 22.Kf1 Nd3 23.Nb3 ½–½. Boussaha,Bilal (1975) – Imbert,Christophe (2135), Elancourt op, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

6.d4 d5 7.Nbd2 b5 8.a4 c6 9.Ne5 Bb7 10.Nd3 Nbd7 11.0-0 a5 12.ab5 cb5 13.ba5 Ra5 14.Ra5 Qa5 15.Nb3 Qc7 16.Ba3 Nb6 17.e3 Nc4 18.Bb4 Re8 19.Nbc5 Bc6 20.Qe2 h6 21.f4 Kh7 22.Ne5 e6 23.g4 Ng8 24.Qd3 f5 25.Bh3 (25.g5 Ne5 26.fe5 hg5=) 25...Nf6= 26.Ng6 Kg6 27.gf5 Kh7 28.fe6 Ne4 29.Bf5 Kh8 30.Ne4 de4 31.Qe2 (31.Be4 Re6 32.Bc6 Rc6+=) 31...Bd5 (31...Bd4 32.ed4 Qg7 33.Bg4 Qd4 34.Qf2 e3–+) 32.Qh5+= Rg8 33.e7 Qc6?? (better is 33...Ne3 34.e8Q Qc4–/+) 34.Kf2+= Ne3 35.Ke3 Qc2 36.Qd1 Qh2?? (better is 36...Qc4 37.Bg6 Qb4–+) 37.Be4+/– Bc4 (37...Be4 38.Ke4 Qg2 39.Qf3+/–) 38.Rf3 Qb2 39.Qd2 Qa1 40.d5?? Bb2 41.Qh2?? Bd4 42.Kd2–+ Qb2 43.Bc2 Qb4 44.Kd1 Be2?? 45.Ke2 Qe7= 46.Kd3 Bg7 47.Bb3?? Qc5 48.Re3?? Qc3 (48...Qc3 49.Ke2 Qb2 50.Kf3 Qh2–+) 0–1. Barbosa,Ren O – Cajal,Andre (2170), IGSP op–C Sao Caetano do Sul, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

6.d4 Nd5 7.a3 f5 8.c4 Nf6 9.Nbd2 e5 10.de5 de5 11.Ne5 Re8 12.0-0 Nh5 13.Bd5 Kf8 14.f4 c6 15.Bg2 Be5 16.Be5 Re5 (16...Nd7 17.Bd6 Kg8+–) 17.fe5 Qd4 18.Kh1 f4 (18...Nd7 19.e3! Qe5 20.e4+–) 19.Nf3 Qe3 (19...Qd1 20.Rad1 Ke7 21.gf4 Nf4+–) 20.Qd8 Kg7 21.Ng5 (21.Ng5 Qe5 22.Qc8 Qg5 23.Qb7 Kh6 24.Qa8+–) 1–0. Serra Labrador,C (2020) – Vidal Palou,J (1700), 2nd Girona Open, 2011.

6.d4 Bg4 7.c4 Nbd7 8.h3 Bf5 9.Nh4 (9.Nfd2!? Bb1 10.Rb1+=) 9...Be4=+ 10.f3 Bf5 (better 10...Bb1!? 11.Rb1 Nh5–/+) 11.Nf5+= gf5 12.e4 fe4 13.fe4 e5 14.de5 de5 15.0-0 Qe7 16.a3 Rfd8 17.Nc3 Nc5 Attacking the isolated pawn on e4 (17...a5 18.Qb3+=) 18.Qc2 (18.Nd5 Nd5 19.ed5 Nd7+–) 18...Ne6 (18...Nd3 19.Nd5 Nd5 20.cd5 (worse 20.ed5 Nb2 21.Be4 Qg5=) 20...Nb2 21.Qb2+=) 19.Nd5+– Qd6?? (better 19...Nd5 20.ed5 Nd4+–) 20.Nf6+– (20.Rf6?! c6 21.c5 Qd7+–) 20...Bf6 21.Rf6 Qe7 (21...a5 22.Qe2 ab4 23.Qg4 Kh8 24.Rf7+–) 22.Be5 Nd4 (22...a5 23.c5 Nd4 24.Bd4 Rd4 25.Raf1+–) 23.Bd4 Rd4 24.Rf5 (24.Raf1 Rf8+–) 24...Rad8 25.Rd5 (25.e5 c6+–) 25...R4d5 26.ed5 (26.cd5 Qe5 27.Rc1 Rd7+–) 26...Qe3 (26...Qe5 27.Rf1 Qg3 28.Qe4+–) 27.Kh2 Re8 28.Ra2 Kg7 29.Qf2 Qe5 (29...Qf2 30.Rf2 Re3 31.Rf3 Rf3 32.Bf3+–) 30.Qb2 (better 30.Qa7!? b6+–) 30...Qb2 31.Rb2 Re3 32.Ra2 h5 33.c5 Kf6 (33...b6 34.cb6 cb6 35.Rd2+–) 34.Rf2 (34.Rd2 Ke7+–) 34...Ke7 35.d6! cd6 36.cd6 Kd6 37.Rf7 Ra3 38.Rb7 Rb3 (38...a5 39.Rb6 Ke7 40.ba5 Ra5 41.Bf3 Ra2 42.Kg1 Ra1 43.Kf2 Ra2 44.Be2+–) 39.Ra7 Rb4 40.Ra5 Rb2 (40...h4 41.g4+–) 41.Rh5 Ke6 42.Rg5 1–0. double_bishops – pipesharp, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 Bg4)

6.e3 a5 7.a3 ab4 8.ab4= Ra1 9.Ba1 Nc6 10.b5= Na7 11.c4 Bf5 12.0-0 Bd3+= 13.Re1 e5 14.Nc3 e4 15.Ng5+= Re8 16.Qc1 Bc4 17.Nce4 d5 18.Nf6 Bf6 19.Bf6 Qf6 20.Nf3 Nb5–/+ 21.d3? Bd3–+ 22.Qd2 Be4 23.Nd4 Nd6 24.f3 Bf5 25.e4 de4 26.Nf5 gf5 27.fe4 fe4 28.Qc2 e3 29.Qe2 c5 30.Rf1 Qe6 31.Rf3 c4 32.h4 c3 33.Kh2 b5 34.Bh3 Qc4 35.Qc4 Nc4 36.Bd7 Re7 37.Bb5 e2 38.Bc4 e1Q 0–1. gbsrao – hybriddream (2185), net–chess.com, 2006.

6.e4 Nbd7 (6...a5 7.b5=+) 7.d3= a5 8.b5 b6 9.a4 Bb7 10.Nbd2 Nc5 11.Qb1 e6 12.Qa2 Re8 13.h3 d5 (13...c6 14.0-0=) 14.e5 Nfd7 15.d4 Ne4 16.Nf1 c5 17.c3 cd4 18.cd4 Rc8 19.Ne3 Nc3 20.Qb3 Ne4 21.0-0 Qe7 22.Rac1 Rc1 23.Rc1 Rc8 24.Rc8 Bc8 25.Ba3 (better 25.Nd5!? ed5 26.Qd5+-) 25...Qd8+= 26.Ne1 Ng5 27.h4 Ne4 28.Be4 de4 29.Ng4 Bb7 30.Ng2 1-0. alessandrocarvalhaes (1845) - castelobranco26 (1880), lichess.org, 2020.

7.Bg7 Kg7 8.a3 f5 9.e4 (better is 9.d4!?+=) 9...fe4= 10.Ng5 e5 11.Ne4 (worse is 11.Be4 Nb6 12.h4 d5–/+) 11...Nc6 12.b5 Nd4 13.c3 Ne6 (worse is 13...Nb5 14.a4 Nbc3 15.Nbc3+/–) 14.d4 Nb6 15.d5 Ng5 16.h4 Ne4 17.Be4 Bh3 18.Bg2 Qd7 19.a4 Bg2 20.Kg2 Qf7 21.c4 Nc4 22.a5 a6–+ 23.Nc3 ab5 24.Nb5 Ra5 25.Ra5 Na5 26.Qd3 b6 27.Nc3 Nb7 28.f4 Nc5 29.Qe3 Qf5 30.Rf2 Rf7 31.Kh2 h6 32.Nd1? Qd3 33.fe5 Rf2 34.Qf2 de5 35.Ne3 Ne4 36.Qf3 Qd2 37.Kg1 Qe1 38.Kg2 Nd2?? 39.Qg4= Qe3 40.Qd7 Kg8 41.Qe8 ½–½. Kalka,Arkadius Georg – Mueller,U, Bochum Post op, 1992.

7.a4 Nbd7 8.b5 Rb8 9.c3 c5 10.bc6? (better 10.d3=) 10...bc6-+ 11.Ba3 Bb1?? (better 11...c5-+) 12.Rb1+= c5 13.Ra1 (13.Rb8!? Qb8 14.Qc2+=) 13...Nb6= 14.a5 Nc4 15.a6 Na3 16.Ra3 Qb6 17.Ra1 Nd7 (17...d5 18.Qc2=+) 18.Qc2= Ne5?? (better 18...d5!?=) 19.Ne5 (19.Rfb1 Qd8+-) 19...Be5 (better 19...de5 20.Rfb1 Qd6+/-) 20.Bb7 (20.Rfb1!? Qd8 21.Rb7 Ra8+-) 20...h5 (20...e6!?+=) 21.Rfb1+/- Qc7 22.Bd5 (better 22.Be4 Rb6 23.Qa2+/-) 22...Rb1?? (better 22...e6 23.Be6 fe6 24.Qg6 Kh8+=) 23.Rb1+- (23.Qb1?! e6 24.Qb7 Rc8=) 23...Rb8 (23...Kg7 24.Rb7 Qa5+-) 24.Rb7 (24.Qg6 Kh8 25.Qh5 Kg7 26.Qf7 Kh8 27.Be4 Bg7 28.Qh5 Kg8 29.Rb8 Qb8 30.Bd5 e6 31.Be6 Kf8 32.Qf7) 24...Qd8 25.Ra7 (25.Qg6! Bg7 26.Qf7 Kh7 27.Be4 Kh8 28.Qh5 Kg8 29.Bd5 e6 30.Be6 Kf8 31.Qf7) 25...Qb6 (25...Kg7+-) 26.Rb7 (26.Rb7 e6 27.Rb6 Rb6 28.a7+-) 1-0. hamidrezaderakhshan - j04021954j (1605), lichess.org, 2020.

7.d3 a5 8.e4 Bg4 9.a3 ab4 10.ab4 Ra1 11.Ba1 Nc6 12.b5 Nb8 13.h3 Bd7 14.c4 c6 (14...Re8 15.Nc3=) 15.bc6 Bc6 16.Nbd2 Nfd7 (16...Nbd7!?=) 17.Bg7+/- Kg7 18.Nb3 (18.d4 Nf6+/-) 18...Na6 19.Nbd4 e5 20.Nc6 bc6 21.Qa4 Qb6 22.Ng5 (22.Qa1 Nac5 23.d4 Nb3+=) 22...Ndc5=+ 23.Qa3 h6 (23...Qb4 24.Ra1=+) 24.Nf3= Rb8 25.Nd2?? (better 25.d4 Ne4 26.Qe3=) 25...Qb2-+ 26.Qb2 Rb2 27.Nb1 (27.d4 ed4 28.Nf3 Nb3-+) 27...Nd3 28.Nc3 (28.f3 Nac5-+) 28...Nac5 (28...Rc2 29.Nd1-+) 29.f4 (29.Nd1 Ra2-+) 29...Rc2 30.Nd1 Rc4 31.fe5 Ne5 32.Ne3 (32.Nf2 Rc3 33.g4 Rc2-+) 32...Rc3 (32...Ra4 33.Re1-+) 33.Nd1 (33.Kf2 Ncd3 34.Ke2 Nc1 35.Kf2 Ned3 36.Kf3 Rb3-+) 33...Rg3 34.Kh2 Rd3 35.Nb2 (35.Nf2 Rd4-+) 35...Rd4 (35...Rd2!? 36.Nd1 Ne4 37.Ne3-+) 36.Rd1 Rd1 (36...Rb4!? 37.Rd2 Ne4 38.Be4 Re4 39.Kg2-+) 37.Nd1 Kf6 38.Ne3 Kg5 39.Kg3 f5 40.ef5 gf5 41.h4 Kf6 42.Kf4 (42.Bh3 Ne4 43.Kg2-+) 42...Ncd3 43.Kg3 f4 44.Kh3 fe3 (44...fe3 45.Bf1 e2 46.Be2 Nf4 47.Kg3 Ne2 48.Kf2 Nd4-+) 0-1. bjagus (1620) - CrazyMerlyn (1740), lichess.org, 2019.

7.d3 c6 8.Nbd2 d5 9.Rc1 Nbd7 (9...a5 10.ba5 Ra5 11.a3=) 10.c4 dc4 11.Nc4 Re8 (11...Nb6!?=) 12.Nd4+= Ng4 (12...Nb6 13.Nf5 gf5 14.Na5+/–) 13.Nf5 gf5 (13...Bb2 14.Nb2 gf5 15.Qd2+/–) 14.Bg7+/– Kg7 15.Qd2 Rg8 (15...f6 16.d4+/–) 16.Qg5 Kf8 17.Qf5 a6 (17...h6 18.b5 Rg5 19.Qf3+–) 18.Bh3 (18.Qh7!? Ngf6 19.Qf5 Rh8+–) 18...Ngf6 19.e4 Qc7 (19...e6!? 20.Qf4 Qb8+–) 20.e5 e6 21.Qf4 Nd5+/– 22.Qh6 Rg7 23.f4 Nb4 24.f5 ef5 25.Rf5 Kg8 26.Rcf1 Nf8? 27.Nd6 Qb6 28.Kh1 Rg6 29.Rg5 Nd3 30.Rg6 Ng6 31.Nf5 Nf2 32.Kg2 Nh3 33.Qg7 1–0. gbsrao (2310) – gphillips (2380), net–chess.com, 2010.

7.c4 Qd7 8.d3 Bh3 9.Nbd2 Bg2 10.Kg2 a6 11.a4 e5 12.Qc2 White plans c5 12...Qe7 13.Rac1 c6 (13...Nc6 14.b5 Nd8 15.c5=) 14.c5+= dc5 15.Qc5 Qc5 16.Rc5 (16.bc5!? Nfd7 17.Rb1+=) 16...Nbd7= 17.Rc2 Nd5 18.Ba3 Rfe8 19.Rfc1 (19.e4 Nc7=) 19...N7b6 (19...Bf8 20.a5=+) 20.a5= Na4 (20...Nd7 21.Nc4=) 21.e3 (21.e4 Nc7 22.Ra1 Nb5+=) 21...f5 (21...Rad8 22.Nc4=+) 22.Nc4 (better 22.e4 Nc7 23.Ra1+=) 22...Bf8 (22...e4 23.de4 fe4 24.Nd4=+) 23.Rb1 (better 23.Nce5 Nb4 24.Rc4 Nd3 25.Nd3 Ba3 26.Rb1+=) 23...Nac3 24.Rb3 Nb5 (better 24...e4!? 25.Rbc3 Nc3 26.Rc3 ef3 27.Kf3 Rad8=+) 25.Nce5 Na3 26.Ra3 Nb4 27.Rc4 Rad8 28.Ra1?? (better 28.d4 Rd5 29.g4+=) 28...Nd3-/+ 29.Nd3 Rd3 30.Rb1 Rd7 31.Ra4 Ree7 32.Ra2 Re4 (32...Bg7!?-/+) 33.Rab2=+ Ree7 34.Nd4 (34.Ra2 Bg7 35.Nd2-+) 34...c5-/+ 35.Nb3 (35.Nf3 Bg7 36.Rc2 Rd5-/+) 35...c4-+ 36.Nd4 c3 37.Rc2 Rc7 38.Rbc1 Bg7 (better 38...Re5!? 39.Rc3 Rc3 40.Rc3 Ra5-/+) 39.Rc3= Rc3 40.Rc3 Bd4 41.ed4 Rd7 42.Rc4 Rd5 43.Rc7 1-0. dannysmet (2055) - Mirza_Iakobadze (1990), Rated Blitz game, lichess.org, 2020.

6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2).

6.c4 c6 7.0-0 e5 8.d3 (--> 6.0-0 e5 7.d3 c6 8.c4).

6.c4 Nbd7 7.0-0 (--> 6.0-0 Nbd7 7.c4).

7.a3 ab4 8.ab4 Ra1 9.Ba1 c5 10.0-0 (10.bc5!? dc5 11.c4=) 10...cb4+= 11.Bf6 Bf6 12.Nbd2 Nc6 13.Nc4 b5 14.Ne3 Be6 15.Nh4 (15.d4 Bc4–/+) 15...Nd4 16.Qd2 (16.Nf3 Nf3 17.Bf3 Bh3–/+) 16...Qc7–+ 17.Qb4 Nc2 18.Nc2 Qc2 19.Bf3 Rb8 20.Ng2 Bc3 21.Qb1? Qb1–+ 22.Rb1 b4 23.Ne3 Ba2 24.Rc1 e6 25.Nd1 Bf6 26.e3 d5 27.d4 Be7 28.Nb2? f5 29.Rc7 Kf8 30.Be2 b3 31.Ra7 Rc8 32.Bd1? Rc1 33.Kf1 Bb4 34.Ke2–/+ Bc3 35.Nd3 Ra1 36.Rb7 Rb1 37.Rh7?? b2–+ 38.Nb2 Rb2 39.Kf3 Be1 40.Be2 Bc4 0–1. gbsrao (2310) – taxista (2460), net–chess.com, 2010.

7.ba5 Ra5 8.0-0 Nc6 9.c4 e5 10.Nbd2 Ne8 11.Qc2 f5 12.Nb3 Ra8 13.c5 d5 14.Nfd2 e4 15.Bg7 Ng7 16.de4 de4 17.Rfd1 Qf6 18.e3 Nb4 19.Qc4 Be6 20.Qb4 b6 21.cb6 cb6 22.Bf1 Rfd8 23.Bc4 h6 24.Qb6 Kh7 25.Be6 Ne6 26.Nf1 Rd1 27.Rd1 Ra2 28.Rd6 Qb2 29.Rd7 Ng7 30.Rg7 Qg7 31.Nd4 Qa7 32.Qa7 Ra7 33.Nd2 Ra1 34.Kg2 Kg7 35.h4 Kf6 36.Nc4 g5 37.hg5 hg5 38.Nd6 f4 39.gf4 gf4 40.Ne4 Ke5 41.Nd2 Ra2 42.N4f3 Kf5 43.Kf1 fe3 44.fe3 Ra1 45.Ke2 Ra2 46.Nd4 Ke5 47.Kd3 Ra3 48.N2b3 Kd5 49.e4 Kd6 50.Ke3 Ke5 51.Nf3 Ke6 52.Nfd2 Ke7 53.Kf4 Ra4 54.Kf5 Re4 55.Ne4 Kf7 56.Nbd2 Ke7 57.Ke5 Kd7 58.Nf3 Kc7 59.Ke6 Kc6 60.Ne5 Kc7 61.Kd5 Kb6 62.Nd6 Kc7 63.Ndc4 Kd8 64.Kd6 1–0. grajaro (2005) – browarman, kurnik, 2012.

7.b5 c6 8.c4 Nbd7 9.bc6 bc6 10.Nd4 Qb6 11.Qb3 Qc7 12.Bc6 Rb8 13.Bb5 Bb7 14.0-0 e5 15.Nc2 d5 16.Nd2 Nc5 17.Qa3 dc4 18.Bc4 Bc6 19.Rab1 Na4 20.Ba1 Rfe8 21.Rb8 Rb8 22.Ne3 Bf8 23.Qc1 Bb4 24.Bd5 Rc8 25.Bc6 Qc6 26.Ndc4 e4 27.a3 Be7 28.Qd2 ed3 29.ed3 Nc5 30.Na5 Qd7 31.Rc1 Ra8 32.Rc5! (32.Rc5 Bc5 33.Bf6 Ba3 34.Nac4+–) 1–0. Poleschi,Ricardo D – Szlos,Leonardo, Argentina UECC Email, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 a5)

7.b5 c6 8.bc6 bc6 9.0-0 Na6 10.c4 Bg4 11.Nbd2 Qd7 12.Re1 Bh3 13.Bh1 h6 14.Rb1 e5 15.Ba3 Ng4 16.Ne4 Nb4 17.Bb4 ab4 18.Rb4 d5 19.cd5 cd5 20.Nc5 Qe7 21.Rb5 e4 22.de4 de4 23.Qc1 Rfc8 24.Bg2 Bg2 25.Kg2 Ra2 26.Ng1 Ra1 27.Rb1 Rb1 28.Qb1 Qc5 29.e3 Qc2 30.Qc2 Rc2 31.Nh3 Bc3 32.Rb1 Ne3 33.Kg1 Ng4 34.Rb8 Kg7 35.Rc8 e3 36.fe3 Ne3 37.Nf4 Ng4 0–1. Ostry – Peng Zhaoqin, Manila 1992.

7.0-0 Nc6 8.a3 Rb8 9.Nbd2 Na7 10.c4 b5 11.Rc1 Bb7 12.Qc2 c5 13.bc5 bc4 14.Nc4 (14.Qc4?! Bf3 15.Bf6 Bg2 16.Bg7 Bf1 17.Bf8 Be2=) 14...dc5 15.Be5 Ra8 (better is 15...Rc8!?+/–) 16.Rb1+– Bf3 (16...Bd5 17.Nb6 Nb5 18.Qc5 Bf3 A) 19.Na8 Bg2 20.Bf6 Bf1 (20...Ba8?! 21.Be7 Bd4 22.Qb4=) 21.Bg7 Qa8 22.Rf1 Kg7–+; B) 19.ef3?! Nd7 20.Nd7 Qd7+=; C) 19.Bf3+–) 17.Bf3 (17.ef3?! Nb5=) 17...Rc8 18.Bb7 Rc7 (18...Qd7 19.Bc8 Qc8 20.Rb8+–) 19.Bc7 Qc7 20.Ba6 Nc6 21.e3 Nd8 22.Rb3 Ne6 23.Rfb1 Ng5 24.Bb7 e6 (24...Rb8+–) 25.f4 Nh3 26.Kg2 Nf4 27.ef4 Nd5 28.Bd5 ed5 29.Rb7 Qc6 30.Ne5 Be5 31.fe5 d4 32.Kg1 Re8 (32...Qf3 33.Qd2+– (33.Qc5?! Qe3 34.Kf1 Qd3 35.Kg2 Qe2 36.Kh1 Qf3 37.Kg1 Qe3 38.Kg2 Qe2 39.Kh3 Qh5 40.Kg2 Qe2=)) 33.Qf2 Qd5 (33...Qe6+–) 34.Qf6 Qe5 35.Qf7 Black resigned. . . . . . (35.Qf7 Kh8 36.Qh7) 1–0. marekt – Salvatore, ChessWorld.net, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bg2 0-0 5.Bb2 d6)

7.0-0 e5 8.Nbd2 Nc6 9.e4 (better is 9.a3!?=) 9...Nb4–/+ 10.Nc4 (10.d4 ed4 11.Nd4 Bg4–/+) 10...Nc6 11.Qe2 b5 12.Ne3 Bd7 13.Rad1 Re8 14.c4 Rb8 15.Nd5 (15.Rb1!?–/+) 15...bc4–+ 16.dc4 (16.Nf6 Qf6 17.dc4 Be6–+) 16...Ne4! 17.Qe4 (17.Bc1 Nc5 18.Bg5 Qc8–+) 17...Rb2 18.Nc3 Nd4 19.Nd4 (19.Qe3–+) 19...ed4 20.Qe8 (20.Qd5 dc3 21.Qa5 Qc8–+) 20...Be8 (20...Be8 21.Nd5 c6–+) 0–1. gbsrao (2675) – gtan (2545), net–chess.com, 2009.

7.Nbd2 Nc6 8.Rb1 e5 9.Ba1 Qe7 (9...Ne7 10.c4=) 10.a4 (10.0-0 Re8=) 10...Be6=+ 11.b5 ab5 12.ab5 Nd8 13.c4 Bc8 14.0-0 Ne6 15.Ne1 Nc5 16.Nc2 h5 17.Nb4 h4 18.Nb3 Na4 19.Qc2 h3 20.Bh1 Ra7 21.Rbc1 (21.f4 Bf5+=) 21...Bd7 22.Nd2 (22.f4 Rfa8=) 22...Bh6 (22...Rfa8 23.Ne4=) 23.e3 Rfa8 24.Ne4 Ne4 25.Be4 Nc5 26.Bh1 Bg7 27.Nd5 (27.f4 Bf5=) 27...Qd8 28.Bc3 Ra2 29.Qd1 Bf5 30.Nb4 R2a3 31.d4 Ne4 32.Be1 (32.Be4 Be4 33.f3 Qg5=) 32...ed4=+ 33.ed4 Bh6 (33...Qg5 34.Nc2 Ng3 35.fg3-/+) 34.f4= Bg7 35.Nc2 Nc3 36.Bc3 Rc3 37.Rf2 (37.Bb7 Ra2 38.Ne1 Rc1 39.Qc1-+) 37...Qe7 38.Rd2?? (38.Bb7 Ra2 39.Re2 Rcc2 40.Rcc2 (40.Re7 Bd4 41.Kf1 Bd3 42.Re2 Be2 43.Ke1 Bd1 44.Rc2 Bc2 45.Bh1 Bd3 46.Kd1 Be3 47.b6 Ra1) 40...Bc2 41.Re7 Bd1 42.Kf1 Bd4 43.Bd5-+) 38...Bc2 39.Rdc2 (39.Qe1 Bd3 40.Rd3 (40.Qe7?? Bd4 41.Qe3 Be3 42.Rf2 Rc1) 40...Qe1 41.Re1 Rd3 42.Kf1-+) 39...Qe3 40.Kf1 Bd4 (40...Bd4 41.Qd4 Qd4 42.Rc3 Ra2-+) 0-1. jvanmechelen (2675) - waldokitty (2750), net-chess.com, 2022. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d3)

7.Nc3? cb4–/+ 8.Ne4 (8.Nb1 Nc6–/+) 8...Ne4–+ 9.Bg7 Nf2 10.Kf2 Kg7 11.e4 (11.a3 ba3 12.Ra3 Nc6–+) 11...Nc6 12.Qe2 Bg4 13.h3 (13.Rhf1 e5–+) 13...Be6 (13...Bf3 14.Bf3 f5 15.Ke1–+) 14.Raf1 (14.a3 ba3 15.Ra3 f5–+) 14...Ba2 15.Ra1 Be6 16.Rhb1 a5 0–1. gbsrao – rsilva, net–chess.com, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0)

7.a3 a6 8.0-0 e5 9.Nbd2 Be6 10.Qc1 Qd7 11.Re1 Bh3 12.e4 Bg2 13.Kg2 Qg4 14.Qd1 Nh5 15.Ng1 Qd1 16.Rad1 f5 17.f3 f4 18.g4 Nf6 19.h3 h5 20.Ne2 hg4 21.hg4 Kf7 22.Rh1 Rh8 23.Nb3 b6 24.c3 Nd7 25.Rdg1 Rh1 26.Rh1 Rh8 27.Bc1 Rh1 28.Kh1 g5 29.Kg2 Ke6 30.Bd2 a5 31.b5 Na7 32.a4 Nc5 33.Nc5 dc5 34.c4 Nc8 35.Nc3 Ne7 36.Be1 Kd6 37.Bf2 c6 38.Be1 cb5 39.ab5 Bh6 40.Na4 Kc7 41.Bc3 Bg7 42.Bb2 Nc8 43.Nc3 Ne7 44.Ba3 Nc8 45.Nd5 Kb7 46.Kf2 Nd6 47.Ke2 Bf8 48.Nf6 Kc7 49.Nh7 Be7 50.Kd2 Nf7 51.Kc2 Kd7 52.Kb3 Ke6 53.Kc3 Nd6 54.Kd2 Ne8 55.Ke2 Nd6 56.Kf2 Kf7 57.Ke2 Kg6 58.Ng5 Kg5 59.Bc1 Kh4 60.Ba3 Kg3 61.Bc1 Nf7 62.Bd2 Ng5 63.Be1 Kg2 64.Bh4 Kh3 65.Bf2 Ne6 66.Be1 Nd4 67.Kf2 Bh4 68.Kf1 Be1 69.Ke1 Nf3 70.Kf2 Ng5 71.Ke2 Kg4 72.Kf2 f3 73.Ke3 Kg3 74.d4 ed4 75.Kd3 Ne4! 76.Ke4 f2 77.Kd5 f1Q 78.Kc6 Qf6 79.Kb7 d3 (79...d3 80.Kc7 d2 81.Kb7 Qe7 82.Kb6 Qe6 83.Kc5 d1Q 84.b6 Qf5 85.Kc6 Qdd7#) 0–1. linakip – andrutza1999, kurnik, 2011.

7.a3 e5 8.c4 Ne7 (8...e4 9.de4 Ne4 10.Bg7 Kg7 11.Nbd2=) 9.Nc3= Nh5 (9...Bg4 10.0-0=) 10.0-0+= f5 (10...Bg4 11.d4+=) 11.Qb3+– Kh8 (11...Bf6 12.Bc1+–) 12.Rfd1 (12.c5 Bf6+–) 12...Be6 13.d4 (13.Ng5 Bc8+–) 13...e4+= 14.Ng5 Bg8 15.d5 h6 (15...Nd5 16.Nge4 (worse 16.cd5 Qg5 17.Qc2 Qe7=+) 16...Nb6 17.Nd2+=) 16.Ne6+– Be6 17.de6 Kh7 18.f3 (18.Qa2 c6+–) 18...ef3 (18...Qc8 19.Nd5 Bb2 20.Qb2+–) 19.Bf3+– Nf6 (19...c6 20.Kg2+–) 20.Bb7 Rb8 21.Bf3 c5 22.Nb5 cb4? (22...d5 23.Be5 Qb6 24.Bb8 Rb8+–) 23.Rd6 Qc8 (23...Qe8 24.ab4 Nc8 25.Rc6+–) 24.ab4 Ne4 (24...Rd8 25.Qd3 Ne8 26.Rd8 Qd8 27.Qd8 Rd8 28.Ra7 Bb2 29.Re7 Kg8+–) 25.Be4 fe4 (25...a6 26.Bg7 Rd8 27.Raa6 Rd6 28.Rd6 Kg7 29.Qc3 Kg8 30.Rd7+–) 26.Rd7 (26.Rd7 Bb2 27.Re7 Bg7 28.Qc3+–) 1–0. Pierre – Koala, internet, 2020.

7.a3 e5 8.Nbd2 Ng4 9.e4 f5 10.ef5 Bf5 11.Qc1 d5 12.0-0 e4 13.Nh4 e3 14.Nf5 Bb2 (14...Rf5?! 15.fe3 Bh6 16.Rf5 Be3 17.Kf1 gf5 18.h3+=; 14...gf5?! 15.Bg7 Kg7 16.fe3 Ne3 17.Rf2=; 14...ef2 15.Rf2 gf5 16.Bg7 Kg7 17.Rf4+=) 15.Qb2 ed2?? (better is 15...gf5 16.fe3 Ne3+=) 16.c3 (16.Qg7#) 16...Rf5–+ 17.Qd2 Qg5 18.h3?? (18.Qg5 Rg5 19.h3–/+) 18...Qd2 19.hg4 Rff8 20.c4 Qd3 21.cd5 Nd4 22.Rad1 Ne2 23.Kh2 Qc2 24.Rc1 Nc1 (24...Nc1 25.f3 Rae8–+) 0–1. linakip – deli1, kurnik, 2011.

7.a3 Bg4 8.Nbd2 a6 9.0-0 e5 10.Qc1 Qd7 11.e4 a5 12.b5 Nd4 (better is 12...Ne7!?=) 13.Nd4+/– ed4 14.Bd4 Qb5 15.Qb2 Qc6?? (better is 15...Qb2 16.Bb2 Rae8=) 16.Bf6 Bf6 17.Qf6 Qc2 18.Nf3 Qd3 19.e5 de5? 20.Ne5 Qc3 21.Rfc1 Qd4 22.Qe7 Be6?? 23.Nf3+– Qe5 24.Qg5 Qb5?? 25.Qb5 1–0. giorgo – cozmin28, kurnik, 2012.

7.0-0 Bc6 8.Nbd2 Nbd7 9.e4 (9.c4 a6+=) 9...e5 10.Qe2 Ne8 11.Rad1 (11.d4 ed4 12.Bd4 f5+=) 11...f5 (better is 11...a5 12.a3 ab4 13.ab4 Ra2+=) 12.Ng5?? (better is 12.ef5 gf5 13.c4=) 12...Qg5–+ 13.Nf3 (13.c4 Ba4 14.Rde1 f4–+) 13...Qe7 (13...Qh5!? 14.a3–+) 14.ef5 gf5 (14...Qf7 15.fg6 hg6 16.Ng5 Qa2 17.Bc6 bc6 18.c4–+) 15.c4 Ba4 16.Rde1 Nef6 (16...c6 17.Nh4 f4 18.Qg4 fg3 19.fg3–+) 17.c5? (17.Nd4 f4 18.Nf5 Qf7–+) 17...Rae8 18.Nd4 e4 19.Nf5+= Qe6 20.Ng7 Kg7–/+ 21.Be4? d5–+ 22.Bf3 Qh3 23.Qe8= Re8 24.Re8 Kf7 25.Rd8? Bb5 26.Bf6 Nf6 27.Re1 Bd3 28.Bg2? Qh6 29.Rc8? Be4?? 30.Rc7+= Kg8 31.Be4 de4 32.Rd1+/– Qf8 ½–½. gbsrao (2310) – rollerblade (2280), net–chess.com, 2010.

7.0-0 Qc8 8.Re1 a5 9.a3 b5 10.Nbd2 ab4 11.ab4 Nc6 12.c3 Qb7 13.Nb3 Qb6 14.Qd2 e5 15.e4 Be6 16.Qc2 h6 17.d4 ed4 18.Nbd4 Ra1 19.Ra1 Bd7 20.Nc6 Bc6 21.Nd4 Bd7 22.h3 Re8 23.Kh2 c5 ½–½. Becker – Hansson, Sweden 1979.

7.Nbd2 a6 8.0-0 Nc6 9.a3 Qc8 10.Re1 Bh3 11.Bh1 Bg4 12.c4 Re8 13.c5 d5 14.Ne5 Ne5 15.Be5 c6 16.Ra2 Nd7 17.Bg7 Kg7 18.Qa1 e5 19.e4 d4 20.Nc4 Qc7 21.Nd6 Re7 22.f4 f6 23.Rf1 (23.fe5!? fe5 24.Qc1+=) 23...b6= 24.fe5 fe5 25.Qc1 Rd8?? (better is 25...bc5 26.bc5 Be6+=) 26.Qg5 (26.Qg5 Nc5 27.bc5 (27.Qg4?! Qd6 28.bc5 Qc5+/–) 27...bc5 28.Nf5 (worse is 28.Qg4 Qd6 29.Qd1 c4+–) 28...Bf5 29.ef5+–) 1–0. Aguettaz,Maxime (2400) – Sommer,Konstantin (1800), Reutlingen GER, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 Bd7)

7.Nbd2 Nc6 8.a3 Qd7 9.0-0 a6 10.c4 b5 11.Qc2 Bf3 12.ef3 Ne5? (better is 12...Nh5=) 13.f4+– Nc6? (better is 13...Neg4 14.Ba8 Ra8+–) 14.Nb3?? (14.cb5 Na7 15.Ba8 Ra8 16.ba6 Rc8+–) 14...e5?? (better is 14...bc4!? 15.dc4 Rae8+/–) 15.fe5 Ne5 16.Be5 de5 17.Rad1 Rab8 18.Nc5 Qd6 19.Rd2 bc4 20.Qc4 Rb5 21.Rfd1 Rfb8 22.Ne4 Qb6 23.Rc1 c6 24.Qc6 Ne4 25.Be4 Qc6 26.Bc6+= R5b6 27.Be4 Rd6 28.Rdc2 h6 29.Rc6 Rd7 30.Ra6 f5 31.Bc6 Rd3 32.b5 e4 33.Ra8 Ra8 34.Ba8 Ra3 35.Bc6 Rb3?? 36.Bd5+– Kh7 37.Bb3 Bd4 38.Rc4 Bb6 39.Rc6 Ba7 40.b6 Bb8 41.Rc8 Bd6 42.b7 e3 43.fe3 Kg7 44.Rd8 Bc7 45.Rd7 Kf6 46.Rc7 g5 47.b8Q f4 48.Qb6 Ke5 49.Rc5 Ke4 50.ef4 gf4 51.Qb4 Ke3 52.Qf4 Kd3 (52...Ke2 53.Re5 Kd3 54.Qe3#) 1–0. giorgo – stan69, kurnik, 2012.

7.Nbd2 Nc6 8.b5 e5?? 9.bc6+– bc6 10.0-0 Rb8 11.Rb1 Re8 12.Nc4 Bf3 13.Bf3 d5 14.Ne5 Qd6 15.c4 Re5 16.Be5 Qe5 17.Rb8 (17.Rb8 Bf8 18.Ra8+–) 1–0. gbsrao (2100) – vainessa, net–chess.com, 2008.

7.b5 c6 8.a4 (8.c4 Nbd7=) 8...Nbd7 (8...Qb6 9.Na3=) 9.c4 cb5 (9...c5 10.d5=+) 10.ab5 Qc7 11.Nbd2 Nb6 (11...Re8 12.0-0=) 12.Rc1 a4 13.Ba3 Rd8 (13...Bf5 14.0-0+=) 14.0-0 e5 (14...Bf5 15.c5 dc5 16.Bc5=) 15.e3 (15.c5 dc5 16.Bc5 ed4 17.Bd4 Qd6+=) 15...Bf5 (15...ed4 16.ed4 Bg4 17.h3=) 16.Re1 (16.c5 dc5 17.Ne5 Nbd7+=) 16...Rac8 (16...ed4 17.Nd4 Bg4 18.Qc2+=) 17.e4 (better 17.c5!? dc5 18.Rc5+/-) 17...Bg4= 18.c5 dc5 19.dc5 Nbd7 20.Qa4 Ra8 (20...Bf8 21.b6 Qc6 22.Qc6 Rc6 23.Nc4 Bf3 24.Bf3=) 21.Qb3+/- Qa5? (21...Be6 22.Qb2 Bf8+=) 22.Bb2?? (better 22.Nc4 Qc7 23.Ng5 Nc5 24.Bc5 Qc5 25.Nf7+-) 22...Be6= 23.Nc4 The pressure on e5 grows 23...Qa2 24.Qa2 Ra2 25.Be5 (25.Nfe5 Nc5 26.Ba3 Bf8=) 25...Nc5= 26.Nd6 (26.Ng5 Nd3 27.Ne6 fe6=) 26...Nd3=+ 27.Nb7 Re8 (27...Rc8 28.Rc8 Bc8 29.Nd6 Ne1 30.Nc8=+) 28.Nd6= Rd8 29.b6 Ne1 (29...Ng4 30.Bg7 Kg7 31.b7 Nc1 32.Rc1=) 30.Ne1 (30.Re1 Ng4 31.Nb7 Rf8+=) 30...Nd7 (30...Ng4!? 31.Bg7 Rd6=) 31.Bg7+= Kg7 32.b7 Nb8 (32...Rd2 33.Rc8 Rd6 34.Rd8 Rd1=) 33.e5+- Rb2 (33...f6 34.f4+-) 34.Nd3 Rd2 35.Nc5 R2d6? (35...Bg4+-) 36.ed6 Rd6 (36...Bf5 37.Rd1 Bd7+-) 37.Ne6 Re6 38.Rc8 Re1 39.Bf1 Nd7 (39...g5 40.Rb8 Rb1 41.Kg2+-) 40.Rd8 1-0. Wagh,Suyog (2245) - Koellner,Ruben Gideon (2410), Titled Tuesday, 2021. (=1.Nf3 d6 2.g3 Nf6 3.b4 g6 4.Bb2 Bg7 5.Bg2 0-0 6.d4)

7.b5 Nbd7 8.0-0 Nb6 9.a4 Nc4 10.Bc3 d5 11.Na3 Na3 12.Ra3 c6 13.Rb3 (13.bc6 bc6 14.Rb3 Ne4=) 13...Bd7 (13...cb5 14.Rb5 Bd7 15.Rb7 Qc8=+) 14.Ba1 (14.Ne5 cb5 15.Nd7 Qd7 16.Rb5 Qc7=) 14...Ne4 (better 14...cb5!? 15.ab5 a4-/+) 15.Ne5= Be5 (15...cb5 16.Nd7 Qd7 17.Rb5=) 16.de5+= Nc5 17.Rb1 Na4? (better 17...Bf5!?+=) 18.e6! fe6 (18...Be6 19.Qd4 Combination; 18...fe6 19.Qd4 Combination) 19.Qd4 Rf6 20.Qa4 cb5 21.Qh4 Rf7 22.Qd4 Rf6 23.Qc5 (23.g4!? h6 24.Qd3 Kh7 25.Bf6 ef6+-) 23...Rf7 24.e4 Bc6 25.ed5 ed5 26.Rfe1 (26.Bh3!? Qd6 27.Qd6 ed6+-) 26...Qd6+/- 27.Qd4 Rf6 (27...Qf6 28.Re5 e6 29.Qd2+-) 28.Qh4 (28.Re2!? Re8+-) 28...Rf7+/- 29.Bh3 Bd7 30.Bd7 Qd7 31.Qd4 Rf6 32.Re5 Rd8 (32...b4 33.Rbe1 (33.Rd5?! Qc7+-; 33.Qd5?! Qd5 34.Rd5 Rc6+/-) 33...Re8 34.Rd5+- (34.Qd5?! Qd5 35.Rd5 Rf5+-)) 33.Qc5 (33.Rbe1 Re8 34.Rd5 Qc8 35.Re7 Re7 36.Rd8 Qd8 37.Qd8 Kf7 38.Bf6 Kf6 39.Qa5 Kg7+-) 33...Rc6 (better 33...e6+-) 34.Qd4 Rc2?? (34...Rf6 35.Rbe1 Re8 36.Rd5 Qc8 37.Re7 Re7 38.Rd8 Qd8 39.Qd8 Kf7 40.Bf6 Kf6 41.Qa5 g5+-) 35.Re7!! Qe7 (35...Qe7 36.Qh8 Double attack) 36.Qh8 Kf7 37.Qh7 Ke6 (37...Ke8 38.Qg6 Kf8 39.Qc2+-) 38.Qg6 (better 38.Re1 Kd7 39.Re7 Kd6 40.Rb7 Rc1 41.Kg2 d4 42.Qe7 Kc6 43.Qc7 Kd5 44.Qd8 Kc5 45.Qd4 Kc6 46.Qd7 Kc5 47.Rb5 Kc4 48.Qd5) 38...Kd7 39.Qc2 Rc8 (39...Qe4 40.Qe4 de4 41.Rb5+-) 40.Qd2 (40.Qd2 Qc5 41.Qa5+-) 1-0. chesserstein (2140) - filozoff (2005), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.Bg2)

7.b5 Nbd7 8.0-0 Re8 9.a4 Nb6 10.Na3 (10.Nbd2 c6=) 10...d5 (10...Na4 11.Bc1-/+) 11.Rc1 (11.c4 Ne4=) 11...Bf5?? (better 11...Na4 12.Ba1 Qd6-+) 12.c4= dc4 13.Nc4 Nc4 14.Rc4 Be4 15.Qc1 (15.Ne5 Bg2 16.Kg2 Rc8+=) 15...Nd5 (15...c6 16.bc6 Bc6 17.Qa1=) 16.Ne5 (16.Ba3!?=) 16...Bg2=+ 17.Kg2 Rc8 (17...Nb6 18.Rc7 Na4 19.Ba1 Be5 20.de5=) 18.e4 (18.Qc2!?=) 18...Nb6=+ 19.Rc2 Na4 20.d5 (20.f4!?=+) 20...Nb2-/+ 21.Qb2 Qd6 (21...e6 22.de6 Re6 23.f4-+) 22.f4-/+ f5 23.ef5 Qd5 24.Kh3 (24.Kg1 gf5 25.Ra1 b6-/+) 24...gf5-+ 25.Re1 (25.Rd2 Qe6-/+) 25...c5 (25...Red8 26.Qa2 Rd6 27.g4-+) 26.Qc1 (26.bc6 bc6 27.Qb7 Qe6-/+) 26...b6 (26...Rf8 27.Rd2 Qb3 28.Nd7-/+) 27.Rd2 (27.Nc4 Rb8-/+) 27...Qe6 (27...Qb3 28.Rb2 Qa4 29.Rb1 Be5 30.Re5-/+) 28.Nc6-/+ Qf6 29.Rd7 (29.Qc4!? Kh8 30.Re6=+) 29...Qh6-+ 30.Kg2 e5 31.Ne7 (31.Ne5 Qe6 Decoy; 31.fe5 Rc6 Decoy) 31...Re7 32.Re7 e4 33.Qc4 Kh8 34.Qe6 (34.Re6!? Qh5 35.Rb6 Qf3 36.Kh3 Qg4 37.Kg2 Qf3 38.Kh3 Qg4 39.Kg2 Qf3=) 34...Qe6=+ 35.Re6 Rb8 36.Rd1 (36.g4 Rg8 (worse 36...fg4 37.R1e4 Bd4 38.Kg3+/-) 37.Kh3 Bc3=) 36...Bd4 37.Re7 Ra8 (37...Rg8 38.Rf7=+) 38.Rb7 a4 39.Rb6 a3 (39...Ra5 40.Rb1 a3 41.Ra6=) 40.Ra6 Rb8 41.Rb1 White intends b6 (41.Ra3 Rb5 42.Ra7 Rb2 43.Kh3 Kg8=) 41...Bb2=+ 42.b6 c4 43.Ra4?? (better 43.b7 Kg7 44.Ra8 Rb7 45.Ra3=) 43...c3-+ (43...Rb6?! 44.Ra3 Kg7 45.Ra7 Kf6 46.Rh7+=) 44.Rc4 (44.Re1-+) 44...Rb6 45.Rc3 (45.Rg1 Ra6 46.g4 fg4 47.Re4 a2-+) 45...a2 46.Rc8 Kg7 47.Rd1 a1Q 48.Ra1 Ba1 49.Rc7 Kg6 50.Kh3 Re6 51.Rc1 Bd4 52.Kg2 e3 (52...Rb6 53.Rc2-+) 53.Re1 Bc3 54.Re2 Bd2 55.h3 h5 56.g4 (56.Kf3-+) 56...hg4 (56...fg4 57.hg4 hg4 58.Kf1-+) 57.hg4 fg4 58.Kg3 Kf5 59.Rh2 e2 60.Rh5 Kg6 61.f5 (61.Rh1 Re4 62.f5 Kf5 63.Kf2-+) 61...Kh5 62.fe6 (62.Kg2 e1Q 63.fe6 Be3 64.e7 Qg1) 62...e1Q 63.Kg2 0-1. geochess (2230) - kraftmeier (2235), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

7.b5 Bf5 8.0-0 c5 9.d5 Qd7 10.c4 Bh3 11.Re1 Bg2 12.Kg2 Ne4 (12...Qg4 13.Qc2=) 13.Bg7+= Kg7 14.Qc2 f5 (14...Nf6!?+=) 15.Nc3+/- Nc3 16.Qc3 Kg8 17.Ng5 Rf6 18.Ne6 (18.e4 f4+-) 18...Qc8 (18...Re6!? 19.de6 Qe6+/-) 19.e4+- Nd7 20.ef5 gf5 21.f4 (21.Qe3 Kh8+-) 21...Rb8 (21...Nf8!? 22.Nf8 Qf8+/-) 22.Re2 Nf8 23.Rae1 Ne6 24.Re6 (24.de6?! Qc7+=) 24...Re6 25.Re6 (25.de6?! Qc7+/-) 25...Qf8 26.Qe3 (26.Qa5 Ra8 27.Qd2 Qg7+-) 26...Re8+/- 27.Qe1 Kf7 (27...Qg7 28.Rd6 (28.Qa5?! Qb2 29.Kh3 Qc1+/-) 28...Qb2 29.Kh3+-) 28.Qa5 Qg7 29.Qc7 (29.Qd2 Ra8+-) 29...Qb2+/- 30.Kh3 Qa2 31.Rd6 Qc4 32.Qb7?? (32.Qd7 Qf1 33.Kh4 Qe2+-) 32...Qe2?? (32...Qf1 33.Kh4 Rg8 34.Rf6 Kf6 35.Qc6 Kg7-/+) 33.Rh6?? (33.Re6 Qf1 34.Kh4 Qf3+-) 33...Qf1?? (better 33...Qg4 34.Kg2 Qe2 35.Kg1 Qe1 36.Kg2 Qe2 37.Kg1 Qe1 38.Kg2 Qe2=) 34.Kh4+- Kg7 (34...Qf3 35.h3 (35.Rh7?? Kg6 36.h3 Kh7-+) 35...Kg7 36.Re6+-) 35.Re6 Qg2 (35...Kf8+-) 36.Re7 Kf6 (36...Re7 37.Qe7 Kg8+-) 37.Rf7 Kg6 38.Rg7 Kh6 39.Rh7 Kg6 40.Qf7 (40.Qg7) 1-0. geochess (2130) - AsChess (2125), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2)

7.0-0 Nc6 8.a3 Bg4 9.h3 Bd7 10.c4 Qc8 11.g4 h5 12.d5 Ne5 13.Ne5 (worse is 13.Be5 de5 14.Ne5 hg4+=) 13...de5 14.Be5 hg4 15.hg4 Bg4 16.f3 Bh3 17.Qd4 Bg2 18.Kg2 Qf5 19.Rh1 (19.Bc7? Ne8 20.Qf4 Ba1 21.Qf5 gf5–+) 19...Qg5 20.Kf1 Qc1 21.Kg2 Qg5 22.Kf2 Ne4 23.Qe4 (23.Qe4 Be5 Discovered attack; 23.fe4 Be5 Discovered attack) 23...Be5 24.Rg1 (24.Ra2 Qg3 25.Ke3 e6 26.de6 Rfe8=) 24...Qf6 (24...Qh5 25.Ra2+=) 25.Ra2= Kg7 26.Nd2 Rh8 27.Nf1 Qd6 (better is 27...Rh4!? 28.Rg4 Rah8–/+) 28.Ne3= Kf8 29.c5 Qf6 30.Kf1 Bd4 31.Rg2?? (better is 31.Ng4!? Qg7 32.e3+=) 31...Be3 (better is 31...Rd8!?–+) 32.Qe3+= Rh1 33.Rg1 Rg1 34.Kg1 Kg7 35.Rd2 Rh8 36.c6 bc6 37.dc6 Qh4 38.Kf1 Qh3 39.Kg1?? Qg3 40.Kf1 Rh1 41.Qg1 Rg1# (41...Qg1#) 0–1. Gimeno,Francisco – Reyes Barragan,MA (2095), Internet Section, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 a6)

7.Nbd2 Nbd7 8.0-0 Rb8 9.a4 c5 10.c3 Re8 11.Qc2 b6 12.e4 cb4 13.cb4 Bb7 14.Rac1 Rc8 15.Qd3 Rc1 16.Rc1 Qa8 17.Ng5 h6 18.Nh3 Rc8 19.Rc8 Qc8 20.f3 Ne8 21.Nf2 d5 22.Bh3 de4 23.fe4 e6 24.Nc4 Qc7 25.Bg2 Qc6 26.a5 b5 27.Nd2 Nd6 28.d5 ed5 29.ed5 Qc7 30.Bg7 Kg7 31.Nb3 Qc4 32.Qc4 bc4 33.Nd4 Ne5 34.Nc6?? Kf6 35.Ne4 Ne4 36.Be4 c3 37.Kf1?? Bc6–+ 38.dc6 Nc6! 39.b5 ab5 40.a6 Na7 41.Ke1 Ke5 42.Bc2 Kd4 43.Bb3 f6 44.Ke2 g5 45.Kf3 Kd3 46.h4 c2 47.Bc2 Kc2 48.Ke4 b4 49.Kd4 b3 50.Kc5 b2 51.Kb6 Nc8 52.Kc7 b1Q 53.Kc8 Qb6 0–1. Hartlaub,Marianne – Schmiel,Karl (1800), Bayern–ch Seniors, 1993. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.Bg2)

7.b5 Na5 8.Nbd2 d5 9.0-0 Bd7 10.a4 c6 11.bc6 Bc6 12.Ne5 Nd7 13.Nc6 bc6 14.c4 Nb6 15.c5 Nbc4 16.Nc4 Nc4 17.Bc3 f5 18.e3 Qc7 19.Qc2 Rab8 20.Rfd1 e5 21.Bf1 ed4 22.ed4 Na5 23.Rab1 Rb1 24.Rb1 Re8 25.Qd2 (25.Qb2 Nc4 26.Qb7 Qb7 27.Rb7 Re4+=) 25...Nb7 26.a5 Nd8 27.a6 Qe7 28.Rb8 Bf6 29.Ba5 Qe4 30.Bg2 Qe6 31.Qb2 Kf8 32.Ra8 Qe7 33.h3 Ne6 34.Re8 Ke8 35.Bc3 Qc7 36.Qb7 Qd7 37.Qb8 Ke7 38.Qg8?? (better is 38.Qb4=) 38...Nf8–+ (38...Nd4?! 39.Qh7 Ke6 40.Qg8 Ke7 41.Kh2=) 39.Kf1 (better is 39.Bb4!? Bd4 40.Bd5 Qd5 41.Qd5 cd5 42.c6 Kd8 43.Bf8–+) 39...Qe6 40.Qe6 Ne6 41.Ke2 Bd4 42.Bd4 Nd4 (42...Nd4 43.Ke3 Nb3–+) 0–1. Pareja Mohorte – Ramos Ferrandis, Autonomico–chT, 1996. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6)

7.b5 Nb8 8.a4 Nbd7 (8...d5 9.0-0=) 9.0-0 a5 10.c4 Rb8 (10...c5 11.bc6 bc6 12.Nbd2=) 11.Nc3 (11.Nbd2 c5+=) 11...b6 (11...c5 12.dc5 Nc5 13.Nd5=) 12.e4+= Bb7 13.Re1 e5 14.Qc2 ed4 15.Nd4 Nc5 16.Rad1 Re8 e4 draws heavy fire 17.Ba3 (17.e5 Nfd7 18.f4 Qc8 19.Bb7 Qb7+/-) 17...Ne6 18.Ne6 Re6 19.e5 (19.Nd5 Nd7+=) 19...Qe8= 20.Nd5 Bd5 (20...Re5 21.Re5 de5 22.Ne7 Kh8 23.Bb7 Rb7+/-) 21.cd5+/- (worse 21.Bd5 Re5 22.Re5 Qe5=+) 21...Re5 22.Re5 Qe5 (better 22...de5!? 23.Qc7 Nd7+/-) 23.Qc7+- Re8 24.Qb6 (worse 24.Qd6 Qc3+=) 24...Qe2 25.Rf1 Ne4 (25...Qa2 26.Bd6 Qa4 27.Qc6+-) 26.Be4 (26.Qa5?! Nd2 27.Bb4 Nf1 28.Bf1 Qb2+=) 26...Qe4 27.Qd6?? (27.Qc6 Bf8+-) 27...Bd4?? (better 27...Bf8 28.Qc7 Ba3=+) 28.Bc5 (28.b6 Qf3 29.Bc5 Qe4+-) 28...Bc3 (better 28...Bc5 29.Qc5 Qa4+-) 29.b6 h5 (29...Kg7 30.Qc6 Bb4 31.b7 Bc5 32.Qc5+-) 30.b7 h4 (30...Be5 31.Qc6 Bb8+-) 31.b8Q Rb8 32.Qb8 Kh7 33.Qf4 Qd5 34.Qh4 (34.Qh4 Kg8 35.Rb1+-) 1-0. geochess (2190) - Riddik345 (2100), Rated Bullet game, lichess.org, 2013. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

7.b5 Nb8 8.c4 Nbd7 (8...a6 9.a4=) 9.a4 Re8 10.0-0 e5 11.de5 de5 (11...Ng4!?=) 12.Ne5+/- Ne5 13.Qd8 Rd8 14.Be5 Be6 (14...Re8 15.Bc7 Re7 16.Ba5 Re2 17.Nc3+-) 15.c5 (15.Bb7 Rab8 16.Bg2 Nd7 17.Bg7 Kg7+-) 15...Nd7 (better 15...Bd5 16.Rc1 Bg2 17.Kg2 Rd5 18.Bf6 Bf6+/-) 16.Bc7?? (better 16.Bg7!? Kg7 17.Bb7+/-) 16...Rdc8 (16...Ba1 17.Bd8 Rd8 18.Rd1-/+) 17.Bb7 (better 17.Bd6!? Ba1 18.Bb7+=) 17...Rc7=+ (worse 17...Ba1 18.Bd6+= (worse 18.Bc8 Rc8 19.b6 Bd4=+)) 18.Ba8 Ba1 19.b6? (better 19.c6 Nb6 20.Bb7 Na4 21.Rc1-/+) 19...ab6-+ 20.Na3 (20.c6 Ra7 21.Bb7-+) 20...Bd4?? (better 20...Bb2 21.cb6 Nb6-+) 21.c6? (better 21.Nb5 Bf2 22.Kf2 Rc5 23.Nd6=) 21...Nb8?? (21...Ra7 22.Nb5 Ra8 (22...Ra4?! 23.cd7 Bd7 24.Nd4=) 23.Nd4 Nc5-/+) 22.Nb5+/- Nc6? (better 22...Rc6 23.Nd4 Rc4 24.Ne6 fe6+/-) 23.Nc7+- Bc4 (23...Ne5+-) 24.Bc6 Be2 (24...h5 25.Rd1 Bc5 26.a5 Be2 27.a6 Ba6 28.Na6+-) 25.Re1 (25.Re1 Bh5 26.Re4+-) 1-0. chesserstein (2140) - JimmyMow (1995), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 d6 6.d4)

7.0-0 c5 8.bc5 dc5 9.Ne5 Be5 (9...cd4 10.Qd4 Qd4 11.Bd4=) 10.de5+= Ng5 11.e4 (11.Nc3 Nc6+=) 11...Nc6 (11...Nh3 12.Bh3 Bh3 13.Re1=+) 12.f4 (12.Qc1 Ne6=) 12...Ne6 (12...Nh3!? 13.Bh3 Bh3 14.Qd8 Rad8-/+ (worse 14...Nd8 15.Rd1=)) 13.f5 Ned4 14.c3 Nb5 15.a4 (15.Qe2 Qb6 16.e6 c4 17.Kh1 Nd6+=) 15...Nc7 16.c4 Nd4 (16...Qd1 17.Rd1 gf5 18.Nd2=) 17.Bd4 (17.a5 gf5 18.Bd4 Qd4 19.Qd4 cd4 20.ef5 Rb8+=) 17...cd4 (17...Qd4 18.Qd4 cd4 19.Rd1 gf5 20.ef5 Bf5 21.Rd4+=) 18.f6 (18.Ra3!?+=) 18...ef6 19.ef6 Re8 20.Qd2 Qd6 (20...Ne6 21.Na3=) 21.Nc3+= Qc5 22.Nd5 Nd5 (better 22...Ne6!?+=) 23.cd5+/- d3 24.Kh1 Bg4 25.Qd3 Rac8 26.h3 Bd7 27.Qd2 Qd6 28.Rac1 (28.Qh6 Qf8 29.Qf8 Kf8+-) 28...h5? (better 28...Rc1!? 29.Qc1 Ba4+-) 29.Rc8+- Rc8 30.Qg5 (30.e5 Qf8+-) 30...Re8 31.Re1 (better 31.Qh6!? Qf8 32.Qf8 Kf8 33.a5+-) 31...Re5+/- 32.Qf4 g5 33.Qf3 (33.Qf2 b6+/-) 33...g4 34.hg4 hg4 35.Qf4 Rh5 36.Kg1 Qc5 (36...Qf4 37.gf4 b6 38.Rc1+-) 37.Qe3 Qe3 38.Re3 Re5 (38...Ba4 39.e5 Bb5 40.e6 fe6 41.de6+-) 39.Rc3 (39.Rb3 b6 40.a5 ba5+-) 39...Ba4 40.Rc7 Bc2?? (40...Kh7 41.Rf7 Kg6 42.Rb7 Kf6 43.Ra7+-) 41.Re7 (better 41.Rc2 Re8 42.Rc7 a5+-) 41...Rg5? (better 41...Re7 42.fe7 Ba4+-) 42.e5 Bf5 (42...Ba4 43.d6 (43.Rb7?! Re5 44.d6 a6+-) 43...a5 44.Bd5+-) 43.d6 a5 (43...Kh8 44.Rf7 Rg8 45.Rb7+-) 44.Bd5 (better 44.Be4! Be4 45.d7 Bg6 46.d8Q Kh7+-) 44...Bg6 (44...Kh8+-) 45.d7 (45.d7 Kh7 46.d8Q Rh5 47.Qf8 Rh1 48.Kh1 b5 49.Qg7) 1-0. chesserstein (2310) - bvm67 (2125), Rated Blitz game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

7.Nbd2 Bf5 8.Nh4 Nd2 9.Nf5 Nc4 10.Ng7 Nb2 (worse 10...Kg7 11.Bb7 Nb2 12.Qc1+/-) 11.Qb1 (11.Qc1!? c6 12.Qb2 Kg7 13.c4+=) 11...Nc4= (worse 11...Kg7 12.Bb7 (12.Qb2?! c6+=) 12...Nd7 13.Qb2+/-) 12.Bb7 Nd7 13.Qb3 (13.Nh5 gh5 14.Ba8 Qa8=) 13...Ndb6 (13...Rb8 14.Bd5 Ncb6 15.Ne6 fe6 16.Be6 Kg7 17.d5-/+) 14.a4 (14.Nh5 gh5 15.Ba8 Qa8=) 14...Rb8 (worse 14...Kg7 15.a5 Rb8 16.Bc6+=) 15.Ba6 d5 16.a5 (16.Nh5 gh5 17.a5 Nc8 18.Bc4 dc4 19.Qc4 Nd6=+) 16...Nd7 (16...Na8 17.Nf5 gf5 18.Bc4 dc4 19.Qc4-/+) 17.Ne6 fe6 18.Bc4 dc4 19.Qc4 Nf6 20.Qe6 Kg7 21.c3 Qd6 22.Qe3? (better 22.Qd6!? ed6 23.f3=) 22...Nd5 (22...Ng4!? 23.Qg5 Nf2 24.Rf1-+) 23.Qd3 e5 (23...Qc6 24.0-0 Qc3 25.Qe4-/+) 24.0-0=+ Rbe8 (24...e4!? 25.Qc4 Rf6-/+) 25.e4= Nf6 26.d5 (26.f3 c6=) 26...Nh5 (26...c6 27.Rfd1=+) 27.Rab1 Qf6 (27...Rb8 28.Qe3 a6 29.f3=) 28.f3 (28.Qe3 a6+=) 28...Qg5 29.Rb2 Nf4 30.Qa6 Nh3 (30...Ra8 31.Qc4=) 31.Kh1 (31.Kg2!? Nf4 32.Kh1+/-) 31...Qh5 32.Qa7 (better 32.g4 Qg5 33.Qa7+=) 32...Rf3-+ 33.Qc7 Kh6 34.Rfb1 (34.Ra1 Nf2 35.Kg2 Ref8-+) 34...Ref8 (better 34...Rf2 35.Rf2 Nf2 36.Kg1 Qf3 37.Qc8 Rc8 38.h3 Qh1 39.Kf2 Rf8 40.Ke2 Qe4 41.Kd1 Rf2 42.b5 Qb1) 35.Qd7 (35.Qc5 Qg4 36.Kg2-+) 35...Rf1 36.Kg2 R8f2 37.Rf2 Rf2 38.Kh1 Qf3 0-1. chesserstein (2255) - caiosparov (2030), Rated Blitz game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 d6 6.d4)

7.a3 ab4 8.ab4 Ra1 9.Ba1 c6 10.c4 e5 11.d3 Bg4 12.Nbd2 Nbd7 13.h3 Bf3 14.Nf3 Nh5 15.b5 (15.Qd2 Qb6 16.e3 Ra8+=) 15...f5 (15...cb5 16.cb5 Qb6 17.e3+=) 16.bc6 bc6 17.Nd2 Qb6 18.Qb1 Rb8 19.Qb6 Rb6 20.Rb1 Rb1 21.Nb1 Nb8 22.Bc3 Nf6 23.Ba5 d5 24.Bd8 Nbd7 25.cd5 cd5 26.Bf6 Nf6 27.Nc3 d4 28.Nd5 Kf8 29.Nf6 Bf6 30.h4 Ke7 31.Bf3 h6 32.Bd5 Kd6 33.Bf7 g5 34.Bg6 f4 35.hg5 hg5 36.g4 Kc5 37.Kg2 Kb4 38.Kf3 Kc5 39.Ke4 Kd6 40.Kf5 Bd8 41.Bf7 Be7 42.Kg6 Bd8 43.Be8 Ke7 44.Bc6 Kd6 45.Bb7 Kc7 46.Be4 Kd6 47.Bf3 Ke6 48.Be4 Kd6 49.Kf5 Be7 50.Ba8 Bd8 51.Ke4 Be7 52.e3 de3 53.fe3 fe3 54.Ke3 Bd8 55.Ke4 Bb6 56.Kf5 Be3 57.Ke4 Bf4 58.d4 ed4 59.Kd4 Ke6 60.Ke4 Kf6 61.Kf3 Ke6 62.Bb7 Ke5 63.Be4 Kd4 64.Ba8 Ke5 65.Be4 Kd4 66.Ba8 Ke5 67.Bb7 Kd4 68.Be4 Ke5 69.Ba8 Kd4 70.Be4 Ke5 71.Ba8 Kd4 72.Be4 ½–½. wrewro – carocan (1755), kurnik, 2011.

7.a3 Ne8 8.Bg7 Ng7 9.b5 Bd7 10.c4 c6 11.a4 Qc8 12.Nc3 Bh3 13.Qb3 Bg2 14.Kg2 Nd7 15.d4 Rb8 16.Rac1 Nf6 17.Qc2 Re8 18.Ne4 Nfh5 19.d5 cd5 20.cd5 Qg4 21.e3 Rec8 22.Qd3 f5 23.Nc3 Qc4 24.Qd4 Nf6 25.Rfd1 Qb4 26.Ne2 Qd4 27.Rd4 Rc1 28.Nc1 Rc8 29.Nb3 b6 30.Rd2 Rc4 31.Rd4 Rc3 32.Nfd2 Nfe8 33.Rc4 Rd3 34.Rc6 Rd5 35.Rb6 Ne6 36.Nf3 Rd3 37.Na5 Ra3 38.Nc6 Ra4 39.Ne7 Kf7 40.Nd5 Ra7 41.Nd2 Nc5 42.Nc4 Ke6 43.Nf4 Kd7 44.Rb8 Rb7 45.Re8 Ke8 46.Nd6 Kd7 47.Nb7 Nb7 48.Nd5 Ke6 49.Nc3 g5 50.f4 g4 51.h3 h5 52.hg4 hg4 53.e4 fe4 54.Ne4 Kf5 55.Nc3 Nd6 56.Kf2 Nc4 57.Nd5 Ke4 58.b6 Nd6 59.Ne3 Kd4 60.Ng4 Kc5 61.Kf3 Kb6 62.Ne5 Kc7 63.g4 Kd8 64.f5 Ke7 65.Kf4 Nb5 66.g5 Nd4 67.Ke4 Ne2 68.Ng6 Kf7 69.Ke5 Ng1 70.Nh4 Nh3 71.g6 Kf8 72.f6 Ng5 73.Kf5 Nh3 74.Nf3 Kg8 75.Ne5 1–0. Cangiotti,Claudio – Benvenuti,Carlo, Ch Italy team, 1994. (=1.Nf3 d6 2.g3 Nf6 3.Bg2 g6 4.b4 Bg7 5.Bb2 0-0 6.0-0 a5)

8.Nc3 Bd7=.

8.d3 ab4=+ 9.ab4 Ra1 10.Ba1 Qb6 11.c3 Na6 (11...Nd5 12.Qd2=) 12.Nbd2 d5 13.e4 (13.Qb3 Re8=) 13...de4=+ 14.de4 Rd8 15.Qb1 h5 (15...Be6 16.Nd4 Ng4 17.h3=) 16.Nd4= h4 17.Nc4 (17.e5 h3 18.Nc4 Qc7=) 17...Qc7=+ 18.e5 h3 19.Bf3 Ng4 (19...Nd5!?=) 20.e6+– Ne5 (20...Be6 21.Ne6 Combination; 20...fe6 21.Qe4 Double attack (21.Qg6 Deflection; 21.Bg4 Decoy; 21.Bg4 Interception)) 21.ef7 Kf7 22.Ne5 Qe5 23.Re1 Qd6 (23...Qf6 24.Bd1+=) 24.Qa2 (24.Qb3 e6 25.Rd1+=) 24...Kf8 (24...e6!? 25.Rd1 c5 26.bc5 Nc5+=) 25.Re6!+– Qd7 (25...Be6 26.Ne6 Deflection) 26.Rg6 Qe8 (26...Nc7 27.Rg5 Qd6 28.Qe2+–) 27.Bh5 e5?? (27...Rd5 28.Rf6! Bf6 29.Be8 Ke8+–) 28.Rg7! Be6 (28...Kg7 29.Be8 Discovered attack (29.Be8 Deflection; 29.Be8 Overloading)) 29.Ne6 (29.Ne6 Qe6 30.Rf7 Kg8 31.Qe6 e4 32.Qg4 Kh8 33.Qg7; 29.Qe6 Kg7 30.Nf5 Kf8 31.Qh6 Kg8 32.Qg7) 1–0. Schettler,Juergen (2190) – Gkogkas,Dimitrios (2245), Komotini, 1993. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 a5)

8.d3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qd2 e5 12.Na3 Be6 13.Ng5 Bh6 14.h4 Nd5 (14...Na6!?=) 15.Nc4+= Qb4 (15...Bg5 16.hg5 Qc7 17.d4+=) 16.Qb4+/- Nb4 17.Ne6 fe6 18.Nd6 Nc2 19.Be5 Nd7 (19...b5 20.Bh3 Bg7 21.Be6 Kh8 22.f4+/-) 20.Bc3+- Nc5 (20...Bg7 21.Bg7 Kg7 22.Rb1+-) 21.Rb1 Na4 (21...Ra8 22.Nb7 Na4+-) 22.Be5 c5 (22...b5 23.Bc6 Bg7 24.Bg7 Kg7 25.Rb5+-) 23.Rb7 Nd4 24.Bh3 (24.Kf1 Nf5+-) 24...Nf5 (24...Nc3 25.Be6! Ne6 26.Bc3 Nd4+-) 25.e4 Bg7 (25...Nd4 26.Bd4 cd4 27.Be6 Kh8+-) 26.Bg7 (better 26.ef5 Be5 27.fg6 hg6 28.Be6 Kh8 29.Nf7 Rf7 30.Bf7+-) 26...Ng7 27.Nc4 (27.e5 Nc3+-) 27...Nc3 28.Ne5 (28.Rc7 Rd8+-) 28...Ne2 29.Kg2 Nd4 (better 29...Rc8+-) 30.Rc7 Nb3 (30...Ra8 31.Rc5 Kf8 32.Rc4+-) 31.Nd7 Rd8 32.Nf6 Kh8 (32...Kf8 33.Nh7 Kg8 34.Nf6 Kf8 35.Nd7 Ke7 36.Nc5 Kd6 37.Rg7 (37.Nb3?! Kc7 38.d4 Ra8+-) 37...Nc5 38.f4+-) 33.h5! gh5 (33...gh5 34.Be6 Combination; 33...Nh5 34.Rh7 Mate attack) 34.Be6 Nd4 35.Bd5 (35.Bc4 h6+-) 35...Nb5 (35...Nc2 36.Bc4+-) 36.Rb7 (36.Rc5 Nd4+-) 36...Nd6 (36...Nc3 37.f4+-) 37.Re7 (37.Rd7 Rd7 38.Nd7 Nb5+-) 37...Nc8 (37...h4 38.gh4 Nde8 39.Ne8 Ne8 40.f4+-) 38.Rf7 (38.Rc7 Nb6+-) 38...h4 39.gh4 Nd6 40.Rd7 Rd7 41.Nd7 Nb5 42.Nc5 Nd4 (42...Nh5 43.Bf7 Nf4 44.Kf3+-) 43.e5 (43.Bf7 h5+-) 43...Nh5 (43...Ngf5 44.Kh3 Ne7+-) 44.e6 (better 44.Be4+-) 44...Nf4=+ 45.Kg3 Nd5 46.Kg4 Ne7 (46...Kg7 47.Ne4=+) 47.Kg5 (better 47.Kf4+=) 47...Ne6?? (better 47...Kg7=+) 48.Kf6 (better 48.Ne6 Kg8 49.Kf6 Nd5 50.Ke5+-) 48...Nc5-+ 49.Ke7 Nd3 50.f4 Nf4 0-1. Sadovsky,Artem (2405) - Ristic,Neb2 (2285), Titled Arena Apr 3rd, 2021. (=1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 0-0 5.b4 d6 6.Bb2)

8.c4 e5 9.d3 Nbd7 10.Na3 (10.Nc3 a3 11.Bc1 e4=) 10...Nc5 (10...Re8 11.Nc2=) 11.Nd2 (11.Nc2 Re8=) 11...Be6 (11...Re8 12.Nc2=) 12.Nc2 (12.Bc3 Qe7=) 12...Qd7 (12...Re8 13.Rb1=) 13.Rb1 (13.f4 ef4 14.Bf6 Bf6+=) 13...c6 (13...Bh3 14.f4 Bg2 15.Kg2=) 14.Na3 Nh5 15.Ne4 Ne4 16.Be4 f5 17.Bg2 f4 18.Qd2 Bh3 19.Bc3 Bg2 20.Kg2 Qg4 21.f3 Qg5 22.g4 Nf6 23.Qe1 Nd7 24.bc6 bc6 25.Qf2 Rfb8 26.Rb8 Nb8 27.Rb1 Qe7 28.Qb6= Qd7 29.Qb7 Qb7 30.Rb7 Bf6 31.Bb4 c5 32.Be1 Nc6 33.Nb5 Nd4 34.Kf1 Ra6? 35.Nc7+– Rc6 36.Nd5 Bd8 37.Rb8 Ne6 38.Ne7 (38.Ne7 Kf7 39.Nc6+–) 1–0. algernon (2165) – vanadis (2345), net–chess.com, 2008.

8.d4 c6 9.c4 cb5 10.cb5 Nbd7 11.Na3 Nb6 12.Re1 (12.Ne1 d5=) 12...Bf5 (12...Bg4 13.h3 Bf5 14.Ng5+=) 13.Nh4= Be4 14.f3 Bd5 15.e4 Be6 (15...Bc4 16.Qd2=) 16.Bf1 (16.d5 Bd7+=) 16...Rc8 (16...Bh6 17.d5 Bd7 18.f4=) 17.Ng2 (17.d5 Bd7+=) 17...Bh3 (17...Nh5 18.Ne3=) 18.Qd2 Nfd7 19.Rac1 e5 20.Rc8 Qc8 21.Rc1 Qd8 22.Be2 d5 23.ed5 (23.de5 de4 24.fe4 Ne5=) 23...Bg2 24.Kg2 ed4 25.Nc2 Re8 26.Bd4 (26.Nd4 a3 27.Ba1 Nd5+=) 26...Bd4 27.Nd4 Nd5 28.Nc2 (28.Bd3 N7f6 29.Kg1 Qd6+=) 28...Nc5 (28...N7b6 29.Kh1+=) 29.Rd1 Qf6 30.Bc4 Nb6 31.Bf1 Ne6 32.Qf2 h5 33.h4 (33.Nb4 h4=) 33...Rc8 34.Nb4 Rd8 35.Rd8 Qd8 36.a3 (36.Qe3 Nd5 37.Qe4 Nc3=) 36…Nd5+= ½–½. Smyslov,Vassily – Littlewood, Hastings, 1963.

8.a4 Nb6 9.Na3 (9.d3 e5=) 9...Bf5 (9...Na4 10.Bd4-/+) 10.d3 (10.c4 e5=) 10...e5 (10...Na4 11.Bd4=+) 11.e4 (11.c4 Re8=) 11...Bg4 (11...Na4 12.ef5 Nb2 13.Qd2-/+) 12.h3 (12.c3 Nfd7 13.Nc2 Nc5=) 12...Be6 (12...Na4 13.Bc1 Bd7 14.Be3-/+) 13.c4 h6 14.Nc2 Qd7 15.Kh2 c6 16.Qe2 cb5 17.ab5 (worse 17.cb5 Na4 18.Ncd4 Nb2 19.Ne6 fe6 20.Qb2 Rfc8-/+) 17...a4 18.Rfd1 Rfc8 19.Na3 Ne8 20.d4 (20.Bc1!?=) 20...ed4 (worse 20...Nc4 21.d5 Bd5 22.ed5 Nb2 23.Qb2+=) 21.Bd4 Bd4 (21...Nc4 22.Bg7 Kg7 23.Rd4=+) 22.Nd4 (better 22.Rd4 Qc7 23.Qe3+=) 22...Nf6?? (better 22...Nc4 23.Nc4 Bc4=+) 23.e5+- (23.Ne6?! Qe6 24.e5 Rd8+/-) 23...Ne8 24.ed6?? (24.Ne6 fe6 25.Qe4 d5 26.Qg6 Ng7 27.cd5 Nd5+-) 24...Nc4? (24...Bc4 25.Qe7 Rc7+/- (25...Nd6? 26.Qd7 Nd7 27.Ndc2 Nb5 28.Rd7+-)) 25.Ne6+- Qe6?? (25...Na3 26.Ra3 fe6+-) 26.Qe6 fe6 27.d7 (27.Bb7?! Ncd6 28.Bc8 Rc8+-) 27...Na3 28.dc8Q (28.de8N?! Nb5 29.Nf6 Kf7+-) 28...Rc8 29.Ra3 Nf6 30.Ra4 Kf7 (30...Nd5 31.Bd5 ed5 32.Rd5+-) 31.Bb7 Rc7 32.Ra7 h5 (32...Nd7 33.Rd7! Rd7+-) 33.b6 Re7 34.Bc8 Ra7 35.ba7 Nd5 36.a8Q Nc7 37.Qb7 (37.Rd7 Ke8 38.Qf3 e5 39.Qf7) 37...Kf6 (37...Kg7 38.Qc7 Kh6 39.Qf4 Kh7 40.Rd7 Kg8 41.Qf7 Kh8 42.Qe8) 38.Qc7 (38.Qf3 Kg7 39.Rd7 Kh6 40.Qf4 g5 41.Qf6) 38...h4 (38...g5 39.Qd7 Kg6 40.Qe6 Kg7 41.Rd7 Kf8 42.Qf7) 39.Rd6 (39.Qd8 Kf5 40.Qf8 Kg5 41.f4 Kh5 42.g4) 39...hg3 (39...Kg5 40.Qe7 Kh6 41.Qh4 Kg7 42.Rd7 Kf8 43.Qd8) 40.Kg3 Kg5 41.Re6 Kh5 (41...Kh6 42.Qf7 Kg5 43.Qg6) 42.Qe5 (42.Qh7 Kg5 43.Qg6) 42...Kh6 43.Qh8 Kg5 44.f4 (44.Re5) 44...Kf5 45.Re5 (45.Qf6) 1-0. geochess (2075) - AsChess (2120), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 d6 5.Bb2 0-0 6.0-0)

8.a4 c5 9.d3 (9.c4 Nb6 10.d3 e5=) 9...c4 (9...e5 10.c4=) 10.dc4+= Nb6 11.Nbd2 Qc7 12.e4 (12.c5 dc5 13.Be5 Qd8=) 12...Be6 (12...Nc4 13.Nc4 Qc4 14.Re1=) 13.e5 de5 14.Be5 Qc8 15.c5 (15.Bd4 Nc4 16.Nc4 Bc4=) 15...Qc5 16.Nb3 Bb3 17.cb3 Rfd8 18.Qe2 Qb4 19.Rac1 Rd7 20.Bc7 Nbd5+= 21.Rc4 Qb3 22.Rfc1 Nb4?? 23.R4c3?? Qa4 24.Be5 Rad8 25.Rc4? Qb5 26.Bc3 Nd3 27.Bf6 Nc1 28.Qc2 Rd1 29.Bf1 Bf6 0–1. gbsrao (2180) – firesparrow (2165), net–chess.com, 2006.

8.a4 e5 9.d4 =.

8.c4 Nb6 =.

8.c4 Nc5 9.d4 Nce4 10.Nbd2 Nd2 11.Nd2 Rb8 12.e4 b6 13.e5 de5 14.de5 Ng4 15.f4?? (better 15.Qe2+=) 15...Ne3-/+ 16.Qe2 Nf1 17.Rf1 h5 18.Ne4 Bg4 19.Qf2 Qd3 20.h3 (20.Qd4 Rfd8 21.Qd3 Rd3-/+) 20...Bf5 (20...Bh3 21.Bh3 Qe4 22.Ba3-+) 21.Qf3 (21.Nc3!? Qc4 22.Rc1-/+) 21...Qc4 22.Ng5? (22.Nc3 Rfd8 23.Rd1 Rd1 24.Qd1 h4-+) 22...Qb4 (22...Qb5 23.Qf2-+) 23.Rf2 (23.Ba3 Qb5 24.Be7 Rfe8-+) 23...Rbd8 (23...Qb5 24.g4 hg4 25.hg4-+) 24.g4 Bd7 25.f5? (25.Ba3 Qb1 26.Kh2 hg4 27.hg4-+) 25...Bb5 (25...Qb5?! 26.fg6 fg6 27.Qd5 Qd5 28.Bd5 e6 29.Ne6 Be6 30.Be6 Kh7 31.Bf7-+) 26.e6 (26.gh5 Qe1 27.Bf1 Bf1 (worse 27...Be5 28.hg6 Rd3 29.gf7 Rf7 30.Rg2-+) 28.Rf1 Qh4 29.Nf7 Kf7 30.hg6 Kg8-+) 26...Qe1 27.Kh2 Bb2 28.ef7 Rf7 (28...Kh8 29.Rb2 Qe5 30.Qg3 Qb2 31.Ne6 gf5 32.Nd8-+) 29.Rb2?? (29.Nf7 Rd3 30.Re2 Qe2 31.Qe2 Rh3 32.Bh3 Be2 33.fg6-+) 29...Qe5 30.Qg3 Qb2 31.fg6 (31.Nf7 Kf7 32.fg6 Kg6 33.gh5 Kf7 34.Qg6 Kf8 35.Qh6 Ke8 36.Qg6 Kd7 37.Qe4-+) 31...Rf6 (31...Rf2 32.Ne4 Rc2 33.gh5-+) 32.gh5 (32.Nf7 Rd2 33.Nh6 Kg7 34.Nf5 Rf5 35.gh5 Rg2 36.Qg2 Rf2 37.Kg1 Rg2 38.Kh1 Rh2 39.Kg1 Qf2) 32...Kg7 (better 32...Bc6 33.h6 Rg6 34.Qb3 Qb3 35.ab3 Rd2 36.h7 Kh8 37.Nf7 Kh7 38.Ng5 Rg5 39.h4 Rdg2 40.Kh3 R5g3) 33.Nf7 Bd7 (better 33...Rf7 34.h6 Kf6 35.gf7 Kf7-+) 34.h6 Kg8?? (34...Kf8 35.Nd8 Bf5-+ (35...Qa2 36.h7 Qg8 37.hg8Q Kg8 38.Qc7 Rg6 39.Qd7 Kf8 40.Qf5 Rf6 41.Ne6 Ke8 42.Qh5 Rg6 43.Qg6 Kd7 44.Nf8 Kd8 45.Qc6 a4 46.Ne6)) 35.h7 Kg7 36.Qe3 (36.Qe3 Rg6 37.Qe5 Qe5 38.Ne5-+). geochess (2070) - AsChess (2125), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 d6 5.b4 0-0 6.Bb2)

8.c4 e5 9.d3 Nc5 10.Nc3 Bg4 11.h3 (11.Ng5 Bf5=) 11...Bd7 12.Rb1 Qc8 (12...Re8 13.Ng5=) 13.Kh2 (13.h4 Bh3=) 13...c6 (13...Re8 14.Ng5=) 14.e4 (14.Ba3 e4 15.Ne5 de5 16.Bc5 Re8 17.bc6 Bc6 18.de4 Bd7+=) 14...Nh5 (14...cb5 15.cb5 Qc7 16.d4 ed4 17.Nd4=) 15.bc6 bc6 16.Ba3 Nb7 (16...Qc7!?=) 17.Na4+= Qc7 18.Nb6 Rab8 (18...Rad8 19.Qd2+–) 19.d4 (19.Nd7 Qd7 20.d4 Rfd8+–) 19...ed4 (19...Rfd8 20.Nd7 Rd7 21.Re1+=) 20.Nd4 (better 20.Nd7!? Qd7 21.Nd4+–) 20...Nc5+= 21.Nd7 Qd7? (better 21...Rb1!? 22.Qb1 Nd7+=) 22.Rb8+– Rb8 23.e5! Rb6? (23...de5 24.Nc6 Double attack (24.Bc6 Discovered attack; 24.Bc5 Deflection; 24.Nc6 Decoy); 23...Be5 24.Nc6 Double attack (24.Bc6 Discovered attack; 24.Nc6 Decoy)) 24.ed6+– Qd6 25.Nf5!! Qd1 (25...gf5 26.Qf3 Double attack (26.Qd6 Discovered attack; 26.Qh5 Deflection; 26.Qf3 Decoy)) 26.Ne7 (26.Rd1?! Bf8 27.Nd6 Ne6+–) 26...Kh8 27.Rd1 Ne6 28.Nc6 (better 28.c5 Rb7 29.Nc6+–) 28...Bc3? (28...Bf8 29.Bf8 Nf8+–) 29.c5 Rb5 30.Nd8 Nd8 (30...Nc5 31.Nf7 Kg7+–) 31.Rd8 Kg7 32.c6 Be5 33.f4 (33.f4 Nf4 34.gf4 Bf4 35.Kg1+–) 1–0. Haub,TM (2410) – Nortier,Julien (1660), 32nd Avoine Open, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 a5 7.b5 Nbd7)

8.d3 Nc5 9.a4 e5 10.e4 Nfd7 11.Nc3 Nb6 12.Nd2 f5 13.Nb3 Nb3 14.cb3 f4 15.gf4 Rf4 16.Bc1 Rf7 17.Be3 Be6 18.Rc1 c5 19.bc6 bc6 20.Ne2 c5 21.f4 Bh6 22.Qd2 Bb3 23.fe5 Be3 24.Qe3 de5 25.Rf7 Kf7 26.Qc5 Kg8 27.Qe5 Qd3 28.Rc7 Nd7 29.Qe7?? Qd1 30.Kf2+= Rf8 31.Ke3 Rf7 32.Qd8 Kg7 33.Bh3 Ne5 34.Rf7= Nf7 35.Qd1 Bd1 36.Nc3 Bc2 37.Kd4 Kf6 38.e5 Ke7 39.Nd5 Kd8 40.Nf6 Ke7 41.Bd7+= Ng5 42.Bc6 Bd1 43.Nd5 Ke6 44.Nc7 Ke7 45.Nd5 Ke6 46.Nc7 Ke7 47.Nd5 ½–½. Garrido,Andres G – Aguera Naredo,Javier, Asturias–ch1, 1990.

8.d3 Nc5 9.c4 e5 10.Nfd2 Be6 11.Nb3 Na4 12.Ba3 Qc8 13.Qd2 e4 14.Nc3 (14.Na5 Bh3 15.d4= (15.de4? Bg2 16.Kg2 Ne4–+)) 14...Nc3+= 15.Qc3 ed3 16.Qd3 Ng4 17.Rac1 Ne5 18.Qe4 Nc4 19.Rc4 d5 20.Qf3 (20.Qe3!? dc4 21.Bf8 Qf8 22.Nc5–/+) 20...dc4–/+ 21.Bf8 Qf8 (worse is 21...Kf8 22.Nc5 (22.Qb7?? Qb7 23.Bb7 cb3 24.Ba8 ba2–+) 22...c6 23.Rd1+=; worse is 21...cb3 22.Bg7 Kg7 23.ab3+=) 22.Nc1 Rb8 23.Rd1 (23.Qe3!?–/+) 23...Qc5–+ 24.a4 (24.Qf4 Be5 25.Qg5 f6–+) 24...Qb4 25.Qf4 Qa4 26.Rd2 Qb5 27.Qc7 Be5 (27...Be5 28.Qe7 Qb4–+) 0–1. Haller,Matthias – Kiss,Ge, Balatonalmadi op–A, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 a5 7.b5 Nbd7)

8.d3 e5 9.c4 e4 10.Nh4=.

8.d3 e5 9.c4 Nc5 10.Nbd2 Re8 11.Ng5 Bg4 12.h3 Bf5 13.g4 Bc8 14.Nde4 Nfe4 15.Ne4 Ne4 16.Be4 f5 17.Bd5 Kh8 18.e3 Qh4 (18...fg4 19.hg4 Qg5 20.Bf3=+) 19.Qf3 (19.gf5 Bf5 (worse 19...gf5 20.Kh2+=) 20.Bb7 Bh3=+) 19...fg4 20.hg4 Bg4 (20...Rb8!?=+) 21.Qg3= Qg3 22.fg3 Bh6 23.Bb7 (23.Rae1!?=) 23...Be3 24.Kg2 Rad8 25.a4 Rf8 26.Bf3 Bf3 27.Rf3 Rf3 28.Kf3 Bc5 29.Bc3 Rf8 (29...Ra8 30.Ke4=+) 30.Ke4= Bb6 (30...Ra8 31.Kd5 Bb6 32.Kc6+=) 31.d4 (31.c5 Bc5 32.Ba5 Bb6 33.Bb6 cb6+=) 31...ed4=+ 32.Bd4 Bd4 33.Kd4 Rf3 34.Kd5 Rg3 35.Rc1? (35.Kc6 Rc3 36.Kc7 Rc4 37.Kb6+/-) 35...h5?? (better 35...Rg5 36.Kd4 Kg7-+) 36.Kc6+/- h4 37.Kc7 h3?? (better 37...Ra3+/-) 38.b6+- (38.Kd6?! Rd3 39.Kc7 Ra3+-) 38...Rb3 39.b7 g5 40.b8R Rb8 41.Kb8 g4 42.Rh1 Kg7 43.Kc7 Kf6 44.Kd6 Kf5 45.c5 Kf4 46.c6 Kg3 (46...g3 47.c7 g2+-) 47.c7 Kg2 (47...Kf4 48.c8Q Ke3 49.Qc3 Kf4 50.Rf1 Ke4 51.Kc5 g3 52.Qd4) 48.Rc1 (48.Rb1 Kh2 49.c8Q Kg3 50.Qc3 Kf4 51.Rf1 Ke4 52.Kc5 g3 53.Qd4) 48...g3 (48...Kf2 49.c8Q Kf3 50.Qc3 Ke4 51.Qe5 Kf3 52.Rc3 Kg2 53.Qe2 Kg1 54.Rc1) 49.c8Q h2 (49...Kf3 50.Qf5 Ke3 51.Rc3 Ke2 52.Qd3 Ke1 53.Rc2 h2 54.Qe2) 50.Qc6 Kh3 (50...Kf2 51.Rc2 Ke3 52.Ke5 h1Q 53.Qc3) 51.Qf3 (51.Qe4 h1Q 52.Rh1) 51...Kh4 52.Rc4 (52.Rc5 h1Q 53.Rh5) 52...Kh3 53.Qf5 (53.Qf1 g2 54.Qd3) 53...Kg2 54.Rc2 Kg1 55.Qc5 (55.Rc1 Kg2 56.Qf1) 55...Kf1 56.Qc4 (56.Qb5 Kg1 57.Qb1) 56...Kg1 57.Qd4 Kf1 (57...Kh1 58.Qd1) 58.Qd1 1-0. watusi (2095) - Pitrinu (2095), Rated Blitz game, lichess.org, 2015. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 d6 6.0-0)

8.d3 e5 9.c4 Nh5 10.Nfd2 (10.Ne1 Kh8=) 10...f5 11.Nc3 (11.e3 a4=) 11...Ndf6 (11...Kh8 12.Bf3=) 12.Rc1 (12.h3 Bh6=) 12...Rb8 (12...f4 13.Ra1=) 13.Qb3 (13.h3 Rf7+=) 13...Be6 (13...Kh8 14.Qa3 Ra8 15.Nb3+=) 14.b6 (14.e3 Bh8=) 14...c6 (14...cb6 15.Ba1=) 15.Na4 (15.e3 Ng4=) 15...Bh6 (15...f4 16.Qc2=) 16.Rcd1 (16.e3 f4 17.ef4 Nf4 18.gf4 Bf4+=) 16...Nd7 (16...f4 17.d4 ed4 18.Bd4+=) 17.Ba3 (17.e3 f4 18.ef4 ef4+=) 17...Qe7 18.Qc3 g5 (18...Bd2 19.Qd2 Ndf6 20.c5=) 19.Qa5 (19.Nb3!?+/–) 19...Ra8 20.Qb4 c5? (20...Rfe8 21.Kh1+/–) 21.Qb3+/– Ndf6 (21...Rfb8 22.Ra1+/–) 22.Nc3 (22.Rb1 f4+/–) 22...Ra6 (22...f4+/–) 23.Nd5 (23.Rb1!?+/–) 23...Nd5 (23...Bd5 24.cd5 (24.Bd5?! Kh8=) 24...Nd7 25.Nc4+=) 24.cd5 Bd7 25.Ra1 Bg7 26.Bb2 Ba4 27.Qc3 Rb6 28.Qc1 Ra8 29.Nc4 Rba6 30.Qd2 b5 31.Ne3 f4 32.Nf5+= Qf7 33.e4 b4 34.Bh3? Bd7–/+ 35.Qe2? Bf8?? 36.Qg4 Qg6 37.Nh6 Bh6 38.Qd7+= Nf6 39.Be6 Kf8 40.Qb7 Qg7 41.Qb5 Ra2 42.Ra2+= Ra2 43.Be5 de5 44.d6 Ra8 45.Qc5+= 0–1. Lemos,Damian – Cuberli,Emiliano, Magistralito Najdorf U14, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 a5 7.b5 Nbd7)

8.d3 e5 9.Nfd2 Bh6=.

8.c4 Nbd7 9.d3 Nc5 10.e4 Ne8 11.a4 f5 12.Nc3 f4 13.Nd5 c6 14.Nc3 Bg4 15.Ba3 Ne6 16.Ne2 fg3 17.fg3 Ng5 18.Ng5 Qg5 19.Rf8 Bf8 20.Bc1 Qh5 21.Ra2 Bh6 22.Qf1?? (better is 22.Bh6 Qh6 23.Qd2 Qd2 24.Rd2=) 22...Be2–+ (22...Be2 23.Re2 Bc1–+) 0–1. Ollemsolrac – steveberkley, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 a5)

8.c4 Be6 9.d3 h6 10.Nc3 Qd7 11.Re1 (11.d4 e4 12.Nd2 d5+=) 11...Bh3= 12.Bh1 Nh5 (12...Qe6 13.Nd2 c6 14.Qa4=) 13.Nd2 f5 (better 13...c6!?=) 14.Bb7+/- Ra7 15.Bh1 f4 16.Nde4 Kh7 (16...fg3 17.hg3 Nf6 18.Bc1+-) 17.Nd5 (17.b6 cb6 18.Ba3 fg3 19.hg3 Nf6+-) 17...c6 (17...fg3!? 18.hg3 Be6+/-) 18.bc6+- Nc6 19.Rb1 (19.Ba3 Nb4 20.Nb4 ab4 21.Bb4 Ra6+-) 19...Nd4 (19...Nb4!?+/-) 20.Bd4+- ed4 21.Rb6 Be5 22.Bf3 fg3 23.hg3 (23.Ng3?! Bg4+/-) 23...Ng7 (23...Be6+-) 24.Rd6! Qc8 (24...Bd6 25.Ndf6 Double attack) 25.Qd2 Bd6?? (25...Ne6 26.Rb6 Kg7+-) 26.Nef6 (26.Nef6 Rf6 27.Nf6 Kh8 28.Qh6; 26.Nd6?! Qd8 27.Nb5 Raf7+-) 1-0. Hjartarson,J (2520) - Eggleston,T (2175), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0)

8.d3 c6 9.c4 (9.Nc3 Nbd7+=) 9...Nbd7 10.a4 (10.Nc3 Qc7+=) 10...Re8 (10...Nc5 11.Nbd2=) 11.Nfd2 Qc7 (11...Nc5 12.Nc3=) 12.Nc3 Rb8 (12...Nc5 13.Nde4=) 13.Nb3 c5 (13...Nc5 14.Nc5 dc5 15.Qb3=) 14.e4 (14.Bf3 b6+=) 14...Nf8 (14...b6 15.Qe2+=) 15.Bc1 (15.Nd5!? Nd5 16.cd5+–) 15...b6 16.Nd5 Nd5 (16...Qd8 17.Be3=) 17.cd5+= f5 (17...h6 18.Nd2+=) 18.Nd2 h6 (18...Nd7 19.Nc4+=) 19.Nc4+– Nh7 20.f4 ef4 21.Bf4 Rd8 (21...Ba1? 22.Qa1 Rd8 23.Nd6 Rd6 24.Qe5+–) 22.Ra2 (22.Rc1 Bd4 23.Kh1 fe4 24.Bh6 Nf6+–) 22...g5 (22...fe4 23.de4 Ng5 24.e5 Nh3 25.Kh1 Nf4 A) worse 26.Rf4 Be5 (worse 26...de5 27.Rf1+=) 27.Rf1 Bd4=+; B) 26.ed6 Rd6 27.Rf4+–) 23.Bc1 fe4 24.de4 (worse 24.Be4 Nf6+=) 24...Bd7? (better 24...Rf8+–) 25.Bb2+– Rf8 (25...Bb2 26.Rb2 (26.Nb2?! c4+=) 26...Be8 27.e5+–) 26.Bg7 Kg7 (26...Rf1 27.Qf1 Kg7 28.Rf2+–) 27.Qa1 Kg8 28.Raf2 (28.e5 Bf5+–) 28...Rf2 29.Rf2 (29.Kf2?! Rf8 30.Kg1 Rf1 31.Bf1 Be8+–) 29...Bg4 (29...Re8 30.Qf1+–) 30.e5 de5 (30...Rf8 31.Nd6 Rf2 32.Kf2 Qd7+–) 31.d6 Qg7 32.Bd5 (32.Ne5?! Be6+–) 32...Kh8 33.Rf7 (33.Rf7 Re8 34.Rg7 Kg7 35.Ne5+–) 1–0. Ruiz Ledo,Antonio (2040) – Martins,Bruno Andre Leite (2030), 5. Xeque Mate ao Verao Op, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 a5 7.b5 e5)

8.d3 Re8 9.e4 Bg4 10.h3 Be6 11.a4 Qc8 12.Kh2 Nbd7 13.Nbd2 Nc5 14.Re1 Bd7 15.Ra3 Qd8 16.Nb3 Nb3 17.Rb3 Be6 18.c4 Nd7 19.Ra3 Nc5 20.Ra1 h6 21.Rc1 f5 22.Nh4 Kh7 23.d4 Ne4 24.Be4 fe4 25.Re4 Rf8 26.Qd2 g5 27.Ng2 Bf5 28.Re2 e4 29.Ne3 ½–½. Kapote – Letsplay!, ChessWorld.net, 2005.

7.a4 Nc6 8.c3 e5 9.Ba3 b5 10.a5 Bb7 11.Ng5 Ng4 12.Ne4 f5 13.f3 Nh2 14.Nf2 Nf1 15.Qf1 d5 16.Nd3 e4 17.Nc5 Bc8 18.fe4 de4 19.e3 Qd6 20.d4 ed3 21.Nd3 Rb8 22.Nf4 Ne5 23.Bd5 Kh8 24.Ra2 g5 25.Nh5 Qd5 26.Rd2 Qf3 27.Ng7 Qf1 28.Kf1 Kg7 29.Rd5 Nc4 30.Bc1 c6 31.Rc5 Rf6 32.Kg2 Bd7 33.e4 h6 34.e5 Re6 35.Nd2 Nd2 36.Bd2 Rbe8 37.Be3 Re5 38.Bd4 Kf6 39.Kf3 h5 40.c4 h4 41.gh4 gh4 42.cb5 h3 43.Kg3 h2 44.Kh2 f4 45.Kg2 Kf5 46.Be5 Re5 47.Re5 Ke5 48.ba6 Bc8 49.a7 Bb7 50.Kf3 c5 51.Kf2 cb4 52.a6 Ba8 53.Ke2 b3 54.Kd2 f3 55.Kc3 f2 56.Kb3 f1Q 57.Kb4 Qc1 58.Ka5 Qb2 59.Ka4 Kd5 60.Ka5 Kc5 61.Ka4 Qb4 0–1. rryy44 – bil333, kurnik, 2012.

7.c4 c6 8.Nc3 b6 (8...Qb6 9.a3=) 9.b5 (9.a4 d5 10.Qb3 Be6 11.cd5 Nd5 12.Nd5 Bd5+=) 9...ab5 10.cb5 c5 (10...d5 11.Qb3=) 11.d4 Ra7 (11...Nbd7 12.Ne5 de5 13.Ba8 ed4 14.Ne4+=) 12.a4 Nbd7 13.e3 (13.dc5 dc5 14.Qd3 e5=) 13...Bb7 14.Qb3 (14.h3 Qa8=) 14...Qa8=+ 15.Ne1 (15.Qd1 Rc8=+) 15...d5 (15...Bg2 16.Ng2 d5 17.Rfc1–/+) 16.dc5 (16.Nf3 Rc8=+) 16...Nc5 17.Qa2 (17.Qd1 Rd8=+) 17...Nfe4–/+ 18.Be4 de4 (18...Ne4?! 19.Ne4 de4 20.Bg7 Kg7 21.Qb2 Kg8 22.Qd4=) 19.Nc2 (19.Qc4 Rc8 20.Qe2 Bc3 (20...Na4?! 21.Na4 Ra4 22.Bg7 Ra1 23.Ba1 Qa1 24.Ng2–/+) 21.Bc3 Bd5–+) 19...Bc3 (19...Nd3 20.Rfd1–/+) 20.Bc3 Ra4 21.Qb2 Ra1 22.Ra1 Qc8 23.Bd4 Nd3–+ 24.Qb1 Qf5 25.Qf1 Rd8 26.Bb6–/+ Rd6 27.Nd4 Qf6 28.Bc7=+ Rd5 29.b6 e5 30.Ne2 Qf3=+ 31.Ra7? Nf2!–+ 32.Nd4?? ed4 33.Qf2 Qf2 34.Kf2+= de3 35.Ke3+/– Rd3 36.Ke2 Bd5 37.b7 Bc4?? (better is 37...Bb7 38.Rb7 Rd7+/–) 1–0. Zelezny,Jiri – Zakoucky,Otto, Hradec Kralove op, 1997.

7.c4 Nbd7 8.Nc3 Rb8 9.a4 b6 10.Rb1 Bb7 11.d4 e6 12.Qd3 c5 13.bc5 dc5 14.d5 ed5 15.Nd5 Bd5 16.cd5 b5 17.ab5 ab5 18.e4 c4 19.Qe3 Re8 20.Nd4 Nd5 21.Qd2 N5f6 22.Nc6 Qc7 23.Nb8 Rb8 24.Rfd1 b4 25.Bf6 Nf6 26.Rb4 Rd8 27.Qd8 Qd8 28.Rd8 Bf8 29.Rbb8 1–0. mapaj – dinamit3 (1620), kurnik, 2012.

7.c4 e5 8.Nc3 =.

8.a3 e5 9.d4 ed4 10.Nd4 Nd4 11.Bd4 c6 12.Nc3 Be6 13.Qd3 Ng4 (13...Re8 14.Rad1+=) 14.Bg7 Kg7 15.Rfd1 Ne5 16.Qd4 Bc4? (better is 16...f6 17.Qd6 Bc4+=) 17.f4+– (17.Qd6?! Qd6 18.Rd6 Be6=) 17...c5?! (17...Bb3 18.fe5 de5 19.Qe5 f6 20.Rd8 fe5 21.Rd7 Rf7 22.Rf7 Kf7+–) 18.bc5 dc5 (18...Bb3 19.Rdb1 (19.fe5?! dc5 20.Qd8 Rad8 21.Rd8 Rd8+–; worse is 19.cd6 Bd1 20.Rd1 Rc8+–) 19...Qf6 20.fe5 de5 21.Qe3+–) 19.Qe5 Qf6 20.Qf6 Kf6 21.Bb7 Rab8 22.Ba6! Ba6 23.Rd6 Kg7 24.Ra6 Rb3 25.Rc1 Re8 26.Kf2 Rb2 27.a4 h5 28.Rc6 1–0. marre – kaspalesweb, internet, 2010.

8.a3 e5 9.e3 Bg4 10.h3 Be6 11.Qc2 Qd7 12.Kh2 Nh5 13.Ng5 Bf5 14.e4 Be6 15.Ne6 Qe6 16.b5 ab5 17.cb5 Nd4 18.Bd4 ed4 19.Qc7 f5 20.Qb7 fe4 21.Be4 Rab8 22.Bd5 Rb7 23.Be6 Kh8 24.a4 Be5 25.f4 Bf6 26.d3 Bd8 27.Bd5 Ra7 28.Bc6 Ba5 29.Na3 Bc3 30.Rab1 Ra4 31.Nc4 Rd8 32.b6 d5 33.Ne5 Rb8 34.b7 Nf6 35.Rb5 Kg7 36.Nd7 Nd7 37.Bd7 Ra5 38.Rb3 Kf7 39.Bc8 Ke7 40.Rfb1 Ra2 41.Kg1 Kd6 42.Rb6 Kc7 43.Re6 Ra7 44.Re7 Kd8 45.Rh7 Bd2 46.Kf2 Be3 47.Kf3 Ra2 48.Rb5 Rf2 49.Kg4 Rd2 50.Rd5 Ke8 51.Rdd7 Rd3 52.Rh8 1–0. mapaj – pomidor23 (1630), kurnik, 2012.

8.a3 Bg4 9.c4 Qd7 10.Re1 Bh3 11.Bh1 e5 12.Nc3 Rae8 13.e3 h6 14.Qb3 Kh7 15.Rad1 Qf5 16.Nh4 Qd7 17.Nd5 Nd5 18.Bd5 f5 19.Ng2 b6 20.a4 Ne7 21.Bf3 Qe6 22.Qc2 Ng8 23.Nh4 Nf6 24.Bc6 Re7 25.b5 a5 26.Bc3 e4 27.Rd2 ed3 28.Qd3 Ne4 29.Bg7 Kg7 30.Qd4 Qe5 31.Be4 Qd4 32.Rd4 Re4 33.Red1 g5 34.Ng2 Bg2 35.Kg2 Rfe8 36.Kf3 Kf6 37.h3 R8e5 38.R1d2 h5 39.Kg2 Ke6 40.Rc2 Rd4 41.ed4 Re4 42.Rd2 d5 43.c5 bc5 44.dc5 Ra4 45.f3 Rb4 46.Re2 Kf6 47.Rd2 Ke5 48.Re2 Kd4 49.b6 cb6 50.c6 Rc4 51.Re6 b5 52.Rg6 a4 53.Rg5 Rc6 54.Rf5 a3 55.Rf4 Kc3 56.Rf5 a2 57.Rd5 a1Q 58.Rh5 Qb2 59.Kf1 Rd6 60.Re5 Rd1 61.Re1 Qd2 62.Rd1 Qd1 63.Kf2 Qd2 64.Kf1 Qh2 65.g4 Qh3 66.Kf2 Kd4 67.g5 Qh4 68.Kg2 Ke3 69.g6 Qg5 70.Kh3 Kf3 71.Kh2 Qg2# 0–1. sacaniev (1630) – lasker61 (1610), kurnik, 2012.

8.Nbd2 Nb4–/+ 9.a3 Nc6 10.Nc4 Re8 11.e4 Be6 12.Qe2 (12.Ne3 Bd7–/+) 12...d5 (12...Bc4!? 13.dc4 Qd7–/+) 13.ed5 Bd5 14.Rab1 b5 15.Ne3 Ba2 (15...Qd6 16.c4 Bf3 17.Bf3–/+) 16.Ra1 Be6 17.Ng5 Bd5?? (better is 17...Bd7–/+) 18.Nd5+– Nd5 19.Bg7 Kg7+/– 20.Qf3 Nf6 21.Qc6 h6 22.Qa8 Qa8 23.Ba8 Ra8 24.Ne4 Nd5 25.Rae1 e6 26.c4 bc4 27.dc4 Nb6 28.c5 Nd5 29.Rb1 1–0. gbsrao (2255) – morpheas (2220), net–chess.com, 2010.

8.b5 Nc7 9.a4 e5 10.d3 Nh5 11.e4 Ne6 12.Nbd2 Nf6 13.Nc4 Ne8 14.Ne3 f5 15.ef5 gf5 16.Nh4 Nf4 (16...f4 17.Nef5=) 17.gf4+= Qh4 18.Nd5 ef4 19.Bg7 Ng7 20.Qf3 Ne6 21.c3 Rf7 22.Kh1 Bd7 23.Rg1 Kh8 24.Bh3 Raf8 25.Rae1 (25.Bf1 Re8=) 25...b6 (25...Ng5 26.Qf4 Qf4 27.Nf4-/+) 26.Bf1 (26.Rg2 Rg8 27.Rg8 Kg8=) 26...Bc8 (26...Ng5 27.Qe2=+) 27.Qh3 Qh3 (27...Qf2?? 28.Re2 Qe2 29.Be2+-) 28.Bh3 Rg7 29.Rg7 Kg7 30.a5 (30.Rg1!? Kh8 31.Bg2=) 30...ba5-/+ 31.Ra1 Ng5 (31...Bb7 32.Bg2-/+) 32.Nf4 Nh3 33.Nh3 f4 34.Ng5 Rf5 35.Ne4 Rd5 36.Kg2? (better 36.Ra5!? Rd3 37.Ra7 Kg6 38.h4=+) 36...Rd3-+ 37.f3 d5 38.Nd6 Rd2 39.Kg1 Bh3 40.Ra5 Rg2 41.Kh1 Rb2 (41...Rc2 42.Ra7 Kg6 43.Ra1 Bg2 44.Kg1 Bf3 45.b6-+) 42.Ra7 Kf6 (42...Kg6!? 43.Ra1 Kf6-+) 43.Ne8-/+ Kf5 44.Kg1?? (better 44.Rf7 Ke6 45.Rg7-/+) 44...Rg2-+ 45.Kh1 Re2 46.Ng7 (46.Kg1 Re8 47.Rh7 Rg8 48.Kf2 Rg2 49.Ke1 Rg1 50.Kf2 Rf1 51.Ke2 Bg2 52.Rh5 Kf6 53.Rh6 Kg7-+) 46…Kg6 (46...Kg6 47.Kg1 Rg2 48.Kh1 Rf2-+) 0-1. Wittke,M - Palos,O, Badenweiler, 1990. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Na6)

8.b5 Nc7 9.a4 Bf5 10.d3 d5 11.c4 dc4 12.dc4 Qd1 13.Rd1 Rad8 14.Nc3 Ne4 15.Rd8 Rd8 16.Ne4 Bb2 17.Rb1 Be4 18.Rb2 Rd1 19.Bf1 Bf3 20.ef3 Ne8 21.Re2 Kf8 22.Re5 b6 23.Rd5 Rd5 (23...Ra1 24.Rd8-/+) 24.cd5 Nf6 25.Bc4 g5 26.Kf1 (26.g4 Ke8-/+) 26...Ke8 27.Ke2 Kd7 28.Ke3 Kd6 29.f4 Nd5 30.Bd5? (better 30.Ke4 gf4 31.gf4-+) 30...gf4 31.Kf4 (31.gf4 Kd5 32.Kd3-+) 31...Kd5 32.Ke3 Kc4 33.Ke4 (33.Kd2 Kb3-+) 33...Kb3 34.Kd3 c4 (34...c4 35.Kd4 c3-+) 0-1. nolnoc77 (2125) - endre969 (2505), ChessWorld.net, 2012.

8.b5 Nc7 9.c4 b6 10.d4 Bb7 11.dc5 dc5 12.Nc3. gbsrao (2355) – manishkhanchandani (2260), net–chess.com, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Na6 7.a3 c5)

8.b5 Nc7 9.c4 d5 10.d3 Rb8 (10...dc4 11.dc4 Qd1 12.Rd1=) 11.Nbd2 Be6 12.Ng5 dc4 13.Ne6 Ne6 14.Nc4 Ne8 15.Bg7 N8g7 16.Qd2 f6 17.b6 ab6 (17...a6 18.e3+=) 18.Rab1 b5 (18...Nf5 19.Rb6 Qd7 20.Rfb1+/–) 19.Rb5+/– Qd7 (19...Nd4!? 20.Rb7 Rb7 21.Bb7 Qd7+/–) 20.Rfb1+– Rfd8 21.Ne3 Rbc8 (21...Nd4!? 22.Rb7 Rb7 23.Rb7 Qa4+/–) 22.Rb7 Qa4?? (better is 22...Rc7+–) 23.Qa2 (23.Nd5!? Kh8 24.Nb6 Qa3 25.Nc8 Rc8+–) 23...Kf8 24.Nd5 Qe8 (24...Ra8 25.Ne7 Rd6+–) 25.Re7 Qe7 26.Ne7 Ke7 27.Rb7 (better is 27.a4!? Rc7+–) 27...Rc7 28.Rc7 Nc7 29.a4 Nge6 30.a5 Nd4 1–0. Auger,Bertrand – Pilote,Guillaume, Quebec Montcalm op 4th, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Na6)

8.c4 a6 9.Nc3 ab5 10.cb5 Bd7 11.d4 Ne6 12.a4 c6 13.e4 cb5 (13...d5 14.ed5 cd5 15.Ne5=) 14.ab5+= Qb6 15.e5 Ne8?? (better is 15...Ra1 16.Ba1 Ne8+=) 16.Ra8+– Bb5 (16...N8c7 17.Rf8 Kf8+–) 17.Nd5 Ba4 (17...Bf1 A) 18.Qf1?! Qb2 19.Ra4 de5+=; B) 18.Bf1?! Qb2 19.Bc4 Bh6+/– (19...de5? 20.Ra2 Qa2 21.Ba2 ed4 22.Ne7 Kh8 23.Be6 fe6 24.Ng5+–); C) 18.Kf1?! Qb2 19.Ne7 Kh8+=; D) 18.Nb6 Bg2 19.Kg2 de5 20.Nd7+–) 18.Qa1 (18.Qa1 Qb5 19.Ne7 Kh8 20.Ra4+–) 1–0. mtr – hoher, littlegolem.net, 2009.

8.c4 e5 9.d3 a6 10.Nc3 ab5 11.cb5 Re8 12.Nd2 Bg4 13.Nde4 Nfe4 14.Ne4 Na4 15.Qc2 Nb2 16.Qb2 d5 17.Nc3 c6 18.e3 d4 19.Nd1 (better is 19.ed4!? ed4 20.Ne4+=) 19...e4!–+ 20.Qc2 (20.de4 de3 Combination; 20.Be4 de3 Decoy) 20...de3 21.Ne3 ed3 (21...Ba1?! 22.de4 Bg7 23.Ng4–+) 22.Qd2 Ba1 23.Ra1 Qd4 24.Rc1 (24.Rb1 Be6 25.Rb2 cb5 26.Bb7 Ra3–+) 24...Be6 25.a3 Red8 (better is 25...Ra3!? 26.bc6 Ra2 27.Qd1 bc6 28.Rc6–+) 26.bc6 bc6 27.a4 (27.Rc3–+) 27...Ra4 28.Rc6 Ra2 (28...Ra2 29.Qd1 d2 30.Re6 fe6–+) 0–1. Krawatzki,Armin – Koenig,Frank (1890), Berlin op, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Na6 7.b5 Nc5)

7.a3 Qb6 8.Nc3 (8.Bf6!? Bf6 9.Nc3=) 8...cb4+= 9.Na4 Qd8 (9...Qa5 10.ab4 Qb4 11.Bc3=) 10.ab4= Bd7 11.c4 a6 12.d3 Nc6 13.Qb3 b5 14.Nc3 bc4 15.dc4 Rb8 16.b5 (worse is 16.Ra6 Nb4 17.Ra3 Nd3 18.ed3 Rb3 19.Rb3 e5–/+) 16...ab5 17.cb5 (worse is 17.Nb5 Na5 18.Qc2 Nc4 19.Qc4 Bb5–/+) 17...Qb6 18.Qa4 Nd8 19.Nd4 e5 20.Nc2 Ne6 21.Rfd1 Nc5 22.Qa7 Bb5 23.Qb6 Rb6 24.Nb5 Rb5 25.Ba3 Rd8 26.Ne3 Nb3 (26...e4 27.Bc5 Rc5 28.Ra4–/+) 27.Rab1+= Nd4 28.Rb5 Nb5 29.Bb2 Rb8 30.Nc4 Ne8 31.Bc6 Nec7 32.e3 ½–½. Novak,I2 (2160) – Bertusi,M (1980), Bol na Bracu CRO, 2013. (=1.Nf3 d6 2.g3 Nf6 3.Bg2 g6 4.b4 Bg7 5.Bb2 0-0 6.0-0 c5)

7.b5 d5 8.a4 b6 9.c4 Bb7 10.cd5 Qd5 11.Nc3 Qd7 12.Ne5 Qc7 13.Nc4 Bg2 14.Kg2 Qb7 15.Kg1 Nbd7 16.d3 Rad8 17.a5 Nd5 18.Nd5 Bb2 19.Ne7 Kg7 20.Nb2 Ne5 21.Nc6 Nc6 22.bc6 Qc6 23.ab6 ab6 24.Nc4 b5 25.Ne5 Qe6 26.Nf3 c4 27.Qb1 cd3 28.ed3 Qd5 29.Nh4 Qd3 30.Qb4 Qc4 31.Qb2 Rd4 32.Nf3 Qb4 33.Qd4 Qd4 34.Nd4 1–0. rryy44 – hipcio17, kurnik, 2012.

7.b5 Nbd7 8.c4 a6 9.a4 a5 (9...ab5 10.ab5 Ra1 11.Ba1=) 10.e3 (10.Nc3 Ne5 11.Qb3 Qb6+=) 10...Qc7= 11.d3 Rb8 12.Nbd2 b6 13.d4 Bb7 14.Qc2 Rbc8 (14...cd4 15.ed4 Nd5 16.Qb3+=) 15.Rfe1 (15.d5 Rce8=) 15...e6 16.Rad1 d5 17.Rc1 Rfd8 18.Ba3 Bf8 19.dc5 (19.Qb2 Bg7=) 19...Bc5+= 20.cd5 (20.Bb2 Be7+=) 20...Nd5 (20...Bd5!? 21.Qb2 Ba3 22.Qa3 Qb7+=) 21.Bb2 Qd6 (21...Bb4 22.Qb1 Nc5 23.e4=) 22.Ne4 (22.Nc4!? Qe7 23.Red1+=) 22...Qe7= 23.Nc5 Nc5 24.Nd4 (24.Red1 f6 25.Qc4 Nb4 26.Rd8 Rd8=) 24...Nb4–/+ 25.Qc3 e5 26.Bb7 Qb7 (26...ed4?? 27.ed4 Na4 28.Re7 (28.Bc8?! Qf8 29.Qb3 Nb2 30.Qb2 Rc8 31.Rc8 Qc8+–; 28.Qc8?! Qe1 29.Re1 Rc8 30.Bc8 Nb2+–) 28...Rc3 29.Bc3+– (worse is 29.Rc3 Nb2 30.Rcc7 Rf8+–)) 27.Nc6 Nc6 28.bc6 Rc6 (28...Qc7!?+=) 29.Qe5= f6 30.Qc3 Rdc8 (30...Rdd6 31.Qc4 Kg7 32.Ba3=) 31.Qd4 (31.Qc4 Qf7+=) 31...Qd7= 32.Qc4 Qf7 (32...Kg7 33.Red1 Qf5 34.Qb5=) 33.Qb5+= Qc7 34.Red1 Rd6 35.Bd4 (35.Rd4 Rcd8+=) 35...Qc6 36.Qc4 Qd5 37.Qc2 Qc6 Exerts pressure on the isolated pawn (37...Qe6 38.Qe2=) 38.Bc5+= Rd1 39.Rd1 bc5 (worse is 39...Qc5 40.Qb3 Kh8 41.Qe6+/–) 40.Qc4 Kg7 41.h4 (41.Rd5 Rc7+=) 41...Rb8= 42.Rc1 Rb4 43.Qc5 Qc5 44.Rc5 Ra4 45.Rc7 Kg8 46.Rc8 Kg7 47.Rc7 Kg8 48.Ra7 Ra1 49.Kg2 a4 50.Kf3 a3 51.Kf4 a2 52.e4 Kf8 53.f3 (53.h5 Rh1 54.Ra2 Rh5=) 53...h5 54.Ra8 Kf7 55.Ra7 Kf8 56.e5 fe5 57.Kg5 Rg1 58.Ra2 Rg3 59.Kf6 Rf3 60.Kg6 e4 61.Re2 e3 62.Kh5 ½–½. Jablonicky,Martin (2070) – Koehn,Lennart (1710), Kouty nad Desnou CZE, EU Ch U16, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c5)

7.d3 cb4+= 8.Nbd2 Nc6 9.Nc4 (9.a3 Nd5 10.Bg7 Kg7 11.ab4 e5+=) 9...b5 (9...Bd7 10.Rb1–/+) 10.Ne3 (10.Nfe5 A) worse is 10...bc4 A1) 11.Bc6? c3 (11...de5?! 12.Ba8 c3 13.Bc1+=) 12.Bc1 Rb8–+ (12...de5?! 13.Ba8 Qa5 14.Bg5+=); A2) 11.Nc6 Qc7 12.Ne7 Qe7 13.Ba8=; B) 10...Ne5 11.Ne5 d5–/+ (11...de5?! 12.Ba8 Nd5 13.Bc6=)) 10...d5 (10...Bd7 11.d4–/+) 11.c3 (11.a3 ba3 12.Ra3 b4–/+) 11...bc3 (11...Ng4 12.Ng4 Bg4 13.Qb3 bc3 14.Bc3 Bc3 15.Qc3–/+) 12.Bc3 b4 13.Bf6 (13.Bb2 Ng4 14.Bg7 Kg7–/+) 13...Bf6 (worse is 13...ef6 14.a3 a5 15.Qc1–/+) 14.Rc1 Bd7 (better is 14...Qd6–+) 15.Nd5= Bg7 16.e4 (16.Qd2 a5=) 16...e6+= 17.Nf4 (17.Ne3 Rc8+=) 17...a5 (17...Rc8 18.Rc4–/+) 18.d4+= Rb8 (18...Rc8 19.Qd2+=) 19.d5 Ne5 20.d6? (better is 20.Re1!?=) 20...Bb5–/+ 21.Re1 Nc4?? (better is 21...Rb6 22.Rc5 Rd6–+) 22.e5+/– f6?? (better is 22...Qd7+/–) 23.Ne6+– (23.Ne6 Qd7 24.Nf8 Kf8 25.Nd4 Ne5 26.Rc7 Qd6 27.Nb5 Qd1 28.Rd1+–) 1–0. gbsrao (2135) – chinbrookjedi (2140), net–chess.com, 2007.

8.ba6 Ra6 9.c4 Nc6 10.Nc3 Ne4 11.Qc2 Nc3 12.Bc3 Nb4 13.Qb2 Bc3 14.dc3 Nc6 15.Rfb1 Na5 16.Nd2 The backward pawn on b7 becomes a target 16...Qc7 17.e3 b6 18.Qc2 Be6 The isolani on c4 becomes a target 19.Qd3 Nc6 20.Rb2 Rfa8 21.Qe2 Ra3 22.Bd5 Bd7 23.Ne4 R8a6 24.Qf3 Ne5 25.Qf4 Bf5 26.Ng5 e6 (26...Rc3?! 27.e4 e6 28.ef5 ed5 29.cd5=+) 27.e4? (27.Qh4 h6 28.Qh6 ed5 29.Qh7 Kf8 30.cd5 Nd3-/+ (30...Rc3 31.f4 Re3 32.fe5 Re5 33.Rf1+=)) 27...h6 (27...Bg4!? 28.Qf6 ed5 29.cd5-+) 28.Nf3 ed5 29.ef5 Nd3?? (better 29...g5 30.Ng5 hg5 31.Qg5 Kf8 32.Qh6 Ke8=+) 30.Qh6+- Qe7 31.fg6 Qf6?? (better 31...f6 32.Re2! Ne5+-) 32.Qh7 Kf8 33.g7! Qg7 34.Qd3 d4?? (better 34...Qc3 35.Qc3 Rc3+-) 35.Qe4 (35.Qf5!? Qg6 36.Qc8 Kg7 37.cd4 Qe4+-) 35...Rc3 (35...Qf6 36.Qg4 dc3 37.Re2+-) 36.Re1 Kg8 (36...Qf6 37.Qg4 Rca3 38.Ng5+-) 37.Qe8 (37.Qb7 Qg4 38.Qa6 Qf3 39.Qb6 Qf6+-) 37...Kh7 (37...Qf8 38.Qc6 Ra8+-) 38.Qe4 Kg8 39.Qe8 Kh7 40.Qe4 1-0. Smith,David - Adams,Diane, WLS-ch Ogmore by Sea, 1992. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0)

8.ba6 Ra6 9.c4 Nc6 10.Nc3 Bg4 11.d3 Qd7 12.Nb5 d5 13.cd5 Nd5 (13...Qd5? 14.Nc7 Qd6 15.Na6 ba6 16.Qa4+–) 14.Bg7 Kg7 15.Qb3 Na5 16.Qb2 f6 17.Rfc1 Rc8 18.d4 Rb6 19.a4 c4 20.Nd2 Be2 21.Ne4 Bd3 (better is 21...Bg4!? 22.Nc5 Qd8=) 22.Nc5+/– Rc5 23.dc5 Rc6 24.Qd4 e6 25.Ra3 Ra6 26.h4 Nc6 27.Qb2 Ncb4 28.Nd6 b6 29.Nc4 bc5 30.a5 Bc4 31.Rc4 Qb5 32.Qc1 Rc6 33.Rb3 Qa5 34.Rcb4! Nb4 35.Bc6 Nc6 36.Rb7 Kf8 37.Qh6 (37.Qh6 Ke8 38.Qh7 Qa1 39.Kg2 Qh1 40.Kh1 Nd4 41.Qe7; 37.Rh7?! Ne5+/–) 1–0. Poleschi,Ricardo D – Dlugolecki,Grzegorz, SIMUL, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c5)

8.ba6 Ra6 9.c4 Nc6 10.d3 Bg4 11.Nbd2 Qd7 12.Qb3 Rb8 13.Rfb1 b5 14.cb5 Na5 15.Qa3 (15.Qc2 Rb5 16.a4 Rbb6=) 15...Rb5 16.Bf6 (16.Qc3!?=) 16...Bf6-/+ (16...ef6?! 17.d4=) 17.Rb5 Qb5 18.Rb1 Qe8 (18...Nc6!? 19.Qc1 Qa5-/+) 19.Ne1 (19.d4 cd4 20.Qd3 Qc8 21.Nd4 Bd4 22.Qd4 Nc6=+) 19...Bc8 20.Rb8 Nc6 21.Qa6 Nb8 (21...Ba6?? 22.Re8 Kg7 23.Bc6+-) 22.Qb6 Be6 23.Ne4 Nd7 24.Nf6 Nf6 25.Bc6 Bd7 26.Bf3 Qc8 27.Nc2 d5 (27...Bg4 28.Bg4 Ng4 29.a4=) 28.Qb2 (28.Ne3 e6+=) 28...Bg4 29.Bg4 Ng4 30.f3 Nf6 31.Qe5 Qb7 32.Ne3 Qb1 33.Kf2 Qa2 (better 33...Qb7=) 34.Qe7+/- Qa1 (34...Qb2 35.Qc5 Qe5 36.d4+-) 35.Qc5+- d4 36.Nf1 (36.Nc2 Qh1 37.Qc8 Kg7=) 36...h5 37.Qe5 Nd7 38.Qe8 Nf8 39.h4 Qa5 40.Nh2 Kg7 41.Qe4 Ne6 42.f4 Kf6 43.Nf3 Qf5 44.Qe5 Qe5 45.Ne5 Ng7 46.Nf3 Nf5 47.Ne1 Ke7 48.Nc2 Ke6 49.Kf3 Kd6 50.g4 hg4 51.Kg4 Ke6 52.Kg5 f6 53.Kg6 Nh4 54.Kh5 Nf5 55.Kg4 Nh6 56.Kf3 Kd5 57.Nb4 Kc5 58.Na6 Kb6 59.Nb4 Kc5 60.Na2 f5 (60...Nf5 61.Nc1=) 61.Kg3 Ng4 (61...Kb5 62.e4 de3=) 62.Kh4+- Ne3 63.Kg5 Kd5 (63...Kd6 64.Nc1+-) 64.Kf6 Kd6 65.Nc1 Kd5 66.Nb3 Nf1 67.Kf5 Ng3 68.Kg5 Ne2 69.f5 Ng1? (69...Kd6+-) 70.f6 Nf3 71.Kg6 Ne5 72.Kg7 Nd3 (72...Nc6 73.f7 Nd8+-) 73.f7 Nf4 74.Kf6 (better 74.Nc5! Nh5 75.Kh6 Kc5 76.f8Q Kc4 77.Qf7 Kc3 78.Qc7 Kb3 79.Qb6 Kc4 80.Kh5+-) 74...Ne6 75.Nd4! Nf8 (75...Kd4 76.Ke6 Deflection (76.Ke6 Overloading); 75...Nd4 76.f8Q Combination) 76.Nf3 Kd6 77.Ne5 Kd5 (77...Ne6 78.Nc4 Kd7+-) 78.Ke7 Ne6 79.Ng6 (79.Ng6 Nc5 80.f8Q+-) 1-0. Petenyi,T (2420) - Mazur,Ste (2455), TCh-SVK, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0)

8.Na3 Nc6 9.d3 a6 10.Nc4 Qc7 (10...Be6 11.Rb1=) 11.Nfe5+= Bd7 (11...Nd5 12.Nc6 bc6 13.Bg7 Kg7 14.Qd2+=) 12.Nd7 (12.Rb1!?+/–) 12...Nd7= 13.Bg7 Kg7 14.Qd2 b5 15.Ne3 Nf6 16.Rfe1 Rad8 17.Qc3 (17.c3 Ne5=) 17...Nd4 18.Qb2 Rd6 (18...Qe5 19.c3 Ne6 20.Qa3=) 19.c3+= Ne6 20.Reb1 (20.a4 Rb8+=) 20...Rb8= 21.Qc1 h5 22.Rb2 h4 23.Rab1 (worse is 23.gh4 Rh8 24.Bh3 Rh4 25.Be6 fe6+= (worse is 25...Re6 26.Nf5 gf5 27.Qg5 Kf8 28.Qh4+–)) 23...hg3 24.hg3 Rdb6 25.Rc2 Qe5 (25...Qd7 26.Qd2=) 26.a4 Qh5 (26...ba4? 27.Rb6 Rb6 28.Nc4+–) 27.ab5 ab5 28.Bf3 Qh7 29.Kg2 (29.Rcb2 Rh8 30.Nc4 Qh2 31.Kf1 bc4 32.Rb6 Ng4–+) 29...Rh8 30.Ra2?? (30.Kf1 Rbb8=) 30...Ng5?? (better is 30...Qh3 31.Kg1 Ng5–+) 31.Nf5+= gf5 32.Qg5 Qg6 33.Qg6 (33.Qf4 Ng4 34.e4 Rh2 35.Kg1 Qh5 36.ef5 Rh6=) 33...fg6 (33...Kg6!? 34.Ra5 e5=) 34.Ra7+/– Kf7 35.Rc7 g5 (35...b4 36.Rc5 Nd7 37.Rc7 bc3 38.Rb6 Nb6 39.Rc3+/–) 36.Kg1 (better is 36.Rc5!? e5 37.e3+– (37.Rcb5?! Rb5 38.Rb5 e4+/–)) 36...g4+/– 37.Bg2 Rhb8 38.Rc5 e6 39.Rb4 Ke7 40.Rc7 Kd6 41.Ra7 Kc5 (better is 41...Rc8 42.Rb3 b4+/–) 42.Rc7 Kd6 43.Rf7 Ne8 (43...Nd5!? 44.Bd5 Kd5 45.Rd7 Kc5+/–) 44.Rd4 Kc5 45.Rf8 (45.f3 Rd6 46.Rb4 gf3 47.Bf3 Rdb6+–) 45...Nd6 (45...Nc7 46.Rb8 Rb8 47.Kf1+/–) 46.Rb4 Ne8 (46...R6b7 47.Rf6 (worse is 47.Bb7 Rf8 48.Bg2 Rf7+=) 47...Re7 48.d4 Kb6 49.Rb3+/–) 47.f4 (47.e4 Kd6+–) 47...Ra6 (47...gf3 48.Bf3 (worse is 48.ef3 Nc7 49.d4 Kd6 50.Rb8 Rb8+/–) 48...Kd6 49.Rf7+–) 48.Rb1 (48.d4 Kd6+–) 48...Ra3+/– 49.Rc1 (49.d4 Kd6 50.c4 Ke7+/–) 49...Kd6 50.Kf2 Ke7 51.Rh8 Rc8 52.Rb1 (52.Rh7 Kd6 53.e4 Rcc3 54.e5 Kc5 55.Rc3 Rc3 56.Re7 Rc2 57.Kf1 Rc1 58.Ke2 Rc2 59.Kf1 Rc1 60.Ke2 Rc2 61.Kf1=) 52...Rc5? (52...Rcc3 53.Rh7 Kf6 54.Rb5+/–) 53.d4 (better is 53.c4 Ra2 54.Rb5 Rb5 55.cb5+–) 53...Rcc3+/– 54.Rb5 Nd6? (54...Rab3 55.Rh7 Kd6 56.Re5+/–) 55.Rc5?? (better is 55.Rh7 Kf6 56.Rb6+–) 55...Nf7 (55...Rab3 56.Rh7 Nf7 57.Ra5+=) 56.Rh7 (56.Rhc8!? Rc5 57.dc5+/–) 56...Kf6+= 57.Rc3 Rc3 58.Rh1 Nd6 (58...Rc4 59.Rd1+=) 59.Rh6+/– Ke7 60.d5 ed5 61.Bd5 Rc5 62.Bg2 (62.Re6 Kd7 63.Re5 Kc7+/–) 62...Rc3 (62...Rc4 63.Rh7 Ke6 64.Ra7+=) 63.Rg6 (63.Rh7 Ke6+=) 63...Ra3 (63...Rc4 64.Rg7 Ke6 65.Ra7+=) 64.Bd5+/– Ra5 (64...Rc3 65.Re6 Kd7 66.Re5+/–) 65.Re6 Kd7 66.Re5 Ra3?? (better is 66...Kd8+/–) 67.Be6+– Kc6 68.Bf5 Nf5 (68...Nc4 69.Re6 Kd5 70.Bg4+–) 69.Rf5 Kd6 1–0. Bielmeier,Ludwig (2190) – Strater,Heinz (2105), 8th Goch op, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c5 7.bc5 dc5)

8.a4 Nc6 9.Na3 Nd4 10.Nd4 cd4 11.Nb5 Ne8 12.c3 dc3 13.Bc3–+ a6 14.Bg7 Kg7? (14...Ng7) 15.Nc3 Rb8 16.Qc2 b5? 17.ab5 ab5 18.Rfb1 Nd6 19.Ra7 Bf5 20.d3 Qb6?! 21.Re7 Qc5 22.Qb2 Nc4? 23.dc4 bc4 24.Rb7 Rb7 25.Bb7 Bb1 26.Nb1+– Kg8 27.Bf3 Rd8 28.Nc3 Qe5 29.Qb4 Rd2 30.Be4 Rd4 31.f4 Qc7 32.Qb5 Rd8 33.Kg2 Rc8 34.Kf3 Qa7 35.Qe5 Qg1 36.Nd5 Qf1 37.Ke3 Qg1 38.Kd2 Rd8 39.Kc2 Qa7 40.Nf6 Kg7?? (40...Kf8) 41.Nh5 1–0. Knezevic – Mestrovic, Kraljevo 1967. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c5 7.bc5 dc5)

8.Nc3 Nc6 9.Rb1 Rb8 10.a4 a6 11.d3 e6 12.e3 Qc7 13.Ne2 b6 14.c4 Bb7 15.d4 cd4 16.Ned4 Nd4 (better is 16...Na5!?–/+) 17.Bd4= Be4 18.Be5 Qc8 19.Bb8 Bb1 20.Be5 Be4 21.Qd4 Qc6? (21...Bf3 22.Bf3 Ne8+=) 22.Ne1?? (better is 22.Bf6 e5 23.Be5+–) 22...Bg2= 23.Ng2 Ne8 24.Bg7 Ng7 25.Rb1 Rb8 26.Qe5 Rb7 27.a5 ba5 28.Rb7 Qb7 29.Nf4 Qb6 30.c5 Qb5 31.Qd6 Nf5 32.Qb6 Qb6 33.cb6 Nd6 34.Nd3 a4 35.Kf1 a3 36.Nb4 a5 37.Na2 Kf8 38.Ke2 Ke7 39.Kd2 Nc4 40.Kc3 Nb6 41.Kb3 Kd6 42.Ka3 Kc5 43.Nc3 f5 44.f3 Nc4 45.Ka4 Ne3 46.Ka5 Nf1 47.g4 Nh2 48.gf5 ef5 49.f4 Kd4 50.Nb5 Ke4 51.Nd6 Kf4 52.Kb4 h5 53.Kc3 Nf1 54.Kd3 Kf3 55.Nc4 g5 56.Ne5 Kf2 57.Nf7 g4 58.Nh6 f4 59.Ke4 f3 60.Kf4 g3 61.Nf5 g2 62.Nh4 Nd2 63.Kg5 g1Q 64.Kh5 Ne4 65.Nf5 Qg5# 0–1. rryy44 – jacek969, kurnik, 2012.

8.d3 Qb6 9.Qc1 Nc6 10.Nbd2 Be6 11.c4 Rad8 12.Nb3 Nb4 13.Be5 Bf5 14.Qb2 Rd7 (14...Nc6 15.Bc3+=) 15.Bc3+= Nc6 16.Qa3 Nd4 17.Bd4 cd4 18.Rab1 e5 (better is 18...Rc8!?+/–) 19.Nbd4+– Qc7 20.Nf5 gf5 21.Nh4 b6 22.Nf5 e4 23.Bh3 ed3 24.ed3 Qd8 25.d4 Rc7 26.Qe3 Ne8 27.Ng7 Ng7 28.Rfc1 Re8 29.Qf4 Re2 30.c5 Qe7 31.cb6 Rc1 32.Rc1 ab6 33.Qb8 Ne8 34.Qb6 Ra2 35.Qb8 Re2 36.Qf4 Re4 37.Qd2 Nd6 38.d5 Re2 39.Qd3 Qe4 40.Qe4 Ne4 41.Rc8 Kg7 42.f3 Re1 43.Kg2 Nf6? 44.d6 Re2 45.Kg1 Rd2 46.Rd8 Rd1 47.Kf2 Rd2 48.Ke3 Rh2 49.Bf5 Nd5 50.Kd3 Nb4 51.Kc4 Nc6 52.Re8 Kf6 53.g4 Rd2 54.d7 h5 55.Kc5 Na5 56.Kb6 hg4 57.fg4 Nc4 58.Kc7 Kg5 59.d8Q Rd8 60.Rd8 f6 61.Rg8 Kf4 62.Kd7 Ke5 63.Re8 (63.Re8 Kd5 64.Be6 Kd4 65.Bc4+–) 1–0. Keilhack,Harald (2325) – Kottke,Markus (2220), Wuerttenberg op, 1999.

8.d3 Nc6 9.Nbd2 Qc7 10.a3 b6 11.Nc4 Bb7 12.Nce5 Rad8 13.Qc1 e6 14.c4 Ne5 15.Be5 Qd7 16.Qb2 Nh5 17.Bg7 Ng7 18.Ne5 Qc7 19.a4 Bg2 20.Kg2 Qd6 21.Nf3 Nf5 22.a5 Nd4 23.ab6 Nf3 24.ba7 Nd4 25.Ra5 1–0. linakip – anagnosk, kurnik, 2012.

8.d3 Nc6 9.Nbd2 Nd5 10.Bg7 Kg7 11.Qc1 f6 12.Nb3 b6 13.Qb2 Rb8 14.d4 Nc7 15.Rfd1 Qe8 16.d5 Nd8 17.Nc5 Nf7 18.Nd4 Nd6 19.Nd3 Bd7 20.Nb4 1–0. Schmittdiel – Morawietz, Neuss 1986.

8.d3 h6 9.Nbd2+= Qc7 (9...Nc6 10.Nc4+=) 10.Be5 Qb6 11.Nc4 Qe6 (11...Qa6 12.Rb1+=) 12.a4 (12.Rb1 Nc6+=) 12...Nbd7 13.Bc3 Nb6 14.Nb6 ab6 15.Re1 (15.Qd2 Rd8 16.Ne5 Nd5 17.Bd5 Qd5=) 15...Bd7 (15...Rd8 16.Nd2=) 16.a5 (16.Ne5 Ba4 17.Bb7 Nd5 18.Bd5 Qd5=) 16...ba5 17.Ra5 (17.Ba5 Ne4 18.de4 Ba1 19.Qa1 b6+=) 17...Ra5 18.Ba5 b5 (18...Ra8 19.Qd2+=) 19.Bd2= Bc6 (19...Nd5 20.Qc1+=) 20.Be3 Nd7 (20...Qd5 21.c4 bc4 22.dc4=) 21.d4+= Ra8 ½–½. Kapote – amoruritme, ChessWorld.net, 2005.

9.Nc3 Bg4 10.d3 Rc8 11.h3 Bd7 12.e3 a6 13.Qe2 e6 14.Rab1 Qc7 15.Ba1 Na7 16.e4 Ne8 17.e5 ½–½. Bagonyai,Attila (2315) – Karsa,Laszlo (2405), HUN–chT, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c5 7.bc5 dc5 8.c4 Nc6)

9.d3 Bf5 10.a3 Qd7 11.Qb3 a6 12.Nc3 Rab8 13.a4 Rfc8 14.a5 Qc7 15.Qa3 Nb4 16.Rab1 Nc2.

9.d3 Bf5 10.Qc2 Qa5 11.a3 Rac8 12.Nbd2 Rfd8 13.Bc3 Qa6 14.Qb2 Qb6 15.Nb3 Ne8 16.Rab1 Bc3.

9.d3 Bf5 10.Nc3 Qd7 11.Re1 Bh3 12.Bh1 h6 13.Rb1 b6 14.Qa4 Rac8 15.Nd5 Rfd8 (15...Nd5 16.cd5 Nb4 17.Qd7 Bd7 18.Bg7 Kg7 19.Ne5=) 16.a3 (16.Nf6 Bf6= –0.08 (16...ef6 17.a3 Bg4+=); 16.Nf4 Bg4) 16...g5 (16...Nd5 17.cd5 Nd4 18.Qd7 Bd7 19.Nd4 cd4 20.Rec1+=) 17.Qb5 (17.Bf6 Bf6 18.Nf6 ef6+=) 17...Nd5= 18.cd5 Nd4 19.Nd4 cd4 20.Qb4 e5 21.Qb3 Rc5 22.Rbc1 Rdc8 23.Rc5 Rc5 24.Rc1 Qb5 25.Qb4 Bf8 26.Rc5 Qb4 27.ab4 bc5 28.bc5 Bc5 29.d6 a5–+ 30.Bc6 Bd6 31.f4 f6 32.fg5 fg5 33.Ba4 Kf7 34.Kf2 Bg4 35.e3 Bc5 36.Ke1? de3 (36...de3 37.Bc3 Bb4 38.Bb4 ab4–+) 0–1. Brunelliere,P (2290) – Komljenovic,D (2450), 2nd Rohde Open, Sautron FRA, 2002.

9.d3 Bf5 10.Qd2 Re8 11.Nc3 Qa5 12.Rab1 Rab8 13.Rfd1 Red8 14.Ng5 Ng4 15.h3 Nge5 16.Qe3 Nd4.

9.d3 Bg4 10.h3 Bf5 11.Nc3 Qc8 12.Kh2 e5 13.Na4 Nd4 14.Ne5 Rb8 15.e3 Nc6 16.Nc6 bc6 17.Rb1 Nd7 18.Qc2 Bb2 19.Rb2 Rb2 20.Nb2 Qc7 21.f4 Nb6 22.Qf2 Qd6 23.Rb1 h5 24.e4 Bd7 25.e5 Qd4 26.Qd4 cd4 27.c5 Nd5 28.Nc4 Ne3 29.Rb7 Ng2 30.Rd7 Ne1 31.Na5 Nd3 32.Nc6 Nc5 33.Rd4 a6 34.Kg2 Ne6 35.Rd7 Ra8 36.Kf3 Kf8 37.Ke3 Ke8 38.Re7 Kf8 39.Rb7 Rc8 40.Rb8 Rd8 41.g4 hg4 42.hg4 Rb8 43.Nb8 a5 44.f5 gf5 45.gf5 Nc5 46.Kd4 Nb7 47.Kc4 Ke8 48.Kb5 Kd8 49.Nc6 Kc7 50.Na5 1–0. Barlow – Burgin, email CTON 1996.

9.Ne5 Ne5 10.Be5 Be6 (10...Qd7 11.Qb3=) 11.d3 (better 11.Bb7 Bh3 12.Re1+/-) 11...Qd7= 12.Qb3 b6 (better 12...Bh3=) 13.Ba8+/- Ra8 14.Nc3 Bh3 15.Rfe1 Qc6 (15...Qe6 16.Bf6 Qf6 17.Rac1+/-) 16.Nd5+- Nd5 17.cd5 Qd7 18.Bg7 Kg7 19.d4! cd4 20.Rad1 Qg4 (20...e5!?+/-) 21.Qd3 Kg8 22.Qd4 Qd7 (22...Qd4 23.Rd4 Rc8 24.Rd2+-) 23.f3 (23.Qh4 Rc8+-) 23...h5 (23...Qd6 24.e4+-) 24.Kf2 (24.e4 Rc8+-) 24...Rd8 25.Rd2 Qb5 26.Red1 Bc8 (26...Rc8 27.e3+-) 27.Qe5 Rd7 (27...Qc5 28.Kg2+-) 28.Rc1 Bb7 (28...Ba6 29.e4+-) 29.Rc7 Rc7 30.Qc7 Qc5 (30...Qa5 31.d6 (31.Qb7?! Qd2 32.Qa7 Qd4 33.Kg2 Qd5+/-) 31...ed6 32.Rd6+- (32.Qb7?! Qd2 33.Qa7 Qd4 34.Kg2 Kg7=; 32.Qd6?! Ba6+-)) 31.Qc5 bc5 32.e4 Ba6 33.Rb2 Kg7 34.Ke3 Kf6 35.Rb8 Bc4 36.a3 a6 37.Rc8 Ke5 (37...Bb5 38.Rc5 Ke5 39.f4 Kd6 40.Rb5 ab5 41.Kd4+-) 38.Rc5 (better 38.Rc6 e6 39.d6+-) 38...Bb5 39.f4 Kd6 40.Kd4 f6 (40...Bf1 41.Rc8 f6 42.e5 Kd7 43.Rg8 fe5 44.fe5+-) 41.e5 fe5 42.fe5 Kd7 43.Rb5! ab5 44.Kc5 (44.Kc5 Kc7 45.Kb5+-) 1-0. Krysa,L (2530) - Efremova,Y (2125), Titled Tuesday 1st Sept, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0)

7.a3 Bf5 8.d3 Nbd7 9.c4 e5 10.e4 Bg4 11.h3 Be6 12.Ng5 Qe7 13.Nd2 d5 14.cd5 cd5 15.Ne6 fe6 16.Qb3 Qf7 17.Rac1 Rac8 18.Nf3 de4 19.Ng5 Qe7 20.de4 Rc1 21.Rc1 Re8 22.Rc7 h6 23.Nf3 Qd6 24.Qc2 (better is 24.Rb7 a5 25.ba5+–) 24...Ne4? (better is 24...Rb8+/–) 25.Rd7 (25.Qe4?! Qc7 26.Qg6 Re7=; 25.Rb7 Nef6 26.Ne5 Nf8+–) 25...Qd7 26.Qe4 Qf7 27.Be5 Rf8 28.Bg7 Kg7 29.Qd4 Kh7 30.Qa7 Rc8 31.Qe3 Qf6 32.Ne5 Rc7 33.Ng4 Qg7 34.Qe6 Rf7 (34...Qf7 35.Qd6 Rc1 36.Kh2+–) 35.Be4 Rc7 (35...b5+–) 36.Nf6 Kh8 37.Qe8 (37.Qe8 Qf8 38.Qf8) 1–0. Cangiotti,Claudio (2220) – Cortes,Martin Gustavo, Internet Section, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6)

7.Na3 e5 8.d3 h6 9.c4 a5 10.b5 Bg4 11.bc6 bc6 12.c5 Nd5 13.Nc4 Bf3 14.Bf3 (worse is 14.ef3 dc5 15.Ne5 Nb4=) 14...dc5 15.Be5 Be5 16.Ne5 Qd6 17.Nc4 Qc7 18.Qc1 Kg7 19.Qb2 Kg8 20.Qe5 Qe5 21.Ne5 Nb4 22.Rfc1 Re8 23.Ng4 Kg7 24.a3 Nd5 25.e4 h5 (25...Ne7!?+/–) 26.ed5+– (26.Rc5?! hg4 27.ed5 Nd7+=) 26...hg4 27.Bg4 cd5 28.Rc5 d4 29.Rb1 Ra7 30.Bc8 Nd7 31.Bd7 Rd7 32.Ra5 1–0. Arnaudov,Petar (2260) – Vasilev,Rosen, Baharov Memorial op, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

7.a4 Nbd7 8.d4 e5 (8...d5!?=) 9.de5+= Ng4 10.c4 (10.Qd6 Nde5 11.Qd8 Rd8 12.Ne5 Ne5+=) 10...Nde5= 11.Qc2 Bf5 12.e4 (12.Qc1=) 12...Bc8 (12...Be4!? 13.Qe4 Nf3 14.Qf3 Bb2+=) 13.Rd1 Qe7 (13...Nf3 14.Bf3 Bb2 15.Qb2=) 14.Na3 (14.Ne5!? de5 15.h3+=) 14...Nf3 15.Bf3 Ne5 (15...Bb2 16.Qb2 Ne5 17.Bg2=) 16.Bg2 (16.Be2 f5=) 16...Bg4 17.Re1 Nf3 (17...Rfe8 18.Rab1 a5 19.ba5+=) 18.Bf3+= Bb2 (better 18...Bf3!? 19.Bg7 Kg7 20.Qc3 Qf6 21.Qf6 Kf6+=) 19.Bg4+/- (19.Qb2?! Bf3 20.Re3 Bg4= (worse 20...Be4 21.f3+-)) 19...Ba1 20.Ra1 a5 21.b5 Qe5 (21...Rfe8 22.Bf3+-) 22.Re1 (22.Rd1 Rae8+-) 22...h5 (better 22...f5 23.Bf3 Rae8+/-) 23.f4?? (better 23.Bf3+-) 23...Qc5-/+ 24.Qf2 Qf2 25.Kf2 hg4 26.e5 (26.Ke3-/+) 26...Rfe8 (26...Rad8 27.Re2-+) 27.Nc2? (better 27.ed6 Re1 28.Ke1=+) 27...de5-+ 28.fe5 (28.Re5 cb5 29.cb5 Re5 30.fe5-+) 28...Rad8 29.Re2 Re7 (29...cb5 30.cb5 Rd5 31.Na3-+) 30.Ne3 (30.bc6 bc6 31.Re3 Rd2 32.Re2 Re2 33.Ke2 Re5 34.Ne3 f5-+) 30...Re5 (30...Rd4 31.Ke1-+) 31.Ng4 (31.bc6 bc6 32.Ng4 Rc5-+) 31...Re2 32.Ke2 Rd4 (better 32...cb5 33.cb5 f5-+) 33.Ne5 (33.bc6 bc6 (33...Rg4?? 34.cb7 Re4 35.Kd3+-) 34.Ne3 f5-+) 33...Kg7 (better 33...Re4 34.Kd3 Re5-+) 34.Ke3 (34.bc6 bc6 35.Nc6 Rc4 36.Na5 Ra4 37.Nb3-+) 34...c5 35.Nd3 Rc4 0-1. chesserstein (2035) - Marta_singer (2445), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 0-0 5.b4 c6 6.Bb2 d6)

7.Qc1 a5 8.a3 e5 9.d3 Nh5 10.e4 f5 11.ef5 gf5 12.Nbd2 Nd7 13.Nc4 Nb6 14.Na5 Na4 15.c3 e4 16.de4 fe4 17.Nd4 d5 18.Qc2 Nb2 19.Qb2 Qg5 20.Qc1 Qg6 21.f4 c5 22.Ndb3? (better is 22.Ne2!?+=) 22...b6–+ 23.Qd2 ba5 24.Nc5 Qc6 25.Rac1 Ba6 26.Na6 Ra6 27.Rfd1 Nf6 28.Kh1 ab4 29.ab4 Ra3 30.Ra1? (better is 30.Bf1–+) 30...Rc3 31.Rac1 Rc8 32.b5 Qc5 (32...Rc1?! 33.bc6 R1c6 34.Bh3+=) 33.Rb1 (33.Rc3 Qc3 34.Qc3 Rc3 35.Rb1–+) 33...Rc2 34.Qe1 Ng4 35.Rd5 (35.Rd2 Nf2 36.Qf2 Qf2 37.Rf2 Rf2 38.b6–+) 35...Qd5 36.Be4 Qe4! (36...Qe4 37.Qe4 Nf2 38.Kg2 Ne4 39.Kh3 Nf2 40.Kg2 Ng4 41.Kh3 h5 42.Rh1 Nf2 43.Kg2 Nh1 44.Kh3 Nf2 45.Kh4 Bf6 46.Kh5 Kf7 47.g4 Rh8) 0–1. Schaad,Pierluigi – Hesse,Juergen (2180), Pizol op, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c6)

7.Qc1 Na6 8.a3 Nc7 9.d3 a5 10.Nbd2 Bg4 11.h3 Bf3 12.Nf3 ab4 13.ab4 Ncd5 14.c3 Qb6 15.e4 Nc7 16.Qc2 Nd7 17.d4 d5 18.e5 e6 19.Rfb1 f6 20.ef6 Bf6 21.Bc1 Nb5 22.Bh6 Rfe8 23.Rd1 (better is 23.Ra8!? Ra8 24.Re1+=) 23...e5 24.Ra8 Ra8 25.c4 Na3 (worse is 25...Nd4 26.Nd4 ed4 27.cd5+=) 26.Qa2 ed4 (better is 26...dc4 27.Qe2 Qb5=) 27.cd5+/– c5 28.bc5 Qc5 29.d6 Qc4 30.Qc4 Nc4 31.Nd4 Nd6 32.Nb5! Nf5 33.Rd7 Nh6 34.Bb7 Rd8 ½–½. Cederquist,Bengt – Simon,Bernard, ICCF–Cup8 V041 corr, 1990. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c6)

7.c4 e5 8.d3 (--> 6.0-0 e5 7.d3 c6 8.c4).

7.c4 Be6 8.d3 a5 9.b5 cb5 10.cb5 Qd7 11.Na3 Bh3 12.Bh3 Qh3 13.Rc1 Rc8 14.Rc8 Qc8 15.Qa1 Nbd7 16.Rc1 Qd8 17.Bc3 Ne8 18.d4 d5 19.Bd2 e6 20.Rc2 Bf8 21.Qc1 Nb6 22.Ne5 f6 23.Nd3 Ba3 24.Qa3 Nc4 25.Qc1 b6 ½–½. Hammond – Shepherd, Southend 1995.

7.d3 Bg4 8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa4 Qd7 13.Rb1 Nc7 14.c4 b5 15.Qc2 bc4 16.Nc4 Ncd5 17.Bf6 Bf6 18.e4 Bf3 19.Bf3 Nc3 20.e5 de5 21.Bc6 Qd4 22.Rc1 e4 23.Be4 Ne4 24.de4+= Rc8 25.Qe2 Bg5 26.Rc2 Rb8 27.h4 Bh6 28.Rb2 Rc8 29.Na5 Rc1 30.Kh2 Bg7 31.Rb3 Be5 32.b5 Qa4 33.Qe3 Qa1 34.b6?? Rh1 35.Kg2 Rg1 36.Kh2–+ Bg3 37.Qg3 Rg3 38.Kg3 Qa5 39.b7 Qe5 40.Kf3 Qb8 41.Ke3 f5 42.Kd4 Qd6 43.Ke3 f4 44.Ke2 Qb8 45.Kd3 e5 46.Kc4 Kg7 47.Rb6 h6 48.Kb5 g5 49.h5 g4 50.Rg6 Kh7 51.Kc6 g3! 52.f3? Qa7 53.Kc7 Qa5 54.Kc8 ½–½. Poley,Vladimir (2360) – Couso,Luis, Rilton Cup, 1992. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6 6.0-0 d6)

7.d4 a5 8.a3 ab4 9.ab4 Bg4?? (better 9...Ra1 10.Ba1 d5=+) 10.Ra8+– Qc7 11.c4 Na6 12.Rf8 Kf8 13.h3 (13.Qb3 Qb6 14.b5 d5+–) 13...Bf3 14.Bf3 Nb4 15.Qb3 c5 16.dc5 dc5 17.Bf6 (17.Rd1 Nd7+–) 17...Bf6 18.Nc3 b6 19.Nd5 Qb8 (19...Nd5 20.Bd5 e6 21.Bg2+–) 20.Nb4 cb4 21.Qb4 Bd4 22.e3 Be5 (22...Bc5 23.Qc3 e5 24.Rd1+–) 23.Kg2 (23.Rb1!? Bg3 24.fg3 Qg3 25.Bg2 Qe3 26.Kh1 Qd4+–) 23...Bd6 24.Qb5 Bc5 25.Ra1 Qe5 26.Ra8 Kg7 27.Qe8 Qd6 (27...Kh6+–) 28.Qh8 Kh6 29.Qf8 Kg5 30.Qf7 Qf6 31.Qh7 (31.Qh7 Kf5 32.Rd8 Bd6 33.g4 Ke6 34.Qg8 Qf7 35.Bd5 Kf6 36.Qf7 Kg5 37.Rh8 b5 38.f4 Bf4 39.ef4) 1–0. gbsrao (2420) – croach (2375), net–chess.com, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

7.d4 Na6 8.Nbd2 (8.a3!?=) 8...Nb4–/+ 9.a3 Na6 10.Nc4 (10.e4 b5–/+) 10...Be6 11.Re1?? (better is 11.Ne3–/+) 11...Bc4–+ 12.e4 Nc7 13.e5 de5 14.de5 Nfd5 15.Re4 (15.Nd2 Nb6–+) 15...Ba6 (15...Nb6 16.Qe1–+) 16.c4 Nb6 17.Qd8 (17.Qc2 Ne6–+) 17...Rad8 18.Rc1 Ne6 19.c5 Nd5 20.Nd4 Nd4 21.Bd4 Bd3 22.Ree1 Nc7 23.Ba1 Ne6 24.Rcd1 Bb5 25.Rd8 Rd8 26.f4 Nc5 27.Bc3 e6 28.Bb4 Na6 29.Bd6 Bf8 30.Rd1 Bd6 31.Rd6 Rd6 32.ed6 Kf8 33.Kf2 Ke8 34.Ke3 Kd7 (34...Kd7 35.g4 Kd6–+) 0–1. gbsrao (2120) – rr (2275), net–chess.com, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bb2 Bg7 5.Bg2 c6 6.0-0 0-0)

7.d4 Qb6 8.a3 a5 9.c3 Bf5 10.Nbd2 ab4 11.cb4 Na6 12.Re1 Nc7 13.e4 Bg4 14.h3 Be6 15.e5 de5 16.de5 Nfd5 17.Nc4 Qa6 18.Bf1 b5 19.Ncd2 Rfd8 20.Ne4 (20.Nd4!?=) 20...Nf4 ½–½. Tony_Farrell – steveberkley, ChessWorld.net, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

7.d4 d5 8.Nbd2 Qb6 9.c3 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Qa6 13.Qa6 Na6 14.Ra1 b5 (14...Bf5 15.Nb3=) 15.Nb3 (15.Ne5 Nb8+–) 15...Bh6 (15...Nd7 16.Na5 Nab8 17.h4=) 16.Na5 (16.Ne5 Nb8+–) 16...Nb8 17.Ne5 Bd7 18.Nd7 Nfd7 19.Bh3 (19.e4 Nb6+–) 19...e6 20.Nb7 (20.Bg2 f5+=) 20...Nb6= 21.Bc1 Bc1 22.Rc1 Nc4 23.Bg2 Nd7 24.Ra1 Rb8 (24...Ndb6 25.Na5 Na5 26.Ra5=) 25.Na5 Ra8 26.e4 f6 (26...h6 27.Re1=) 27.ed5 (27.Re1!? Na5 28.Ra1+=) 27...ed5 28.Kf1 Ndb6 29.Ke2 (29.Ra2 Na5 30.Ra5 Kf7=) 29...Kf7 (29...Na4 30.Ra4 ba4 31.Nc6–/+) 30.f4 (30.Nc4 bc4 31.Ra5 Ke6+=) 30...Ke6 (30...Na4 31.f5–/+) 31.Bh3 f5 32.g4 (32.Kd3 Kf6=+) 32...h6 (32...Na4 33.Kd3 Na5 34.ba5=+) 33.Kf2 Nd2 34.gf5 gf5 35.Re1 Ne4 36.Ke3 (36.Kf1 Nc4–/+) 36...Nc3 (36...Nc4 37.Kf3–/+) 37.Nc6 (better 37.Rc1!? Nc4 38.Nc4=+) 37...Ne4–/+ 38.Na5 Nc4 39.Nc4 (39.Ke2!?–/+) 39...dc4 40.d5 Kf6 (40...Kd5?! 41.Rd1 Kc6 42.Bf5=+) 41.Kd4 Ra3 42.Bg2?? (better 42.Bf1–+) 42...Rd3 0–1. gbsrao (2490) – vgomdysey (2345), net–chess.com, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6)

7.e3 Nbd7 8.a3 e5 9.Re1 Re8 10.c4 (10.e4!?=) 10...e4-/+ 11.Nd4 (11.Ng5 h6 12.Nh3 Ne5 13.Be5 de5-/+ (13...Re5?! 14.Nf4=+)) 11...Ne5 12.Bf1 (12.Qb3 Nd3 13.Rf1 c5-/+) 12...Bg4-+ 13.Qb3 Bf3 (better 13...c5!? 14.f4 ef3-+ (14...cd4?! 15.fe5 de5 16.Bg2-/+)) 14.Nc3 Qd7 15.c5 d5 (15...dc5 16.bc5 b6 17.cb6 ab6 18.Reb1-/+ (18.Qb6? Rab8 19.Qa5 Rb2-+)) 16.d3 (16.Reb1 Qe7=+) 16...ed3 17.Nd1? (better 17.Nb1-/+) 17...d2-+ 18.Re2 Be2 19.Be2 Nfg4 (19...b6!? 20.cb6 ab6 21.Qc2-+) 20.Bc3 Nf6 21.Bd2?? (21.Bb2 b6 22.cb6 ab6 23.Qc2-+) 21...Re7 (21...b6 22.cb6 ab6 23.Qc2-+) 22.Rb1 Rae8 (22...Ne4 23.Be1-+) 23.Bf1 (23.b5 Qh3-+) 23...a6 (23...Ne4 24.Bc3-+) 24.Bg2 (24.Nc3 Qc7-+) 24...Nfg4 (24...Ne4 25.Bc1-+) 25.h3 Nh6 26.Nc3 (26.Nb2 Nf5-+) 26...Nf5 (26...Nc4 27.Rd1 Bd4 28.ed4-+) 27.Nce2 (27.Nf5 gf5 28.Ne2 Nc4-/+) 27...h5 (27...Nd4 28.Nd4 Nc4 29.Qd3-+) 28.Nf5 (28.Bc3 h4 29.g4 Nd4 30.Nd4 Qc7-/+) 28...Qf5-+ (28...gf5?! 29.Bc3=+) 29.Nd4 Qd7 (29...Qf6 30.Bc3-/+) 30.Rc1 f6 (30...Qc7 31.Rd1-+) 31.Bc3 Nf7 32.e4 (better 32.Nf3-/+) 32...Ng5?? (better 32...de4 33.Rd1 Rd8-+) 33.ed5= cd5 (33...Nh3? 34.Kh2 cd5 35.Qd5 Qd5 36.Bd5 Kh7 37.Kh3+-) 34.Bd5 Kh7 35.h4 (35.c6 Qd6 36.h4=) 35...Nf7 (better 35...Rd8 36.Bc4 f5 37.hg5 Bd4=+) 36.c6+/- Qc7 37.cb7 Qb7?? (37...Nd8 38.Bd2 Qb6 39.Qf3 Rb7 40.Bb7 Qb7 41.Qb7 Nb7 42.Rc6+-) 38.Ne6 (38.Bb7 Rb7 39.Qa4 Ree7+-) 38...Re6?? (better 38...Qb8!?+=) 39.Be6 (better 39.Bb7 Nh6 40.Bc8+-) 39...Re6? (better 39...Nd6+-) 40.Qe6 Qa7 (40...Nd8 41.Qe8 Nf7 42.Ba1+-) 41.Qe2 (better 41.Bf6 Nh6 42.Rc6 Bf6 43.Qf6 Qg7+-) 41...Ne5 (41...Qb7 42.Qe8+-) 42.Rf1 (better 42.Be5!? fe5 43.Rc6 Qd4+-) 42...Ng4 43.Qf3 Qf2 (43...Qd7+-) 44.Rf2 Nf2 45.Qf2 f5 46.Qe3 (46.Qa7 f4 47.Qg7) 46...Bc3+- 47.Qc3 Kh6 48.Qc4 (48.Qh8) 48...Kg7+- 49.Qc5 Kf6 50.Qc6 Kf7 51.Qb6 (51.Qb7 Kf8 52.Qa6 Kf7+-) 51...Ke7 52.Qa6 Kd7 53.Qa7 (53.Qa7 Ke6 54.b5+-) 1-0. pink_overdoze (2140) - JMD (2065), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...g6 2.g3 Bg7 3.Bg2 d6 4.0-0 Nf6 5.b4 0-0 6.Bb2 c6)

8.c4 Be6 9.d3 Nbd7 10.a4 a6 11.b5 ab5 12.cb5 Qb6 13.Nc3 Nc5 14.d4 ed4 15.Nd4 cb5 16.ab5 Ra1 17.Ba1 Nfd7 18.Ne6 fe6 19.Ne4 Ba1 20.Qa1 Ne4 21.Be4 Qb5 22.e3 d5 23.Bg2 e5 24.Rb1 Qc6 25.Qa2 e4 26.Be4 Nf6 27.Bg2 Kg7 28.Qa7 Rf7 29.Bh3 Qc2 30.Rb7 Rb7 31.Qb7 Kh6 32.Qf7 Qd1 33.Bf1 Ne4 34.Qf4 Kg7 35.Kg2 Nd2 36.Ba6 Qa1 37.Qd4 Qd4 38.ed4 Kf6 39.Bb7 Ke6 40.f4 Ne4 41.Kf3 Nc3 42.h4 Nb5 43.Ke3 Nd6 44.Bc6 Nf5 45.Kd3 Ng3 46.Bb7 Nh5 47.Ke3 Kd6 48.Kf3 Ng7 49.Ke3 Nf5 50.Kd3 Nh4 51.Bc8 Ng2 52.f5 gf5 53.Bf5 h6 54.Bg4 Nf4 55.Ke3 Ng6 56.Bh5 Ne7 57.Kf4 Nc6 58.Kf5 Nd4 59.Kg6 Nb3 60.Kh6 d4 61.Kg5 Ke5 62.Kg4 d3 63.Kf3 Kd4 64.Kf2 d2 65.Bd1 Kc3 66.Ke2 Nc1 67.Ke3 Nd3 68.Ke2 Nb2 69.Bb3 Nd3 70.Kd1 Nb2 71.Ke2 Nd3 72.Ba4 Nb2 73.Bd1 Nc4 74.Ba4 Ne5 75.Bd1 Ng4 0–1. rryy44 – bani49, kurnik, 2012.

8.e3 Nbd7 9.d3 d5 10.Nbd2 e4 11.de4 de4 12.Ng5 Re8 13.Rb1 Nb6 14.Bf6 Bf6 15.Nge4 Bg7 16.Nc5 Qe7 17.Nf3 Be6 18.Ne6 fe6 19.Qe2 Nd5 20.Qc4 Nb6 21.Qb3 Kh8 22.c4 e5 23.Rbd1 Rad8 24.c5 Nd5 25.Qc2 e4 26.Nd4 Bd4 27.Rd4 Nf6 28.Rd8 Rd8 29.Qc3 Kg8 30.Qc4 Kg7 31.Qc3 Rd3 32.Qc4 Ra3 33.Rd1 a6 34.Qd4 Rd3 35.Rd3 ed3 36.Qd3 Qe6 37.Qd4 Qb3 38.Bf1 Qc2 39.Qd6 Ne4 40.Qe5 Kh6 41.Qf4 Kg7 42.Qc7 Kh6 43.Qf4 Kg7 44.h4 1–0. kubak – popissldwon, kurnik, 2012.

8.d3 Nbd7 9.Nbd2 Nb6 10.c4 Qc8 11.Qc1 Bh3 12.a4 Bg2 13.Kg2 Qg4 14.a5 Nbd7 15.e4 (15.h3!? Qf5 16.g4 Ng4 17.Bg7 Kg7 18.hg4 Qg4 19.Kh2+/–) 15...c5= 16.b5 b6 17.a6 h5?? (17...h6 18.h3 Qe6 19.d4 cd4 20.Nd4+/–) 18.Qd1 (better is 18.h3 Qe6 19.Ng5+–) 18...Nh7 19.Bg7 Kg7 20.Nh4 Qd1 21.Rad1 Ne5 22.Ndf3 Nf3 23.Nf3 Nf6 24.h4 Nd7 25.d4 f6 26.d5 f5 27.Ng5 Rf6 28.Ne6 Kg8 29.f3 fe4 30.fe4 Ne5 31.Rf6 ef6 32.Rc1 Re8 33.Rc3 Re7 34.Kf2 Rf7 35.Ke3 f5 36.ef5 Rf5 37.Nf4 Ng4 38.Kf3 Re5? 39.Ng6+– Re1 40.Nf4 Rf1 41.Ke2 Rf2 42.Ke1 Ra2 43.Nh5 1–0. giorgo – daras64, kurnik, 2012.

8.d4 Bf3 9.Bf3 d5 10.Nd2 Nbd7 11.e3 e5 12.de5 Ne4 13.Ne4 de4 14.Be4 Be5 15.c3 Nf6 16.Bg2 Qd1 17.Rfd1 Rad8 18.b5 Rd6 19.Rd6 Bd6 20.bc6 b6 21.a4 a5 22.c4 Ne8 23.Bd4 Bc7 24.c5 bc5 25.Bc5 Bd6 26.Bb6 Nf6 27.c7 Rc8 28.Rc1 Ne8 29.Ba5 Nc7 30.Bc7 Rc7 31.Rc7 Bc7 32.Kf1 Kf8 33.Ke2 Ke7 34.f4 Kd6 35.e4 f6 36.g4 h6 37.f5 g5 38.Kd3 Kc5 39.h3 Kb4 40.Bf3 Ka4 41.Kc4 Ka5 42.Kd5 Kb6 43.Ke6 Be5 44.Kf7 Kc5 45.Kg6 Kd4 46.Kh6 Ke3 47.Bh1 Kf2 48.Kh5 Kg3 49.h4 gh4 50.g5 h3 51.g6 Kh2 52.Bf3 Kg3 53.Bh1 Kh2 54.g7 Kh1 55.g8Q h2 56.Kh4 Bd4 57.Kh3 Be5 58.Qg2 1–0. rryy44 – ankos55, kurnik, 2012.

8.c4 a6 9.d3 Re8 10.b5 ab5 11.cb5 cb5 12.ab5 Ra1 13.Ba1 Qb6 14.Qb3 Bd7 15.Nc3 Be6 16.Qb2 Nbd7 17.Rb1 Nc5 18.Ng5 Bd7 19.Nge4 Ng4 20.Nc5 Qc5 21.Ne4 Qb6 22.Qb4 d5 23.Nd6 Nf2 24.Kf1 Ng4 25.d4 Re6 26.de5 Qf2 0–1. rryy44 – sapmi23, kurnik, 2012.

8.c4 Nbd7 9.b5 c5 10.d3 Nb6 11.Nfd2 Rb8 12.a5 Nbd7 13.Nc3 a6 14.b6 h5 15.Nce4 Ne4 16.Ne4 Nf6 17.Ng5 Bd7 18.Rb1 Bh6 19.Nf3 Bg7 20.Qd2 Bf5 21.Nh4 Be6 22.e3 Nd7 23.Nf3 Bh6 24.h4 Bg7 25.Ng5 Qe7 26.Ne6 fe6 27.Bh3 Nf6 28.d4 ed4 29.ed4 cd4 30.Bd4 e5 31.Bb2 Ng4 32.f3 Nf6 33.Qg5 Kh7 34.Bc1 Qf7 35.Rb4 Ng8 36.Qe3 Bh6 37.Qd3 Qe7 38.Qd5 Nf6= 39.Qe6 Qe6 40.Be6 Bc1 41.Rc1 Ng8 42.Kg2 Rf6 43.Bd5 Ne7 44.Rf1 Nf5 45.Kf2 Nd4 46.Rd1 Rbf8?? 47.f4?? Nf5? 48.Bb7+– ef4 49.gf4 Nh4 50.Kg3 Nf5? 51.Kf3 Nh6 52.Rd4 Ng4 53.Ba6 Ne5+/– 54.Ke3 Nc6 55.Rb5 Nd4 56.Kd4 Rf4 57.Kc3 Rb8 58.b7 h4 59.Rd5 h3–/+ 60.Rd6 h2 61.Rd7 Kh6 62.Rd1 g5?? 63.Rh1+= Rh4 64.c5+/– g4?? 65.c6+– g3 66.c7 g2 67.Rh2 Rh2 68.cb8Q g1Q 69.Qf8 Kh5 70.Qh8 Kg4 71.Qg8 Kf3 72.Qg1 Rf2 73.Qf2! (73.Qf2 Kf2 74.b8Q Kf3 75.Qd6 Kg2 76.Qd5 Kg3 77.Qg5 Kf2 78.Qf4 Kg2 79.Bf1 Kg1 80.Qf3 Kh2 81.Qg2#) 1–0. rryy44 – mosrau, kurnik, 2011.

8.c4 Nbd7 9.d3 a6 10.b5 ab5 11.cb5 cb5 12.ab5 Ra1 13.Ba1 b6 14.Bc3 Nc5 15.Bb4 Qd7 16.Na3 Bb7 17.d4 ed4 18.Nd4 Bg2 19.Kg2 Nd5 20.Bc5 dc5 21.Nc6 Qe6 22.Nc4 Qe4 23.f3 Qc4 24.e4 Ne3 0–1. rryy44 – anagnosk, kurnik, 2012.

8.c4 Bg4 9.d3 Nbd7 10.b5 c5 11.Nfd2 Qc7 12.a5 b6 (better is 12...Rab8!?+=) 13.ab6+– ab6?? (better is 13...Nb6 14.Ba8 Ra8+–) 14.Ra8 Ra8 15.Ba8 Nh5 16.Bg2 Qd8 17.Ne4 Qe7 18.h3 Bf5 19.e3 Be4 20.de4 Nhf6 21.Nc3 Qe6 22.Kh2 Qc4 23.Qd6 Qb3 24.Ba1 Bf8 25.Qc7 Qc4 26.Nd5 Kg7 27.Nf6 Nf6 28.Qb6 Ne4 29.Be4 Qf1 30.Be5 Kg8 31.Qf6 Bg7 32.Qg7# 1–0. rryy44 – demolidor25, kurnik, 2012.

8.a3 Nc7 9.Qc2 a5 10.d3 Bg4 11.h3 Bd7 12.Nbd2 Re8 13.Kh2 Ne6 14.e3 Qc7 15.Rfc1 Nf8 16.Qb3 a4 17.Qc2 e5 18.d4 Bf5 19.e4 Bc8 20.d5 Bd7 21.Qd3 cd5 22.cd5 Qb6 23.Nc4 Qa6 (23...Qf2? 24.Rf1 Qa7 25.Nd6+–) 24.Nfd2 Bb5 25.Rc2 Rac8 26.Rac1 Rc7 27.Qe3 Rec8 28.Bf1 h5 29.Bd3 Bc4 30.Nc4 b5 31.Qb6 Qb6 32.Nb6 Rc2 33.Rc2 (worse is 33.Bc2 Rb8 34.Na4 ba4+=) 33...Rc2 34.Bc2 N8h7 35.f3 Ne8 36.Nc8 f5 37.ef5 gf5 38.Ne7 Kf7 39.Nf5 Ng5 40.Kg2 (40.Ng7 Nf3 41.Kg2 Ne1 42.Kf2 Nc2 43.Ne8 Ke8+=) 40...e4 (40...Kg8+–) 41.Be4 (better is 41.Bg7 ef3 42.Kf2 Nh3 43.Kf3 Ng5 44.Kf4 Nh3 45.Ke3 Ng7 46.Nd6 Kf6 47.Nb5+–) 41...Bb2+= 42.Bd3 Ba3 43.Bb5 Bb4 44.Ba4 ½–½. Hurevich,Mikhail (1715) – Eidelmann,Vova (1885), Nettetal Chessgate op, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c6 7.c4 Na6)

8.a3 Nc7 9.d3 Bd7 10.Nbd2 Qc8 11.Re1 Re8 12.Qc2 a6 13.Rac1 Ne6 14.d4 c5 15.bc5 dc5 16.d5 Nc7 17.e4 Bh3 18.Bc3 b5 19.Qb2 (19.cb5 Nb5 20.Bf6 Bf6 21.e5 Bg2 22.Kg2+/– (22.ef6?! Bf3 23.Nf3 ef6=)) 19...Rb8= 20.Qa1 bc4 21.Nc4 Nb5 22.Be5 Rb7 23.a4 Bg2 24.Kg2 Nc7? (24...Na7 25.Na5 Rb4 26.Bc3+/–) 25.h3 (better is 25.d6 Na8 26.de7+–) 25...Qd7 26.d6 Ne6 27.de7 Rb4? (27...Qe7 28.Nd6 Nd7 29.Ne8 Ne5 30.Ng7 Nf3 31.Kf3 Nd4 32.Kg2 Nb3+/–) 28.Bf6 Ra4 29.Qe5 (better is 29.Nb6 Ra1 30.Nd7+–) 29...Bh6 (29...Bf6 30.Qf6 Qe7+–) 30.Rcd1 Qb5 (30...Qc6 31.Nd6 Ra8 32.e8Q Re8 33.Ne8+–) 31.Nd6 1–0. Auger,Bertrand (2105) – Dion,Jean Francois (1930), Quebec Montcalm op 9th, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

8.Qb3 Nc7 9.Nc3 Bd7 10.d3 Qc8 11.Rfc1 Bh3 12.Bh1 Bh6 13.Rc2 Qg4 14.a4 Nh5 15.Nd1 Qd7 16.b5 Ne6 17.Bc1 Bg7 18.Rb1 Nc5 19.Qa3 h6 20.Bb2 Ne6 21.Bg7 Nhg7 22.bc6 bc6 23.Ne3 f5 24.Rcb2 Rac8 25.Rb7 Rc7 26.Qb4 Rfc8 27.a5 Nc5 28.Rc7 Rc7 29.Qb8 Rc8 30.Qb2 Nge6 31.Nc2 Bg4 32.Nfd4 Nd8 33.Nb4 Na4 34.Qd2 c5 35.Qh6 Bh5 36.Bd5 e6 37.Be6 Ne6 38.Nd5 Rf8 39.Ne6 Qe6 40.Rb7 Qf7 41.Nf6 Qf6 42.Qh7 1–0. Muller – Ong Yew, 1989.

8.a3 a5 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Bc3 Nc5 13.Qb2 Na4 14.Qb3 Nc3 15.Nc3 Be6 16.d4 White intends b5 16...Qa6 17.b5 Qb6 18.Ra1 Nd7 19.e3 c5 20.d5 Bg4 21.Ra2 Bf3 22.Bf3 Ne5 23.Be2 Rc8 24.f4 Nd7 25.Na4 Qc7 26.b6 Qd8 27.Nc3 (27.Bg4 f5 28.Bh3 Kf8+=) 27...Bc3 28.Qc3 Nb6 29.Bg4 Ra8 30.Ra8 Qa8 31.e4? (31.Be2 Qa2 32.Qd3 Qb2-/+) 31...Qa4 (better 31...Qa2-+) 32.Be2=+ Qb4 33.Qb4 (better 33.Qc2!?=+) 33...cb4-+ 34.Kf2? (better 34.Bd1-+) 34...b3 35.Bd3 b2 36.Ke1 Nc4! 0-1. gbsrao (2525) - alencro (2385), net-chess.com, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

8.a3 a5 9.Bd4 Qc7 10.d3 e5 11.Bb2 Qb6 12.Nbd2 c5 13.b5 Nh5 14.Qc2 Qd8 15.Ne4 f5 16.Nc3 Nd7 17.Nd2 Rb8 18.Rae1 g5 19.e3 Nb6 20.Qd1 Nf6 21.Ne2 Re8 22.Qc2 Re7 23.d4 Nbd7? (23...cd4!? 24.ed4 e4=) 24.de5 de5 25.Nf3 (better is 25.Qf5!? Nb6 26.Qc2+–) 25...Ne4 26.Rd1 Qc7 27.Nc3 Nc3 28.Bc3 (28.Qc3? e4 29.Qc2 ef3 30.Bf3 Nf6–+) 28...e4 29.Ng5 Bc3 30.Qc3 Ne5 31.Rd5 Bd7 (31...h6 32.Nh3+–) 32.Nh3 (better is 32.b6!? Qb6 33.Re5+–) 32...Be8 33.b6 (better is 33.Bh1!?+–) 33...Qb6+= 34.Re5 Qf6 35.f4 (better is 35.Be4 Qe5 36.Bd5 Bf7 37.Bf7 Kf7 38.Qa5+=) 35...ef3–/+ 36.Re7 Qc3 37.Bf3 Bc6 (37...Bc6 38.Bc6 bc6 39.Rf5 Qc4–/+) 0–1. Lang,Stefan (2265) – Kapischka,Jens (2315), BL2–O, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.c4 Qb6)

8.Qb3 Nbd7 9.Bc3 (9.d4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Re8 13.Nbd2= 0.16; 9.Nc3 e5 10.Rab1 (10.d3 Re8 11.Rfd1 a5 12.b5 Nc5 13.Qa3= 0.09) 10...a5 11.b5 Nc5 12.Qa3 Bf5 13.d3= 0.13; 9.a3 e5 (9...Re8; 9...a5) 10.d4 (10.Nc3 Re8 11.Ng5 Nc5 12.Qd1 Ne6 13.Nge4= -0.12) 10...Re8 11.de5 Ne5 12.Ne5 de5 13.e4= 0.06/9; 9.a4 a5 10.b5 e5 11.d4 Re8 12.de5 de5 13.Nbd2= -0.12) 9...e5 (9...Re8 10.d4 e5 11.de5 Ne5 12.Ne5 de5 13.Qb2= 0.06) 10.d3 (10.a4 a5 11.b5 Nc5 12.Qb2 Nce4 13.bc6+= 0.38) 10...Re8 11.Nfd2 (11.Nbd2 d5 12.cd5 Nd5 13.Nc4= 0.06) 11...Nf8 (11...Qc7 12.a4= h6 13.a5= 0.00; 11...Qd8 12.a4 Qe7 13.a5= 0.06) 12.c5 dc5 13.Nc4 Qc7 14.bc5 Be6 15.Nbd2 (15.Be5? Qe5!? 16.Ne5 Bb3-+) 15...Nd5 16.Ba5 Qe7 17.a4 (17.e4 Nf6=) 17...Qc5 18.e4 (18.Qb7!? Reb8 19.Ne4 Qf2 20.Rf2 Rb7 21.Nc5=+) 18...Nb6-/+ 19.Bb4 Qd4 20.a5 Nc4 21.Nc4 (21.dc4 b5-/+) 21...b5 22.ab6 ab6 23.Bc3?? (better 23.Ra8 Ra8 24.Bf8 Rf8 25.Qb6 Qd3 26.Ne3-/+) 23...Qd3-+ 24.Nd2 0-1. Szirmai,E (2240) - Hanko,P (2230), Prievidza, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6)

9.a3 Nc5 10.Qc2 Ncd7 (10...Ne6 11.d4=) 11.d4+= Qc7 12.Nbd2 Rb8 13.e4 Ne8 (13...Nh5 14.Rfe1+=) 14.Rfe1+/- White intends e5 14...b6 15.e5 c5 (15...e6 16.Rad1+/-) 16.ed6 ed6 17.dc5 bc5 18.Bg7 Ng7 19.b5 Ne5 20.Ne5 de5 21.Qe4 (21.Qc3 f6+=) 21...f6+= 22.Nb3 (22.Qc6 Qe7 23.Nb3 Ne6+=) 22...Bb7= 23.Qe3 The isolani on c5 becomes a target 23...Bg2 24.Kg2 Rbc8 25.a4 Rfd8 26.a5 Nf5 27.Qf3 Rd6 (27...Kg7 28.Rab1=) 28.a6 (28.Red1 Nd4 29.Nd4 ed4=) 28...Nd4 29.Qc3 (29.Nd4 ed4 (29...cd4? 30.c5 Rdd8 31.Qf6+-) 30.Qb7 Kf8+=) 29...Rcd8 30.Na5 Rb6 31.Nb7?? (better 31.Nb3=) 31...Rb7-+ 32.ab7 Qb7 33.f3 (33.Kg1 Nf3 34.Kf1 Nh2 35.Kg1 Nf3 36.Kf1 Ne1 37.Qe1 Qh1 38.Ke2 Qe4 39.Kf1 Qc4 40.Qe2-+) 33...Re8 (better 33...Nf3 34.Kf1 Ne1 35.Re1 Qh1 36.Kf2 Qh2 37.Kf1 e4-+) 34.Ra6 f5? Black plans e4 (34...e4 35.Rf6 Nf3+= (35...ef3 36.Kf2 Re7 37.Qd2 Re2 38.Re2 fe2 39.Qe3+-)) 35.Rea1+- e4 36.Ra7 ef3 37.Kf2?? (better 37.Kf1 Qb6 38.Ra8+-) 37...Re2-+ 38.Kf1 Qe4 39.Ra8 Kg7 40.R8a7 Kh6 41.Qc1 g5?? (41...Re3 42.Kf2 f4-+) 42.R1a6+- Kh5 (42...Ne6 43.Re6! Qe6+-) 43.Rh7 Kg4 44.h3 Kg3 45.Qg5 Qg4 46.hg4 fg4 47.Qh4 Kf4 48.Rf6 (48.Qh6 Ke4 49.Qg6 Nf5 50.Qg4 Kd3 51.Qf5 Kd2 52.Qf3 Re1 53.Kf2 Re2 54.Qe2 Kc3 55.b6 Kd4 56.Rh4 Kc3 57.Ra2 Kb4 58.Qb2) 48...Ke3 49.Qg4 Rf2 50.Kg1 Ne2 51.Kh1 Rf1 52.Kh2 Rf2 53.Kh3 Nd4 54.Re7 (54.Qg1 Kd3 55.Qf2 Kc3 56.Ra7 Kc4 57.Ra4 Kc3 58.Ra3 Kc4 59.Qa2 Nb3 60.Rd6 Kb5 61.Qb3) 54...Kd3 55.Qe4 Kc4 56.Rd7 Re2 57.Rd4! cd4 (57...cd4 58.Rc6 Mate attack) 58.Qf3 (58.Rc6 Kb5 59.Qd5 Kb4 60.Qc4 Ka3 61.Rb6 Rh2 62.Kh2 d3 63.Qb3) 58...Re3 59.Qe3! de3 60.b6 e2 (60...Kd3 61.b7 e2 62.Re6 Kc4 63.b8Q e1Q 64.Re1 Kc5 65.Qe5 Kc4 66.Rc1 Kd3 67.Rc3 Kd2 68.Qe3 Kd1 69.Rc1) 61.Re6 Kc5 (61...Kd5 62.Re2 Kc6 63.Rb2 Kd6 64.b7 Ke5 65.b8Q Kd5 66.Rd2 Kc4 67.Qb1 Kc3 68.Qc1 Kb4 69.Rb2 Ka4 70.Qa1) 62.b7 e1Q (62...Kd5 63.Re2 Kc4 64.b8Q Kd3 65.Qe5 Kc4 66.Re4 Kd3 67.Re3 Kc4 68.Rc3 Kb4 69.Qc5 Ka4 70.Ra3) 63.Re1 Kc6 (63...Kd5 64.b8Q Kc5 65.Qe5 Kb4 66.Rc1 Kb3 67.Qb5 Ka2 68.Kg4 Ka3 69.Ra1) 64.b8Q (64.b8Q Kc5 65.Qe5 Kb6 66.Qc3 Kb5 67.Rb1 Ka4 68.Qb4) 1-0, Phillips,David A (2040) - Moyse,N (2060), 43rd Blackpool Conference, 2019. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c6)

9.a3 e5 10.d3 (10.Nc3 Re8 11.Ng5 Nc5 12.Qd1 Ne6 13.Nge4= -0.12; 10.d4 e4 11.Nfd2 Be6 12.Be4 Ne4 13.Ne4= 0.06) 10...Re8 11.Nbd2 Qc7 12.Qc2 Qe7 13.e4= 0.16.

9.a3 Bf5 10.d3 e5 11.Nbd2 Rae8 12.Qc2 Be6 13.Ng5+=.

9.Bc3 e5 10.a4 Re8 11.a5 Qc7 12.d3 h6 13.Nbd2=.

9.Bc3 e5 10.d3 Be6 11.a4 Nc5 12.Qc2 Ncd7 13.a5=.

9.Bc3 e5 10.d3 Be6 11.Ng5 Bg4 12.Qb2 Rad8 13.h3 Bc8 14.Nd2 Rfe8 15.Rab1 Nh5 16.Kh2 Qc7 17.b5 Nc5 18.Qa3 Bh6 19.h4 f6 20.Nge4 Ne6 (better 20...Ne4 21.Ne4 d5 22.Qa7 de4+=) 21.bc6 bc6 22.Ba5 Qd7 23.Bd8 Rd8 24.Nf3 Bf8 25.Qa5 Be7 26.Rb8 d5 27.cd5 cd5 28.Nc3 Bc5 29.Nd5! Qd5 30.Ng5 Qg2 (30...Qd6 31.Ne6 Bb6+-) 31.Kg2 fg5 32.Rc1 Bb6 (32...Rf8 33.Rc5 Nc5 34.Qc5 gh4 35.Rc8 Rc8 36.Qc8 Kf7 37.Qd7 Kf6 38.Qd6 Kf7 39.Qe5 hg3 40.Qc7 Ke6 41.fg3+-) 33.Qe5 Bd4 (33...Bd7 34.Rd8 Nd8 35.hg5+-) 34.Qe6! (34.Rcc8?! Be5 35.Rd8 Nd8 36.Rd8 Kf7 37.hg5 Ke6+-) 34...Be6 35.Rd8 Kf7 36.Rd4 Ba2 (36...gh4 37.Rc7 Kf6 38.g4+-) 37.hg5 Be6 (37...Ke6 38.Ra4 Bb3 39.Ra3+-) 38.Rc7 Ke8 39.Rb4 Kd8 40.Rh7 Kc8 41.g4 a5 42.Rd4 Bd5 43.f3 Bg8 44.Rh8 (44.Rh8 Kb8 45.Rg8 Kc7 46.Rg6+-) 1-0. Wygrecki,J - Haluska,J, E Detroit ch-MI M/X, 1987. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0 c6)

9.Bc3 Bf5 10.d3 (10.h3 e5 11.d3 Rae8 12.Nbd2 Qc7 13.e4= 0.19) 10...e5 11.Nbd2 Rae8 12.e4 Be6 13.a4= 0.19.

9.Bc3 h6 10.a4 (10.d3 e5 11.Nbd2 Be6 12.a4 Rfe8 13.e4= 0.16) 10...Nc5 11.Qc2 Nce4 12.a5 Qa6 13.Bd4= 0.16.

8.a4 Na6 9.Qb3 (9.b5 Nc7=) 9...e5 10.d3 Qe7 11.Nc3 Ng4 (11...Rfe8 12.a5=) 12.Ne1 (12.a5 Nf6=) 12...f5 13.Nc2 f4 14.Ne4 fg3 (14...Nf6 15.gf4 Ne4 16.de4 Rf4 17.Qd3=) 15.hg3 (15.fg3 Nf6=) 15...Nc7 (15...Be6 16.b5 Nc7 17.e3=) 16.b5 Ne6 (16...Be6 17.e3=) 17.Ba3 (17.a5 a6=) 17...c5 18.Nc3 (18.Bc1 Rae8=) 18...Rab8 (18...Qg5 19.Bf3–/+ (19.Bb7?? Qh5 20.Rfb1 Qh2 21.Kf1 Qf2)) 19.Nd5 (19.Bc1 Nd4 20.Qb2 Nf6=) 19...Qd8 (19...Qg5 20.Nde3 Ne3 21.Ne3 Nf4 22.gf4 ef4–+) 20.Bc1= h6 21.f3 Nf6 22.Nf6 Qf6+= 23.Kf2 g5 24.Ke1 Qg6 25.Bb2 Nd4 26.Nd4 ed4 27.Kd2 Be5 28.f4 gf4–/+ 29.Be4 Qg7 30.gf4 Bf4 31.Kc2 Be3 32.Bf3 Bg4 33.Rg1 Bg1–+ 34.Rg1 h5 35.Kb1 Kh8 36.Bg4 hg4 37.e3 Rf3 38.ed4–/+ cd4 39.c5 dc5 40.Qd5 Rbf8 41.Qc5 Rf1 42.Rf1 Rf1 43.Ka2 Qf7 44.Ka3 Qf8 45.Qf8 Rf8 46.Bd4 Kg8 47.Ba7 Kf7 48.Kb4 Ke6 49.a5 Kd5 50.Bb6 Ra8 51.Bc7 Kd4 52.a6–/+ ba6 53.b6 a5 54.Ka4+= Kd3 55.b7 Re8 56.b8Q Rb8 57.Bb8 Ke4 58.Ka5 Kf3 59.Kb4= g3 60.Bg3 Kg3 ½–½. Tessier Desrosiers,O – Masse,H, Montreal, 2001.

8.a4 Qc8 9.Re1 (9.Qb3 Bh3=) 9...Na6 (9...Bh3 10.e4=) 10.Qb3 (10.b5 Nc5=) 10...Nc7 (10...Bh3 11.Bh3 Qh3 12.Bf6 Bf6 13.d4=) 11.d3 (11.e4 Bh3=) 11...d5 (11...Bh3 12.Bh3 Qh3 13.Nbd2=) 12.Nbd2 (12.Be5 dc4 13.dc4 Ne6+=) 12...dc4 (12...Bh3 13.e4 dc4 14.Nc4 Bg2 15.Kg2=) 13.Nc4 (13.Qc4 Bh3=) 13...Bh3= 14.Bh1 Be6 15.Qc2 Ncd5 16.Qd2 Rd8 17.Rec1 Qd7 18.Nd4 Nb6 19.Ne5 Ne4? 20.Qf4+– Be5 21.Qe5 Nf6 22.Ne6 Qe6 23.Qe6 fe6 24.b5 cb5 25.ab5 Rd7 26.Rc2 Kf7+/– 27.Rac1 Ne8 28.Be5 Nd6 29.Bd6 ed6 30.Rc7 Rb8 31.Rd7 Nd7 32.Rc7 Ke8 33.d4 Kd8 34.Rc1 a6 35.ba6 ba6 36.Ra1 Rb6 37.Be4 Nb8 38.h4 Rb4 39.e3 e5 40.Bd3 ed4 41.ed4 Rd4 42.Ba6 Na6 43.Ra6 h5 44.Ra7 Re4 45.f3 Re7 46.Ra6 Kd7 47.Kf2 Re5 48.f4 Rb5 49.Ra3 Ke6 50.Kf3 Kf5 51.Rd3 d5+= 52.Re3 d4–/+ 53.Re8? Rb3–+ 54.Kf2 Kg4 55.Re6 Rb2 56.Ke1–/+ Kg3 57.Rg6 Kf4 58.Rg5 Ke3 59.Re5 Kd3 60.Rh5 Rh2 61.Ra5? Rh4 62.Ra3 Ke4 63.Kd1 Rh2 64.Rg3 Rf2 65.Ke1 Ra2 66.Kd1 Kd5 67.Kc1 Kc4 68.Rh3 Rg2 69.Rf3 d3 70.Rf8 ½–½. Valenta,Vit (2170) – Klecker,Tadeas (1890), Znojmo CZE Open, 2006.

8.a4 e5 9.Nc3 =.

8.Nc3 e5 =.

8.d3 e5 9.Nbd2 Nh5 10.Qc2 (10.Ne4 Bf5+=) 10...f5 (10...Qe7 11.d4=) 11.e3 (11.c5 Be6+=) 11...Qe7 (11...Be6 12.a4=) 12.a4 (12.c5 d5+=) 12...Na6 13.b5 Nb4 (13...Nc7 14.Rfc1=) 14.Qb3 (14.Qb1 a5=) 14...c5 (14...a5 15.Rad1=) 15.Ne1+= Rab8 (15...Be6 16.Bc3+=) 16.Nc2 (16.a5 d5+=) 16...Nc2 17.Qc2 Nf6 18.f4 Ng4 19.Rfe1 Rfe8 20.Nf1 Qf7 21.Rad1 Kh8 22.h3 Nh6 23.Nh2 Qf8 24.Qf2 Re7 25.d4 cd4 26.ed4 e4+= 27.Nf1 b6 28.Ne3 Be6 29.d5 Bd7 30.Ba3 Ree8 31.Qd2 Nf7 32.Qf2 Rec8 33.Bf1 Nd8 34.g4 Nb7= 35.Be2 Kg8 36.Kh2 Rd8 37.Rg1 Qf6 38.gf5+= Bf5 39.Rb1 Qf7 40.Nf5+/– Qf5 41.Bg4 Qf6 42.Be6 Kh8 43.Qe3 Rf8+= 44.Rgf1 Qd4? 45.Qd4+– Bd4 46.Bb2?? Bb2+= 47.Rb2 Nc5 48.Bg4 Rf6–/+ 49.Re2 Rbf8 50.Kg3 h5 51.Be6 Re8 52.f5 g5?? 53.Ra1 Re7 54.a5 Kg7 55.ab6 ab6 56.Ra8 Rf8 57.Ra3 Kf6= 58.h4 g4 59.Kf4= Rg7 60.Ree3 Rb8 61.Rg3 Rc8?? 62.Rac3 Ra8–/+ 63.Rc2 Rga7 64.Re3 Ra3 65.Rcc3? Ra1 66.Re2 Rf1 67.Kg3 Rf3 68.Rf3 ef3 69.Rb2 Ra4 70.Rc2 Ra1 71.Bg8 Ne4 72.Kf4 f2 73.Rf2 Nf2 74.c5 bc5 75.b6 Rb1 76.Bh7 Rb6 77.Bg6 c4 78.Bh5–+ c3 79.Ke3 Kf5 80.Be8 g3 81.Ba4 Rb2 82.Kf3 c2 83.Bc2 Rc2 84.Kg3 Ng4 85.Kf3 Rc3 86.Ke2 Ke4 87.Kd2 Rh3 (87...Rh3 88.h5 Rh5–+; 87...Rc4 88.Ke2 Rc2 89.Ke1 Ne3 90.h5 Kd3 91.h6 Re2#) 0–1. Hartlaub,Marianne – Burzler,A, Uttenreuth, 1996.

8.d3 a5 9.b5 cb5 10.cb5 a4 11.Na3 Nc5 (11...Nb6 12.Rc1=) 12.Qd2 Bd7 13.Ng5 Qb6 14.Nc4 (14.Rab1 d5=) 14...Qb5 15.Rab1 Qa6 16.Bd4 Bb5 17.Rfc1 h6 18.Nf3 Rfc8 19.Bf6 Bf6 20.Qh6 Ne4 (20...Ne6 21.Bh3 d5 22.Nce5+=) 21.Na3 (21.Bh3 Rc6 22.Bd7 Nc3 23.Bc6 Qc6+=) 21...Rc1= 22.Rc1 Nc3 23.Rc2 Be8 24.Qd2 Rc8 (24...Nb5 25.Nc4=) 25.e4+= Qc6 26.d4 e5 (26...b5 27.e5 Bg7 28.Ne1+=) 27.de5+/– de5 28.Bh3 Rc7 29.Qe1 (29.Kg2!?+=) 29...Bd8= 30.Qe3 Qc5 31.Qd3? (31.Qc5!? Rc5 32.Ne5 Ne4 33.Rc5 Nc5 34.Bg2=+) 31...Bf6 (31...Be7 32.Nb1 Bb5 33.Qc3–/+) 32.Nd2 (better is 32.Nb1!? Bb5 33.Qc3–/+) 32...Qa3–+ 33.Nb1 (33.Nc4 Qb4 34.Rc3 b5–+) 33...Nb1 34.Qa3 Rc2 (34...Na3?! 35.Rc7 Bc6 36.Bd7 Be4 37.Ba4–+) 35.Qd3 Rb2 36.Bd7 0–1. b4_player – mughetti, gamecolony.com, 2006.

8.d3 e5 9.Nbd2 Qc7 10.Qc2 Nh5 11.e4 f5 12.d4 f4 13.de5 Ne5 14.Ne5 de5 15.c5 Be6 16.Bf3 Qe7 17.g4 Qg5 18.h3 Qh4 19.Bg2 f3 20.Bf3 Rf3 21.Nf3 Qh3 22.gh5 Qg4 23.Kh2 Qh5 24.Kg1 Qf3 25.Qc3 Qe4 26.Rfe1 Qg4 27.Qg3 Qb4 28.Be5 Be5 29.Re5 Qd4 30.Rae1 Bd5 31.Re7 Rf8 32.Qh2 Qg4 33.Qg3 Qd4 34.Re8 Qc5 35.Qh4 Bf7 36.R8e7 b5 37.R7e3 Qf5 38.Rh3 g5 39.Rg3 h6 40.Qh6 Bg6 41.Rf1 Kf7 42.Rg5 Qf6 43.Rg3 Rh8 44.Qe3 Qh4 45.Qa7 Kf8 46.Qb8 Kf7 47.Qc7 Kf8 48.Qc8 Kg7 49.Qd7 Kf8 50.Qd6 1–0. Jonsson – Johansson, Sweden juniors 1980.

8.d3 e5 9.Nbd2 Re8 10.Qc2 Qc7 11.Rfc1 h6 12.Nb3 Nf8 13.a4 Nh5 14.d4 e4 15.Ne1 Bf5 16.e3 Nf6 17.d5 (17.a5!?=) 17...cd5=+ 18.Nd4 dc4 19.Nf5 gf5 20.Qc4 Qd7 21.Qc7 (21.f3 Rac8 22.Qb3 Qe6=+) 21...Rac8 (21...Qc7 22.Rc7 Nd5 23.Bg7 Nc7 (23...Kg7?! 24.Rb7 Reb8 25.Rb8 Rb8 26.b5=) 24.Bh6 Nfe6–/+) 22.Qd7=+ N6d7 23.Bg7 Kg7 24.Bh3 Kf6 25.Rd1 Ke6 26.Rac1 Ne5 27.Nc2 Nf3 28.Kg2 Ke5 (28...Nd7 29.Na3–/+) 29.Nd4 (29.Kh1 Red8=+) 29...Nd4 30.ed4 Kf6 31.Kf1 Ne6 32.Ke2 (better 32.d5!? Rc1 33.Rc1–/+) 32...Rc1 33.Rc1 Nd4 34.Ke3 Ne6 35.Bf1 (35.Rd1 Ke5 36.f4 ef3 37.Kf3 Ng5 38.Kg2 Rc8 39.Re1 Kf6–+) 35...Ke5 (35...d5 36.Kd2–+) 36.Bb5 (better 36.f4 Kf6 37.Rd1–+) 36...Rd8 37.Be2 d5 38.Bh5 Kf6 39.Be2 d4 40.Kd2 d3 41.Bd1 Rd4 42.b5 b6 43.Rc6 Rb4 44.Kc3 (44.Rd6 Ke7 45.Rc6 Rb2 46.Ke3 Rb1–+) 44...Rb1 45.Kd2 Rb2 46.Ke3 Rb1 47.Kd2 Ke5 48.Rc8 f4 49.Bg4 (49.gf4 Nf4 50.Re8 Kd4 51.Rd8 Nd5 52.Rd7–+) 49...Rb2 50.Ke1 f3 51.Be6 fe6 52.Rd8 Re2 (52...Re2 53.Kd1 Rf2–+) 0–1. Day,Christopher – Peng,Shunkai (1760), Hong Kong International Open Chess Cham, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.c4 Nbd7)

8.a4 a5 9.b5 Qb6 10.Bd4 c5 11.Bb2 Nbd7 12.d3 e5 13.Nbd2 Ne8 14.Ne4 f5 15.Neg5 Bf3 16.ef3 Rf6 17.f4 h6? (17...Nc7 18.Qf3 Rb8 19.Rfe1=) 18.Nf3 (18.Bd5!? Kh8 19.Nf7 Kh7 20.fe5 de5 21.Ne5 Ne5 22.Be5+/–) 18...Nc7 19.fe5 de5 20.Qc2 (better is 20.Ne5!? Ne5 21.Be5+/–) 20...Re6= 21.Nd2 Rd8 22.f4 Qd6 23.Bb7+/– ef4 24.Bg7 Kg7 25.Rf4 Re2 26.Qc3 Ne5 27.Qa5 g5?? 28.Rf5+/– Qd4 29.Kf1 Rd2 30.Qc7? Rd7?? 31.Qe5+– Qe5 32.Re5 R7d3 33.a5 1–0. rryy44 – frankmelo, kurnik, 2012.

8.a4 Nbd7 9.d4 Rb8 10.Nbd2 Bf3 11.Nf3 b6 12.Nd2 c5 13.dc5 bc5 14.b5 Nb6 15.Bc6 d5 16.a5 Nc4 17.Nc4 dc4 18.Qd8 Rfd8 19.Rad1 Rdc8?? (better is 19...Ng4 20.Ba3 Ne5 21.Bc5 Nc6 22.bc6 Rdc8 23.Ba7 Ra8=) 20.Be5+– Rc6?? (better is 20...c3+–) 21.Bb8 Rc8 22.Ba7 Ne4 23.b6 Nc3 24.b7 Re8 25.Rd2 Nb5 26.b8Q Rb8 27.Bb8 c3 28.Rd8 Bf8 29.a6 Nd4 30.e3 Nc6 31.Rc8 Ne5 32.Be5 f6 33.Bc3 Kf7 34.a7 (34.a7 e5 35.a8Q Kg7 36.Rc7 Kh6 37.Qe4 Kg5 38.Rh7 Bh6 39.h4 Kh5 40.Qf3) 1–0. mapaj – jg111, kurnik, 2012.

8.d3 Qd7 9.Nc3 Bh3 10.Qd2 (10.e4 Bg2 11.Kg2 c5=) 10...Na6 (10...Bg2 11.Kg2 d5 12.cd5 cd5 13.Rac1=) 11.b5 (11.a3 Bg2 12.Kg2 d5=) 11...Nc7 (11...Bg2 12.Kg2 cb5 13.Nb5=) 12.a4 Bg2 13.Kg2 Rab8 (13...d5 14.Qf4=) 14.Rfb1 (14.Qe3 a6=) 14...h5 (14...d5 15.Qe3 dc4 16.dc4+=) 15.Qe3+= Ng4 (better is 15...a6!?+=) 16.Qa7+/– Ne6 (16...d5!?+/–) 17.bc6+– Qc6 18.Nd5 Ra8?? (better is 18...Qd7+–) 19.Ne7 (19.Ne7 Kh7 20.Nc6 Ra7 21.Na7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.h3 Bd7 9.Qc2 Na6 10.a3 Nc7 11.d3 e5 12.c5 dc5 13.bc5 (13.Be5?! cb4 14.ab4 Ncd5=; 13.Ne5?! cb4 14.ab4 Be6=; worse is 13.Qc5 Qc8=) 13...Nh5 14.Be5 Be5 15.Ne5 Be6 16.Qb2 Rb8 17.d4 f5 18.Nd2 Nf6 19.e3 Kg7 20.Rab1 Bd5 21.f3 h5 22.e4 Be6 23.Ndc4 Bc4 24.Nc4 Ne6 25.Rbd1 Qc7 26.e5 Nd5 27.f4 b5 28.cb6! ab6 (28...ab6 29.Bd5 Decoy; 28...Nb6 29.Qb4 Combination) 29.Bd5 cd5 30.Nd6 Qa7 31.Rf3 Qa4 32.Rd2 Qa5 33.h4 Ra8 34.Rb3 Rfb8 35.Kf2 Ra6 36.Rc2 Qa4 37.Nb5 Rb7 38.Rb4 Qa5 39.Qc3 1–0. Kivipelto,Kaj Erik (2170) – Riihimaki,Pekka, Kurikka We KurVi op, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6 7.c4 Bg4)

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.c3 Nd5 12.e4 Ndc7 13.Nbd2 f5 14.Qb3 Be6 15.c4 Ba1 16.Ra1 c5 17.b5 Nb4 18.Nd4 Bc8 19.ef5 gf5 20.Nc2 Nc2 21.Qc2 e5 22.Ra7 b6 23.Qd1 Rf7 24.Qh5 Qf6 25.h4 Kg7 26.Qf3 Ne6 27.Qa8 Qd8 28.Rf7 Kf7 29.Bd5 Qc7 30.Nf3 h6 31.h5 Kf6 (better is 31...Kg7!?=) 32.Be6+/– Ke6 33.Qd5 Ke7 34.Qg8 Be6?? (better is 34...Qd7+/–) 35.Qg7+– Bf7 36.Qh6 (36.Ng5 hg5 37.h6 Qa7+–) 36...Qa7 (36...Qd7+–) 37.Qg5 Ke8 38.Qf5 Qd7 39.Qd7 Kd7 40.h6 Bg6 41.Ng5 Bd3 42.h7 Bh7 43.Nh7 Ke7 44.Ng5 d5 45.cd5 Kd6 46.Ne4 Kd5 47.f3 Kc4 48.g4 Kd4 49.g5 Kd5 50.g6 Ke6 51.Nc5! (51.Nc5 bc5 52.b6+–) 1–0. Aguettaz,Maxime (2205) – Stoppa,Omar (2220), Grenoble Masters 1st, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.d3 a5)

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Qb6 12.Qd2 Bd7 13.Na3 d5 14.Rb1 Ng4 15.e3 Nc7 16.Bg7 Kg7 17.h3 Nf6 18.Rb3 Ra8 19.Nd4 e5 20.Nf3 e4 21.Nd4 ed3 22.cd3 Ne6 23.Nac2 Nd4 24.Nd4 Ra1 25.Kh2 Qa7 26.Rb2 Ra3 27.Bf1 Ne8 28.Be2 Nd6 29.g4 b6 30.Nc2 Qc7 31.Kg2 Ra4 32.Qc3 f6 33.Nd4 c5 34.Rc2 Nb7 35.Qb3 Qd6 36.bc5 Nc5 (36...bc5?? 37.Qb7 Ra5 38.Bf3+–) 37.Qb2 Ne6 38.Ne6 Be6 39.d4 Bd7 40.Rc3 Ra7 41.Rb3 Rb7 42.Bb5 Be6 43.Ra3 f5 44.Be2 fg4 45.hg4 Qd7 46.f3 h5 47.gh5 gh5 48.e4 Bh3 49.Kf2 Qd6 50.e5 Qg6 51.Bf1 Bf1 52.Kf1 h4 53.Qg2 Qg2 54.Kg2 Kg6 55.Rb3 b5 56.Kh3 Kg5 57.Rb4 Kf4 58.e6 Kf3 59.Kh4 Kf4 60.Kh3 Kf5 61.Kg3 Ke6 62.Kf4 Kd6 63.Ke3 Re7 64.Kd3 Kc6 65.Rb1 Kb6 66.Kc3 Rc7 67.Kd3 Rc4 68.Ra1 b4 69.Ra8 Rc3 70.Kd2 Kb5 71.Rd8 Kc4 72.Rb8 Rd3 73.Kc2 b3 74.Kb2 Kd4 (74...Rd2!? 75.Kb1–+) 75.Rb4 Ke3 76.Rh4 d4 0–1. Moeller,Hendrik (2180) – Dueck,Stefan (2025), GER–ch Clubs U20, 2007.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.c3 Be6 12.Nbd2 Na6 13.Nd4 Nc7 14.Ne6 fe6 15.Qb3 d5 16.Nf3 Ra8 17.Bb2 Nd7 18.Bh3 Nc5 19.Qc2 Ra2 20.Qb1 (20.bc5?! Qb2 (20...Rb2?? 21.cb6 Rb6 22.Qa4+–) 21.Qb2 Rb2=) 20...Rb2 21.Qb2 Na4 22.Qa3 Nc3 23.Ng5 (better is 23.e3!?+=) 23...Ne2+= 24.Kg2 Nd4 25.Qa4 h6 26.Nf3 Nf3 27.Kf3 Qd4 28.Re1 e5 29.Qa5 Qd3 30.Re3 Qd1 31.Kg2 Ne8 (better is 31...d4!? 32.Re5 b6 33.Qa2 Kf8+=) 32.Be6 Kh7 33.Qd8 Nf6 34.Rf3 (34.Re5 Qd4 35.Re2 Qb4+=) 34...h5 35.Qe7 Kh6 (35...Qd2 36.Rf6 Qg5 37.Rf7 Qe7 38.Re7+–) 36.Rf6 (36.Qb7 Ne4 37.Rf7 Nd2+=) 36...Bf6 (36...e4 37.Rf7 Qd4 38.Qb7 e3 39.Qc6 Qe4 40.f3 Qd3 41.Bd5 Qe2 42.Kh3 Qf1 43.Kh4 Qg1+–) 37.Qf6 Qd3 (37...Qg4 38.Qh8 Kg5 39.h4 Qh4 40.Qd8 Kh6 41.gh4 Kg7 42.Qg8 Kf6 43.Qf7) 1–0. Schettler,Juergen (2170) – Schmidt,Michael, RLP–chT, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 c6 6.0-0 0-0 7.d3 a5)

8.a3 ab4 9.ab4 Ra1 10.Ba1 e5 11.Nbd2 Na6 12.Bc3 (12.Qb1!?=) 12...Nd5–/+ 13.Bb2 Nab4 14.c4 Nc7 15.Qb3 c5 16.d4 Nc6 17.dc5 dc5 18.Ne4 Ne6 19.e3 Qe7 20.Rd1 Rd8 21.Rd5 f5 22.Nc3 e4 23.Ne1 Nb4 24.Rd8 Qd8 25.Na4 Qd2 26.Bc3–/+ Bc3 27.Qc3 Qc3 28.Nc3 Bd7 29.f3 ef3 30.Bf3 Bc6 31.Nd5 Kf7 32.Nb4 Bf3 33.Nf3 cb4 34.Ne5 Ke7 35.Nd3 b3 36.Kf1 Nc5! 37.Nb2 Kd6 38.Ke2 Ke5 39.Kf3 b6 40.h3 g5 41.g4 f4 42.ef4 gf4 43.g5 Ne6 44.h4 Kf5 45.Ke2 Kg4 0–1. Hamornik,Jozef (2110) – Zagrapan,Pavol (2135), SVK–chT3C, 2000.

8.a3 e5 9.Nbd2 ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa3 Nd5 13.c3 b5 14.e3 Nb6 15.c4 Na4 16.Ba1 Qe7 17.e4 f5 18.cb5 cb5 19.Re1 fe4 20.de4 Bd7 21.Qd3 Kh8 (worse is 21...Nb4 22.Qb3 d5 23.ed5+/–) 22.Rb1 Nb6 23.Qe3 Nc8 24.Bc3 Bc6 25.Nb3 Qf6 26.Ra1 Nc7 27.Rc1 Na6 28.Bd2 Bd7 29.Na5 Bg4 30.h3 Bh6 31.Qh6 Bf3 32.Qe3 Bg2 33.Kg2 Qf7 34.Nc6 Kg8 35.Qe2 Nc7 36.Bh6 Re8 37.Qc2 Ne6 38.Ne5 de5 39.Qc8 g5 40.Rc6 Qe7 41.Qa6 Kf7 42.h4 Qb4 43.Bg5 Qe4 44.Kh2 Qf3 45.Be3 Qd5 46.Rd6 Qc4 47.Qb7 Re7 48.Qf3 Kg8 49.Qf6 (49.Qf6 Rf7 50.Qe6 Qe6 51.Re6+–) 1–0. Rosenhoefer,Thomas – Fritsch,Wolfgang, GER jub50 qJVM32 corr, 1996. (=1.Nf3 g6 2.g3 Nf6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.d3 a5)

8.ba5 Qa5 9.c4 Na6 10.a4 (10.Qd2 Qh5+=) 10...Qh5 (10...Bd7 11.Nbd2+=) 11.Nbd2+= Bh3 12.Qc2 e5 (12...Nc5!?+=) 13.Ba3= Rad8 14.Rab1 Rd7 (14...Bc8 15.Rfd1+=) 15.Rb6 Bh6 (15...Bg2!? 16.Kg2 Ra8+=) 16.Rfb1 Bd2 (16...Bg2 17.Kg2 Bd2 18.Qd2+/– (worse is 18.Nd2 Qe2 19.Qd1 Qd3+=)) 17.Bh3+– (17.Nd2 Bg2 18.Kg2 Qe2–/+) 17...Qh3 18.Nd2 (18.Qd2 e4 19.Ng5 Qf5 20.Rb7 ed3 21.ed3 Nc5 22.Bc5 dc5 23.Rd7 Nd7+–) 18...Ng4 (18...c5 19.Qd1+/–) 19.Nf1 c5 20.Rb7 (better is 20.Qd2+/–) 20...Nc7? (better is 20...Nb4!? 21.R1b4 cb4 22.Rd7 ba3+–) 21.a5+– f5 22.f3 f4?! 23.fg4 fg3 24.Ng3 Rdf7 25.Rb8 Ne8 26.e3 Rf3 27.Qg2 Qg4 28.a6 h5 29.a7 h4 30.Ne4 (30.Ne4 Qg2 31.Kg2+–) 1–0. Davies, (2495) – Mauro,A (2230), Open A Lido Estensi ITA, 2000.

8.a4 Bb7 9.Nbd2 Qd7 10.Nb3 Na6 11.Na5 Nb4 12.Rb1 Nbd5 13.ab5 cb5 14.Nb7 Qb7 15.c4 Nc7 16.Nd4. Stockwell,Mark (2040) – Algaba,Fernando, IECG, 2001.

8.Nbd2 Bb7 9.a3 a5 10.c3 ab4 11.cb4 Nbd7 12.Qc2 Nb6 13.Nd4 Rc8 14.Rfc1 (14.Nc6? Qe8 15.Rfc1 d5 16.Ne7 Qe7–/+) 14...Na4 15.Rab1 (15.Bc6? A) 15...Nb2 16.Qb2 Qb6 17.Bb7 (worse is 17.Bb5 Ng4 18.N2b3 Qb5–/+) 17...Qb7 18.Rc8 Rc8 19.Rc1+=; B) 15...Ng4–+) 15...Nb2 16.Rb2 Qd7 17.Qb3 (17.Nc6? d5–+) 17...Nd5 18.N2f3 e5 19.Nc2 Nb6 20.Ra2 Na4 21.Ne3 c5 22.Rac2 Bf3 23.Bf3 cb4 24.ab4 Rc2 25.Rc2 Rc8?? 26.Nd5 Rc2 27.Qc2 Qe6 28.Qc6 Nb2 29.Qb5 Nd1 30.Qb8 Bf8 31.b5 Qd7 32.Kg2 Kg7 33.b6 (33.b6 Qb5 34.b7+–) 1–0. linakip – chequemate26, kurnik, 2012.

8.a3 a5 9.c3 c5 10.Nbd2 ab4 11.ab4 Ra1 12.Qa1 cb4 13.Nc4 Qc5 14.cb4 Qb4 15.Bd4 Nh5 16.Rb1 Bd4 17.Nd4 Qc5 18.Bb7 Nd7 19.Nc6 Re8 20.Qa6 Bb7 21.Rb7 Qf5 22.Qa7 Nhf6 23.e4 Qh3 24.Ne3 Kf8 25.Rc7 h5 26.d4 Qe6 27.d5 Qh3 28.Qa1 Kg8 29.e5 de5 30.Ne5 Ne5 31.Qe5 Ng4 32.Ng4 Qg4 ½–½. Sigurjonsson,G – Vatter,H, BL, 1981. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.d3 Qb6)

8.a3 a5 9.Nbd2 ab4 10.Nc4 Qb5 11.ab4 Ra1 12.Qa1 Na6 (better 12...Qb4!? 13.Bd4 Nh5=) 13.Nd6+= ed6 14.Bf6 Bf6 15.Qf6 Qb4 16.h4 (16.e3 Nc7+=) 16...Nc7 17.h5 Nd5 18.Qg5 (18.Qd4 Qd4 19.Nd4 Nc3=) 18...Qg4 (18...Qc3!?=) 19.hg6 ½–½. Podmore,Duncan (1700) – Masiya,Mfundo, SA Junior Closed Chess Championship U18, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6 7.d3 Qb6)

8.a3 c5 9.Bc3 Nc6 10.bc5 dc5 11.Nbd2 Bd7 12.Nc4 Qd8 13.Rb1 b6 14.Nfe5 Rc8 15.Nd7 Nd7 16.Bg7 Kg7 17.c3 Kg8 18.Qa4 Ndb8 19.Qb5 Qc7 20.a4 Ne5 21.a5 Nc4 22.Qc4 Nd7 23.Rb2 Ne5 24.Qa6 Rb8 25.Rfb1 ba5 26.Rb7 Rb7 27.Rb7 Qd6 28.Qa7 Re8 29.Qa5 Ng4 30.h3 Nf6 31.Rb6 Qe5 32.Qb5 Kf8? 33.d4+– Qg5 34.Bc6 Qc1 35.Kg2 Rc8 36.dc5 Qc3 37.Rb8 Rb8 38.Qb8 Kg7 39.Qb5 Qc2 40.Bf3 Ne4 41.Be4 Qe4 42.f3 Qc2 43.c6 e5?? 44.Kf2 Qc1?? 45.Qb6 Qh1 46.Qc5 Kh6?? 47.Qe5 Qh2 48.Ke1 Qg1 49.Kd2 Qb6 (49...Qb1 50.c7 Qa2 51.Ke3 Qa7 52.Kf4 Qa4 53.e4 Qc6+–). Viloria,Daniel – Bobadilla,Mario, COL Columbia, 1999.

8.a3 c5 9.Qd2 a5 10.c4 ab4 11.ab4 Ra1 12.Ba1 cb4 13.Qa2 Nc6 14.Nbd2 Bd7 15.Rb1 Qa6 16.Qa6 ba6 17.Nb3? (better is 17.Nd4!? Nd4 18.Bd4–/+) 17...a5–+ 18.Nfd4 Nd4 19.Bd4 a4 20.Na5 b3 21.Nb3 ab3 22.Rb3 Ng4 23.Ba7 Ne5 24.Rb7 Bc6 25.Re7 Bg2 26.Kg2 Nc6 27.Rb7 Na7 28.Ra7 Re8 29.e3 Rb8 30.Ra6 Bf8 31.Rc6 Kg7 32.d4 Rb2 33.h4 h5 34.Rc7 Rc2 35.Kf3 Rd2 36.Kg2 Kf6 37.c5 (better is 37.Kf3!?–/+) 37...dc5–+ 38.dc5 Rc2 39.c6 Ke6 40.Rc8 Bd6 41.e4 (41.Kf3 Be7–+) 41...Be5 (41...Bc5!? 42.Kh3 Bf2 43.g4–+) 42.Re8 Kd6 43.c7 Rc7 0–1. Russo,Carmelo (1765) – Gangemi,Salvatore (2100), Catania weekend op 9th, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 c6 7.d3 Qb6)

8.a3 e5 9.Nbd2 Nbd7 10.e4 Qc7 11.d4 Re8 12.de5 de5 13.Re1 Nb6 14.c4 c5 15.Qc2 Bd7 16.b5 Bg4 17.a4 Rad8 18.Nf1 (18.h3 Bc8+=) 18...Bh6 19.Rad1 Bf3 20.Bf3 Nbd7 21.Bg2 Nf8 22.Bh3 Bg5 23.f3 h5 24.Rd8 Rd8 25.Bc3 Qd6 26.Kf2 N6h7 27.Ke2 Ne6+= 28.Rd1 Nd4 29.Bd4 cd4 30.c5 Qc7 31.Kd3 a6 32.c6+= ab5 33.ab5 Ra8 34.cb7?? Ra3–+ (34...Ra3 35.Qb3 Rb3 36.Ke2 Rb2 37.Rd2 Bd2 38.b8Q Qb8 39.b6 Be3 40.Ke1 Qa8 41.Ne3 de3 42.b7 Qa1#) 0–1. Djukic,Milovan – Popovic,Mladen, Ch Yugoslavia team, 1994. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.d3 Qb6)

8.Nbd2 Nb6 9.a4 Nbd5 10.c3 Nh5 11.Qc2 a6 12.e4 Nc7 13.c4 Nf6 14.Qb3 Be6 15.Qa3 b5 16.cb5 ab5 17.a5 Na6 18.Bc3 Qc8 19.Nd4 Bh3 20.Bh3 Qh3 21.Nc6 Ng4 22.Nf3 Rfe8 23.Bg7 Kg7 24.Qc3 Kg8 25.e5 Rac8?? 26.Ne7!+– Re7 27.Qc8 Kg7 28.Qd8 Re5 29.Qd6 Rf5 30.Qd4 Kh6 31.Rfd1?? Rf3–+ 32.Qe4 Qh2 33.Kf1 Rf2 34.Ke1 Qg1# 0–1. linakip – goniec80, kurnik, 2012.

8.Nbd2 e6 9.Qc1 e5 10.Re1 Re8 11.e4 a5 12.c3 ab4 13.cb4 c5 14.b5 Nb6 15.a4 Na4 16.Nc4 Bd7 17.b6 Bb5 (17...Nb6 18.Ra8 Na8 19.Nd6+/–; 17...Nb2?! 18.Ra8 Qa8 19.Qb2–/+) 18.Nfd2 Nb2 19.Qb2 Bc4 20.Nc4 Ra1 21.Ra1 Qd7 22.Ra7 Rb8 23.Qa2 Bf8 24.Ra8 Qc8 25.Ra7 Nd7 26.Qa4 Qe8 27.Bh3 Nf6 28.Qe8 Ne8 29.Bd7 Nf6 30.Bh3 g5 31.Na5 g4 32.Bg2 Be7 33.Bf1 Bd8 34.Rb7 Rb7 35.Nb7 Bb6 36.Nd6 Bc7 37.Nc4 Nd7 38.Be2 h5 39.Kg2 f6 40.h4 Kg7 41.f3 gf3 42.Bf3 Kg6 43.Kh3 Nb6 44.g4 hg4 45.Bg4 Nc4 46.dc4 Ba5 47.Be6 Be1 48.Kg4 Bd2 49.h5 Kh6 50.Bf7 Bg5 51.Bg6 Kg7 52.Kf5 Kf8 53.Ke6 Kg7 54.Kd5 (54.Kd5 Be3 55.Be8+/–) 1–0. linakip – popissldwon, kurnik, 2011.

7.b5 Nb4?? 8.c4+– e5 (better is 8...Bf5 9.d3 d5+–) 9.a3 e4 10.Ne1 (10.ab4?! ef3 11.Bf3 d5+/–) 10...Nd3 (10...Nc6 11.bc6 bc6 12.Nc3+–) 11.ed3 ed3 (11...Bg4 12.f3 ef3 13.Bf3+–) 12.Nd3 Bg4 (12...Be6 13.Qa4 Bf5 14.Nb4+–) 13.Qc2 Re8 (13...Rb8 14.Nc3+–) 14.Bb7 Rb8 (14...Bh3 15.Nc3 (15.Ba8?! Qa8 16.Nf4 Bf1=) 15...Bf1 16.Rf1+–) 15.Bc6 Re7 (15...Bd7 16.Nb4+–) 16.Nc3 Nh5 (16...Bf5 17.Rfe1+–) 17.Nd5 Ng3 (17...Re6 18.Bg7 Kg7+–) 18.fg3 Re2 19.Bg7 Kg7 20.Qc3 Kg8 21.Nf6 (21.Nf6 Qf6 22.Qf6+–) 1–0. wiking – tjahafs, internet, 2010.

7.b5 Nb8 8.a4 Nbd7 9.Na3 b6 (9...e5 10.d4=) 10.d4 (10.Nd4!? d5 11.Nc6+/-) 10...Bb7= 11.c4 e6 12.Re1 Rc8 13.Rc1 c6 14.e4 (14.bc6 Rc6 15.Nd2 d5=) 14...cb5= 15.e5 (15.Nb5 Ne4 16.Nd2 Nd2 17.Bb7 Nc4 18.Bc8 Nb2+/-) 15...de5=+ 16.de5 Ng4 17.ab5 Qe7 18.h3 Nh6 (18...Bf3!? 19.Qf3 Nge5 (worse 19...Nde5 20.Qb3+=) 20.Be5 Ne5-/+) 19.Qb3 Rfd8 20.Nc2 (better 20.Rcd1=) 20...Nc5-/+ 21.Qc3? (21.Qa2 Nd3-/+) 21...Nd3 (better 21...Rd3 22.Qb4 Bf3 (22...Rf3?! 23.Bf3 Bf3 24.Nd4-+) 23.Bf3 Rf3-+) 22.Ba3 Qd7 (better 22...Qc7!? 23.Ncd4 Nc1 24.Rc1 Nf5 25.Nf5 ef5-/+) 23.Rcd1=+ Bf3 24.Bf3 Nf5?? (better 24...Ne1 25.Rd7 Nf3 26.Qf3 Rd7=) 25.Be4 (25.Bc6!? Qc7 26.Rd3 Rd3 27.Qd3 Be5+-) 25...Be5 26.Qd3 Qd3 (26...Qc7 27.Qe2 Nd4 28.Nd4 Bd4 29.Qf3 Qc4 30.Bb7+-) 27.Rd3 Rd3 (27...Nd4 28.Nd4 Bd4 29.Rc1+-) 28.Bd3 Nd4 29.Nd4 (29.Re5?! Nf3 30.Kf1 Ne5=) 29...Bd4 30.Rd1 e5 31.Kg2 f6 32.Kf3 (32.Be4 Kg7 33.Bd5 h6+-) 32...a6 (32...f5 33.Kg2+-) 33.ba6 Ra8 (33...f5 34.Ke2+-) 34.Bb4 (better 34.c5 bc5 35.Bc4 Kg7+-) 34...Ra6 35.c5 Ra3 (35...bc5 36.Bc5 Ra1 37.Ra1 Ba1+-) 36.Ba3 (36.Ba3 bc5 37.Bc4 Kf8 38.Rb1+-) 1-0. geochess (2110) - PERSIANCHESSPLAYER (2000), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0)

8.d3 d5 9.Ne5 (worse is 9.Be5 Ne5 10.Ne5 Ng4+=) 9...Ne5 10.Be5 Qe7 11.Bb2 c6 12.Nd2 Be6 13.Nf3 Nd7 14.Qc1 Nb6 15.a4 Bb2 16.Qb2 Bg4 17.Rfe1 Rae8 18.a5 Nd7 19.Qd4 Qd8 20.Qg4 f5 21.Qd4 Nf6 22.Qa7 g5 23.Qb7 g4 24.Nh4 Re7 25.Qc6 Nd7 26.Qh6 Rf6 27.Qg5 Kh8 28.Qf4 Qe8 29.e3 d4 30.e4 fe4 31.Qg4 e3 32.f3 Rg6 33.Qf4 Rf7 34.Qe4 Re6 35.Qd4 Kg8 36.Re2 Nf6 37.Rae1 Rd7 38.Qc5 Rd5 39.Qc4 Ree5 40.f4 Rh5 41.Bd5 Kh8 42.Re3 Qg6 43.Kh1 1–0. linakip – pablomorza, kurnik, 2012.

8.d3 Nh5 9.Nbd2 f5 10.Qc1 Nf6 11.Re1 Bd7 12.c4 Ne7 13.Nb3 c6 14.Na5 Qc7 (14...b6 15.Nb3=) 15.Ng5 (better is 15.c5!? e4 16.cd6 Qd6 17.Ng5+= (17.Nb7?! Qc7=)) 15...h6 16.Nf3 g5 (16...b6 17.Nb3=) 17.Nd2 (better is 17.c5 e4 18.cd6 Qd6 19.Ne5+= (worse is 19.Nb7 Qc7=)) 17...f4= 18.Ne4 Ne4 19.de4 g4 20.Nb3 f3 21.ef3 gf3 22.Bh1 Ng6 23.Qe3 Be6 24.Rac1 Qf7 25.Rc3 Bg4 26.Nd2 Ne7 27.Nf3 Bf3 28.Bf3 d5 29.Bg2?? d4–+ 30.Qf3 dc3 31.Qf7 Rf7 32.Bc3 Rff8 33.Rd1 Rfd8 34.Rc1 Rd3 35.Be1? Ra3 36.Bh3 Rd8 37.b5 cb5 38.cb5 a6 39.ba6?? ba6 40.Bg2?? a5–+ 41.Rc5 a4 42.Ra5 Ra1 43.Bf1 Rdd1 (43...Rdd1 44.Bc3 Rf1 45.Kg2 Rg1 46.Kh3 Ra2 47.Be5 Be5 48.Re5 Rf2 49.Re7 a3–+) 0–1. giorgo – jomat, kurnik, 2012.

8.d3 c6 9.a4 Bd7 10.c4 a6 11.Nc3 d5 12.bc6 bc6 13.Nd2 Rb8 (13...Rb8 14.Qc2 d4=). dartking (2125) - endre969 (2505), ChessWorld.net, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0)

8.d3 c6 9.a4 Bd7 10.Qd2 b6 11.c4?? (better 11.Bc3=) 11...Nb3–+ 12.Qg5 (12.Qc2 Na1 13.Ba1 cb5 14.ab5 a6–+) 12...Na1 (12...h6!? 13.Qh4 Na1 14.Ba1–+) 13.Ba1 cb5 (13...h6 14.Qd2 e5 15.Ne1–+) 14.ab5 Rc8 (14...a6 15.ba6 Ra6 16.Nc3–+) 15.Nc3–/+ e5 (15...Rc5 16.Qe3–/+) 16.Bb2 h6 17.Qd2 (17.Qe3 Qc7–/+) 17...Re8 18.Ba3 (18.Ra1 Qc7–/+) 18...Bf8 (18...e4 19.Ne1–+) 19.h4 (19.Ra1 e4 20.Nd4 ed3 21.ed3 Bg7–/+) 19...Qc7 (19...Be6 20.Ra1–/+) 20.Qb2 (20.Qe3 Ng4 21.Qd2 Be6–/+) 20...Be7 (20...e4 21.Nd4 ed3 22.ed3–/+) 21.Kh2 (21.Nd2 Be6–/+) 21...Kg7 (21...e4 22.Nd4 d5 23.Be7 Re7 24.Nd5 Nd5 25.cd5 ed3 26.ed3–/+) 22.Bh3 (22.Kg1 Be6–/+) 22...Bh3–+ 23.Kh3 Qd7 (23...d5 24.Be7 Qe7 25.Nd5 Nd5 26.cd5 Qd7 27.Kh2 Qd5 28.h5–+) 24.Kg2 Nh7 (24...Qe6 25.e4–+) 25.Nd5–/+ Rh8?? (better 25...Bf8–/+) 26.Ne5!+– de5 27.Qe5?? (better 27.Ne7 Qb7 28.f3+–) 27...f6?? (better 27...Bf6 28.Nf6 Nf6–+) 28.Qe7+– Qe7 29.Ne7 (29.Be7 Rb8+–) 29...Rce8 (29...Rcd8 30.Nd5+–) 30.Ra1 g5 (30...Ra8 31.Nd5+–) 31.h5 Nf8 (31...Kf7+–) 32.Nf5 Kh7 33.Bf8 Rhf8 34.Ra7 (34.Ra7 Kg8 35.Nh6 Kh8 36.e4+–) 1–0. gbsrao – tjong, net–chess.com, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bg2 d6 5.0-0 0-0 6.Bb2 Nc6 7.b5 Na5)

8.d3 c6 9.c4 d5 10.Qa4 Bd7 (10...cb5 11.cb5 a6 12.ba6 Ra6 13.Qf4=) 11.Bc3 (11.Ne5 Ng4 12.Nd7 Bb2 13.Nf8 Ba1 14.cd5=) 11...cb5 (better is 11...b6=) 12.Ba5?? (better is 12.Qa5 Qa5 13.Ba5 bc4 14.Nc3 cd3 15.ed3+/–) 12...ba4–/+ 13.Bd8 Rad8 14.Nbd2 Bc6 15.Ne5+= Nd7 16.Nc6 bc6 17.Rab1 Nc5 18.Rfc1 Bh6 19.cd5+/– Nd3 20.ed3+– Bd2 21.Rc6 a5 22.Rb7 Bb4 23.d4 a3 24.Kf1 h5 25.Ke2 Kg7 26.Kd3 h4 27.g4 h3= 28.Bf3 Bd6+= 29.g5 Bh2 30.Re7 Bd6 31.Ra7 Bb4 32.Be4= Rd6 33.Rcc7 Rb6 34.Rc6 Rfb8 35.Rac7 Kg8 36.d6 Bd6+= 37.Rc8 Rc8 38.Rb6 Bb4 39.Rc6 Re8 40.d5 h2–/+ 41.Bf3 Kg7 42.d6 Rd8 0–1. gbsrao (2425) – taxista (2450), net–chess.com, 2010.

8.Be5 de5 9.Nc3 Nd5 =.

8.Ne5+/– de5 9.d3 Nd5 10.a4 Rb8 11.c4 Nb4 12.Qb3 Qd6 13.c5 (better is 13.Nc3!? c5 14.a5+/–) 13...Qc5= 14.Rc1 Qd6 15.Ba3 Qe6?? (better is 15...c5 16.Nd2 Be6=) 16.Qb4+– e4 17.d4 c6 (17...e3 18.Rc7 ef2 19.Kf2+–) 18.e3 b6 (18...Bd7 19.Qe7 Qe7 20.Be7+–) 19.Qe7 Qe7 20.Be7 Re8 21.Bd6 Rb7 22.Rc6 Rd7 23.Ba3 Bb7 24.Rc2 a6 25.Nd2 ab5 26.ab5 Bd5 27.Rac1 Ra7 28.Bd6 Raa8 29.Rc7 Ra2 30.Nc4 Bf8 31.Bf8 Rf8 32.Nb6 Bb3 33.Be4 Ba4 34.Ra7 (34.Ra7 Bb3 35.Ra2 Ba2 36.Nd7+–) 1–0. rryy44 – samuel912, kurnik, 2012.

8.Ne5+/– de5 9.Be5 Bf5 10.Bb7 Rb8 11.Bc6 Ne4? (better is 11...Bd7+–) 12.Bg7 Kg7 13.d3 (better is 13.g4!? Bg4 14.Be4 Rb5+–) 13...Ng5 14.e4 Bh3 15.Re1 Qd4 16.Nd2 Rbd8 17.a4 h5 18.Nf3 Nf3 19.Qf3 Bg4 20.Qe3 Qc3? 21.Rac1 a6 22.f3 Be6 23.Qa7 ab5 24.ab5 g5 25.Qc7 Qd4 26.Kg2 h4 27.Qe7 hg3 28.Qg5 Kh8 29.hg3 f6 30.Rh1 (30.Rh1 Bh3 31.Rh3#) 1–0. rryy44 – szklanawina, kurnik, 2011.

8.Nbd2 Bd7 9.a3+= Nbd5 10.c4 Nb6 11.d4 Ba4 12.Qc1 d5 13.c5 Nbd7–/+ 14.Re1 Re8 15.e4 de4 16.Ne4 Nd5 17.Qc4+= Bc6 18.Rad1 N7f6 19.Nf6 Bf6 20.Ne5= e6 21.h4 Bg7 22.h5 Qg5 23.hg6= hg6 24.Bc1 Qe7 25.Kh2 Kh7 26.Rh1 Rh8 27.a4 Kg8–/+ 28.Kg1 Rh1 29.Bh1 Be5 30.de5+= Kg7 31.Bd5 Bd5–/+ 32.Qf4 Rh8–+ 33.f3 Qc5 34.Kg2 Qe7 35.Bb2 Rh5 36.g4 Qg5?? 37.Qf6 Kg8 38.Ba3?? Qf6 39.ef6 Rh4 40.Be7?? Rg4 41.Kf2 Ra4 42.Rc1 Ra2 43.Kg3 c6 44.Rb1 b5 45.Bc5 a5 46.Be3 Ra3 47.Bg5 Rf3 48.Kg4 a4 0–1. gbsrao (2185) – kramavarma (2005), net–chess.com, 2006.

8.e4 Bg4 9.c3 Nc6 10.Nbd2 e5 11.d4 ed4 12.cd4 Qd7 13.Re1 White prepares the advance e5 13...Rfe8 14.Qb3 a5 15.Rac1 (15.Qb7?? Reb8 16.Qa8 Ra8–+) 15...Reb8 16.e5 (16.d5 Ne7=) 16...a4 17.Qc2 Bf5 18.Qc3 (18.Qd1 Nd5 19.ed6 Qd6–/+) 18...de5 (18...Nd5 19.Qa3–+) 19.de5 (better 19.Ne5!? Ne5 20.de5–/+) 19...Nd5–+ 20.Nc4?? (better 20.Qc4 Ndb4 21.Nd4 Nd4 22.Qb4–+) 20...Nc3 21.Rc3 b5 (21...b5 22.Ne3 Be4–+) 0–1. gbsrao (2215) – croach (2320), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nc6)

7.a3 Nbd7 8.d3 Nb6 9.Nbd2 Bf5 10.c4 dc4 11.dc4 Qc8 12.Qb3 Bh3 13.c5 Bg2 14.Kg2 Nbd7 15.Rfd1 c6 16.Bd4 Qc7 17.Nc4 Rfd8 18.Ng5 Rf8 19.Qf3 e5 20.Bb2 h6 21.Ne4 Ne4 22.Qe4 f5 23.Qe3 Rad8 24.Rd6+/– Kh7 25.Rad1 b5 26.Na5 Nb8 27.Rd8 Rd8 28.Be5! Be5 29.Rd8 Qd8 30.Qe5 h5 31.Nb7 Qc8 32.Qe7 Kg8 33.Nd8 Qd7 34.Qf6 g5 35.Ne6 g4 36.Qf8 Kh7 37.Qf5 Kg8 38.Qg6 Kh8 39.Qh5 Kg8 40.Qg6 Kh8 41.Ng5 Qg7 42.Qe8 Qg8 43.Qe5 (43...Qg7 44.Qb8 Qg8 45.Qe5 Qg7 46.Qf5+–) 1–0. Fritz 6 – Fritz 5.32, 2004.

7.Nc3 Nbd7 8.d3 e5 9.Qd2 d4 10.Nd1 a5 11.e3 ab4 12.ed4 ed4 13.Nd4 Re8 14.Nb5 Ra4 15.Re1 Re1 16.Qe1 b6 17.Ne3 Ba6 18.Nd4 c5 19.Nc6 Qc7 20.Nd5 Qd6 21.Nde7 Kf8 22.Bf3 Ne8 23.Bg7 Ng7 24.Kg2 Bb7 25.Qe4 Ne6 26.Qd5 Qd5 27.Bd5 Nf6 28.Bb3 Ra8 29.f3? Nd4 30.Nd4 Ke7?? 31.Re1=+ Kd7 32.Ne2 Nd5 33.h4 f6 34.g4 Kd6 35.Kf2 h5 36.Ng3 hg4= 37.fg4 Kd7 38.h5 gh5 39.gh5 Nc3 40.h6+= Re8?? 41.Re8+– Ke8 42.h7 Ne4 43.de4 Kd7 44.h8Q (44...Kc7 45.Qf6+–) 1–0. Crafty 19.01 – Fritz 5.32, 2004.

7.d3 Na6 8.b5 Nc5 9.Nbd2 a6 10.a4 Bd7 11.c4 dc4 12.dc4 Bg4 13.h3 Bd7 14.Bd4 Ne6 15.Be5 c6 16.Qb3 b6 17.bc6+= Bc6 18.Rfb1 Nd7 19.Bg7 Kg7 20.a5 ba5 21.Qc3 f6 22.Nb3 Ndc5 23.Qe3 Bf3 24.Bf3 Rc8 25.Bd5 Nb3 26.Rb3 Nc5 27.Rba3 e6 28.Bg2 a4 29.R3a2 Qc7 30.Rb2 Rb8 31.Rb8 Rb8 32.Ra2 Rb1 33.Kh2 e5 34.Qd2 Rb3 35.Qd5 a3 36.Qd2 h6 37.Bd5=+ f5 38.Kg2 Qd6 39.Qd1 Qb8 40.Bc6 Qc7 41.Bd5 Qa5 42.Qc1 Qc3 43.Rc2 Qd4 44.Rd2 Rb1?? 45.Qb1+– Qd2 46.Qb8 Qd4 47.Qg8 Kf6 48.Qf8 Kg5 49.Qe7 Kh5 50.Bf3 Qg4 51.Qh4 1–0. Fritz 8 – Fritz 5.32, 2004.

7.d4 Qd6 8.b5 a6 9.a4 Bd7 10.Ba3= Qe6 11.Nc3 Re8 12.Ne5 h6 13.Qb1 Bc8 14.Qa2 Rd8 15.e3 ab5 16.ab5 c5 17.bc6 Nc6 18.f4 Ra5 19.Qb3 Ra6 20.Rfb1 Ra8 21.Qb6 Ra6= 22.Qc7?? Ne8–+ 23.Nd5 Nc7 24.Nc7 Qf5 25.Na6 Ne5 26.Be7 Re8 27.fe5 Re7 28.Nb4 b5 29.Rf1 Qg4 30.Nd5 Re8 31.Nc7 Rd8 32.Rf2 b4 33.Nd5 Bb7 34.Ne7–/+ Kf8 35.Ng6 Qg6 36.Bb7 Kg8 37.Ra6 Qh5 38.Rd6 Rd6–+ 39.ed6 Kf8 40.Bc6 f5 41.Be4–/+ Ke8 42.Bf5 Qg5 43.Rf4 h5 44.Kh1 Bf6 45.Be6= Qg6 46.Rf5 Kd8 47.e4 Bg7 48.d5= Qh6 49.Rf4 Be5–/+ 50.Rf1? Bd6–+ 51.Rd1 Qe3 52.Rd3 Qc1 53.Kg2 Qc2 (54.Kf1 Qd3 55.Ke1 b3 56.Bg4 Qe3 57.Be2 b2 58.Kf1 b1Q 59.Kg2 Qbg1 60.Kh3 Qgg3 61.hg3 Qg3) 0–1. Doctor? 3.0 – Fritz 5.32, 2004.

7.d4 Ne4 8.Nc3 Bf5 9.Ne4 Be4 10.e3 Qd6 11.Qd2 Qf6 12.Nh4 Bg2 13.Ng2 Nd7 14.a3 Nb6 15.Nf4 Nc4 16.Qc3 c6 17.Nd3 Qf3 18.a4 e6 19.Rad1 a5–/+ 20.Rfe1 ab4 21.Qb4 Ra7 22.Bc3 Rfa8 23.Nb2 Nb2 24.Qb2–/+ Ra4 25.Qb7 c5 26.Ra1 Ra1 27.Ba1= Ra4 28.Qb8 Bf8 29.dc5 Re4?? 30.c6+– Rc4 31.c7 Rc2 32.Rf1 d4 33.c8Q Rc8 34.Qc8 de3 35.Qc4 ef2 36.Rf2 Qd1 37.Qf1 Qf1 38.Rf1 Bc5 39.Kg2 f5 40.Be5 Kf7 41.h4 Ke7 42.Rb1 Kd7 43.Rb7 Kc6 44.Rh7 Kd5 45.Bf6 Ke4 46.Rg7 Be3 47.Rg6 e5 48.h5 Bd4 49.h6 (49...f4 50.Rg5 f3 51.Kf1+–) 1–0. EXchess 3.11 – Fritz 5.32, 2004.

7.a3 e5 8.d3 Rb8 9.c4 b6 10.Nfd2 Bb7 11.Nf3 h5 (11...a6 12.Qc2=) 12.Nbd2+= c5 13.bc5 bc5 14.a4?? (14.Rb1 Nb6=) 14...Qe7?? (14...Bf3 15.Nf3 Rb2 16.Rb1 Rb1 17.Qb1–+) 15.a5?? (15.Rb1 Bc6=) 15...a6?? (better 15...Bf3 16.Nf3 Rb2–+) 16.Rb1= Bc6 17.Qc2 d5 18.cd5 Bd5 19.Nc4 (19.Rfc1 Rfd8+=) 19...e4= 20.de4 (better 20.Nfd2 ed3 21.ed3 Bg2 22.Rfe1+=) 20...Be4–+ 21.Bf6? (better 21.Qd2!? Bb1 22.Rb1–+) 21...Bf6 (21...Bc2?! 22.Be7 Bb1 23.Bf8 Kf8 24.Rc1=+; 21...Nf6?! 22.Qa2 Rb1 23.Rb1 Bb1 24.Qb1 Qe2 25.Nfe5–+) 22.Qa2 Bb1 23.Rb1 Rb1 24.Qb1 Rb8 (better 24...Qe2 25.Qf1 Re8–+) 25.Qd3 Rd8 26.Nb6?? (better 26.Ne3 Qe6 27.Nd2–+) 26...Nb6 27.Qa6 Nd5 28.Ne1 (28.h3 Nc7 29.Qb6 Ra8–+) 28...Nc3 (better 28...Nb4 29.Qc4 Rd1 30.Kf1–+) 29.e3 (29.Bf1 Rd1 30.Nf3 Ne2 31.Kg2 Nd4–+) 29...Bg7 (better 29...Rd1 30.Kf1–+) 30.Qc4 (30.Nd3 Ne2 31.Kf1 Nc1 32.Nc1 Rd1 33.Ke2 Rc1 34.Qa8 Kh7–+) 30...Qd6 (better 30...Rd1 31.Qf1 Nb1 32.Bf3–+) 31.a6 Qd1 32.Qf1 Ne2 33.Kh1 Nc3 (33...Qa1!? 34.a7 Qa7 35.Qe2–+) 34.a7?? (34.Kg1 Qa1 35.Bf3–+) 34...Qa1 35.a8Q Ra8 (35...Qa8?! 36.Ba8 Ra8 37.Nf3=) 36.Ba8 Qa8 37.Ng2 (37.Kg1 Qe4–+) 37...Qa4 (better 37...Qf3!? 38.Qe1 Ne2 39.Qf1–+) 38.Qd3 (38.h3–+) 38…Qa1 (38...Qa1 39.Ne1 Qe1 40.Kg2 Nd1–+) 0–1. JUANKARODA (1780) – Vp001 (1840), lichess.org, 2020.

7.a4 a5 8.b5 Nb6 9.d3 Bg4 10.c4 Qc8 11.Nbd2 e5 12.Bc3 Re8 13.Ra2 d5 (13...Ra7!?=) 14.Ne5+– Bh3 15.Qb3 Bg2 16.Kg2 dc4 17.Nec4 Nbd5 18.Be5 b6 (18...Qe6 19.d4+–) 19.d4 Bh6 (19...Qe6 20.Rc2+–) 20.Rb2 Nd7 21.e4 Nb4 22.Nf3 c5?? (better 22...Qd8+–) 23.Nd6 Qd8 (23...c4 24.Qc3 Qd8 25.Ne8 Qe8 26.Qc4 Rc8+–) 24.Qf7 1–0. Maestro – Smiuk, internet, 2020.

7.a4 a6 8.b5 ab5 9.ab5 Ra1 10.Ba1 c5 11.c4 Nb6 12.d3 Be6 13.Ng5 Qd7 14.Ne6 fe6 15.Nd2 Ra8 16.Bc3 (16.e3 Ra2+=) 16...Na4= 17.Ba1 d5 (17...Nb6!?=) 18.Nb3 Qd6 19.Qc2 d4? (19...Ra7 20.e3+/-) 20.Bb2 (better 20.Bb7!? Ra7 21.Bg2+-) 20...Nb2+= 21.Qb2 h5? (21...Qc7 22.Ra1 Ra1 23.Qa1+/-) 22.h4 (22.Bb7 Ra7 23.Bc6 Ng4+-) 22...Ng4 (22...Ra7 23.Ra1 Ra1 24.Qa1+/-) 23.Ra1 (better 23.Bb7!? Rf8 24.Bf3+-) 23...Ra1 24.Qa1 (24.Na1?! Be5 25.Qd2 Bg3 26.fg3 Qg3=) 24...b6 25.Qa8 Kf7 (25...Kh7 26.Nd2 Nf6 27.Ne4 Ne4 28.Be4+/-) 26.Qe4 (26.Nd2!? Qc7 27.Bh3+-) 26...Bf6 27.Nd2 Ne5 (27...Qe5 28.Bh3+/-) 28.Nf3 (28.Qb7!? Qd8+-) 28...Nf3+/- 29.Bf3 Qc7 30.Qa8 Be5 31.Kg2 Bf6? (31...Qb8!?+/-) 32.Be4 (32.Bc6 Kg7+-) 32...e5 (32...Be5 33.f4 Bf4 34.Qh8+- (34.gf4?! Qf4 35.Bf3 Qh4+=)) 33.Qd5 (better 33.Bc6!? e6 34.Qe8 Kg7 35.Be4+-) 33...e6+/- 34.Qa8 Qd8 35.Qd8 Bd8 36.Kf3 Kf6 37.Bc6 Be7 38.Ke4 Bf8 39.Be8 Bh6 40.e3 Bg7 41.f4 (41.Bc6!?+/-) 41...ef4 42.ef4 Bh6 43.Bd7 Bg7 44.Kf3 e5 (44...Bf8 45.Bc8=) 45.Ke4 (45.f5 gf5 46.Be8 Bh6=) 45...ef4= 46.gf4 Bh6 (46...Ke7 47.Bh3=) 47.f5 (47.Be8!?+-) 47...Be3 (47...g5!?=) 48.fg6+= Bf2 (48...Kg6 49.Kd5 Bd2+/-) 49.g7 (better 49.Kd5!? Be1 50.Kc6+/-) 49...Kg7= 50.Be8 Kh6 (50...Bh4!? 51.Bh5 Kf6=) 51.Kd5+= Bh4 52.Kc6 Bd8 53.Kd7 Bg5 54.Kc8?? (54.Kc7!? h4 55.Kb6+/-) 54...h4?? (better 54...Bd2!?-+) 55.Bd7 (55.Kc7 h3 56.Kb6=) 55...Kg6?? (better 55...Bd2!? 56.Kc7 Ba5-/+) 56.Kb7 (better 56.Kc7!? Be7 57.Kb6+/-) 56...Bd8= 57.Kc8 Bf6 (57...Bg5 58.Kc7 Be7 59.Kb6+/-) 58.Kb7 (58.Kc7!? Be7 59.Kb6+/-) 58...Bd8= 59.Kc8 Bf6 (59...Bg5 60.Kc7 Be7+/-) 60.Kb7 (60.Kc7 Be7 61.Kb6+/-) 60…Bd8= ½-½. dannysmet (1975) - Axon99 (2010), Rated Blitz game, lichess.org, 2020.

7.a4 e5 8.d4 e4 9.Nfd2 d5 10.c4 c6 11.Na3 Qe7 12.e3 (12.cd5!? Nd5 13.b5=) 12...Qb4-/+ 13.c5?? (13.Qc1 Rd8-/+ (13...Qa4? 14.Nc2 Qa1 15.Qa1+-)) 13...Qa5 (better 13...Qb2 14.Nc2 Nb8-+) 14.Nb3 (14.f3 ef3 15.Rf3 b6-/+) 14...Qc7 15.a5 Ne8 (15...b6 16.f3-/+) 16.Bc3 a6 (16...Ndf6 17.Nc2-/+) 17.Nb1 f5 18.Bd2 (18.N1d2 Nef6=+) 18...h6 (18...Nef6 19.Nc3=+) 19.Nc3=+ g5 20.Na4 Bf6 (20...Rb8 21.Nb6=+) 21.Nb6 (21.f3 Bg7=) 21...Nb6=+ 22.ab6 Qg7 23.Qc1 Be6 24.Na5 (24.Qc2 Bd7=+) 24...Qe7 (24...f4!?-/+) 25.Qc3 Qd7 (25...g4 26.Kh1=+) 26.Rab1 (26.f4 ef3 27.Rf3 Bg7=+) 26...Rb8 27.Nb3 Ng7 28.Nc1 h5 (28...g4 29.Ra1=+) 29.Ne2 Qf7 30.Rfc1 (30.Ra1 Rbe8=+) 30...Kh7 31.Kf1 Kg6 32.Ke1 (32.Kg1 Rbe8=+) 32...Qd7 33.Kd1 Rh8 34.Kc2 (34.f4 ef3 35.Bf3 Rbe8-/+) 34...Rbg8 35.Kb2 (35.f4 ef3! 36.Bf3 h4-/+) 35...Kf7 36.Ka2 Ne8 (36...h4 37.h3-/+) 37.Rh1 Be7 (37...Ke7-/+) 38.h4 (38.Ra1 Nf6-/+) 38...g4 (better 38...gh4 39.Nf4 hg3 40.fg3 Rg3-+) 39.Nf4= Ng7 40.Bf1 Qc8 41.Be2 Bd7 42.Rb2 Ne6 43.Rhb1 Nf4 44.ef4 Be6 45.Qa3 Qd7 46.Ba5 Bf6 47.Qe3 Ra8 48.Qd2 Rhb8 49.Bc3 Kg6 50.Ba5 Qg7 51.Bc3 Be7 52.Rb4 (better 52.Ka1-/+) 52...Bf6 (52...Bc5!? 53.dc5 d4 54.Bc4 a5-+ (54...dc3?! 55.Qd6+=)) 53.Kb2 (53.R4b2 Re8 54.Qe3-/+) 53...Kh6 54.Kc1 Bc8 (54...Re8 55.Ra4-/+) 55.Kd1 Qd7 (55...Kh7 56.Ra4=+) 56.Ke1 Qe6 57.Ra4 Qg8 58.Qb2 Qg6 59.Ba6?? (better 59.Kf1=+) 59...Qe8 60.Bb5 cb5 61.Ra8 Ra8 62.Qb5 Qb5 63.Rb5 Bd7 (63...Bd7 64.Rb4 Ra2-+) 0-1. geochess (2160) - Ali_rastbod (2035), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7)

7.c4 e5 8.d3 Ne8 9.Nbd2 f5 10.c5 Qe7 11.Rc1 a5 12.c6 bc6 13.b5 Rb8 14.bc6 Rb2 15.Nc4 Rb5 16.cd7 Bd7 17.a4 Rb4 18.Na5 Ba4 19.Qd2 c5 20.Rb1 Rb1 21.Rb1 Bd7 22.Rb7 Qd8 23.Qa2 Kh8 24.Nd2 Nf6 25.Nac4 Bc8 26.Rb8 Qc7 27.Ra8 Bb7 28.Ra7 d5 29.Na5 Rb8 30.Nb7 Rb7 31.Ra8 Rb8 32.Bd5 h6 33.Bg2 Ra8 34.Qa8 Kh7 35.Nc4 Nd7 36.Bd5 Nf6 1–0. Sacchini – Calzolari, Isola d'Elba 1985.

7.d3 a5 8.ba5 Ra5 9.Nc3 c5 10.a4 Nb6 11.Nb5 (better is 11.Nd2!?=) 11...Na4–/+ 12.Bf6 (better is 12.Qe1!?–/+) 12...Bf6–+ (worse is 12...ef6 13.c4 Rb5 14.cb5+= (worse is 14.Ra4 Rb2+=; worse is 14.Qa4 Rb4 15.Qc2 b5+=)) 13.Rb1? (13.c3 Nc3 (worse is 13...Rb5 14.Qa4 Rb2 15.d4–+) 14.Nc3 Bc3 15.Ra5 Qa5–+) 13...Bd7 (13...Rb5 14.Rb5 Nc3 15.Qd2 Nb5 16.c4–+) 14.Na3 (14.Nd6 ed6 15.Rb7–+) 14...Nc3 15.Qc1 (15.Qd2 Ra3 16.Rb7–+) 15…Ne2 (15...Ne2 16.Kh1 Nc1–+) 0–1. gbsrao (2135) – vpozzoli (2090), net–chess.com, 2007.

7.d3 Re8 8.Nbd2 e5 (--> 6.0-0 e5 7.d3 Nbd7 8.Nbd2 Re8).

7.d4 Rb8 8.c4 c6 9.Nbd2 Re8 10.Nb3 Qc7 11.Qc2 e5 12.de5 Ne5 13.Ne5 de5 14.e4 b6 15.Rad1 Bb7 16.c5 Ba6 17.Rfe1 Rbd8 18.a3 Nd7 19.Bc1 Nf8 20.Bh3 Bc8 21.Bc8 Qc8 22.Bg5 f6 23.Be3 Qc7 24.Qc4 Kh8 25.a4 Nd7 26.cb6 ab6 27.a5 ba5 28.ba5 Ra8 29.Rd3 Nb8 30.Bb6 Qc8 31.Red1 Qa6 32.Qf7 1–0. Menghi – Starface, It Arnhem, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 Nbd7)

8.b5 Nb6 9.a4 a6 10.c4 Nc4 11.Qc2 ab5 12.d3 Nb2 13.Qb2 ba4 14.Qc2 Bd7 15.Nc3 a3 16.Ra2 Be6 17.Raa1 Qd7 18.Na2 Nd5 19.Rab1 Rfc8 20.Ng5 Nb4 21.Nb4 cb4 22.Qd2 a2 23.Ne6 ab1Q 24.Rb1 Qe6 25.Bb7 Rab8 26.Bc8 Qc8 27.Rb4 Rb4 28.Qb4 Qc1 29.Kg2 Bf8 30.f3 h5 31.Kf2 Bh6 32.Qb8 Kg7 33.Qb6 Bg5 34.f4 Bf6 35.Qe3 Qb2 36.Kf3 Bd4 37.Qe4 Qa1 38.Qe7 Qf1 39.Ke4 Bc5 40.Kd5 Qg2 41.Kc4 Qh2 42.f5 Qg3 43.f6 Kh6 44.Qe4 Qg4 45.Qg4 hg4 46.d4 Bb6 47.Kd3 g3 48.e3 Kg5 49.Ke2 Kh4 50.Kf1 Kh3 51.Kg1 g2 0–1. aniabielak – bartoszoss1, kurnik, 2012.

8.c3 Rb8 9.e3 Qc7 10.d3 b6 11.Nbd2 Ba6 12.c4 e5 13.b5 Bc8 14.a4 Re8 15.Ng5 h6 16.Nge4 Nf8 17.Nf6 Bf6 18.Ne4 Bg7 19.Bc3 f5 20.Nd2 Be6 21.a5 Rbd8 22.ab6 ab6 23.Ra6 Bc8 24.Ra4 Bb7 25.e4 Ra8 26.Ra8 Ra8 27.Qc2 fe4 28.Ne4 Kh7 29.Ra1 Ra1 30.Ba1 Ne6 31.Qa4 Bc8 32.Qa8 Bf8? 33.Nf6+– Kh8 34.Nd5 Qb7 35.Qb7 Bb7 36.Nb6 Bg2 37.Kg2 Nd8 38.f4 Nf7 39.Nd5 Bg7 40.b6 Nd8 41.b7?? Nb7+= 42.fe5 Be5 43.Be5+/– de5 44.Kf3 Nd6 45.Nf6 Kg7 46.Nd7 e4 47.de4 Nc4 48.Nc5 Kf6 49.g4 h5 50.Nd7 Kg5 51.h4 Kh4 52.gh5 gh5 53.e5 Kg5 54.e6 Nd6 55.e7 h4 56.Kg2 Kg6 57.Kh3 Kf7 58.Kh4 Ke7 59.Ne5 Ke6 60.Nd3 Nf5 61.Kg5 Kd5 62.Nf4 Ke4 63.Ne6 Ke5 64.Nc7 Ne7 65.Na6 Nd5 66.Kh6 Ne7 67.Nb4 1–0. rryy44 – kamil1965, kurnik, 2011.

8.a3 Nb6 9.d3 =.

8.b5 e5 9.Nc3 Nh5 10.Ng5?? (better is 10.d4=) 10...Qg5–+ 11.Qc2 f5 12.Nd5 Qd8 13.Qb3 Nc5 14.Qc2 c6 15.bc6 bc6 16.Nc3 Bd7 17.Rab1 a4 (17...Qc7 18.a4–+) 18.f3? (18.Ba3–+) 18...a3 19.Ba1 f4 20.g4 Nf6 21.Kf2 Ne6 22.h4 Nd4 23.Qc1 (23.Qd3 d5 24.cd5 Bc8 25.dc6 Ba6–+) 23...Bg4! 24.Rh1 (24.fg4 Ng4 Double attack) 24...Bf5 25.d3 Nh5 26.Ne4 Be4 27.de4 Bf6 28.Qg1 (28.Bd4 Bh4 29.Kg1 ed4 30.Rh3–+) 28...Bh4 29.Kf1 Ng3 (29...Ng3 30.Ke1 Nge2 31.Kd2 Ng1 32.Rhg1 Qa5 33.Kd3 Qc5–+) 0–1. Garcia Lechugo,Francisco – France,Robert (1645), Gibraltar Amateurs op–A, 2008. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Bg2 Nbd7 7.0-0 a5)

9.d3 ab4 10.ab4 Ra1 11.Ba1 Qe7 12.Nc3 Nb8 13.Qa4 Nc6 14.e3 Bf5 15.e4 Bc8 16.Nb5 Ne8 17.Na7 Bd7 18.Nc6 Bc6 19.b5 Bd7 20.Qa7 Bc8 21.Nd2 h5 22.Nb1 Qd8 23.Nc3 f6 (23...Nf6 24.f4+=) 24.Nd5+– Rf7 25.Qa5 (25.Qb8 h4+–) 25...Be6 26.Ne3 Qc8 (26...Bh6 27.Bc3+=) 27.Bc3 (27.f4 c6+–) 27...Bh6+= 28.Nc2 (28.f4 h4+=) 28...h4 29.Ra1 hg3 30.hg3 Qd7 (30...c6 31.Qb6=) 31.Qa8 b6 32.Qb8 (32.Ra7 Rf8+=) 32...Qc8 (32...Rf8!?+=) 33.Qc8+– Bc8 34.Ra8 Bd7 35.Nb4 Kf8 36.Na6 (36.Nd5 Be6+–) 36...Be6 37.Bb4 Ke7 38.Ra7 Kf8 ½–½. Chen,Yi Jing Alvin (1620) – Turner,David J (1810), London Classic Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 Nbd7 6.Bg2 0-0 7.0-0 a5)

9.d3 ab4 10.ab4 Ra1 11.Ba1 Re8 12.Nc3=.

9.d3 ab4 10.ab4 Ra1 11.Ba1 Nh5 12.Nc3+= f5 13.Nb5 (13.Bb2 c6+=) 13...g5 (13...Nb6 14.c5 Bd7 15.Qb3 Kh8 16.Nbd4 ed4 17.cb6+=) 14.c5 (better is 14.Na7!? g4 15.Nc8 Qc8 16.Ng5+=) 14...g4=+ 15.cd6 c6 16.Nc7 (16.Qb3 Kh8 17.Nc7 Qf6=) 16...gf3 17.Bf3 Nhf6 18.Ne6 Qe8 19.Nf8 Qf8 20.Qb3 Qf7 (20...Kh8!?=) 21.Qa3 Bf8 (21...Nd5 22.Bd5 cd5 23.Rc1+–) 22.b5 c5 (22...Qe6 23.bc6 bc6 24.Qa8+/–) 23.Qa8+/– Nb6 24.Qa7 Nfd7 25.Bb7 Bb7 26.Qb7 Bd6 27.Bc3 Nd5 28.Bd2 f4 29.Ra1+/– N7b6 30.Qc6 Qd7 31.Ra8 Kf7 32.Rh8 Qc6 33.bc6 Kg7 34.Re8 Kf7 35.Rd8 Bc7 36.Rh8 Kg7 37.Re8 Kf7 38.Rh8 ½–½. Wysocki,Antoni – Howarth,Anthony, Halifax Interprovincial m, 1997.

9.d4 ed4 10.Nd4 Re8 11.Qc2 Nh5 12.Nd2 Qe7 13.Rfe1 Nf8 14.N2b3 ab4 15.ab4 Ra1 16.Ba1 c6 17.Bc3 Ne6 18.e3 Ng5 19.h4 Ne4 20.Be4 Qe4 21.Qe4 Re4 22.Ra1 Re8 23.Ra7 h6 24.Kg2 Kh7 25.Ra8?? (better is 25.Na5+=) 25...Bh3!–+ 26.Kh3 Ra8 27.g4 Nf6 28.Na5 Ne4 29.Be1 c5 30.bc5 dc5 31.Nb5 Nf2! (31...Nf2 32.Bf2 Ra5–+) 0–1. Mittermeier,Peter – Monz,Dieter, AUT–chT3, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bg2 0-0 5.c4 d6 6.Bb2 Nbd7 7.0-0)

9.d4 Qe7 =.

8.a4 Rb8 9.a5 c6 (9...c5 10.bc5 dc5 (10...Nc5 11.d4 Nce4 12.Nfd2 Ng5 13.Nc3) 11.Ne5= (11.Nc3 b6 12.ab6 Qb6 13.Rb1) 11...Ng4 12.Ng4 Bb2 13.Ra2) 10.d3 (10.Nc3 d5= (10...Ne5 11.Ne5 de5 12.Na4 Qc7 13.Nc5) 11.Qb3 e6 12.d4 b6 13.cd5; 10.Qb3 b5 11.cb5 cb5 12.Rc1 Bb7 13.Nc3) 10...Re8 (10...e5 11.Nbd2= Qe7 12.Qb3 d5 13.Rac1; 10...c5 11.bc5 Nc5 12.Bd4 Qc7 13.Nc3) 11.Nc3 (11.Nbd2 Nf8 12.Qc2 Ne6 13.Ne4) 11...Nf8 (11...e5 12.Ne4 (12.Qd2 Nf8 13.Na4) 12...Ne4 13.de4=; 11...Ne5 12.Ne5 de5 13.Na4) 12.b5 (12.Qd2 e5+= 13.Na4) 12...Bd7 (12...e5 13.Qb3+= (13.Qd2=); 12...Ne6 13.b6) 13.ba6 (13.b6 e5+=) 13...ba6= 14.Qc2 (14.Qd2 e5=) 14...c5 (14...e5 15.Rfb1=) 15.Rfb1 Ne6 (15...Bc6 16.e4=) 16.e3 h6 (16...Bc6 17.Qd2=) 17.Nd2 Ng5 (17...Qc7 18.Ra2=) 18.Nde4 Nge4 19.Ne4 Ne4 20.Be4 (20.Bg7 Rb1 21.Qb1 Nf2 22.Bh6 Ng4=) 20...Bb2 21.Rb2 Kh7 (21...Qc7 22.Rb8 Rb8 23.Ra3=) 22.h4 (22.Rb8 Qb8 23.Rb1 Qd8+–) 22...h5 (22...Qc7 23.h5=) 23.Qc3 (23.Rb8!? Qb8 24.Rb1+–) 23...Qc7+= 24.Rab1 Rb2 25.Qb2 (25.Rb2 Rb8 26.Rb8 Qb8 27.d4+=) 25...Bc6 (25...Qa5 26.Ra1 Rb8 27.Ra5 (27.Qb8 Qa1 28.Kg2 Kg7–/+) 27...Rb2 28.Ra6 Rb1 29.Kg2+–) 26.Bc6 (26.Qb6 Qb6 27.Rb6 Be4 28.de4 Ra8+–) 26...Qc6 27.Qb7 Qa4 28.Qa6 Qc2 29.Qb7 (29.Rb7 Qd1 30.Kg2 Qd3+–) 29...Qd3 30.a6 f5 (30...Qc4 31.a7 Qa4 32.Qb8+–) 31.a7 1–0. Tirado Parra,Alberto (1935) – Ojosnegros Martin,Angel, 2rd Villaverde Spain, Open, 2010.

8.a4 Rb8 9.b5 e5 10.d3 a5 11.Nc3 b6 12.Nd2 Nc5 13.Nd5 Nd5 14.cd5 f5 15.f4 Qe7 16.Rc1 Bb7 17.Nc4 ef4 18.Bg7 (worse is 18.gf4 Bb2 19.Nb2 Rbe8–/+) 18...Qg7 19.Rf4 g5 20.Rf1 Rbe8 21.e3 f4 22.d4 (worse is 22.gf4 gf4 23.e4 Qd4 24.Kh1 Nd3–/+) 22...Ne4 23.Qd3 Bd5 24.Nd2 Nf6 25.e4 Ba8 26.Qc4 Rf7 27.e5? (27.gf4 d5 (worse is 27...Be4 28.Ne4 Ne4 29.fg5+/–) 28.ed5 gf4 29.Rf4 Bd5+=) 27...Ng4 (better is 27...Bg2 28.Rf2 Bd5 29.ef6 Bc4 30.fg7 Bd5–+) 28.Ba8+= Ra8 29.e6 (29.Qd5 Raf8 30.Nc4+= (30.ed6? Ne3 31.Qe5 Nf1 32.Nf1 cd6 33.Qg7 Kg7–+)) 29...Re7–/+ 30.d5 Rf8 (30...Ne3 31.Qd3 Nf1 32.Rf1 fg3 33.hg3–+) 31.Qd3 Ne3 32.Rf2 (32.Rfe1 Qb2 33.Rb1 Qe5–+) 32...Qe5 (better is 32...Rf5 33.Qe4 Qe5–+) 33.Nf3?? (better is 33.Re1!?+=) 33...Qd5 (better is 33...fg3 34.Rff1 Qf4–+) 34.Qd5–/+ Nd5 35.Ng5 h6 36.Nh3 fg3 37.Rg2 Re6 38.Rg3 Kh7 39.Rd3 Rg6 40.Kh1 Ne7 41.Ng1 Rg7 42.Rc7 Rf4 43.Rg3 Rgf7 44.Rb7 Ra4 45.Rb6?? Rb4 46.Rb7–/+ a4 47.Re3+= Nd5?? 48.Rf7+– Kg6 49.Ref3 a3 50.Ra7 Rb5 51.Raa3 Nf6 52.Rad3 Ne4 53.Ne2 Rb2 54.Rde3 Ng5 55.Rg3 Kf6 56.Nd4 d5 57.Rb3 Rd2 58.Rb6 Ke5 59.Rg5! Kd4 60.Rg4 Kc5 61.Rh6 d4 62.Rh8 Kc4 63.Rc8 Kd3 64.h4 1–0. Blanco Sanjuan,Jorge (2140) – Mitsakos,Achilles, Gran Canaria op, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0)

8.a4 b6 9.Nd4 Ne5 10.f4 Nc4 11.Nc6 Nb2 12.Qc2 Qe8 13.Nb8 Be6 14.Nc6 Nd7 (14...Nc4 15.Na3 (15.Na7?! Ne4=) 15...d5 16.Nd4 Na3 17.Ra3+/–) 15.Nc3 (15.Na7 Nd3 16.Ra3 Nb4 17.Qc7 Bd4 18.Kh1 Bb2+/–) 15...Nc4 16.Rac1 a6 (better is 16...Nf6!?+/–) 17.Nd5+– Bd5 18.Bd5 b5 19.Bc4 bc4 20.Qc4 e5 (20...Nb8 21.Nb8 Qb8 22.Qa6 Qb4 23.Rc7 Qd4 24.Kg2+–) 21.f5 e4 22.e3 Nf6 23.Qa6 g5 24.a5 g4 25.Qc4 d5 26.Qc5 h5 (26...Qd7 27.Ne7 Kh8 28.Qc7+–) 27.Ne7 Kh8 28.Nd5 (worse is 28.Qc7 Qb5 29.Nc6 Kh7+–) 28...Nd7 29.Qc7 f6 30.Nf4 Ne5 31.Ne6 Nf3 (31...Rg8 32.Qb7 Qa8+–) 32.Rf3! Rg8 33.Rff1 Bh6 34.Qb7 h4 35.Rc7 (35.Rc7 Be3 36.de3 Qh5 37.Rc8 Qh6 38.Rg8 Kg8 39.Qb8 Kf7 40.Qa7 Kg8 41.Rd1 Qe3 42.Qe3 hg3 43.Rd8 Kh7 44.Qa7 Kh6 45.Rh8) 1–0. Di Lascio,Savino – Vanzan,Alessandro, Vitinia op 9th, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0 Rb8)

8.Nc3 c5 9.a3 b6 10.Qa4 Qc7 11.Nb5 Qc6 12.Nfd4 cd4 13.Bc6 1–0. kolya (2040) – chemanalyst, GameColony.com, 2002.

8.Nc3 c5 9.a3 b6 10.d3 Bb7 11.Qd2 a6 12.b5 a5 13.e4 e6 14.Ne1 Qc7 15.Nc2 Ne8 16.Rae1 f5 17.ef5 Bg2 18.Kg2 Qb7 19.Kg1 Rf5 20.f4 e5 21.Ne3 Rf7 22.f5 (22.Ne4 ef4 23.Nd5 Be5+/-) 22...Nef6+= 23.Qg2 Qg2 24.Kg2 Rbf8 25.fg6 (25.Ne4!? Ne4 26.de4+/-) 25...hg6= 26.Ned5 Bh6 27.Bc1 Nd5 28.Rf7 Rf7 29.Nd5 Bf8? (better 29...Bc1 30.Rc1 g5+=) 30.Bg5+- Rf5 31.Bd8 Kf7? (better 31...Bh6+-) 32.g4 (32.g4 Rf4 33.Nf4 ef4 34.Re4+-; 32.Nb6?! Nb6 33.Bb6 a4+-; 32.Bb6?! Nb6 33.Nb6 Bh6+-) 1-0. Meszaros,An (2250) - Szegedy,Matyas (1850), Iuliu Szabo Memorial, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 Nbd7 7.0-0)

8.Nc3 c5 9.a3+= Ne4 10.d4 cd4?? (better is 10...Nc3 11.Bc3 Nb6+=) 11.Ne4+– 1–0. guest648 – guest134, ICC, 1999.

8.Nc3 Ne5 9.Ne5 de5 10.d3 =.

8.d3 b6 9.Nbd2 c5 10.b5 Bb7 11.a4 Ng4 (11...Ra8 12.Qb3=) 12.Bg7+= Kg7 13.Qc2 Nge5 14.a5 Nf3 15.Nf3 a6 16.ab6 (16.ba6 Ba6 17.ab6 Bb7+=) 16...ab5= 17.cb5 Nb6 18.Ra7 Qc8 (18...e5 19.Rfa1+=) 19.Rfa1 Kg8 20.Qb2 Qe6 21.Ng5 Qd5?? (better 21...Qc8+=) 22.Bd5+- Nd5 23.Ne4 Nb4 24.Nc3 e5 25.Qb3 Rfe8 (25...Kg7 26.e4+-) 26.e4 (26.R1a6 Re7+-) 26...Kf8 27.Nd5 (better 27.Na2 Na2 28.Qa2+-) 27...f5 (27...Bd5 28.ed5 Rb5+-) 28.Nf6 Re6 29.Qe6 Re8 (29...Nc6 30.bc6 d5 31.Qg8 Ke7 32.Qg7 Ke6 33.ed5 Kd6 34.Qd7) 30.Qe8 (30.Qe8 Kg7 31.Rb7 Kh6 32.Qf8 Kg5 33.h4; 30.Rb7 Re6 31.Ra8 Re8 32.Re8) 1-0. Pew8 (2110) - cucosant2 (1775), Casual Blitz game, lichess.org, 2020. (=1.Nf3 d6 2.c4 Nf6 3.b4 g6 4.Bb2 Bg7 5.g3 0-0 6.Bg2 Nbd7 7.0-0)

8.d3 Nh5 9.Bg7 Ng7 10.Nc3 a6 (10...Nf6 11.d4+=) 11.Nd4 (11.d4 Nf6+/-) 11...e5 12.Nb3 c5 13.bc5 Nc5 14.Nc5 dc5 15.Nd5 b5 16.Rb1 b4 17.a3 a5 18.Qc1 Be6 19.ab4 ab4 20.Ra1 Bd5 21.Bd5 b3 (21...Nf5!?=) 22.Qb2+/- Qd6 23.Rfb1 Rb4 24.Ra7 Ne6 25.e3 Nd8? (better 25...Nc7!? 26.Be4 Rfb8=) 26.Ra3 Ne6 27.Rb3 Rfb8 28.Qa3 Rb3 29.Rb3 Rb3 30.Qb3 Kg7 31.Qb7 Kf6 32.Kf1 h5 33.h4 Kg7 (33...Nc7 34.Ke2+-) 34.Ke2 (34.Be6!? Qe6 35.Qc7 e4 36.Qc5 ed3 37.Qd4 f6 38.Qd3 f5+-) 34...Nc7 35.e4 (35.Qb8 Qd7 36.Be4 Qe7+-) 35...Nd5 (35...Kf8 36.Qb2+/-) 36.Qd5 (better 36.cd5 Kf8 37.Kd2+-) 36...Qd5?? (better 36...Qc7+/-) 37.cd5+- (37.ed5?! Kf8+-) 37...Kf6 (37...f5 38.f4 Kf6 39.Kd2+-) 38.f4 ef4 39.gf4 Ke7 40.e5 f5 (40...f6 41.e6 Kd6+-) 41.Kd2 1-0. Spruenken,Dirk (1820) - Memmeler,Bjoern, Wiesbaden GER, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0)

8.e3 b6 9.Nd4+= Bb7 (9...Ne5!? 10.Qb3 Bb7+=) 10.Bb7+/– Rb7 11.Nc6 Qe8 12.Qf3 Qa8 13.Ne7 Kh8 14.d4 c5 15.b5 Re8 16.Nc6 Ne4 17.Nc3 (better is 17.Rd1+/–) 17...Nd2= 18.Qe2 (18.Qf7?? Nf6 19.Qe8 Qe8–+) 18...Nf1 19.Qf1 Nf6 20.Qg2 (20.Rd1 a6=) 20...Qc8 21.d5 (21.Rd1 Kg8+=) 21...Qf5+= 22.e4 (better is 22.Re1!? Qd3 23.Qf1 Qf1 24.Rf1+=) 22...Ne4–+ 23.Re1 Nf6 (23...Bc3?! 24.Bc3 Kg8 25.f3+=) 24.Re8 Ne8 25.Qf1 Nf6 (25...Qc2!? 26.Qe1 Nf6 27.Qc1–+) 26.Qe2–/+ h5 27.f3 Kh7 28.Bc1 Ng8?? (better is 28...Bh6 29.Bb2 h4–/+) 29.Ne4+= Qd7 30.Bf4 Bf8 31.Qb2 Bg7 32.Qg2 Bf8 33.Qb2 ½–½. Las Heras Aixandri,G (1955) – Chamorro Perea,A (2035), Llinars del Valles ESP, 6th Tardor Open, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0 6.Bg2 Nbd7 7.0-0 Rb8)

8.a3 a6 9.Qc2 (9.Nc3 b6=) 9...Qc7 10.d3 b6 11.Nbd2 Bb7 12.Rab1 (12.Rfb1 Rfc8=) 12...cb4 13.ab4 a5 14.ba5 (14.b5 Rfc8=) 14...ba5 15.e4 e5 16.Ba3 Rfb8 17.d4 (17.Rb2 Bc8=) 17...ed4 18.Nd4 Nc5 19.Nb5 Qc6 20.Rfd1 a4 (20...Nce4? 21.Nd4 Qe8 22.Rb7 Nf2 23.Rdb1 (23.Kf2 Ng4 24.Kf1 Bd4–/+) 23...Nh3 24.Bh3 Rb7 25.Rb7 Qe3 26.Kh1 Qa3 27.Nb5 Qa1 28.Nf1+–) 21.Nf1 Bf8 22.Ne3 Qc8 23.Nd5 Nd5 24.ed5 Ba6 25.Bb2 Nd7= 26.Qd3 Rb7 27.Re1 f5 28.Qc3 Ne5= 29.Re5 de5 30.d6 Bg7= 31.Nc7 Raa7 32.Bd5 Kh8 33.Bb7 (33.Bb7 Qb7 34.Qe5 Be5 35.Be5 Kg8 36.Rb7 Rb7 37.d7+– (worse is 37.Na6 f4+–); worse is 33.Na6 Rb3 (33...Ra6? 34.Bb7 Qb7 35.Qe5+–) 34.Qe1 Ra6= (worse is 34...Qa6 35.c5+/–)) 1–0. Hall,Craig (1770) – Dayants,Vladimir (1995), IECC, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0)

8.a3 Rb8 9.d3 a6 10.Nbd2 b5 11.Bc3 Nb6 12.bc5 Na4 13.Bd4 e5 (13...dc5 14.Be5 Rb6 15.Rc1=) 14.Be3 Ng4 15.Rc1 (better is 15.cb5!? ab5 16.cd6 Ne3 17.fe3 Qd6 18.Qb3=) 15...Ne3+= (worse is 15...Nc5 16.Bc5 dc5 17.cb5 Rb5 18.h3+/–) 16.fe3 dc5 17.e4 Be6 18.Qc2 Qd6 19.Rb1 Bh6 20.Kh1 Be3 21.Rfd1 Bd4 22.Nd4 cd4 (worse is 22...Qd4 23.Rdc1+=) 23.Re1 (23.Rb4!?–/+) 23...Qa3–+ 24.Rb3 Qd6 25.Bf3 Rfc8 26.Reb1 Nc3 27.Ra1 Ra8 28.Qb2 a5 29.Rba3 Qd8 30.cb5 Rcb8 31.Qc1 Rb5 32.Nc4 Qc7 33.Rc3 (better is 33.Nd2–+) 33...dc3 34.Qc3 Rc5 35.Ra4 Bc4 36.dc4 Rc8 37.Kg2 h5 38.h4 Qc6 39.Ra5 f6 (39...Qe6 40.Kf2–+) 40.Ra7 (40.Rc5 Qc5 41.g4 Qc4 42.Qc4 Rc4 43.gh5 gh5 44.Bh5 Re4–+) 40...Rc4 (40...Rc7 41.Rc7 Qc7 42.Qe3 Rc4 43.Qh6–+) 41.Qb3 Kf8?? (better is 41...Rc7–+) 42.Qe3+= Rc7 43.Qh6 Kf7 44.Qh7 Ke6 ½–½. Longar,Thomas – Fischer,T, Baunatal op 2nd, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0 c5)

8.a3 Qc7 9.d3 b6 10.Nc3 Bb7 11.e4 a6 12.Qd2 (12.Nd5 Nd5 13.Bg7 Ne3 14.fe3 Kg7=) 12...e6 13.Rfe1 d5 (13...Ng4!?=) 14.cd5+= ed5 15.ed5 Nd5 16.Nd5 Bd5 17.Bg7 Kg7 18.Qc3 Kg8 19.Re7 (19.Nd2 Bg2 20.Kg2 Rac8=) 19...Rae8 20.Rae1 Re7 21.Re7 Qd6 22.Re1 Rd8 23.bc5 (23.Ng5 Qf6 24.Qf6 Nf6 25.bc5 bc5=) 23...Nc5+= 24.d4 Ne6 25.Ne5 (25.Bh3!?+=) 25...Bg2–/+ 26.Kg2 Qd4 27.Rc1 (27.Qf3 Qd5–/+) 27...Nc5 (27...Qe4 28.Kg1 Ng5 29.Re1 Nh3 30.Kf1 Qh1 31.Ke2 Ng1 32.Ke3–+) 28.Nc4 (28.Qd4 Rd4 29.Rc2 Kg7–/+) 28...Qc3 (28...Qe4 29.Kg1 Nd3 30.Rd1–+) 29.Rc3–/+ Na4 30.Re3 b5 31.Na5 Kf8 32.Nc6 Rd6 33.Nb4 a5 34.Nd3 f6 (34...Kg7 35.Rf3–/+) 35.Nf4 Kf7 36.Rb3 Rb6 (36...g5 37.Nd3–/+) 37.Kf3 (37.g4 Rb8–/+) 37...Nc5–/+ 38.Rc3 Na6 Black intends b4 39.Nd5 Rd6 40.Ne3 Ke6 (40...b4 41.ab4 ab4 42.Rb3–/+) 41.h4 (41.Rc8 h5–/+) 41...b4 42.ab4 ab4 43.Rb3 Rb6 44.Nc2 (44.Nc4 Rc6 45.Ne3 Rc3–+) 44...Kd5 45.Ne3 Kc5 46.Ke2 (46.Rb1 h5–+) 46...Kb5 47.Rb1 Ka4 (47...Rc6 48.Nd5–+) 48.Kd3 (48.Ra1 Kb3–/+) 48...Rc6 (48...Rd6 49.Kc4 Rc6 50.Kd5–+) 49.Nc4–/+ Kb5 50.Na3 Kb6 (50...Kc5 51.Nc4–/+) 51.Nc4 Kc5 52.Rc1?? (better is 52.Ra1 Nc7 53.h5–/+) 52...Kb5–+ 53.Kd4 (53.Rc2 Nc5 54.Ke2 Na4–+) 53...Nc5 54.Kd5 (54.Rc2 b3 55.Rb2 Ne6 56.Kd3 Rc4 57.Rb3 Rb4 58.Ra3–+) 54...Nb3 (54...Nb3 55.Rb1 Rc5 56.Kd6 Kc4–+) 0–1. Valenta,Vit (2160) – Rabatin,Jakub (2125), CZE–ChT2F, 2010.

8.a3 e5 9.d3 Qc7 10.Nbd2 (10.Nc3 Qb6+=) 10...Rb8 11.Ng5 h6 (11...b5 12.cb5 Rb5 13.Qa4=) 12.Nh3 (12.Nge4 b5=) 12...Nb6 (better is 12...b5=) 13.Ne4?? (better is 13.Qc2=) 13...Ne4–+ 14.Be4? (better is 14.de4 Be6 15.Bc1–+) 14...f5 15.Bd5? Nd5–+ 16.cd5 cb4 17.ab4–/+ Qb6 18.Qa4 g5 19.b5 g4 20.Rad1 0–1. gonso (2300) – cubswin (1900), net–chess.com, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 Nbd7 6.Bg2 0-0 7.0-0)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qa2 13.d3 Nb6 14.Nbd2 Na4 15.Ba1 b6 16.Ng5 h6 17.Nge4 Nb2? (17...Ne4!? 18.Ne4 f5 19.Bg7 Kg7=) 18.Qc2 (better is 18.Nc3 Nd1 19.Na2 Nf2 20.Rf2+–) 18...Ne4+/– 19.Ne4 (worse is 19.de4 Be6 20.Rb1 Qa4 21.Qa4 Na4 22.Bg7 Kg7=) 19...f5?? (better is 19...Qa3+=) 20.Nc3+– Bc3 (20...Qa7 21.Bb2 (worse is 21.Qb2 Bb7+–) 21...e6 22.Ra1+–) 21.Qc3 e5 22.Bb2 Qa7 23.f4 Qe7 24.fe5 de5 25.Qe5 (25.Qe5 Qe5 26.Be5+–) 1–0. frozenfritz (2090) – chessgus (2000), net–chess.com, 2004. (=1.Nf3 Nf6 2.c4 d6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 Nbd7 7.0-0)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qc7 12.d3 b6 13.Nc3 Bb7 14.Bb2 Ra8 15.Qb3 Qc8 16.Ra1 Ra1 17.Ba1 Qa8 18.Bb2 Ne5 19.Ne5 Bg2 20.f3 Ne8? (better 20...de5 21.Kg2 Qd8+=) 21.Nc6+- (21.Kg2?! de5 22.Qa4 Qd8+=) 21...Bh3 22.Ne7 Kf8 23.Ncd5 Qa5 (23...Be6 24.Bg7 (24.Nb6 Qa5 25.Bg7 Ng7=+) 24...Ng7 25.Qc3+-) 24.Kf2 (24.Bg7 Ng7 25.Qd1 Bd7+-) 24...Qd2 25.Bg7 Ng7 26.Qa3 (better 26.Qb1 Bf5 27.Nc6+-) 26...Ne6?? (better 26...Qd1+-) 27.Qa8 Kg7 28.Qg8 Kh6 29.Qf7 (29.Nb6?! Nd4 30.Nf5 gf5 31.Qf8 Kg6 32.Qd6 f6=) 29...Ng5 (29...Nf8 30.Ng8 Kh5 31.Ndf6 Kg5 32.Qd5 Bf5 33.h4) 30.Ng8 Kh5 31.Ndf6 1-0. Hjartarson,J (2525) - Buscar,M (2085), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 Nbd7 6.0-0 0-0 7.c4)

8.b5 a6 9.a4 Nb6 10.d3 ab5 11.cb5 (11.ab5 Ra1 12.Ba1 d5=) 11...Nbd5 12.Nfd2 (12.Nbd2 e5=) 12...e6 (12...e5 13.Ne4=) 13.Qb3 (13.Nc4 e5=) 13...b6 14.Na3 (14.e4 Ne7=) 14...Rb8 (14...Bb7 15.Rfc1=) 15.Nc2 (15.e4 Nc7=) 15...Ne7 16.e4 Qc7 17.f4 Nd7 18.Bg7 Kg7 19.Qc3 Kg8 20.f5 ef5 21.ef5 Bb7 22.f6 Nd5 23.Bd5 Bd5 24.Nb4 Ba8 25.Rae1 Qc8 26.Na6 Qb7 27.Ne4 Rbe8 28.Qd2 Kh8 29.h4 Re6= 30.Nc7 Qc7 31.Qh6 Rg8 32.Ng5 Nf8 33.Re6 fe6 34.Re1?? Qb7–+ 35.Re4 d5 36.f7? de4 37.Ne4 Nd7 38.Nd6 Rg7 (38...Rg7 39.Nb7 Rf7+–; 38...Qg2#) 0–1. Skalkotas, (2300) – Kanellopoulos,P (2215), 34th TCh–GRE, Ermioni Argolidas GRE, 2005. (=1.g3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 Nbd7 6.0-0 0-0 7.c4)

8.b5 a6 9.Nc3 ab5 10.Nb5 Nb6 11.d3 Na4 12.Bf6 Bf6 13.Rb1 Qa5 14.h3 Nb2 (14...Nc3 15.Nc3 Bc3 16.Rb3=+) 15.Qc2 Qa2 (15...Na4 16.Rb3=) 16.Nc7 Ra3 17.Nd5 Na4 18.Qc1 Nc3?? (better is 18...Re8=) 19.Rb2+- Ne2 20.Re2! Qe2 21.Nf6 ef6 22.Qa3 Bf5 23.Ne1 Re8 24.Qc1 Bd3 25.Nd3 Qd3 26.Rd1 Qb3 (26...Qf5 27.Rd6 Re2 28.f4+-) 27.Rd6 (27...Qb4 28.Kh2+-) 1-0. Marre - mileg, zagraj.pl, 2003.

8.b5 Rb8 9.Nc3 b6 10.Qc2 Bb7 11.Rab1 Nh5 (11...h6 12.d3=) 12.Ne4 Qc7 (12...Ndf6 13.d3+=) 13.Bg7+= Ng7 14.Neg5 h6 15.Nf7?? (better is 15.Ne4+=) 15...Kf7–+ 16.Qc3 (16.Nh4 g5 17.Bb7 Qb7–+) 16...Nf6 17.d4. gbsr (2240) – rudedog (2290), net–chess.com, 2003.

8.b5 Rb8 9.d3 a5 10.Nc3 b6 11.d4 Qc7 12.d5 e5 13.de6 fe6 14.Qd2 Rd8 15.Rad1 Nf8 16.e4 Bb7 17.Ng5 h6 18.Nh3 Rd7 19.Qe2 e5 20.Nd5 Nd5 21.ed5 Re7 22.Rd3 Rbe8 23.Re3 Bc8 24.Re1 g5 25.f4 gf4 26.gf4 Ng6 27.Qh5 ef4 (worse is 27...Nf4 28.Nf4 ef4 29.Qe8 Re8 30.Re8 Bf8 31.Bf3+–) 28.Re7 Re7 29.Re7 Qe7 30.Qg6 Bh3 31.Qg7 (31.Bh3?! Qe3 32.Kh1 Qf3 33.Kg1 Qe3 34.Kh1 Qf3 35.Kg1 Qe3=) 31...Qg7 32.Bg7 Kg7? (better is 32...Bg2 33.Bh6 Be4 34.Bf4 Bd3 35.Bd6 Bc4+/–) 33.Bh3+– Kf6 34.Kf2 Ke5 35.Kf3 h5 36.Bf1 Kf5 37.h4 Ke5 38.Be2 Kf5 (38...a4+–) 39.Kf2 Kg6 40.Bf3 Kh6 41.Ke2 Kg6 42.Kd3 (better is 42.Bh5!? Kf5 43.Kf3 Ke5+–) 42...Kf5 43.Bh5 Ke5 44.Bg4 1–0. Vujadinovic,Milan (2175) – Isic,Kosta (1720), Beograd SER, City Team Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0 c5)

8.bc5 dc5 9.Qb3 Qb6 10.Qc2 Qc7 11.Nc3 a6 12.Rab1 Rb8 13.a4 e6 14.d3 Ng4 15.Ne4 f6 16.Bc3 b6 17.Rb3 Bb7 18.Rfb1 Be4 19.de4 a5 20.Rb5 e5 (20...Rbd8 21.Rd1+=) 21.Nd2 Rb7 22.Nf1 Rfb8 23.h3 Nh6 24.Ne3 Nf7 25.Nd5 Qd8 26.Bd2 Nd6 27.R5b3 Nc8 28.h4 Ne7 29.Bh3 Nc6 30.Rd3 Kf7 31.Qd1 Bf8? (31...Qe8 32.Bd7 Rd7 33.Rb6 Rb6 34.Nb6+/–) 32.Bc3 (32.Nf6 Nf6 33.Rd8 Rd8+–) 32...Be7 33.e3 Qe8 34.Ne7 Ke7 35.Qg4 Nf8 36.Rbd1 Rd8 37.f4 (37.Rd8!? Nd8 38.Be5+/–) 37...Rd3+= 38.Rd3 Rd7 39.Qd1 Rd3 40.Qd3 Qd8 41.Qd8 Kd8 42.Kf2 Ke7 43.Kf3 Ne6 44.fe5 (44.Bg2 Kf7=) 44...fe5 45.Kg4 h5 46.Kf3 Kf6 47.g4 hg4 48.Bg4 Nb4 49.Bh3 Na2 50.Be1 Nc1 51.Bg4 Nd3 52.Bc3 Nc7 53.Bd7 Ne6 54.Kg4 Nf2 55.Kf3 Nd3 1–0. Ferrero,Patrick (1870) – Piat,Jerome P (1830), Provence–ch Majeur op, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 Nbd7 7.c4 c5)

8.bc5 dc5 9.d3 Rb8 10.Qc2 a6 11.a4 Qc7 12.a5 b5 13.ab6 Qb6 14.Bc3 Ne8 15.Bg7 Kg7 16.Nc3 Bb7 17.Rfb1 Qd6 18.Na4 (18.Ng5!? Bg2 19.Rb8 Qb8 20.Kg2+/–) 18...Nc7 19.Qc3 f6 20.e3 Bc6 21.Rb8 Rb8 22.Qc2 Ne5 23.Ne5 Qe5 (worse is 23...fe5 24.Nc3+/–) 24.Nc3 Bg2 25.Kg2 Qd6 26.Ne4 Qc6 27.Qa4 Rb6 28.Qc6 Rc6 29.Ra5 Attacks the isolani on c5 29...Ne6 30.Kf3 f5 31.Nd2 Rb6 32.Ra3 g5 33.Nb3 g4 34.Ke2 Kf7 35.Kd2 Ke8 36.Kc3 Nc7 37.Nc5 Rh6 38.Rb3 Rh2? (better is 38...Kf7+/–) 39.Rb7+– Rf2 40.Rc7 Rg2 41.Rc8 (41.Na6?! Rg3 42.Kd2 Rg2 43.Ke1 g3+–) 41...Kf7 42.Kd4 Rg3 43.Nd7 Rg1 44.Ne5 Kg7 45.Rb8 Rf1? (better is 45...g3 46.Rb2 f4+–) 46.Rb2 h5 (46...g3 47.Rg2 f4 48.ef4 Rf4 49.Ke3 Rf1+–) 47.c5 Rc1 48.c6 Kf6 (48...Rc6 49.Nc6 Kf6 50.Rb6+–) 49.Nc4 Ke6 50.Rb8 (50.Rb8 Rc4 51.dc4+–) 1–0. Maris,Iv (2260) – Lecomte,Robin (2330), Dutch Open, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7 7.c4 c5)

8.bc5 dc5 9.d3 Qc7 10.Nc3 a6 11.Rb1 b6 12.Qd2 Bb7 13.e4 e6 14.Ne1 Rad8 15.f4 Bc6 16.e5 Ne8 17.Ne4 Be4 18.Be4 f6 19.ef6 Bf6 20.Nf3 Nd6 21.Qe2 Bb2 22.Rb2 Ne4 23.Qe4 Rfe8 24.Re1 Qd6 25.Rb3 Rb8 26.a4 Kg7 27.Ne5 a5 28.Nd7 Qd7 29.Reb1 Qd8 30.Qe5+= Kf7 31.Kf2 Re7 32.Ke2 Rd7 33.h4 h5 34.Rc3 Rbb7 35.Rb5 Rd6 36.Rcb3 Rbd7 37.Qe3 Re7 38.Kd2 Red7 39.Kc2 1–0. Pithart,Frantisek – Simandl,Karel, CSR–ch sf Trebic, 1959. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 Nbd7 7.0-0)

8.bc5 Nc5 9.d3 Bd7 10.Nc3 Rc8 11.Rb1 Qa5 12.Qd2 Bc6 13.Nd5 Qd8 14.Nf6 ef6 15.h4 h5 16.Ne1 Bg2 17.Ng2 d5 18.cd5 Qd5 19.Ba3 Rfe8 20.Rfc1 b6 21.Nf4 Qd6 22.d4 Ne4? (better is 22...Qd7=) 23.Rc8+– (23.Bd6?! Nd2 24.Rc8 Rc8=) 23...Rc8 (23...Nd2?? 24.Re8 (24.Bd6?! Rc8 25.Rd1 Ne4=) 24...Kh7 25.Bd6 Nb1 26.Re7+–) 24.Qe3 (24.Bd6?! Nd2 25.Rd1 Ne4=) 24...Qc6 (better is 24...Rc3 25.Bd6 Re3 26.fe3 Nd6+–) 25.Rc1 Qd7 26.Rc8 Qc8 27.Qe4 Qc3 (27...f5 28.Qd5 Qc3 29.Qa8 Kh7 30.Qa7 Qa1 31.Kg2 Qd4 32.Qf7+–) 28.Qd3 (better is 28.Qe8 Kh7 29.Qf7 Qa3 30.Ne6 Qc1 31.Kh2+–) 28...Qa1 29.Kg2 Qa2 30.d5 Bf8 (30...f5+–) 31.d6 1–0. Mezovsky,Stanislav – Kviatkovska,Zuzana, SVK–ch Trencin, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0 c5)

8.a4 a5 9.b5 e5 10.d3 Re8 11.Nbd2 Nf8 12.Rc1 c5 13.Rc2 Ra7 14.Qa1 b6 15.Rfc1 Nh5 16.Nf1 Bh6 17.Ne3 Ne6 18.Rd1 Be3 19.fe3 Ng5 20.d4 Nf3 21.ef3 ed4 22.ed4 Qe7 23.Qa3 Qe3?? 24.Qe3+– Re3 25.dc5 (25.dc5 bc5 26.Rd6+–) 1–0. Wagner,T – Ersoez,Can Hakki, Unterfranken–ch, 1992.

8.Nc3 Qc7 9.d3 e5 10.Rb1 Re8 11.b5 Nf8 12.Nd2 Be6 13.bc6 bc6 14.Qa4 Rec8 15.Ba3 a5 16.Rb3 Bd7 17.Nde4 (17.Rfb1 Ra7+=) 17...Ne8 (17...Ne4!? 18.Be4 d5=) 18.Rfb1+= Ra7 19.Rb6 f5 20.Nd2 e4 21.Qb3 Bd4 22.c5 Be6 23.Nc4 Qf7 24.cd6+= Nd7 25.Rb7 Rb7–+ 26.Qb7 Rb8 27.Qc6 Bc3 28.Rb8 Nb8 29.Qb5 Nd7 30.Na5 ed3 31.ed3 Ba5 32.Qa5–/+ Nef6 33.Bb2 Ba2 34.Qa8 Nf8?? 35.Bf6+– Be6 36.Be7 (36.Be7 Kg7 37.Qd8+–) 1–0. Veltman,J (2195) – Bakker,Guido (2085), 28th BSG Pinkstertoernooi, 2011.

8.Nc3 e5 9.d3 Ne8 10.Nd2 f5 11.b5 c5 12.a4 Nc7 13.a5 Rb8 14.Qb3 Ne6 15.Nd5 Nf6 16.e3 g5 17.Bc3 f4 18.Rae1 Kh8 19.b6 a6 20.Qb2 Ne8 21.Qa1 Bd7 22.Qd1 Nf6 23.Ne4 Bc6 24.Nef6 Bf6 25.Be4 Bd5 26.Bd5 Ng7 27.g4 Qd7+/– 28.h3 Ne6 29.Qf3 Kg7 30.Qe4 Rh8 31.Qf5 Nf8 32.Qd7 Nd7 33.d4 h5 34.gh5 Rh5 35.Be6 cd4 36.ed4 ed4 37.Bb4 Ne5 38.Bd6? Nf3–+ 39.Kh1 Re8 40.Bg4 Rh3! 41.Bh3 Ne1 42.Bg4 d3 43.Bb4 Nc2 44.Bd2 Nd4 45.Rd1?? f3 46.Bf3 Nf3 47.Be3 Rd8 48.c5 Ne5 49.f4 Ng4 50.fg5 Ne3 51.gf6 Kf6 (51...Kf6 52.Rd2 Nc4–+) 0–1. Burgess,Mark R (2335) – McMahon,Erick, Wch U20 Gausdal, 1986.

8.d3 Qb6 9.a3 a5 10.Nc3 ab4 (10...Ne5 11.Ne5 de5 12.Na4+=) 11.Na4+= Qc7 12.ab4 Nb6 13.Nb6 Ra1 14.Qa1 Qb6 15.Rb1 Ne8 (15...Qb4?? 16.Bd4 Qb1 17.Qb1+–) 16.b5 Bb2 (16...c5 17.Qa3+=) 17.Rb2 c5 18.Nd2 (18.Ra2 Nc7+=) 18...Nc7 19.Nb3 Be6 20.Ra2 Rb8 21.Qc3 d5 22.Ra1 dc4 23.dc4 Qd6 24.Na5 Bc8 25.h4 Ne6 26.e3 Nd8 27.Bf3+/– b6 28.Rd1 Qc7 29.Nb3 Bb7= 30.Nd2 Ne6 31.Bd5 Rd8 32.Nf3 Ng7 33.Bf7?? Kf7–+ 34.Ng5 Ke8 35.Rd5? Bd5 (35...Bd5 36.cd5 e6 37.Nh7 Qe7–+ (worse is 37...ed5 38.Qf6–+)) 0–1. Veresov,Gavriil – Muratov,Vladimir A, URS–chT, 1967.

8.d4 Qc7 9.Nc3 a5 10.a3 Nb6 11.Qd3 Bf5 12.e4 Ne4 13.Ne4 d5 (13...Na4!? 14.Bc1 d5 15.cd5 cd5=) 14.cd5+= cd5 (14...Na4 15.Qc2 Nb2+/–) 15.Rfc1?? (better is 15.Qc3 Qc3 16.Nc3+–) 15...Qd8–/+ (15...Be4?! 16.Rc7 Bd3 17.ba5=) 16.Nfd2 (16.Ne5 de4 17.Qe2 Bh6+=) 16...Na4 17.Rab1 (17.Qb3 Nb2 18.Nc5 Bd4 19.Bd5 ab4 20.Nb7 Qb6 21.ab4 Ra1 22.Ra1 Nd3–+) 17...de4 18.Be4 Nb2 19.Rb2 Bd4 20.Rbc2 Bf2 21.Kf2 Qd3 22.Bd3 Bd3 23.Rc7 ab4 24.ab4 Ra2 25.Kf3? Bf5 26.Re7? Rd8?? 27.Ne4 Be4 28.Re4 Rd7 29.h4 h5 30.Rec4? Rb2 31.Kf4? Kg7 32.R1c3 Rb1 33.Rf3? b5–+ 34.Re4 f5 35.Re5 Rb4 36.Ke3 Rb3 37.Ke2 Rf3 38.Kf3 Rd3 39.Kf4 Rb3 40.Re6 Kh6 41.Rb6 b4 42.Rb7 Rb1 43.Ke5 Re1 44.Kf6 Re8 ½–½. Scheunemann,Tim – Ringoir,T (1990), 10th Open, Bad Zwesten GER, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 Nbd7 6.c4 0-0 7.0-0)

9.Nc3 Qc7 10.Qb3 Re8 11.Rac1 Nf8 12.Rfe1 Ne6 13.e3 Nf8 14.a4 Bf5 15.Ne2 Rad8 16.a5 h5 17.Nh4 Be6 18.d4 N8h7 19.Nf3 e4 20.Nd2 Bf5 21.h4 Qd7 22.Nf4 g5 23.hg5 Ng5 24.b5 Nh3 25.Kf1 Nf4 26.gf4 Bh3 27.f3 Bg2 28.Kg2 ef3 29.Kf3 Qg4 30.Kf2 h4 31.Rg1 Qh5 32.Rg5 Ng4 33.Ke2 Qg5 34.fg5 Re3 35.Qe3 Ne3 36.Ke3 Re8 37.Kd3 Kh7 38.bc6 bc6 39.Rh1 Kg6 40.Rh4 Kg5 41.Rh1 f5 42.Rg1 Kh6 43.Bc1 Kh7 44.Rh1 Kg6 45.Nf3 c5 46.Nh4 Kf7 47.Nf5 Bf6 48.d5 Re5 49.Nh6 Kg6 50.Ng4 Rg5 51.Bg5 Bg5 52.Ne3 Be3 53.Ke3 Kf5 54.Kf3 Ke5 55.Ke3 Kf5 56.Rh5 Kg4 57.Rh7 Kf5 58.Ra7 Ke5 59.Rd7 Kf6 60.Rd6 Ke5 61.Rc6 Kf5 62.Rc5 Ke5 63.Rc6 Kf5 64.Re6 Kg5 65.Kf3 Kf5 66.c5 1–0. sacaniev (1660) – pomidor55 (1940), kurnik, 2012.

9.Nbd2 Qc7 10.Qc2 b6 (10...c5 11.a3=) 11.d4 ed4 (11...Re8 12.Rad1=) 12.Nd4 Bb7 13.b5 (13.Qa4 Rfe8+=) 13...c5 14.Bb7 Qb7 15.Nc6 Nb8 (15...a6 16.a4=) 16.Nb8 Rab8 (16...Rfb8 17.Bf6 Bf6 18.Rab1=) 17.e4 Rbe8 18.Rae1 Re7 19.f3 Rfe8 20.Nb1 a6 21.Rd1 Rd7 22.Nc3 Red8 23.a3 Ne8 24.Nd5 Bb2 25.Qb2 ab5 26.Qb5+– Qa7 27.Rd3 Rb7 28.Rb1 Kg7 29.f4 Rdb8 30.f5 Qa5 31.Qb2+– f6 32.fg6 hg6 33.Rf3 Rf7 34.g4 g5 35.Rbf1 Ra8?? 36.Nf6 Nf6 37.Rf6 Rf6 38.Qf6 Kg8 39.Qg5 (39.Qg5 Kh8 40.Qh4 Kg8 41.Rf6+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Nbd2 Qe7 10.Qc2 d5 11.cd5 cd5 12.e3 (12.a3 b6+=) 12...Re8 13.a3 (13.Qb3 a5 14.ba5 Ra5+=) 13...Qd6 (13...b6 14.Qa4=) 14.Rfc1+= a5 15.b5 a4 (15...b6 16.a4+=) 16.Qc7 (16.Bc3 Nb6+=) 16...Qe7 (16...Bf8 17.e4 Qc7 18.Rc7+=) 17.Rc2 Now all is on e5 (17.Bc3 e4 18.Bb4 Qd8 19.Qd8 Rd8=) 17...e4 18.Ne1 ed3 19.Nd3 Ne4 (19...Nf8 20.Nb4 Bf5 21.Rcc1 Qc7 22.Rc7+=) 20.Bg7+– Kg7 21.Nf4 Nf2?? (better 21...Ndf6 22.Qe7 Re7 23.Nd5 Nd5 24.Ne4 Bf5+–) 22.Nd5+– (22.Nd5 Qe5 23.Qe5 Ne5 24.Kf2+–; 22.Kf2 Qe3 23.Kf1 g5 24.Nh5 Kg6 25.Qd6 Kh5 26.Qd5 Re6 27.Qf3 Qf3 28.Bf3 g4=) 1–0. Jessel,S (2380) – Ladokun,Kolawole Akinyemi (1930), PRO League Central, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 Nbd7 7.0-0 c6 8.d3 e5)

9.Nbd2 Re8 10.Qb3 h6 11.e4 Qc7 12.Nh4 Nf8 13.Rac1 Ne6 14.Nhf3 Ng5 15.Ng5 hg5 16.b5 Nd7 17.Qd1 Nc5 18.Nb3 Qb6 19.Ba3 Be6 20.bc6 Qc6 21.Rb1 Qc7 22.Bc1 g4 23.Be3 Nd7 24.Qd2 b6 25.Nc1 Rac8 26.Ne2 Qc6 27.Nc3 Nf8 28.Nb5 Qd7 29.Qb4 Red8 30.Qa3 Ra8 31.Nc3 Nh7 32.Rfc1 Bf6 33.Qb2 Ng5 34.Bg5 Bg5 35.Rc2 Kg7 36.f4 gf3+= 37.Bf3 Be3 38.Kh1 Bg4 39.Rf1 Rh8 40.Nd5 Rh6?? 41.Ne3+– Bh3 42.Rff2 Rah8 43.Qc1 f5 44.Nd5 Qd8 45.d4! g5 46.ef5 Bf5 47.Rce2 Bd3 48.Re1 Bf5 49.de5 b5 50.ed6 Rd6 51.Qc3 Kh6 52.Re7 Rg8 53.Qe5 Bg6 54.Nf6 (54.Nf6 Rf6 55.Qf6+–) 1–0. De Leon,Javier – Delgado,Felipe (2205), WchT U26 Mendoza, 1985. (=1.Nf3 d6 2.c4 Nf6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 Nbd7 7.0-0)

9.Nbd2 Re8 10.Qb3 Bh6 =.

9.Nbd2 Re8 10.e4 d5 (10...a5 11.b5=) 11.c5 (11.cd5 cd5 12.Qc2 h6+=) 11...b6 12.ed5 Nd5 (12...cd5? 13.c6 Nf8 14.Be5+– (14.Ne5?! Qd6+=)) 13.Nc4 Nb4 14.cb6 ab6 15.Qb3 (15.Re1 Qc7+=) 15...Nd5 16.d4 (16.Qc2 Re6+=) 16...ed4–/+ 17.Nd4 Nc5 18.Nc6 Nb3 (18...Qc7 19.Qd1 A) 19...Qc6? 20.Bd5 (20.Qd5?! Qd5 21.Bd5 Bb2 22.Nb2 Bb7 23.Bb7 Nb7=) 20...Qa4 21.Bg7 Kg7 22.Qd4 Kg8 23.Ba8 Qa8 24.Nb6+–; B) 19...Bb2 20.Nb2 B1) 20...Qc6 21.Bd5 (21.Qd5?! Qd5 22.Bd5 Ra6=) 21...Qf6 22.Ba8+/–; B2) 20...Nc3–/+) 19.Nd8+= Bb2 20.Nb2 (20.Bd5!? Ba1 21.Ba8 Rd8 22.ab3=) 20...Na1–/+ (20...Rd8?! 21.ab3 Ra1 22.Ra1=) 21.Bd5 Rd8 (21...Ba6 22.Bf7 Kg7 23.Ra1 Red8–/+ (worse is 23...Rad8 24.Be8 Re8 25.Na4+=)) 22.Ba8= Ba6 23.Ra1 Ra8 24.a3 Bb5 25.Nd1 Bd7 26.Ne3 Be6 27.Nc2 Bf5 28.Nd4 Bd7 29.h4 h6 30.Nf3 Be6 31.Nd4 Bd7 Twofold repetition 32.Nf3 Bf5 ½–½. Ortega Morales,Javier – Carraro,Diego, Villa Ballester Fanoba–ch, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bg2 0-0 5.c4 d6 6.Bb2 Nbd7 7.0-0 c6)

8.a3 Qb6 9.Nbd2 d5 (9...cb4 10.Nc4 Qc7 11.ab4=) 10.Rb1 cb4 11.ab4 Qc7 12.c4 Rd8 13.Qb3 e6 14.Rfc1 Qd6 15.Ra1 b6 16.Bd4 Bb7 17.c5 (17.Qb2 Rdc8+=) 17...bc5 18.bc5 Qc6 19.Qc3 a5? (better is 19...Rdc8+=) 20.Nb3+– e5 (20...a4 21.Na5 Ra5 22.Qa5+–) 21.Ne5 (21.Na5?! ed4 22.Qb4 Ra5 23.Ra5 Ra8+/–) 21...Ne5 22.Be5 Qe6 23.Bd4 a4+/– 24.Na5 Ne4? 25.de4+– Bd4 26.Qd4 Ra5 27.c6! Bc6 28.Qb6 Raa8 29.Qc6 Qe5 30.ed5 a3 31.Qc7 Rd6 32.Qc3 Qe2 33.Ra3 Re8 34.Ra7 Re5 35.Bf3 (35.Bf3 Re7 36.Ra8 Re8 37.Qa3+–) 1–0. Cukier – Alberto, Matinhos, 1994. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 Nbd7 6.0-0 0-0)

8.bc5 dc5 9.c4 b6 (better is 9...Qb6!? 10.Qc2 h6=) 10.Ne5+/– Bb7?? (better is 10...Ne5 11.Ba8 Bh3+/–) 11.Bb7+– Rb8 12.Nc6 Qc7 13.Nb8 Qb7 14.Nd7 Nd7 15.Bg7 Kg7 16.Nc3 Nf6 17.e4 Rd8 18.Qe2 e6 19.e5 Nd7 20.f4 Nb8 21.Ne4 Nc6 22.Nd6 Qc7 23.g4 Nd4 24.Qe4 Rd6 25.ed6 Qd6 26.f5! ef5 27.gf5 Nf5 28.Rae1 Nd4 29.Qe5 Qe5 30.Re5 Ne6 31.Re6! fe6 32.Kf2 1–0. cathar (2260) – juditfan (2130), net–chess.com, 2011.

8.bc5 Nc5 9.c4 Bd7 10.Nc3 Bc6 (10...Rc8 11.Qd2=) 11.Qd2 (11.Rb1 e5=) 11...Rc8 (11...e5 12.Rfb1=) 12.Rab1 e5 13.Nb5 (13.Rfd1 Ne6=) 13...a6 14.Nc3 Re8 Black intends e4 15.Kh1 (15.e4 b6=) 15...d5 (15...b5 16.cb5 ab5 17.Ba3=) 16.cd5 Nd5 17.Ba1 (17.Rfc1 Nc3 18.Bc3 e4 19.de4 Be4=+) 17...f5 (17...Nc3 18.Qc3 Bd5 19.Qa3=+) 18.Nh4 (18.Nd5 Bd5 19.Rfd1 b5=+) 18...e4 (18...Nf6 19.Nf3=+) 19.Nd5 Bd5 (19...Ba1 20.Nb6 ed3 21.ed3 Bg2 22.Ng2=+) 20.Bg7 Kg7 21.de4 (21.d4 Ne6=+) 21...Be4 (worse 21...Re4 22.Rfd1 Rh4 23.Bd5+/-) 22.Qb2 (22.Rbd1 Qd2 23.Rd2 Red8 24.Rd8 Rd8=+) 22...Qf6 23.Be4 Qb2 (23...fe4 24.f4=+) 24.Rb2 fe4 25.Rc1 (25.f4 Red8=+) 25...Rc7 (25...Kf6 26.h3=+) 26.Ng2 Rec8 (26...Rd8 27.Ne3=) 27.Nf4 Kf7 (27...b5 28.Rbc2 Kf7 29.Nd5=) 28.Nd5 (28.f3 ef3 29.ef3 Rd8=) 28...Rc6 29.Nb6 (29.Nb4 Rb6 30.Kg2 Ke6=+) 29...R8c7 30.Nc4 (30.Kg2 Ke6=+) 30...Na4 (30...Ke7!? 31.Ne5 Re6=+) 31.Rb7= Rb7 32.Ne5 Kf6 33.Nc6 Rb2 34.Nd4 (34.Rc4!? Ra2 35.Kg2=) 34...Ra2 (34...Ke5 35.e3 Rf2 36.Rc6=+) 35.Rc6 (35.f4 ef3 36.Rc6 Ke7 37.ef3 Rd2=) 35...Ke5-/+ 36.e3 Nb2 37.Rc2 (37.Rc5 Kd6 38.Rc2 Ra1 39.Kg2 Nd3-/+) 37...Ra1 38.Kg2 Nd3 39.Rc7 (better 39.Rd2-/+) 39...h5 (better 39...Ra2!? 40.Re7 Kd5 41.Rh7 Nf2 42.Rd7 Ke5 43.Re7 Kf6 44.Re6 Kf7-/+) 40.Re7= Kd5 41.Rd7 Ke5 (41...Kc5 42.Rc7 Kd6 43.Rc6 Kd5 44.Rg6=) 42.Re7 Kd5 (42...Kf6 43.Re4 Ra2 44.Kg1=) 43.Rd7 Ke5 (43...Kc5 44.Rc7 Kd6 45.Rc6 Kd5 46.Rg6=) 44.Re7 Kd5 (44...Kf6 45.Re4 Ra2 46.Kg1=) 45.Ne2 (45.Rd7!? Kc5 46.Rc7 Kd6 47.Rc6 Kd5 48.Rg6=) 45...Ne1-/+ 46.Kh3 Nf3 47.Nc3 Exerts pressure on the isolated pawn 47...Kd6 48.Rg7 Ke5 49.Re7 Kf5 (49...Kf6 50.Rc7=+) 50.Rf7= (worse 50.Ne4 g5 51.Ng5 Ng5 52.Kg2 Ra2-+) 50...Ke6 51.Rf4 g5 (51...Rc1 52.Ne4 g5 53.Rf3 g4 54.Kg2 gf3 55.Kf3-/+) 52.Re4 Kf5 (52...Kd7 53.g4 h4 54.Rb4=) 53.g4+= hg4 54.Rg4 Rc1 (54...Ra3 55.Ne2+=) 55.Ne2 Rc2 56.Ng3 Ke6 57.Ne4 (57.Ra4!? Rf2 58.Ra6 Kd5 59.Ra5 Kc6 60.Kg4+/-) 57...Kf5+= 58.Kg3 (better 58.Nd6 Ke6 59.Nb7+=) 58...Ng1?? (better 58...Nh2!? 59.Nd6 Ke6 60.Rg5 Nf1 61.Kg2 Ne3 62.Kf3 Kd6 63.Ke3 Ra2=) 59.Nd6 (better 59.f3 Ne2 60.Kh3+-) 59...Ke6+/- 60.Ne4 (better 60.Nb7 Rc7 61.Rb4+/-) 60...Kf5+- 61.h3 (61.f3 Ne2 62.Kh3 Kg6+-) 61...Ne2 (61...Rc1 62.f3 Ne2 63.Kf2+-) 62.Kg2 (62.Kf3 Ra2+-) 62...a5 (62...Nc3 63.Ng3 Ke6 64.Kf3+-) 63.Ng5 (63.Kf3!? Ra2+-) 63...Nc3 (63...a4 64.e4 Kg6 65.Nf3 Kf7 66.Ne5 Ke7 67.Nd3+/-) 64.Nf3 (better 64.e4 Kf6 65.Nf3+-) 64...Kf6? (64...Rb2 65.Rf4 Ke6 66.Ng5 Ke7 67.h4+-) 65.Nd4 (better 65.Rc4!? Rc1 66.Nd2 Rd1+-) 65...Rb2 (65...Ra2 66.Kf3+-) 66.Rf4 (66.Nc6 Ra2+-) 66...Kg6 (66...Kg7 67.Ne6 Kg6 68.Nc5+-) 67.Nc6 a4 68.Rc4 Rc2? (68...Nd1 69.Ra4 Ne3 70.Kf3+-) 69.Nb4 (better 69.Ne7 Kf7 70.Nd5 Rf2 71.Kf2 Nd5 72.Ra4 Kg6+-) 69...Rc1 (69...Rb2 70.Nd3 Rb3+-) 70.Nd3 (70.Nd3 Rc2 71.Nf4 Kf7 72.Nd5 Rf2 73.Kf2 Nd5 74.Ra4+-) 1-0. Plesec,D - Veber,B, Portoroz, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7)

8.bc5 Nc5 9.c4 Bd7 10.Nbd2 Rc8 11.Nb3 Na4 12.Bd4 e5 13.Be3 (worse 13.Ba7 b6-/+) 13...Nc3 Black prepares e4 (13...e4 14.Nfd2=) 14.Qc2 Na4 15.Qd2 (worse 15.Ba7 b6-/+) 15...e4 16.Nfd4 ed3 17.ed3 (worse 17.Qd3 Nb2 18.Qc3 Nc4 19.Bb7 Rc7=+) 17...Ng4 (17...Nc5 18.Bf4 Re8 19.Bd6 Nb3 20.Nb3+= (worse 20.ab3 Ng4=+)) 18.Bg5 (better 18.Bb7!? Rb8 19.Bg2+/-) 18...Qb6= 19.h3 Bd4 20.Nd4 Qd4 21.hg4 Bg4 (21...Nc5!?=) 22.Bh6 Rfe8 23.Rae1 (23.Bb7 Rb8 24.Be3 Qc3=) 23...Bf5 (23...Nc5=+) 24.Qg5?? (24.Bb7!? Re1 25.Re1+=) 24...Bd3 (24...Nc5!?-/+) 25.Re8=+ Re8 26.Rd1?? (better 26.Qb5! Re7 27.Qa4 Bf1 28.Bf1+=) 26...Nc3-+ (26...Qc4 27.Qf6 Qc3 28.Qc3 Nc3 29.Rd3 Na2 30.Rd6+-) 27.Rd3 (27.Rd2 Ne4 28.Qb5 Qa1 29.Kh2 Re5 30.Qe5 Qe5 (worse 30...de5 31.Be4 Qd4 32.Bd3+=) 31.Rd3 Nf2-+) 27...Ne2 (27...Qd3 28.Qf6 Qd1 29.Bf1 Ne2 30.Kg2-+) 28.Kh2 Qd3 29.Bd5 (29.Qg4 Nd4 30.Qd7 Qe2-+) 29...Qf5 (better 29...Qd4 30.Kg2 Nc3 31.Bb7 Nd1-+ (31...Qc4 32.Qf6 Qe4 33.Be4 Re4 34.Qg7)) 30.Qd2?? (30.Qf5 gf5 31.Bb7-+) 30...Qf2 31.Bg2 Qg3 32.Kh1 Re4! 33.Bg5 (33.Be4 Qh3 Mate attack) 33...Rg4 (33...Rh4 34.Bh4 Qh4 35.Bh3 Qh3) 34.Qe2-+ Rg5 0-1. Cox,Tr (2140) - Badacsonyi,Stanley, Checkmate Covid Rematch, 2021. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 Nbd7)

8.a3 Qb6 9.c4 a5 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 e5 13.Nbd2 Re8 Black prepares e4 14.Rb1 d5 Black plans e4 15.c5 (15.Bb2 Qc7=) 15...Qb5 16.Bf1 e4 (better 16...b6 17.e3 bc5=) 17.de4+– Ne4 (17...de4 18.Ng5 Nd5 19.Bg7 Nc5 20.bc5 Qb3 21.Rb3+– (21.Nb3?! Kg7 22.Nd2 e3+–)) 18.Bg7 Kg7?? (18...Ndc5 19.Qb2 Nd2 20.Nd2+–) 19.Ne4 (better 19.e3 Qf1 20.Rf1+–) 19...Re4 20.Qc3 (20.e3!? Qb4 21.Qb4 Rb4 22.Rb4 Nc5+–) 20...f6 21.Nd4 (21.e3!? Rc4 22.Qa1 Qa6 23.Qa6 ba6 24.Bc4 dc4+–) 21...Qc4 22.Qc4 dc4 23.e3 Ne5 24.Rc1 Nd3 (24...g5 25.Rc3 Ng6 26.Bc4+–) 25.Bd3 (25.Rc4 Ne5 26.Rc3 Nf7+–) 25...cd3 26.Rd1 f5 27.Rd3 Kf6 28.Nc2 (28.f3 Re7+–) 28...Rc4+– 29.Rd6 Kg5 (29...Ke7 30.Rd2+–) 30.h4 (30.Nd4 f4 31.ef4 Kh5+–) 30...Kg4 (30...Kh5 31.Nd4 b6 32.Rd8 (32.Rc6?! Bb7=) 32...bc5 33.bc5+– (33.Rc8?! cd4 34.ed4 Rd4=; 33.Nc6?! cb4 34.Rc8 b3+–)) 31.Rd4+– Rd4 32.Nd4 (32.ed4?! Kf3=) 32...h5?? (better 32...Kh5+–) 33.b5 (33.Kg2 g5 34.f3) 33...cb5 (33...g5 34.f3 Kg3 35.hg5 Bd7+–) 34.Nb5 (34.Kg2 g5 35.f3) 34...Kf3 35.Nd6 (35.Nd6 Bd7 36.Nb7+–) 1–0. JUANKARODA (1800) – julguest (1785), lichess.org, 2020.

8.Nbd2 e5 9.Nc4 Qc7 10.e4 Re8 11.a4 b6 (11...d5 12.Ncd2+=) 12.a5 b5 13.Ne3 a6 (13...d5 14.ed5 cd5 15.Qe2=) 14.c4 (14.Nd2 Bh6=) 14...Bb7 (14...bc4!? 15.Nc4 d5 16.Nce5 Ne5 17.Ne5 Re5 18.Be5 Qe5+=) 15.Qb3 h6 16.Rfc1 Qb8 17.cb5 cb5 18.Nd5 Bd5 19.ed5= Rc8 20.Nd2 Ne8 21.Ne4 f5= 22.Rc8 Qc8 23.Rc1 Qb7 24.Nd2 Ndf6 25.Be5!+/– Rc8 26.Bf6?? Rc1–+ 27.Bf1 Nf6 28.Qb2 Qc7 29.Nb3 Rf1! 30.Kf1 Nd5 31.d4 Qc3 32.Qc3 Nc3 33.Ke1 Nd5 0–1. gbsrao (2425) – agostinhoarruda (2440), net–chess.com, 2010.

7.Nc3 Nbd7 8.a4 d5 9.d3 c6 10.Na2 e4 11.Nd2 e3 12.fe3 Ng4 13.Bg7 Kg7 14.Qb1 Ne3 15.Rf3 Qg5 16.Rf4 Qh5 17.Qb2 f6 18.Bf3 Qe5 19.c3 g5 20.Rd4 Qe7 21.g4 Ne5 22.h3 f5 (22...Nf3?! 23.ef3 f5 24.Nf1–/+) 23.c4 Qf6 24.cd5 cd5 25.Nb3? (25.b5–+) 25...fg4 26.hg4 (26.Qd2 Nf3 27.ef3 Qf3–+) 26...Bg4 27.Qd2 (27.Rc1 Bf3 28.Qd2–+) 27...Nf3 28.ef3 Qf3 29.Rg4 (29.Rf4 Qg3 30.Kh1 Rf4 31.Nd4 Bf3 32.Nf3 Qf3 33.Kg1 Qg3 34.Kh1 Rh4 35.Qh2 Rh2) 29...Qg4 30.Kh1 Qh3 31.Kg1 Qg3 (31...Qg3 32.Kh1 Rf2 33.Qc3 Kg8 34.Qg7 Kg7 35.Rg1 Qh4) –+. martin315 (1885) – b4_player (2165), GameColony.com, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5)

7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2 e5 7.0-0).

7.d3 c5 8.bc5 e4 9.de4+/– Ne4 10.Bg7 Kg7 11.cd6 Qd6 12.Qd6 Nd6 13.Rd1 Nf5 14.Nc3+– Nc6 15.Rab1 Re8 16.e4 Nh6 17.Nd4 Nd4 18.Rd4 b6 19.Nb5 Re7 20.e5! Rb8 21.Rd8 Re5 22.Na7 Rc5 23.Re1 Rc2?! 24.Nc6 Ra8 25.Nb4 Raa2 26.Na2 1–0. marre – pentote, internet, 2010.

7.d3 Bd7 8.c4 Qc8 9.Re1 Bh3 10.Bh1 h6 11.Qc2 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Qe6 15.Nc3 Nh5 16.Qa4 c6 17.b5 f5 18.e3 g5 Black plans f4 19.Qa7 f4 (19...Qd7 20.Rb1=) 20.ef4 (20.Qb7 fe3 21.Re3+–) 20...gf4 (better 20...Nf4!? 21.Re3 Qd7=) 21.Qb7+– fg3 22.hg3 Qg4 (22...Qg6 23.Ne4 Bd7 24.c5+–) 23.Re4 (23.Ne4 Rf3 24.Qb8 Kh7 25.Qd6 Ng3 26.Bf3 (worse 26.fg3 Rg3 27.Kf2 Qf4 28.Ke2 Bg4 29.Bf3 Bf3 30.Kf1 Be4 31.Ke2 Rg2 32.Kd1 Qd2) 26...Ne2 27.Kh2 Qf3 28.Rg1 Ng1 29.Nf6 Bf6 30.Qe7 Be7 31.Kg1 Qg2) 23...Qg6+– 24.Kh2 (better 24.Nh4 Qf6 25.Bf3+–) 24...Bg4? (24...Bd7!?+=) 25.Rg4 (25.Nh4 Qg5 26.bc6 Rf2 27.Bg2 Bf3 28.Qc8 Kh7=+) 25...Qg4+– 26.bc6 Qc8 27.Nb5 (27.Nd5!? Kh7 28.g4 Qg4+–) 27...Qc6+– 28.Nd6?? (better 28.Qc6 Nc6 29.Nd6+–) 28…Qd6–+ (28...Qd6 29.Ne5 Rf2 (worse 29...Be5 30.Qd5 Qd5 31.Bd5 Kg7 32.Be5 Nf6 33.f4=+) 30.Kg1 Be5 31.Qd5 Rf7 32.Be5 Qb6 33.Bd4 Qb1 34.Kh2 Qd3=+) 0–1. Garcia – Giardelli, Buenos Aires, 1978. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Bd7)

7.d3 Qe7 8.Nbd2 Nh5 9.c4 f5 10.e3 Nc6 11.b5 Nd8 12.Ne1 Ne6 13.Nc2 Nf6 14.Nb4 g5 15.f4 gf4 16.ef4 ef4 17.gf4 d5 18.Nc2 Rd8 19.Qe2 dc4 20.d4 c3 21.Bc3 Nd5 22.Bd5 Rd5 23.Nf3 Bd7 24.a4 Qf7 25.Ne5+/– Be5 26.fe5 Kh8 27.Kf2 Ng5? 28.Ke1+– c6 29.h4 Ne6+/– 30.Ne3 Rd4 31.Nf5+– c5?? 32.Nd4 (32.Nd4 Qg6 33.Nf5+–) 1–0. Ivanka Budinsky,M – Kapetanovic,A, Belgrade, 1988. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.c4 a6 9.b5 ab5 10.cb5 Bd7 11.bc6 Bc6 12.Nc3 Na6 13.Ba3 Nc7 14.Bb4 Ncd5 15.Nd5 Nd5 16.Qb3? (better is 16.Bc3–/+) 16...e4–+ (16...Nb4?! 17.Qb4 Qa5 18.Rfb1+=) 17.Nh4 Nb4 18.Qb4 Ba1 19.Ra1 Qf6 20.Rc1 d5 21.Bh1 Ra4 22.Qb6 Rfa8 23.Kg2 g5 24.Nf3 ef3 25.ef3 g4 26.fg4 d4 27.Kg1 Ra1 28.Bc6 Rc1 29.Kg2 Qc6 30.Qc6 bc6 31.d3 Ra3 32.h4 Rd3 33.h5 c5 34.g5 c4 35.h6 c3 36.f4 Rg3! 37.Kg3 d3 38.Kf3 d2 39.f5 d1B 40.Ke3 Bh5 41.f6 Rd1 42.Kf4 c2 43.g6 c1B 44.Ke5 hg6 45.h7 Kh7 46.Ke4 Bg4 47.Ke5 Bb2 48.Kf4 Bf6 49.Kg4–+ Rd4 50.Kg3 g5 51.Kf3 g4 52.Kg3 Be5 53.Kh4 g3 54.Kg5 f6 55.Kh5 Rd1 56.Kg4 g2 57.Kh5 g1R 58.Kh4 Rd4 59.Kh3 Rd8 60.Kh4 Kg6 61.Kh3 Rh8# 0–1. rryy44 – ats001, kurnik, 2011.

8.c4 Nbd7 9.b5 d5 (9...Re8 10.d3=) 10.cd5 (worse is 10.Be5 Ne5 (worse is 10...dc4 11.bc6 Ne5 12.Ne5+=) 11.Ne5 Ng4 12.cd5 Ne5 13.dc6 Nc4+=) 10...e4 11.Nd4 (worse is 11.bc6 ef3 12.Bf3 Nb6+=) 11...cd5 12.e3 Nc5 13.Nc3 Bg4 14.Qc2 Nd3 15.Ba3 Re8 16.f3 ef3 17.Bf3 Ne5 18.Bg4 Nfg4 19.Nf3? (19.Rac1 Rc8=) 19...Nc4 (19...Nf3 20.Rf3 Rc8 21.Qb3 Ne3 22.Rc1–+) 20.Qd3? (20.Bc5 Nge3 21.de3 Ne3=) 20...Bc3?? (better is 20...Nge3 21.de3 Re3 22.Qd5 Bc3 23.Qd8 Rd8–+) 21.Qc3= Na3 22.Qa3 Rc8 23.h3 Ne5 24.Ne5 Re5 25.d4 Re4 26.Rf3 Qd7 27.g4? Rce8?? 28.Raf1= Qe6 29.Rf6 Qd7 30.R1f3 Qe7 31.Qe7 R8e7 32.Kf2 R4e6 33.g5 Kg7 34.h4 h6 35.gh6 Kh6 36.Rf7 Rf7?? 37.Rf7+– Kh5 38.Rb7 Kh4 39.Ra7 Rf6 40.Ke2 g5 41.a5 g4 42.Rg7 g3 43.b6 Rf2 44.Kd3 Rb2 45.b7 Kh3 46.a6 g2 47.a7 Rb7 48.Rg2! Ra7 49.Rg5 Ra3 50.Ke2 Kh4 51.Rd5 Kg4 52.Re5 Ra2 53.Kd3 Ra3 54.Kc4 Kf3 55.e4 Kf4 56.Re8 Ra4 57.Kd5 Ra5? 58.Kc6 Ra6 59.Kb7 Ra4 60.d5 Rd4 61.Kc6 Rc4 62.Kd7 Ra4 63.d6 Ra7 64.Kd8 Ra8 65.Ke7 Ra7 66.Kf8 Ra6 67.e5 Kf5 68.d7 Kg6 1–0. rryy44 – simoneperf, kurnik, 2011.

8.c4 Re8 9.e3 Nbd7 10.d3 a5 11.b5 Nc5 12.d4 ed4 13.Nd4 Nfe4 14.bc6 bc6 15.Nc3 Ba6 16.Ne4 Ne4 17.Nc6 Qc7 18.Bg7 Kg7 19.Qd4 Nf6 20.Rfc1 Rac8 21.Na5 Qa5 22.Qd6 Bc4 23.Bc6 Red8 24.Qf4 Be6 25.Bb5 Rc1 26.Rc1 Qd2 27.Rc7 Bh3 28.Rf7 Kf7 29.Qc4 Kg7 30.Qc7 Kh8 31.Bf1 Qd1 32.Qc4 Bf1 33.Qf1 Qf1 34.Kf1 Ra8 35.Kg2 Ra4 36.h4 Kg7 37.Kf3 h5 38.Kg2 Ng4 39.Kf3 Kf6 40.Kg2 Ke5 41.f4 Ke4 42.Kh3 Ke3 43.f5 gf5 44.Kg2 Ra2 45.Kf1 Kf3 46.Ke1 Kg3 47.Kd1 Kh4 0–1. rryy44 – szach0007, kurnik, 2012.

8.b5 Na5 9.d3 c6 10.c4 c5 11.Nfd2 Rb8 12.Bc3 Qc7 13.Ne4 Ne4 14.Be4 Kh8 15.Kg2 f5 16.Bd5 b6 17.Ba5 ba5 18.Nc3 e4 19.Qc2 ed3 20.Qd3 Bd7 21.f4 Rbe8 22.e4 fe4 23.Be4 Bd4 24.Rac1 Qc8 25.Kh1 Bh3 26.Bg2 Re3 27.Qd2 Bg4 28.Nd5 Ra3 29.h3 Be6 30.Rfe1 Bh3 31.Kh2 Qg4 32.Bh3 Qg3 33.Kh1 Qh3 34.Qh2 Qf3 35.Qg2 Qh5 36.Qh2 Rh3 37.Re2 Rh2 38.Rh2 Qf3 39.Rg2 Rf5 40.Nf6 Bf6 41.Kg1 Bd4 0–1. rryy44 – marius53, kurnik, 2012.

8.b5 Na5 9.d3 c6 10.c4 e4 11.Nd4 ed3 12.Qd3 cb5 13.cb5 d5 14.Bc3 Nc4 15.Nd2 Nd2 16.Qd2 Ne4 17.Be4 de4 18.e3 Bh3 19.Rfd1 Rc8 20.Bb4 Re8 21.Rac1 Rc1 22.Rc1 h5 23.Ba5 b6 24.Bb4 h4 25.Nc6 Qd2 26.Bd2 hg3 27.hg3 Be6 28.a5 ba5 29.Na5 Rd8 30.Bb4 Rd3 31.Nc6 Rb3 32.Bc5 Rb5 33.Ba7 Rb2 34.Nd4 Bg4 35.Bc5 Rd2 36.Kf1 Rd1 37.Rd1 Bd1 38.Ne2 Bb3 39.Kg2 f5 40.Bd4 Bf8 41.Nf4 Kh7 42.f3 ef3 43.Kf3 Bd1 44.Kf2 Bd6 45.Ba7 Ba4 46.Bd4 Bc6 47.Ba7 Bc7 48.Bd4 Be4 49.Ne6 Bd6 50.Nc5 Bc5 51.Bc5 Kh6 52.Bd6 Kh5 53.Be7 Kg4 54.Bd6 Bc2 55.Bf4 Bd1 56.Bd6 Bf3 57.Bf4 Be4 58.Bd6 Ba8 59.Bf4 Be4 60.Be5 g5 61.Bd6 Bd3 62.Be5 Kh3 63.Bf6 Kg4 64.Be5 Kh5 65.Bc7 Kg6 66.Be5 Be4 67.Bc7 Bh1 68.Bd6 Bc6 69.Bc7 Be4 70.Bb8 Kf6 71.Bc7 Kg6 72.Bd6 Kf6 73.Bc7 Ke6 74.Bd8 g4 75.Bc7 Bc6 76.Bf4 Kd5 77.Ke2 Ke4 78.Kf2 Bb5 79.Bd6 Bc4 80.Bc7 Bb5 81.Bb8 Bc4 82.Bc7 Bb5 83.Bf4 Bc4 84.Bg5 Bb5 85.Bh6 Bc4 86.Bf4 Bb5 87.Bh6 Bc4 88.Bf4 Bb5 ½–½. rryy44 – marius53, kurnik, 2012.

8.b5 Ne7 9.c4 a6 10.d3 ab5 11.cb5 c6 12.bc6 bc6 13.Nfd2 Qd7 14.Nc3 Bb7 15.a5 d5 16.Ba3 Ra5 17.Be7 Ra1 18.Qa1 Qe7 19.e4 Ra8 20.Qb1 d4 21.Ne2 Rb8 22.Qc2 Nd7 23.Nc4 Ba6 24.f4 Bc4 25.Qc4 c5 26.fe5 Be5 27.Nf4 Bf4 28.Rf4 Rb1 29.Bf1 Ne5 30.Qc2 Rb4 31.Qd2 Kg7 32.Rh4 h5 33.Rf4 Qb7 34.Qf2 Rb2 35.Qe1 Ng4 36.Bg2 Ne3 37.Bh3 Rb1 38.Qb1 Qb1 39.Bf1 Nf1 40.Rf1 Qd3 41.Re1 c4 42.e5 c3 43.e6 fe6 44.Re6 Qe3 45.Re3 de3 46.Kf1 c2 47.Ke2 c1Q 0–1. rryy44 – marius53, kurnik, 2012.

8.c4 a5 9.b5 Ne8 (9...Nc5 10.Na3=) 10.Ne1 f5 (10...Nc5 11.Na3=) 11.d4 ed4 12.Bd4 Bd4 13.Qd4 Qf6 14.e3 Nc5 15.Ra3 Ng7 16.Nc3 Be6 17.Nd5 Bd5 18.Bd5 Nge6 19.Nf3 Kg7 20.Qf6 Kf6 21.Nd4 Rab8 22.Rd1 Rfe8 23.b6 cb6 24.Ne6 Ne6 25.Rb3 Nc5 26.Rb6 Red8 27.Rdb1 Rd7 28.Bc6 Rc7 29.Bd5 Rd7 Twofold repetition 30.Ra1 g5 31.Rb5 Ra8 32.Bf3 h6 33.Bd1 Ke6 34.Bc2 Ra6 35.Rd1 Rf7 36.f4 g4 37.Rd5 Rf8 38.h3 h5 (38...gh3 39.Kh2+=) 39.h4+/– Rf7 40.Kf2 Rf8 (40...Rc6!?+/–) 41.e4 fe4 42.Rh5 Rc6 43.Ke3 b6 44.Rg5 Kf6 45.Rg4 Na6?? (better is 45...Rh8+/–) 46.Be4+– Rc4 47.Rf5 Ke7 48.Rf8 Kf8 49.Bd3 (49.Bd3 Rc3 50.Kd4+–) 1–0. Gutman,Lev (2495) – Karwatt,Lothar (2065), Niedersachsen–ch, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.a4 Nbd7)

8.c4 Rb8 9.b5 c6 10.Nc3 Re8 11.d3 d5 12.cd5 cd5 13.e3 b6 14.Nd2 Bb7 15.d4 Nh5 16.de5 Ne5 17.Nf3 Nf3 18.Bf3 Nf6 19.Ne2 Rc8 20.Nd4 Ne4 21.Bg4 f5 22.Bh3 Nc3 23.Qd3 Ne4 24.Rac1 Qd7 25.f3 Nc5 26.Qd1 Qe7 27.Re1 Ne6 28.Rc8 Rc8 29.Qd2 Nd4 30.ed4 Qc7 31.Rc1 Qd7 32.Qf4 Rc1 33.Bc1 Qe7 34.Be3 Qd8 35.g4 Bc8 36.g5 Qd7 37.Qc7 Qc7 0–1. rryy44 – anzhel, kurnik, 2012.

8.c4 Re8 9.b5 c5 10.d3 b6? (better is 10...a6=) 11.Ne5+– Rb8? (better is 11...d5 12.Nc6 Qc7+–) 12.Nc6 Qc7 13.Nb8 Qb8 14.Nd2 Bb7 15.Bb7 Qb7 16.a5 d5 17.ab6 Nb6 18.Nf3 d4? 19.Bc1 Kh8 20.Bf4 h6 21.Qc2 Kh7 22.Ra6 g5 23.Bd2 Nfd7? 24.Ba5?? Kg8? 25.Bb6+– Nb6 26.Rfa1 Ra8 27.e3 de3+= 28.Qb1?? Ba1 29.Qa1 Qf3 30.fe3 Qe3 31.Kg2 Qd2 32.Kh3 Qd3 33.Rb6 Qf5 34.Kg2 Qe4 35.Kf2 ab6 36.Qb2 Qd4 37.Qd4 cd4 38.Ke2 Ra3 39.h4 gh4 40.gh4 h5 41.Kd2 Kg7 42.c5 bc5 43.b6 Rb3 44.b7 f5 45.b8Q Rb8 46.Kd3 Kf6 47.Kc4 Rd8 48.Kc5 d3 49.Kc6 d2 50.Kc7 d1Q (50...d1Q 51.Kb6 Qb3 52.Kc7 Qb8 53.Kc6 Rc8 54.Kd5 Qe5#) 0–1. rryy44 – boma60, kurnik, 2011.

8.d3 Bh6 =.

8.e3 Nb6 9.d3 Bg4 10.c4 e4 11.de4 Ne4 (better is 11...Nc4 12.Bd4 A) worse is 12...Ne4 13.Bg7 Kg7 14.Qd4 Qf6 15.Qe4 (15.Qc4 Bf3 16.Bf3 Qf3–/+) 15...Bf3 16.Bf3+/–; B) 12...c5 13.bc5 dc5 14.Bc5 Ne4+=) 12.Bg7+/– Kg7 13.c5 (13.Qd4 Qf6 14.a5+/– (14.Qe4?! Bf3 15.Bf3 Qa1=)) 13...Nc4?? (better is 13...dc5 14.Qd8 Rfd8=) 14.Qd4+– Kg8? (14...Qf6 15.Qe4 Bf3 16.Bf3 Qa1 17.Qc4 dc5+–) 15.Qc4 d5 16.Qd4 1–0. rryy44 – markus098, kurnik, 2012.

8.Ne1 c6 9.c4 Be6 10.d3 Nbd7 11.b5 Rc8 12.Nc3 d5 13.bc6 bc6 14.cd5 cd5 15.Nb5 a6 16.Nd6 Qb6 17.Ba3 Nc5 18.Nc8 Rc8 19.Bc5 Qc5 20.Nf3 e4 21.d4 Qc3 22.Ne5 Nd7 23.Nd7 Bd7 24.e3 Bf8 25.Qe2 a5 26.Qa6 Bb4 27.Qb7 Be6 28.h4 Qc7 29.Qc7 Rc7 30.Rfc1 Rc1 31.Rc1 Kf8 32.Kh2 Kg7 33.Bh3 Kf6 34.Be6 fe6 35.g4 h6 36.Kg3 Bd6 37.Kg2 Bb4 38.Rc6 Ba3 39.Ra6 Bb4 40.f3 Ke7 41.fe4 de4 42.Kg3 Kf6 43.Kf4 g5 44.hg5 hg5 45.Ke4 Bd2 46.d5 Bb4 47.Re6 Kf7 48.Ra6 Ke7 49.Kf5 Bd2 50.e4 Kd7 51.e5 Ke7 52.d6 Ke8 53.e6 1–0. rryy44 – szachofan, kurnik, 2012.

8.h3 Be6 9.Ng5 Bc8 10.h4 h6 11.Ne4 Ne4 12.Be4 c6 13.b5 d5 14.Bg2 Be6 15.d3 Qd7 16.Nd2 Bh3 17.Rb1 Bg2 18.Kg2 Qg4 19.bc6 bc6 20.Nf3 Nd7 21.Ba3 Rfb8 22.Bd6 Rb1 23.Qb1 Qe6 24.Ba3 Rb8 25.Qa2 a5 26.c4 d4 27.Nd2 f5 28.Nb3 c5 29.Nc5 Nc5 30.Bc5 Qc6 31.Kg1 Qc5 32.Rb1 Rb4 33.Ra1 Kh7 34.Kg2 e4 35.de4 fe4 36.Rc1 Qc6 37.c5 d3 38.ed3 ed3 39.f3 Ra4 40.Qd2 Rd4 41.Qa5 d2 42.Rd1 Rd5 43.Rd2 Rc5 44.Qd8 Rc2 45.Re2 Re2 46.Kh3 Qf3 0–1. rryy44 – ficherschi01, kurnik, 2012.

8.h3 Bf3 9.Bf3 c6 10.c4 Nbd7 11.b5 c5? (better is 11...d5!?=) 12.Bb7+/– Rb8 13.Bg2 Nb6 14.d3 Qe7 15.a5 Nbd7 16.Nc3 Ne8 17.Nd5 Qd8 18.e3 Nc7 19.Qf3 (better is 19.f4+–) 19...e4+= 20.de4 (better is 20.Qe4 Re8 21.Qh4+=) 20...Bb2–/+ 21.Rab1 Be5 22.b6? (better is 22.Nf4!?–/+) 22...ab6 23.ab6 Nd5 24.ed5 Nb6 25.Qe2 Nd7 26.f4 Rb1 27.Rb1 Bg7 28.e4 Bd4 29.Kh2 Qa5 30.Rb5 Qc3 31.Rb7 Rd8 32.h4 Qe3 33.Qe3–/+ Be3 34.Kh3 Nf6 35.e5 de5 36.fe5 Nh5 37.Bf3 Bf2 38.Bh5 gh5 39.g4 hg4 40.Kg4 Bd4 41.Kf5 Kf8 42.h5 Re8 43.e6 fe6 44.de6 h6 45.Rh7?? Be3 46.Rh8 Ke7 47.Re8 Ke8–+ 48.Kf6 Bg5 49.Ke5 Ke7 50.Kd5 Bf6 51.Kc5 Ke6 52.Kc6 Be5 53.c5 Kf5 54.Kd7? Kg5 55.c6 Kh5 56.c7 Bc7! 57.Kc7 Kg4 58.Kd6 h5 59.Ke5 h4 60.Ke4 Kg3 61.Ke3 h3 62.Ke2 Kg2 63.Ke3 h2 0–1. rryy44 – zeqirie, kurnik, 2011.

8.a3 Na6 9.Nbd2 c5 (9...c6 10.c4=) 10.bc5 (10.b5 Nc7 11.c4 Re8=) 10...Nc5 11.Rb1 Na4 (11...Qc7 12.c4=) 12.Ba1 Nd5 13.Qe1 (13.Rb3 Nc5 14.Rb5 Nc7=) 13...Ndc3 14.Rb3 Qc7 15.Nb1 Nb1 16.Qb1 Attacks the backward pawn on b7 16...Nc5 17.Rb6 Na4 (17...d5 18.Nd2 Rd8 19.c4=) 18.Rb5 Rb8 19.Qb3 (19.Nd2 b6=) 19...Nc5=+ 20.Qc3 Bd7 21.Rbb1 Bc6 (21...Rfc8 22.d4 ed4 23.Nd4=) 22.Qd2= b5 23.e4 (23.Rfd1 Rfc8=+) 23...Rfc8 (23...f5 24.ef5 Rf5 25.Nh4 Bg2 26.Kg2=+) 24.h4 (24.Qe3 f5=+) 24...d5 25.ed5 Bd5 26.Rfe1 Nd7 The backward pawn on c2 becomes a target (26...f6 27.Qe2=+) 27.Rbc1 (27.Ne5!? Bg2 28.Nd7 Qd7 29.Kg2 Ba1 30.Ra1=) 27...Qb7 (27...Rd8 28.h5=+) 28.Qe3 e5 seems the pivot of the position (28.Qe2 Nc5=+) 28...Nf6 (28...Bf8 29.Bb2 Bc5 30.Qe2=+) 29.Qe2 (29.c4 bc4 30.dc4 Bc6=) 29...Re8 (29...e4 30.de4 Ne4 31.Bg7 Kg7 32.Nd4=) 30.c4 (30.Be5? Nd7 31.d4 f6 32.Bb8 Re2 33.Re2 Bf3 34.Bf3 Qf3–+ (34...Qb8 35.Bd5 Kf8 36.Rce1=+)) 30...bc4 31.dc4 The passed pawn on c4 will become decisive later 31...Bc6 32.Rcd1 (32.Rc2 Rbd8=) 32...Bf8 33.Qd3 Ng4 34.Qc3 (34.Ne5!? Ne5 35.Be5 Bg2 36.Bb8=) 34...Bc5=+ 35.Rd2 f6 (35...Rbd8 36.Rde2 Qa7 37.Rf1=+) 36.h5 (36.Qa5!? Bf2 37.Rf2 Nf2 38.Kf2=+) 36...Rbd8 (36...Red8 37.Rde2 e4 38.Nh4–+) 37.Rde2 a4 (37...e4 38.Nh4 Qb6 39.Qc2–/+) 38.hg6=+ hg6 39.Qc2?? (better 39.Bb2=+) 39...Bf3–+ 40.Qg6 Kf8 41.Rb2 Bf2 (41...Qc6! 42.Bh3 Qd7 43.Bg4 Qg4 44.Qf6 Kg8 45.Qh4–+) 42.Rf2 Qa7 Threatening mate: Qxf2 (42...Nf2 43.Qf6 Qf7 44.Qh8 Qg8 45.Qf6 Qf7 46.Qf7 Kf7 47.Bf3+=) 43.Ref1 (43.Qc2 Nf2 (worse 43...Qf2 44.Qf2 Nf2 45.Bf3–+) 44.Qf2 Qf2 45.Kf2 Bg2 46.Kg2 Rd2 47.Kf1 Rc2–+) 43...Rd1 (43...Nf2?! 44.Qf6 Kg8 45.Rf2 Rd1 46.Bf1=) 44.Qc2 Rf1 (44...Ra1 45.Ra1 Bg2 46.c5–+) 45.Bf1 Qc5 (45...Be4 46.Qe2 Qh7 47.Rh2 Qh2 48.Qh2 Nh2 49.Kh2–+) 46.Bc3 Kg7 (46...Nf2? 47.Bb4 Qb4 48.ab4+–; 46...Qf2?! 47.Qf2 Nf2 48.Kf2–+) 47.Be1?? (better 47.Bb4 Qd4 48.Qd2–+) 47...Rh8 48.Bg2 Bg2 49.Kg2 (49.Qd1 Nf2 50.Bf2–+) 49…Ne3 (49...Ne3 50.Kf3 Nc2 51.Rc2 e4 52.Ke2 Rh1 53.Bb4 Qg1 54.Bf8 Kf8 55.c5 Qe1; 49...Qc6 50.Kf1 Ne3 51.Ke2 Nc2 52.Kd1 Ne3 53.Kd2–+) 0–1. Ye,Jiangchuan (2530) – Xie,Jun (2485), Beijing Tan Chin Nam cup CHN, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 a5)

8.a3 ab4 9.ab4 Ra1 10.Ba1=.

8.a3 e4 9.de4+= Ne4 10.Bg7 Kg7 11.Qd4 (11.Nd4 d5 12.Nd2 Nf6+=) 11...Qf6= 12.Qf6 Nf6 13.Nbd2 Re8 14.e3 Nc6 15.b5 Ne5 16.h3 Nf3 17.Nf3 Ne4 18.c4 Bd7 19.Rfd1 Re7 20.Rac1 Rae8 21.Nd4 b6 22.Nb3 (better 22.h4!?=) 22...Ng3–/+ 23.fg3 Re3 24.Nd4 Rg3 25.Kf2 Ra3 26.Re1 Re1 27.Re1 Kf6 28.h4 (28.Rf1 Be6 (28...Bh3 29.Bh3 Kg7 30.Bg4+–) 29.Ke2 Ke7 30.Ne6 fe6–+ (worse 30...Ke6 31.Bd5 Ke5 32.Rf7+–)) 28...Be6–+ 29.Bd5 Bd5 30.cd5 Rc3 31.Re8 Rc5 32.Ke3 Rd5 33.Kd3 Rc5 34.Rh8 h6! 35.Rc8 (35.Rh6 Kg7 Decoy) 35...Kg7 36.Re8 (36.Ke3 g5 37.h5 g4–+) 36...g5 37.h5 (37.hg5 hg5 38.Re1–+) 37...g4 38.Rc8 (38.Re4 Rg5–+) 38...Kf6 (38...g3 39.Ke3–+) 39.Ke4 (39.Ke3 Kg5–+) 39...Kg5 40.Rg8 Kh5 41.Nf5 (41.Kf4 Rg5 42.Rh8 g3–+) 41...Rb5 42.Kf4 (42.Ng3 Kh4 43.Nf5 Kh3 44.Nh6 a4–+) 42...Rb4 43.Kg3 f6 (43...a4 44.Ne3 Rb3 45.Kf4–+) 44.Kg2 (44.Ne3 Rb5 45.Kf4 Rg5–+) 44...Rb2 45.Kg1 (45.Kg3 a4 46.Ng7 Kg6 47.Ne8 Kf7–+) 45...Rb5 46.Ng3 (46.Nd4 Rb1 47.Kf2 a4–+) 46...Kh4 47.Kf2 (47.Nf1 f5–+) 47...f5 (better 47...a4 48.Ra8 Ra5 49.Re8–+) 48.Rg6 (48.Ne2 a4 49.Rh8 a3 50.Rh6 Kg5–+) 48...Rb2 49.Ne2 f4 50.Kf1 (50.Ke1 f3 51.Nd4 a4 52.Rh6 Kg3 53.Nf5 Kf4–+) 50...f3 51.Nd4 Kg3 52.Nf5 Kf4 53.Nh6 Rb1 (53...Rb1 54.Kf2 g3 55.Rg3 Rb2 56.Kg1 Kg3 57.Nf5 Kf4 58.Ne7 Re2 59.Ng6 Kg3 60.Kf1 Rb2 61.Ke1 f2 62.Kf1 Rb1 63.Ke2 f1Q 64.Kd2 Qd1 65.Kc3 d5 66.Ne5 Rb3) 0–1. Auger,Bertrand (1935) – Tanaka,Taira Tyler (2050), Canadian Open, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

8.a3 Nh5 9.Re1 f5 10.c4 Nd7 11.Qc2 g5 12.Nc3 g4 13.Nd2 Ndf6 14.Nd5 f4 15.c5 Nd5 16.Bd5 Kh8 17.cd6 cd6 18.ba5 Ra5 19.Qb3 Bd7 20.Bc3 Rb5 21.Bb4 Bc6 22.Bc6 bc6 23.Qe6 fg3 24.hg3 c5 25.Bc3 Rf6 26.Qd5 Rb8 27.a4 Rg6 28.Ne4 Qg8 29.Qg8 Kg8 30.Reb1 Rc8 31.a5 Bf8 32.a6 Ra8 33.a7 Rg7 34.Rb8 Raa7 35.Ra7 Ra7 36.Nd6 Nf6 37.Nc4 Nd7 38.Rd8 e4 39.de4 Kf7 40.Ne5 Ne5 41.Be5 Ra2 42.Kf1 c4 43.Rc8 Rc2 44.f4 gf3 45.ef3 h5 46.f4 Bb4 47.f5 c3 48.Rc7 Ke8 49.Bf4 Ra2 50.f6 c2 51.Bg5 Kd8 52.Rb7 Bc5 53.f7 Kc8 54.Rb5 Bf8 55.Re5 Kd7 56.Re8 Ra1 57.Ke2 Bb4 58.e5 c1Q 59.Bc1 Rc1 60.e6 Kc7 61.e7 Re1 62.Kf2 Re7 63.f8Q Bc5 64.Kf1 1–0. Taggatz,Mario (2190) – Zontakh,Andrey (2460), It open Bled, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

8.b5 c6 9.a4 cb5 10.ab5 Re8 11.c4 e4 12.de4 Ne4 13.Bg7 Kg7 14.Nfd2 Bf5 15.Ne4 Be4 16.Qd4 Qf6 17.Qf6 Kf6 18.Be4 Re4 19.Nc3 Rd4 (19...Rc4? 20.Nd5 Ke5 21.Nb6+–) 20.e3 Rd3 21.Nd5 Rd5 22.cd5 Nd7 23.Rfd1 Nc5 24.Rd4 g5 25.Ra3 b6 26.h4 h6 27.Kg2 1–0. Poleschi,Ricardo D – Lebenshon,Lisandro, UECC ARG email, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 a5)

8.b5 Nh5 9.a4 (9.Nc3 a4 10.a3 d5=) 9...f5 (9...e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Qf8 13.Re1+=) 10.Na3 f4 11.c4 Nd7 12.Qb3 (12.g4 Nhf6 13.g5 Nh5=) 12...Nc5 13.Qc2 g5 14.d4 Bf5 15.Qd1 Nd7 (better is 15...e4!? 16.Ne5 Na4 17.Qa4 de5 18.de5 Qd2+=) 16.de5+/– de5 17.Qd5 Kh8 18.Ne5 Ne5 19.Be5 Qe7? 20.Bg7+– Ng7 21.Rfe1 Rad8 22.Qb7+– Ne6 23.Qa7 Nd4 24.Bd5 Qg7 25.Rad1 Ne6 26.Qa5 fg3 27.hg3 h5 28.Qa6 Rd5 29.cd5 Nc5 30.Qa7 Ne4 31.Qd4 Rf6 32.Nc4 h4 33.g4! Bh7 34.Ne5 Nf2 35.Nd7! Rf4 36.Qg7 Kg7 37.e3 Rf3 38.Ne5 Nh3 39.Kh2 Rg3 40.Rd2 Be4 41.a5 Kf6 42.a6 Ke5 43.a7 (43.a7 Bd5 44.Rd5 Kd5 45.a8Q Ke5 46.Qe8 Kf6 47.Rf1 Nf4 48.Qc6 Kg7 49.ef4 Rg4 50.Qd7 Kh6 51.Qg4 Kg7 52.fg5 h3 53.Qd7 Kg6 54.Qf7 Kg5 55.Rf5 Kg4 56.Qh5) 1–0. gbsrao (2550) – wvmaniac (2445), net–chess.com, 2010.

8.Nbd2 ab4 9.a3 ba3 10.Ra3 Ra3 11.Ba3 Nc6 –/+.

8.Nbd2 ab4 9.Nc4 Nc6 (9...Be6 10.Ng5 Bc4 11.dc4–/+) 10.a3 ba3 11.Ba3 (11.Ra3 Be6–/+) 11...e4 (11...Be6 12.Ne3–+) 12.de4–/+ Ne4 13.Bb2 Ra1 14.Qa1 Bb2 15.Qb2 Qf6 16.Qf6 Nf6 17.Rb1 Re8 18.e3. gbsr (2330) – kerger (2315), net–chess.com, 2003.

8.Nbd2 ab4 9.Ne4 Ne4 10.de4 Nc6 11.c4 bc3! 12.Bc3 Be6 13.Nd2 Ra2 14.Ra2 Ba2 15.Qa4 Qa8 16.Qa8 Ra8 17.Ra1 Ra7 18.f4 Be6 19.Ra7 Na7 20.f5 gf5 21.ef5 Bc8 22.e4 Nc6 23.Nf3 b5 24.g4 b4 25.Bb2 Na5 26.Bf1 c5 27.g5 c4 28.f6 Bf8 29.Bc1 b3 30.Kf2? c3 31.Bd3 b2 32.Be3 Ba6! 33.Bc2 Bc4 34.Ke1 Bb3 35.Bd3 c2 36.Bc2 Bc2 37.Nd2 b1Q 38.Nb1 Bb1 0–1. gbsrao (2400) – lovecraft (2110), net–chess.com, 2011.

9.c4 Nbd7 10.Nbd2 Nc5 11.Rb1 Re8 12.Ng5 Bf5 13.Nge4 Nfe4 14.Ne4 (worse is 14.Be4 Ne4 15.Ne4 d5–/+) 14...Ne4 15.Be4 Be4 16.de4 Qd7 17.Qd5 c6 18.bc6 bc6 19.Qd3 Bf8 20.Ba3 Qc7 21.Rfd1 Red8 22.Kg2 Rab8 23.Rb8 Rb8 (23...Qb8!? 24.Qc3 Qc7=) 24.Bd6+= Bd6 25.Qd6 Qd6 26.Rd6 Rb2 27.Rc6 Re2 28.Ra6 Ra2 ½–½. Aguettaz,M (2385) – Smirin,I (2645), TOP, 2010.

9.c4 Nbd7 10.e3 Re8 11.Na3 e4 12.Ne1 Nc5 13.Bf6 (13.d4 Ne6 14.f4 Nf8 15.Rc1 Be6 16.Nec2 N8d7 17.Nb4=) 13...Qf6 14.d4 Ne6 15.h4 (15.Qe2 Qe7 16.Nac2 f5 17.Rb1=) 15...g5 (15...Qe7 16.Nec2 f5 17.f3=) 16.Qh5 (16.Qc2 gh4 17.Qe4 hg3 18.fg3 Qd8=+) 16...gh4 (16...Qg6 17.Qg6 hg6 18.hg5 (worse 18.Be4 Nd4 19.ed4 Bd4–/+) 18...Ng5 19.b6=+) 17.Qh4 (17.Be4!? Ng5 18.Bd5=) 17...Qh4=+ 18.gh4 Nf8 19.Nac2 Ng6 20.Nb4 Bg4 (20...Ra5 21.Nd5 c6 22.bc6 bc6 23.Nc3–/+) 21.Nd5= Rac8 22.f3 ef3 23.Nf3 c6 24.Nh2 (24.Nb6!? Rc7 25.bc6 Bf3 26.Rf3 Nh4 27.Rh3 Ng2 28.Kg2 bc6 29.Rg1–/+ (29.Na4? c5–+)) 24...Be2–/+ (worse 24...cd5 25.Ng4 dc4 26.Bb7+=) 25.Nf6 Bf6 26.Rf6 Nh4 27.Bf1 (27.bc6 bc6 (worse 27...Ng2 28.cb7 Rb8 29.Kg2=) 28.c5 Ng2 29.cd6 Re3 (29...Ne3?! 30.d7 Red8 31.dc8R Rc8 32.Re1=) 30.Kg2 Bc4–/+) 27...Bf1 (27...Re3 28.bc6 Rc6 29.Kf2 Bf1 30.Ke3 Bc4 31.Rg1 Kf8 32.Rf2–+) 28.Raf1–/+ cb5 29.Ng4 Re6 (better 29...bc4!? 30.Rd6 Kg7–+) 30.cb5=+ Rc2 31.R6f2 (31.d5 Re4 32.Nh6 Kg7 33.Rd6 f5 34.Nf5 Nf5 35.Rf5 Ra2 36.Rd7 Kg6=) 31...Rf2 32.Kf2 h5 33.Rh1 hg4 34.Rh4 g3 (34...f5!?–/+) 35.Kf3=+ Rg6 36.Kg2 Rg5 37.d5 Rd5 38.Ra4 Rb5 39.Kg3 Kf8 40.Ra8 Ke7 41.a4 Rb3 42.Kf4 Kd7 43.a5 Kc6 44.Ke4 Rb4 45.Kd3 Ra4 46.e4 b5 (46...d5 47.e5–/+) 47.a6 Ra3 48.Kd4 Ra4 (48...Ra5 49.Rc8 Kb6 50.Rb8 Ka7 51.Rf8 Ra6 52.Rf7 Kb6 53.Rf1–/+) 49.Kd3 Kb6 50.Rd8 Ra6 (50...Ka6?! 51.Rd6 Kb7 52.Rf6=) 51.Rd6 Ka5 52.Rd7 Rf6 53.e5 Rf3 54.Kc2 (54.Kd4 b4–/+) 54...Kb4 55.Rd6 Rf2 (55...Kc4 56.Rc6 Kd5 57.Rb6–+) 56.Kb1 (56.Kd3!?–/+) 56...Kc5 57.Kc1 (57.Rd7 b4–+) 57...b4 58.Ra6 Rf5 59.e6 ½–½. Smyslov,Vassily (2510) – Xie Jun (2510), London, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

9.c4 Nbd7 10.e3 Re8 11.Na3 e4 12.Ne1 ed3 13.Nd3 Qe7 14.Bd4 Ne5 15.Nb2 d5 16.c5 Bf5 17.Na4=.

9.c4 Nbd7 10.e3 Re8 11.Na3 e4 12.Ne1 Qe7 A) 13.Rc1 h6 (13...Qe6 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 Qf6 17.Nd3=; 13...ed3 14.Nd3 Ne5 15.Ne5 de5 16.c5 Rd8 17.Qc2=; 13...Nc5 14.Bf6 Qf6 15.d4 Nd7 16.Nb1 Qe7 17.Nc3=) 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 f6 17.Nd3=; B) 13.h3 Nc5 (13...ed3) 14.d4 Ne6 15.Qd2 Ng5 16.h4 Nh3 17.Kh2=; C) 13.Qc2 h6 (13...Nb6 14.de4 Ne4 15.Bg7 Kg7 16.Nf3 Kg8 17.Nd4=; 13...g5 14.de4 Ne4 15.Bg7 Kg7 16.Nf3 Ndc5 17.Nd4=; 13...Ra7 14.de4 Nb6 15.f3 Nfd7 16.Bg7 Kg7 17.Nd3+–) 14.de4 Ne4 15.Bg7 Kg7 16.Nd3 Ndf6 17.Rad1=; D) 13.de4 Ne4 (13...h6 14.f3 Rd8 15.Nd3 Ne5 16.Ne5 de5 17.Qe2+=; 13...Ne5 14.f3 Nfd7 15.Qc2 Qe6 16.Nd3 Nd3 17.Bg7+=) 14.Bg7 Kg7 15.Qd4 Qf6 16.Nec2 Nc3 17.Qf6=.

9.c4 Nbd7 10.e3 Re8 11.Na3 e4 12.Ne1 Kh8 A) 13.Rb1 Qe7 (13...h6 14.Bd4 ed3 15.Nd3 Ne5 16.Nf4 Qe7 17.h3=; 13...ed3 14.Nd3 Qe7 15.Bc3 Ne5 16.Ne5 de5 17.Rb4=) 14.de4 Ne4 15.Bg7 Kg7 16.Nf3 Nb6 17.Qd4=; B) 13.h3 ed3 (13...Qe7 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 Qf6 17.Nec2=; 13...Kg8 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 Qf6 17.Nf3=; 13...h6 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 Qf6 17.Nec2=; 13...Nb6 14.de4 Ne4 15.Bg7 Kg7 16.Be4 Re4 17.c5=) 14.Nd3 Qe7 15.Qf3 Ne4 16.Bg7 Kg7 17.Qe4=; C) 13.Rc1 h6 (13...Qe7 14.de4 Ne4 15.Bg7 Kg7 16.Qd4 Kg8 17.Nd3=; 13...ed3 14.Nd3 Ne4 15.Bg7 Kg7 16.Be4 Re4 17.c5=; 13...Re6 14.d4 Re8 15.Nec2 Nb6 16.f3 ef3 17.Bf3=) 14.d4 Qe7 15.Nec2 Kg8 16.Qe2 Nb6 17.h3=; D) 13.d4 Qe7 (13...Nb6 14.f3 Qe7 15.Nec2 Bf5 16.Rc1 ef3 17.Qf3=+; 13...d5 14.f3 ef3 15.Qf3 Ne4 16.Qe2 Ndf6 17.Nd3=; 13...Bh6 14.Nec2 Qe7 15.Qe2 Qe6 16.Rae1 Kg8 17.Nb4=; 13...Kg8 14.f3 Qe7 15.Nec2 ef3 16.Rf3 Ne4 17.Rf4=+) 14.Nec2 Nb6 15.f3 Bf5 16.Rc1 ef3 17.Qf3=+; E) 13.Qc2 Qe7 14.Rd1 ed3 15.Nd3 h6 16.Bd4 Nc5 17.Nc5=.

9.c4 Nbd7 10.e3 Re8 11.Na3 e4 12.de4 A) 12...Ne4 13.Bg7 Kg7 14.Qd4 Qf6 15.Rfb1 Qd4 16.ed4 Nc3 17.Rb2=; B) 12...Nc5 13.Nd2 Nfe4 (13...Nce4 14.Ne4 Ne4 15.Bg7 Kg7 16.b6 c5 17.Qd3+=) 14.Bg7 Nd2 15.Qd2 Kg7 16.Qd4 Qf6 17.Rad1+=; C) 12...Qe7; D) 12...Re4 13.Bd4 h6 (13...Re8 14.Rc1 Qe7 15.Nb1 Nc5 16.Nc3 Bf5 17.Bc5=) 14.Nd2 Re8 15.h3 Nc5 16.Nab1 Ne6 17.Nf3=+.

9.a4 Rb8 10.Nbd2 b6 11.e3 Bb7 12.Re1 Re8 13.c4 Nc5 14.Nb3 Nb3 15.Qb3 Qd7 16.Rad1 Qf5 17.e4 Qc8 18.Qc2 Nd7 19.Bh3 Qd8 20.d4 ed4 21.Nd4 Re7 22.Ba3 Qe8+= 23.Kf1 Nc5 24.f3+= Ne6 ½–½. Retamozo,H (2235) – Aguilar,M, Regional ch–PER, Lima PER, 1999.

9.a4 e4 10.de4 Ne4 11.Bg7 Kg7 12.Qd4 Ndf6 (12...Qf6 13.c3 Ndc5 14.Rd1=) 13.Nbd2 (13.Nc3 Re8+=) 13...Re8 (13...Nc5 14.Rfe1+=) 14.Ne4 Re4 15.Qc3 (15.Qd3 Qe7+=) 15...Re2= 16.Rae1 (16.Nd4 Re5=) 16...Re1 17.Re1 Be6 (better 17...d5=) 18.Ng5+– Qe7 (18...Bc8 19.Bd5+–) 19.Ne6 (19.Bb7 Rf8 20.Bd5 Kg8 21.Nf7 Bf7 22.Re7 Nd5+–) 19...fe6+– 20.Bb7 Ra7 (20...Rb8 21.Bc6+–) 21.Bd5 (21.Bc6!? d5+–) 21...e5 22.Bc6 h5?? (22...Nd7 23.f4 Kg8+–) 23.f4 (23.Qe3 Rb7 24.Bb7 Nd7+–) 23...h4?? (23...Nd7+–) 24.fe5 (24.Qe3!? hg3 25.hg3 Qf7+–) 24...de5 25.Re5 (better 25.Qe3!? hg3 26.Qa7 gh2 27.Kh2 Nd5+–) 25...Qd6 26.Rd5 Qe6 27.Rd7 Kh6 28.Qd2 (better 28.Rd1+–) 28...g5 29.Rd8 (29.Rd3 Qe5 30.gh4 Qf4+–) 29...Qe5 (29...hg3 30.hg3 Qe7 31.c4+–) 30.gh4 Qc5 (30...Qf4 31.hg5 Qg5 32.Qg5 Kg5 33.c4+–) 31.Kg2 Kg6 32.Qd3 (better 32.Be8 Ne8 33.Rd5+–) 32...Kh5 (32...Kf7+–) 33.Rh8 Kg4 (33...Nh7 34.Qh7 Kg4 35.Qe4) 34.Qf3 1–0. gbsrao – wvmaniac, net–chess.com, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5 8.b5 Nbd7)

9.a4 Qe7 10.e4 Nb6 11.Nbd2 (11.Qd2 Nfd7 12.Bc3 (12.Nc3 Nc5 13.Qe3 f5 14.ef5 Rf5 15.Nd2 Qf8= -0.22; 12.Qe3 Nc5 13.Nc3 f5 14.ef5 Bf5 15.Nd4 Bg4= -0.19; 12.Re1 Nc5 13.Nc3 Be6 14.Ng5 Bh6 15.f4 Bg5= -0.22) 12...f5 13.Ba5 Kh8 14.Qc3 fe4 15.de4 Qd8+= 0.69; 11.Re1 Be6 (11...Nfd7; 11...Bg4; 11...Re8; 11...c6) 12.Nbd2 (12.Bc3 Nfd7 13.d4 ed4 14.Bd4 Ne5 15.Nc3 Bg4= -0.13) 12...Nfd7 13.d4 ed4 14.Bd4 Rad8 15.Bg7 Kg7= -0.06) 11...Be6 (11...Nfd7 12.Nb3 (12.d4; 12.c3) 12...f5 13.ef5 Rf5 14.Bc3 Rf7 15.Re1 Qf6+= 0.37; 11...Re8 12.Qe1 (12.d4) 12...h6 13.Nb3 Be6 14.Na5 Ra7 15.d4 Rea8= 0.19; 11...Bg4 12.h3 Be6 13.d4 ed4 14.Bd4 Nfd7 15.c3 Rfe8= -0.03; 11...Bd7 12.Qe1 (12.d4; 12.Qe2; 12.Re1; 12.h3) 12...Ra7 13.Bc3 Be6 14.Ng5 Bg4 15.h3 Bc8+= 0.34) 12.c3 (12.d4 Nfd7 13.d5 Bg4 14.h3 Bf3 15.Bf3 Nc5=+ -0.47; 12.Re1 Nfd7 13.d4 ed4 14.Bd4 Rad8 15.Bg7 Kg7= 0.06; 12.h3 Nfd7 13.d4 ed4 14.Bd4 Bd4 15.Nd4 Nc5= -0.13) 12...Nfd7 13.d4 Nc4 (13...f5 14.de5 de5 15.Ba3 Nc5= 0.09) 14.Nc4 (14.Bc1 ed4 15.cd4 Ndb6= 0.00) 14...Bc4 15.Re1 c6 16.Ba3 Rfd8 17.Rb1 cb5 18.ab5 a4 19.Nd2 Bd3 (19...Nb6 20.Rb4 Rdc8 21.d5=+) 20.Rb4+= Rdc8 21.Qa1 Ra5 22.Bf1 Bf1 23.Nf1 Nb6 24.Ne3 Qc7 25.Rbb1 Qd7 26.Red1 Nc4 (26...ed4 27.cd4 Qe6 28.Re1=+) 27.Nc4= Rc4 28.de5 Be5 29.Bb4 Ra8 30.f4 Bf4 31.gf4 Qg4 32.Kh1 Qf3 33.Kg1 Qg4 (33...Qe3 34.Kg2 Qe4 35.Kg1 Qe3 36.Kh1 Qf3 37.Kg1 Rf4 38.Rd4 Qe3 39.Kg2 Rf2 40.Kg1 Ra2 41.Kh1 Qf3 42.Kg1 Qg2) 34.Kh1= Qf3 ½-½. Rubinetti – Debarnot, Buenos Aires, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 a5)

9.a4 Re8 10.c4 e4 11.de4 Ne4 12.Bg7 Kg7 13.e3 Nb6 14.Qd4 (14.Qc2 Bg4=) 14...Qf6=+ 15.Qf6 Kf6 16.Nfd2 Nc5 17.Nc3 Be6 (better 17...Bf5!?=+) 18.Nde4+= Ne4 19.Ne4 (worse 19.Be4 Rab8=+ (worse 19...Nc4 20.Bb7 Rab8 21.Bc6+=; 19...Bc4?! 20.Bb7 Bf1 21.Ba8 Bb5 22.Nb5 Na8 23.Rc1-/+)) 19...Ke7 20.c5 Nc4 21.cd6 cd6 22.Nc3 Rab8 23.Nd5 (23.Rfc1 Nb6=) 23...Bd5 24.Bd5 Nb6 25.Bf3 Rec8 26.Rfc1 Rc5 27.Kg2 Nd7 28.Rd1 Rc4 29.Rd4 Rd4 30.ed4 Nb6 31.Re1 Kd7 32.Bg4 f5 33.Bf3 (33.Bd1 Rc8=) 33...d5 (33...Na4 34.Ra1 Nc3 35.Ra5=+) 34.g4= Rc8 35.gf5 gf5 36.Re5 Attacks the isolani on d5 36...Rc4 (worse 36...Na4 37.Rd5 Kc7 38.Rf5+=) 37.Bd5 Ra4 38.Bb7 Rd4 39.Rf5 a4 40.Rf7 (40.Rc5!?=) 40...Kd6=+ 41.Rh7 a3 42.Rh3?? (better 42.Rh6 Kc5 43.Rc6 Kb5 44.Rc1=+) 42...Ra4 (better 42...a2!? 43.Ra3 Ra4 44.Ra2 Ra2-+) 43.Rd3 0-1. Mwale,Joseph (2280) - Makoto,R (2365), Capablanca Festival IM, 2019. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

9.a4 Nh5 10.Nc3 Re8 11.Nd5 c6 12.bc6 (12.Nc3 d5=) 12...bc6+= 13.Ne3 e4 14.Nd4 c5 15.Nc6 Qc7 16.Bg7 Kg7 17.Be4 (17.Ne7 Re7 18.Nd5 Qd8 19.Ne7 Qe7 20.Be4 Rb8+=) 17...Bb7–/+ 18.Nd5 Qc6 19.Rb1 Rab8 20.Qd2 (20.g4 f5 21.gf5 Qa4–+) 20...Qc8 21.Qc3 Nhf6 22.Nf6 Nf6 23.Bb7 Rb7 24.Qa5? Rb1 25.Rb1 Re2 26.Qb6 Qf5 27.f4 Qd5 28.Qb7 Qd4 29.Kh1 Qf2 (29...Qf2 30.Qf7 Kf7 31.Rb7 Ke6 32.f5 Kd5 33.c4 Kd4 34.fg6 Qh2#; 29...Ng4 30.Qf7 Kf7 31.Rb7 Kf6 32.Rf7 Kf7 33.f5 Rh2#) 0–1. gbsrao (2295) – calcex (2440), net–chess.com, 2009.

9.c4 a4 10.a3 Nc5 11.Nc3 Re8 12.Rb1 Qe7 13.Qd2=.

9.c4 Nc5 10.Nc3 a4 11.a3= (11.Nd2 Bf5 12.Ba3 Nfd7 13.Nde4=) 11...Re8 12.Rb1 Bf5 13.e4=.

9.c4 Nc5 10.Nc3 e4 11.Ne4+= Nfe4 (11...Nce4 12.de4 Re8 13.e5+= 0.34) 12.Bg7 Nf2 (12...Kg7 13.de4+= 0.50) 13.Rf2 (13.Kf2 Kg7) 13...Kg7 14.Qd2 Be6 15.Ng5 h6 (15...Ra7!?+/-) 16.Ne6+- fe6 17.Rf8 Qf8 18.d4 Nd7 19.Bb7 Rb8 20.Bc6 Nb6 21.Qa5 Qf6 22.Qc3 Rf8 23.Bf3 g5 24.Rf1 e5 25.de5 Qe5 26.Qe5 de5 27.Bd5 (27.Bd5 g4 28.e4+-) 1-0. pierre – dragosdum, internet, 2008.

9.c4 Nc5 10.Nc3 Re8 11.Nd2 Be6 12.Nb3 Nb3 13.ab3 d5 14.Na4 Bc8 15.Qc2 c6 16.bc6 bc6 17.c5 Nd7 18.f4 Ra7 19.e4 d4 20.Bc1 Rb7 21.Bh3 Rb5 22.Kg2 Bf8 Can c5 get defended? 23.Ba3 ef4 24.Rf4 Ne5 25.Bc8 Qc8 26.Nb6 Qe6 Attacks the backward pawn on b3 27.Nc4 Bc5 28.Bc5 Rc5 29.Qd2 The pressure on the isolated pawn grows (29.Ra5?? Nc4 30.Qc4 Qc4 31.bc4 Ra5-+) 29...Ra8 30.Raf1 Nc4 31.bc4 Rf8 32.Rf6 Qd7 33.Qf4 Qe7 34.Qf2 Qd7 35.Qf4 Qe7 36.Qf2 ½-½. Poleschi,Ricardo D - Jimenez,Jose, FRIENDLY UECC Email, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

9.c4 Nc5 10.Nbd2 a4 11.Rb1 (11.Ng5 Bf5=) 11...Bf5 12.e4 Bg4 13.h3 Bd7 14.Qe2 Re8 15.Ne1 Nh5 (15...Qc8 16.h4+=) 16.Ndf3 (16.Nc2 Be6=) 16...f5+= 17.Nc2 Nf6 18.Nh4 fe4 19.de4 Nh5 20.Nf5 (20.Nf3 Qc8+=) 20...gf5 21.Qh5 Ne4 (worse is 21...fe4 22.Ba3 Qf6 23.Bc5 dc5 24.Be4+/–) 22.Ne3 Rf8 23.Bc1? (better is 23.Qe2!? a3 24.Ba1+=) 23...Nc3–+ 24.Nd5 (24.Bd5 Kh8 25.Rb2 f4–+) 24...Be8 (worse is 24...Nb1 25.Bg5 Qe8 26.Qh4–+) 25.Qg5 Nb1 26.Qd8 Rd8 27.Bg5 Rd7 28.Rb1 h6 (28...e4 29.Rb4 h6 30.Be3–+) 29.Bc1 (29.Be7 Rf7 30.Bh4 e4–+) 29...Bf7 (29...e4 30.Rb4–+) 30.Rb4 c6 31.Nb6 (31.bc6 bc6 32.Ne3 f4 33.gf4 ef4–+) 31...Rc7 32.Be3 e4 (32...cb5 33.Rb5 f4 34.gf4 ef4 35.Bf4 Bc4 36.Nc4 Rf4 37.Nd6 Rc1 38.Kh2 Rf2 39.Kg3–+) 33.g4 (33.Ra4 cb5 34.cb5 d5–+) 33...d5 (better is 33...cb5 34.Rb5 f4 35.Bf4 Bc4 36.Bd6 Bb5 37.Bc7 Bd4 38.Be4 Rf2–+) 34.Bc5?? (better is 34.Bf4 Re7 35.gf5–+) 34...Rd8–+ Black plans d4 35.gf5 (35.cd5 cd5 36.Na4 d4–+) 35...cb5 36.Rb5 d4 (36...Be8 37.Ra5 Bc3 38.Be7 Re7 39.Rd5–+) 37.Be4 (37.Bb4 d3 38.Bd2 Bc4 39.Nc4 Rc4 40.Rb1–+) 37...d3 38.Bf3 d2 39.Bd1 (39.Nd5 Bd5 40.cd5 d1Q 41.Bd1 Rd5 42.Ba4 Rdc5–+ (worse is 42...Rcc5 43.Rb7 Rf5 44.Bb3 Kh7 45.Rd7–+)) 39...Be8 40.Ra5 (40.Na4 Ra8 41.Kf1 Ra4 42.Ba4 Bb5 43.cb5 Rc5 44.Bb3 Kf8 45.Ke2–+) 40...Bc3 41.Ra4 0–1. Arnaudov,Petar (2105) – Ninov,Dayan (2240), Plovdiv BUL, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5 8.b5 Nbd7)

9.c4 e4 10.de4 Ne4 11.Bg7 Kg7 12.Qd4 (12.Nd4 Ndc5=) 12...Qf6=+ 13.Qf6 Kf6 (13...Ndf6 14.Nd4=+) 14.Nfd2= Nec5 (14...Nd2 15.Nd2 Re8 16.Ne4 Kg7 17.Rfd1=) 15.Nc3 Nb6 16.Nce4 Ke7 (16...Kg7 17.Nc5 dc5 18.Rac1=) 17.Nc5+= dc5 18.Ne4 (18.a4 Ra7+=) 18...Na4 (worse 18...Nc4 19.Rac1 Nd6 20.Rc5+–) 19.Rac1 (19.Rad1 f5 20.Ng5 h6=) 19...Rd8= 20.Nc3 (20.f4 Rd4=) 20...Nc3 21.Rc3 Rd2 22.Re3 Be6 23.a3 (23.Bb7 Rad8=) 23...Rb8=+ 24.Rc1 (24.Bd5 b6=+) 24...Kd6 (24...Kf6 25.Be4=+) 25.f4 c6 26.bc6 (26.Kf2 cb5 27.cb5 b6=+) 26...bc6–/+ 27.Be4 (27.Kf2 Rbb2–/+) 27...Rbb2 (27...Rd4 28.Rd3–/+) 28.Kf2 (28.Bd3 f5=+) 28...Ra2 (28...Rd4 29.Rd3–/+) 29.Rcc3=+ f5 (29...Rd4 30.Bd3=+) 30.Bb1 Ra1 31.Red3 Rd3 32.Bd3 (32.Rd3? Ke7 33.Bc2 Bc4 34.Re3 Kd6–+) 32...h6 33.h4 h5 34.e4 fe4 35.Be4 Bf5 36.Bf5 gf5 37.Ke2 Ra2 38.Kd1 ½–½. Valenta,Vit (2145) – Shashikant,Kutwal (2175), 19th IPCA World Individual Chess Champi, 2019.

9.c4 Qe7 10.Nc3 Nc5 11.Rb1 a4 12.a3 Re8 13.Qd2=.

9.c4 Qe8 10.Nc3 Nc5 11.Rb1 a4 12.a3 Bf5 13.Bc1=.

9.c4 Re8 10.Nc3 Nc5 11.Ng5 Nfd7 12.Nce4 h6 13.Nc5=.

9.c4 Re8 10.e4 Nc5 11.Nc3 h6 12.h3 c6 13.a4 Ne6 (13...Be6 14.Rb1=) 14.Re1 Nh7 15.Rb1 Nhg5 16.Ng5 hg5 (16...Ng5 17.Kh2=) 17.Ne2+= Nc5 (17...cb5 18.cb5 Nc5 19.d4 ed4 20.Bd4 Ne4 21.Bg7 Kg7 22.Qd4 Nf6 23.Nc3+=) 18.Qc2 (18.d4!? ed4 19.Nd4+=) 18...g4 19.h4 Be6 (19...cb5 20.ab5 g5 21.hg5 Qg5 22.Ra1=) 20.Rbd1 (20.d4 ed4 21.Nd4 cb5 22.cb5 Bd7+=) 20...cb5= 21.ab5 (21.cb5? Bb3 22.Qd2 Ba4-+ (22...Bd1?! 23.Qd1 Rc8 24.Nc3-/+)) 21...Rc8 (21...Qc7 22.d4 ed4 23.Nd4=) 22.Ba3 (22.d4 ed4 23.Nd4 Be5+=) 22...b6 23.Nc3 Bh6 (23...Ra8 24.Nd5=) 24.Na4 (24.Ra1 Ra8+=) 24...Qc7 25.Bc5 (25.Ra1 Na4 26.Qa4 Bd2=) 25...dc5=+ 26.Nc3 Qd6 27.Nd5 Kg7 28.Re2 Rf8 29.Rde1 f5 (better 29...Rh8!?=) 30.ef5+/- gf5? (better 30...Bd5 31.Bd5 Rf5+/-) 31.Re5+- Rce8 (31...Rfe8 32.R5e2 Kf8 33.d4+-) 32.Qe2 (32.Nb6 Qb6 33.Bc6 Re7 34.Re6 Re6 35.Re6 Qd8+-) 32...Kf7 (32...Bf7 33.Ne7 Kh7 34.Bc6+-) 33.Nc7! Qc7 34.Re6 Re6 (34...Qd8 35.h5 Bg5 36.Bd5 Re6 37.Qe5+- (37.Be6?! Kg7+-)) 35.Qe6 Kg7 36.Bd5 (36.h5 Bd2 37.Re2 Bc1 38.Qg6 Kh8+-) 36...Bd2 (36...Qd8 37.Qc6 Rf6 38.Qb7 Kg6 39.Re7+-) 37.Re2 Bc3 (37...Bc1 38.Re5+-) 38.h5 Rf6 (38...Bf6+-) 39.Qg8 (better 39.Qe8 Kh6 40.Re7 Qe7 41.Qe7 f4+-) 39...Kh6 40.Re8 (better 40.Qh8 Qh7 41.Qd8+-) 40...Bd4 41.Kg2 Qh7 42.Qh7 Kh7 43.Re7 (43.Bc6 Kh6+=) 43...Kh6= 44.f4 gf3 45.Kf3 (45.Bf3 Rd6+=) 45...Bb2 (45...Kh5 46.Kf4=) 46.Kf4 (46.g4 a4+=) 46...a4 (46...Kh5 47.Re2 Bc1 48.Kf3=+) 47.Ra7 (47.Be6 Bc1 48.Ke5 Bb2 49.d4=) 47...a3= 48.g4 fg4 (48...Bc1 49.Ke5 Kg5 50.gf5 Bb2 51.d4 Rf5 52.Ke4 Rf4 53.Kd3 cd4 54.c5=) 49.Kg4 Rd6?? (better 49...Bc1 50.Bf3 Rf4 51.Kg3 Rf6=) 50.Be4+- Bg7 51.Ra3 Rf6 52.Ra7 Rd6 53.Rb7 Rf6 (53...Re6 54.Bc6 Re5 55.Rb6 Rg5 56.Kf4 Be5 57.Kf3+-) 54.Rc7 (better 54.Bc6 Bf8 55.Rb6 Bd6+-) 54...Rd6 55.Rc6 Be5 56.Rd6 (56.Kf5!? Bg3 57.Rc8 Be1+-) 56...Bd6 57.Kf5 (57.Bg6 Kg7+-) 57...Bg3 (better 57...Kh5!? 58.Ke6 Bf4+/-) 58.Bf3+- Be1 59.Ke6 Ba5 60.d4! cd4 61.Kd6 (61.Kd5 d3+/-) 61...d3 (61...Bb4!? 62.Kc6 Bc5+=) 62.Kc6+- d2? (62...Kg5 63.Kb7 Kf4 64.Bd1+-) 63.c5 (better 63.Kb7+-) 63...bc5+/- 64.Kc5 Bd8 65.Bd1 1-0. Krysa,L (2530) - Efimenko,Z (2600), Titled Tue, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5)

9.Nbd2 Nc5 10.a4 Re8 11.e4 h6 12.Qe2 Be6 13.c3 Qd7 14.Rfd1 (14.d4 ed4 15.cd4 Nb3 16.Nb3 Bb3+=) 14...Bh3 (14...Na4!? 15.Ra4 Qb5–/+) 15.Bh1 Nh5 16.d4 ed4 17.cd4 Ne6 18.Rac1 Nef4 19.Qc4?? (better is 19.Qe3=) 19…d5–+ (19...d5 20.ed5 Ne2 21.Qe2 Re2–+) 0–1. Zoller,Patrik – Wanner,Stefan, Zuerich op–B, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 a5 8.b5 Nbd7)

9.Nfd2 Re8 10.Re1 Nc5 (10...d5 11.Nc3 (11.Ba3 Nb6 12.Nc3 Bg4 13.h3 Bd7 14.Rb1 Be6 15.Ra1) 11...Nb6 12.e3 Qd6 13.Nf3 Bd7 14.Qc1 Ng4 15.h3; 10...Nb6 11.c4 (11.Nc3 d5 12.a4 Bg4 13.Nb3 Bf8 14.h3 Be6 15.e3) 11...d5 12.Nc3 a4 13.cd5 Nfd5 14.Nd5 Nd5 15.Nc4) 11.e3 (11.Nc3 d5= 12.Ba3 b6 13.Nb3 Ne6 14.Nd2 Bb7 15.e3; 11.Ba3 e4 12.Nc3 e3 13.fe3 Ng4 14.Nd5 c6 15.Bc5) 11...Bg4 (11...Na4 12.Qc1=+ Nb2 13.Qb2 d5 14.Nc3 Qd6 15.a4; 11...d5 12.Nc3 Bg4 13.Bf3 Bf3 14.Nf3 Qd6 15.Ba3) 12.Qc1=+ (12.f3 Be6 13.Nc3 a4 14.Ba3 c6 15.bc6) 12...Qd7 (12...d5 13.Nc3 Qd6 14.Ba3 c6 15.Nb3) 13.a4 (13.Nc3 d5=+ 14.Nb3 Bf8 15.Ba3) 13...Bh3 (13...d5 14.Nc3=+ Rad8 15.Ba3) 14.Bh1 (14.Nc3 d5=+ 15.Ba3) 14...d5-/+ 15.Nf3 (15.Nc3-/+ -0.91) 15...e4 16.de4 de4 17.Nd4 Qd5 (17...Ng4 18.Nc3-/+) 18.Nc3 Qh5 (18...Qc4 19.Qb1-/+) 19.Nce2 g5 (19...Nd5 20.Nf4 Nf4 21.ef4=) 20.f3 (20.Nb3!? b6 21.Ned4=+) 20...ef3-/+ 21.Nf3 (21.Bf3 Bg4 22.Bg2 Bd7-/+) 21...Bg4 22.Rf1 Bh3 (22...Rad8 23.Bg2-+) 23.Rd1 (23.Re1 Qg6-+) 23...Bg4 24.Rf1 Rad8 25.Bd4 (25.Bg2 Rd6-+) 25...Ne6 (25...Nce4 26.Qb2-/+) 26.Bb2-/+ Ne4 (26...Bh3 27.Rd1-/+) 27.Bg7 Ng7 28.Ned4 Rd6 29.Qe1 Rh6 (29...Bh3 30.Bg2 Bg2 31.Kg2-+) 30.Bg2 (better 30.h4!?=+) 30...c5-+ 31.bc6 bc6 32.h4 (32.Qa5?? c5 33.h4 cd4 34.ed4 Nf5-+) 32...c5 33.Ng5? (better 33.Ne2 Rf6 34.Nd2 Rf1 35.Bf1 Nd2 36.Qd2 gh4 37.gh4-+) 33...Ng5 34.hg5 (34.Qa5 Nh3 35.Kh2 cd4 36.Qh5 Nh5 37.Bh3 Bh3 38.Kh3 Re3 39.Kg2 Rg3 40.Kh2-+) 34...Qh2 35.Kf2 cd4 36.e4 (36.Rh1 de3 37.Qe3 Re3 38.Rh2 Rh2 39.Ke3 Rg2 40.Ke4-+) 36...Bh3 37.Rg1 Rhe6 0-1. Parikh,V (2390) - Girinath,P (2340), 44th National A ch-IND, Atul IND, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 a5)

10.Nbd2 e4 11.de4 Re8 12.e5 Ng4 13.Nb3 Nb3 14.cb3 Ne5 15.Ne5 Be5 16.Be5 Re5 17.Rc1 Rb8 18.f4 Re3 19.Qd2 Rb3 20.Qa5 Bg4 21.Qc7 Ra3 22.Bd5 Be6 23.Rfd1 Bd5+/– 24.Rd5 Qc7 25.Rc7 Ra2 26.Re7 Kf8+/– 27.Re4 Re8 28.Re8 Ke8 29.Kf2 Ra4 30.Rd6 Rc4 31.Rb6 Rc7 32.Kf3 Re7 33.e4 Rc7 34.Kg4 Kf8 35.Rd6 Ke7 36.Rb6 Kf8 37.e5 Re7 38.Rd6 Kg7 39.b6 h6 40.Kf3 Kf8 41.Rd8 Kg7 42.Rb8 h5 43.Ke4 f6?! 44.Rc8 Kf7 45.Rc7 1–0. Kosten,A (2515) – Schiestl,J (2135), TCh–AUT 1st Bundesliga, 2007.

10.Nbd2 Bg4 11.Nb3 Nfd7 12.Nfd2 Be6 13.Nc5 Nc5 14.Nb3 Nb3 ½–½. Vainshtein,V – Greenfeld,Alon, Ch Israel, 1992. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 a5 8.b5 Nbd7)

10.Nbd2 Bg4 11.c4 Qe7 12.h3 Be6 13.Ba3 Ncd7 14.Rc1 h6 15.Rc2 Nb6 16.c5 dc5?? (better 16...Na4 17.cd6 cd6 18.Ne5 Nd5=+) 17.Bc5+- (17.Bc5 Qe8 18.Rc1+-; 17.Rc5?! Nfd5+=) 1-0. gbsrao (2375) - lovecraft (2230), net-chess.com, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 a5)

10.Nbd2 h6 11.Nc4 Be6 12.Ba3 (12.Nfd2 Re8=) 12...b6 (12...Na4 13.Nfe5 Nd5 14.Qd2–/+) 13.Nfe5 de5 14.Ba8 Qa8 15.Ne5 Bh3 16.Nc6 1–0. gbsrao (2260) – lovecraft (2110), net–chess.com, 2011.

10.d4 ed4 11.Bd4 Re8 12.c4 Qe7 13.Re1 Be6 14.Nbd2 Rad8 15.Qc2 Bc8 16.Qb2 b6 17.Nb3 Ne6 18.Bc3 Bb7 19.Rad1 Ne4 20.Bg7 Ng7 21.e3 Ne6 22.Nfd2 Nd2 23.Bb7?? Nb3–+ 24.Bc6 Nbc5 25.Be8 Re8 26.f4 Na4 27.Qc2 Nac5 28.e4 Qf6 29.e5 de5 30.Re5 Rd8 31.Rdd5 Rd5 32.cd5 Nd4 33.Qd1 Nb5 34.h4 h5 35.Kg2 Nd6 36.Qd4 Nd7 37.Qa1 Ne5 38.fe5 Qe7 (38...Qe7 39.ed6 Qe2 40.Kh3 cd6–+) 0–1. Arnaudov,Petar (2190) – Daskalov,Dimitar (2035), 10th Kesarovski–Stanchev Mem, 2011.

8.c4 c6 9.Nbd2 Be6 10.Qc2 Nbd7 11.Ng5 Ng4 12.Ne6 fe6 13.Bh3 Qg5 14.Ne4 Qh5 15.Bg4 Qg4 16.Nd6 h5 17.Ne4 h4 18.f3 Qh3 19.Rf2 Nf6 20.Ng5 Qf5 21.gh4 Bh6 22.Rg2 Nh5 23.e3 Bg5 24.Rg5 Qf3 25.Rg6 Kh7 26.Qg2 Qe3 27.Kh1 Rg8 28.Rg8 Rg8 29.Qe4 Qe4 30.de4 Nf4 31.Be5 Nd3 32.Bd6 Nf2# 0–1. sacaniev – pistosyf, kurnik, 2012.

8.c4 Nc6 9.a3 h6 10.Nbd2 Be6 11.Rc1 Qd7 12.c5 Bh3 13.cd6 Bg2 (13...Qd6?? 14.Bh3 Qe7 15.Bg2+-) 14.Kg2 cd6 15.Nc4 Qe6 16.Rc2 Nh5 17.e4 Rad8 18.Ne3 Nf6 19.Qa1 Rfe8 20.Nc4 Nh5 21.Ne3 f5 22.ef5 gf5 23.Nh4 f4 24.Qd1 fe3 25.Qh5 Qd5 26.Kg1 Qd3 27.Re2 Rf8 (27...ef2 28.Ref2 Ne7 29.Bc1=) 28.Re3= Qc2 29.Re2 Qd3 30.Re3 Qc2 31.Re2 Qc4 32.Rc1 Qd3 33.Re3 Qd2 34.Re2 Qg5 35.Qg5 hg5 36.Ng2 d5 37.Rd1 Rf3 38.Ne3 Nd4 (38...d4!? 39.Kg2 Rff8=+) 39.Bd4 ed4 40.Ng4 (40.Kg2 Rdf8 41.Nd5 Ra3=) 40…Rd7 ½-½. Gachon,Lionel (2280) - Touzane,Olivier (2325), FRA-chT2 South, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.c4 Nc6 9.b5 ab5 10.cb5 Na5 11.a4 Re8 12.Nbd2 Ra7 13.Rc1 b6 (13...c5 14.e3=) 14.e4 Bh6 (14...Nd7 15.Qc2=) 15.Rc2 Be6 16.d4 ed4 17.Nd4 (worse 17.Bd4 Nb3=+) 17...Bd7 18.Re1 Bg7 19.h3 (19.f4 Bg4 20.Qc1 h6+/-) 19...Nb7= 20.Nc6 (20.N4b3 Nh5= (worse 20...Ra4 21.e5 de5 22.Bb7+/-)) 20...Bc6 21.Rc6 Nc5 The pressure on e4 grows 22.Qc2 (22.Nb3 Na4 (worse 22...Nce4 23.a5+=) 23.Ba1 Nd7=+) 22...Nfd7 23.Bg7 Kg7 24.Nc4 Ra4 25.Qc3 Kg8 26.e5 (26.Rd1 Re6-/+ (26...Ne4 27.Be4 Re4 28.Nd6=+)) 26...Rc4! 27.Qc4 Ne5 28.Qe2 Rf8 (28...Re6 29.Qf1-/+) 29.Kh2 Nc6 30.Bc6 Qf6 31.Kg2 Ne6 32.Qe3 Rd8 33.Rd1 Kg7 34.h4 (34.Rd5 Rf8-/+) 34...h5 (34...Qe5 35.Qd3-/+) 35.Bd5 Re8 36.Rc1 Re7 37.Qc3 (better 37.Qd3!?-+) 37...Qc3 38.Rc3 Nc5 (38...Nd4!? 39.Bc4-+) 39.Bc6 f5 40.Ra3 Kf6 41.Kf3 g5 42.hg5 Kg5 43.Ra8 Nd3 (43...Nb3 44.Rg8 Kf6 45.Rf8 Kg7 46.Rc8-+) 44.Rg8-/+ Kf6 45.Kg2 (45.Rf8 Kg6-/+) 45...Ne5 46.Bb7 Rg7 (46...Ng6 47.Bf3 h4 48.Bh5-+) 47.Rf8 Rf7 (47...Kg6 48.Rh8-+) 48.Rh8-/+ Kg6 49.Bd5 Re7 50.Rg8 Kh6 (50...Rg7 51.Rg7 Kg7 52.Bb7-+) 51.Rh8 (51.Rf8!?=+) 51...Rh7-/+ 52.Rf8 Kg6 53.Rg8 Kf6 (53...Rg7!? 54.Rh8 Ng4-+) 54.Rf8 Ke7 (54...Nf7 55.Re8 Nh8 56.Re6 Kg7 57.Bc4-/+) 55.Rc8 (55.Rf5!? Ng4 56.Rf3=+) 55...Kd7-/+ 56.Rf8 (56.Rg8 h4 57.gh4 Rh4 58.Rg7 Kd8 59.Rg8 Ke7 60.Rg7 Kf6 61.Rc7 Rg4 62.Kf1 Rd4-/+) 56...h4 57.gh4 (57.Rf5 h3 58.Kh2 Ng4 59.Kh1 Ke7-/+) 57...Rh4-+ 58.Rf5 Rd4 (better 58...Rb4!?-+) 59.Bb7-/+ Rb4 60.f4 Nd3 61.Bc6 (61.Kf3 Ke6 62.Bc8 Ke7-/+) 61...Ke7 (61...Ke6 62.Rf8 Nf4 63.Kf3-+) 62.Rg5? (better 62.Kf3=+) 62...Nf4-+ 63.Kf1?? (63.Kh2 Kf6 64.Rg8 Rb2 65.Kg3 Ne2 66.Kg4 Nd4 67.Rf8 Ke6 68.Re8 Kf7-+) 63...Ne6 (better 63...Rb1 64.Kf2 Nh3 65.Ke3 Ng5-+) 64.Rh5 Rb1 65.Kf2 Nd4 66.Rh7 Ke6 67.Rc7 Nb5 (67...Rb5?! 68.Bb5 Nb5 69.Rc6=) 68.Ke3?? (68.Rh7-+) 68…Nc7 0-1. Krysa,L (2530) - Demchenko,A (2640), Titled Tuesday, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.c4 h6 9.Nfd2 Nc6 10.a3 Rb8 11.Nc3 Nh5 12.Nd5 Ne7 13.e4 c6 14.Ne7 Qe7 15.Re1 Be6 16.Nf1 f6 (16...b5 17.Ne3=) 17.Rc1 (17.Bf3 Qf7 18.Nd2 f5 19.ef5 Bf5=) 17...Qf7= 18.Rc2 Rbd8 19.Qe2 f5 20.f3 Rfe8 21.Nd2 d5 22.cd5 cd5 23.Rec1 fe4 24.fe4 d4 25.Nf1 Rc8+= 26.Rc8 Rc8 27.Rc8 Bc8 28.Qc2 Be6 29.Bc1 Nf6 30.h3 Ne8 31.Nd2 Qc7 32.Qc7 Nc7 33.Kf2 Kf7 34.Nf3 ½–½. Emma,Jaime (2405) – Mosconi,Ariel, Clarin op La Carlota, 1995.

8.Qd2 Nc6 9.Na3 Ne8 (9...Nd5 10.c3 Be6 11.Ng5 Qf6 12.Ne6 fe6= 0.00; 9...Re8 10.c4 e4 11.Ng5 ed3 12.ed3 a5= -0.03; 9...Bf5 10.c4 Qd7 11.Nc2 Bh3 12.e4 Bg2= -0.06; 9...Bg4 10.c4 Qd7 11.Nc2 Bh3 12.e4 Bg2= -0.09; 9...Qe7 10.c4 Re8 11.Nc2 e4 12.Nfd4 Ne5= -0.13) 10.Nc4 (10.c4 Qf6 11.Ne1 g5 12.f4 gf4= 0.19) 10...f5 (10...Be6 11.Ng5 Bc4 12.dc4 h6= 0.00) 11.a4 Be6 (11...e4 12.Ng5 h6= 0.03) 12.b5 (12.Ng5 Qc8+= 0.31) 12...ab5 13.ab5 Ra1 14.Ra1 Ne7 15.Ng5 Bc8 16.Ra8 Qd7 17.b6 c6 18.e4 (18.f4!? h6 19.Nh3+/-) 18...h6= 19.Nf3 fe4 20.de4 Qe6 21.Qb4 c5 22.Qb3 Nc6?? (better 22...Bd7=) 23.Rc8!+- Qc8 (23...Kh7 24.Ra8 Nf6 25.Rf8 Bf8+-) 24.Nd6 Kh7 25.Nc8 Nf6 26.Nd6 Nd4 27.Nd4 (27.Bd4 cd4 28.Ne5 Ne8 29.Ng6 Rf6+-) 27...ed4 28.Nb7 Ng4 29.Nc5 Nf2 30.Ne6 Rf7 31.Ng7 Nd1 32.Qf7 (32.Qf7 Nb2 33.Ne6 Kh8 34.Qg7) 1-0. pierre - schack08, internet, 2008.

8.Nbd2 Nc6 9.a3 Re8 10.e4 Bg4 11.Qe1 Qd7 12.h4 (12.c4 h6=) 12...Bh3 (12...h6 13.c4=+) 13.Ng5 (13.Bh3 Qh3 14.c4 Ng4=+) 13...Bg2 14.Kg2 d5 (14...h6 15.Ngf3=+) 15.Rd1 (15.f4 Nd4 16.fe5 Nc2=) 15...d4 16.Ndf3 (16.Nb3 h6 17.Nf3 b6=+) 16...h6 17.Nh3 Ng4 18.Bc1 b5 ½–½. Clews,Bill – Stefanov,Alexander, IECC, 2004.

8.Nbd2 Nc6 9.a3 Ne8 10.c4 f5 11.Rc1 Be6 12.e3 f4 13.Ne4 h6 14.Re1 g5 15.ef4 ef4 16.Qd2 Qd7 17.d4 fg3? (17...g4 18.Nh4 f3 19.d5 Bb2 20.Qb2 fg2 21.Ng6+/– (21.de6?! Qe6 22.Kg2 Ne5=)) 18.hg3 (better is 18.d5 Bb2 19.Qb2+–) 18...Nf6?? (better is 18...Bh3=) 19.d5+– Ne7 ½–½. Kalbani,Wadema – Deyzel,Tanitah, Wch U12 girls, 2012.

8.a3 c5 9.b5 Nc7 10.c4 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 b6 14.Qa4 (14.Nc3 Re8=) 14...Re8 (14...Ne6 15.Na3=) 15.Nc3 (15.Bb2 Ne6=) 15...d5 16.cd5 Nfd5 17.Nd5 Nd5 18.Qa8 (18.Nd2!?=) 18...Nc7–/+ 19.Qb8 (19.Qc6 Re6 20.Qe4 Nb5–/+) 19...Qd6 20.Rb1?? (better is 20.Nd2 Bg4 21.Qb7 Be2 22.Ne4 Qd3 23.Re1 Nb5 24.Qb6–/+) 20...Be6–+ 21.Qb7 (21.Qa7 Ra8 22.Qa8 Na8 23.Ne5 Be5 24.Ba8 Ba1 25.Ra1 Qe5–+) 21...Bd5 22.Qa7 Ra8 (22...Ra8 23.Qa8 Ba8–+) 0–1. ncc_1701 – Double Wood, ChessWorld.net, 2005.

8.a3 c5 9.b5 Nc7 10.c4 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Re8 14.Bc3 =.

8.a3 c5 9.b5 Nc7 10.c4 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Bg4 14.Nfd2 Qd7 15.f4 Re8 16.fe5+/– de5 17.Nb3 Qc8 18.Qc2 b6 19.Rf2 Bh3 20.Bc6 Re7 21.Nc3 Qe6 22.Bb2 Bh6 23.Bc1 g5 24.Nd2 Ng4 25.Rf3 Qd6 26.Nde4 Qg6 27.Na4 Ne6 28.e3 Nd8 29.Nb6 Nc6 30.Nd5 Ra7 31.Nef6 Nf6 32.Rf6 Qh5 33.Rc6 Bg7 34.Nf6?? Bf6–+ 35.Rf6 Ra2!! 36.Bb2 Rb2! 37.Rg6 hg6 38.d4 Rc2 39.g4 Qg4 40.Kh1 Qg2 0–1. Fritz 6 – Crafty 19.01, 2004.

8.a3 c5 9.b5 Nc7 10.c4 Bg4 11.Nfd2 Rb8 12.Nc3 d5 13.cd5 Ncd5 14.Na4 Qc7 15.Rc1 b6 16.Nc4 Rfe8 17.h3 Bd7 18.e4 Bh6 19.f4+– ef4 20.ed5 fg3? 21.Bf6 Bc1 22.Qc1 Bb5 23.Qh6 Ba4 24.Qg7 1–0. Fritz 6 – EXchess 3.11, 2004.

8.a3 c6 9.c4 Nc7 10.Nbd2 a5 11.c5+= dc5 12.ba5 Nd7 13.Qc2 Ne6=+ 14.Nc4 Nd4 15.Nd4 ed4 16.a4 Re8=+ 17.Ba3 Bf8 18.e4 de3 19.fe3 Bg7 20.Rad1 Ne5 21.d4 Nc4 22.Qc4= Be6 23.d5 cd5 24.Bd5 Qa5 25.Be6 Re6 26.Rf7= Kf7 27.Rd7 Kg8 28.Qe6 Kh8 29.Qe7 Qe1 30.Kg2 Qe2 31.Kh3?? Qf1–+ (31...Qf1 32.Kh4 Ra4 33.Rd4 Bf6 34.Qf6 Qf6 35.Kh3 Rd4 36.e4 Qf1 37.Kh4 Re4 38.g4 Qf2 39.Kg5 Qf4 40.Kh4 Qg4#) 0–1. Halmeenmaki,T (2165) – Nyysti,S (2245), TCh–FIN, 2001.

8.Nbd2 Nb4 9.a3 (9.a3 Nc6 10.c4–/+). gbsrao (2205) – rgpflickr (2140), net–chess.com, 2006.

8.Nc3 Na6 9.a3 Nc7 10.e4 Ne6 11.Qe2 Ne8 12.Rad1 b6 13.a4 f5 14.b5 c5?? (14...Bd7 15.ef5 Rf5 16.Rde1=) 15.Nd5?? (better is 15.ef5 gf5 16.Ne5+–) 15...Bb7 16.ef5 gf5 17.c4 Nf6 18.Nd2 Qd7 19.Qf3 Nd5–/+ 20.cd5 Nc7 21.Nc4 Bd5 22.Qh5 Bg2 23.Kg2 Rae8 24.Rde1 Nd5 25.f4 ef4 26.Re8 Re8 27.Bg7 Ne3?? 28.Ne3+– (28.Ne3 Re3 29.Bc3+–) 1–0. gbsrao (2245) – rhand (2350), net–chess.com, 2011.

8.Nc3 Nbd7 9.e4 Nb6 10.a4 Bg4 11.a5 Nbd7 12.a6 b6 13.Ne2 Re8 14.c4 Nf8 15.b5 cb5 16.cb5 N6d7 17.Rc1 Nc5 18.Nc3 Nfe6 19.Nd5 Nc7 20.h3 Bd7 21.Nc3?? Nb5–/+ 22.Nb5 Bb5 23.d4 Bf1 24.dc5 Bg2 25.Kg2 dc5 26.Qd8 Rad8 0–1. gbsrao (2355) – yetzaline (2275), net–chess.com, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6 7.d3 e5)

8.Nc3 h6 9.Qd2 Bg4 10.a4 Nbd7 11.b5 d5 12.Rfe1 Re8 13.e4 Qc7 (13...d4 14.Ne2+=) 14.ed5 (14.bc6 bc6 (worse is 14...Qc6 15.ed5 Qc5 16.Ba3+/–) 15.ed5 cd5=) 14...cd5+= 15.Ba3 (15.h3!? Be6 16.Nd1+=) 15...Rac8–/+ 16.h3?? (better is 16.Bb4–/+) 16...Bf3–+ (16...Qc3?! 17.Qc3 Rc3 18.hg4 Rc2 19.Rec1–+) 17.Bf3 Qc3 18.Qc3 Rc3 0–1. gbsrao (2275) – aslivo (2470), net–chess.com, 2010.

8.c4 a6 9.a4 Nbd7 A) 10.Nbd2 Qe7 (10...Re8 11.a5 Qe7 12.Rc1 Rb8 13.Qa4 c5; 10...a5 11.b5 Re8 12.Rc1 Qb6 13.Bc3 d5) 11.a5 d5 12.Qb3 Rd8 13.Rab1 dc4; B) 10.Bc3 Qe7 (10...Qe8 11.a5 d5 12.Nbd2 Qe6 13.e3 Rb8; 10...Qc7 11.a5 d5 12.Qc2 Re8 13.Rc1 Qd6; 10...Rb8 11.Nbd2 Re8 12.a5 d5 13.e3 h6; 10...Re8 11.a5 d5 12.Qc2 Qe7 13.e3 Rd8) 11.a5 d5 12.Qc2 c5 13.bc5 dc4; C) 10.Qc2 a5 (10...Re8 11.a5 Qe7 12.Nbd2 d5 13.Ra4 e4; 10...Qe7 11.a5 d5 12.Nbd2 e4 13.de4 de4; 10...b6 11.Nbd2 Bb7 12.a5 ba5 13.Ra5 c5) 11.b5 Re8 12.Nc3 d5 13.cd5 cd5; D) 10.a5 Rb8 (10...Qe7 11.Qb3 Re8 12.Nc3 Qe6 13.e3 h6) 11.Nbd2 Re8 12.Ne4 Ne4 13.de4 b5.

8.c4 a6 9.Nc3 A) 9...Be6 10.Ng5 Nbd7 (10...Bf5 11.Qb3 h6 12.Nge4 Ne4 13.Ne4 Be6) 11.Qd2 Bf5 12.a4 a5 13.b5 Nc5; B) 9...Re8 B1) 10.Qd2 d5 (10...Qe7 11.a3 d5 12.Rac1 d4 13.Nd1 a5; 10...Qc7 11.a4 d5 12.a5 Qd6 13.c5 Qe7) 11.c5 a5 12.a3 Nbd7 13.Rfb1 b5; B2) 10.a3 d5 (10...Bf5 11.h3 h6 12.g4 Bd7 13.Qd2 d5; 10...Qe7 11.e4 Nbd7 12.Nd2 a5 13.f4 ef4; 10...h6 11.c5 dc5 12.bc5 Bf5 13.Rb1 Nbd7) 11.e3 b6 12.cd5 cd5 13.Rc1 Qd6; B3) 10.Qc2 d5 (10...Qe7 11.e4 Nbd7 12.Nd2 d5 13.ed5 cd5; 10...Nbd7 11.a4 Qe7 12.a5 h6 13.Ne4 Rb8; 10...Bf5 11.e4 Be6 12.a3 a5 13.b5 h6; 10...Qd7 11.Rfd1 Qe7 12.Ne4 Nbd7 13.a4 a5) 11.e3 b6 12.Na4 Nfd7 13.Rfc1 Qe7; B4) 10.a4 d5 (10...Qb6 11.b5 ab5 12.ab5 Ra1 13.Qa1 Nbd7) 11.a5 Bf5 12.Rc1 Qd6 13.c5 Qe7; C) 9...Nbd7 C1) 10.Qd2 d5 (10...Qe7 11.Qg5 Re8 12.a3 h6 13.Qd2 Qe6; 10...Qc7 11.a4 d5 12.cd5 cd5 13.Rfc1 Qd6) 11.cd5 cd5 12.Rfc1 Qe7 13.Nd1 e4; C2) 10.a3 Qe7 (10...Re8 11.Qd2 Qe7 12.Rac1 a5 13.b5 Nc5; 10...b6 11.e3 Qe7 12.Nd2 Bb7 13.e4 Qe6) 11.Nd2 Qe6 12.e4 b5 13.a4 bc4; C3) 10.a4 Qe7 (10...d5 11.cd5 cd5 12.Rc1 Bh6 13.Rc2 Qe7) 11.a5 d5 12.Qb3 dc4 13.Qc4 Re8; D) 9...Bf5 D1) 10.d4 Qe7 (10...Nbd7 11.c5 dc5 12.bc5 Qc7 13.de5 Ne5) 11.Qd2 Nbd7 12.Rfd1 Rfd8 13.Qg5 h6; D2) 10.Qb3 Nbd7 11.h3 Qb6 12.Rab1 a5 13.b5 Nc5; D3) 10.a4 Qb6 (10...Qe7 11.e4 Bg4 12.h3 Be6 13.Ng5 a5; 10...Nbd7 11.e4 Be6 12.a5 b6 13.Ng5 Rb8; 10...Re8 11.Qc2 Nbd7 12.a5 d5 13.e4 Bg4; 10...a5 11.b5 Re8 12.e4 Be6 13.Rb1 Nbd7) 11.b5 Qc7 12.Qd2 Nbd7 13.Rfb1 Nc5; E) 9...Qe7 E1) 10.Rc1 d5 11.Qb3 d4 12.Na4 Bh6 13.Rce1 Nfd7; E2) 10.Qb3 Bg4 (10...Nbd7 11.a4 a5 12.b5 Nc5 13.Qc2 Bf5; 10...Rd8 11.a4 d5 12.Rac1 e4 13.de4 de4) 11.h3 Be6 12.Ng5 Bf5 13.e4 Bd7; E3) 10.Qa4 Nbd7 (10...Bf5 11.e4 Be6 12.Ng5 b5 13.Qb3 Bg4; 10...Be6 11.Ng5 Bd7 12.Qa5 d5 13.Na4 Bg4) 11.a3 Re8 12.e3 d5 13.Nd2 Qe6; E4) 10.a3 d5 (10...Bf5 11.e4 Be6 12.Ng5 b5 13.Ne6 fe6) 11.Qd2 Re8 12.Rac1 d4 13.Nd1 a5; E5) 10.Qd2 d5 (10...Re8 11.e4 Nbd7 12.a3 Rb8 13.Rfd1 c5; 10...Nbd7 11.Qg5 Re8 12.a3 h6 13.Qd2 d5) 11.a3 Re8 12.Rac1 d4 13.Nd1 a5; F) 9...Qb6+= 10.a3 Bg4 (10...Qc7 11.Qb3 Be6 12.Ng5 Nbd7 13.Ne6 fe6; 10...Rd8 11.Qd2 h6 12.Rfd1 Be6 13.c5 Qc7; 10...Bf5 11.c5 dc5 12.Na4 Qb5 13.Nc5 Nfd7; 10...Nbd7 11.Qd2 d5 12.Na4 Qc7 13.cd5 Nd5) 11.h3 Be6 12.c5 Qc7 13.Ng5 Qe7.

8.c4 a6 9.Nbd2 Nbd7 10.Qc2 (10.a4 Re8 (10...Qe7 11.a5 d5 12.Qb3 Rd8 13.Rfd1 Rb8) 11.a5 Qe7 12.Ne4 Ne4 13.de4 Nf6) 10...Re8 11.c5 (11.a3 Qe7+= 12.Rfc1 h6 13.c5 d5; 11.a4 a5 12.b5 Qc7 13.Rfd1 cb5) 11...d5 12.e4 (12.a3 b6+= (12...a5 13.Nb3 b6) 13.cb6 Bb7) 12...a5= (12...Qc7 13.Rfe1 a5) 13.a3 b6 (13...Rb8= 0.09/7) 14.d4 Ne4 (14...Ba6 15.Rfe1 (worse 15.de5 Bf1 16.Bf1 Ne4 17.Ne4 de4 18.Qe4 ab4=+) 15...ab4 16.ab4 (worse 16.de5 b3 17.Nb3 Ne4–/+) 16...bc5 17.Ne5 (17.dc5?! Qc7=+) 17...de4 18.Ne4 Ne4 A) worse 19.Re4 Ne5 20.de5 Bd3 21.Ra8 Bc2 22.Rd8 Rd8=+; B) 19.Be4 cd4 (19...Ne5? 20.de5 Bb5 21.Ra8 Qa8 22.Qc5+–) 20.Nc6 Qb6+–; C) 19.Nc6+–) 15.Ne4+= de4 16.Qe4 ed4 17.Qc6 Rb8 18.Bd4 (18.cb6 Bb7 19.Qb5 ab4 20.ab4 Bf3 21.Bf3 Rb6=+) 18...Bb7 19.Qd6 Bf8 (better 19...Re6!? 20.Qf4 Bf3 21.Bf3 g5=+) 20.Qf4+= Re4 21.Qc1 bc5 22.bc5 Qc7 23.Ra2 (23.Rb1 Bc5 24.Bh3 Bd5 25.Rb8 Qb8 26.Bc5 Rc4+=) 23...Ba6 (23...Nc5 24.Rc2 Rc8 25.Ba1+=) 24.Rd1+– Bc5? (better 24...Be2 25.Re2 Re2+–) 25.Rc2+– Rc8 (25...Rd4 26.Nd4 Rb6 27.Bd5+–) 26.Qh6 (better 26.Bc5!? Re2 (26...Nc5?? 27.Rd5 Qb6 28.Rdc5+–) 27.Rc3 Nc5+–) 26...Rd4 27.Nd4 Qe5? (better 27...Qb6 28.Qf4 Ba3+–) 28.Nc6 Qe6 29.Qd2 (29.Qd2 Re8 30.h3+– (30.Qd7? Qd7 31.Rd7 Re1 32.Bf1 Bf1 33.Rd8 Kg7–+)) 1–0. Haik,Aldo (2455) – Kouatly,Bachar (2430), Marseille, 1986. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.c4 c6 8.d3 a6).

8.c4 Nfd7 9.a4 f5 (9...e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Nf8 13.Nc3=+) 10.Qb3 a5 11.b5 Nc5 12.Qc2 Ne6 13.e3 Nd7 14.Nbd2 Nf6 15.Nb3 Bd7 16.Nfd2 Qc7 17.Rac1 Rfc8 18.Qb1 Rab8 19.Qa1 Qd8 20.Qa3 c5 21.Qa1 b6 22.Nb1 Qf8 23.f4 Ng4 (23...ef4 24.ef4 Re8 25.Rce1=) 24.Rce1+= ef4 25.gf4 Re8 26.Nc3 Qf6 (26...Nc7 27.Nd5 Nd5 28.Bd5 Be6 29.Bc6+=) 27.h3+– Nh6 28.Nd1 (28.Rb1 Qh4+–) 28...Qh4+= 29.Bg7 Ng7 30.Nd2 Nh5 31.Nf3 Qf6 32.Qf6 Nf6 33.Ng5 Nf7 34.Nc3 h6 35.Nf7 Kf7 36.Nd5 (36.Kh2 Re7=) 36...Nd5= 37.Bd5 Kg7 38.h4 Re7 39.Kf2 Rbe8 40.Rg1 h5 (40...Kf6!?+=) 41.Rg3 ½–½. Vandezande,Albert – De Bruycker,Bernard, Belgian championship, 1970. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6)

8.c4 Nfd7 9.Qb3 f5 (9...a5!?=) 10.c5+= d5 (10...Kh8 11.cd6 Qf6 12.d4 Qd6 13.de5 Ne5 14.Ne5 Be5 15.Nd2+=) 11.e4+/– Kh8. bschardein (2395) – iivanov (2570), net–chess.com, 2005.

8.c4 Nfd7 9.Nc3 f5=.

8.c4 Qe7 9.a3 Be6 10.Nbd2 Nbd7 11.Rc1 h5 12.d4 ed4 13.Nd4 d5 14.Ne6 Qe6 15.cd5 Nd5 16.Bg7 Kg7 17.Nc4 N7f6 18.e3 Rad8 19.Qc2 Nb6 20.Nb6 ab6 21.Rfd1 Nd5 22.Qc4 b5 23.Qc5 Nf6 24.h4 Ng4 25.Qb6 Rd1 26.Rd1 Qf6 27.f4 Qb2 28.Rf1? Qa3–+ 29.Bf3 Ne3 30.Re1 Nf5 31.Qb7?? Qf3 32.Rf1 Qg3 33.Kh1 Qh4 (33...Qh4 34.Kg1 Qg3 35.Kh1 Ne3 36.Rf2 Qf2 37.Qc6 Qf1 38.Kh2 Ng4 39.Kg3 Qf2 40.Kh3 Qh2#) 0–1. kaasparov – taw3 (1665), kurnik, 2012.

8.c4 Qe7 9.Qb3 Nbd7 (9...Re8 10.Nc3=) 10.Nc3 Kh8 (10...Re8 11.a4=) 11.Nd2 Ne8 (11...Qe6 12.e4=) 12.b5 (12.a4=) 12...f5 (better is 12...Nc5!? 13.Qa3 Bd7=) 13.bc6+/– bc6 14.Bc6 Rb8 15.Qc2 (15.Qa3 Nef6+/–) 15...Ndf6 (15...Nef6 16.Rab1+/–) 16.Rfb1 Be6 17.Ba3 Nc7 18.Rb8 Rb8 19.Rb1 Rb1 20.Qb1 Qd8 21.Qb7 a6 22.Bb4 g5?? 23.Ba5 Bc8 24.Qb8 (24.Bc7?! Bb7 25.Bd8 Bc6+–) 1–0. pereira (1910) – darwinSIACC, internet, 2007.

8.c4 Qe7 9.Nbd2 Na6 10.a3 Nh5 11.Qb3 Nc7 12.a4 Rd8 13.b5 Ne6 14.Qa3 c5 15.e3 a6 16.Qb3 f5 17.Rfe1 Rf8 18.a5 Nd8 19.h3 Bd7 20.Nh2 Be6 21.Qc2 Nf6 22.f4 ab5 23.cb5 Nd5 24.Nc4 Nb4 25.Qd2 Bc4 26.dc4 e4 27.Bg7 Qg7 28.g4 Ne6 29.Kh1 Kh8 30.Rg1 Qf6 31.g5 Qf7 32.Rgd1 Rfd8 33.Qe2 Qg7 34.Nf1 h6 35.gh6 Qh6 36.Ng3 Qh4 37.Kh2. Smith,Douglas Royston (1815) – Hassim,Unes (2155), SH–2007–0-00152, 2007.

8.c4 Qe7 9.Nbd2 Re8 10.c5 Nbd7 (10...dc5 11.bc5 Nfd7 12.Ne4=) 11.cd6 Qd6 12.Qb3 Nb6 13.a4 White prepares b5 13...Be6 14.Qc2 Nfd5 15.Ne4 Qb8 (15...Qb4 16.Rfb1=) 16.b5 cb5 17.ab5 Rc8 18.Qd2 h6 19.Ba3 Rd8 20.Rfc1 f5 21.Nc5 Bf7 22.e4 Nf6 (better 22...Nc7!? 23.Qb2 Ne6+=) 23.ef5+/- gf5 24.Nh4 e4? (better 24...Ne4 25.Ne4 fe4+/-) 25.Nf5+- Bf8 (25...Qe5 26.Ng7 Nc4 27.Qh6 (27.Rc4?! Qa1 28.Qc1 Qc1 29.Rc1 Kg7+/-) 27...Na3 28.Ra3+-) 26.Bb2 Nbd5 (26...Ng4 27.Qc3 Qe5 28.Qe5 Ne5 29.Be5 ed3 30.Nb7 Re8+-) 27.Nh6 Bh6 28.Qh6 Nh7 (28...Rd6 29.Ne4 Re6+-) 29.Qg7 1-0. Mely - goF1 (2205), ChessWorld.net, 2010.

8.c4 Ne8 9.Nbd2 e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Kf8 13.Qb3 Nf6 14.a4 Qd7 15.f3 d5 16.d4 Qe7 17.Rfe1 dc4 18.Qc4 Qe3 19.Nf1 Qe6 20.Qc3 Nd5 21.Qd2 Qd6 22.Rab1 Be6 23.e4 Nb6 24.a5 Nc8 25.Qc3 Kg8 26.d5 cd5 ½–½. Manthey,Gregor – Eckert,Frank, Niederrhein–ch U17, 1995. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 c6 7.0-0 e5 8.d3)

8.c4 Ne8 9.Nbd2 e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Kf8 13.f4 Nf6 14.Rb1 a5 15.b5 cb5 16.Rb5 (16.cb5? Nd5 17.Nc4 Nc3–+) 16...Bd7 17.Rb1 Ng4 18.Rf3 Nc6 19.Qg1 Nb4 20.h3 Nf6 21.a3 Na6 22.Qd4 Kg8 23.g4 Bc6 24.e4 Nc5 25.g5 Nh5 26.Kh2 Qe7 27.Re1 Re8 28.Nf1 Ne6–/+ 29.Qc3 Nef4 30.Qa5 Ne6 31.h4 Nd4 32.Rf2 Qe6 33.Ne3 Bd7 34.Qc7?? Qh3–+ 35.Kg1 Ng3 36.Rg2 Nf3 37.Kf2 Ne1 38.Ke1 Ne4 39.Re2 Nc3 (39...Nc3 40.Qb6 Qh4 41.Kd2 Ne2 42.Ke2 Qh2 43.Ke1 Bg4–+) 0–1. Gerber,R (2385) – Nuri,Kam (2195), ch–SUI, Graechen SUI, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 e5 7.0-0 c6 8.d3)

8.c4 Bf5 9.Nbd2 Qb6 10.Rb1 Nbd7 (worse is 10...Qb4 11.Be5 Qc5 12.Bc3+/– (12.Rb7? de5 13.Qa4 Re8–+)) 11.e4 Bg4 12.h3 Be6 13.Ng5 (13.d4 A) worse is 13...Qb4 14.d5+/– (14.de5?! de5 15.Be5 Qa3+=); B) 13...ed4 14.Nd4 a5=) 13...Rfe8 (13...a5 14.ba5 Qa5 15.a3=) 14.Ne6 Re6 15.Nf3 (15.Bc1 Qc7+=) 15...Qa6 (15...a5 16.Bc3=) 16.a3 h6 17.Re1 Rd8 18.d4 ed4 19.Nd4 Ree8 20.b5+/– cb5 21.Nb5+– Qb6? 22.Nd6 Re6 23.Bf6 (23.Bf6 Qb1 24.Qb1 Bf6 25.Nb7+–) 1–0. gbsr (2050) – jjones (1980), net–chess.com, 2003.

8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa3 Qb6 13.Nc4 c5?? (better is 13...Qc7=) 14.Nb6+– (14.Nb6 cb4 15.Qa5+–) 1–0. gbsrao (2120) – fbershadski (2275), net–chess.com, 2007.

8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Qb1 Bd7 13.c4 b6 14.Bc3 Qe7 15.Qb2 Ne8 16.Ra1 Nec7 17.Ra2 Rb8 18.Qa1 Bc8 19.d4 e4 20.Ne4 Qe4 21.Ne5 Qg2 22.Kg2 de5 23.de5 Bb7 24.f3 b5 25.e6 Bc3 26.ef7 Kf7 27.Qc3 Re8 28.e4 Bc8 29.cb5 cb5 30.Qe3 Re7 31.Rc2 Be6 32.Rc6 Ke8 33.Qd4 Bc4 34.Rd6 Bg8 35.Qh8 Kf8 36.Rd8 Re8 37.Rd7 1–0. Schettler,J – Halasz,T, It open, 1992. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

8.Nbd2 a5 9.a3 h6 10.c4 Re8 11.Qc2 Nbd7 12.Nb3 a4 13.Na5 Ra5 (better 13...Nb8!?=) 14.ba5+/- Qa5 15.Bc3 Qa7 16.Nd2 (16.Rab1 Nc5+/-) 16...d5 17.cd5 Nd5 18.Bb2 N7b6 19.Nc4 (19.Rab1 Bg4+/-) 19...Nc7 (19...Nc4 20.dc4 Nb6 21.Rab1=) 20.Nd6+/- Re7 21.Nc8 Nc8 22.Rfc1 Rd7 23.Bh3 Rd8 24.Rab1 Nd5 25.Qc5 (25.e4 Nde7+/-) 25...Qc5+= 26.Rc5 Nde7? (26...f5 27.Bg2+/-) 27.Rc4 (better 27.Be5!? b5 28.Bc7+-) 27...b5+/- 28.Rc5 f6 29.Be6 (29.Bc3 Nd6 30.Ba5 Ra8+/-) 29...Kf8+= 30.h4 Rd6 31.Bc8 Nc8 32.Rbc1 Attacks the backward pawn on c6 32...Ne7 33.Bc3 Ke8 34.Bb4 Bf8? (34...Rd8 35.R5c2 Bf8 36.Bc5+=) 35.R5c2 (35.Re5! Rd4 36.Re6+-) 35...Re6 36.Be7 Be7 37.Rc6 Rc6 38.Rc6 Ba3 39.Rb6 (better 39.Rf6!? Bf8 40.Kf1+/-) 39...b4= 40.Ra6 Bb2 (40...b3!? 41.Ra4 b2 42.Ra8 Kd7+=) 41.Ra4+/- Bc3 42.Ra7 (42.Ra6 Ke7 43.Rc6+/-) 42...h5? (better 42...b3!?+=) 43.Rb7+- Kd8 44.Kg2 Kc8 45.Kf3?? (better 45.Rb5+/-) 45…Kb7-+ (45...Kb7 46.Ke3 b3-+) 0-1. cathar (2510) - agostinhoarruda (2635), net-chess.com, 2022. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 c6 7.0-0 e5)

8.Nbd2 a5 9.ba5 Qa5 10.c4 =.

8.Nbd2 b6 9.Ne4 (better is 9.c4=) 9...Nbd7 (better is 9...Ne4!? 10.de4 f5 11.ef5 Bf5=) 10.Nd6+/– Qe7 11.Nc8 Rfc8 12.c4 Rab8 13.Rc1 (13.Qa4 Rc7+/–) 13...Qb4 14.Be5 Ne5 15.Ne5 Qd6 16.Nc6 (16.f4!?+/–) 16...Rc6= 17.Bc6 Qc6 18.d4 Nd7 19.d5 Qc5 20.e4 Bd4 21.Rc2 Re8 22.Rd2 Be5 23.Re1?? Qc4?? 24.Rc2 Qa4?? 25.Qc1 Kg7 26.f4 Bd4 27.Kh1= Bc5 28.e5 Qa5 29.e6?? fe6 30.de6 Nf6 31.Re5 Ng4–+ 32.Rec5 bc5 33.Rc5? Re6 34.Ra5+– (34.Ra5 Re7 35.Qc5+–) 1–0. gbsrao (2130) – aleandy (2155), net–chess.com, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 c6 6.0-0 0-0 7.d3 e5)

8.Nbd2 Qb6 9.a3 a5 10.ba5?? Qa5?? 11.e4= Nbd7 12.Nc4 Qc7+= 13.a4 Nb6 14.Ne3 Ra4 15.Ra4 Na4 16.Ba3 b5 17.c4 Bd7 18.Qc2 Rb8 19.Rb1 c5–/+ 20.cb5 Rb5 21.Rb5 Bb5 22.d4 ed4 23.Nd4 Bd7 24.Nf3 Nb6 25.e5 de5 26.Qc5 Qc5 27.Bc5 Na4 28.Bd6 e4 29.Nd2 Ne8 30.Ne4= f5 31.Nc5 Nd6 32.Nd7 Bd4 ½–½. gbsrao (2180) – jcosta (2330), net–chess.com, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d3 e5 7.0-0 c6)

8.Nbd2 Qc7 9.c4 Nbd7 10.Qc2 Re8 11.Rac1 Nf8 12.b5 Bd7 13.a4 a5 14.Ba3 c5 15.Nb1 Rad8 16.Nc3 b6 17.Nd2 Ne6 18.e3 h5 19.Nde4+= Ne4 20.de4 Rb8 21.Rcd1+/– Bf8 22.Bb2 h4 23.f4 hg3 24.hg3 Qd8 25.Qf2 ef4 26.Nd5 Bg7 27.gf4 f6 28.Qg3 Nf8 29.f5 g5 30.Qd6 Nh7 31.Nc7 Re7 32.Ne6 Qe8 33.Nc7 Qf8?? 34.Nd5 Rf7 35.Qf8 Kf8 36.Bf3 g4 37.Bg4 Ng5 38.Bh5 Bh6 39.Bf7 Kf7 40.Nf4 Rb7 41.Ne6! Ke7 42.Ng5 Bg5 43.Kf2 Be8 44.Rh1 Bf7 45.e5 fe5 46.Be5 Bf6 47.Bf6 Kf6 48.e4 Bc4 49.Ke3 Ke5 50.Rh6 Rg7 51.Kf3 Rg8 52.Rd7 Rg1 53.Re7 Kd4 54.Rd6 Kc3 55.Rb6 Kb4 56.Rd6 Ka4 57.b6 Rf1 58.Ke3 Re1 59.Kf4 1–0. Halmeenmaki,T (2165) – Kapanen,K (2025), TCh–FIN, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 c6)

8.Nbd2 Nd5 9.a3 e4 10.de4 Ne3 11.fe3 Bb2 12.Rb1 Bg7 (12...Ba3? 13.Nc4+–) 13.Nc4 d5 14.ed5 cd5 15.Na5 Bh6 16.Nd4 Be3 17.Kh1 Qb6 18.c3 Bd4 19.cd4 Nc6 20.Nb3 Ne7 21.Qd2 Bf5 22.Rbc1 Be4 23.Qg5 f6 24.Qf4 Bg2 25.Kg2 Rf7 26.Rc3 Nf5 27.Rfc1 ½–½. De Leon,Javier – Hedman Senarega,Jose Antonio (2315), Fuerteventura op, 1992.

8.Nbd2 Be6 9.c4 Na6 10.a3 h6 11.Qc2 Nd7 12.d4 White plans c5 12...Nc7 (12...f5 13.de5 de5 14.Nh4=) 13.c5 (13.de5 de5 14.Rfd1 Qe7+=) 13...ed4 (13...dc5 14.bc5 (worse 14.de5 cb4 15.ab4 Nd5=+) 14...ed4 15.Bd4=) 14.Bd4 dc5 15.Bg7 Kg7 16.bc5 Rb8 17.Ne4 (17.Nd4 Na6=) 17...Na6 The isolani on c5 becomes a target (17...f5 18.Qc3 Kh7 19.Nd6=) 18.Qc3 f6 19.Rfc1 (19.Nd4 Bd5=) 19...Bd5 20.Nfd2 (20.Nd4 Kh7=+) 20...Qe7 Increasing the pressure on the isolated pawn on c5 (20...Kh7 21.Qd4=+) 21.Rab1 Kh7 22.g4 (22.Qd4 Rfd8 23.Qb2 f5–/+ (worse 23...Nac5 24.Rc5 Be4 25.Ne4+=)) 22...f5–/+ 23.gf5 Rf5 (23...gf5 24.Ng3=+) 24.Ng3 (24.Qe3 Be4 25.Ne4 Nac5 26.Nc5 Qe3 27.fe3 Nc5 28.Bc6 b6=+) 24...Re5–/+ 25.e4 Ba2 26.Ra1 Rc5 27.Qe3 Bg8 (27...Be6 28.f4–/+) 28.f4 Rf8 (28...Be6 29.Re1=+) 29.Nf3 (29.Re1 b6–/+) 29...Nc7 (29...Nb6 30.Ne5–/+) 30.Qd2 (30.Re1 b5=+) 30...Rc1 (30...Be6 31.Nd4–/+) 31.Rc1 Nc5 32.f5 (32.Qe3 b6 33.Re1 Bc4=+) 32...Nb3 (32...Ne4? 33.fg6 Kg6 34.Nh4 Kg7 35.Nhf5 Rf5 36.Nf5 Kf6 37.Qd4 Kf5 38.Rf1 Kg4 39.Be4+– (39.Qe4?! Qe4 40.Be4 Bc4=)) 33.fg6 Kg6 34.Qc2? (better 34.Nf5 Nd2 35.Ne7 Kf7 36.Nf5 Nf3 37.Bf3–/+) 34...Nc1–+ 35.e5 Kg7 36.Nh5 Kh8 (36...Kf7 37.Qc1 Nd5 38.Qh6 Qa3 39.Qg7 Ke8 40.Qg6 Kd7 41.Qg7 Kc8 42.h3–+) 37.Qc1 Qh7 38.Nf6 (38.Nh4 Ba2–+) 38...Qg7 39.Qb2 (39.Nh4 Bh7–+) 39...Ne6 (better 39...Bd5 40.Kh1–+) 40.Kf2?! (40.Qc1–+) 40...Nf4 41.Bf1 Bc4! 42.Nd4 (42.Bc4 Qg2 Double attack) 42...Rf6 (42...Rf6 43.ef6 Qf6–+) 0–1. Lacasta Palacio,Joaquim (2060) – Porta Tovar,Guillem (2145), 18th Obert Internacional Foment Martine, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

8.Nbd2 Be6 9.c4 Nbd7 10.Rc1 h6 11.Nb3 Rc8 12.Re1 Qe7 13.Na5 b6 14.Nb3 c5 15.bc5 Nc5 16.Nc5 Rc5 17.d4 ed4+= 18.Nd4 Bc4 19.Nc6 Qc7 20.Nb4 a5 21.Nd3+= Bd3 22.Qd3 Qe7 23.Ba3 Rc1+= 24.Rc1 Rd8 25.Rc6 Qe5 26.Rd6 Rd6+= 27.Bd6 Qe6 28.e4 Qa2+= 29.e5 Nd7 30.Bd5 Qa1–+ 31.Kg2 Ne5 32.Be5 Qe5–+ 33.Bc6 Bf8 34.f4 Qc5 35.Qe4 b5 36.Bd5 b4?? 37.Qg6+– Kh8 38.Bf7 Bg7= 39.f5 Qe5 40.Be6 Qf6 41.Qe8 Qf8 42.Qf8 Bf8 43.Bb3 Kg7 44.Kf3 Kf6 45.Ke4 Ke7 46.g4= Kd6 47.h4 Be7 48.h5 Bg5 49.Kd4 Bf6 50.Kc4 Kc6 51.Ba4 Kd6 52.Kb5 Bd8 53.Bb3 Ke5 54.Kc6 Kf4 55.Kd7 Bg5 56.Bd1 a4+= 57.Ba4 Kg4 58.Ke6 Kh5 59.f6 Be3 60.f7 Bc5 61.Kf5 Kh4 62.Kg6 h5 63.Kg7?? Kg3 64.f8Q?? Bf8 65.Kf8 h4 66.Bb3 h3 67.Bd5 h2 68.Ke7 b3! 69.Bb3 h1Q 70.Be6 Kf4 71.Kd6 Qh6 72.Kd5 Qg5 73.Kd6 Qe5 74.Ke7 Kg5 75.Kd7 Kf6 76.Bh3 Qd4 (76...Qd4 77.Kc7 Qc3 78.Kd6 Qh3 79.Kc5 Qe3 80.Kd5 Qd3 81.Kc6 Ke5 82.Kc7 Qc4 83.Kb7 Qb5 84.Kc7 Qc5 85.Kd7 Qd6 86.Kc8 Qb6 87.Kd7 Qb7 88.Kd8 Ke6 89.Ke8 Qe7#) 0–1. gbsrao (2120) – michelleke (2275), net–chess.com, 2007.

8.Nbd2 Qe7 9.c4 Bg4 10.Qc2 Nbd7 11.a4 Rfc8 12.e3 d5 13.Rfc1 Qb4 14.Ne5 Ne5 15.Be5 Qe7 16.Qb2 dc4 17.Nc4 Rd8 18.Rab1 Rd7 19.Na5 Ne8 20.Bg7+– Ng7 21.Nb7 Rb8 22.Bc6 Rd3 23.Qc2 Ra3 24.Nc5 Rb1 25.Qb1 Re3 26.Ne4 (26.Ne4 Rf3 27.Qb8 Qf8 28.Qa7+–; 26.fe3 Qe3 27.Kh1 Bf3 28.Bf3 Qf3 29.Kg1 Qe3 30.Kf1 Qf3 31.Ke1 Qe3 32.Kd1 Qg1 33.Ke2 Qg2 34.Ke1 Qg1 35.Kd2 Qh2 36.Kc3 Qg3 37.Qd3 Qg5+–) 1–0. Sigurjonsson,Gudmundur – Kristinsson,Jon, ISL–ch Reykjavik, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

8.Nbd2 Bg4 9.c4 Nbd7 10.Nb3 Qe7 11.h3 Be6 12.Ng5 d5 13.cd5 cd5 14.Rc1 h6 15.Ne6= Qe6 16.Rc7 b6 17.Qc2+= a5 18.ba5 ba5 19.Rc1 a4 20.Nc5 Nc5 21.Qc5 Rfe8 22.Rc6 Qe7 23.Rc7 Qc5 24.R1c5 a3 25.Bc3 Rad8 26.Ra7 h5 27.Rcc7+– Ra8 28.Rf7 Ra7 29.Ra7 Bf8 30.f4?? Bc5–+ (30...Bc5 31.Kf1 Ba7 32.Be5 Kf7 33.Bf6 Kf6 34.Bd5 h4–+) 0–1. gbsrao (2295) – gtan (2235), net–chess.com, 2008.

8.Nbd2 Bg4 9.h3 Be6 10.c4 Na6 11.a3 Nc7 12.Ng5 Bf5 13.e4 Bd7 14.Kh2 (14.d4 ed4 15.Bd4 Re8=) 14...h6 (14...Ng4 15.hg4 Qg5 16.Bh3=+) 15.Ngf3= a5 (15...Ne6 16.Nb3=) 16.Qb3 (16.c5 Be6 17.cd6 Qd6 18.Be5 Ng4 19.hg4 Be5+=) 16...ab4 17.ab4 Qe7 18.Ra8 Ra8 19.Ra1 Ra1 20.Ba1 Nh5 21.c5 dc5 22.bc5 Nb5 23.Nc4 Will e5 fall? (better 23.Qc2+=) 23...Nd4?? (better 23...Qc5 24.Nce5 Be6=) 24.Qb7 (better 24.Bd4 ed4 25.Qb7+–) 24...Kf8?? (24...Nf3!? 25.Bf3 Qc5 26.Qb8 Kh7+–) 25.Nd6 (better 25.Nfe5 Be5 26.Ne5 Qe5 27.Qd7 Nf3 28.Bf3 Qa1 29.Bh5 gh5 30.Qc6 Kg7+–) 25...Be8? (better 25...Nf3 26.Bf3 Nf6+–) 26.Qe7 Ke7 27.Nc4 (27.Nd4 ed4 28.f4 Bd7+–) 27...Ke6 (27...Nb3 28.Be5 Be5 29.Nfe5+–) 28.Nd4 ed4 29.Bf3 (29.f4 f5+–) 29...f5 30.Bh5 (30.Nd6!? fe4 31.Be4 Nf6 32.Ne8 Ne8 33.Bc6 Nf6+–) 30...gh5 31.ef5 Kd5 32.Nd6 Bd7 33.Nb7?? (better 33.f4+–) 33...Bf5–/+ 34.f3 Bd3 35.Bb2 Bf6 (35...Ba6 36.Nd6–+) 36.Bc1 Bg7 37.Kg2 (37.Bb2 Ba6 38.Nd6–+) 37...Bb5 38.f4 d3 39.Bd2 (39.f5 Ba6 40.Nd6 Kc5–/+) 39...Bf8 (39...Ba6 40.Nd6 Kc5 41.Ne8–+) 40.Kf3 Bc5 (40...Ba6!? 41.Nd8 Bc8–/+) 41.Nc5=+ Kc5 42.f5 Kd5 (42...Kd4!?=+) 43.Bh6= c5 44.f6? (better 44.Ke3!?=) 44...Ke6–/+ 45.Ke4 Kf6 46.Kd5 c4 47.Bd2 Kf5 48.Kc5 Ba6 49.Kb6? (49.Kd4 Bc8–+) 49...Bc8 (better 49...Ke4 50.Kc5 Kf3–+) 50.Kc5 Be6 (50...c3 51.Bc3 Ke4 52.Bd2–+) 51.Kd4 Bf7 ½–½. gbsrao (2185) – michelleke (2410), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.0-0 0-0 7.d3 c6)

8.Nbd2 Bg4 9.h3 Bf3 10.Nf3 Nbd7 11.c4 Re8 12.e4 c5 13.b5 a5 14.a4 b6 15.Nh2 Nh5 16.Bf3 Nhf6 17.Ng4 Ng4 18.Bg4 Nf6 19.Be2 Qc8 20.Kg2 h5 21.h4 (21.f4 ef4 22.Qd2 Qe6+/-) 21...Bh6 22.Bc1 Bc1 23.Qc1 Kg7 24.Qe3 Nd7 (24...Rb8 25.f4+=) 25.Rh1 (25.f4 Qc7+=) 25...Nf8 26.f4 ef4 27.Qf4 Qd7 28.Raf1 Ne6 29.Qf6 Kg8 30.g4 Nd4 31.Bd1 Re6 32.Qg5 Re5 33.Qf4 (33.Qh6 hg4 34.h5 f5 35.Qg6 Kh8 36.Qh6 Qh7 37.Qd6 Re6+/-) 33...Rae8? (33...hg4 34.h5 gh5= (34...Rh5?? 35.Bg4 f5 36.Bh5+-)) 34.gh5+/- gh5 35.Rhg1 (better 35.Rh3 Qe6 36.Rg3 Kf8 37.Rg5 Rg5 38.Qg5+- (38.hg5?! Qg6+=)) 35...Kh7? (better 35...Qe6+/-) 36.Qf7+- Qf7 37.Rf7 Kh8 38.Kf2 (38.Rb7 d5 39.cd5 c4 40.Rb6 cd3+-) 38...R5e7 39.Re7 (39.Bh5?! Rf7 40.Bf7 Rf8=) 39...Re7 40.Rg5 (40.Rg6 Rf7 41.Ke3 Re7+-) 40...Rf7 41.Ke3 (41.Ke1 Rf4 42.Rh5 Kg7 43.Rg5 Kf6+-) 41...Rf1 42.Bh5 (42.Rh5 Kg7 43.Bg4 Rg1+-) 42...Re1 (42...Nc2 43.Kd2 Rf2 44.Kd1 Ne3 45.Ke1+-) 43.Kd2 Ra1 (better 43...Rh1+-) 44.Bd1 Ra2 45.Ke3 Ra1 46.Bg4 Ra4 (46...Rh1 47.Rg6 Rh4 48.Kf4+-) 47.Rd5 Ra1 48.Rd6 a4 49.Rb6 a3 50.Ra6 a2 51.b6 (better 51.Kd2 Nb3 52.Kc3+-) 51...Re1+/- 52.Kd2 (52.Kf4 a1Q 53.Ra1 Ra1 54.b7=) 52...a1Q= 53.Ra1 Ra1 54.b7 Rb1 55.Bc8 Nc6 56.Ke3 Kg7 57.Kf4 Kf6 58.h5 Rf1 (58...Ne5!? 59.Ke3 Kg5-/+) 59.Ke3= Rh1 60.Bg4 (better 60.Bd7 Nb8 61.Be8=) 60...Rh4?? (60...Rb1!? 61.Bd7 Na5-/+) 61.Bd7?? (better 61.Kf4 Ke7 62.e5+-) 61...Nb8= 62.Be8 Rh1 (62...Ke5 63.Bg6=+) 63.Kf4 Rb1 64.e5 Ke7 65.Bb5 Ke6 66.h6 Rf1 67.Kg5 Rg1 68.Kh5?? (68.Kf4!?=) 68...Kf7 (better 68...Kf5 69.Kh4 Rh1 70.Kg3 Rh6 71.e6 Ke6 72.Ba4-+) 69.h7? (better 69.d4 Re1 70.d5 Re5 71.Kg4-/+) 69...Rh1-+ 70.Kg5 Rh7 71.Kf5 Ke7 72.Kg6 (72.Ba4 Rh5 73.Kf4 Ke6-+) 72...Rh3 73.Kf5 Rd3 74.Ke4 (74.Ba4 Rf3 75.Ke4 Ra3-+) 74...Rd4 75.Kf5 Rd2 76.Ke4 (76.Ba4-+) 76...Ke6 77.Be8 Rd4 78.Ke3 Ke5 (better 78...Rc4!? 79.Bh5-+) 79.Bb5 Rh4 80.Kf3 Rh7 0-1. Porfirios (2070) - amayak (2160), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 e5 4.d3 g6 5.g3 Bg7 6.Bg2 0-0 7.0-0 c6)

8.Nbd2 Nh5 9.Qb1 f5 10.c4 Nd7 (10...a5 11.a3=) 11.a3 (11.a4 a5 12.b5 cb5 13.cb5 Re8=) 11...h6 (11...f4 12.Qc1=) 12.e4 (12.a4 c5 13.bc5 Nc5 14.Ne5 de5=) 12...Nb6 (better is 12...f4!?=) 13.Qc2 Nd7 (13...f4 14.c5 dc5 15.Ne5+/– (15.Be5?! cb4 16.Qb3 Kh8=)) 14.d4 (14.c5 fe4 15.de4 dc5 16.bc5 Qe7+=) 14...ed4 15.Nd4 (15.ef5 gf5 (15...Rf5? 16.Nd4 Re5 17.N2f3+–) 16.Bd4 f4+/–) 15...Ne5? (15...Bd4!? 16.Bd4 f4=) 16.ef5+/– gf5 (16...Bf5 17.Nf5 gf5 18.Be5 Be5 19.Rae1+/–) 17.N2f3 (17.h3 f4 18.Qb3 Rf7+=) 17...Qf6 (17...f4 18.c5+/–) 18.Ne5+/– de5 19.Nf3 Qd6 20.c5 (20.Rfd1 Qc7+=) 20...Qc7 21.Qc4 Kh7 22.Qh4 e4 23.Bg7 Ng7 24.Ng5 Kg6 25.Nh3 Qd8 26.Qf4 a5 (26...Ne6 27.Qc1+=) 27.Rad1 Qe7 (27...Qf6 28.f3 ef3 29.Bf3+=) 28.Rd6 Rf6 29.Rfd1 ab4 30.ab4 Ne8 (30...Rd6 31.cd6 (31.Qd6?! Qd6 32.cd6 Bd7=) 31...Qe8 32.f3 ef3 33.Qf3+/–) 31.Rd8 Ra1 (31...Rf8 32.f3 ef3 33.Qf3+/–) 32.Ra1 (better is 32.Qd2!? Ra8 33.Qc3+–) 32...Qd8+/– 33.Qe5 Rf7?? (33...Rf8 34.Nf4 Kh7 35.Rf1+=) 34.Nf4 (better is 34.Qh8 Rg7 35.Bf1+–) 34...Kh7+= 35.Bf1 Qe7 36.Qc3 Qf6 37.Qf6 Nf6 38.Ra8 Rc7 39.Bc4 Ng4 40.Ne6 Be6= 41.Be6 Kg6 42.Rf8 Nf6 43.Rd8 Re7 44.Bc4 e3 45.fe3 Re3 46.Rd4 Re1 47.Kg2 Rb1 48.h3 Ne4 49.g4 Kf6+= 50.gf5 Ke5 51.Rd7 Rb2 52.Kg1 Rb4 53.Bd3? Nc5–+ 54.Re7?? Kf6 (54...Kf6 55.Re8 Nd3 56.Rf8 Kg7–+) 0–1. Schettler,Juergen (2155) – Bakalarz,Mieczyslaw (2320), Oberliga Sued W, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

8.Nbd2 Nh5 9.c4 Qe7 10.a3 f5 11.e3 Nd7 12.Qc2 Kh8 13.Ne1 Nhf6 14.Rd1 Re8 15.d4 e4 16.Nb3 d5 17.cd5 Nd5 18.Qd2 Bh6 19.Nc2 N7b6 20.Na5 g5 21.Rfe1 g4 22.Rc1 Bg7 23.a4 Na4–+ 24.Ba3 Qg5 25.Nc4 Re6 26.h4 gh3! 27.Bh3 Rh6 28.Bg2 Qh5 29.Ne5 Be6 30.f4 Be5 31.de5 Rg8 32.Kf2 Qg4 33.Rg1 Qg3 34.Kf1 Rh2 35.Qf2 Qg7 36.Rd1 Nc7 37.Nd4? Bc4 38.Ne2 Nc3 (38...Nc3 39.Rd2 Ne2 40.Re2 Qg4–+) 0–1. Marshall,Mi (1900) – Celander,Adam, Politiken Cup, Copenhagen DEN, 2010.

8.Nbd2 Nh5 9.c4 Re8 10.Rb1 Bd7 =.

8.e4 Na6 9.a3 Nc7 10.Nbd2 Re8 11.Ne1 d5 12.f4? (12.c4 a5=) 12...Bg4 (better 12...ef4!? 13.Qc1 fg3 14.hg3 Bg4-/+) 13.Qc1 ef4 14.Rf4 Be6 (14...Ne6 15.Rf2 de4 16.Ne4 Ne4 17.de4=+) 15.Rf1 de4 16.Ne4 Ne4 17.Bg7 (17.de4 Bc4 18.Rf2 Bd4 19.Bd4 Qd4=+) 17...Kg7 (17...Ng3!? 18.hg3 Kg7-/+) 18.Be4 Qd4 19.Kh1 Nd5 (19...Qc3 20.Ng2=+) 20.Nf3 Qc3 21.Rb1 Kg8 22.d4 Bg4 23.Ne5?? (better 23.Bd5 cd5 24.Ne5=+) 23...Re5 (better 23...Qd4 24.Bg6 fg6 (24...Qe5?! 25.Bf7 Kg7 26.Be8-+) 25.Ng4 Qg4-+) 24.de5+= Qe5 25.Bg2 Nc3 26.Ra1 Ne2 27.Qd2 Re8 28.Rad1 (28.Rae1!?+=) 28...Qh5= 29.Rfe1?? (better 29.Rde1!? Ng3 30.Kg1 Ne2 31.Kh1=) 29...Ng3-/+ 30.Kg1 Re1?? (better 30...Ne2 31.Kh1 Bf3-+) 31.Re1= Ne2 32.Kh1 Bf3 33.Qd8 Kg7 34.Qd6 Bg2 35.Kg2 Qg4 36.Kf2 Nf4 37.Qe5 Kh6 38.Re4 g5 (38...Qh4!? 39.Kf1 Qh3 40.Ke1 Nd5=) 39.Qf6+= Kh5 40.Qf7 Kh4?? (better 40...Kh6 41.Qf8 Kh5 42.Qe8 Kh6+=) 41.Qh7+- Qh5 42.Qh5 (better 42.Re7!? g4 43.Qh5 Kh5 44.Rb7 Ne6+-) 42...Kh5 43.Rf4?? (better 43.Re7 b5 44.Ra7+-) 43...gf4+/- 44.Kf3 Kg5 45.c4 b6? (45...Kf5 46.c5+/-) 46.h3 (46.h4 Kf5+-) 46...a6? (46...Kf5 47.h4 Ke5+-) 47.c5 bc5 48.bc5 a5 49.a4 Kf5 50.h4 Ke5 51.h5 Kf5 (51...Kd4 52.h6 Kc5 53.h7+-) 52.h6 Kg6 53.Kf4 Kh6 54.Ke5 Kg7 If Black now only could play Kd6... 55.Kd6 (55.Kd6 Kf6 56.Kc6+-) 1-0. bobby fissure (2125) - paoloone (2185), ChessWorld.net, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bb2 Bg7 5.Bg2 c6 6.d3 0-0 7.0-0 e5)

8.e4 Nbd7 9.Nbd2 Qe7 10.c4 Ne8 11.d4 f5 12.de5 Ne5 13.Ne5 de5 14.a3 f4 15.Qc2 g5 16.f3 h5 17.c5 Be6 (17...fg3 18.hg3 h4 19.Kh2=) 18.Nc4+= Bc4 19.Qc4 Qf7 20.Qf7 Kf7 21.Rfd1 Nf6 (21...Kg6 22.Rd7+=) 22.Bf1 (22.Be5 fg3 23.hg3 h4+–) 22...g4 23.gf4 ef4 The passed pawn on e4 will quickly become a dangerous weapon 24.Bc4 Kg6 25.e5 Ne8 26.Rd7 Kg5 (26...b6 27.Bd3 Kg5 28.Rc1+–) 27.Bf7 (27.Rb7 Kf5 28.Re7 Kg5+–) 27...Bh8 28.Rad1 (28.Rb7 Ng7+–) 28...Ng7 (28...b5 29.Kg2 a5 30.h4 gh3 31.Kh3 ab4 32.ab4 Be5 33.Be5+–) 29.R1d6+– White fights for the Initiative 29...Nf5 (29...Rab8 30.Rg6 Kf5 31.Rf6 Kg5 32.Bc1+–) 30.Rg6 Kh4 31.Kg2?? (better 31.fg4!? hg4 32.Rb7+–) 31...Ne3 (better 31...Rad8 32.Rgd6 Nd6 33.Rd8 Rd8 34.cd6 Kg5=+) 32.Kf2+– Rf7 33.Rf7 A deflection 33...Nd1 A double attack (33...Re8 34.Rh7 Be5 35.Rgh6+–) 34.Kg2 (better 34.Ke2 Rd8 35.Rh7+–) 34...Nb2?? (34...Rd8 35.Rd6 Ne3 36.Kf2+–) 35.fg4 (35.Rh7 gf3 36.Kf3 b6 37.Rg4 Kh3 38.Rh5) 35...Nd3?? (better 35...Be5 36.Rf5 Rh8 37.Re5 hg4+–) 36.Rh7 (better 36.Rf5 f3 37.Kf1+–) 36...f3=+ 37.Kf1 Threatening mate: Rxh5 37...Nf4 38.gh5 (38.Rgh6 Be5 39.Rh5 Nh5 40.Rh5 Kg4 41.Re5 a5=) 38...Be5–/+ 39.Rg3 (39.Rb7!? Ng6 40.hg6 Bh2 41.Rh7 Kg3 42.Re7–/+) 39...Rd8–+ (39...Nh5 40.Rf3 Rh8 41.Rh8 Bh8 42.Rf7+–) 40.Rf3?? (better 40.Re7 Rd1 41.Kf2 Bd4 42.Kf3 Rf1 43.Ke4 Re1 44.Kf4 Re7 45.Rd3 Rf7 46.Ke4–+) 40...Rd1 41.Kf2 Bd4 42.Re3 Nd5 (better 42...Rd3 43.Kf3 Be3 (43...Re3?! 44.Kf4 Ra3 45.Rb7–/+) 44.Rb7 Nh5–+) 43.Ke2 Ne3 (43...Be3 44.Kd1 b5 45.Rh8+=) 44.Rb7 Kh5 45.Ra7 Ra1 46.Kd3 Nf5 47.Ke4 (47.Ra6 Kg5 48.Kc4 Be5 49.Rc6 Ra3–+) 47...Kg6 48.h4 (48.Ra6 Re1 49.Kd3 Re3 50.Kc2 Bc3 51.Rc6 Kf7–+) 48...Re1 49.Kd3 Re3 50.Kd2 (50.Kc2 Bc3 51.Kb3 Nd4 52.Kc4 Bb2–+) 50...Nh4 (50...Bc3 51.Kc2 Nd4 52.Kb1 Re1 53.Ka2 Ra1) 51.Ra6–+ Nf3 52.Kc2 Ne5 53.b5 (53.Kd2 Rb3 54.Ra8 Nc4 55.Kc2 Rc3 56.Kd1 Ra3 57.Ra3 Na3–+) 53...Rc3 (53...Kf5 54.bc6 Rc3 55.Kd1 Rc5 56.Ra8–+) 54.Kd2 Nc4 (54...Kf5 55.b6 Nc4 56.Ke2–+) 55.Ke2 (55.Kd1–+) 55...Ne5 (55...Kf5 56.Rc6 Re3 57.Kd1 Rd3 58.Kc2 Rc3 59.Kd1 Ke4 60.Ke2 Rc2 61.Kf1 Ne3 62.Kg1 Nf5 63.Kf1 Ng3 64.Ke1 Rc1 65.Kd2 Be3) 56.a4?? (56.Kd2 Kf5 57.b6 Nc4 58.Ke2–+) 56...Rc5 57.b6 (57.Kd1 Be3 58.Ke2 Bf4–+) 57...Rc2 58.Kd1 Rb2 59.b7 Rb7 60.Kc2 (60.Ra8 Rb1 61.Kd2 Rb2 62.Kd1 Bc3 63.Rg8 Kf6–+) 60...Kf5 (60...Rb2 61.Kd1 Bc3 62.Rb6 Rb6 63.a5 Rb2 64.a6 Nd3 65.a7 Rd2) 61.Ra8 Ke4 62.Rd8 Rb2 63.Kc1 (63.Kd1 Kd3 64.Kc1 Ra2 65.Rb8 Rc2 66.Kd1 Rf2 67.Rb3 Bc3 68.Rc3 Kc3 69.a5 Nd3 70.a6 Rd2) 63...Ra2 (63...Nd3 64.Kd1 Be3 65.Re8 Kd4 66.Rd8 Kc4 67.Rd3 Kd3 68.a5 Rb1) 64.Kb1–+ Ra4 65.Kc2 c5 66.Rh8 c4 67.Rh4 Kd5 68.Rh5 Ra2 69.Kb1 Rb2 70.Kc1 c3 71.Kd1 Kc4 72.Rh4 (72.Rh3 Rg2 73.Kc1 Nd3 74.Rd3 Kd3 75.Kb1 c2 76.Ka2 c1Q 77.Kb3 Qc4 78.Ka3 Ra2) 72...Nd3 (72...Rd2 73.Kc1 Nd3 74.Kb1 c2 75.Ka2 c1Q) 73.Rd4–+ Kb3 (73...Kd4) 74.Rd3 Rb1 75.Ke2 Kc2 (75...Kb2 76.Rd8–+) 76.Rd7 (76.Rd8 Rb6 77.Rc8 Re6 78.Kf3 Kb2 79.Rb8 Kc1–+) 76...Rh1 (better 76...Kc1 77.Kd3 c2 78.Rc7 Rb3 79.Ke2–+) 77.Rb7 Rh2 78.Ke1 Rd2 79.Rb8 Rd1 80.Ke2 Kc1 81.Rc8 c2 82.Rb8 Rd5 83.Ke3 (83.Rb7 Re5 84.Kf3 Kd2 85.Rd7 Kc3–+) 83...Ra5 84.Ke2 Ra2 85.Ke1 (85.Ke3 Rb2 86.Rc8 Kb1–+) 85...Rb2 86.Rc8 Kb1 (86...Kb1 87.Kf1 c1Q 88.Rc1 Kc1 89.Ke1 Rd2 90.Kf1 Kd1 91.Kg1 Ke1 92.Kh1 Kf2 93.Kh2 Rd3 94.Kh1 Rh3) 0–1. Boysan,Ferit (2370) – Heimsoth,Holger (2565), Dos Hermanas Internet Section, 2003.

8.e4 Bg4 9.Nbd2 (9.Qe1 a5+=) 9...Nbd7 (9...a5 10.a3=) 10.Nc4 (10.h3 Be6=) 10...Qe7 11.h3 (11.Qd2 Be6 12.Rfe1 c5=) 11...Be6 (11...Bf3!? 12.Qf3 d5 13.ed5 cd5+=) 12.Qe2= a6 (12...Rae8 13.Rfe1=) 13.Rad1 (13.Ng5 Rad8=) 13...b5+= 14.Na5 Rac8 (14...c5 15.a3+=) 15.c4 Nh5 16.cb5 cb5 17.d4 ed4 18.Nd4 Bc4 19.Nc4+= Rc4 20.a4 Rb4?? 21.ab5 ab5?? 22.Bf3 Nhf6?? 23.Nc6+– Qe6 24.Nb4 Qh3 25.Bg2 Qe6 26.Bf6 Bf6 27.Qb5 Be5 28.Nd5 h5 29.f4 Bg7 30.f5 Qe5 31.Qd7 Qg3 32.Ne7 Kh7 33.fg6 (33.fg6 Kh8 34.Rf7 Rf7 35.gf7 Bd4 36.Rd4 Qe1 37.Bf1 Qg3 38.Kh1 Qf3 39.Bg2 Qf7 40.Qd6 Kg7 41.Qe5 Kh7 42.Rd8 Qg7 43.Qf5 Kh6 44.Rh8 Qh8 45.Qg6#) 1–0. gbsrao (2200) – michelleke (2280), net–chess.com, 2008.

9.a3 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Qa4 Na6 13.Bc3 e4 14.Nd4 ed3 15.ed3 Ng4 16.Nc2 Bc3 17.Nc3 Ne5 18.Ne4 Qd8 19.Rd1 (19.Qb3 Bf5+=) 19...f5 20.f4 (20.Nd2 Nd3 21.Qb3=) 20...Ng4 (20...fe4!? 21.fe5 ed3 22.Rd3 Qb6 23.Re3 Bf5–/+) 21.Nf2 (21.Nc3 g5 22.h3 Nf6+=) 21...Nf6 (21...Nf2 22.Kf2 g5 23.Kg1=) 22.Re1+= Re8 23.Qa1 Re1 24.Qe1 Kf8 25.Kf1 Qe7 26.Qe7 Ke7 27.Ke2 Nc7 28.d4 Bd7 29.Kd3 b5 30.c5 Ncd5 31.Nd1 Be8 32.Nde3 Bf7 33.Bf3 Kd7 34.Nd5 Bd5 35.Bd5 Nd5 36.h3 Ke6 37.Ke2 Nc3 38.Kd3 Ne4 39.g4 Nf2 40.Ke3 Nh3 41.g5 Kd5 42.Kf3 (better is 42.Na3!?+=) 42...dc5–/+ 43.bc5 Kc4 44.Kg3 Ng5! 45.fg5 b4 46.d5 b3 (46...Kd5?! 47.Nb4 Kc5 48.Nd3 Kd4 49.Nf4+=; 46...cd5 47.c6 Kb3 48.Ne1+–) 47.dc6?? (better is 47.Ne3 Kc5 48.dc6 Kc6 49.Nd1–+) 47...bc2 48.c7 c1Q 49.c8Q Qg5 50.Kf2 Qd2 51.Kf1 Qd3 52.Kg2 Qd5 53.Kg3 Qc5 54.Qg8 Kd3 55.Qh7 Qg1 56.Kf3 Qg4 57.Kf2 g5 58.Qd7 Qd4 (58...Qd4 59.Qd4 Kd4 60.Kf3 Kd3 61.Kg2 Ke3 62.Kg3 Ke4 63.Kg2 f4 64.Kh3 Kf3 65.Kh2 g4 66.Kg1 g3 67.Kf1 Kg4 68.Ke2 f3 69.Ke3 g2 70.Kf2 Kf4 71.Ke1 g1Q 72.Kd2 Qe3 73.Kc2 f2 74.Kb2 Qd4 75.Ka3 f1Q 76.Ka2 Qe2 77.Kb3 Qeb2) 0–1. Priser,Patrick – Soyer,Jean Yves (2205), Fouesnant op, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 c6 8.c4 a5)

9.a3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 12.Nbd2 Qe7 Black plans e4 13.Qb3 d5 Black intends e4 14.c5 Re8 15.Re1 e4 (15...Bh6 16.e4 d4 17.Nc4=) 16.de4 de4 17.Ng5 e3 18.fe3 Qe3 (18...Bh6!? 19.Nge4 Qe6+=) 19.Qe3+/- Re3 20.Nde4 (better 20.Nc4 Rb3 21.Nd6+-) 20...h6= 21.Nf6 (21.Nd6 hg5 22.Nc8 Rb3=) 21...Nf6=+ 22.Nf3 (22.Rd1 Re2 23.Rd8 Re8 24.Bf6 Rd8 25.Bd8 hg5 26.Bg5 Bc3=+) 22...Nd5 23.Bg7 Kg7 24.b5 (24.Kf2 Ra3-/+) 24...Rc3 (24...cb5!? 25.Nd4 Nc3-/+) 25.bc6=+ bc6 26.e4 (26.Ne5 Rc5 27.Nc6 Ne3=+) 26...Ne3 (26...Nb4 27.Rd1-/+) 27.Ne5 (27.Bh1!?-/+) 27...Ng2 28.Kg2 Rc5 29.Nd3 Rc2 30.Kg1 (30.Kf3 c5-/+) 30...c5-+ 31.Rc1 Rc1 32.Nc1 Kf6 33.Kf2 Ke5 34.Ke3 c4 35.Ne2 Bb7 36.Nc3 Bc6 37.h3 f6 38.h4 (38.g4 h5-+) 38...h5 39.Ne2 Be4 40.Nf4 (40.Nc3 Bd3-+) 40...c3 41.Ne2 c2 42.Kd2 Kf5 43.Ke3 g5 44.g4 (44.hg5 fg5 45.Kf2 Kg4-+) 44...hg4 (44...Kg4 45.hg5 fg5 46.Ke4-+) 45.h5 (45.hg5 fg5 46.Kd2 Ke6-+) 45...Ke5 46.Nc1 (46.Kd2 f5 47.Ng3-+) 46...g3 47.h6 g2 (47...f5 48.Kd2 f4 49.h7 Bh7 50.Ke1-+) 48.Kf2 Kd4 49.Ne2 (49.Na2 g4 50.Kg1-+) 49...Kd3 50.Nc1 Kd2 51.Nb3 Kd1 52.h7 Bh7 53.Kg2 c1Q (better 53...Bg8 54.Nc1 Kc1 55.Kh3 f5 56.Kg2 Bd5 57.Kg1 Kd2 58.Kh2 c1Q 59.Kg3 Qg1 60.Kh3 Qg2) 54.Nc1 Kc1 55.Kg3 f5 (55...f5 56.Kh3 Kc2 57.Kg2 Kd3 58.Kg1 Ke3 59.Kf1 f4 60.Ke1 f3 61.Kd1 f2 62.Kc1 f1Q 63.Kb2 Qb1 64.Kc3 Qb6 65.Kc4 Bg8 66.Kc3 Qb3) 0-1. Percheron,A (1850) - Gu Xiaobing (2260), Cappelle Online Blitz, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.d3 0-0 7.Bg2 c6 8.0-0)

9.a3 Re8 10.Nbd2 Bg4 11.h3 Bf3 12.Nf3 Qb6 13.Bc3 a4 14.c5 Qc7 15.cd6 Qd6 16.Nd2 Nd5 17.Bb2 f5 18.e4 Nf6 19.Nc4 Qc7 20.ef5 gf5 21.Re1 Nbd7 22.Ne3 f4 23.Nf5 fg3 24.fg3 Nf8 25.Qc2 Rad8 26.Rad1 Ng6 27.Qa4 Qb6 28.d4 ed4 29.Qb3 Kf8 30.Qc4 d3 31.Bd4 Rd4 32.Qd4 Qd4 33.Nd4 Ne5 34.Nf5 Nfd7 35.Nd6 Ra8 36.a4 Ra4+/– 37.Rd3 Rb4 38.Ra3 Ke7 39.Nf5 Kf6 40.Rf1 Bf8+= 41.Ra8 Bc5 42.Kh1 Rb2 43.Nd6 Ke6 44.Ne4+/– Be7 45.Re8 Ng6? 46.h4 Rb5? 47.Bh3 Ke5 48.Re1 Kd4 49.Bd7 Re5 50.Kg2 Bh4 51.gh4 1–0. Martic,I (2320) – Ristic,SB (2130), Winter Open, Belgrade SRB, 2008. (=1.Nf3 Nf6 2.c4 d6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 c6 7.0-0 e5 8.d3)

9.b5 a4 10.Na3 Nfd7 11.Nd2 Nc5 12.Rc1 Qb6 13.Qc2 Bg4 14.Rfe1 Nbd7 15.Rb1 Qc7 16.Ne4 Ne6 17.h3 Bf5 18.Nc3 Nec5 19.Qd2 Rfe8 20.Ne4 d5 (20...Rad8 21.bc6 bc6 22.Bc3 Be4 23.de4=) 21.Nc5+= Nc5 22.cd5 cd5 23.Rbc1 Qd6 24.Qb4 b6 25.d4 ed4 26.Bd4 Bd4 27.Qd4 Rad8 (27...Ne6 28.Qb2 Ng5 29.Rc6=) 28.Nb1 (28.g4 Be6+=) 28...Qd7 (28...Qe5 29.Qe5 Re5 30.g4 Bb1 31.Rb1=) 29.g4 (29.Nc3 A) 29...Bh3? A1) 30.Na4?! Bg2 (30...Qb5? 31.Nc3 Qc4 32.Qc4 dc4 33.Bh3+-) 31.Kg2 Na4 32.Qa4 d4=; A2) 30.Nd5 Re6 31.Nf6 Rf6 32.Qf6 Bg2 33.Qb6+/-; B) 29...Be4+=) 29...Be4 30.Nc3 Bg2 31.Kg2 Qb7 32.Na4 Na4 33.Qa4 Ra8 34.Qb3 Re4 35.Rc6 d4 36.Qd5 Rae8?? (better 36...Re6+/-) 37.Rg6!!+- hg6 38.Qb7 Re2 (38...R8e6 39.Qd7 Re8 40.Rc1 Re2 41.Qd4 Ra2 42.Rc7+-) 39.Re2 Re2 40.Qb6 Rd2 41.Qd6 d3 42.b6 (42.b6 Ra2 43.b7+-) 1-0. Mlawa,Hemed (1825) - Prasitsoonthorn,Teerachoti (1830), 43rd Olympiad, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3)

9.b5 cb5 10.cb5 a4 11.Na3 Nbd7 12.Rc1 Re8 13.Nc4 Nb6 14.Nfd2 d5 15.Ne5 Ng4 16.d4 Ne5 17.de5 Be5 18.Be5 Re5 19.Nf3 Re8 20.Nd4 Bd7 21.Qd2 Rc8 22.Rc8 Qc8 23.h4 Qc5 24.Rc1 Nc4 25.Qd3 Bb5 26.Nb5+/– Qb5 27.Bd5 Nd6 28.Bf7 Kf7 29.Qd6 Re2?? 30.Rc7+– Ke8 31.Rc8 Kf7 32.Qf8 Ke6 33.Qe8 (33.Qe8 Qe8 34.Re8 Kd6 35.Re2+–) 1–0. Arencibia Rodriguez,W (2535) – Vigoa Apecheche,Yan (2255), XXI Carlos Torre, Merida MEX, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0)

9.b5 Qb6 10.a4 Na6 11.Qc1 Nb4 12.Nbd2 Bd7 13.c5 dc5 14.Nc4 Qd8 15.bc6 Bc6 16.Nce5 b6 17.Nc6 Nc6 18.Nd2 Rc8 19.Rb1 Re8 20.Qd1 Nb4 21.Nc4 Nd7? 22.Bg7+– Kg7 23.Nd6 Ne5 24.Nc8 Qc8 25.Qb3 Qg4 26.Qb2 f6 27.h3 Qd7 28.Qb3 Qd4 29.Kh2 c4 30.dc4 Nc4 31.e3 Qd3 ½–½. Schuchardt,Heinz – Stomprowski,Eckhard, Schleswig Holstein–ch, 1993.

9.b5 c5 10.Nc3 Nbd7 11.Ne1 Ra7 12.Nc2 b6 13.Ne3 Bb7 14.Ne4 Ne8 15.Nd5 f5 16.Nd2 Nc7 17.e4 Ne6 18.a4 f4 19.Qg4 Re8 20.h4 Nf6 21.Qe2 Bc8 22.Kh2 h6 23.Bh3 g5 24.hg5= hg5 25.Bf5 Nd4 26.Bd4 Bf5 27.ef5 Nd5 28.cd5 ed4 29.Qg4 Be5 30.Kg2 Rg7 31.Rh1 Kf7 32.Rh6 Bf6? 33.Rah1 Rf8 34.Ne4 Ke7? 35.Nf6 Rf6 36.Rf6 Kf6 37.Rh6 (37.Rh6 Ke7 38.f6 Kf7 39.Qe6 Kf8 40.Rh8 Rg8 41.Qg8) 1–0. Marangunic,Srdjan (2450) – Tizzoni,Lionello, Mendrisio op, 1988.

9.b5 Be6 10.Nbd2 Re8 11.a4 Nbd7 12.Ng5 d5 13.bc6 bc6 14.Ne6 Re6 15.Rb1 Rb8 16.Qc2 Bf8 17.Nf3 Bd6 18.Bc3 Nc5 (18...Bb4!?=) 19.Rb8+/- Bb8 20.Rb1 Na6 Black intends d4 21.Qb3 d4 (21...Bc7!?+=) 22.Bd2+/- Bd6 23.Ng5 Re7 24.Bc6 Bb4 25.Qc2 Qc8 (25...Bd2 26.Qd2 Nb4 27.Bg2+/-) 26.Bf3 (26.Bb5 Bd2 27.Ba6 Qa6 28.Qd2 Ra7+-) 26...Qd7+/- 27.Ne4 Ne4 28.Be4 (28.de4?! Bd2 29.Qd2 Qa4=) 28...Bd2 29.Qd2 Nb4 30.Rb4 ab4 31.Qb4 f5 32.Bd5 Kg7 33.a5 e4 (33...h6 34.a6 Qa7 35.Qd6+-) 34.a6 ed3 35.ed3 f4 (35...Qa7 36.Bb7 Re6 37.c5 Ra6 38.Ba6 Qa6 39.Qd4 Kh6 40.Qd6+-) 36.Kg2 (36.Qb7 Qb7 37.ab7 Rb7 38.Bb7 Kf6+-) 36...f3 (better 36...Qc7+/-) 37.Bf3 Rf7 (37...Qd8+-) 38.Bd5 Rf2 (38...Re7 39.Bb7 Re2+-) 39.Kf2 Qf5 40.Ke2 (40.Kg2!? Qe5 41.Bf3 g5+-) 40...Qe5 41.Be4 Qh5 42.Kf2 (42.Kf2 Qg5 43.Kg2+-) 1-0. Marcos Herrero,F (1885) - Mittermaier,Christian, World Senior, 2018. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.c4 d6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 e5 7.d3 c6 8.0-0)

9.a3 Nc7 10.Nbd2 Qe7 11.c5 dc5 12.Be5 cb4 13.ab4=.

9.a3 Nc7 10.Nbd2 Re8 11.c5 dc5 12.Ne5 (12.bc5!? e4 13.Ne4 Ne4 14.Bg7 Kg7 15.de4 Qd1 16.Rfd1 Re4 17.e3=) 12...cb4+= 13.ab4 Ncd5 (13...Ng4 14.Nc6 bc6 15.Bg7 Kg7 16.Bc6=) 14.Qb3 Be6 (14...Ng4 15.Ng4 Bg4 16.Bg7 Kg7 17.e3+=) 15.Ndc4 b5 (15...Qc7 16.e4 Nb6 17.Qc2+=) 16.Nc6+/– bc4 17.dc4 Qb6 18.cd5+– Nd5 19.Bg7 Kg7?? 20.Bd5 Bd5 21.Qd5 1–0. pereira – oppo, internet, 2009.

9.a3 Nc7 10.Nbd2 h6 11.Ne4 (11.c5 dc5 12.bc5 Nd7=) 11...Ne4 12.de4 Bg4 13.h3 Bf3 (13...Be6 14.Qd3=) 14.Bf3+= a6 15.a4 (15.Qd3 Qf6+=) 15...Ne6 (15...a5 16.b5=) 16.e3 ½–½. tsodikovich (1885) – chiccogiancarlo1 (1700), gameknot.com, 2018.

9.Nc3 Nb4–/+ 10.a3 Na6 11.e4 Nc7 12.Re1 Bd7 13.Qb3 Rb8 14.Rad1 c5 15.Nd5 (15.a4 Bg4–/+) 15...Nfd5 16.ed5 f5 17.Bc1 Ne8 (17...b5 18.Qc2–+) 18.Ng5–/+ h6 19.Ne6 Be6 20.de6 b6 (20...Nc7 21.Bd5 Qe7 22.Be3–/+) 21.Bd5 Kh7 22.f4 Qe7 23.Bb2 ef4 24.Bg7 (better 24.gf4!? Bb2 25.Qb2–/+) 24...Ng7–+ (24...Qg7?! 25.e7 Qd4 26.Kg2–/+; 24...Kg7?! 25.gf4 Nc7 26.d4=+) 25.gf4 Qf6 (25...Nh5 26.d4 Nf4 27.Qf3–+) 26.e7? (better 26.Qa4 a5 27.d4=+) 26...Rfe8–+ 27.Qa4 Re7 28.Re7 Qe7 29.Kf2 (29.Kh1 Nh5 30.Rf1 Re8–+) 29...Qh4 (29...Re8 30.Rf1–+) 30.Kg1 Qe7 (30...Re8!? 31.Rf1 Re1 32.Re1 Qe1 33.Kg2 Qe2 34.Kg1 Qg4 35.Kh1 Qf4 36.Qd1–+) 31.Qc2?? (31.Kf2 Re8 32.Rf1–+) 31...Qe3 32.Qf2 Qf2 33.Kf2 Re8 34.Rb1 (34.Rg1 Re7–+) 34...Nh5 35.Kf3 Nf6 36.Bc6 Re7 37.a4 (37.Rd1 Ng4 38.Rd2 g5–+) 37...Rc7 (37...g5 38.h3–+) 38.Bb5 d5 39.Re1 dc4 (39...d4 40.h3–+) 40.dc4 Ne4 41.Rd1 Kg7 42.a5 (42.Rd8 Re7–+) 42...Nc3 (42...ba5 43.Ra1–+) 43.Ra1 (better 43.ab6 ab6 44.Rd6–+) 43...Nb5 44.cb5 1–0. gbsrao (2420) – coora (2365), net–chess.com, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.0-0 d6 7.c4 e5)

9.a3 a5 10.Nc3 Be6 11.c5 Qc7 12.cd6 Qd6 13.Ng5 Bf5 14.b5 h6 15.Nge4 Ne4 16.Ne4 Be4 17.Be4 cb5 18.Qb3 Qb6 19.Rfb1 Na6 20.Bc1 Nc7 21.Be3 Qd6 (21...Qa6 22.Rc1 a4 23.Qb4=) 22.Rc1+= Rfd8 (22...a4 23.Qa2 Ne6 24.Rab1+=) 23.Rc5 (23.Bg6 Nd5 24.Be4 Ne3 25.fe3 Qb6+/-) 23...Bf8 24.Qc2 Ne6 (24...Rd7 25.Bb7 Rb8 26.Bc6+=) 25.Rb5+/- Nd4 26.Bd4 Qd4 27.Qa2 Ra6 28.Rb7 Rf6 (28...Rd7!? 29.e3 Qa4+/-) 29.e3+- Qc3 (29...Qd6 30.Bg6 Rd7 31.Rd7 Qd7 32.Be4+-) 30.Bg6 (30.Bg6 Kh8 31.Be4+-) 1-0. Aczel,G (2540) - Ongut,Tamas Gunes (2330), ch-Kumania, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6 8.c4)

9.a3 a5 10.c5 dc5+= 11.Ne5 ab4 12.Nd2 Qc7 (better is 12...ba3!? 13.Ba3 Re8+=) 13.ab4+= Ra1 14.Qa1 Nd5 (better is 14...cb4!? 15.Nc6 bc6 16.Bf6 Bf6 17.Qf6 Re8+=) 15.bc5+/– Re8 16.Ndc4 Nd7 (16...f6!? 17.e4 Nb4+/–) 17.Nd7 Bb2 18.Qb2 (18.Nb2?! Qd7 19.e3 Qe7+–) 18...Bd7 19.Nd6 Rb8 20.Qe5 (20.Bd5 cd5 21.Qe5 Re8 (21...Qc5?? 22.Ne4 Qc6 23.Qb8 Kg7 24.Qe5 Kf8 25.Nf6+–) 22.Qd5 Re6+–) 20...Re8 21.Qb2 Rb8 22.e4 Ne7 23.Qf6 Be6 24.Bh3! Bh3 25.Qf7 Kh8 26.Qf6 (better is 26.Ne8!? Re8 27.Qe8 Kg7 28.Ra1+/–) 26...Kg8= 27.Qf7 Kh8 28.Ne8 Re8 29.Qe8 Kg7 30.Ra1 Qe5 (30...Nc8!? 31.f4 b6+/–) 31.Ra8+– Kh6 32.Qf8 Kh5 33.Qh8 Qh8 34.Rh8 Kh6 35.Rb8 Kg5 36.Rb7 Kf6 37.f3 h5 38.Kf2 Bc8 39.Ra7 Ke6 40.h4 Bd7 41.Ke3 Ng8 42.d4 Nf6 43.Kd3 Be8 44.Kc4 Bf7 45.d5! cd5 46.ed5 Nd5 47.Rf7! Ne3 (47...Kf7 48.Kd5 Deflection (48.Kd5 Overloading)) 48.Kd3 Kf7 (48...Nd5 49.Rg7 Kf6+–) 49.Ke3 1–0. Auger,Bertrand (2060) – Laflamme,Simon (1870), Quebec Montcalm op 2nd, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

9.a4 Qb4 10.Ba3 Qa5 11.Bd6 Re8 12.Nbd2 e4 13.Ne4 Ne4 14.de4 Re4 15.Rb1 Na6 16.e3 Rc4 17.Nd4 Qd8 (worse is 17...Qa4 18.Nc6 Bf6 19.Ne5 Qd1 20.Rfd1+/–) 18.Qb3?? (better is 18.Nf3+=) 18...Rd4–+ 19.ed4 Qd6 20.d5 c5 21.Rfe1 Nc7 22.Qe3 Bf6 23.Qf4 Qf4 24.gf4 Rb8 25.d6 Ne6 26.Bc6 b6 27.a5 Bd8 28.Re5 Kg7 29.Rd1 Bb7 30.Be8 Nd4 (30...Nd4 31.ab6 Nf3 32.Kf1 Nh2 (worse is 32...Ne5 33.ba7 Ra8 34.fe5–+) 33.Kg1 Nf3 34.Kf1 Ne5 35.ba7 Ra8 36.fe5 Ra7–+) 0–1. Woods,C (1995) – Kocheev,A (2245), World Youth U18, Antalya TUR, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.Bb2 e5 5.g3 Bg7 6.Bg2 c6 7.0-0 0-0 8.d3)

9.Qc2 Nbd7 10.a4 a5 11.ba5 Qa5 12.Nbd2 Nc5 13.Bc3 Qc7 14.a5 Bg4 15.Rfb1 Rae8 16.Qb2 Nh5 17.Nb3 Nb3 18.Qb3 Bc8 19.Nd2 Kh8 20.Qb6 Qb6 21.Rb6 Re7 22.a6! ba6 23.Rc6 Rd8 24.Ba5 Rde8 25.Rb1 Rd7?? 26.Rb8 (26.Rb8 Bf8 27.Rcc8 Rc8 28.Rc8+–) 1–0. Arnaudov,Petar – Benoit,Michel, WchT U26, 1968.

9.Qc2 Nbd7 10.Bc3 Re8 11.Nbd2 d5 12.e4 (12.a4 d4 13.a5 Qc7=) 12...Qc7 13.cd5 cd5 14.Rfc1 Qd6 15.a4 Qe7 16.b5 b6 17.Bb2 (17.a5 ba5 18.Ra5 Bb7=) 17...Bb7 18.Ba3 Qd8 (18...Qe6 19.Qc7 Reb8 20.Bb2=) 19.Qc7 Rb8 20.Qd8 Red8 21.Bd6 Rbc8 22.Ne5 Ne4 (22...Ne8 23.Rc8 Rc8 24.Nd7 Ba1 25.Bf4–/+) 23.de4 (worse 23.Be4 Ne5 24.Rc8 Rc8–+ (24...Bc8?! 25.Bc7 Re8 26.Bd5=+); worse 23.Ne4 Ne5 (23...Be5?! 24.Rc8 Bc8 25.Be5 Ne5 26.Nf6 Kg7 27.Nd5=) 24.Rc8 Rc8 (worse 24...Bc8 25.Be7 Nd3 26.Rd1=) 25.Be5 Be5–/+) 23...Ne5 (worse 23...Be5 24.Rc8 Rc8 A) 25.ed5?? Ba1 (25...Bd6?! 26.Ne4 Be5 27.Rd1–+) 26.Be7 Bf6 27.Bf6 Rc1 28.Nf1 Nf6–+; B) 25.Be5 Ne5 26.ed5+–) 24.Be7 (24.Rc8 Rc8 25.Be5 Be5=) 24...Re8 (better 24...Nd3!? 25.Rc8 Rc8–/+) 25.Rc8= Bc8 (25...Rc8 26.ed5 Nf3 27.Bf3 Ba1 28.d6 Bf3 29.Nf3 Rc1 30.Kg2=+) 26.Rc1+= Nd3 (26...Bd7 27.Bh4 de4 28.Ne4+=) 27.Rc7+– Bd4 (27...Be5 28.Ra7 Bb8 29.Ra8+–) 28.ed5 Nf2 (28...Bf2!? 29.Kh1 Bc5 30.Bc5 Nc5+–) 29.Nb3 Be3 30.Kf1 Bf5 (30...Ng4 31.d6 Be6 32.Bh3 Nh2 33.Kg2+–) 31.Ke2 (worse 31.Ra7 Rc8 32.Ke2 Ng4+–) 31...Bg5 32.d6 (32.Kf2?! Be7 33.Bf3 Kg7+–; 32.Ra7?! Re7 33.Re7 Be7 34.Kf2 Bc2+–) 32...Ne4 (32...Nh3+–) 33.Be4 Be4 (33...Be7 34.Re7 Bg4 35.Ke3 Kf8 36.Re8 Ke8 37.Bc6 Kd8+–) 34.Bg5 (34.Bg5 Bf5 35.Kf2+–) 1–0. Argente Rodriguez,JJ (2125) – Fernandez Lledo,J (2060), Madrid–ch sf–B, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0 Qb6)

9.Qd2 =.

9.Nc3 d5 10.cd5 cd5 (10...Nd5 11.Qb3 Rd8 12.b5 h6 13.Nd5 cd5) 11.Rc1 Qe7 12.a3 Rd8 13.e3 Bg4.

9.Nc3 Nbd7 10.Qd2 h6 11.Rfc1 Re8 12.e3 Nf8 13.d4 (13.Ne4 Ne6=) 13...Bg4 (better is 13...e4!? 14.Ne1 Bf5+=) 14.h3+= Bf3 15.Bf3 e4 16.Bg2 Qd7 17.Qc2 (17.d5 cd5 18.cd5 Rac8+=) 17...d5 18.c5 (18.cd5 cd5 19.Qa4 Red8+=) 18...N6h7 19.Qe2 f5 20.Rcb1 Ne6 21.Bc1 a6 22.Na4 Qc7 23.Nb6 Rab8 24.a4 Nhf8 25.b5 ab5 26.ab5 Nd7 27.Nd7 Qd7 28.Ra7 Qc8 29.bc6 bc6 30.Rb6 Ra8 31.Qa2 Ra7 32.Qa7 Nd8 33.Rb8 Qe6 34.Qa8 Bf6 35.Bd2 Kf8 36.Bf1 Qd7 37.Ba5 Ne6 38.Kg2 Rb8 39.Qb8 Kf7? 40.Ba6+– Qe8 41.Qb7 Kg8+/– 42.Qa7 g5 43.Bb7 f4 44.Qa8 Qa8 45.Ba8 Bd8 46.Bb6 1–0. Belz,Frank_Martin – Dehning Busse,K (1825), Wiesbaden GER, 2011. (=1.Nf3 Nf6 2.c4 d6 3.g3 g6 4.b4 Bg7 5.Bb2 e5 6.d3 0-0 7.Bg2 c6 8.0-0)

9.Nc3 Be6 A) 10.Qd2 Nbd7 (10...h6 11.b5 Nbd7 12.Rfb1 a6 13.bc6 bc6) 11.Ng5 Bf5 12.b5 a6 13.e4 Bg4; B) 10.b5 a6 (10...h6 11.Qd2 Nbd7 12.Rfb1 a6 13.a4 d5; 10...Nbd7 11.Ng5 a6 12.Ne6 fe6 13.a4 Nc5; 10...Rc8 11.Ng5 Bf5 12.Rb1 h6 13.bc6 bc6) 11.a4 Nbd7 12.Ng5 Bf5 13.f4 Ng4; C) 10.Ng5 Nbd7 (10...Bg4 11.h3 Bd7 12.Qd2 h6 13.Nf3 a5; 10...Bd7 11.Qd2 h6 12.Nf3 Be6 13.b5 Nbd7) 11.Ne6 fe6 12.a4 h6 13.a5 d5.

9.Nc3 Re8 A) 10.a3 Bf5 11.e4 Be6 12.Qe2 Nbd7 13.Ng5 Bg4; B) 10.h3 d5 (10...h6 11.Qd2 Be6 12.Qe3 Nbd7 13.b5 d5; 10...Nbd7 11.b5 a6 12.a4 d5 13.cd5 cd5) 11.cd5 Nd5 12.Qb3 Nf6 13.Rac1 Be6; C) 10.Qc1 Be6 (10...Qe7 11.e4 Nbd7 12.a3 a5 13.Qd2 h6; 10...Na6 11.b5 Nc5 12.d4 ed4 13.Nd4 Ne6; 10...Bg4 11.h3 Bf3 12.Bf3 Qd7 13.g4 h6; 10...Bf5 11.e4 Be6 12.Qe3 h6 13.a3 Nbd7) 11.Ng5 Bf5 12.a3 h6 13.Nge4 Ne4; D) 10.a4 Bf5 (10...h6 11.b5 Be6 12.a5 d5 13.b6 Qd8; 10...Bd7 11.b5 a6 12.Qb3 Bg4 13.h3 Bd7; 10...d5 11.cd5 Nd5 12.Nd5 cd5 13.Qb3 d4) 11.b5 Nbd7 12.e4 Be6 13.Ng5 Bg4.

9.Nc3 Bf5 A) 10.b5 Nbd7 (10...Re8 11.h3 h6 12.Qd2 a6 13.g4 Bd7; 10...d5 11.bc6 bc6 12.cd5 cd5 13.Qb3 Nc6; 10...a6 11.a4 Nbd7 12.Qd2 Nc5 13.Qe3 Ng4; 10...Rc8 11.Qd2 a6 12.a4 d5 13.ba6 ba6) 11.h3 h6 12.g4 Be6 13.g5 hg5; B) 10.a4 Re8 (10...Na6 11.b5 Nc5 12.a5 Rfc8 13.d4 Ne6; 10...a5 11.b5 Nbd7 12.Rb1 Rae8 13.Nd2 h6) 11.e4 Be6 12.a5 Na6 13.Qb3 c5.

9.Nc3 Bg4 10.h3 Be6 11.Ng5 Bd7 12.d4 a5 13.a3 h6.

9.Nbd2+= Bg4 (9...Re8 A) 10.a3 Nbd7 11.Rc1 a5 12.b5 Qb6 13.bc6 Qb2; B) 10.a4 h6 (10...Na6 11.b5 Nc5 12.d4 Ncd7 13.e3 a6; 10...Bd7 11.b5 a6 12.Qb3 Be6 13.d4 Nbd7) 11.e4 Na6 12.Bc3 g5 13.Ne1 Be6; C) 10.Qb3+= Nbd7 (10...Na6 11.a4 Bd7 12.Rfd1 d5 13.cd5 cd5; 10...a5 11.b5 Nbd7 12.a4 h6 13.Qd1 Nc5) 11.a4 a5 12.b5 h6 13.Qc2 cb5; 9...Nbd7 A) 10.a3 Re8 (10...d5 11.cd5 cd5 12.Rc1 Qd6 13.Rc2 Re8; 10...h6 11.e4 c5 12.Rb1 a6 13.Qc2 b6) 11.Re1 d5 12.Rc1 Qd6 13.cd5 cd5; B) 10.a4 Rd8 (10...d5 11.cd5 cd5 12.Rc1 Qd6 13.Qb3 Re8; 10...a6 11.a5 d5 12.Rc1 Qd6 13.Qb3 Rd8; 10...b6 11.a5 ba5 12.Ra5 Re8 13.Qa1 d5) 11.a5 d5 12.Qc2 Qd6 13.Rfc1 Qe7) 10.Qc2 (10.h3 Bf3 (10...Be6 11.Ng5 Nbd7 12.a4 a5 13.b5 Nc5) 11.Bf3 (11.Nf3 Nbd7 12.a4 d5 13.Rc1 Qd6) 11...Nbd7+= 12.a3 d5 13.Qc2 Qd6) 10...Nbd7 (10...Na6 11.a3 Rfe8 12.h3 Be6 13.c5 dc5; 10...Re8 11.h3 Bd7 12.a3 a5 13.Bc3 a4; 10...a5 11.c5 Nd5 12.cd6 Qd6 13.ba5 Qe6) 11.h3 Bf3 (11...Bf5 12.g4 (12.a4 a5 13.b5 cb5) 12...Be6 13.Ng5+= (13.a3 a5) 13...a5; 11...Be6 12.a3 a5 13.d4 Rae8) 12.Bf3 (12.Nf3 d5 13.cd5 Nd5) 12...c5 (12...Rfe8!?+= 13.a3 a5; 12...a5 13.a3 Rfe8) 13.a3+– Rac8 (13...Rfc8+=) 14.Qb3 b6 (14...Rfe8+–) 15.a4 (15.b5!?+–) 15...cb4+= 16.Qb4 a5 (16...Rb8 17.Ne4 Nc5 18.Nf6 Bf6 19.Bc3+=) 17.Qb5 Qc5 18.Qb3 Qc7 19.Rfb1 Nc5 20.Qb5 Nfd7 (20...e4 21.Ne4 Nce4 22.de4 Qc4 23.Qb6 Ne4 24.Bg7 Kg7 25.Qa5+=) 21.Bd5 Nf6 22.Bg2 Nfd7 (22...Rfe8 23.Bc3 e4 24.Qb2 ed3 25.Bf6 Bf6 26.Qf6 de2 27.Bd5+–) 23.Ra2 (23.Bc3 Bf6+–) 23...f5 (23...Ne6 24.Nb3+–) 24.Bd5 Kh8 25.Ba3 (25.Bc3 Nf6 26.Bg2 Rb8+–) 25...f4 (25...Nf6 26.Bg2+–) 26.Bc5 (26.g4 Nf6+–) 26...bc5 (26...Nc5 27.gf4 Rf4 28.Qb6+=) 27.Qb7 (27.Be6 Rcd8 28.g4 e4 29.de4 Bc3+–) 27...Nf6 (27...Qd8!? 28.Be6 Rc7+=) 28.Qc7+– Rc7 29.Rb6 (29.g4 Ra7+–) 29...Nd5 (29...fg3 30.fg3 Rd7 31.Bc6+–) 30.cd5 fg3 31.f3 (31.fg3 c4 32.Ne4 cd3 33.ed3 Bh6 34.Rd6 Rf3+–) 31...Rd8 (31...c4!? 32.dc4 Bh6 33.Rd6 Bd2 34.Rd2 Rc4+–) 32.Nc4+– Bf8 (32...Ra7!?+–) 33.Na5+– Rf7 (33...Ra8 34.Nc4+–) 34.Nc6 (34.Kg2 Ra8 35.Nc4 Rd7+–) 34...Ra8 (34...Rc8 35.Kg2+–) 35.a5 Be7? (35...Bh6 36.a6 Be3 37.Kg2 c4+–) 36.a6 (better 36.Rb7 Kg7 37.Re7 Re7 38.Ne7+–) 36...Bd8 (36...c4 37.a7 c3 38.Rb8 Rf8+–) 37.Nd8 Rd8 38.a7 (38.a7 Rff8 39.Rab2+–) 1–0. Wiegel – Lange,M, Baunatal, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6 8.c4 Qc7)

9.Qb3 Na6 10.Nc3 Nc7 11.a4 a6 12.a5 Re8 13.e4 Qc8 14.Na4 Bh3? (better is 14...Qd8+=) 15.Nb6+– Qg4 16.Na8 Bg2 17.Kg2 (17.Nc7 Qf3 18.Qd1 Rc8+=) 17...Ne6 18.Bc1?? (18.Ne5 de5 19.f3 Qg5+–) 18...Nh5?? (better is 18...Qf3! 19.Kf3 Nd4 20.Kg2 Nb3–/+) 19.Ng1 Nhf4? 20.Bf4 ef4 21.f3 Qh5 22.g4 Qh4 23.Ra2 Ra8+/– 24.Qc2 Bd4 25.Qc1 Ng5 26.Qf4?? Be5–+ 27.Qg3 Bg3 28.hg3 Qh6 29.f4 Ne6 30.f5 Nd4 31.Rf4 g5 32.Rf1 f6 33.Nf3 Nf3 34.Kf3 Rc8 35.d4 Qf8 36.Rb2 Qf7 37.Rc1 Kg7 38.Rh2 Rh8 39.Rh5 Qe7 40.Rhh1 Re8 41.Rce1 Kg8 42.Rh6 Kg7 43.Rhh1 Qc7 44.Rb1 Re7 45.Rhc1 c5 46.bc5 dc5 47.d5 Qe5 48.Re1 Qc3 49.Kg2 Qc4 50.Rb6 Qc2 51.Kf3 c4 52.Re2 Qd3 53.Kf2 c3 54.e5 Re5 55.Rb7 Kh6 56.Re5 fe5 57.Rb6 Kg7 58.Rb7 Kf8 59.Rb8 Ke7 60.Rb7 Kd6 61.f6 Qd2 62.Kf3 Qd5 (62...Qd5 63.Ke2 c2 64.Rb4 Qg2 65.Kd3 c1Q 66.Rb6 Kc5 67.Rb5 Kb5 68.f7 Qf3) 0–1. Hoellger,Herbert (1910) – Busic,Nedjeljko (1860), Hessen–ch Seniors 2nd, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bg2 Bg7 5.Bb2 c6 6.c4 0-0 7.0-0 e5 8.d3 Bd7)

9.Qc2 Na6 10.a3 Qe7 11.Nbd2 Rae8 12.e4 Ng4 13.Rae1 (13.h3 Nf6=) 13...Nc7 (13...f5 14.ef5 Bf5 15.h3=) 14.d4 b6 (14...ed4 15.Nd4 c5 16.N4f3+=) 15.h3+= Nh6 16.de5 de5 17.Nb3 f6 18.c5 Ne6 19.cb6 ab6 20.Rd1 Rc8 (20...c5 21.bc5 bc5 22.Bc1=) 21.Qd3 (21.Rd2 c5 22.bc5 bc5=) 21...Rfd8= 22.Qd6 (22.Qa6 b5=) 22...Bf8 (22...Qf7 23.Qd3=+) 23.Qe7= Be7 24.Rd2 (24.Bc1 Nf7=+) 24...c5=+ 25.bc5 bc5 26.Na5 Nd4 ½–½. Ellis – Haasse, Perth, 1994.

9.Nc3 Na6 10.a3=.

9.Nc3 Qc8 10.c5 dc5 11.bc5 (worse 11.Ne5 cb4 12.Ne4 Ne4 13.Be4 Bh3–/+) 11...Re8 12.Ng5 Na6 13.Nce4 Ne4 14.Ne4 Re7 (14...Qc7 15.Qa4+=) 15.Qc2 Rb8 (15...Qc7 16.Rab1+=) 16.f4+– Bh3? (16...Qf8!? 17.fe5 Re5 18.Be5 Be5 19.Nf6 Bf6 20.Rf6 Nc5+–) 17.fe5 (17.Be5!? Re5 18.fe5 Be5 19.Bh3 Qh3+–) 17...Bg2 18.Kg2 Be5 (18...Qe6!? 19.Ng5 Qg4+–) 19.Be5+– Re5 20.Qc3 (20.Nf6!? Kg7 21.Qb2 Qe6+–) 20...Qe6+– 21.Rf6 (better 21.Nf6!? Kg7 22.Ng4+–) 21...Qe7= The pressure on c5 grows 22.Raf1 Rf8 23.R6f2 f5 (worse 23...Nc5 24.Nf6 Kg7 25.Qb2+–) 24.Nd6 (24.Qb3!? Kg7 25.Qb2=) 24...Rc5 (24...Nc5!? 25.d4 Ne4 26.Qb3 Rd5 27.Ne4 Qe4 28.Kg1 Rf7–/+) 25.Qb3 Kg7 (25...Rd5!? 26.Ne4 Qb4=+) 26.Qb2 Kg8 27.Qb3 (27.Nb7? Rb5 28.Qc3 Qb7–+ (28...Rb7?! 29.Qc4 Rf7 30.Qa6=)) 27...Kg7 (27...Rd5 28.Qb7 Qb7 (28...Qd6?! 29.Qa6 Rb5 30.Qa7=) 29.Nb7 Rb8–/+) 28.Qb7= Qb7 29.Nb7 Rb5 30.Nd6 Rb2 31.a3 (31.e4 Rf2 32.Rf2 fe4 33.de4 Rf2 34.Kf2 Nb4=) 31...Rd8= 32.Nc4 Rb7 (32...Rc2 33.e4 Rf2 34.Rf2=) 33.Ne5 c5 (33...Rd6 34.Rc1+=) 34.g4 (34.e4 c4 35.Nc4 fe4 36.de4+=) 34...Re8 (better 34...Rd5!? 35.Nc4 fg4=) 35.Nc4+– Rd7 (35...Re6!? 36.gf5 gf5+–) 36.gf5+– gf5 37.e3 (37.Rf5 Re2 38.Kf3 A) 38...Rh2?? 39.Rg1 Kh6 40.Rf6 Kh5 41.Ne5+– (41.Ra6?! Rd3 42.Kf4 Rh4 43.Ke5 Rc4=); B) 38...Re6+–) 37...Rf8 (37...Rd3 38.Rf5 Rc3+–) 38.Ne5+– Rd5? (better 38...Re7 39.Rf5 Rf5 40.Rf5 Nc7+–) 39.Rf5 Rf5 40.Rf5 c4 41.dc4 Rd2 42.Rf2 Rd1 (42...Rf2 43.Kf2 Nc5+–) 43.Rf7 Kh6 (43...Kg8 44.Ra7 Nc5+–) 44.Rf6 (44.Rf6 Kg5 45.Ra6+–) 1–0. Kvisla,Johannes Luangtep (2160) – Odeh,Kenneth (2010), 8th Gibraltar Challengers–A, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 e5 7.d3 c6 8.0-0 Bd7)

9.Nbd2 Qc8 10.Qc2 Na6 11.Ng5 Nb4 12.Qb3 Na6 13.Nge4 Ne4 14.Ne4 Nc5 15.Nc5 dc5 16.Rab1 b6 17.f4 Qc7 18.fe5 Be5 19.Be5 Qe5 20.Qb2 Qe3 21.Kh1 Rae8 22.Rbe1 Re6 23.Rf3 Qd4 24.Qd2 Rfe8 25.Rf4 Qe3 26.Qb2 f5 27.a4 Rd6 28.Rf3 Qd4 29.Qa2 Re7 30.Rf4 Qc3 31.Qb1 Re3 32.Rf2 Kf7 33.Bh3? Kg7 34.Rg1 Rde6 35.Qd1 Qe5 36.Re1 Re7 37.Bf1 g5 38.Qa1 Qd4 39.Rf3 Kg6 40.Rf2 Rg3?? 41.Qd4+– cd4 42.hg3 c5 43.Ra1 h5 44.Bg2 h4 45.gh4 Rh7 46.a5 Rh4 47.Kg1 b5 48.cb5 Bb5 49.Bd5 g4 50.Rb1 a6 51.Bc4 Bc6 52.Rh2 Rh2 53.Kh2 Kg5 54.Rb6 Ba4 55.Ra6 Bd1 56.Re6 f4 57.Bd5 Kf5 58.Re8 f3 59.Kg3 fe2 60.Be6 Kg5 61.Bd5 Kf6?? 62.a6+– c4 63.Re6 Kf5 64.Bc4 (64.Bc4 e1R 65.Re1+–) 1–0. Garcia Lechugo,Francisco – Matto,M (1885), 6th Gibtelecom Masters, Gibraltar ENG, 2008. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Bg2 c6 7.0-0 e5 8.d3)

9.Nbd2 Qc8 10.Ng5 h6 11.Nge4 Ne4 12.Ne4 d5 13.cd5+= cd5 14.Rc1 Qd8 15.Nc3 Be6= 16.b5 a6 17.a4 ab5 18.Nb5 Nc6=+ 19.Ba3 Re8 20.Nd6 Re7 21.Nb7 Rb7 22.Rc6 Rba7 ½–½. Auger,Bertrand (1930) – Marquis,Paul (1875), Montcalm IV Quebec CAN, 2005.

9.Nbd2 Re8 10.d4 =.

9.d4 e4 10.Nfd2 d5 =.

9.a4 a6 10.a5 A) 10...c5 A1) 11.Qa4 Qe7 (11...cb4 12.Qb4 Qe7 13.Nc3 Nc5 14.Rfe1 Bg4 15.Nd5 Nd5 16.cd5 Bd7; 11...e4 12.de4 Ne4 13.Bg7 Kg7 14.Nfd2 Nef6 15.Nc3 Ne5 16.bc5 dc5; 11...Re8 12.Nbd2 Qc7 13.Ng5 cb4 14.Qb4 Nc5 15.Nde4 Bg4 16.Rfe1 Rab8; 11...Qc7 12.Nc3 cb4 13.Qb4 Nc5 14.Nd5 Nd5 15.cd5 Qe7 16.Ne5 Be5) 12.Nc3 cb4 13.Qb4 Nc5 14.Rfe1 Re8 15.Ng5 Bf5 16.Nge4 Nce4; A2) 11.Nbd2 cb4 (11...Qc7 12.Qa4 cb4 13.Qb4 Nc5 14.Ng5 Bg4 15.Rae1 Rab8 16.h3 Bd7) 12.Qb3 Nc5 13.Qb4 Qc7 14.Ng5 Bg4 15.Rfe1 Rab8 16.Rab1 b5; A3) 11.bc5 Nc5 (11...e4 12.de4 Nc5 13.Nfd2 Re8 14.Qc2 Nfe4 15.Bg7 Nd2 16.Nd2 Kg7) 12.Nc3 Bg4 13.Ng5 Qe7 14.Qc2 Rac8 15.Na4 Nfd7 16.Nc5 Nc5; A4) 11.Qb3 cb4 (11...e4 12.de4 Ne4 13.Nc3 Ndf6 14.Rfd1 Re8 15.Ne4 Ne4 16.Bg7 Kg7; 11...Qe7 12.Nc3 cb4 13.Qb4 Nc5 14.Rfe1 Re8 15.Ng5 Bd7 16.Nge4 Nce4; 11...Qc7 12.Nc3 cb4 13.Qb4 Nc5 14.Nd5 Nd5 15.cd5 Qe7 16.Rac1 Bf5; 11...Re8 12.Nc3 cb4 13.Qb4 Nc5 14.Ng5 Bg4 15.Rfe1 Rb8 16.h3 Bd7) 12.Qb4 Nb8 13.Nc3 Nc6 14.Qa3 Bg4 15.h3 Bf5 16.Nd5 Re8; B) 10...Nh5 B1) 11.Qb3 Qe7 (11...Ndf6 12.Nbd2 Qe7 13.c5 dc5 14.bc5 Be6 15.Qc2 Nd7 16.Ne4 Rad8; 11...Qc7 12.Nc3 Ndf6 13.Na4 Rb8 14.Nb6 Bf5 15.h3 Be6 16.Ng5 Nd7; 11...Re8 12.Nc3 Ndf6 13.Na4 Rb8 14.Nb6 Bh6 15.Nc8 Qc8 16.Qc2 Qg4) 12.Nbd2 Rd8 13.e3 Nhf6 14.e4 Nh5 15.Rfd1 Ndf6 16.d4 ed4; B2) 11.Qd2 Ndf6 (11...Qe7 12.Nc3 Ndf6 13.h3 Bd7 14.e3 e4 15.Ne1 d5 16.g4 Bg4; 11...Qc7 12.Nc3 Ndf6 13.Na4 Rb8 14.Nb6 Re8 15.Ng5 Bh6 16.Rfe1 Ng4; 11...Rb8 12.Nc3 Ndf6 13.d4 Qe7 14.de5 de5 15.Rfd1 Bf5 16.Qd6 Qd6; 11...h6 12.Nc3 Ndf6 13.Na4 Bf5 14.c5 e4 15.Nd4 ed3 16.ed3 dc5; 11...Re8 12.Nc3 Qe7 13.Rfe1 Ndf6 14.Na4 Be6 15.Nb6 Rad8 16.Qg5 h6) 12.Nc3 Qe7 13.Na4 Bf5 14.h3 Be6 15.Nb6 Rad8 16.Qg5 h6; B3) 11.Qc2 Ndf6 (11...Qe7 12.Nbd2 c5 13.Qb3 cb4 14.Qb4 Nc5 15.Nb3 Rd8 16.Qc3 e4; 11...Re8 12.Nc3 Qe7 13.Na4 Nhf6 14.Rfd1 d5 15.Qb3 d4 16.Nd2 Qe6; 11...Qc7 12.Nc3 Ndf6 13.Na4 Bf5 14.Nb6 Rae8 15.e4 Be6 16.Ng5 Nd7) 12.Nbd2 Re8 13.d4 ed4 14.Qb3 Re2 15.Bd4 c5 16.bc5 dc5; B4) 11.Nc3 Qe7 (11...Ndf6 12.Na4 Rb8 13.Nb6 Bg4 14.h3 Be6 15.Ng5 Nd7 16.Ne6 fe6; 11...Rb8 12.Qc2 Re8 13.e3 Ndf6 14.h3 e4 15.de4 Ne4 16.Ne4 Bb2; 11...Qc7 12.Na4 Nhf6 13.Qb3 Re8 14.Ng5 h6 15.Ne4 Ne4 16.de4 Rb8; 11...Re8 12.Qd2 Qe7 13.Rfe1 Ndf6 14.Na4 Be6 15.Nb6 Rad8 16.e4 Nd7; 11...h6 12.Qc2 Re8 13.Na4 Rb8 14.e4 Qe7 15.Rfe1 Nf8 16.Nb6 Ne6) 12.Na4 Nhf6 13.Qd2 d5 14.Rfc1 e4 15.Nd4 dc4 16.dc4 Rd8; C) 10...d5 C1) 11.Nc3 d4 (11...e4 12.de4 Ne4 13.Qc2 Bc3 14.Bc3 Ndf6 15.Nd4 Nc3 16.Qc3 Be6) 12.Na4 Qe7 13.Qd2 Ng4 14.Qg5 Ngf6 15.Ba3 Qd6 16.Qd2 h6; C2) 11.Qc2 Qe7 (11...e4 12.de4 de4 13.Ng5 Qe7 14.Ne4 Ne4 15.Bg7 Kg7 16.Be4 Qb4; 11...Qe8 12.Nbd2 Qe7 13.e4 Re8 14.cd5 cd5 15.Qb3 Bf8 16.Ba3 Qd6; 11...Re8 12.Nbd2 Qe7 13.Qb3 Rd8 14.Rad1 d4 15.c5 Nd5 16.Nc4 Qe6) 12.Nbd2 e4 13.de4 de4 14.Ng5 e3 15.Nde4 h6 16.Nh3 Ne4; C3) 11.Qb3 e4 (11...Qe7 12.Nbd2 Rd8 13.Rfd1 d4 14.Re1 Nf8 15.h3 Bh6 16.Rad1 N8d7; 11...Re8 12.Nbd2 Qe7 13.Rfe1 e4 14.de4 de4 15.Ng5 c5 16.Nge4 cb4; 11...d4 12.Nbd2 Qe7 13.c5 Nd5 14.Nc4 Rd8 15.Rfe1 Rb8 16.Ra3 Ra8) 12.de4 Ne4 13.Nc3 dc4 14.Qc4 Nd6 15.Qd3 Qe7 16.Rfd1 Nb5; D) 10...Qe7 D1) 11.Nbd2 Re8 (11...d5 12.Qb3 d4 13.c5 Nd5 14.Nc4 Qe6 15.Rfe1 Rd8 16.e4 de3; 11...Rd8 12.Qb3 Nf8 13.c5 dc5 14.bc5 Be6 15.Qc2 N8d7 16.Rfc1 Bd5; 11...c5 12.b5 Nh5 13.Qb3 Ndf6 14.Ng5 ab5 15.cb5 Ng4 16.Ngf3 Be6; 11...Nh5 12.Qb3 Rb8 13.Ne4 Nhf6 14.Nc3 Nh5 15.e3 Ndf6 16.h3 e4) 12.Qc2 d5 13.Qb3 Rd8 14.Rfd1 d4 15.Re1 Nf8 16.h3 Bh6; D2) 11.Nc3 Re8 (11...Nh5 12.Na4 Nhf6 13.Qd2 d5 14.Rfd1 Rd8 15.Ra3 Rb8 16.Qc3 Qe6; 11...Rd8 12.Qc2 d5 13.cd5 cd5 14.Qb3 Nb8 15.b5 d4 16.Ba3 Qe6; 11...e4 12.Ne4 Ne4 13.Bg7 Kg7 14.de4 Nf6 15.Ra3 Bg4 16.Re3 Bf3; 11...d5 12.cd5 cd5 13.Qb3 d4 14.Na4 Re8 15.Rfc1 Bh6 16.Rc2 Qe6) 12.e3 Nf8 13.Na4 N8d7 14.Nh4 d5 15.Qb3 dc4 16.dc4 e4; E) 10...Re8 E1) 11.Nbd2 Qe7 (11...Nh5 12.Qb3 Qc7 13.e3 h6 14.h3 Nhf6 15.Nh4 Nf8 16.f4 ef4; 11...Qc7 12.Qb3 c5 13.Ng5 cb4 14.Qb4 Nc5 15.Nde4 Bg4 16.Rfe1 Rab8; 11...d5 12.Qb3 Qe7 13.e4 de4 14.de4 c5 15.b5 Rd8 16.Rfd1 Ne8; 11...c5 12.Qa4 Qc7 13.b5 ab5 14.cb5 d5 15.Nh4 Qd6 16.Rfc1 Nf8) 12.Qc2 d5 13.Qb3 Rd8 14.Rfd1 d4 15.Re1 c5 16.Ra4 cb4; E2) 11.Nc3 e4 (11...c5 12.Qb3 cb4 13.Qb4 Nc5 14.Nd2 Bg4 15.Nb3 Nb3 16.Qb3 Rb8) 12.Ne4 Ne4 13.Bg7 Nf2 14.Rf2 Kg7 15.Qd2 Ne5 16.Nd4 Bg4; F) 10...e4 11.de4 Ne4 (11...c5 12.Nbd2 cb4 13.Qb3 Nc5 14.Qb4 Re8 15.Rfd1 Nce4 16.Ne4 Ne4) 12.Bg7 Kg7 13.Nd4 Ndf6 14.Nd2 Ng5 15.Qc2 Re8 16.Rfe1 Nh3.

9.a4 a6 10.Nc3 A) 10...Re8 A1) 11.Nd2 Nf8 (11...Qe7 12.Qc2 Nf8 13.Nde4 Ne4 14.Ne4 Ne6 15.e3 Ng5 16.Bc3 Be6; 11...Ng4 12.Nde4 Ndf6 13.c5 Bf8 14.h3 Ne4 15.Ne4 Nf6 16.Nf6 Qf6; 11...Qc7 12.a5 Nf8 13.Nde4 Ne4 14.Ne4 Bf5 15.Qb3 Ne6 16.e3 Qe7; 11...a5 12.b5 Qb6 13.Rb1 Nc5 14.bc6 bc6 15.Nce4 Nfe4 16.Ne4 Ne4) 12.a5 Ne6 13.Na4 Rb8 14.Nb6 Ng5 15.Nc8 Rc8 16.Ne4 Ne6; A2) 11.Ng5 Ng4 (11...h6 12.Nge4 Ne4 13.Ne4 Nf6 14.Qb3 Ne4 15.Be4 Be6 16.Rac1 Qd7; 11...a5 12.b5 Qb6 13.Rb1 Nc5 14.Ba3 Qc7 15.bc6 bc6 16.Qd2 Bf5; 11...Qb6 12.Nge4 d5 13.cd5 cd5 14.Nf6 Nf6 15.Nd5 Nd5 16.Bd5 Qb4; 11...Bh6 12.Bc1 Qb6 13.Qb3 Bg5 14.Bg5 a5 15.b5 Kg7 16.Qb1 Qc7) 12.Qd2 Bh6 13.h4 f6 14.f3 Qb6 15.c5 dc5 16.a5 Qa7; A3) 11.a5 e4 (11...Qe7 12.e3 Nf8 13.Na4 N8d7 14.Nd2 d5 15.Qb3 Bf8 16.Ba3 d4; 11...Nf8 12.Na4 Ne6 13.Nb6 Rb8 14.Qc2 Nd7 15.Na4 Qc7 16.Qd2 Nd4; 11...Rb8 12.Qd2 Nf8 13.Na4 Ne6 14.Rfe1 Bd7 15.Nb6 Ng4 16.h3 Nf6; 11...Qc7 12.Qd2 Nf8 13.Na4 Rb8 14.Nb6 N8d7 15.Nc8 Rbc8 16.Rac1 e4; 11...d5 12.cd5 cd5 13.Rc1 b6 14.ab6 Bh6 15.e3 Qb6 16.Qb3 Nc5) 12.Ne4 Ne4 13.Bg7 Nf2 14.Qd2 Kg7 15.Rf2 Ne5 16.Nd4 Kg8; B) 10...Rb8 B1) 11.Rb1 Qe7 (11...Qc7 12.a5 c5 13.Qa4 b6 14.Ba3 ba5 15.Qa5 Qa5 16.ba5 Bb7; 11...Re8 12.a5 Nf8 13.Ne4 Qe7 14.Bc3 Bf5 15.Nh4 Bg4 16.h3 Bd7; 11...b6 12.Ng5 Bb7 13.Nge4 Qe7 14.Qb3 Ne4 15.Ne4 Nf6 16.Bc3 Rfc8) 12.a5 d5 13.cd5 cd5 14.Qb3 d4 15.Nd5 Nd5 16.Qd5 b5; B2) 11.Ba3 Re8 (11...a5 12.ba5 Nc5 13.Bc5 dc5 14.a6 Qa5 15.ab7 Rb7 16.Qd2 Rb3; 11...Qe7 12.Qd2 b6 13.Ng5 Bb7 14.b5 Rfc8 15.Rfb1 Bh6 16.h4 cb5; 11...Qc7 12.Qd2 b6 13.Ng5 Bb7 14.Rac1 h6 15.Nge4 Ne4 16.de4 Nf6) 12.Nd2 Nf8 13.b5 Ne6 14.bc6 bc6 15.Bc6 Bd7 16.Bf3 Qc7; B3) 11.Qd2 a5 12.Ba3 ab4 13.Bb4 Nc5 14.Bc5 dc5 15.Ne5 Ng4 16.Ng4 Bg4; B4) 11.a5 b6 (11...b5 12.ab6 Qb6 13.Na4 Qc7 14.Qd2 c5 15.bc5 dc5 16.Rab1 Bb7; 11...Re8 12.Qd2 Nf8 13.Na4 Ne6 14.Rfe1 Ng4 15.Nb6 Bd7 16.h3 Nf6; 11...Qe7 12.Qb3 Nh5 13.Ne4 Nhf6 14.Qc2 Ne4 15.de4 c5 16.b5 Nf6; 11...Nh5 12.Qc2 Re8 13.Rad1 Qe7 14.e3 Nhf6 15.Rd2 b6 16.ab6 Nb6) 12.ab6 Qb6 13.Na4 Qc7 14.Qd2 c5 15.bc5 dc5 16.Rab1 Bb7; C) 10...a5 11.b5 Qc7 12.Rb1 Nc5 13.d4 ed4 14.Nd4 Bd7 15.Qc2 Rab8 16.Rfd1 Ng4; D) 10...Qb6 11.Ba3 (11.Qc2 a5 12.b5 Nc5 13.bc6 bc6 14.Rab1 Qc7 15.Ba3 Re8 16.Ng5 Bf5) 11...Qc7 (11...a5 12.b5 Qc7 13.Rb1 Re8 14.bc6 bc6 15.Ng5 Nc5 16.Qd2 Bf5; 11...Re8 12.a5 Qc7 13.Bb2 d5 14.cd5 Nd5 15.Nd5 cd5 16.Rc1 Qd6) 12.Qd2 a5 13.b5 Re8 14.bc6 bc6 15.Ng5 Nc5 16.Bc5 dc5.

9.a4 a6 10.Nbd2 Nh5 (10...a5 11.b5 Qc7 (11...Re8 12.d4 Qc7 13.Qc2 cb5 14.ab5 ed4 15.Nd4 Nc5 16.Ra3 a4; 11...Qb6 12.Rb1 Nc5 13.Ba3 e4 14.Ng5 Qc7 15.bc6 bc6 16.d4 Ne6; 11...Qe7 12.Ng5 cb5 13.ab5 Nc5 14.Nb3 Nb3 15.Qb3 Bg4 16.Qc2 Qc7; 11...Nc5 12.d4 ed4 13.Nd4 Qb6 14.Rb1 cb5 15.cb5 d5 16.Qc2 Bg4) 12.d4 c5 13.de5 Ne5 14.Ne5 de5 15.Nf3 Re8 16.Qb3 e4) 11.d4 (11.a5 e4 12.Bg7 ef3 13.Bf8 fg2 14.Kg2 Qf8 15.e3 Ndf6 16.h3 Qe7; 11.Qc2 Qe7 (11...Qc7 12.Rfd1 c5 13.Qb3 cb4 14.Qb4 Nc5 15.a5 Nf6 16.Ng5 Bg4; 11...Re8 12.Ne4 Ndf6 13.c5 Ne4 14.de4 d5 15.Rfd1 a5 16.b5 Nf6; 11...a5 12.b5 Qe7 13.d4 Re8 14.Ra3 c5 15.de5 Ne5 16.Ne5 de5; 11...c5 12.Qb3 cb4 13.Qb4 Nc5 14.Ne5 Be5 15.Be5 Nd3 16.ed3 de5) 12.a5 Re8 13.e3 d5 14.g4 Nhf6 15.g5 Nh5 16.cd5 cd5; 11.Ne4 Qe7 12.Qd2 d5 13.cd5 cd5 14.Nc3 Nhf6 15.Rfc1 d4 16.Ne4 Ne4; 11.Qc1 Qe7 (11...Re8 12.c5 d5 13.Nb3 b6 14.cb6 Qb6 15.Rb1 Bf6 16.Na5 c5; 11...a5 12.c5 d5 13.b5 Qe7 14.Nb3 Nhf6 15.Qc2 cb5 16.ab5 a4; 11...c5 12.b5 Ndf6 13.Qc2 Qe7 14.Bc3 Bg4 15.e3 Bd7 16.h3 Rfe8; 11...Qc7 12.c5 d5 13.Nb3 Re8 14.Qe3 Nhf6 15.Ng5 h6 16.Nf3 e4; 11...Rb8 12.Ne4 Qc7 13.c5 d5 14.Nd6 b6 15.Rb1 a5 16.ba5 bc5) 12.a5 Re8 13.Ra3 Ndf6 14.c5 Bg4 15.cd6 Qd6 16.Nc4 Qb4; 11.Qb3 a5 (11...Qe7 12.a5 Re8 13.e3 Nhf6 14.Rfc1 Rd8 15.Ra4 Nf8 16.c5 Be6; 11...Re8 12.a5 Qc7 13.Ng5 Ndf6 14.e3 Bf5 15.Rfd1 Bg4 16.Ndf3 h6) 12.Ne4 Ndf6 13.Rfd1 Qc7 14.b5 Bg4 15.h3 Bc8 16.Qa3 c5; 11.Bc3 Ndf6 (11...Qe7 12.Qc2 Ndf6 13.a5 Bf5 14.Rfd1 Rfe8 15.e3 Qc7 16.e4 Bg4; 11...Re8 12.Ne4 Ndf6 13.c5 Ne4 14.de4 Nf6 15.Qc2 d5 16.ed5 Nd5) 12.Qc2 Qe7 13.c5 dc5 14.bc5 Nd5 15.Bb2 Bg4 16.Rfe1 a5) 11...Qe7 (11...ed4 12.Bd4 Re8 13.Bg7 Kg7 14.Nb3 Ne5 15.Ne5 de5 16.Nc5 Qe7; 11...Re8 12.Qc2 ed4 13.Bd4 Re2 14.Rfe1 Re1 15.Re1 a5 16.Bg7 Ng7) 12.Qc2 f5 (12...ed4 13.Bd4 Bd4 14.Nd4 c5 15.bc5 dc5 16.N4f3 Ndf6) 13.e4 (13.c5 dc5 14.dc5 a5 15.Qc4 Rf7 16.Bc3 ab4) 13...Ndf6 (13...ed4 14.Bd4 f4 15.Rfd1 Bd4 16.Nd4 a5) 14.de5 de5 15.Ne5 Ne4 (15...Qb4? 16.Ba3 Qa5 17.Bf8 Bf8 18.f4+–) 16.Nd3 (16.Ne4 fe4) 16...Nhf6 (16...Bb2+=) 17.Rfe1 Qf7 18.Rad1 Nd2 19.Rd2 (worse 19.Qd2 Qc4 20.a5 Rd8=) 19...Be6 20.Ne5 Qe7 21.Nd3 Qf7 22.Ne5 Qe7 23.Nd3 (23.Rde2!? Qb4 24.Bc3+–) 23…Qf7= ½–½. Schlaeger,Joerg – Pierrot,F (2440), 26th Metz Open, Metz St Symphorien FRA, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 c6 7.0-0 e5 8.d3 Nbd7)

9.a4 Qe7 10.b5 Nc5 11.d4 (11.Ne1 Qc7=) 11...Ncd7 (11...ed4 12.bc6 d3 13.ed3 bc6 14.Bd4=) 12.bc6 bc6 13.de5 de5 14.Ba3 c5 15.Nc3 Bb7 16.Rb1 Bc6 (16...Nb6 17.Rb5 Rfc8 18.Nd2 Bg2 19.Kg2 Qb7 20.Kg1+=) 17.Nd5 Bd5 18.cd5 Qd6 (18...Rab8 19.Ng5 Rb1 20.Qb1=) 19.Nd2 Nb6 (19...Rfe8 20.e4+=) 20.Rb5 Rac8 (20...Rfc8 21.Nb3 Na4 22.Ra5=) 21.Qc2 (better is 21.Nb3 Nbd7 22.Na5+/–) 21...Nfd7?? (better is 21...Nbd5 22.Bh3 Rc7 23.Rc5 Rc5 24.Bc5 Qc7=) 22.Ne4+– Qc7 23.Nc5 (better is 23.d6 Qd8 24.a5+–) 23...a6+/– 24.Ra5 (better is 24.Rbb1 Nc5 25.Qc5 Qc5 26.Bc5 Rc5 27.Rb6+/–) 24...Nc4= 25.Nd7 (25.Qc4 Qa5 26.Nb7 Rc4 27.Na5 Ra4 28.Bf8 Bf8=) 25...Qd7+= 26.Qc3? (26.Ra6 Na3 27.Qb2 Nc2+=) 26...Na5 (better is 26...e4 27.Qb4 Na5 28.Qa5 Rfd8–+) 27.Qa5+= Rfd8 28.Qa6 (28.Rb1!?=) 28...Ra8–/+ 29.Qc6 Ra4 (29...e4 30.Rb1 f5–/+ (30...Qd5? fails to 31.Qd5 Rd5 32.Be4+–)) 30.Be7= Qc6 31.dc6 Rc8 32.Rd1 Bf8 33.Rd8?? (better is 33.Bf6=) 33...Rd8–+ 34.Bd8 Ra1 35.Bf1 Rc1 36.c7 Bd6 37.Kg2 f5 38.Kf3 e4 39.Ke3 Bc7 40.Bc7 Rc7 41.h3 Rc1 (41...Rc1 42.Bg2 Rg1 43.Be4 fe4 44.Ke4 Rf1–+) 0–1. Misovic,Jan (2035) – Pacher,Milan (2025), SVK–chT1W, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5 7.Bg2 c6 8.0-0 Nbd7)

9.a4 Re8 10.Nbd2 Qc7 11.Qc2 (11.a5 d5=) 11...Nf8 (11...a5 12.b5=) 12.e4 (12.a5 Ne6=) 12...c5 (12...a5 13.b5=) 13.Bc3 (13.b5 a6=) 13...N6d7 (13...d5 A) 14.cd5? cb4 15.Rfc1 bc3–+ (worse 15...Qc3 16.Qb1+–); B) 14.ed5?! Nd5 15.Be5 Nb4 16.Bc7 Nc2=+; C) 14.bc5 d4 15.Bb4=) 14.a5 (14.b5 Ne6=) 14...Ne6 15.Nb3 (15.Rfb1 Rf8=) 15...Rb8 (15...cb4 16.Bb4 Ndc5 17.Rab1=) 16.Nfd2 Qd8 (16...cb4 17.Bb4 Ndc5 18.Bc3=) 17.Ra2 (17.b5 Qg5=) 17...Rf8 (17...cb4 18.Bb4 Ndc5 19.Rb2=) 18.Re1 (18.Ra4 Qg5=) 18...Qe7 19.Nf1 Nd4 (19...cb4 20.Bb4 Nf6 21.Ne3=) 20.Qd1 (20.Nd4 ed4 21.Bd2 Re8+=) 20...Nf6 (20...Nb3 21.Qb3 cb4 22.Bb4=) 21.bc5 (21.Nd4 cd4 22.Bd2 Bg4=) 21...dc5 22.Ne3 Bd7 (22...b5 23.ab6 Rb6 24.Bd4 cd4 25.Nd5 Nd5 26.ed5+=) 23.Nd5 (23.f4 Rfe8=) 23...Qd6 (23...Nd5 24.ed5 Nb3 25.Qb3=) 24.Bd2 (24.Bd4 cd4 (24...ed4?? 25.e5 Nd5 26.ed6+–) 25.f4 Rbe8=) 24...Nd5 25.ed5 Rbe8 (25...Nf5 26.Bc1=) 26.Nd4 ed4 (worse 26...cd4 27.Rb2+–) 27.Bf4 (27.Rb2 Re1 28.Qe1 Re8=) 27...Be5 (27...Qa6 28.Re4=) 28.Bg5 (28.Re5 Re5 29.Be5 Qe5=) 28...Bf6 29.Bh6 Re1 30.Qe1 Re8 31.Re2 Re2 32.Qe2 Qe7 (32...b5 33.ab6 Qb6 34.Bh3=) 33.Qd2 (33.Qe7 Be7 34.Bf4 b5 35.ab6 ab6+=) 33...Be5= 34.h4 (34.Be4 Qd8=) 34...Bd6 (34...Qd6 35.h5=) 35.h5 Bg4 36.f3 (36.hg6 fg6 37.Be4 Bc7=) 36...Bc8 (36...Bf5 37.g4 Bd7 38.Bf4=+) 37.Bf4 Bf5 38.Bd6 (38.hg6 hg6 39.Bd6 Qd6=) 38...Qd6=+ 39.h6? (39.g4 Bc8=) 39...f6?? (better 39...Qg3 40.Qe2 Kf8–+) 40.Kf2 (40.Qe2 Kf8 41.f4 Qc7=) 40...g5=+ 41.f4 (41.Qb2 b6=+ (41...Bd3? 42.Qb7 Kf8 43.Qa7+–)) 41...gf4–/+ 42.gf4 Qe7 (42...Qf8 43.Qe2 Qh6 44.Qe8 Qf8 45.Qf8 Kf8 46.Bf1–+) 43.Bf3 (43.Qe2 Qd7=) 43...Kf8 (43...Qf8 44.Ke1 Qh6 45.Kd1–/+) 44.Bh5 Kg8 (44...Bd7 45.Qe1 Qd6 46.Qe4=) 45.Qe2 Qe2 (45...Kf8 46.Qe7 Ke7 47.Ke2=) 46.Ke2 Kf8 (46...Bd7 47.d6+=) 47.Bf3 (47.d6 Be6+=) 47...b6 (47...Ke7 48.Be4 Bg4 49.Ke1=) 48.ab6+= ab6 49.Be4 (49.d6 Ke8 50.Be4 Bg4 51.Kf2 f5 52.Bc6 Kd8+–) 49...Bg4 50.Bf3 (50.Kf2 f5 51.Bf3 Bf3 52.Kf3 Ke7=) 50...Bd7 51.Kf2 (51.d6 Kf7 52.Bh5 Kf8=) 51...Ke7 (51...f5 52.Bh5=) 52.Bh5 Bf5 53.Ke2 Kd6 (53...Kd7 54.Bf3=) 54.Bf3 (54.Be8 Ke7 55.Bc6 Bg4 56.Kd2 Bf5=) 54...Bd7 (54...Bg6 55.Bg2=+) 55.Kf2 (55.Kd1 Ba4 56.Kd2 Bd7=) 55...Ke7 56.Bh5 Bf5 57.Ke2 (57.Be2 Bg6=) 57...Kf8 58.Kd2 Ke7 59.Ke2 Kf8 (59...Kd6 60.Be8=) 60.Kd2 (60.d6 Bd7=) 60...Ke7 61.Ke2 Kd6 ½–½. Arnaudov,Petar (2205) – Ljangov,Petar (2105), ch–BUL S/F Men, Plovdiv BUL, 2010. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.c4 e5 8.d3 Nbd7)

9.a4 Re8 10.Nbd2 Qe7 11.Qc2 =.

9.a4 Re8 10.Nbd2 Nf8 11.Qb3 (11.a5 N8d7=) 11...Qc7 (11...a5 12.b5=) 12.a5 Ne6 13.Rfc1 Bd7 (13...Qe7!?=) 14.c5+/– Nd4 15.Nd4 (15.Bd4!? ed4 16.Nd4+=) 15...ed4= 16.cd6 Qd6 17.Nc4 Qe6 (17...Qc7!?+=) 18.Bd4+/– Qe2 19.Ra2 (better is 19.Nd6!? Be6 20.Qc3+/–) 19...Qe6 (19...Qe7 20.Qc3=) 20.Qb2 (20.a6 b6=) 20...Nh5 (20...a6 21.Ne5 Rad8 22.f4=) 21.Bg7 Ng7 22.Nd2 Rad8 23.Ne4+/– Re7 24.Nc5 Qg4 25.Nb7 Rde8 26.Rca1?? Re2 27.Qc3?? Qf5?? 28.Rf1?? Rb8 29.Nd6 Qe6 30.Ne4?? Ne8?? 31.Bf3 Ra2–+ 32.Nc5 Ra1 33.Ne6+– Rf1 34.Kf1 fe6 35.Bc6 Rc8 36.b5 Nd6 37.Qe5 Nf7 38.Qe3 Bc6 39.bc6 Rc6 40.Qa7 Rd6 41.a6 Nd8 42.Qb8 Ra6 43.Qd8 Kf7 44.Qc7 (44...Kf6 45.Qh7+–) 1–0. Majul,Isolina (2075) – Carvalho,Alda, Yerevan ol (Women), 1996. (In some sources known even as: ½–½. Nogueiras – Olszewski, North Bay 1997). Which is correct?

9.Qb3 a5 10.a3 ab4 (10...e4 11.de4 ab4 12.ab4 Ra1 13.Ba1 Ne4 14.Bg7 Kg7 15.Nc3 Ndf6 16.Ne4) 11.ab4 Ra1 12.Ba1 e4 13.de4 Ne4 14.Bg7 Kg7 15.Nc3 Ndf6 16.Ne4.

9.Qc2 Qe7 10.a3 A) 10...Re8 A1) 11.Nc3 h6 (11...Nb6 12.a4 Nbd7 13.b5 d5 14.cd5 cd5; 11...a6 12.e3 d5 13.cd5 cd5 14.g4 h6) 12.e4 a5 13.Nd2 Qe6 14.b5 Nh5; A2) 11.Rc1 h6 (11...Qe6 12.Nbd2 h6 13.e4 c5 14.Rcb1 a6; 11...a6 12.Nc3 d5 13.cd5 cd5 14.e3 Qe6) 12.e4 a6 13.Nbd2 c5 14.Rcb1 b6; A3) 11.e3 Nb6 (11...h6 12.Nbd2 Qe6 13.Rfd1 g5 14.h3 d5; 11...Qe6 12.Ng5 Qg4 13.Ne4 Ne4 14.de4 Nf6; 11...a6 12.Nc3 d5 13.cd5 cd5 14.g4 h6; 11...Rb8 12.Nc3 Nb6 13.a4 Bf5 14.e4 Bg4) 12.Nbd2 Bg4 13.h3 Be6 14.c5 dc5; A4) 11.e4 a6 (11...d5 12.ed5 cd5 13.Re1 Qd6 14.cd5 Nd5; 11...a5 12.Nbd2 h6 13.Bc3 ab4 14.ab4 Ra1) 12.Nfd2 b6 13.Nc3 Qe6 14.f4 ef4; A5) 11.Nbd2 h6 12.a4 d5 13.cd5 cd5 14.b5 Qe6; B) 10...h6 B1) 11.Nbd2 Re8 12.e4 a5 13.Bc3 ab4 14.ab4 Ra1; B2) 11.Rd1 d5 (11...Re8 12.e4 c5 13.Nbd2 a6 14.Bc3 Rb8) 12.cd5 cd5 13.Nc3 a6 14.Rac1 b5; B3) 11.e3 Re8 (11...a6 12.Nbd2 Re8 13.Ne4 Ne4 14.de4 Qf6; 11...Qe6 12.Nc3 Re8 13.Rfc1 Nb6 14.b5 Bd7; 11...Nb6 12.c5 dc5 13.Qc5 Qc5 14.bc5 e4; 11...Rd8 12.Nc3 Nb6 13.a4 a5 14.b5 Bf5) 12.Nc3 Qe6 13.Rfb1 a6 14.a4 d5; B4) 11.Re1 Re8 (11...d5 12.cd5 cd5 13.Rc1 e4 14.Nd4 e3; 11...Rd8 12.Nc3 Qe6 13.e3 a6 14.a4 a5; 11...a6 12.e4 Re8 13.d4 ed4 14.Nd4 c5) 12.e4 a6 13.d4 ed4 14.Nd4 c5; B5) 11.Nc3 Qe6 (11...Re8 12.Rfb1 Qe6 13.b5 a6 14.a4 d5; 11...Nb6 12.a4 Bf5 13.Nh4 Be6 14.a5 Nc8; 11...Rd8 12.Rab1 Qe6 13.Rfd1 d5 14.cd5 cd5; 11...a6 12.e4 b5 13.Nd2 Nb6 14.a4 bc4) 12.e3 Re8 13.Rfc1 g5 14.Nd2 g4; C) 10...a6 C1) 11.e3 Re8 12.Nc3 d5 13.Nd2 Qe6 14.Qb3 Nb6; C2) 11.a4 d5 (11...Rd8 12.Nbd2 a5 13.b5 Nc5 14.d4 ed4; 11...Re8 12.a5 d5 13.Qb3 Rb8 14.Rc1 e4) 12.a5 Rd8 13.Ra4 e4 14.Nd4 e3; C3) 11.Rc1 Re8 (11...h6 12.Nbd2 Re8 13.c5 d5 14.e4 Qe6; 11...Qe6 12.Nbd2 Re8 13.c5 d5 14.Rcb1 a5; 11...Rb8 12.Nbd2 Re8 13.c5 dc5 14.bc5 Rd8; 11...Rd8 12.Nbd2 Re8 13.e4 b6 14.d4 ed4) 12.Nbd2 h6 13.e4 b6 14.d4 ed4; C4) 11.h3 Re8 (11...h6 12.Nbd2 d5 13.c5 Qe6 14.e4 Re8) 12.Nbd2 b6 13.e3 d5 14.Rac1 h6; C5) 11.Nc3 Re8 (11...Rd8 12.e4 b6 13.d4 ed4 14.Nd4 Bb7; 11...d5 12.cd5 cd5 13.Rac1 b5 14.Qd2 Bb7; 11...b6 12.Nd2 Bb7 13.e4 Qe6 14.Rae1 Rae8) 12.e3 d5 13.cd5 cd5 14.Nd2 Qe6; D) 10...Rd8 D1) 11.Rc1 Qe6 (11...h6 12.Nbd2 Re8 13.e4 a5 14.h3 ab4; 11...Re8 12.Nc3 Bh6 13.Nd2 Nb6 14.a4 a5) 12.Nc3 h6 13.e3 Re8 14.Rab1 a6; D2) 11.Nc3 Nb6 (11...d5 12.cd5 cd5 13.Nb5 a6 14.Nc7 Ra7; 11...a6 12.e4 Re8 13.Nd2 Qe6 14.f4 ef4; 11...Re8 12.Rab1 Nb6 13.b5 Bd7 14.a4 cb5; 11...h6 12.Rfd1 Nb6 13.a4 a5 14.Qb3 Be6) 12.a4 Nbd7 13.Rfc1 d5 14.cd5 cd5; D3) 11.Nbd2 d5 (11...Re8 12.e4 a5 13.Bc3 a4 14.Rae1 h6; 11...a6 12.e4 c5 13.Rfb1 a5 14.Qa4 b6) 12.cd5 cd5 13.Rac1 Re8 14.Qb3 Qd6.

9.Qc2 Qe7 10.a4 a5= (10...Re8 11.Nbd2 a5 (11...d5 12.b5 e4 13.de4 de4 14.Ng5 Nc5; 11...h6 12.a5 d5 13.b5 e4 14.de4 de4) 12.b5 Nc5 13.bc6 bc6 14.Ba3 e4; 10...d5 11.b5 (11.cd5 cd5 12.b5 Re8 13.a5 Qb4 14.Nc3 d4) 11...Rd8 (11...e4 12.de4 de4 13.Nd4 c5 14.Nb3 Re8) 12.cd5 cd5 13.a5 Re8 14.Rc1 e4; 10...Rd8 11.Rc1 a5 (11...d5 12.cd5 cd5 13.b5 e4 14.Nd4 e3; 11...Qe6 12.a5 d5 13.Nbd2 Qe7 14.e3 e4) 12.b5 Nc5 13.Nc3 Bf5 14.Rab1 Rac8) 11.b5 Nc5 (11...Re8 12.Nc3 d5 13.cd5 cd5 14.Rac1 Nb6; 11...Rd8 12.Nc3 d5 13.cd5 cd5 14.Rac1 Nb6) 12.Nfd2 (12.Nc3 Bf5 13.Nd2 Bd7 14.Ba3 cb5) 12...Qc7 (12...cb5 13.ab5 Bf5 (13...Bg4 14.f3 Bc8) 14.Nc3= Bg4; 12...Bg4 13.Nc3 Rfc8 14.h3 Be6) 13.Nc3 (13.f4 Ng4 14.Rf3 Qb6) 13...Bf5 (13...Bd7 14.Rab1= Ne6; 13...Re8 14.Rab1 Ne6) 14.h3 (14.Nde4 Nfe4 15.Ne4 Ne4 16.de4 Be6=; 14.e4 Be6) 14...Rfe8 (14...Qd7=) 15.e4 (15.Nb3 Nb3 16.Qb3 Bh6=) 15...Bd7=+ 16.Nb3 Ne6 (16...Nb3 17.Qb3 Be6 18.Ba3=+) 17.Qd2 Nh5 (17...h5 18.Ne2=) 18.Ne2 (18.Nd1 Qc8=) 18...Bf6 19.Bc3 (19.h4 Nc5 20.Nc5 dc5=) 19...Bd8 (19...cb5 20.cb5 Bg5 A) 21.Ba5? b6 (21...Bd2 22.Bc7 Bb4 23.Bb6=) 22.f4 ef4 23.gf4 Nhf4 24.Nf4 ba5–+ (24...Bf4?! 25.Rf4 Nf4 26.Rc1–/+); B) 21.Qb2=+) 20.f4 (20.d4 Bg5 21.Qd3 Red8=) 20...Bc8 (20...Qb6 21.Kh1 ef4 22.gf4=) 21.f5 (21.Bf3 cb5 22.cb5 Ng3 23.Ng3 Nf4=) 21...Bg5 22.Qe1 (22.fe6 Bd2 23.ef7 Qf7 24.Rf7 Bc3 25.Raf1=+) 22...gf5 (22...Nc5!? 23.Nc5 Be3 24.Kh1 dc5+=) 23.ef5+– Neg7 (23...Nc5 24.Nc5 dc5 25.g4 Be3 26.Kh1+–) 24.Ba5 Qe7 (24...Qb8 25.g4 Qa7 26.c5 dc5 A) 27.bc6 c4 28.Kh1 cb3 29.gh5 Qa5 30.cb7 Qe1 31.Rae1 Bb7 32.Bb7 Ra7=+ (worse 32...Ra4 33.Bc6 Rh4 34.Be8 Ne8 35.Rf3+=); B) 27.gh5 c4 28.b6+–) 25.Bd2 (25.g4!? Nf6 26.Bd2+–) 25...cb5 26.ab5 (26.g4!? ba4 27.gh5 Bf5 28.Nbc1+–) 26...Ra1+= 27.Na1 Nf5 28.g4 Ne3 29.gh5 Nf1 30.Bf1 (30.Kf1 e4 31.Bg5 Qg5 32.de4 Be6+=) 30...Kh8= 31.Bg2 Rg8 32.Kh1 (32.Kh2 Bd2 33.Qd2 Qh4=) 32...Bd2 33.Qd2 Qh4 34.Ng1 Qh5 35.Nc2 Rg3 36.Qf2 Qg5 (36...Rg7 37.Nb4=) 37.Ne1 (37.Nb4 f5+=) 37...f5 (37...Qe3 38.Qf7 Qe1 39.Qf8 Rg8 40.Qf6 Rg7 41.Qd8 Rg8 42.Qf6 Rg7 43.Qd8 Rg8 44.Qf6=) 38.Qb6 (38.Nef3 Qg8 39.c5+=) 38...Qf6 (38...Qe3!? 39.Qd8 Rg8 40.Qf6 Rg7 41.Qd8 Rg8 42.Qf6 Rg7 43.Qd8 Rg8=) 39.c5 (39.Bb7 Bb7 40.Qb7 Qg6 41.Qa8 Kg7 42.Qa7 Kg8+–) 39...Rg6 40.Qc7 Be6 (40...Rg8!?+–) 41.Qd6+– Rg8? (41...Bc8 42.Qc7 Rg8 43.Nef3+– (43.Bb7?! Bb7 44.Qb7 Qg5=)) 42.c6 (42.Bb7 Rd8 43.Qa6 Rg8+–) 42...bc6 (42...Rd8 43.Qc5 bc6 44.bc6+–) 43.b6 Rd8 44.Qc6 Qe7 45.b7 Kg7 (better 45...Rb8+–) 46.Ngf3 Kf6 (46...Bd5 47.Qd5! Rd5 48.b8Q+–) 47.d4! e4 (47...ed4 48.Nd4) 48.d5! ef3 (48...Rd5 49.Qc3) 49.Nf3 Kg7 (49...Re8+–) 50.de6 1–0. Spiridonov,Nikola – Blees,Albert, Belgrade, 1988. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6 8.c4 Nbd7)

9.Qc2 Qe7 10.Nc3 Re8 11.Nd2 Nf8 12.b5 Bd7 13.Ba3 Ne6 14.Rab1 cb5 15.Nde4 Nd4 16.Qd2 Ne4 17.Ne4 Nf5 (17...bc4!? 18.dc4 Bc6 19.Nd6 Red8 20.Bc6 bc6=) 18.g4+= Nh4 19.Bh1 (19.Nd6 Ng2 20.Ne8 Qa3 21.Ng7 Nf4=+) 19...Bg4 (19...Qe6 20.h3 Bf8 21.cb5+=) 20.Rb5+= Nf5 21.Rb7 Qd8 22.Rfb1 Rc8 (22...Bf8 23.Qg5 Be2 24.Nf6 Kh8 25.Rd7+–) 23.Bg2 (better 23.Ra7!? d5 24.cd5+–) 23...d5+= 24.cd5 Nd4 25.Nd6 Ne2? (better 25...Rc2 26.Qb4 Ne2 27.Kh1 Bf8+=) 26.Kh1+– Nd4 27.Ne8 Qe8 28.Qg5 Bf5 29.d6 Qa4 (29...Nc6 30.Rc7 Bd7 31.Rc1 Rc7 32.dc7+–) 30.Qe7 Rf8 31.d7 (31.d7 Nc6 32.Qc5+–; 31.Ra7 Qc2 32.Rc1 Qd3+–) 1–0. pcmvr – pierred (2825), net–chess.com, 2016.

9.Qc2 Qe7 10.Nbd2 A) 10...d5 11.a3 (11.cd5 cd5 12.Rac1 Re8 13.a3 Qe6 14.e4 d4) 11...Re8 (11...Rd8 12.cd5 cd5 13.Rac1 Re8 14.e3 Qe6; 11...Qe6 12.Rfc1 Rd8 13.cd5 cd5 14.Qc7 Qe7) 12.Rac1 b5 13.cd5 cd5 14.Qc7 a6; B) 10...Rd8 B1) 11.Rfc1 Re8 (11...a5 12.b5 cb5 13.cb5 d5 14.e3 a4; 11...d5 12.cd5 Nd5 13.a3 N7b6 14.Rab1 Bg4) 12.a4 a5 13.b5 Nc5 14.d4 Bf5; B2) 11.e4 a5 (11...c5 12.a3 Qe6 13.h3 h6 14.Ne1 Re8; 11...Re8 12.Rfe1 a5 13.b5 a4 14.d4 ed4; 11...h6 12.a3 c5 13.Rfb1 g5 14.Nf1 Qe6; 11...a6 12.Rfb1 c5 13.Bc3 b6 14.a4 cb4) 12.a3 Re8 13.Rfb1 a4 14.d4 ed4; B3) 11.Rfd1 d5 (11...h6 12.a4 d5 13.cd5 cd5 14.Rac1 e4) 12.cd5 cd5 13.a3 e4 14.de4 de4; B4) 11.e3 d5 (11...h6 12.a4 d5 13.Rfd1 a6 14.a5 dc4; 11...Re8 12.a4 a5 13.b5 Nc5 14.Nb3 Nb3; 11...a5 12.b5 Nc5 13.Rfe1 cb5 14.cb5 Bf5) 12.a3 a5 13.b5 cb5 14.cb5 Qe6; B5) 11.a3 d5 (11...Re8 12.e4 a5 13.Rfb1 Bh6 14.Re1 Bg7; 11...a6 12.e4 c5 13.Qa4 Rb8 14.b5 Qe6) 12.cd5 cd5 13.Rac1 Re8 14.e3 Qe6; C) 10...Re8+= C1) 11.a3 a6 (11...d5 12.cd5 cd5 13.Rac1 Qe6 14.e4 d4; 11...h6 12.e4 a5 13.Rfc1 d5 14.cd5 cd5) 12.e4 c5 13.Rfc1 Qe6 14.Rcb1 Rb8; C2) 11.Rfc1 h6 (11...a5 12.a3 d5 13.cd5 cd5 14.b5 e4; 11...d5 12.cd5 cd5 13.Qb3 a5 14.ba5 Ra5; 11...a6 12.a4 d5 13.cd5 cd5 14.Qb3 Qd6) 12.a4 c5 13.b5 a6 14.a5 ab5; C3) 11.Rfb1 d5 12.e4 de4 13.Ne4 a5 14.b5 c5; C4) 11.a4 a5 (11...d5 12.b5 e4 13.de4 de4 14.Ng5 Nc5; 11...h6 12.a5 d5 13.b5 e4 14.de4 de4) 12.b5 Nc5 13.Nb3 cb5 14.Nc5 dc5.

9.Nc3 Qe7 10.a4 Rb8 11.Qc2 b6 12.Rfb1 Bb7 13.d4 (13.a5 b5=) 13...ed4 14.Nd4 d5 (better 14...Ne5!? 15.b5 c5=) 15.cd5+= Nd5 (15...cd5 16.b5+=) 16.Nd5 (16.Nc6 Bc6 17.Nd5 Bd5 18.Bd5 Rbc8+–) 16...cd5+= 17.b5 Rbc8 18.Qd2 Nc5 (18...Ne5 19.Bc3+=) 19.Rc1 (19.a5 Rfe8+=) 19...Ne4= 20.Be4 (20.Qe1 Rc4 21.e3 Rfc8=) 20...de4 21.Nc6 Bc6 22.Bg7 (worse 22.bc6 Rfd8 23.Qc2 Rc6 24.Qc6 Bb2–/+) 22...Kg7 23.bc6 (23.Qc3 Kg8 24.bc6 Rc7=) 23...Rc7 24.Qd4 Kg8 (24...Qf6 25.Qf6 Kf6 26.Rc2=) 25.Rc4 Re8 26.Rac1 f5 27.Qd5 Qe6 28.Qe6 Re6 29.Kg2 (29.f4 a6=) 29...Kf7 30.f3 ef3 31.ef3 a6 32.Kf2 b5 33.ab5 ab5 34.Rb4 (34.Rc5 b4=) 34...Rec6 35.Rc6 Rc6 36.Rb5 Rc2 37.Ke3 (37.Kg1 Ke6=+) 37...Rh2–/+ 38.Rb7 Kf6 39.Kf4 g5 40.Ke3 Rh3 41.Rb6 Kg7 42.Rb7 Kh6 43.Rf7? (43.Rb6 Kh5 44.Kf2 Rh2 45.Kg1 Re2–/+) 43...Rg3 (43...Kg6!? 44.Re7 Rg3 45.Kf2–+) 44.Rf5 Kh5 (44...Kg6 45.Ra5–+) 45.Rf7 (45.Kf2 Kg6 46.Ra5 Rh3–/+) 45...h6 46.Kf2 Rh3 47.Kg2 Rh4 48.Rf6 Rf4 49.Re6 Ra4 50.Rf6 Ra8 51.Kg3 Rg8 52.Rd6 Rg6 (52...Rc8 53.Rd4–/+) 53.Rd4 (better 53.Rg6 Kg6 54.f4=) 53...Rf6 54.Re4 Kg6 55.Rc4 (55.f4 Rd6 56.fg5 Kg5 57.Rg4 Kf5–/+) 55...h5 56.Rd4 (56.f4 g4–+) 56...Re6 57.Rc4 Kf5 58.Rc5 Re5 59.Rc4 h4 60.Kh3 (60.Kf2 Rb5–+) 60...Rd5 61.Re4 Rd3 62.Kg2 h3! 63.Kh2?? (63.Kh3 Rf3 Double attack (63...Rf3 Deflection)) 63…Rf3–+ (63...Rf3 64.Re8 Kg4–+) 0–1. gbsr (2165) – michelleke (2370), net–chess.com, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 c6 8.c4 Nbd7)

9.Nc3 Re8 10.Nd2 Nf8 11.b5 d5 12.Qa4 d4 13.Nce4 Ne4 14.Ne4 cb5 15.Qb5 Bd7 16.Qb3 (worse 16.Qb7 Rb8 17.Qa7 Rb2–/+) 16...Bc6 17.a4 (17.Ba3 Qd7=) 17...Ne6 18.Ba3 Qd7 19.a5 (19.Rfb1 Red8=) 19...Red8 20.Rfb1 f5 21.Nd6 (21.Nd2 Bg2 22.Kg2 Qc6 23.Kg1 Rd7=+) 21...Bg2 22.Kg2 Qc6 23.Kg1 Rd6 24.Bd6 Qd6 25.Qb7 Qd8 26.Rb5 (26.Qc6 Qe8 27.Qe8 Re8=+) 26...a6 27.Rd5 Qc8 (27...Qb8 28.Rb1 Qb7 29.Rb7=) 28.Rb1= Qb7 29.Rb7 Rc8 30.Rdd7 Bf8 31.Rh7 Bg7 32.Rh4 Rc6 33.Kf1 (33.Rb6 Rb6 34.ab6 Nc5=+) 33...Nc5 34.Rb8 Kf7 35.f3 (35.g4 g5 36.Rh5 Kg6+=) 35...e4 (35...g5 36.Rh5 Kg6 37.g4=) 36.de4 g5 37.Rh5 (37.Rh3 fe4 38.Rb6 Rf6=) 37...Kg6 38.g4 fg4 (worse 38...fe4 39.Rb6 Rb6 40.ab6+–) 39.fg4 Ne4 (39...Nd7 40.Rb7 Nf6 41.Rb6 Rb6 42.ab6 Ng4 43.b7+–) 40.Rb6= Rf6 41.Kg2 (41.Ke1 Bf8=) 41...Kf7 (41...Nd2 42.c5 Nc4 43.Rf6 Bf6 44.c6+=) 42.Rf6 Bf6 43.Rh7 Ke6 44.Ra7 Nc5 45.Rc7 Be7 46.Kf3 Kd6 47.Rc8 Kd7 48.Rh8 (48.Rg8 Bf6=) 48...Bf6 (48...Nb3 49.Ke4 Na5 50.Kd5=) 49.Rh5 Kd6 50.h4 gh4 51.g5 Bg7 (51...Bd8 52.g6 Ne6 53.e3=) 52.Kg4 (52.Rh7 Ne6 53.Kg4 Ke5=) 52...Ke7 (52...Ke6!?=) 53.Kf5+– d3 (53...Nb3!?+–) 54.ed3 Nd3 55.Rh4 Kf7 56.g6 Kf8 57.Rh1 (57.Rh5 Nc5+–) 57...Nc5+– 58.Rd1 Ke7 59.Rb1 Kd7 (59...Bd4 60.Rb8+–) 60.Rb8 Ne6 61.Rb7 Nc7 62.Rb6 Ke7 63.c5 (63.Rb3 Ba1+–) 63...Bc3 64.Rc6 Kd7 65.Rd6 Kc8 (65...Ke7 66.Kg5+–) 66.Ke4 Bg7 (66...Ba1 67.Kd3+–) 67.Kf4 (67.Kd3 Bf8+–) 67...Bc3 68.Ke4 Bg7 69.Kf3 (69.Kd3 Bb2+–) 69...Bc3 (69...Be5 70.Kg4+–) 70.Kf4 Bg7 71.Ke3 Bc3 (71...Be5 72.Kd3+–) 72.Kd3 Bg7 73.Kc4 (73.c6 Bf8+–) 73...Bb2 (73...Bh6 74.c6+–) 74.c6 Ba1 75.Kc5 Bc3 (75...Bg7 76.Rd7 Bh6 77.Rf7+–) 76.Kb6 Be5 77.Rd7 Ne6 78.Re7 Bd4 79.Ka6 Nc7 80.Rc7! Kc7 81.Kb5 1–0. Varend,Erik (1795) – Pott,Brian, RC–2010-0-00061, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.c4 Nbd7)

9.Nc3 Ne8 10.Nd2 a6 11.Qc2 f5 12.b5 Qc7 (12...cb5!? 13.cb5 ab5 14.Nb5 Nc5=) 13.bc6+/– bc6 14.Nd5! Qd8 (14...cd5 15.Bd5 Double attack) 15.Nb4 Nb8 16.Nc6 Nc6 17.Bc6 Ra7 18.Qb3 Kh8 19.Rab1 Rc7 20.Qb6 Nf6 21.Bf3 Qe7 22.Ba3 Rd8 23.Rfc1 Bh6 24.e3 f4 (24...Bg7 25.Bb4+–) 25.ef4 ef4 26.Re1 Qf7 27.Ne4 (27.Bd6 Rd6 28.Qd6 fg3+–) 27...Ne4 28.Be4 (28.de4?! fg3 29.hg3 Re8 30.Bd6 Rc4+/–) 28...Bh3? (28...fg3 29.fg3 Bg7+–) 29.Bd6 (29.Qa6?! fg3 30.hg3 Bc8+–) 29...Rcd7 30.Bd5 Qf5 (30...Rd6 31.Bf7 Rb6 32.Rb6 Rd3 33.Ra6+–) 31.Be5 Bg7 32.Be6! (32.Bf4?! Rd5 33.cd5 Qd5 34.Qd8 Qd8+–) 32...Qe6 (32...Qf8 33.Bh3 Rd3 34.Bf4+–) 33.Bg7 (33.Bg7 Kg7 34.Re6 (34.Qe6?! Be6 35.Re6 f3+–) 34...Be6 35.Qe6 fg3 36.hg3+–) 1–0. Dragicevic,Drazen (2290) – Nikolovski,Nikola (1995), Skopje MKD, 4th Karpos Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.Bg2 0-0 7.d3 c6 8.0-0 Nbd7)

9.Nc3 Ne8 10.e4 Nc7 11.d4 ed4 12.Nd4 Ne5 13.Qe2 Ne6 14.Nf3 Nf3 15.Qf3 Nd4 16.Qd3 Be6 17.Na4 b5 18.cb5 (worse is 18.Bd4 Bc4 19.Qc3 Bd4 20.Qd4 Bf1 21.Rf1 ba4–/+) 18...cb5 19.e5? (better is 19.Bd4!? Bc4 20.Qc3 Bd4 21.Qd4 Bf1 22.Bf1 ba4 23.Rd1=) 19...de5–/+ 20.Nc5 Bc4 21.Qe4 Rc8 22.Rfd1 Qc7 23.Kh1 Rcd8 24.Rac1 f5 (24...Ba2?! 25.Nb7 Bc4 26.Nd8 Rd8 27.Qe3+=) 25.Qe1 Qf7 (25...Ba2?! 26.Nb7 Bc4 27.Nd8 Rd8 28.Qe3+=) 26.a3 Rfe8 27.Nb7 Rd7 28.Nc5 Rdd8 29.Nb7 Rd7 30.Nc5 Rde7 31.f3? (31.Qe3!?–/+) 31...Bh6 (better is 31...Be2!?–+) 32.Rc3–/+ Bg7 33.Rdc1?? (33.Rcc1 Be2 34.Rd2 Bf3 35.Rf2–+) 33...Nb3 34.Nb3 Bb3 35.Rc6 e4–+ 36.Qd2?? e3 37.Qe2 Bc4 38.Qc2 Bb2 39.Qb2 Qg7 40.Qg7 Kg7 41.f4 e2 42.Re1 Re3 43.Ra6 Rd3 44.Ra7 Kf8?? 45.Kg1+= Rd1 46.Kf2 Red8 47.Ra8 Ra8 48.Ba8 Rd3 49.Bf3 Ra3 50.Be2 Be2 51.Re2 Rb3 52.Ke1 Rb4 53.Kd1 Re4 54.Rc2 Kf7 55.Rc7 Re7 56.Rc5 Rb7 57.Re5 Kf6 58.Kc2 h6 59.Kb3 g5 60.Kb4 gf4 61.gf4 Rg7 62.Rb5 Rg4–/+ 63.Rb6 Kg7 64.Kc3 Rf4 65.Rb2 Kg6 66.Kd3 Rf3 67.Ke2 Rh3 68.Kf1 Kg5 69.Kg2 Ra3 70.Rc2 Kg4 71.Rc4 Kg5 72.Rc2 Re3 73.Kf2 Ra3?? 74.Kg2 f4 75.Rd2 Ra1 76.Kf3 Ra3 77.Kf2 ½–½. Mateia,Benone – Domanyek,Erno, Timisoara op, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 c6 8.c4 Nbd7)

9.Nbd2 Qc7 10.Rc1 Re8 11.Qc2 a5 12.a3 Bh6 13.Bc3 ab4 14.ab4 (worse is 14.Bb4 c5 15.Bc3 Ra3+=) 14...Nf8 15.Rb1 Bg7 16.Qb2 Nh5 17.b5 c5 18.Ra1 Bg4 19.h3 Bd7 20.Ra3 Ra3 21.Qa3 Qc8 22.Ne4 Qb8 23.Ra1 f5 24.Ned2 Ne6 25.Ne1 Nd4 26.Bd4 ed4 27.Bf3 Qd8 28.Qa5 Qe7 (28...b6!? 29.Qa7 Bc8+=) 29.Qc7+/– Be5 (29...f4 30.g4 Nf6 31.Qb7+–) 30.Bh5 gh5 31.Qb7 h4 32.Ra7 (32.gh4!? Kh8 33.Nef3+–) 32...hg3 33.Qd7 gf2 34.Kf1?? (34.Kf2 Bg3 35.Kg1 Bf2 36.Kh1 Qd7 37.Rd7 Be1+/–) 34...fe1Q?? (better is 34...Bg3 35.Qe8 Qe8–+) 35.Ke1+/– Qd7 36.Rd7 Bg3 37.Kf1 h5 38.b6 Rb8 39.b7 d5 40.cd5 h4 41.Nc4 Kf8 42.Na5 Ke8 43.Rh7 (43.Rh7 Rd8 44.Kg2 Rd5 45.Rh4+–) 1–0. Cubok,Radomir – Olsar,Zdenek (2070), Karvina op, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 Nbd7)

9.Nbd2 Ne8 10.Qc2 f5 11.a4 Qe7 12.b5 Rb8 13.Rab1 c5 14.Bc3 Ndf6 15.a5 Nh5 16.e3 Nef6 17.Rbe1 Bd7 18.Nb1 h6 19.Bb2 g5 20.Nc3 f4 21.ef4 gf4 22.Nh4 Qf7 23.Nd5 Be6 24.Nf6 Bf6 25.Nf3 Bg4 26.Nd2 Rbd8 27.Bd5 Be6 28.Bg2 Qg7 29.Bf3 Bg4 30.Qd1 Bf3 31.Qf3 Qg6 32.Qb7 Qd3 33.Qd5 Qd5 34.cd5 ½–½. Heslenfeld – Kowalczyk, Bad Woerishofen 1991.

9.Nbd2 Nh5 10.Qc2 f5 11.e3 Qe7 12.Rab1 Ndf6 13.a4 f4 14.ef4 ef4 15.Rfe1 Qf7 16.Ng5 Qc7 17.Qb3 fg3 18.hg3 Bh6 19.Ndf3 Ng4 20.Ne6 Be6 21.Re6 Rae8 22.Rbe1 Qf7 23.Re8 Re8 24.Re8 Qe8 25.Qc3 (25.Bd4 Ng3 26.Ba7 Ne2 27.Kf1 Nf4+=) 25...Bg7 (25...Qe2!? 26.Qh8 Kf7 27.Qh7 Kf8=) 26.Qd2= Bh6 27.Qc3 ½–½. Longar,Thomas – Pfaff,Volker, Baunatal op 2nd, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.Bb2 Bg7 5.g3 0-0 6.Bg2 c6 7.0-0 e5 8.d3 Nbd7)

10.Rc1 Qe7 (10...e4 11.de4 a5 12.Nc3 ab4 13.Qb4 Qb6 14.a3 Ne4 15.Nd1 Bb2 16.Qb6; 10...a5 11.c5 a4 12.Qa3 dc5 13.bc5 Bf8 14.Nbd2 Nc5 15.Rc5 b6 16.Ne5; 10...Nb6 11.Nc3 (11.Nbd2 a5 12.b5 a4 13.Qb4 Bg4 14.h3 Bf5 15.Nh4 Bd7 16.Ne4; 11.Bc3 Bf5 12.Nbd2 Qd7 13.Re1 Rab8 14.Ng5 h6 15.Nge4 Ne4 16.Ne4) 11...Bh6 12.Rcb1 Be6 13.b5 Qc7 14.a4 Nbd7 15.Qb4 a5 16.Qa3) 11.Nbd2 (11.Nc3 Nb6 12.a4 Bh6 13.Rd1 Be6 14.a5 Nbd7 15.Bc1 Bc1 16.Rdc1) 11...Nh5 (11...Nb6 12.a4 Bg4 13.a5 Nbd7 14.h3 Be6 15.Ng5 Bh6 16.h4) 12.e4 (12.Rab1 Ndf6 13.c5 Be6 14.cd6 Qd6 15.Nc4 Bc4 16.dc4) 12...h6 (12...c5 13.a3 Nb6 14.bc5 dc5 15.a4 Qd6 16.a5) 13.Re1 (13.d4 b6 14.d5 Bb7 15.Re1 Ndf6 16.a4) 13...c5 (13...b6 14.d4 Bb7 15.a4 ed4 16.Bd4) 14.a3 b6 15.b5 (15.Nf1 Bb7 16.Ne3) 15...Nf8 (15...Ndf6 16.Nf1) 16.Nf1 (16.a4+=) 16...f5 (better 16...Nf6!?=) 17.ef5+– Bf5 18.d4 (18.Nh4 Rad8 19.Nf5 gf5+–) 18...e4+= 19.dc5 dc5 20.N3d2 Nf6 21.f3 Qd7 (21...Rad8 22.fe4 Be6 23.e5+–) 22.fe4+– Bh3? (better 22...Ng4!? 23.Rad1 Bd4 24.Bd4 Qd4 25.Ne3 Ne3 26.Qe3 Bg4+–) 23.e5 N6h7 24.Bd5 Kh8 (24...Ne6 25.Bc6 Qd8 26.Be8 Qe8 27.Ne4+–) 25.Ne4 Ne6 26.Nf6 Nd4 27.Bd4 (27.Nd7?! Nb3 28.Rad1 Rad8+–) 27...Bf6 28.Bc3 Bg7 29.e6 Qe7 30.Bg7 Kg7 31.Qb2 Kg8 32.Qf2 (32.Ba8 Ra8 33.Ne3 Be6+–) 32...Rf8 33.Qe3 (33.Qf7 Rf7 34.ef7 Qf7+–) 33...Ng5 34.Nd2 (better 34.Ba8 Ra8 35.Nd2+–) 34...Rad8 35.a4 Rf6 (35...Rd6 36.Ne4 Nf3 37.Qf3 Rf3 38.Nd6+=) 36.Kh1 (better 36.Ne4!? Ne4 37.Qe4+–) 36...Be6= 37.Bg2 Qd7 38.h4 (better 38.Rad1 Kg7 39.h4+=) 38...Bh3?? (better 38...Qd2 39.hg5 hg5 40.Qd2 Rd2 41.Re6 Re6–/+) 39.Bd5+– Nf7 40.Ne4 Rf5?? (better 40...Re6+–) 41.Qh6 1–0. Pettersson,Tob (2120) – Toma,K (2275), Arctic Chess Challenge, Tromso NOR (6), 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 c6 7.0-0 e5 8.d3 Nbd7)

10.Nc3 a5 11.a3 Nb6 12.Ng5 a4 13.Qc2 Ng4 14.Bc1 d5 15.c5 Bf6 16.Nf7.

10.Nc3 Nb6 11.Ng5 (11.Rad1 Bg4 12.Ng5 Qd7 13.f3 Bf5 14.e4 Bh6 15.Bc1 Be6 16.Rf2; 11.b5 Bf5 12.Ng5 Qc7 13.Nce4 Nbd7 14.Ba3 Be4 15.Ne4 Ne4 16.Be4; 11.a4 a5 12.Ng5 h6 13.ba5 Nc4 14.Nf7 Nd2 15.Qc2 Kf7 16.Qd2) 11...h6 12.Nge4 Bg4 13.c5 dc5 14.Nc5 Qc7 15.h3 Bf5 16.g4.

10.Nc3 Qe7 11.Ng5 (11.Rab1 a5 12.Qa3 a4 13.Nd2 Nb6 14.b5 c5 15.Rbd1 Be6 16.Rc1; 11.Nd2 Nb6 12.a4 Bh6 13.e3 Bf5 14.a5 Nbd7 15.a6 b6 16.Bc6; 11.Rfd1 Nb6 12.a4 Bg4 13.a5 Nbd7 14.h3 Be6 15.Ng5 Rac8 16.Bf3; 11.Rfe1 Nb6 12.a4 Bg4 13.a5 Nbd7 14.h3 Be6 15.Ng5 Rac8 16.Bc1; 11.a3 Nb6 12.a4 Bg4 13.a5 Nbd7 14.h3 Be6 15.Ng5 Rac8 16.a6; 11.e3 Nb6 12.a4 Bf5 13.a5 Nbd7 14.a6 b6 15.e4 Bg4 16.h3; 11.h3 Nf8 12.Qc2 Ne6 13.Rad1 Bd7 14.e3 a5 15.b5 cb5 16.Nb5; 11.Rfb1 a5 12.a3 Nb6 13.ba5 Nbd7 14.Qb4 Qd8 15.Nd2 Nc5 16.Nde4; 11.e4 Nb6 12.a4 a5 13.b5 Nbd7 14.Qc2 Nc5 15.Rfe1 Bg4 16.h3) 11...Nb6 12.b5 Bd7 13.Rab1 Reb8 14.a4 a5 15.e3 Bh6 16.Nge4.

10.Nc3 h6 11.Nd2 (11.Rab1 Nb6 12.b5 c5 13.Nd2 Qc7 14.a4 a5 15.Rfe1 Be6 16.Rbd1; 11.Nh4 a5 12.a3 Nb6 13.b5 a4 14.Qc2 Qc7 15.Rab1 Be6 16.Bc1; 11.Rfd1 Nb6 12.Rab1 Bf5 13.c5 Be6 14.Qa3 Nbd5 15.e4 Nc3 16.Bc3; 11.a3 Qe7 12.Nh4 Nb6 13.a4 g5 14.Nf3 Be6 15.Nd2 d5 16.a5; 11.Rfb1 Nb6 12.a4 Be6 13.b5 Rb8 14.Ba3 a5 15.Qc2 c5 16.Nd2; 11.d4 Qc7 12.Rad1 ed4 13.Rd4 a5 14.Qa3 Ne5 15.c5 d5 16.Ne5; 11.Rfe1 a5 12.a3 Nb6 13.c5 Nbd5 14.Nd5 Nd5 15.e4 Nf6 16.Qc2; 11.Qc2 Nb6 12.a4 a5 13.b5 Bg4 14.Rab1 Rb8 15.Qd2 Qc7 16.Rfd1; 11.e3 a5 12.a3 Nb6 13.c5 Be6 14.Qc2 ab4 15.ab4 Ra1 16.Ra1; 11.Qa3 Nb6 12.c5 dc5 13.bc5 Nbd7 14.Nd2 Bf8 15.Nce4 Nd5 16.Nf3; 11.Rfc1 Nb6 12.a4 a5 13.b5 Qc7 14.Qa3 Be6 15.Rd1 c5 16.e4) 11...Nb6 12.b5 Qc7 13.Nde4 Ne4 14.Ne4 Be6 15.bc6 bc6 16.Qa3.

10.Nc3 Bh6 11.Bc1 (11.h4 a5 12.a3 Ng4 13.e3 Qe7 14.Na4 Qe6 15.b5 Qf5 16.Rad1; 11.d4 e4 12.Nh4 Nb6 13.Rad1 d5 14.cd5 Nbd5 15.b5 Bg4 16.bc6; 11.Rfd1 Nb6 12.b5 Be6 13.a4 Qc7 14.a5 Nbd7 15.a6 Nc5 16.Qc2; 11.Qc2 Nb6 12.a4 a5 13.b5 Bg4 14.Ba3 d5 15.h3 Bf3 16.Bf3; 11.a3 Nb6 12.Bc1 Bc1 13.Rac1 Bg4 14.Ng5 h6 15.Nge4 Ne4 16.Be4; 11.Nh4 a5 12.a3 Nb6 13.b5 Qc7 14.Rab1 Be6 15.e3 Rab8 16.Rfd1; 11.Rab1 Qe7 12.Bc1 Bc1 13.Rfc1 Nb6 14.b5 Bd7 15.Ng5 Rac8 16.Qa3) 11...Bc1 12.Rfc1 Nb6 13.Ng5 Ng4 14.Nce4 h6 15.Nf3 f5 16.Nc3.

10.Nbd2 A) 10...Qe7 11.Rfe1 (11.Ng5 d5 12.Rfc1 h6 13.Nh3 Nb6 14.c5 Nbd7 15.Rab1 Rd8 16.e3; 11.Rfd1 a5 12.a3 Nb6 13.ba5 Nbd7 14.Qb4 Nc5 15.Ng5 Bg4 16.f3; 11.Bc3 Nb6 12.a4 Bg4 13.h3 Be6 14.Ng5 d5 15.a5 Nbd7 16.a6; 11.Rac1 Nb6 12.Ne4 Bg4 13.Rfd1 Rad8 14.Rc2 Bf5 15.Nh4 Bg4 16.Bf3; 11.e4 b6 12.Bc3 Bb7 13.Rfe1 Rab8 14.a3 Ng4 15.h3 Ngf6 16.Nf1; 11.h3 a5 12.a3 b6 13.Bc3 a4 14.Qb2 Bb7 15.e4 Bh6 16.Rfe1; 11.Qa3 Bh6 12.e3 b6 13.b5 Bb7 14.bc6 Bc6 15.Ne5 Bg2 16.Nd7; 11.a3 Nb6 12.a4 Bg4 13.Rfd1 Rac8 14.Bc3 Nbd7 15.h3 Be6 16.Ng5; 11.d4 ed4 12.Bd4 c5 13.Bc3 cb4 14.Qb4 Nc5 15.Nd4 Bg4 16.Rfe1; 11.e3 Nb6 12.a4 Bg4 13.a5 Nbd7 14.h3 Be6 15.Ng5 d5 16.a6; 11.Rfb1 Nb6 12.a4 Bg4 13.Rd1 Rac8 14.h3 Bf5 15.e4 Be6 16.Ng5; 11.Rab1 a5 12.Qa3 a4 13.Rfe1 d5 14.b5 Qa3 15.Ba3 c5 16.cd5) 11...a5 12.a3 b6 13.Bc3 ab4 14.ab4 Bb7 15.Qb2 b5 16.cb5; B) 10...Bh6 11.Rfd1 (11.Qc2 Qe7 12.Rfd1 a5 13.a3 b6 14.Bc3 d5 15.cd5 cd5 16.ba5; 11.Rab1 a5 12.Qa3 Qc7 13.e3 d5 14.Rfe1 Bf8 15.c5 Ra6 16.Rec1; 11.Rfe1 Nb6 12.a4 a5 13.ba5 Nbd7 14.Bc3 Nc5 15.Qc2 Qc7 16.Nb3; 11.a3 Qc7 12.Rfd1 b6 13.h4 Bb7 14.Ng5 Bg7 15.Bf3 Nf8 16.d4; 11.Bc3 Nb6 12.a4 Be6 13.a5 Nbd7 14.h4 Bg4 15.a6 b6 16.Rfe1; 11.Rfb1 a5 12.a3 Nb6 13.c5 Nbd5 14.Nc4 e4 15.Nd4 e3 16.Rf1; 11.Qa3 Nb6 12.c5 Nbd5 13.e4 Bd2 14.Nd2 Nc7 15.Qa5 dc5 16.bc5; 11.h3 a5 12.a3 Nb6 13.c5 Be6 14.Qc2 dc5 15.bc5 Nbd7 16.Ne5; 11.h4 a5 12.a3 Ng4 13.Ne4 Ndf6 14.Neg5 a4 15.Qc2 Bg7 16.d4; 11.e3 a5 12.a3 Nb6 13.c5 Be6 14.Qc2 Nbd7 15.cd6 Bf8 16.Nc4) 11...a5 12.a3 Qe7 13.Bc3 a4 14.Qb2 d5 15.e3 b5 16.cb5; C) 10...Nb6 11.c5 dc5 12.bc5 Nbd7 13.Rac1 Qe7 14.Qc4 Qe6 15.Qe6 Re6 16.Nc4; D) 10...Qc7 11.Ng5 (11.Rfe1 a5 12.a3 b6 13.Ng5 Bb7 14.Bf3 d5 15.cd5 cd5 16.Rec1; 11.e3 a5 12.a3 b6 13.Ng5 Bb7 14.Bf3 d5 15.cd5 cd5 16.Rfc1; 11.Qa3 Bh6 12.c5 b5 13.Ne4 Ne4 14.de4 a5 15.cd6 Qd6 16.ba5; 11.a3 Bh6 12.e3 b6 13.h4 Bb7 14.Ng5 d5 15.Rac1 Qd6 16.Bf3; 11.Bc3 Nb6 12.Ng5 Bg4 13.f3 Bf5 14.e4 Be6 15.f4 ef4 16.Rf4; 11.Qc2 Qb6 12.a3 Qc7 13.Rfd1 b6 14.Ng5 Bb7 15.Bf3 Rac8 16.Rac1; 11.c5 d5 12.Qa3 b6 13.cb6 Qb6 14.Rac1 Ba6 15.Qa4 Bb5 16.Qb3; 11.Rac1 a5 12.Qa3 b6 13.b5 Bb7 14.d4 Bh6 15.bc6 Bc6 16.e3) 11...a5 12.a3 h6 13.Nge4 Ne4 14.Ne4 Nf6 15.Bc3 Bg4 16.Qb2; E) 10...a5 11.a3 Nb6 12.c5 dc5 13.bc5 Nbd7 14.Rac1 Qe7 15.Qc4 Ra6 16.Qc2.

11.a3 Ne6 12.Ne4 Qc7 13.Rfd1 Bd7 14.Qc2 c5 15.e3 a6 16.Bc3.

11.a4 Rb8 12.Rac1 Bf5 13.e4 Bg4 14.h3 Bf3 15.Bf3 Ne6 16.Ne2 Qb6 17.Qa3 Nd7 18.Kh2 a5 19.Bc3 ab4 20.Bb4 Ndc5 21.Ra1 Ra8 Attacking the isolated pawn on a4 22.a5 Qa7 23.Bg4 h5 24.Be6 Re6 25.Bc5 dc5 26.Ra2 b5 27.Nc1 b4 28.Qb2 Qc7 The isolani on a5 becomes a target 29.Nb3 Qd6 30.Qe2 Ree8 31.a6 Red8 32.Rd1 Bf8 33.Qe3 Qc7 34.Rda1 Qb6 (34...Qd6 35.Rd2+=) 35.Ra5 (35.a7 Qc7 36.Ra5 Rd7+/-) 35...Kg7 (35...Ra7!?+=) 36.Kg2 (36.Nc5?! Kg8=) 36...Ra7 37.Nc5 Bc5 38.Qc5 (38.Rc5?! Rd3 39.Rc6 Qc6 40.Qd3 Ra6 41.Ra6 Qa6=) 38...Qc5 39.Rc5 Rd3 40.Rc6 Ra3 41.Rb1 b3 42.c5 R7a6 43.Ra6 Ra6 44.Rb3 Rc6 45.Rc3 Kf6 46.f4 Ke6 47.Kf3 f6 48.Ke3 f5 49.Kf3 Kf6 50.Rc4 Ke6 51.g4 hg4 52.hg4 ef4 53.Kf4 fg4 54.Kg4 Kf6 55.Kf4 Ke6 56.Rc1 Kf6 57.Rc2 Ke6 58.Kg5 Kf7 59.Rf2 (59.Rc3 Ke7+/-) 59...Ke7 (59...Kg7 60.Kf4 Rc5 61.Ke3=) 60.Rc2 Kf7 61.Kf4 Kf6?? (61...Ke6 62.Rc3 Kf6+-) 62.e5 Ke6 63.Ke4 g5 64.Kd4 g4 65.Rf2 Ke7 66.Kd5 g3 67.Rg2 Rg6 68.c6 Rg5 69.c7 (69.Kc5 Re5 70.Kb6 Re3+=) 69...Kd7= 70.c8Q Kc8 71.Ke6 Kd8 72.Kf6 Rg4 73.e6 Ke8 74.Ra2 Rf4 75.Ke5 Rf2 76.Ra8 Ke7 77.Ra7 Ke8 78.Ra8 Ke7 79.Ra7 Ke8 ½-½. Hoerr,M (2205) - Clark,Robert G (2025), 9th Hradec Kralove Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3)

11.Qa4 Ne6 12.Ne4 Qc7 13.Rad1 a5 14.Qa3 Ne4 15.de4 Bd7 16.b5.

11.Rab1 Ne6 12.Rfd1 a5 13.Qa3 Bd7 14.b5 Qc7 15.Bc1 d5 16.b6.

11.c5 Ne6 12.Qa3 Nd4 13.Nd4 ed4 14.Ne4 Ne4 15.de4 Bg4 16.Qd3.

11.Rad1 Ne6 12.Ne4 Qc7 13.Bc3 Ne4 14.de4 a5 15.ba5 Nc5 16.Qc2.

11.Rfd1 Ne6 12.Ne4 Qc7 13.Bc3 Bd7 14.e3 Ne4 15.de4 a5 16.ba5.

11.Nd1 Ne6 12.Ne3 a5 13.Qa3 Bd7 14.b5 cb5 15.Qd6 Ra6 16.Qa3.

11.d4 ed4 12.Nd4 Ne6 13.Ne6 Be6 14.Rad1 Qc7 15.b5 a6 16.b6.

11.Rfe1 Ne6 12.Ne4 a5 13.a3 Ne4 14.de4 Qb6 15.Qc3 f5 16.ef5.

11.Ne4 Ne6 12.Rfd1 Qc7 13.Rac1 c5 14.Neg5 Bh6 15.h4 Qb6 16.b5.

10.a3 A) 10...Qb6 A1) 11.Nbd2 d5 (11...Qc7 12.e4 c5 13.h3 Nh5 14.Ra2 Rd8; 11...Qa6 12.Rfc1 Qb6 13.c5 dc5 14.bc5 Qc7; 11...Qd8 12.e4 a5 13.Bc3 d5 14.ed5 ab4; 11...Re6 12.Ng5 Re7 13.Nge4 Qc7 14.c5 d5) 12.e3 h6 13.Rfc1 a5 14.Bc3 ab4; A2) 11.Rc1 a5 (11...e4 12.de4 Ne4 13.e3 Ndf6 14.Nbd2 Bf5) 12.Qd2 e4 13.Nd4 ed3 14.ed3 Ng4; A3) 11.Nc3 d5 12.e3 a5 13.c5 Qa6 14.Ne2 e4; B) 10...d5 B1) 11.e3 Qe7 (11...b5 12.Nc3 bc4 13.dc4 Nb6 14.Nd2 Qe7; 11...a5 12.Nc3 Qe7 13.cd5 cd5 14.b5 e4; 11...h6 12.Nc3 Nb6 13.cd5 Nfd5 14.Ne2 Qd6; 11...dc4 12.dc4 Qe7 13.Nbd2 Rd8 14.Rfd1 a5) 12.cd5 cd5 13.Nc3 b6 14.Rac1 Bb7; B2) 11.cd5 cd5 12.Rc1 Qb6 13.e3 h6 14.Nc3 a6; B3) 11.Nbd2 Qe7 (11...a5 12.cd5 cd5 13.Rfc1 Qb6 14.Bc3 ab4) 12.Rac1 b5 13.cd5 cd5 14.Qc6 Rb8; C) 10...Qc7 11.Nbd2 (11.e4 a6 12.Nbd2 c5 13.Rfb1 b6 14.Bc1 h6) 11...a6 12.c5 dc5 13.bc5 a5 14.Rfd1 a4; D) 10...h6 D1) 11.Nc3 Qe7 12.Nd2 Qe6 13.e4 a5 14.Nb3 ab4; D2) 11.e4 Qe7 (11...a5 12.Nbd2 Qe7 13.Bc3 d5 14.cd5 cd5; 11...d5 12.Nbd2 a5 13.d4 Ne4 14.Ne4 de4; 11...a6 12.Nbd2 c5 13.Rfb1 g5 14.h3 g4) 12.Nbd2 a5 13.Bc3 ab4 14.ab4 Ra1; D3) 11.Nbd2 Qe7 (11...d5 12.Rac1 e4 13.Nd4 e3 14.fe3 Ng4; 11...a5 12.c5 d5 13.e4 b6 14.d4 ab4; 11...a6 12.e4 c5 13.Rfb1 Qe7 14.Bc1 Qe6; 11...b6 12.Rfd1 d5 13.Rac1 a6 14.cd5 cd5) 12.e4 a5 13.Bc3 ab4 14.ab4 Ra1; E) 10...Qe7 E1) 11.Nc3 Nb6 (11...h6 12.Rfb1 Qe6 13.b5 a6 14.a4 d5; 11...d5 12.cd5 cd5 13.Nb5 Rd8 14.Rac1 a5; 11...a6 12.e3 d5 13.cd5 cd5 14.Nd2 Qe6) 12.a4 Nbd7 13.a5 d5 14.cd5 Nd5; E2) 11.Nbd2 a6 (11...d5 12.e3 b5 13.cd5 cd5 14.Qc6 Rb8; 11...a5 12.e4 h6 13.Rfc1 ab4 14.ab4 Ra1) 12.e4 c5 13.Rfb1 Qe6 14.h3 b5.

10.a4 A) 10...d5 A1) 11.cd5 cd5 12.Rc1 Qe7 13.Qd2 Rb8 14.Ra3 Bf8; A2) 11.h3 Qe7 (11...dc4 12.Qc4 Nd5 13.e4 N7b6 14.Qb3 Nc7) 12.cd5 cd5 13.b5 Qe6 14.a5 Rb8; A3) 11.Na3 e4 (11...Qe7 12.cd5 cd5 13.Bc3 e4 14.Nd4 e3) 12.Nd4 Qe7 13.Bc3 c5 14.bc5 Nc5; A4) 11.Nbd2 Qe7 12.b5 e4 13.de4 de4 14.Ng5 Nc5; B) 10...a5 11.b5 Nc5 (11...Qe7 12.Nc3 d5 13.cd5 cd5 14.Rac1 Qe6) 12.Nc3 Bf5 13.e4 Bd7 14.Bc1 Rc8; C) 10...Qe7 11.Nbd2 a5 (11...d5 12.b5 e4 13.de4 de4 14.Ng5 Nc5; 11...h6 12.a5 d5 13.b5 e4 14.de4 de4) 12.b5 Nc5 13.Rfe1 Bf5 14.e4 Bg4.

10.Nc3 a6 11.e4 (11.Ne4 Qc7= (11...Qe7 12.Nf6 Qf6 13.Nd2 Qe6 14.a4 Bh6; 11...Ne4 12.de4 a5 13.a3 Qf6 14.Rfd1 h6) 12.Rfd1 b6 13.a3 Ne4 14.de4 Re6; 11.a4 d5 (11...Qe7 12.Nd2 Qe6 13.a5 Rb8 14.e3 h6) 12.cd5 cd5 13.Rfc1 d4 14.Nd1 Bh6; 11.a3 Qe7 (11...d5 12.cd5 cd5 13.Rac1 Qe7 14.Qb3 a5; 11...h6 12.Nd2 Qc7 13.e3 Rb8 14.Rab1 b5; 11...Qc7 12.Ne4 Ne4 13.de4 Nb6 14.c5 dc5) 12.Nd2 Qe6 13.e4 b6 14.f4 ef4; 11.e3 Qe7 12.a3 d5 13.cd5 cd5 14.g4 h6) 11...Nf8= (11...h6 12.Rfb1 Qe7 13.a4 a5 14.b5 Qe6; 11...Qc7 12.a3 d5 13.cd5 cd5 14.ed5 Nd5; 11...Qe7 12.Rfb1 b6 13.a4 a5 14.b5 c5) 12.c5 (12.a4 a5 13.b5 Ne6 14.Rab1 g5) 12...Bg4 (12...dc5 13.bc5 Ne6 14.Na4 Nd7) 13.Na4 N6d7 (13...Ne6 14.Nb6 (14.h3 Bf3) 14...Ra7= (14...Rb8 15.Rab1=); 13...N8d7 14.cd6 Qb8) 14.Nd2+= (14.h3 Bf3) 14...dc5 (14...Qe7 15.Nc4 dc5 16.bc5+–) 15.bc5+– Be6 16.Bc3 h5 (16...Rb8 17.Rab1+–) 17.Rab1 (17.Nf3 Qe7+–) 17...Ra7 18.Rb4 (18.Nf3!?+–) 18...a5 19.Rbb1 (19.Rb2 h4+=) 19...Qe7= 20.Ba1 Nb8 (20...h4!?=) 21.f4+= Na6 22.f5 (22.a3 Nd7 23.fe5 Nac5 24.Bd4 Na4 25.Ba7= (worse 25.Qa4 c5 26.Bf2 Ne5–/+)) 22...Nb4=+ 23.Rb4 (23.Qc3 Ba2 (worse 23...Na2 24.Qb2 Nb4 25.fe6 Ne6 26.Nb3+–) 24.Rbd1 Nd7=+) 23...ab4 24.fe6 Ne6 25.Bb2 Rea8 26.Nb6 Ra2 (26...Qc5 27.Qc5 Nc5 28.Na8 Ra8 29.Nb3 Nd3 30.Bc1 Ra2 31.Be3–/+) 27.Nb3 (27.Na8!? Qc5 28.Qc5 Nc5 29.Nc4 Ra8 30.Be5 (worse 30.Ne5 Ra2 31.Rb1 b3–+) 30...Nd3 31.Bg7 Kg7 32.e5=) 27...Rd8 28.Kh1 (28.Rd1 Bf8 29.Nc4 Nc5–+) 28...h4 29.Bh3? (better 29.gh4!? Nf4 30.Nc1 Rb2 31.Qb2 Qc5 32.Qf2 Qf2 33.Rf2–/+) 29...hg3–+ 30.hg3 Qg5 (better 30...Rb2 31.Qb2 Rd3–+) 31.Qf2?? (better 31.Be6 fe6 32.Kg2=) 31...Rd3–+ 32.Qf7 Kh7 33.Be6 (33.Nc4 Nd8 34.Qf2 Rg3 35.Bd7 Qh5 36.Qh2 Qh2 37.Kh2 Rb3 38.Rf2–+) 33...Qh5 (33...Rb2 34.Qe7 Qe7 35.Bg8 Kg8 36.Nd5 Qg5 37.Ne7 Kh7 38.Ng6 Rg3 39.Nf8 Kg8 40.Rf2 Rf2 41.Ne6 Rh3) 34.Kg2 Rb2 35.Rf2 Rd1 (35...Qg5 36.Qf3 Rf3 37.Kf3 Qh5 38.Kg2 Rb1 39.Nc1 Rc1 40.Bh3 Qd1 41.g4 Qh1 42.Kg3 Rc3 43.Rf3 Rf3 44.Kh4 Qh3 45.Kg5 Qh6) 36.Bh3 (36.Rb2?? Qh1 37.Kf2 Qf1 38.Ke3 Rd3) 36...Rbb1 (better 36...Rh1! 37.Kh1 (37.Rb2 Qh3 38.Kf3 Rf1 39.Rf2 Re1 40.Qd7 Qh1 41.Rg2 Rf1 42.Ke3 Qg2 43.Qg4 Qc2 44.Qh4 Bh6 45.Qh6 Kh6 46.Nd2 Re1 47.Kf3 Qd1 48.Kg2 Qe2 49.Kh3 Rh1) 37...Qh3 38.Kg1 Rb1 39.Rf1 Qg3 40.Kh1–+) 37.Qf3 Rg1 38.Kh2 Rh1! 39.Qh1 Rh1 40.Kh1 Qd1 (40...Qh3 41.Rh2 Qh5 42.Rh5 gh5 43.Nc4+–) 41.Bf1 (41.Kg2 Qb3 42.Bg4 Qd3–+) 41...Qb3 42.Rh2 (42.Kh2 Qb1–+) 42…Bh6 0–1. Martin (2430) – Cladouras (2355), Gausdal, 1991. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 e5 7.0-0 c6 8.d3 Nbd7)

10.Nc3 Nb6 11.a4+= a5 12.b5 Bf5 13.Nd2 d5 14.e4 Be6.

10.Nc3 Qc7 11.Rac1 (11.a4 a5 12.b5 Nc5=) 11...c5 (11...a5 12.b5=) 12.a3 Rb8 (12...a6 13.Qa4=) 13.e3 a6 14.b5 (14.Ng5 b5+=) 14...a5 (14...Ra8 15.Nd2=) 15.Ne2 (15.Ng5 Nb6+–) 15...b6 (15...Nb6 16.Nd2+=) 16.Nd2 Bb7 17.e4 (17.Bb7 Qb7 18.e4 Re7+=) 17...Nf8 18.f4 Ng4 19.Rf3 f6 (19...f5 20.h3 Nf6 21.Rf2+=) 20.h3 (20.Bh3 f5+=) 20...Nh6+= 21.Rcf1 (21.Nc3 ef4 22.Rf4 Ne6+=) 21...Ne6 (21...f5 22.fe5 de5 23.Nc3+=) 22.R3f2 (22.g4 Ra8+=) 22...Nd4 (22...f5 23.Qb3+=) 23.Qd1 (23.Nd4 ed4 24.Re1 Re7+=) 23...f5 24.Nc3 (24.fe5 de5 25.Bc3 Re7=) 24...Rf8 (24...ef4!? 25.gf4 Bf6=) 25.a4 (25.ef5 Bg2 26.Rg2 Nhf5= (worse 26...gf5 27.Nd5 Qd7 28.Bd4 cd4 29.Qh5+–; worse 26...Rf5 27.Nd5 Qd7 28.g4+–)) 25...Rbe8 ½–½. Krutina,Miroslav (1980) – Molnar,Ladislav (1735), 26th WSCC, 2016. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 e5 4.d3 g6 5.b4 Bg7 6.Bb2 0-0 7.c4 c6 8.0-0 Nbd7)

10.Nc3 Qe7 A) 11.a3 h6 (11...a6 12.h3 d5 13.cd5 cd5 14.Rfc1 Qe6; 11...Nb6 12.a4 Nbd7 13.a5 d5 14.cd5 Nd5; 11...d5 12.cd5 cd5 13.Nb5 Rd8 14.Rac1 a5) 12.Nd2 Qe6 13.e4 a5 14.Nb3 b6; B) 11.Rfc1 h6 (11...a6 12.a4 d5 13.cd5 cd5 14.b5 d4) 12.b5 a6 13.a4 Nc5 14.Rcb1 Bf5.

10.Nbd2 A) 10...h6 A1) 11.e3 Qe7 (11...d5 12.a4 a5 13.b5 Qe7 14.cd5 cd5; 11...a5 12.a3 d5 13.Nb3 b6 14.ba5 ba5) 12.a4 a5 13.b5 Nc5 14.Nb3 Nb3; A2) 11.a3 Qe7 (11...d5 12.Rfc1 Qb6 13.e3 a5 14.Bc3 ab4; 11...a5 12.Bc3 d5 13.e3 a4 14.Rac1 b5; 11...a6 12.c5 d5 13.e4 Qe7 14.ed5 Nd5) 12.e4 Qe6 13.d4 ed4 14.Nd4 Qg4; A3) 11.e4 a5 (11...d5 12.cd5 cd5 13.ed5 Nd5 14.Qb3 Nc7; 11...Qe7 12.a3 a5 13.Rfc1 d5 14.cd5 cd5; 11...Nf8 12.d4 ed4 13.Nd4 c5 14.bc5 dc5; 11...a6 12.a3 d5 13.cd5 cd5 14.ed5 Nd5) 12.a3 d5 13.d4 Ne4 14.Ne4 de4; A4) 11.a4 Qe7 (11...d5 12.b5 a6 13.Rfc1 Qe7 14.cd5 cd5) 12.a5 d5 13.b5 e4 14.de4 de4; B) 10...d5 B1) 11.a3 a5 (11...Qe7 12.cd5 cd5 13.Rac1 Qe6 14.e4 d4; 11...Qb6 12.e3 h6 13.Rfc1 a5 14.Bc3 ab4; 11...b5 12.e4 d4 13.a4 bc4 14.Nc4 Qc7; 11...a6 12.Rac1 Qb6 13.cd5 cd5 14.Qc7 Qe6) 12.cd5 cd5 13.Rfc1 Qe7 14.b5 e4; B2) 11.a4 Qe7 12.b5 e4 13.de4 de4 14.Ng5 Nc5; C) 10...a5 C1) 11.a3 d5 (11...h6 12.Rfc1 Qe7 13.ba5 Ra5 14.Nb3 Ra7; 11...Qe7 12.ba5 Ra5 13.a4 Nc5 14.Bc3 Ra6) 12.cd5 cd5 13.Rfc1 Qe7 14.b5 e4; C2) 11.c5 ab4 (11...d5 12.a3 Qe7 13.e4 ab4 14.ab4 Ra6) 12.cd6 Ra6 13.Nc4 Nd5 14.Rfc1 N5b6; C3) 11.b5 a4 (11...Qc7 12.bc6 bc6 13.Rfb1 Nc5 14.Ba3 Nfd7; 11...Qe7 12.bc6 bc6 13.Rab1 Nc5 14.Ng5 Bd7) 12.bc6 bc6 13.Rab1 a3 14.Bc3 Qc7; D) 10...Qb6 D1) 11.Bc3 d5 (11...Qc7 12.a4 d5 13.b5 cb5 14.ab5 e4) 12.a4 Qc7 13.a5 Qd6 14.e3 h6; D2) 11.a3 d5 12.e3 h6 13.Rfc1 a5 14.Bc3 ab4; E) 10...Qe7+= E1) 11.a3 d5 (11...a6 12.e3 a5 13.Rfc1 ab4 14.ab4 Ra1; 11...a5 12.Rfc1 ab4 13.ab4 Ra1 14.Ra1 d5) 12.Rac1 Qe6 13.b5 a6 14.b6 h6; E2) 11.Rac1 h6 (11...d5 12.a3 b5 13.cd5 cd5 14.Qc6 Rb8; 11...a6 12.Rfe1 d5 13.cd5 cd5 14.a3 e4; 11...a5 12.b5 Nc5 13.a4 Bf5 14.e4 Bd7) 12.Rfd1 d5 13.cd5 cd5 14.a3 Qe6; E3) 11.a4 a5 (11...d5 12.b5 e4 13.de4 de4 14.Ng5 Nc5; 11...h6 12.a5 d5 13.b5 e4 14.de4 de4) 12.b5 Nc5 13.bc6 bc6 14.Ba3 e4.

10.a4 a5 11.b5 Re8 12.Rb1 d5 13.c5 Nbd7 14.d4 e4.

10.b5 a6 11.bc6 bc6 12.c5 dc5 13.Ne5 Qc7 14.Rb1 Re8.

10.b5 Bg4+= A) 11.a4 a6 (11...a5 12.h3 Bf3 13.Bf3 d5 14.Qb3 Re8; 11...cb5 12.ab5 Qc7 13.h3 Bd7 14.Qd2 Rfe8) 12.h3 Bf3 13.Bf3 ab5 14.ab5 Ra1; B) 11.c5 Bf3 12.Bf3 dc5 13.bc6 bc6 14.Bc6 Rc8.

10.Qc2 Be6 11.a4 (11.b5 cb5 12.Nb5 a6 13.Nc3 Qc7 14.a4 Nbd7) 11...a5 12.b5 Qc7 13.Rab1 Rab8 14.Ng5 d5.

10.Qc2 Qe7 11.a4+= Bf5 (11...a5 12.b5+= Re8 13.Qd2 Nbd7 14.Ra2 Nc5; 11...d5 12.a5 Nbd7 13.cd5 cd5 14.b5 Re8) 12.Nd2 (better 12.Nh4!? Bc8 (12...Bd7 13.a5 Nc8 14.Nf3 Re8) 13.a5+– Nbd7 14.a6 Nb8) 12...d5= 13.Qb3 (13.e4 de4 14.Nce4 (14.de4 Be6) 14...Rad8= (14...Qb4? 15.Ba3 Qa5 16.Nb3+–; 14...a5 15.ba5 Nbd7+–)) 13...Rfd8 (13...Bh6 14.Nf3 dc4= (14...d4 15.Nb1=+)) 14.cd5= Nbd5 (worse 14...cd5 15.a5 Nbd7 16.Bd5 Nd5 17.Nd5+–) 15.b5 (15.e4 Nc3 16.Qc3 Be6=) 15...Nc3 (15...Rac8 16.bc6 bc6 17.Ba3=) 16.Bc3 c5 (16...e4 17.bc6 bc6 18.Ne4 Ne4 19.Bg7 Kg7 20.de4 Be4 21.Qc3 Kg8 22.f3=) 17.a5 (17.Qb2 Ne8+=) 17...Rac8 (17...Be6 18.Qb2 Nd5 19.Bd5 Bd5 20.f4=) 18.Rac1 (18.a6 b6 19.Qb2 Ne8+=) 18...Ne8 (18...Re8 19.Qb2+=) 19.b6 (19.Qb2 f6+=) 19...a6 (19...ab6 20.Nc4 Be6 21.ab6 Bc4 22.Qc4=) 20.Bb2 (20.Nc4 Nd6+=) 20...Nd6 21.Nc4 Nb5 (21...Be6 22.Rfd1=) 22.Rfe1 (22.Ne3 Be6 23.Bd5 Bh3=+) 22...Nd4=+ 23.Qa3 Bg4 24.Bd4 ed4 (24...Rd4 25.Rc2=+) 25.Bf3 (25.e4 f6+=) 25...Bf3 (25...h5 26.h4=) 26.ef3+= Qf6 27.Kg2 h6 (27...Qc6 28.Qa2+=) 28.h4 (28.Re4 Qc6+=) 28...Qc6 29.Re2 Re8 30.Rce1 Kf8 (30...Re2 31.Re2 Bf6 32.Qc1=) 31.Qb2 (31.Qc1 Re2 32.Re2 Qf6+=) 31...Re2 32.Qe2 Bf6 33.Qe4 Qe4 34.Re4 (34.fe4 Be7+=) 34...Rc6= 35.f4 (35.Re1 Be7=) 35...Be7 (35...Bg7 36.Re1=) 36.Kf3 (36.Re5 h5+=) 36...f5= 37.Re1 Bf6 38.Rc1 Ke7 39.Nd2 Kd7 40.Nc4 Rc8 (40...Re6 41.Nd2 Be7 42.Nb3=) 41.Ke2 (41.Re1 Rf8=) 41...Ke6 (41...Re8 42.Kf3=+) 42.Kd2 ½–½. Herrmann – Matt, Schoeneck, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.c4 e5 7.d3 c6 8.0-0 Nbd7)

10.Qc2 Re8 11.a4 a5 (11...Nbd7 12.a5 Qe7 13.b5 cb5 14.cb5 d5; 11...d5 12.a5 Nbd7 13.cd5 Nd5 14.Nd5 cd5) 12.b5 Bg4 13.h3 Bf3 14.Bf3 d5.

10.Qc2 Bf5 A) 11.c5 dc5 12.bc5 Nbd7 13.Nd1 Qe7 14.Rc1 e4; B) 11.Nd2 Be6 (11...d5 12.e4 Be6 13.c5 de4 14.de4 Nbd7) 12.a4 a5 13.b5 d5 14.bc6 bc6; C) 11.e4 Bg4 (11...Be6 12.Ng5 Bd7 13.c5 Nc8 14.Ne2 h6) 12.h3+= (12.Bc1 a5 13.b5 Nfd7 14.h3 Bf3) 12...Be6 13.Ng5 Bc8 14.a4 a5.

10.Qc2 Bg4 11.a4 (11.h3 Bf3 12.Bf3 d5 13.cd5 Nfd5 14.Nd5 cd5; 11.b5 cb5 12.Nb5 Qd7 13.Qb3 Rfd8 14.a4 Nc8) 11...a5 12.b5 Qd7 13.bc6 bc6 14.c5 Nbd5.

10.a4 a5 11.b5 cb5 12.ab5 Ra7 13.Ne1 b6 14.Nc2 Nc5 15.d4 Ne6 16.Ra2 Rd8 17.Qa1 Rc7 18.Rd1 Ng4 19.h3 Nf6 20.de5 de5 21.Be5 Rcd7 22.Bc3 Ne4 23.Be4 Rd2 24.Rd2 (worse is 24.Bd2 Ba1 25.Raa1 Nc5–+) 24...Rd2 25.Bg7 (25.Bd2 Ba1 26.Ra1 Nd4 27.Nd4 Qe4–+) 25...Ng7 26.Qe1 Rd8 27.Bg2 Qc5 28.Ne3 Be6 29.Rd2 Rd2 30.Qd2 Nf5 31.Qd8 Kg7 32.Ng4 h5 33.Qf6 ½–½. Poleschi (2425) – Seris Granier Gonzales (2110), Liape Magistral, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.c4 e5 8.d3 Nbd7)

10.Qb3 Nh5 11.Ne4 h6 12.c5 d5 13.Nd6 Kh7 14.e4 d4 15.Nd2 Ndf6 16.Nc8 Rac8 17.Bf3 Bh8 18.Nc4 Ng7 19.Bg2 Nfh5 20.Rae1 Ne6 21.Bc1 Rc7 22.Qa4 a6 23.Qd1 Bg7 24.Bf3 Nf6 25.Ne5 Nc5 26.bc5 Qe5 27.Bf4 Qe7 28.Bd6 Qd8 29.Bg2 Re8 30.f4 Rc8 31.Bh3 Ra8 32.f5 g5 33.e5 Nd5 34.f6 Bf8 35.Qh5 Kg8 36.e6 Nf6 37.Qf7 1–0. R Mueller – Einwiller, 1995.

10.Qc2 d5 11.c5 e4 12.de4 de4 13.Ng5 e3 14.Nde4 ef2 15.Nf2 Ne5 16.Nge4 Nd5 17.Qc1 Nb4+= 18.Nd6 Be6 19.Ba3 Na6 20.Rb1 Rab8 21.Qc2 Qc7 22.Rfc1 Rfd8 23.Nfe4 Nd7 24.Qd2 Bd5 25.Qg5 Ndc5 26.Nc5 Bd4 27.e3 Bc5 28.Bc5 Nc5 29.Bd5 ½–½. Kek Wei Chuan (2115) – Wee Zhen Yang (2075), 20th Cairnhill Open, Singapore SIN, 2002.

10.e4 Ne8 11.Qb3 Kh8 12.d4 c5 13.bc5 dc5 14.de5 Ne5 15.Ne5 Be5 16.f4 Bb2 17.Qb2 Ng7 18.f5 f6 (18...gf5 19.ef5 Qe3 20.Kh1+=) 19.Rae1 Qe5 20.Qe5 fe5 21.fg6 Be6 22.gh7 Kh7 23.Rc1 Rf1 24.Bf1 Bg8 (24...Rf8!?+/-) 25.Nf3+- Re8 26.Rd1 Re7 27.h4 Nh5 28.Ng5 Kg7 29.Kf2 Nf6 30.Be2 Rd7 31.Rd7 Nd7 32.Nf3 Kf6 (32...Nf6!? 33.Ne5 Ne4 34.Kf3 Nc3+/-) 33.g4+- Be6 34.Kg3 b5 35.g5 Kg7 36.Ne1 (36.Nd2 Nb6 37.cb5 Ba2+-) 36...b4? (better 36...bc4 37.h5 Nf8+/-) 37.Bg4+- Bg4 38.Kg4 a5 39.Nd3 a4 40.Kf5 Nb6 (40...a3 41.Nc1+- (41.Ne5 Ne5 42.Ke5 b3 43.ab3 a2-+)) 41.Nc5 (41.Ne5? b3 42.ab3 a3-+) 41...b3 (41...a3+-) 42.Nb3! (42.Nb3 Nc4 43.Nc5+-; worse 42.ab3 a3 43.b4 Nc4+-) 1-0. Dobrovolsky,L (2285) - Mayer,Jos (1995), Stare Mesto Open, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.c4)

10.a4 Qe7 11.e4 d5 12.ed5 cd5 13.b5 d4 14.Re1 Qd6 15.Nb3 Rb8 16.Ba3 Qc7 17.c5 Nf8 18.Nfd2 Be6 19.c6 Nd5 20.Nc5 Nc3 21.Qc2 Bd5 (21...a6 22.Nb1 Nd5 23.Re2+/–) 22.Nde4 (22.Bd5 Nd5 23.Nb7 Rb7+/–) 22...Be4 23.de4 Ne6 24.Nb7 Bf8 25.Bh3 (25.Qd3 Ba3 26.Ra3 Rb7 27.cb7 Qb7 28.Rc3 dc3+/–) 25...Ba3 (25...Ng5!? 26.Bg4 Ba3 27.Ra3 Nce4=) 26.Ra3 Nb5 27.ab5 Rb7 28.Be6 fe6 29.Qc5 Reb8 30.Rb1 Rb6 31.Rbb3 (31.Rba1 Rb5 32.Ra7 Rc5 33.Rc7 d3+/–) 31...Kg7 (31...a6 32.Ra5 Kg7+=) 32.Qc4+= Re8 33.Ra4 Re7 34.Rba3 a5 35.Ra5 (35.Ra5 Qd6 36.Ra7+–) 1–0. Amirkhanov,Rinat (2100) – Lesnichy, UKR–chT Alushta, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6 8.c4 Nbd7)

10.Nb3 Nf8 11.c5 Nd5 12.a3 Be6 13.cd6 Qd6 14.Nc5 Qc7 15.e4 Ne7 16.Nh4 b6 17.Na6 (better is 17.Ne6!? Ne6 18.Bh3=) 17...Qb7–/+ 18.Qa4 Rad8 19.Rfd1? (better is 19.b5–/+) 19...f5?? (better is 19...Bc8–+) 20.ef5= Nf5? (better is 20...gf5!? 21.b5 Rd6=) 21.Nf5 Bf5 22.Bc6+– Qe7 23.Be8 Re8 24.Rac1 Bh3 25.Nc7 Rd8 26.Qb3 Ne6 27.Nd5?? Qb7+/– 28.Ne3 Kh8 29.Qc2 Nd4 30.Bd4 ed4 31.Qc7 Qa8 32.Qc6 Qc6 33.Rc6 de3 34.fe3 Bb2 35.a4 Rd7 36.d4 Kg7 37.Rb1 Ba3? 38.Rb3?? Rf7–/+ 39.Rb1 Bb4 40.Rb2?? Rf1 0–1. Lonyuk,Bohdan – Molina,Vicente Andres, 29. LSS No Engine Cup Preliminary, 2010.

10.Rc1 Rb8 11.Ba3 Nf8 12.c5 d5 13.e4 Qc7 14.Re1 Bg4 15.Qa4 Rbd8 16.Bb2 Bh6 17.Rc2 N8d7 18.ed5 cd5 19.Qb3 Bf5 20.Nh4 Be6 21.Bc1 Bg7+= 22.a3 Nb8 23.Nhf3 Nc6 24.Qb1 Bf5–/+ 25.Qb3? e4–+ 26.de4 de4 27.Rc3 ef3 28.Re8 Re8 29.Nf3 Ne4 30.Bf4 Qe7 31.Re3 Qe6 32.Qd1 Rd8 33.Bd6? Qa2 34.Qe1 Nd6 35.cd6 Qa1 36.Qa1 Ba1 37.b5 Nd4 38.Nd4 Bd4 39.Re7 Rd6 40.Rb7 Bb6 41.Kf1 Bd3 42.Ke1 Bb5 43.f4 Ba5 44.Kf2 Rd2 45.Kg1 Bb6 46.Kh1 0–1. Cohen Solal,Lennie – Delivre,Raphael (1975), FRA–chT U20, 2004.

10.Qc2 d5 11.e3 b6 12.Nb3 a5 13.ba5 ba5 14.a4 Bf8 15.Bc3 Bb4 16.Bb4+= ab4 17.Rfc1 e4 18.Nfd2 ed3 19.Qd3 Ne5 20.Qd4 Ba6 21.Nc5 Nc4 22.Na6 Nd2 23.Qd2 Ra6= 24.Qb4 Qd7 25.Bf1+/– Ra7 26.Qc3 Qe7 27.Qc6 Rea8 28.Bb5 Kg7 29.Ra2 Qe4 30.Rd2 Qe7 31.Qc3+– Kg8 32.Qd4 Rd8 33.Rdc2 Kg7 34.Rc6 Rb7 35.R1c5 Rd6 36.Rd6 Qd6 37.e4 (37...Qe6 38.Rc6+–) 1–0. Muller,P – Seifert, corr SOK–91–69, 1991.

10.Qc2 d5 11.e4 a5 12.b5 a4 13.Rab1 Bf8 14.bc6 bc6 15.ed5 cd5 16.Rfe1 Qc7 17.Bc3 Ra7 18.Rb5 (18.d4 e4 19.Ne5 Bg7= (worse is 19...Ne5 20.de5 Bf5 21.ef6+=)) 18...Ba6 19.Ba5 (19.Rb2 dc4 20.dc4 a3+=) 19...Qc6 (19...Qc8!? 20.Rbb1 Bc4–/+) 20.Rbb1= Bc5 21.d4 ed4 22.cd5 (better is 22.Re8 Ne8 23.cd5 Qd5 24.Qa4+=) 22...Qd6 (better is 22...Re1 23.Re1 A) worse is 23...Nd5 24.Nd4 Qf6 A1) worse is 25.Bd5 Qd4 (worse is 25...Bd4 26.Nf3 Bc5 27.Re8 Bf8 28.Bb4+/–) 26.Re8 Nf8–+; A2) 25.Nf5 Qf5 26.Qf5 gf5 27.Bd5+=; B) worse is 23...Qd5 24.Ne5 Qe6 25.Ndf3+=; C) 23...Qb5–/+) 23.Re8+= (worse is 23.Qa4 Re1 24.Re1 Bb7+= (24...Qd5 25.Ne5 Qe6 26.Nb3 Ne5 27.Nc5+/–)) 23...Ne8 24.Ne4 d3 (24...Qd5 25.Nfd2 Qf5 26.g4+/–) 25.Qc3 (25.Qa4!? Qe7 26.Nd4+–) 25...Qd5+= 26.Nfd2 (26.Nc5 Qc5 27.Re1 Nef6 28.Qc5 Nc5=) 26...Qd4 (better is 26...Be7+=) 27.Nc5 Qc5 28.Qc5 Nc5 29.Rb8 Re7 30.Bc6 Re1 31.Kg2 Kf8 (31...Kg7 32.Bb4 Rc1 33.Re8 g5+–) 32.Bb4 Rc1 33.Re8 Kg7 34.Re5 Ne6 35.Ba4 Kf6 36.f4 Bb7 37.Kf2 g5 38.Ne4 Kg7 39.Ng5 Ng5 40.Rg5 Kh6 41.Bf8 1–0. Peeters,Bart (1765) – Auwens,Michiel (1885), NBSB–chB Roosendal rapid, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.g3 d6 6.Bg2 0-0 7.0-0 e5 8.d3 Nbd7 9.Nbd2 Re8)

10.e4 a6 11.Qc2 Nf8 12.c5 dc5 13.bc5 N6d7 14.Nc4 Nc5 15.Nce5 Nfd7 16.Nc4 Bb2 17.Nb2 Qe7 18.Nc4 a5 19.e5 Rd8 20.d4 Na6 21.a3 Nc7 22.Qd2 Nd5 23.Rfe1 a4 24.Ng5 N7b6 25.Nd6 Be6 26.Rab1 Rd7 27.Nge4 Nc8 28.Nc5 Rc7? (better is 28...Nd6 29.ed6 Qd6 30.Nd7 Qd7+/–) 29.Ncb7+– Rb8 30.Nc8 Bc8 31.Nc5 Rb1 32.Rb1 Bf5 33.Rb8 Kg7 34.h4 (worse is 34.Na4 Qa3 35.Bd5 Qa4+/–) 34...h6 35.Qf4?? (better is 35.Qa5 f6 36.f4 fe5 37.fe5+–) 35…Nf4–+ (35...Nf4 36.gf4 Qh4–+) 0–1. Beletic,D (2245) – Jergovic,A (1980), Opatija CRO, Summer Open, 2013. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 Nbd7)

9.Nc3 Qb6 =.

9.Nbd2 a5 10.a3 h6 11.c5 dc5 12.bc5 Nfd7 13.Qc2 Na6 14.Rab1 Qc7 (worse is 14...Ndc5 15.Be5 Be5 16.Ne5+=) 15.d4 Rad8 16.e3 Rfe8 17.Ne4 Bf5 18.Nfd2 Nf8 19.Qa4 ed4 20.Bd4 Ne6 21.Bg7 Kg7 22.Rbc1 Nac5 23.Nc5 Rd2 24.Nb7 Qb7 25.Bc6 Qb2 26.Be8 Ng5 27.Bc6 Nh3 28.Kh1?? Nf2–+ 29.Rf2 Qc1 30.Kg2 Bh3!! (30...Bh3 31.Kh3 Rf2 32.Qd4 Kh7–+) 0–1. Ishhanov,T (2350) – Hunt,A (2460), Northern California International, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 e5 7.d3 c6 8.0-0)

9.Nbd2 Nbd7 10.Ng5 h6 (10...a5 11.b5 cb5 12.cb5=) 11.Ne6 fe6 12.a4 a6 (12...Qe7 13.b5=) 13.a5+= d5 14.Nf3 e4 (14...Qc7 15.Qd2+=) 15.Nd4 (15.de4 Ne4 (worse is 15...dc4 16.Qc2+/–) 16.Bg7 Kg7+=) 15...Qe7= 16.Bh3 e5 (worse is 16...Qb4 17.Ba3 Qc3 18.Bf8 Qd4 19.Bg7 Kg7 20.Be6+/–) 17.Ne6 Rfc8 (17...Rf7!? 18.Qb3 d4+=) 18.cd5+/– cd5 19.de4 d4 20.f4 Qb4 21.Ba3 Qc4? 22.Ng7 Kg7 23.fe5 Ne5 24.Rc1 (24.Rc1 Qg8 25.Rc8 Rc8 26.Qd4+–; 24.Bc8?! Rc8 25.Rc1 Qe6 26.Rc8 Qc8 27.Qd4 Qe8+–) 1–0. bschardein (2505) – llinna (1905), net–chess.com, 2005.

9.Nbd2 Nh5 10.a4 (10.Ne4 Na6+=) 10...f5 11.Qc2 Nd7 12.b5 (12.a5 Qe7+=) 12...c5 (12...Bf6 13.Bc3+=) 13.a5+= Rb8 14.e3 g5 15.d4 (better 15.a6!? b6 16.h4 gh4 17.Nh4=) 15...e4 16.Ne1 g4 (16...cd4 17.ed4 d5 18.Qa4=+) 17.a6 (17.Qc3 cd4 18.ed4 Rc8=+) 17...b6 18.d5 (18.Qc3 d5 19.Nc2 dc4=) 18...Bf7=+ 19.h3 Nhf6 (19...Qg5 20.Bg7 Qg7 21.Ra3=+) 20.Kh2 (20.hg4 Ng4 21.Bh3 Bb2 22.Qb2 Nde5=) 20...h5 (20...Qe7 21.Kg1=+) 21.h4 Qe7 22.Rg1 (22.Bc3 Ne5=+) 22...Ne5=+ 23.Be5 Qe5 24.Rc1 Nd7 25.Bf1 Bf6 26.Ng2 Qe7 27.Rh1 (27.Kh1 Ne5=+) 27...Be5 (27...Ne5 28.Nf4=+) 28.Nf4 Kg7 29.Nb1 Nf6 (29...Bf6 30.Nc3=+) 30.Nc3 Kh6 31.Bg2 Rbe8 (31...Nd7 32.Nce2=) 32.Rhe1 Bc3 33.Qc3 Qe5 34.Qe5 (34.Qb3 Nd7=) 34...de5= 35.Ne2 Rd8 36.Nc3 Rd6 (36...Ne8 37.Rc2=) 37.Rcd1 (37.Bf1 Ne8=) 37...Rfd8 38.Rd2 Kh7 (38...Ne8 39.Ra1=) 39.Red1 (39.Bf1 Ne8=) 39...Kh6 40.Kg1 Kh7 41.Na4 Nd7 (41...Ne8 42.Re1=) 42.Bf1+= Kg6 43.Nc3 Kf6 44.Bg2 Bg6 (44...Ke7 45.Ra1+=) 45.Kf1 Kg7 46.Ke2 Kf6 47.Rf1 Rg8 48.Kd1 Ke7 49.Kc1 Kd8 ½–½. Guelsen,T (2155) – Shakhverdian,William (1770), 21st HZ Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 Be6)

9.Ng5 Bd7 10.Qc2 h6 11.Nf3 Qc8 (11...Re8 12.Nc3=) 12.Nbd2 (12.c5 Bg4+=) 12...Na6 13.a3 Bh3 14.c5 Bg2 15.Kg2 dc5 16.Be5 cb4 17.ab4 Nb4? (better is 17...Qe6=) 18.Qb2+– Nh5? (better is 18...Re8 19.Qb4 Nd5+/–) 19.Ne4?? (better is 19.Qb4 Qe6 20.Bg7 Kg7 21.Qb7 Qe2+–) 19...Re8?? (better is 19...Nd5=) 20.Bg7+– (20.Qb4?! Be5 21.Ne5 Re5+=) 20...Ng7 (20...Qe6 21.Bh6 a5 22.Bd2+–) 21.Nf6 (21.Nf6 Kh8 22.Ne8 (22.Qb4?! Re6 23.Ng4 c5+–) 22...Qe8 23.Qb4+–; 21.Qb4?! Re6+–) 1–0. Nwoye,Nnamdi – Hamer,Martyn (2010), Caleta ENG, Gibraltar Challenger–B, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0 Be6)

9.Ng5 Qe7 10.Ne6 fe6 11.Qb3 Nbd7 12.Nd2 Rab8 13.a4 d5 14.e3 Rfd8 15.Rfd1 Kh8 16.Ba3 Qf7 17.Qc2 Ng4 18.Nb3 b6 (18...e4!? 19.d4 e5 20.cd5 ed4 21.Nd4 cd5=) 19.Rac1 Rbc8 20.Qe2 Nh6 21.Rc2 Nf5 22.Rdc1 Ne7 23.c5 bc5 24.Nc5 Nc5 25.Rc5 Qe8 26.Bh3 Nf5 27.Qc2 Bf8 28.Rc6 Rb8 29.Bb2 Rb4 30.Be5 Bg7 (30...Kg8 31.e4 de4 32.de4+–) 31.Bg7 (31.Bf5!? Be5 32.Be6 Rb6+–) 31...Ng7 32.Be6! (32.Be6 Ne6 33.Qc3 Nd4 34.Qa1+/–) 1–0. Eymann,Henri – Kleisinger,Guenter, Wiesbaden op, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.c4 c6 8.0-0 Be6)

9.Na3 Nbd7 10.Rc1 (10.Nc2 a5 11.a3 Nb6=) 10...a5 11.b5 c5 (11...Qc7 12.Nd2 Nc5 13.bc6 bc6 14.Nb5=) 12.e3 (12.Qd2 Nb6=) 12...Nf8 (12...Qe7 13.Nb1=) 13.Re1 (13.Nb1 Ne6+=) 13...Bd7 (13...a4 14.Nb1+=) 14.Nd2 (14.Nb1 Qb6+=) 14...Bg4 (14...Qc7 15.Nab1+=) 15.f3 (15.Qa4 Qd7=) 15...Bf5 (15...Be6 16.Nab1=) 16.Qe2 (16.Ne4 Be6=) 16...b6 (16...Be6 17.Nab1=) 17.Ne4+= Be6 (17...Ra7 18.Nb1+=) 18.Qf2 (18.Nf6 Bf6 19.Nb1 Ra7+=) 18...Ra7 (18...Ne4 19.de4 Nd7 20.Red1=) 19.f4 Ng4 20.Qf1 (20.Qd2!?=) 20...f5=+ 21.Ng5 (better 21.Nc3!?=+) 21...ef4–/+ 22.Bg7 Qg5 (22...fg3 23.Bf8 gh2 24.Kh1 Qg5 25.Bd6–/+) 23.Bf8=+ (23.gf4? Qh4 24.h3 Rg7 25.hg4 fg4–+) 23...f3 (23...Ne3 24.Re3 fe3 25.Bd6=) 24.Qf3= Kf8 (24...Rf8 25.Qc6 Qd8 26.d4=) 25.Qf4 Qf4 26.gf4 (26.ef4 Nf6=) 26...Rae7 (26...Bf7 27.e4=+) 27.h3 (27.Nb1 Bc8 28.e4 Bb7=) 27...Nf6 28.Kf2 (28.Bc6 Bd7 29.Bd7 Rd7=+) 28...h6 (28...Kg7 29.Bc6 Rd8 30.Kf3=) 29.Nb1 (29.Bf3 Kg7=+) 29...d5 30.Nd2 Rd8 Black prepares the advance d4 31.Red1 (better 31.cd5!? Nd5 32.Bd5 Rd5 33.Rc3=+) 31...d4–/+ 32.e4 (32.ed4!? Rd4 33.Nf3 Rf4 34.Re1–/+) 32...Nh5–+ 33.Nf3 (33.Kf3 fe4 34.Ne4 Kg7–+) 33...fe4 34.de4 (34.Ne5 e3 35.Kg1 Bf5–+) 34...Nf4 35.Ne5 (35.Rd2 Kg7–+) 35...Bd7 36.Nd7 (36.Nc6 Bc6 37.bc6 Rc8–+) 36...Rdd7 (worse 36...Red7 37.Rd2–+) 37.Rf1 (37.Bf3 Nh3 38.Ke2 Re6–+) 37...Kg7 0–1. Wiebe,Patrick (2225) – Nalbandian,Tigran (2455), 45. Sparkassen Open, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 Re8)

9.a4 Nbd7 10.Nc3 d5 11.cd5 Nd5 12.Nd5 cd5 13.Qb3 e4 14.Nd4 Nf6 15.e3 Ng4 16.Rfd1 Qg5 17.Nb5 Ne5 18.de4 de4 19.Nd6 Be6 20.Qc2 Nf3 21.Bf3 ef3 22.Bg7 Qh5 23.Qe4 Kg7 24.Ne8 Re8 25.Rd4 b6 26.Qh4 Qe5 27.Qf4 Qh5 28.g4 Qh3 29.Qg3 Qg3 30.fg3 h5 31.gh5 gh5 32.Rc1 Re7 33.Kf2 Bg4 34.h3 Bh3 35.Kf3 Bg4 36.Kf4 Re6 37.Rc7 Rf6 38.Kg5 a5 39.Rf4 Rg6 40.Kh4 ab4 41.Rcf7 Kh6 42.R7f6 b3 43.Rg6 Kg6 44.Rb4 Bd1 45.Rb6 1–0. Rosell – Jorgensen, Horsens 1978.

9.Qb3 Nbd7 10.Nfd2 Nf8 11.Nc3 h5 (11...Ne6 12.e3=) 12.b5+= cb5 13.Nb5 Ne6 14.Ba3 Bf8 15.Rab1 h4 16.Nc3 Ng5 17.Nf3 (17.Bb7? Rb8 18.Qa4 Rb7 19.Rb7 Bb7–+) 17...Nf3 18.Bf3 Rb8 19.Bb4 Be6 20.Qa3 a6 21.Qa5 Qd7 22.Qa4 hg3 23.hg3 Qa4 24.Na4 b5 25.cb5 ab5 26.Nc3 Rec8 27.Rb2 Rb6 28.Rfb1 Bd7 29.Nd5 Nd5 30.Bd5 Bc6 31.Ba5 Ra6 32.Bc6 Rcc6 33.Be1 d5 34.Kf1 b4 35.Bb4 Bb4 36.Rb4 Ra2 37.R4b2 Rb2 38.Rb2 ½–½. Riemens,Michael – Tondivar,Babak (2315), Groningen op, 1994.

9.Qc2 Nbd7 10.Nc3 Nf8 11.b5 d5 12.bc6 bc6 13.Na4 (13.cd5 cd5 14.Rfc1 Bd7=) 13...d4 (13...N8d7 14.Rab1=) 14.Nd2 (14.e3 Nh5 15.Nd4 ed4 16.Bc6=) 14...Qc7= 15.Nc5 Ne6 16.Ne6 Be6 17.Qa4 (17.e3 Rad8=) 17...Rab8 18.Ba3 Bd7 (18...Bg4 19.Rfe1=+ (19.Qc6? Qa5–+)) 19.Nb3= Bf8 (19...c5 20.Qa5 Qa5 21.Na5=) 20.Bf8 Rf8 21.Qa3 (21.f4 c5 22.Qa3 Rfc8=) 21...Rb6 (21...Rfe8 22.e3 Bf5 23.Rad1=) 22.Qe7 Ne8 23.f4 Bg4 (better 23...f6!?+=) 24.Qe5+– Qe5 25.fe5 Be2 26.Rf4 (26.Rfc1 Bd3 27.Nd4 f6 28.Nc6 fe5 29.Ne5 Bf5+–) 26...Bd3+– 27.Rd4 Bc2 28.Nc5 (28.Rd7 Ra6 29.Nd4 Ba4+–) 28...Bf5 29.Nd7 (29.g4 Be6+–) 29...Bd7+– 30.Rd7 a6 (30...Ra6 31.Rb1+–) 31.c5+– Rb5 (31...Rb2 32.Bc6 Re2+–) 32.Rc1 (32.Bc6?! Rc5 33.Bd5 Nc7+=) 32...Ra5 33.Bc6 The passed pawn on c5 will quickly become a dangerous weapon 33...Ra2 34.Bd5 Re2 35.Re7 (35.c6 Re5 36.c7 Nc7 37.Rcc7 Kg7+–) 35...Rd2 (35...Ng7 36.Bc4 Re4 37.Ba6+–) 36.Bc4 Ng7 37.c6 Nf5 38.Ra7 (better 38.Rc7+–) 38...Nd4= 39.Rf1 The pressure on the backward pawn f7 grows 39...Nc6 40.Raf7 (worse 40.Rff7 Rf7 41.Bf7 Kg7 42.Ra6 Ne5–/+) 40...Rf7 41.Bf7 Kg7 42.Bc4 Ne5 43.Ba6 Ng4 44.h3 Ne3 45.Rf3 Nf5 46.Bc8 Nd6 (46...Nd4 47.Rf2=) 47.Be6 (47.Ba6 Ne4=) 47...Re2 (47...Ne4 48.Re3 Ng5 49.Bc8=) 48.Bd5 h5 49.Rd3 Nf5 50.Bf3 Re3 (50...Rb2 51.g4 hg4 52.hg4=) 51.Re3 Ne3 ½–½. Rogac,S (2345) – Srinath,R (2275), Third Saturday, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0 Re8)

9.Qc2 Nbd7 10.Nbd2 h6 11.a4 a6 12.Ne4 Ne4 13.de4 Qe7 14.Rfd1 b6 15.a5 ba5 16.Ra5 Bb7 17.Qd3 Rad8 18.Qc2 Qe6 19.Nd2 Nf6 20.Nf1 d5 21.ed5 cd5 22.Ne3 d4 23.Bb7 de3 24.Ra6?? Rd1?? 25.Qd1= ef2 26.Kf2 Qc4 27.Qa4 Rd8 28.Bf3 Nd5 29.Ra8 Bf6?? 30.Rd8+– Bd8 31.Qa8 Qb4 32.Qd8 Kh7 33.Qd5 Qb2 34.Qf7 Kh8 35.Qg6 Qd4 36.Kg2 Qe3 37.h4 e4 38.Qe8 Kg7 39.Qe7 Kh8 40.Qe4 Qe4 41.Be4 1–0. Werchan,H (2170) – Laitinen,Ma (1855), 11th European Senior Team, Velden AUT, 2009.

9.Qc2 Be6 10.Nc3=.

9.Qc2 Nh5 10.e4 (10.Nc3 Nf6=) 10...a5 (10...Nf6 11.Nbd2=) 11.b5 c5 (11...f5 12.Nbd2=) 12.Nc3 Nd7 (12...Be6 13.Bc1+=) 13.Nd5 (13.Nd2 Nb6+=) 13...Ndf6 14.Ne3 (14.Nd2 Nd5 15.cd5 f5=) 14...Bh6 15.Bc1 Ng7 16.Nd5 (16.a3 Ne6=) 16...Bc1= 17.Qc1 (17.Rac1 Bg4=) 17...Nd5 18.cd5 Bg4 19.Qh6 (19.Qe3 f5=) 19...f6 (19...Bf3 20.Bf3 a4 21.Rab1=) 20.a4 Rf8 21.Nd2 Be2 22.Rfc1 Bd3 (22...f5 23.f3 g5 24.Rc3+=) 23.Qe3+= c4 24.Nc4 Bc4 25.Rc4 f5 26.Rac1 f4 (26...Rb8 27.b6+=) 27.gf4+– ef4 (27...Rf4 28.R1c2+–) 28.Qd4 (28.Qf3 Qg5+–) 28...Qg5 (28...f3 29.Bf1+=) 29.Kh1 (29.f3 Rfb8+–) 29...f3+= The mate threat is Qxg2 30.Bh3 Rae8 31.Rc7 Threatening mate... how? 31...Re5 32.Rg1 (32.Re1 Rf4 33.Rc8 Kf7+=) 32...Qh4= 33.Bg4 (better 33.Be6 Ne6 34.de6=) 33...h5 (better 33...Rf4 34.Be6 Ne6 35.de6 Rg4 (worse 35...Rfe4 36.Rc8 Kg7 37.Qd6+–) 36.Rc8 Kg7 37.Rc7 Kh6 38.Qe3 g5 39.Qf3 Rf4+=) 34.Be6!+– Kh7 (34...Re6 Exploits the pin 35.Qg7 The nicest combinations are those leading to mate) 35.Rb7 Qf6 36.Qe3 (better 36.Qa7 g5 37.Bf5 Kh8 38.Rg7 Qg7 39.Qg7 Kg7 40.Rg5 Kh6 41.Rg6 Kh7 42.b6+– (42.Rd6?? Rff5 43.Re6 Re6 44.de6 Re5–+)) 36...Qf4? (better 36...g5+–) 37.Qa7 Qf6 38.Bf5! (38.Qa5?! Re4 39.Qa7 Qe5+–) 38...Rf5 (38...gf5 39.Rbg7 A classical mating theme) 39.ef5 g5 40.Rg7 (better 40.Qa5 g4 41.Qc7+–) 40...Qg7 41.Qa5 The passed pawn on a4 quickly leads to threats (41.Qg7 Kg7 42.Rg5 Kf6+–) 41...Rf5 42.Qb4 (42.b6 Rf8+–) 42...Qe5 (42...Qf8 43.b6 Kh6 44.b7+–) 43.Qb1 (43.b6 Rf8+–) 43...Kh6 44.Re1 (44.b6 Rf8+–) 44...Qd5 45.b6 Rf7 (45...Rf8+–) 46.a5! Qa5 Deflection from e6 (46...Rf8+–) 47.Re6 Kg7 48.Qg6 Kf8 49.Qh6 Rg7 50.Qh8 (50.Qh8 Kf7 51.Qe8) 1–0. Keller,Dieter – Sofrevski,Jovan, SUI–JUG Arosa, 1972.

9.Nc3 d5 10.Nd2 d4 11.Nce4 Ne4 12.Ne4 f5 13.Nc5 Qd6 14.Qb3 b6 15.Na4 Be6 16.b5 Kh8 17.e3 a5? (better is 17...e4 18.de4 fe4=) 18.Nb6+– Ra7 19.ed4 ed4 20.bc6 Rc7 21.Rfe1 Qd8 22.Qb5 Ra7 23.Nd5 Na6 24.Re2 Qd6 (24...Bd5 25.Re8 Qe8 26.cd5 Qd8+–) 25.Rae1 Raa8 26.c7 Rac8 27.Qe8! Re8 28.Re6! Qe6 (28...Qe6 29.Re6 Double attack; 28...Re6 29.c8Q Double attack (29.c8Q Decoy)) 1–0. Poleschi,Ricardo D – Fraile,Alberto, SIMUL, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.c4 c6 8.0-0 Re8)

9.Nc3 d5 10.cd5 cd5 11.Qb3 (11.Rc1 d4 12.Nb1 a6=) 11...Nc6 Black plans d4 12.b5 Na5 13.Qc2 d4 14.Na4 (14.Nb1 Bd7 15.Na3 Qb6=+) 14...Bd7-/+ 15.Ne5? (better 15.b6-/+) 15...Re5-+ 16.Bd4 Rb5 17.Nc3 Rc8 18.Qd2 (18.Rfc1 b6-+) 18...Rh5 19.Ba7 (19.Rac1 Bc6 20.Bf6 Bf6-+) 19...Bh3 (19...b6 20.Rfb1 Qc7 21.Bb6 Qc3 22.Qc3 Rc3 23.Bf3-+) 20.Be3? (better 20.Bh3 Rh3 21.Rab1-+) 20...Qd7 (20...Bg2 21.Kg2 Qd7 22.h4-+) 21.Bf3 Bf1 22.Bh5 (22.Rf1 Ng4 23.Rc1-+) 22...Nh5 23.Rf1 Bc3 24.Qd1 Ng7 (24...Nf6 25.Bg5-+) 25.Qb1 Nf5 26.Bf4 (26.Bb6 Nc6 27.e4 Ncd4-+) 26...Nc6 (26...Nd4 27.Qd1-+) 27.e4 (27.Qd1 Nfd4-+) 27...Nfd4 28.Kg2 f5 (28...Ra8 29.Be3-+) 29.Qc1 (29.Rc1 Nd8-+) 29...Nb4 30.Qe3 (30.Qd1 Ra8 31.Bd2 Na2-+) 30...Nbc2 31.Qc1 fe4 32.de4 Nb4 (better 32...Qe6!? 33.e5-+) 33.Qb1 Qe6 (33...Qf7!? 34.Rd1 Na2 35.h3-+) 34.a3 Nbc6 35.Qb7 (35.Qd3 Ba5-+) 35...Qe4 36.Kh3 (36.f3 Qe6 37.Rf2-+) 36...Re8 37.Bh6 (37.Qd7 Rd8 38.Qb7 Rd5 39.Qc8 Kf7 40.Qc7 Ke8 41.Qh7 Rh5 42.Qh5 gh5-+) 37...Nf5 (better 37...Qf5 38.Kg2 Qf3 39.Kh3 Qh5 40.Kg2 Qh6-+) 38.g4 (38.Qb3 Re6 39.Qc3 Nh6 40.f3-+) 38...Nh6 (38...Qf3) 39.f3 (39.Qb3 Re6 40.Rg1 Bd4-+) 39...Qe6 (39...Qe2 40.Qb3 Nf7 41.Qb5 Qb5 42.Rd1 Qe2 43.Rg1 Ng5 44.Kg3 Be5 45.f4 Bf4 46.Kf4 Qe3) 40.Qb1 (40.Rb1 Nf7 41.Rb2 Qe1 42.Qb3 Qf1 43.Kg3 Be1 44.Kf4 g5 45.Kf5 Nd4 46.Kf6 Qf3 47.Qf3 Re6) 40...Bg7 (40...Rf8 41.Qd3 Ne5 42.Qe4 Nhg4 43.fg4 Rf1 44.Kg2-+) 41.Kg2 (41.Qe4 Qe4 42.fe4 Re4-+) 41...Nf7 (better 41...Ng4 42.Kh1-+) 42.h4 (42.Rf2 Qe3 43.Qd1 Nce5-+) 42...Nd4 43.a4 (43.Qe4 Qd7 44.Qf4 Qe7-+) 43...Rf8 44.a5 (44.Qe4 Qa2 45.Rf2 Qa4-+) 44...Ne5 45.a6 Nef3 46.a7 (46.Qb7 Qg4 47.Kf2 Ne1 48.Qf7 Rf7 49.Ke1 Qe2) 46...Qg4 47.Kh1 (47.Kf2 Nd2 48.Qf5 Rf5 49.Ke3 Qe2) 47…Qh3 0-1. Marin Masis,Jose Esteban (1935) - Legenia,Artem (2140), Titled Tuesday, 2021. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3)

9.Nc3 Be6 =.

9.c5 Nd5 10.cd6 Qd6 11.a3 =+.

9.c5 Ng4 10.Qc2 (10.h3 Nf6=) 10...d5 (10...Be6 11.h3 Nf6 12.cd6 Qd6 13.Be5 Qb4 14.Nc3=) 11.e4 (11.h3 Nh6=) 11...Na6 12.a3 Nc7 (12...Be6 13.h3 Nf6 14.Ne5+/–) 13.Nbd2 (13.h3 Nh6+=) 13...Nh6 (13...d4 14.h3 Nh6 15.Nc4=) 14.Rfe1 f6 (14...d4 15.Bc1=) 15.d4+= Nf7 16.Rad1 Bg4 17.h3 Bf3 (17...Be6 18.de5 fe5 19.ed5+=) 18.Nf3 ed4 (18...a5 19.Ra1+=) 19.ed5 (19.Nd4 de4 20.Ne6 Qc8 21.Ng7 Kg7 22.Re4 Qf5+/–) 19...Re1 20.Re1 Qd5 (20...Nd5 21.Nd4 Qd7 22.Qe2+/–) 21.Nd4 Qd7 22.Nf3 Rd8 23.Kh2 Kf8 24.Qe2 Re8 25.Qd2 Qd2+= 26.Re8 Ne8 27.Nd2 ½–½. Struck,Bernd Dieter – Lieb,Harald (2255), GER–ch Seniors, 2001.

9.Nbd2 a5 10.a3 Na6 11.Qb3 Be6 12.Rfc1 Nh5 13.Ne1 (13.d4 ed4 14.Bd4 Bg4+=) 13...Qd7 14.b5 (14.Nef3!?=) 14...Nc5+= 15.bc6 bc6 16.Qc2 Bh3 17.e3 Bg2 18.Ng2 Ne6 19.Rab1 f5 20.f4 Nc5 21.d4 ed4 22.ed4 Ne4 23.Re1 Nhf6 24.Qd3 Nd2 25.Qd2 Ne4 26.Qd3 Qa7 27.Qe3 (better is 27.Ne3!?+=) 27...Rab8–/+ 28.Ba1 Rb7 (28...a4!?–/+) 29.Rb7 Qb7 30.Bc3? (30.Qd3!?–/+) 30...Rb8 (better is 30...Qb3–+) 31.Rd1?? (better is 31.Ba1–+) 31...Qb3 32.Be1 Qd1 (32...Qd1 33.Qd3 Qd3 34.c5 Bd4 35.Ne3 Qe3 36.Kg2 Qg1 37.Kh3 Bf6 38.cd6 Qf1) 0–1. Felber,Gerald (1755) – Sarkoezy,Benjamin (2105), 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 Re8)

9.Nbd2 Bg4 10.h3 Bf3 11.Bf3 d5 12.Qc2 Nbd7 13.Bg2 Qe7 14.Rab1 Nb6 15.e4 dc4 16.dc4 Qb4 17.Bd4 (17.Be5!? Qe7 18.Ba1=) 17...Qa4+= 18.Qa4 Na4 19.Be3 b6 20.Rfc1 Bf8 21.Bf3 Nc5 22.Bc5 Bc5 (22...bc5?! 23.Kg2+=) 23.Nb3 Ba3 24.Rc2 Nd7 25.Rd1 Nc5 26.Rcd2 Bb4 27.Rc2 Rad8 28.Nc5 Rd1 29.Bd1 Bc5 30.Rd2 Bd4 31.a4 a5 32.Rd3 Kf8 33.Kf1 Ke7 34.f4 f6 35.Ke2 Kd6 36.Rd2 (36.Bb3!?–+) 36...Kc5 37.Kd3 Rd8 38.Kc2 Kc4 39.fe5 fe5 40.Rd3 Rf8 41.Rf3 Rf3 42.Bf3 Kb4 43.Bg4 Ka4 44.Be6 b5 45.g4 g5 46.Bf7 (46.Kb1 c5 47.Ka2 c4–+) 46...c5 47.Bg8 (47.Bd5 Ka3–+) 47...h6 48.Bb3 Kb4 0–1. Misovic,Jan (2045) – Mikulas,Jaroslav, SVK–chT2B, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0 Re8)

9.Nbd2 h6 10.Qc2 Na6 (10...Qc7 11.a3+=) 11.a3 Nh5 (11...Qe7 12.Rfe1+=) 12.c5 d5 13.Rfe1 (13.e4 d4+–) 13...Nc7 (13...e4 14.Nd4 (worse 14.de4 de4 15.Nh4 g5=+) 14...e3 15.fe3 Re3 16.b5 cb5 17.Nb5 Bb2 18.Qb2 Nc5 19.Qd4+–) 14.e4+– d4 15.Nc4 Qd7 (15...Qe7 16.a4+–) 16.Nd6 Rf8 17.a4 White plans b5 17...Ne8 (better 17...Ne6+–) 18.Ra3?? (18.Nc4 Qe7+–) 18...Qd8?? (18...Nd6 19.cd6 Qd6 20.Raa1–/+) 19.b5?? (better 19.Nc4 Qe7 20.Bc1+–) 19...Nd6=+ 20.cd6 Bd7 (20...Qd6!? 21.Raa1 c5=+) 21.bc6= bc6 (21...Bc6 22.Raa1=) 22.Qc5 (22.Raa1 Rb8+–) 22...Qf6 (22...Qb6!? 23.Qb6 ab6=) 23.Rb3 (23.Bd4 ed4 24.e5 Qd8 25.Nd4 Rb8 26.Bc6 Bh3+–) 23...Rfd8 24.Rb7 (24.Ba3+–) 24...a5 (24...Bg4 25.Nd4 Qd6 26.Qd6 Rd6 27.Nf3+=) 25.Rc1 (better 25.Ba3!? Bg4 26.Nd2+–) 25...Bg4+= 26.Nd2 Bf8? (26...Qd6!? 27.Qd6 Rd6+=) 27.Nc4+– (27.Qc6?! Rd6 28.Qb5 Bc8+=) 27...Be6? (27...Bd6!? 28.Qc6 Rac8+–) 28.f4 (28.Qe5!? Qe5 29.Ne5 Rab8 30.Rb8 Rb8 31.Bd4 Bd6 32.Nc6 Ba3+–) 28...ef4 29.e5?? (29.Bd4 Qg5 30.Qg5 hg5 31.e5 fg3 32.hg3 (32.Bc6?! Nf4 33.Rc2 Nd3=) 32...Ng3 33.Kf2+–) 29...Qg5= 30.Nb6?? (better 30.Qd4 Rab8 31.Rc7=) 30...fg3–+ 31.Qc6?? (31.hg3 Qe3 32.Kh2 Qg3 33.Kg1–+) 31...gh2 32.Kh2 Qe5 33.Kg1 Qe3 34.Kh2 Bg7 (34...Bd6 35.Qd6 Rd6 36.Na8 Qg3 37.Kh1–+) 35.Rc5 (35.Qf3 Be5 36.Kh1 Ng3 37.Kh2 Ne2 38.Kh1 Nc1 39.Qe3 de3 40.Be5–+) 35...Be5 36.Re5 Qe5 37.Kg1 Qe1 38.Kh2 Nf4 (better 38...Nf6 39.Qf3 Ng4 40.Qg4 Bg4 41.Na8 Qh4 42.Kg1–+) 39.Na8 (39.Qf3 Qh4 40.Kg1–+) 39…Ne2 (39...Ne2 40.Qe8 Re8 41.Bf1 Qf1 42.Bd4 Qh3) 0–1. Kagan,Dennis (1900) – Ambartsumjan,Evgeny (2120), 45th Sparkassen Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 Re8)

9.Nfd2 Bg4 10.h3 Be6 11.Qc2 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Qd7 15.Kh2 Na6 16.Bc3 Nh5 17.Nf3 h6 18.Nbd2 g5 19.Rb1 Nc7 20.Ng1 g4 21.Ra1 gh3 22.Bh3 Bh3 23.Nh3 Ne6 24.Kg2 f5 25.f3 Bf6 26.Rg1 Kh8 27.Kh2 Rg8 28.Nf1 Qg7 29.Qc1 Ng5 30.Be1?? (better is 30.Ng5 Bg5 31.Qe1=) 30...Nh3–+ 31.Kh3 Nf4!! 32.Kh2 (32.gf4 Qg1 Pinning (32...Qg1 Deflection)) 32...Ne2 33.Qe3 Ng1 0–1. Send,Sebastian – Eissing,Christoph, NRW–ch U16 Bergneustadt, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d6 7.0-0 e5 8.d3 Re8)

9.e4 Nbd7 10.a4 (10.Nc3 Nf8=) 10...a5+= 11.b5 Nc5 12.Qc2 Nfd7 (12...Be6 13.Re1+=) 13.Nc3 Nf8 14.Nd2 (14.bc6 bc6 15.Ne2 Nfe6=) 14...Nfe6 15.Ne2 Qc7 16.Bc3 f5 (16...cb5 17.cb5 Bd7 18.Nc4=) 17.Nb3 (17.Rfe1 f4=) 17...Nb3+= 18.Qb3 Nc5 19.Qc2 Be6 20.ef5 Bf5 21.Nc1 e4 22.de4 Ne4 23.Bg7 Qg7 24.Qa2 Qd4 25.Ne2 Qc5 26.Nf4 Re7 27.Rac1 Rae8 28.Qb2 Qb4 29.Qb4 ab4–/+ 30.g4 Bd7 31.h3 Nc3 32.Kh2 Na4 33.bc6 bc6–+ 34.Ra1 Nc3 35.Ra6–/+ c5 36.Rd6+= Be6 37.Nd5 Bd5 38.cd5 Re1 39.Rc6= Rf1 40.Bf1 Rf8 41.Kg2 b3 42.Rb6 Ne4 43.Bd3? Nd2–/+ 44.Rc6 b2 45.Rb6? Rf3–/+ 46.Bb1? Rb3–+ 47.Rb3 Nb3 48.f4?! Nd2 49.Bc2 b1Q 50.Bb1 Nb1 51.Kf3 Nd2 52.Ke2 Ne4 53.Kf3 Nd6 54.h4 h5 0–1. Boikanyo,Cinky (2035) – Markus,Robert (2595), 40th Men Olympiad, 2012.

9.e4 Bg4 10.Nbd2 a5 11.a3 ab4 12.ab4 Nbd7 (12...Ra1 13.Qa1 Na6 14.Bc3=) 13.Ra8 Qa8 14.h3 Bf3 15.Nf3 Qa6 16.Qa1 Ra8 17.Qa6 Ra6 18.Ra1 Ra1 19.Ba1 h5 20.Kf1 Kf8 0–1. Nyman,James (1800) – Kalinin,Valery (1685), FICGS, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 Re8)

10.a4 d5 11.Ne1 h5 (11...Qe7 12.Nc2=) 12.Nc2 (12.Nef3 Qe7=) 12...h4 13.cd5 cd5 14.e4 (14.gh4 Nh5 15.Bd5 Nf4=+) 14...hg3 (14...a5 15.ed5 Nb6 16.ba5 Nbd5 17.Nc4=) 15.hg3= d4 16.a5 Nf8 (16...b6 17.Nc4+=) 17.Nc4 Ng4 (17...Bg4 18.Qd2=) 18.Bc1 (18.Bf3 Nh6+=) 18...Be6= 19.N2a3 f5 (19...Qe7!?=) 20.Re1 (20.ef5 gf5 21.Bb7 Rb8+–) 20...f4 (20...Qd7 21.Bd2+=) 21.gf4+= Qh4 (21...Nd7 22.Qf3 Rf8 23.Bh3 ef4 24.Bf4+=) 22.Qf3+– Qh2 (22...Nd7 23.Qg3 Qg3 24.fg3+–) 23.Kf1 Qh5 (23...Qh7 24.Ke2 Nh6+–) 24.Ke2+– ef4 (24...Qh4 25.Rh1 Nh2 26.Qg3 Bg4 27.Ke1 Nf3 28.Qf3 (28.Bf3?! Qg3 29.fg3 Bf3+–) 28...Bf3 29.Rh4 Bg2 30.Ke2 ef4 31.f3+–) 25.Rh1 Qg5 (25...Ne5 26.Ne5 (26.Rh5?! Nf3 27.Rh1 Ne5+–; 26.Qh5 gh5 27.Ne5 Be5+–) 26...Qe5 27.Bf4+–) 26.Bf4 Qe7 27.Bh3 Nf6 (27...Bc4 28.Nc4 Ne5 29.Ne5 Be5+–) 28.Bg5 (28.Bd6!? Qd7 29.Rag1 Bh3 30.Qh3 Qh3 31.Rh3 Nd5+–) 28...N8h7 (28...Bh3!? 29.Rh3 Ne6 30.Bf6 Bf6+=) 29.Be6+– Qe6 30.Rag1 b5 (30...Ng5 31.Rg5 Nh5 32.Qg4+–) 31.ab6! (31.Nb5?! Ne4 32.Qe4 Qd7=+) 31...ab6 32.Bf6 Nf6 (32...Qf6 33.Qf6 Nf6 (33...Bf6?? 34.Rg6 Bg7 35.f4+–) 34.Rg6 Nd5+–) 33.Rg6 b5 (33...Re7+–) 34.Rhg1 bc4 (34...Ra7 35.Rf6 Qd5+–) 35.Rg7 Kf8 36.Rg8! Ke7 (36...Qg8 37.Qf6 Double attack (37.Qf6 Deflection; 37.Nc4 Zwischenzug)) 37.Re8 Ke8 (37...Ne8 38.Nc4 Ra2 39.Kf1 Ra1 40.Kg2 Qg6 41.Qg3 Qg3 42.fg3 Ra2 43.Kf3+–) 38.Nc4 Ra2 39.Kf1 Ra1 40.Kg2 Ra7 (40...Qg8 41.Qg3 Qg3 42.fg3 Rg1 43.Kg1+–) 41.Qg3 Rh7 (41...Kf8 42.Kf3 Ne8+–) 42.Qe5 (42.Qe5 Qe5 43.Ne5+–) 1–0. Haub,Thorsten Michael (2395) – Kanarek,Marcel (2525), TCh–BEL, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.c4 c6 8.d3 Re8 9.Nbd2 Nbd7)

10.a4 d5 11.e4 a5 12.b5 de4 13.de4 Qc7 14.Qe2 Nc5 15.Rfd1 Bg4 16.h3 Bf3 17.Qf3 Rad8 18.Nb3 (18.Qe3 b6=) 18...Rd1 19.Qd1 Nfe4 (19...Nce4?! 20.Qe2 Nd6 21.c5=) 20.Nc5 Nc5 21.Ba3 Rd8 22.Qc2 Ne6 23.c5 Nd4 24.Qc4 Qd7 25.Bb2 e4 26.bc6 bc6 27.Re1 (better is 27.Be4!? Qh3 28.Re1–/+) 27...Nf3–+ 28.Bf3 ef3 (28...Bb2?! 29.Qe4 (worse is 29.Be4 Qh3 30.Qe2 Bd4–/+) 29...Qh3 30.Bg4=) 29.Bg7 Qh3 (29...Kg7?! 30.Qc3 Qd4 31.Qa5+=) 30.Qf1 Qf1 31.Rf1 Kg7 32.Rb1 Rd5 33.Rb3 Rc5 34.Rf3 Rc4 35.Kf1 c5 36.Ra3 Kf6 37.Ke2 Ke5 38.f4 Kd5 39.Rb3 (39.Ra2 h5–+) 39...Ra4 40.Rb7 Ke6 41.Rc7 c4 42.Kd2 h5 43.Kc2 Ra3 44.Rc4 Rg3 45.Rc5 Rf3 0–1. Holmqvist,Gunnar – Eriksson,Johan (2380), SWE–chT, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0 Re8)

10.Qb3 Qe7 11.Rfd1 h6 12.Ne4 Nh7 13.b5 c5 14.Nc3 Ndf6 15.Nd2 Bg4 16.Nf1 Ng5 17.Ne3 Nh3 18.Kf1 Qd7 19.Ng4+/– Qg4 20.Bb7 Qf5 21.f3 Ng4? 22.Ke1 Ne3 23.Ba8 Ra8 24.Nd5 Nd5 25.cd5 h5 26.Kd2 h4 27.Qc4 Qg5 28.Kc2 hg3 29.hg3 Qg3 30.Qa4 Qf2 31.b6! c4 32.dc4 Nf4? 33.b7+– Rf8 34.Qc6 Ne2 35.Rd2 Bh6 36.Qd6 Nd4–+ 37.Bd4 Qd2 38.Kb3 ed4 39.b8Q Qc3 40.Ka4 Rb8 41.Qb8 Bf8 42.Rh1 Qa3 (42...Qa3 43.Kb5 Qb4 44.Kc6 Qb8–+) 0–1. Kuan,Luis – Martinez,Orlando, CUB–ch Colon, 1993.

10.Qc2 d5 11.b5 cb5 12.cb5 a6 13.a4 ab5 14.ab5 Ra1 15.Ra1 e4 16.Nd4 Nb6 17.Nf1 (17.e3 Qe7+=) 17...Ng4 18.de4 de4 19.Rd1 Qe7 20.h3 Nf6 21.Ne3 Nfd5 22.Nd5 Nd5 23.Qb3 Nb6 24.e3 Be6 25.Ne6 Bb2 26.Qb2 Qe6 27.Rd4 f5 28.Qb4 Qe7 29.Qd2 Rc8 30.Bf1 Kg7?? 31.Rd6+– Qc7 32.Qd4 (32.Qd4 Kh6 33.Rb6+–) 1–0. Christoph,Manfred – Oechslein,Rainer, FRG–ch, 1970.

10.Qc2 d5 11.cd5 cd5 12.e4 de4 13.de4 b6 14.Rfe1 Bb7 15.Qb3 Rc8 16.Nc4 Qc7 (worse is 16...Be4 17.Nd6 (17.Nce5?! Ne5 18.Be5 Qd7=; 17.Nfe5?! Bg2 18.Kg2 Ne5 19.Ne5 Qd5 20.Qd5 Nd5=) 17...Bd5 18.Qa3+/–) 17.Rac1 Bh6 (17...Qb8 18.Bh3 Rc6 19.b5+=) 18.Ne3 (18.Nce5 Bc1 19.Qf7 Kh8 20.Rc1 Qc1 21.Bc1 Rc1 22.Bf1+=) 18...Qb8= 19.Rc8 Rc8 20.Nc4 Re8 (20...Ne4? 21.Nce5 Ne5 22.Ne5+– (22.Be5?! Qa8=); 20...Be4?? 21.Nce5 (21.Be5?! Ne5 22.Nfe5 Bg2 23.Kg2 b5=) 21...Ne5 22.Be5+–) ½–½. Djukic,Zeljko – Hazai,Laszlo (2480), Nis, 1985.

10.Ne4 Qe7 11.Qb3 Ne4 12.de4 Nf6 13.Qc2 d5 14.ed5 e4 15.Nd4 cd5 16.c5 Be6 17.Rac1 a6 18.f3 Bd7 19.Qd2 Rad8 20.c6 Bc6 21.Nc6 bc6 22.Rc6 ef3 23.ef3 d4 24.f4 Ng4 25.Bf3 Ne3 26.Rfc1 Qa7 27.Qd3 Qb8 28.a3 a5 29.b5 Nf5 30.a4 Re3 31.Qf1 h5 32.Rc7 d3 33.Bg7 d2 34.Be5 dc1Q 35.Rc1 Qa7 36.Rc7 Qb6 37.Rc6 Qa7 38.b6 Qa8 39.Rg6 1–0. Michalek,C – Koscielski,J, It open Dortmund, 1992. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.c4 Re8 9.Nbd2 Nbd7)

10.a4 e4–/+ 11.Nd4 c5 0–1. Ostolazaga Barragan,Eneko (1795) – Etchegaray,P (2400), San Sebastian ESP, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 Re8)

10.a4 f5 11.Qb3 (11.Qc2 g5=) 11...Nd7 (11...g5 12.Ne1=) 12.a5 (12.c5 d5+=) 12...Ndf6 Black plans e4 (12...Nhf6 13.Rfd1=) 13.c5 Be6 14.Nc4 dc5 (14...e4 15.Nd4 Bc4 16.Qc4 d5 17.Qb3+=) 15.bc5 e4 16.Nfe5 (16.Nd4 Bd5=) 16...Qe7 17.Rfc1 (17.a6 Rab8=) 17...Qc5 (17...ed3 18.a6 d2 19.Rd1=) 18.Qb7+= Bd5 19.Nb6 (19.d4 Qb5 20.a6=) 19...Qb4?? (19...Qb5 20.Nc6 ab6 (20...Qb2?! 21.Rab1 Qc1 22.Rc1 ab6 23.de4 fe4 24.ab6=) 21.Qb6 Qb6 22.ab6 Bc6 23.Rc6 Ra1 24.Ba1 ed3–+) 20.Bc3+– Qb5 21.Rab1 (better 21.Rcb1 Qc5 22.Bb4+– (worse 22.Na8 Qc3 23.de4 fe4+=)) 21...Reb8? (better 21...Bb3 22.Qc6 Qc6 23.Nc6 ab6 24.Rb3 ba5 25.Ba5 h6+–) 22.Qa8 (22.Na8?! Rb7 23.Rb5 cb5+=) 22...Ra8 23.Rb5 (worse 23.Na8 Qc5+–) 23...cb5 24.Na8 Ba8 25.de4 (25.Bd4 Bf8+–) 25...Ne4 26.Be4 (26.Bd4!? Be5 27.Be5 Kf7+–) 26...Be4 27.f3 (27.Ba1 Be5 28.Be5 Bd5+–) 27...Bd5 28.Bd4 (28.Rd1!? Be5 29.Be5 Be6+–) 28...Bc4 29.Kf2 Bf6 (29...a6 30.Nc4 Bd4 31.e3+–) 30.e3 Be5 31.Be5 Kf7 (31...Ng7 32.Bg7 Kg7 33.Rd1+–) 32.a6 Nf6 33.Bf6 (better 33.Bd4!? Nd7 34.Ra1 Bd5+–) 33...Kf6 34.e4 fe4 (34...g5 35.Ke3+–) 35.fe4 Ke5 36.Ke3 g5 (36...Ke6 37.Kd4+–) 37.g4 (37.Rd1 b4 38.Rd4 Ba6 39.Rb4 Bc8+–) 37...h6 38.Rc2 Kd6 39.Rc4! (39.Rc4 bc4 40.Kd4+–) 1–0. tsodikovich (1835) – gethro (1925), gameknot.com, 2016.

10.Qc2 d5 11.Rab1 f5 12.a4 e4 13.Nd4 Na6 14.b5 Nb4 15.Qb3 c5 16.cd5 Nd5 17.de4 (17.de4 fe4 18.Nc2 Bb2 19.Rb2+=) 1–0. Degterev,Pavel (2240) – Karabalis,Harilos (2050), BI–2010–F–00004, 2011.

10.Qc2 d5 11.e4 de4 12.de4 Na6 13.a3 c5 14.b5 Nc7 15.Nb3 Qe7 16.Rfe1 f6 17.Rad1 Be6 18.Nfd2 b6 19.Nf1 Qf7 20.Nbd2 Bh6 21.Ne3 Be3 22.Re3 Red8 23.Bf3 Ng7 24.Be2 Rd7 25.Rd3 Rad8 26.Nf1 Rd3 27.Rd3 Rd3 28.Qd3 Qd7 ½–½. White,Kevin (2055) – Keller,Manfred (2195), Liechtenstein op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 e5 7.d3 c6 8.0-0 Re8)

10.e4 c5 11.bc5 dc5 12.Nb3 Qd6+= 13.Ba3 Na6 14.Ne1 Rd8 15.Nc2 Bh6 16.Nc1 Be6–/+ 17.Ne3 Be3 18.fe3 Bc4 19.Qf3 Be6 20.g4 Ng7 21.Ne2? h5 22.gh5–/+ Nh5 23.d4 Qd7 24.h3 Bc4–+ 25.Rf2 cd4 26.ed4 Be2 27.Qe2 Nf4 28.Rf4? Qd4 29.Rf2 Qa1 30.Kh2 Qd1 31.Qb5 Qd7 32.Qb3? Rac8 33.Qg3 Nc5 34.Bb2 Qe6 35.Be5 Rd3 36.Qf4 Nd7 37.Bb2 Qd6 38.e5 Qe6 39.Qe4 Nc5 40.Qh4 Kg7 41.Rf6 Rh8–+ 42.Qe1?? Rdh3 43.Kg1 Qg4 (43...Qg4 44.Rf7 Kf7 45.e6 Ne6 46.Qf1 Ke7 47.Bf6 Kd6 48.Bh8 Rh8 49.Qd3 Nd4–+) 0–1. Hussein,NA (2330) – Garbett,P (2345), 37th Olympiad, Turin ITA, 2006. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 e5 4.0-0 g6 5.b4 Bg7 6.Bb2 0-0 7.c4 c6 8.d3)

9.Nc3 Qb6 10.b5 Nbd7 =.

9.Nbd2 Na6 10.Qb3 Qc7 11.h3 Bf3 12.Bf3 Rad8 13.Rad1 Rfe8 14.Ne4 Ne4 15.de4 Kh8 16.Bc1 f5 17.Bg5 Rd7 18.ef5 gf5 19.e4 h6 (19...Rf8 20.a3+/-) 20.Bh4 fe4 21.Be4 Rf8 22.a3 Bf6 23.Qe3 Kg7 24.Kh2 (24.Bf6 Rf6 25.Qa7 Rdf7+/-) 24...Qd8 (24...Bh4 25.gh4 Rf4 26.Rg1 Kf8 27.Rg6+=) 25.f4 (25.Bf6 Rf6 26.Qa7 Nb8+/-) 25...Qe7 (25...Bh4 26.gh4 Qe7 27.Rg1 Kh8 28.Rg6+/-) 26.fe5 (26.Bf6 Rf6 27.fe5 Qe5 28.Rf6 Qf6 29.Qa7 Qe5+-) 26...Bh4 27.ed6 Rd6 28.gh4 Rf1 29.Rf1 Qe5 30.Kh1 Rf6 (better 30...Kh8+-) 31.Rg1 Kf8 32.Rg8! Kg8 33.Bd5!! cd5 34.Qe5 Kg7 (34...Rf1 35.Kg2 Rf7 36.Qe8 Kg7 37.cd5+-) 35.cd5 b6 36.Qe2 Nc7 (36...Nb4 37.ab4 Kf7 38.Qe5 Rf1 39.Kg2+-) 37.Qe7 Rf7 38.Qe5 Kf8 (38...Kh7 39.d6 Na6 40.d7 Rd7 41.Qf5 Kg8 42.Qd7 Nb4 43.ab4+-) 39.d6 Ne8 40.Qh8 1-0. marekt (2195) - lletram22 (1820), gameknot.com, 2014. (=1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6 6.c4 c6 7.0-0 e5 8.d3)

9.Nbd2 Qb6 10.a3 =.

9.Nbd2 Qd7 10.Qc2 Bh3 (10...Na6 11.a3=) 11.Rfd1 (11.d4 Bg2 12.Kg2 Na6 13.de5 Nb4+–) 11...Bg2 12.Kg2 Re8 (12...a5 13.a3=) 13.e4 (13.Ne4 Ne4 14.de4 Qe6=) 13...a5 (13...Na6 14.a3=) 14.a3 ab4 15.ab4 Na6 16.Qb3 (16.Qc3 Qg4=) 16...Qc7 (16...Qg4 17.Qc3=) 17.h4 (17.Qc3 Qb6 18.Ra4 Nc7+=) 17...Ng4 (17...h6=) 18.Nf1 (better is 18.d4!?=) 18...Qb6–/+ 19.Rd2 (19.d4 ed4 20.Bd4 Bd4 21.Rd4 Nb4–/+) 19...Qb4 (19...Bh6 20.Rc2–/+) 20.Qb4 Nb4 21.Bc3 (21.Ra8 Ra8 22.d4 f5 23.ef5 gf5 24.de5 de5–/+ (< 24...Ne5 25.Ne5 de5 26.Ne3=+)) 21...Ra1 22.Ba1 Ra8 23.Bc3 Na2 24.Bb2 Bh6 25.Re2 Nb4 26.Ne1 f5 27.Kf3 Ra2 28.Bc3 Re2 29.Ke2 c5 30.f3 Nf6 31.Bd2 Bd2 32.Nd2 fe4 33.fe4 Kg7 34.Nef3 Nh5 35.Nf1 Kf6 36.Kd2 h6 37.Kc3 Nc6 38.Kd2 g5 39.hg5 hg5 40.N3h2 Nd4 41.Ng4 Kg6 42.Ngh2 Nf6 43.g4 Kf7 44.Ne3 b5 45.cb5 Nb5 46.Nf3 Nh7 47.Nc4 Ke6–/+ 48.Ne3 Nd4 49.Nh2 Nf6 50.Kc3 d5 51.ed5 Nd5 52.Nd5 Kd5 53.Kd2 e4 54.Ke3 Nc2 55.Kd2 Nb4 56.de4 Ke4 ½–½. Timofeeva,Valentina – Strandstrem,T, Ozery op1 Seniors (Women), 1997.

9.Nbd2 Qd7 10.c5 dc5 (10...Bf3 11.Nf3 Nd5 12.Qb3=) 11.Ne5+= Qe6 (11...Qe7!? 12.bc5 Qc5+=) 12.Ng4+/– Ng4 (12...Qg4 13.bc5 Nbd7 14.d4+/–) 13.Bg7 Kg7 14.bc5 Nd7 (14...b6 15.Qc2+/–) 15.d4 (15.Qc2+/–) 15...Rfe8 (15...Rad8!?+/–) 16.Ne4+– Ngf6 (16...Ndf6 17.Nd6 Re7 18.e3+–) 17.Nd6 Reb8 18.Qb3 a5 (18...Qe7 19.e3+–) 19.Rfb1 (19.Qe6 fe6 20.Nb7 e5 21.de5 Ne5+–) 19...Qb3 (19...Nd5 20.e4 (20.Nb7?! Ra7+=) 20...Nc7 21.Qa4+–) 20.Rb3 (< 20.ab3 Nd5+–) 20...Nd5 (20...b6 21.Bc6 bc5 22.Ba8 Ra8 23.Rb7 cd4 24.Rd1+–) 21.Rab1 (21.Bd5 cd5 22.Rab1 b6+–) 21...a4 (21...b6 22.Bd5 cd5 23.c6+– (23.cb6?! Ra6+–)) 22.Rb7 a3 (22...Ne7 23.Be4 Rb7 24.Rb7+– (24.Nb7?! Nf6 25.Bd3 Rb8+–)) 23.Bd5 cd5 24.c6 Rb7 25.Rb7 (25...Nb8 26.Rf7 Kg8 27.c7+–) 1–0. orane – barpen, Caissa.com, 2006.

9.Nbd2 Nbd7 10.h3 Be6 11.Ng5 =.

9.Nbd2 Nbd7 10.h3 Bf3 11.Nf3 Re8 12.Qc2 White prepares c5 12...Nf8 13.Rfd1 Rc8 14.c5 d5 (14...Qc7!?+=) 15.Ne5 Nh5 16.Nf3 Nf6 17.a4 Qd7 18.Kh2 Qe7 19.Nd4 White prepares b5 (19.e3 Rcd8+/-) 19...N8d7 (19...a5 20.ba5 N6d7 21.Rdc1+/-) 20.e3 Ne5 (20...a5 21.Ba3+/-) 21.b5 (21.a5 a6+-) 21...h5 22.bc6 bc6 23.Rab1 h4 24.g4 Qc7 25.f4?? (better 25.Kg1+/-) 25...Neg4 26.hg4 Ng4 27.Kg1 Ne3 28.Qd2 Qf4 (better 28...Nd1 29.Rd1 Rb8-/+) 29.Rf1?? (29.Nc2 Bh6 30.Qc3 f6 31.Ne3 Qe3 32.Kh1 h3 33.Bd5 cd5 34.Qf6 Rc7+-) 29...Qg5?? (29...Qg4 30.Qf2 Nf1 (30...Qg2?! 31.Qg2 Ng2 32.Kg2=+; 30...Ng2?! 31.Qf7 Kh7 32.Qf3 Bd4 33.Bd4 Qd4 34.Kg2-+; 30...Bd4? 31.Qf7 Kh8 32.Bd4 Qd4 33.Rf4+-) 31.Kf1 Rb8-+) 30.Nf3 (30.Rf3 Qg2 31.Qg2 Ng2 32.Kg2 Rb8 33.Nc6 Rb2 (worse 33...Bb2 34.Nb8 Rb8 35.d4+-) 34.Rb2 Bb2-+) 30...Qg3 31.Bg7 Kg7 (31...Nf1 32.Qh6 Qh2 33.Nh2 f5 34.Rb7 Rc7 35.Qh8 Kf7 36.Rc7 Re7 37.Qf8 Ke6 38.Re7) 32.Rbe1? (better 32.Qb2 Kg8 33.Qf2 Nf1 34.Rf1-/+) 32...h3 (32...Ng2 33.Qg2 Qf4 34.Qb2 f6 35.Qf2+=; 32...Nf1?! 33.Kf1 h3 34.Bh1-+) 33.Re3 Re3 (33...Qg2 34.Qg2 hg2 35.Rfe1 Re3 36.Re3+-) 34.Nh2 (34.Qb2 f6 35.Qf2 Qg2 36.Qg2 hg2 37.Kg2 Rd3 38.Rb1-+) 34...Rd3 35.Qb2 f6 (better 35...d4 36.Nf3 Rd8 37.Qf2 Qg2 38.Qg2 hg2 39.Kg2-+) 36.Qf6 Kh7 (36...Kh6 37.Rf2-+) 37.Qf8 (37.Rf2 Rd1 38.Nf1 hg2 39.Qe7 Kh6 40.Rg2-+) 37…Qg2 0-1. Spiritchaser84 (2320) - Grizz (2140), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 c6 7.0-0 e5 8.d3)

9.Nbd2 Re8 10.h3 Bf3 11.Bf3 d5 12.b5 Qd7 (12...e4 13.de4 de4 14.Bg2=) 13.bc6 (13.Qb3 Qh3 14.cd5 cd5 15.Bd5 Nd5 16.Qd5 Qd7+=) 13...bc6 14.Bg2 Na6 15.Qa4 (15.Rb1+=) 15...Nc7 (15...Nc5 16.Qc2 d4 17.Nb3=) 16.Rac1 (16.Rab1 Rab8+–) 16...Rac8 (16...Rab8 17.Nb3+=) 17.cd5 (17.Qa7?! Ra8 18.Qe3 d4=+) 17...Ncd5 18.Nc4 Nh5 (18...Qc7 19.Qc2+–) 19.Na5 Re6 20.h4 f5 (20...Rb8 21.Ba3 e4 22.de4+– (worse 22.Nc6 Nc3 23.Rc3 Bc3 24.Be4 Nf6=+)) 21.Nb3 (21.e4 Nb6 22.Qb3 Kh8 23.ef5 gf5+–) 21...Bf8 (21...Ree8 22.Rc2+–) 22.Ba3 (22.Nc5!? Bc5 23.Rc5 Qe8+–) 22...Ba3 23.Qa3 Rf6 (23...Ree8 24.Nc5 Qe7 25.e4+–) 24.Nc5 Qe8 (24...Qe7 25.Qb3 Kh8 26.e4 (worse 26.Bd5 cd5 27.Qd5 Rd6+=) 26...fe4 27.Bh3+–) 25.Qa7 (25.e4 Nc7 26.Qb3 Kh8 27.ef5 Rb8+–) 25...Ra8 (25...Rf7!? 26.Qa4 Ra8+–) 26.Qd7+– Qd7 (better 26...Rf7 27.Qe8 Re8+–) 27.Nd7 Re6 (27...Rd6 28.Ne5 Ndf6+–) 28.Rc6! Rc6 29.Bd5 Kg7 30.Bc6 Ra2 31.Bf3 e4 32.de4 fe4 33.Be4 (better 33.Bh5!? gh5 34.e3 Rc2+–) 33...Re2 34.Bf3 (34.Bf3 Re7 35.Nb8+–) 1–0. Dubrovskiy,Vladimir (1645) – Levdansky,Alexey (1970), 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d6 7.0-0 e5 8.d3 Bg4)

9.Nbd2 Re8 10.h3 Bf3 11.Nf3 Nbd7 12.Rb1 Qe7 13.Nd2 d5 14.cd5 cd5 15.Qb3 e4 16.de4 de4 17.Nc4 b5 18.Ne3 Nb6 19.Rbc1 Rad8 20.Rfd1 h5 21.Bd4 h4 22.g4 Bh6 23.Rc6 Bg7 24.g5 Nh5 25.Rg6 Rd4 26.Rd4 Qe5 27.Rd1 Nc4 28.Ng4 Qb2 29.Qb2 Nb2 30.Rg7 Kg7 31.Rb1 Nc4 32.e3 Kg6 33.Rd1 Kg5 34.Rd5 f5 35.Rb5 Rd8 36.Ne5 Rd1 37.Kh2 Ne5 38.Re5 Rd2 39.Be4 Rf2 40.Kg1 Ra2 41.Rf5 Kh6 42.Ra5 Rb2 43.Ra6 Kg7 44.Ra7 Kf6 45.Rb7 Ng3 46.Bf3 Nf5 47.e4 Nd4 48.Bg4 Ke5 49.Rf7 ½–½. Bencze – Parkanyi, Eger 1991.

9.Nbd2 Bf3 10.Nf3+= Nbd7 11.a4 Rc8 (11...Qe7 12.b5=) 12.Qc2 Qe7 13.b5 (13.Qc3 Rce8+=) 13...d5 (13...Rfe8 14.Rab1=) 14.bc6 (14.Ba3 c5+=) 14...bc6 (14...Rc6 15.Ba3 Nc5 16.cd5 Nd5 17.Nd2+/–) 15.Ba3 Nc5 (better is 15...c5!?+=) 16.Ne5!+/– Qe5 17.Bc5 Rfe8 18.e3 dc4 19.d4+– Qe6 20.Rfc1 Nd7 21.Qc4 Nc5 22.Qc5 Bf8? 23.Qa7 Re7 24.Qb6 Rec7 25.a5 c5 26.Qe6 fe6 27.Bh3 Kf7 28.d5 ed5 29.Bc8 Rc8 30.a6 Ra8 31.a7 c4 32.Rcb1 Bc5 33.Rb8 Ra7 34.Ra7 (34.Ra7 Ba7 35.Rb7 Ke6 36.Ra7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.h3 Bd7 10.Nc3 Na6 11.Qb3 Nc7 12.e3 Qe7 13.a4 Kh8 14.b5 Nh5 15.d4 e4 16.Nd2 (16.Ne4!? Bh3 17.Bh3 Qe4 18.Nd2+/–) 16...f5= 17.Ba3 c5 18.dc5 dc5 19.Rad1 b6 20.Nd5 Nd5 21.cd5 Be8 22.Bb2 Bf7 23.Nc4 Rfd8 24.Rd2 Rd5–/+ 25.Bg7 Ng7 26.Rfd1 Rad8 27.Rd5 Rd5 28.Bf1 Kg8 29.a5 Qf6 30.ab6 ab6+= 31.Rd5 Bd5 32.Qd1 Bc4 33.Bc4 Kf8 34.Qd7 h6 35.Qc8 Ne8 36.Bd5 Qe7 37.Bc6 c4 38.Be8 Qe8 39.Qc4 Qd8 40.Qe6 Kg7 41.Qe5 Kf7 42.Kg2 Qf6 43.Qc7 Ke8 44.h4 h5 45.Qc4 Qd6 46.Qb3 Ke7 47.Qc3 Ke8 48.f3 ef3 49.Kf3 Qd5 50.Kf4 Qb5 51.Qh8 ½–½. Fuller,Maxwell L – Jamieson,Robert Murray, Adelaide Karlis Lidums op, 1971. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d6 7.0-0 e5 8.d3)

9.h3 Bf3 10.Bf3 Qd7 11.Bg2 Na6 12.Qb3 Rab8 13.a4 Rfe8 14.Nd2 d5 15.cd5 Nd5 16.b5 Nc5 17.Qc2 Ne6 18.bc6 bc6 19.Nc4 Nd4 20.Bd4 ed4 21.Na5 Rb6 22.Rab1 Reb8 23.Rb6= Rb6 24.Rb1 Rb1 25.Qb1 c5 26.Qb8 Bf8 27.Bd5 Qd5 28.Qa7 Qa2 29.Nb7 Qe2 30.Nd8 Qf3 31.Qb7 Qf6 32.a5 c4–+ 33.a6 Bc5?? 34.Qc8 Kg7+/– 35.Qc5 Qd8?? 36.Qc4 Qb6 37.Kg2 Kf6 38.Qc8 1–0. Cox,T – Macleod,Alasdair, Ron Banwell Masters, London ENG, 2001.

9.h3 Bf3 10.Bf3 Nbd7 11.Nd2 Qe7 12.Bg2 Rad8 13.Qc2 Rfe8 14.Rfe1 a6 (14...d5 15.a3=) 15.a4 White plans b5 (15.e4 h6=) 15...d5= 16.b5 ab5 17.ab5 Ra8 18.bc6 bc6 19.Ra8 Ra8 20.Qb3 Qd6 21.Rd1 Rb8 22.Qa2 Qb4 23.Ba1 Ne8? (better 23...Qc5=) 24.cd5+/- cd5 25.Bd5 Nd6 (25...Qe7!?+/-) 26.Ne4 Ne4 27.de4 Qe7 (27...Rf8 28.Bb2 Qe7 29.Qa7+-) 28.Bf7! Qf7 29.Qf7 Kf7 30.Rd7 Kg8?? (30...Kf8 31.Bc3 h6+-) 31.Rg7! Kg7 (31...Kf8 32.Ra7 Rb4 33.e3+-) 32.Be5 Kf7 33.Bb8 1-0. Spiritchaser84 (2280) - megawolt (2070), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0)

9.Qb3 Be6 10.b5 Nd7= 11.Nc3 Nc5 12.Qc2 (12.Qa3 cb5 13.Nb5 a6=) 12...f5 (12...cb5 13.Nb5 a6 14.Nc3=) 13.Nd2 (13.Rad1 cb5 14.d4 ed4 15.Nb5 a6 16.Nbd4 Bf7+=) 13...Qc7 14.a4 (14.Nb3 Nd7=) 14...a6 (14...Nf6 15.a5 a6 16.b6=) 15.Rfb1 Nf6 16.Ba3 Ncd7 (16...ab5 17.ab5 f4 18.Nce4 Nfe4 19.Ne4 Ne4 20.Be4=) 17.Qb2 (17.Nf3!?+=) 17...ab5= 18.ab5 c5 (18...e4 19.de4 fe4 20.bc6 bc6 21.Be4=) 19.b6+= Qd8 20.Bb7 (20.Qc2 e4+=) 20...Rb8 21.Bg2 Rb6 (21...Nb6 22.Qb3+=) 22.Qc2 Qe7 (22...Rb1 23.Rb1 Qe7 24.Qa4+=) 23.Rb6 (23.Bb2 Rfb8+–) 23...Nb6+= 24.Rb1 (24.Bb2 Rb8+=) 24...Rb8 25.Nb3 Nbd7 (25...e4 26.Na5 Qf7 27.Bc1+–) 26.Nb5 (26.Na5 Rb1 27.Qb1 Bh6+–) 26...h5 (26...e4 27.N3d4 cd4 28.Bd6+–) 27.Na5+– Rb6 28.Nc6 Qf8 29.Nc7 Bf7 30.Rb6 Nb6 31.Qb3 (31.Bc1 Nfd7+–) 31...Nfd7 32.Bc1 e4 (32...Bf6 33.Na5+–) 33.Bg5 Be5 (33...Bh6 34.Bd8+–) 34.Be7 (34.f4!? Ba1 35.Qb1+–) 34...Qc8 35.Ne5 de5 36.Nb5 (36.Nd5 ed3 37.Nb6 Nb6 38.ed3 Qc7+=) 36...ed3+= 37.ed3 Qa6 (37...e4 38.de4 Qe8 39.Bg5 Nc4 40.Qb1+=) 38.Qb2 (38.Qd1 Nc8 39.Bg5 Nd6+–) 38...Qa4 (38...e4 39.Bg5 (worse 39.de4 Nc4 40.Qb1 Nd2–/+) 39...Na4 40.Qa1+–) 39.Nc3+– Qa5 40.Bd8?? (40.Qc1 Qa6+–) 40...Qb4 (better 40...Nc4 41.Ba5 Nb2=+) 41.Qc1 Kg7 (41...e4 42.de4 fe4 43.Ne4 Qc4 44.Qc4 Nc4 45.Be7+–) 42.h4 (42.Bc6 Qb3+–) 42...Qb3 (42...Na4 43.Na4 Qa4 44.Be7+=) 43.Qd2 (43.Bf3 e4 44.de4 fe4 45.Be4 Nc4+=) 43...Nf8 (43...Qb4 44.Bc6+–) 44.Nb5 (44.Bc7 Nbd7+–) 44...Nbd7 45.Nd6 (better 45.Be7+–) 45...Be6?? (better 45...Ne6 46.Be7 Nd4 47.Nf7 Kf7=) 46.Ne8 Kh7 47.Qg5 (47.Qg5 Bc4 48.dc4 Qd1 49.Kh2 Qd6 50.Nd6 e4 51.Qe7 Kh6 52.Qf7 Ne6 53.Qg8 Nd8 54.Qh8) 1–0. Rodriguez Ferraz,Borja (2220) – Alonso Valiente,Alexis (1940), Las Palmas Spain, Gran Canaria Team Cha, 2016. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0 c6 7.c4 e5 8.d3 Nh5)

9.Qb3 Be6 10.Nbd2 f5 11.a4 Nd7 12.a5 Rc8 13.Rfc1 g5 14.Ne1 Rf7 15.b5 Nc5 16.Qb4 f4 17.Ne4 Ne4 18.de4 fg3 19.hg3 Qf6 20.Nd3 c5 21.Qb3 g4 22.Rd1 Bf8 23.Bc1 Be7 24.Be3 Ng7 25.Qc2 Bd7 26.Qb2 Ne6 27.Ne5+/– 1–0. Poleschi,Ricardo – Gama,Eduardo PN, ICCF EM/J50/P072 ICCF Email, 2001.

9.Qb3 Be6 10.Nbd2 f5 11.e3 Nd7 12.Ne1 a5 13.a3 Nhf6 14.Nef3 h6 15.e4 (15.Nh4 Kh7=) 15...fe4 16.de4 Qe7 17.Qc2 b6 18.Nh4 Bf7 19.Bh3 Nh5 20.Ndf3 Kh7 21.Rfd1 Be6 22.Nf5+/– Qf7 23.Nd6 Qf6 24.Bg2 Bg4 25.Rd3 ab4 26.ab4 Ra1 27.Ba1 Qe6 28.Nh4 Bf6 29.f3 Bh3 30.Bh3 Qh3 31.Ng2 Ng7 32.Qd1 Nb8? 33.f4 Qe6+/– 34.c5 bc5 35.bc5 Na6 36.Qc1 Rb8 37.fe5 Be5 38.Be5 Qe5 39.Qh6! Kg8 40.Nf4 Nc5?? 41.Rd1 Ne4 42.Ng6 (42.Ng6 Qc5 43.Kh1 Nd6 44.Qh8 Kf7 45.Qb8+–; 42.Qg6 Qc5 43.Kh1 Nf2 44.Kg2 Nd1 45.Qg7 Kg7 46.Ne6 Kg6 47.Nc5 Rb2 48.Kg1 Rc2–/+) 1–0. Haag,Ervin – Bruentrup,Dieter, Zinnowitz DSV, 1965.

9.Qc2 a5 10.b5 c5 (10...cb5 11.cb5 Qe8 12.Nc3+/–) 11.Nc3 Nd7 (11...f5 12.Rfd1+=) 12.e3 (12.Bc1 Bf6+=) 12...f5 (12...Nb6 13.Rac1+=) 13.Qe2 (13.Nd2 Nhf6+=) 13...Nb6 14.Nd2 Qe7 (14...a4 15.Rab1+=) 15.Rae1 (15.Rfc1 Kh8=) 15...Be6 16.f4 Rae8 17.Bf3 ½–½. Reis,Thomas (2165) – Rubke,Manfred (2105), Oberliga Bayern, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.0-0 0-0 7.c4 c6 8.d3 Nh5)

9.Qc2 Na6 10.a3 Qe7 11.Nbd2 Bd7 12.d4 ed4 13.Bd4 Nf6 0–1. Graupera,Carlos – Ulasevich,Sergey (2120), OP–2010-0-01049, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.d3 e5 8.0-0)

9.Qc2 Be6 10.Nbd2 f5 11.e4 Nd7 12.d4 f4 13.c5 ed4 14.Nd4 Bf7 15.cd6 Ne5 16.N2f3 Nf3 17.Nf3 fg3 18.hg3 Qd6 19.a3 Qe7 20.Bg7 Ng7 21.Rab1 a5 22.Qc5 Rfe8 23.Ng5 Qc5 (23...ab4!? 24.ab4 Ra2=) 24.bc5+= Bc4 25.Rfd1 Re7 26.Rd4 Ba6 27.Rd6 (27.f4 h6 28.Nf3 Ne6=) 27...Rae8 (27...Re5 28.f4 Rc5 29.Rb3=) 28.Rbd1 Bc4 29.f4 h6 30.Nf3 Bb3 31.R1d2 Kh7 32.Ne5 Ne6 33.Ng4 (33.Nd7!? Kh8 34.Kh2+–) 33...Kg7? (better is 33...Rf8 34.f5 gf5 35.ef5 Nc5 36.Rh6 Kg8+=) 34.f5+– (34.f5 h5 35.Ne3+– (35.fe6?! hg4 36.Kf2 Kf6=)) 1–0. Garcia Ilundain,David (2495) – Baron Rodriguez,Jorge (2225), Leon op, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 Nh5)

9.Qc2 f5 10.c5 e4 11.de4 Bb2 12.Qb2 fe4 13.Nd4 d5 14.Nd2 Qe7 15.Qb3 Nf6 16.Rac1 Qe5 17.e3 Rf7 18.f3 ef3 19.N2f3 Qh5 20.Nh4 Nbd7 21.e4 Qe5 22.Ndf3 ½–½. Mittermeier,Peter – Eiler,Gebhard (2075), AUT–chT3, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 e5 7.d3 c6 8.0-0 Nh5)

9.Qc2 f5 10.Nbd2 g5 11.Nb3 g4 12.Nfd2 f4 13.a4 Na6 14.Bc3 Nc7 15.d4 Ne6 16.de5 Ng5 17.Rfd1 f3 (17...de5!? 18.Ne4 Qe7+=) 18.ef3+/– gf3 19.Bf1 Bh3 (19...de5 20.Ne4 Qe7 21.Bd3+/–) 20.Bh3 Nh3 21.Kf1 Qd7 (better is 21...Be5 22.Be5 de5+/–) 22.Ne4+– Qf5 23.Ra2 (23.Nd4 Qg4 24.Nd6 Be5 25.N4f5 (25.Nb7 Rae8 26.Re1 Bd4 27.Re8 Re8–+) 25...Rf5 26.Nf5 (26.Qf5?! Qf5 27.Nf5 Bc3=) 26...Qc4 27.Rd3+–) 23...de5+/– 24.Nd6 Qg4 25.c5 Rad8? (25...Ng5 26.Ke1+= (26.Nb7? Qh3 27.Ke1 Qh2–+)) 26.Bd2 (26.Na5 Ng5 27.Nab7 Qh3 28.Ke1 Rd7 29.Qb3 Kh8+=) 26...N3f4 (26...b6 27.b5 Rf6 28.Ne4+=) 27.Bf4+/– Nf4 28.Qc4 Kh8?? (better is 28...Qe6 29.Qe6 Ne6+=) 29.Nf7+– (29.gf4?! Rd7 30.Nd2 Rf4+/–) 29...Rf7 30.Rd8 Rf8 31.Rf8 Bf8 32.Qf7 Ne6? 33.Nd2+– e4 34.Ra3 Qg5 35.Re3 Qd5 36.Re4 (36.Re4 Qd2 37.Qf3+– (37.Qe6?! Qd3 38.Kg1 Qb1 39.Re1 Qb4+–; 37.Re6 Qd3 38.Ke1 Qc3 39.Kd1 Qb3 40.Ke1 Qb4 41.Kd1 Qa4 42.Ke1 Qa1 43.Kd2 Bh6 44.Rh6 Qd4 45.Kc2 Qf2 46.Kc3 Qe3 47.Kb4 Qh6 48.Qe8 Kg7 49.Qd7 Kg8 50.Qd8 Kf7 51.Qd7 Kg6 52.Qe6 Kh5 53.Qf5 Qg5 54.Qh7 Kg4 55.Qd7 Qf5 56.h3 Kg5 57.Qg7 Qg6 58.Qe5 Qf5 59.Qg7 Qg6 60.Qe5 Qf5 61.Qg7=); 36.Ne4?? Qc4 37.Re2 Qe2 38.Kg1 Qe1) 1–0. Soppe,Guillermo (2455) – Bianchi,Albino (2225), Mar del Plata op, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 Nh5)

9.Nc3 f5 10.b5 cb5 11.cb5 Nd7 12.Rc1 Nc5 13.Ba3 1–0. Fournier,Frederic – Chu,Joel, IECC, 2013.

9.Nbd2 e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Kf8 13.Qc2 f5 14.Qc3 Qf6 15.d4 Be6 16.Rae1 Nd7 17.e3 d5 18.c5 a6 19.a4 g5 20.f3 Qh6 21.Qd3 (21.e4 Kg8=) 21...Nhf6 22.h3 (22.Kg1 Qh3=) 22...Kg7 (22...f4!? 23.g4 Qh4–/+) 23.Rh1 Qg6 24.Qb3 Nf8 25.b5 ab5 26.ab5 Bd7 27.b6 Ne6 28.Ra1 Ra1 29.Ra1 f4 30.Ra7 Bc8 31.Ra8 Qe8 32.Kf2 (32.Qd3!?+=) 32...fg3–+ 33.Kg3 Qd7 (better is 33...Nd4!? 34.Qd3 Nf5 35.Kf2 Qe6–+) 34.Qd3 Nh5 35.Kf2 Nf8 36.Qf1 Ng6 (36...Qh3? 37.Qh3 Bh3 38.Rb8+–) 37.Qg2 h6? (better is 37...Qf5+=) 38.Qg4+– Nf6 39.Qd7 Bd7 40.Rb8 Bh3 41.Rb7 Nd7 42.Rc7 Ne7 43.b7 Kf6 44.Rd7! (44.Rd7 Bd7 45.b8Q+–) 1–0. Schuster,Petr (1960) – Veverka,Frantisek (1875), Bohemia South–chT, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.c4 Nh5)

9.Nbd2 e4 10.Bg7 ef3 11.Bf8 fg2 12.Kg2 Qf8 13.Re1 =.

9.Nbd2 f5 10.c5 Be6 11.cd6 Qd6 12.Ng5 Nd7 13.Nc4 Qe7 (13...Bc4 14.dc4 Qe7 15.b5=) 14.Ne6 Qe6 15.Na5 Rab8 16.Qb3 Qb3 17.Nb3 Nb6 18.Rac1 Rfe8 19.b5 ½–½. Schnur,Edmund (2185) – Fink,Christian, SVR–ch MTB Reil, 2000. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.d3 0-0 7.Bg2 c6 8.0-0)

9.e4 Qe7 10.Nc3 f5 11.Nd2 f4 12.Qc2 Na6 13.b5 Nc7 14.a4 Bg4 15.f3 fg3 16.fg4 gh2 17.Kh2 Qh4 18.Kg1 Bh6 19.Rf8 Rf8 20.Nf1 Ng3 21.Bc1 (withdraw) 1–0. Folkunger – Kleimert, corr SSKK 2–756 1991.

9.e4 f5 10.c5 dc5 11.bc5 Qe7 12.Qc2 Kh8 (12...fe4 13.de4 Bg4 14.Nbd2=) 13.Nbd2 Nd7 14.Rac1 f4 15.d4 ed4 16.Bd4 Bd4 17.Nd4 Ne5 18.N2f3 Ng7 19.Qc3 Bg4 20.Ne5 Qe5 21.Nf3 Qc3 22.Rc3 Ne6 23.Rb1 Rad8 24.h3 Bf3= 25.Bf3 fg3 26.fg3 Rd2 27.Bg4 Nd4 28.Rd1 Rd1 29.Bd1 h5 30.Kg2 Kg7 31.Ra3 a6 32.Rd3 Rd8 33.Bb3 Kf6 34.Kf2 Ke5 35.Ke3 g5 36.h4 g4 37.Bf7 Rf8+= 38.Bh5 Rf3 39.Kd2 Rf2 40.Ke1 Ra2–/+ 41.Bg4 Ke4 42.Rd2 Rd2 43.Kd2+= Nb3 44.Kc3 Nc5 45.h5 Ke5 46.Bc8 Ne4–/+ 47.Kb3 Nd6 48.Bd7 c5 49.h6 Kf6 50.g4 b5 51.g5 Kg6 52.Ka3 a5 53.Kb3 Kh7 54.Bg4 Kg6 55.Bd7 Kh7 56.Bg4 Kg6?? 57.Bd7 c4 58.Kb2 b4 59.Ba4 c3 60.Ka2 Kg5 61.h7 Nf7 62.Kb3?? Kf4 63.Kc4–/+ Ke3 64.Kb5 Kd3 65.Bb3= c2 66.Bf7 c1Q 67.h8Q ½–½. Skalkotas,Nikolaos – Wahlbom,Magnus, WchT U26 fin–B, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.c4 c6 8.d3)

10.a4 f5 11.e3 Nd7 12.Nfd2 Ndf6 13.b5 Bd7 14.Nc3 g5 15.Ba3 Ng4 16.bc6 bc6 (16...Bc6 17.Bd5 Kh8 18.c5 Bd5 19.Nd5=) 17.Rab1 (17.c5 dc5 18.Nb3 Rfb8+/–) 17...Qe6 18.Nb5 Qh6 19.h3 (19.Bd6 Ng3 20.h3 Ne2 21.Kh1 cb5 22.Bf8 A) 22...Kf8 23.Nf3 Ne3 24.Qe2 Ng2 25.Kg2–+; B) 22...Bf8?! 23.Nf3 Ne3 B1) worse is 24.Qe2 Ng2 (24...Nf1?! 25.Qe5 Re8 26.Qd5 Qe6 27.Ng5 Qd5 28.Bd5 Kg7 29.Rf1 ba4 30.d4+=) 25.Kg2 g4 26.hg4 Bc6–+; B2) 24.fe3 Ng3 25.Kg1 Nf1 26.Rf1+=; C) 22...Rf8 23.Bd5 Kh8–+) 19...Ng3 (19...Ne3 20.fe3 cb5 21.Ba8 Ra8 22.Qd1+=) 20.hg4?? (20.Rfe1 Ne3 21.Re3+/– (worse is 21.fe3 cb5 22.Bd5 Be6 23.Ba8 Ra8–/+)) 20…Ne2# 0–1. Szith,Gregor – Doskocil,Klaus (2195), Graz op–A, 1999.

10.Nc3 a6 11.a4 Be6 12.Nd2 a5 13.b5 c5 14.Nd5 Qd8 15.Rab1 Nd7 16.Ne3 Ra7 17.Ne4 Qc7 18.Nc3 b6 19.Ncd5 Qd8 20.Bc3 Ndf6 21.Qb2 Nd5 22.Nd5 f5 23.f4 ef4 24.Bg7 Rg7 25.Nf4 Nf4 26.Rf4 Re7 27.Rbf1 d5 28.cd5 Bd5 29.e4 Bb7 30.ef5 Bg2 31.f6 (31.Qg2 Rf5 32.Rf5 gf5 33.Rf5 Re1 34.Kf2 Ra1+/–) 31...Bf1 32.fe7 Qe7 33.Qa2 Rf7 34.Kf1 Kf8 35.Qd5 Rf4 36.gf4 Qf6 37.Kg2 Qf4 38.Qd8 Kg7 39.Qb6 Qd2 40.Kg1 Qe3 41.Kg2 Qe2 42.Kg1 Qe3 43.Kg2 Qd2 ½–½. Schumacher,Dirk (2025) – Illgen,Alexander (1925), Mecklenburg VP LL, 2006. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 d6 5.Bg2 0-0 6.0-0 e5 7.c4 c6 8.d3 Nh5)

10.Nc3 f5 11.b5 Nf6 12.Nd2 c5 13.a4 Nbd7 14.a5 Rb8 15.e3 g5 16.f4 ef4 17.ef4 gf4 18.Rae1 Qf7 19.gf4 Kh8 20.Nd5 Nd5 21.Bd5 Qg6 22.Kh1 Nf6 23.Rg1 Ng4 24.Nf3 Bf6 25.Ng5 h6 26.Ne6 Rg8 27.Nc5 dc5 28.Bg8 Kg8 29.h3 Qh5 30.Kg2 Kf7?? 31.hg4 Qg4+= 32.Kh2 Qh4 33.Kg2 Qg4 34.Kh2 Qf4 35.Kh1 Qh4 36.Kg2 Bg5?? 37.Be5 Qg4 38.Kh1+/– Qf3 39.Qg2 Qh5?? 40.Bh2+– Be6 41.Re6! (41.Re6 Ke6 42.Qd5 Kf6 43.Qd6 Kf7 44.Qb8 Qf3 45.Rg2 Qd1 46.Bg1 Qh5 47.Qh2 Qh2 48.Rh2+–) 1–0. Skurzak,Ludwik – Skalik,Przemyslaw (2300), Poland–chT U20 Bydgoszcz, 1990.

10.Nc3 f5 11.Nd2 Nf6 12.b5 c5 13.e3 Nbd7 14.Rae1 Re8 15.f4 Nf8 16.fe5 de5 17.Nd5 Nd5 18.cd5 Rb8 19.e4 b6 20.Nc4+/– fe4 21.de4 Bd7 22.a4 h5 23.Re3 Nh7 24.Bc3 Ng5 25.Qb2 Bg4 26.h4 Nf7 27.Bf3 Bh3 28.Bg2 Bg4 29.Kh2 Nd6+= 30.Nd6 Qd6 31.Bf3 Rf8 32.Qe2 Bf3 33.Ref3 Rf3 34.Rf3 Rf8 35.Rf8 Qf8 36.Kg2 ½–½. Keene,Raymond – Garcia Orus,Francisco, Clare Benedict Cup, 1966.

10.Nc3 f5 11.e3 g5 12.Rae1 Be6 13.Qe2 Bf7? 14.Nd2 f4? 15.ef4 gf4 16.Bf3 Qg5 17.Nce4 Qh6 18.g4+– Qg6? 19.Kh1 Nf6 20.Nd6 Nfd7 21.Nf7 Rf7 22.Rg1 Na6 23.a3 Nc7 24.g5 Rff8 25.Be4 Qe8 26.Qg4 Rf7 27.Bh7! Kh7 28.g6 Kg8 29.gf7 Qf7 30.Ne4 Ne6 31.Qh3 Qe7 32.Rg7! Kg7 33.Rg1 Kf7 1–0. Christen,Pi (2015) – Pasko,Sotir, 25th ECC, Ohrid MKD, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3)

9.a4 Bg4 10.h3 Be6 11.Kh2 Nbd7 12.b5 a6 13.bc6 bc6 14.Ba3 Qc7 15.Qc2 Rab8 16.Nc3 Rb7 17.Nd2 Rfb8 18.Rab1 Ne8 19.Na2 Rb1 20.Rb1 Rb1 21.Qb1 d5 22.Qb3 e4 (22...Nef6 23.Qc2=) 23.de4 dc4 24.Qc2 (24.Nc4? Ne5–+) 24...Nd6 25.Nb4 (25.f4!?+=) 25...c3 26.Nb1 Nc4 (26...Qb6 A) 27.Nc3? Nc4 (27...Qf2?! 28.Nd1 Qb6 29.Nc6=) 28.Qc1 Na3 29.Qa3 Bf8–+; B) 27.Nd3 Bb3 28.Qc1=+) 27.Bc1= (27.Na6? Qb6 28.Bc1 Qf2–+ (worse 28...Qa6 29.f4–+)) 27...Qb6 28.Nd3 Nc5 29.Nc3 Qb3 Exerts pressure on the isolated pawn 30.Qb3 Nb3 31.Na2 Nd4 (31...c5 32.e5=) 32.e3 (32.Nab4 Ne2 33.Na6 g5+–) 32...Ne2 (32...Nc2 33.Nc5 Nb6 34.Ne6 fe6 35.e5+=) 33.Nab4+= Nc1 34.Nc1 a5 (34...Nb2 35.Nc6 Na4 36.e5+=) 35.Nc6+– Bd7 36.e5! Ne5 (36...Ne5 37.Na5 Deflection; 36...Be5 37.Ne5 Combination) 37.Na5 Ba4 38.Bd5 h5 39.f4 Nd7 40.Nb7 Nb6 41.Ba2 Bc6 (41...Kf8 42.e4+–) 42.Nd6 Bd5 43.e4 Ba2 44.Na2 Bf8 45.Ne8 Nd7 46.Kg2 f6 47.Kf3 Kf7 48.Nc7 Ba3 49.Nc3 Bb4 50.N7d5 Ba3 51.Ke3 Bc5 52.Kd3 Bf2 53.g4 hg4 54.hg4 Bg1 55.Ne3 (55.Ke2 g5+–) 55...Bh2 (55...g5!? 56.Ke2 gf4=) 56.Ng2 Bg1 57.Kc4 (57.Ne1!?+–) 57...g5+= 58.Kd5 gf4 59.Nf4 Ne5 60.Nh3 Bh2 (60...Be3 61.g5+=) 61.Nf2 (61.g5!?+–) 61...Bg3= 62.Ncd1 Ke7 63.Kd4 (63.Nh1 Bf4+=) 63...Ke6= 64.Ke3 Bh4 65.Kf4 Ng6 66.Kf3 Ne5 67.Kg2 Bg5 (67...Bf2 68.Nf2 Ng4 69.Nd3=) 68.Kg3 Bd2 69.Nb2 (69.Kh4 Kd6=) 69...Be1= 70.Nbd1 Bd2 71.Kh4 Nf3 72.Kg3 (72.Kh5 Ke5+=) 72...Ne5 73.Kh3 Nf3 74.Nb2 (better 74.Kg2 Ne5 75.Kf1=) 74...Ke5?? (better 74...Be3 75.Kg3 Nd2=) 75.Kg3+– Bc3 (75...Ng1 76.Nc4 Kd4 77.Nd2 Ne2 78.Kf3+–) 76.Nbd1 (76.Nbd3 Kd6 77.Kf3 Bd4+–) 76...Ba5 (76...Nd2 77.Nc3 Kd4 78.Nd5+–) 77.Kf3 Bb6 78.Ne3 Ba7 79.Nd3 Kd4 (79...Ke6 80.Nf4 Kf7 81.Nh5+–) 80.Nb4 (80.Nb4 Kc5 81.Nbd5+–) 1–0. Willim,M (2130) – Straschewski,J (2040), 9th Sparkassen Open, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 c6 8.d3 h6)

9.a4 Kh7 10.Nbd2 Be6 11.Qc2 Nbd7 12.c5 dc5 13.bc5 Nd5 14.d4 ed4 15.Nd4 N7f6 (better 15...Nb4!? 16.Qc1 Qe7 17.Ne6 fe6 (17...Qe6?? 18.Bg7 Kg7 19.Qc3 Nf6 20.Qb4+–) 18.Bg7 Qg7+–) 16.Ne6+– fe6 17.Nc4 Qe7 (better 17...Nd7!? 18.Bg7 Kg7+–) 18.Ne5+– Qe8 19.Rad1 Nb4 (19...Rd8 20.e4 Nb4 21.Qb1+–) 20.Qc4 Nfd5 21.e4 Qe7 (21...Na6+–) 22.ed5 Nd5 23.Be4 Qc7 (23...Be5 24.Be5 Rad8 25.h4+–) 24.Bg6 Kg8 25.Qe4 Ne7 (25...Kh8+–) 26.Rd7 Be5 27.Rc7 (27.Rc7 Rf6 28.Qe5 Raf8 29.Re7 Kh8 30.Bh7 R8f7 31.Rf7 b5 32.Qf6) 1–0. marekt – blackfox, net–chess.com, 2019.

9.Nbd2 Nbd7 10.Qc2 Re8 11.Bc3 a6 (11...d5 12.e3=) 12.e3 (12.a4 d5=) 12...d5 13.Kh1 (13.a4 e4 14.Ne1 Qe7=) 13...Qc7 (13...Qe7 14.Rfb1=) 14.a3 (14.Rac1 b6=) 14...Nf8 (14...b6 15.Rfc1=) 15.Rac1 Bg4 16.h3 Bf3 17.Nf3 Qd6 18.Kg1 (18.Rfd1 N8d7+=) 18...N8d7 19.Nd2 Qe6 20.Rfd1 (20.cd5 Nd5 21.Ba1 Rad8=) 20...Nh7 (20...Rad8 21.a4=) 21.cd5 White gets strong initiative 21...cd5 Opening the c–file gets White a lot of play 22.Qa2 b5?? (better 22...Nhf6=) 23.Bd5+– (23.Qd5?! Qd5 24.Bd5 Rad8+–) 23...Qe7 24.Ba8 Ra8 25.Qd5 Rd8 26.Ne4 Nhf6 (26...Ng5 27.Ng5 Qg5 28.Qb7+–) 27.Qc6 Ne4 28.de4 Nb8 29.Qc5 (better 29.Rd8 Qd8 30.Qb7 Qd6+–) 29...Qe8 (29...Qc5 30.bc5 Rc8 31.g4+–) 30.Rd8 Qd8 31.Bb2 (31.Be5 Be5 32.Qe5 Nd7+–) 31...Kh7 (31...Qd2 32.Qd5 Qd5 33.ed5+–) 32.Qa7 Qd2 (32...Qg8+–) 33.Rc7 Nc6 34.Rc6 Qb2 (34...Qd1 35.Kg2 Qb1+–) 35.Qf7 (35.Qf7 Qa1 36.Kg2 Qa2 37.Qa2 g5 38.Qe6 Bf8 39.Qf7 Bg7 40.Rg6 g4 41.Qg7) 1–0. pcmvr – bluewolf, net–chess.com, 2018.

9.Nbd2 Re8 10.e4 Bg4 11.h3 Bf3 (11...Be6 12.d4=) 12.Nf3 Nbd7 13.Qc2 c5 14.a3 Qc7 15.Bc3 Nh7 16.Nh2 Nhf8 17.f4 f6 (17...ef4 18.Bg7 Kg7 19.Qc3 f6 20.Rf4+=) 18.h4 (18.f5 Qb6 19.b5 a6+/–) 18...Re7 (18...Qb6 19.b5+=) 19.Ng4 (19.f5 g5+/–) 19...Rf7 20.Ne3+/– Nb6 21.Bh3 Re8 22.Rf2 ef4= 23.Rf4 f5 24.Bg7 Rg7 25.Nd5 Nd5 26.cd5 fe4 27.de4 g5 28.hg5 hg5 29.Rf6 g4 30.Bg2 Nd7 31.Rf5 c4 32.Rff1 b5 33.a4 a6 34.ab5= ab5 35.Ra6 Nb8 36.Ra5 Qb7 37.Rf6 Nd7 38.Rd6+/– Ne5 39.Qe2 Qf7 40.Raa6 Nf3= 41.Bf3 Qf3 42.Qf2 Qe4+= 43.Re6 Qb1 44.Qf1 Qf1 45.Kf1 Re6 46.Re6 Rg5 47.d6 Rd5 48.Rg6 Kf7 49.Rg4 Rd6 50.Rg5 Rb6 51.Ke2 Kf6 52.Rc5 Re6 53.Kf3 Re5 ½–½. Auger,Bertrand (1995) – Kovacina,Marko (1840), Sherbrooke op, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d6 7.0-0 e5 8.d3)

10.a4 Qd7 11.Re1 Bh3 12.Bh1 Qc7 13.c5 Nbd7 (13...Rd8!?=) 14.cd6+= Qd6 15.Nc4 Qe7 16.Rb1 (better is 16.Nfe5!? Rfd8 17.Nd7 Bd7 18.e4+=) 16...Nd5= (16...Qb4?? 17.Ba3 Qc3 18.Rb3 Qe1 19.Ne1+–) 17.b5 Rfe8 18.Qc1 cb5 19.ab5 N5b6 20.Ba3 Qe6 21.Nd6 Reb8 22.Nd2 Nd5 23.N2c4 Bf8 24.Qb2 N7b6 (better is 24...a6!?+=) 25.Qe5+/– Nc4 26.Qe6 Be6 27.dc4 Nc3 28.Rbc1 Na4 29.c5 Bd6 30.cd6 a6 31.ba6 Ra6 32.Rc7 Nb6 33.Bc1 Nd5 34.Bd5 Bd5 35.d7 (35.e4!? Be6 36.Rd1 Rd8+–) 35...Rc6 36.Rb7! Rd8 (36...Rb7 37.d8Q Double attack (37.d8N Decoy)) 37.Bh6 Rd6 38.Ra7 R6d7 39.Rd7 Rd7 40.e4 Be6 41.Kg2 Rc7 42.Re2 f6 43.Bf4 Ra7 44.h3 Rh7 45.h4 Ra7 46.Rd2 Rd7 47.Rb2 Kg7 48.Rb6 Bf7 49.Bc1 Re7 50.Kf3 Re6 51.Rb7 Rc6 52.Bb2 Kf8 53.Kf4 Ra6 54.f3 Rc6 55.g4 Be8 56.Rb8 Kf7 57.h5 gh5 58.gh5 Rc5 59.Rb7 Ke6 60.Ba3 Rh5 61.Re7 1–0. Fleischer,Eugen – Weder,Hanspeter (2010), Adelboden Seniors op 3rd, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6 7.0-0 e5 8.d3 h6)

10.a4 Nbd7 11.Qc2 Nh5 12.b5 d5 13.bc6 bc6 14.Ba3 Re8 15.Rab1 Bf8 16.Bf8 Rf8 17.Rb7 d4 18.c5 Bd5 19.e3 de3 20.fe3 Nhf6 21.e4 Be6 22.d4 ed4 23.Nd4 Ne5 24.Ne6 fe6 25.Qc3 Nfd7 26.Nb3 Rf1 27.Bf1 Qf6 28.Be2 Rf8 29.Qe3 Ng4 30.Qf4 Qc3 31.Qg4 Ne5 32.Qe6 Kh8 33.Kg2 1–0. D Smith – Loeza, IECG 1997.

10.Nb3 Nbd7 11.Nfd2 Nh7 12.a4 f5 13.b5 d5 14.Ra2 a6 15.cd5 cd5 16.Qa1 Qb6 17.ba6 Ra6 18.d4 e4 19.a5 Qa7 20.Rc1 Bf6 21.e3 Be7 22.Bf1 Ng5 (22...Rc6!?+/–) 23.Ba6+– Qa6 24.Ba3 Ba3 25.Ra3 Nh3 26.Kg2 f4 27.gf4 Qe2 28.Ne4?? (better is 28.Rf1 Qg4 29.Kh1+/–) 28...de4–+ 29.Qa2 (29.Nd2 Nf2 30.Kg1 Nd3–+) 29...Qf3 (29...Qg4 30.Kf1 Qg1 31.Ke2 Qf2 32.Kd1 Bg4 33.Qe2 Qe2) 30.Kf1–+ Nf6 (better is 30...Qh1 31.Ke2 Qg2–+) 31.Rc2?? (31.Ke1 Qh1 32.Kd2 Qh2 33.Re1–+) 31...Qd1 32.Kg2 Qg1 0–1. Longar,Thomas – Schwingler,Wolfgang, Baunatal op 1st, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 c6 8.0-0)

10.Qc2 Nbd7 11.a4 Ne8 12.a5 (12.d4 Qc7+=) 12...a6 (12...Qc7 13.d4+=) 13.d4+– White intends c5 13...f5 (13...Qe7 14.Qb3+=) 14.de5 de5 15.e4 (15.Rfd1 e4 16.Nd4 Qe7+–) 15...f4 16.c5 g5 17.Rfd1 (17.h3+–) 17...Qe7 (17...g4 18.Nh4+–) 18.Ra3 (18.Nc4 Bg4 19.Rd3 Nc7+–) 18...Nc7 (18...Qf7!?+–) 19.Nc4+– Nb5 20.Rad3 Bg4 21.Nd6 fg3 22.hg3 Kh8 (22...Nd6 23.cd6 Qf7 24.Re3+–) 23.Nf5 (worse 23.Nb7 Nd4 24.Nd4 Bd1 25.Rd1 ed4+–) 23...Bf5 24.ef5 Rad8 25.Qd2 (25.Re3!? Qf7+–) 25...Rf7 26.Bh3 (26.Re3 Rf5 27.Bh3 Rf3 28.Rf3+– (28.Bd7 Rf7–+)) 26...Bf6 (26...e4 27.Nh4! Qe8 28.f6 Bf6 29.Rd7 (29.Bd7?! Qg8 30.Ng6 Qg6=) 29...Rdd7 30.Bd7+–) 27.Bg4 (better 27.Re3+–) 27...Nd4?? (27...e4 28.Nh4! gh4 29.Qh6 Kg8 30.Bf6 Qf6 31.Qf6 Rf6 32.Rd7 Rd7 33.Rd7 hg3 34.Rb7 Nd4 35.fg3 e3+–) 28.Nd4 (28.Bd4?! ed4 29.Re1 Ne5+–) 28...ed4 29.Bd4 (29.Rd4!? Bd4 30.Qd4 Kh7+–) 29...Rdf8 (29...Rg8+–) 30.Re1 (30.Re1 Be5 31.Rde3+–) 1–0. Tu,Hoang Thong (2390) – Puranik,Abhimanyu (2475), 7. HD Bank Cup, 2017. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d6 7.0-0 e5 8.d3 h6)

10.Qc2 Nbd7 11.c5 dc5 12.bc5 Qc7 13.e4 b5 14.Rfd1 Bg4 (14...Rad8 15.d4+=) 15.a4 (15.h3 Be6+=) 15...a6 (15...b4 16.h3 Bf3 17.Bf3=) 16.h3+= Bf3 17.Nf3 Rfe8 18.Bc1 (18.d4 ed4 19.Nd4 Ne5+=) 18...Nf8 (18...b4 19.Rb1 a5 20.Be3+=) 19.d4+/– Ne6 20.ab5 ab5+= 21.Ra8 Ra8 22.Ne5 Nd4 23.Rd4 Qe5 24.Rd6 Qa1 25.Rd1 Qe5 26.Bb2 Ra2 27.Be5 Rc2 28.Rd8 Kh7 29.Bd6 Rc1 30.Kh2 Rc4 31.e5 Ne4 32.Rd7 Kg8 33.Rc7 Nc5 34.Rc8 Kh7 35.Rc6 Ne6 36.f4 Rc6 37.Bc6 Nd4 38.Bd5 Kg8 39.Bc5 Ne6 40.Bf2 Bf8 41.Kg2 Ba3 42.Kf3 Kf8 43.Ke4 Ke7 44.g4 Bc5 45.Be1 Ba3 46.Bd2 Nc5 47.Kd4 Ne6 48.Ke3 f6 49.ef6 ½–½. Bachler,Kevin L (2220) – Giobbi,Costantino (2250), WS/M/198 ICCF, 2009.

9.a3 Nc7 10.c4 Be6 11.Nb3 Qd7 12.Re1 Rad8 13.Qc2 Rfe8 14.Rad1 a6 15.Ng5 Bg4 16.h3 Be6 17.Na5 (17.e4 b5+=) 17...Na8 (17...h6!? 18.Ne6 Ne6=) 18.d4 ed4 19.Bd4 d5 20.cd5 Bd5 21.e4 h6 (21...Ne4 22.Be4 (22.Ne4?! Be4 23.Re4 Re4 24.Qe4 Bd4+–) 22...Be4 23.Ne4 Bd4 24.Nb3 Bf2 25.Kf2 (worse 25.Qf2 Qd1 26.Nf6 Kf8 27.Qc5 Qd6 28.Re8 Kg7+–) 25...Qf5 26.Kg2+–) 22.ed5 hg5 (22...Re1 23.Re1 hg5 24.Qb2+–) 23.Bf6 (23.Re8 Ne8 24.dc6 Qc7 25.Bg7 Rd1 26.Qd1 b6+–) 23...Bf6? (better 23...Re1 24.Re1 Bf6 25.dc6 bc6 26.Qc6 Qc6 27.Nc6 Rc8+–) 24.Re8 Qe8 25.Nb7 Rb8 26.dc6 Be5 (26...Nc7 27.Rd7 Qe5 28.Nc5+–) 27.Rd7 (better 27.Re1+–) 27...Rc8 (27...Nb6 28.Rd3 Bc7 29.Re3+–) 28.Qd2 (better 28.Bd5 Kg7 29.Bf7 Qf7 30.Qe4+–) 28...Nb6 29.Nd6?? (better 29.Rd3 g4 30.hg4+–) 29...Bd6+– 30.Qd6 Nd7 31.cd7 Rc1 (31...Qe1 32.Kh2 Rd8 33.Qc7+–) 32.Kh2+– Qd8 33.Bb7 (33.Qa6?! Qd7 34.Qb6 Qd1=) 33...Rc7 (33...a5 34.ba5 Rc2 35.a6 Rf2 36.Kg1+–) 34.Bc8 (34.Bc6!? g4+–) 34...Rc8 35.dc8Q Qc8 36.Qc5 Qd8 37.a4 White prepares b5 37...Qd1 38.b5 ab5 39.ab5 Qf3 40.b6 Kh7 41.Qe3 Qb7 42.f3 Kg7 43.Qc3 Kg8 44.Qf6 Qa6 45.Qb2 Qb7 46.Kg2 Kh7 47.Qb5 Kg8 48.Kf2 Kh7 49.Qb4 Kg8 50.Ke3 Kh7 51.h4 gh4 52.Qh4 Kg7 53.Qd4 Kh7 54.f4 (54.Qc5 Qd7+–) 54...Qe7 (54...Qg2+–) 55.Kd3 Qa3 56.Kc4 Qa6 57.Kc5 Qb7 (57...Qc8 58.Kb4+–) 58.Qd6 Qe4 59.Kb5 (59.Qd5 Qe7 60.Kc6 Qf6 61.Qd6 Qc3 62.Qc5 Qg3+–) 59...Qb1 (59...Qe8 60.Qc6 Qe2 61.Qc4 Qe8 62.Kb4+–) 60.Ka6 Qd3 (60...Qa2 61.Kb7 Qb3+–) 61.Qd3 (61.Qd3 Kg8 62.b7 g5 63.b8Q Kg7 64.Qe5 Kg8 65.Qd8 Kh7 66.Qdh8 Kg6 67.Qg5) 1–0. gbsrao (2295) – michelleke (2500), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 d6 3.b4 e5 4.Bb2 g6 5.Bg2 Bg7 6.0-0 0-0 7.d3 c6 8.Nbd2 Na6)

9.a3 Nc7 10.c4 Re8 11.c5 dc5 12.Be5 (12.bc5!? Ne6 13.Qc2+=) 12...cb4+= 13.ab4 Bg4 14.Qb3 Qd7 15.Qb2 Bf3 16.Nf3 Nh5 17.Bg7 Ng7 18.Ng5 Qe7 19.Ne4 Nd5 20.e3 a6 21.Ra5 f5 22.Rd5 fe4 23.Rd4 ed3 24.Rd1 Rad8 25.Qb3 Qf7 26.Qd3 Rd4 27.Qd4 Rf8 28.Rd2 Nf5 29.Qc5 Re8 30.Bf1 Qe7 31.Qc3 Qe5 32.Bc4 Kf8 33.Qb3 Nd6 34.Bg8 Re7 35.Rd4 Kg7 36.Rh4 h5 37.Rf4 a5 38.ba5 Qa5 39.Qd1 Qe5 40.Ba2 c5 41.Bd5 b5 42.Qf3 c4 43.Rf8 Nf5 44.Rg8 Kh7 45.e4 Nh6 46.Ra8= c3 47.Qf8 Qg7 48.Qg7 Kg7 49.Rc8 b4 50.f3 Ra7 51.Kf2 Ra1 52.Rc7 Kf6 53.Ke3 Rd1 54.h4 Ke5 55.Bb3 Rb1 56.Rc6 Ng4? 57.Kd3+– Nf2 58.Kc4 Rb2 59.Kb4 Nd1? 60.Re6 Kd4 61.Rd6 (61.Rd6 Ke3 62.Rd1+–) 1–0. De Leon,Javier – Valdivia,Manuel (2285), Havana op, 1992. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 c6 7.d3 e5)

9.a3 Nc7 10.c4 Bg4 11.h3 Be6 12.Ng5 Bf5 13.Nb3 Qd7 (13...Qe7 14.e4 Bd7 15.Re1=) 14.h4 (14.e4 Be6+=) 14...h6= 15.Nf3 Rfe8 16.e4 Bh3 17.d4 (17.c5!? Bg2 18.Kg2=) 17...Bg2–/+ 18.Kg2 ed4 19.Nbd4 (19.Bd4 Ne4 (worse 19...Re4 20.Bf6 Bf6 21.Nc5+=) 20.Bg7 Kg7–/+) 19...Ne4 20.Re1 Nf6 (20...Re7 21.Nd2 Rae8 22.Ne4 Re4 23.Re4 Re4 24.Rb1–/+) 21.Qb3 d5 22.cd5 (22.Ne5 dc4 23.Qc4 Qd5 24.Qd5 Nfd5–/+) 22...Ncd5 23.Ne5 Qd6 24.Nc4 Qc7 25.Rac1 Rad8 26.Nd2 (26.Qf3 Re7–/+) 26...Re1 27.Re1 Ng4 28.Rc1 (28.N4f3 Qb6 29.Re2 Qb5–+) 28...Qe7 (better 28...Nf4 29.gf4 Bd4 (29...Rd4?! 30.Bd4 Bd4 31.Qf3=) 30.Bd4 Qf4–+) 29.N4f3?? (better 29.N2f3–/+) 29...Qe2–+ 30.Rf1 (30.Nc4 Qf2 31.Kh3–+) 30...Ndf6 (30...Nde3 31.Kh3 Nf1 32.Kg4–+) 31.Qc4 (31.Nc4 Rd3 32.Nd4 Qe4 33.f3 Rb3 34.fe4 Rb2 35.Nb2 Ne3 36.Kf3 Nf1 37.Nc4–+) 31...Rd2 (better 31...Ne3 32.Kg1 Nc4 33.Re1–+) 32.Nd2 (32.Qe2 Re2 33.Bd4–+) 32...Qd2 (better 32...Ne3 33.Kg1 Nc4 34.Nc4 Qc4 35.Bf6 Bf6 36.h5–+) 33.Bf6 (33.Qd4 Qe2 34.Bc3 Nh5–+) 33...Nf6 (better 33...Ne3 34.Kg1 Nc4 (34...Bf6?! 35.fe3 Qe3 36.Kg2=+) 35.Bg7 Kg7–+) 34.Qb3 (34.Kg1 a6–+) 34...Qd5 (34...Nd5 35.Qf3–+) 35.Qd5 Nd5 36.Kf3 (36.Rd1 f5–+) 36...h5 (36...Bb2!? 37.a4 b5 38.ab5 cb5 39.Rb1–+) 37.Re1 Bd4 (37...Bb2 38.a4–+) 38.Re8 Kg7 39.Rb8 b6 40.Rb7 (40.Ra8 Nf6–+) 40...a5 41.Ke4 ab4?? (better 41...Bf2 42.b5 cb5 43.Kd5 b4 (43...Bg3?! 44.Rb6 b4 45.a4–+) 44.ab4 ab4–+) 42.Kd4–/+ ba3 (42...b3 43.Kd3 c5 44.Rd7 c4 45.Kd2=) 43.Ra7=+ Nb4 (better 43...Kf6=+) 44.Ra3?? (better 44.Kc4 Nd5 45.Kd4=) 44...Nc2–+ 45.Kc4 (45.Ke5 Na3 46.Kd6 c5–+) 45...Na3 46.Kb4 (46.Kd4 Nb5 47.Ke3 Nd6–+) 46...Nc2 47.Kc4 Ne1 48.Kd4 Nf3 49.Kc4 (49.Ke4 Nh4! 50.Kd3 Nf5–+) 49...Kf6 50.Kb4 (50.Kd3 Nh4! 51.g4 Nf3 52.gh5 gh5–+) 50...Ke5 51.Kc4 Kd6 (51...Nh4 52.Kd3–+) 52.Kd3 b5 53.Kc3 Kc5 54.Kb3 Nd4 55.Kc3 1–0. JUANKARODA (1780) – Mapelian (1805), lichess.org, 2020.

9.a3 Nc7 10.Nc4 Re8 11.e4 b5 12.Na5 Qd7 13.Re1 Ne6 14.Be5 (14.d4 h6+=) 14...de5 15.Ne5 Qc7 (15...Qd4 16.Nec6 Qc3 17.e5+=) 16.Nec6= Nd7 (16...Nh5 17.e5=) 17.d4 Bb7 (better is 17...Qb6!?=) 18.e5 Bc6 19.Nc6 Rac8 (19...Qb6+=) 20.Rc1 (20.d5!? Kh8 21.de6 Re6 22.Nd4 Re5 23.Qd3+/–) 20...Nd8= 21.c4 bc4 22.Rc4 Nc6 23.Rc6 Qd8 24.Rc8 Qc8 25.Qb3 Nb6 26.b5 Qf5 27.a4 Rd8 28.a5 Nc8 29.b6 ab6 30.ab6 Ne7 31.b7 Rb8 32.Qb6?? Qc2?? 33.Qa7 Qc7+/– 34.Ra1 Rd8? 35.Qa8 Be5 36.Qd8! (36.Qd8 Qd8 37.de5+–) 1–0. gbsrao (2270) – lsanchez (2240), net–chess.com, 2010. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.Bg2 d6 6.d3 0-0 7.0-0 e5)

9.a3 Nh5 10.d4 Qe7 11.de5 de5 12.e4 Nc7 13.Nc4 Rd8 14.Qe2 f6 15.Rfd1 Be6 16.Na5 Ne8 17.Qe3 Nd6 18.Bf1 Qc7 19.Nd2 b6 20.Nab3 Nf7 21.Bc4 Qd7 22.Qe2 Bc4 23.Nc4 Qe6 24.Ne3 Ng5 25.f3 Bf8 26.Nf1 Ng7 27.h4 Nf7 28.Kg2 Ne8 29.Ne3 Bh6 30.Qc4 Qc4 31.Nc4 Ned6 32.Ncd2 Rd7 33.Kf2 Rad8 34.Ke2 Bd2 35.Nd2 Nb7 36.f4 Re8 37.Kf3 Red8 38.Ke2 Re8 39.Kf3 Red8 ½–½. Roth,J – Doerflinger,J, 2BLS, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6)

9.c4 Nb4–/+ 10.a3 Na6 11.Nb3 Nc7 12.a4 Ne6 13.Ba3 Re8 14.Nfd2 Qc7 15.Rb1 c5 16.Ne4 Nd7 (16...Ne4 17.Be4 f5 18.Bd5–/+) 17.Bc1 Nd4 18.Nd4 ed4 19.Bf4 Ne5 20.Qd2 Rb8 21.Bh6 (21.e3 f5 22.ed4 cd4–/+) 21...f5–/+ 22.Bg7 Kg7 (worse 22...Qg7 23.Nd6 Rd8 24.Nc8 Rdc8 25.Rb5+=) 23.Ng5 Bd7 24.Qf4 (24.a5!?–/+) 24...h6–+ 25.Nf3 Ba4 26.Ne5 de5 27.Qf3 (better 27.Qd2–+) 27...Bc6 28.e4 fe4 29.de4 Rf8 (29...b5 30.Qe2 a6 31.f4–+) 30.Qa3 b6 31.Qc1 a6 32.Qd2 (32.Qa3 Ra8–+) 32...Qb7 (32...b5 33.Qa2–+) 33.Qd3 (33.f4 Rbe8–+) 33...b5 34.f4 ef4 35.gf4 (35.Rf4 Qe7 36.Rf8 Rf8–+ (36...Kf8?! 37.e5 Bg2 38.Qg6 Qe5 39.Qh6 Ke7 40.Qh7 Kd6 41.Kg2–+)) 35...b4 (35...Qc7 36.Qa3 b4 37.Qg3–+) 36.Rb2 a5 37.Rbf2 b3 38.f5 b2 (38...gf5 39.ef5 Rg8 40.Bc6 Qc6 41.Rf3–+) 39.f6 (39.Qg3 Qf7 40.Rb1 Rfe8–/+) 39...Kf7 40.Rb1 Rfe8 (40...Qb3!? 41.Qd2 Qa2 42.Rff1–+) 41.Qd2 Be4 (41...g5!? 42.Qa5 Qd7 43.Rfb2 Rb2 44.Rb2 Be4 45.Qc5 Bg2 46.Rg2 Re1 47.Kf2–+) 42.Qh6–/+ Bg2 (42...Bb1?! 43.Qg7 Ke6 44.f7+= (44.Bb7 Bc2 45.Bd5 Kd6=)) 43.Qg7 Ke6 44.f7 Qe4?? (44...Rf8 45.Rbb2 Qc8 46.Qg6 Kd7 47.Qf5 Kd6 48.Qf6 Kc7 49.Rb8 Kb8 50.Rg2 Ka8+–) 45.fe8Q (45.Rf6 Ke5 46.f8Q Qf5 47.Re1 Kf4 48.Rf5 Kg4 49.Qg6 Kh4 50.Qg3) 45...Re8+– 46.Rf6 Ke5 47.Rg6 Kf4 48.Rg4 Ke3 49.Re4 Be4 50.Rb2 (50.Qg3!? Kd2 51.Rb2 Bc2 52.Qf2 Re2 53.Rc2 Kc2 54.Qe2 Kc3 55.Qe1 Kc4 56.Qa5 d3+–) 50...d3 51.Qh6 Kd4 52.Qf6 Re5 (52...Kc4 53.Qf7 Kc3 54.Qb3 Kd4 55.Qa4 c4 56.Qe8+–) 53.Kf2 a4 54.Rb6 Bh7 55.Rd6 (55.Rd6 Kc3 56.Qe5 Kc2 57.Qc5+–) 1–0. gbsrao (2360) – michelleke (2430), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 c6 6.0-0 e5 7.d3 0-0 8.Nbd2 Na6)

9.Nc4 Nb4!? 10.c3 Nbd5–/+.

9.Nc4 Re8 10.a3= Be6 11.Na5 Qd7 12.c4 b6 13.Ne5 (13.Ne5 de5 14.Bc6+=) 1–0. gbsrao (2235) – rhand (2310), net–chess.com, 2011.

9.Rb1 a5=+ 10.ba5 Qa5 11.Nb3 Qc7 (worse 11...Qa2 12.Ra1 Qb2 13.Ra8=) 12.a3 (12.c4 Re8=+) 12...Nb6–/+ 13.Re1 Na4 14.Ba1 b5 15.e4 Re8 16.Nfd2 (16.d4 Bd7–/+) 16...Nb6 17.f4 (better 17.Qc1!?–/+) 17...Ra3–+ 18.Nf3 c5 19.fe5 (19.Qc1 Ra6–+) 19...de5 20.Qd2 (20.Qc1 Ra7–+) 20...c4 21.Nc1 (21.Qc1 Ra2 (21...cb3?! 22.Qa3 bc2 23.Rb5=+) 22.Nbd2 Bh6–+) 21...c3 (21...Qa7 22.Be5 cd3 23.Bf6 Nc4 24.Qf2 dc2 25.Rb5 Bf6 26.Qa7 Ra7 27.Kf2–+) 22.Qe2 (22.Qf2 Ng4 23.Qe2 Qa7–+) 22...Qa7 23.Nb3 Be6 24.Bc3 (24.d4 Bb3 25.cb3 ed4 26.e5–+) 24...Na4 25.Bd4 (25.Qf2 Qf2 26.Kf2 Nc3–+) 25...ed4 26.Qf2 (26.Qd2 Nc3 27.Ra1 Ng4 28.Ra3 Qa3–+) 26...Ng4 27.Qd2 (27.Qf1 Ne3 28.Qf2 Rc8–+) 27...Nc3 28.h3 (28.Qg5 Nb1 29.Qb5–+) 28...Bh6 29.Ng5 f6 30.hg4 Bg5 31.Qf2 Be3 32.Re3 de3 (32...de3 33.Qe1 Nb1–+) 0–1. blackfox – marekt, net–chess.com, 2019.

9.c4 Qe7 10.Qb3 Ne8 (10...Re8 11.a4=) 11.e4 (11.a4 a5=) 11...c5 (11...a5 12.a3=) 12.a3 Nc7 13.Nb1 (13.Rae1 a6=) 13...b6 (13...f5 14.Nc3=) 14.Nc3 Bb7 (14...Re8 15.Nd2=) 15.Rae1 Ne6 (15...a5 16.b5=) 16.Nd5+= Qd8 17.Nd2 Nd4 18.Bd4 cd4 (18...ed4 19.bc5 Bd5 20.ed5 bc5 21.f4=) 19.f4 Bd5 (19...a6 20.Qd1+=) 20.ed5 f5 (20...ef4 21.gf4 (worse 21.Rf4 Bh6=+) 21...Qh4 22.Qa4+=) 21.fe5 Ne5 22.Nf3 Ng4 23.Re6 (23.Qb2 Ne3 24.Rf2 Qf6=) 23...Ne3 24.Re1 Rc8 (24...a6 25.Re2+=) 25.h3 (25.Qa4 f4+=) 25...Re8 (25...f4 26.g4=) 26.Nd2 (26.Re8!? Qe8 27.b5=) 26...Qg5=+ 27.Nf1 Be5 (27...Rf8 28.h4 Qg4 29.Qa4=+) 28.Qa4= Rf8 29.Qd7 Rcd8 (29...Bg3!? 30.Re2 A) worse 30...Ng2 A1) 31.Ng3? Nh4 (31...Qg3?? 32.Rg2 Qe3 33.Re3 de3 34.Qe6 Kg7 35.Qe7 Kg8 36.Qe3+–) 32.Rg2 Rcd8–+; A2) 31.Rg2 f4 32.Rd6+– (32.Ng3?! fg3 33.Re1 b5=+); B) 30...Be5 31.Re5 de5 32.Ne3 de3 33.Qe6 Kg7 34.Qe5 Qf6 35.Re3 Rfe8 36.Qf6 Kf6 37.Re8 Re8=+) 30.Qe7= Qe7 31.Re7 Rf7 (31...Nf1 32.Rf1 Bg3 33.Ra7=) 32.Re5+= de5 33.Ne3 de3 34.Re3 Re7 35.c5 (35.Kf2 Kf7=) 35...bc5 36.bc5 e4 (better 36...Rc7!? 37.c6 Re7=) 37.de4+– Rd5 38.ed5 Re3 39.d6 (39.c6 Kf7 40.c7 Rc3+–) 39...Kf8 (39...Kf7 40.c6 Ke6 41.c7+=) 40.c6+= Rc3 (40...Ke8!? 41.c7 Kd7+=) 41.Kf2 Ke8 42.a4 (42.c7 Kd7 43.Bb7 h6+–) 42...g5 (better 42...Rc2 43.Kg1 Rc1 44.Kh2 Rc2=) 43.c7 Kd7 44.Bb7 a5 (44...f4 45.gf4 gf4 46.Ke2+–) 45.Ke2 h6 (better 45...f4!? 46.Kd2 Rc5 47.gf4 gf4+–) 46.Kd2+– Rc4 47.Kd3 Rc1 48.Kd4 Rc2 49.Ke5 Rc5 50.Kf6 f4 51.c8Q Rc8 52.Bc8 (52.Bc8 Kd6 53.gf4 gf4 54.Bg4+–) 1–0. Gerusel – Sand, corr, 1980. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 c6 6.0-0 e5 7.d3 0-0 8.Nbd2 Nbd7)

9.c4 Qe7 10.Ne1 a5 11.a3 c5 12.b5 Rb8 (12...Nb6 13.Qc2=) 13.Nc2 b6 14.Ne3 Bb7 15.Bb7 Rb7 16.Nd5 Nd5 17.cd5 f5 18.e4 f4 19.f3 fg3 20.hg3 Qg5 21.Kg2 (21.Qe1!?=) 21...Nf6+= 22.Rg1 Nh5 23.Kf2? (better is 23.Kh2+=) 23...Rbf7–+ 24.Qe2 (24.Nc4 Qg4 25.Ke1 Rf3–+) 24...Bh6 25.Nf1 Qg4 26.Nh2 (26.Ke1 Qf3 (26...Rf3 27.Nh2 Qg3 28.Rg3 Rg3 29.Kd1–+) 27.Bc1 Qe2 28.Ke2 Rf1 29.Bh6 R8f2 30.Ke3 Rf3 31.Kd2 R1f2 32.Kc1 Ng3–+) 26...Qh3 27.Rg2 (27.Ke1 Be3!! 28.Qg2–+) 27...Ng3! 28.Rg3 (28.Rg3 Qh2) 28...Qh2 29.Rg2 Qh4 30.Kg1 Rf3 (30...Rf3 31.Rh2 Qg3 32.Qg2 Be3 33.Kh1 Qg2 34.Kg2 Rf2 35.Kh1 Rh2 36.Kh2 Rf2 37.Kg3 Rb2–+) 0–1. Cox,Terrence – Purdon,Colin (2085), Kidlington Congress, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.Nbd2 Nbd7)

9.c4 Re8 10.a4 a5 (10...Qe7 11.Qc2=) 11.b5 Nc5 12.d4 Nce4 (12...Ncd7!?=) 13.bc6 (13.de5 Nd2 14.Qd2 de5 15.Qd8 Rd8 16.bc6 bc6 17.Ne5 Bb7+–) 13...bc6 14.Ne4 (14.de5 Nd2 15.Nd2 de5 16.Bc6 Rb8+=) 14...Ne4+= 15.Ne5 (better 15.de5 Bf5 16.Nd4 de5 17.Nc6+=) 15...Nf2? (better 15...de5 16.Be4 Qb6=) 16.Rf2+– (16.Kf2?! de5 17.de5 Qc7=) 16...de5 17.Bc6 Qb6? (better 17...Ba6+–) 18.Be8 (18.Ba8?! Qb2 19.Bd5 Rf8+–) 18...Qb2 19.Bf7 Kh8 20.d5 1–0. jdzg – ajji, internet, 2009.

9.c4 Re8 10.Qc2 Qc7 11.a3 b6 (11...a5 12.c5=) 12.b5 (12.d4 a5=) 12...Bb7 13.bc6 Bc6 14.Nh4 (14.e4 Nc5=) 14...Bg2=+ 15.Ng2 Rac8 16.Qb1 Nc5 (16...d5 17.cd5 Nd5 18.Rc1=+) 17.Ra2 (17.e4 a6=) 17...d5=+ 18.f4 (18.cd5 Nd5 19.e4 Ne7=+) 18...ef4 (18...e4 19.f5 ed3 20.ed3=+) 19.Nf4 dc4 20.Nc4 Ng4 (20...Qd8 21.e3=+) 21.Bg7= Kg7 22.Qa1 (22.Rc2 Qd7 23.h3 b5 24.hg4 bc4 25.Rc4 Ne6 26.Rc8 Rc8 27.Ne6 Qe6+=) 22...Kg8 23.h3 (23.Qd4 Qc6=) 23...Ne3 (23...b5 24.hg4 bc4 25.Kh2–/+) 24.Rf3 Nb3 25.Qb2 Nc4 26.dc4 (26.Qb3!? Ne3 27.Nd5 Qc1 28.Kh2 Nf1 29.Kg2=) 26...Qc5–/+ 27.Kf1 (27.Kg2 Nd4 28.Rd3 Rcd8=+) 27...Nd4 28.Rd3 Re4 29.Nd5 (better 29.Ra1!? Qe5 30.Rc1–/+) 29...Re2–+ 30.Qd4? (better 30.Qb1 Qc4 31.Nf6 Kg7 32.Re2 Ne2 33.Ke2 Qe6 34.Kf2 Qf5 35.Kg2–+) 30...Ra2 31.Nf6 (31.Qe3 Qe3 32.Ne3 Rc5–+) 31…Kh8 (31...Kh8 32.Ke1 Qd4 33.Rd4 Ra3–+) 0–1. Woods,Richard (1745) – Morganti,Lionello (1725), IECG, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.Nbd2 Nbd7)

9.c4 Re8 10.e4 a5 11.a3 Qb6 (11...Qe7 12.Re1=) 12.Bc3 ab4 13.ab4 Ra1 14.Qa1 h5 (14...Qc7!?=) 15.c5+= dc5 (15...Qc7 16.d4 d5 17.Ne5 Ne4 18.Be4 de4 19.Ne4 Ne5 20.de5+–) 16.Ne5 Bf8 17.Ndc4 (17.bc5 Qc5 18.Nec4 Qe7+=) 17...Qd8 (17...Qc7 18.bc5 Nc5 19.Rb1+=) 18.bc5 Bc5 (18...Nc5 19.Re1+=) 19.Nd7 (19.d4 Bf8+–) 19...Nd7+= 20.d4 Bf8 21.f4 (21.Qb2 h4+=) 21...b5 (21...h4 22.Qb2+=) 22.Ne3 b4 23.Bb2 Nf6 (23...h4 24.e5 c5 25.Rd1+=) 24.e5 Nd5 25.Nd5 cd5 26.Qa2 (26.Qa4 Be6+=) 26...Be6 27.Bf3 Qd7 (27...Re7 28.Qb3+=) 28.Ra1 (28.f5 Bf5 29.Bd5 Rd8=) 28...Rc8 (28...Qb5 29.Qb3+=) 29.Rc1 (29.Qb3 Rc4+=) 29...Rc4 (29...Rc1 30.Bc1 Qc6 31.Qb2=) 30.f5 gf5 31.Bh5 (31.Be2 Rc1 32.Bc1 h4=) 31...Qc6 (31...Bh6 32.Ra1 Be3 33.Kh1=) 32.Rf1+= Rc2 33.Bd1 Rd2 34.Qa1 (34.Qb1 Bd7 35.Re1 Qh6=+) 34...Qc4 (34...f4 35.Rf4 (35.gf4?? Bh3 36.Qb1 Qh6–+) 35...Bh6 36.Rh4–/+) 35.Rf2 Bh6 36.Rd2 (36.Kg2 Qd3 37.Bf3 Be3 38.Rd2 Qd2 39.Kh1 f4 40.gf4 Qf2–+ (40...Bf4?! 41.Qg1 Kf8 42.Qg2–/+)) 36...Bd2=+ 37.Kf2 (37.Kg2!?=+) 37...Qd3–/+ 38.Bf3? (better 38.Kg2 f4 39.Bf3–/+) 38...Qe3–+ 39.Kg2 Be1 40.Bh5 (40.Qa8 Kg7 41.Qd8 Qf2 42.Kh3 f4 43.Bg4 Bg4 44.Kg4 Qe2 45.Kg5 fg3 46.Qf6 Kg8 47.Qd8 Kh7 48.hg3–+) 40…f4 (40...f4 41.Qe1 Qe1 42.gf4 Qd2 43.Kg3 Qb2–+) 0–1. Hickman,John (2125) – Coleman,David (2240), Monarch Assurance, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.Nbd2 Nbd7)

9.e4 Qb6 10.a3 a5 11.Nc4 Qc7 12.ba5 Nc5 13.c3 (13.Bc3 Ra6=) 13...Bg4 (13...Be6 14.Ne3=+) 14.h3 (14.Qe2 Nb3 15.Rad1 Na5=) 14...Bd7 (14...Be6 15.Ne3=+) 15.a4 (15.Qe2 Nb3 16.Nb6 Ra5 17.Nd7 Nd7=) 15...Rad8 (better 15...Be6!? 16.Ne3 Ra5–/+) 16.Ba3= Rfe8 (16...Be6 17.Nb6=) 17.Bc5 dc5 18.Rb1 Be6 19.Nce5 Ne4 20.Qc2 Nd6 21.Rfe1 (21.a6!? ba6 22.Rfe1=) 21...Qa5–/+ 22.d4? (better 22.Re2!?–/+) 22...Bf5–+ 23.Nd3 (better 23.Qb3 Bb1 24.Rb1–+) 23...c4 24.Nfe5 (24.Re8 Re8 25.Nfe1 Re1 26.Re1 cd3–+ (26...Bd3?! 27.Qc1–+)) 24...Bd3 (better 24...Be5 25.Re5 Re5 26.de5 Bd3 27.Qb2 Bb1 28.ed6–+) 25.Nd3 b5?? (better 25...cd3!? 26.Qd3 Qa4 27.Re3–+) 26.ab5?? (26.Ne5 c5 27.Nc6 Qa4 28.Qa4 ba4 29.dc5 Re1 30.Re1 Bc3 A) 31.Nd8? Be1 32.Nc6 a3–+; B) 31.cd6?? Be1 (worse 31...Rd6 32.Re8 Kg7 33.Ra8+–) 32.Nd8 a3–+; C) 31.Rd1+–) 26...cd3–+ 27.Qd3 (27.Re8 Re8 28.Qd3 cb5–+) 27...cb5 (27...Re1 28.Re1 Nb5 29.Rc1–+) 28.Bc6? (28.Re8 Re8 29.Qf3–+) 28...Re1 29.Re1 b4 30.cb4 Qb4 31.d5 (31.Rd1–+) 31...Qe1 32.Kg2 Qe4 (32...Qe4 33.Qe4 Ne4–+) 0–1. gbsrao (2185) – michelleke (2410), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bb2 e5 5.Bg2 Bg7 6.0-0 c6 7.d3 0-0 8.Nbd2 Nbd7)

9.e4 h6 10.c4 (10.a4 Ne8=) 10...Nh7 11.Rb1 f5? (11...Qe7!?=) 12.d4 (12.Nh4 Rf6+/–) 12...Qe7 (12...Ng5 13.Nh4 Qe8 14.de5 fe4 15.Ne4 Ne4 16.Be4 Ne5 17.Be5 Qe5 18.Bg6+/–) 13.ef5 (13.c5!? fe4 14.cd6 Qd6 15.Ne4 Qb4 16.Nh4 ed4 17.Ng6+–) 13...gf5 14.de5 de5 15.Re1 (15.Nh4!? Qe6 16.Qe2+=) 15…e4= ½–½. Mielke,Norman – Buescher,Andre, Oberliga Nord W, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.Nbd2 Nbd7)

9.Nb3 Bg4 10.h3 Bf3 11.ef3 (11.Bf3 d5=) 11...Nbd7 12.Re1 Qc7 13.Qd2 Rad8 (13...d5 14.d4=+) 14.f4= ef4 15.Qf4 Ne5 (15...Nh5 16.Re8 Re8 17.Qc1=) 16.Re2 Nh5 17.Qd2 (17.Qe3 Nf3 18.Qf3 Bb2+=) 17...Nc4 18.dc4 Bb2 (18...Re2 19.Qe2 Bb2 20.Rd1=) 19.Rb1 (19.Rae1 Re2 20.Re2 Bg7=) 19...Re2 20.Qe2 Bc3 21.a3 Bg7 22.Nd2 Qb6 23.Rb3 Kf8 24.Rd3 Re8 25.Qd1 Be5 (25...a5 26.c3 (worse 26.Rd6 ab4 27.c5 Qc5=+) 26...f5 27.Bf3 Ng3 28.Kg2+=) 26.Ne4+/- Re6 (26...a5 27.Qd2+/- (27.Nd6?! Bd6 28.Rd6 ab4=)) 27.c5 (27.Nd6!? Bd6 28.Rd6 Ng7+-) 27...dc5+/- 28.Nc5 Re7 29.Nd7 Rd7 30.Rd7 Ng3 (30...Nf6 31.Rd3+-) 31.c4 Nh5 (31...Nf5 32.Qe2 Bf6+-) 32.c5 Qa6 33.Qb3 (33.Qb3 Kg7 34.Rf7 Kh6 35.Qe3 Nf4 36.Qe5 Ne2 37.Kh2+-) 1-0. Thabo123 (2005) - paoloone (1610), ChessWorld.net, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 c6 6.0-0 0-0 7.d3 e5)

9.c4 Bg4 10.h3 Bf3 (10...Bd7 11.a3=) 11.Bf3 (11.Nf3 Nbd7=) 11...d5 12.Qc2 (12.e4 Qd6=) 12...Na6 (12...Qe7 13.a3=) 13.a3 Rc8 (13...Qd7 14.Bg2=) 14.Rfc1 (14.Bg2 Qd7+=) 14...Qd7 (14...Nc7 15.Bg2=) 15.Bg2 Bh6 (15...d4 16.Re1+=) 16.Rd1 (16.e3 Bg7+=) 16...d4 17.Qa4 (17.c5 b5+=) 17...Bd2 (17...Ra8 18.Nb3+=) 18.Rd2+= Qe7 (18...g5 19.e3+=) 19.Rc1 (19.Re1 Qd6+–) 19...Nd7+= 20.Qd1 (20.Re1 Nb6 21.Qc2 c5+–) 20...f5 (20...Qg5 21.Qe1+=) 21.Rdc2 (21.e3 Qf6+=) 21...Nf6 (21...Qg5 22.Qe1+=) 22.Qd2 (22.e3 de3 23.fe3 Rcd8+=) 22...Nc7 23.e3 Ne6 24.Re1 Qd7 (24...Rcd8 25.Rcc1+=) 25.Rcc1 (25.Qd1 Re7+=) 25...Rcd8 26.ed4 (26.Qe2 Qd6+=) 26...Nd4= 27.Qg5 (27.Qe3 Nh5=) 27...Kg7 28.Rcd1 (28.f4 ef4 29.gf4 Qd6=) 28...h6 29.Qc1 (29.Qd2 Qd6=) 29...g5 30.Kh2 (30.f4 ef4 31.gf4 g4=) 30...g4=+ 31.h4 (31.Qe3 gh3 32.Bh3 Ng4 33.Bg4 fg4 34.Bd4 ed4=) 31...Kg6 (31...Kh7 32.Bd4 Qd4 33.Qe3=+) 32.Qc3 (32.Re3 Qc7=) 32...f4 (32...Kh7 33.Bc1=+) 33.gf4= ef4 34.Re8 Qe8 35.Re1 Qf7 36.Bd5? (36.Bc1 f3 37.Bf1 Qc7 38.Kh1–+) 36...Rd5–+ (36...Nd5? A) 37.cd5? Nf3 38.Kg2 Ne1 39.Qe1 Re8–+ (39...Rd5?! 40.Qe4 Kh5 41.Be5–+; 39...Qd5?! 40.Kg1–+); B) 37.Qd4 g3 38.Kg1+– (38.fg3?! fg3 39.Kg3 Qc7 40.Qe5 Qe5 41.Re5 Nc3+–)) 37.cd5 Nf3 38.Kg2 (38.Kh1 Ne1 39.Qe1 Qd5 40.Kh2 Qd3–+) 38...Ne1 39.Qe1 Qd5 40.Kg1 (40.Kh2 Qd3 41.Qe5 Qf5 42.Qf5 Kf5–+) 40...Qd3 41.Qe5 Qb1 42.Kg2 (42.Kh2 Qf5 43.Qf5 Kf5–+) 42...Qe4 (42...f3 43.Kh2 Qf5 44.Kg1 Qe5 45.Be5–+) 43.Kf1? (43.Qe4 Ne4 44.f3–+) 43...Qe5 (43...Qh1 44.Ke2 f3 45.Kd2 Qh4 46.Bd4–+) 44.Be5 Nd5 45.Ke2 (45.Bd4 Kh5 46.Ba7 Kh4–+) 45...Kf5 (45...Kh5 46.Kf1–+) 46.Bg7 (46.Bb8 a6–+) 46...h5 47.Kd3 (47.Bf8–+) 47...g3 48.fg3 fg3 49.Ke2 (49.Bd4 b6–+) 49...Kg4 50.Bd4 a6 51.Bc5 Nf4 (51...Nf4 52.Kf1 Kh4–+) 0–1. Ramirez,Raul – Covini,Cesar A, Pinamar tt, 1973. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 c6 8.Nbd2 Re8)

9.Nc4 Be6 10.Nd6? (better 10.Ng5=+) 10...Qd6–+ 11.Be5 Qe7 (11...Qb4!? 12.Rb1 Qe7 13.c4–+) 12.a3 Nbd7 13.Bf4 (13.Bd4 c5 14.bc5 Nc5–/+) 13...Nd5 14.Bg5 Qd6 (14...Qf8 15.d4–+) 15.c4 Nc3 (15...Ba1?! 16.Qa1 a5 17.cd5 Bd5 18.Bf4=+) 16.Qc2 Ne2! 17.Qe2 Ba1 18.Ra1 (better 18.c5!? Qd5 19.Ra1–/+) 18...Bc4!–+ 19.Qb2 (19.dc4 Re2 Discovered attack) 19...Ba6 (19...Qd3!? 20.Be3–+) 20.Bh6 (20.Rd1 Ne5–/+ (20...Bd3 21.Qc3+–)) 20...Qf6–+ 21.d4 Re2 22.Qb3 Rae8 23.Bg5 Qe6 24.Qe6 R8e6 (24...R2e6 25.Be3–+) 25.Be3 Nf6 26.Ng5 (26.Bf1!? R2e3 27.fe3 Bf1 28.Rf1 Re3 29.Ne5–/+) 26...Re7–+ 27.Rc1 (27.Bf1 Rc2 28.Ba6 ba6–+) 27...Ra2 28.d5 cd5 (28...Nd5 29.Ba7 Nc3 30.Rc3 Re1 31.Bf1–+) 29.Rc8? (29.Bd4 Rae2 30.Nf3 Nd7–/+) 29...Re8 (better 29...Kg7 30.Rc1 h6–+) 30.Re8 Ne8 31.Bd5 Ra1 (31...Ra3? 32.Bf7 Kg7 33.Be8+–) 32.Kg2 Nd6 (32...Ra3? 33.Bf7 Kg7 34.Be8+–) 33.Bc5 (33.h3 b6–+) 33...Rd1 (33...Bf1 34.Kf3 Bc4 35.Be4 Ne4 36.Ne4–+) 34.Bb3 Bc4?? (better 34...Bf1 35.Kg1 Rb1–+) 35.Bd1+– (35.Bd1 Nb5 36.a4+–) 1–0. gbsrao (2375) – rstilt (2335), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6 8.Nbd2 Re8)

9.e4 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa3 Qc7 14.Re1 d5 15.c4 de4 16.Ne4 Ne4 17.Re4 c5 18.bc5 Nc5 19.Re3 Bd7 20.Ng5 h6 21.Ne4 Ne4 22.Be4 Bf8 23.Qb3 Bc5 24.Re1 b6 25.Bd5 Kg7 26.Qd1 f6 27.Kg2 Bc6 28.d4 ed4 29.Re8 Be8 30.Bd4 Bd4 31.Qd4 Bf7 32.Bf7 ½–½. Marin – Georgiev, Andorra 1997.

9.e4 a5 10.a3 b5 11.Re1 ab4 12.ab4 Ra1 13.Qa1 Qc7 14.Qa5 Qa5 15.ba5 c5 16.Ra1 Na6 17.Kf1 Nb4 18.Ne1 Be6 19.Nb1 Nc6 20.Nc3 Nd4 21.Ne2 d5 22.Nc3 de4 23.Ne4 Ne4 24.Be4 Re7 25.a6 Ra7 26.Bb7 h5 27.Ra5 Bd7 28.Nf3 f6 29.Nd4 ed4 30.Bc1 g5 31.f4 Bh6 32.fg5 fg5 33.h4 Kf7 1–0. Waterschoot,Thierry (1850) – Galerne,Rene (2005), IECG, 2000.

9.e4 Nbd7 10.c4 c5 11.a3 b6 12.b5 a5 13.Ne1 h6 14.Qe2 Nh7 ½–½. Hickman,John – Lappage,Jonathan, Deloitte Touche Jersey Open (7), 2000.

9.c4 Nfd7 10.Qb3 a5 11.a3 Qe7 12.e3 Kh7 13.Qc2 f5 14.e4 f4 15.b5 g5 16.Bh3 Nf6 17.Bf5 (better is 17.Bc8!? Rc8 18.d4 cb5 19.de5 de5 20.Be5=) 17...Bf5+= 18.ef5 c5 19.Ne4 Nbd7 20.h3 b6 21.g4 Rh8 22.Kg2 Kg8 23.Qe2 Re8 24.Rh1 Ne4 25.de4 Bf6 26.Rad1 Rd8 27.Nd2 Qf7 28.Nb1 Be7 29.Nc3 Nf6 30.f3 Kg7 31.Bc1 Rh7 32.Nd5 Nd5 33.ed5 Bf6 34.Qe4 Rdh8 35.Rh2 h5 36.Rdh1 h4 ½–½. Syfantos,Nikolaos (1850) – Kosmas Lekkas,Dimitrios (2010), Ambelokipi op, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6)

9.c4 Be6 10.a3 Nbd7 =.

9.c4 Be6 10.Rc1 Na6 (10...a5 11.Qa4=) 11.a3 Nd7 (11...Re8 12.Qc2=) 12.Ne4 (12.Qc2 f5=) 12...Qe7 (12...Qc7 13.b5 Nac5 14.Nc5 Nc5 15.d4=) 13.d4 (13.b5 cb5 14.cb5 Nac5=) 13...ed4 (13...f5!? 14.Ned2 e4+=) 14.Nd4 d5 15.cd5 Bd5+= 16.Nc5 Bg2–+ 17.Kg2 Nac5 18.bc5 Nc5 19.f3? Rad8 20.e3? Ne6 21.Qb3 Nd4 22.Bd4 Bd4 23.ed4 Rd4 24.Rfe1 Rd2 25.Kg1 Qd7 26.Qe3 Kh7 27.Rc4 b6 28.Rh4 h5 29.g4 Rd5 30.gh5 Rh5 31.Rh5–/+ gh5 32.Qe5 Qh3 33.Qe4–/+ Kh8 34.Qd4 f6 35.Re8 Re8 36.Qf6= Kg8 37.Qg6 Kf8 38.Qf6 Kg8 39.Qg6 Kf8 ½–½. gbsrao (2320) – vanadis (2410), net–chess.com, 2008.

9.c4 Be6 10.Qc2 Na6 11.a3 Re8 12.Rac1 Qe7 13.e4 Nd7 14.d4+= Bg4 15.b5 Nc7= 16.de5 de5 17.a4 Ne6 18.h3 Bf3 19.Nf3 Rac8 20.Rfd1 Red8 21.Bc3 c5 22.a5 Nd4 23.Qb2 Bf8 24.Kh1 Qe6 25.Nd2 h5 26.Kh2 h4 27.g4 Bh6+= 28.Bd4 cd4–/+ 29.Rc2 Bd2 30.Rdd2 Rc4 31.Rc4 Qc4 32.Rc2 Qa4 33.a6 ba6 34.Bf1 ab5 35.Bb5 Qa5 36.Bd7 Rd7 37.Rc8 Rd8 38.Rc6 d3 39.Rf6 Qc7 40.Qb3 Kg7 41.Rf3 d2 (41...d2 42.Kg2 d1Q–+) 0–1. Russo,Carmelo – Tomescu,V (2415), 1st Chiuso It, Rome ITA, 2004.

9.Nc4 Be6 10.Rb1 Qc7 11.a4+= Nbd7 12.e4 Bc4–/+ 13.dc4 Nb6 14.c5= dc5 15.Be5+= Qc8 16.a5 Nbd7 17.Bd6 Ne4 18.Bf8+/– Bf8 19.Qd3 Nef6 20.b5 cb5 21.Rb5 a6 22.Rbb1 Bg7 23.Nh4 Rb8 24.Rfe1 b5 25.Bd5 Nd5+= 26.Qd5 Nf6 27.Qd6 c4 28.Re7 Nh7 29.Rbe1+/– Bf8 30.Ng6+– fg6?? 31.Qg6 Kh8 32.Qh7 1–0. gbsrao (2200) – gtan (2200), net–chess.com, 2006.

8.a3 a5 9.b5 Na7 10.Nc3 c6 11.bc6 bc6 12.Nh4 Rb8 13.Na4 c5 14.c4 Bd7 15.Rb1 Qe8 16.Nc3 Qe6 17.Nd5 Nd5 18.Bd5 Qe7 19.Ng2 Nc6 20.Ne3 Nd4 21.Bg2 Qg5 22.Re1 Rb3 23.Nd5 (23.Bd4!? Rb1 24.Qb1 ed4 25.Nd5=) 23...Rfb8+= 24.h4 Qd8 25.e3 (25.Qd2 e4 26.Bd4 Rb1 (worse is 26...cd4 27.Rb3 Rb3 28.Qa2+=; worse is 26...Bd4 27.Rb3 Rb3 28.Be4=) 27.Bg7 Kg7 28.Be4 R1b3–/+) 25...Rb2–/+ 26.Rb2 Rb2 27.ed4 cd4 0–1. Moeckel,Jean L – Lyew,Merrill, WCCF EQ, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6)

8.a3 a5 9.b5 Ne7 10.c4 Nd7 11.Nc3 c6 12.Rb1 d5 13.cd5 cd5 14.Na4 d4 15.Nd2 Nb6 16.Nb6 Qb6 17.Nc4 Qd8 18.Qa4 Nd5 19.Bd5+/– Qd5 20.Nb6 Qd6? 21.Na8+– Bh3 22.Qa5 f5? 23.Nb6 f4 24.Nc4 Qd5 25.f3 Bh6 26.g4 e4 27.b6 Qd6 28.Qe5 (28.Qe5 Qe5 29.Ne5+–) 1–0. Hamornik,Jozef (2110) – Nemec,Anton, SVK–chT3C, 2000.

8.a3 a5 9.b5 Ne7 10.e4 (10.c4 Bg4=) 10...c6 (10...Bg4 11.h3 Be6 12.Nc3=) 11.c4 (11.Nc3 Bg4=) 11...h6 (11...Bg4 12.h3 Be6 13.Nc3=) 12.Nbd2 Be6 (12...cb5 13.cb5 a4 14.Nc4+=) 13.a4 (13.d4 ed4 14.Bd4 Re8+=) 13...Nd7 (13...g5 14.d4=) 14.Nb3 (14.d4 Rc8=) 14...Qc7 (14...f5 15.Nh4=+) 15.Rc1 (15.Re1 cb5 16.cb5 Nc5=) 15...Nc5 (15...f5 16.Re1=+) 16.Nc5= dc5 17.h4 (17.b6 Qd6=) 17...Rad8 (17...cb5 18.cb5 Rad8 19.Qc2=) 18.Qb3 (18.Qd2 cb5 19.cb5 Nc8=+) 18...Rd7 (18...cb5 19.ab5 Qd6 20.Qc3=+) 19.b6 Qd6 20.Rfd1 f5 21.Rd2 (21.Re1 f4=) 21...f4 22.Bc3 fg3 23.fg3+= Bg4 24.Nh2 h5 25.Ng4+/– hg4 26.Rf1 Rf1 27.Bf1 Bh6+= 28.Rd1 Be3 29.Kg2 Bd4? 30.Be2+/– Qe6 31.Ba5+– g5 32.h5 Kg7 33.Rf1 Ng8 34.Qd1 Nh6 35.Bd2 Rf7 36.Bg5 Rf1 37.Qf1 Nf7 38.Bd2 Nh6 39.a5 Qc8 40.Bh6 Kh6 41.Qf5 Qf5+– 42.ef5 e4 43.de4 Kh5 44.Bd1 Bc3 45.a6 ba6 46.Ba4 Ba5 47.b7 Bc7 48.Bc6 Kg5 49.Kf2 Kf6 50.Bd7 Ke5 51.f6 Kf6 52.Bg4 a5 53.Bd1 Kg5 54.Kf3 Be5 55.Ke3 Kf6 56.g4 Kg5 57.Kd3 Kf4 58.Kc2 Ke4 59.Kb3 Kd3?? 60.g5 Kd2 61.Bh5 Ke3 62.g6 Kf4 63.g7! Bg7 64.b8Q Be5 65.Qf8 Ke3 66.Bf7 Bd4+– 67.Ka4 Kd3 68.Ka5 Ke3 69.Kb5 Ke4 70.Bd5 Ke5 71.Qe7 Kf4 72.Qa7 Ke3 73.Qa2 Kd3 74.Qh2 Ke3 75.Qh7 Kf4 76.Qg8 Kf5 77.Qf7 Ke5 78.Qe6 Kf4 79.Qe4 Kg3 80.Qf3 Kh4 81.Be6 Kg5+– 82.Qg4 (82...Kf6 83.Qf5 Kg7 84.Qg5 Kf8 85.Kc6 Ke8 86.Qg8 Ke7 87.Qf7 Kd8 88.Qd7) 1–0. BlueNoteTokyo (2050) – ALEXMIT_CA (2100), ICC, 2003.

8.a3 Nd7 9.e4 Ne7 (9...Nb6 10.c3=) 10.c3 f5? (10...Nb6 11.Nbd2=) 11.ef5 (better 11.Qb3!? Kh8 12.Ng5+/-) 11...Nf5+= 12.Re1 Nf6 13.Nbd2 c6 14.c4 Re8 15.Ne4 a5 16.Nfg5 Ne4 17.Ne4 Be6 18.Ng5?? (better 18.Qd2=) 18…Qg5-+ 0-1. Darkseid (1690) - Jimmy_Roth19 (2140), ChessWorld.net, 2011. (=1.Nf3 Nf6 2.g3 d6 3.b4 g6 4.Bb2 Bg7 5.Bg2 e5 6.0-0 0-0 7.d3 Nc6)

8.a3 Be6 9.c4 Qd7 (9...h6 10.Nc3=) 10.Re1 (10.Ng5 a6=) 10...Bh3 11.Bh1 Nh5 (11...Qg4 12.Nc3=) 12.Ng5 h6 (12...Bg4 13.b5 Nd8 14.Nc3=) 13.Nh3+= Qh3 14.Bg2 Qd7 15.Nd2 f5 16.e3 Kh7 17.b5 Nd8 18.Qc2 c6 19.a4 Rf7 20.Nf3 Ne6 21.Re2 (21.Rab1 Re8+=) 21...c5 (21...e4 22.Nd4 d5 23.Rb1=) 22.a5+= Raf8 23.Nd2 (23.a6 ba6 24.Ra6 f4+–) 23...Nf6 (23...f4!?=) 24.h3 h5 (24...a6 25.b6+=) 25.a6+– b6 26.Bc6 Qc8 (26...Qc7 27.f4+–) 27.Nf3 g5 28.Bd5 Bh6 29.h4 (29.Bb7 Qc7+–) 29...gh4 (29...g4 30.Bb7 Qc7 31.Nh2+–) 30.Bb7 (30.Nh4?! Nd5 31.cd5 Nc7=) 30...Qd7 31.Nh4 Ng4 32.Bd5 Rg7 33.d4 Nc7 (33...cd4 34.Nf5 Double attack (34.Nf5 Decoy); 33...ed4 34.Nf5 Double attack (34.Nf5 Decoy)) 34.Bc6 Qf7?? (better 34...Qe6!?+–) 35.dc5 (35.Nf5 Kg8 36.Ng7 Qg7 37.de5 de5+–) 35...dc5?! (35...Ne3 36.fe3 Rg3 37.Kf2 Rg4 38.cd6 Rc4 39.Qf5 Qf5 40.Nf5 Nb5 41.Bb5 Rf5 42.Ke1 Rb4+–) 36.Rd1 (better 36.Nf5 Kg8 37.Ng7 Qg7 38.Ra3+–) 36...Qe6+– 37.Red2 (better 37.Bg2+–) 37...Rff7?? (37...Ne3 38.fe3 Be3 39.Kh2 Bd2 40.Rd2 Re7+–) 38.Rd6+– Qc8 39.Rd8 (39.Nf5 Qf5 40.Be4 Rg5+–) 39...Qe6 40.R1d6 Qe7 (40...Bg5 41.Re6 Bd8 42.Re5 Ne5 43.Be5 Bh4 44.Bg7 Kg7 45.gh4 f4+–) 41.Nf5 Rf5 42.Qf5 (42.Qf5 Rg6 43.Qg6) 1–0. Vallejos,Jose Antonio – Vieirai,EV Duar, 3rd Etapa Circuito IRT LXSBC, 2014.

8.a3 Ne7 9.Nbd2 c6 10.c4 Nd7 11.d4 f5 12.Ng5 Nf6 (12...Nb6 13.de5 de5 14.a4=) 13.de5+= de5 (better is 13...Ng4!?+=) 14.Be5+/– h6 15.Ngf3 Nh5 16.Bg7 Kg7 17.Qc2 f4 18.Rad1 fg3 19.hg3 Qc7 20.Qc3 Kh7 21.Qe5 Qd7?? (better is 21...Qe5 22.Ne5 Nf6+–) 22.Ne4 Qe6 23.Nd6 Qe5 24.Ne5 Rb8?! 25.Nc8 Rfc8 26.Rd7 Re8 27.Be4 Kg8 28.Ng6 Ng6 29.Bg6 Re5 30.f4 Nf6 31.Rd6 Re2 32.Rf6 Rd8 33.Bh5 Re3 34.Kh2 Rd2 35.Kh3 Rdd3 36.Rg1 Ra3 37.Rf7 b5 38.Rc7 bc4 39.Bf7 Kf8 40.Bc4 Rac3 41.Ba6 Re4 42.Rd1 Ke8 43.Bb7 Rec4 44.Rdd7 c5 45.Rh7 Kd8 46.Rc8 1–0. Lim,Mark (1895) – Henbest,Kevin B (1795), BCF–chT3, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6)

8.a3 Re8 9.Nc3 Be6 10.e4 a6 11.Re1 Nh5 12.Nd5 Nf6 13.Nf6 Bf6 14.c3 Bg7 15.Ng5?? (15.Bc1 h6=) 15...Bd7 (15...Qg5 16.Bc1 Qf6 17.Be3–+) 16.Qb3?? (16.Bc1 h6 17.Nf3 Qf6=) 16...Be6 (better 16...Qg5 17.Bc1 Qf6–+) 17.Ne6+= Re6 18.Bh3 Re8 19.Rad1 Qe7 20.Kg2 Rad8 21.Bc1 Qf8 (21...Bf6 22.Rf1+=) 22.Be3 Kh8 23.d4 (23.b5 Nb8+–) 23...f5 (23...ed4 24.Bd4 Nd4 25.cd4+=) 24.ef5+= gf5 25.Qc2 (25.d5 Ne7+=) 25...Ne7 (25...f4 26.gf4 ed4 27.cd4 Bd4 28.Bd4 (28.Rd4? Qg7 29.Kh1 Nd4–+) 28...Nd4 29.Qc7 Qf4 A) 30.Qb7?? Rg8 31.Kf1 Rdf8–+ (31...Qh2?! 32.Rd4 Rg1 33.Ke2 Re8 34.Re4 Re1 35.Ke1 Qh1 36.Kd2 Qe4 37.Qe4 Re4 38.Bf1–/+); B) 30.Re3=) 26.c4 (26.de5 Be5 27.f4 Bg7+–) 26...e4 (26...f4 27.Bd2=) 27.Bg5 Bf6 28.Be3 Bg7 29.d5 Ng6 30.Bd4?? (better 30.Bg5 Bf6 31.Bd2+=) 30...Bd4–+ 31.Rd4 Ne5?? (better 31...Qg7–+) 32.Qc3 Kg8 33.Rd2? (better 33.Re3!?=) 33...Nf3–/+ 34.Re3 Nd2 35.Qd2 Qf7 36.f4 (36.f3!? Qh5 37.fe4 Re4 38.Re4 fe4 39.Be6 Kg7 40.Qd4 Qe5 41.Qe5 de5 42.Bf5–/+) 36...Qf6 37.g4 Rd7 38.g5 Qg6 39.Kh1 Rdd8 40.Bg2 Rd7 41.h4?? (41.Bh3 Rg7 42.Qd4–+) 41...Kf7 42.Rh3 Rde7 43.h5 Qg7 44.Bf1 (better 44.Re3–+) 44...e3 45.g6 (45.Qe2 Qa1–+) 45...hg6 46.hg6 (46.Qe2–+) 46...Qg6 47.Qe2 Rg8 48.Qh2 Ke8 (48...e2 49.Be2 Re2 50.Rh7 Kf8 51.Qh6 Qh6 52.Rh6–+) 49.Be2 (49.Rh5 Qf6 50.Qe2 Rg4–+) 49...Kd7 (better 49...Qg7 50.Rf3 Qa1 51.Rf1 Qh8 52.Bh5 Kd7 53.Be8 Ree8 54.Rb1 Qh2 55.Kh2 Rg7 56.Re1 Rh8) 50.Bh5 (50.Rh5 Reg7 51.Rg5–+) 50...Qg7 51.Be2 (51.Qg3 e2 52.Kg2 e1Q 53.Be8 Ree8 54.Qg7 Rg7 55.Rg3 Rg3 56.Kh2 Re2) 51...b6 (51...Qa1 52.Bf1 Qf1 53.Qg1 Qg1) 52.Rh7 (52.Rf3 Qc3 53.c5–+) 52...Qh7 (52...Qa1 53.Bf1 Qf1 54.Qg1 Qg1) 53.Bh5 (53.Bf1 e2 54.Be2 Qh2 55.Kh2 Rh7 56.Bh5 Rh5) 53...e2 54.Be2 (54.a4 e1Q 55.Qg1 Qg1) 54...Qh2 55.Kh2 Rh7 56.Bh5 Rh5 0–1. ffrancis – sturgav, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 Nc6)

8.a3 Ne8 9.e4 f5 10.Nbd2 f4 11.b5 Nb8 12.d4 g5 13.h3 Nd7 14.de5+= Ne5 15.Ne5 de5 16.Nc4 Qe7 17.Ne5 fg3 18.fg3+= Rf1 19.Bf1 Nd6 20.Nc4 Bb2= 21.Nb2 Qe4 22.Nc4 Be6 23.Nd6 cd6 24.Bg2 Qe3 25.Kh2 Qb6 26.Qe2+= Bf7 27.Rf1 Re8 28.Qd3 Re5 29.a4 Qc7 30.Rf5 Bg6 31.Qb3 Bf7 32.Qf3 Rf5 33.Qf5+/– Bg6 34.Qd5 Kg7 35.Qb7 Qb7 36.Bb7 Bc2 37.a5 Kf6?? 38.b6 ab6 39.a6 b5 40.a7 b4 41.a8Q b3 42.Be4 Ke5 43.Qd5 (43.Qd5 Kf6 44.Qf5 Ke7 45.Qg5 Kd7 46.Qf5 Kd8 47.Qf6 Kc7 48.Qe7 Kb6 49.Qd6 Kb5 50.Bc2 bc2 51.Qd3 Kb4 52.Qc2+–) 1–0. Fluvia,J (2270) – Simoes,John, Open Lisbon POR, 2001.

8.a3 Bg4 9.c4 =.

8.a3 Bg4 9.Nfd2 Qd7 10.Re1 Bh3 11.Bh1 Nd8 12.Nf3 Ne6 13.e4 a5 14.c3 Ng4 15.d4 ab4 16.cb4 ed4 17.Nd4 (17.Bd4? Nd4 18.Nd4 c5 19.bc5 dc5–+) 17...c5 18.bc5 Rad8 19.Ne6 fe6 20.Bg7 Rf2 (better is 20...Qg7 21.Ra2 dc5+=) 21.Qd6?? (21.Bh6 Qb5 22.Qc1+= (22.cd6?? Rf1 23.Rf1 Qb6 24.Qd4 Qd4 25.Be3 Qe3 26.Rf2 Qf2)) 21...Qf7–+ 22.Qd8 Kg7 (22...Kg7 23.Qd4 e5–+) 0–1. Briceno Ochoa,Jose Antonio – Souza,Sergio Luiz, IECG, 2004.

8.a3 h6 9.Nbd2 Be6 10.e4 (10.c4 a6=) 10...Qd7 11.d4 ed4 12.Nd4 Nd4 13.Bd4 Bh3 (13...c5 14.Bb2=) 14.Bh3 Qh3 15.Bf6 Bf6 16.Rb1 Qe6 17.Qf3 Be5 18.Qe3 Bg7 19.Rb3 Rfe8 20.Qd3 Re7 21.f4 f5 22.ef5 Qf5 23.Nf3 Qd3 24.Rd3 Rae8 25.Rf2 Bf6 26.Kg2 Re3 27.Kf1 Bb2 28.a4 Bc3 29.b5 Rd3 30.cd3 Re3 31.Nh4 Kf7 32.Rc2 Ba5–/+ 33.d4 Rd3 34.f5 g5–+ 35.Ng6 Rd4 36.h3 Ra4 37.Re2 Ra1?? 38.Kg2? Re1–+ 39.Rc2 Bb6 40.h4?! gh4 41.Nh4 Rb1 42.Re2 Rb5 43.Re6 Rf5! 44.Rh6 Rc5 45.g4 Kg7 46.Re6 Re5 47.Nf5 Kf7 48.Rh6 a5 49.Kf3 a4 50.Kf4 a3 51.Rh7 Kg8 52.Rh3 a2 (52...a2 53.Rh1 Ra5–+) 0–1. Derisbourg,Denis (2055) – Boudrenghien,Francois (2040), FRA–chT3 Gr8, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6)

8.a3 h6 9.e4 Bg4 10.Nbd2 Qd7 11.Re1 a6 12.Nc4 Rfe8 13.Ne3 Bh3 14.Bh1 Rad8 15.c4 Nh5 16.Nh4 Kh7 17.Nd5 Nd4 18.Bd4 ed4 19.Bf3 Nf6 20.Ng2 (20.Nf4 Bg4=) 20...Nd5 21.cd5 Bg2 22.Kg2 c6 (22...h5 23.Rc1=) 23.dc6 bc6 24.Qa4 Qb7 25.Rac1 Rc8 26.Rc2 Qb5 27.Qb3 a5 28.Rec1 (worse 28.Qf7 Qd3 29.Qa2 Rf8=) 28...Re7 29.Rc4 a4 30.Qc2 Rec7 31.Bd1 (31.e5 de5 32.Bc6 Qb6+-) 31...h5 (better 31...Ra7!?+=) 32.Qa4+- Qa4 33.Ba4 c5 34.bc5 (34.Bd1 Bh6 35.f4 g5 36.fg5 Bg5+-) 34...dc5 35.Bb5 Bh6 36.R1c2 Ra7 (36...Bf8!?+-) 37.a4 Rac7 38.Ra2 Rb8 39.Rcc2 Bf8 40.Bc4 Rb4 41.a5 Bd6 (41...Ra7 42.a6 Kg7 43.e5+-) 42.a6 Ra7 43.f4 (43.Bf7!? Rb6 44.Bc4 g5+-) 43...f6 44.Re2 White prepares the advance e5 44...Kg7 (44...Be7 45.e5 f5 46.Kf3+-) 45.e5 fe5 (45...Be7 46.ef6 Bf6 47.Re6+-) 46.fe5 Be7 (46...Bc7 47.Kf3+-) 47.Rf2 Bg5 (47...Kh6 48.Rf7 Rb8 49.e6+-) 48.Rf3 (better 48.Rf7 Rf7 49.Bf7 Rb8+- (49...Kf7 50.a7 Rb3 51.a8Q Rd3 52.e6 Kf6 53.Qd8 Ke5 54.Qg5 Ke4 55.e7 Rd2 56.Rd2 d3 57.Qc5 g5 58.e8Q)) 48...Be3 (48...Rb8+-) 49.e6 Rb8 (49...Kh6 50.Rf7 Ra6 51.Ba6+-) 50.Rf7 Rf7 51.ef7 1-0. Vishnu,P (2515) - Dubrovin,R (2220), World Blitz, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6)

8.b5 Nb8 9.Nbd2 c6 10.bc6 Nc6 11.c4 a5 12.Ba3 Nb4 (12...Re8 13.Rb1=) 13.Qb3 Nc6 14.Ng5 (14.Ne4 Ne4 15.de4+=) 14...Nd7? (14...Nd4 15.Qd1 Bg4=) 15.Bd6?? (better 15.Nge4+/-) 15...Qg5 16.Bf8 Bf8 17.Nf3 Qd8 18.Rfd1 Nd4 19.Nd4 ed4 20.Bb7?? (better 20.Qb2=+) 20...Rb8-+ 21.Rab1 (21.Bc8 Rb3 (21...Rc8?! 22.Qb7=; 21...Qc8?! 22.Qc2=) 22.ab3 Qc8 23.Ra5 Qe8-+) 21...Rb7 22.Qa3 0-1. monsoon - dododa (1735), Rated Bullet game, lichess.org, 2014.

8.Nc3 Nb4–/+ 9.a3 Nc6 10.e4 Bg4 11.Qe2 Nd4–+ 12.Qd1 Nd7 13.h3 Nf3 14.Bf3 Bh3 15.Bg2 Bg2 16.Kg2 f5 17.ef5 gf5 18.Nd5 c6 19.Ne3 Qg5 20.Qe2 Qg6 21.Rh1 f4 22.Ng4 f3 (22...f3 23.Qf3 Rf3 24.Nh6 Bh6 25.Kf3 Rf8 26.Kg2 Qf7–+) 0–1. gbsrao (2115) – materialkiller (2145), net–chess.com, 2008.

8.Nbd2 h6 9.c4 (9.a3 Be6=) 9...Be6 (9...Nb4 10.Rb1–/+) 10.Rc1 (better is 10.a3!?=) 10...Nb4–/+ 11.a3 Nc6 12.Ne4 Qd7 13.Nf6–/+ Bf6 14.Re1 d5 15.cd5+= Bd5 16.e4 Be6 17.Rc5 Qd6–/+ 18.Qc2 Rfd8 19.Rd1? Rac8 20.Rb5 b6 21.Rc1 Nd4 22.Nd4 ed4 23.Qa4? Bd7 24.Qb3 Bb5 25.Qb5 c5 26.Re1 Qd7 27.Qc4? b5–+ 28.Qc1 Kh7 29.e5 Bg5 30.f4 Be7 31.Qd1 c4 32.dc4 bc4 33.Re4 c3 (33...c3 34.Qa1 cb2 35.Qb2 d3–+) 0–1. gbsrao (2165) – maaac (2320), net–chess.com, 2007.

10.ef5 gf5 11.Ne5 Be5 12.Be5 de5 13.Qh5 +/–.

10.ef5 Bf5 11.b5 Ne7 12.d4 ed4 (12...Qd7 13.Nc3 e4 14.Nh4=) 13.Bd4 Qd7 14.Bg7 Ng7 15.Re1 Rae8 16.Nc3 c6 17.Nd4 Bh3 (17...d5 18.bc6 bc6 19.Re7 Qe7 20.Nc6=) 18.bc6+= bc6 19.Nc6 Nc6 20.Re8 Re8 21.Bh3 (better is 21.Qd5!? Be6 22.Qc6 Qc6 23.Bc6=) 21...Qh3= 22.Qd5 Qe6 23.Qc6 Rc8 24.Qf3 Qe5 25.Qd5 Qd5 26.Nd5 Rc2 27.Rb1 Ne6 (27...Ra2 28.Rb8 Kf7 29.Rb7 Ke6 30.Nf4 Kf6 31.Ra7+=) 28.Rb8 Kg7 29.Rb7 Kf8 30.Ra7 Ng5 31.Nf4 Ne4 (better is 31...Kg8!?+/–) 32.Rh7+– Nf2 33.Ng6 Kg8 34.Rh4 Kg7 35.Nf4 Ra2 36.a4! Nd1 37.Nh5 Kg6 38.Rd4 Ne3 39.Nf4 Kf5 40.Nd3 Ra1+/– 41.Kf2 Ng4 42.Kf3 Nh2 43.Kg2 Ng4 44.Rf4 Kg5 45.Nf2 Nf2 46.Kf2 Ra2 47.Kf3 Ra3 48.Kg2 Ra2 49.Kh3 d5 50.Rb4 Ra3 51.Kg2 Kf5 52.Kf2 Ke5 53.g4 d4 54.g5 Kf5 55.Rb5 Kg6 56.a5+– Kh5 57.Ke2 Kg6 58.Kd2 Kh5 59.Rd5 d3 60.Rb5 Kg6 61.Rb6?? Kg5= 62.Ra6 Kf5 63.Ra8 Ke6 64.a6 Kd7 ½–½. Hepting,Heinrich (2185) – Reichel,Alfred (2215), Bayern–chB Fuerth, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6)

10.ef5 Bf5 11.d4 Bf6 =.

10.ef5 Rf5 11.b5 Ne7 12.Nc3 =.

10.ef5 Rf5 11.g4 e4 A) worse is 12.gf5 Bb2 13.Ra2 ef3 14.Qf3 Be5–/+; B) 12.gh5?? ef3 (12...Bb2?! 13.de4 Rh5 14.Ra2–/+) 13.Bf3 Bb2–+; C) 12.de4 Bb2 C1) worse is 13.gh5 Rf3 (worse is 13...Ba1 14.ef5 gf5 15.Re1=) 14.Ra2 Be5 15.Qf3 Be6+=; C2) 13.Ra2+=.

10.Nh4 fe4 11.b5 Nd4 12.c3 –/+.

10.Nh4 Nf4 11.Nd2 (11.Nf5 Ng2 12.Ng7 Nh4 (worse is 12...Kg7 13.Kg2 Be6 14.f4+/–) 13.gh4 Bh3+=) 11...Ng2 12.Ng2 f4 (12...fe4 13.de4 a5 14.b5+=) 13.f3 (13.b5!? Nb8 14.gf4=) 13...Bh3 14.Rf2 g5 15.b5 Ne7 16.c3 h5 (16...Be6 17.d4–/+) 17.d4 Ng6 18.Nc4 (18.Qb3 Kh7=) 18...ed4 (18...fg3 19.hg3 h4 20.Kh2 hg3 21.Kg3–/+) 19.cd4+= d5 20.Nd2 Rf7 21.Qb3 Qd7 22.ed5 Rd8 23.Ne4 Qd5–/+ 24.Qd5 Rd5 25.a4 Nf8 26.Re1 Ne6 27.Nc3 Rd4 28.g4 Nc5 29.Re8 Kh7 30.Ne1 Nd3 31.Ne4 Re4 (31...Re4 32.fe4 A) 32...Nb2?! 33.Nf3 Kh6 34.Re6 Rf6 35.Rf6 Bf6 36.e5–+; B) 32...Bb2?! 33.Nd3 Bd4 B1) 34.gh5? Rd7 (34...Bf2?! 35.Nf2 Bd7 36.Ra8=) 35.Kh1 Bb6–+; B2) 34.Ne5+=; C) 32...Ne1 33.Bg7 Kg7–+) 0–1. Cernea,Radu (2125) – Navrotescu,Catalin (2425), Centrocoop Sept op, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nc6)

9.a4 a6 10.Nbd2 ab5 11.ab5 Ra1 12.Qa1 Bd7 (12...Qd7 13.c4+=) 13.c4+= Ne8 (13...Re8 14.Qa7 Qc8 15.Ra1+=) 14.Nb3 (14.d4 ed4 15.Bd4 f6+/-) 14...f5 15.Nfd2 c6 16.bc6 (16.c5 Be6+=) 16...bc6 (16...Bc6!? 17.Nf3 Nc7=) 17.c5+/- Qb8 (17...Be6 18.Na5+/-) 18.cd6 Qd6 19.Ba3 Qf6 20.Nc5 Bc8 21.Qa2 (21.Bb2 Qd6 22.Rc1 f4+/-) 21...Kh8+= 22.Rb1 Nc7 23.Rb8 Ncd5 (23...Nb5 24.Bb4+=) 24.Nc4 Be6? (better 24...e4!?+=) 25.Rf8+- Bf8 26.Ne6 (26.Qa1!? Bc8+-) 26...Qe6 27.e4 (27.Bb2!?+-) 27...fe4+/- 28.de4 (28.Be4 Bg7+/-) 28...Nc3+= 29.Qb3 Ne2 30.Kf1 (30.Kh1 Nd4 31.Qb8 Qc4 32.Qf8 Ng8+/-) 30...Nd4 31.Qd3 Bg7 32.Nd6 (32.Bc5 g5+=) 32...Qa2 33.Bh3 Nc2 34.Nf7 Qf7 (better 34...Kg8!? 35.Qd8 Bf8 36.Nh6 Kg7 37.Nf5 gf5 38.Be7 Qb1 39.Kg2 Ne1 40.Kg1 Nf3 41.Kg2 Ne1 42.Kg1 Nf3 43.Kg2 Ne1=) 35.Qc2+/- h6 36.Be7 Qe7 37.Qc6 Qg5 38.Be6 h5 39.h4 Qf6 40.Qe8 Kh7 41.Bd5 Qf8 42.Qe6 Qf3 43.Qg8 Kh6 44.Kg1 Qd1 45.Kg2 Qg4 46.Qf7 Qc8 47.Be6 (better 47.Qe7!?+-) 47...Qc6+= 48.Bd5 Qf6 (48...Qc8 49.Qe7 Qa6+-) 49.Qa7 Qd6 50.Qe3 Kh7 51.Qg5?? (51.f3 Bf6+/-) 51...Qf6 (better 51...Bh6 52.Qh6 Kh6-+) 52.Qf6 (52.Qc1!? Qd6+-) 52...Bf6 53.Kf3 g5 54.Kg2 (better 54.hg5!? Bg5 55.Bf7+/-) 54...gh4= 55.gh4 Bh4 56.f3 (56.Bf7!?=) 56...Bg5 57.Kh3 Bf4 58.Kg2 Kh6 59.Kh3 Kg5 60.Kg2 Kh4 61.Bc6 Bg5 62.Bd5 Bf6 63.Be6 Kg5 64.Bd5 h4 65.Be6 Kf4 66.Bh3 Be7 67.Bg4 Bd6 68.Bh3 Ke3 69.Bg4 Be7 70.Bh3 Kd2 71.Bg4 Bg5 72.Bh3 Ke2 73.Bg4 Ke1 74.Bh3 Kd2 75.Bg4 Kc3 76.Bh3 Kb4 (76...Kd4 77.Bf5-/+) 77.Bg4=+ Kb5 78.Bh3 Kb6 79.Bg4 h3 (79...Bf4 80.Bh5-/+) 80.Bh3 Kc5 81.Bg4 Kd4 82.Bh3 Bf4 83.Bg4 Bg3?? (83...Bg5 84.Be6=) 84.Bh3 Ke3?? (84...Bf4 85.Kf2=) 85.Bg4 (better 85.Kg3 Kd3 86.Kg4+-) 85...Bf4 86.Bh3 Bg5 87.Bg4 Bf4 88.Bh3 Bg5 89.Bg4 Bf4 ½-½. Cox,Tr (2140) - Royal,Shreyas (2120), Checkmate Covid Rematch, 2021. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.a4 Bd7 10.c4 Qc8 11.Re1 Nh5 12.Nbd2 f5 13.c5 Be6 14.cd6 cd6 15.Ng5 Rb8 16.Ba3 Qd7 17.Nc4 Bc4 18.dc4 Rbd8? (better is 18...e4 19.Bd6 Ba1 20.Bb8 Qd1 21.Rd1 Rb8 22.Ra1 h6+/–) 19.Bd5+– Nd5 20.Qd5 (20.cd5?! e4 21.Rc1 Rc8=) 20...Kh8 21.Ne6 Nf6 22.Nf8 Bf8 23.Qd3 Ne4 24.f3 Ng5 25.Red1 Nf7 26.c5! Qe6 27.cd6 Bd6 28.Qd5 Qe7 29.Bd6 Rd6 30.Qc4 Kg7 31.a5 Qd7 32.Rd6 Qd6 33.a6 b6 34.Kf1 Qd2 35.Qd3 Qb4 36.Rc1 1–0. Spiridonov,Nikola – Bouaziz,Nejib, WchT U26, 1965.

9.a4 Nd7 10.Nbd2 f5 11.c4 Nf6 Black prepares e4 (11...a6 12.Ng5 Nc5 13.Nb3=) 12.Qc2 h6 13.Rfe1 g5 (better 13...a6=) 14.d4?? (better 14.c5=) 14...e4–+ 15.Ng5 (15.e3 ef3 16.Nf3 g4–+) 15...hg5 16.d5 Nh7 (16...Qe8!? 17.a5–+) 17.Bg7 Kg7 18.Ne4? (better 18.f3–+) 18...fe4 19.Be4 Bf5 (19...Nf6 20.a5–+) 20.Bf5 (20.Qc3 Kg8 21.Bf5 Nf5–+) 20...Nf5 21.e4 (21.a5 Qf6 22.Qd3 g4–+) 21...Nd4 22.Qc3 Qf6 23.Rf1 (23.Kh1 Nf3 24.Re3 Qc3 25.Rc3–+) 23…Ne2 (23...Ne2 24.Kg2 Qc3–+) 0–1. JUANKARODA (1790) – aguila48 (1730), lichess.org, 2020.

9.a4 Nd7 10.Nfd2 Nc5 11.c4 Rb8 (11...Bg4 12.Ne4 Ne4 13.de4=) 12.a5 Bg4 13.Ne4 Ne4 14.Be4 (14.de4 a6+=) 14...f5 (14...c6 15.Nc3=) 15.Bg2+= f4 16.Nd2 (16.a6 b6+=) 16...Qd7 (16...c6 17.a6=) 17.Ne4 Bh3 18.d4 (18.Bh3 Qh3 19.b6 Rf5 20.bc7 Rc8+/–) 18...Bg2= 19.Kg2 Rbd8 (19...ed4 20.Bd4 Bd4 21.Qd4=) 20.de5+= Qf5 (worse is 20...Be5 21.Be5 de5 22.Qd7 Rd7 23.Rfd1 Rd1 24.Rd1 fg3 25.hg3+/–) 21.f3 (21.Nf6 Kh8 22.Qb1 de5 23.Qf5 Nf5+=) 21...Be5 22.g4 Qe6 23.Qc2 Kg7 (23...h5 24.h3=) 24.Ng5 (24.Rfd1!?+=) 24...Qf6= 25.Ne4 Qe6 26.Rad1 (26.Rfd1 h6+=) 26...b6 27.Rd3 h5 28.h3 (28.Ng5 Qf6 29.Be5 de5+=) 28...hg4= 29.hg4 Rh8 (worse is 29...ba5 30.Ra1 a6 31.Ra5 ab5 32.Rb5+/–) 30.Be5 Qe5 (worse is 30...de5 31.ab6 ab6 32.Rd8 Rd8 33.Rh1+/–) 31.Qc3 Qc3 32.Nc3 g5 33.Ne4 Kg6 34.Ra1 Rh7 35.Rh1 Rh1 36.Kh1 Re8 37.Kg2 Ng8 (37...Rf8 38.a6=) 38.c5+= bc5 39.b6 ab6 40.ab6 c4 41.Rd4 cb6 42.Rd6 (42.Rc4?! Nf6 43.Kf2 Ne4 44.fe4 b5=) 42...Kg7 43.Rb6 Rc8 (43...Ne7 44.Rb5 (worse is 44.Ng5 Nd5 45.Rd6 Re2 46.Kg1 Re5 47.Rd7 Kf6 48.Ne4 Ke6 49.Nc5 Kf6=) 44...Ng6 45.Rc5+/–) 44.Rb5 (44.Ng5 c3 45.Ne6 Kf7 46.Nf4 c2 47.Rb7 Kf6+–) 44...c3 (44...Ne7 45.Rg5 Ng6 46.Nc3+/–) 45.Rg5+= Kf8? (45...Kh6 46.Rh5 Kg6+–) 46.Rc5+– Rc5 47.Nc5 Ke7 48.Nd3 c2? (better is 48...Kd6+–) 49.Kf2 Nf6 (49...Kd6 50.Ke1 Kd5 51.Kd2+–) 50.Ke1 Nd5 51.Kd2 Kf6 52.Kc2 Kg5 53.Kb3 Ne3 54.Kc3 Nf1 55.Kd4 Ng3 56.Nc1 Kf6 (56...Kh6 57.Kd3+–) 57.Kd5 1–0. Hepting,Heinrich (2150) – Weinmann,Stefan (1945), 3rd Mittelfranken–ch HT, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bb2 Bg7 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.a4 Bg4 10.h3 Be6 11.c4 h6 12.Qc2 Qd7 13.Kh2 c6 14.Nc3 Rfc8 15.e3 Re8 16.Rfb1 Rac8 17.e4 Qc7 18.a5 Nd7 19.Ba3 a6 20.b6 Qb8 21.Re1 Rcd8 22.Nd2 f5 23.Kg1 Nf6 24.Bb2 Rf8 25.Ne2 fe4 26.de4 c5 27.Rf1 Qc8 28.g4 Nc6 29.f4 Nd4 30.Nd4 cd4 31.f5 Bf7 (31...Bf7 32.Qd3 gf5 33.gf5 Qc6=). Grollet,Christian – Vasquez,Fernando, FICGS, 2006.

9.a4 Nh5 10.e4 (10.Nbd2 Nf6=) 10...a6 11.Nc3 f5 12.ef5 Nf5 (worse is 12...Rf5 13.g4 Rf3 14.Qf3+/–; 12...Bf5?! 13.Nd2 Qc8 14.Qe2=) 13.g4 Nh4 14.gh5 (better is 14.Nh4 Nf4 15.Ng6 hg6 16.Bf3=) 14...Ng2 15.Kg2 (15.hg6 Bg4 16.gh7 Kh8 17.Ne5 Bd1 18.Ng6 Kh7 19.Nf8 Qf8 20.Rfd1–+) 15...Bg4 16.hg6 (16.Ne4 Bf3 (16...Rf3?! 17.hg6 Rf2 18.Rf2 Bd1 19.gh7 Kh7 20.Rd1–+) 17.Qf3 Rf3 18.Kf3 d5–+ (18...gh5?! 19.Ke2–+)) 16...Qf6 (16...Bf3?! 17.Qf3 Rf3 18.gh7 Kh7 19.Kf3–/+; 16...Rf3?! 17.gh7 Kh7 18.Qe1+=) 17.gh7 Kh8 18.Kg1 (18.Nd2 Bd1 19.Rad1–+) 18…Bf3 (18...Bf3 19.Ne4 Qg6 (19...Bd1?! 20.Nf6 Bc2 21.Nd5–/+) 20.Ng3 Bd1 21.Rfd1 Kh7–+) 0–1. gbsrao (2675) – gmofredes (2435), net–chess.com, 2009.

9.a4 h6 10.Ba3 Be6 11.Nbd2 c6 12.Rb1 Nh5 13.Ne4 d5 14.Nc5+= Bc8 15.bc6 bc6 16.c4 Bg4 17.Qd2 dc4 18.dc4 Qd2 19.Nd2 Be2 20.Rfe1+/– Bg4 21.Rb7 Rfe8 22.h3 Bc8 23.Rc7 f5 24.Nd3 e4 25.Be7 ed3? 26.Bc6 Ba6 27.Bd5 (27.Bd5 Kh7 28.Ba8 Ra8 29.g4+–) 1–0. gbsrao (2295) – gtan (2235), net–chess.com, 2008.

9.c4 Rb8 10.Nc3 c6 11.Qb3 Be6 12.Ng5 Bd7 13.Qa3 cb5 (13...Nc8 14.Qb4 cb5 15.Nb5=) 14.Nb5+= a6? (better is 14...Bb5!? 15.cb5 h6+=) 15.Nd6+– Bc6 (15...Nc6+–) 16.Be5 Bg2 17.Kg2 h6 (17...Ne8 18.Bg7 Ng7 19.Rab1+–) 18.Ngf7 Rf7 19.Nf7 Kf7 20.Bb8 Qb8 21.Rab1 1–0. pierre – tejme, internet, 2009.

9.c4 Rb8 10.Nbd2 c5 11.Ne1 (11.Ng5 Bd7+=) 11...Ng4 12.h3 Nh6 (12...Nf6 13.Nef3=) 13.Nc2 (13.Nef3 Nhf5 14.Ne4 Qc7+=) 13...f5 14.Ne3 Be6 15.Nb1 (better 15.Nd5!?=) 15...f4–/+ 16.Nd5 fg3 17.fg3 Nhf5 18.g4? (better 18.Nbc3 Ng3 19.Rf8 Qf8 20.Qd2–/+) 18...Nh4?? (better 18...Bd5 19.cd5 Ne3 20.Rf8 Qf8–+) 19.Nbc3 (19.Rf8 Kf8 20.Qf1 Kg8=) 19...Ng2=+ 20.Kg2 Nd5 (20...Rf1 21.Qf1 Nd5 22.cd5–/+) 21.cd5 (21.Rf8 Bf8 22.Nd5 h5=+) 21...Bd7 22.Qd2 a6 (22...Qh4 23.Rf3–/+) 23.Rf8 Qf8 24.Rf1 Qd8 25.ba6 ba6 26.Ne4 Qe7 (26...Be8 27.Nc3=+) 27.Bc3= Rf8 28.Rf8 Qf8 29.Ba5 Bf6 30.Bc7 Be7 31.Qa5 h5 32.Qb6 d6 seems the pivot of the position 32...hg4 33.hg4 Qf4 34.g5?? (better 34.Bd6 Qg4 35.Kf1 Qf4 36.Kg2 Qg4 37.Ng3 Qh3 38.Kf2 Qh2 39.Kf3=) 34...Qg4–+ 35.Kf2?? Qh4 36.Kg2 Bh3 37.Kg1 (37.Kh2 Bf1 38.Kg1 Qh3 39.Qb8 Kg7 40.Qg8 Kg8 41.Nf6 Bf6 42.Kf2 Qg2 43.Ke3 Qe2) 37...Qg4 38.Kf2 Qf4 39.Ke1 Qc1 40.Kf2 Qf1 (40...Qf1 41.Kg3 Qg2 42.Kh4 Qg4) 0–1. Iminov,Bachtiar (1840) – Storkebaum,U (1825), 2nd Hersonissos Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3 Rb8)

9.c4 c5 10.bc6 Nc6 11.Nc3 h6 12.Nd2 Ne8 13.Nd5 (13.Rb1 Nf6+=) 13...Be6 (13...Nc7 14.Ne3=) 14.Rb1+= Rc8 15.Qa4 Bd7 (15...Nc7 16.f4=) 16.Qa3 b6 17.Ne4 Be6 18.Nec3 f5 19.Nb5 Rf7 20.Bc3 g5 (20...f4 21.Be4 Kh7 22.e3+=) 21.Nb4 (21.e3 Bh8+/–) 21...Na5 (21...Nb4 22.Bb4 e4 23.Nd6 (worse is 23.Bd6 a6–/+; 23.Na7? Ra8–+) 23...Nd6 24.Bd6+=) 22.Nd5 Nc6 23.Nb4 (23.e3 Bh8+/–) 23...Na5+= 24.Nd5 (24.Qa4 Nf6+=) 24...e4 (24...Nc6!?=) 25.Bg7 Rg7 26.Nd4 Bd7 (26...Qd7 27.de4 Nc4 28.Qd3+/–) 27.Rfc1 Kh8 28.Qb4 (28.de4 Nc4 29.Qa7 b5+/–) 28...ed3 29.ed3 Nc6 30.Nc6 Bc6 31.Re1 Qd7 32.Re2 Bd5 33.Bd5 Nc7 34.Rbe1 Rf8 35.Qb2 Kh7 36.Qd4 Qd8 37.Bc6 Qf6 38.Qe3 Qc3 39.Qf3 Qf6 40.Bd5 Qd4 41.Bc6 g4 42.Qe3+= Qe3 43.Re3 Kg6 44.f4 gf3 45.Rf3 Rf6 46.Rfe3 h5 47.Re7 Rff7 48.Be8 Ne8= 49.Re8 f4 50.R8e6 Kh7 51.Rd6+= fg3 52.Ree6 gh2 53.Kh2 Rf2 54.Kh3 Rf3 55.Kh4 Rf4 56.Kh5 Rf5 57.Kh4 Rf4 58.Kh5 Rf5 59.Kh4 Rf4 ½–½. Pitra,Andika (2290) – Vajda,Levente (2630), 3rd Thailand op, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

9.c4 Bf5 10.Nh4 Bc8 11.Nd2 (11.Qd2 c6=) 11...Nd7 (11...Re8 12.Qc2=) 12.e4 (12.f4 c6=) 12...f5 (12...Nc5 13.Qc2=) 13.ef5 gf5 (13...g5 14.Nhf3 Nf5 15.Ne4=) 14.f4+= Ng6 (14...Nc5 15.Qc2+=) 15.Ng6 hg6 16.Bd5 (16.Qb3 Nc5 17.Qa3 ef4 18.Bg7 Kg7 19.Rf4 Re8+=) 16...Kh8 17.Qf3 (17.a4 c6 18.Bf3 a6+=) 17...c6 (17...Nb6 18.Bb7 e4 19.Bg7 Kg7 20.Be4 fe4 21.de4=) 18.bc6+= bc6 19.Bc6 Qb6 20.c5 (better 20.Rf2!? e4 21.Bg7 Kg7 22.Ne4 fe4 23.Be4=+) 20...Qb2-/+ 21.Ba8 Qd2 22.Rad1 (22.cd6 ef4 23.Rad1 Qe3 24.Kg2 Nb6 25.gf4 Qe6-/+) 22...Qb4 (22...Qa2 23.cd6 Qe6 24.fe5 Ne5 25.Qd5-/+) 23.cd6 Qd6 24.Rfe1 (24.Qd5!? Qb6 25.Kh1-/+) 24...Nb6-+ 25.fe5 Qd4 26.Kf1 (better 26.Qf2 Qf2 27.Kf2 Na8 28.d4-+) 26...Na8 27.e6 (27.Qf4 Qd5-+) 27...Nc7 28.e7 (28.Rc1 Qg4 29.Qg4 fg4 30.Ke2 Ne6-+) 28...Re8 29.Qc6 (29.Rc1 Qd7-+) 29...Qd5 (29...f4 30.Re4 Bh3 31.Ke2 Qb2 32.Rd2 Bg4 33.Ke1 Qa1 34.Kf2 Bd4 35.Rd4 Qd4 36.Kg2 f3 37.Qf3 Bf3 38.Kf3 Re7 39.Kg2 Qd5 40.Kf2 Rf7 41.Kg1 Qc5 42.Kg2 Qc6 43.Kg1 Qc1 44.Rd1 Qd1 45.Kg2 Qf1) 30.Rc1 (30.Qd5 Nd5 31.d4 Kg8-+) 30...Bb7 (better 30...Qd3 31.Kg1 Qd4 32.Kf1 Ba6 33.Kg2 Qd2 34.Kh1-+) 31.Qd5 Nd5 (worse 31...Bd5 32.Rc7 Kg8 33.Rd7+/-) 32.Re6 Bd4 (32...Ne7?! 33.Rc7 Bd5 34.Ree7 Re7 35.Re7=+) 33.Rg6 (33.Rb1 Bb6-+) 33...Re7 (33...Ne7?! 34.Re1-+) 34.Rb1 (34.Rd6 Kg7 35.Re1 Ne3 36.Re3 Be3-+ (36...Re3 37.Rd4 Ba6 38.Rd7 Kf6 39.Rd6 Re6 40.Re6 Ke6 41.Ke2-/+)) 34...Bb6 (34...Ne3 35.Ke2 Nc4 36.Kd1 Bf3 37.Kc2 Na3 38.Kb3 Nb1 39.Rd6 Rb7 40.Kc4-+) 35.Rb5 (35.Rd6-+) 35...Ne3 36.Ke2 Nd5 (better 36...Nc4! 37.Kd1 Bf3 38.Kc1 Re1 39.Kc2 Na3 40.Kc3 Nb5 41.Kc4 Nc7-+) 37.Kd2?? (37.Kf1 Rc7 38.Re6-+) 37...Be3 (37...Rh7 38.h4 f4 39.gf4 Rh4 40.Rd6 Rh2 41.Ke1 Bf2 42.Kd1 Nc3 43.Kc2 Nb5 44.Rd8 Kg7 45.Rd7 Kf6 46.Rb7 Bd4 47.Kb3 Rb2 48.Kc4 Na3 49.Kd4 Rb7 50.Ke4-+) 38.Kc2 Rc7 39.Kb3 (39.Kb2 Kh7 40.Re6 f4 41.gf4 Bc1 42.Ka1 Nf4-+) 39...Rc3 (39...a6 40.Ra6 Rc3 41.Ka4 Ba6 42.Rd5-+) 40.Kb2 Rc7 (better 40...Bd4 41.Kb1 Rc7 42.Ra5-+) 41.Rd6?? (41.Kb3 a6 42.Ra6 Rc3 43.Ka4 Ba6 44.Rd5-+) 41...Bd4 42.Kb3 Rc3 43.Ka4 Nb6 44.Kb4 Rd3 45.Rbb6 (45.Rd8 Kg7 46.Rb6 ab6 (46...Bb6?! 47.Rd3 Kf6 48.Rd2-/+) 47.Rd7 Kf6 48.Rb7 Bc5 49.Kc4 Ra3-+) 45...ab6 (45...Bb6?! 46.Rd3 Be4 47.Rd7=+) 46.Rd8 Kg7 47.Rd7 Kf6 (47...Kg6 48.Rb7 Bc5 49.Kc4-+) 48.Rb7 Bc5 49.Kc4 Ra3 50.Rh7 Ra2 51.h4 (51.Rh8 Bg1 52.Rf8 Ke6-+) 51...Ra4 52.Kd5 Rd4 53.Kc6 Rg4 54.Kd5 (54.Rh6 Ke5-+) 54...Rg3 55.Rh6 (55.Rh5 Rd3 56.Kc4 Rd4 57.Kc3 f4 58.Rh6 Kf5-+) 55...Kg7 56.Rh5 (56.Rc6 f4 57.Rc7 Kf6 58.Rc6 Kf5-+) 56...Kg6 (56...f4 57.Ke4 f3 58.Rc5 bc5 59.Ke3-+) 57.Rh8 Rd3 58.Ke6 Rd6 59.Ke7 (59.Ke5 Bd4 60.Kd6 Bh8-+) 59...Kg7 60.Ra8 Rh6 (60...f4 61.Ke8-+) 61.Kd7 Rh4 (61...f4!? 62.Ra1 f3 63.Rf1-+) 62.Ke6 f4 63.Kf5 (63.Ra7 Kg6 64.Rf7 Be3-+) 63...f3 64.Ra7 Kg8 65.Ra8 Kf7 66.Ra7 Ke8 67.Ke6 (67.Ra8 Ke7 68.Ra1 f2-+) 67...Rh6 68.Kd5 f2 69.Ra8 (69.Ra1 Rg6 70.Rf1 Rg1 71.Rf2 Bf2-+) 69...Kd7 (69...Ke7 70.Ra1-+) 70.Ra7 Kc8 71.Rf7 0-1. Jeric,Simon (2385) - Markun,Bostjan (2265), Bled SLO-chT, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3)

9.c4 Bg4 10.Nfd2 Qc8 (10...c6 A) 11.Nc3 d5 12.Rb1 d4 13.bc6 Nc6 14.Nce4=; B) 11.a4 a6 12.Nc3= (12.f3 Be6 13.e3 ab5 14.ab5-/+) 12...ab5 13.ab5 Ra1 14.Ba1=; C) 11.Na3 Re8 12.Rb1 Rc8 13.h3 Bd7 (13...Be6 14.Qa4=) 14.bc6=; 10...Bc8 11.Nc3 (11.a4 a6 12.Nc3 c6 13.e3 Bf5 14.Qc2=; 11.Qa4 Nd7 12.Qc2 a6 13.Nc3 ab5 14.cb5=) 11...a6 12.a4 c6 13.e3 Bf5 14.Qc2=) 11.c5 (11.Nc3 a6 12.a4 (12.Qb3= ab5 13.Qb5 c6 14.Qb4=; 12.Qc2 ab5 13.cb5 d5 14.f4=) 12...Bh3 13.e4 Nh5 14.a5= (14.Bh3=)) 11...Bh3 (11...Rd8 12.cd6= (12.Nc4 Bh3 13.Nbd2 Bg2 14.Kg2=) 12...cd6 13.a4 (13.Nc3 d5 14.Na4=) 13...Qd7 14.Nc4=) 12.cd6 cd6 13.Nc4 (13.e4 Bg2 14.Kg2=) 13...Bg2 14.Kg2 Qe6 15.Qb3 Nh5 (15...Nd7 16.f4=+) 16.e4= Rad8 17.Ne3 Qd7 18.Nc3 Nf4 19.gf4 ef4 20.Ned5 Qg4 21.Kh1 Qf3 ½-½. Keres,Paul - Zaitsev,Igor A, Riga SU-ch team, 1968. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3)

9.c4 Bg4 10.h3 Bd7 11.Nc3 Re8 12.a4 c6 13.Nd2 Qc7 14.a5 d5 15.a6 ba6 16.Ra6 Reb8 (16...Qc8 17.g4 h5 18.f4 cb5 19.cb5 hg4 20.hg4 Ng4 21.Qb3 Qc5 22.Kh1-+) 17.bc6 (17.Ba3!? Bf8 18.Qa1+=) 17...Bc6= 18.cd5 Nfd5 (worse 18...Bd5 19.Nd5 Nfd5 20.Nc4+/-) 19.Qa1 (19.Nd5 Bd5 20.Bd5 Nd5=) 19...Nb4=+ 20.Rc6 (20.Bc6!? Nec6 21.Ra4=+) 20...Nec6-/+ 21.Nc4 Rc8 22.Nb5 Qd7 23.f4 (23.Nbd6 Rf8=+) 23...Nc2 24.Qd1 (24.Qa4 N6d4 25.Bd4 Nd4 26.Ba8 Ra8 27.Nb6 Ne2 28.Kf2 Qd3 29.Na8 Ng3 30.Qd1 Ne4 31.Kg2 Qg3 32.Kh1 Qh3 33.Kg1-+) 24...N2d4 (24...Rab8 25.Nbd6 Ne3 26.Ne3 Qd6 27.Nc4 Qc5 28.Kh1 ef4 29.Bg7 Kg7 30.Qa1 Kg8 31.Rf4-/+) 25.Nd4 (better 25.Nbd6=) 25...ed4-/+ 26.Qa1 Rab8 27.e4 Nb4 28.Qd1 Na2 29.e5? (29.Qd2 Rb3 30.Na5 Rb5-/+) 29...Nc3?? (better 29...Rc4 30.dc4 Rb2-+) 30.Qd2 a5! 31.Na5? (better 31.Kh2!?-/+) 31...Qb5-+ 32.Bc3? (32.Nc4 Rc4 33.dc4 Qb2 34.Rf2-+) 32...dc3 (32...Rc3?! 33.Nc4=+) 33.Qa2 c2 34.Nc4 Qb1 35.Qa3 (35.Qa7 Qf1!! 36.Bf1 c1Q-+) 35...Bf8 36.Qc3 (36.Qa6 Bc5 37.Kh1 Qf1 38.Bf1-+) 36...Bb4 37.Qa1 Qa1 38.Ra1 Rc4! 39.dc4 Bd2 (39...Bd2 40.Be4 c1Q 41.Rc1 Bc1-+) 0-1. Grigoryan,K2 (2605) - Moussard,J (2605), chess24.com INT blitz, 2019.

9.c4 Ng4 10.h3 (10.Nc3 Bd7+=) 10...Nh6 (10...Nf6 11.Nc3+=) 11.Qc1 (11.Nc3 a6+=) 11...f5 (11...a6 12.a4+=) 12.e4 (12.Nc3 a6+=) 12...f4 (12...fe4 13.de4 Nf7 14.Nbd2=) 13.Nbd2 (13.Nc3 Nf7=) 13...Bd7 (13...fg3 14.fg3 Nf7 15.Kh2=) 14.d4 (14.a4 c5=) 14...Qc8 15.g4 (15.Kh2 ed4 16.Bd4 Bd4 17.Nd4 c5=) 15...Nf7 16.de5 (16.Rd1 h5 17.de5 de5 18.gh5 Bh3 19.hg6 Ng6=+) 16...de5 (worse 16...Ne5 17.Ne5 de5 18.Nf3+=) 17.Kh2 (17.Bc3 c5=) 17...g5 (17...c6 18.a4=+) 18.a4= Bg4? (better 18...Rd8=) 19.hg4+– h5 (19...Qg4 20.Rg1 Qh5 21.Bh3 a6+–) 20.gh5 g4 21.Nh4 f3 (21...Qe6+–) 22.Ndf3! gf3 23.Bh3 Qe8 (23...Bh6 24.Rg1 (24.Bc8?! Bc1 25.Rfc1 Nc8+–) 24...Kh7 25.Rg7 (25.Bc8?! Bc1 26.Rac1 Rac8+–) 25...Bg7 26.Bc8 Rac8 27.Qc3+–) 24.Rg1 Kh8 (24...Kh7 25.Nf5 Bf6 26.Ne7 Qe7 27.Ba3+–) 25.Be6 Bh6 (25...Rg8+–) 26.Bf7 (26.Qh6! Nh6 27.Be5 Kh7 28.Rg7 Kh8 29.Re7 Rf6 30.Bf6) 26...Bc1+– 27.Be5 (27.Be8?! Bb2 28.Ra2 Rae8 29.Rb2 Rf4+–) 27...Kh7 28.Be8 Bf4 29.Bf4 Rf4 30.Bg6 Ng6 (30...Kg7 31.Bf5 Kf6 32.Kg3 Rf5 33.ef5+–) 31.hg6 (31.hg6 Kg7 32.Nf5 Kf6 33.Rae1+–; 31.Rg6?! Rh4 32.Kg3 Re4+–) 1–0. Valenta,Vit (2085) – Pulpan,Matej (2090), 28. Czech Rapid G1, 2017.

9.c4 h5 10.Nbd2 Nh7 11.d4 f6 12.h4 Be6+= 13.Qc2 Qd7 14.Rfd1 Rad8 15.a4 Qe8 16.c5 Qf7 17.Rf1 Kh8 18.a5 g5 19.hg5 fg5 20.Qh7! Kh7 21.Ng5 Kg8 22.Nf7 Bf7 23.cd6 Rd6 24.Ba3 Rd4 25.Be7 Rd2 26.Bf8 Bf8 27.e3 b6 28.ab6 ab6 29.Bc6 Bd6 30.Rfd1 Rb2 31.Rab1 Rc2 32.Kg2 Kg7 33.Rh1 Bc5 34.Kg1 Kf6 35.Bf3 Kg5 36.Rh4 Bg6 37.Be4 Be4 38.Re4 Kf5 39.Rh4 Kg5 40.Ra4 Kf5 41.Ra7 Be7 42.Ra4 Bc5 43.Rh4 Kg5 44.Rb3 Be7 45.Kg2 Kg6 46.Rh2 Rc4 47.Rh1 h4 48.Kf3 hg3 49.fg3 e4 50.Kg4 Bd6 51.Rh8 Rc5 52.Rg8 Kf6 53.Kh3 Rh5 54.Kg4 Rd5 55.Kh3 Rh5 ½–½. Nannelli,P (2215) – Radice,L (2010), Open, Porto San Giorgio ITA, 2000.

9.Nbd2 Bd7 10.a4 Qc8 11.Re1 Ng4 12.c4 f6 13.Qb3 Kh8 14.d4 Rb8 15.Rad1 c5 16.e3 Qc7 17.Ne4 b6 18.de5 de5 19.Rd6 (19.h3!? Nh6 20.Rd3+=) 19...Bf5= 20.Red1 Rbd8 21.Rd8 Rd8 22.Nc3 Be6 23.h3 Nh6 24.e4 Rd1 25.Nd1 Qd7 26.Kh2 Nf7 27.Ne3 Nd6 28.g4 Nf7 29.Nd5 Nc8 30.Nd2 Bd5 31.ed5 Ncd6 32.Qd3 Bh6 33.Bc3 f5 34.Qe2 Kg8 35.f3 Bf4 36.Kg1 Qe7 37.a5 Qg5 38.Nf1 h5 39.ab6 ab6 40.Bd2 Kg7 41.Bf4 Qf4 42.Nd2 Qd4 43.Qf2 Kf6 44.Qd4 ed4 45.Kf2 hg4–+ 46.hg4 0–1. Kuehnmund,Ivan – Fiser,Jiri, CSR Amy–ch, 1966. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 d6 5.Nf3 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.Nbd2 Bd7 10.c4 Qc8 11.Re1 Bh3 12.Bh1 h6 13.c5 Ng4 14.Nc4 Qd7 15.Qb3 Kh7 (worse is 15...dc5 16.Nfe5 Ne5 17.Ne5 Be5 18.Be5+/–) 16.a4 f6 (worse is 16...dc5 17.Nfe5 Ne5 18.Ne5 Be5 19.Be5+/–) 17.cd6 cd6 18.Ba3 d5 19.Nd6 f5 20.e4 Rf6 21.Nb7 Qb7 22.ed5 e4 23.d6 Nc8 24.de4 fe4 25.Re4 Qb6 26.Ra2 Nd6 27.Re7 Nf5 28.a5 Qd8 29.Re1 Nd4 30.Nd4 Qd4 31.Bf3 Rc8 32.Rd1 Qc3 33.Bd5 Qb3 34.Bb3 Rc3 35.Rb1? Rf2! 36.Rf2 Bd4 37.Bb4 Bf2 38.Kh1 Ne3 1–0. Poley,Vladimir (2290) – Bjorntoft,Peter, Rilton Cup, 1991. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 e5 4.d3 g6 5.b4 Bg7 6.Bb2 0-0 7.0-0 Nc6 8.b5 Ne7)

9.Nbd2 Nh5 10.Ne1 Be6 (10...a6 11.a4=) 11.c4 Qc8 12.Nc2 Bh3 13.e4 Bg2 14.Kg2 Qd7 15.a4 c6 16.Qe2 Rfe8 17.Bc3 Rad8 18.Nb3 a6 19.ba6 ba6 20.Rfb1 Qa7 21.Qe3 Qe3 22.Ne3 f5 23.Nc2 fe4 24.de4 d5 25.Nc5+/– de4 26.Ne4 Nf5 27.Nb4 Nd4 28.Na6+– Nf6 29.Nac5 Ne2 30.Bb2 Ra8 31.a5 Ne4 32.Ne4 Reb8 33.Kf1 Nd4 34.Bc3 Bf8 35.Rb8 Rb8 36.Nf6 Kf7 37.Nd7 Re8 38.Ne5! Re5 39.Bd4 Re8 40.Bb6 Ra8 41.a6 g5 42.a7 Bd6 43.Rd1 Ke6 44.c5 Be7 45.f3 h5 46.Ke2 h4 47.Rd3 Kf5 48.Kd2 1–0. Hernandez,Alberto – Westerinen,Heikki MJ (2420), Havana–A, 1985.

9.Nbd2 Nh5 10.e4 Qe8 11.c4 f5 12.Qb3 Rf6 13.d4 ed4 14.Bd4 (14.ef5 Bf5 15.Nd4 Bc8+/–) 14...Rf8 (better is 14...fe4!? 15.Ng5 Rf5 16.Bg7 Ng7 17.Nde4 h6+=) 15.Bg7+/– Ng7 16.e5 de5 17.Ne5 Rb8 18.Rfe1 Be6 19.Ndf3 Kh8 (19...f4!?+/–) 20.Ng5 Bg8 (better is 20...Nc8!?+–) 21.Rad1 h6 (21...Rd8 22.Bb7 Ne6 23.Rd8 Qd8 24.Rd1+–) 22.Nh3 (22.Rd7 Nc8 23.Qe3 A) 23...hg5?? 24.Qg5 Bh7 25.Qh6 (25.Rc7?! Ne6 26.Ng6 Qg6 27.Qg6 Bg6 28.Re6 Bf7+/–) 25...Qd7 26.Ng6 Kg8 27.Qh7 Kh7 28.Nf8 Kh6 29.Nd7+–; B) 23...f4+–) 22...Rd8 23.Bb7 Rd1 24.Qd1 Qd8 25.Nf4 Qd1 (25...Re8 26.Qd8 Rd8+–) 26.Neg6 (26.Neg6 Ng6 27.Ng6 (27.Rd1? Nf4 28.gf4 Bc4–+) 27...Kh7 28.Nf8 (28.Rd1 Kg6 29.Bd5 Bd5 30.Rd5 f4–/+) 28...Kh8 29.Rd1 Bc4 30.Bc6+–) 1–0. Auger,Bertrand (1890) – Lemieux,Pierre (1885), Quebec Montcalm op 6th, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.Nbd2 Nh5 10.e4 f5 11.c4 (11.Qe2+=) 11...Nf6 (11...c5!?+=) 12.Qb3+/– h6 (12...Bh6 13.c5 Rf7 14.h4+/–) 13.c5+– Kh7 14.Rfe1 g5 15.cd6 cd6 16.d4 Ne4 17.de5 Nd2 (17...d5 18.Rac1+/–) 18.Nd2 de5 19.Be5 Be5 20.Re5 Ng6 21.Rc5 (21.Re2 f4 22.Bf3 g4+=) 21...Qd2+= 22.Rd1 (22.Rc7!? Kh8 23.Rd1+/–) 22...Qe2= 23.Rc7 Kh8 (better is 23...Ne7!? 24.Qd5 Rg8=) 24.Rd6+/– Qe5 Black intends f4 25.Qd1 g4?? (better is 25...Rf6 26.Qh5 Nf8 (26...Qd6?? 27.Qh6 Kg8 28.Qg7; 26...Rd6?? 27.Qh6 Kg8 28.Qh7 Kf8 29.Qf7) 27.Rf6 Qf6+/–) 26.Qc1+– f4 (26...Qd6?? 27.Qh6 Kg8 28.Qg7) 27.Rg6 (27.Rg6 Re8 28.Bf1+–) 1–0. Poley,V (2265) – Lunn,M (2030), Reykjavik Open, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.Nbd2 h6 10.a4 c6 11.bc6 bc6 12.Nc4 Be6 13.Nfd2 Ne8 (13...Rb8 14.Rb1=) 14.Rb1 Qc7 15.Bc3 f5 (15...d5 16.Ba5 Qd7 17.Ne3=) 16.Qc1+= g5? (better is 16...d5!? 17.Na5 Nd6+=) 17.Qa3+– White prepares a5 17...Bc8 (17...Qd7 18.e4+–) 18.Bb4 Rf6 19.a5 (19.Ba5 Qd7+–) 19...Re6 (19...Nd5 20.Qb3 Rf7 21.Bd5 cd5 22.Nd6 Nd6 23.Qd5+/–) 20.a6 (20.e4 Rb8+–) 20...Bf8 (20...d5 21.Na5 Nd6 22.Ndb3+/–) 21.Qa4 (21.e4 fe4 22.de4 d5+/–) 21...Nf6 (21...d5 22.Na3+/–) 22.Ba5 (22.Qa1 f4+–) 22...Qd7+/– 23.Bc3 Nfd5 24.Ba1 Nc7? (24...Qc7!?+/–) 25.e4 (25.Rb7 Qd8+–) 25...f4 (25...Nb5 26.Qa2+–) 26.Bh3 Na6 27.d4 (27.Bc3!? Nc7+–) 27...ed4 28.Bd4 Nc7 (28...c5 29.Qd7 Bd7 30.Bc3+/–) 29.e5 (better is 29.Bf6!+–) 29...d5+/– 30.Nd6 Rd6?? (30...c5 31.Qd7 Bd7 32.Bc5 Ng6+/–) 31.Bd7 (31.ed6?! Qd6 32.Bc8 Rc8+/–) 31...Rd7 32.Bc5 Nb5 33.Qb3 Rb7 34.Be7 (34.c4 Bf5 35.cb5 Rb5+–) 34...Be7 (34...Re7 35.Qd3 Be6 36.Rfd1+–) 35.Qd3 Kg7 36.c4 (better is 36.gf4 gf4 37.Kh1 Bg5+–) 36...dc4 37.Nc4 Bh3 38.Rfe1 (38.gf4 Bf1 39.Rf1 gf4+–) 38...Rd7 (38...Rf8 39.Qe4 Rd7 40.e6+– (40.Qc6?! fg3 41.hg3 Nd4+/–)) 39.Nd6! Rf8 (39...Nd6 40.ed6 Passed pawn; 39...Bd6 40.ed6 Passed pawn) 40.Rbc1 (40.gf4 Bg4 41.h3 Rf4 42.hg4 Nd6 43.ed6 Bd6+–) 40...fg3 (40...Bd6 41.ed6 Bf5 42.Qf3 Rd6 43.gf4+– (43.Rc6?! g4 44.Re7 Kf6 45.Rd6 Ke7 46.Qb7 Kd6 47.Qb5 Ke6+–)) 41.hg3 Nd6 42.ed6 Bd6 43.Rc6 Rf6 44.Qd4 Kg6 (44...Kf7+–) 45.Qc4 Rdf7 (45...h5 46.Rd1 Bf8 47.Qe4 Bf5 48.Rf6 Kf6 49.Qc6 Ke7 50.Qc5 Ke8 51.Re1 (51.Qf5?! Rd1 52.Kg2 Be7+–) 51...Re7 52.Re7 (52.Qf5?! Re1 53.Kg2 Be7+–) 52...Be7 53.Qf5+–) 46.Rd1 Be5 47.Rf6 Bf6 (47...Kf6 48.f4 Bc7 49.fg5 hg5 50.g4+–) 48.g4 Kg7 49.Rd3 1–0. Ostry,Irina (2175) – Berezina,Irina (2180), Tromso NOR, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.e4 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Nd7 (12...Bd7 13.Nc3=+) 13.c4 (13.Nc3 Nc5+=) 13...Nc5 14.Nc3 f5 (14...Bg4 15.Na4=) 15.Bb2 h6 16.d4 Ne4 (16...ed4 17.Nd4 f4 18.Qd2+=) 17.de5+– de5 18.Ne4 fe4 19.Nd2 (better 19.Ne5!? Qd6 20.Qa1+=) 19...e3= 20.fe3 Rf1 21.Bf1 Nf5 22.Qe2 h5 23.Ne4 Nd6 (23...Bh6 24.Be5 Qe7 25.Qb2 Be3 26.Kg2=) 24.Qd2 Bf5 (24...Qe7 25.Nd6 Qd6 26.Qd6 cd6 27.Bg2=) 25.Nd6 (25.Bg2!? Nf7 26.Kf2+=) 25...Qd6= 26.Qd6 cd6 27.Ba3 Bf8 28.Bg2 e4 29.Kf2 Kf7 30.Ke2 Ke6 31.Kd2 Bg7 32.Bf1 b6 33.Bb4 Be5 34.Ke2 h4 (34...Bg4 35.Kd2=+) 35.Kf2 (35.gh4 Bh2 36.Bc3 Kd7=) 35...g5 36.Bg2 Bf6 37.g4 Bg6 38.h3 d5 39.Bf1 (39.cd5 Kd5 40.Bf1 Be8=) 39...Bf7 (39...d4=+) 40.c5? (better 40.Ke1!?=) 40...Be7–/+ 41.Ke2? (better 41.Bc3 Bc5 42.Be2–/+) 41...bc5–+ 42.Ba5 Kd7 43.Kd2 d4 (better 43...Bd8 44.Bc3 Kc7–+) 44.Be2? (44.ed4 cd4 45.Bb6–+) 44...d3 45.Bd1 (45.Bf1 Bd8 46.Bc3 Kd6–+) 45...Kc8 46.Ba4 Kb7 47.Kc3 (47.Bc3 Kb6–+) 47...Be6 (47...Bf6 48.Kd2–+) 48.Bd1 (48.Kd2 Bf6 49.b6 Ka6–+) 48...Bf6 49.Kd2 c4 50.Bc3 (50.Kc1 Bd7 51.b6–+) 50...Bc3 51.Kc3 Kb6 52.Kb4 Bf7 53.Ba4 Bd5 54.Kc3 Kc5 (better 54...Ka5 55.Bd1 Kb5 56.Kd4–+) 55.b6 Kb6 56.Kd4 (56.Bd7–+) 56...Ka5 57.Bd1 Kb4 58.Kd5 c3 (58...c3 59.Ke4 c2 60.Bc2 dc2–+) 0–1. Valenta,Vit (2035) – Sarkar,Justin (2305), 9th Pardubice Czech Republic, Czech Open, 2018.

9.e4 Bd7 10.a4 a6 11.Nc3 Qe8 12.Rb1 ab5 13.ab5 b6 14.d4 Bb5 15.Nb5 Qb5 16.de5 de5 (16...Ne4? 17.ed6 Bb2 18.de7+–) 17.Be5 Rad8?? (better is 17...Qc6+=) 18.Rb5+– (18.Rb5 Rd1 19.Rd1 Ne4 20.Rd7+–) 1–0. Carruez Berges,Santiago (2115) – Martin Barbero,Roberto (1955), Aragon–chT Autonomico, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

9.e4 Nd7 10.c4 f5 11.ef5 Nf5 12.Nc3 Nc5 13.a4 Rb8 14.Qe2 h6 15.Ne4 Ne6 16.Qd2 g5 17.h3 b6 18.a5 Bb7 19.ab6 ab6 20.Ra7 Be4 (20...c6!?+=) 21.de4+/- Nfd4 22.Nd4 Nd4 23.Bd4 ed4 24.f4 Qe7 25.e5 (25.Kh2!?+/-) 25...de5= 26.Bd5 Kh8 27.f5 (27.fg5!? Rf1 28.Kf1 Rf8 29.Kg2 hg5 30.Qe2=) 27...e4=+ 28.Qe2 e3 29.Kg2 Qe5 30.Qd3 Rf6 31.Qe4? (31.Ra2=+) 31...Rff8 (31...Re8!? 32.Qe5 Re5 33.g4-+) 32.Qe5 (better 32.Qd3!?=) 32...Be5-/+ 33.Ra3 Rf6 34.g4 Kg7 35.Kf3 Re8 36.Ra8 Ra8 37.Ba8 Rf8 38.Bd5 Kf6 39.Ke4 Re8 40.Kd3 Bg3 41.Be6? (better 41.Bf3-/+) 41...Ra8-+ 42.c5 Ra3 43.Ke2 Rc3 44.cb6 cb6 45.Ra1 Rc2 46.Kf3 Bf4 (better 46...Bh4!? 47.Ke4 e2 48.Kd4-+) 47.Bb3 Rf2 (47...Rb2 48.Bc4 Ke5 49.Rf1-+) 48.Ke4 e2 49.Bc4 Bd2 50.Be2 Re2 51.Kd3 (51.Kd4 h5! 52.Kd5 Re3-+) 51...Re1 (better 51...Rh2 52.Kd4 Rh3-+) 52.Re1 Be1 53.Kd4 Bf2 54.Kd5 Bc5 55.Ke4 Bf8 56.Kd5 Bc5 57.Ke4 Bg1 58.Kd5 Bf2 59.Ke4 Bc5 60.Kd5 h5! 61.Ke4 (61.gh5 Kf5 Deflection) 61...h4 62.Kd5 Kf7 63.Kc6 Ke7 64.Kd5 Bg1 65.Kc6 Bf2 66.Kd5 Kf6 67.Kd6 Be3 68.Kd5 Bc5 69.Ke4 Ke7 70.Ke5?? (70.Kd5 Be3 71.Kc6-+) 70...Bd6 71.Kd5 Kd7 72.Ke4 Bg3 (72...Ba3!? 73.Ke5 Bb2 74.Kd5-+) 73.Kd5 Bf4 74.f6 Bc7 75.f7 Ke7 76.Kc6 Bd8 77.f8Q Kf8 78.Kd7 Bf6 79.Kc6 Bd4 80.Kd5 Bg1 81.Ke6 Kg7 82.Ke7 Kg6 83.Ke6 Bd4 84.Kd5 Bb2 85.Ke6 Bf6 86.Kd5 Kf7 87.Kc6 Ke6 88.Kb6 Ke5 89.Kc5 (89.Kc7 Kf4 90.b6 Bd4-+) 89...Kf4 90.Kd6 (90.b6-+) 90...Kg3 91.b6 (91.Kd5 Bd8 92.Kc5 Kh3-+) 91...Bd4 (91...Kh3?? 92.b7 Bd4 93.b8Q+-) 92.b7 Ba7 93.Ke6 Kh3 94.Kf5 Kg3 0-1. Valenta,Vit jr (2050) - Khudov,M (2135), IPCA Online Championship, 2020.

9.e4 Nh5 10.d4 f5 11.Nbd2 (11.ef5!? e4 12.Nfd2 Rf5 13.c4+=) 11...fe4+= 12.Ne4 d5 13.Nc5 b6 14.Nb3 e4 15.Ne5 Qd6 (15...a6 16.a4=) 16.f4 (16.f3 Nf6+=) 16...Be6 17.a4 Qd8 18.Ba3 Rf6 (18...Nf6!?=) 19.a5 Bf8 20.Qd2 Nc8 21.g4 Ba3 22.gh5 Qf8 23.hg6 hg6 24.Qe3 Bd6 (24...Qb4 25.f5 Bf5 26.Qg5+–) 25.c4+/– Ne7 26.c5 (better is 26.cd5 Nd5 27.Qe4+/–) 26...Nf5= 27.Qc3 Be7 28.ab6 cb6 29.c6 Nd6 30.Nd7? (better is 30.Qb4+=) 30...Bd7–+ (30...Nb5?! 31.Nf6 Bf6 32.Qe3+=) 31.cd7 Nb5 32.Qh3 Rd8 (32...Rf4 33.Rf4 Qf4 34.Qe6 Qf7 35.Qc6+–) 33.Rfc1 Rd6?? (better is 33...Rf4 34.Bf1 Qf6 35.Bb5 Rf3–+) 34.Bf1+/– Qf4 35.Bb5 a6 1–0. Blyth,H – Day,JC, BPCF corr, 1993. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7)

10.a4 c6 11.Qc2 Qc7 12.Nbd2 Bd7 13.bc6 Nc6 14.Rab1 Rfc8 15.Rfc1 Rab8 16.Ba3 Bh6 17.e3 Bf5 18.e4 Be6 19.Rb2 Nd7 20.Rcb1 Nc5 21.Rb6 Bd7 22.Nf1 a5 23.R6b2 Nd8 24.Bc5 dc5 25.Ne3 Be3 26.fe3 Nc6 27.Bf1 Nb4 28.Qd1 Rd8 29.Ne1 Bc6 30.Qb3 Rd6 31.Rf2 Qd7 32.Ra1 Rd8 33.Ra3 Qe7 34.Qc3 b6 35.Be2 Qe6 36.Qb2 f6 37.Qc3 Kf7 38.Qb2 Ke8 39.Bf1 Kd7 40.Qc3 Kc7 41.Qb2 h5 42.Be2 Qe8 43.Qb3 g5 44.Bf1 Qg6 45.Qb2 g4 46.Qe2 Qh6 47.Bg2 h4 48.Kf1 hg3 49.hg3 Bd7 0–1. Serrano,Fermin (2000) – Ranalli,Bruno (1900), IECG, 1999.

10.a4 Nd7 11.d4 ed4 12.Bd4 Nf5 13.Bg7 Ng7 14.Nc3 Nc5 15.Nd4 Nf5 16.Ne4 Ne4 17.Be4 Nd4 18.Qd4 a5 19.c5 dc5 20.Qc5 b6 21.Qc2 Ra7 22.Rfd1 Qe7 23.Rd4 (23.e3 Be6+/-) 23...Re8 (23...Be6 24.Rad1+/-) 24.Bc6 Rf8 25.Rad1 Be6 26.R1d3 Bf5 27.e4 Bh3 28.Qd1 Raa8?? (better 28...Be6+/-) 29.Ba8+- Ra8 30.Rd8 (better 30.g4 Qh4 31.Rg3+-) 30...Rd8 31.Rd8 Kg7 32.Qd4 f6 33.Qd5 Be6 34.Qd1 Bh3 35.Rd4 Qc5 36.Qa1 Qc2 37.Qd1 Qc5 38.Rd3 Qe5?? (38...Qc4 39.Re3 Be6+-) 39.g4 Bg4 40.Qg4 (40.Qg4 Qg5 41.Qg5 fg5 42.Rd7 Kf6 43.Rh7+-) 1-0. Vidic,Teja (2100) - Petauer,Eva (1895), TCh-SLO Women, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

10.a4 Be6 11.Nc3 h6 12.Qc2 Qc8 13.e4 Bh3 14.Nd5 Nfd5 15.cd5 Bg2 16.Kg2 c6 17.dc6 ab5 18.ab5 bc6 19.bc6 Qc6 20.Qc6 Nc6 21.Ra8 Ra8 22.Rc1 Nb4 23.Rc3 d5 24.ed5 Nd5 25.Rc5 Nb4 26.Ne5 Be5 27.Be5 Nd3 ½–½. Ellis,James R (2165) – Greene,Sanford I (2355), US CC Championship, 2008.

10.Nc3 ab5 11.Nb5 c6 12.Nc3 Qa5 13.Qc2 h6 14.a4 Rd8 15.Rfb1 Qc7 16.Nd2 d5 17.cd5 Nfd5 18.Nd5 Nd5 19.Nc4 Be6 20.a5 Ne7 21.Nb6 Ra6 22.Rc1 Nf5 23.e3 Qd6 24.Bc3 Ra7 25.Rd1 Qc5 26.Qb2 h5 27.Rac1 h4 28.Bb4 Qb5 29.Rc5 Rd3 30.Rb1 e4 31.Qc2+/– Qa6 32.Be4 Rd8 33.Rd1 Raa8 34.Na8 Qa8 35.Rd8 Qd8 36.Qd2 Qg5 37.Rc1 h3 38.f4 Qg4 39.Kf2 Nh6 40.Rc5 Bb3 41.Qd8 Kh7 42.Bf3 Qe6 43.Bc3 Bd5 44.Bg7 Kg7 45.e4! Ng4 46.Kg1 Ba2? 47.Qd4 Kg8 48.f5 gf5 49.Bg4 (49.Bg4 Qe4 50.Qe4 fe4 51.Bh3+–) 1–0. Fluvia,J (2270) – Marino,O (2030), Open, Lisbon POR, 2001.

10.Nc3 ab5 11.Nb5 c6 12.Nc3 h6 13.Qb3 Be6 14.a4 (14.Qb7? Rb8 15.Qa6 Rb2–+) 14...Qd7 15.a5 Nh5 (15...Ra6 16.Na4=) 16.Na4 Nc8 (16...Ra5 17.Nb6 Ra1 18.Nd7 Rf1 19.Kf1 Bd7 20.Qb7+–) 17.Bc3 f5 18.Rfb1 Ra7 19.Qb4 White plans c5 19...g5 20.c5 g4 21.Nd2 d5 22.Nb6 Nb6 23.cb6 Raa8 24.a6 Rfb8 (24...Ra6 25.Ra6 ba6 26.Nb3=) 25.ab7 (25.a7 Rf8+–) 25...Ra1= (worse 25...Qb7 26.Ra8 Ra8 27.Nb3+–) 26.Ba1 Rb7 (better 26...f4!?=) 27.Nb3+– Bf8 28.Nc5 Qd6? (better 28...e4+–) 29.Nb7+– Qb4 30.Rb4 Bb4 31.Be5 1–0. jackhammer3000 (1790) – rosaxl (1770), gameknot.com, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d3 e5 7.0-0 Nc6 8.b5 Ne7 9.c4 a6)

11.ab5 Bd7 12.Nbd2 Ra1 13.Qa1 c6 14.c5+/– dc5 15.Ne5 cb5? 16.Nd7+– Qd7 17.Bf6 c4 18.Bg7 Rc8 19.Bh8 c3 20.Bc3 Nd5 21.Bh8 f6 22.Bf6 Nf6 23.Qf6 b4 24.Qe5 b3 25.Bd5 Kf8 26.Be6 Qe7 27.Qh8# 1–0. pierre – teetoe, internet, 2008.

11.cb5 c5 12.bc6 bc6 13.Nbd2 Rb8 14.Ba3 c5 15.Nc4 (15.Qc2 Nfd5=) 15...Nfd5 (15...e4 16.de4 Ne4 17.Rc1=+) 16.a5 f5 17.Ra2? (better 17.Qc2=) 17...Nc3-+ 18.Qd2 Na2 (18...e4 19.de4 fe4 20.Ng5 Na2 21.Qa2-/+) 19.Qa2 Be6 (19...Kh8-+) 20.Ra1? (20.Ng5 Bf7-/+) 20...Qa5?? (20...e4 21.Ng5 Bc4 (21...Ba1? 22.Ne6 Qc8 23.Nf8+-) 22.Qc4 d5-+) 21.Na5= Ba2 22.Ra2 Rb1 23.Bf1 Ra8 24.Nc4 Nd5 25.Nd6? (25.Rc2 Bh6=+) 25...Nb4?? (better 25...Nc3 26.Nd2 Rd1-+) 26.Rb2= Rf1 27.Kf1 Ra3 28.Nc4 Ra1 29.Kg2 e4 30.Rb4?? (better 30.Nfe5=) 30...cb4 (better 30...ef3 31.Kf3 cb4 32.e3-+) 31.de4 fe4 (31...b3 32.Nfd2 b2 33.e5-+) 32.Nfd2 e3! 33.Ne3 (33.Ne3 Ra2 Combination; 33.fe3 Rc1 Combination) 33...Bc3 (33...Ra2 34.Nb3-+) 34.Nb3 (34.Ne4 Ra2-+) 34...Ra2 (better 34...Ra3!? 35.Nc1 Bd2 36.Nd5-+) 35.Kf3 (35.Nc1 Ra5-+) 35...Rb2 (35...Ra3 36.Nc5-+) 36.Nc5-/+ b3 (better 36...Bg7 37.Nd3 Rb1-/+) 37.Nd1= Rc2 38.Nb3 Bb4 (38...Kf7 39.Ne3 Ra2 40.Nc1=) 39.Nd4 (39.Ne3 Rc3 40.Nd2 Kf7+=) 39...Rc4 (39...Rd2 40.Nc6=) 40.e3 Bc5 41.Nb2 Rb4 42.Nd3 Rc4 43.Nc5 Rc5 44.Ke2 (44.Ke4 Rc1+=) 44...Rc7 45.Kd3 Kf7 46.f4 Rc1 47.e4 1-0. Spiritchaser84 (2210) - ENERGIE73 (2045), Rated Bullet game, lichess.org, 2014. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3)

12.Ba1 c6 13.Nc3 Be6 14.Ng5 Bf5 15.Nce4 cb5 16.cb5 Ned5 17.Qb3 h6= 18.Nf6 Nf6 19.Ne4 Ne4 20.de4 Be6 21.Qd3 Qb6+= 22.Rc1 Bd7 23.Rd1 Bb5–/+ 24.Qd6 Qd6 25.Rd6 Be2 26.Rd7 Rc8 (26...Rc8 27.Bb2 b5–/+) 0–1. snowshinethedog – Double Wood, ChessWorld.net, 2005.

12.Ba1 Nd7 13.Nbd2 f5 14.Qc2 c5 15.bc6 Nc6 16.Nb3 Qe7 17.Nfd2 Nf6 18.Bb2 Be6 19.Ra1 Rc8 20.Na5 Qc7 21.Nc6 bc6 22.Qa4 Bh6 23.e3 Be3 24.Nf3 Bf2 25.Kf2 Qb6 26.Bd4 ed4 27.h3 Qb2 28.Kg1 h6 29.Re1 Bd7 30.Qa7 c5 31.Re7 Qc1 32.Kh2 Rd8 33.Qc7 Rc8 34.Qd6 Rc6 35.Qb8 Rc8 36.Qe5 Rf8 37.Nh4 Rf7 38.Ng6 Qg5 39.Rf7 Kf7 40.Nf4 1–0. Cangiotti,Claudio – Rago,Riccardo, Ch Italy team, 1994. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nc6 8.b5 Ne7 9.c4 a6)

12.Ba1 Nd7 13.d4 h6 (13...Nf5 14.de5 de5 15.Nc3=) 14.Nc3 (14.de5 Ne5 15.Nbd2 Qd7+=) 14...f5 15.de5 de5 Black fights for the Initiative. 16.Nd5 c6 17.Ne7 Qe7 18.Nh4 (18.Qb3 Rd8=) 18...Qe6 Black prepares e4 19.bc6 (19.Qb3 e4 20.Bg7 Kg7=) 19...bc6=+ 20.Qa4 e4 21.Bg7 Kg7 22.Bh3 Ne5 Exerts pressure on the isolated pawn 23.c5 Qe7 24.Ng2 (24.Qd4!?=+) 24...Qc5–/+ 25.Rd1 (25.Qa1!?–/+) 25...g5–+ 26.Ne1 (better 26.Qa8–+) 26…f4 (26...f4 27.g4 Bg4 28.Bg4 Ng4–+) 0–1. Acharya,Sushan (1615) – Raghav,S (2110), Kathmandu Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3 a6 10.a4 ab5 11.ab5 Ra1)

12.Ba1 Bg4 13.Nc3 Qd7 14.Re1 Ra8 15.Qb3 Bh3 16.Bh1 h6 17.Nd2 c6 18.bc6 bc6 19.Nde4 Ne4 20.Ne4 d5 21.cd5 cd5 22.Nc5 Qa7 23.Qc3 Rc8 24.Rc1 Nf5 25.e3 d4 26.ed4 Nd4 (26...Nd4 27.Qd2 Rc5–+) 0–1. Hilton,Stephen – Kraujunas,Vladas, RF–2011–0-00090, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

12.Ba1 Nh5 13.Nbd2 f5 14.Qb3 h6 15.c5 Kh7 16.Bb2 f4 17.cd6 cd6 (worse 17...Qd6 18.Ne4 Qd5 19.Qb4+–) 18.d4 fg3 (18...Bf5 19.de5 de5 20.Rd1+=) 19.hg3 Bg4 (19...ed4 20.Nd4 d5 21.Rc1+=) 20.de5+– de5 21.Ne4 Qb6 (21...Nf6 22.Nf6 Bf6 23.Ne5 Bc8+–) 22.Ba3 Be6? (better 22...Qd8+–) 23.Qe6!! Qe6 24.Neg5! hg5 25.Ng5 Kh6 26.Ne6 Rf7 (26...Re8 27.Bb7 Rb8+–) 27.Bc1 (27.Nd8 Rf8 28.Be7 Re8+–) 27...g5 (27...Kh7 28.Ng5 Kg8 29.Nf7 Kf7 30.Bb7+–) 28.Bg5 Kh7 29.Nd8 Kg6 30.Nf7 Kf7 31.Bb7 1–0. Nwoye,Nnamdi (2015) – Haddock,Paul (1635), Gibraltar England, Tradewise Open–B, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 a6)

10.a4 c5 11.Nfd2 Rb8 12.Nc3 Be6 13.a5 Qd7 14.Re1 Bh3 15.Bf3 h5 16.Nde4 Nh7 17.Rb1 (17.a6!? b6 18.Qa4+=) 17...f5= 18.Nd2 Nf6 (18...Ng5 19.Qb3=) 19.Nf1 (19.Qa4 Ng4+=) 19...f4= 20.Ne4 Nh7 (20...Nf5!?=) 21.gf4+= Rf4 22.Bc1 (22.Ne3 Nf6+=) 22...Rf3 (22...Rff8 23.Ne3+=) 23.ef3+= Nf5 24.Be3 (better is 24.Ne3+=) 24...Rf8+= 25.Nfd2 (25.a6 Nh4 26.Nfd2 Bg2 27.Bc5 dc5 28.ab7 Bh6–+) 25...Nh4–/+ 26.Bg5?? (better is 26.a6 b6 27.Qb3–+) 26...Ng5–+ 27.Ng5 Nf3 (27...Nf3 28.Kh1 Ng5–+) 0–1. Michalicka,Milan (2225) – Obsivac,Josef (2270), Valasska Bystrice CZE, Sokol Open, 2014. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.d3 0-0 7.Bg2 Nc6 8.b5 Ne7 9.0-0 c6)

10.a4 h6 11.c5 Nfd5 12.cd6 Qd6 13.Nfd2 a6 14.Nc4 Qc7 15.bc6 bc6 16.Nbd2 Rb8 17.a5 Be6 18.Ne4 Nb4 19.Qc1 Bd5 20.Nb6 Be4 21.Be4 Rfd8 22.Ba3 Nbd5 23.Rb1 Bf8 24.Nd5 Nd5 25.Rb8 Qb8 26.Bf8 Kf8 27.Qc6 Qd6 28.Rc1 Nf6 29.Qd6 Rd6 30.Bb7 Ke7 31.Rc7 Nd7 32.f4 f6 33.Kf2 Kd8 34.Rc8 Ke7 35.Ke3 Rd4? 36.fe5 fe5 37.Rc6 (37.Ba6?! Rd5+–) 1–0. Arnaudov,Petar (2150) – Cholakov,Stefan (2170), Sofia BUL, Seniors Ch, 2012.

10.Nc3 Be6 11.a4 Rc8 12.Ra3 c5 13.Qa1 Nf5 14.a5 Nd7 15.Nd2 b6 (15...Rb8!?=) 16.ab6+/– ab6 17.Ra7 Nd4 18.e3 Nf5 19.Nce4 Rc7 20.Qa6 Ra7 21.Qa7 Nf6 22.Ra1 Ne4 23.Ne4 Re8? (better is 23...d5!? 24.cd5 Bd5=) 24.Ra6+– Re7? (better is 24...d5 25.cd5 Bd5 26.Rb6 Be4 27.Be4 c4+–) 25.Qb6 Qb6 26.Rb6 Rd7 (26...Re8+–) 27.g4 (better is 27.Rb8 Bf8 28.Nf6 Kg7 29.Nd7 Bd7 30.b6+–) 27...Ne7 (27...Nh4 28.Rb8 Bf8 29.Nf6 Kg7 30.Nd7 Bd7+–) 28.Rb8 Bf8 29.Nf6 Kg7 30.Nd7 Bd7 31.b6 Bc6 32.Bc6 Nc6 33.Rc8 (33.Rc8 Na5 34.Bc3+–) 1–0. gbsrao (2280) – yetzaline (2305), net–chess.com, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 d6 4.Bb2 Bg7 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 c6)

10.Nc3 h6 11.a4 Be6 12.a5 Qd7 13.a6 b6 14.bc6 Nc6 15.e3 Nh5 16.Qb3 f5 17.Nd2 Rac8 18.f4 e4 19.Nb5 Na5 20.Ra5 ba5 21.de4 (21.Bg7 Ng7 22.de4 Rc5=) 21...fe4 (better is 21...a4!? 22.Qa3 Bb2 23.Qb2 Bc4 24.Nc4 Rc4 25.ef5 A) worse is 25...Rf5 26.Na3 Rcc5 27.g4+/–; B) worse is 25...Qf5 26.Nd6 Rc2 27.Qb7 (worse is 27.Nf5 Rb2 28.Nd6 Rd8+=) 27...Rg2 28.Kg2+=; C) 25...Rc5+=) 22.Be4 Bb2 23.Qb2 Rb8 (23...Nf6!? 24.Bg6 Bc4 25.Nc4 Rc4=) 24.Qd4+/– Rb6 25.Bb7 Rd8 (25...Nf6!?+/–) 26.Na7 Rb7 27.ab7 Qb7 28.Rb1 Qd7 29.Nb5 Bh3 (29...d5!? 30.c5 Rb8+–) 30.Ra1+– d5 31.Ra5 Qg4 (31...dc4 32.Nc4 Qe7 33.Nbd6+–) 32.Kf2 (32.cd5?? Qe2 33.Qh8 Kh8 34.e4 Qg2) 32...g5 (32...Ng7 33.Nc7 Qd1 34.Ra1+– (34.Rd5?! Rc8 35.Rc5 Kh8+–; 34.cd5?! Nf5 35.Qd3 Bf1+/–)) 33.Nc3 gf4 34.ef4 Nf4 35.Nf3 Rf8? 36.Nd5 Bg2? 37.Ne7 Kh7 38.Qe4 Kh8 39.gf4 Bf3 40.Qf3 Qh4 41.Kf1 Qe7 42.Ra8 Qf7 43.Rf8 Qf8 44.Qe4 Qa3 45.Kg2 Qb2 46.Kh3 Qc1 47.Qe5 Kh7 48.Qe4 Kh8 49.c5! Qf1 50.Kg4 Qg1 51.Kf5 Qh2 52.c6 Qh5 53.Kf6 Qh4 54.Kf7 Qh5 55.Qg6 Qd5 56.Ke7 Qc5 57.Qd6 Qa7 58.c7 Kh7 59.Kf7 (59.Kf7 Qa2 60.Qe6 Qe6 61.Ke6+–) 1–0. Boikanyo,C (1995) – Essop,Hishaam (1630), Port Elizabeth RSA, Commonwealth Ch, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4)

10.bc6 bc6 11.Nc3 Bb7 12.Rb1 Rb8 13.a4 a6 14.Ba3 c5 15.Qc2 Qc7 16.Ng5 Bg2 17.Rb8 Bf1 18.Rf8 Bf8 19.Kf1 Qc6 20.Nf3 g5 21.Ng5?? Qh1# 0–1. rryy44 – jerzys1959, kurnik, 2012.

10.bc6 bc6 11.c5 d5 12.Be5+/– Qa5 13.Qc2 Bf5 14.Nbd2 Nd7 15.Bg7 Kg7 16.Nb3 Qa6 17.Qc3 Kg8 18.Nfd4 Rab8 19.e4 Be6 20.f4 de4 21.Ne6 fe6 22.de4 Nf6 23.Bh3 Kf7 24.Qe5 Rbe8 25.Be6 Kg7 26.Rad1 Qe2 27.Rfe1 Qh5 28.Qh5 Nh5 29.Nd4 Nf6 30.e5 Nfd5 31.Bd5 (31.Bd5 cd5 32.Ne6 Kf7 33.Nf8 Rf8 34.e6 Kf6 35.g4+–) 1–0. Van Mechelen,J (2240) – Marlier,G (1950), Pays de Charleroi Open, 2011.

10.a4 c6.

10.a4 Qc8? 11.c5!+/– Bh3 12.Nbd2 (12.cd6! cd6 13.Nbd2+/–) 12...Bg2 13.Kg2 dc5 (13...Qd7 14.Rc1+/–) 14.Be5unclear Re8 15.Rc1 b6 16.d4! cd4 17.Rc7 Qe6? (17...Qd8!) 18.Nb3+– Nf5 19.Rc6! Qe7 20.Nbd4 Nd4 21.Qd4 Nh5 (21...Rad8? 22.Bf6+–) 22.Bg7 Ng7 23.e3 Rad8 24.Qa1 Nf5 25.Qc3! h5 (25...Qe4) 26.h4 Qe4 27.Rc4 Qd5 28.Rc1! Re4 29.Re4 Qe4 30.Qf6 Rf8 31.Rc7 Qa4 32.Ng5 Qa2 33.Nf7! Ne3 34.Kh3! 1–0. Spiridonov – Honfi, Bukarest, 1973.

10.a4 Qc8 11.c5 Bh3 12.cd6 cd6 13.Nbd2 Bg2 14.Kg2 Qe6 15.Rc1 Rac8 16.Qb3 Qb3 17.Nb3 Ned5 18.Ba3 Rc1 19.Rc1 Rd8 20.Na5+/– Bh6 21.e3 Bf8 22.Nb7 Rd7 23.Na5 Nb6 24.Rc6 Na4 25.Rc8 Nb6 26.Rb8 e4+/– 27.Ne5 de5 28.Bf8 h5 29.de4 Kh7 30.Bc5 Na4 31.Bb4 Ne4 32.Nc6 f6 33.Ra8 Nb6 34.Ra7 Ra7 35.Na7 Nd5 36.Ba5 Nc5 37.Nc8+– Nb7 38.Bd2 Nc7 39.b6+– Na6 40.Kf3 Kg7 41.Ke4 Kf7 42.Kd5 Nd8 43.Nd6 Ke7 44.Ne4 Nb7 45.Kc6 Nd8 46.Kb5 Nb8 47.Bb4 Ke6 48.Bd6 Ndc6 49.b7 f5 50.Bb8 Nb8 51.Nc5 Kd6 52.Na6 Nd7 53.b8Q Nb8 54.Nb8 Kd5 55.Nd7 Ke4 56.Kc4 g5 57.Nf6 Kf3 58.Kd5 e4 59.Ke5 Kf2 60.Kf5 Kg2 61.Ne4 Kh2 62.Ng5 Kg3 63.e4 (63.e4 Kg2 64.e5 h4 65.Kg4 Kf2 66.e6 Ke2 67.e7 Kd3 68.e8Q h3 69.Qd7 Kc2 70.Kh3 Kc3 71.Nf3 Kc4 72.Qc6 Kd3 73.Kg4 Ke3 74.Qc3 Ke2 75.Qd2 Kf1 76.Qe1 Kg2 77.Qg1#) 1–0. Buldrova,Monika (2125) – Priborsky,Ivo (1955), Klatovy op–A, 2000. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

10.a4 Qc8 11.Nbd2 Bh3 12.c5 Bg2 13.Kg2 Qd7 14.Nc4 Rad8 15.Qb3 Nh5 16.Rac1 h6 17.Ba3 Qe6 18.cd6 cd6 19.Na5 Nd5 20.e4 (better is 20.Nd2!? Rd7 21.e4+=) 20...Ndf4= 21.Kh1 Qh3 22.Nh4 (better is 22.Rg1!? Ne2 23.Nb7 Nc1 24.Rc1=) 22...Bf6–/+ 23.gf4 Nf4 24.d4 (24.Nb7?? Bh4 25.Qf7 Rf7 26.Rg1 Qf3 27.Rg2 Qg2) 24...Qh4 (worse is 24...Bh4 25.Qh3 Nh3 26.Nb7+=) 25.Qf3 Rd7 (25...ed4?! 26.Nb7 d5 27.ed5=) 26.Nc4 Rfd8 (26...ed4?! 27.Bd6 Rd6 28.Nd6+=) 27.d5 h5 (27...Bg5 28.b6 a6 29.Ne3–/+) 28.Ne3 (28.b6 a6+=) 28...Qh3 29.Qh3 Nh3 30.Rc2 Bg5 31.Bc1 Bf4 32.Bd2 Kh7 33.Kg2 Ng5 34.f3 f6 35.Rfc1 Nf7 36.Rc3 Nh6 37.R3c2 f5 38.h3 fe4 39.fe4 Nf7 40.Rc3 Ng5 41.Rc4 Kg7 42.h4 Nh7 43.Nf1 Bd2 44.Nd2 g5 45.hg5 Ng5 46.a5 Kh6 47.b6 ab6 48.ab6 h4 49.Rc7+= Kh5 50.R1c3 Kg4 51.Rd7?? Rd7–+ 52.Rc7 Rf7 53.Rf7 Nf7 54.Nc4 Kf4?? 55.Na5–/+ Nd8 56.Nc4?? Ke4–+ 57.Nd6 Kd5 58.Nf5 Kc5 59.Nh4 Kb6 60.Kf3 Kc5 61.Ke4 Nc6 62.Nf3 b5 63.Nd2 Na5 64.Kd3 b4 65.Ne4 Kd5 66.Nd2 Nb7 67.Kc2 Nc5 68.Nf1 Kd4 69.Nd2 e4 (69...e4 70.Kd1 Kd3–+) 0–1. Koskimaa,Esko – Sorri,Kari Juhani (2270), Helsinki op2, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

10.Nc3 Qc8 (10...a6 11.a4=) 11.Qb3 (11.a4 Bh3+=) 11...Bh3 12.c5 (12.Rac1 Bg2 13.Kg2 a6=) 12...Bg2= 13.Kg2 dc5 14.Ne5 Qf5 (14...a6 15.a4=) 15.Nf3 (15.Na4 b6+=) 15...b6 (15...Nh5 16.Qc4+=) 16.Nd1 (16.e4 Qc8+=) 16...c6 (16...Qd7 17.Ne5 Qe6 18.Qe6 fe6 19.Nc3=) 17.Ne3+= Qd7 18.a4 (18.Ne5 Qb7 19.Kg1=) 18...Qb7 (18...Nfd5 19.Nc4+=) 19.Kg1 (19.Nc4 Ned5+–) 19...Rad8 (better 19...Nfd5+=) 20.d4 (better 20.Nc4!?+–) 20...cd4=+ 21.Bd4 c5 22.Bc3 (22.Be5 Ned5 23.Nd5 Nd5 24.Bg7 Kg7=+) 22...Ned5 23.Bd2? (better 23.Nd5!? Nd5 24.Bg7 Kg7 25.Ne5=+) 23...Ne4–+ 24.Rad1 (24.Rae1 Rfe8 25.Nc4 Ndc3–+) 24...Nd2 (24...Ndc3 25.Bc3 Nc3 26.Rde1–+) 25.Rd2–/+ Nc3 26.Qc4 Qe4 (better 26...Rd2 27.Nd2 Rd8–/+) 27.Rc1?? (better 27.Rc2 Qc4 28.Nc4–/+) 27...Qc4–+ 28.Nc4 Rd2 29.Nfd2 (29.e4 Ra2 30.Re1 Ra4–+) 29...Ne2 (29...Ne2 30.Kf1 Nc1–+) 0–1. Radford,Mark Sr (1735) – Burns,Martin J (1850), 10th The Four Nations Chess League Cong, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Bd7)

10.Nbd2 Qc8 11.Rc1 Bh3 12.c5 Bg2 13.Kg2 Qd7 14.Qb3 h6 15.Rc2 Ne8 (15...a5 16.a4+=) 16.Rfc1+/- g5 17.h3 Ng6 18.cd6 cd6 19.d4 Kh7 20.de5 de5 21.Nc4 e4 22.Nfe5 Qf5 (22...Qe6 23.Ng6 fg6 24.Bg7 Ng7 25.Nd2+=) 23.Ne3 Qe6 24.Qe6 fe6 25.Nd7 Rf7 26.Nc5 Bb2 27.Rb2 Rc8 28.Rbc2 Nd6 29.a4 (29.Ne6 Rc2 30.Rc2 Nb5+/-) 29...e5 (29...Nf5!?+/-) 30.Rd1+- Rf6?? (better 30...b6 31.Ne4 Rc2 32.Nd6 Rcc7 33.Nf7 Rf7+-) 31.Ng4 Re6 (31...Rcf8+-) 32.Ne6 Rc2 (32...Nf4 33.gf4 Rc2 34.Rd6 Rc8 35.Ne5 Rc7 36.Nc7 Kg7 37.Rd7 Kg8 38.Nd5 gf4 39.Nf6 Kf8 40.Ng6) 33.Rd6 (33.Rd6 Ne7 34.Rd7+-; 33.Nf6 Kh8 34.Rd6 Ra2 35.Rd8 Nf8 36.Rf8) 1-0. Salminen,J (1975) - Hlavsa,F (1840), 30th Czech Open C, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

10.a4 Nc5 11.a5 (11.d4 ed4 12.Bd4 Bd4 13.Nd4 Nf5+=) 11...a6 (11...e4 12.Nd4 ed3 13.ed3=+) 12.Nc3 h6 13.e3 Bf5 (13...ab5 14.cb5 Be6 15.a6=) 14.Ne1 Rb8? (better 14...ab5!? 15.cb5 c6=) 15.d4+/- ed4 16.ed4 Ne6 17.Ne2?? (better 17.g4+/-) 17...g5 (17...d5 18.h3 h5 19.cd5 Nd5 20.Qb3=+) 18.Ra2 (18.Nc2 ab5 19.cb5 Qd7=) 18...Bg6 (18...d5 19.Qc1=+) 19.Nd3 (19.d5 Bb2 20.Rb2 Nc5=) 19...Nf5 Increases the pressure on d4 (19...ab5!? 20.cb5 Qd7+=) 20.d5+= Ned4 (better 20...Nc5!?+=) 21.Nd4+- Nd4 22.Nf4 (better 22.Nb4!? Nf5 23.Bg7 Kg7 24.ba6 ba6 25.Nc6+-) 22...Nf5 23.Ng6 fg6 24.Bg7 Kg7 25.Qa1 Qf6 26.Qf6 Rf6 (26...Kf6 27.g4 Nh4 28.Re2+=) 27.Re2 (27.Rb2 Ra8+/-) 27...Nd4 28.Re7 Rf7 29.Rf7 Kf7 30.b6 (30.f4!? g4 31.Rb1 ab5 32.cb5=) 30...cb6=+ 31.ab6 (31.Rd1 Ne2 32.Kf1 Nc3-/+) 31...Rc8-/+ 32.Rc1?? (better 32.h3-/+) 32...Ne2-+ 33.Kf1 Nc1 0-1. Percheron,A (1850) - Emmenecker,P (2050), EE May Blitz Open, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 d6 4.Bb2 e5 5.d3 Bg7 6.g3 0-0 7.Bg2 Nc6 8.b5 Ne7 9.0-0)

10.Qc2 Nc5 11.Nc3 (11.Nbd2 Re8=) 11...f5 (11...a6 12.a4=) 12.a4 (12.e3 f4=) 12...a5 (12...a6 13.e3=) 13.Nd2 f4 14.Nb3 (14.Nde4 Ne4 15.Ne4 c6=) 14...Ne6 15.Nd5 White prepares the advance c5 (15.Qd2 c6=) 15...Nf5 (15...Nd5 16.Bd5 Qd7 17.Qd2=) 16.c5 dc5 17.Nc5 Ned4 18.Bd4 Nd4 19.Qa2 Kh8 20.e3 (20.Be4 b6 21.Nb3 Be6 22.Nd4 ed4=+) 20...f3=+ 21.ed4 fg2 22.Rfe1 (22.Kg2? b6 23.de5 bc5–+) 22...b6 (worse 22...ed4 23.Ne7= (23.Kg2? Rf5–+)) 23.Ne4 Be6 (23...ed4?! 24.Nf4= (24.Kg2?? Be6–+)) 24.Nec3 Qd7 (24...Rf7 25.f4–/+) 25.de5 Rad8 26.f4 g5 27.Re4 (27.Qg2 Bd5 28.Nd5 Qd5 29.Qd5 Rd5–/+) 27...Bd5 (27...gf4 28.gf4 Bh6 29.Rae1 Bd5 30.Nd5 Qd5 31.Qd5 Rd5 32.e6–/+) 28.Nd5=+ Qd5 29.Qd5 Rd5 30.Rc1 gf4 (30...Rd3 31.Kg2 Rf7 32.Rf1–/+) 31.gf4 Bh6 (better 31...Rd3 32.Kg2 Rf7=+) 32.Rc6? (32.e6 Rf4 33.e7 Re4 34.de4–+) 32...Bf4–+ 33.Rf6? (33.d4 Rd4 34.Rd4 Be3 35.Kg2 Bd4 36.Rc7 Rf2 37.Kg3 Be5 38.Kf2 Bc7 39.h3–+) 33...Rf6 34.ef6 The mate threat is Re8 34...Be5 35.f7 Threatening mate... how? 35...Kg7 36.Rh4 (36.Kg2 Kf7 37.Rh4 Kg6–+) 36...Kf7 37.Rh7 Kg6 (37...Kf6 38.Rh6 Kf5 39.Kg2–+) 38.Rh3 (38.Rh4 Rd3 39.Kg2 Kf5–+) 38...Rd4 39.Re3 Bd6 (39...Kf5 40.Re4 Rd3 41.Re2–+) 40.Re4 Rd3 41.h4 (41.Kg2 Rd2 42.Kf3 Rh2 43.Rc4–+) 41...Rg3 (41...Rg3 42.h5 Kh5–+) 0–1. Neiman (2270) – Petit (2260), Toulouse, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.c4 Nc6 8.b5 Ne7 9.d3 Nd7)

10.Qc2 f5 11.Nbd2 (11.Ng5 Nc5=) 11...h6 (11...a6 12.Ng5 Nc5 13.f4=) 12.Nb3 White prepares the advance c5 (12.a4 a6=) 12...g5 (12...a6 13.ba6 Ra6 14.c5=) 13.c5 g4 (13...a6 14.a4=) 14.cd6 (14.Nfd2 a6+=) 14...cd6= 15.Nfd2 Nb6 (15...a6 16.ba6 Ra6 17.f4=) 16.a4 Rb8 (16...f4 17.gf4 Rf4 18.a5+=) 17.a5+= Nbd5 18.e4 Nf6 19.d4 (19.Qc4 Kh7+=) 19...Ne4= 20.Ne4 fe4 21.Be4 d5 (21...Be6!?=) 22.Bh7+= Kh8 23.de5 Nf5 24.Bf5 Bf5 25.Qe2 (25.Qd2 Qd7 26.Nd4 Rbe8+–) 25...Qg5 (25...Qc7 26.f4 gf3 27.Rf3+–) 26.Nd2 (26.Rae1 Qg6 27.e6 Bd3 28.Bg7 Kg7 29.Qe5 Kh7+=) 26...Qg6 27.Rfc1 (27.Qe3 a6+=) 27...Rbc8 (27...Bd3 28.Qe3+=) 28.Qe3 (28.f4 gf3 29.Qf3 Qe6+=) 28...a6 29.Qa7 (29.b6 Bc2+=) 29...Bc2 (29...Ra8 30.Qb6+=) 30.Ra3+= (30.Qb7 Qd3 31.Qa6 Qd2–/+) 30...ab5 31.Qb7 Qf5 (better 31...Rb8!? 32.Qe7 Rfe8+=) 32.f4+– (32.Qd5 Qf2 33.Kh1 Bb3–+) 32...gf3 (better 32...Rfd8!?+–) 33.Rf3+– (33.Nf3?! Rc4 34.Re3 Bd3+=; 33.Qd5 f2 34.Kg2 Rcd8–+) 33...Qg4 (33...Qg6 34.Rf8 Rf8 35.Qd5 Qg5+–) 34.Rcf1 (34.Rf8 Rf8 35.Qb5 Qg5+–) 34...Rf3 (better 34...Qb4!? 35.Ba3 Qd4 36.R1f2 Rfe8+–) 35.Rf3+– Bg6 (35...Qe6+–) 36.e6 (36.Qb5 Rc2 37.Rf4 Qd1 38.Nf1 Be4 39.Re4 Qf3–+; 36.Qd5?! Qa4+–) 36...Rg8 37.Bg7 Rg7 38.Qd5 Qa4 (38...Kh7+–) 39.e7 Qd1 (39...Kh7 40.Rf8 Qd1 41.Kf2+–) 40.Rf1 (better 40.Kf2!? Kh7 41.Rf8 Qh5+–) 40...Qe2 41.Qd8 (better 41.Rf8 Kh7 42.e8Q Be8+–) 41...Rg8?? (better 41...Kh7+–) 42.Rf8 (better 42.Qd4 Kh7 43.Ne4 Qe4 44.Rf7 Bf7 45.Qe4 Bg6 46.Qb7+–) 42...Qe3 43.Kh1 (43.Kg2 Qe2 44.Rf2 Qe6+–) 43...Be4 44.Ne4 Qe4 45.Kg1 Qe1 46.Rf1 (46.Kg2 Qe2 47.Rf2 Qe4 48.Kf1 Qb1 49.Ke2 Qe4 50.Kd2 Qb4 51.Ke3 Qc3 52.Ke2 Qb2 53.Kf3 Qe5+–) 46...Qe3 47.Rf2 Qe1 48.Kg2 Qe4 49.Rf3?? (better 49.Kf1 Qb1 50.Ke2 Qe4 51.Kd2 Qb4 52.Ke3 Qc3 53.Ke2 Qb2 54.Kf3+–) 49...Qe2= 50.Rf2 Qe4 51.Kf1 Qh1 52.Ke2 Qe4 53.Kd1 (53.Kd2 Qb4 54.Ke3 Qc3 55.Qd3 Qc1 56.Ke2 Qc5+–) 53...Qb1 54.Kd2 Qb4 (54...Qa2 55.Ke3 Qe6 56.Kd4 Qg4 57.Rf4 Qd1 58.Kc5 Rd8 59.Rf8 Rf8 60.ef8Q Kh7 61.Qf5 Kg7 62.Qe5 Kg6 63.Qe4 Kf7 64.Qd5 Qd5 65.Kd5+–) 55.Ke3 Qe1 (55...Qc3 56.Qd3 Qc1 57.Ke2 Qc5+–) 56.Re2 Qc3 57.Qd3 Qe5 58.Kf2 Qf6 59.Kg2 Re8 60.Qe4 (60.Qf3 Qf3 61.Kf3 Kg7+–) 60...Kg7 61.Qe5 Qe5 62.Re5 Kf6 63.Rb5 (better 63.Re2 Kg5 64.a6 b4+–) 63...Re7 64.Rb6 (64.Kf3 Rh7+–) 64...Kg5 65.h4 Kh5 (65...Kg4 66.Rb4 Kf5 67.Kf3+–) 66.Kh3 (66.a6 Kg4+–) 66...Re3 67.Rb5 Kg6 68.h5 Kf6 69.Kh4 Re1 (69...Ra3 70.Rb6 Kg7 71.a6+–) 70.Rb6 Kg7 71.Rg6 (better 71.Rb7!? Kf6 72.Rh7 Rg1+–) 71...Kh7 72.g4 Ra1 (72...Rh1 73.Kg3+–) 73.a6 Ra3 (73...Rh1 74.Kg3 Ra1+–) 74.Rb6 Kg7 75.Rb7 (75.Rb7 Kf6 76.Rh7+–) 1–0. Juknis,Paulius (2155) – Budrewicz,Krzysztof (2255), Chess Grand Prix Open A, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3 Nd7)

10.Qc2 Nf5 11.Nbd2 Nc5 12.a4 Re8 13.e4 Nh6 14.d4 ed4 15.Bd4 Ng4 16.Bg7 Kg7 17.Rfe1 Qf6 18.h3 Ne5 19.Ne5 de5 20.Nb3 Qe7 21.Nc5 Qc5 22.Rad1 Be6 23.Bf1 a6 24.Qb2 Reb8 25.Kg2 ab5 26.ab5 Ra4 27.Ra1 Rb4 28.Qa3 Bc4 29.Rab1? Bf1 30.Rf1 Rb5 31.Qa1 Rb1 32.Qb1 b6 33.Rc1 Qd6 34.Qb2 Rd8 35.Qb5 c5 36.Rc4 Ra8 37.Ra4? Ra4 38.Qa4 Qd4 39.Qc6 c4 40.g4 h6 41.h4 Qc5 42.Qe8 c3 43.g5 hg5 44.hg5 c2 0–1. Valiente Roy,J (2035) – Gonzalez Perez,A (2470), Zaragoza ESP, 5th Stadium Casablanca Op, 2011.

10.Nc3 Nc5 11.Nd2 f5 12.Nd5 Nd5 13.cd5 Bd7 14.a4 a6 15.Nb3 b6 16.Nc5 bc5 17.ba6 Bc8 (17...f4 18.a5=) 18.a5 Ba6 19.Qa4 Qe7 20.Bc3 e4 21.Bg7 Qg7 22.de4 fe4 23.Be4 Be2 24.Rfe1 Ba6 25.Bg2 Rab8 26.Ra2 Qc3 27.Qd1 Rb4 28.Re3 Rd4 29.Qe1 Qe1 30.Re1 Ra8 31.h4 Kf8 32.Ra3 Rd3 33.Ra4 c4 34.Bf1 Rc3 35.Re4 Bb5 36.Ra1 Ra6 37.Rae1 Ra5 38.Rf4 Kg8 39.Re7 Rc1 40.Rff7 c3 41.Rg7 Kf8 42.Rgf7 ½–½. Madebrink,Lars – Ivarsson,Stefan (2405), SWE–ch Ystad, 1981.

10.Nc3 Nc5 11.Nd2 Nf5 12.Nde4 Ne6 13.e3 Ne7 14.Na4 a6 15.Qb3 ab5 16.cb5 Bd7 17.Nac3 Kh8 18.a4 f5 19.Nd2 Nc5 20.Qc2 f4 21.ef4 Nf5 22.Nce4 Ne6 23.fe5 Nfd4 24.Qd1 de5 25.Nb3 Qe7? (better is 25...c6 26.Ba3 Rg8+/–) 26.Nd4 Nd4 27.Ba3 Qf7 28.Bf8 Rf8 29.Rc1 Bf5 30.Nc3 c6 31.bc6 bc6 32.Ne2 (better is 32.Ne4!?+–) 32...Bg4+/– 33.f3! Bf3 (33...Nf3 34.Kh1 Decoy; 33...Bf3 34.Nd4 Double attack (34.Nd4 Decoy)) 34.Bf3 (better is 34.Nd4 Bd1 35.Rf7 Rf7 36.Ne6+/–) 34...Nf3+= 35.Kg2 (better is 35.Rf3!? Qf3 36.Nc3 Qe3 37.Kh1+=) 35...Qd5–+ 36.Nf4 Nh4 37.Kh3?? (better is 37.Kg1 ef4 38.gh4 Bd4 39.Rf2 Bf2 40.Kf2–+) 37...ef4 38.gh4 (38.Kh4 f3 39.g4 f2–+) 38...f3 (better is 38...Re8 39.Qf3 Re3–+) 39.Qe1 (39.Rc4 Be5 40.Qd2 Qd7 41.Rg4–+) 39...Qf5 40.Kg3 Be5 41.Kf2 Qf4 42.Rh1 (42.Rc4 Qh2 43.Ke3–+) 42...Qh4 43.Kf1 Qh3 44.Kf2 Bd4 0–1. Toepper,O (1895) – Schirmer,W (1990), 105 Jahre FC St. Pauli Op, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7)

10.Nc3 Nc5 11.e3 e4 (11...a6 12.d4 ed4 13.ed4=) 12.de4+= Ne4 13.Nd4 Nc5 14.Qc2 Rb8 15.Rad1 Bd7 16.Nb3 Ne6 (16...Bf5 17.e4 Nb3 18.Qb3+=) 17.Ne4 f5 18.Bg7 Ng7 19.Nc3 b6 (19...Qe8+/–) 20.c5 (better is 20.Qd3!?+/–) 20...bc5= 21.Nc5 dc5 22.Bc6 Nc6 23.bc6 Rf7 24.Qd3 Ne8 25.cd7 Nd6 26.e4 fe4= 27.Ne4 Qd7 28.Qd5 Qf5+= 29.Qf5 Rf5 30.Nd6 cd6 31.Rd6 c4 32.Rc6 Ra5 33.Rc4 Ra2 34.Rfc1 a5+= 35.Rc7 a4 36.Ra7 Rf8 37.Rcc7 Rff2 38.Rc8 Rf8 39.Rcc7 Rff2 40.Rc8 Rf8 41.Rcc7 ½–½. Taggatz,Mario (2005) – Wehr,Stephan (2160), Landesliga S Bayern, 1995.

10.Nbd2 Nc5 11.Qc2 (11.d4 e4 12.Ne1 f5+=) 11...Ne6 (11...Re8 12.Rfd1=) 12.Nb3 f5 13.d4 (13.a4 a6=) 13...e4 14.Nfd2 c6 15.bc6 (15.a4 d5=) 15...bc6 (15...Nc6 16.e3=) 16.e3= Ba6 (16...a5 17.a4=) 17.f3 ef3 (17...d5 18.Ba3=) 18.Bf3 (18.Rf3 Rb8+=) 18...Qd7 19.Rfe1 (19.Rab1 Rab8=) 19...Ng5 20.Bg2 Rae8 21.Rac1 Nc8 (21...Qe6 22.Qc3=) 22.Na5 Bb7 (22...Ne7 23.Qa4=) 23.Nb7 (23.d5 c5+–) 23...Qb7+= 24.Rb1 Qa6 (24...Qd7 25.Qd3+=) 25.Bc3 Re7 26.c5 (26.Qd3 Rfe8+=) 26...dc5 27.Bf1 Qa3 28.Nc4 Nf3 29.Kf2 Ne1 (29...Qc3 30.Qc3 cd4 31.Qb3 Ne1 32.Re1+–) 30.Be1 (30.Na3? Nc2 31.Nc2 Nd6–+) 30...Qa6 (30...Re3 31.Na3 (31.Ne3?! f4 32.Qc4 Kh8+=) 31...Bd4 32.Bc4 Kh8 33.Kg2 Ra3 34.Bf2+–) 31.Na5 Qf1 (31...Qb6 32.Rb6 ab6 33.Nc6+–) 32.Kf1 cd4 (32...Re3 33.Bf2 (worse 33.Nc6 cd4 34.Nd4 Nb6+–) 33...Re6 34.Qc5+–) 33.Bb4 (33.Bb4 c5 34.Bc5+–) 1–0. Janzelj,Tim (2305) – Srebrnic,Ana (2215), Slovenian Championship Division, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7)

10.Nbd2 e4= 11.Nd4 ed3 12.ed3 Nf5 13.Nf5 Bb2 14.Rb1 Bf6 15.Ne3 a6 16.a4 ab5 17.ab5 (worse is 17.Rb5 c6 18.Rb1 Nc5–/+) 17...Nc5 18.Ne4 Bg7 19.Nc5 dc5 20.Bd5 Ra5 21.Qf3 b6 22.Rfe1 Qd6 23.Ng2 Bf5 24.g4 Bd7 25.Re2 Qf6 26.Qg3 Rc8 (26...Ra3!?+=) 27.Rbe1= Ra1 28.Bb7 (28.g5!? Re1 29.Ne1+=) 28...Re1= 29.Re1 Re8 30.Re8 Be8 31.h3 (better is 31.Ne3!? Qe5 32.Kg2=) 31...Qa1–/+ 32.Kh2 Be5 33.f4 Bd6 34.Qe3 Bd7 35.g5 Be6 (35...Kg7 36.Bf3–/+) 36.Bc6 (36.Bf3 h6 37.gh6 Qd4+=) 36...Qd4 37.Kg3 h6 38.h4 hg5 39.hg5 Qh8 40.Nh4? (better is 40.Bd5 Bd7 41.Bc6 Bc6 42.bc6+=) 40...Qh5–+ 41.Ng2 Qg5 42.Kf2 Qf6 43.Be4 Kg7 44.Qg3 Qb2 45.Kf3 f5 46.Bc6 Qd2 47.Ne1 Bf7 48.Qh4 Qb2 (48...Qd1 49.Kf2–+) 49.Ng2 Qc3 50.Ke2 Qb2 51.Kf3 Qd2 52.Ne1 Bf4 53.Qf4 Qe1 54.Qc7 Qh1 (54...Qd2 55.Bd5 Qd3 56.Kg2 Qe2 57.Kg1+=) 55.Ke3 (55.Ke2!? Qc1 56.Bd5 Qc2 57.Ke1 Qc3 58.Ke2 Qc2 59.Ke1 Qb1 60.Ke2 Qc2=) 55...Qe1 56.Kf3 ½–½. Lercel,M (2220) – Mucha,Piotr (2105), 25th Cracovia Open A, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7)

10.Nfd2 g5 11.e4 Ng6 12.Nc3 Nf6 13.Nd5 Nd5 14.cd5 f5 15.ef5 Bf5 16.Ne4 h6 17.Rc1 Rf7 18.Rc4 Qd7 19.a4 Bh3 20.Rc7 Qc7 21.Bh3 Nf8 22.Qb3 Bf6 23.Rc1 Qd8 24.Be6 Ne6 25.de6 Re7 26.Nf6 Kf8 27.Nd5 1–0. Michalek – Seymer, 1992.

10.d4 a6 =.

10.d4 ed4 11.Nd4 Nc5 (11...Re8 12.Nd2=) 12.Nc3 (12.Bc3 d5 13.Nb3 Nb3 14.Qb3 d4+=) 12...Nf5 (12...a6 13.Nb3=) 13.Nb3 Ne6 (13...Nd7 14.e4 Ne7 15.Qc2=) 14.e3 h5 (14...a5 15.a4+=) 15.Qe2 h4 (15...a6 16.Nd5+=) 16.Nd5 hg3 (better is 16...Re8+=) 17.h3 (17.fg3 Qg5+/–) 17...Ne7 (better is 17...Qh4+=) 18.Bg7 (18.fg3 Nf5 19.Bg7 Kg7 20.Qb2 Kh6+/–) 18...Kg7+= 19.Qb2 f6 20.Rfd1 (better is 20.fg3 Nd5 21.cd5+=) 20...Nd5+= 21.Rd5 Qe7 (21...gf2 22.Qf2 Qe7 23.Qg3–/+) 22.Qc3 (22.fg3 Ng5 23.h4 Qe3 24.Qf2 Nh3 25.Bh3 Qf2 26.Kf2 Bh3–/+) 22...Rh8 (22...gf2 23.Kf2 Rh8–/+) 23.c5? (23.fg3 a6=) 23...dc5 (23...Nc5 24.Nc5 Bh3 25.Qd3 Bg2 26.Kg2 gf2 27.Rf1= (27.Nb7 Qe6 28.Rf1 Qg4 29.Kf2 Rh2 30.Ke1 Ra2–+)) 24.Nc5 (24.fg3 a6 25.ba6 b6+=) 24...Nd8 (better is 24...c6!? 25.bc6 gf2 26.Kf2 bc6 27.Ne6 Be6–/+) 25.Rad1= c6?? (better is 25...gf2 26.Kf2 Kh6= (26...Bh3?? 27.Bh3 Rh3 28.Rd7+–)) 26.Rd7!+– Bd7 27.Rd7 Qd7 28.Nd7 Rf8 29.Nf8 (29.Nf8 Kf8 30.bc6 bc6 31.Bc6 gf2 32.Kf2+–) 1–0. Ruiz Quevedo,Andres (1915) – Alfaya Marcelo,Roberto (1740), Madrid ESP, 3rd Gonzalez Mem–B, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7)

10.Ne1 Nc5 11.e3 (11.d4 ed4 12.Bd4 Bd4 13.Qd4 Nf5=) 11...Ne6 (11...a6 12.a4=) 12.Nc2 (12.Nd2 a6=) 12...c5 (12...f5 13.Nc3=) 13.Nd2 (13.Nc3 h6+=) 13...Rb8 14.f4 ef4 15.Bg7 Ng7 (15...Kg7 16.gf4 d5 17.Qe1 dc4 18.dc4+=) 16.ef4 (16.Rf4 d5+=) 16...d5 17.Nb3 (17.Ne3 dc4 18.dc4 Qd4=) 17...b6 18.cd5 (18.Qf3 Bb7 19.Qe2 Re8=) 18...Nd5 19.Qd2 (19.d4 c4 20.Nd2 Nc3=+) 19...Bf5 20.Rad1 (20.Na3 Rc8=+) 20...Be6 (20...Re8 21.Rfe1=+) 21.Rfe1 (21.Na3 Nf5 22.Nc4 Nb4=+) 21...Nc7 22.Bc6 Qf6 (22...Bd7 23.Bd7 Qd7 24.a4=+) 23.Re5 (23.d4 c4 24.Nc1 Bg4+=) 23...a6 24.ba6? (better is 24.Qc3 Rbc8 25.a4=) 24...Bb3–+ 25.a7 Rbd8 26.Bb7 (26.ab3 Qc6 27.Qg2 Qd6–+) 26...Ba4 27.Rb1 Na8 (27...Nf5 28.Ne3 Nd4 29.Be4–+) 28.Ne3 Bc6 29.Nd5?? (29.Ng4 Qd6 30.Bc6 Qc6 31.Qe2–+) 29...Rd5 (30.Bc6 Qc6–+) 0–1. Hammer,JL – Gabrielsen,T (2220), Open, Bergen NOR, 2002.

10.Ne1 h6 11.Nd2 =.

10.e3 f5 11.a4 h6 12.Nfd2 f4 13.ef4 ef4 14.Bg7 Kg7 15.Nc3 Nf6 16.Qc2 Nf5 17.Nd5 g5 (17...Nd5 18.Bd5 Qf6 19.Nb3=) 18.Qc3+= Be6 (18...Kh7 19.Rae1+=) 19.Nf6 (19.gf4 g4+-) 19...Qf6 20.Qf6 Kf6 21.Bb7 Rab8 22.Be4 Rfd8 23.Rac1 Nd4 24.Rfe1 g4 (24...Re8!?+/-) 25.gf4+- h5 26.f3 Rg8 (26...c5 27.Kf2+-) 27.Kf2 h4 28.Ke3 Nf5 29.Bf5 Bf5 30.Ne4 (30.fg4 Rg4 31.Ne4 Be4 32.de4 Rg2+-) 30...Kf7 (30...Be4 31.fe4 (31.Ke4?! g3+/-) 31...g3 32.hg3 Rg3 33.Kd4+-) 31.Rg1 Rbe8 32.Rc2 (32.fg4 Rg4 33.Rg4 Bg4+-) 32...gf3 33.Kf3?? (better 33.Rg8 Rg8 34.Ng5 Kg6 35.Nf3+-) 33...Rg1-+ 34.Ng5 (34.Kf2 Rh1 35.Ke3 Re1 36.Kd4 Be4 37.de4 R8e4 38.Kd5 Rf4-+) 34...Kg6 (34...Kf6 35.Ne4 Be4 36.de4 Rf1 37.Ke3 Re1 38.Kd4 R8e4 39.Kd5 Rf4 40.Kc6-+) 35.Rd2 (35.Kf2 Ree1 36.Re2 Rgf1 37.Ke3 Re2 38.Ke2 Rf4-+) 35...h3 (better 35...Bg4 36.Kf2 Ree1-+) 36.d4 (36.Ne4-+) 36...Bg4 37.Kf2 Rg2 38.Kf1 Rd2 39.c5 (39.f5 Kg5 40.a5 Ree2 41.b6 Rd1) 39...Rd1 (39...Ree2 40.Nf3 Bf3 41.f5 Kf5 42.cd6 Rd1) 40.Kf2 Re2 41.Kg3 Rg1 (41...Kh5 42.f5 Kg5 43.b6 Rg1) 42.Kh4 Bc8 43.Nf3 (43.f5 Bf5 44.cd6 Rg5 45.dc7 Re4) 43...Rg4 44.Kh3 Rf4 (44...Rg5 45.f5 Bf5 46.Kh4 Re4) 45.Kg3 Rf3! 46.Kf3 Rh2 47.a5 (47.Ke4 dc5 48.dc5 Rh4 49.Ke3 Ra4-+) 47...dc5 48.dc5 Ra2 49.b6 ab6 (49...Ra5!? 50.ba7 Bb7 51.Ke3 Rc5 52.Kd4-+) 50.ab6 cb6 51.cb6 Ra4 0-1. Vidic,Teja (2175) - Ruzic,Pia Marie (2025), Tajfun Challenge Women, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

10.e4 Nc5 11.d4 Ne4 (11...ed4 12.Nd4 a6 13.Nc3=) 12.Qe2 Nf6 (12...f5 13.de5 d5 14.Rd1+=) 13.de5 de5 14.Rd1 Qe8 15.Be5 Nf5 16.Qb2 Qe7 17.Na3 Nd7 (17...a6 18.Re1 Be6 19.Rad1+=) 18.Bg7 Ng7 19.Re1 Ne6 20.Rad1 Qf6 21.Qb1 Ndc5 22.Nc2 a6 23.Nb4 ab5 24.cb5 Qg7 25.Nd5 Ra5 26.Ne5 Kh8 27.Re3 Ra4 28.Nc3 Rd4+= 29.Rde1 Rfd8 30.h4 Rd2 31.a4 R2d4 32.a5+= Rd2 33.Qb4 R2d4 34.Qb1 Rd2 35.Rf3 f5 36.Rfe3 R2d4 37.f4 Rd2+= 38.Rd1 Rd1 39.Nd1 Qe7 40.Qc1 Kg8 41.Nc3 Nb3 42.Qe1 Qc5= 43.Kh2 Nbd4 44.Rd3 c6 45.a6 ba6+= 46.bc6 Nc6 47.Nd5 Ncd4 48.Rc3 Qf8 49.Nc6 Nc6 50.Rc6 Qf7? 51.Qe5+– Bd7? 52.Nf6 Kf8 53.Nd7 Rd7 54.Re6 1–0. Novacek,Josef – Mindl,Josef, CZE–chT2b, 1995.

11.Nd2 Nf6 12.a4 Rb8 13.Nd5 b6 (13...Ned5 14.cd5 Qe7 15.Qc2=) 14.Qc2 Bb7 15.Nb3 White prepares a5 15...Kh8 16.Nb4 Bg2 17.Kg2 Qe8 18.a5 g5 (18...c6!? 19.ab6 A) worse 19...Rb6 20.Ra7 cb5 21.c5 dc5 22.Qc5+= (worse 22.Nc5 Nc6 23.Nc6 Qc6 24.f3 Nd5=+); B) 19...ab6 20.bc6 Nc6=) 19.ab6 ab6 20.d4 e4 21.d5 Qg6 (21...Qh5 22.Nd4+–) 22.f3 (22.Ra7 Ne8+–) 22...Qh6 (22...f4 23.Nd4+=) 23.Nd4 f4 24.g4 (24.fe4?? Ng4 25.Nf3 Ne3 26.Kg1 Nc2 27.Bg7 Qg7 28.Nc2 Qc3–+) 24...e3 25.Nbc6 (25.Ra7!? Rbc8 26.Ne6+–) 25...Nc6+= 26.bc6 Rf7 27.Ra7 Ng4? (better 27...Ne8+–) 28.fg4+– Qh4 (28...Be5 29.Rf3 Qf6 30.Qd3+–) 29.Kh1 (29.Ne6 Bb2 30.Qb2 Kg8+–) 29...Qh3 30.Raa1 (30.Rf3 Qg4 31.Ne6 Bb2 32.Qb2 Kg8 33.Rc7 Rc7 34.Nc7 Qf5+–) 30...Qg4? (30...Bd4 31.Bd4 Kg8+–) 31.Ne6 Be5 32.Rg1 Qf5 33.Qf5 Rf5 34.Be5 Re5 35.Ng5 Rf8 (35...Re7 36.Ra7+–) 36.Ra8! Ref5 (36...Ra8 37.Nf7) 37.Rf8 Rf8 38.Ne6 Rf7 39.Kg2 1–0. Raaste,Eero – Ziska,Bogi, Esbjerg Denmark, 1983. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7 10.Nc3 f5)

11.e3 Nc5 12.d4 e4? (better is 12...Ne6!?+=) 13.dc5+– ef3 14.Bf3 dc5 15.Qc2 Rb8 16.Rfd1 Qe8 17.Na4 b6 18.Nc3 Bb7 19.Nd5 (19.Bb7 Rb7 20.Rd2 Nc8+/–) 19...Bd5 20.Bd5 (20.Rd5?! Nd5 21.Bd5 Kh8+=) 20...Nd5 21.Rd5 Bb2 22.Qb2 c6 23.bc6 Qc6 24.Rad1 Rbe8 25.Rd7 Rf7 26.Rd8 Ref8 ½–½. Vigfusson,Vigfus Odinn – Courbiere,Jean Remy, ICCF World Cup8–9 prel–025, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3 Nd7)

11.e3 Bh6 12.Qc2+= g5 13.Nd2 f4 14.Nd5 Nf5 15.Rae1 g4 16.ef4+– ef4 17.Nf4 Bf4 18.Bd5 Rf7 19.gf4 Kf8 20.Ne4 Nh6 21.Ng5 Re7 22.Qc3 Ne5 23.fe5 Rg7 24.e6 Qg5 25.e7! Ke8 26.Bf7 1–0. Lange,Ca (2060) – Kittler,A (1815), 5th LGA Premium Cup, Nuernberg GER, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5 7.Bg2 Nc6 8.b5 Ne7 9.0-0)

11.e4 Nf6 12.Qe2 f4 (12...fe4 13.de4 Nd7 14.Rfd1=) 13.a4 (13.gf4 ef4 14.d4 Re8+=) 13...fg3= 14.hg3 Bg4 15.Qc2 Nd7 16.Ng5 h6 17.Nh3 c6 18.f3 Be6 19.Ne2 (19.f4 Qb6 20.Kh1 a6=) 19...c5 (19...Qb6!? 20.Kh1 Rae8=) 20.f4= Bh3 (20...a6 21.Rf2=) 21.Bh3+= Kh7 22.f5 (22.a5 Qc7+–) 22...gf5+= 23.ef5 Bf6 24.Bg2 Rb8 25.Kf2 Nf5 26.Be4 Bg5?? (26...Bg7 27.Kg2 Kg8 28.Bf5 Qc7+–) 27.g4 (better 27.Ke1+–) 27...Be3 28.Kf3 Bd4 (28...Qg5 29.Bf5 Rf5 30.gf5+=) 29.Bf5 Kg7 30.Bd4 (30.Nd4 cd4 31.Ke2 Nc5+–) 30...ed4 (30...cd4 31.Ng3 Nc5+–) 31.Nf4 Ne5 (31...Qe7 32.Kg2 Rf7 33.Qd2+–) 32.Kg3 (32.Kg3 Re8 33.Ne6 Re6 34.Be6+–) 1–0. gbsrao (2380) – hobgoblin (2365), net–chess.com, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Nd7 10.Nc3 f5)

11.Ng5 Nf6 (11...Nc5 12.Na4+=) 12.f4 (better is 12.Qb3!?+/–) 12...ef4= 13.gf4 Ng4 14.Qb3 Ne3 15.Rf3 Ng2 16.Kg2 h6 17.c5 d5 18.Nh3 c6 19.a4 Be6 20.Nd1 Qd7 21.d4 Bf6 22.Ndf2 g5 (better is 22...Kh7 23.Nd3 g5–/+) 23.fg5+= hg5 (23...Bg5!? 24.Kh1 Kh7=) 24.Ng5!+/– Bg5 25.Rg3 Kf7 26.Rg5 Rg8 27.Rg8 (27.Rg3 Rg3 28.hg3 Rh8+/–) 27...Rg8 28.Kh1 f4 29.Rg1 Rh8 (better is 29...Bf5!?+/–) 30.Nd3+– Ke8 31.Ne5 Qd8 32.bc6 (better is 32.Bc1 Bf5 33.Bf4 Be4 34.Nf3+–) 32...bc6? (better is 32...Nc6 33.Nf3 Qe7+/–) 33.Bc1 Nf5 34.Bf4 Nd4 (34...Qc8+–) 35.Qb2 Nf5 (35...Qf6 36.Rg6 Qf5 37.Qd4 Rg8 38.Rg8 Bg8+–) 36.Nc6 d4 37.Nd8 Bd5 38.Rg2! Rg8 (38...Bg2 39.Kg2 Combination) 39.e4! (39.e4 Be4 40.Qb5 Ke7 41.Nc6 Kf6 42.Be5 Ke6 43.Bg3+–) 1–0. Vokroj,Rene (2330) – Hangweyrer,Roman (2185), AUT–chT2O, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 Nd7)

10.Qb3 c5 11.bc6 bc6 12.Nc3 Nc7 13.Rac1 Ne6 14.Na4 Qc7 15.e3 Rb8 16.Qc2 f5 17.Bc3 g5 18.Nd2 f4 19.Qd1 Nf5 20.Qe2 Bd7 21.Ne4 c5 22.Nb2 g4 23.Qg4 fe3+= 24.Ng5 Ng5 25.Qg5 Kh8 26.Qh5 ef2 27.Rf2 Bh6 28.Bd2 Bd2–/+ 29.Rd2 Nd4 30.Nd1 Bc6 31.Ne3 Bg2 32.Rg2–/+ Qg7 33.Rf1 Rf1 34.Nf1 Ne6 35.Rf2 Nf4–/+ (35...Nf4 36.Qh4 Nd3–/+) 0–1. Godoy Bugueno,David A – Ader Hausman,Walter, Santiago Santiago de Chile, 1965.

10.Qb3 h6 11.Nc3 Kh7 12.Rad1 f5 13.e3 Be6 14.Qc2 Qd7 15.Nd2 c6 16.bc6 bc6 17.Ne2 Rb8 18.d4 e4 19.Ba3 Nf6 20.Rb1 Bf7 21.Nb3 g5 22.Nd2 Bg6 23.Rb3 Rb3 24.Qb3 Rf7 25.Rb1 Nc8 26.Qc2 Qe6 27.Rb3 d5 28.c5 Ne7 29.Rb7 Bh5 30.Nf1 Ng6 31.Rf7 Qf7 32.Bc1 Qb7 33.Nc3 Qa6 34.Bh3 Ne7 35.Nd2 Bg6 36.Bf1 Qc8 37.Ne2 Nh5 38.Bh3 Qa6 39.Nb3 f4 40.g4 Nf6 41.ef4 e3 42.f5 ef2 43.Kf2 Ne4 44.Ke1 Bf7 45.Ng3 Ng3 46.hg3 Ng8 47.Bf1 Qb7 48.f6 Bg6 49.Bd3 Bd3 50.Qd3 Kh8 51.fg7 Qg7 52.Qf5 Qb7 53.Bd2 Kg7 54.Ba5 Nf6 55.Nd2 Ne4 56.Bd8 Qb4 57.Qd7 Kg8 58.Qe8 Kg7 59.Qe7 Kg8 60.Qe6 Kg7 ½–½. Broomes – Belkadi, Buenos Aires, 1978.

10.Qb3 Kh8 11.a4 f5 (11...Nf6 12.Nc3+/–) 12.c5 Nf6 13.Ng5 Ned5 14.cd6 cd6 (14...Qd6? 15.Ba3 c5 16.bc6 Qc6 17.Rc1+–) 15.Bd5 Nd5 16.Qd5 Qg5 17.Qd6 f4 18.Nc3 Bh3 19.Ne4 Qh5 20.Rfe1 (20.Rfc1 Rae8 21.f3 fg3 22.hg3 Bh6+/–) 20...Rad8 (20...f3!? 21.e3 Bf5+=) 21.Qe7+/– Rd7 22.Qg5 Qg5 23.Ng5 Bf5 24.Nf3 (24.Rac1 fg3 25.hg3 Bf6+/–) 24...fg3+= 25.hg3 Re7? (better is 25...Re8+=) 26.Ba3+– e4 (26...Rfe8 27.Be7 Re7+–) 27.Be7 Re8 (27...Rf7 28.de4 Ba1 29.ef5 Re7 30.Ra1 Re2 31.Rc1 gf5 32.Rc8 Kg7 33.Ra8+–) 28.de4 (28.de4 Bg4 29.Rad1+–) 1–0. Ramon Serrano,FJ (2140) – Martinez Perez,S (1930), Santa Eulalia ESP, 8th Open, 2014. (=1.b4 Nf6 2.Bb2 d6 3.g3 e5 4.d3 g6 5.Bg2 Bg7 6.Nf3 Nc6 7.b5 Ne7 8.c4 0-0 9.0-0 Ne8)

10.Nc3 f5 11.Nd2 c6 12.a4 Nc7 13.a5 d5 (13...a6!?+=) 14.a6+/– cb5 (14...e4!? 15.ab7 Bb7 16.bc6 Bc6 17.cd5 Ned5 18.Nd5 Bb2 19.Nc7 Ba1+/–) 15.cd5+– ba6 16.Qb3 Rf7 17.Ba3 Ned5 18.Nd5 Be6 19.e4 a5 20.Rac1 Bh6 21.Rc2 a4 22.Qb2 Nd5 23.ed5 Bd5 24.Nf3 Bg7 25.Qb5 Rb8 26.Qa6 Rd7? (better is 26...Bf6+–) 27.Rfc1 Rb6 28.Qa4 Rb8 29.Rc5 Kh8 (29...Bb3 30.Qa6 Rd6 31.Rc6 Rc6 32.Rc6+– (worse is 32.Qc6 Bf6+–)) 30.Bb2! Bf3 (30...Rb2 31.Rc8 Combination) 31.Bf3 (31.Be5 Be5 32.Re5 Bg2 (32...Rd3?? 33.Bf3 Kg7 34.Qa7 Rd7 35.Qe3+–) 33.Kg2 Rd3+/–) 31...Rd3 (31...Rb2?? 32.Rc8 Rd3 33.Qa7+–) 32.Qa1 (worse is 32.Qa7 Rf3 (32...Rb2?? 33.Rc8 Rbd2 34.Qf7+–) 33.Rc7 Ra8+– (33...Rb2 34.Rg7 Qf8 35.Rh7 Kg8 36.Rcc7 Rb1 37.Kg2 Rf2 38.Kh3 Rh2 39.Kh2 Rb2 40.Kh3 g5 41.Rcg7 Qg7 42.Qg7)) 1–0. Poleschi,Ricardo D – Palma Espinoza,R, UECC2–ECLIPSE1, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4)

10.Nbd2 a6 11.d4 ab5 12.cb5 ed4 13.Bd4=.

10.Nbd2 e4 11.Nd4+= Nf5 12.e3 (12.N2b3 e3+=) 12...Nd4 (12...ed3 13.Qb1+=) 13.Bd4 Bd4 (13...ed3 14.Ne4+=) 14.ed4 ed3 15.Nb3 Nf6 16.Qd3 Bf5 17.Qd1 Rb8 18.Re1 d5 19.cd5 Nd5 20.Re5 (20.Rc1+–) 20...Nb4? (better 20...c6!?+=) 21.Qd2+– f6? (better 21...Qd6 22.Nc5 a5 23.Nb7 Qb6 24.Rf5 gf5+–) 22.Rf5 (22.Qb4?! fe5 23.de5 Qe8=) 22...gf5 23.Qb4 Re8 (23...c6 24.bc6 bc6 25.Qc4 Kh8 26.Qc5+–) 24.Nc5 Qd6 (24...c6 25.Qc4 Kh8 26.bc6 bc6 27.Bc6+–) 25.Qc4 Kg7 (25...Kh8 26.Nb7 Qb6 27.Bc6+–) 26.Nb7 Qb6 27.Nc5 (27.Bc6 Re7 28.Nc5 Qa5+–) 27...Re7 (27...Qb5 28.Ne6 Re6 29.Qe6+–) 28.Bc6 Qa5 29.Ne6 Kh8 30.d5 Rg8 31.Rd1 Qa3 32.Rd3 Qd6 33.f4 (33.Qd4 Rg6+–) 33...h5 34.Qd4 Rg6 35.Re3 Kg8 (35...h4 36.Qa7 hg3 37.hg3+–) 36.Qa7 Kf7 (36...Kh8 37.Qa3+–) 37.Qd4 (37.b6!? cb6 38.Be8 Kg8+–) 37...Rg8 (37...h4 38.Qd3 hg3 39.Rg3+–) 38.a4 h4 39.a5 hg3 40.hg3 Rg6 (40...Kg6 41.Qd3 Rh7 42.Qa3+–) 41.a6 Rg8 42.a7 Rh8 (42...Kg6 43.a8Q Ra8 44.Ba8+–) 43.a8Q (43.Qa4!? Re6 44.de6 Kg7+–) 43...Ra8 44.Ba8 1–0. Velioniskis,Robertas (1995) – Gucaga,Augustas, Baltic Amateurs Open, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Ne8)

10.Qb3 h6 11.Nc3 Be6 12.Nd2 Rb8 13.a4 Qd7 14.Ba3 f5 15.Rac1 f4 16.a5 Nf5 17.Nde4 Nd4 18.Qd1 Bh3 19.c5 Bg2 20.Kg2 f3 21.ef3= Rf3 22.cd6+/– Qh3 23.Kh3 Nf4 24.Kh4 g5?? 25.Kg4+– h5 26.Kg5 Nde6 27.Kh4 Ng6 28.Kh5 Ngf4 29.Kg4 (29.Kg4 Rd3 30.Qb3 cd6 31.gf4+–) 1–0. Nielsen,Peter Heine (2260) – Ejsing,Esben, DEN–chB Denmark, 1988. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Nh5)

10.Qb3 h6 11.Nbd2 f5 12.e3 Be6 13.a4 Qd7 14.Qc2 g5 15.Ne1 c6 16.f3 f4 17.ef4 Nf5 18.Rf2 ef4 19.g4 Ne3 20.Qc1 Nf6 21.Nf1 Ng2 22.Rg2 Rfe8 23.Bc3 d5 24.Qb2 Qf7 25.Nd2 Rad8 26.Rc1 Rd7 27.Be5 Rde7 28.c5 Bg4 29.d4 Bh3 30.Re2 Nd7 31.Nd3 Bf5 32.Qc3 Bd3 33.Qd3 Ne5 34.de5 Re5 35.Re5 Re5 36.Nf1 Qf5 37.Qb3 Re2 38.bc6 bc6 39.Qd1 Rb2 0–1. Botta,W – Fette,M, BL, 1981. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Nh5)

10.Qc2 a6 A) 11.Nbd2 Bg4 (11...Re8 12.a4 Bg4 13.Rfe1 Nf6 14.Ng5 h6 15.Nge4) 12.a4 Qd7 13.Rfe1 Rab8 14.Bc3 Rfd8 15.e3; B) 11.Nc3 ab5 (11...Bd7 12.a4 Nf6 13.d4 ed4 14.Nd4 Rb8 15.Rfd1) 12.cb5 c6 13.a4 Re8 14.bc6 bc6 15.Rab1; C) 11.a4+= Bg4 (11...Re8 12.Nc3 Nf6 13.Ng5 Nf5 14.e3 Rb8 15.Bf3) 12.Nc3 Nf6 13.Ng5 c6 14.h3 Bd7 15.Nce4.

10.Qc2 Re8 A) 11.a4 Bg4 (11...Nf6 12.Nbd2 a6 13.Rfe1 c5 14.Ng5 Qc7 15.e3) 12.Nc3 Nf6 13.Ng5 Rb8 14.a5 a6 15.e3; B) 11.Nbd2 Bg4 (11...Nf6 12.c5 a6 13.b6 Ned5 14.Nc4 dc5 15.bc7) 12.Rfe1 a6 13.a4 Qc8 14.Ne4 Nf6 15.Nf6; C) 11.Nc3 Bg4 (11...Bd7 12.Rfd1 Rb8 13.a4 Nf6 14.e4 c5 15.a5) 12.e3 Nf6 13.Ng5 c6 14.Qb3 Qc7 15.Rac1.

10.Qc2 f5 11.Rd1 (11.Qb3 a6 (11...Qd7 12.Nc3 Nf6 13.c5 Qe6 14.Qa3 d5 15.b6) 12.a4 c5 13.bc6 Nc6 14.Nc3 Be6 15.Rac1; 11.Nc3 Bh6 (11...Bf6 12.Bc1 a6 13.a4 e4 14.de4 fe4 15.Ng5) 12.e3 a6 13.a4 Bd7 14.Qb3 Be6 15.Rfe1; 11.a4 f4 (11...Bd7 12.c5 e4 13.Nd4 d5 14.Qb3 Rf7 15.Na3) 12.Nc3 Bg4 13.a5 a6 14.Qb3 Nf5 15.c5) 11...f4 (11...Bh6 12.Nc3 a6 13.Bc1 f4 14.a4 Kg7 15.Bb2) 12.a4 (12.Qb3 c5 13.bc6 bc6 14.c5 Nd5 15.Nd4) 12...h6 (12...Bg4 13.Nc3 Nf5 14.a5 a6 15.Qb3) 13.a5 Rb8 (13...Nf6 14.Nc3 a6 15.d4) 14.c5 (14.Nc3 Be6 15.a6) 14...b6 (14...Be6!?+= 15.Nc3) 15.ab6+/– ab6 16.cb6 (16.cd6 cd6 17.Qb3 Rf7+/–) 16...cb6 (16...c6!? 17.Ra7 Rb6+=) 17.Qb3+/– Kh8 18.Nbd2 g5 (18...Bb7!?+/–) 19.d4+– g4 20.Nh4 fg3 (20...ed4 21.Ne4 d5 22.Bd4 Bd4 23.Rd4+–) 21.hg3 Qe8? (21...ed4 22.Ra7 Bd7+–) 22.Ra7 Bf5 23.Be4 (23.de5 Nc8 24.Rc7 Be6+–) 23...Be4 (23...Bh7 24.Bh7 Kh7+–) 24.Ne4 Nc8 (24...Nf5 25.Nf5 Rf5 26.Nd6+–) 25.Rc7 ed4 26.Qd5 (better is 26.Rd4 Kh7+–) 26...Nf6 27.Nf6 Bf6 28.Bd4 h5 29.Qf5 (29.Qf5 Qe7 30.Ng6 Kh7 31.Ne7 Kh8 32.Ng6 Kg8 33.Qd5 Rf7 34.Qf7) 1–0. Pena,Hugo – Caballero,Mitzy, Lima PER, Morales Mem Open, 2013.

10.Qc2 Nf6 A) 11.a4 Re8 (11...Bf5 12.Nbd2 Qd7 13.c5 Rad8 14.e4 Be6 15.Nc4) 12.Nc3 Rb8 13.a5 a6 14.Ng5 Nf5 15.e3; B) 11.Nc3 a6 (11...Rb8 12.Qd2 Bd7 13.a4 c5 14.Ng5 Qa5 15.Qc2) 12.a4 Bg4 13.Ng5 c6 14.h3 Bd7 15.Nce4; C) 11.Nbd2 Bd7 (11...a6 12.a4 Bd7 13.Bc3 Ng4 14.Rfb1 Rb8 15.Ra3) 12.a4 Qc8 13.Bc3 c5 14.e3 Re8 15.Ne4.

10.Qc2 Bg4 A) 11.a4 Nf6 (11...Qd7 12.Nc3 Rab8 13.a5 a6 14.b6 cb6 15.ab6) 12.Nc3 Rb8 13.Ng5 Qd7 14.f3 Be6 15.e4; B) 11.Nc3 Nf6 (11...Rb8 12.Rad1 a6 13.Ne4 Qd7 14.d4 f5 15.Nc3) 12.a4 Rb8 13.e4 Qd7 14.Ne2 c5 15.a5; C) 11.Nbd2 Qd7 (11...a6 12.a4 Qd7 13.Rfe1 Rab8 14.Bc3 Rfd8 15.e3) 12.Rfe1 c6 13.a4 Qc7 14.Bc3 d5 15.e3.

10.Nc3 f5 11.Qb3 Kh8 12.c5 h6 13.cd6 cd6 14.Rac1 g5 15.Ba3 Rf6 16.Nd2 Bf8 17.Nc4 Ng7 18.Qa4 Ne8 19.Rc2 h5 20.Rfc1 Rh6 21.Nd5 Nd5 22.Bd5 Nf6 23.Bg2 Rh7 24.Nd6! Bd6 25.Bd6 Qd6 26.Rc8 Rc8 27.Rc8 Kg7 28.Bb7 Qb6 29.Qa6 1–0. Akopian,Vladimir (2695) – Bykov,Alexey (2345), 1st Grande Europe Open, 2012.

10.Nc3 h6 11.Nd2 f5 12.a4 Rb8 13.Rc1 Be6 14.Rc2 f4 15.Nce4 Qd7 16.Re1 Bh3 17.Bh1 Nf5 18.Nf3 g5 19.d4 g4 20.de5 fg3 21.hg3 gf3 22.Bf3 Nhg3 23.Ng3 Ng3 24.fg3 Be5 25.Be5 de5 26.Qd5 Be6 27.Qe5 Rf5 28.Qe3 Rg5 29.Rd2 Qf7 30.Red1 Rf8 31.Rd8 Rg3 32.Kf2 Rg6 33.Qe5 Bh3 34.Rf8 Qf8 35.Qc7 Rg2 36.Ke3 Qa3 37.Rd3 Qc1 38.Ke4 Bf5 39.Kf5 Qg5 40.Ke4 Qg6 41.Ke3 1–0. Akesson – Marttala, 1980.

10.c5 h6 11.cd6 cd6 12.Na3 Be6 13.Nc4 f5 14.Ba3 e4 15.Nfd2 Ba1 16.Qa1 d5 17.Ne5 Kh7 18.de4 fe4 19.Nb3 Nf6 20.h3 Nd7 21.Rc1 Rf5 22.Be7 Qe7 23.Rc7 Qd6 24.Nd7 Qc7 25.Nf6 Rf6 26.Qf6 Qf7 27.Qd4 b6 28.Qe3 Qd7 29.Nd4 Bh3 30.Bh3 Qh3 31.Qf4 Qd7 32.Nc6 a6 33.a4 ab5 34.ab5 Ra2 35.Ne5 Qf5 36.Qf5 gf5 37.Nd7 Re2 38.Nb6 d4 39.Kf1 Rb2 0–1. Young,D – Oppedal, Camiella, 1973.

10.e4 f5 11.Nbd2 f4 12.Qb3 h6 13.c5 Kh7 14.cd6 cd6 15.d4 g5 16.de5 de5 17.Rad1 Ng6 18.Nc4 Qc7 19.b6 Qf7 20.Qb4 ab6 21.a3 g4 ½–½. Rudolf,Herbert (2225) – Kuthan,Andreas (2235), AUT–chT2O, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5 7.Bg2 Nc6 8.b5 Ne7 9.0-0 Nh5)

10.Nh4 f5 11.Nd2 f4 12.Ne4 h6 13.e3 Be6? 14.ef4 ef4+/– 15.Bg7 Kg7 16.Bf3+/– Nf6 17.Nf6 Rf6 18.Bb7 Rb8 19.Be4 d5+= 20.Bf3 fg3 21.fg3 dc4 22.Be4 Qd4 23.Kg2 Rb5 24.Rf6 Qf6 25.dc4 Bc4 26.Rc1 Rb2 27.Rc2?? Nd5!! 28.Bd5 Rc2 (28...Rc2 29.Kh3 Bf1 30.Bg2 Qe6 31.Qg4 Qg4 32.Kg4 Bg2 33.Ng2 Rg2–+) 0–1. ncc_1701 – Kapote, ChessWorld.net, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.c4 Nc6 8.b5 Ne7 9.d3 Nh5)

11.Nc3 f5 12.e3 h6 13.Nd2 g5 14.f4 ef4 15.ef4 gf4 16.gf4 Ng6 17.Ne2 Qe7 18.Rae1 Qe3 19.Kh1 Qd2 20.Bg7 Ng7 21.Nc3 Nf4 22.Bf3 Nfe6 23.Nd5 Nd4 24.Qb1 Qg5 25.Bd1 Kh7 26.Rg1 Qh4 27.Re7 Rg8 28.Rc7 Nde6 29.Rf7 Rf8 30.Rgg7 Ng7 31.Rf8 Qe1 32.Kg2 Qd2 33.Kf1 Qg5 34.Qb2 f4 35.Nc7 Bh3 36.Ke1 Qg1 37.Kd2 Rf8 38.Nd5 Qg5 39.Bf3 Bf5 40.Qd4 Qh4 0–1. Young,D – Oppedal, Sacramento, 1972.

11.Nbd2 a6 12.a4+=.

11.Nbd2 f5 12.c5+= a6 13.cd6 cd6 14.Rfc1+=.

11.Nbd2 f5 12.c5 f4 13.a4 Rb8 14.Rac1 h6 15.cd6 cd6 16.Ne4 Nf6 17.Nd6 Qd6 18.Be5 Qe6 19.Qe6 Be6 20.Bb8 Rb8 21.gf4 Nfd5 22.e3 Nc3 23.Kh1 Na4 24.d4 Nd5 25.Ne5 Ndc3 26.Ng6 Kh7 27.Ne5 Nb5 28.Be4 Kg8 29.f3 Nac3 30.Bd3 Rf8 31.Rg1 a6? (31...Bf5 32.e4 Bh7 33.Rg4+–) 32.Rg6 (32.Rg2 Kh8 33.Ng6 Kg8 34.Nf8 Kf8+–) 32...Rf6? (better is 32...Bf7 33.Nf7 Kf7+–) 33.Rg3 Kf8 34.Rcg1 Bh8 35.Ng6 Rg6 36.Rg6 Bf7 37.Rh6 Bg7 38.Rb6 Bd5 39.Kg2 Bc6 40.Rc6! bc6 41.Ra1 Nd5+/– 42.Ra6 Ne3 43.Kf2 Nd5 44.Rc6 Nd4 45.Rc8 Ke7 46.Bc4 Nb4 47.Rc7 Kf6 48.Rf7 Kg6 49.Rb7 Nbc6 50.Bd5 Na5? 51.f5! Kh6 52.Rb6 Kh7 53.f6 Bf8 54.Rb8 Bc5 55.Be4 Kh6 56.Kg2 Ne6 57.h4 Bf8 58.Re8 Nf4 59.Kf1 (59.Kf1 Ng6 60.Bg6 Kg6 61.Rf8+–) 1–0. Schettler,Juergen (2170) – Kiefer,Daniel, RLP–chT, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Nh5)

11.Nbd2 f5 12.c5+= Rf6 13.Rac1 (13.Ng5 Qg8+–) 13...Be6 14.Qa3 (14.Qa4 h6+=) 14...h6 15.e4 g5 (15...Rf7 16.ef5 gf5 17.Nc4 Bc4 18.cd6 cd6 19.dc4+–) 16.cd6 (16.ef5 Bf5 17.Ne1 Bc8+–) 16...cd6+= 17.d4 Ng6 (17...g4 18.Nh4 ed4 19.f3+=) 18.de5 (18.Rfd1 Qb6+–) 18...de5 19.ef5 Bf5 20.Nc4 Re6 (20...a6 21.b6 (worse 21.Nfe5 ab5 22.Rfd1 Qe8 23.Ng6 Rg6+=) 21...Re6 22.Nfd2+–) 21.Rfd1 (better 21.Ne3 Bd3 22.Rcd1+–) 21...Qg8? (better 21...Qf8+–) 22.Ne3+– Be4 (22...Qf7 23.g4 Bg4 24.Ng4+–) 23.Ng5! Bg2 (23...hg5 24.Be4) 24.Ne6 Bf3 (24...Qe6 25.Kg2 Nf6 26.Rc7+–) 25.Ng7 (better 25.Rd6 Kh7 26.Ng7 Ng7 27.Rc7+–) 25...Qg7 (25...Ng7 26.Rd6 Qe8 27.Qd3+–) 26.Qd6 (26.Nf5 Qf7 27.Qf3 Ng7+–) 26...Nhf4?? (26...Bd1 27.Rd1 Rf8+–) 27.Rc7 Nh3 28.Kf1 Qf8 (28...Qc7 29.Qc7 Bd1 30.Nf5 Be2 31.Ke1 Rg8 32.Be5 Ne5 33.Qe5 Kh7 34.Qe7 Kg6 35.Nh4 Kh5 36.Qf7 Kg5 37.Qf5) 29.Be5 Ne5 30.Qe5 Kg8 31.Qe6 (31.Rdd7 Be2 32.Ke2 Qf2 33.Kd3 Qf7 34.Rf7 Nf4 35.gf4 Rd8 36.Rcd7 Rd7 37.Rd7 Kf8 38.Qh8) 31...Kh8 32.Qh3 (better 32.Rf7!? Be4+–) 32...Bd1 33.Qd7 (33.Qd7 Bc2 34.Nc2 Qf2 35.Kf2 Rf8 36.Ke3 Rf3 37.Kf3 Kg8 38.Qe8) 1–0. Salus – Guidarelli, Toulouse, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 e5 6.d3 0-0 7.Bg2 Nc6 8.b5 Ne7 9.0-0 Nh5 10.Qb3 Kh8)

11.Nbd2 f5 12.c5 h6 13.Rac1 f4 14.cd6+/– cd6 15.d4 Rf5?? 16.g4+– (16.g4 e4 17.Ne4+– (17.gf5?! ef3 18.Nf3 Nf5+–; 17.gh5?! ef3 18.Bf3 Qe8+/–)) 1–0. pierre – dragosdum, internet, 2008.

11.d4 ed4 12.Nd4 Nf6+=.

11.d4 e4 12.Ng5 f5 13.d5 Nd5 14.Bg7 Kg7 15.Nh7 Ne3 16.Nf8 Nf1 17.Bf1 Qf8 18.Nc3 Be6 19.e3 Nf6 20.Ne2 Ng4 21.Nf4 Qf6 22.Rc1 Rh8 23.h4 Bf7 24.Nh3 Ne5 25.Be2 Rd8 26.Ng5 Bg8 27.Qa3 Ra8 28.c5 d5 29.b6 cb6 (better is 29...a6!?+=) 30.cb6+– Nc6 31.Bb5 Qf8?? (better is 31...Qe7 32.Qa4 Rc8+–) 32.Qb2 d4 (32...Qf6 33.Qf6 Kf6 34.Bc6 ab6 35.Bb7 Ra2 36.Rc6 Kg7 37.Rb6+–) 33.Bc6 bc6 34.Qd4 Qf6 35.Qf6 Kf6 36.Rc6 Ke5 37.b7 Rd8 38.Rc8 Rd1 39.Kg2 (39.Kg2 Rb1 40.Rg8 Rb7 41.Rg6+–) 1–0. Poor,Istvan (2305) – Kosztolanczi,Gyula (2160), HUN–chT, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 Nh5)

10.a4 a6 11.Nbd2 Bg4 12.Ne1 Qc8 13.Nc2 Bh3 14.Ne3 Bg2 15.Kg2 Ng4 16.Ng4 Qg4 17.h3 Qe6 18.Bc3 f5 19.Qc2 c6 20.f3 (20.b6 d5=+) 20...d5 (20...f4 21.Ne4-/+) 21.bc6=+ bc6 22.Bb4 (22.e3 Rfe8=+) 22...Rfb8 (22...f4!? 23.Be7 Qe7 24.cd5 cd5-/+) 23.Rab1 h5 (better 23...f4!? 24.Be7 Qe7 25.cd5 cd5=) 24.Be7+= Qe7 25.cd5 cd5 26.Qc6 Rd8 (26...Qf7!? 27.Rb8 Rb8 28.Qa6 Kh7+=) 27.Qg6+/- h4 (27...Qf7 28.Qf7 Kf7 29.Rb7 Kg6 30.e4+/-) 28.Qf5 hg3 29.Qg4 Rf8 30.Rfc1 (30.e4 Rad8+/-) 30...Rae8 (30...Rf4!? 31.Rc8 Rc8 32.Qc8 Kh7+/-) 31.Rc6 Rf6 32.Rbb6 (32.Rf6 Qf6 33.a5 Qc6+-) 32...Rc6+/- 33.Rc6 Rf8 (33...Qa7 34.Qg3 Qe3 35.Qe1+-) 34.Rg6 Rf7 (34...a5 35.Nb3 (worse 35.Kg3 Rf4 36.Qc8 Kh7+-) 35...Rf4 36.Qc8 Rf8 37.Qc6+-) 35.Nf1 (better 35.Ra6 Qb7 36.Qg6 Kh8+-) 35...Kh7? (35...e4 36.de4 de4 37.Qc8 Kh7 38.Qa6 Qa7 39.Qa7 Ra7+-) 36.Ng3 (36.Qg3?! Bh6+-) 36...Bh6 (36...Rf6 37.Qh5 Kg8+-) 37.Qh5 Qf8 38.Re6 (38.Rh6!? Qh6 39.Qf7 Qg7 40.Qd5 Qf6+-) 38...Qg7 (38...Rf6 39.Qe5 Re6 40.Qe6 Qg8 41.Qd7 Kg6 42.Qc6 Kh7 43.Qb7 Qg7 44.Qd5 Bd2+-) 39.Rh6! Kg8 (39...Qh6 40.Qf7 Double attack (40.Qf7 Deflection; 40.Qf7 Overloading)) 40.Rg6 Kf8 41.Rg7 Rg7 42.Qe5 Re7 43.Qd5 Rd7 44.Qd7 (44.Qd7 Kg8 45.Nf5 Kf8 46.Qe7 Kg8 47.Qg7) 1-0. crazyKingAttack (2400) - Arifars17 (2550), Rated Bullet game, lichess.org, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3)

10.Qc2 Be6 11.Nfd2 (11.Nbd2 Qc8=) 11...Rb8 (11...c6 12.a4=) 12.Qa4 (12.a4=) 12...Qd7 (12...a6!?=) 13.Qa7+= Bh3 14.e4 (14.Nc3 Bg2 15.Kg2 c6+=) 14...Nh5 (14...Bg2 15.Kg2 Ng4 16.Qa3+=) 15.Nc3 (15.Bh3 Qh3 16.c5 d5+–) 15...g5 (15...Bg2 16.Kg2 f5 17.Qe3+=) 16.f3 (16.Bh3 Qh3 17.c5 Nf6+–) 16...Be6 (16...Bg2 17.Kg2 f5 18.Qf2+–) 17.Nd5 Ng6 (17...f5 18.Bh3+–) 18.a4 c6 (18...f5 19.b6 c6 20.Nc7+–) 19.Nb4 (19.Nb6 Qd8+–) 19...Bf6 (19...Nf6 20.Qb6+–) 20.bc6 bc6 21.Qd7 Bd7 22.Ba3 (22.Bc3 Rb7+–) 22...Ra8 23.Bb2 (23.Na2 Be7 24.Nc3 Rfb8+–) 23...Rfb8 (23...Rab8 24.Bc3 Rb7+–) 24.Bc3+= c5 Attacks the isolani on a4 (better 24...Bd8!?+=) 25.Nd5+– Ba4 (25...Bd8 26.a5+–) 26.g4 Nhf4 27.Nf6 Kg7 28.Nh5 (28.Nd5!? Bc2+–) 28...Nh5+– 29.gh5 Nf4 30.Ra3 Bc2 31.Ra8 (31.Rfa1 Ra3 32.Ra3 Bd3+–) 31...Ra8 32.Ra1 Rb8 (32...Ra1!? 33.Ba1 Bd3+–) 33.Bf1+– Rb6 (33...Kf6 34.Ra6 Ke6 35.Ba5+–) 34.Ra2 (34.Ra3 Kf6+–) 34...Bd3 35.Bd3 (35.Kf2 Kf6+–) 35...Nd3+– 36.Kf1 (36.Nf1 Rb3 37.Ba5 Nb4+–) 36...Nf4 37.Rb2 (37.Kf2 Nh5 38.Nf1 Nf4+–) 37...Ra6 (37...Rb2 38.Bb2 Kf6 39.Nb1+–) 38.Nb3 (38.Rb8 Kf6+–) 38...Ra3 (38...Nh5 39.Ba5+–) 39.Bd2 (39.Ba5 Kf6+–) 39...Nh5 40.Kg2 (40.Ba5 Nf4+–) 40...Nf6 (40...f5 41.ef5 Kf6 42.Nc1 Kf5 43.Rb6+=) 41.h3 (41.Na5 g4 42.Rb3 Ra4+–) 41...Kg6 (41...Nh5 42.Na5+–) 42.Na5 h5 Black intends g4 (42...Ne8 43.Nc6+–) 43.Nc6 (43.Rb3 Rb3 44.Nb3 Ne8+–) 43...g4 44.Ne7 Kh7 45.hg4 (45.fg4 hg4 46.hg4 Ne4+–) 45...hg4 46.fg4 Ne4 47.Be1 Ra4 (47...Re3 48.Kf1 Rf3 49.Ke2+–) 48.Rc2 Nf6 (48...Kg7 49.Kf3 Ng5 50.Kf2+–) 49.g5 (49.Kf3 Ra3 50.Bc3 Ne8+–) 49...Ne4+– 50.Bh4 Ra7 (50...Kg7 51.Kh3+–) 51.Kf3 (better 51.Re2 Re7 52.g6 (52.Re4?! Ra7+=) 52...Kg6 53.Be7+– (53.Re4 Ra7–/+)) 51...d5?? (better 51...Re7 52.Ke4 Re6+–) 52.cd5 (52.Nd5 Nd6 53.Bg3 Ra3 54.Kg4 f5 55.gf6 Ra4+–) 52...Nd6 (52...Ra4 53.Nc6+–) 53.Rc5 Kg7 54.Nc6 (54.Rc6!? Ra3 55.Kg4 Ra4 56.Kh5 Kf8+–) 54...Ra3 (54...Ra4 55.Be1 Ne4 56.Rc2 Ng5 57.Kg2 Rg4 58.Bg3+–) 55.Kg4 (better 55.Ke2 Ra2 56.Kd1+–) 55...e4 (55...Ra4 56.Kh3 Ra3 57.Kg2 Ra2 58.Kf1+–) 56.Ne7 (better 56.Bg3!? Ne8+–) 56...e3 57.Nf5 Nf5 58.Kf5 e2 59.d6 (59.Rc2 Ra5 60.Rd2 Rb5+–) 59...Rh3 (59...Rf3 60.Kg4 Rd3 61.Re5+–) 60.Be1 (60.d7 Rd3 61.g6 e1Q 62.Be1 fg6 63.Ke6 Rd7 64.Kd7 Kh7 65.Bd2 Kg7 66.Ke7 g5 67.Rg5 Kh7 68.Kf7 Kh6 69.Re5 Kh7 70.Rh5) 60...Rd3 61.Ke5 (better 61.Re5 Rd6 62.Bc3+–) 61...Rd1 62.Bh4 e1Q? (62...Kg6+–) 63.Be1 Re1 64.Kd5 Kg6 (64...Kf8 65.Rc8 Kg7 66.d7 Rd1 67.Kc6 Rc1 68.Kb5 Rb1 69.Kc4 Rc1 70.Kb4+–) 65.Kc6 (65.Kc6 Ra1 66.d7+–) 1–0. Humphreys,Michael (2175) – Qin,Zi Yi Joey (2195), 2012 Canadian Closed playoff, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 h6)

10.Nc3 Rb8 11.c5 dc5 12.Ne5 Ng4 13.Nc4 f5 (better is 13...Be6!?=) 14.Qa4 b6 15.Qa7 Be6 16.Qa4 g5 17.Qc2 Qe8 18.h3 Nf6 (18...Ne5 19.Ne5 Be5 20.a4+/–) 19.Ne5 f4 20.a4 (20.Rab1 Nd7 21.Nc4 Ne5+/–) 20...Nf5 (20...fg3 21.fg3 Nf5 22.Nc6=) 21.g4 (21.Nc6 Nd4 22.Qd2=) 21...Nd4= 22.Qd1?? (better is 22.Qb1=) 22…Bb3–+ (22...Bb3 23.Qd2 Qe5–+) 0–1. Peeters,Bart (1765) – Leentjens,Gilbert (1830), NBSB–chB Roosendal rapid, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.d3 0-0 7.Bg2 Nc6 8.b5 Ne7 9.0-0 h6)

10.c5 e4 11.cd6 (11.de4 Ne4 12.Bg7 Kg7 13.Qd4 Nf6+=) 11...Qd6 12.de4 Ne4 13.Bg7 Kg7 14.Qb3 (14.Qc2 f5+=) 14...Qf6 15.Nbd2 Nc3 16.e4 Ne2 (16...Be6 17.Qc2 Ne2 18.Kh1+–) 17.Kh1 Nd4 18.Qc4 (18.Qd3 Nf3 19.Nf3 a6+=) 18...Nf3 19.Nf3 (worse 19.Bf3 Rd8 20.e5 Qe5–/+) 19...c6 20.a4 Bg4 21.Ra3 (21.e5 Qe6 22.Qc5 b6=) 21...Rad8 22.Rd3 Be6 (22...Rd3 23.Qd3 Rc8 24.e5=) 23.Qc2 cb5 24.ab5 Rd3 25.Qd3 Rc8 (25...Bg4+=) 26.Qd6 White intends e5 (better 26.e5 Qf5 27.Qd6+–) 26...Bc4= 27.Qf6 Kf6 28.Ra1 (28.e5 Kg7 29.Rb1 Bd3–/+) 28...Bb5–/+ 29.e5 Kg7 30.Nd4 Bc6 (better 30...Ba6!?–/+) 31.Ra7= Bg2 (31...Bd7 A) worse 32.Bb7 Rc7–/+; B) 32.Rb7?? Rc1 33.Bf1 Bh3–+ (33...Rf1?! 34.Kg2 Re1 35.Rd7 Re5 36.Nf3=); C) 32.Nb3 Bc6 33.f4=) 32.Kg2+= Rb8 (32...Rc7 33.f4+=) 33.Ra5 (33.Kf3 f6+=) 33...Kf8 (33...Rd8 34.Ra4=) 34.Kf3 (34.f4 Nc6 35.Nc6 bc6=) 34...Ke8 (34...Rd8 35.Ra4=) 35.Ke4 Kd7 (35...Nc6 36.Rb5 Ra8 37.Nb3+= (37.Rb7? Ra4–+)) 36.f4 Rc8 (36...Nc6 37.Rd5 Ke7 38.Nb5+=) 37.Rb5+– Kc7 38.g4 White prepares f5 (38.Rb3 Rb8+–) 38...Ra8 39.e6 White prepares the advance f5 (39.f5 Ra4 40.fg6 fg6+=) 39...fe6 40.Ne6 Kc6 (40...Kd6!? 41.f5 Ra4 42.Nd4 gf5 43.gf5 Nc6 44.Rd5 Ke7=+) 41.Nd4+– Kc7 42.f5 gf5 43.gf5 Ra4 44.Ke5 Nc6 45.Nc6 bc6 46.Rb2 Ra3 (46...Kd7 47.Rb7 Ke8 48.f6+–) 47.Rd2 (47.f6 Rf3+–) 47...c5 (47...Re3 48.Kf6 Rf3+–) 48.f6 Rf3 49.Ke6 c4 (49...Rf1 50.Re2 c4 51.f7+–) 50.Rd4 (50.f7 Re3 51.Kf6 Rf3 52.Kg7 Kc6+–) 50...Re3 (50...c3 51.f7 Rf1 52.Rc4 Kd8 53.Rc3 Re1 54.Kf6 Rf1 55.Kg7 Rg1 56.Rg3+–) 51.Kf5 c3 52.f7 Rf3 53.Kg6 Kc6 54.Kg7 (better 54.Rc4!? Kd7+–) 54...Kc5 55.Rd8 1–0. Janzekovic,K (1990) – Zupancic,U (1950), 27th TCh–SLO (6), 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 h6)

10.c5 Be6 11.Nc3=.

10.Nbd2 a6 11.a4=.

10.Nbd2 Nh7 11.d4 ed4 12.Bd4 Nf5 (12...Nf6 13.e4+=) 13.Bg7 Ng7 14.Nd4 (14.a4 Re8+=) 14...Ng5 15.h4 (15.N2f3 Nf3 16.Bf3 Ne6+=) 15...N5e6= 16.N4b3 (16.e3 a6=) 16...Ne8 (16...Re8 17.Ne4=) 17.e3 (17.Nf3 a6+=) 17...Nf6 18.Ne4 (18.Na5 Rb8=) 18...Nd7 (18...Re8 19.Nbd2=) 19.Qc2 (19.Qd5 Nb6 20.Qd3 a6+=) 19...f5 (19...a6 20.Rfd1=) 20.Nc3+= g5 (20...Qe8 21.Nd4 Ndc5 22.h5+=) 21.hg5+– hg5 (21...Qg5 22.Nd5+–) 22.g4 (22.Nd4 Nd4 23.ed4 a6+–) 22...Ng7 23.Bd5 Kh8 (23...Kh7 24.gf5 Nf5 25.Be4+–) 24.Kg2 Nf6 (better 24...Kh7!?+–) 25.Rh1+– Nh7 26.Rh2 Ne8 27.Rah1 Threatening mate... how? 27...Nef6 28.Nd4 (28.Qb2 Qe7 29.Rh7 Nh7 30.Ne4 Qe5 31.Ng5 Kg7 (31...Qb2?? 32.Rh7) 32.Rh7 Kf6+–) 28...Qe8 29.Nf5 Qg6 (29...Qe5 30.Ng3 Qe7+–) 30.Ne4 Ng4 31.Rh7 (better 31.Ne7 Nh2 32.Ng6 Kg7 33.Nf8 Kf8 34.Nd6+–) 31...Qh7 32.Rh7 Kh7 33.Neg3 (33.Ng5!? Kh8 34.Qc3 Ne5+–) 33...Kh8 34.Qc3 (34.Qe4 Bf5 35.Nf5 Nf6+–) 34...Ne5 35.Ne7 (better 35.f4 Bf5 36.fe5 Kh7+–) 35...Rf6 (35...Re8 36.Nc8 Rac8+–) 36.f4! gf4 (36...Rf4 A pinning theme 37.ef4) 37.ef4 Rh6 (37...Rf4 38.Ng6 Kg7 39.Nf4 Kh6+–) 38.Nc8 Rc8 39.fe5 Kh7 40.Qd3 Kh8 41.Qf5 (41.Qf5 Rb8 42.Nh5+–) 1–0. Bleunven – Husson, France, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5 6.d3 0-0 7.Bg2 Nc6 8.b5 Ne7 9.0-0 h6)

10.Nfd2 a5 11.Nc3 Rb8 12.Qb3 Be6 13.Nd5 b6 14.e4 Nd7 15.Qc2 g5 16.Rae1 f5+= 17.f4 Bd5 18.ed5+/– g4 19.fe5 de5 20.c5 bc5= 21.a4 Nc8 22.Nc4 f4 23.Be4 Nd6 24.Na5 Qg5 25.Nc4 h5 26.Rf2 h4 27.Bc1 Rf6 28.Ref1 Rbf8+= 29.Nd6 cd6 30.a5 Qh5 31.b6 f3= 32.b7 Nb8 33.gh4 Qh4 34.Kh1 Bh6 35.Bh6= Rh6 36.Qd2 c4 37.Rg1+/– c3? 38.Rg4!!+– Qg4 39.Qh6 Rf7 40.Qd6?? Rb7–+ (40...Rb7 41.Qd8 Kg7–+) 0–1. Stopkin,V (2310) – Onischuk,V (2385), 4th V.Nabokov Mem, Kyiv UKR, 2006.

10.Nfd2 c6 11.bc6 Nc6 12.Nc3 Bg4 13.Rb1 Qd7 14.Ba3 Ne8 15.Qa4 Rc8 16.c5 d5 17.Nd5 Be2 18.Rfe1 Bd3 19.Rbd1 Kh8 20.Nc4 Bc4 21.Nb6 Qe6 22.Nc8 Ba2 23.Rd2 Nc7 24.Nd6 Bb3 25.Qh4 f5 26.Nb7 g5 27.Qh5 Nb5 28.Bb2 e4 29.Bg7 Kg7 30.g4 Bd5 31.gf5 Qf5 32.Nd6 Nd6 33.cd6 Ne5 34.Qe2 Nd3 35.Ra1 Nf4 36.Qe3 Qg6 37.Qg3 Qe6 38.Ra7 Kg6 39.Bf1 Rd8 40.h4 Rd6 41.hg5 hg5 42.Qh2 Qg4 43.Qg3 Qe6 44.Kh2 Qe5 45.Ra5 Qh8 46.Kg1 e3 47.fe3 Ne2 0–1. Davis – Toothill, corr, 1985.

10.Nfd2 Nd7 11.e3 f5 12.d4 e4 13.Nc3 c6 14.Qb3 Kh7 15.f3 ef3 16.Bf3 c5 17.Ne2 Nf6 18.Rad1 Qc7 19.Qd3 Be6 20.Nf4 Bd7 21.Nb3 Rad8 22.Rc1 Rfe8 23.Nd2 Bc8 24.Rfe1 Ng4 25.Bd5 (25.a3 Nf6+=) 25...Nf6 26.Bf7 Rf8 27.Be6 g5 28.Nd5 Nfd5 29.cd5 Be6 30.de6 Qc8 31.Qb3 b6 32.dc5 (32.Rf1!?=) 32...dc5 33.Bg7 Kg7 34.Nf3 Qa8 (34...Rf6!?=+) 35.Qc3 Rf6 36.Ne5 Nd5 37.Qb2 Kg8 38.Nc6 Rdf8? (better 38...Re6 39.Nd8 Qd8+–) 39.e7 R8f7 40.Qb3 (better 40.Qe5 Ne7 41.Ne7 Kh7 42.Nd5+–) 40...Nc7?? (better 40...Rc6 41.bc6 Ne7+=) 41.Rcd1 (41.Rcd1 Kg7 42.Rd8+–) 1–0. Schillinger,Klaus – Dietrich,Klaus, Verbandsliga Sued Baden, 1991. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 h6)

10.Nfd2 Nh5 11.Nc3+= f5 (11...Rb8 12.Rb1+=) 12.Qb3 (12.Qa4 Nf6+–) 12...c6 13.Rab1 (13.bc6 bc6 14.Rab1 Be6+–) 13...Be6 14.Ba3 (14.bc6 bc6 15.Ba3+–) 14...f4 (better 14...Rf7!?+=) 15.bc6+– bc6 16.Qb4 (16.Nde4!? c5+–) 16...c5+– 17.Qb7 Rc8 18.Qa6 (18.Nde4 fg3 19.hg3 Nf6+–) 18...fg3 (18...Nf6 19.Nb5 Nf5 20.Bb7+–) 19.hg3 Nf5 (19...Nf6!?+–) 20.Nde4+– Nf6 21.Bc5! Ne8 (21...Rc5 22.Nf6 Double attack; 21...dc5 22.Qe6 Double attack (22.Qe6 Pinning; 22.Qe6 Deflection)) 22.Ba3 (22.Ba7 Rf7+–) 22...h5 (22...Rf7 23.Nb5 Rd7 24.e3+–) 23.Nb5 (23.Qa7?! Ra8 24.Nf6 Nf6 25.Ba8 Qa8+=) 23...h4 (23...Rb8 24.c5+– (24.Qa7?! Ra8 25.Qa8 Qa8+–; worse 24.Ned6 Ned6 25.Nd6 Nd4+–)) 24.Nbd6 (24.Qa7 h3 25.Bh3 Ra8=) 24...Nd4 (24...Ned6 25.Nd6 Nd6 26.Bd6 Re8+–) 25.Nc8 Ne2 (25...Bc8 26.Rb8 Ba6 27.Rd8+–) 26.Kh2 Bc8 (26...Nc7 27.Ne7 Qe7 28.Be7 Na6 29.Bf8 Bf8 30.Rb7+–) 27.Rb8 Nc7 (27...Rf2 A) 28.Rf2?? hg3 29.Kh1 Qh4 30.Bh3 Qh3 31.Rh2 Qh2; B) 28.Nf2 hg3 (28...Ba6?? 29.Rd8 hg3 30.Kh1 gf2 31.Re8 Kf7 32.Re7 Kf6 33.Rf2 Nf4 34.Bd5+–) 29.Kh1 Qh4 (29...Ba6 30.Rd8 gf2 31.Re8 Kh7 32.Rf2 Ng3 33.Kh2+–) 30.Nh3 Bh3–+ (30...Ba6? 31.Re8 Kh7 32.Rf7+–); C) 28.Rc8 hg3 29.Kh3 Nf4 30.Kg4 Qd7 31.Kh4 Rg2 (31...Ng2?! 32.Kg3 Rf1 33.Kg2=) 32.Re8 Qe8 33.Rf4 ef4–+; D) 28.Qc8 hg3 29.Kh3 Nf4 30.Kg4 Qc8 31.Rc8 Rf1 32.Re8 Kh7 33.Bf1+–) 28.Qg6 Rf2 (28...Bf5 29.Rd8 Bg6 30.Bf8 Bf8+–) 29.Rc8 (29.Rf2 hg3 30.Qg3 Ng3+–) 29...Qc8 (29...hg3 30.Ng3 Qc8 31.Rf2 Qe8 32.Bd5 Nd5 33.Qe8 Kh7 34.cd5 a5 35.Qh5 Kg8 36.Qf7 Kh8 37.Nf5 Bh6 38.Nh6 e4 39.Qg8) 30.Rf2 hg3 31.Ng3 Nf4 (31...Qe8 32.Bd5 Nd5 33.Qe8 Kh7 34.cd5 Nf4 35.Nf5 Ne6 36.Qh5 Bh6 37.Qh6 Kg8 38.Ne7) 32.Rf4! ef4 (32...ef4 33.Nh5) 33.Nh5 (33.Nh5 Ne8 34.Ng7 Qh3 35.Kh3 Ng7 36.Bd5 Kh8 37.Qh6) 1–0. Lercel,Michal (2240) – Ongut,Tamas Gunes (2115), London Classic Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0 h6)

10.d4 ed4 11.Nd4 Re8=.

10.Ne1 c5 (10...a6 11.f4=) 11.bc6 (11.Qc2 a6=) 11...bc6 12.Nd2 Bg4 (12...Rb8 13.Rb1=) 13.c5 Rb8 14.Nb3 (14.Rb1 Ne8=) 14...Nfd5 (14...Be6 15.cd6 Qd6 16.Qc1=) 15.cd6 (15.Rb1 Re8=) 15...Qd6=+ 16.Nc2 Qd7 (16...Rfd8 17.h3 Bd7 18.Qd2=) 17.Re1 (17.Rb1 Rfd8=) 17...Bh3 18.Bh1 (18.e4 Bg2 19.Kg2 Nb6=) 18...a5 (18...Rfd8 19.Nc5 Qd6 20.Ba3=) 19.Rb1 Qa7 (19...a4 20.Nd2=) 20.Qd2 a4 21.Na5 Rb5 (21...Be6 22.Nc4 Qc7 23.d4=) 22.Nc4+= f5 (better 22...f6!?+=) 23.Be5+/- (worse 23.Ne5 Rb2 24.Rb2 Be5=+) 23...f4 24.d4 Rb1 (24...fg3 25.hg3 Be6 26.Bg7 Kg7 27.Ne5+/-) 25.Rb1 Be5 (25...Be6 26.Bg7 Kg7 27.Ne5+/-) 26.Ne5+- (26.de5?? fg3 27.e3 gf2 28.Qf2 Rf2 29.Kf2 Qc5 30.Rb8 Kg7-+) 26...Qa6 (26...Be6 27.a3+-) 27.Bf3 Bf5 (27...Be6 28.Nb4 Qa5 29.a3+-) 28.g4 (28.Rb2 Be6+-) 28...Be6 29.a3 g5 (29...Kg7 30.Nb4 Qa5 31.Qc2 Nb4 32.Rb4+-) 30.Ne1 (30.Nb4 Qa7+-) 30...Nf6 (30...Qa7 31.Rc1+-) 31.Qb4 Ned5 (31...Qa7 32.N1d3+- (32.Bc6?! Nc6 33.Nc6 Qa6 34.Ne7 Kg7+/-)) 32.Qd6 Re8 (32...Qc8 33.Nc6 Re8 34.Rb8+-) 33.N1d3 (33.Bd5 Qc8 34.Bc6 Qd8+-) 33...Nc3 (33...Qc8+-) 34.Rb8 Rb8 (34...Kh7 35.Re8 Ne8 36.Qe6 Ng7 37.Qg6 Kg8 38.Qf7 Kh7+-) 35.Qe6 (35.Qe6 Kh8 36.Qf6 Kg8 37.Qf7 Kh8 38.Ng6) 1-0. Davies,Nigel (2505) - Cuoso,L, Osterskars SWE, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.c4 Nc6 8.b5 Ne7 9.d3)

11.a4 Qc8 12.Qb3 Bh3 13.a5 Bg2 14.Kg2 Nd7 15.Na4 c5 16.Nc3 f5 17.Nd5 Nd5= 18.cd5 Nf6 19.Nd2 Qd7= 20.e4 Nh5 21.Nc4 Rf7 22.b6 a6 23.Qa4 Qe7 24.Qd1 f4 25.Qg4 Rf6 26.f3+/– Raf8 27.Rf2 Kh7 28.Kf1 Qe8 29.Ke2 fg3 30.hg3 Qc8 31.Qh4 Qd7 32.Qh2 R6f7 33.Qg2 Bf6= 34.Bc1 Bg5 35.Ke1 Rf6 36.Bb2= Qb5 37.Rd1 Qd7 38.Kf1 Re8 39.Kg1 Rf7 40.Kh2 Qd8?? 41.Qh3 Rf6 42.Rdf1 Ref8 43.Kg1 Qe7 44.Bc3 R8f7 45.f4 Bf4 46.gf4+/– Nf4 47.Qf3?? Nd5–+ 48.ed5 Rf3 49.Rf3 Rf3 50.Rf3 g5 51.Be1 h5 52.Nd6?? Qd6 53.Rf7 Kg6 54.Rb7 Qd5 55.Rc7 h4 56.b7 h3 57.Kf2 g4 58.Ke3 Qd4 59.Kd2 Qb2 60.Ke3 h2 61.Bc3 Qc3 (61...Qc3 62.Rc6 Kf5 63.Rf6 Kf6 64.Kf2 h1Q 65.Kg3 Qd2 66.b8Q Qh3#) 0–1. Tessier Desrosiers,O – Gaspariants,V (2305), COQ Open, Quebec CAN, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

11.Qc2 Qd7 12.Rfc1 Bh3 13.Ne4 Nh5 14.Nfd2 Bg2 15.Kg2 f5 16.Nc3 f4 17.Nce4 fg3 18.hg3 Qg4 19.f3 Nf4 20.Kf2 Nh3 21.Kg2 Nf4 22.Kf2 Ne6 23.Rh1 Nd4 24.Bd4 ed4 25.Qb3 Qe6 26.Rae1 Nf5 27.Nf1 Rae8 28.Qa3 c6 (28...d5!? 29.cd5 Qd5=) 29.bc6= bc6 30.g4 Ne3 31.Qd6 Ng4 32.Kg1 Ne5 33.Qe6 Re6 34.Nfd2 Rb8 35.Nb3 Nd7 36.Kg2 h5 37.Rb1 Ree8 38.Na5 c5 39.Rb5 Bf8 40.Rhb1 Rb6 41.a4 Ree6 42.Nb7 Be7 43.a5 Rbc6 44.f4 Nf6 45.Nbc5+= Bc5 46.Rc5 Rc5 47.Rb8 Ne8 48.Nc5+/– Re2 49.Kf1 Re7 50.Rd8 Kf7 51.Rd4 Nf6 52.Ne4 Ng4? 53.Ke2 Rb7?? 54.Nd6+– (54.Nd6 Kg7 55.Nb7+–) 1–0. Michalek,Christoph (2195) – Kipker,Rainer (2020), Ruhrgebiet–ch, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.0-0 0-0 7.c4 Nc6 8.b5 Ne7 9.d3 h6)

11.Nd2 Rb8 12.a4 Qd7 13.Re1 c5 (13...Bh3 14.Bh1=) 14.Nce4 (14.a5 d5=) 14...Nh7 (14...Ne4 15.de4 f5 16.a5=) 15.e3 f5 16.Nc3 Nf6 (16...d5 17.cd5 Nd5 18.Nd5 Bd5 19.e4 fe4 20.Ne4=) 17.Ne2 a5 18.Bc3 b6 19.Ra2 g5 20.f3 Ng6 21.Nf1 (21.f4 ef4 22.ef4 d5+=) 21...d5 22.cd5 (22.d4!? Qc7 23.de5 Ne5 24.Be5 Qe5 25.f4=) 22...Nd5-/+ (worse 22...Qd5 23.Rd2=) 23.Rd2 Nc3 (23...f4!?-/+) 24.Nc3=+ Rbd8 Black prepares f4 25.Qe2 Qf7 26.e4 (26.Rc1!?=+) 26...f4-/+ 27.Rc2 (27.Rc1 g4!-+) 27...h5 (27...Qd7!? 28.Qf2-+) 28.Nd2-/+ fg3 29.hg3 h4 30.Nf1? (better 30.Nc4!? hg3 31.Nb6-+) 30...hg3-+ 31.Ng3 (31.Rd2 Nf4 32.Qd1 g4 33.fg4 Nd3-+) 31...Nf4 32.Qe3 Rd3 33.Qc1 g4 34.Re3 c4 (better 34...gf3 35.Bf3 Nh3 36.Kh2 Re3 37.Qe3 Qf3 38.Qf3 Rf3-+) 35.Nce2 (35.fg4 Bh6 36.Nf5 Bf5 37.gf5-+) 35...Ng2 36.Kg2 (36.Rd3 cd3 37.Rc7 Qf3-+) 36…gf3 (36...gf3 37.Kh2 Qg6-+) 0-1. Chung,Yaleika (1705) - Bruzon Batista,L (2635), Caissa Guatemala Online, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

11.Nd2 Rb8 12.Qa4 Nd7 (12...a6!?=) 13.Qa7+/– Nc5 14.Qa3 f5 (14...Nf5!? 15.Nb3 Ra8+/–) 15.Nb3+/– Nd7 16.Na5 Qc8 17.Rac1 Nc5 18.Nb3 b6 19.Nc5 dc5 20.Qb3 Qe8 21.a4 Qf7 (21...c6 22.bc6 Nc6 23.Nd5+–) 22.a5! e4 (22...ba5 23.Qa3 Double attack (23.Qa3 Decoy)) 23.a6 Rbd8 24.Nd1 Bd4 (24...ed3 25.ed3 Bb2 26.Qb2+– (26.Nb2?! f4+/–)) 25.e3 Bb2 26.Nb2 (26.Qb2?! Rd3 27.Qc2 Ra3+=) 26...Nc8 27.de4 fe4 28.Be4 Bh3 29.Bg2 Bg2 30.Kg2 Rd2 31.Nd3 Qf3 (31...Nd6 32.Kg1+–) 32.Kg1 Rd8? (32...Nd6 33.Rcd1 Rd1 34.Qd1 Qd1 35.Rd1 Nc4 36.Nf4+–) 33.Nf4 (33.Ne5 Qf5 34.Nc6 Rf8+–) 33...g5 34.Nd5 Rf8 (34...Nd6 35.Qb1 Kg7 36.Qa1 Kg6 37.a7+–) 35.Rc2 (better is 35.Qb1 Qf7 36.Rc2 Rc2 37.Qc2+–) 35...Rd1 36.Qb2?? (better is 36.Ra2 Rf1 37.Kf1 Qh1 38.Ke2 Qh2 39.Kd3+–) 36...Rf1= 37.Kf1 Qd1 ½–½. Mueller,Arnd – Pieper,Thomas (2215), Oberliga Wuert, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 Nc6 8.b5 Ne7 9.c4 h6)

11.Nd2 c6 12.bc6 bc6 13.Ba3 Qd7 14.Rb1 Rfd8 15.Qb3 Rac8 16.Bb4 Bh3 17.Nce4 Bg2 18.Kg2 Nf5 19.Ba5 Re8 20.Qb7 Qe6 21.Nf6 Bf6 22.Ne4 Be7 23.Rfc1 d5+= 24.Nd2 Bc5 25.cd5 cd5 26.e4 de4 27.de4 Nd4 28.Qd5 Ba3 29.Rc8 Rc8= 30.Rb7 Bc5 31.Nc4 Qd5 32.ed5+/– f6 33.a4 Kf8 34.d6 Ne6 35.Rh7 Kg8?? 36.Re7+– Nf8 37.Bc7 Ra8? 38.Ne3+– Nh7 39.Ng4 h5 40.Nh6 Kh8 41.h4 Nf8 42.a5 Nh7 43.Nf7 Kg8 44.Nh6 Kh8 45.f4 ef4 46.gf4 f5? 47.Kf3 Nf6 48.Nf7 Kg8 49.Ng5 Nd5 50.Re5 Nc7 51.Rc5 Ne8 52.d7 Nd6 53.Rc6 (53.Rc6 Kf8 54.Rd6+–) 1–0. Karavade,E (2160) – Vinuthna,N (2100), Asian Youth GU16, Tehran IRI, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.c4 Nc6 8.b5 Ne7 9.0-0)

11.e4 Qd7 12.a4 Nh7 (12...a6 13.Qe2=) 13.Nd2 Bh3 14.Nd5 Bg2 15.Kg2 f5 16.f3 (16.Ne7 Qe7 17.a5 a6=) 16...Rf7 (16...Nd5 17.cd5 f4 18.Qb3+=) 17.Ne7= Qe7 18.a5 Raf8 19.b6 ab6 20.ab6 c6 21.Qb3 Qd7 22.c5 d5 23.ed5+= cd5 24.Rae1 Re8 25.Nb1 Qc6 26.Nc3 Nf6 27.Nb5 Qc5 28.Nc7 Rc7 29.bc7 Qc7 30.f4 e4 31.Bf6 Bf6 32.Qd5 Qf7+= 33.de4 fe4 34.Qf7 Kf7= 35.Re2 e3 36.Rd1+/– b5 37.Rb1 Bc3 38.Rb5+– Bd2 39.Kf3 h5 40.h3 Kf6 41.Rb6 Kf7 42.Rb7 Kf6 43.g4 hg4 44.hg4 Rh8? 45.g5 Ke6 46.Ke4 Rg8 47.Ra7 Kd6 48.Ra6 Kc5 49.Re6 Kb5 50.Re3 Be3 51.Ke3 1–0. Vokac,Marek (2520) – Brychta,Jan (2130), Ceske Budejovice op, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3)

11.a4 Qc8 (11...c5 12.Qc2+=) 12.c5 (12.Qc2 c5+=) 12...Bh3 (12...a6 13.Nc4 Bc4 14.dc4+=) 13.cd6+= cd6 14.Rc1 Qe6 15.Qb3 Qb3 (15...Rfd8 16.Bh3 Qh3 17.e4+=) 16.Nb3 Bg2 17.Kg2 Rfc8 (17...Ned5 18.Na5 Rfb8 19.Nc4+=) 18.Ba3 (18.Na5 b6 19.Nc6 Rc7+–) 18...Ne8 (18...e4!? 19.Nfd4 ed3 20.ed3 Rc1 21.Rc1 Ne8+=) 19.Na5+– b6 20.Nc4 Nf5 21.e4 (21.h3 Bf8+–) 21...Nd4 22.Nd4 ed4 23.Nd6 (23.f4 Rc7+–) 23...Nd6+= 24.Bd6 Rc3 25.Rfd1 Rac8 (25...Bf8 26.Be5 Bg7 27.Bf4+=) 26.Ba3! Rc2 (26...Ra3 27.Rc8 Pinning (27.Rc8 Deflection)) 27.Bb2 R8c5 (27...Rb2 28.Rc8 Pinning (28.Rc8 Deflection)) 28.Ba3 R5c3 (28...Rc8!?=) 29.Ra1 (29.Rc2 Rc2 30.Bd6 Ra2+–) 29...Be5+= 30.Bb4 Rb3 31.Be1 (31.Rab1!? Rbb2 32.Rb2 Rb2 33.Be7+=) 31...Bd6 (31...Kg7 32.Rab1 Ra3 33.Ra1=) 32.Kf3 Rbb2 (32...Be5 33.a5=) 33.Rdc1+= Re2 (33...Be5 34.Rc2 Rc2 35.Rb1+=) 34.Rc4 (34.Rab1 Bc5+–) 34...Bc5+= 35.a5 (35.Rb1 Ra2+=) 35...Kg7= 36.ab6 (36.h3 f5=) 36...ab6 ½–½. Merritt,Mario (2150) – Wiltshire,Esan (2105), Port Of Spain Trinidad Tobago, Men Ch, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.0-0 Nc6 8.b5 Ne7 9.d3 h6)

11.Qc2 Qd7 ½–½. Brandl – Zinoviev, 1993.

11.Qc2 Nd7 12.d4 f5 13.de5 de5 14.e4 f4 15.c5 c6 16.Nc4 Qb8 17.b6 ab6 18.Nb6 Nb6 19.cb6 g5 20.Rfd1 Ng6 21.a4 Rd8 22.Rd8 Qd8 23.a5 Qd7 24.Ne1 Qf7 25.Bf1 Bb3 26.Qc3 fg3 27.hg3 Rf8 28.Qc5 h5 29.a6 ba6 30.Ba6 h4 31.b7 hg3 32.fg3 Bf6? 33.Qb6 Bd8 34.Qe3 Bc7 35.Nd3 Bc4 36.Nf2 Ba6 37.Ra6 Bb8 38.Rc6+– Kh7 39.Ba3 Qb7 40.Rb6 Qf7 41.Bf8 Qf8 42.Qg5 (42.Qg5 Bd6 43.Qf5 Qf5 44.ef5+–) 1–0. Akopian,Vl (2670) – Tukhaev,A (2510), IX EICC, Plovdiv BUL, 2008.

11.Qc2 Nd7 12.d4 White plans c5 12...f5 13.de5 de5 14.e4 f4 15.c5 c6 16.Nc4 Can e5 get defended? 16...Qc7 17.b6 Qb8 18.a4 g5 (18...Nc5? 19.Ba3 fg3 20.Bc5 gh2 21.Kh2+-) 19.Rfd1 Ng6 (19...Nc5? 20.Ba3 (20.Nfe5?! fg3 21.fg3 ab6=; 20.Be5 Be5 21.Nfe5 fg3 22.hg3 ab6=+; 20.Nce5? ab6 21.Nc4 Bb2 22.Nb6 Ba1 23.Qc5 Bf6-+) 20...fg3 21.Bc5 gh2 22.Nh2+-) 20.a5 g4 (worse 20...Nc5 21.Ba3 Na6 22.ba7 Ra7 23.Bd6+/-) 21.Ne1 h5 22.Bf1 fg3 23.hg3 h4 24.Rd6 hg3 (24...Nc5? 25.Ba3 Ne4 26.Re6 hg3 27.Qe4 (27.Rg6 gf2 28.Kh1 fe1Q 29.Re1 Rf1 30.Rf1 Ng3 31.Kg1 Nf1+-) 27...gf2 28.Kh1+/-) 25.fg3 (25.Re6 gf2 26.Qf2 Rf2 27.Rg6 Rf1 28.Kf1 Qf8 29.Ke2 Qf7 (29...Qc5?! 30.Rc1-+) 30.Rg7 Qg7-+) 25...Rf1 (25...Qe8!?=) 26.Kf1+/- Qf8 27.Kg1 Nc5 (27...Qf7 28.Nd3 Bc4 29.Rd7 Qd7 30.Qc4 Qf7 31.Qf7 Kf7 32.a6 ab6 33.ab7+-) 28.Ba3 Qf7 29.Bc5 Bc4 30.Bf2 Bb3 (30...Kh7 31.Rc1 Bb5 32.Ng2+/-) 31.Qb2 Bc4 32.ba7 c5? (better 32...Bf8 33.Rdd1 Bc5+/-) 33.Qb6+- (33.Bc5?! Qf1 34.Kh2 Qh3 35.Kg1 Qf1 36.Kh2 Qh3 37.Kg1 Qf1=) 33...Rf8 34.Qc5 (34.Rg6?? Qf2 35.Kh1 Qf1 36.Kh2 Qh3 37.Kg1 Rf1; 34.Bc5?? Qf1 35.Kh2 Qh3 36.Kg1 Rf1) 34...Ba6 35.Rg6! Qg6 36.Qf8!! Bf8 (36...Bf8 37.a8Q Decoy; 36...Kf8 37.Bc5 Decoy) 37.a8Q Qe4 38.Bc5 (38.Bc5 Qf5 39.Ng2+-) 1-0. Srihari,L R (2170) - Tanriverdi,Enes (2315), World Youth Open U14, 2018. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 e5 7.d3 Nc6 8.b5 Ne7 9.0-0)

11.Ne1 Qc8 12.c5 Bh3 (12...a6!? 13.cd6 cd6=) 13.cd6+= cd6 14.Qb3 Bg2 15.Ng2 Qd7 16.Rac1 a6 17.b6 Rac8 18.e4 d5 19.Ne3 de4 20.Ne4 Nc6 21.Nc5 Qe7 22.Rfe1 Rfd8 23.Na6 Nd4 24.Bd4 Rc1 25.Rc1 ed4 26.Rc7 Qe8 27.Nc4 ba6 28.Ne5 Nd5 29.Nf7 Qe1 ½–½. Vidal,Lionel (1950) – Valeinis,Janis (2360), WC.2004.S.00004, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nc6 8.b5 Ne7 9.c4 h6)

9.a3 Nc6 10.c4 Nh5 11.e4 Qe8 12.Nb3 f5 13.ef5 gf5 (13...Rf5?! 14.g4 Rf3 15.Bf3=; 13...Bf5?! 14.Re1–/+) 14.c5 f4 15.cd6 cd6 16.Rc1 Be6 17.Ng5 fg3 18.Ne6? (better is 18.hg3!? Nf6 19.Ne6 Qe6 20.Re1–/+) 18...gf2 (18...Qe6?! 19.hg3 Nf6 20.Re1–/+) 19.Kh1 Qe6 20.Qh5 Qb3 21.Be4 Rf6 22.Rb1 Rh6 23.Qe2 Rf8 24.Be5?? Qe6 25.Bg7+/– Kg7 26.Rb7 Kh8? 27.Rf2+– Rf2 28.Qf2 Rf6 29.Rh7 Kg8 30.Qg1 Kf8 31.Qg7 Ke8 32.Rh8 Rf8 33.Rf8 1–0. gbsrao (2325) – wvmaniac (2425), net–chess.com, 2011.

9.a3 Nc6 10.Nc4 Be6 11.e4 Bc4–+ 12.dc4 Ne4 13.Nh4? Ng5 14.Nf3 Nf3 15.Bf3 Na5 16.Qe1? Nc4 17.Rb1 c6 18.Bc1 Qc7 19.Qb4 Nb6 20.a4 Rab8 21.Be3 Nd5 22.Bd5 cd5 23.Ba7 Rbc8 24.Rfc1 d4 25.Qb7 Qc3 26.Rb3 Qd2 27.Rf1 Rc2 28.Qd7 e4 29.Qd6 e3! 30.Bd4?? Bd4 31.Re3 Be3 32.Qd2 Bd2 (32...Bd2 33.Ra1 Ra8–+) 0–1. gbsrao (2135) – bamyes (2130), net–chess.com, 2007.

9.a3 Nc6 10.e4 Be6 11.Ng5 Bd7 12.f4 Ng4 13.Rf3 ef4 14.gf4?? Bb2 15.Rb1 Bd4 16.Kh1 Nf2 17.Rf2 Bf2 18.Qf3 Bb6 19.Rg1 Ne5! 20.Qg3 Ng4 21.Re1 Nf2 (21...Nf2 22.Qf2 Bf2–+) 0–1. gbsrao (2180) – carrafurca (2270), net–chess.com, 2006.

9.a3 Nbd5 10.e4 Ne7 11.Nc4 Nh5 (11...c6 12.Ncd2–/+) 12.d4+= Bg4 (12...ed4 13.Nd4 Be6 14.Ne6 fe6 15.Rb1 Bb2 16.Rb2+=) 13.h3 (13.de5!? Be6 14.Qd3=) 13...Be6+= 14.d5 Bd7–/+ 15.Ne3 f5 16.ef5+= Nf5 17.Nf5 gf5 18.Ne5 de5 19.Re1 Qe7?? 20.Qh5+= Rad8 21.Rad1 Be8 22.Qe2+= e4 23.Bg7 Qg7 24.c4 Bf7 25.Rb1 b6 26.Rec1 Rfe8 27.h4 Qe5 28.g4 f4 29.Re1= Qf6 30.c5?? Bd5 31.cb6 cb6 32.g5 Qf7 33.Qg4? f3 34.Bh1 Bb7 35.Rbd1 Bc8 36.Qg3 Rd1 37.Rd1 Qb3 38.Re1 Qa3 39.Bf3 Qc3 40.Re3 Qd4 41.g6 Bb7 42.gh7 Kh7–/+ 43.Kh2 Kh8 44.Bh5 Rg8 45.Qf4 Kh7 46.Qf7 Qg7+= 47.Bg6 Kh8 48.Qg7 Rg7 49.h5 b5–/+ 50.Be4 Be4 51.Re4 Kh7 52.Kh3 a5 53.Kh4 b4 54.f4 b3 55.Ra4 Rb7 56.Ra5 b2 (56...b2 57.Rg5 b1Q–+) 0–1. gbsrao (2125) – gmofredes (2135), net–chess.com, 2007.

9.c4 –/+.

8.a3 Re8 9.Nbd2 b6?? (9...c6 10.c4=) 10.e4?? (better 10.Ne5 Ne5 11.Ba8+-) 10...Bb7 11.h3 a6 12.Nh4 h6 13.f4 (better 13.c4!?=) 13...ef4-/+ 14.gf4 (14.Qf3 fg3 15.Rab1 Qe7-/+) 14...Ne4 (14...Nd5 15.Bg7 Ne3 16.Qf3 Nf1 17.Rf1 Kg7 18.Qg3-/+) 15.Bg7-/+ Kg7 (15...Nd2 16.Qd2 Bg2 17.Ng2 Kg7 18.f5-/+) 16.Ne4=+ Qh4 17.Nd6 Qg3?? (better 17...cd6 18.Bb7 Ra7=+) 18.Nb7+- Rab8 19.Qf3 (19.Rf3 Qh4 20.Rf2 Qf6+-) 19...Qf3 (19...Re3 20.Qc6 Re2 21.Rae1 Qg2 22.Qg2 Rg2 23.Kg2+-) 20.Bf3 (20.Rf3?! Rb7 21.f5 g5=) 20...Nf6 21.Rae1 Red8 (21...Nh5 22.f5!+-) 22.Re7 (22.Nd8 Rd8 23.Bb7 a5+-) 22...Ne8 (22...Rd7 23.Rfe1 Re7 24.Re7 Rc8+-) 23.f5 (23.Nd8 Rd8 24.Rfe1 Kf8+-) 23...g5 (23...Rd4 24.fg6 Kg6 25.Be4 Re4 26.de4+-) 24.f6! Kf6 (24...Nf6 25.Rc7 Deflection (25.Nd8 Zwischenzug); 24...Kf6 25.Be2 Double attack (25.Nd8 Zwischenzug)) 25.Re3 (better 25.Bd5! Kg7 26.Rff7 Kg6 27.Be4 Kh5+-) 25...Kg7 26.c4 (26.Nd8 Rd8 27.Re7 Kf8+-) 26...Nf6 (26...Rd4 27.Bc6 Nd6 28.Re7 Nb7 29.Ref7 Kg8 30.Rc7+-) 27.Re7 (27.Nd8 Rd8 28.Bb7 Nh5+-) 27...Kf8?? (27...Rd3 28.Rc7 Ne8+-) 28.Rc7 (better 28.Nd8!? Rd8 29.Rc7 Rd3+-) 28...Rd3 29.Bd5 Nd5 30.Rff7 (30.Rcf7?! Kg8 31.cd5 Rd5+-) 30...Ke8 (30...Kg8 31.Rg7 Kh8 32.Rh7 Kg8 33.cd5 Rd5 34.Rh6 Rd1 35.Kg2 Rd3+-) 31.Nd6 Kd8 32.Rfd7 (32.Rcd7) 1-0. Arifars17 (2625) - Davenogood (2600), Rated Bullet game, lichess.org, 2020.

8.Na3 Re8 9.c4 a5 10.b5 Nc5 11.Rc1 Bf5 12.d4 ed4 13.Nd4 Bd7 14.Re1 Qc8 15.Nb3 Bh3 16.Nc5 Bg2 17.Kg2 dc5 18.Rc2 Qf5 19.e3 Rad8 20.Qf3 Qf3 21.Kf3 Rd3 22.Nb1 Red8 23.Ke2 Ng4 24.Bg7 Kg7 25.h3 Nf6 26.Nc3 R3d6 27.Rb1 Kf8 28.Rb3 Ke7 29.Ra3 Ra8 30.Rb3 Rad8 31.Ra3 Ra8 32.Rb3 ½-½. Bielmeier,Ludwig (1960) - Huwa,Walter (2180), Niederbayernliga, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nbd7)

8.Nc3 c6 9.a4 (9.e4 Qb6=) 9...h6 10.b5 Qc7 11.Rb1 Nh5 (11...d5 12.bc6 Qc6 13.Nd2=) 12.Ne4 f5 13.bc6 (13.Ned2 a6=) 13...bc6 (13...Qc6 14.Ned2 Qa4 15.Nc4=) 14.Ned2= f4 15.Nh4 g5 (15...fg3 16.fg3 Rf1 17.Qf1+=) 16.Ng6+= Rf7 17.e4 (17.Ba3 Nf8 18.Nf8 Bf8=) 17...Nhf6= 18.gf4 gf4 19.Qf3?? (19.d4 Kh7 20.de5 de5=) 19...Nc5 (better is 19...Nf8 20.Ne5 de5–+) 20.Ba3?? (better is 20.d4 Na4 21.Ba1=+) Bg4–+ (20...Bg4 21.Bc5 dc5 22.Ne5 Bf3 (< 22...Qe5 23.d4 cd4 24.Qb3–+) 23.Ndf3 Re7–+; 20...Na4?! 21.Bh3–/+) 0–1. gbsrao (2220) – wvmaniac (2240), net–chess.com, 2010.

8.Nc3 Re8 9.e4= Bh6 (9...c6 10.Nd2=) 10.Qe2 Nf8 (10...c6 11.a4=) 11.Rad1 Bg4 (11...Bg7 12.Rfe1=) 12.Rfe1 (12.h3 Bf3 13.Qf3 Ne6=) 12...c6 (12...Ne6 13.Nb1=+) 13.a4 (13.d4!?=) 13...Ne6=+ 14.d4 (14.Nb1 a5 15.b5 cb5 16.ab5 a4=+) 14...ed4 15.Nb1 Qb6 (15...Ng5 16.Qd3 c5–/+ (16...Nfe4?! 17.Ng5 Ng5 18.Qd4=)) 16.Bd4?? (better is 16.h3 Bf3 17.Qf3=+) 16...Nd4–+ 17.Rd4 Bf3 18.Bf3 Qd4 19.c3 Qe5 20.Nd2 Qc3 21.Nc4 Qb4 22.Rd1 Rad8 23.e5 de5 24.Rd8 Rd8 25.Ne5 Rd2 26.Qf1 Qc3 27.Qg2 Qe5 28.a5 Nd5 29.Bd5 Rd1 (29...Rd1 30.Qf1 Rf1 31.Kf1 Qd5–+) 0–1. gbsrao (2410) – gmofredes (2555), net–chess.com, 2008.

8.c4 b6?? forfeits the advantage 9.Ne5+- de5 (9...d5 10.Nc6 Qe8 11.cd5+- (11.Bd5?! Nd5 12.Bg7 Ne3 13.fe3 Qe3 14.Rf2 Kg7+/-)) 10.Ba8 Re8 (10...Qe7 cannot undo what has already been done 11.Qc1+-) 11.Bg2 (11.Bc6 makes it even easier for White 11...Qe7 12.Qa4 Bf8 13.Qa7 Qb4+-) 11...c5 (11...e4 does not save the day 12.Na3+-) 12.b5 Qc7 (12...e4 does not improve anything 13.de4 Ne4 14.Qc2+-) 13.e4 (13.a4 might be the shorter path 13...e4+-) 13...Rd8 14.Nc3 Qd6 (14...a5 hardly improves anything 15.ba6! final destruction 15...Ba6 16.Bc1+-) 15.Nd5 Nd5 (15...a6 doesn't get the cat off the tree 16.a4+-) 16.ed5 Nf6 (16...Nb8 does not help much 17.Qc2+-) 17.Re1 Re8 (17...Ne8 is no salvation 18.a4+-) 18.Qe2 Nd7 19.a4 Qc7 (19...a6 doesn't get the bull off the ice 20.Kh1+-) 20.a5! Decoy: a5 20...a6 (20...ba5 21.Bc3 Decoy) 21.ab6 Qb6 22.ba6 Ba6 23.Reb1 (23.Bh3 seems even better 23...Bc8+-) 23...Qf6 (23...Rb8 doesn't change the outcome of the game 24.Qf1 Qa7 25.Bh3+-) 24.Bc1 (better 24.Bh3 keeps an even firmer grip 24...Bc8+-) 24...Rb8 (24...Qd6 doesn't improve anything 25.h4+-) 25.Rb8 (better 25.Bh3 and White wins 25...Rb1 26.Rb1 Nf8+-) 25...Nb8 26.Ra5 Qb6 (26...Qd6 cannot change destiny 27.Be3 Nd7 28.Bh3+-) 27.Qa2 (27.Qb2 might be the shorter path 27...Qd8 28.Qa3 Bc8+-) 27...Bf6 (27...Bf8 is not much help 28.Bb2 Bd6 29.Bc3+-) 28.Be3 Be7 29.f4 Bb7 (29...ef4 is still a small chance 30.Bf4 Bd6 31.Bd6 Qd6+-) 30.Rb5 Qc7 31.Rb7! the final nail in the coffin 31...Qb7 (31...Qb7 32.d6 Passed pawn) 32.d6 Qb4 (32...Qd7 hoping against hope 33.de7 Qe7+-) 33.Bd2 (33.Bd2 Qd2 34.Qd2+-) 1-0. Koch,Juan (2160) - Albarenque,Maximiliano, Villa Ballester op, 2002. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nbd7)

8.c4 Qe7 9.Qc2 (9.Nc3 c6=) 9...Rb8 (9...a5 10.b5=) 10.Nc3 (10.Nbd2 c6=) 10...Nb6 (10...c6 11.a3=) 11.a4+= d5 (better is 11...Bf5!?+=) 12.a5+/– d4? (better is 12...Na8 13.Nd5 Nd5 14.cd5 Re8+/–) 13.ab6+– cb6 (13...ab6 14.Nb5+–) 14.Nb1 (14.Nd1 Ra8+–) 14...Bf5 15.Nh4 Qe6 16.Ra7 Nd7 17.Nf5 gf5 18.Bb7 Nf6 19.Nd2 h5 20.Bg2 f4 21.Ne4 Ne4 22.Be4 f5 23.Bd5 (23.Bd5 Qd5 24.cd5+–) 1–0. algernon (2295) – shadowgirl (2130), net–chess.com, 2005.

8.c4 Re8 9.Na3 a5 10.b5 Nc5 11.Rb1 h6 12.Nc2 Be6 13.Ne3 Qc8 14.Re1 Bh3 15.Bh1 Qe6 16.Nd2 a4 17.Nd5 Nd5 18.Bd5 Qd7 19.Bh1 f5 20.Qc2 Kh7 21.e3 f4 22.d4 (better 22.ef4!? Bf5 23.Ne4 Be4 24.Be4 ef4 25.Bg7 Qg7 26.d4 Ne4 27.Re4 fg3 28.fg3 Re4 29.Qe4=) 22...ed4-/+ 23.Bd4 (23.ed4!? Bf5 24.Ne4 Ne4 25.Be4 Re4 26.Re4-+) 23...fe3-+ 24.fe3 Bf5 25.Qc3 Bb1 26.Rb1 Re7 (26...Rf8 27.Qc2 Qe8 28.Ne4-/+) 27.Bg7-/+ Rg7 28.Ne4 Ne4 29.Be4 Rb8 30.Qc2 Qe6 31.Re1 Qe5 32.Bd5 (32.Rf1 Kh8-/+) 32...Re7 (better 32...c6 33.Be4 Re8-+) 33.e4?? (better 33.Qa4 Qc3 34.Qd1-+) 33...c6!-+ 34.bc6 (34.Qd3 cd5 35.cd5 Rc8-+) 34...bc6 35.Bc6 Qc5 (35...Qc5 36.Qf2 Qc6-+) 0-1. Lemaire,J - Van der Weide,Karel (2315), Gent op (HP), 1994. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 Nbd7)

8.c4 Re8 9.e4 a5 10.a3 c6 11.Nbd2 Nf8 12.Qc2 Ne6 13.d4 (13.Nb3!?=) 13...ed4=+ 14.Nd4 ab4 15.ab4 Ra1 16.Ba1 (16.Ra1 Nd4 17.Bd4 Ne4 18.Bg7 Nd2+/-) 16...Qb6 (16...Nd4!? 17.Bd4 Ne4 18.Bg7 Nd2 19.Qd2 Kg7=+) 17.Ne6= Be6 18.Bc3 Nd7 19.Bg7 Kg7 20.Qc3 Kg8 21.Ra1 Rc8 22.h3 Qd8 23.Ra7 Ra8 24.Ra8 (worse 24.Rb7 Qc8 25.Rd7 Qd7-/+) 24...Qa8 25.Nf1 Qa2 26.Ne3 Ne5 Can c4 get defended? (26...Qb1 27.Kh2+=) 27.c5+= Qb1 28.Kh2 Nd3 29.cd6 Nf2 30.Nc2 (30.Qf6 Ne4 31.Qd4 Nf2+/-) 30...Bh3 (30...Qc1 31.b5=) 31.Qd2 Bg2 32.Kg2 Ne4 33.d7 Nd2 34.d8Q Kg7 35.Qd2 Qb2 36.Qd3 h5 37.Qe4 Qc3 38.Nd4 Qd2 39.Ne2 Qb2 40.Kf3 Qb3 41.Kg2 Qb2 ½-½. Arlinsky,U (2310) - Tzidkiya,Yeshaayahu (2275), Petah Tikva Winter IMB, 2020. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.d3 e5 7.0-0 Nbd7)

8.c4 Re8 9.e4 c6 10.Nc3 a5 11.a3 Qb6 12.Na4 Qc7 13.Qd2 Nf8 14.h3 Ne6 15.c5 Nd7 16.d4 ab4 (16...dc5 17.dc5 Qd8 18.Rfd1=) 17.ab4 ed4 18.Nd4 (< 18.Bd4 Nd4 19.Nd4 Rd8–/+) 18...Nd4 19.Bd4 dc5 20.Bg7 Kg7 21.bc5 Nf8 (21...f6 22.Rfd1+=) 22.Nb6+/– Ra1 23.Ra1 Be6 24.Rd1 Qe5 25.Qe3 Qb2 26.Kh2 h6 27.Na4 Qf6 28.Rb1 Ra8 29.Nc3 Ra3 30.Nd5 Re3 31.Nf6 Rc3 32.Ne8 Kg8 33.Rb7 Nd7? 34.Rd7!+– Bd7 35.Nf6 Kf8 36.Nd7 Ke7 37.Nb8 Rc5 38.e5! Rc2 39.Nc6 Kd7 40.f4 Rc6 41.Bc6 Kc6 42.Kg2 Kd5 43.Kf3 Kd4? 44.h4 h5 45.g4 (45.g4 Kd5 46.gh5 gh5 47.Ke3+–) 1–0. Valenta,Vit (2190) – Hausner,Ivan (2385), Ceska Trebova op 2nd, 2006.

8.c4 Ne8 9.Nbd2 f5 10.Qb3 Kh8 11.Rac1 g5 12.c5 f4 13.Ne4 g4 14.Nfg5 f3 15.ef3 gf3 16.Bh3 Ndf6 17.Bc8 Rc8 18.Nf7 Rf7 19.Qf7 Ne4 20.de4 Qg5 21.Qf3 Nf6 22.cd6 Rf8 23.dc7 Nh5 1–0. Hgvanmoork (1740) – Go_Dawgs (1685), lichess.org, 2018.

8.c4 Nh5 9.e4 Kh8 10.Nbd2 (10.Nc3 Ndf6 (10...a5 11.a3 Nb6 12.c5 Nd7 13.cd6 cd6 14.d4 Nb6; 10...Re8 11.Qd2 Kg8 12.Rfd1 c6 13.a3 a5 14.Qe2 Nhf6; 10...Kg8 11.Qc2 Re8 12.a3 c6 13.Rfe1 Qe7 14.Nd1 Ndf6; 10...Nhf6 11.Qe2 Qe7 12.Rfc1 c6 13.Rd1 a5 14.a3 Kg8; 10...b6 11.Qc2 a5 12.a3 Bb7 13.Nd5 c6 14.Ne3 Qe7) 11.d4 Qe7 12.Qd3 Bg4 13.h3 Bd7 14.Rfd1 a5) 10...f5 (10...c5 11.a3= b6 12.Nb1 a5 13.ba5 Ndf6 14.Nc3 Ra5; 10...Qe7 11.Qc2 a5 12.a3 b6 13.d4 Bb7 14.d5 Kg8; 10...b6 11.Qe2 Bb7 12.d4 a5 13.a3 Qe7 14.d5 Nhf6; 10...a5 11.a3 b6 12.Bc3 a4 13.Qc2 Bb7 14.d4 Kg8; 10...Ndf6 11.d4 ed4 12.Nd4 a5 13.a3 Qe7 14.Qc2 Bd7; 10...Qe8 11.Qb3 a5 12.a3 Nb6 13.d4 Na4 14.de5 Nb2; 10...Kg8 11.Qc2 a5 12.a3 b6 13.Bc3 a4 14.Rfe1 Bb7; 10...Re8 11.Qc2 b6 12.d4 Bb7 13.c5 bc5 14.bc5 Rb8; 10...c6 11.Qc2 Kg8 12.c5 dc5 13.bc5 Qe7 14.Rac1 Rd8; 10...Bf6 11.Qc2 a5 12.a3 b6 13.Bc3 a4 14.Rfd1 Bb7) 11.d4 (11.ef5 gf5 12.Ne5 (12.Re1 a5 13.a3 Ndf6 14.Qb3 Bh6) 12...Ne5 (12...Ng3 13.Nc6 bc6 14.Bg7 Kg7) 13.Qh5 Nd3 14.Bg7 Kg7+=) 11...f4 (11...fe4 12.Ne4 Nhf6 (12...a5 13.b5 Nb6 14.Rc1 Be6) 13.Neg5= Qe7 14.Qc2 e4) 12.c5 (12.g4 Nhf6 13.g5 Ng8+= (13...Nh5 14.Nb3 Qe7) 14.Nb3 h6) 12...ed4 (12...dc5 13.dc5 a5 14.Qa4 Qe7) 13.cd6 cd6 14.Bd4 (14.Nd4 Ne5) 14...Bd4 (14...Ne5+= 0.52) 15.Nd4 Ne5 (15...Qb6 16.N2f3=) 16.Qb3 Qb6 17.N4f3 (better 17.Qb2!?=) 17...fg3=+ 18.Nc4 (18.hg3 Ng3 19.Rfe1 Nh5-/+) 18...gh2-/+ 19.Kh1 (19.Kh2 Nc4 20.Qc4 Nf4-/+) 19...Nc4 20.Qc4 Nf4 (20...Bd7 21.Qc3 Nf6 22.Kh2-+) 21.Qd4 (21.Kh2 Bd7 22.Qd4 Qd4 23.Nd4 Rae8-/+) 21...Qd4-+ 22.Nd4 Bd7 23.Kh2 Nd3 24.Kg3 Rac8 25.a3 Rc4 26.Ne2 Bb5 (26...Rc2 27.Nd4 Rd2 28.Nb3 Rdf2 29.Rf2 Nf2 30.Na5-/+) 27.Ra2 (27.Rad1!? Rcc8 28.Nd4-/+) 27...g5 28.Rd2 Nf4 29.Nf4? (better 29.Bf3!?-/+) 29...gf4-+ (29...Rf4?! 30.Re1=+) 30.Kh2 f3 31.Bh3 Re4 32.Rg1 (32.Rfd1 Re2-+) 32...Re2 33.Rd6 (33.Rgd1 Ba4 34.Re2 fe2-+ (34...Bd1?! 35.Rd2 Ba4 36.Rd6-/+)) 33...Rf2 34.Kh1 (34.Kg3 Ra2 35.Rgd1 f2-+) 34...Re2 35.Bf1 (35.Rf1 f2 36.a4-+) 35...Re5 36.Rh6 (36.Kh2 f2 37.Rh1 Rh5 38.Kg3 Rh1 39.Bb5 Rg1 40.Kh2 Rf5 41.Rd8 Kg7 42.Rd7 Kf6-+) 36…f2 (36...f2 37.Bb5 fg1R 38.Kg1 Rb5-+) 0-1. Kane,Robert - Arakhamia,Ketevan (2425), Masters, Bunratty IRL, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nbd7)

8.Nbd2 a6 9.a3 Rb8 10.Qc1 b5 11.c4 Bb7 12.e4 h6 13.Nb3 bc4 14.Qc4 c6 15.Na5 d5 16.Qc2 de4 17.de4 Qc7 18.Rfc1 Rbc8 19.Qd3 Rfe8 20.Bh3 c5 21.Bg2 Be4 22.Qa6 Bf3 23.Bf3 e4 24.Be2 Re6 25.Qb5 Rb8 26.Qa4 Qb6 27.Nc4 Qb7 28.Na5 Qa7 29.Qb3 cb4 30.ab4 Qb6 31.Bc4 Re7 32.Bc3 Ne5 33.Be2 Nfg4 34.Rf1 Nf3 35.Bf3 ef3 36.Bg7 Kg7 37.Nc4 Qb4 38.Qb4 Rb4 39.Rac1 Ne5 40.Ne3 Rb2 41.Rc3 f6 42.h3 1–0. linakip – nks05, kurnik, 2012.

8.Nbd2 a6 9.a3 c6 10.c4 Re8 11.Qc1 Qe7 12.Ng5 h6 13.Nge4 Ne4 14.Ne4 f5 15.Nc3 Nf6 16.a4 Be6 17.b5 ab5 18.cb5 Bf7 (18...d5+=) 19.b6?? (better is 19.bc6 d5 20.cb7 Qb7 21.Nb5+/–) 19...d5 20.a5 e4 21.de4 fe4 (worse is 21...Ne4 22.Ne4 Bb2 23.Qb2 de4 24.Qc1=) 22.e3 Ng4 23.Ne2 Ne5 24.Nd4? c5–+ 25.Nb5 Rac8 26.Nc7? Rc7 27.bc7 Qc7?? 28.Bc3 Qd6 29.Qb2 Re7 30.Rfd1 Rd7? 31.Bh3 Re7 32.Rd2?? Be8 33.Bg2 Qe6 34.Rad1 Bc6 35.Qb6?? Nf3–+ 36.Bf3 ef3 37.Bg7 Qh3 38.Qd8 Re8 39.Qd5 Bd5 40.Rd5 Qg2# 0–1. giorgo – jerems34 (1830), kurnik, 2012.

8.Nbd2 d5 9.Ne5 Ne5 10.Be5 c6 11.Bb2 Qd6 12.Nf3 c5 13.Be5 Qc6 14.a3 cb4 15.ab4 Bf5 16.Rc1 Qb5 17.Qd2 Rae8 18.c4 dc4 19.dc4 Qc6 20.b5 Qc5 21.Bd4 Qc7 22.Qc3 Ne4 23.Qb2 Bd4 24.Qd4 Rd8 25.Qb2 a6 26.b6 Qc5 27.e3 Rd6 28.Nd4 Rb6 29.Qe2 Rd6 30.f3 Nf6 31.Rfd1 Be6 32.Ne6 Re6 33.Re1 Nd7 34.Kh1 Nb6 35.f4 Qc7 36.c5 Nd7 37.Bd5 Rd6?? 38.cd6+– Qd6 39.Qc4 Nb6 40.Qc5 Qc5 41.Rc5 Na4 42.Rc7 b5 43.Ra7 Nb6 44.Bb7 Rb8 45.Ba6 Nc4 46.Rc7 Nd6 47.Rd1 Ne4 48.Rd4 Nf2 49.Kg2 Ng4 50.Kf3 (50.Kf3 Nh2 51.Ke2+–) 1–0. linakip – lucifrv, kurnik, 2012.

8.Nbd2 Qe7 9.e4 Re8 10.a3 c6 11.h3 Nf8 12.Re1 h5 13.c4 N8h7 (13...Ne6 14.Nb3=) 14.d4+= g5 (14...ed4 15.Bd4 Nf8 16.Qa4+=) 15.Nh2 (15.de5!? de5 16.Ne5+/-) 15...h4 (15...g4 16.hg4 hg4 17.de5 de5 18.c5+=) 16.g4 ed4 17.Ndf3 (17.Bd4 Be6+=) 17...c5= (worse 17...Ne4 18.Nd4 Nhf6 19.f3+-) 18.e5 de5 19.Re5 Qc7 (19...Be6=) 20.Qe1?? (better 20.Rc5!? Qe7 21.Re5+- (worse 21.Ng5 Nd7 22.Rc8 Rac8 23.Nh7 Ne5+=)) 20...Be6 (better 20...Re5 21.Qe5 Qe5 22.Ne5 Nd7 23.Nd7 Bd7 24.bc5 Rd8=+) 21.Qe2?? (21.Rc5!? Qd8 22.Nd4+=) 21...b6 (21...Nd7 22.Re4-+) 22.Re1? (22.Ng5 Ng5 23.Rg5 Bd5=+) 22...Rad8 (22...Nd7!? 23.Re4 Nhf6 24.Ng5 Ne4 25.Qe4 Nf8 (25...Bc4?! 26.Qh7 Kf8 27.Rc1-/+) 26.bc5 Bc4-+) 23.Qd2 Nd7 24.R5e4 Bf6 25.Bf1 (25.b5 Re7=+) 25...Ndf8 (25...Be7 26.Bd3-/+) 26.Bd3 Ng6 (26...Re7 27.Bc1-/+) 27.Qc2 (better 27.Re6!? Re6 28.Re6 fe6 29.Bg6 cb4 30.ab4 Qc4 31.Bh7 Kh7 32.Ng5 Kg7 33.Nhf3+/-) 27...Nhf8 28.Kg2? (better 28.Bc1 Qe7 29.Bd2=+) 28...Nf4-+ 29.Rf4 Qf4 (29...gf4 30.Qd2-+) 30.b5 Rd7 (30...Qd6 31.Bc1-+) 31.Bc1 Qc7 32.Bg5 Bg7 (better 32...Bg5!? 33.Ng5 Bd5 34.Ne4 Be4 35.Re4 Re4 36.Be4 Ne6-+) 33.Bh4 Qb7 (33...a6 34.ba6 Qc8 35.Be4=+) 34.Bg3 (34.Be4 Qc8=) 34...Rde7 (34...a6 35.Be4 Qa7 36.Bc6 ab5 37.Bb5 Qa3 38.Ne5=) 35.Rd1 (better 35.Bd6!? Bc4 36.Re7 Bd3 37.Rb7 Bc2 38.Ra7=) 35...Bd7 36.Qd2 Re6 (36...a6 37.a4-/+) 37.h4 Bc8 38.Kh3 (better 38.h5=+) 38...Qc7?? (better 38...a6-/+) 39.Bc7+- Bb7. pink_overdoze (2110) - Kingscrusher_YouTube (2310), Rated Bullet game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 d6 5.b4 0-0 6.Bb2 Nbd7 7.d3 e5 8.Nbd2)

8.Nbd2 Nh5 9.d4 Qe8 10.de5 de5 11.e4 Nb6 12.a4 (12.c4!?=) 12...Na4+= 13.Bc1 Bd7 (13...Nc3 14.Qe1 Qb5 15.Bb2 Ne2 16.Kh1–/+) 14.Qe2 h6 15.c4 Qe6 16.b5 Nb6 17.c5 Nc8 18.Bb2 (18.Rd1!?+=) 18...Qe8–/+ 19.c6 bc6 20.bc6 Bc6 21.Rfc1 Nd6 22.Qe3 Bb5 (22...a6 23.Qc5 Be4 24.Ne4 Ne4 25.Qc7–/+) 23.Rc7= Qe6 24.Raa7+= Ra7 25.Qa7 Re8 26.Qa5 Bd3 27.Ne1 Be2= 28.Bf3 Bf3 29.Nef3 f5 30.Qa4 Nf7 31.Rc6 Qd7 32.Qc2 Nf6= 33.Nh4 fe4 34.Ne4 Ne4 35.Qe4 g5 36.Nf5+= Re6 37.Rc1 Rf6 38.Ng7+/– Kg7 39.Be5 Ne5 40.Qe5 Qe6 41.Qa1 Qb6 42.Rc2 Kg6 43.Rb2 Qe6 44.Qa8 Rf7 45.Kg2 Kg7 46.h3 Qf6 47.Re2 Rf8 48.Qe4 Rf7 49.Rc2 Qf5 50.Qd4 Qf6 51.Qc4 Qf3 52.Kh2 Qf6 53.Kg1 Qa1 54.Kg2 Qf6 55.Qe2 Qf5 56.Rc4 Qd5 57.Kg1 Qf3 58.Qb2 Qf6 59.Qa2 Qe6 60.Qb2 Kh7 61.Qc2+/– Qf5 62.Re4 Kg7 63.h4+/– gh4 64.Qb2 Qf6 65.Rg4 Kh7 66.Qf6 Rf6 67.Rh4 Ra6 68.Rg4 Ra5 69.Kg2 h5 70.Rf4 Kg6 71.Kh3 Kg5 72.Re4 Kf5 73.Re8 Ra1 74.Rg8 Rh1 75.Kg2+– Ra1 76.f4 h4 77.Rg5 Kf6 78.gh4 Ra3 79.Rg3 Ra8 80.Rb3 Rh8 81.Kg3 Rg8 82.Kf3 Rh8 83.Rb6 Kf5 84.Rb5 Kf6 85.Kg4 Rg8 86.Rg5 Ra8 87.h5 Ra1 88.Rg6 Kf7 89.Rb6 Ra8 90.Kg5 Ra5 91.f5 Ra8 92.Rb7 Kg8 93.Kg6 Kh8 94.f6 Rg8 95.Rg7 (95.Rg7 Ra8 96.Rh7 Kg8 97.f7 Kf8 98.Rh8 Ke7 99.Ra8 Kd6 100.f8Q Kd5 101.Ra5 Kd4 102.Qc5 Kd3 103.Ra3 Ke4 104.Re3 Kf4 105.Qd4) 1–0. Camara,Helder (2340) – Braga,Cicero, BRA–ch Caxias do Sul, 1975.

8.Nbd2 Nh5 9.e4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Re8 13.Re1 Nf8 14.Nc4 Ne6 15.c3 Ng5 16.Ng5 Qg5 17.Bb2 Be6 18.Qa4 Qe7 19.b5 Qd7 20.Ne3 c6 21.bc6 bc6 22.d4 Rb8 23.Ba1 Qb7 24.Qd1 Qb3 25.Qf3 Qa2 26.Qd1 Bb3 27.Qd3 Be6 28.d5 cd5 29.ed5 Bc8 30.Qc2 Qc2 31.Nc2 Ba6 32.Nb4 Bc4 33.Bf1 Bf1 34.Kf1 Bh6 35.Rd1 f5 36.Ke2 e4 37.Nc6 Ra8 38.Bb2 Ra2 39.Rb1 Bg7 40.Nb4 Ra4 41.Nc6 Kf7 42.f3 Nf6 43.Nb4 ef3 44.Kf3 Ne4 45.Bc1 Bc3 46.Nc6 Kf6 47.Rb7 Ra1 48.Be3 h5 49.h4 g5 50.Bb6 g4 51.Ke3 Bd2 (better is 51...Ra8!? 52.Bd8 Rd8 53.Nd8 Be1 54.Rf7 Kg6–+) 52.Ke2= Ng3 53.Kd2 Ra2 54.Kd1 f4 55.Nb4 Ra1 56.Kc2 Kf5 57.Rf7 Ke4 58.Re7 Kf3 59.Bd4? Nf5 60.Ba1 Ne7 61.Kd3 g3 62.Nc2 Nd5 63.Bd4 0–1. Derisbourg,Denis (2090) – Helie,Marc (2145), FRA–chT2, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.Nbd2 Nbd7 8.0-0)

8.Nbd2 Nh5 9.e4 Re8 10.Nc4 Nf8 11.Ne3 Be6 12.c3 h6 13.a4 Qd7 14.a5 Bh3 15.c4 Bg2 16.Kg2 Ne6 17.Qa4 Qa4 18.Ra4 Rf8 19.a6 b6 20.Nd5 f5 21.Nh4 Kh7 22.f3 Rf7 23.Kg1 Raf8 24.Raa1 c6 25.Nc3 Nd4 26.b5 c5 27.Nd5 fe4 28.fe4 Nf3? (better is 28...Nf6 29.Bd4 ed4 30.Nf6 Bf6=) 29.Nf3+– Rf3 30.Rf3 Rf3 31.Nb6! Rd3?! (31...ab6 32.a7) 32.Nc8 Rb3 33.b6 (33.b6 Rb6 34.Nb6+–) 1–0. Aggelis,Nikolaos (1940) – Liaskos,Leonidas (1815), Pireus–ch, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7 7.d3 e5 8.Nbd2)

8.e4 b6 9.Nbd2 Bb7 10.a4 a5 11.b5 Re8 12.Nc4 h6 13.h3 Nh7 14.Nh2 Nc5 15.Ne3 (15.f4 ef4 16.Bg7 Kg7 17.Rf4 Nf6+=) 15...Qd7 16.Qg4 Ne6 17.c4 Nf6 18.Qe2 Nd4 19.Qd1 Nh7 20.Nf3 Nf3 21.Qf3 Ng5 22.Qg4 Qd8 (22...Qg4 23.Ng4 f5=) 23.Rae1 (better 23.f4!? Bc8 24.f5+=) 23...Bc8=+ 24.Qd1 Nh3 25.Kh2 Ng5 26.Nd5 h5 27.Bc1 Ne6 28.f4 ef4 29.gf4 Qh4 30.Kg1 Bd7 (30...Bb7 31.e5=+) 31.Qf3 (31.e5!?=) 31...Nd4 32.Qh3?? (better 32.Qf2 Qf2 33.Kf2=+) 32…Bh3-+ (32...Bh3 33.Re3 Bg2 34.Kg2 Qg4 35.Kf2 Rac8-+) 0-1. OrbiticS (2080) - opperwezen (2765), 2017 Summer Marathon, 2017. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 Nbd7 4.0-0 g6 5.b4 Bg7 6.Bb2 0-0 7.d3 e5)

9.a3 ab4 10.ab4 Ra1 11.Ba1 Re8 (11...Qe7 12.Nc3=) 12.Nfd2 (12.Nc3 Qe7=) 12...Nf8 (12...c6 13.Nc3=) 13.Nc3 Ne6 (13...c6 14.Qa4=) 14.Nd5 (14.e3 c6=) 14...Nh5 (14...c6 15.Nf6 Bf6 16.e3=) 15.Nf3 (15.e3 c6 16.g4 Nf6 17.Nf6 Bf6=) 15...f5 (15...c6 16.Ne3=) 16.e3 (16.Qd2 c6 17.Nc3 d5 18.cd5 cd5=) 16...Rf8 (16...c6 17.Nc3=) 17.b5 (17.Bb2 c6 18.Nc3 Nf6=) 17...Qd7 (17...Bd7 18.Qc2=) 18.Nd2 (18.d4 e4 19.Nd2 Nf6+=) 18...f4 (18...Nf6 19.Nf6 Bf6 20.f4+=) 19.Ne4 Qf7 (19...Qd8 20.ef4 ef4 21.g4+=) 20.Bf3 (20.ef4 ef4 21.Bf3 Ba1 22.Qa1 Nhg7+–) 20...Nf6 21.Nef6 Bf6 22.ef4 (22.Nf6 Qf6 23.ef4 g5+–) 22...Bg7 (22...Bd8 23.Bg4 c6 24.Nb4+=) 23.fe5 de5 (23...Be5 24.Be5 de5 25.Bg2+–) 24.Bg2 h5 (24...c6 25.Nb6+–) 25.h4 (25.Qe1 c6 26.bc6 bc6+–) 25...g5? (25...c6 26.Nb6+–) 26.Be4 (26.hg5!? Ng5 27.f4 Nh3 28.Kh2 c6 29.fe5 Nf2+–) 26...Re8 27.Qf3 gh4 28.Qf7 (28.gh4 c6 29.bc6 bc6 30.Qf7 Kf7+–) 28...Kf7+– 29.gh4 Rg8 30.Kh2 Nc5 (30...c6 31.bc6 bc6 32.Nb4+–) 31.Nc7 Ne4 32.de4 Bf6 33.f3 Bh4 (33...Be6 34.c5+– (34.Ne6?! Ke6 35.c5 Rc8+–)) 34.Be5 Rg5 (34...Be7 35.Nd5+–) 35.Bd6 Rg6 36.Bf4 (36.c5 Bd8+–) 36...Be7 (36...Bf6 37.Nd5+–) 37.Rd1 (37.Be5 Rg8+–) 37...Bc5 (37...h4 38.Be5+–) 38.Rd5 (38.Rd8 Rg8 39.Rg8 Kg8+–) 38...Bg1 39.Kh1 h4 40.Bg5 (40.Rd8 Bh3 41.Bd6 Be3+–) 40...Bf2 41.f4 (41.Re5 Rd6 42.Nd5 Be6+–) 41...Bg4 (41...Bg3 42.Rd8 Bg4 43.Rd3+–) 42.Kg2 Bb6 (42...Be3 43.Rd8+–) 43.Re5 h3 44.Kh2 Rg8? (44...Bd4 45.Re7 Kf8+–) 45.Re7 (45.Nd5 Bd4 46.Re7 Kf8 47.Bh6 Bg7 48.Rg7 Rg7+–) 45...Kg6 46.Ne6 Rh8 (46...Bf2 47.b6 Be1 48.f5 Bf5 49.ef5 Kf5 50.Nd4 Kg5 51.Re1+–) 47.c5 (47.Kg3 Be2 48.f5 Kh5+–) 47...Ba5 (47...Ba7 48.Rg7 Kh5 49.Rb7+–) 48.f5 Kh5 (48...Bf5 49.Rg7 Kh5 50.ef5+–) 49.Rg7 (better 49.Bf6 Bf5 50.ef5 Rh6+–) 49...Bd1 (49...Bf5 50.ef5 Bc3+–) 50.Bf4 Kh4 51.Bg3 (51.Bg3 Kh5 52.Rg6 Bf3 53.Nf4) 1–0. Vanderwaeren,Serge – Vandevoort,Pascal (2205), BEL–ch Brasschaat, 1990. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7)

9.a3 e4 10.de4 Ne4 11.Bg7 Kg7 12.Nd4 Re8 13.Qc2 Qe7 (13...Ng5 14.Nc3+=) 14.Nc3 Nc3 15.Qc3 Kg8 (15...Qe5 16.Rfd1=) 16.e3 Qe5 17.Nb5 Re7 18.Rfc1 Nf6 19.c5 Qc3 20.Nc3 ab4 (20...dc5 21.bc5 Re5 22.Na4+=) 21.ab4 (21.cd6 cd6 22.ab4 Ra1 23.Ra1 Be6+–) 21...Ra1 22.Ra1 dc5 23.bc5 c6 24.e4 (24.Ra8 Re8+=) 24...Be6 25.f4 (25.Ra7 Rd7+=) 25...Nd7 26.Ra5 f6 27.Kf2 Kf7 28.h4 Re8 29.Bf1 (29.Na4 Rd8+=) 29...Ke7 30.Na4 Bb3 (30...Rd8 31.Ke3=) 31.Nb6 (31.Bh3 Bc2+=) 31...Nb6 32.cb6 Kd6 33.Ke3 Bd5 34.Bg2 c5 (34...Bc4 35.Kd4 Bb5 36.Ra2=) 35.Kd3+= Bg8 36.Ra1 (36.Ra7 Rd8 37.e5 fe5 38.Rb7 c4 39.Ke3 ef4 40.Kf4 Kc5=) 36...Kc6= 37.e5 Bd5 38.Bd5 Kd5 39.ef6 Rf8 40.Re1 Rf6 41.Re5 Kc6 42.Kc4 Kb6 43.h5 (43.Rc5 Rc6 44.Rc6 Kc6=+) 43...Rc6 (43...gh5 44.Rh5 Rg6 45.f5 Rg4 46.Kd5 Rg3 47.Rh6 (worse 47.Rh7 Rd3 48.Ke6 Re3 49.Kd5 Rf3=) 47...Kb5 48.Rh7 Rd3 49.Ke5=) 44.h6 (44.Re7 h6=) 44...Rc7 45.Re8 Ka6 46.Ra8 Kb6 47.Rf8 Ka5 48.Ra8 Kb6 ½–½. Pietrobono,Alfredo Manuel (2245) – Molo,Rene Angel (2270), Magistral, 2007. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7)

9.a3 Re8 10.Nbd2 Nh5 11.e4 Nb8 12.h3 (12.Re1 Qe7=) 12...c5 (12...Be6 13.Qa4=) 13.b5 (13.bc5 dc5 14.Nb1 Nc6+=) 13...Be6 (13...Nd7 14.Re1=) 14.Kh2 (14.Re1 Nd7+=) 14...Bh6 (14...Nd7 15.Nb1=) 15.Nb1 Nd7 16.Nc3 Nf8 17.a4 b6 (17...Bd7 18.Nd5=) 18.Bc1 (18.Nd5 Nf6=) 18...Bg7 (18...Bc1 19.Qc1 Bc8 20.Qh6=) 19.Ra2 (19.Nd5 Bd7=) 19...Ra7 (19...Bd7 20.Bg5 Bf6 21.h4=) 20.Nh4 (20.Bg5 Nf6=) 20...Bf6 (20...Nf6!?=) 21.Nf5+= Ng7 (21...Nf4 22.Nh6 Kg7 23.Ng4 Ng2 24.Kg2+=) 22.Nh6+– Kh8 23.Nd5 (23.h4 Bc8+–) 23...Bd5 (23...Bg5 24.Bg5 Qg5 25.Qc1 Qc1 26.Rc1+=) 24.cd5+– Bg5 25.Bg5 (25.Be3 f5 26.h4 Bh4+–) 25...Qg5+= 26.Ng4 f5 (26...Nd7 27.Ne3+=) 27.f4 (27.Ne3!?+–) 27...ef4+= 28.gf4 Qh4 29.Ne3 Nh5 30.Qf3 (30.Nc4 Qg3 (worse 30...Nf4 31.Nd6 Rd8 32.Nc4+–) 31.Kh1 Rd8+–) 30...fe4 (30...Nf6 31.Nc4 (31.ef5?? Re3 32.Qd1 gf5–+) 31...fe4 32.Qd1=) 31.de4+= Rf7 The pressure on f4 grows 32.Qf2 Qf4 33.Qf4 Rf4 (worse 33...Nf4 34.Nc4 Rf6 35.Nb6+–) 34.Rf4 (34.Raf2 Rf2 35.Rf2 Nd7+=) 34...Nf4= 35.Bf3 (35.Nc4 A) worse 35...Ng2 36.Nd6 (36.Rg2?! Re4 37.Nb6 Kg7=) 36...Re7 37.Kg2+–; B) 35...Nd7 36.Nd6 Rf8=) 35...Rd8 (better 35...Nd7!?–/+) 36.Nc4 (36.Ra3 Nd7 37.Kg3 Ne5 38.Kf4 Rf8 39.Nf5 gf5 40.ef5 Kg7=+) 36...Nd7 37.Nd6?? (better 37.Bg4 Ne5 38.Nb6=+) 37...Ne5–+ 38.Kg3 Nfd3 39.Be2? (39.Nb7 Rd7 40.Na5 ba5 41.h4–+) 39...Rd6 40.Rd2 (40.Bd3 Nd3 41.Rd2 Nb4–+) 40...Rf6 (better 40...Nc1!? 41.Kf4 Nf7 42.Bc4 Rf6 43.Kg3–+) 41.Rd3 Nd3 42.Bd3 Kg8 (42...g5 43.e5 Rf4 44.d6–+) 43.Bc4?? (better 43.e5 Rf8 44.d6–/+) 43…Kf8–+ 0–1. Gravett,A (1820) – Eagleton,Greg T (2055), Gibraltar Masters (5), 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7)

9.b5 Nc5 10.a4 Bd7 11.Ba3 (11.Nbd2 Qe7=) 11...Re8 (11...e4 12.Nfd2=+) 12.Nc3 c6 (12...e4 13.Nd2 ed3 14.ed3 Nd3 15.Bb7-/+) 13.d4 ed4 14.Nd4 (14.Qd4?? Nfe4 15.Bc5 Nc3 (15...Nc5?! 16.Qd6 Bc3 17.Qc5-/+) 16.Qg7 Kg7 17.Bd4 f6 18.Bc3 Qc7-+) 14...Qc7 15.bc6 bc6 16.Bc5 (16.Rb1 Rab8=) 16...dc5=+ 17.Nb3 Bg4 (17...Bf5 18.Qc1=+) 18.Qc2= (worse 18.Nc5 Nd7 19.N5e4 f5-/+) 18...Bf5 19.e4 Ne4? (better 19...Be6!?=) 20.Ne4+/- (20.Be4?! Bc3 21.Qc3 Re4 22.Nc5 Re5=) 20...Ba1 21.Ra1 Be4 22.Be4 Qe5?? (22...Rab8 23.Bg2 (23.Nc5? Qe5 24.Rd1 Qc5-+) 23...Rb4 24.Rd1+/- (24.Nc5? Qe5 25.Rd1 Qc5-+)) 23.Re1 (23.Bc6!? Rab8 24.Be8 Rb3 25.Qb3 Qa1 26.Kg2 Qe1+-) 23...f5? (better 23...Qc7 24.Qc3 Qb6+-) 24.Bd5!! Qd5 (24...cd5 25.Re5 Discovered attack) 25.Re8 (25.Re8 Re8 26.cd5 cd5 27.Qc5+-) 1-0. chesserstein (2170) - igo1 (2190), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 0-0 5.b4 d6 6.Bb2 e5 7.d3 Nbd7)

9.b5 Nc5 10.Nc3 a4 11.Rb1 a3 12.Ba1 Re8 13.Nd2 Bf5 14.Nd5 (14.Nb3 e4 15.Nc5 dc5 16.de4 Ne4=) 14...Nd5 15.cd5 b6 (15...Nd3 16.ed3 Bd3 17.Qb3 Bf1 18.Rf1=) 16.e4 (16.Nc4!?=) 16...Bd7=+ 17.Nc4 Rf8 18.d4 (18.Rb4 Qe8=) 18...ed4=+ 19.Bd4 Bd4 20.Qd4 Qe8 21.e5 Bb5 22.ed6 Bc4 (22...Ra4 23.Rfc1 cd6 24.Bf1=+) 23.Qc4= cd6 24.Rb6 Qe5 25.h4 (25.Rfb1 Rfe8=) 25...Rfb8 26.Rfb1 Rb6 27.Rb6 h5 (27...Re8 28.Kh2=) 28.Kh2 (28.Bf3!?=) 28...Ra4=+ 29.Qb5 (better 29.Rb8 Kg7 30.Rb4 Rb4 31.Qb4-/+) 29...Ra8 (better 29...Rh4! 30.Kg1 Rd4 31.Rb8 Kh7-/+) 30.Qc6+= Rd8 31.Qc7 Attacking the isolated pawn on d6 31...Rd7 32.Rb8 Kg7 (32...Kh7 33.Qc8+=) 33.Qc8 Kh7 34.Ra8 Qf6 35.f4 (better 35.Qg8 Kh6 36.Qe8+/-) 35...Nd3?? (better 35...Kh6+/-) 36.Qd7+- Nf2 37.Qc8 (better 37.Bf3 Nd3 38.Qe8+-) 37...Ng4+/- 38.Kh3 (38.Qg4! hg4 39.Ra3+=) 38...Nf2= 39.Kh2 Ng4 40.Kh1?? (better 40.Qg4! hg4 41.Ra3+=) 40…Qa1 (40...Qa1 41.Qc1 Qc1 42.Bf1 Qf1) 0-1. Hjartarson,J (2525) - Osorio Guevara,Javier Jose (2095), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7)

9.a3 Nb6 10.c4 Bd7 11.b5 a4 12.Rb1 Re8 13.e4 (13.c5 Nbd5=) 13...Nh5 (13...Be6 14.Ng5=) 14.d4 c5 (14...ed4!? 15.Qc2 Qe7=) 15.bc6+/– bc6 16.c5 dc5 17.dc5 Nc8 18.Nc4 f6 19.Qc2 (19.Nb6 Nb6 20.cb6 Rb8+/–) 19...Qc7 20.Bc3 (20.Rfd1 Rd8+/–) 20...Bf8 (20...Rd8 21.Nb6 Nb6 22.cb6+/–) 21.Bb4 (21.Nb6 Nb6 22.cb6 Qb7+/–) 21...Be6 22.Rfc1 (22.Nb6 Nb6 23.cb6 Qb7 24.Bf8 Rf8+/–) 22...Ng7 (22...Ra7 23.Rd1+=) 23.Nfd2 Bf7 24.Nb6 Ra7 25.Bh3 Be6 26.Bf1 Rd8 27.Ndc4 Bf7 28.Ba5 Bc5 29.Nd5!+– cd5 30.Bc7 Rc7 31.ed5 Bd5 32.Qa4 Ne6 33.Ne3 Ra7 34.Qg4 Be3 35.fe3 f5 36.Qh4 Nd6 37.Rd1 Ne4 38.Rd5! Rd5 39.Bc4 Rd6 40.Qh6 Ra8 41.Be6 (41...Kh8 42.Rb7 Rd1 43.Kg2 Rd2 44.Kf1 Rd1 45.Ke2 Nc3 46.Kf3 Rf1 47.Kg2 Rf2 48.Kf2 Ne4 49.Ke1 Ra3 50.Qh7) 1–0. Lao,Elias (2250) – Soria,R, Greenhills op, 1996.

9.a3 Nb6 10.c4 Bd7 11.b5 a4 12.Rc1 c5 13.bc6 Bc6 (worse 13...bc6 14.c5 dc5 15.Ne5+/-) 14.c5 dc5 15.Rc5 Nfd7 16.Rc2 Qe7 17.Qa1 Rfe8 18.Rfc1 Nd5 19.e4 Nc7 (19...N5f6 20.Bc3+=) 20.d4+= ed4 21.Nd4 (worse 21.Bd4 Bf8=) 21...Bd4 22.Bd4 Nb5 Attacking the isolated pawn on a3 23.Bb2 Ne5 24.Nc4 (24.Bf1 Rad8 25.Be5 Qe5 26.Qe5 Re5+=) 24...Nc4 (24...Nd3 25.Bf6 Qc7 26.Rd1 Be4 27.Ne3+/-) 25.Rc4+= Nd6 Can e4 get defended? 26.Rb4 Rec8 27.Rc5 Ne8 28.Qc1 Bd7 29.Rbc4 (29.Rc3 Bc6+/-) 29...Rc5 30.Rc5 Bc6 31.Qc3 f6 32.e5 Bg2 33.Kg2 b6 34.Rc6 Rd8 (34...fe5 35.Rb6 Rd8 36.Qc4 Kf8 37.Qa4+-) 35.Rb6 (35.Qc4 Qf7 36.e6 Qe7 37.Rb6 Rd6 38.Rd6 Nd6+-) 35...fe5+/- 36.Rb4 Rd4 (better 36...Rd5!?+/-) 37.Rd4+- ed4 38.Qd4 Qb7 39.Kg1 (39.f3 Qb3 40.Qh8 Kf7 41.Qh7 Kf8 42.Qh8 Ke7 43.Qe5 Kd7+-) 39...Kf7 40.Qh8 Qe4 41.Qh7 Ke6 42.Qh3 Kd6 43.Qf1 Nc7 44.Qd1 Nd5 45.h4 Ke6 (45...Kc5+-) 46.Bd4 Kf5 (46...Ne7 47.Qa4 Nc6 48.Qc4 Qd5 49.Qe2 Kd6 50.Bb2+-) 47.Qa4 (47.Qa4 Kg4 48.Qd1 Qf3 49.Qe1+-) 1-0. Stein,Leonid - Rodriguez Gonzales,Jesus, Habana Capablanca Memorial Elite 6th, 1968. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 Nbd7 7.Nbd2 e5 8.0-0)

9.a3 Nb6 10.c4 h6 11.c5+= Nbd7 12.Rc1 (12.cd6!? cd6 13.Nc4+=) 12...ab4= 13.ab4 Ra2 14.Qb3 Ra8 15.cd6 cd6 16.Ra1 Ra1 17.Ra1 Re8 18.Ra8 Qe7 19.Qc3 Nb6 20.Ra7 d5 (20...Be6!?=) 21.Ne5+= Bf5 (21...Nfd7!? 22.Nc6 Qf6 23.Qf6 Bf6 24.Bf6 bc6+/-) 22.Qc5+/- Qc5 23.bc5 Rb8?? (better 23...Nbd7 24.d4 Ne5 25.de5 Nd7+-) 24.cb6 Nd7 (24...Rc8 25.Nef3 Ne8 26.Nd4+-) 25.Nd7 Bd7 26.Bg7 Kg7 27.Bd5 Bc6 28.Bc6 bc6 29.Nc4 Kf6 30.Kg2 c5 31.Kf3 Ke6 32.g4 1-0. gbsrao (2355) - lovecraft (2335), net-chess.com, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.0-0 Nbd7 8.Nbd2)

9.b5 Nc5 10.a4 Be6 11.Ng5 Bc8 12.Nc4 h6 13.Nf3 Be6 14.Nfe5 (better 14.Nfd2=) 14...de5-/+ 15.Be5 (15.Ne5 Ng4 16.Ba3 Be5 17.Bc5 Ba1 18.Qa1 Re8-/+) 15...Bd5 (15...Bc4!? 16.dc4 Qe7 17.Bd4-+) 16.Bd5-/+ Nd5 17.Bg7 Kg7 18.e4 (18.Qd2 f5-/+) 18...Nb6 (18...Nc3!? 19.Qd2 Qd4 20.Ra3 N3e4 21.Qf4-+) 19.Nb6-/+ cb6 20.Re1 Qd4 21.Qf3 (21.e5 Rac8-+ (21...Na4 22.Re4 Nc3 23.Rd4 Nd1 24.Rd1+/-)) 21...f5 (21...Na4!? 22.e5-+) 22.e5 f4 (22...Na4?! 23.Qb7 Kh8 24.Qc6=+) 23.gf4 Rf4 (23...Na4?! 24.Qb7 Kh8 25.f5=+) 24.Qg2?? (better 24.c3 Qc4 25.Qb7 (worse 25.dc4 Rf3 26.Rad1 Rc3-+) 25...Nb7 26.dc4-+) 24...Raf8 (better 24...Rg4 25.h3 Rg2 26.Kg2-+) 25.h3 (25.c3 Qc3 26.Rac1 Qd3 27.e6 Rf2 28.Qg3 Qg3 29.hg3-+) 25…Rf2 (25...Rf2 26.Kh2 Rg2 27.Kg2 Rf2 28.Kg1 Qf4 29.d4 Qh2) 0-1. gbsrao (2385) - lovecraft (2220), net-chess.com, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7 8.Nbd2)

9.Qc1 b6 10.a4 Bb7 11.c4 a5 12.b5 Nc5 13.Qc2 Qd7 14.Nb3 Qe6 15.Nc5 dc5 16.Be5 Nd7 17.Bg7 Kg7 18.Qc3 Kg8 19.Rfe1 Bf3 20.ef3 Ne5 21.f4 Qf5 22.Re5 Rbc8 23.Rf5 gf5 24.Qf6 Rcd8 25.Rd1 Rfe8 26.Qf5 Re2 27.Be4 Ra2 28.Qh7 Kf8 29.Qh8 Ke7+– 30.Bd5 Ra4?? 31.Re1 Kd7 32.Bc6 Kc8 33.Re8 Ra1 34.Kg2 Kb8 35.Rd8 Ka7 36.Ra8# 1–0. linakip – zaqq, kurnik, 2012.

9.e4 Qe7 10.c4 Ne8 11.Qc2 b6 12.a3 a6 13.Rfe1 c6 14.Nf1 Nc7 15.Ne3 Ne6 16.Qd2 Nd4 17.Nd4 ed4 18.Nc2 c5 19.a4 h5 20.h3 h4 21.g4 g5 22.Bc1 Bf6 23.Rf1 Ne5 24.f4 gf4 25.Qf4 (worse 25.Rf4 Bg5 26.Qe2 Bf4 27.Bf4 Ng6-/+) 25...Bg7 26.Ne1 Be6 27.g5 Ng6 28.Qd2 f6 29.b5 ab5 30.ab5 Ne5 31.Nf3 Nf3 32.Rf3 (worse 32.Bf3 Bh3 33.Rf2 Qe5=+) 32...f5 33.ef5 Bf5 34.Qf2 (34.Ra6!?+=) 34...Bd3= 35.Rf8 Rf8 36.Bd5 Kh7 37.Qh4 Kg6 38.Bf4 Rh8 39.Qg3 Bf5 40.Re1 Be5 41.Be5?? (better 41.h4 Bf4 42.Re7 Bg3 43.Bf7 Kg7 44.Bh5 Kg8 45.Re8 Kh7 46.Re7 Kg8 47.Re8 Kg7 48.Re7 Kf8 49.Re8 Kg7 50.Re7=) 41...Rh3-+ (worse 41...de5 A) worse 42.Re5 A1) 42...Rh3?? 43.Qh3 (43.Re7 Rg3 44.Kf2 Rh3-/+) 43...Qg5 44.Qg2+-; A2) 42...Qg5 43.Qg5 Kg5-/+; B) worse 42.Qe5 Qe5 (42...Qg5?! 43.Bg2 Rg8 44.Qd6 Kh5 45.Qd5=+) 43.Re5 Rh3-/+; C) 42.h4 e4 43.Qf4+=) 42.Qg2 de5 43.Be4 Rh4 (43...Qg5?? 44.Bf5 Kf5 45.Re5 Ke5 46.Qg5 Ke4 47.Qg4 Kd3 48.Qh3 Kc4 49.Qd7+-) 44.Bf5 Kf5 45.Rf1 Rf4 46.Rf4 ef4 (46...Kf4?! 47.g6 Qg7 48.Qc6-+) 47.Qd5 (47.g6 Qe3 48.Kh2 f3 49.Qh3 Kg6 50.Qg4 Kf6 51.Qh4 Ke5 52.Qe7 Kf5 53.Qh7 Ke6 54.Qg6 Ke7 55.Qg7 Kd6 56.Qf6 Qe6 57.Qf3 Qh6 58.Kg2 Qd2 59.Kf1 Qc1 60.Kf2 Qc4 61.Qf8 Kd7 62.Qg7 Ke8 63.Qh8 Ke7 64.Qh4 Kd7 65.Qh7 Kd6 66.Qh2 Ke6 67.Qh6 Kf5 68.Qh5 Kf6 69.Qh6 Kf7 70.Qh7 Kf8 71.Qh6 Kg8 72.Qg6 Kh8 73.Qh6 Kg8 74.Qg6 Kf8 75.Qh6 Ke7 76.Qh4 Ke6 77.Qh6 Ke5 78.Qh5 Kf4 79.Qh4 Ke5 80.Qh5 Ke4 81.Qf3 Ke5 82.Qh5=) 47...Qe5 48.Qc6 (48.Qd7 Kg5 49.Kf2-+) 48...Qe1 49.Kg2 Qe2 50.Kg1 f3 (50...f3 51.Qd5 Kg4 52.Qd7 Kg5 53.Qg7 Kf4 54.Qh6 Ke4 55.Qg6 Ke3-+) 0-1. Kristiansen (2405) - Mortensen (2450), Denmark, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.Nbd2 Nbd7 8.0-0)

9.e4 Re8 10.Nc4 Nf8 11.Nfd2 c6 12.Kh1 b5 13.Na5 Qc7 14.c4 c5 15.a3 Ne6 16.cb5 Rb5 17.Rc1 Qb8 18.a4 (better 18.Ndc4 Bd7 19.f4 cb4 20.fe5 ba3 21.Na3 Rb2 22.ef6=) 18...Ra5!-+ 19.Nc4 (19.ba5 Qb4 Double attack (19...Qb2 Pinning; 19...Qb2 Deflection; 19...Qb4 Decoy; 19...Qb2 Clearance)) 19...Ra6 (19...Qb4?! 20.Bc3 Qa4 21.Ba5 Qd1 22.Rcd1=+) 20.b5 Rb6! 21.f4 (21.Nb6 ab6 Combination) 21...Nd4 22.fe5 de5 23.Nb6 ab6 24.Bd4 ed4 25.a5 Ng4 26.Qa4 Ne5 27.Rfd1 Bg4 28.Rd2 (28.a6 Bd1 29.Qd1 Re7-+) 28…Bh6 (28...Bh6 29.Qa2 Nd3 30.Rd3 Bc1-+) 0-1. Vanderwaeren,Serge (2315) - Van Leeuwen,Etienne, Belgium, 1992. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7 8.Nbd2)

9.e4 Re8 10.Re1 b6 11.Nc4 Bb7 12.a3 h6 13.h3 Kh7 14.Kh2 Kg8 ½–½. Ragni,Paolo (2155) – Ferretti,Carlo (2030), Piemonte–ch, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nbd7 8.Nbd2)

9.a3 a5 10.c3 ab4 11.cb4 Nd5 12.Nc4 Qc7 13.e4 Ne7 14.Na5 f5 15.Nd2 f4 16.Nf3 fg3 17.hg3 Nf6 18.Qb3 Kh8 19.Rac1 Bg4 20.Nh2 Bd7 21.Rc2 Ng4 22.Rfc1 Nh2 23.Kh2 Bh6 24.Rd1 Bg4 25.Rf1 Bf3 26.Nc4 b5 27.Bc1 bc4 28.Qc4 Bg2 29.Kg2 Bc1 30.Rcc1 Ra3 31.Rcd1 Kg7 32.Qe6 Rf6 33.Qc4 d5 34.ed5 Nd5 35.d4 e4 36.Rfe1 Qf7 37.Re2 Nc3 38.Rf1 Ne2 39.Qe2 e3! 40.f3 Ra2 (40...Ra2 41.Qa2 Qa2 42.Kh3 Rf5–+) 0–1. linakip – boryks, kurnik, 2012.

9.Qc1 a6 10.a3 Nh5 11.c4 f5 12.e4 f4 13.g4 Nhf6 14.h3 h5 15.g5 Nh7 16.h4 Qb6 17.Nb3 c5 18.Qc2 cb4 19.ab4 Qb4 20.Ba3 Qb6 21.c5 Qc7 22.Qc4 Kh8 23.Rac1 Rd8 24.c6 bc6 25.Qc6 Qc6 26.Rc6 Bb7 27.Rd6 Nb6?? 28.Rg6 Rac8?? 29.Re6 Nd7 30.Bd6 Ndf8 31.Bf8 Nf8 32.Na5 Ne6 33.Nb7 Rd7 34.Na5 Rd3 35.Nc4 Rc3 36.Nce5–/+ Be5 37.Ne5 R3c5 38.Nf7 Kg7 39.Nd6 Rd8 40.e5 Re5 41.Nc4 Rc5 42.Nb6 a5 43.Ra1 Rd2 44.Nd7 Rcc2 45.Rf1 Nd4 46.Ne5 a4 47.Nf3 Nf3 48.Bf3 a3 49.Be4 Rb2 50.Kg2 a2 51.Kf3 Rf2!! 52.Rf2 Rf2 53.Kf2 a1Q 54.Kf3 Qc3 55.Kf4–+ Qc7 56.Kf5 Qc5 57.Kf4 Qd4 58.Kf3 Qe5 59.Bd3 Kf7 60.Bf1 Ke7 61.Bh3 Kd6 62.Kf2 Kd5 63.Kf3 Kd4 64.Kg2 Qf4 65.Be6 Qh4 66.g6–+ Qg5 67.Kf3 Qf6 68.Bf5 Qf5 (68...Qf5 69.Kg3 Ke3 70.g7 Qg4 71.Kh2 Kf2 72.g8Q Qh4#) 0–1. linakip – 4dan, kurnik, 2011.

9.c4 Qe7 10.Rb1 Rd8 11.Qc2 Nf8 12.c5 d5 13.Be5 Re8 14.Rfe1 Ng4 15.Bg7 Kg7 16.Qc3 Qf6 17.Qf6 Nf6 (17...Kf6? 18.e4 Be6 19.Nd4+–) 18.Nd4 Bg4 19.N2b3 Ne6 20.h3 Nd4 21.Nd4 Bd7 22.e3 Re7 23.Kh2 Rae8 24.Bf3 h5 25.a4 a6 26.b5 ab5 27.ab5 Ra8 28.bc6 bc6 29.Ra1 Ree8 30.Reb1 Ra1 31.Ra1 Rb8 32.Ra6 Rb2 33.Kg2 Rd2 34.Be2 g5 35.Bf1 g4 36.h4 Kf8 37.Nc6 Bf5 38.Ne5 Kg7 39.c6 Ne8 40.Ra5 f6 41.Ra7 Kf8 42.Nd7 Ke7 43.Nc5 Kd8 44.d4 Nc7 45.Rb7 Bc8 46.Rb3 Rc2 47.Rb8 Rc5 48.dc5 Ne6 49.Ba6 Kc7 50.Rc8# 1–0. wictorio (1845) – ksiazearagorn, kurnik, 2012. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 g6 4.b4 Bg7 5.Bb2 0-0 6.d3 Nbd7 7.Nbd2 e5 8.0-0)

9.c4 Qe7 10.Rc1 a6 11.a4 Re8 12.b5 c5 13.Nb3 Nf8 14.b6 a5 15.Bc3 N6d7 16.Ba5 1–0. gbsrao (2235) – fhupp (2295), net–chess.com, 2011.

9.c4 Re8 10.Qc2 Qc7 11.e4 (11.a3 Bf8=) 11...b6 12.d4 ed4 13.Nd4 Bb7 14.Rad1 a6 15.a3 Rac8 16.Rfe1 Re7 17.Qb1 Rce8 18.N4b3 c5 19.f3 (19.Qd3 Ba8=) 19...Nh5 20.Nc1 Bb2 21.Qb2 f5 22.Nd3 Ne5 23.Nf2 (23.Ne5 Re5 24.Qc3 cb4 25.ab4 fe4 26.fe4 Rf8=) 23...f4+= 24.g4 Ng7 25.Qc3 (25.Rb1 Qd7+=) 25...Ne6 26.Nd3 g5 (26...Bc6 27.Nb2+=) 27.Ne5 de5 28.Nb3 Rc8 29.Bf1 Kg7 30.Rd2 Bc6 31.b5 Bb7 32.a4 a5 (32...Nd4 33.ba6 Ba6 34.Ra1+=) 33.Rc1 (33.h4!?=) 33...Nd4+= 34.Nd4 cd4 35.Qa3 Qc5 36.Qc5 Rc5 37.h4 gh4 38.Rh2 Bc8 39.Rh4 Be6 40.Rh2 Rec7 41.Rhc2 Rc8 42.Bd3 Rh8 43.Rh2 Bf7 44.Kf1 Kf6 45.Ke2 Bg6 46.Bb1 Rhc8 47.Ba2 Ke7 48.Kd3 Kd6 49.Rh6 R5c7 50.Bb3 Kc5 51.Rch1 Rd8 52.Rc1 Rd6 53.Rh2 Rg7 54.Rch1 Rd8 55.Rh6 Rh8 56.Ba2 Rgg8 57.Bb3 Rd8 58.Ba2 Rd6 59.Bb3 Rc8 60.Ba2 Rd7 61.Bb3 Rdc7 62.Ba2 Kd6 63.Bb3 Ke7 64.Ba2 Kf8 65.Bb3 Kg7 66.Ba2 Rc5 67.Bb3 R8c7 68.Ba2 ½–½. Poley,Vladimir (2345) – Weber,Ulrich (2285), Dotzheim op 1st, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nbd7 8.Nbd2 c6)

9.c4 Re8 10.Qc2 Qe7 11.a4 e4 (11...a5 12.b5=) 12.de4+= Ne4 13.Bg7 Kg7 14.Ne4 Qe4 15.Qc3 Nf6 16.a5 d5 (16...Qe2?? 17.Rfe1+–) 17.cd5 cd5 18.Nd4 Qe5 19.Rac1 Bd7 20.Qa1 Rac8 21.e3 Kg8 22.Rc8 Rc8 23.Rc1 Rc7 24.Rc7 Qc7 25.Nb3 Ne4 26.Be4 de4 27.Nc5 Qc6 28.Nd7 ½–½. Ramos Mora,Jose Luis (2290) – Smith,Michael R, ICCF EM/J50/P129 ICCF Email, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.Nbd2 Nbd7 8.0-0)

9.c4 Re8 10.e4 b6 11.Qb3 Bb7 12.Rfe1 Qc7 13.Rac1 Rad8 14.Nb1 Qb8 15.Rcd1 d5 16.cd5 cd5 17.Nc3 Nf8 18.ed5 Nd5 19.Ng5 Qa8 20.d4 e4 21.Re4 Re4 22.Be4 h6 23.Bd5 Rd5 24.Nh3 Rd4 25.Rd4 Bd4 26.Nf4 Qe8 27.Qd1 Bc3 0–1. Bevan – Wells (2355), Morecambe, 1981.

9.c4 Nh5 10.Qb3 Kh8 (10...Nhf6 11.a3=) 11.b5 f5 12.bc6 bc6 13.Ba3 (13.Rab1 Qc7=) 13...Qf6 (13...Rb8!? 14.Qa4 Qc7=) 14.Qa4+= Nb6 (14...Nb8!?+=) 15.Qc6+/- Be6 (15...Rd8!? 16.Rab1 Rb8+/-) 16.Qd6+- Rad8 (16...Rfd8 17.Qc5+-) 17.Qb4 f4?! (17...Bc8+-) 18.Ne4 Qf7 (18...Qf5 19.Nfg5 Nf6 20.Bh3 (worse 20.Ne6 Qe6 21.Qe7 Qg8+-) 20...Qh3 21.Nh3 Ne4 22.Qa5+-) 19.Nfg5 (19.Qb5 Bd7 20.Qa5 Bf5 21.Bf8 Rf8+-) 19...Qg8 20.Ne6 Qe6 21.Bb2 (21.Qe7!? Qg8+-) 21...h6 (21...Nf6 22.Qa5 Ne4 23.Be4+- (23.de4?! Nc4 24.Qc3 Rc8+=)) 22.a4 (22.Qa5 Rb8 23.Rab1 Rf7+-) 22...g5 (22...Nf6 23.a5 Nbd7 24.Ba3 fg3 25.hg3+-) 23.a5 Nd7 24.Qd6 (24.Qd6 Qd6 25.Nd6+-) 1-0. Cox,Tr (2140) - Zabrocki,Philip (1945), Checkmate Covid Rematch, 2021. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7 7.d3 e5 8.Nbd2)

9.c4 Nh5 10.e4 Qe8 11.Qb3 Kh8 12.d4+/– f5 13.c5+– dc5 14.dc5 b6 15.Ng5 bc5 16.Ne6 c4? 17.Ng7+– Ng7 18.Nc4 f4 19.Rfd1 Qe7 20.Qc3 Rb8 21.Ne5 Ne5 22.Qe5 Qe5 23.Be5 Rb5 24.Bf4 Ne6 25.Bd6 Re8 26.Rac1 Rb6 27.a4 Ng5 28.a5 Rb7 29.f4 Nh3 30.Kf1 Bg4 31.Rd4 Rf7 32.Rc6 g5 33.Bh3 Bh3 34.Ke2 gf4 35.gf4 Kg8 36.Rc3 Bg2 37.Rg3 Rg7 38.Rg7 Kg7 39.Ke3 Kg6 1–0. Tiggelman,R (2165) – Vandendriessche,Jan, Belgian Interteams, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7 7.d3 e5 8.Nbd2)

9.Nc4 Qc7 10.e4 Re8 11.Re1 b5 12.Na5 c5 13.a3 Nb6 14.Rb1 c4 15.d4 Bg4 16.d5 Nbd5 17.ed5 e4 18.Bf6 Bf6 19.h3 ef3 (worse is 19...Bf3 20.Bf3 ef3 21.Qf3=) 20.hg4 fg2 21.Qf3 Kg7 22.Nc6 Qd7 23.Kg2 a6 24.Kf1 h6 25.Re8 Re8 26.Re1 Rh8 27.Kg2 h5 28.gh5 Rh5 29.Rh1 Rf5 30.Qe3 (30.Qe4!?=) 30...Rd5+= 31.Nb8 Qc8?? (better is 31...Qe7 32.Qe7 Be7+=) 32.Qh6+– Kg8 33.Qh7 Kf8 34.Qh8! Bh8 35.Rh8 Ke7 36.Rc8 Rd2 37.Na6 Rc2 38.a4 ba4 39.b5 a3 40.Nb4 Rb2 41.Rc4 a2 42.Nd5 Ke6 43.Nf4 Kf5 44.Ra4 Rd2 45.b6 g5 46.b7 (46.b7 Rb2 47.Ra2 Rb7 48.Ra5 Kf6 49.Nd5 Ke6 50.Ne3+–) 1–0. Cacheiro Martinez (1990) – Carneiro (2215), Mondariz op 4th, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 Nbd7 7.d3 e5 8.Nbd2 c6)

9.e4 a5 10.c3 ab4 11.cb4 b5 12.a3 Bb7 13.Nb3 Nb6 14.Na5 Qc7 15.Rc1 Na4 16.Ba1 (16.Nb7 Nb2 17.Qc2 Qb7 18.Qb2 Rfe8+=) 16...Nd7 17.Qc2 Rac8 18.Nd2 Ndb6 19.Nb1 Qd7 20.Qb3 Ba8 21.Rc2 Kh8 22.Rfc1 f5 23.f3 fe4 24.fe4 c5 25.Nc3 cb4 26.ab4 Nc3 27.Rc3 Rc3 28.Rc3 Na4 29.Rc2 Qf7 30.Qb1 Bh6 31.Qd1 Be3 32.Kh1 Qb3?? 33.Bf3 Qf7 34.Bg2 Bb6 35.Qe2 Ba5 36.ba5 Qa7 37.Qd2 1–0. linakip – popissldwon, kurnik, 2011.

9.e4 Qe7 10.a4 h6 11.c4 Nh7 12.Qb3 Ng5 13.Nh4 Ne6=+ 14.Bh3 a5 15.c5 Nf4 16.Bd7 Bd7 17.cd6 Ne2 18.Kg2 Qd6 19.ba5 Be6 20.Nc4 Qd8 21.Rfe1 Nf4 22.gf4 Qh4 23.fe5 f6 24.Re3 fe5=+ 25.Qc2 Rf4 26.Rg3 Raf8 27.Rf1 Qh5 28.f3 Bf6 29.Qc3= Rh4 30.Rh1 Bh3 31.Kg1+= Rf4 32.Ne5 Be5 33.Qe5 Qe5 34.Be5 Rf3 35.Rh3 Rh3 36.Bg3 Rh5 37.e5 Rg5 38.Kg2–/+ h5 39.h4 Rg4 40.Rb1 g5 41.Rh1 gh4 42.Rh4 Rh4 43.Bh4 Rf4 44.Bf2 Ra4 45.Bb6 Ra3 46.d4 Kf7 (47.Bd8 Ke6–+) 0–1. Popov,Vasil – Shikerov,Stefan (2270), BUL–ch sf Sofia, 1992.

9.c4 a5 10.a3 c6 11.b5 =.

9.c4 a5 10.a3 c6 11.Qc2 Qe7 12.e4 Nf8 13.h3 h5 14.c5 dc5 15.Nc4 ab4 16.Be5 Be6 17.Bd6 b3 18.Qb2 Ne4 19.Be7 Bb2 20.Nb2 Re7 21.de4 b5 22.Ne5 Rea7 23.Nc6 Ra3 24.Rab1 Nd7 25.f4 Nb6 26.f5 Bd7 27.e5 Re8 28.e6 fe6 29.f6 Rf8 30.Ne7 Kh7 31.Nd3 c4 32.Ne5 Be8 33.f7 Bf7 34.Nf7 Kg7 35.Ng5 Rf1 36.Rf1 b2 37.Rf7 Kh6 38.h4 1–0. Poley – Hausner, Goeteborg, 1998.

9.c4 a5 10.a3 e4 11.de4 Ne4 12.Bg7 Kg7 13.Ne4 Re4 14.Qc2 Re8 15.Rad1 ab4 16.ab4 Qf6 17.Nd4 Ne5 18.Nb5 Re7 19.Nc3 c6 (19...Nc4? 20.Nd5 Qb2 21.Qc4+–) 20.Ne4 (20.c5 dc5 21.bc5 h6+=) 20...Bf5 21.Qc3 (21.Nf6? Bc2 22.Rd6 Nc4–+) 21...Be4 22.Be4 h5 23.Bg2 h4 24.Rd4 hg3 25.hg3 Ra2 26.Rf4 Qe6 27.Re4 f5 28.Re3 Qf6 29.Rc1 Kf7 30.b5 Ng4 31.Re7 Qe7 (31...Ke7!? 32.Qf6 Kf6 33.bc6 bc6 34.Bc6 Re2=) 32.bc6+/– bc6 33.Bc6 Qe2 34.Bd5 Kf8 35.Qh8 Ke7 36.Qg7 Kd8 37.Qf8 (37.Rf1 Ra3 (37...Nf2? 38.Qh8 Qe8 39.Qe8 Ke8 40.Rf2 Rf2 41.Kf2+–) 38.Qh8 Kc7+–) 37...Kd7 38.Qf7 (38.Rf1 Ra3 (38...Nf2? 39.Qg7 Qe7 40.Qe7 Ke7 41.Rf2 Rf2 42.Kf2+–) 39.Qg7 Kd8 40.Qh8 Kc7+–) 38...Kd8+= 39.Qf8 Kd7 40.Qf7 (40.Rf1 Ra3 (40...Nf2? 41.Qg7 Qe7 42.Qe7 Ke7 43.Rf2 Rf2 44.Kf2+–) 41.Qg7 Kd8 42.Qh8 Kc7+–) 40...Kd8 41.Qf8 (41.Rf1 Qe8 (41...Nf2? 42.Qg8 Kc7 43.Qg7 Kd8 44.Qh8 Kd7 45.Rb1 Nh3 46.Qh3+–) 42.Qb7 Qe5 43.Qb8 Ke7 44.Qc7 Ke8 45.Qf7 Kd8+–) 41...Kd7 42.Qf7 (42.Rf1 Ra3 (42...Nf2? 43.Qg7 Qe7 44.Qe7 Ke7 45.Rf2 Rf2 46.Kf2+–) 43.Qg7 Kd8 44.Qh8 Kc7+–) 42...Kd8+= 43.Qf8 Kd7= ½–½. Poley,V (2325) – Solovyev,A (2165), Taganrog RUS, 8th Dvorkovich Mem, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Re8 8.Nbd2 Nbd7)

9.e4 a5 10.c3 (10.a3 Qe7=) 10...Nf8 (10...ab4 11.cb4 d5 12.Qc2=+) 11.a4 ab4 12.cb4 Ne6 13.Qb3 c5 14.b5 (14.Nc4 Qe7=) 14...b6 15.Nc4 Nd4 (15...Re7 16.Bc3 Rea7 17.Qc2=) 16.Bd4 (16.Nd4 cd4 (16...ed4? 17.e5 d5 18.ef6 Bf6 19.Nd2+–) 17.f4 Be6=) 16...cd4 (worse 16...ed4 17.e5 de5 18.Nfe5+–) 17.h3 (17.Qb4 Bf8 18.Qd2 Bg4=) 17...h6 18.Qb4 Bf8 19.Qd2 Be6 20.Rfc1 Nd7 21.Qd1 Nc5 22.Bf1 Re7 23.Nfd2 Rea7 24.Nb2 Qd7 25.Kh2 Be7 26.f4 Kh7 27.Ndc4 Qc7 (27...Bc4 28.Rc4 Kg7 29.Bg2=) 28.Bg2 (28.a5 Ra5 (28...ba5? 29.b6 Qb7 30.ba7+–) 29.Na5 Ra5 30.Ra5 ba5 31.fe5 Qb8 32.ed6 Bd6+=) 28...f6 (better 28...ef4 29.gf4 Bc4 30.dc4 Bf6=+) 29.f5!+– gf5 (29...Bc4!? 30.fg6 Kg6 31.Rc4 Kg7+–) 30.ef5+– Bf5?? (better 30...Bc4 31.Ba8 Ra8 32.Rc4 d5+–) 31.Ba8 Ra8 (31...Be6 32.Qh1 Nb3 33.Ne5 Nc1 34.Rc1 de5 35.Rc7 Rc7 36.Qe4 Kg7 37.Nc4 Bc4 38.Qg4 Kf8 39.dc4 Rc4 40.Qg6+–) 32.Qf3 Bc8 (32...Nb3 33.Qa8 Na1 34.Ra1 Bd3 35.Nb6 Qc3+–) 33.Qa8 Nb3 34.Qd5 (34.Nb6!? Nc1 35.Qc8 Qb6 36.Rc1 Qa5+–) 34...Nc1 35.Qf7 Kh8 36.Rc1 Qd7 37.g4 (better 37.Qh5 Kg7 38.Nb6+–) 37...Bd8 (37...Qd8 38.Nb6! Bb7 39.a5+–) 38.Qf8 Kh7 39.Nd6 Bb7 40.Nb7 (better 40.Nf7 f5 41.Qh8 Kg6 42.Ne5 Kg5 43.h4 Kf4 44.Nbc4 fg4 45.Qf8 Bf6 46.Qf6 Qf5 47.Qh6 Qg5 48.Qg5) 40...Bc7 41.Kg1 e4 42.Qf6 Bh2 43.Kh2 Qb7 44.Qf5 (44.Rc6 Kg8 45.Qg6 Kh8 46.Qh6 Kg8 47.Rg6 Kf7 48.Qh7 Ke8 49.Rg8) 44...Kg7+– 45.Qe4 Qb8 46.Kg2 h5 47.Qd4 Kh7 48.Qd7 Kh6 49.Rc6 Kg5 (49...Qd6 50.Rd6 Kg5 51.Qf5 Kh4 52.Qh5) 50.Qf5 (50.Qf5 Kh4 51.Qh5) 1–0. Vallejos,Jose Antonio – Gabriel,Claudiomar, Brazil Carnaval Open, 2018.

9.e4 Nf8 10.c4 a5 11.a3 N6d7 12.Qc2 Ne6 13.Bc3 c5 14.ba5 Nb8 15.Rab1 Nc6 16.Nb3 h6 17.Bd2 g5 18.Rb2 Kh7 19.Rfb1 Rg8 20.Qd1 Qf6 21.Ne1 Bf8 22.Nc2 Ned4 23.Ne3 Ne7 24.Nd4 ed4 25.Nd5 Nd5 26.cd5 Be7 27.Qf3 Qf3 28.Bf3 Bd8 29.Rb5 Re8 30.Bd1 Kg7 31.Ba4 Bd7+= 32.f4 gf4 33.Bf4 Ra6 34.Bd2 Re7 35.Bf4 Re8 36.Kf2 Bf6 37.Kf3 Be5 38.Bd2 Rc8 39.Bc2 Bb5+= 40.Rb5 c4 41.dc4+= Rc4 42.Bd3 Rc7 43.Rb7 Rb7 44.Ba6 Rb3 45.Ke2 Ra3 46.Bb5 h5 47.a6 Kg6 48.Bd3 Ra1 49.Kf3 Ra2 50.Ke2 h4 51.Bc4 Ra4 52.Bb5 Ra2 53.Bc4 Ra3 54.Bb4?? Ra4–+ 55.Bb5? Rb4 (55...Rb4 56.Bd3 h3–+) 0–1. De Leon,Javier (2245) – Gonzalez Garcia,Jose (2330), Capablanca Memorial–C, 1993.

9.e4 Nf8 10.c4 Ne6 11.Nb3 h5 12.Qd2 Ng4 13.h3 Bh6 14.Qe2 Nf6 15.Bc1 Bc1 16.Rac1 Nh7 17.h4 Nf6 18.Nh2 c5 19.b5 Bd7 20.f4 Kg7 21.f5 Nf8 22.Qd2 N8h7 23.a4 Ng8 24.a5 Nh6 25.Bh3 gf5 26.ef5 f6 27.Qe2 Ng4 28.Ng4 hg4 29.Qg4 Kh8 30.Bg2 Rg8 31.Qh3 Rb8 32.Bd5 Rg7 33.Qg2 Be8 34.Kh2 Bh5 35.Ra1 Qf8 36.Nd2 Rd7 37.a6 b6 38.Ne4 Qh6 39.Rae1 Rbd8 40.Qf2 Bg4 41.Kg2 Rg7 42.Nc3 Qh5 43.Re3 Rdd7 44.Be4 Rg8 45.Rh1 Rdg7 46.Kf1 Qh6 47.Ke1 Bh5 48.Rg1 Bf7 49.Kd2 Rg4 50.Kc2 Qg7 51.Nd5 Qh6 52.Bf3 R4g7 53.Be4 Bh5 54.Ree1 Bg4 55.Ra1 Qh5 56.Nb6 Rd8 57.Nd5 Rdd7 58.Ra2 Qe8 59.Rga1 Bh5 60.b6 ab6 61.a7 1–0. Sola – Figueirido, Siembra 1996.

10.a3 Nh5 11.e4 Nf8 12.Qc2 Ne6 13.Rfe1 b6 14.Nf1 Bd7 15.Rad1 c5 16.Ne3 Rc8 17.Nd5 Nf6 18.Rb1 Nd5 19.ed5 Nd4 20.Nd4 cd4 21.a4 f5 22.Ba3 Qc7 23.b5 Bf8 24.Qd2 Qd8 25.Bb4 Qf6 26.a5 g5 27.Ra1 Re7 28.ab6 ab6 29.Ra7 Be8 30.Re7 Be7 31.Qa2 Bf8 32.f4 gf4 33.gf4 e4 34.de4 fe4 35.Be4 Qf4 36.Qg2 Bg7 37.Bd2 Qh4 38.Bf5 Ra8 39.Rf1 d3 40.Be6 1–0. Lupu,M – Sykora,R, it Praha, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7 8.Nbd2 Re8 9.c4 c6)

10.Qb3 Qe7 11.e4 Nh5 12.a4 Nf8 13.a5 Ne6 14.c5 dc5 15.Ne5 Nd4 16.Bd4 cd4 17.Nec4 Be6 18.Qb2 Qd7 19.Rab1 Rad8 20.f4 Bh3 21.Nb3 Bg2 22.Qg2 Nf6 23.Nc5 Qe7 24.a6 b6 25.Nb7 Rd7 26.Ne5 Rc7 27.Rfc1 Rec8 28.Rc2 Nd7 29.Nc4 Nb8 30.Ncd6 Na6 31.e5 Rb8 32.Ra2 Nb4 33.Rb4 Rbb7 34.Rc4 Rb8 35.Rc6 Rc6 36.Qc6 Bf8 37.Ne4 a5 38.Ra4 Qb7 39.Qb5 Bb4 40.Ra2 Rc8 41.Rf2 Rc1 42.Rf1 Qc6 43.Nf6 Kg7 44.Qa6 Rf1 45.Kf1 Qh1 0–1. De Leon – Hernandez, Cuba 1993.

10.Qc2 a5 11.a3 Qb6 12.Bc3 ab4 13.ab4 Ra1 14.Ra1 d5 15.c5 Qc7 16.e4 b6 0–1. Morozov – Minakov, corr, 1994.

10.Qc2 Qe7 11.a3 h6 12.e4 c5 13.Rae1 Nh7 14.Nb1 b6 15.Nc3 Bb7 16.Bc1 Rac8 17.Qb3 Nhf8 18.Nd5 Qd8 19.h4 (19.Be3 a6+=) 19...Ne6 20.Bh3 Bd5 21.ed5 Nd4 22.Nd4 cd4 23.h5 f5 24.f4 Nf6? (better 24...Qf6+–) 25.hg6+– Nh5 26.Qd1 (better 26.Bf5!? Ng3 27.Bc8 Qc8 28.Rf2+–) 26...Ng3 27.Rf3 Qh4 28.Kg2 Nh5 29.Bf5 ef4? (29...Nf4 30.Bf4 ef4 31.Be6 Kh8 32.Re4 Qg5 33.Kf2 Qh4 34.Ke2 Qh2 35.Ke1+–) 30.Be6+– Kh8? (30...Re6 31.Re6 Be5 32.Qh1 Qg5 33.Kf1 Ng3 34.Rg3 Qg3 35.Ke2+– (worse 35.Qh6 Qd3 36.Ke1 Qc3 37.Bd2 Qg3 38.Kf1 Qf3 39.Ke1 Qg3 40.Kf1 Qf3 41.Ke1 Qg3=)) 31.Rh1 (better 31.Rh3!? Qg5 32.Kh2 Re6 33.de6 Nf6+–) 31...Qg5 32.Kf2 Rcd8 33.Qg1 Qg1 (33...Ng3 34.Rh3 Rf8 35.Bf7+–) 34.Rg1 Be5 35.Rh1 (35.Bf7 Kg7+–) 35...Ng3 (35...Nf6 36.Rh6 Kg7 37.Rh1+– (37.Bf4?! Re6 38.de6 Ng4 39.Ke2 Nh6+–)) 36.Rh6 Kg7 37.Rh4 ½–½. Zwaig,Arne (2425) – Sursock,Sameer (2200), Nice olm, 1974. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Re8 8.Nbd2 Nbd7 9.c4 c6)

10.Qc2 Qe7 11.e4 c5 12.bc5 (12.a3 b6+=) 12...Nc5 13.Nb1 Bg4 14.Nc3 Qd7 15.Bc1 Rac8 16.Be3 b6 17.a4 Bf3 (17...a6!?=) 18.Bf3+= Ng4 (18...Ne6 19.Qd1+=) 19.Bc5 (19.Bg4 Qg4 20.a5 f5+/–) 19...Rc5+= 20.Bg4 Qg4 21.Kg2 Qd7 22.Rfb1 f5 23.f3 f4 24.a5+= ba5 25.Ra2 fg3 26.hg3 Bf6 27.Nd5+/– Bd8 28.Rab2 Qe6 29.Rb7 a6 30.Ra7+– Rf8?? 31.Rbb7 Bf6 32.Qc1 Rd5 33.cd5 Qc8 34.Rc7 Qb8 35.Rab7 Qe8 36.Qh6 (36.Qh6 Rf7 37.Rf7 Qf7 38.Rb8 Bd8 39.Rd8 Qe8 40.Re8 Kf7 41.Qf8#) 1–0. Wynn,Zaw Htun (2395) – Lee,Bryan Tsz Ho (2015), 40th Men Olympiad, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Re8 8.Nbd2 Nbd7)

10.e4 a5 11.ba5 Qa5 12.a4 Nc5 13.Nb3 Qb4 14.Nc5 Qb2 15.Qb3 Qb3 16.Nb3 Nd7 17.Rfb1 f5 18.Nfd2 Bh6 19.Nf1 Nf6 20.Nbd2 Re7 21.a5 Ra7 22.Ne3 f4 23.Nef1 g5 24.f3 g4 25.Kf2 Kg7 26.Ke2 Rf7 27.fg4 Bg4 28.Bf3 Bh3 29.gf4 Bf4 30.Ne3 Kf8 31.Ndf1 Bf1 32.Rf1 Be3 33.Ke3= Ke7 34.h4 Rg7 35.h5 h6 36.Rg1 Rg1 37.Rg1 Kf7 38.Rg6 Ra5 39.Rh6 b5 40.cb5 Rb5 41.Rh8 Rb2 42.Rc8 d5 43.Bd1 d4–/+ 44.Kf3 Nh5 45.Rc6 Nf4 46.Bc2 Ke7 47.Kg4 Ng2 48.Kf5 Rc2 49.Re6 ½–½. Baumgartner,Ulrich – Bielczyk,Jacek (2410), Holzoster am See, 1981. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Re8 8.Nbd2 Nbd7)

10.e4 Qe7 11.Qc2 b6 12.a4 Bb7 13.b5 c5 14.a5 Nf8 15.Ra2 Ne6 16.Rfa1 Qc7 17.ab6 ab6 18.Ra8 Ra8 19.Ra8 Ba8 20.Qa4 Bb7 ½–½. Radosztics,Gerhard – Osbun,Erik D, WT/M/GT/245 corr ICCF, 1988. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nbd7 8.Nbd2 Re8 9.c4 c6)

8.Nbd2 f5 9.Qc1 c5 10.a3 Qb6 11.c3 Nc6 12.Rb1 Ne7 13.Nc4 Qc7 14.Re1 d5 15.Ncd2 Rb8 16.Ng5 Nf6 17.e4 h6 18.Nh3 Be6 19.ef5 Nf5 20.Nf3 Ng4 21.Qc2 cb4 22.ab4 Rbc8 23.Rbc1 d4 24.c4 b5 25.c5 Qc6 26.Nd4 Qd7 27.Nf5 Bf5 28.Qb3 Be6 29.Qc2 Qc7 30.Qe2 Nf6 31.Be5 Qd7 32.d4 Nd5?? 33.Bg7+– Kg7 34.Qe5 Rf6 35.Nf4 Nf4 36.gf4 Re8 37.Qd6 Qd6 38.cd6 Rd8 39.Rc5 Rd6 40.Rb5 a6 41.Ra5 Rf4 42.d5 Bf5 43.b5 Bd3 44.b6 Rb6 45.Re7 Kf6 46.Rc7?? Rb1 47.Bf1 Be4 48.Rc6 (48.Rc6 Kf5 49.d6 Ke6 50.Rc3–+). linakip – tchoupi31, kurnik, 2011.

8.Nfd2 Nc6 9.b5 Ne7 10.c4 f5 11.a4 c5 12.bc6 bc6= 13.Nc3 Rb8 14.Qc2 Nf6 15.Rab1 Be6 16.Nf3 h6 17.Ba3 Qc7 18.Rb8 Rb8 19.Rb1 ½–½. Neelotpal,D (2460) – Harika,D (2325), 1st WinTV Open, Chennai IND, 2004.

8.Nbd2 c6 9.Re1 Nbd7 10.e4 Nh5 11.d4 Qe8 12.h3 f5 (better is 12...a5!? 13.Nb3 Bb3 14.ab3 ab4=) 13.ef5+/– gf5 14.de5 de5 15.Ne5 Ne5 16.Be5 (16.Re5?! Be5 17.Be5 f4=) 16...Qg6 17.Nf3 Rad8 18.Qe2 Bd5 19.Nh4 Qf7 20.Bg7 Ng7 21.Bd5 Rd5 22.Qe7 f4 23.Qf7 Rf7 24.Re2 fg3 25.fg3 Nh5 26.Kg2 Rd4 27.a3 Rg7 28.Nf5 Nf4 29.Kf3 Ne2 30.Ng7 Rd2 31.Nf5+/– Kf7 32.Rf1 Rc2 33.Ke4 Ke6 34.Nd4 Nd4= 35.Kd4 Rd2 36.Ke4 Re2 37.Kd4 Rd2 38.Ke4 Ra2 39.Rf3 b6 40.Rc3 Kd6 41.Kf5 Kc7 42.g4 Rf2 43.Kg5 Rf7 44.h4 Rd7 45.Kh6+/– a5 46.g5 ab4 47.ab4 Kb7 48.h5 b5 49.g6 hg6 50.hg6 Rd6 0–1. bibin (1760) – biklebowski, kurnik, 2011.

8.Nbd2 Nbd7 9.c4 c6 10.Rc1 (10.a4 h6=) 10...Nh5 (10...a5 11.a3=+) 11.a4 f5 12.h3 Nhf6 (12...g5 13.Ne1=) 13.Kh2 (13.Ng5 Qe7=) 13...Qe7 14.e4 (14.Qc2 a5 15.b5 cb5 16.ab5 Nc5=) 14...Rf7 (14...a5 15.b5=+) 15.Ng5 (15.ef5 Bf5 16.Qe2 Nb6=) 15...Rff8 (15...Ng4!? 16.hg4 Qg5 17.gf5 Qh6 18.Bh3 gf5=+) 16.Ne6= Qe6 17.ef5 gf5 (17...Qf5 18.f4 ef4 19.Rf4 Qd3 20.Rf3 Ng4 21.hg4 Rf3 22.Bg7=+) 18.Nf3 Kh8 (18...Bh6 19.Rc2+=) 19.Ng5 (19.Re1 Qg8+=) 19...Qe7 20.b5 1–0. gbsr (2330) – acastruccio (2290), net–chess.com, 2003.

8.e4 Nc6 9.b5 Ne7 10.c4 a6 11.a4 c6 12.Nc3 ab5 13.ab5 Qc7 14.bc6 bc6 15.Ra8 Ra8 16.Bc1 Ne8 17.Be3 d5 18.cd5 cd5 19.Qd2 d4 20.Nd5 Bd5 21.ed5 de3 22.Qe3 Nd5 23.Qe4 Rd8 24.Nh4 Nc3 25.Qc4 Ne2 26.Kh1 Qd6 27.Re1 Nd4 28.Nf3 Nf3 29.Bf3 Qd3 30.Qd3 Rd3 31.Be4 Rd2 32.f3 Nd6 33.h4 h5 34.Rc1 Ne4 35.fe4 Rd4 36.Re1 Bh6 37.Kg2 Kg7 38.Kf3 Rd3 39.Kg2 Kf6 40.Rf1 Ke6 41.Re1 f5 42.ef5 gf5 43.Rc1 Bc1 0–1. joaquimbage – santistaars, kurnik, 2012.

8.Nc3 c6 9.e4 Bg4 10.Qe2 Na6 11.a3 Nc7 12.Rad1 Qd7 13.d4 (better is 13.Qe3=+) 13...Rac8?? (better is 13...ed4 14.Rd4 Ne6–/+) 14.de5+– Bf3 15.Qf3 (< 15.Bf3 Re5 16.Na4 Ree8 17.Bf6 Bf6+/–) 15...Re5 16.Na4 Re6 17.Nc5! dc5 18.Rd7 Nd7 19.Bg7 Kg7 20.Rd1 Ne5 21.Qc3 Kg8? 22.Bh3 Nb5 23.Qc5 Ree8 24.Bc8 (24.Bc8 b6 25.Qe3 Rc8 26.a4+–) 1–0. gbsrao (2360) – billy (2275), net–chess.com, 2010.

8.Nc3 d5 9.e4 d4 10.Ne2 Bg4 11.h3 Bf3 12.Bf3 Qc8 (12...a5 13.ba5 Nc6 14.Bg2=) 13.Bg2 Qe6 14.f4 Nh5 (14...Rd8 15.fe5 Qe5 16.c3+=) 15.f5 (15.fe5!? Be5 16.g4+/– (16.Nd4?! Qb6 17.c3 Nc6=)) 15...Qb6+= 16.Rb1 c6 17.Kh2 Nd7 18.g4 Nhf6 19.g5 Nh5 20.f6 Bf8 21.Ng1 (21.c3 dc3 22.Bc3 h6=) 21...Qc7 (21...h6 22.Qg4 Re6 23.c3=+) 22.Ne2 Bb4 23.c3 Bd6 24.Ng1 Nf4 25.Bf3 Nc5–+ 26.Be2 Nce6 27.h4 Qd7 28.Bg4–/+ Qc7 29.Be2 Ne2 30.Ne2–/+ Qd7 31.Qe1 Nc5 32.Nc1 Na4 33.c4 a5 34.Qd1 Nc5 35.h5 Ne6 36.Qg4 Bb4 37.Ne2 Bd2 38.Bc1 Bc1 39.Rbc1 Rad8 40.hg6 hg6 41.Qh4 Ng7 42.fg7 Kg7 43.Qh6 Kg8 44.Rf3 Re6 45.Rcf1 Re7 46.Rh3 (46.Rh3 Qh3 47.Kh3+–) 1–0. gbsrao (2425) – billy (2215), net–chess.com, 2010.

8.c4 c6 9.a4 Bg4 10.Nc3 Qd7 11.Re1 Bh3 12.Bh1 (12.Bh3 Qh3 13.e4 Na6=) 12...Na6 13.Qb3 White prepares the advance b5 13...c5 14.b5 Nc7 (14...Nb4 15.a5=) 15.a5 Ne6 16.e3 Rab8 (16...Bf5 17.Ne2=) 17.Rad1 (17.a6 Re7+=) 17...h6 18.Nd5 (18.Ne4 Bg4=) 18...Nd5 19.cd5 Ng5 (19...Nc7 20.b6 ab6 21.ab6=) 20.Ng5 hg5 21.d4 (21.Rc1 f5=) 21...ed4=+ 22.ed4 b6 (22...Re1 23.Re1 Re8 24.Re3=+) 23.dc5= bc5 (23...Re1 24.Re1 Bb2 25.Qb2 bc5 26.b6=) 24.Bg7 Kg7 25.Re8 Re8 (25...Qe8 26.b6=) 26.b6 ab6 27.ab6 Qe7 28.Qc3 (28.Bg2 Bg2 29.Kg2 Qb7=) 28...Kh7 29.Bg2 Bg2 30.Kg2 Qe4 (30...Rb8!? 31.Re1 Qd8=) 31.Qf3+= Qf3 (31...Qe7 32.Ra1 Rb8 33.Ra6+=) 32.Kf3+/- Rb8 33.Rb1 Rb7 34.Ke4 f6? (better 34...Kg7+-) 35.Kd3 Kg7 36.Kc4 Kf7 (36...Rb8+-) 37.Kb5 Ke7 38.Kc6 Rb8 39.Kc7 White prepares the advance b7 39...Re8 (39...Rg8+-) 40.Re1 Kf7 41.Re8 Ke8 42.b7 (42.b7 f5 43.b8Q Kf7 44.Kd6 g4 45.Qc7 Kf8 46.Ke6 Kg8 47.Kf6 c4 48.Qg7) 1-0. chesserstein (2240) - Zamir__ (2025), Rated Blitz game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...g6 2.g3 Bg7 3.Bg2 Nf6 4.0-0 0-0 5.b4 d6 6.Bb2 e5 7.d3)

8.c4 c6 9.Nbd2 Be6 10.Qc2 b6 11.b5 e4 (better 11...Bd7!?=) 12.Nd4 Bd7 (12...cb5 13.Ne6 fe6 14.de4 (14.cb5?! ed3 15.Qd3 d5+=) 14...bc4 15.Bf6 Bf6 16.e5 Be5 17.Ba8 Ba1 18.Ra1+/-) 13.Ne4+- Ne4 14.Be4 d5 (14...Qc7 15.Rfb1+-) 15.cd5 Re4? (15...cb5 16.d6 Na6 17.Ba8 Qa8+-) 16.de4 cd5 17.ed5 Bh3 (17...Bd4 18.Bd4 Bb5 19.Rfd1+-) 18.Rfd1 Qd5 (18...Qe8+-) 19.Nf3 Qb5 (19...Bf5 20.Qc1 Qd1 21.Qd1 Bb2+-) 20.Rd8 Bf8 21.Qc3 (21.Qc3 Qb2 22.Qb2+-) 1-0. marekt (2050) – mattivee, gameknot.com, 2014.

8.c4 e4 9.de4 Ne4 (9...a5 10.b5 (10.ba5 Nc6 11.Nbd2 Ra5 12.Nd4 Ng4 13.Nc6 bc6 14.Bg7 Kg7 15.Qc2) 10...Ne4 11.Bg7 Kg7 12.Nd4 c5 13.Nb3 Qf6 14.Be4 Re4 15.N1d2) 10.Bg7 Kg7 11.Qd4 (11.Nd4 Nc6= 12.Nc6 bc6 13.Be4 Re4 14.Qd3 Re8 15.Nc3) 11...Qf6=+ 12.e3 (12.Qf6 Nf6 13.Nd4 Na6 14.Nc3 Nb4 15.Rab1) 12...Nd7 (12...Nc6 13.Qf6 Kf6 (13...Nf6 14.b5 Ne5 15.Ne5) 14.Nd4 (14.a3 Bf5 15.Nfd2) 14...Nb4 (14...Rb8 15.Nb5) 15.Be4 Re4 16.Nc3=+; 12...a5 13.Qf6 Nf6 14.b5 Nbd7 15.Nc3) 13.Nfd2= Nd2 (13...Qd4 14.ed4 f5 15.Re1=) 14.Nd2 a5 15.a3 Qd4 16.ed4 Re2 17.Rfd1 ab4 18.Kf1 (18.Bf3!? Re8 19.ab4 Ra1 20.Ra1=) 18...Rd2=+ 19.Rd2 Nb6 (< 19...Ra3 20.Ra3 ba3 21.Ra2+/–; < 19...ba3 20.Rd3 Ra4 21.Rc3+=) 20.Rc1 Ra3–/+ 21.c5 dc5 22.dc5 Na4 23.c6 b6–+ 24.Rb1 b3 25.Bd5 Nc3 26.Rc1 b2! 27.Rb2 Nd5 28.Rd2 Bh3 29.Ke1 Nb4 30.Rb1 Nc6 31.Rc1 Ne5 0–1. Sitnic,A (1930) – Hakki,I (2415), 6th ch–Mediterranean, Antalya TUR, 2009.

8.c4 h6 9.Nbd2 Be6 10.Qc2 c6 11.e3 (11.c5 Nd5 12.a3 dc5 13.bc5 Nd7+=) 11...Nbd7 12.a4 Rc8 13.Bc3 (13.a5 Nb8=) 13...Nh7 14.d4 e4 (better 14...Ng5!?=) 15.Ne4+/- (worse 15.Qe4 Bc4 16.Qe8 Qe8 17.Nc4 Qe6-/+) 15...Bf5 (15...Qe7 16.Ned2+/-) 16.Nh4 White plans c5 16...Be4 17.Be4 f5 (17...d5 18.Bd3+/-) 18.Bg2+- g5? (better 18...Qf6+-) 19.Nf5 Qf6 20.c5 dc5 21.bc5 Rf8 (21...Rb8 22.f4+-) 22.Ng7 Qg7 23.d5 (better 23.Qb3!? Qf7 24.Qb7 Ndf6 25.Bc6 Rc7+-) 23...Qf7 24.Rad1 Nc5 (24...Nhf6 25.dc6 bc6 26.Rd6+-) 25.dc6 Ne6 (25...bc6 26.Bb4 Ne6 27.Bf8 Nhf8+-) 26.cb7 (better 26.Rd7 Rc6 27.Rf7 Rf7 28.Qg6 Ng7 29.Bc6 bc6 30.Qh6 Rc7+-) 26...Rc7 27.Qb1 (27.Qb1 Rb8 28.Qd3 Rcb7 29.Bb7 Rb7 30.f4 gf4 31.ef4+-) 1-0. Hjartarson,J (2525) - Krzywda,A (2150), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.Nbd2 a5 9.a3 Nc6 10.b5 Nb8 11.a4 Nbd7 12.Nb3 Ra7 13.Qd2 b6 14.Rfe1 Bb7 15.e4 Ra8 16.h3 c6 17.d4 (better is 17.bc6!? Bc6 18.g4=) 17...cb5–/+ 18.ab5 (18.d5 b4–/+) 18...Ne4 (< 18...Be4 19.de5 de5 20.Ra4=+) 19.Qd3 Ng3! 20.fg3 (20.fg3 e4 21.Qf1–/+). gbsr (2345) – kerger (2315), net–chess.com, 2003.

8.Nbd2 a5 9.a3 Bd7 10.c4 Nc6 (10...Qc8 11.c5=) 11.Bc3 (11.b5 Ne7=) 11...h6 (11...ab4 12.ab4 (worse 12.Bb4 e4 13.de4 Ne4–/+) 12...Ra1 13.Qa1=) 12.Qc2 Qc8 13.Rfe1 (13.b5 Ne7=) 13...Bh3 14.Qb2 (14.b5 Bg2 15.Kg2 Nd8=) 14...Bg2 15.Kg2 ab4 (15...g5 16.b5 Nd8 17.e4=) 16.ab4 Ra1 (16...Qd7 17.b5 Ne7 18.b6=) 17.Ra1+= Nd4 (17...Ne7 18.h3+=) 18.Bd4 (18.Nd4 ed4 19.Bd4 Re2 20.Bf6 Qf5=+) 18...ed4= 19.Nb3 (worse 19.Qd4 Nh5 20.Qa7 Ba1 21.Qa1 Re2–/+) 19...c5 20.bc5 (20.Ra5 Nd7+=) 20...dc5 21.Na5 (21.Ra7 b6=) 21...b6 22.Nb3 Nh5 (22...Qc6 23.Ra6=) 23.Nc1 Qg4 (23...Qc6 24.Ra6 Re6 25.Ra7=) 24.Qd2 (24.Qb6 Nf4 25.Kf1 Qh3 26.Ke1 Ne6+=) 24...Re7 (24...Qe6 25.Ra6=) 25.Ra8 (25.Ra6 Rb7=) 25...Kh7 26.h3 (26.Ra6 Rb7=) 26...Qd7 27.Qa2 Qb7 (27...Nf6 28.Qa4=) 28.Qa6 Qa6 (28...Qc7 29.Rc8 Qd6 30.Qb5=) 29.Ra6 Rb7 (29...Re6 30.Kf1=) 30.Nd2 (30.Nb3 Nf6=) 30...Bf6 (30...f5 31.e4=) 31.Nb1 (31.e3 Ng7=) 31...b5= 32.cb5 Rb5 33.Nd2 (33.Na3 Rb7=) 33...Kg7 (33...Bg5 34.f4 Bd8 35.Kf3=) 34.Ncb3 (34.Kf3 Be5=) 34...Bg5 35.f4 (35.Ra3 Bd2 36.Nd2 Rb2=) 35...Be7 (35...Bd8 36.Ra8 Bc7 37.Ra7=) 36.Na5 Nf6 37.Nac4 (37.Ndc4 Bd8=) 37...Nd5 (37...Rb7 38.Ra5=) 38.Kf3 (38.Ra7 Rb8=) 38...Rb7 39.Ra1 Bf8 (39...Rb8 40.Ra7=) 40.Ne4 (40.Ra5 f5=) 40...f5 41.Ned2 Be7 42.Ra6 Rc7 (42...Nb4 43.Ra8=) 43.Ne5 Bf6 44.Ndc4 Ne7 (44...Nb4 45.Rb6=) 45.Rd6 (better 45.Nd6 Kh7 46.Nec4+–) 45...Ra7? (45...Be5 46.Ne5 Rc8 47.g4+=) 46.Rd7 (better 46.Nd7!? Nc8 47.Rf6 Rd7 48.Rg6 Kg6 49.Ne5 Kg7 50.Nd7+–) 46...Rd7 (46...Ra1 47.e3 de3 48.Rc7+–) 47.Nd7 Nd5 48.Nc5 Kf7 49.Nd6 (49.Nd7 Nb4+–) 49...Ke7 50.Nc4 Bg7 (50...Kf7 51.Nd7 Nb4+–) 51.Nb3 Nb4 52.g4 (52.e3 de3 53.Ke2 Ke6+–) 52...h5 (52...Ke6 53.e3+–) 53.gf5 gf5 54.Ne5 (54.e3 Nc2+–) 54...Be5 (54...Nc2 55.Kg3+=) 55.fe5+– Ke6 56.Nd4 Ke5 57.Nb3 (57.Nb5 Nd5+–) 57...f4 58.Nd2 Nc2 (better 58...Nd5!?+–) 59.Nc4+– Kf5 60.e4 Kg5 61.h4! Kh4 62.Kf4 Kh3 (62...Ne1 63.d4 Ng2 64.Kf3 Ne1 65.Ke2+–) 63.Ne5 (better 63.Ne3 Nd4+–) 63...h4?! (63...Nd4+–) 64.Nf3 Nb4 65.d4 Nd3 66.Ke3 (66.Kg5 Nf2 67.e5 Ne4 68.Kf4 Nc3+–) 66...Nb4 67.Kf4 Nd3 68.Kf5 Kg3 69.Nh4! Kh4 70.d5 Kh5 71.d6 Nb4 72.d7 Nc6 73.Kf6 1–0. Sergienko,Sergey (2360) – Aminov,Andrey (2220), Voronezh Regional Ch, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Re8)

8.Nbd2 c6 9.c4 Nbd7 10.Qc2 d5 11.e4 (11.a3 Qe7=) 11...de4 (11...d4 12.c5=) 12.de4 b6 13.c5 (13.a3 Qc7=) 13...bc5 14.bc5 Qa5 (14...Qe7!? 15.Rab1 A) 15...Nc5? 16.Ba3+– (16.Ne5?! Bb7+/–; 16.Be5?! Bg4=); B) 15...Ba6=) 15.Nc4+/– Qc5 (15...Qb4 16.Rfc1 a6 17.Nfe5 Ne5 18.Ne5 Ne4 19.Rab1+– (19.Qe4?! Qb2 20.Qc6 Be6=)) 16.Ba3 Qb5 17.Nd6 Qa6 18.Ne8 Ne8 19.Be7 Nc7 20.Rfd1+– Ne6 21.Bf1 Qb7 22.Rab1 Nb6 23.Bd6 Nd4 24.Nd4 ed4 25.e5 Bf5 26.Bd3 Bg4 27.Rdc1 Rc8 28.Qc5 Bf3 29.Qd4 Qd7 30.Qe3 Bd5 31.a3 Qg4 32.Rb4 Qh3 33.Bf1 Qf5 34.Rh4 Qd7 35.Bh3 Be6 36.Be6 Qe6 37.Qf3 f6 38.Rc6+– Rc6 39.Qc6 fe5 40.Qc7 h5 41.Bb4 Qd5 42.Qc2 Qf7 43.Re4 Bf6 44.Re3 Kh7 45.Qb3 Qd7 46.Rf3 Kg7 47.Bf8 Kf8 48.Rf6 Kg7 49.Qe6 Qe6 50.Re6 Kf7 51.Re5 Nc4 52.Rc5 Na3 53.Rc7 Kf6 54.Ra7 Nc4 55.Rc7 Ne5 56.h4 Nf7 57.Rc6 Kf5 58.Kg2 g5 59.Rc5 Kg6 60.hg5 Ng5 61.Rg5 Kg5 62.Kf3 Kf5 63.Kg2 Kg4?? 64.f3+– Kf5 65.Kf2 Kg5 66.Ke2 Kf6 67.Ke3 Kf5 68.Kd4 Kg5 69.Ke5 Kg6 70.f4 (70.f4 Kg7 71.Ke6+–) 1–0. Kivipelto,Kaj – Taivainen,Jukka, JSM Finland, 1995.

8.Nbd2 c6 9.e4 a5 10.a3 =.

8.Nbd2 c6 9.e4 Nbd7 10.Re1 Qb6 (10...h6 11.d4=) 11.a3 (better is 11.Nc4 Qc7 12.d4=) 11...Nc5?? (11...c5 12.Qe2=) 12.Be5 (better is 12.Nc4 Qd8 13.bc5 dc5 14.Nfe5+–) 12...de5+= 13.Nc4 Ncd7?? 14.Nb6+– (14.Nb6 Nb6 15.a4+–) 1–0. gbsrao (2110) – mandinga (2175), net–chess.com, 2008.

8.Nbd2 Nc6 9.b5 Na5 10.c4=.

8.Nbd2 Nbd7 9.c4 c6 10.Qc2 Qe7 11.a3 h6 12.e4 c5 13.Rae1 Nh7 14.Nb1 b6 15.Nc3 Bb7 16.Bc1 Rac8 17.Qb3 Nhf8 18.Nd5 Qd8 19.h4 Ne6 20.Bh3 Bd5 21.ed5 Nd4 22.Nd4 cd4 23.h5 f5 24.f4 Nf6 25.hg6 Nh5 26.Qd1 Ng3 27.Rf3 Qh4 28.Kg2 Nh5 29.Bf5 ef4 30.Be6 Kh8 31.Rh1 Qg5 32.Kf2 Rcd8 33.Qg1 Qg1 34.Rg1 Be5 35.Rh1 Ng3 36.Rh6 Kg7 37.Rh4 ½–½. Zveig – Sursock, Nice 1974.

8.Nbd2 Qe7 9.e4 h6 10.c4 Be6 11.d4 ed4 12.Nd4 Bg4 13.f3 Bc8 14.Qb3 a5 15.a3 Na6 16.Bc3 ab4 17.ab4 c5 18.Nc2 cb4 19.Nb4 Nc5 20.Qc2 Bd7 21.Ra8 Ra8 22.f4 Re8 23.e5 Bf5 24.Qd1 de5 25.fe5 Ng4 26.Nd5 Qd7 27.Bd4 Ne6 28.Nb3 Qc8 29.h3 Nd4 30.hg4 Bc2 31.Qd4 Bb3 32.Qf2 Bc4 33.Qf7= Kh8 34.Qg6 Bd5 35.Bd5 1–0. Dunne,Steve (1945) – Blair,David (2150), Irish Email Championship–1 Final, 2005.

8.Nbd2 Nh5 9.Ne1 (9.Nc4 d5 10.Ne3 Nf4=) 9...f5 (9...a6 10.c4=) 10.c4 (10.Bd5 Kh8+=) 10...Nc6 11.b5 Ne7 (11...Nd4 12.Nc2 Ne6 13.Nb3+=) 12.Nc2 (12.c5 dc5 13.Qb3 Kf8+=) 12...c6 13.a4 (13.Nb4 c5 14.Nd5 Be6+=) 13...d5 (13...Be6 14.Nf3=) 14.cd5+= cd5 15.Nb4 (15.Nf3 Qd6+=) 15...Be6 (15...a5 16.ba6 ba6 17.a5=) 16.Nb3 (16.Nf3 Qb6 17.Rb1 e4+=) 16...Rc8= 17.Rc1 Qd6 18.Ba3 (18.Qd2 b6 19.Ba3 f4=) 18...b6 (18...f4 19.Qd2=) 19.Ra1 (19.Qd2 Qd7=) 19...Qd7 20.d4 e4 (20...Rc4 21.de5 Be5 22.Nd2 Ba1 23.Nc4+=) 21.e3 Nf6 (21...Rc3 22.Rc1 Rec8 23.Rc3 Rc3 24.Qb1=) 22.Qd2 g5 (22...Rc4 23.Rfc1=) 23.Rfc1 Rc4 24.Bf1 Rec8 25.Qe1 (25.Bb2 Ne8=) 25...f4 (25...Rc1 26.Rc1 f4 27.ef4 gf4 28.Nc6=) 26.ef4 (26.Bc4!? dc4 27.Nd2+=) 26...gf4=+ 27.Bc4 (worse 27.gf4 Nh5 28.Bc4 dc4 29.Qe4 Ng6–+) 27...dc4 28.Nd2 Qd4 (28...e3!? 29.fe3 fe3=+) 29.Nc2 (29.Nf3 Qd7 30.Ne5=) 29...Qd3?? (better 29...Qd7 30.Be7 Qe7 31.Ne4 fg3 32.hg3 Nd5=) 30.Be7+– Nd5 (better 30...c3 31.Nf1 Nd5+–) 31.Nb4?? (better 31.Ne4 fg3 32.hg3 Ba1 33.Nc5+–) 31...Nb4+= 32.Bb4 e3 33.fe3 fe3 34.Nf1?? (better 34.Nf3 Ba1 35.Ra1=) 34...e2–+ 35.Bc3 (35.h4 Ba1 (35...ef1R?! 36.Qf1 Qg3 37.Qg2 Bd4 38.Kh1 Qg2 39.Kg2 Ba1 40.Ra1–+) 36.Ra1 ef1Q 37.Qf1 Qd4 (37...Qg3?! 38.Qg2 Qg2 39.Kg2–+) 38.Kh1 Bd5 39.Kh2 Qb2 40.Kg1 Qb4–+) 35...ef1Q (worse 35...ef1R 36.Qf1 Bc3 37.Rc3 Qc3 38.Re1–+) 36.Qf1 Bc3 37.Qd3 (37.Rc3 Qc3 38.Rd1 Qe3 39.Qf2 Qf2 40.Kf2 c3–+) 37...cd3 38.Rab1 (38.Rc3 Rc3 39.Kf2 Rc2 40.Ke3–+) 38...d2 39.Rd1 Bd4 (better 39...Bg4 40.Rd2 Bd2–+) 40.Kf1 (40.Kg2 Bd5 41.Kh3 Bc3–+) 40...Be3 (40...Rf8 41.Ke2 Bc4 42.Kd2 Rf2 43.Kc1 Be3 44.Rd2 Rd2 45.Rb4 Bd3 46.Rg4 Kh8 47.Re4 Be4 48.h3 Bd3 49.g4 Rf2 50.Kd1 Rf1) 41.Ke2 (41.Rb2 Rd8 42.Ke2 Bg4 43.Ke3 Bd1 44.Rd2 Rd2 45.Kd2 Ba4–+) 41...Bh6 42.Rd2 (42.Rb4 Bc4 43.Rc4 Rc4 44.h4–+) 42...Bd2 (better 42...Bg4 43.Kd3 Rd8 44.Ke4 Rd2–+) 43.Kd2 Rc4 44.Re1 (44.Ra1 Kg7–+) 44...Kf7 45.Rf1 (45.Ra1 Kf6–+) 45...Ke7 46.Ra1 Rb4 47.Kc3 Rb3 48.Kc2 (48.Kd4 Kd6–+) 48...Rf3 49.Rc1 (49.a5 Kd6–+) 49...Ra3 50.Kb2 (50.Kd2 Ra4 51.Ke3 Bd7–+) 50...Ra4 51.Rc7 Bd7 52.Kc3 (52.h4 Ra5–+) 52...Ra1 (52...Kd8!? 53.Kb3 Kc7 54.Ka4–+) 53.Kb2 (53.Kd4 Kd8 54.Rc3 Bb5–+) 53...Ra5 54.Rc4 (54.Kc3 Kd8 55.Rc4 Rb5–+) 54...Rb5 55.Kc2 (55.Ka3 Kd6 56.Rd4 Rd5–+) 55…Rc5 (55...Rc5 56.Rc5 bc5–+) 0–1. Khumalo,Keith (1720) – Bouah,L (2115), PSS Prestige Rapid (8), 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Re8)

8.e4 Nbd7 9.c4 a5 10.a3 Nh5 11.Nbd2 b6 12.Rc1 Bb7 13.Qb3 ab4 14.ab4 Qe7 15.Ra1 Ba6 16.Ra3 c5 17.b5 Bb7 18.Rfa1 Ra3 19.Ra3 Ra8 20.Ra8 Ba8 21.Qa2 Qd8 22.Qa7 Nf8 23.Nb1 Ne6 24.Nc3 Nf6 25.Bc1 h6 26.Bh3 g5 27.Bf5 Kf8 28.Na4 Nd7 29.Bd2 Bf6 30.Nb6! Nb6 (30...Nb6 31.Ba5 Decoy; 30...Qb6 31.Qd7 Deflection (31.Qd7 Overloading)) 31.Ba5 Qc7 32.Qc7 Nc7 33.Bb6 Ne6 34.Kf1 Ke7 35.Ke2 Kd7 36.Ne1 Kc8 37.Nc2 Kb7 38.Ba5 Kc8 39.Ne3 Bd8 40.Bd8 Kd8 41.Be6 fe6 42.Ng4 h5 43.Nf6 h4 (43...d5 44.h4 gh4 45.gh4+– (45.ed5 h3 46.Kf1 Ke7 47.Nh5 ed5+/–; 45.cd5?! h3 46.Kf1 ed5 47.ed5 Ke7 48.Nh5 Bd5+=)) 44.Nh7 hg3 45.fg3 1–0. Sola,Ruben – Lopez,Ruben, Villa Ballester Sabatino op 2nd, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Re8)

8.e4 Nbd7 9.Nbd2 a5 10.a3 Nb6 ½–½. Djukic,Milovan – Licina,Zoran (2245), YUG Cup Ulcinj, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Re8)

8.e4 Nbd7 9.Nbd2 c6 10.Re1 Qc7 11.c4 h5 12.Qc2 c5 13.b5 Nf8 14.Nf1 Ne6 15.Bc1 Bd7 16.Bd2 Qc8 17.h3 (17.Ne3 Nd4 18.Qd1 Qc7+=) 17...Nh7 (17...Nd4!? 18.Nd4 cd4+=) 18.Kh2 Bf6 19.Ne3 Bd8 20.h4 Nf6 21.a4 a5 22.Rf1 b6 23.Qd1 Ra7 24.Ra2 Ng7 25.Ng1 Ng4 26.Ng4 hg4 27.f3 gf3 28.Qf3 (worse is 28.Rf3 Bg4–/+) 28...Bg4 29.Qe3 Qe6 30.Bh3 Nh5 31.Bc1 Nf6 32.Qf3 (32.Bg2=) 32...Bh3?? (better is 32...Bf3 33.Be6 Be4 34.de4 fe6–/+ (34...Re6?! 35.Re2=)) 33.Nh3+= Ng4 34.Kg2 f6 35.Nf2 Nf2 36.Kf2 Rf7 37.g4 f5 38.gf5 gf5 39.Rg1 Kf8 40.ef5?? Rf5–+ 41.Bh6 Kf7 42.Rg7 Kf6 43.Qf5 Qf5 44.Kg2 Ke6 45.Rf2 Qh5 46.Bg5 Qg4 47.Kf1 Bg5 48.hg5 Re7 49.Rf6 Kd7 50.Rgg6 Qh3 51.Ke2 Qh2 52.Ke3 e4! 53.Rd6 Qd6 54.Rd6 Kd6 0–1. Dorgarten,Armin (1930) – Poetter,Clemens (2000), Ruhrgebiet VK2, 2003. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Re8)

8.c4 e4 9.Bg7 ef3 10.Bf8 fg2 11.Kg2 Kf8 12.Qd2 Qd7 13.Qh6 Kg8 14.Nc3 White intends b5 14...Nf6 15.f3 Nc6 16.b5 Ne5 17.h3 Qe7 18.f4 Neg4 (18...Ned7!?=+) 19.hg4= Ng4 20.Qh4 Ne3 21.Kh2 Qh4 22.gh4 Nf1 23.Rf1 Be6 24.Kg3 a6 25.a4 ab5 26.Nb5 Rc8 27.a5 Bd7 (27...d5 28.cd5 Bd5 29.Rc1+/-) 28.Rb1+- Bc6 29.Na7 Ra8 30.Nc6 bc6 31.Ra1 Ra6 32.Kf3 Kg7 33.d4 f5 34.d5 cd5 35.cd5 Kf6 36.Ke3 (36.e4!?+/-) 36...Ke7+= 37.Kd4 Kd7 38.Kc4 c6 39.dc6 Rc6 (39...Kc6 40.e3+=) 40.Kb5 White prepares a6 40...Rc5 41.Kb4 Kc7 42.a6 Kb8 43.a7 (43.Rd1!?+/-) 43...Ka8= 44.Ra2 Rd5 45.Kc4 Rc5 (45...Rd1 46.e3=) 46.Kd4+= Rb5 47.Ra6 Rb4 48.Ke3 Rb3 49.Kf2 Rh3 50.Rd6 Rh4 51.Kg3 Rg4 52.Kf3 ½-½. Bjarnason,Saevar - Bassler,Markus, EU-ch U20 qual, 1971. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.Nfd2 f5 9.c4 g5 10.b5 Nf6 11.Nc3 Qe8 12.e3 Qg6 13.Qb3 Kh8 14.Nd5 Nd5 15.cd5 f4 16.ef4 (16.Rac1 Rf7+=) 16...gf4= 17.Rac1 Nd7 (17...Rf7 18.d4 ed4 19.Nf3+=) 18.Ne4 (18.d4 Qg5 19.de5 fg3+–) 18...Nf6 (18...Rf7!?=) 19.Nf6+= Rf6 20.Rc7 f3 21.Bh1 Bh3 22.Re1 Raf8 (22...Rb8 23.Bc1+–) 23.Bc1 (23.Rb7 R6f7 24.Rf7 Rf7 25.a4+–) 23...Bh6? (23...R6f7 24.Rf7 Rf7 25.Be3+=) 24.Qc2 (24.Bh6 Qh6 25.d4 e4 26.Re4 R6f7+–) 24...Qh5 (24...Bc1 25.Qc1 Qd3 26.Qg5+–) 25.Re4 (25.Rb7 Bc1 26.Qc1 Bg2+–) 25...Bf4 (25...Bc1!? 26.Qc1 Bf5+–) 26.Rb7 (26.Bf4 ef4 27.Rb7 fg3 28.hg3 Qd5+–) 26...Bg2 (better 26...Bc1 27.Qc1 R8f7 28.Rb8 Kg7+–) 27.Rf4 (27.Ra7?? Qh2!? 28.Kh2 Rh6 29.Kg1 Rh1) 27...ef4 28.Bb2 Qh6 29.Bg2 fg3 (29...fg2 30.Qc7 fg3 31.Bf6 Rf6 32.Rb8 Rf8 33.Rf8 Qf8 34.hg3+–) 30.hg3 (30.Bf3!? Qh2 31.Kf1 Qh3 32.Bg2 Qf5+–) 30...fg2 31.Kg2 Qh5 (31...Kg8 32.Bf6 Qf6+–) 32.Bf6 Rf6 (32...Kg8 33.Rg7 Kh8 34.Rg6 Rf6 35.Qc8 Rf8 36.Qf8) 1–0. Demirbag,Alihan (2035) – Gokcek,Kursat Bugra (1915), Turkish Cup (9), 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Ne8)

8.Ne1 Nd7 9.c4 f5 10.f4 Nef6 11.Nd2 a5 12.a3 c6 13.Kh1 Nh5 (13...ef4!? 14.Rf4 Re8=+) 14.Nc2 (14.b5!?+=) 14...ef4=+ (14...ef4 15.Bg7 Kg7 16.gf4 Qh4=+). Urseanu,Veniamin – Ciocaltea,Victor, ROM–ch Romania, 1961.

8.e4 f5 9.ef5 Bf5 10.Nbd2 (10.Ne5 de5 11.Bb7 Nd7 12.Bd5 Kh8 13.Ba8 Qa8=+) 10...c6 11.Re1 Nd7 (11...a5 12.a3=+) 12.a4 (12.d4 Qb6 13.de5 Qb4=+) 12...Nc7 (12...a5 13.ba5 Qa5 14.d4=+) 13.Nh4 (13.d4 Qe7=) 13...Be6=+ 14.Ne4 Nf6 (14...Qe7 15.Nf3=+) 15.Nf6 (better is 15.Nd6!? Qd6 16.Be5+=) 15...Bf6=+ 16.Nf3 Qd7 17.Nd2 Bh3 18.Ne4 Bg7 19.Bh3 Qh3 20.Nd6?? Nd5 21.Be5?? Be5?? 22.Re5+/– Rf2 23.Kf2 Qh2 24.Kf3 Rf8 25.Nf5 Rf5 26.Rf5 gf5. usnavy (1910) – sjx (2225), net–chess.com, 2001.

8.Na3 c6 9.Nc4 (9.c4 Qb6=) 9...Nbd7 (9...Na6 10.a3=) 10.Nd6 Qc7 (10...Qe7!? 11.Nc4 Bf3 12.ef3 Nd5+=) 11.Nc4+/– Rfe8 12.e4 Rad8 13.Ne3 b5 (13...c5 14.Ng4 Ng4 15.a3+/–) 14.Ng4 h5?? (better is 14...Ng4 15.a4 Nb6 16.ab5 cb5+/–) 15.Nf6+– Bf6 16.a4 a6 17.Qe2 Qb7 18.Rfb1 Nb6 19.ab5 ab5 20.Bc1 Na4 21.Ra3 Qe7 22.Be3 Kh7 23.Qd2 Rd7 24.Bh3 Rc7 25.Re1 Rb8 26.d4 Nb6 27.de5 Nc4 28.ef6 Qf6 29.Bg5 Qf3 30.Rf3 Nd2 31.Bd2 (31.Bd2 Ra8 32.Rf6+–) 1–0. wiking – saiesha, internet, 2010.

8.Nc3 c6 9.a4 Nbd7 10.b5 Rc8 11.Ba3 Bf3 (11...c5 12.Ng5=) 12.Bf3 c5 (better is 12...Qc7=) 13.Bb7+/– Rb8 14.Bg2 (14.Bc6 h6+/–) 14...Nb6 (14...Qa5 15.Bb2+/–) 15.a5 Nbd7 16.Rb1 (better is 16.Qd2+/–) 16...Qa5= 17.Qc1?? (17.Rb3=) 17...Qc7?? (better is 17...Qc3 18.Bb2 Qa5–+) 18.Ne4 d5 19.Nf6+= Nf6 20.c4 d4 21.Ra1 Rfe8 22.Bc6+/– Red8 23.Bc5+– Rb5?? 24.cb5 Nd7 25.Ra7 Qc8 26.Be7 1–0. gbsrao (2220) – billy (2185), net–chess.com, 2010.

8.Nbd2 a5 9.b5 Qd7 10.c4 Bh3 11.a4 Bg2 12.Kg2 Qg4 13.h3 Qe6 14.c5 Nbd7 15.cd6 cd6 (15...Qd6? 16.Ba3 c5 17.bc6 Qc6 18.Rc1+–) 16.Rc1 Nd5 17.Ba3 Bh6 18.Qb3 N7b6 19.Ra1 Rfc8 20.Rfc1 Bg7 (20...Qf6 21.e3=) 21.Ng5 (21.e4 Nb4 22.Rc8 Nc8 23.Qe6 fe6 24.Bb4 ab4+/–) 21...Qd7 22.Nge4 Rc1 23.Rc1 Nb4 24.Bb4 ab4 25.Qb4 d5 26.Nc5 Qe7 27.a5 Nd7 28.Na6 Qb4+= 29.Nb4 Ra5 30.Nd5 Rb5 31.Rc8 Bf8 32.Nc3 Rb2 33.Nc4 Rc2 34.Ne3 Rc1 35.Rc7 Nc5? 36.Ncd5+/– Kg7 37.Nc4 Ne6 38.Rb7 e4 39.Ne5 Nd8 40.Rd7 ed3 41.ed3 Rc8 42.Nf4 Ra8 43.d4 h5? 44.Neg6 Bb4 45.Ne5 h4 46.Ned3 Bc3 47.d5 hg3 48.fg3 Kf6 49.Nc5 Be5 50.Kf3 Kf5 51.g4 Kg5 52.Rd8! Rd8 53.Nce6! fe6 54.Ne6 Kh4 55.Nd8 Kh3 56.Nf7 (56.Nf7 Bh2 57.g5+–) 1–0. Christen,Pi (2060) – Mamedjarova,Z (2365), Kaupthing Open, Differdange LUX, 2007.

8.Nbd2 c6 9.c4 Nbd7 10.Qc2 (10.h3 Bf3 11.Bf3 Re8=) 10...Re8 11.h3 Bf3 12.Bf3 Rc8 13.Rac1 Qe7 14.a4 d5 15.Qc3 (15.cd5 cd5 16.Qb3 Qd6=) 15...Nb6 16.Ra1 Nbd7 (16...e4 17.de4 Nc4 18.Nc4 dc4 19.Rfd1=) 17.e4 (17.a5!?+=) 17...d4 18.Qb3 c5 (18...a5 19.Ba3=) 19.Ba3 (19.b5 a5=) 19...b6 20.b5 Nf8 (20...Bh6 21.Qb2=) 21.Ra2 (21.Bg2 Bh8+=) 21...Ne6 (21...Bh6 22.Bc1=) 22.Rfa1 (22.Bg2 Qc7=) 22...Ng5 23.Bg2 Qd7 24.Kh2 Ne6 (24...Bf8 25.a5+=) 25.Bc1 (25.Nf3 Qd6+=) 25...Ra8 (25...Bh6 26.a5=) 26.a5+= Qb7 27.Nf3 Nd7 28.Ra4 Nc7 29.R4a2 Ne6 Twofold repetition 30.Ng5 Nc7 31.f4 f6 32.Nf3 a6 (32...ef4 33.gf4 Qc8 34.ab6 ab6 35.Ra8 Na8 36.h4+=) 33.ba6 Ra6+= 34.Rb1 Qc6 35.Bd2 Rb8 36.Qa4 ba5 37.Qc6+/– Rc6 38.Rb8 Nb8 39.Ra5 Nba6 40.fe5 fe5 41.Bg5 Nb4 42.Bf1 Ne6 43.Bd2 Rb6 44.Kg1 Nc6 45.Ra8 Kf7 46.Kf2 Rb2 47.Ke1 Rb1 48.Kf2 Rb2 Twofold repetition 49.Be2 Nb4 50.Rc8 ½–½. Vita,Fabrizio (2100) – Mascheroni,Maurizio (2055), Bratto op, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Bg4)

8.Nbd2 Nc6 9.a3 Qd7 10.c4 Rab8 11.Nb3 a6 12.Qd2 Ne7 13.Na5 Ne8 14.Rfe1 c6 15.Qc2 Bf3 16.ef3 f5 17.d4 e4 (better is 17...ed4!? 18.Re2 c5=) 18.fe4+/– fe4 19.Re4 Nf5 20.Bh3 Qf7 21.Rf1 d5 22.Rf4 dc4 23.Nc4 Qd5 24.Bg2 Qd7 25.Ne5 Be5 26.de5 Qe6 27.Rc1 Neg7 28.Be4 Nh5 29.Rf3 Ne7 30.Rf8 Rf8 31.f4 Qh3 32.Bg2 Qg4 33.b5! ab5 34.a4 b4? 35.Qc4+– Kh8 36.e6 Kg8 37.Qb4 Nd5 38.Qd6 Ne3?? 39.e7 Re8 40.Qe5 Kf7?? 41.Qe3 Qf5 42.Qb3 Ke7 43.Re1 Kf8 44.Ba3 c5 45.Re8 Ke8 46.Qe3 Kf7 47.Bc5 Qb1 48.Bf1 Qf5 49.Qe7 Kg8 50.Bc4 (50.Bc4 Kh8 51.Bd4 Nf6 52.Qf8#) 1–0. giorgo – kostia64, kurnik, 2012.

8.Nbd2 Nc6 9.a3 Qd7 10.e4 Bh3 11.Nc4 Bg2 12.Kg2 Nh5 13.Ne3 f5 14.ef5 (14.c4 Rae8=) 14...gf5 (better is 14...e4 15.de4 Bb2–/+) 15.Ne5 de5 16.Qh5 f4 17.Nc4 Rf5 18.Qh3 f3 19.Kg1 Qf7 20.Rae1 Re8 21.Ne3 (21.b5 Nb8+–) 21...Rh5 22.Qg4 Re6 23.Nc4 Rg6 24.Qc8+– Bf8 25.Ne5 Rg3?? 26.fg3 Qg7 27.Qe6 Kh8 28.Nf7 (28.Nf7 Kg8 29.Nh6 Kh8 30.Qg8) 1–0. bibin (1840) – jojopa (1790), kurnik, 2011.

8.Nbd2 Qd7 9.a3 Nc6 10.c4 Bh3 11.e4 Bg2 12.Kg2 Nh5 13.Rh1 Qg4 14.Nh4? (better is 14.Ne1!? Nf4 15.Kg1 Qd1 16.Rd1=) 14...Nf4–+ 15.Kg1 Qd1 16.Rd1 Nd3 17.Ba1 Nd4 18.Bd4 ed4 19.Ndf3 Ne5 20.Kg2 (20.Nd2 a5–/+) 20...Nf3 (better is 20...Nc4 21.Nd4 Na3–+) 21.Nf3–/+ c5 22.b5 Rfe8 23.Nd2 Re7 24.Rhe1 Rae8 25.f3 f5 26.Kf2 Bh6 27.ef5 Bd2 28.Re7 Re7 29.Rd2 gf5 30.a4 Kg7 31.h4 Kf6 32.Rd3 h5 33.Rd2 Re3 34.Ra2 Rc3 35.a5 Rc4 36.b6 a6 37.Ra3 Rc3 38.Ra2 Re3 39.Rd2 Ke5 40.Rc2 Kd5 41.f4 c4 42.Re2 Re2 43.Ke2 Kc5 44.Kf3 c3 45.Ke2 Kc4 (45...Kc4 46.g4 d3 47.Kf2 c2 48.Kf3 c1Q 49.Kf2 Qf4 50.Kg2 d2 51.gh5 d1Q 52.h6 Qdf1#) 0–1. giorgo – sfbirkenfeld (1710), kurnik, 2012.

8.Nbd2 Nbd7 9.h3 Be6 10.Ng5 c6 11.Ne6 fe6 12.e4 d5 13.ed5 ed5 14.Nf3 Qc7 15.Re1 Rae8 16.a4 a6 17.b5 ab5 (17...e4 18.de4 de4 19.Ng5=+) 18.ab5= cb5 (18...e4 19.de4 de4 20.Nd4=) 19.Ra7 (better is 19.Ba3!?+=) 19...Nh5 20.Ne5? (better is 20.Qd2=) 20...Ne5–+ 21.Bd5 Kh8 22.Rb7?? Qc5 23.Be4 Nc6 24.Bg7–+ Ng7 25.Qd2 Nd4 26.Kg2 Qc2 27.Qc2 Nc2 28.Rc1 Nd4 29.Rcc7 Nde6 30.Rc2 Rb8 31.Re7 b4 32.Bd5 b3 33.Rb2 Nd4 34.Re4 Ngf5 35.g4 Nh4 36.Kg3 Nhf3 37.Re3 Ng5 38.f4 Nf7 39.Re4=+ Nc2 40.Rb3 Nd6 41.Re6 Rb3 42.Bb3=+ Nd4 43.Rd6 Nb3 44.d4 Kg7 45.d5 Nc5 46.Rc6 Ne4–/+ 47.Kf3 Nf6 48.d6 Rd8–+ 49.g5 Nd7?? 50.Ke4= Kf7 51.f5?? gf5–+ 52.Kf5 Ra8 53.Rc7 Ra5 54.Kg4 Ke6 55.Rd7 Kd7 56.h4 Kd6 57.h5 Ke6 58.g6 h6 59.Kh4 Kf6 (59...Kf6 60.Kg4 Ra4 61.Kg3 Kg5–+) 0–1. gbsrao (2125) – maaac (2400), net–chess.com, 2007.

8.Ne1 c6 9.f3 (9.c4!?=) 9...Be6–/+ 10.e4 (10.c3 Qb6 11.Kh1 a5–/+) 10...Qb6 11.Kh1 d5 (11...a5!?–/+) 12.Be5= Qb4 13.Nd2 b6 (13...Qe7 14.d4=+) 14.Nb3 (14.d4 Nbd7 15.Nd3 Qc3=+) 14...Nbd7=+ 15.a3 (15.Bb2 Rfe8=+) 15...Qe7 16.Bb2 de4 (16...Rad8 17.a4=+) 17.fe4= Rad8 18.Nd4 Nb8 (18...Qd6 19.Nef3 Ng4 20.Ne6 fe6 21.Bg7 Kg7 22.Qd2=) 19.Ne6 (19.Qf3 Ng4 20.c3 Ne5=) 19...Qe6 (19...fe6 20.e5 Nfd7 21.Nf3+=) 20.Qf3 Nbd7 21.d4+= Qc4 22.Qc3 Qc3= 23.Bc3 Ng4 24.Rf3 Rfe8 25.h3 Ngf6 26.Re3?? Nd5!–+ (26...Nd5 27.Bd2 Ne3 28.Be3 c5–+) 0–1. Briceno,Jose Antonio – Marques,Joao, IECC, 2005.

8.h3 Bd7 9.c4 Qc8 (better 9...Re8=) 10.Kh2 (10.g4 h6=) 10...Nc6 (better 10...e4 11.Nd4 c5 12.bc5 dc5–/+) 11.Qb3 (11.b5 Ne7=) 11...b6 (11...Re8 12.b5 Ne7 13.Nc3=) 12.Nbd2 (12.Nc3 a6=) 12...Rb8 (12...a6 13.e3=) 13.a4 (13.b5 Na5 14.Qb4 a6+=) 13...Re8 (13...a6 14.e3+=) 14.e3 (14.g4 h6=) 14...h6 (14...a6 15.d4+=) 15.Bc3 (15.b5 Na5 16.Qc2 c6+=) 15...a5 16.b5 Nd8 (16...Ne7 17.Ne1+=) 17.Qc2 (17.d4 ed4 18.ed4 Ne6+=) 17...c5 (17...c6 18.Rab1=) 18.bc6 (18.Rad1 Qc7+=) 18...Nc6 (18...Bc6 19.Rfb1=) 19.d4 (19.Rab1 Qc7=) 19...Qc7 20.Rfd1 Kh7 (20...Rbc8 21.Qb3=) 21.Qb3 Bf5 22.Nh4 (22.Rac1 Kg8=) 22...Bd7 23.Ra2 (23.Rab1 Kg8=) 23...Kg8 24.Nhf3 Bf5 (24...e4 25.Ne1=) 25.Nb1 (25.Rb2 e4 26.Ne1 Na7+=) 25...Ne4+= 26.Ba1 (26.Nh4 Nc5 (worse 26...Nc3 27.Nc3 Nb4 28.Nf5 gf5 29.Rb2+–) 27.Qb2 ed4 28.ed4 Nd3+–) 26...Nc5 27.Qa3 (27.dc5 bc5 Combination) 27...Na6 28.Rad2 Bb1 (28...Ncb4 29.Nc3 Qc4 30.Nb5=) 29.Rb1 e4 30.Ne1 Ncb4 31.Qb3 Rbc8 32.Rc1 (32.Bf1 Qc6+=) 32...Kh7 (32...d5!?=+) 33.Bf1 (33.Bb2 Qe7=) 33...Qe7 (33...d5 34.Bb2+=) 34.Bc3+= Bf8 (34...Qf6 35.Bb4 Nb4 36.Nc2+=) 35.Nc2 d5 (35...Nc2 36.Rcc2 Rb8 37.Rb2+=) 36.cd5+– Qf6 37.Rb1 Bd6 38.Na3 (38.Bc4 Re7+=) 38...h5 (38...Nc7!?+=) 39.Nb5+– h4 (39...Rcd8 40.Bc4+–) 40.Nd6+– Qd6 41.Ba6 Na6 42.Rc2?? (better 42.Qb6 hg3 43.Kg2 Qd5 44.Ba5+–) 42...hg3 (42...Nc7 43.Rbc1 (worse 43.Qb6 hg3 44.fg3 Qb6 45.Rb6 Nd5–+) 43...Nd5 44.Bb2 Rc2 45.Rc2=+) 43.fg3= Nc7 44.Rf1 (worse 44.Qb6 Qb6 45.Rb6 Nd5–+) 44...Kg7 (44...Kg8 45.Ba5 ba5 46.Qb7=) 45.Rcf2 (45.Ba5!? ba5 46.Qb7=) 45...f5=+ 46.Bb2 Nd5 47.Ba3 (47.Ba1 Rh8–/+) 47...Qd7 (47...Qe6 48.Rc1–/+) 48.Rc1 Rc1 49.Bc1 Rh8 50.h4 (50.Ba3 g5 51.Rg2 f4 52.gf4 Qh3 53.Kg1 Qh1 54.Kf2 Rh3–+) 50...g5–+ 51.Rg2 Kf6 52.Qd1 (52.Kg1 gh4 53.gh4 Rh4–+) 52...gh4 53.g4 Rg8 54.Qe1? (better 54.Rf2 Rg5 55.gf5 Qd6 56.Kh1–+) 54...Rg4 55.Rg4 fg4 56.Qh4 Kg6 57.Qg3 (57.Bb2 Ne3 58.Qf2 Qh7 59.Kg1–+) 57...Qc7 (better 57...Nf6–+) 58.Qc7 Nc7 59.Ba3? (better 59.Kg3 Kg5 60.Bd2–+) 59...Kf5 60.Kg3 (60.Bc1 b5 61.d5 Ke5–+ (61...Nd5?! 62.ab5 Nb6 63.Bb2–+)) 60...Nd5 61.Kf2 Ke6 (61...Nc3!? 62.Bd6 Na4 63.Bc7–+) 62.Bb2 Kf5 63.Ba1?? (63.Ba3 Nc3 64.Be7–+) 63...Kg5–+ 64.Bb2 Kh4 65.Ba3 (65.Kg1 Kh3–+) 65...g3 66.Ke2 (66.Kg2 Ne3 67.Kg1 Kh3–+) 66...Kg4 (better 66...Nc3 67.Kf1 Kh3 68.Bd6 g2 69.Kf2–+) 67.Bd6 Nc3 68.Kd2 g2 (68...Na4 69.Ke1–+) 69.Bh2 Kh3 70.Bg1 Nd5 (70...Na4 71.d5–+) 71.Kc2 (71.Ke1 Kg3 72.Kd2 Kf3–+) 71...Kg3 (better 71...Kg4 72.Kd2–+) 72.Kb3 (72.Kd2–+) 72...Kf3 73.Kc4 (73.Kb2 Ne3 74.Kc1 Nc4–+) 73...Ne3 74.Kb5 Nd5 75.Kc6 0–1. Bitoon,Richard (2415) – Docena,Jerad (2315), PSC/Puregold Open, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Bg4)

8.h3 Be6 9.c4=.

8.Qc1 f5 9.c4 Nc6 10.b5 Ne7 11.Nc3 h6 12.Nd2 g5 13.Nd5 Ng6 (13...Nd5!? 14.Bd5 Kh7=) 14.c5+= Rf7 15.cd6 Qd6 16.Nc4 Qd8 17.Nb4 Kh7 18.a4 Qe8 19.Qc2 Nf6 20.Rac1 h5 21.Ne3 Qd8 22.Ned5 Ne8 23.e3 f4 24.ef4 gf4 25.gf4 ef4 26.Bg7 f3 27.Bf6 Rf6 28.Nf6 Qf6+= 29.Qc5 fg2 30.Qh5 Kg7 31.Rfe1 Nf4 32.Qe5 Qe5 33.Re5 Bg4? 34.Rc4+– Kf6 35.Re8 Re8+/– 36.Rf4 Kg5 37.Re4 Re4+= 38.de4 Bf3 39.e5 Kf5 40.Nd3 Be4 41.e6! Ke6 42.Nc5+– Kd5 43.Ne4 Ke4 44.Kg2 c5 45.bc6 bc6 46.Kf1 Kd3 47.Ke1 c5 48.Kd1 c4 49.h4 Ke4 50.f3! Kf5 51.Kc2 (51.Kc2 Kf6 52.Kc3+–) 1–0. Yepez,Trotzky – Cuartas,Carlos Enrique, Bogota El Tiempo, 1970.

8.Qc1 f5 9.c4 f4 10.Nc3 g5 11.b5 Nd7 12.Rd1 g4 13.Nd2 Nc5 14.Nb3 Ne6 15.d4 ed4 16.Ne4 f3 17.ef3 gf3 18.Bf1 d5 19.cd5 Qd5 20.Nec5 Nhf4 21.gf4 Rf4 22.Ne6 Rg4 23.Kh1 Be6 24.Bh3 Rh4 25.Be6 Qe6 26.Qg5 Rg4 27.Qg4 Qg4 28.Rg1 Qh4 29.Bd4 Rd8 30.Bg7 Kf7 31.Rg3 Rd6 32.Be5 Rg6 33.Rf3 Kg8 34.Rd1 Qg5 35.Bg3 Qb5 36.Bc7 Qc6 37.Rd8 Kg7 38.Be5 Kh6 39.Rdd3 Qe4 40.Bf4 Kg7 41.Bg3 Rf6 42.Kg2 Rf3 43.Rf3 Qa4 44.Nc5 Qa2 45.Nb7 a5 46.Nd6 a4 47.Nf5 Kf6 48.Bd6 Ke6 49.Ba3 Qb1 50.h3 Ke5 51.Nd6 Kd5 52.Rf4 Qb3 53.Nb5 Qc2 54.Ra4 1–0. Bernard,C – Renet, Ch–Fra, 1986. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nh5)

8.Qc1 f5 9.Nbd2 Nc6 10.b5 Ne7 11.c4 f4 (11...a6 12.a4+=) 12.d4 ed4 13.Bd4 fg3 14.hg3 Nf6 15.e4 h6 (15...c5 16.Bc3+=) 16.Qb2+/– g5 (16...c5 17.Bc3+/–) 17.Rfe1 White intends e5 17...Qe8? (better is 17...c5!? 18.Bc3 a6+/–) 18.e5+– de5 19.Re5 (19.Ne5!? Nf5 20.Bc3 a6+–) 19...Qf7 20.Rae1 (20.Ree1 Ng6 21.Ne5 Ne5 22.Re5 Kh8+–) 20...Ng6+/– 21.R5e2 Bg4 (21...c6 22.bc6 bc6 23.Qb4+/–) 22.Ne5+– Ne5 23.Re5 (23.Be5?! Be2 24.Re2 Rab8+=) 23...Rfe8 (23...Rae8 24.Bb7 Re5 25.Re5+–) 24.Bb7 Re5 25.Be5 Rd8 26.Ne4 Ne4 27.Be4 (worse is 27.Re4 Rd1 28.Re1 Re1 29.Kg2 Bh3 30.Kh2 Qh5 31.f4 Bg4 32.Kg2 Qh3 33.Kf2 Qf1) 27...Be6 (better is 27...Bf8+–) 28.Bg7 Qg7 29.Bh7! Qh7 (29...Qh7 30.Re6 Discovered attack; 29...Kh7 30.Qg7 Double attack (30.Re6 Discovered attack)) 30.Re6 Rd1 (30...g4 31.Qe2 Qf5 32.Re8 Re8 33.Qe8 Kg7 34.a4+–) 31.Kh2 (31.Kh2 Rd8 32.Qe2+–) 1–0. Arnaudov,Petar (2150) – Bogdanov,Valentin (2385), 13th European Seniors, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nh5)

8.c3 f5 9.Qb3 Kh8 10.Nbd2 Qe8 11.c4 c6 12.Bc3 Nd7 13.Qb2 h6 14.e4 f4 15.d4 ed4 16.Bd4 Ne5 17.c5 Nf3 18.Bf3 dc5 19.bc5 Bd4 20.Qd4 Ng7 21.Rab1 b5 22.cb6 ab6 23.Qb6 Ra2 24.Rb2 Rb2 25.Qb2 Be6 26.Qe5 Qd7 27.Qc3 fg3 28.hg3 Rd8 29.Nc4 Qf7 30.Ne5+/– Qf6 31.Bg2 Kh7 32.Qc5 Bd7 33.Nd7 Rd7 34.e5 Qg5 35.Bc6 Re7 36.Re1 h5 37.Bg2 h4 38.gh4 Qh4 39.Re4 Qg5 40.f4 Qh4 41.f5! Qg5 42.f6 Rd7 43.fg7 Rd1 44.Kh2 Qh5 45.Kg3 Rd3 46.Kf2 Rd2 47.Kf1 Rd1+= 48.Kf2 Rd2 49.Kf1 Rd1= 50.Re1 Qf5 51.Ke2 Qg4 52.Bf3+/– Re1 53.Ke1 Qf3 54.Qf8 Qe3 55.Kf1 Qd3 56.Kf2 Qd2 57.Kf3 Qd3 58.Kg4 Qe4 59.Kh3 ½–½. Tiggelman,R – De Wit,D (2240), Belgian Interteams, 1999.

8.c4?? e4!–+ 9.Bg7 (9.de4 Bb2 Discovered attack) 9...ef3 10.Bf8 fg2 11.Kg2 Qf8 12.Nc3 Nc6 13.b5 Ne7 14.e4 Qh6 15.h4 Nf6 16.Nd5 Ned5 17.cd5 Bg4 18.Qc1 Qc1 (18...Qh5 19.f3 Bd7=) 19.Rfc1= Ne8 20.Rab1 Bd7 21.d4 Kf8 22.f4 White plans e5 22...Ke7 23.Kf3 h5 24.Rb3 Kd8 25.f5 gf5 26.e5 a6 27.a4 (better is 27.ba6!? Ra6 28.Rb7–/+) 27...ab5–+ 28.ab5 Ra5 29.Rcb1 Ke7 30.Kf4 f6 31.e6 Bc8 32.Rc3 b6 33.Kf5 Bb7 (better is 33...Kf8!?+=) 34.Rbc1+= c5 35.bc6 Bc8 36.Kg6 Nc7 37.Rf3 (worse is 37.Kh5 Be6 38.Kg6 Rd5+=) 37...Nd5 38.Rf5 Be6 39.Re1 Nc7? (39...Ra3!? 40.Rd5 Rg3 41.Kh5 Kf7 42.Re6 Ke6+=) 40.Rh5 Rh5 41.Kh5 Kf7 42.Ra1 Nd5 43.Ra7 Ne7 44.g4 (44.c7!?+=) 44...Bd5= 45.g5 fg5 46.Kg5 Bc6 47.h5 Be4 48.h6 Ke6 49.d5 Nd5 (49...Bd5?? 50.Re7 Ke7 51.h7+–) 50.h7 Bh7 51.Rh7 b5 52.Rb7 b4 53.Kg4 Ke5 54.Kf3 Kd4 55.Ke2 Kc3 56.Rb5? (56.Rb8 Kc4 57.Rc8 Kd4+=) 56...Nf4 (better is 56...Kc4!? 57.Rb8 Nf4 58.Kd2 Nd3–+) 57.Ke3–/+ Nd3 (better is 57...Kc4!? 58.Rg5 Nd5 59.Kd2 Nf6–/+) 58.Rb6= Ne5 59.Ke4 b3 60.Rd6 b2 61.Rb6 ½–½. Sabol,M (2310) – Biolek,R1 (2455), 26th Czech Open A, 2015. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nh5)

8.c4?? f5 9.Nbd2 f4 10.Qb3 Kh8 11.Ne4 Nd7 12.d4 (better 12.e3+=) 12...Ndf6? (better 12...Nhf6!? 13.Nf6 Qf6=) 13.Nf6+/- Bf6 14.de5 de5 15.Be5 Bg4 (15...Qe7 A) 16.Bf4?! Ba1 17.Ra1 Nf4 18.gf4 Rf4=+ (18...Qe2?? 19.Re1 Qe1 20.Ne1+-); B) 16.Bf6 Nf6 17.gf4+-) 16.Bf6 Qf6 17.Rad1 (17.e3 g5+-) 17...Rae8 18.Qd3 (18.Rd2 c6+/-) 18...c6 19.Rfe1 Bf5 (19...Kg8 20.Qd4+/-) 20.Qd4+- Re4 (20...a6 21.Qf6 Rf6 22.e4+-) 21.Qf6 Nf6 22.Rd4 (22.Nd4!? fg3 23.hg3 Re7+-) 22...Rd4 23.Nd4 fg3 (23...Rd8 24.e3+/-) 24.hg3+- Rd8 25.e3 Ne4? (25...h6 26.a4+-) 26.Be4 (better 26.g4 Nf2 27.gf5+-) 26...Be4 27.f3 Bd3 28.c5 a5 (28...Kg8 29.Kf2+-) 29.a3 ab4 30.ab4 Ra8 31.Rd1 Bc4 32.Rd2 (32.Rc1 Bd3+-) 32...Ra1 33.Kg2 Rb1 34.Nc2 Rb2 35.Rf2 Bd3 36.Ne1 Rb3 37.Rd2 (37.Nd3 Rd3 38.e4 Rb3+/-) 37...Ba6 (37...Bc4!?+/-) 38.Nc2+- Rb2 39.Rf2 (39.Kh3!? Bc4+-) 39...Bb5 (39...Bd3 40.Nd4 Rb4+/-) 40.e4+/- Kg7 41.f4?? (better 41.e5+/-) 41...Bd3-/+ 42.Nd4 Be4 43.Kf1 Rb4 44.Rd2 Rc4 45.Kf2 (45.Nb3 Bd5 46.Rd3 Rb4-/+) 45...Kf6 (better 45...Bd5!?-+) 46.Ke3-/+ Bd5 (46...Bf5 47.Rb2 Rc5 48.Rb7 Rc3 49.Kf2-/+) 47.Nb3?? (better 47.Rc2-/+) 47…Rc3-+ (47...Rc3 48.Kd4 Rb3-+) 0-1. timofeevich (1970) - Angelbird (2120), Rated Classical game, lichess.org, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5)

8.Nbd2 f5 9.Qc1 f4 10.Ne4 Nc6 11.a3 Bf5 12.c3 fg3 13.hg3 Bg4 14.Qe3 Ne7 15.Nh2 Nf5 16.Qd2 Bh6 17.e3 Ne3 18.fe3 Qd7 19.Bc1 Bh3 20.Qe1 d5 21.Nc5 Qc8 22.Nf3 b6 23.Nb3 e4 24.Ne5 Qe6 25.d4 Rf1 26.Kf1 Rf8 27.Kg1 Bg2 28.Kg2 Nf6 29.Bd2 Ng4 30.Qg1 Ne5 31.de5 Qe5 32.Rf1 Rf1 33.Qf1 Qe6 34.Nd4 Qg4 35.Qe2 (35.Qe2 Qe2 36.Ne2+/–) 1–0. linakip – drybczus, kurnik, 2012.

8.Nbd2 f5 9.c4 f4 10.c5 g5 11.Rc1 g4 12.Ne1 Nc6 13.Ne4 d5 14.Nc3 Be6 15.Qb3 Nd4 16.Qd1 c6 17.Nb1 Nf5 18.a4 Qd7 19.Na3 fg3 20.hg3 Nhg3 21.fg3 Ng3 22.Rf8 Rf8 23.e4 Qf7 24.Qd2 Qh5 25.Nec2 Bh6 26.Ne3 d4 27.Qc2?? Be3 (27...Be3 28.Qf2 Bf2) 0–1. gbsrao (2355) – wvmaniac (2400), net–chess.com, 2011.

8.Nbd2 f5 9.Re1 Nc6 10.b5 Ne7 11.c4 f4 12.Qb3 Qe8 13.Ne4 Kh8 14.d4 Bf5= 15.Ned2 Ng8 16.e3 fg3 17.hg3 Nh6 18.Rac1 Nf7 19.c5 e4 20.Nh4+/– Bf6 21.Nf5 gf5 22.cd6 cd6 23.Qd5 Qd7 24.Bh3 Nh6 25.Ne4! Be7 (25...fe4 26.Bd7). Subedei – Letsplay!, ChessWorld.net, 2006.

8.Nfd2 Nc6 9.b5 Ne7 10.c4 f5 11.Nc3 Nf6 12.a4 g5 13.a5 a6 14.Qb3 1–0. Poleschi,Ricardo D – Salguero,Francisco, SIMUL, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5)

8.Nfd2 d5 9.c4 d4 10.a4 Nd7 11.a5 Rb8 12.Nb3 Ndf6 13.N1d2 Bd7 14.Nc5 Bc6 15.Bc6 bc6 16.Qa4 Qd6 17.Ba3 Bh6 18.Nf3 Rfe8 19.b5 cb5 20.cb5 Qd8 21.Na6 Rc8 22.Nb4 Qd7 23.Nc6 Qh3 24.Bc1 Bc1 25.Rfc1 Nd5 26.Qd1 Nc3 27.Qd2 Nb5 28.Rc5 a6 29.Re5 Qd7 30.Rc1 Ng7 31.Rc4 Ne6 32.Qb2 f6 33.Re6 Re6 34.Ncd4 Nd4 35.Nd4 Rd6 36.Nb3 Kg7 37.Nc5 Qe7 38.Qb7 Rcd8 39.Re4 Qf7 40.d4 f5 41.Re5 Kh6 42.e3 Re8 43.Re8 Qe8 44.Qc7 Qd8 45.Qf7 Rf6 46.Qa2 Rc6 47.h3 g5 48.Ne6 Qd6 49.d5 Rc1 50.Kg2 Qb4 51.Nd4 Qe1 0–1. Spiridonov,Nikola – Sax,Gyula, It Baile, 1982. (=1.Nf3 Nf6 2.g3 d6 3.Bg2 g6 4.b4 Bg7 5.Bb2 0-0 6.0-0 e5 7.d3 Nh5)

8.Ne1 c6 9.c4 f5 10.Nc3 Nd7 11.Nc2 Ndf6 12.a4 a5 13.ba5 Qa5 14.Rb1 f4 15.Ba3 Qc7 (15...Qc3? 16.Bb4 Qb4 17.Rb4+–) 16.d4 Rd8 17.e3 fe3 18.fe3 ed4 19.ed4 Bf5 20.Rb3 Ng4 21.Be4 Nh2 22.Nd5 cd5 23.Bd5 Kh8 24.Rf5 gf5 25.Qh5 Rab8 26.Kh2 Qa5 27.Re3 Qa4 28.Qe2 b6 29.Kh3 Re8 30.Bd6 Re3 31.Ne3 Re8 32.Be5 Qd7 33.Kh2 Be5 34.de5 Re5 35.Qb2 Qd6 36.Nf5 Qf6 37.Nh4 Kg7 38.Qa2 Re7 39.Qc2 Re5 40.Be4 Qe6 41.Bd3 h5 42.Nf3 Ra5 43.Nh4 Re5 44.Qg2 Qf7 45.Ng6 Rg5 46.Nh4 Re5 47.Qc6 Qf2 48.Kh3 Qf7 49.Kg2 Qe6 50.Qc7 Kf6 51.Qh7 Ra5 52.Qh8 Ke7 53.Ng6 Kd6 54.Nf4 Ra2 55.Kf1 Qe3 56.Qh6 Kd7 57.Bf5 Ke8 58.Qh5 Kf8 59.Qh8 Kf7 60.Bg6 (60.Bg6 Ke7 61.Nd5 Kd6 62.Qf8 Kc6 63.Qc8 Kd6 64.Qc7 Ke6 65.Qe7#) 1–0. Haub,TM (2465) – Marholev,Dimitar (2355), Avoine FRA, 2012.

8.Ne1 f5 9.c4 f4 10.e3 fe3 11.fe3 Rf1 12.Kf1 Qg5 13.Bd5 Kh8 14.Qf3 Bh3 15.Kg1 Nc6 16.Qe2 (16.Bc6 Rf8 (16...bc6?! 17.Ng2–/+) 17.Ng2 Rf3 18.Bf3 Bg2 19.Kg2 Qe3–+) 16...Bh6 17.Nc2 (17.Bc1 Rf8 (17...Nb4?! 18.Bb7 Rf8 19.Bg2 Bg2 20.Ng2+=) 18.Bc6 bc6+=) 17...Rf8 (better is 17...Ng3 18.hg3 Qg3 19.Bg2 Nb4–+) 18.Nc3?? (better is 18.Nba3+=) 18...Ng3!–+ 19.hg3 Qg3 20.Bg2 Bg2 (20...Bg2 21.Qg2 Be3 22.Kh1 Qg2 23.Kg2 Rf2 24.Kh1 Rc2–+) 0–1. Makai,Zsuzsa – Borner,Daniel, Zuerich op–A, 1981.

8.e4 a5 9.b5 c5 10.Nfd2 Nd7 11.Nc4 Nb6 12.Nb6 Qb6 13.a4 Qd8 14.Nd2 Be6 15.Qe2 Rb8 16.Nc4 b6 17.Rae1 Bh6 18.Bc1 Bc1= 19.Rc1 Ng7 20.f4 f6 21.Rce1 ef4 22.gf4 d5 23.ed5+= Bd5 24.Bd5 Qd5 25.Qg2 Qd4 26.Qf2 Qd7 27.Re4 Rfe8 28.Rfe1 Re4 29.Re4 Nf5 30.Kh1 Nd4 31.c3+= Nf5 32.Qe2 Kf7 33.Kg1 Rb7 ½–½. Overeem,M (2155) – Tolhuizen,L (2295), HZ Open, Vlissingen NED, 2004.

8.e4 c6 9.h3 a5 10.ba5 Ra5 11.Kh2 Re8 12.Nbd2 d5 13.Nb3 Ra8 14.Qe2 de4 15.de4 f6 16.Rfd1 Qc7 17.Bc1 Bf8 18.Be3 b6 19.a4 Be6 20.Nbd2 Nd7 21.Nb3 Ng7 22.Bf1 Red8 23.Nfd2 Ne8 24.Nc4 Nd6 25.Nd6 Bd6 26.Qe1 Bc5 27.Bc5 Nc5 28.Rd8 Qd8 29.Nc5 bc5 30.a5 Qd4 31.c3 Qd8 32.a6 Ra7 33.Qb1 Qa8 34.Qb6 c4 35.Rd1 Bd7 36.Bc4 Kg7 37.Qc5 Be8 38.Qb6 Bd7 39.Be6 Be6 40.Rd8 Qd8 41.Qd8 Ra6 42.g4 g5 43.Kg3 Ra4 44.Qc7 Bf7 45.f3 Rc4 46.Qa5 h6 47.h4 Kg8 48.hg5 hg5 49.Kf2 Kg7 50.Ke3 Kg8 51.Kd3 Kg7 52.Qa3 Kg8 53.Qe7 Kg7 54.Qf7 1–0. Broomes – Thomas, Chicago, 1988.

8.e4 Nc6 9.a3 Bd7 10.Nbd2 Qc8 11.Qe2 Bg4 12.Rfe1 Bh6 13.Qf1 f5 14.h3 (14.ef5 Qf5 15.h3 Bf3 16.Nf3 Qe6+=) 14...Bf3 (14...Bd2 15.hg4 Ng3 16.fg3 Be1 A) 17.Re1? fg4 18.c3 gf3 (18...Rf3?! 19.Bf3 gf3 20.Qf3+=) 19.Bf3 b5–+; B) 17.Qe1 fg4 18.Nd2=) 15.Nf3= Nf6 (15...fe4 16.Re4 Nf6 17.Ree1=) 16.Nh2 (16.ef5 gf5 17.Qe2 Qd7+=) 16...f4 17.g4 Bg7 18.Bf3 g5 19.Qg2 Qe8 20.Be2 Rb8 21.Nf3 h6 22.Nd2 Nd7 23.f3 Nd4 24.Bd4 ed4+= 25.Nb3 Nf6 26.Qf2 Qe5 27.a4 Nd7 28.Nd2 Qe7 29.Nb3 Be5 30.Nd4 Qf6 31.c3= c5 32.bc5 dc5 33.Nb5 Bc3 34.Nc3 Qc3 35.Rec1 Qe5 36.Rd1 Qd4 37.Re1 Rfc8 38.Bf1 Ne5–/+ 39.Be2 Rc6 40.Rab1 Qf2 41.Kf2 b6 42.a5 Rd8 43.ab6 ab6 44.Red1 Rd4 45.Ra1 Rcd6 46.Ra8 Kf7 47.Ra7 Rd7 48.Rd7 Rd7 49.Kg2 Ke6 50.Kf2 Rd6 51.Rb1 Kd7 52.Rb3 Kc6 53.Ke1 Rd4 54.Rc3 h5 55.Rc2? Nd3 56.Bd3 Rd3 57.Ke2 Re3 58.Kf2 h4 59.Rc1 c4 0–1. Kashyap,R (1830) – Ramnath,H (2050), Mayors Cup Open, Mumbai IND, 2008.

8.e4 Nc6 9.b5 Ne7 10.c4 Qe8 11.a4 f5 12.c5 f4 13.cd6 cd6 14.Nbd2 Bd7 15.Nc4 Nc8 16.d4 Be6 17.Na5 Qd8 18.Qd2 fg3 19.hg3 Bg4 20.Nh2 Be6 21.de5 de5 22.Qd8 Rd8 23.Nb7 Re8 24.Nc5 Bf7 25.Na6 Re7 26.Rfc1 Nb6 27.Bf1 Rae8 28.a5 Na8 29.Ng4 Nf6 30.Nf6 Bf6 31.Rc6 Bg7 32.Ba3 Rd7 33.Bc5 g5 34.Be3 g4 35.Rac1 h5 36.Rc8 1–0. Timman,J – Phillips, Islington open, 1970. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.0-0 e5 7.d3 Nh5)

8.e4 Nd7 9.Nbd2 Qe8 10.d4 Nb6 11.Rb1 a5 12.b5 Qb5 13.de5 Be6 14.Bd4 Qd7 15.Bb6 cb6 16.Rb6 de5 17.Qb1 Ra7 18.Qb2 Rc8 19.Rb1 f6 20.Bf1 Bf8 21.Bb5 Qf7 22.Ba4 Ng7 23.c4 Rc7 24.Rc1 Bc5 25.Rb3 Ra8 26.Rd3 Qe7 27.Rd1 Bg4 28.Nb1 Bd4 29.Nc3 Qc5 30.Qd2 Ne6 31.Nd5= Rf7 32.Rb1 Kg7 33.Bb5? Bf3–+ 34.Rf3 Ng5 (34...Ng5 35.Rd3 Ne4–+) 0–1. Sigurjonsson,Gudmundur – Westerinen,Heikki MJ, WchT U26 fin–B, 1969.

8.e4 Be6 9.c4 Nd7 10.Nbd2 c6 11.a3 f5 12.ef5 Bf5 13.Ne4 Qc7 14.Nh4 Be6 15.Ng5 Rae8 16.Ne6 Re6 17.Qe2 Ree8 18.Qe3 a6 19.Rac1 Nhf6 20.h3 Rf7 21.Rfe1 Rfe7 22.a4 c5 23.Ba3 b6 24.b5 a5 25.Bb2 Nb8 26.Be4 Ne4 27.de4 Nd7 28.Rcd1+= Nf8 29.Qd3 Rd8 30.Nf3 Ne6 31.Qd5 Kh8 32.Kg2 Nd4 33.Bd4 cd4 34.Ng5 Qd7 35.f4 h6 36.Nf3+= Rc8 37.Nh4 Kh7 38.f5 g5 39.f6 Bf6 40.Nf5 Re6 41.c5 Rc5 42.Qa2 d5–+ 43.Kg1 Re8 44.Rf1 Bg7 45.Qe2 de4 46.Qh5? Re6 47.h4 Rg6 48.Rd2 gh4 49.Rg2 Qe6 50.Qh4 e3 51.Qe4 Qd5 52.Qh4 Rc7 53.g4? Qe4 54.Qd8 Rg4 55.Ng3 Rc2 56.Rc2 Qc2 (57.Kh1 Rg3 58.Qg8 Kg8 59.Rf8 Kh7 60.Rh8 Kg6 61.Rh6 Kg5 62.Rh5 Kf4 63.Rh4 Kf3 64.Rf4 Ke2 65.Rf2 Kf2 66.Kh2 Qh7#) 0–1. Valenta,Vit (2180) – Stavrianakis,Ioannis (2055), Stare Mesto CZE Open, 2005.

8.e4 Qe8 9.Nc3 c6 10.d4 a5 11.ba5 Ra5 12.de5 de5 13.a4 Bf6 14.Qd6 Be6 15.Ba3 Nd7 16.Qd2 c5 17.Rfb1 Qa8 18.Bf1 Rd8 19.Qe3 Bg7 20.Bb5 Nhf6 21.Bb2 Ng4 22.Qe2 Bh6 23.Nd5 Bg7 24.Nc7 Qc8 25.Ne6 fe6 26.Ng5 Ndf6 27.Bc3 Ra8 28.Ne6 Qe6 29.Bc4 Nd5 30.Bd5 Rd5 31.ed5 Qf5 32.Rb7 Rf8 33.Rf1 Bh6 34.a5 e4 35.d6 Qd5 36.Qg4 Qb7 37.Qe6 Rf7 38.Qe5 Bg7 39.Qc5 Bc3 40.Qc3 Qd5 41.Qc8 Kg7 42.Qc3 Kg8 43.Qb4 h5 44.Re1 Qf5 45.Qd4 Qa5 46.Qe4 Kg7 47.Rd1 Qa7 48.Qd4 1–0. Cempel (2270) – Belaska (2280), Czechia, 1999.

9.c4 Nc6 10.b5 Nd4 11.Nb3 Ne6 12.e3 f4 13.g4 (13.ef4 ef4 14.Bg7 Nhg7 15.d4=) 13...Qg5 (13...Nf6 14.N1d2+=) 14.e4?? (14.h4 Qh4 15.gh5=) 14...f3 15.Bf3 Rf3 (15...Nhf4!?+=) 16.Qf3= Nef4 17.h4 Qh4 18.gh5 Qg5 19.Kh2 Bg4 (19...Bg4 20.Na3 Bf3 21.hg6 Qg2) 0–1. Lengyel,Levente – Brzozka,Stefan, Warsaw, 1961. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 e5 6.d3 0-0 7.0-0 Nh5)

9.c4 Nc6 10.b5 Ne7 11.Nc3 f4 12.Nde4 Kh8 (12...a6 13.a4=) 13.Nd5 (13.e3 a6+=) 13...Bf5 (13...Nd5 14.cd5 Nf6 15.Nf6 Qf6 16.Rc1=) 14.Ne7 Qe7 15.Nc3 (15.e3 Rab8+=) 15...Rab8= 16.Nd5 (16.Qa4 a6=) 16...Qd7 17.a4 (17.Qa4 a6=) 17...Rf7 (17...c6 18.Nc3=) 18.Ra3 (18.a5 c6 19.Nc3 a6=) 18...Bh3 19.d4 (19.a5 Bg2 20.Kg2 c6=+) 19...Bg2=+ 20.Kg2 c6 21.Nb4 e4 22.gf4 (better 22.f3!?=+) 22...Nf4–+ 23.Kh1 Rbf8 (23...d5 24.bc6 bc6 25.Bc3–+) 24.Bc1 (24.f3 d5–/+) 24...Nh3 (24...d5 25.bc6 bc6 26.cd5 Nd5 27.Nd5 cd5 28.f3–/+) 25.f3 g5 (25...d5 26.bc6 bc6 27.cd5 cd5 28.Rc3–/+) 26.Qc2 (better 26.bc6!? bc6 27.d5=+) 26...ef3–/+ 27.Raf3 (27.ef3 Bd4 28.Rd3 Be5–/+) 27...g4–+ 28.Rf7 Rf7 29.Kg2 (29.Re1 g3 (29...Bd4 30.Bb2 Bb2 31.Qb2 Kg8 32.bc6 bc6 33.Qc2–+) 30.hg3 Nf2 31.Kg1 Qh3 32.Qh7 Kh7 33.Bf4 Ng4 34.bc6 Qh2 35.Kf1 Ne3) 29...Rf1–+ 30.Kf1 Qf7 (worse 30...Bd4 31.Ke1–/+) 31.Ke1 Qf2 32.Kd2 Qd4 33.Qd3 cb5 34.ab5 h5 (34...Qf4 35.Kc2 Qh2 36.Nd5–+) 35.Qd4 (35.Nd5 Qd3 36.Kd3 Be5–+) 35...Bd4 36.Nc6 (better 36.Kd3 Bg1 37.Be3 Bh2 38.Ke4–+) 36...bc6 37.bc6 Bb6 38.Ke1 (38.Bb2 Kg8–+) 38...a5 0–1. Cuberli,Emiliano (2175) – Perez,Maximiliano (2425), Semifinal Championship Argentino Superi, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5)

9.c4 Nd7 10.a4 Ndf6 11.c5 Re8 12.cd6 cd6 13.Nc4 f4 14.Nbd2 Rb8 15.b5 Ng4 16.h3 Nh6 17.g4 f3 18.Nf3 Nf4 19.Bc1 Ng2 20.Bh6 Bh6 21.Kg2 Bg7 22.e4 Be6 23.Ne3 Rc8 24.Rc1 Rc1 25.Qc1 Bh6 26.Qe1 Rf8 27.Qb4 Qd7 28.Nd2 Be3 29.fe3 Rf1 30.Kf1 h5 31.Nc4 hg4 32.hg4 Bc4 33.Qc4 Kg7 34.g5 Qh3 35.Ke2 Qg2 36.Kd1 Qg5 37.Qc7 Kh6 38.Kd2 Qg2 39.Kc3 Qa2 40.Qd6 Qa4 41.Qf8 ½–½. Spiridonov (2450) – Kozma (2360), Polanica Zdroj, 1971.

9.c4 Nd7 10.Nc3 Ndf6 11.Nd5 f4 12.Nf6 Bf6 13.d4 ed4 14.Ne4 Bg7 15.Bd4 fg3 16.hg3 Nf6 17.Nf6 Bf6 18.Bf6 Qf6 19.c5 a5 20.cd6 Qd6 21.Qd6 cd6 22.Rfd1 ab4 23.Rd6 Ra6 24.Rd4 b3 25.Bd5 Be6 26.Be6 Re6 ½–½. Halmeenmaki,Tuomo (2175) – Loisa,Antti2 (2100), FIN–chT2, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5)

9.c4 f4 10.Nc3 Nc6 11.b5 Nd4 12.e3 Ne6 13.Nde4 Nf6 14.d4 Ne4 15.Ne4 fe3 16.fe3 Rf1 17.Kf1 Ng5 18.Nf2 ed4 19.Bd4 Qe7 20.Rc1 Ne6 21.Bd5 Kh8 22.Qd2 Qg5 23.Qc3 Nd4 24.ed4 Bd7 25.Bb7 Rf8 26.Kg2 Qf6 27.Bf3 Qd4 28.Qd4 Bd4 29.Nd3 g5 30.a4 Bf5 31.Nb4 g4 32.Bd5 Bc5 33.Na6 Bb6 34.c5 dc5 35.Nc5 (35.Rc5? Rd8 36.Bc6 Rd2 37.Kh1 Bc2–+) 35...Rd8 36.Be6?? (better is 36.Be4 Rd2 37.Kh1 Be4 38.Ne4=) 36...Rd2–+ 37.Kh1 Be6?? (better is 37...Bc2 38.Rc2 Rc2–+) 38.Ne6= Ra2 39.Nc7 Ra4 40.Ne6 Kg8 41.Rf1 ½–½. Michalek,Christoph (2185) – Fuellgrabe,Thomas, Ruhrgebiet VL2–chT, 1996. (=1.Nf3 d6 2.b4 e5 3.Bb2 Nf6 4.g3 g6 5.Bg2 Bg7 6.0-0 0-0 7.d3 Nh5)

9.a3 c5 10.c3 Be6 11.Nbd2 Rc8 12.Re1 b5 13.a4 cb4 14.ab5 bc3 15.Bc3 Nc5 16.Nb1 (worse is 16.Ra7 Nd3 17.Ba5 Qe8–/+) 16...Nf6 17.Bb4 Qb6 18.Nc3 Ng4 19.Ba5 Nf2 20.Qe2 Qb7 21.Qf2 Nd3 22.Qd2 Ne1 23.Ne1 a6 24.b6 Rc5 25.Na4 Rb5 26.Nd3 Bb3 27.Bf1 Rc8 28.Nf2 Rc2 29.Qe1 Ba4 30.Ra4 Rbb2 31.Nd3 Ra2 32.Ra2 Ra2 33.Nf2 Rc2 34.Qb1 Rc8 35.Qb3 Rb8 36.Bc4 Bh6 37.Bd5 Qd7 38.Qc4 1–0. Ferrero,Marcelo (2155) – Crespo,Ramon Jose (2470), Copa Argentina, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5)

9.a3 c5 10.c3 Be6 11.Nbd2 Qe7 12.Qe2 Rad8 13.Rfe1 Rfe8 14.Nf1 Nc7 15.Ne3 Bc8 16.Rac1 b6 17.d4 Ba6 18.Qd1 Nf6 19.Nd2 h5 20.a4 h4 21.b5 Bc8 22.d5 Nh7 23.Nf3 hg3 24.hg3 f5 25.Nh4 f4 26.Nc4 Qg5 27.Qd3 Nf6 28.a5 ba5 29.Na5 Rd7 30.Nc6 a6 31.c4 ab5 32.cb5 Na8 33.Nf3 Qh5 34.gf4 ef4 35.e5 Ng4 36.ed6 Re1 37.Re1 Bb2 38.Ne7 Kg7 39.Nc8 Qh8 40.Re6 Bf6 41.Ne7 Qh5 42.Qa3 Rd8 43.Qc5 Ne5 44.Re5 Be5 45.Nc6 Rh8 46.Qa7 Kh6 47.Nce5 Rc8 48.Nf7 Kg7 49.N7g5 Kh8 50.Qa1 Kg8 51.d7 Rd8 52.Qf6 1–0. Poley,Vladimir – Zhelnin,Vladimir V, Tula, 2000.

9.a3 f5 10.ef5 Bf5 11.d4 c6 12.de5 de5 13.Qe2 e4 14.Nd4 Bd4 15.Qc4 Qd5 16.Qd4 Qd4 17.Bd4 Nc7 18.c4 Ne6 19.Be3 Nf6 20.h3 g5 21.Nd2 Rad8 22.Nb3 b6 23.Rfd1 g4 24.h4 Kf7 25.Bf1 Nd7 26.a4 c5 27.Rd5 Kf6 28.Rad1 Ke7 29.bc5 Ndc5 30.Nc5 bc5 31.Rb1 Rd5 32.cd5 Nd4 33.Bc4 ½–½. Ottolini,Graziano (2115) – Brito Loeza,Carlos (1940), IECG, 1999.

9.a3 Qe7 10.Nbd2 Be6 11.c4 f6 12.Nh4 c5 13.Bc3 Bh6 14.Re1 Ng7 15.Nf1 Nc7 16.b5 Qd7 17.Ne3 Be3 18.Re3 Bg4 19.Qf1 g5 20.Nf3 Nce6 21.Nd2 Nd4 22.Bd4 cd4 23.Ree1 Ne6 24.f3 Bh5 25.Bh3 Qe7 26.Be6 Qe6 27.Qg2 Kh8 28.g4 Bf7 29.Reb1 Kg7 30.Nf1 Qd7 31.Ra2 Be6 32.Ng3 Kh8 33.Qd2 Kg7 34.h3 Qd8 35.Qe1 Qc8 36.Rh2 Qc5 37.Qc1 Qc8 38.h4 h6 39.Rbb2 Rh8 40.Rbg2 Qd8 41.Nh5 Kg6 42.a4 a6 43.Ng3 ab5 44.ab5 Qa5 45.Rb2 Qa3 46.Qc2 Qa5 47.Nf1 h5 48.hg5 fg5 49.gh5 Rh5 50.Rh5 Kh5 51.Qh2 Kg6 52.Rg2 Qe1 53.f4 ef4 54.Qf4 g4 55.Qd6 1–0. Lang,S (2250) – Weichert, BL2O, 1995.

9.c3 c5 10.a3 Bd7 11.Nbd2 b5 12.Bc1 Qc8 13.Re1 Bf6 14.Bb2 Bh3 15.Bh3 Qh3 16.a4 cb4 17.ab5 Nc5 18.Nc4 bc3 19.Bc3 Be7 20.d4 Ne6 21.de5 Rfc8 22.ed6 Rc4 23.de7 Rc3 24.Ra7 Re8 25.Nh4 Nf6 26.Qd2 Rb3 27.e5 Ng4 28.f3 g5 29.fg4 gh4 30.Qd7 Ng7 31.e6 f6 32.Ra2 hg3 33.Kh1 Re3 34.Qd1 Re1 35.Qe1 Re7 36.Ra8 Ne8 37.Qe2 Kf8 38.Ra6 Nc7 39.Rd6 Ne6 40.b6 Kf7 41.b7 0–1. COMP – COMP, Paris, 1997.

9.Nbd2 f4 10.d4 a5 11.de5 fg3 12.hg3 de5 13.b5 +=.

9.Nbd2 f4 10.d4 ed4 11.Bd4 Bg4 12.c3 Nc6 13.Qb3 Kh8 14.Bg7 Ng7 15.Nd4 Ne5 16.f3 Bd7 17.Nc4 Qg5 18.Ne5 de5 19.Ne2 fg3 20.hg3 Be6 21.c4 b5! 22.f4 (22.cb5 Bb3 Pinning (22...Bb3 Deflection)) 22...ef4 (22...bc4?! 23.Qc3 Qe7 24.f5=) 23.gf4 Qg4 24.Qf3 Qf3 25.Rf3 Bc4 (25...bc4?! 26.Re1+=) 26.Nc3 a5 27.Nd5 ab4 28.Nc7 Ra7 29.Nd5 b3! (worse is 29...Ra2 30.Ra2 Ba2 31.Nb4–/+; 29...Ba2?! 30.Nb4 Rfa8 31.f5+=) 30.Rf2 (30.ab3 Ra1 Pinning (30...Ra1 Deflection)) 30...Ra2 31.Rb1 Ne6 32.f5 gf5 (32...gf5 33.Rd1 Rf2 34.Kf2 fe4 35.Ke3 Bd5 36.Rd5 Nf4–+) 0–1. Prost,Frederic (2135) – Lanzani,Mario (2375), FRA–chT2S, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5)

9.Nbd2 f4 10.d4 Be6 11.de5 Nc6 12.Bc3 (12.Nb3 Nb4 13.Qe2 fg3 14.fg3 a5=) 12...Ne5 (12...Be5 13.Be5 de5 14.b5=) 13.Ne5= Be5 14.Be5 de5 15.Qe2 (15.Nf3 Qe7 16.Qd2 Bc4=) 15...Qf6 (15...Qd4 16.g4 Bg4 17.Qg4 Qd2 18.Qe6 Rf7 19.Rfd1–/+) 16.g4 (16.Qb5!? c5 17.bc5+=) 16...f3+= 17.Bf3 (17.Qf3 Qg7 18.Qe3 Bg4+=) 17...Nf4–/+ 18.Qe3 Rad8 19.a4?? (better is 19.Rad1–/+) 19…Rd2!–+ (19...Rd2 20.Kh1 Nh3–+) 0–1. Dorgarten,Armin – Schebler,Gerhard (2470), Borbecker Oster op 8th, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5)

9.Nbd2 f4 10.Ne1 a5 11.c3 ab4 12.Qb3 Rf7 13.Qb4 Bh6 +=.

9.ef5 e4 10.Nd4 c5 11.Ne6 Be6 12.Bg7 Ng7 13.fe6 Qf6 14.Nd2 cb4 15.Ne4 Qe6 16.Ng5 Qe7 17.Qg4 Nc6 18.h4 a5 19.Rae1 Qc7 20.h5 gh5 21.Qc4 Kh8 22.Ne6 Ne6 23.Re6 Rae8 24.Rh6 Re7 25.Rh5 Ne5 26.Qd4 Qc2 27.Qd6 Qe2 28.Rh7 Kh7 29.Qe7 Rf7 30.Be4 Kg7 31.Qe5 1–0. Sapi,L – Ribli,Zoltan, Hungary, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5)

9.ef5!? Rf5 10.g4 =.

10.Nbd2 Nc6 11.b5= Ne7 12.Nh4 Be6 13.c4 Qc8 14.c5 dc5 15.Re1 Qd7 16.Nc4 Qb5–/+ 17.Bd5?? Qd7 18.Bb7 Rab8–+ 19.Bg2 Nc6 ½–½. Neelotpal,D (2460) – Gopal,G (2230), 1st WinTV Open, Chennai IND, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.e4 Nh5 8.0-0 f5 9.ef5)

10.Nbd2 Nc6 11.b5 Ne7 12.Nh4 Be6 13.Ne4 Nf6 14.Ng5 Bg4 15.f3 Bd7 16.f4 ef4 (worse is 16...Bb5 17.Bb7 e4 18.Rb1+– (18.Ne4?! Rb8 19.Nf6 Bf6 20.Bf6 Rf6+/–; 18.Be4?! d5 19.Bf3 Qd6+/–)) 17.Qe1 (17.Bb7? Rb8 18.Ba6 A) worse is 18...Bb5 19.Ne6 Qe8 20.Bb5 (worse is 20.Nf8 Ba6 21.Bf6 Bf6–/+) 20...Qb5 21.Nf8=; B) 18...fg3 19.hg3 c6–/+ (19...Bb5?! 20.Ne6 Qd7 21.Nf8 Rf8 22.Bb5 Qb5 23.Rb1 Qc5 24.Kh2+=)) 17...Nh5 (worse is 17...Bb5 18.Ne6 Qd7 19.Bb7+/– (19.Nf8?! Rf8 20.gf4 d5=; 19.Ng7?! Kg7 20.Rf4 Bc6=)) 18.Bg7 Kg7 0–1. Smith,Douglas Royston (1815) – Herzog,Klaus (1775), SA–2008–0-00005, 2008.

10.Nbd2 Qd7 11.d4 Nc6 12.de5 Nb4 13.Nc4 Rad8 14.Ne3 de5 15.Qd7 Bd7 16.Ne5 Be6 17.f4 Nd5 18.Rfe1 Ne3 19.Re3 Bd5 20.Bh3 Rfe8 21.Rd3 Bf6 22.Rad1 c6 23.c4 Bf7 24.Bd7 Be5 25.fe5 Bc4 26.Be6 Be6 27.Rd8 Kf7 28.Ba3 Ng7 29.Re8 Ke8 30.Rd2 Nf5 31.Kf2 h5 32.Kf3 g5 33.Ke4 Ng7 34.Rf2 Bd5 35.Ke3 Ne6 36.Bd6 g4 37.Rf5 Ba2 38.Rh5 c5 39.Rh7 Bd5 40.Rh4 Bf3 41.h3 b5 42.Rh7 Bd5 43.h4 b4 44.h5 Nd4 45.h6 Nf5 46.Kf4 Be6 47.Rh8 Kd7 48.h7 1–0. Smyslov,Vassily – Matulovic,M, Oberhausen, 1961. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5 9.ef5 Bf5)

10.Nbd2 Nd7 11.a4 Bg4 12.Qe1 c6 13.h3 Be6 14.b5 (14.Qe3 Qb6 15.Ne4 d5+=) 14...Nc5 15.bc6 bc6 16.Ba3 e4 (16...Bd5 17.Bc5 dc5 18.Rb1+=) 17.Bc5 Ba1 (17...dc5 18.Ne4 Ba1 19.Qa1+=) 18.Bd6+= Qd6 (worse is 18...Rf3 A) worse is 19.Bf3 Bc3–/+ (19...Qd6? 20.Ne4 Qf8 21.Ng5 Bh3 22.Bc6+–); B) 19.Ne4 Rf7 20.Qa1+/–) 19.Ne4 Qa3 20.Qa1 Qa1 21.Ra1 Bh3 22.Bh3 Rf3 23.Rb1 Rff8 24.Rb7 Nf6 25.Ng5 c5 26.a5+/– a6 27.Rc7 Rfe8 28.Kg2 Re1 29.Be6 Kh8 30.Rf7 h6 31.Rf6 hg5 32.Rg6 Re2 33.Bb3+/– Re5 34.Bc4+– Re2 35.c3 g4 36.Rg4 Rf8 37.Rg5 Ref2 38.Kh3 R2f5 39.Rg4 Rf1= 40.Ba6 Rh1 41.Kg2 Ra1 42.Rg5 Ra5 43.Bb7 Rg8 44.Rh5 Kg7 45.Kf3 Rf8 46.Ke3 Rh8 47.Rg5 Kf6+= 48.Kf4 Rf8 49.Be4 Ke6 50.Kg4 Rf1 51.c4 Rf8 52.d4 Rd8 53.Rc5 Rc5= 54.dc5 Rd4 55.Kf4 Rc4 56.c6 Kf6 57.g4 Rc5 58.Ke3 ½–½. Pietrobono,Alfredo Manuel (2245) – Leal,Domingo Daniel (2320), Magistral, 2007.

10.Nbd2 Nd7 11.d4= e4 12.Nh4 Nhf6 13.c4 c6 14.Nf5 gf5 15.Bh3 f4 16.gf4 d5 17.c5 Qc7+= 18.f5 Qf4–/+ 19.Bc1 Qh4 20.Qb3 Nh5 21.Re1? Nf4 22.Bf1 Bd4 23.Qg3 Qg3 24.hg3 Ba1 25.gf4 Bc3 26.Re3 Bb4 27.Nb3 Bc5 28.Rg3 Kf7 29.Rh3 Rg8 30.Kh1 Bf2 31.Rh7 Rg7 (31...Rg7 32.Rg7 Kg7–+) 0–1. Panjwani,R (2150) – Khairullin,I (2455), WYb14, Halkidiki GRE, 2003.

10.Nfd2 Qc8 11.Nc3 Bh3 (11...Nc6 12.Nd5 Qd7 13.Ne4+=) 12.Nd5 Rf7 13.Ne4 (13.Bh3 Qh3 14.Ne4 Qd7+=) 13...Bg2+= 14.Kg2 Nc6 15.c4 (15.c3 Ne7 16.Ne7 Re7 17.Qb3 Qe6 18.Qe6 Re6+=) 15...Ne7 16.Ng5 (16.Ne3 Nf5=) 16...Nd5= 17.cd5 Re7 18.Ne6 (18.Ne4 Rf7=) 18...Nf6=+ 19.Ng7 (19.Qb3 c6 20.Ng7 Nd5=+) 19...Kg7 20.f4 Qg8 21.fe5 (21.Qf3 Qd5 22.Rae1 Qf3 (worse 22...Qa2 23.fe5 Qb2 24.Rf2 Qf2 25.Kf2 de5 26.Qb7+=) 23.Rf3 Nd7=+) 21...Qd5 22.Qf3 de5 23.Rae1 (23.a4 Rd8=+) 23...Rae8 (23...Rd8 24.h3=+) 24.Qd5 Nd5 25.Re4 Nf6 26.Re2 Nd7 (26...a6 27.h3=+) 27.Rc1 (27.b5 g5=) 27...c6=+ 28.Rf1 (28.Rce1 Kf7=+) 28...Kg8 (28...g5 29.a3=+) 29.Re4 (29.Rfe1 Re6=+) 29...Rf7 (29...Re6 30.Rfe1=+) 30.Rfe1 Ref8 31.R1e2 Rf3 (31...Rd8 32.R2e3=) 32.Rd2 R3f5 (32...R8f5 33.h3=+) 33.Rde2 Rd8 34.Be5 Ne5 35.Re5 Re5 36.Re5 Kf7 (36...Rd3 37.Re7=) 37.Ra5 (37.Re3 Rd5=) 37...a6=+ 38.Ra3 Ke6 (38...Rd5 39.Rc3=+) 39.Kf3 Rd4 (39...Rd5 40.Rc3=+) 40.Rb3 b5 (40...Rd5 41.Rc3=+) 41.a3 (41.Ke3 Ke5=) 41...a5 (41...Rd5 42.Rc3 Kd6 43.Ke4=) 42.Ke3= Kd5 (42...Rd7 43.ba5 Ra7 44.Kd4=) 43.Rb2 ab4 44.ab4 (worse 44.Rb4 Rb4 45.ab4 h5–/+) 44...h5 (44...Rg4 45.Kd2=) 45.Rb1 (45.h3 Ke5=) 45...Rg4 46.Rb2 h4 (46...Rg5 47.Rc2 Re5 48.Kd2=) 47.Kf3 (47.gh4 Rh4 48.Rg2 Rb4 49.Rg5 Ke6 50.Rg6 Kd7 51.Rg7 Kd6 52.Rg6 Kc7=) 47...Rd4 48.Ke3 (48.gh4 Rd3 49.Kg4 Rd1=) 48...h3 (48...hg3 49.hg3 Rg4 50.Kf2=+) 49.Rb1 Rg4 50.Rb2 (50.Kf3 Rg5=) 50...Rg5 51.Rc2 Kd6 52.Kf4 (52.Rb2 Re5 53.Kf4 Rd5=) 52...Rd5 53.Ke3 Re5 54.Kd2 Rf5 55.Ke2 (55.Ke3 g5=) 55...Rf8 (55...g5 56.Ke3=) 56.Ra2 (56.Rc5 Ra8=) 56...Kd5 57.Ra6 (57.Ra7 c5 58.bc5 Kc5=) 57...Rf6=+ 58.Ra3 (58.Ra7 Kd4 59.Rh7 Kc3 60.Rh3 Kb4=) 58...Kd4 59.Rb3 g5 60.Ra3 g4 61.Rb3 Rf7 (61...Rf5 62.Rb1=+) 62.Ra3 Rf8 (62...Re7 63.Kd2=+) 63.Ra6 (63.Ra1 Rf6 64.Ra3 Re6 65.Kd2 Re3=+) 63...Rf6 64.Ra3 Rf8 (64...Rf3 65.Rb3=+) 65.Ra6 Re8 66.Kd2 Re3 Exerts pressure on the isolated pawn 67.Ra3 Rf3 68.Ke2 c5 69.bc5 b4 70.Rb3 (better 70.Ra6!?=+) 70...Kc5–/+ 71.Rb1 Kb5 72.Rd1?? (better 72.Rb2–/+) 72...b3–+ 73.d4 (73.Rc1–+) 73...Kc6 (73...Kc4!? 74.d5–+) 74.Rd2?? (74.d5 Kd6 75.Rd2–+) 74...Kd5–+ 75.Rd3?? (75.Rd1 Rf8 76.Ke3–+) 75...Ke4 76.Rd1 (76.Rd2 Re3 77.Kf2 Rd3–+) 76...Re3 77.Kf2 (77.Kf1 Rc3 78.Rb1 Kd3–+) 77...Rd3 (77...Rd3 78.Rb1 Rd2 79.Ke1 Rh2 80.Rb3 Ra2–+) 0–1. Stefansson,Vignir Vatnar (2350) – Tukhaev,Adam (2540), Stockholm Chess Challenge, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5 9.ef5 Bf5)

10.d4 =.

10.Nh4 Bc8= 11.c4 (11.d4!?=) 11...Nf4=+ 12.gf4 (12.Nc3!?=+) 12...Qh4–/+ 13.fe5 Bh3 (13...Nc6 14.d4 Bh3 15.Bh3 Qh3 16.b5–/+) 14.Bh3 (better 14.Bd5 Kh8 15.Bb7=+) 14...Qh3–/+ 15.Qe2? (15.d4!? Nc6 16.b5–/+) 15...Nc6–+ 16.d4 (16.f4 Nb4 17.Nc3 Nd3–+) 16...Nd4! 17.Bd4 (17.Bd4 Be5 Double attack (17...Be5 Decoy)) 17...Rf4 18.f3 Rd4 19.Nd2 Be5 20.Ne4 Re4! 21.fe4 (21.Qe4 Qh2; 21.fe4 Bd4 Double attack (21...Ba1 Discovered attack)) 21...Bd4 (21...Ba1 22.Ra1 Rf8 23.Rc1–+) 22.Kh1 Ba1 23.Ra1 Rf8 24.c5 (24.Rg1 Qc3–+) 24...Qc3 25.Rd1 (25.Rb1 Re8–+) 25...dc5 26.bc5 Qf3 (better 26...Qc5 27.Kg2 Qg5 28.Kh1 Qe7–+) 27.Qf3=+ Rf3 28.Rd8 (28.Kg2 Rf7–/+) 28...Rf8 29.Rd7 (29.Rd3 c6–/+) 29...Rf7 30.Rd8 Kg7 31.Ra8 Kf6 (31...a6!?–/+) 32.Ra7=+ c6 (32...Ke5 33.Rb7 Ke4 34.Kg2=+) 33.Ra4 (33.a4 Ke5 34.a5 Rf1 35.Kg2 Ra1=) 33...Ke5 (33...Ke6 34.Kg2=+) 34.Kg2 g5 (34...Rd7 35.Rb4=+) 35.Rb4 (35.h4 g4=+) 35...h5 (35...Kf4 36.h4=+) 36.a4 Rf4 Exerts pressure on the isolated pawn (36...Kf4 37.h3=+) 37.Rb7= Ke4 38.a5 Rf5 (38...Kd4!?=) 39.a6+– Rc5?? (better 39...Rf8+–) 40.Rb4+– Kd5 (40...Kd3 41.Ra4 Re5 42.a7+–) 41.Ra4 Rc2 42.Kg1 (42.Kf1 Rc1 (42...Rh2?? 43.a7+–) 43.Ke2 Rc2 44.Kd3 Rf2+– (44...Rh2 45.Ra5 Kd6 46.a7 Rh3 47.Ke2 Rh2 48.Kf1 Rh1 49.Kg2+–)) 42...Rc1 43.Kf2 Rc2 44.Ke1 (44.Ke1 Rc1 45.Ke2 Rc2 46.Kd3+–) 1–0. Birkisson,Bardur Orn (2160) – Hardarson,Jon Trausti (2145), TCh–ISL Div, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3 Nh5 8.e4 f5 9.ef5 Bf5)

8.Nc3 a5 9.a3 (9.b5 Be6=) 9...ab4 (9...Be6 10.Qd2=) 10.ab4 Ra1 11.Qa1 Bg4 (11...Re8 12.b5=) 12.h3 (12.Qa7 Qc8=) 12...Be6 13.Qa8 b6 (13...Qc8 14.Ra1=) 14.Ra1 (14.Qb7 Qc8 15.Qc8 Rc8=) 14...Nbd7 (14...Qd7 15.Kh2=) 15.Qb7 (15.Qd8 Rd8 16.Nb5 Ne8+=) 15...d5 (15...c5 16.bc5 Nc5 17.Qc6=) 16.Ra7 (16.Nd1 Ne8=) 16...c5 17.Nb5 e4 18.Ne5 Ne5 19.Be5 Qc8 20.Bd6 Qb7+= 21.Rb7 Rc8 22.Rb6 cb4+= 23.Nc7 ed3 24.cd3+= b3 25.Rb3+/– d4 26.Ne6 fe6 27.Rb7 Rc2 28.Rb8 Kf7+/– 29.Rb7 Kg8 30.Bf3 g5 31.Re7 h5 32.Re6 g4 33.hg4 hg4 34.Be4 Ne4 35.Re4 Kf7 36.Kf1 Rc6 37.Be5 1–0. gbsrao (2315) – gtan (2290), net–chess.com, 2008.

8.c4 c6 9.Nc3 Be6 10.b5 Nbd7 11.Nd2 d5 12.Rb1 Qc7 13.Qb3 Rfd8 14.cd5 cd5 15.Rfc1 (15.Nd5? Nd5 16.Rfc1 Nc5–+; 15.Bd5? Nc5 (< 15...Nd5 16.Nd5 Qd6 17.e4–/+) 16.Be6 Nb3 17.Bb3 Rac8–+) 15...Qb6 (15...Qa5 16.Qa3 Qa3 17.Ba3=+) 16.Na4 Qd6 17.Ba3 Qb8 18.Nc5 Nc5 19.Bc5 Rd7 20.Rc2 Qd8 21.Rbc1 Bf8 22.Qb4 b6? 23.Bf8+– Qf8 24.Qf8 Kf8+= 25.Nf3 e4 26.Ne5 Rdd8 27.Rc7 Rac8 28.Kf1 Rc7 29.Rc7 Rc8 30.Rc6 Ng4 31.Ng4+/– Bg4 32.Rc8 Bc8 33.de4 de4 34.Be4 Ke7 35.Ke1 Kd6 36.Bc6 Be6 37.a3 Kc5 38.Kd2 g5 39.Kc3 Bc4 40.e4 Bb5 41.Bd5 Bc6 ½–½. Nicolodi,R (1980) – Buglisi,M (1885), Arco ITA, 2011.

8.c4 c6 9.Nbd2 Be6 10.Nb3 Nfd7 (10...Nbd7 11.a4=) 11.Nfd2 f5 12.a4 White prepares the advance b5 12...Qc7 (12...d5 13.b5=) 13.Qc2 (13.b5 a6=) 13...Na6 (13...Nf6 14.b5=) 14.Bc3 d5 15.b5 dc4 16.ba6 (16.Nc4!? Nab8 17.Ba5+=) 16...cb3= 17.Nb3 b6 18.Bb4 (18.a5 b5=) 18...Rfc8=+ 19.Rac1 (19.a5 Nb8=+) 19...Nb8 20.Qb1 (20.Bc3 Na6 21.f4 Qf7=+) 20...Qd7 21.Nd2 (21.Bc3 Na6 22.f4 Qf7=+) 21...Na6–/+ 22.Nc4 (22.Ba3 Bd5–/+) 22...Nb4–+ 23.Qb4 c5 (23...Rab8 24.Rfd1–+) 24.Qb5–/+ Rab8 25.Rb1 (25.f4 ef4 26.Rf4 Bd4 27.Kf1 Rc7–+) 25...Qc7 (25...Qb5 26.ab5 e4 27.Rb3–+) 26.Ne3 (26.a5 ba5 27.Qa6 Bc4 28.Qc4 Kh7 29.Rb8 Rb8–/+) 26...Rd8 27.Rfc1 Kh7 28.Qa6 (28.Nc4 Qc8–/+) 28...Qc8–+ 29.Qc8 Rdc8 (29...Rbc8 30.h4–+) 30.Nc4 Bd7 (30...Rd8 31.a5 b5 32.Ne5 Be5 33.Rc5–+) 31.a5 (31.Nd6 Rd8 32.a5 ba5 33.Rb8 Rb8–/+) 31...b5–+ 32.Nd6 Rc7 33.Bd5 Bf8 (33...b4 34.Kf1–+) 34.Nc4 Re8 35.Ne3 f4 (35...Bg7 36.Bf7 Rf8 37.Bb3–+) 36.Ng2 (36.Nd1 Rb8–+) 36...Bd6 37.Nh4 Re7 (37...Rd8 38.Bf7 g5 39.Bg6 Kg8 40.Nf5–+) 38.a6 (38.Nf3 a6–+) 38...Kg7 (38...b4 39.Nf3–+) 39.Be4 (39.Nf3 b4–+) 39...Be8 40.Bd5 (40.Nf3 c4 41.Rc3 cd3 42.Rd3 Bc5–+) 40...b4 (40...Bc6 41.Bc6 Rc6 42.Rb5 Ra6 43.Kg2–+) 41.Nf3 (41.Kf1 Bb5 42.Be4 Re6–+) 41...Bb5 42.Ra1 (42.Bb7 e4! 43.de4 Be2–+) 42...Bc6 43.Bc6 Rc6 44.Nd2 Re6 45.Ra5 (45.Ne4 Be7–+) 45...Be7 46.Raa1 (46.Rca1 fg3 47.hg3 h5–+) 46...Kf7 (46...Ra6 47.Kg2–+) 47.f3 (47.Nc4 Bf6 48.Na5 Ra6 49.Rc5 e4–+) 47...c4 (better 47...Ra6!? 48.Kf2–+) 48.Nc4 Bc5 (48...Kf6!? 49.Kf1 Ra6 50.e3–+) 49.Kf1–/+ Bd4 0–1. Meyling,Andrey (2055) – Alimova,Olga (2170), Ulyanovsk RUS, Privolje, 2010.

8.Nbd2 Be6 9.c4 Qd7 10.Re1 Bh3 11.Bh1 Ng4 12.Qb3 Qf5 13.c5 Nc6 14.Rac1 Nd4 (14...a6!?=) 15.Bd4+/- ed4 16.cd6 cd6 17.Bg2 Bg2 18.Kg2 h5 (18...a5 19.h3 Nf6 20.Nd4 Qd5 21.N2f3 ab4 22.Rc4+/-) 19.h3 Nf2 (19...Nf6 20.Rc4+/-) 20.Kf2+- Qh3 21.Rh1 Qf5 22.Ne4 d5 23.Ned2 Rfe8 24.Rc2 Re6 25.Nf1 Bf6 26.Qb2 Rae8 27.Qc1 h4 (27...Kg7!?+/-) 28.gh4+- Qg4 29.Rh2 Kh7 30.h5 (30.Qa3!? a6+-) 30...gh5+/- 31.Ng3 h4 32.Qg1 Rg8 33.Nf1 Qf4 34.Rg2 Rge8 (better 34...Rg2!? 35.Qg2 Rc6 36.Rc6 bc6+-) 35.Qh2+- Qf5 36.Ng3 Qf4 37.Nf1 Qf5 38.Ng3 Qf4 39.Nh5?? (39.Qh3 Re5+-) 39...Qe3?? (better 39...Re2! 40.Re2 Re2 41.Ke2 Qe3 42.Kd1 Qf3 43.Kc2 Qh5=) 40.Kf1+- Be7 (40...Qh6 41.Nf6 Qf6 42.Rg4+-) 41.Qf4 (41.Ng7 Bd6 42.Qh3 Rg6 43.Ne8 Qe8+-) 41...Qf4 42.Nf4 Rh6 43.Nh3 (better 43.Nd5 Bd6 44.Rg4 h3 45.Ng5 Kg7 46.Nh3 Kf8+-) 43...f6?? (better 43...Bb4 44.Rg5 Bc3+-) 44.Rc7 Kh8 45.Nd4 1-0. Buyukasik,D (2265) - Tepe,Efe Can (2150), TCh-TUR 2nd League, 2019. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

8.Nbd2 Nh7 9.Qc1 f5 10.Re1 Nd7 11.Nh4 g5 12.Nhf3 Nhf6 13.a3 Nb6 14.a4 Be6 15.a5 Nbd7 16.c4 f4 17.Qc2 Re8 18.Rf1 Nf8 19.Nb3 Ng6 20.c5 g4 21.Nfd2 d5 22.e4 f3 23.Bh1 d4 24.Nc4 h5 25.Na3 h4 26.Bc1 hg3 27.fg3 Qe7 28.Nb5 a6 29.Na3 Qf7 30.Nc4 Nh5 31.Rb1 Bf6 32.Ncd2 Rac8 33.Rf2 c6 34.Nf1 Nh4 35.gh4 Bh4 36.Rd2 (36.Rd2 Bb3 37.Qb3 f2 38.Rf2 Bf2 39.Kg2–+) 1–0. linakip – stanislawtym, kurnik, 2012.

8.Nfd2 c6 9.a4 (9.c4 Be6=) 9...Be6 10.c4 Qc8 (10...Re8 11.b5=) 11.c5 (11.b5 Qc7=) 11...dc5=+ 12.bc5 Nbd7 (12...Qc7 13.f4 Nd5 14.Qc1=+) 13.Qc2= Qc7 14.Rc1 (14.Nf3 Rad8=) 14...Rfd8 15.Nb3 Rac8 (15...Bf8 16.N1d2=) 16.N1d2 Nb8 (16...Bd5 17.e4 Be6 18.d4=) 17.Rab1 (17.d4 Na6=) 17...Na6 18.Nc4 (18.Ba1 Ra8=) 18...Nd5 (18...Nd7 19.Ba3=) 19.Ba3 (19.Ba1 Rb8=) 19...b6 (19...e4 20.d4 (20.de4?? Ndb4–+) 20...f5 21.Nd6=) 20.Qd2 (20.Nd6 Rb8=) 20...Qd7 (20...Rb8!?=) 21.cb6 ab6 (better is 21...Nb6!? 22.Nd6 Rc7+/–) 22.e4+– Ndc7 (better is 22...Rb8 23.ed5 cd5+–) 23.Nb6 Qd3 24.Nc8 Qd2 25.Ne7 Kh7 26.Nd2 (26.Nd2 Rd2 27.Nc6+–) 1–0. Spiridonov,Nikola – Bouaziz,Nejib, Orebro Stud olm prelim5, SWE, 1966.

8.Nfd2 Qe7 9.c4 =.

9.Qc2 c6 10.Nbd2 Nbd7 11.d4 e4 12.Ne4 Ne4 13.Qe4 Bc4 14.Qc2 Nb6 15.a4 a5 16.Rfe1 Be6 (worse is 16...ab4 17.a5+/–) 17.ba5 Nc4 18.Bc3 Na5 19.Rab1 Qd7 20.e4 Nc4 21.Bb4 Rfc8 22.Nd2 Nd2 23.Bd2 Kh7 24.Bc3 d5 25.Rb6 c5 26.Qb2 Rc7 27.ed5+= Bd5 28.Bd5 Qd5 29.dc5 Bc3 30.Qc3 Ra4 31.Re8 Qd1 32.Kg2= Qd5 33.f3 Qd4 34.Qd4 Rd4 35.Rb5 Rd5 36.Rb8 Rdc5 37.Rc5 Rc5 38.Rb7 ½–½. Majul Martinez,Isolina (2085) – Garcia,Eduardo, Cartagena op, 2000. (=1.Nf3 Nf6 2.d3 d6 3.b4 g6 4.Bb2 Bg7 5.g3 0-0 6.Bg2 e5 7.0-0)

9.Nc3 Qd7 10.Re1 Nc6 11.b5 Ne7 12.Rc1 (12.d4 ed4 13.Nd4 c5 14.Ne6 fe6=) 12...b6 (12...a6!?=) 13.d4+= ed4 14.Nd4 Rad8 15.Ne6 (15.Nc6 Rde8+/-) 15...fe6+= 16.Qd3 Ng4 17.Rf1 (17.f4!?+=) 17...Ne5= 18.Qe4 d5 19.cd5 ed5 20.Qb4 Nc4?? (better 20...Qe6=) 21.Nd5 (better 21.Bd5 Nd5 22.Qc4+/-) 21...Nb2? (better 21...Nd5 22.Qc4 Bb2+-) 22.Ne7+- (22.Qe7?! Rf7 23.Qe4 Qb5 24.Ne7 Re7 25.Qe7 Re8 26.Qc7 Qe2 27.Qa7 b5+-) 22...Kh7 23.Be4 Rf6 (23...Qd2 24.Qd2 Rd2 25.Bg6 Kh8 26.Rc7+-) 24.Rc6 (better 24.Ng6 Qd4 25.Nf4 Kh8 26.Qe7 Rf4 27.gf4+-) 24...Rc6 25.bc6 Qd4 (25...Qd6 26.Bg6 Kh8 27.Qd6 Rd6 28.Be4+-) 26.Bg6 Kh8 27.Qd4 Bd4 28.Kg2 Bc5 29.Nf5 Rd2 30.e3 (30.Re1 Nd1 31.f4 Nc3+-) 30...Nc4 31.Kg1 (31.Kh3 Ne5 32.Be8 Nd3+-) 31...Ra2 (31...Ne5 32.Be8 Kh7+-) 32.Rc1 (better 32.Bf7!? Rc2 33.Bc4 (33.Nh6?! Ne3 34.Re1 Kg7+=) 33...Rc4 34.Rd1+-) 32...Ne5+/- 33.Be8 (33.Bh5 Rd2+/-) 33...a5 (33...Rd2+=) 34.Nh6 (34.Rd1 Bf8+-) 34...a4 (better 34...Be3!? 35.Nf7 Nf7 36.fe3 Ne5=) 35.Nf7+/- Nf7 36.Bf7 Rb2 (36...Rd2 37.Bc4+/-) 37.Rd1 Kg7 (better 37...a3+/-) 38.Rd7+- a3 (38...Kf6 39.Rc7 b5 40.Be8+-) 39.Rc7 Kf6 40.Ra7 (better 40.Rd7!? Rc2 41.Bb3 Rc1 42.Kg2 Bb4+-) 40...Rc2 41.c7 (41.Bb3 Rc3+-) 41...Be7? (better 41...Bd6+/-) 42.Bb3+- Rc3 43.g4 (43.Rb7!? b5 44.g4 Bd6 45.Rb5 Rc1 46.Kg2 Rc7 47.g5 Kg7+-) 43...Bd6 44.h4 b5? (better 44...Rc7 45.Rc7 Bc7+-) 45.g5 Kg6 (45...Kf5 46.g6! Kg6 47.Ra6 Rc7 48.Rd6 Kg7 49.Rb6+-) 46.Bd5 (46.Ra6 Kh5 47.Rd6 Kh4 48.Rd4 Kg5+-) 46...Kh5?? (46...Bc7 47.f4 Kf5+-) 47.Bf7 (better 47.c8Q Rc8 48.Rh7 Kg4 49.Be6 Kf3 50.Bc8+-) 47...Kh4 48.g6 Be5 (48...Rc5 49.g7 Rg5 50.Kf1 Bc7+-) 49.Kg2 Kg5 50.f4 Bf4 (50...Kh6 51.fe5 Rc2 52.Kf3+-) 51.ef4 (51.g7 Kf5 52.g8Q Ke4 53.Qa8 Ke3 54.Ra3 Ra3 55.Qa3 Kd4 56.Qb4 Kd3 57.Kf3 Kc2 58.c8Q Bc7 59.Qc7 Kd3 60.Qbd6) 51...Kf4 (51...Kf6+-) 52.g7 Rg3 53.Kf2 Rg7 54.c8Q a2 (54...Rg1 55.Qb8 Ke4 56.Re7 Kd3 57.Qd6 Kc2 58.Re2 Kc1 59.Qa3 Kd1 60.Bb3) 55.Qc7 Ke4 56.Ra2 (56.Qc6 Kf4 57.Qf6 Ke4 58.Re7 Kd3 59.Re3 Kc2 60.Qc3 Kb1 61.Re1) 56...Rf7 57.Qf7 Kd3 (57...Kd4 58.Rd2 Kc3 59.Qd5 Kb4 60.Qd4 Ka3 61.Qc3 Ka4 62.Ra2) 58.Qf3 (58.Qd5 Kc3 59.Ra3 Kc2 60.Qd3 Kc1 61.Qc3 Kd1 62.Ra1) 58...Kc4 (58...Kd4 59.Rc2 Ke5 60.Rc6 Kd4 61.Qf4 Kd5 62.Rd6 Kc5 63.Qd4) 59.Rb2 (59.Rb2 Kc5 60.Rc2 Kd6 61.Qc6 Ke7 62.Rd2 Kf8 63.Rd7 b4 64.Qc8; 59.Rc2 Kd4 60.Qc6 Kd3 61.Kf3 b4 62.Qe4) 1-0. Krysa,L (2530) - Agasiyev,Ka (2440), Titled Tue, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d3)

9.Nc3 Qd7 10.Re1 Bh3 11.Bh1 Nc6 12.b5 Ne7 13.a4 Ng4 14.Nd2 f5 (better is 14...c6!?=) 15.Bb7+/– f4? (15...Rab8 16.Bf3+/–) 16.Nde4 (better is 16.Ba8 Ra8 17.Nde4+–) 16...Rab8+= 17.Bd5 Kh8 18.Qd2 h5 19.f3 Ne3+= 20.gf4 ef4 21.Nf2 c6 22.Be4 d5 23.bc6 Qc6 24.cd5 Qf6 25.Nh3 Qh4 26.Kh1 Qh3 27.Rg1 N7f5 28.Bf5 Nf5 29.Nb5 Bb2 30.Qb2 Kh7 31.Qe5 Rbe8 32.Qc7 Re7 33.Qf4 Re2 34.Nc3 Nh4 35.Qg3 Rh2? 36.Qh2+– Qf3 37.Rg2 Rf4 38.Ne4 Kh6 39.Qg3 Ng2 40.Qf3 Rf3 41.Kg2 Rd3 42.d6 g5 43.Kf2 g4 44.Ke2 Rd4 45.Ke3 Rd5 46.Rf1 Kg7 47.Rf6 g3 48.Rf3 h4 49.Rf4 Rh5 50.Kd4 Rh8 51.d7 h3 52.Ng3 h2 53.Ke4 (53.Ke4 Rd8 54.Rf2+–) 1–0. Benidze,D (2505) – Isik,E (2180), Troya Open, Canakkale TUR, 2010.

9.Nbd2 Qc8 10.Qc2 Nc6 11.b5 Ne7 12.Rfc1 b6 (12...a6 13.d4 ed4 14.Nd4=) 13.d4+= Nd7 14.de5 de5 15.Bc3 (15.Ne1 Rb8+=) 15...c5 16.a4 a5 17.Qb2 Qc7 18.Ne1 Rad8 19.Nd3 Nf5 20.Re1 Rfe8 21.Rac1 f6 22.Bd5 Nf8 23.e4 Nd4 24.Bd4 ed4 25.Nf4 Kh7 26.Bc6 Bd7 27.Nd5 Qb8 28.Qb3 Re6 29.Bd7 Nd7 30.f4 Rde8 31.Qb1 Nf8 32.Rf1 Rd6 33.Rce1 Qb7 34.Qd3 Rd7 35.h4 Kh8 36.Qf3 Rd6 37.Kg2 g5? 38.e5 fe5+/– (38...fe5 39.hg5 Rg6+–). Sigurjonsson – Belkadi, Lugano, 1968.

9.Nbd2 Qd7 10.c5 Bh3 11.cd6 cd6 12.a4 Re8 13.b5 Bg2 14.Kg2 Qe6 15.Rc1 Nbd7 16.Nc4 Nb6 17.e4 Nc4 18.Rc4 Rac8 19.Qe2 Rc4 20.dc4 Rc8 21.Nd2 h5 22.Qe3 b6 23.h3 Kh7 24.f4 Bh6 25.Qc3 ef4? 26.Qf6+– Qf6 27.Bf6 fg3 28.Bc3 Kg8 29.Rc1 h4 30.Rc2 Re8 31.Bf6 g5 32.Kf3 Kh7 33.Nf1 Kg6 34.Bd4 f5 35.ef5 Kf5 36.Ne3 Kg6 37.a5! Bg7 38.Bg7 Kg7 39.ab6 ab6 40.Nd5 Rf8 41.Kg2 Kg6 42.Nb6 Kh5 43.Nd5 g4 44.b6 gh3 45.Kh3 Rf1 46.Kg2 Rb1 47.Rd2 Kg5 48.Nc3 Rb6 49.Nb5 Rc6 50.Nd6 Kf6 51.Rd4 Ra6 52.Kh3 Ke5 53.Nb5 Rg6 54.Rd2 Rc6? 55.Rc2 Ke4 56.Rc3 Rg6+= 57.Rc2 Kd3 58.Na3+/– Ra6 59.Ra2 Ke4 60.Kg4 Rg6 61.Kh3 Ra6 62.Kg4 Rf6 63.Re2 Kd3 64.Rg2 Rf2 65.Kh3 Kd4 66.Rf2 gf2 67.Kg2 Ke3 68.Nc2 Ke2 69.Nd4 Kd3 70.Kf2 ½–½. Davis,Edward – Buchanan,Walter F, SCO–ch St Andrews, 1983.

8.Qd4?? Ne8 9.Qd3 Bb2 –+.

8.Bd4 Qe7 9.Nc3 Nc6 10.b5 Nd4 11.Nd4 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qe5 15.Rd1 Ng4 16.Bd5 (16.Qc1!?=) 16...Ne3!–/+ 17.Bf7?? (17.fe3 Qe3 Double attack) 17...Rf7–+ 18.Rd3 Ng4 19.Qa8 Rf8 20.Nf3 (20.Qa2 Kh8 21.Nd1 Qh5–+) 20...Qc5 21.Qa2 Kh8 22.Ne4 Qb5 23.Nfg5 Nf2! 24.Nf2 Qg5 25.Qb1 Qc5 26.Rf3 Re8 27.e4 Re4 28.Rf7 Bh3 29.Rc7 Qe3 30.Rc8 Bc8 31.Kg2 Bd4 32.Qf1 Qe2 33.Kg1 Bh3! 34.Qh3 Qf2 35.Kh1 Qg1# 0–1. Ozwald043 – Crafty1714, computer chess game, 2000.

8.Bd4?! Re8 =.

8.Nfd2 d5 9.c4 c6 10.Nc3 h5 (10...Qe7 11.b5=) 11.e3 Qe7 12.Qb3 White prepares the advance b5 12...Be6 13.a4 White prepares b5 (13.cd5 Nd5 14.Nce4 Nb4=) 13...Nbd7 (13...dc4 14.Qc2=) 14.Ba3 Rfe8 15.b5 Qd8 16.bc6 bc6 17.Bd6 (17.Qb7 Qa5 18.Rfc1 Rac8+=) 17...h4 (17...dc4 A) 18.Nc4? Nb6 19.d5 Nfd5 (19...cd5?! 20.Nb6 Qb6 21.Qa3-/+; 19...Bd5?! 20.Nd5 Nfd5 21.Bc5-+) 20.Ne4 Ba1 21.Ra1 Nc4 22.Qc4 f5-+; B) 18.Qb2=) 18.a5 hg3 19.hg3 Ng4 (19...dc4 20.Nc4 Bd5 21.Bf4+=) 20.Qb7+= Rc8 (better 20...Qg5!?+=) 21.Qa7+- Qg5 22.Bh3 (22.Rfe1 Qf6 23.Re2 Nh6+/-) 22...Qh5 23.Bg4 Bg4 24.Qd7?? (24.cd5 cd5 25.Rfc1=) 24...Bd7-+ 25.a6 Bg4 26.Rfb1 (26.c5 Bf3 27.Nf3 ef3 28.Ra2 Qh3 29.Nd5 Qg2) 26...Bf3 27.Nf3 ef3 28.g4 (28.Bb4 Qh3 29.Nd5 Qg2) 28…Qh3 (28...Qh3 29.Nd5 Qg2) 0-1. Hopsa (2010) - Red_Allert (1680), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5 7.d4)

8.Nfd2 d5 9.c4 c6 10.h3 Be6 11.cd5 cd5 12.e3 a6 13.Nc3 Nc6 14.a3 b5 (14...Qd6 15.Kh2=) 15.Rc1 Rc8 16.Ne2 (16.f3 ef3 17.Qf3 Re8=) 16...Qd7 17.Nb3 (17.Nf4!?=) 17...Bh3–/+ 18.Nc5 Qf5 19.Bh3 Qh3 20.Nf4 Qf5 21.Na6 g5 22.Ng2 (22.Nh5 g4 23.Nf6 Bf6=) 22...h5 Black prepares the advance g4 (22...Qh3 23.f3–/+) 23.Nc5 (23.Kh2+=) 23...g4 (better is 23...Qh3 24.f3 Qg3–/+) 24.Nh4 Qh7 25.a4 Bh6 (25...ba4!? 26.Qa4 Ne7=) 26.ab5+= Nb4? (better is 26...Ne7+=) 27.Ba3+– Nd3 (27...Rc5 28.dc5 (28.Bb4?! Rb5 29.Bf8 Bf8+/–) 28...Nd3 29.c6+–) 28.Nd3 ed3 29.Bf8 Rf8 30.b6 Nd7 (30...Bg5 31.b7 Bh4 32.Qb3 Bg3 33.fg3+–) 31.Rb1 (31.Qb3 Rb8+–) 31...Rb8 (31...Qe4 32.Qa4 Qe6 33.b7+–) 32.b7 f6 (32...Bg5 33.Qc1 Rd8 34.Rd1+–) 33.Qb3 Qf7 (33...Qe4 34.Rfc1 Rf8 35.Rd1+–) 34.Nf5 Bg5 35.Nd6 (better is 35.Qd3 Nf8 36.Qb5 Nd7+–) 35...Qe7 (35...Qe6 36.Nc8 d2+–) 36.Qd5 Kg7 (36...Kh7+–) 37.Nf5 (37.Nf5 Kf8 38.Ne7 Ke7 39.Rfc1+–) 1–0. Tony_Farrell – stampyshortlegs, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.0-0 e5)

8.Nfd2 e3 9.fe3 Bh6 10.d5 Be3 11.Kh1 Ng4 12.Qe1 (12.h3 Qg5=) 12...Nd7 (12...Qg5 13.h3=) 13.Nf3 (13.Nc4 Qg5=) 13...Bb6 (13...Nb6 14.h3 Nf6 15.Nc3=+) 14.Qc3= Nde5 15.Ne5 (15.h3!? Nf2 16.Kh2+=) 15...de5=+ (15...Ne5?! 16.Nd2+=) 16.Nd2 (16.Qf3 Ne3 17.Rc1 Bg4–+ (17...Ng2?! 18.Kg2 Qg5 19.h4=+)) 16...Bd4–/+ 17.Qb3 Bb2 (17...Ne3!?–/+) 18.Qb2=+ Ne3 19.Qe5 Nf1 (19...Re8 20.Qf4 Bf5 21.Rf2=+) 20.Rf1= f6 (20...Re8 21.Qf4 Qe7 22.e4=) 21.Qd4 (21.Qf4 Qe7=) 21...Qe7 22.e4 (22.Qc4 Kh8=) 22...Bd7 (22...a5 23.b5=) 23.Nb3= b6 (23...Rae8 24.Nc5 Bc8 25.Nd3=) 24.Qc4=+ Qd6 25.Nd4 White prepares b5 25...a5 (25...a6 26.a3=+) 26.b5 Qc5 27.Qd3 Rae8 28.c4 (28.a3 Re5=+) 28...Qb4 (28...Qd6 29.a3=+) 29.Rb1 (29.a3 Qd6=+) 29...Qd6=+ 30.Rf1 Re7 31.h4 (31.Qc2 Qe5 32.Qc3 f5 33.ef5 Rf5=+) 31...Qe5 32.Kh2 f5 (32...Rfe8 33.Qc3=+) 33.Rf4 (33.ef5 Bf5 34.Qd2 Qd6=+) 33...fe4–/+ 34.Re4 Qd6 35.a4 (35.Re7 Qe7 36.Bf3 Qb4–/+) 35...Bf5 (35...Rf2 36.Re7 Qe7 37.Nc6–/+) 36.Nf5=+ Rf5 37.Bh3 (37.Re7!? Qe7 38.Qd4=+) 37...Rf2 38.Kg1 (38.Bg2!?–+) 38...Re4 39.Kf2 Qc5 40.Kf3 (40.Kg2 Qc4 41.Be6 Kg7–+) 40...Rc4 41.Be6 Kg7 42.Qd2 (42.Qe2 Qd4–+ (42...Ra4?! 43.Qe5 Kh6 44.Qg5 Kg7 45.Qe5 Kh6 46.Qg5 Kg7 47.Qe5=)) 42...Qd4 (42...Rc3!? 43.Ke4–+) 43.Qg5 (43.Qd4 Rd4 44.Ke3 Ra4 45.Bd7–+) 43...Qf6 (43...Qf6 44.Qf6 Kf6–+; 43...Qe4 44.Kf2 Rc2 45.Qd2 Rd2 46.Kf1 Qb1) 0–1. Merkesvik,Sondre (2215) – Guttulsrud,O (2255), TCh–NOR Elite, 2015. (=1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 d6 5.0-0 0-0 6.b4 e5 7.Bb2 e4)

7.0-0 b6 8.Nbd2 Bb7 9.c4 Qc7 10.Qc2 Nbd7 11.Bc3 c5 12.a3 Rac8 13.Qb2 h6 14.Ra2 e5 15.e4 Nh5 16.Nh4 Kh7 17.f4 f5 18.ef5 gf5 19.Ndf3 (19.Bb7 Qb7 20.fe5 Be5 21.Rf5 Ng7 22.Rf8 Bc3 23.Qc3 Rf8+/–) 19...Rce8 20.Qa1 (20.fe5!? de5 21.Qe2+=) 20...e4 21.de4 Be4 22.b5 Bd3 23.Bg7 Ng7 24.Rc1 Re6 25.Rd2 Be4 26.Rcd1 Nf6 27.Ne1 Rfe8 28.Nd3 R8e7 29.Ne1 Bg2 30.Neg2 Nfe8 31.Qb1 Re2? (31...Re4 32.Rd5+=) 32.Qc2 (32.Nf5!? Nf5 33.Qf5 Kh8+–) 32...Rd2 33.Qd2 Ne6? (better is 33...Re4+/–) 34.Qd3 Nd4 35.Ne3 Qd7 36.Nd5 (better is 36.Nef5 Nf5 37.Nf5+– (37.Qf5?! Qf5 38.Nf5 Re4+–)) 36...Re2 37.Nc3 (37.g4 Qe6 38.gf5 Qe4+/–) 37...Re7 38.Kf1 Qe6? (better is 38...Nf6!?=) 39.Nd5+/– Rf7 40.Re1 Qd7 41.Ng2 Kg7 42.Nge3 Nf6 43.Nf6 Rf6 44.Nd5 Re6 45.Re3 Kf7 46.Qd1 Re3 47.Qh5 Kg7 48.Ne3 Qe6 49.Kf2 Qe4 50.Qd1 Kf6 51.Qh5 ½–½. Auger,Bertrand (1930) – Dion,Jean Francois (1925), Quebec Montcalm op 4th, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 c6)

7.0-0 Qb6 8.a3 c5 9.Nbd2 Nc6 10.Nc4 Qc7 11.bc5 Rb8 (11...dc5!? 12.Nfe5 Na5+=) 12.cd6+/- (12.cd6 ed6 13.Nd4+/-) 1-0. marekt (2460) - Haroldlee123 (1790), ChessWorld.net, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3)

7.0-0 Bg4 8.Nbd2 Nbd7 9.a3 e5 10.c4 Rb8 11.Qb3 a5 12.Rfe1 ab4 13.ab4 c5 14.b5 Ra8 15.Bc3 Qc7 16.Qb2 b6?? (16...Nb6 17.h3 Bf3 18.Nf3+=) 17.Ra3?? (better is 17.Ra8 Ra8 18.Ne5 de5 19.Ba8+–) 17...Ra3+= 18.Qa3 Re8 19.Ra1 e4 (better is 19...d5!?=) 20.de4+/– Ne4? (better is 20...Ne5+/–) 21.Ne4+– Re4 22.Bg7 Kg7+/– 23.Qc3 Nf6 24.Re1 Qe7 25.Qd3 Bf3 26.Bf3 Rd4 27.Qc3 Ne4?? 28.e3 Nc3–+ 29.ed4 Qe1 30.Kg2 0–1. giorgo – fagus54, kurnik, 2012.

7.c4 Qb6 8.Qb3 a5 (8...Na6 9.a3=) 9.ba5 (9.b5 a4 10.Qb4 Bd7=) 9...Qa5 10.Nc3 (10.Bc3 Qf5=) 10...Nbd7+= 11.0-0 e5 (11...Nc5 12.Qc2+=) 12.Qc2 (12.a3 Nc5 13.Qb4 Re8=) 12...Qc7 (12...Nc5 13.Nd2=) 13.a4 (13.Rfb1 Re8=) 13...Nc5 14.Ba3 (14.Nd2 Bf5=) 14...Ne6+= 15.e3 Ne8 16.Nd2 f5 17.f4 (17.Rab1 Nf6=) 17...Rf7 (17...ef4 18.gf4 Qb6 19.Rae1+=) 18.Ra2 (18.fe5 de5 19.c5 f4=) 18...Nf6 (18...ef4 19.gf4 Qb6 20.Nd1=) 19.Nf3 (19.Bb2 ef4 20.gf4 Re7+=) 19...Ng4 (19...ef4 20.gf4 Re7 21.Re1+=) 20.Nd1 (20.Re1 Qa5 21.Bb2 ef4 22.gf4 Qa7–/+) 20...ef4 (20...e4 21.de4 fe4 22.Nd2+=) 21.gf4 Bd7 22.h3= Nf6 23.Nc3 Re8 24.Ne2 Nc5 25.Bc1 Rfe7 26.Nfd4 Re3 27.Be3= Re3 28.Rf3 Re8 29.Kf2 Nh5 30.Nb3 Ne6 31.d4 Qd8 32.a5 Qh4–/+ 33.Kg1 Nef4 34.Nf4 Nf4 35.Bf1 Ne6–+ 36.Qh2? Nd4 (36...Nd4 37.Rf4 Qg5 38.Rg2 Qh6 39.Nd4 Bd4 40.Rd4 Qe3 41.Kh1 Qd4–+) 0–1. Davey,S – Yudovich,M, 5.corr ol, 1968. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 c6)

7.c4 Nbd7 8.0-0 Qc7 9.Nbd2 Re8 10.a4 e5 11.b5 Nc5 12.d4 ed4 13.Nd4 Bd7 14.N4b3 Nb3 15.Nb3 Rad8 16.Re1 Be6 17.Rc1 d5 18.c5 Bd7 19.Nd4 Re7 20.Qb3 Rde8 21.b6 Qb8 22.a5 a6 23.e3 Ne4 24.Rc2 Qc8 25.f3 Ng5 26.Rce2 Ne6 27.Ne6 Be6 28.Qc2 Bf5 29.e4 de4 30.fe4 Bb2 31.ef5?? (better is 31.Qb2 Bh3 32.Bh3 Qh3 33.e5=) 31...Bd4 (31...Re2 32.Re2 Re2 33.Qe2 Bd4 34.Kf1 Qf5 35.Bf3 Qc5 36.Qe8 Kg7 37.Qd7–+) 32.Kh1? (better is 32.Kf1!? Re2 33.Re2 Re2 34.Ke2 Qe8 35.Kd1–/+) 32...Re2–+ 33.Re2 Re2 34.Qd3?? (34.Qe2 Qf5 35.Bf3–+) 34...Re1 35.Bf1 Qf5 (35...Qf5 36.Qf5 gf5–+) 0–1. Richter,Wolfgang (2460) – Kleinhenz,Andreas, Hermannen op, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 d6 5.Bg2 0-0 6.d3 c6)

7.Nbd2 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.Qb1 Qb6 12.c3 Nd5 13.Qc2? Nab4!–+ 14.cb4 Nb4 15.Qb3 Be6 16.Nc4 Bc4 17.Qc4 Bb2 18.0-0 Bg7 19.Rb1 c5 20.Nd2 e6 21.Nb3 Rc8 22.Qh4 Qa6 23.Qe7? Qa2 24.Nd2 Qd2 25.Bb7 Rf8 26.Qd6 Qc2 27.Re1 Qc3 28.Rb1 Be5 29.Qe7 Bf6 30.Qc7 Qe5 (30...Qe5 31.Qe5 Be5–+) 0–1. Helmer (2225) – Emodi (2335), Odorheiu Secuiesc, 1993.

7.Nbd2 Bd7 8.0-0 Na6 9.a3 Nc7 10.c4 e5 11.Qc2 Rc8 12.Rfb1 Re8 13.a4 Qe7 14.e4 Ne6 15.a5 a6 16.Nf1 Rc7 17.Ne3 Bc8 18.Qb3 Nd7 19.Ba3 Nf4 20.gf4 ef4 21.Nf1 Ba1 22.Ra1 Ne5 23.Bb2 Nf3 24.Bf3 Qg5 25.Kh1 Qh4 26.Qc3 Re5 27.Kg2 Bh3 28.Kh1 Qf2 29.d4 Rh5 30.Nd2 Bg4 31.Bg2 Qh4 32.h3 f3 33.Nf3 Bf3 34.Qf3 f5 35.Rf1 Rf7 36.d5 Rg5 37.e5 de5 38.Be5 Re7 39.Bd6 Re1 40.dc6 Rf1 41.Qf1 bc6 42.Bc6 Qd4 43.Bd5 Kg7 44.Bh2 h6 45.Qf3 Qa1 46.Qf1 Qd4 0–1. grajaro (1830) – davichess, kurnik, 2012.

7.Nbd2 Nbd7 8.0-0 Qc7 9.c4 Re8 10.Qc2 c5 11.b5 Nh5 12.Bg7 Ng7 13.a4 a5 14.Ne4 b6 15.Qd2 Bb7 16.Nc3 e6 17.e4 Rad8 18.Qh6 Nf8 19.Rae1 f6 20.h4 Qf7 21.Nh2 Ba8 ½–½. Aguettaz,M (2345) – Blodstein,B (2245), FSIMC August, Budapest HUN, 2005.

7.Nbd2 e5 8.0-0 Qb6 9.Rb1 Be6 10.c4 Nbd7 11.Qc2 Qc7 12.a4 a6 13.a5 Rac8 14.c5 d5 15.Nb3 Bg4 16.e4 d4 17.Nfd2 Nh5 18.Nc4 Be6 19.Nbd2 f5 20.Nd6 Rcd8 21.Bh3 Kh8 22.N2c4 Bc4 23.Qc4 Ndf6 24.ef5 g5 25.Rbe1 g4 26.Bg2 Rd6 27.cd6 Qd6 28.Be4 Ne4 29.de4 Nf6 30.f3 Rd8 31.Ba3 d3 32.Rd1 Qd4 33.Qd4 Rd4 34.Kf2 gf3 35.Kf3 Ne4 36.g4 Nc3 37.Bb2 Nd1 38.Bd4 ed4 39.Rd1 Kg8 40.g5 Kf7 41.f6 1–0. grajaro (1925) – vadernostrada, kurnik, 2012.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.c3 Nd5 12.Qa4 Bd7 13.e4 Nb6 14.Qb3 Be6 15.Qa3 Qc7 16.Ng5 Bd7 17.Nd2 h6 18.Ngf3 Ra8 19.d4 c5 20.bc5= dc5 21.Qa5 Nb8 22.Qc5 Qc5 23.dc5 Na4 24.c4 Nc5 25.Bg7 Kg7 26.Nd4 Ra2 27.N2b3 Nd3 28.Nc1 Nc1+= 29.Rc1 e5 30.Nc2 Na6 31.Ne3 Nc5 32.Nd5 Nd3 33.Rf1 Bc6 34.Ne3 Re2 35.Bf3 Rd2 36.Bg2+= Nc5 37.f3 Re2 38.Nd5 Rc2 39.Ne3 Rc3 40.Re1 Bd7 41.Bf1 Nb3 42.Kf2 Nd4 43.Be2 Bc6 44.Rd1= f6 45.Rd2 Kf7 46.h4 f5 47.ef5 gf5 48.f4 Nb3 49.Rc2 Rc2= 50.Nc2 ½–½. Sanfrutos Lopez,Francisco Javier – Castano,D (2145), VII Alameda de Osuna, Madrid ESP, 2001.

8.a3 Nbd7 =.

7.0-0 d5 =.

7.Nc3 a5 8.b5 a4 9.a3 Nc5 10.0-0 Bd7 11.e4 Ra5 12.e5 de5 13.Ne5 Bb5 14.Nb5 Rb5 15.Bc3 c6 16.Re1 Nfd7 17.d4 Ne5 18.de5 Ne6 19.Qe2 Qc7 20.Rab1 Rb1 21.Rb1 Rd8 22.Qe1 Nd4?? 23.Bd4?? Rd4–/+ 24.f4 e6 25.Qe3 (25.Qe3 Rc4 26.Rb4 Rb4 27.ab4–/+). gbsrao (2320) – bazzje (2435), net–chess.com, 2011.

7.Nc3 c6 8.0-0 e5 9.e4. gbsrao – croach, net–chess.com, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d3 Nbd7)

7.e4 c6 8.0-0 =.

7.e4 e5 8.0-0= a5 9.a3 ab4 =. gbsrao (2650) – ostefrec (2390), net–chess.com, 2009.

8.0-0 a5 9.a3 Nb6 10.c4 Bd7 11.b5 a4 12.Rc1 c5 13.bc6 Bc6 14.c5 dc5 15.Rc5 Nfd7 16.Rc2 Qe7 17.Qa1 Rfe8 18.Rfc1 Nd5 19.e4 Nc7 20.d4 ed4 21.Nd4 Bd4 22.Bd4 Nb5 23.Bb2 Ne5 24.Nc4 Nc4 25.Rc4 Nd6 26.Rb4 Rec8 27.Rc5 Ne8 28.Qc1 Bd7 29.Rbc4 Rc5 30.Rc5 Bc6 31.Qc3 f6 32.e5 Bg2 33.Kg2 b6 34.Rc6 Rd8 35.Rb6 fe5 36.Rb4 Rd4 37.Rd4 ed4 38.Qd4 Qb7 39.Kg1 Kf7 40.Qh8 Qe4 41.Qh7 Ke6 42.Qh3 Kd6 43.Qf1 Nc7 44.Qd1 Nd5 45.h4 Ke6 46.Bd4 Kf5 47.Qa4 1–0. Stein – Rodriguez, Havana 1968.

8.c4 Re8 9.Qc2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 b6 13.Nh4 Nf8 14.0-0 Nh5 15.c5 dc5 16.bc5 Ne6 17.cb6 cb6 18.Nhf3 Nd4 19.Nd4 ed4 20.Rc1 Bf5 (20...Bg4 21.h3 Bd7 22.Ne4+=) 21.Nf3 (21.Bf3 Nf6+=) 21...Re7 (21...Qd6 22.Qb2+=) 22.Qd2 Qd6 23.Kf1 (23.Qa2 Bf6+=) 23...Ra7= 24.Bb2 Bf6 25.Rc4 Be6 26.Qb4 Qd7 27.Rc1 Ng7 (27...b5 A) 28.Bd4? doesn't work because of 28...Ra4 29.Qc3 Bd4 (29...Rd4?! 30.Nd4 Bd4 31.Qa5=) 30.Nd4 Qd4 (30...Rd4?! 31.Bc6 Qd6 32.Bb5–/+) 31.Qd4 Rd4–+; B) 28.Qc5 Ra2 29.Bd4+/–) 28.Ra1 (28.Nd2 Nf5 29.Qb6 Nd6+/–) 28...Nf5 (28...Ra1 29.Ba1 Nf5 30.Qb6+/–) 29.Ra7+/– Qa7 30.g4 Ne7 31.Nd4 Qa2 32.Bf3 Qb1 33.Kg2 Nd5? (33...h5!? 34.gh5 Nf5 35.Nf5 Qb2 36.Ne7 Kg7 37.Qb2 Bb2 38.hg6 fg6+=) 34.Bd5 (34.Qd6!? Ne3 35.fe3 Qb2 36.Ne6 fe6+–) 34...Bd5+/– 35.e4 (better is 35.f3 h6 36.Qb6+/–) 35...Be6?? (better is 35...Bc4 36.Qc4 Qb2+/–) 36.Qb6+– Qd3 (36...h5 37.Qb8 Kh7 38.Ne6 Qb2+–) 37.Qb8 Kg7 38.Ne6 fe6 39.Qb7 (39.Qb7 Kf8 40.Bf6+–) 1–0. Poley,Vladimir (2370) – Borvander,Tom, Gothenburg op, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 Nbd7)

8.c4 Ne8 9.a3 (9.Bc3 f5=) 9...f5 (9...e4!? 10.Bg7 ef3 11.Bf8 fg2–/+) 10.Qc2 Nef6 11.d4 (11.c5 a5+=) 11...e4 12.Ng5 Qe7 13.f3 h6 (13...c5 14.bc5 dc5 15.d5 (worse 15.fe4 Ng4 16.ef5 Qg5–+) 15...Nd5 16.cd5 Qg5 17.Bg7 Kg7 18.fe4+=) 14.Nh3= ef3 15.Nf3 Ne4 (15...Ng4 16.Bc1=) 16.0-0 (better 16.Nf4!? Qe8 17.Nh4+–) 16...Ndf6 17.Nf2?? (better 17.Nf4 Qe8 18.Rad1=) 17...Nf2–/+ 18.Rf2 Ne4 (better 18...Ng4–/+) 19.Rff1= Bf6 20.d5 Qg7 (20...a5 21.Qc1=) 21.Bf6 Qf6 22.Nh4 (22.Rad1 Bd7=) 22...Ng5 (22...Qd4!? 23.e3 Qe3 24.Kh1 g5=) 23.c5 (23.Rad1 a5+=) 23...Bd7 24.c6 bc6 25.dc6 Be8 (25...Be6 26.Rad1 a5 27.e4+=) 26.Qc4 (26.Rad1 Qe7+=) 26...Bf7= 27.Qd3 Kg7 (27...Rae8 28.Nf3=) 28.Nf3+= Ne4 29.Nd4 Bd5 (29...Qe5!?+=) 30.Nf5!+– gf5 31.Qd5 Rae8 32.g4! f4 (32...fg4 33.Rf6 Pinning (33.Rf6 Deflection)) 1–0. JUANKARODA (1775) – n2048m (1710), lichess.org, 2020.

7.a3 Nfd7 8.Nbd2 (8.c3 c6=) 8...Nc6 (8...e4 9.Bg7 ef3 10.Bf8 fg2 11.Rg1 Nf8 12.Rg2–/+) 9.c4 (9.c3 Nf6=) 9...Nd4 (better 9...e4!? 10.Bg7 ef3 11.Bf8 fg2–/+) 10.Nd4= ed4 11.Nf3 c5 12.bc5 (12.0-0 Re8=) 12...dc5= (worse 12...Nc5 13.Bd4 Qa5 14.Kf1+–) 13.Rb1 Ne5 (13...Re8 14.0-0=) 14.0-0 (14.Ne5 Be5 15.0-0 Re8=) 14...Nf3= 15.Bf3 Rb8 16.a4 (16.Qa4 a6=) 16...Bh3 (16...Re8 17.Re1=) 17.Re1 Qf6 18.Ba3 b6 19.a5 Qe6 20.a6 (better 20.ab6 ab6 21.e3=) 20...f5?? (better 20...Bg4=) 21.Bd5+– Qd5 22.cd5 f4 23.Qd2 1–0. JUANKARODA (1710) – koorosh24 (1740), lichess.org, 2020.

7.Nc3 d5 8.Ne5 Qd6 9.d4 =.

7.Nbd2 Be6 8.c4 Nbd7 9.0-0 c6 10.a4 a5 11.b5 cb5 12.ab5 Rb8 (12...Nc5 13.Ng5+=) 13.Qa4 (13.Ng5 Bf5+–) 13...b6 14.e3 (14.Qc2 Nc5+=) 14...Nc5= 15.Qa3 Re8 16.Rfe1 Qc8 (16...Bf5 17.e4 Bd7 18.Qc3=) 17.d4+= Nb7 (17...e4 18.Ng5 Nd3 19.Nge4 Ne4 20.Ne4 (worse 20.Be4 Ne1 21.Re1 Qc7=; 20.Qd3?! Nd2 21.Qd2 Qc4+=) 20...Bc4 21.Nd6+–) 18.de5 Ng4 (better 18...Nd7!?+=) 19.ed6+– Bb2 20.Qb2 Nd6 21.Rac1 (21.h3 Nh6 22.Qf6 Nhf5+–) 21...Nb7 (21...Qc5 22.h3 Nh6 23.Qf6+–) 22.Nd4 (22.h3 Nf2 23.Kf2 Nc5+–) 22...Nc5+– 23.Qc2 (23.Qc3 Qc7+–) 23...Ne5 24.Nc6 (24.f4 Ned3 25.Ne4 Ne1 26.Nf6 Kg7+–) 24...Nc6 (24...Bf5 25.Qc3 Ned3 26.Nb8 Qb8 27.Bc6+=) 25.Bc6 Rd8 (25...Bd7 26.Bd5 Qc7+–) 26.Red1 (26.Ne4 Nd3+–) 26...Bg4 (26...Nd3!? 27.Ne4 Nc1 28.Rc1 Qc7+=) 27.f3+– Bh3 28.Ne4 Ne4 29.Qe4 Bf5 (29...Rd1!? 30.Rd1 Qf5+–) 30.Qe7+– White intends c5 30...Be6 (30...Rd1 31.Rd1 Be6 32.c5 bc5 33.Qc5+–) 31.Rd4 Rd4 32.ed4 Qd8? (better 32...Qf8 33.Qf8 Kf8+–) 33.Qd8 Rd8 34.c5 Rb8 0–1. jsdhl1 – Vulvolkoculot (2045), ChessWorld.net, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5)

7.Nbd2 Qe7 8.0-0 Nbd7 9.c4 Ne8 10.Qc2 f5 11.c5 Ndf6 12.e4 Nh5 13.ef5 gf5 (worse is 13...Rf5 14.g4 Rf3 15.Bf3+/– (worse is 15.Nf3 Bg4 16.Qc4 Be6=)) 14.Rae1 Bf6 15.Nc4 Qg7 16.Nfd2 f4 17.d4 ed4 18.Qd3 a5 19.Na5 dc5 20.Nb7 (20.Qc4 Kh8 21.Qc5 Qh6 22.Bd4 Nd6+–) 20...Rb8? (better is 20...cb4 21.Nd8 Rb8+=) 21.Nc5+– Rb4 22.Ba3 Rb8 23.Ne6 Be6 24.Bf8 Qf8 25.Re6 Rb2 26.Ne4 Bg7 27.Ng5 Nef6 28.Qd4. Bernard,Christophe (2270) – Chevaldonnet,Francois (2275), Bordeaux, 1982.

7.Nbd2 h6 8.0-0 Be6 9.e4 Qd7 10.c4 Bh3 11.Qe2 Nc6 12.a3 Nh5 13.Bh3 Qh3 14.Kh1 Rae8 15.Nb3 Qd7 16.Ng1 Kh7 17.f3 f5 18.Qg2 Qf7 19.b5 Nd8 20.Ne2 ½–½. Dunnington,Angus J (2345) – Antonsen,Mikkel (2310), Naestved Unibank, 1991.

7.e4 Nbd7 8.Nbd2 Nh5 9.0-0 f5 (9...Nb6 10.c3=) 10.d4 (10.ef5 Qe8+/–) 10...f4 (10...a5 11.ef5 ab4 12.fg6 hg6 13.de5 Ne5 14.Ne5 Be5 15.Be5 de5 16.Qe2+=) 11.de5 (11.g4 Nhf6 12.g5 Ne8+=) 11...de5 (11...Ne5!? 12.Ne5 Be5 13.Be5 de5=) 12.Nc4+= Qe7 13.a3 c6 (13...Qe6 14.Qd3+=) 14.Qd6+= Qd6 15.Nd6 h6 (15...Rd8!?+/–) 16.Rad1+– Rd8 17.Nc8 Rac8 18.Rd6 Nb6 19.Rg6 Kf7 20.Nh4 Nc4+/– 21.Bc1 Nd2 22.Re1 Rd4?? 23.Bd2?? Rd2+= 24.Bh3 Re8 25.c3 Rc2 26.Rd1 Re7 27.Rd3 Nf6 28.Bf5 Re2 29.Kf1 Ra2 30.c4 Ng8? 31.Rgd6+– Nf6 32.Ng6 Re8 33.Kg2 h5 34.Rd8 Rd8+/– 35.Rd8 Ra3? 36.Ne5 Ke7 37.Rb8 Ne4 38.Rb7 Kf6 39.Be4 Ke5 40.Bc6 Bf6 41.Rd7 Kf5 42.Rd5 Ke6 43.Rh5 Bd4 44.Bd5 Kf6 45.gf4 Ra2 46.Rh6 Kg7 47.Rc6 Bf2 48.Kf3 Bd4 49.h4 Rh2 50.Kg4 Bf6 51.Rc7 Kh6 52.Ra7 Rh4 53.Kf5 Bc3 54.b5 Bd2 55.Ra6 Kg7 56.Ra7 Kh6 57.b6 Bf4 58.b7 Bc7 59.Ra6 Kg7 60.Rc6 Bh2 61.Rc8 Rf4 62.Ke6 Rf6 63.Kd7 Rb6 64.c5 Rb5 65.Ke6 Rb1 66.c6 Re1 67.Kd7 Rd1 68.Ke7 Re1 69.Be6 Rc1 70.Rg8 Kh7 71.Rc8 Bf4?? 72.Kf6+– Bg3 73.Bf5 (73.Bf5 Kh6 74.Rh8#) 1–0. Boysan,Ferit – Szmetan,Jorge (2400), Internet Section, 2004.

7.e4 Ne8 8.Nbd2 (8.0-0 f5=) 8...f5 (8...a5 9.b5=) 9.Qe2 (9.ef5 Rf5 10.0-0 a5=) 9...a5 10.b5 a4 (10...fe4 11.Ne4 d5 12.Nc3=) 11.Rb1 (11.ef5 Rf5 12.0-0 a3=) 11...c6 12.bc6 Nc6 13.d4 (better is 13.a3!?=) 13...fe4–/+ (13...Nd4?! 14.Nd4 ed4 15.Qc4 d5 16.Qd5 Qd5 17.ed5=) 14.Ne4 d5 (worse is 14...Nd4 15.Nd4 ed4 16.Bd4=) 15.Ned2 ed4 16.0-0 Bf5 17.Ne1 (17.Ba3 Rf7–/+) 17...Nf6 18.Ba3 (18.a3 Qd7–/+) 18...Rf7–+ 19.Nd3 Qa5 20.Nf3 (20.Rb2 Bg4 21.f3 Re8–/+) 20...Ne4 21.Qe1 Nc3 22.Ng5 Nb1 23.Qb1 Bd3 24.cd3–/+ Rf5 25.h4? h6 26.Ne6 Rf7 27.Nf4 Rd8 28.Ng6–/+ Qc3 29.Bb2 Qb4 30.Qc1 Qb5 31.Rd1 Nb4 32.Nf4? Na2–+ 33.Qd2 Nc3 34.Re1 Qb3 35.Ba1 a3 36.Kh2 a2 37.Ne6 Re8 38.Nd4+= Bd4 39.Re8+= Kg7 40.Qe1 Bf6 41.Qe6+/– Qa4 42.d4 Qd7+= 43.Qe1 Ne4 44.Ra8 Re7 45.Qe3 b5 46.Ra2 Re8 47.Qf3 Kh8 48.Qh5 Bg7 49.Bh3 Qd8 50.Bf5 Nd6 51.Bd3+– Ne4 52.f3 Nf6+/– 53.Qg6 Qe7 54.Ra6 Rf8 55.Bc3 Kg8? 56.Bd2 Qf7 57.Qf7 Kf7 58.Bb5 Rb8 59.Ra7 Kg8 60.Ra5 Bf8 61.Bf4 Bb4 62.Bb8 Ba5 63.g4 Kf7 64.g5 Ng8 65.f4 Ne7 66.Bd7 Bc3 67.Be5 Ng6 68.gh6 Ne5 69.de5 Kg6 70.Kg3 Kh6 71.Kg4 d4 72.Bb5 Kg6 73.f5 Kf7 74.Bc4 Kf8 75.Kf4 Kg7 76.f6 Kg6 77.Bd3 Kf7 78.Kf5 Bb4 79.e6 Kf8 80.h5 (80.h5 Ke8 81.h6 Kd8 82.h7 Be1 83.h8Q Kc7 84.e7 Kb7 85.Qh1 Kb6 86.e8Q Bc3 87.Qhc6 Ka5 88.Qc5#) 1–0. Wilhelmi,Christian (2355) – Socko,Bartosz (2445), Hamburg, 1996.

8.0-0 Qb6 9.a3= Be6 (9...a5 10.Na4 Qc7 11.c4=) 10.e4 (10.Ng5 a5=) 10...Nbd7 (10...a5 11.Na4 Qc7 12.Nc3+=) 11.Qe2 (11.Bc1 d5=) 11...Rac8 (11...a5 12.Na4 Qa6 13.Nc3+=) 12.Rfd1 (12.Ng5 d5=) 12...Rfd8 (12...c5 13.b5=) 13.Na4 (13.d4 Bg4 14.Na4 Qb5 15.Qb5 cb5+=) 13...Qc7 (13...Qa6 14.Nc3+=) 14.d4 (14.Ng5 Rf8=) 14...Bg4 (14...ed4 15.Nd4 (worse is 15.Rd4 b5 16.Nc3 d5–/+) 15...b5 16.Nc3=) 15.h3 Be6 (15...Bf3 16.Bf3 b5 17.de5 de5 18.Nc3=) 16.de5+= de5 17.Nc5 (17.Ng5!?+=) 17...Nc5= 18.bc5 Nd7+= 19.Rd6 Nc5–/+ 20.Rd8 Rd8 21.Rd1 Rd1–+ 22.Qd1 Ne4 23.Qd3 f5 24.Nd2? Nd2 25.Qd2 Qd7 26.Qd7 Bd7 27.Kf1 b6 28.Ke2 Kf7 29.Ke3 Ke6 30.f4?? c5 31.fe5 Be5 32.Be5 Ke5 33.Bf3 Ba4 34.c3 Bb3 35.h4 h6 36.Bc6 g5 37.hg5 hg5 38.Bd7 f4 39.gf4 gf4 40.Kf3 Bd5 41.Kf2 Ke4 42.Bb5 f3 43.c4 Bb7 44.a4 Kd4 45.Kf1 a6 46.Be8 Kc4 47.a5 b5 (47...b5 48.Kf2 Kb4–+) 0–1. gbsrao (2200) – michelleke (2280), net–chess.com, 2008.

8.0-0 Be6 9.e4 (9.Ng5 Bd7=) 9...h6 (9...Qb6 10.a3+=) 10.Qe2 (10.d4 ed4 11.Nd4 Bc4=) 10...Nbd7 (10...g5 11.h3=) 11.Rad1 (11.a4 Qe7=) 11...c5 (11...b5 12.a3+=) 12.bc5= dc5 13.Nb5 (13.Rb1 Qe7=) 13...Qb6+= 14.c4 Ne8 (14...a6 15.Nc3+=) 15.a4 (15.Rb1 a6 16.Nc3 Qd6=) 15...Nd6 16.Bc3 (16.a5 Qc6 17.Nd6 Qd6+=) 16...a6 (16...Nb5 17.ab5 a6 18.ba6 Ra6 19.Rb1=) 17.Nd6 (17.a5 Qc6 18.Nd6 Qd6=) 17...Qd6+= 18.Rb1 b6 19.a5 ba5 20.Ba5 Rab8 21.Qa2 Kh7 22.Rb8 Rb8+= 23.Rd1 Bg4 24.Bc3 Rb6 25.h3 Be6 26.Ba5 Rb7 27.Bf1 Nb8 28.Rb1 Rb1 29.Qb1 Nc6 30.Qb6 Bc8 31.Be2 Bf8 32.Nd2 Nd4 33.Bf1+= Qb6 34.Bb6 Bd7 35.f4 ef4 36.gf4 Bd6 37.e5= Be7 38.Bg2 Bf5 39.Ne4 Nb3 40.Nd6 Bd3 41.Nf7 Bc4 42.Nd6 Bg8 43.Nc8 Bf8 44.Bb7 a5 45.Na7 a4 46.Nb5 c4 47.Nc3 a3 48.Bd5?? Bd5 49.Nd5 a2 0–1. gbsrao (2220) – michelleke (2280), net–chess.com, 2008.

8.0-0 Qe7 9.a3 +=.

8.a3 ab4 9.ab4 Ra1 10.Qa1 Nc6 11.b5 Ne7 12.0-0 c5 13.Qa7 Ned5 14.c4 Nb4 15.Bc3 Nc2 16.e3 Bf5 17.Qa4 Bd3 18.Rc1 Nb4 19.Bb4 cb4 20.Qb4 Ne4 21.Ne4+= Be4 22.Rd1 Qa8 23.Qd6 b6 24.Ne1 Bg2 25.Ng2 Qa4 26.Qd5 Rc8 27.Rc1 Rc5 28.Qd8 Bf8 29.Qb6 Rc4 30.Rc4+– Qc4 31.Qc6 Qb3 32.Ne1?? Bb4?? 33.Nf3+– e4 34.Qe4 Ba5 35.Qc6 h5 36.h4 Kg7 37.Kg2 Qb4 38.Nd4 Bd8 39.Qd5 Bb6 40.Qe5 Kg8 41.Qb8 Kg7 42.Qb6 1–0. wictorio (1910) – kid39 (1720), kurnik, 2012.

8.a3 Nc6 9.b5= Nb8 10.a4 Nbd7 11.0-0 Re8 12.e4 Nc5 13.h3 c6 14.bc6 (14.Re1 cb5 15.ab5 Qb6=) 14...bc6+= 15.Nc4 Qc7 16.Bc3 (16.Ba3 A) 16...Na4?? 17.Bd6 (17.Nd6?! Rd8+=) 17...Qd8 18.Ra4+–; B) 16...Nfd7=) 16...Be6 17.Nfd2 Nfd7 18.f4 ef4 19.Bg7 Kg7 20.gf4 f6 21.Ne3= Bg8 22.f5 g5 23.Qh5 Bf7= 24.Qf3 Rab8 25.Qg3 Rb4 26.h4 h6 27.hg5 hg5 28.Nf3 Rg8 29.Rae1 Ne5 30.Ne5 de5 31.Kf2 Rb2 32.Re2 Qd8 33.Rh1 Rh8 34.Rh8 Qh8 35.Nd1 Ra2 36.d4 ed4–+ 37.Qd6 Qh4 38.Kf1 Qf4 39.Qf4 gf4 40.Rf2 Ra4 41.Rf4 Rc4 42.e5 fe5 43.f6 Kg6 44.Rf2 e4 45.c3 dc3 46.Ne3 Rb4 47.Bh3 Rb1 48.Kg2 Rb2 49.Kg3 Rf2 50.Kf2 Nd3 51.Kf1 Kf6 52.Bd7 Nb4 53.Ke2 Ke5 54.Ng2 Kd4 55.Nf4 Nd3 56.Ng2 Bh5 (56...Bh5 57.Bg4 c2 58.Nf4 Bg4 59.Kf1 c1Q 60.Kg2 Qf4 61.Kh1 Bf3 62.Kg1 Qg3 63.Kf1 Qf2#; 56...c2 57.Bg4 c1Q 58.Bf3 Qc2 59.Kf1 Qf2#) 0–1. McDonald – Iten, Zug, 1987.

8.a3 Nc6 9.c3 Re8 10.0-0 h6 11.Qc2 Be6 12.Rfe1 Qd7 13.e4 Bh3 14.Bh1 Nh5 15.Nc4 Be6 16.Ne3 Nf6 17.b5 Nb8 18.d4 Qb5 19.c4 Qa6 20.de5 de5 21.Be5 c6 22.c5 Nbd7 23.Bd4 Ng4 24.Bg7 Kg7 25.Qc3 Kh7 26.Rad1 Ne3 27.Re3 (worse is 27.fe3 a4+=) 27...Qa7 28.Rc1 Re7 29.h4 h5 30.Ng5 Kg8 31.Bg2 Rae8 32.Kh2 a4 33.Rd3 Bb3 34.f4 Nf8 35.e5 Nh7 36.Ne4 Qb8 37.Nd6 Rf8 38.Rd4 f5 39.Rb4 Qa7 40.Rb6 Rd8 (better is 40...Rb8+–) 41.Qb4 1–0. Poley,Vladimir (2405) – Edlund,Robin (2235), Gothenburg op, 2004. (=1.g3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.Nbd2 a5)

8.a3 Nh5 9.e4 (9.c3 Be6=) 9...ab4 10.ab4 Ra1 11.Qa1 Na6 12.0-0 (12.b5!? Nc5 13.0-0=) 12...Nb4–/+ 13.Nc4 (13.Bc3!? Nc6 14.Qb2–/+) 13...Nc2–+ 14.Qc1 (14.Qa4 Nd4 15.Nd4 ed4–+) 14...Nd4 15.Nd4 ed4 16.Bf3 (16.Na3 c5–+) 16...b5 17.Na5 c5 18.Nc6 Qd7 19.e5 Bb7 20.Na5 Bf3 21.ed6 Qh3 (21...Qh3 22.Qc5 Qg2#) 0–1. gbsrao (2675) – dboese (2525), net–chess.com, 2009.

8.0-0 Nc6 9.a3 Bd7 10.c4 Qc8 11.Re1 Nh5 12.b5 Nd4 13.Nd4 ed4 14.a4 ab5 15.ab5 c6 16.bc6 bc6+= 17.Ra8 Qa8 18.Qa1 Qa1 19.Ba1 f5 20.Nb3 c5= 21.Bd5 Kh8 22.Na5 Nf6 23.Bg2 Rc8 24.Rb1 Kg8 25.Rb6 Ne8 26.Nc6 Bc6 27.Bc6 Bf8 28.Bd5 Kh8 29.e3 Bg7 30.ed4 Bd4 31.Bd4 cd4 32.Bf7 Nf6 33.Rd6 Kg7 34.Bd5 Rc7 35.Bf3 Rd7 36.Rd7 Nd7 37.Kf1 Kf6 38.h4 h6 39.Ke2 Ke5 40.Bc6 Nc5 41.Bf3 g5 42.hg5 hg5 43.Kd2 Kd6 44.Be2 Kc7 45.Bh5 Kd6 46.Kc2 Ke6 47.Be2 Kd6 48.Kb2 Kc7 49.Ka3 Kb6 50.Bf1 Ka5 51.Kb2 Kb6 52.Kc2 Kc7 53.Kd2 Kd6 54.Ke2 Ke5 55.Bg2 Kd6 56.f4 g4 57.Bd5 Ke7 58.Kd2 Kf6 59.Kc2 Ke7 60.Bg2 Kd6 61.Bf1 Kc7 62.Kb2 Kb6 63.Ka3 Ka5= 64.Be2 Kb6 65.Ka2 Ka5 66.Ka3+= Kb6 67.Bf1 Ka5 68.Kb2 Kb4 69.Kc2+= Ka5 70.Bg2 Kb6 71.Bd5 Kc7 72.Bf7 Kd6 73.Bg8 Ke7+= 74.Bd5 Kd6 75.Bg2 Kc7 76.Kb2 Kb6 77.Bf1 Ka5 78.Ka3 Kb6 79.Kb2 Ka5 ½–½. Nilssen,Tor Gran – Brasoy,Aksel, Klubbmesterskap, 2000.

8.c4 Nc6 9.b5 Ne7 10.Qc2 Nd7 11.Nb3 ab5 12.cb5 Nb6 13.Nfd2 Na4 ½–½. Pils – Kranzl, Austria 1995.

8.0-0 Qc7 9.c4 Be6 10.Rc1 Nbd7 11.d4 Rad8 12.d5 Bg4 (12...cd5? 13.cd5 Qb8 14.de6 fe6 15.Ng5+–) 13.e4 (13.h3 Bf3 14.Bf3 Rde8+=) 13...c5 14.b5 a6 15.a4 ab5 16.ab5 Ra8 17.Ra1 Nb6 18.Qb3 h6 19.Ra8 Ra8 20.Ra1 Qb8 21.Ra8 Qa8 22.Qa3 Qa4 23.h3 Bc8 24.Qa4+= Na4 25.Be5?? de5–+ 26.Ne5 Nd7 27.Nd7+= Bd7 28.f4 Bc3 29.Nb3 b6 30.Kf2 Nb2 31.Ke2? Bd4 32.Nd2–/+ Bc3 33.Nb1?? Bb4–+ 34.Nd2 Bd2 35.Kd2 Nc4 (35...Nc4 36.Ke1 Bb5–+) 0–1. gbsrao (2335) – rhand (2290), net–chess.com, 2010.

8.0-0 Nd5 9.c3 f5 10.b5 Be6 11.c4 Nc7 12.a4 g5 13.c5 e4 14.Nd4 dc5 15.Ne6 Ne6 16.Bg7 Kg7 17.de4 f4 18.Ra3 (18.e5 Qd4=) 18...cb5 19.ab5 Nd7 (19...Nd4!?=) 20.Qa1+= Qf6 (20...Kh6 21.Ra7 Nd4 22.Nc4+=) 21.Ra7 Ra7 22.Qa7 Nd4 23.Qb7+/– Ne2 24.Kh1 Rf7 25.Qa6 Ne5 26.Qf6 Rf6 27.gf4 gf4 28.Rb1 f3 29.Nf3 Nf3 30.b6 Ne5 31.b7 Nd7 32.Bh3 Nb8+= 33.Bg4? Nc3 34.Rc1? Ne4–+ 35.f3 Nf2 36.Kg2 Ng4 37.fg4 Rc6 38.Kf3 Kf6 39.h4 Rc7 40.Rb1 Ke5 41.Ke3 Kd5 42.g5 Re7 43.Kd3 c4 44.Kc3 Re3 45.Kb4 Nc6 46.Ka4 Nb8 47.Kb4 Re4 48.h5–/+ Rg4 49.g6 h6 50.Kb5+= c3 51.Rd1 Ke4 52.Kc4 c2 53.Rc1 Kf5 54.Kc3 Kg5–/+ 55.g7 Kf6 56.Kc2 Rg7 57.Rb1 Rd7 58.Rb5 Ke6 59.Kc3 Rd6 60.Kc4 Kd7 61.Rd5 Kc6 62.Rd6 Kd6 63.Kd4 Nc6 64.Ke4 Ke6 65.Kf4 Kf6 66.Ke4+= Ke6 67.Kf4 Nb8 68.Ke4 Nd7 69.Kd4 Kd6 70.Ke4 Ke6 71.Kd4 Kf5 72.Kd5= Nb8 73.Kd6 Na6 74.Kc6 Ke6 75.Kb6 Nb8 76.Kc7 Nd7 77.Kc6 Ke7+= 78.Kd5 Nb8 79.Ke5 Kf7 80.Kd6 Na6 81.Kc6 Ke7 82.Kb6 Nb8 83.Kc7 Nd7 84.Kc8 Kd6 85.Kd8 Nb8 86.Ke8?? Ke6–+ 87.Kd8 Na6 88.Ke8 Kf6 89.Kd8? Kf7–+ ½–½. Aguettaz,M (2295) – Carlan,I (2105), Open, Predeal ROM, 2006.

8.0-0 Be6 9.a3 Nbd7 10.Re1 Rb8 11.Ng5 Bd5 12.e4 Be6 13.Ne6 fe6 14.Nf3 Nh5 15.Bc1 Qc7 16.Ng5 Rbe8 17.Bh3 Rf6 18.Qg4 Nf8 19.Qe2 h6 20.Nf3 Qf7 21.Bg2 g5 22.Rf1 Bh8 23.Rb1 Ng7 24.b5 c5 25.a4 Ng6 26.c4 Rf8 27.a5 Ne8 28.Rb2 Bg7 29.Be3 g4 30.Nd2 h5 31.Bg5 Rf3 32.Bf3 gf3 33.Nf3 Qf3 34.Qf3 Rf3 35.Kg2 Rd3 36.Rc2 Bf6 37.Be3 h4 38.b6 a6 39.Rh1 1–0. linakip – incognitojp, kurnik, 2012.

8.0-0 h6 9.c4 a5 10.ba5 Ra5 11.Nb3 Ra8 12.c5 Re8 13.cd6 Qd6 14.Qc2 Na6 15.a3 Bg4 16.Rfc1 Nd7 17.h3 Be6 18.Nfd2 Bd5 19.Nc4 Qe6 20.Nbd2 Nac5 21.a4 Bg2 22.Kg2 b5 23.ab5 cb5 24.Ra8 Ra8 25.Na3 Na4 26.Ba1 Bf8 27.Nab1 Ndc5 28.Nc3 Nb6 29.Nde4 Qc6 30.Nb5 Qb5 31.Nf6 Kh8 32.Be5 Ne6 33.Ng4 Bg7 34.Bg7 Ng7 35.Nh6 Qd5 36.e4 Qe6 37.Qc6 Rf8 38.Qe6 Ne6 39.Rc6 Nd7 40.Nf7 Rf7 41.Re6 Kg7 42.f4 Nc5 43.Rd6 Ra7 44.Rd5 Nd7 45.e5 Kf7 46.g4 Nb6 47.Rd6 Nc8 48.Rf6 Kg7 49.Kf3 Ne7 50.Rd6 Ra1 51.Rd7 Kf7 52.Kg3 Rd1 53.Kh4 Rh1 54.d4 Rd1 55.Kg5 Ke8 56.Rd6 Kf7 57.h4 Rd2 58.h5 gh5 59.Kh5 Nc8 60.Rd8 Ne7 61.Rd7 Ke8 62.e6 Nc6 63.d5 Nb8 64.Rd6 Ke7 65.Rb6 Rd5 66.f5 Rd8 67.g5 Rh8 68.Kg6 Rg8 69.Kh6 Rc8 70.f6 Ke8 71.g6 1–0. Ostry – Khalafian, SSSR Spartakiada Wom, 1991. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.Nbd2 c6)

8.c4 a5 9.b5 =.

8.c4 Nh5 9.Qc2 f5 10.c5 Be6 11.cd6 Qd6 12.0-0 h6 13.Nc4 Bc4 (13...Qb4? 14.Ba3 Qb5 15.Bf8 Kf8 16.Rab1+–) 14.Qc4 Kh7 15.b5 Re8 16.Nh4 cb5 (16...Qd7 17.a4+=) 17.Qf7 Re7 18.Nf5 gf5 (18...Rf7? 19.Nd6 Rc7 20.Bb7 Rb7 21.Nb7+–) 19.Qh5 Qg6 20.Qh4 Qd6 (20...Nc6 21.Rab1+=) 21.e4 f4+= 22.d4 ed4 23.gf4 Nc6 24.e5 Qb4 25.Rab1 Rae8 26.Qg4 d3 27.Qf5+– Kh8 28.Be4 Bf8 29.a3 Rg7 30.Kh1 Qe7?? 31.e6 Qe6 32.Qh7# 1–0. Weyrich,Morten (2350) – Hodl,Ingolf, Oberliga Nord N, 2000. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6 6.d3)

8.e4 a5 9.ba5 Qa5 =.

8.e4 Be6 9.Nc4 (9.0-0 a5=) 9...b5 (9...Ne4!? 10.Nce5 Nf2 (worse is 10...de5 11.de4 Qe7 12.Qd2+=) 11.Kf2 de5–/+) 10.Na5+= c5 11.bc5?? (better is 11.Qd2 Na6 12.a4+=) 11...Qa5–+ 12.c3 (12.Qd2 Qd2 13.Kd2 dc5 14.Be5 Nbd7–+) 12...dc5 13.0-0 Nc6 14.Ng5 Bg4 15.f3 Bd7 16.d4 cd4 17.cd4 Nd4 18.Bd4 ed4 19.Rc1 h6 20.Nh3 Rfd8 21.Nf4 Be8 22.e5 Nh7 23.Qb3 Qb6 24.Nd5 Qe6 25.f4 Rac8 26.Rc8 Rc8 27.Qd3 Bf8 28.Kh1 Bc5 29.f5 Qe5 30.fg6 fg6 31.Qf3 Bd6 32.Qg4 Rc2 33.Nf4 h5 34.Nh5 Rg2 35.Kg2 Bc6 36.Kg1 Qd5 37.Qg6 (37.Qg6 Kh8 38.Qg7#) 1–0. gbsrao (2305) – vanadis (2445), net–chess.com, 2008.

8.0-0 Nb4–/+ 9.Nc4 Be6 10.a3 Bc4 11.ab4 Bd5 12.c4 Bf3 13.Bf3 c6 14.Qb3 Qe7 15.Ra3 Nd7 16.Rfa1 a6 17.b5 cb5 18.cb5 Nc5 19.Qd5 Rab8 (19...Qe6 20.Bg2–/+) 20.b6 (20.d4 Ne6 21.b6 ed4–/+) 20...Rfe8 (20...Qd8–/+) 21.Ra5? (better is 21.Rb1+=) 21...e4–+ 22.Bg7 Kg7?? 23.de4= Ne4 24.Be4 Qe4–/+ 25.Qd6 Qe2 26.Rc1 Rbd8 27.Qf4 Rd1 28.Rd1–/+ Qd1 29.Kg2 Re1 30.Re5 Rg1–+ 31.Kh3 Qf1 32.Kg4 f5?? 33.Kh4= Qc1?? 34.Re7+– Kf8 35.Qc1 Rc1 36.Rh7 Rc2 37.Kg5 1–0. gbsrao (2310) – billy (2275), net–chess.com, 2010.

8.a3 Be6 9.0-0 Qd7 10.Qc1 Nh5 11.Nb3 f5 12.b5 Ne7 13.a4 f4 14.c4 fg3 15.hg3 Bh3 16.Qg5 Bg2 17.Kg2 Rf5 18.Qh4 Raf8 19.Nbd2 Nf6 20.Rh1?? Rh5–+ 21.Qe4 Ne4 22.Ne4 Rh1 23.Rh1 Nf5 24.Bc1 Nd4 25.Nd4 ed4 26.Bh6 Bh6 27.Rh6 Kg7 28.Rh4 c6 29.Ng5 h6 30.Ne4 d5 31.Rh3 de4 32.de4 d3 33.e3 d2 (33...d2 34.Rh6 d1Q 35.Rh7 Kh7 36.bc6 Rf2 37.Kf2 Q7d2#) 0–1. linakip – flekica, kurnik, 2012.

8.b5 Ne7 9.0-0 Be6 10.c4 Qd7 11.Ng5 Bg4 12.Bb7 Rab8 13.Bg2 h6 14.Ngf3 Bh3 15.Qa4 (better is 15.Qc2!?+/–) 15...Bg2+= 16.Kg2 Qg4?? (better is 16...a6=) 17.h3 Qd7 18.Qa7?? (18.Qa5+/–) 18...Nh5?? (better is 18...Ra8 19.Ne5 Ra7 20.Nd7 Nd7 21.Bg7 Kg7+=) 19.e4 f5 20.c5 Ra8 21.c6 Qd8? 22.Qb7?? Rb8= 23.Qa7 Rb5 24.Rab1 Nc6 25.Qa4+– Qb8 26.Ba3 Na7 27.Rb5 Nb5 28.Rb1 c6 29.Qc4 Kh7 30.Qc6 fe4? 31.de4 Nd4?? 32.Nd4+– Qa7 33.Bd6 Qd4 34.Bf8 Bf8 35.Nf3 Qd3 36.Rb7 Bg7 37.Qc7 Qe4 38.Qe5 Qb7–+ 39.Qe6 1–0. wictorio (1855) – zase (1620), kurnik, 2012.

8.b5 Ne7 9.c4 Nd7 10.e4 f5 11.0-0 Nc5 12.Qc2 fe4 13.de4 h6 14.a4 Be6 15.Nb3 b6 16.Rad1 Qc8 17.Nc5 bc5 18.Ne1 g5 19.Nd3 Ng6 20.f3 Bh3 21.Bh3 Qh3 22.Nf2 Qe6 23.Ng4 Rf7 24.Ne3 Ne7 25.Nd5 Nd5 26.Rd5 Raf8 27.Qe2 (better is 27.Kg2!?=) 27...g4!–/+ 28.f4 (28.fg4 Rf1 Pinning (28...Rf1 Deflection)) 28...ef4 29.Bg7 f3 (29...Rg7?! 30.gf4 g3 31.f5 gh2 32.Kh2=) 30.Qe3 Kg7 31.Kf2 Re8 32.Re1 Rfe7 33.Qf4 Qf6?? (better is 33...Rf8 34.Qe3 Qg6 35.Qc3 Kg8–+) 34.Qg4+/– Kh7 35.Qf3 Qf3 36.Kf3 Re5 37.Re5 Re5 38.Ke3 Kg6 39.Rf1 Re8 40.Rf5 a6 41.Kf4 ab5 42.ab5 (worse is 42.cb5 Ra8 43.Rd5 Ra4+/–) 42...Ra8 43.e5 Ra4 44.Rf6 Kg7 45.Kf5 de5 46.Rg6 Kh7 47.Rg4 (better is 47.Rc6!? Ra7+–) 47...Ra2 48.Ke5 Rc2 49.h4 h5 50.Rf4 Kg7 51.g4 hg4 52.Rg4 Kh6 53.Re4 Kh5 54.Ke6 Rd2 55.Ke7 Rd4 56.Re5 Kh4 57.Rc5 1–0. Auger,Bertrand (1985) – Moisan,Francois (1910), Quebec Montcalm–ch, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5 7.Nbd2 Nc6)

8.b5 Ne7 9.c4 Nf5 10.0-0 h6 11.Qc2 Be6 12.e4 Ne7 13.d4 Nd7 14.de5 de5 15.Rfd1 Qc8 16.Nb3 c5 17.a4 a5 18.Rd6 Qc7 19.Rad1 Nc8 20.Re6 fe6 21.Rd7 Qd7 22.Nc5 Qd6 23.Nd3 b6 24.Nfe5 Ne7 25.Qb3 Rfd8 26.Bf1 Kh7 27.Nf7 Qc7 28.Nd8 Rd8 29.Bg7 Kg7 30.Nf4 Qe5 31.c5 Rd2 32.Ne6 Kf6 33.Bh3 Nf5 34.cb6 Qe4 35.Bf1 Qe6 36.Qc3 Nd4 37.b7 Qb6 38.Qc8 Nf3 39.Kh1 Qf2 40.Qf8 Ke6 41.Bc4 Rd5 42.Qe8 Kf6 43.Qf8 Ke6 44.Qe8 Kf6 45.Qc6 Ke7 46.Qc7 Rd7 47.Qc5 Qc5 0–1. Poley – Hallerod, Stockholm 1992.

8.a3 a5 9.c3 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Ne7 13.c4 c6 (13...Qc8 14.Qa3=) 14.bc6 (14.c5 dc5 15.Ne5 Nfd5+=) 14...Bc6= (worse 14...bc6 15.c5 dc5 16.0-0+–) 15.0-0 b5 16.Ne1 (16.d4 e4 17.d5 ef3 18.Bf3 Ned5 19.cd5 Bd7+=) 16...Bg2 (16...b4 17.Nef3=) 17.Ng2= bc4 (17...b4 18.f4 Qb6 19.Kh1=) 18.Nc4 Ned5 (18...Ne8 19.f4=) 19.Qa6 Qb8 (better 19...Ne8!?+=) 20.Qd6+– Rd8? (better 20...Qd6!? 21.Nd6 Ng4+–) 21.Qb8+– Rb8 22.Be5 Ng4?? (22...Rd8+–) 23.Bb8 Nc3 24.Nf4 (24.e4!? Ne2 25.Kh1 Bd4+–) 24...g5 25.e3 (better 25.Nh5 Ne2 26.Kg2 Bc3+–) 25...gf4 26.ef4 (26.Bf4 Kf8+–) 26...Ne2 (26...Bd4 27.Be5+–) 27.Kg2 h5 28.h3 Nf6 29.Be5 Nd5 30.Kf3 Be5 (30...Nec3 31.Ra1+–) 31.Ke2 (31.fe5 Nec3+–) 31...Bc3 (31...Bd4 32.Kf3 Nb4 33.Ke4+–) 32.Rc1 Bb4 33.Ne5 (33.d4 Kg7+–) 33...f6 (33...Bc3 34.Nc6+–) 34.Rc8 Kg7 35.Nc4 Nc3 36.Kf3 Nd1 (36...Nb5 37.Ke4+–) 37.d4 Be1 (37...Kf7 38.Rc7 Ke6 39.Ne3 Ne3 40.fe3+–) 38.d5 Bf2 (38...Bb4 39.d6 Bd6 40.Nd6 Nb2+–) 39.d6 (39.d6 Bc5 40.Rc5 Nc3 41.d7 Ne4 42.Ke4 f5 43.Kf5 h4 44.d8Q hg3 45.Rc7 Kh6 46.Qh4) 1–0. JUANKARODA (1685) – saiddani (1690), lichess.org, 2020.

8.c4 Nc6 (8...Qc8 9.Ng5=) 9.b5 Ne7 10.Ng5 Rb8 (10...c6 11.bc6 Nc6 12.h4+=) 11.0-0 (11.a4 Bh6 12.Nde4 Bg5 13.Ng5 Nf5=) 11...Bf5 (11...Bh6 12.Nge4 Ne8 13.Nc3=) 12.Nge4 (12.a4 Bh6 13.Ndf3 Nd7=) 12...Ne4 13.Ne4 Be4 14.de4 a5 15.Qb3 b6 (15...Qd7 16.Rfd1=) 16.Bh3 Kh8 17.Rad1 f5 (17...Ng8 18.Qd3=) 18.ef5 gf5 (18...Nf5 19.Bf5 gf5 20.Kh1+=) 19.Bg2 (19.Qc2 Rf7+=) 19...Qe8 20.Qf3 (20.e3 Qf7=) 20...Qg6 21.e3 (21.Qd3 e4 22.Bg7 Kg7 23.Qc3 Kg8+=) 21...Bf6 (21...e4 22.Bg7 Kg7 23.Qe2=) 22.Rd2 h5 ½–½. Koch,Juan (2175) – Axarlian,Carlos (1820), Torre Blanca Copa de Campeones, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5)

8.0-0 a5 9.b5 a4 =.

8.0-0 c6 9.c4 Re8 10.e4 b6 11.Qb3 Bb7 12.Rfe1 Qc7 13.Rac1 Rad8 14.Nb1 Qb8 15.Rcd1 d5 16.cd5 cd5 17.Nc3 Nf8 18.ed5 Nd5 19.Ng5 Qa8 20.d4 e4 21.Re4 Re4 22.Be4 h6 23.Bd5 Rd5 24.Nh3 Rd4 25.Rd4 Bd4 26.Nf4 Qe8 27.Qd1 Bc3 0–1. Bevan – Wells, Morecambe 1981.

8.0-0 Re8 9.c4 a5 10.a3 c6 11.Qc2 Qe7 12.e4 Nf8 13.h3 h5 14.c5 dc5 15.Nc4 ab4 16.Be5 Be6 17.Bd6 b3 18.Qb2 Ne4 19.Be7 Bb2 20.Nb2 Re7 21.de4 b5 22.Ne5 Rea7 23.Nc6 Ra3 24.Rab1 Nd7 25.f4 Nb6 26.f5 Bd7 27.e5 Re8 28.e6 fe6 29.f6 Rf8 30.Ne7 Kh7 31.Nd3 c4 32.Ne5 Be8 33.f7 Bf7 34.Nf7 Kg7 35.Ng5 Rf1 36.Rf1 b2 37.Rf7 Kh6 38.h4 1–0. Poley – Hausner, 1998.

8.c4 b6 9.Ne5 (better 9.Nd4 Ba6 10.Ba8 Qa8 11.N4f3+–) 9...Rb8?? (better 9...Ne5 10.Ba8 Bh3+–) 10.Nc6+– Qe8 11.Nb8 Nb8 12.0-0 Be6 (12...a6 13.a4+–) 13.Qc2 (13.Nf3 Ng4 14.Bg7 Kg7+–) 13...c6 (13...Nbd7 14.Qa4+–) 14.Ne4 (14.Bc3 c5+–) 14...Qd8 (14...Qe7 15.Rac1+–) 15.Nf6 (15.Rac1 Ne4 16.Be4 c5+–) 15...Bf6 16.Bf6 (16.Bf3 Kg7+–) 16...Qf6 17.a4 (17.Rac1 Bg4+–) 17...Re8 (17...Na6 18.b5 (18.Bc6? Nb4 19.Qd2 Nc6–+) 18...Nb4 19.Qd2+–) 18.a5 b5 (18...Kg7 19.ab6 ab6 20.Ra8+–) 19.cb5 cb5 20.Qc7 Qe7 (20...Qd4 21.e3 Qb4 22.Qa7+–) 21.Qe7 (21.Rfc1 a6+–) 21...Re7 22.Rfc1 a6 (22...Na6 23.Rab1 Nc7 24.Rc6+–) 23.Rc3 Bf5 (23...Kg7 24.Rac1+–) 24.e3 Kg7 (24...Kf8 25.Rac1+–) 25.Rac1 Kf6 (25...Re8 26.Rc7+–) 26.d4 h5 (26...Be6 27.Rc7 g5 28.d5+–) 27.Rc7 Nd7 (27...Nd7 28.R1c6 Kg7+–). Sosa Landa,Hugo Rafael – Alessandrini,Daniele (1650), FICGS, 2007. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.d3 e5 7.Nbd2 Nbd7)

8.e4 Nb6 9.c4 =.

8.e4 Nh5 9.0-0= Qe8 10.Qe2 f5 (10...Nb6 11.c4=) 11.Rae1 (11.ef5 e4 12.Nd4 c5=) 11...f4 (11...fe4 12.Ne4 Nhf6 13.Nf6 Nf6 14.d4=) 12.g4+= Nhf6 13.g5 Nh5 14.d4 a5 15.b5 Nb6 16.de5 de5 17.c4 Bg4 18.c5 Na4?? 19.Qc4+– (19.Qc4 Rf7 20.Ba1 Nc5 21.Qc5+–) 1–0. gbsrao (2320) – maaac (2365), net–chess.com, 2009.

8.Rb1 Be6 9.c4 Nd7 10.Qc2 f5 11.a4 c5 12.bc5 Nc5 13.0-0 Bd7 14.a5 Qa5 15.Nb3 Ba4 16.Na5 Bc2 17.Rbc1 Ba4 18.Ng5 Bf6 19.Bd5 Kg7 20.Nb7 Nb7?? (better is 20...Bg5 21.Nd6 Bf6+=) 21.Ne6+/– Kh8 22.Ra1 (22.Nf8?! Rf8 23.Ba3 Nc5 24.Bc5 dc5=) 22...Rab8?? (22...Rfe8 23.Ra4 Re6 24.Bb7 Rb8+–) 23.Ra4 (better is 23.Nf8 a6 24.Ra4+–) 23...Nc5+/– 24.Nc5 (24.Nf8 Na4 25.Ra1 Nb6–/+ (worse is 25...Rb2 26.Ra4 Kg7 27.Ne6 Kh6 28.e4+/–)) 24...Rb2 25.Nd7 Rd8 26.Ra7 Re2 27.Bf3 Rd2 28.Bh5 Bg5 29.Rd1 Rc2 30.Bf3 e4 31.de4 fe4 32.Be4 Rc4 33.Bd5 Rc2 34.h4 Bh6 35.Be4 Re2 36.Rd6 Bg7 37.Bf3 Re7 38.Kg2 Rde8 39.Ra8 Ra8 40.Ba8 h6 (40...Bc3 41.f4+–) 41.Bd5 Kh7 42.Nf6 Bf6 43.Rf6 Kg7 44.Re6 (44.Re6 Re6 45.Be6+–) 1–0. Poley,Vladimir (2385) – Timofeev,Sergey (2250), RUS–Cup Tula, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d3 e5 7.Nbd2 Nh5)

8.e4 a6 9.0-0 =.

8.e4 f5 9.c4 a5 10.a3 (10.b5 Qe7=) 10...f4 11.c5 ab4 12.cd6 cd6 13.ab4 Ra1 14.Ba1 Kh8 15.0-0 Bg4 16.Qa4 Na6 17.Qb5 Qc7 18.Nc4 fg3 19.fg3 Nf6 20.Nd6 (20.Bb2 Bd7 21.Qa5 Ne8+=) 20...Bf3 (20...Qd6!? 21.Ne5 Bc8+=) 21.Be5= Bg2 22.Kg2 Qc6 23.Qb7 Qb7 24.Nb7 Nb4 25.Bd6 Rf7 26.Nd8 Rd7 27.Bb4 Rd8 28.Be7 Rd3 29.Bf6 Rd2 30.Kg1 Bf6 31.Rf6 Re2 32.Rf4 Kg7 33.h4 h6 34.Kf1 Ra2 35.Rf2 Ra4 1–0. Poley,Vladimir (2370) – Mochalov,Evgeny V (2455), Gothenburg op, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5)

8.e4 f5 9.ef5 gf5 10.Nh4 Nf4 11.Bf3 Nh3 12.Bd5 Kh8 13.Qh5 Rf6 14.Ng6 Rg6 15.Qh3 Rh6 16.Qg2 c6 17.Bb3 Na6 18.a3 Nc7 19.f4 Ne6 20.Rf1 Nd4 21.Bd4 ed4 22.Kf2 d5 23.Rfe1 Re6 24.Re6 Be6 25.Re1 Qf6 26.Nf3 Re8 27.Kg1 Bf7 28.Re8 Be8 29.Qe2 (better is 29.Qf2!?+/–) 29...Bh5= 30.Qf2 Bf3 31.Qf3 Qe6 32.Kf2 Bf6 33.a4 Be7 34.b5 Bc5 35.bc6 bc6 36.Qe2 Qe2 37.Ke2 Bb4 38.Kf3 Kg7 39.h3 Kf6 40.g4 a5 41.Ba2 h6 42.Bb3 ½–½. Derisbourg,Denis (2090) – Lebrun,Xavier (2215), FRA–chT2, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d3 e5)

8.e4 f5 9.ef5 Rf5 10.g4 e4 11.Nd4= (worse is 11.gf5 ef3 12.Qf3 Bb2+=; 11.de4?! Rf4 +=).

8.e4 f5 9.ef5 Bf5 10.0-0 Nd7 =.

8.a3 Bg4 9.c4 Nd4 10.Bd4 ed4 11.Qc2 c5 12.Nbd2 Nd7 13.Nb3 Bf3 14.Bf3 Rc8 15.0-0 b6 16.Bg2 f5 17.ef5 gf5 18.Bd5 Kh8 19.Qd2 f4 20.gf4 Qh4 21.Be6 Rcd8 22.f5?? Ne5 23.Qe2 Bh6 24.Qe4?? Bf4 25.Qg2?? Bh2! 26.Qh2 Nf3 27.Kg2 Nh2 28.Rh1 Rg8! 29.Bg8 Rg8 0–1. cibis (1610) – mb88 (1680), kurnik, 2011.

8.b5 Ne7 9.Nbd2 a6 10.a4 Bd7 11.c4 Qc8 12.0-0 Bh3 13.c5 Bg2 14.Kg2 dc5 15.Ne5 Qe6 16.Ndf3 h6 17.Qc2 b6 18.ba6 Ra6 19.a5 Rfa8 20.ab6 cb6 21.Ra6 Ra6 22.Ra1 Ra1 23.Ba1 Ne8 24.Qa4 Nd6 25.Qa7 Nec8 26.Qc7 Qa2 27.Bc3 Qb3 28.Bd2 f6 29.Ng6 Qd3 30.Bh6?? Bh6–/+ 31.e5 fe5?? 32.Qd8+– Kg7 33.Qh8 (33.Qh8 Kg6 34.Ne5 Kf5 35.Nd3+–) 1–0. Cantillo,A – Moreno,Alejandro (2270), Havana op, 1992.

7.0-0 Qc7 8.Nbd2 Bg4 9.h3 Bf3 10.Bf3 Nbd7 11.c4 e5 12.de5 Ne5 13.Be5 de5 14.e4 Rad8 15.Qe2 Qd7 16.Rfd1 Qd3 17.Qd3 Rd3 18.Be2 Rd4 19.f3 Rfd8 20.Nb3 Rd1 21.Bd1 b6 22.Be2 Bh6 23.Kf2 Kf8 24.a4 Ke8 25.a5 Bf8 26.ab6 ab6 27.b5 Rc8 28.bc6 Rc6 29.Ra8 Ke7 30.Ra6 Nd7 31.Na5 Rc5 32.Nb3 Rc6 33.f4 ef4 34.gf4 Rf6 35.Bg4 Rf4 36.Ke3 Bh6 37.Bd7 Kd7 38.Kd4 Rf3 39.Na1 Bg7 40.e5 Rf5 41.Nc2 Re5 42.Kd3 b5 43.Ra7 Ke6 44.Nd4 Kd6 45.Nb5 Ke6 46.Nd4 Kd6 47.Rf7 Bh6 48.Nb5 Ke6 49.Rh7 Re3 50.Kd4 Rh3 51.Nc7 Kd6 52.Rf7 Rh4 53.Kc3 Rh3 54.Kb4 Bd2 55.Kb5 Rb3 56.Ka6 Kc5 57.Rg7 ½–½. Petersen – Bekker Jensen, Copenhagen 1995.

7.c4 a5 8.b5 cb5 9.cb5 a4 10.Na3 Bd7 11.Nd2 d5 12.Qc2 Bf5 13.Qc5 Nbd7 14.Qb4 Re8 15.Rc1 Nb6 16.0-0 Bh6 17.Rfd1 Ne4 18.f4 Nd2 19.Qd2 e6 20.Bc3 Nc8 21.Bb4 Nd6 22.b6 Rc8 23.Bc5 Bf8 24.Qb4 Qd7 25.Rc3 Ne4 26.Be4 Be4 27.Rdc1 e5 28.fe5 Qh3 29.Rf3 Bh6 30.Rcc3 Bd2 31.Rf2 Be1 32.Nb5 h5 33.Qb2 h4 34.gh4 Bf2 35.Kf2 Qh2 36.Ke1 Qh4 37.Kd1 Kg7 38.Qa3 Qg4 39.Be7 Re7 40.Rc8 Qc8 41.Qe7 Qc2 42.Ke1 Qb1 43.Kf2 Qb5 44.e6 Qb6 45.Qf7 Kh6 46.Qf4 g5 47.Qf6 Kh5 48.Qh8 Kg4 49.e7 Qc7 50.Qh5 Kh5 51.e8Q Kh4 52.Ke1 Kg3 0–1. Skalicka – Frydman, Podebrady 1936.

7.c4 Na6 8.a3 Nc7 9.Nbd2 Bf5 10.Nh4 Be6 11.e4 d5 12.e5 Ng4 13.h3 Nh6 14.c5 a5 15.0-0 ab4 16.ab4 Ra1 17.Qa1 Qd7 18.Kh2 Ra8 19.Qb1 g5 20.Nhf3 Bf5 21.Qc1 g4 22.Ng1 Ne6 23.f3= gh3 24.Nh3 Bd3 25.Re1 Nf5 26.Nf2 Bb5 27.Nb3 Bh6 28.f4?? Ng3!–/+ 29.Nh3 Ne2 30.Re2 Be2 31.Qe3 Bc4 32.Na5 Ng7 33.Ng5 Bg5 34.fg5 Qg4 35.Bc1 Qh4 36.Kg1 Nf5 37.Qf2 Qf2 38.Kf2 Nd4 39.Be3 Nc2 40.Bd2 d4 41.Nc4+= Ra4 42.Nb6 Ra2 43.Kg3 Ra3 44.Kf2 Ne3 45.b5?? Ng4 46.Ke2 Ne5 47.bc6 bc6 48.Bf4? Ra2 49.Kf1? Nd3 50.Bg3 Nc5 51.Bc6 d3 52.Bf4 e6 53.Nc4 Kg7 54.Be3 Nb3 55.Be4 Ra1 56.Kf2 d2 57.Bd2 (57.Bd2 Nd2 58.Nd2–/+). Serra Labrador,C (2020) – Parramon Ros,F (2040), 2nd Girona Open, 2011.

7.c4 Qb6 8.Qb3 +=.

7.c4 d5 8.Nbd2= Bf5 9.0-0 Ne4 (9...Nbd7 10.a4=) 10.Qb3 Nd2 11.Nd2 dc4 12.Nc4 Be6 (12...Bd4?? 13.Rad1 Bf2 14.Rf2+–) 13.Qc2 Na6 14.a3 Nc7 (14...Bd4?? 15.Rad1 Bc4 16.Rd4+– (16.Bd4?! Bd5+/–; 16.Qc4?! Bb2 17.Rd8 Rfd8+–)) 15.Na5 Bc8 (15...Rb8!?=) 16.Rfd1 e6 17.Rac1 Qe7? (better is 17...Nb5+/–) 18.Nc6!+– bc6 19.Qc6 1–0. Granda Zuniga,Julio E (2670) – Savalle,Alexandre (2040), Andorra AND, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 c6)

7.c4 Bf5 8.a4 Ne4 (8...d5 9.Nbd2=+) 9.Na3 (9.Nh4 Qb6 10.Nf5 gf5= (worse 10...Qb4 11.Bc3 Nc3 12.Ne7 Kh8 13.Qd2=+)) 9...a5 10.b5 d5 11.Nh4 Nd7 (11...Be6!?=) 12.Nf5+= gf5 13.0-0 e6 14.c5 (better 14.Rc1!?+=) 14...Nec5=+ 15.f3 (worse 15.dc5 Bb2 16.Ra2 Qf6-+) 15...cb5 (15...Nb6 16.dc5 Bb2 17.cb6 Ba1 18.Qa1 Qb6 19.Kh1 Qe3=+) 16.ab5 (better 16.Nb5!? Na6 17.Ba3=) 16...a4-/+ 17.dc5 (better 17.Rc1!?-/+) 17...Bb2-+ 18.Qc2? (better 18.Ra2 Qe7 19.Rb2 Qc5 20.Rf2 Qa3 21.e4-+) 18...Ba1 19.Ra1 Qf6 20.Rc1 Rac8 (20...Rfc8 21.c6 bc6 22.bc6-+) 21.c6 bc6 22.bc6 Nb8 (22...Qd4 23.Kf1-+) 23.c7 Na6 24.Nb5 a3! 25.Qa4 (25.Na3 Qd4 Double attack (25...Nc7 Deflection; 25...Qd4 Decoy)) 25...Qb2 26.Rc2 Qb1 (26...Qb4 27.Qa6 Qb1 28.Bf1 Qc2 29.Qa3-+) 27.Bf1 Nb4?? (better 27...Nc7 28.Qf4 f6 (28...Qc2?! 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5=; 28...Qb5?! 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5=; 28...Nb5?! 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5=) 29.Na3 Qb6 30.Kg2 d4-+) 28.Na3-/+ Qe1 29.Rb2 Ra8 30.Qb4 Qb4 31.Rb4 Ra3 32.e4 de4 33.fe4 fe4 34.Rb8 (34.Rb7-+) 34...Ra8?? (better 34...Rc3 35.Rb4 e3-+) 35.Ra8+/- Ra8 36.Ba6! e3 (36...Ra6 37.c8Q Double attack (37.c8Q Decoy)) 37.c8Q Rc8 38.Bc8 Kg7 39.Kg2 Kg6 40.Kf3 Kg5 41.Ke3 Kg4 42.Kf2 Kh3 43.Kg1 h5 44.Ba6 h4 45.Bf1 Kg4 46.Be2 Kg5 47.g4 f5 48.h3 e5 49.Kg2 e4 50.Bd1 f4? (50...Kf4 51.gf5 Kf5 52.Bg4 Ke5 53.Kf2+-) 51.Kf2 (better 51.Bf3 ef3 52.Kf3 Kf6 53.Kf4 Kg6+-) 51...Kf6 52.Bc2 Ke5 53.Ke2 Kd5 54.Bb3 Ke5 55.Bf7 Kf6 56.Bd5 Ke5 57.Bb7 Kd4 (57...e3+-) 58.g5 Ke5 59.g6 Kf6 60.Be4 Kg7 (60...f3 61.Kf3 Ke6 62.Kg4+-) 61.Kf3 (61.Kf3 Kf6 62.Kf4+-) 1-0. chesserstein (2300) - bvm67 (2135), Rated Blitz game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

7.Nbd2 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Na6 =.

7.Nbd2 Qb6 8.c3 =.

7.Nbd2 Nbd7 8.e4 (8.c4 a5=) 8...Re8 (8...Qb6 9.a3=) 9.0-0 e5 10.Re1 (10.a3 ed4 11.Nd4 a5=) 10...a5 (10...ed4 11.Bd4 c5 12.bc5 dc5 13.Bc3=) 11.a3 (11.Nc4 Ne4 12.Re4 d5 13.Re5 dc4 14.Re8 Qe8 15.ba5 Ra5=) 11...Qc7 12.c4 ed4= 13.Nd4 Ne5 14.N2f3?? Bg4?? 15.Rc1 ab4–/+ 16.ab4 Ra2 17.Qb3 Nf3 18.Nf3 Rb2 19.Qb2+/– Ne4 20.Qc2 Bf5? 21.g4!+– 1–0. gbsrao (2100) – gtan (2210), net–chess.com, 2008.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.c3 Bg4 12.h3 Be6 13.Nbd2 h6 14.e4 Qd7 15.Kh2 b6 (15...b5 16.Bb2=) 16.Re1 White prepares the advance e5 (16.b5 cb5 17.d5 Nd5 18.ed5 Bd5+/-) 16...d5 (16...b5 17.Bb2=) 17.e5 (17.Qe2 Nc7=) 17...Nh5 (17...Ne8 18.Bb2=) 18.Bf1 Nc7 19.c4 (19.Qe2 Ra8=) 19...dc4=+ 20.Nc4 Nd5 21.Qb3 Ra8 22.Bc3? (better 22.Rc1!?=+) 22...b5-+ (22...Nc3?! 23.Qc3 Ra6 24.Rc1+=) 23.Na5 (23.Ncd2 Ne3! 24.Qb2 Nf1 25.Rf1 Bh3-+) 23...Ne3! 24.Qb2 (24.Re3 Bb3 Discovered attack; 24.fe3 Bb3 Discovered attack) 24...Nf1 25.Rf1 Bh3 26.Re1 Bg4 27.Ng1 Be6 28.Ne2 Bd5 29.Nc1 Qg4 30.Nd3?? (30.Qe2 Bf3 31.Qd2-+) 30...Qf3 31.Rg1 e6 (better 31...Ng3 32.Ne1 Qh5 33.Kg3 Qg5 34.Kh3 Qg1-+) 32.Nc5?? (better 32.Ne1 Qg4 33.Ng2-+) 32...Ng3! 33.fg3 (33.fg3 Qh5 Mate attack; 33.Rg3 Qh1 Mate attack) 33…Qh5 0-1. geochess (2240) - kraftmeier (2220), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

8.c3 h6 9.Nbd2 Be6 10.a3 Qc8 11.e4 Bh3 12.Qe2 Bg2 13.Kg2 e6 14.Nc4 Qc7 15.Na5 Nbd7 16.Nb3 Nb6 17.Qd3 d5 18.e5 Ne4 19.Nbd2 Nd2 20.Nd2 Na4 21.Bc1 b5 22.Nb3 Nb6 23.Na5 Qd7 24.Be3 Nc4 25.Nc4 dc4 26.Qc2 Ra4 27.Qe4 Qd5 28.f3 Rfa8 29.Bc1 Kh7 30.Ra2 Rf8 31.Re2 Ra7 32.h4 Qe4 33.Re4 h5 34.g4 Bh6 35.f4 hg4 36.Kg3 Rh8 37.Rh1 Kg7 38.Kg4 Raa8 39.Re2 Rag8 40.Ra2 Ra8 41.h5 f5 42.ef6 Kf6 43.hg6 Kg6 44.Kf3 Kf5 45.Rh5 Kf6 46.Ke4 Ke7 47.Rg2 Kf6 48.Rh3 Bg7 49.Rhg3 Rh7 50.Rg6 Kf7 51.f5 Re8 52.Bg5 ef5 53.Kf5 Rh3 54.Rg4 Rc8 55.Bh4 Bh8 56.Bg3 Rh5 57.R4g5 Rh1 58.Be5 Rf1 59.Kg4 Rg1 60.Kf4 Rf1 61.Kg3 Rg1 62.Kf2 Ra1 63.Bh8 Rh8 64.Rc6 Ra3 65.Rb5 Re8 66.Rb7 Kf8 67.Rc4 Ra2 68.Kf3 Rae2 69.d5 Re1 70.Rf4 Kg8 1–0. Petersen – Andreasen, Copenhagen 1993.

8.Nbd2 Qd6 9.a3 =.

8.Nbd2 Nbd7 9.c4 Rb8 10.a4 dc4 11.Nc4 Nd5 12.Qd2 N7b6 13.Rac1 (better is 13.Nfe5!?=) 13...Nc4+= 14.Rc4 Nb6 15.Rc5 Be6 (15...Na4 16.Ra5 Nb2 17.Qb2–/+) 16.Qd3 (16.Qc2 Nd7 17.Ra5 Ra8=) 16...Nd5 (better is 16...Na4!? 17.Rc2 Qd5–/+) 17.Ba3 Rc8 18.e4 Nb6 19.Bb2 (19.Qc2 A) worse is 19...Bd4 20.Rd1 (20.Nd4?! Qd4 21.Rd1 Qg7+=) 20...Bc5 21.Rd8 Bf2 22.Kf2 Rfd8 23.Bf1+/–; B) 19...Nd7 20.Rc3 Bg4+=) 19...Nd7 (better is 19...Na4!? 20.Rc2 f5–/+) 20.Rc2 h6 (20...f5 21.Ng5 fe4 22.Be4+= (worse is 22.Qe4 Bf5 23.Qe2 Bc2 24.Qc2 Qe8=)) 21.Rfc1 Ne5 22.Ne5 Be5 23.f4 Bg7+= 24.Rd2 Qb6 25.f5 gf5= 26.ef5 Bd5 27.Re1 Bg2 28.Kg2+= Qb4 29.Ba3 Qa4 30.Re7 Qa5 31.Rb7= Qd5 32.Kh3 Rfe8= 33.Ra7 Re4 34.Qf1 Bd4 35.Re7 Re8 36.Re8 Re8 37.Bb2 c5 38.Qf2 Re4 39.g4?? Qb3–+ (39...Qb3 40.Qg3 Re3 41.Bd4 Rg3 42.hg3 cd4 43.Rd4 Qf3–+; 39...Bf2?! 40.Rd5 Re8 41.Kg2+=) 0–1. Hartlaub,Marianne – Gahn,Arno (1685), Bayern–ch Seniors, 1999. (=1.Nf3 Nf6 2.g3 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2)

8.Nbd2 Bf5 9.Re1 (9.c4 a5=) 9...Ne4 (9...Qd6 10.a3+=) 10.Ne4 (10.Nh4 Qd6=) 10...Be4+= 11.Ng5 Bg2 12.Kg2 e5 13.h4 e4–/+ 14.Rc1 Nd7 15.c4 Nb6 16.cd5 Qd5 17.Rc5 Qa2 18.Qc2 Na4 19.Ra5? Qb2–+ 20.Qa4 Qd4 21.Rd1 Qb2 22.e3 Bh6 23.b5 b6 24.Ra7 cb5 25.Qa6 Ra7 26.Qa7 Bg5 27.hg5 Qc2 28.Rd4 Qc6 29.Qe7 Re8 30.Qd7 Qd7–+ 31.Rd7 Re5 32.Rb7 Re6 33.f3 ef3 34.Kf3 b4 35.e4 Rc6 36.Ke3?? b3 37.Kd4 b2 0–1. gbsrao (2340) – mrazo (2220), net–chess.com, 2008.

8.a4 a6 9.c4 Qc7 10.Qb3 e5 11.e3 Re8 12.Nc3 Nf8 13.b5 Bf5 14.c5 dc5 15.Ne5 Be6 16.Qc2 Bd5 17.Nd5 Nd5 18.bc6 cd4 19.ed4 Nb4 20.Qc4 Be5 21.Qb4 Bd6 22.Qb7 Qb7 23.cb7 Rab8 24.Ba3 Red8 25.Bc5 1–0. Slabek – Grabarski, Plock rapid 1994.

8.Nbd2 Nb6 9.c4 Be6 10.Qc2 Qc8 11.e4 Bh3 12.c5 Bg2 13.Kg2 Nbd7 14.Nh4 a5 15.a3 Qc7 16.f4 Ng4 17.Rae1 ab4 18.ab4 Ra2 19.e5 dc5 20.bc5 e6 21.h3 Nh6 22.Qb3 Rfa8 23.Nc4 Bf8 24.Rf2 Be7 25.Nf3 Bd8 26.Na3 R2a3 27.Ba3 Nf5 28.Ra2 Ne7 29.Rea1 Nd5 30.Bb4 Rb8 31.Ra7 Qc8 32.Qa3 Kg7 33.Bd2 Be7 34.Ra8 b6 35.Rb8 Qb8 36.Qa7 bc5 37.Qd7 Qb2 38.Re1 cd4 39.Qc6 Ne3 40.Kf2 Nf5 41.Qe4 Bc5 42.Qd3 h5 43.Rb1 Qa2 44.Rb7 Qa1 45.Qb1 Qa6 46.Ng5 d3 47.Ke1 Be7 48.Rb6 Qc4 49.Rb3 Bg5 50.Qd3 Qd3 51.Rd3 Be7 52.Bc3 Bc5 53.Ke2 Bb6 54.g4 hg4 55.hg4 Nh6 56.Kf3 Ng8 57.Bb4 Bg1 58.Rd8 Bb6 59.Bf8 Kh8 60.Rd1 1–0. Petersen – Hoeg, Copenhagen 1993.

8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 h6 12.Na3 White intends b5 12...Qb6 13.Qa4 White prepares the advance b5 13...Qc7 14.b5 c5 15.e3 b6 16.Rc1 Bb7 17.Qd1 Ra8 18.Bb2 Ne4 19.Nb1 f5 20.Nbd2 Ndf6 21.d5 (21.Ne4 Be4 22.dc5 Qc5 23.Nd4 Bg2 24.Kg2=) 21...Bc8 (better 21...Nf2!? 22.Qb3 N2e4=+) 22.Ra1 Qb8 23.Nb3 (better 23.Ne4!? Ne4 24.Bg7 Kg7 25.Ne1+=) 23...Bb7 ½–½. algernon (2495) – alexp (2395), net–chess.com, 2016. (=1.g3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.Bg2 c6)

8.Nbd2 Nb6 9.0-0 Be6 10.Qc2 Rc8 11.Ng5 Bd7 12.a4 d5 13.a5 Na8 14.Rfe1 Nc7 15.e4 de4 16.Nde4 Bf5 17.Rad1 h6 18.Nf6 Bf6 19.Ne4 Bg7 20.Qb3 b6 21.Qa4 (21.Qe3!?+=) 21...b5= 22.Qb3 bc4 23.Qc4 Be4 (23...Nd5 24.Nc5=) 24.Be4+= Nd5 25.Qc5 Rc7 (25...a6 26.Ba3+=) 26.b5+/– cb5 (better is 26...e6!? 27.bc6 Qg5+/–) 27.Qd5+– Rd7? (better is 27...Qd5 28.Bd5 Rd8+–) 28.Qb5 Bd4 (28...Rd6 29.Bf3+–) 29.Bd4 (better is 29.Rd4 Rd4 30.Qe5+–) 29...Rd4 30.Rd4 (30.Bf3 Rd6+–) 30...Qd4 31.Qd5 Qc3 32.Rd1 1–0. Gomez Feria (1970) – Garcia Sanchez (1945), Calvia Seniors op, 2006. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d6 6.Bg2 c6)

7.0-0 a5 8.b5 c5 9.a4 cd4 10.Nd4 (10.Qd4? Ne8 11.Qh4 Bb2-+) 10...Nc5 11.Nb3 Ne6 (11...Qc7 12.Nc3=) 12.c4 (12.Nc3 Nd7+=) 12...Rb8 (12...Qc7 13.Qd3=) 13.e4 (13.Qd2 Qc7+=) 13...b6 (13...Qc7 14.Qd3=) 14.e5 (14.Qe2 Bb7=) 14...de5 (better 14...Nd7!?=+) 15.Be5+= Nd7 16.Bg7 Kg7 17.Nc3 Ndc5 18.Nd5 Nb3 (18...Bb7 19.Re1+=) 19.Qb3 Nc5 20.Qc3 f6 21.Rad1 (better 21.Rfd1 e6 22.Nf4+=) 21...Qe8? (21...e6 22.Nf4 Qe7= (22...Na4? 23.Qa1 Qc7 24.Qa4+-)) 22.Rfe1 (22.Qa3 Bg4 23.f3 Be6 24.Nb6 Rb6 25.Qc5 Rd6+-) 22...e6 (22...e5 23.f4 e4 24.Qd4+/-) 23.Qd4 (23.Nb6 Rb6 24.Qa5 Rb7 25.Bb7 Nb7+-) 23...Qf7 (better 23...Qd8!? 24.Qf4 Bb7+=) 24.Nb6!+/- Nb3?? (24...Rb6 25.Qc5 Remove defender) 25.Qc3 (better 25.Qe3!? Qa7 26.Nc8 Qe3 27.Re3 Rbc8 28.Rb3 Rc4+-) 25...Nc5 (25...Rb6 26.Qb3 Qc7 27.Qe3+-) 26.Nc8 (26.Qa5?! Qc7+=) 26...Rfc8 27.Qa5 e5 28.Rd5 (28.Bd5 Qd7+-) 28...h5? (28...Ra8 29.Qd2 Ra4+-) 29.Red1 (29.Qd2 h4+-) 29...Kh6? (29...Ra8 30.Qe1 Ra4+-) 30.Qd2 g5 (30...Kg7 31.Qe3 Qf8 32.Rd6+-) 31.a5 (31.h4 Qe7+-) 31...Nb3 32.Qb2 (better 32.Qd3 Nd4+-) 32...Na5 33.Rd7 (33.c5 Nc6+-) 33...Qg6 34.h4 (34.Qb4 Nc4 35.Bb7 Rb7 36.Rb7 h4+-) 34...Nc4 35.Qc1?? (35.hg5 Qg5 36.Qc2+-) 35...Qf5 (better 35...Rb5 36.hg5 fg5+=) 36.hg5+- Qg5 37.Qb1 (37.Qc2 f5 38.Bc6+-) 37...Qg6?? (better 37...Rh8+/-) 38.Be4+- Na3 (38...Nd2 39.R1d2 Qg8 40.R2d6+-) 39.Qb4 Rc4 (39...Nc4 40.Bg6 Kg6+-) 40.Qd2 (40.Bg6 Rb4 41.Bf7 Nb5=+; 40.Qa3?! Re4 41.b6 Qf5+/- (41...Rb6 42.Qf8 Kg5 43.Rg7+-)) 40...Qg5 41.Rh7 1-0. chesserstein (2250) - mecker (2245), Rated Blitz game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4)

7.0-0 a6 8.c4 c5 9.dc5 dc5 10.a3 Qc7 11.Qb3 Rb8 12.Nbd2 b6 13.Rac1 Bb7 14.Rfd1 Rfd8 15.Nf1 e6 16.N3d2 Bg2 17.Kg2 Qc6 18.f3 Bh6 19.e4 Ng4 20.h3 Nge5 21.Ne3 Qc7 22.f4 Nc6 23.Nf3 Nf8 24.Qc3 Nd4 25.Nd4 cd4 26.Rd4 Bg7 27.e5 Rd4 28.Qd4 Rd8 29.Qc3 Qc6 30.Kf2 Qe4 31.Rd1 Rd1 32.Nd1 Qh1 33.Qf3 Qh2 34.Qg2 Qg2 35.Kg2 Nd7 36.Kf3 Kf8 37.Ke4 Ke8 38.a4 Kd8 39.Bd4 Kc7 40.Nc3 Bf8 41.Na2 a5 42.ba5 ba5 0–1. racvac001 (1675) – gregory998 (1610), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.Bg2)

7.0-0 c5 8.bc5= dc5 9.c3 Qc7 10.Nbd2 b6 (10...Nb6 11.Qb3=) 11.e4+= ½–½. Izquierdo,Daniel – Lopez Azambuja,Nicolas, Uruguayan ch Semifinal, 2010. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 Nbd7)

7.0-0 e5 8.de5 Ng4 9.Nbd2 Nge5 10.Ne5 Ne5 11.Rb1 Be6 12.c4 c6 (12...Nc4? 13.Nc4 Bb2 14.Nb2+– (14.Rb2?! Bc4 15.Bb7 Rb8+=)) 13.h3 (13.f4 Ng4 (worse 13...Nc4 14.Nc4 Bb2 15.Nb2+–) 14.Bg7 Kg7=) 13...d5 (13...Nc4? 14.Nc4 Bb2 15.Nb2 Ba2 16.Ra1+–) 14.cd5 Bd5 15.Bd5 Qd5 16.Nb3 Qc4 (16...Qe6 17.Nc5 Qa2 18.f4=+) 17.a3 (better 17.f4!? Rfd8 18.Qc1 Qc1 19.Rfc1+= (worse 19.Bc1 Nc4=+)) 17...Rad8 18.Qe1 Rfe8 19.Be5 Re5 20.e3 Rh5 21.Kg2 Qe4 22.f3 Qe6 23.Rh1 (23.g4 Rb5=+) 23...Rhd5 (23...Rd3!? 24.Nc5 Rc5 25.bc5 Bc3–+) 24.Rf1 Rd3 25.Nc5 Rd2 26.Rf2 Qa2 27.Ne4 Rf2 28.Nf2 Qa3 29.Ne4 (29.b5!?–/+) 29...Qa2–+ 30.Kg1 f5 31.Nf2 Rd2 32.Rc1 (32.Rd1 Bc3–+) 32…Re2 (32...Re2 33.Qf1 Re3–+) 0–1. Ottolini – Lanzani (2370), Vanzaghello, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 Nbd7)

7.Qc1 Re8 8.0-0 c6 9.Nbd2 Qc7 10.c4 e5 11.de5 de5 12.e4 c5 13.a3 a5 14.b5 Nf8 (14...b6 15.Qc3=) 15.Re1 N6d7 16.Nb1 Ne6 17.Nc3 b6 18.Nd5 Qd6 19.Nh4 (19.Qd2 Nd4 20.Rad1 Bb7=) 19...Nd4= 20.Qd1 Bb7 21.Bf1 Nf8 22.Ng2 Nfe6 23.Nge3 Rf8 24.Bg2 f5 25.Nc2 f4 26.Nd4 Nd4 27.a4 Rf7 28.Qd3 Raf8 29.Bd4 cd4 30.Qa3 Qe6 31.gf4= ef4 32.Bh3 Qe5 33.f3 d3 34.Qd3 Qg5= 35.Kh1 Ba1 36.Ra1 Bd5 37.Qd5 Qd5 38.cd5 Rc7 39.d6 Rc5 40.Be6 Kg7 41.Re1 Kf6 42.Bh3 ½–½. Arnaudov,Petar – Minev,Nikolay N, BUL–ch, 1965.

7.Nc3 Nb6 8.0-0 +=.

7.Nc3 Re8 8.0-0 e5 (8...a5 9.b5=) 9.de5 Ne5 (9...de5 10.e4=) 10.Ne5 Re5 11.Nd5 (11.Rb1 Re8=) 11...Re8 12.c4 (12.Nf6!? Bf6 13.Bf6 Qf6 14.e3=) 12...Nd5+= 13.Bg7 Kg7 (13...Nb4 14.Bc3 Nc6 15.Rb1+=) 14.Qd5 (14.Bd5!? Qf6 15.Re1=) 14...Re2+= 15.c5 (15.Qd3 Qe7–/+) 15...Rb8 (15...Qe7 16.c6 b6 17.Bf3–/+) 16.Rae1 (better is 16.Qd3 Re8 17.Rad1=) 16...Ra2?? (better is 16...Re1 17.Re1 Be6 18.Qd4 Qf6+=) 17.Qa2+– Be6 18.Qb2 Kg8 19.Rd1 Qe7 20.Rfe1 dc5 21.bc5 Qc5 22.Qf6 Bb3 23.Re7 Rf8 24.Rde1 Be6 25.R1e6 Qc1 26.Re1 Qd2 27.h4 h5 28.R7e3 Rd8 29.Re8 Re8 30.Re8 Kh7 31.Qh8# 1–0. gbsrao (2110) – burrango (2020), net–chess.com, 2008.

7.c4 c6 8.a4 Re8 (8...d5 9.cd5 Nd5 10.b5=) 9.0-0 e5 10.de5 de5 11.Ne5 Ng4 (11...Qe7!? 12.Nd3 Qe2 13.Qe2 Re2=) 12.Ng4 Bb2 13.Ra2 Bg7 14.Rd2 Qe7 15.e4 (15.b5 Nc5 16.Ne3 Bd7+=) 15...a5 16.b5 Nc5 (better 16...Nb6 17.Ne3 Be6=) 17.Nc3?? (17.bc6!? bc6 18.e5 Bg4 19.Qg4+=) 17...Be6 (better 17...Bc3 18.Ra2 cb5 19.cb5 Be6-+) 18.e5=+ cb5 (18...Bg4 19.Qg4 Qe5 20.Ne2=+) 19.cb5= Bb3 (19...Qg5 20.Nf6 Bf6 21.f4=) 20.Qf3 Rab8 (20...Rad8 21.Nf6 Bf6 22.ef6+=) 21.Nf6+/- Bf6 22.ef6 (worse 22.Qf6 Qe5 23.Qe5 Re5=) 22...Qf8 (22...Qe5 23.Re2 Qd4 24.Rfe1 Re2 25.Qe2 Qf6 26.Ne4 Ne4 A) worse 27.Be4 Qd4=+ (worse 27...Ba4 28.Qc4+/-); B) 27.Qe4+=) 23.Nd5 (23.Rb1 Rbd8 24.Nd5 Bd5 25.Rd5 Rd5 26.Qd5 b6+=) 23...Ba4 (23...Bd5!? 24.Rd5 Na4+=) 24.Ne7+/- Re7 25.fe7 Qe7 26.Qa3 (26.Qf4 Rc8 27.Rb1 Bb3+/-) 26...b6 (26...Bb5 27.Rb1 b6 28.Rd5+/-) 27.Rb1 (27.Bc6 Bb3+/-) 27...Qe8 (27...Bb5 28.Rd5 Bc4 29.Rc5 Qf8+/-) 28.Bc6+/- Qf8 29.Rc1 (29.Re1 Bb3+/-) 29...Rd8 (better 29...Nb3 30.Qa4 Nd2=+) 30.Rd8+/- Qd8 31.Rc5 Qd1 32.Kg2 bc5 33.Qc5 Qd8? (better 33...Qd3+/-) 34.b6?? (better 34.Bd5+-) 34...Bc6?? (better 34...Qc8 35.f3 Qc6 36.Qa5 Bb5-+) 35.Qc6+- 1-0. geochess (2180) - amayak (2005), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.Bg2)

7.c4 Re8 8.0-0 e5 9.Qc2 c6 10.Na3 (10.de5 Ne5 11.Ne5 de5=) 10...e4=+ 11.Ng5 d5 12.cd5 cd5 13.Nb5 Rf8 14.Nc7 Rb8 15.b5 Nb6 (15...Ne8 16.Ne8 Re8=+ (worse 16...Qg5 17.Bc1 Qd8 18.Ng7 Kg7 19.Bf4+/-)) 16.Ba3+= Nc4 17.Bf8 Bf8 18.b6 ab6 19.Nb5 Ng4 (19...Bf5 20.a4 h6-/+) 20.Ne4!+/- Bf5 (20...de4 21.f3 Double attack (21.Qc4 Deflection; 21.f3 Decoy; 21.Qc4 Overloading)) 21.h3 Nge3 22.fe3 Ne3 23.Qb3 Nf1 24.Qd5 (better 24.Nf6! Qf6 25.Rf1+/-) 24...Qd5= 25.Nf6 Kg7 26.Nd5 (worse 26.Bd5 Ne3 (26...Ng3?! 27.e4-/+; 26...Bh3?! 27.Ne4 Ne3 28.Nec3=+) 27.Kf2 Nc2 (27...Kf6 28.Ke3 Bh3 29.Kd3+=) 28.Nh5 gh5-+) 26...Ng3 27.Kf2 Ne4 28.Be4 Be4 29.Nb6 Bc6 30.Na7 Be4 31.Rc1 Bf5 32.h4 (32.Rc3 Bb4 33.Rb3 Be7=+) 32...Be7 (32...Re8 33.Nb5=+) 33.Kf3 Bh4 34.e4 Bd8 35.Nac8 Bc8 36.Nc8 b5 37.e5 Ra8 38.Rc2 h5 39.Ke4 h4 40.Nd6 b4 41.Nb7 (41.d5 f6=+) 41...Kf8 (41...f5!? 42.Kf4 Be7-/+) 42.Nd8=+ Rd8 43.d5 Ke7 44.Rc7 Rd7 45.d6 Ke6 46.Rc8 f5 47.Kf4? (47.Kd4 Ra7 48.Re8 Kf7=) 47...Ra7 (better 47...g5 48.Kg5 Ke5 49.Kh4 Rd6-+ (worse 49...Kd6 50.Kg5-/+)) 48.Re8 Kd5 (48...Kf7 49.Rh8 Rd7= (49...Ra2 50.d7 Rd2 51.d8Q Rd8 52.Rd8+-)) 49.Re7+/- Ra8 (49...Ra2? 50.d7 Ra8 51.Re8+-) 50.d7 Rd8 51.e6 Kd6? (51...h3 52.Kg3 Kd6+-) 52.Re8 Kc7 53.e7 (53.e7 Rd7 54.Rc8 Kc8 55.e8Q Kc7 56.Qg6+-) 1-0. Borbantonakis,Ioannis (1635) - Vlatas,Dimitrios, Irakleio GRE, 2019. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.Bg2)

7.Nbd2 a5 8.b5 c5 (8...c6 9.bc6 bc6 10.c4=) 9.a4 (9.0-0 cd4 10.Bd4 Qc7=) 9...cd4 10.Bd4 (10.Nd4 Qc7=) 10...e5 11.Bb2 Nb6 (11...Qc7 12.0-0=) 12.0-0 Be6 13.e3 (13.Ng5 Qc7=) 13...Nfd7 (13...Rc8 14.Ng5 Bg4 15.Bf3 Bf3 16.Ngf3+=) 14.Ne4 d5 15.Neg5 (15.Ned2 Rc8+=) 15...Rc8 (15...Nc4 16.Bc3+=) 16.Ne6 fe6 17.h4 Rc4 18.Ng5 Qe8 19.e4 d4 20.Bh3 Rf6 21.f4 Na4?? 22.Ba3?? h6 23.fe5+/– Ne5 24.Rf6 Bf6 25.Be6 Kh8 26.Bc4 Nc4 27.Qf1 Bg5 28.hg5 hg5?? 29.Qc4 1–0. gbsrao (2320) – fhupp (2315), net–chess.com, 2008.

8.Nc3 Nc4 9.Qc1 (9.Bc1 c6=+) 9...c6 10.Nd2 Nb2 11.Qb2 Qb6 12.e3 e5 (12...Bf5 13.Nde4=+) 13.Nc4 (13.de5 de5 14.Rfd1=+) 13...Qd8 (13...Qc7 14.de5 de5 15.Nd2=+) 14.Rad1 (14.de5!? de5 15.Ne5=) 14...ed4=+ 15.ed4 Re8 16.Rfe1 Be6 17.Ne3 a5 18.b5 Qc7 19.b6 Qd8 20.Na4 Bf8 (20...Ng4 21.Nc3–/+) 21.c4 d5 (21...Ng4 22.Qc3=+) 22.c5 (22.Nc5!? Rb8 23.a3+=) 22...Qd7 23.Nc2 (23.Re2 h5=+) 23...Bg7 24.Na1 Nh5 (24...Ne4 25.f3 Ng5 26.h4 Nh3 27.Kh2=) 25.Nb3 f5 (25...Bf6 26.Qd2=+) 26.Qd2 Nf6 27.f3 Bf7 28.Re8 Ne8 29.Na5 h5 (29...Bd4 30.Qd4 Ra5 31.Qb4=) 30.Nb2 Kh7 (30...Bd4 31.Qd4 Ra5 32.Re1=) 31.a4 (31.Qb4 Bf6+=) 31...Bh6 (31...Bf6 32.Qb4+=) 32.Qc3+– Ng7 33.Nb3 (33.Re1 Ne6 34.Nd3 Bg7+–) 33...Ne6 (33...f4 34.Re1 Be6 35.Re2=) 34.f4 (34.a5 h4+=) 34...g5 35.fg5 Ng5 36.Nd3 Ne4 37.Be4 fe4 38.Ne5 Qe7 39.Rf1 Bg8 (39...Be8 40.a5+=) 40.a5 (better 40.Na5+=) 40...Rf8?? (better 40...Be6+=) 41.Rf8+– Qf8 42.Qc2 (42.a6 ba6 43.b7 Be6+–) 42...Be3 (42...Be6 43.Qe2 h4+–) 43.Kg2 Qg7 (43...h4 44.Qe2 h3 45.Kh1 Be6+–) 44.Qe2 Qg5 (44...h4 45.Qh5 Bh6+–) 45.a6 Bf4 46.a7 h4 47.a8Q h3 48.Kh3 Be6 49.Kg2 Be5 50.de5 Qf5 51.Qb7 Kh6 52.Qe3 Kg6 53.Qc6 Qh3 (53...Qf7 54.b7 Qf3 55.Qf3 ef3 56.Kf3 Kf7 57.b8Q Bg4 58.Kg4 Kg7 59.Kf5 d4 60.Qg6) 54.Kg1 (54.Kg1 Qg4 55.b7 Qd1 56.Kf2 Qg4 57.b8Q Qf5 58.Kg1 Kh7 59.Qbe8 Qf1 60.Kf1 Bh3 61.Kf2 Be6 62.Qee6 d4 63.Q3h6) 1–0. gbsrao – tjong, net–chess.com, 2019. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d6 5.Bg2 0-0 6.d4 Nbd7 7.0-0 Nb6)

8.Nbd2 Na4 9.Rb1 Nb2 10.Rb2= e5 11.e3 e4 12.Ng5 d5+= 13.c4 c6 14.b5 h6 15.Nh3 (15.bc6 bc6 (15...hg5? 16.cb7 Bb7 17.Rb7+–) 16.Nh3 Bg4=) 15...Bg4+= 16.Qe1 Qd7 (16...dc4 17.Nc4 cb5 18.Ne5 (18.Rb5? Qd7 19.Qb1 Qe6–+) 18...Bh3 19.Bh3+=) 17.Nf4= g5 (17...cb5 18.cd5 Rae8 19.f3 ef3 20.Nf3=) 18.Ne2 Rae8 (18...Qe6 19.Nc3=) 19.Nc3 Re7 20.bc6 bc6 21.Na4 Qf5 22.Nc5 Bf3 (22...Rfe8 23.Qc1=) 23.Qb1 (23.Bf3 ef3 24.cd5 cd5+=) 23...Bg2= 24.Kg2 Rfe8 (24...Nd7 25.Nd7 Qd7 26.Qc2=) 25.Rb7 (25.Qc2 Nd7 26.Nd7 Rd7+=) 25...Bf8= 26.cd5 cd5 27.Re7 Re7 28.Qb8 Kg7 29.h3 h5 30.a4 a5 31.Rb1 Re8 32.Qc7 Rc8 33.Qa5 h4 34.Rh1 Bc5 35.dc5+/– d4 36.ed4 hg3+= 37.Rf1? Nd5 38.fg3 Ne3 39.Kg1 Qh3 40.Kf2 Ng4 41.Ke2 Qg2 42.Ke1 Qg3 43.Ke2 Qd3 44.Ke1 e3 (44...e3 45.Ne4 e2 (worse is 45...Qe4 46.Qc3 Rb8 47.Qc1–+) 46.Rf7 Kg8–+) 0–1. Krutikhin,Yury P – Geller,Efim P, URS–chT, 1967.

8.0-0 Qc7 9.Nb3 Re8 10.Re1 e5 11.e4 ed4 12.Nfd4 Ne5 13.Qe2 Qb6 14.a3 Bg4 15.Nf3? (better is 15.Qf1=) 15...Nfd7 16.c4? (better is 16.Rab1 d5 17.Qd1–+) 16...Bf3 17.Bf3 Nf3 18.Qf3 Bb2 19.Ra2 Bg7 20.Rc2 Ne5 21.Qd1 Qc7 22.Kg2 Rad8 23.f3 Qe7 24.Nd2 h5 25.f4 Ng4 26.Qf3 d5! 27.h3 Nh6 28.g4 de4 29.Ne4 hg4 30.hg4 Qh4 31.Rce2 Kf8 (31...Ng4?! 32.Rh1 Qe7 33.Qg4–+) 0–1. Hartlaub,Marianne – Wolter,Kerstin, GER–ch op (Women), 1992.

8.c4 =.

7.de5 Nfd7 8.0-0 Nc6 9.b5 Nce5 10.Nd4 Nc5 11.c3 a6 12.a4 Nc4 13.Qc2 Re8 14.Re1? (better is 14.Rd1+=) 14...Nb2–+ 15.Nd2 Nba4 16.Ra4 Na4 17.Qa4 Qd7 18.N2b3 Qe7 19.e3 Bd7 20.Qa5 ab5 21.Qc7 Rac8 22.Qb7 Rc3 23.Ra1 (23.Bf1 Rc4! 24.Rb1 Rb4–+) 23...Rb3! 24.Nb3 Ba1 25.Na1 Qd8 26.Nb3 Qc8 27.Qb6 Qc2 28.Qd6 Qb1 (28...Qb3?! 29.Qd7 Qb1 30.Bf1–+) 29.Bf1 Bh3 (29...Qb3?! 30.Qd7 Rb8 31.Qc7–+) 30.Nd2 Qd1 31.Qd4? (31.Qf6 Rc8 (31...Qd2?! 32.Bh3 b4 33.Qb6–+) 32.Qh4 Bf1 33.Nf1 Rc1–+) 31...Bf1 (31...Rc8 32.Qh4 Bf1 33.Nf1–+) 32.Nf1 Qd4 33.ed4 Rd8 (33...Rd8 34.f3 Rd4–+) 0–1. Rojas Franco,Miguel (2210) – Dimitrov,Vladimir (2495), Ubeda op 1st, 1996. (=1.Nf3 d6 2.d4 Nf6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 e5)

7.de5 de5 8.Qd8+= (8.Ne5? Qd1 9.Kd1 Ng4–+) 8...Rd8 9.Be5 (9.Ne5 a5 10.b5 Ra7+–) 9...Bf5 (9...Nc6 10.Bc7 Re8 11.Nfd2–/+) 10.Nd4 Nc6 (10...Be4!? 11.Be4 Ne4 12.Bg7 Kg7+=) 11.Nc6 (11.Bc6 bc6 12.Nf5 gf5+–) 11...bc6 12.c4 (better 12.c3+–) 12...Bc2? (better 12...Nd5!? 13.Bg7 Nb4+–) 13.Na3 White prepares the advance b5 (13.Nc3 Ng4 14.Bg7 Kg7 15.Bc6 Rab8+–) 13...Ba4 (13...Be4 14.f3 Re8 15.Bf6 Bf6+–) 14.b5 (14.Bc7?! Ne8 15.Bd8 Bc3 16.Kf1 Rd8=) 14...Nd7 15.Bg7 Kg7 16.Bc6 Rab8 17.0-0 Ne5 18.Bd5 c6 19.bc6 Nc6 (19...Bc6 20.e4+–) 20.Rab1 (20.Rfb1 Nd4 21.Kf1 Rb6+–) 20...Rb1 (better 20...Nb4!?+–) 21.Rb1 Nd4 22.Rb2 Nf5 (22...h6 23.f4+–) 23.Rb7 Be8 (23...Rd7 24.Rb4 Bd1 25.e4+–) 24.Ra7 Rd7 (24...Nd4 25.e4+–) 25.Rd7 Bd7 26.Nb5 Ne7 27.a4 Nd5 28.cd5 Bf5 (28...Kf6 29.f4+–) 29.Nd4 (29.Nd6 Bc2 30.a5 Bb3+–) 29...Bd7 (29...Be4 30.d6 Kf8 31.f3+–) 30.a5 Bc8 31.e4 Kf6 (31...Kf8 32.f4+–) 32.f4 Ke7 33.e5 Kd8 34.Kf2 Kc7 (34...Bb7 35.d6+–) 35.Ke3 (35.Nb5 Kd7+–) 35...Kb7 (35...Ba6 36.d6 Kc8 37.Nb3+–) 36.Nb3 (36.Nb5 Bh3+–) 36...Ka6 37.Kd4 h5 (37...Bg4 38.Kc5 g5 39.fg5+–) 38.Kd3 (38.Kc5 Bf5+–) 38...Bg4 (38...Kb5 39.Kc3+–) 39.Kd2 (better 39.Kc4+–) 39...Bd1 (39...Kb5+–) 40.Kc1 1–0. Silva,Janderson Rossi Da (1850) – Sarda,Joao Sada, 4th Floripa Open (7), 2018.

8.0-0 Nc6 9.b5 (9.c4 a5=) 9...Nce5 10.Ne5 Ne5 11.Qc1 (11.Bd4 a6 12.a4 Re8=) 11...Bg4 (11...a6 12.ba6 Ra6 13.Nd2=+) 12.e3 (12.f4 Nd7 13.Bg7 Kg7 14.Qb2 Qf6 15.Qf6 Nf6 A) worse 16.Bb7 Rab8 (worse 16...Be2 17.Ba8 Bf1 18.Bc6+=) 17.Bf3 Rb5=+; B) 16.Nc3+=) 12...Be2=+ 13.Re1 Bb5 14.Nd2 Bc6 15.Ne4 (15.Bc6!? bc6 16.f4=+) 15...Qe7 16.f4 Nd7 17.Bg7 Kg7 (17...Be4?! 18.Bf8 Rf8 19.Be4 Qe4 20.Qd2=) 18.Qb2 f6 19.Ng5 (19.Nf2 Bg2 20.Kg2 Rab8-/+) 19...Bg2 20.Kg2 Nc5 21.e4 h6 (21...b6 22.Nh3-/+) 22.Nf3 b6 23.f5 g5 24.Nd4 Qe5 25.Rad1 Rae8 (25...Rf7-/+) 26.Kf3 (26.Qa3 Qe7=+) 26...d5 (26...Ne4 27.Qb5-+) 27.ed5-/+ Qd5 28.Kg4?? (better 28.Kf2 Re1 29.Re1-/+) 28...Re4 (28...h5 29.Kh3 g4 30.Kh4 Qg2 31.Ne6 Re6 32.Qf6 Kf6 33.Re6 Ne6 34.fe6 Qh2) 29.Re4 (29.Kh3 g4 30.Kh4 Re1 31.Ne6 Qe6 32.fe6 Rd1 33.c3-+) 29...Qe4 30.Kh3 (30.Kh5 Rd8 31.c3 Rd4 32.Rd4 Qf3 33.Rg4 Qf5 34.Rf4 Qh3 35.Rh4 gh4 36.g4 Ne4 37.Qg2 Qg2 38.a3 Qd2 39.Kh4 Qh2) 30...Re8 (30...g4 31.Kh4 Qg2 32.Ne6 Ne6 33.Rd7 Rf7 34.Qf6 Kf6 35.Rf7 Kf7 36.fe6 Kg6 37.Kg4 Qf2 38.Kh4 Qf3 39.g4 Qg2 40.g5 hg5) 31.Rd2?? (31.c3 Nd3 32.Qd2-+) 31...Re5 (better 31...g4 32.Kh4 Qe3 33.Kg4 Re4 34.Kh3 Qd2-+) 32.Re2? (32.Qc1!? h5 33.Qf1-/+) 32...Qd5 (32...Qh1 33.c3 Qf1 34.Rg2-+) 33.Re5 (33.c3-+) 33...Qe5 (33...fe5 34.Nb5 Qe4-+) 34.c3 h5 35.Qd2 (35.Qc1 Nd3 36.Qf1 g4 37.Kg2 Qe4 38.Kg1 Qe3 39.Kg2 c5-+) 35...Kf7 (better 35...Ne4 36.Qe1 c5-+) 36.Ne6?? (36.Kg2 Qd5 37.Kg1 Ne4-+) 36...Qd6 (better 36...Qf5 37.Kg2 Qe4 38.Kg1 Ke6-+) 37.Qd6-/+ cd6 38.Nd8 (38.Nc7 Ne4 39.Nd5 Kg7-/+) 38...Ke7 (38...Ke8 39.Nc6-+) 39.Nc6-/+ Kd7 40.Na7 Ne4 41.Nb5 Kc6 42.c4 (42.a4 Nc5-+) 42...Kc5 43.a4 Nd2 (43...Kc4 44.g4 hg4 45.Kg4-+) 44.g4-/+ h4 45.Nc3 (better 45.Nc7 Kc4 46.Kg2-+) 45...Nc4?? (better 45...Kc4 46.Nb5 d5-+) 46.Ne4= Kd5 (46...Kb4 47.Nf6 Ne5 48.Nh7+=) 47.Nf6+= Ke5 48.Nd7 Kd5 49.Nf6 Kc6?? (better 49...Ke5 50.Nh7 Kf4+=) 50.Nh7+- Ne3 (50...Kd7 51.Ng5 d5 52.Ne6+- (52.Kh4?! d4+-)) 51.Ng5 d5 52.Kh4 d4 53.Nf3 Kd5 54.f6 Ke6 55.g5 (55.g5 d3 56.Nd2+-) 1-0. chesserstein (2150) - igo1 (2115), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 d6 6.d4)

8.Nc3 Ne5 9.Ne5 Be5=.

8.c4 Nc6 9.b5 (9.0-0 a5=) 9...Nce5=+ 10.Ne5 Ne5 11.Qb3 Be6 12.Nd2 (worse 12.Bb7 Bc4 13.Qc2 Rb8-/+) 12...c6 (12...Rb8 13.f4 Nd7 14.Bg7 Kg7 15.Qc3 f6 16.0-0=) 13.0-0 (13.f4!? Nd7 14.Bg7 Kg7 15.bc6 bc6 16.Bc6+=) 13...a6= 14.b6 (14.bc6 bc6 15.Qa4 Qc7=) 14...Nd7 (better 14...Nc4!? 15.Bg7 Nd2-/+) 15.Bg7= Kg7 16.Rab1 Nc5 17.Qc3 Qf6 18.Qf6 Kf6 19.Rfd1 Rad8 20.e4 Bg4 21.f3 Be6 22.f4 Kg7 23.Rbc1 (23.Rb2 Rfe8=) 23...f5 (23...Bg4!?-/+) 24.ef5 Bf5 25.Nb3 Na4 (25...Nd3 26.Rc3 Nb2 27.Rd4=) 26.c5 (26.Na5!? Nc5 27.h3=) 26...dc5 (26...Nc5 27.Nc5 dc5 28.Re1-/+) 27.Rd8 (27.Re1 Rf7=+) 27...Rd8-/+ 28.Nc5 (better 28.Bf3!?-/+) 28...Nc5-+ (28...Nb6?! 29.Nb7 Rd2 30.Bf1 (30.Rc6? Rg2 31.Kg2 Be4 32.Kf2 Bc6-+) 30...Ra2 31.Rc6=) 29.Rc5 Rd1 30.Kf2 Rb1 (better 30...Rd2!? 31.Kf3 Ra2-+) 31.Bc6-/+ bc6 32.Rc6 Rb2 (32...Be4 33.Rd6-/+) 33.Kf3 (33.Ke3 Kf8 34.a4 Bd7=+ (34...Rh2? 35.b7 Rb2 36.Rc8 Kg7 37.b8Q Rb8 38.Rb8+-)) 33...h5 34.Rc7 Kf6 35.b7 (35.Rc6 Kf7 36.a4 a5-/+) 35...Bh3 (35...Be6!? 36.Rc6-+) 36.Rc6 Kf7 37.Ra6 (37.Rc7 Ke6 38.Rc6 Kd7 39.Ra6 Be6-/+) 37...Rb7 38.a4 Bf5 39.a5 Rb3 40.Kf2 Rb2 41.Kg1 (41.Ke3 Rh2 42.Ra7 Ke6-+) 41...Bh3 42.Rb6 Rg2 43.Kh1 Rf2 44.Rb1 Rf1?? (better 44...Ra2-+) 45.Rf1-/+ Bf1 46.Kg1 Ba6 47.h3 (47.Kf2 Ke6-/+) 47...Kf6 (47...Ke6 48.Kf2-+) 48.g4 (better 48.Kf2-/+) 48...hg4-+ 49.hg4 Be2 50.f5 (50.g5 Kf5 51.Kf2 Bc4-+) 50...g5 51.a6 (51.Kf2 Bg4 52.a6 Bf5-+ (52...Kf5?? 53.a7+-)) 51...Bg4 (51...Ba6 52.Kf2-+) 52.a7 (52.Kg2 Bf5 53.Kf3-+) 52...Bf3 53.Kf2 Ba8 (53...g4 54.Ke3 Kf5 55.Kf2-+) 54.Kg3 Kf5 55.Kh3 g4 (55...Kf4 56.Kh2 g4 57.Kg1 g3 58.Kf1 Ke3 59.Ke1 g2 60.Kd1 Kd3 61.Kc1 Kc3 62.Kb1 Bd5 63.a8Q g1Q) 56.Kg3-+ Kg5 57.Kf2 Kf4 58.Kg1 (58.Kf1 Ke3 59.Ke1 g3 60.Kd1 g2 61.Kc2 g1Q 62.Kc3 Qg4 63.Kb2 Qb4 64.Ka2 Bd5 65.Ka1 Qa3 66.Kb1 Be4) 58...g3-+ 59.Kf1 Kf3 (59...Ke3 60.Ke1 g2 61.Kd1 Kd3 62.Kc1 Kc3 63.Kb1 Bd5 64.a8Q g1Q) 60.Kg1 (60.Ke1 g2 61.Kd1 g1Q 62.Kc2 Qd4 63.Kb3 Bd5 64.Kc2 Qc4 65.Kd2 Be4 66.Kd1 Qd3 67.Ke1 Qe2) 60...g2 61.Kh2 Kf2 62.Kh3 g1Q (62...g1Q 63.Kh4 Bf3 64.a8Q Qg3) 0-1. chesserstein (2210) - igo1 (2210), Rated Bullet game, lichess.org, 2014. (=1.Nf3 (A05: Reti Opening: 1 Nf3 Nf6) 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 d6 6.d4)

8.Nbd2 Nc6 9.b5 (9.Rb1 Nge5 10.b5 Nf3 11.Nf3 Ne5=) 9...Nce5 10.Ne5 (10.Bd4 a6 11.a4 Qd7=) 10...Ne5 11.0-0 Nf3 12.Bf3 Bb2 13.Rb1 Bg7 14.Nc4 Bh3 (14...Re8 15.Ne3=) 15.Re1 (15.Bb7 Bf1 16.Ba8 Be2 17.Qe2 Qa8=) 15...Bc3+= 16.Bb7 Be1 17.Qe1 (17.Ba8? Qa8 18.Ne3 Bc3–+) 17...Rb8 18.Bf3 Qg5 19.a4 Qc5 (19...a6 20.ba6 Rb1 21.Qb1=) 20.Ne3= Be6 21.c4 a6 (21...f5 22.Nd5=) 22.Rd1 (22.Qd2 h6= (22...Bc4? 23.Rc1+–)) 22...ab5 (22...h6 23.Qa5=) 23.cb5 Bb3 24.Rc1 Qd4 25.Rc7 Qa4= 26.Qc3 Be6 27.Bc6 Rfc8 28.Re7 d5 29.Qf6 Rc6 30.bc6 Qc6 31.Ng4 Qc1 32.Kg2+– Rf8 33.Re6 fe6 34.Qe6 Kg7 35.Qe5 Kf7 36.f4 Rc8 37.Nh6 Kf8 38.Qh8 Ke7 39.Qh7 Kd6 40.Qg6 Kc5 41.Qd3 Qc4 42.Ng4 Rg8 43.Ne5 Qf4? 44.Qc3 Kb5 45.Qc6 Ka5 46.Qd5 Ka4 47.Qg8 Qe5 48.Qc4 Ka3 49.h4 (49.h4 Qh5 50.Qe4+–) 1–0. Otteson,M – Fischer,Robert, Milwaukee N–Western, 1957. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

8.Nbd2 Nc6 9.Qc1 Nge5 (9...Nce5 10.0-0=) 10.Ne5 (10.b5 Na5=) 10...de5=+ 11.a3 (11.0-0 Bg4=) 11...a5 12.b5 Nd4 13.a4 Bf5 14.Ne4 (14.Bd4 Qd4 15.c3 Qb6=+) 14...Bg4 (14...Qd7 15.Qd1 Rad8 16.c3 Be4 17.Be4=+) 15.f3 (15.Qd2 Re8=+ (15...Ne2? 16.f3+–)) 15...Be6 (15...Bh5!?=+) 16.e3= Nf5 17.0-0 c6 (17...Qb8 18.f4 Bc4 19.Rf2=) 18.Ba3 (18.bc6 bc6 19.Ba3 Re8=) 18...Re8 (18...cb5 19.Rd1 Qc7 20.Bf8 Bf8 21.ab5=) 19.Rd1 (19.bc6 bc6 20.Qe1 Qb6+=) 19...Qc7 20.g4 (20.bc6 Qc6 21.Rb1 Rab8=) 20...Nh4 21.Bd6 Qc8 22.b6? (better 22.c4=) 22...Bd5–+ 23.h3 (23.Qd2 Be4 24.fe4 Qg4–+) 23...f5 24.Nd2?? (better 24.gf5 Qf5 25.c4 Ng2 26.Kg2 Be4 27.fe4 Qe4 28.Kh2–+) 24...fg4 25.e4 gf3 (25...gh3 26.Bh1 Bf7 27.Nb3–+) 26.Nf3 Ng2 27.ed5 (27.Kg2 Be4 28.Qe3 Bc2–+) 27...Nf4 28.Qd2 (28.Rd2 Qh3 29.Qf1 e4 30.dc6 ef3 (30...Qf3 31.Qf3 ef3 32.Bf4 Ba1 33.cb7–/+) 31.Qh3 Nh3 32.Kh2 Ba1 33.Kh3 bc6–+) 28...Qh3 29.Qf2 (29.Rf1 Rad8 30.Bc7 Rd5–+) 29...cd5 30.Ra3 (30.Nh2 Qd7 31.Qc5 Re6–+) 30...Qg4 (better 30...Qd7 31.Kh1 Qd6 32.Qe3–+) 31.Kf1 (31.Kh1 Re6 32.Bc7 g5–+) 31...Re6 32.Bc5 (32.Bc7 Rf8 33.Re3 Ref6 34.Be5 Nh3–+) 32...e4 33.Re1 (33.Rd2 Qh3 34.Kg1 ef3 35.Rf3 Rae8 36.Rh3 Nh3 37.Kf1 Nf2 38.Bf2 Re5–+) 33...ef3 (33...Qh3!? 34.Kg1 ef3 35.Re6 Qg4 36.Kh1 Ne6 37.Qf3 Qf3 38.Rf3 Nc5 39.Ra3–+) 34.Re6 (34.Qf3 Re1 35.Ke1 Qf5–+) 34...Qg2 (better 34...Ne6!? 35.Qf3 Qc4 36.Qe2 Qe2 37.Ke2 Nc5 38.Re3–+) 35.Ke1 (35.Qg2 fg2 (35...Ng2? 36.Rf3 Nh4 37.Rfe3+–) 36.Kg1 Ne6–+) 35...Qf2 (35...Ne6 36.Be3 Nd4 37.Qg2 fg2 38.Kf2 Nc2 39.Bc5 Na3 40.Ba3–+) 36.Bf2 Ne6 37.Rf3 (37.Re3 Re8 38.Kf1 d4 39.Rf3 Rc8–+) 37...Rc8 38.Kd1 (38.Re3 Nf4 39.Kd2 Bd4–+) 38...Bd4 0–1. Espinosa Aranda,Angel (2450) – Alsina Leal,Daniel (2505), ESP Ch Rapid, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6 6.d4 e5)

8.Nbd2 Ne5 9.Rb1=.