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  1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q

• 1.b4 e5 2.Bb2 Bb4 3.f4 ef4

• 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe5 de5

• 1.b4 e5 2.Bb2 Bb4 3.f4 d6

• 1.b4 e5 2.Bb2 Bb4 3.f4

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d5

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5

• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0

Contact marek.trokenheim@gmail.com

(2023-04-01)
(All annotations below by Fritz)
(Games' source: Marek's 1.b4 database)




[Event "WSTT/3/06/Semifinal"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "Zylla, Johannes"]
[Result "1/2-1/2"]
[WhiteElo "2070"]
[BlackElo "2265"]
[PlyCount "39"]
[EventDate "2008.??.??"]

1. b4 d5 2. Bb2 f6 3. c4 c6 4. e3 e5 5. Qb3 a5 $146 6. bxa5 Qxa5 7.
Bc3 Qd8 8. d4 exd4 9. Bxd4 Nh6 (9... c5 10. Bb2 d4 11. Nf3 $11) 10. Nf3 Nf5 11.
Bb2 Nd7 (11... Na6 12. cxd5 Nc5 13. Qc2 Qxd5 14. Nc3 $11) 12. cxd5 Nc5 13. Qc2
Qxd5 14. Nc3 Qf7 (14... Qe6 15. Be2 $11) 15. Be2 Be7 (15... b5 16. O-O $11) 16.
O-O O-O 17. Nb1 (17. Rfd1 Be6 $11) 17... Na4 (17... Qg6 18. Rd1 $11) 18. Ba3
Be6 (18... Bxa3 19. Nxa3 Qe7 20. Nc4 $14) 19. e4 (19. Bd3 g6 $14) 19... Nd6 $11
20. Nd4 1/2-1/2

[Event "KE04 NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "van Melis, A L M."]
[Result "1/2-1/2"]
[WhiteElo "2200"]
[BlackElo "2380"]
[PlyCount "93"]
[EventDate "2001.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 Nd7 5. e3 Ngf6 6.
c4 c6 7. cxd5 Nxd5 8. Qc2 a5 $146 (8... g6 9. d4 exd4 10. Nxd4 N5f6 11. Nc3 Bg7
12. Be2 O-O 13. Rd1 Qe7 14. O-O Rd8 15. Rfe1 Nf8 16. Bc4 Be6 17. Nxe6 Nxe6 18.
Ne2 Rxd1 19. Qxd1 Rd8 20. Qb1 Ng4 21. Bxe6 Qxe6 22. Bxg7 Kxg7 23. Nd4 {
Badkarma-Bibersmoelf/playchess.de 2002/1-0 (49)}) (8... Be7 9. d4 exd4 10. Bxd4
a5 (10... O-O 11. Bd3 g6 12. Nbd2 Qc7 13. O-O c5 14. bxc5 Nxc5 15. Rac1 Ne6 16.
Qb3 Nxd4 17. Nxd4 Qa5 18. Nc4 Qc7 19. Be4 Nb6 20. Nb5 Qb8 21. Na5 Qe5 22. Bxb7
Bxb7 23. Nxb7 Rfc8 24. Rxc8+ Nxc8 25. Rb1 {
Buczinski,H (2200)-Slezak,R (2155)/BI-2010-F-00003 2011/å-å (70)}) 11. bxa5 O-O
12. Nbd2 Qh6 13. Nc4 Re8 14. Be2 Nc5 15. O-O Qh5 16. Rfd1 Bg4 17. Rac1 f6 18.
Qb2 Rab8 19. h3 Be6 20. Ncd2 Nc7 21. Bxc5 Bxc5 22. g4 Qxh3 23. Rxc5 {
bambinik (2465)-PAKlady (2605)/1-0 (73)}) 9. b5 f6 (9... Qg6 10. Qxg6 hxg6 11.
Nxe5 $14) 10. d4 (10. Nc3 Nc5 $16) 10... exd4 $14 11. Nxd4 c5 (11... Ne5 12.
bxc6 bxc6 13. Nd2 $14) 12. Nf3 $16 N7b6 13. Bd3 Bd7 14. O-O Qe6 (14... c4 15.
Bxh7 O-O-O 16. Rd1 $16) 15. Rd1 Qg8 (15... a4 16. Be4 $16) 16. Nbd2 $18 Be6 17.
Rac1 Be7 18. Nh4 Bg4 (18... g6 19. Nhf3 $18) 19. Re1 g6 (19... Rd8 20. g3 Qe6
21. f3 $18) 20. Nc4 (20. g3 $5 Nc7 $18) 20... Nxc4 $16 21. Bxc4 (21. Qxc4 $143
Be6 22. Qc2 Rd8 $14) 21... Be6 22. f4 Bf7 (22... Rd8 $5 $16) 23. Qe4 $18 Rd8
24. Red1 Be6 (24... Kf8 25. a4 $18) 25. g3 f5 26. Qf3 Nf6 27. Rxd8+ Bxd8 28.
Qxb7 Bxc4 29. Qc6+ Nd7 30. Rd1 (30. Bxh8 Bd5 31. Qa6 Qxh8 $17) 30... Qe6 31.
Qxe6+ (31. Bxh8 $6 Qxe3+ 32. Kh1 Bd3 $14) 31... Bxe6 32. Bxh8 Bc4 33. Rb1 Bd3
34. Rb3 Bc2 35. Rb2 Be4 36. Kf2 c4 37. Nf3 Nc5 38. Ne1 (38. Rd2 Be7 39. Rd1
Nd3+ 40. Ke2 Bxa3 $18) 38... c3 39. Re2 (39. Bxc3 Na4 40. Bd4 Nxb2 41. Bxb2 Bd5
$14) 39... Bb1 40. Kg1 (40. Nc2 $5 Ne4+ 41. Ke1 a4 $18) 40... Ne4 41. Bd4 (41.
a4 Be7 $18) 41... Be7 $16 42. Nc2 a4 43. Rg2 Kd7 44. h3 h5 45. Be5 (45. b6 Kc6
$16) 45... Bc5 46. Kh2 (46. Bg7 Kc7 $14) 46... Bb6 $14 47. Re2 1/2-1/2

[Event "corr NBC Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "Gouma, Ronald"]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "2310"]
[PlyCount "71"]
[EventDate "2002.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 f6 5. e3 Be6 6.
d4 e4 7. Nfd2 f5 8. c4 c6 9. Nc3 Nf6 10. Qc2 Nbd7 (10... Be7 11. cxd5 Nxd5 12.
g4 g6 13. gxf5 gxf5 14. Nxd5 Bxd5 15. Be2 Nd7 16. b5 cxb5 17. Bxb5 a6 18. Be2
h5 19. Rc1 h4 20. f3 h3 21. fxe4 Bh4+ 22. Kd1 fxe4 23. Nxe4 Qb6 24. Qb1 Kd8 25.
Bd3 {mtr-mahesh97/internet 2009/1-0 (50)}) 11. c5 $146 (11. cxd5 Nxd5 (11...
Bxd5 12. Nc4 Bxc4 13. Bxc4 Nb6 14. Bb3 Be7 15. b5 Rc8 16. bxc6 Rxc6 17. Qe2 a6
18. f3 Qc7 19. Rc1 exf3 20. gxf3 Nfd5 21. Nxd5 Rxc1+ 22. Kd2 Rc2+ 23. Kd3 Nxd5
24. Qxc2 Qxc2+ 25. Bxc2 Kd7 26. Rg1 {Fajfr,L-Spodny,J/corr ch 1971/1-0 (39)})
12. Nc4 Qc7 13. Nxe4 fxe4 14. Qxe4 Kf7 15. f4 N5f6 16. Qc2 Bd6 17. Bd3 Rhe8 18.
O-O Bxc4 19. Bxc4+ Kf8 20. Rae1 Ne4 {Grund,K-Kuchta,P/corr 1968}) (11. Be2 Be7
$11) 11... Qc7 12. g3 Be7 13. Bg2 O-O 14. O-O g5 (14... b6 15. Nb3 $11) 15. f3
(15. Qb3 b6 $11) 15... exf3 (15... b6 16. Ne2 $11) 16. Bxf3 (16. Nxf3 Ne4 $11)
16... Rae8 (16... b6 17. Be2 bxc5 18. Rxf5 Bxf5 19. Qxf5 cxb4 20. Qxg5+ Kh8 21.
axb4 Bxb4 22. Rc1 $15) 17. Bg2 Ne4 (17... Ng4 18. Rae1 $11) 18. Ndxe4 fxe4 (
18... dxe4 19. g4 f4 20. Bxe4 $18) 19. Nxe4 (19. Qb3 Bf6 $11) 19... dxe4 20.
Bxe4 Bf6 (20... Nf6 21. Bxh7+ Kh8 22. Bg6 $11) 21. Bxh7+ Kh8 22. Bg6 Re7 (22...
Ra8 23. Bf5 Bxf5 24. Rxf5 $14) 23. e4 $14 Qd8 (23... g4 24. Bf5 Bg7 25. d5 cxd5
26. Bxe6 Rxe6 27. Rxf8+ Nxf8 28. exd5 $14) 24. e5 Bg7 25. Rfe1 (25. b5 $5 $14)
25... Bd5 $11 26. Re2 (26. Rf1 Be6 $11) 26... g4 (26... Bh6 27. Be4 Nb8 28.
Rae1 $11) 27. Rae1 Bf3 (27... Be6 28. Bc1 Nb8 29. Re4 $14) 28. Rf2 $14 Nf6 29.
h3 (29. Qd2 Nd5 30. Qg5 Kg8 $16) 29... Bh6 $11 30. Rh2 Kg7 (30... Qd5 31. Bf5
gxh3 32. Rxh3 $11) 31. Bf5 {White intends e6} (31. exf6+ Rxf6 32. Qb1 Rxe1+ (
32... Rxg6 $6 33. d5+ Kh7 34. d6 Rxe1+ 35. Qxe1 $11) 33. Qxe1 Kxg6 $19) 31...
Nd5 (31... gxh3 32. d5 cxd5 (32... Nxd5 $2 33. Rxh3 Re6 34. Bxe6 $18) 33. Rxh3
d4 $18) 32. hxg4 $18 Be3+ $4 (32... Ne3 $142 33. Qd3 Bxg4 $18) 33. Rxe3 $1 Nxe3
34. d5 Nxc2 (34... Rxf5 35. gxf5 Qg8 36. f6+ Kf8 37. fxe7+ Ke8 38. Rh8 Nxc2 39.
Rxg8+ Kxe7 40. d6+ Ke6 41. Rg7 $18) 35. e6+ Rf6 36. g5 (36. g5 Rexe6 37. Bxe6
cxd5 38. Bxf6+ (38. gxf6+ $6 Kg6 39. Be5 Ne1 $16 (39... Nxa3 $4 40. f7 Qe7 41.
Rh8 Qxf7 42. Bxf7+ Kxf7 43. Rh7+ Ke6 44. Bh8 $18)) 38... Qxf6 39. gxf6+ Kxf6
40. Bxd5 Bxd5 41. Rxc2 $18) 1-0

[Event "KE04 NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Etmans, Maarten D"]
[Result "1/2-1/2"]
[WhiteElo "2200"]
[BlackElo "2205"]
[PlyCount "120"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Be7 6. Nf3 c5 7. Nc3 Nc6 8.
Bxf6 Bxf6 9. Rc1 Bxc3 10. Rxc3 d5 11. cxd5 Qxd5 12. Bc4 Qh5 13. Bb5 $146 (13.
Qb1 Bg4 (13... b6 14. Qe4 Bb7 15. g4 Qh6 16. Bd5 Rae8 17. Qa4 Qf6 18. Rf1 Na5
19. Bxb7 Nxb7 20. Ke2 Na5 21. d4 Nc6 22. Rd3 cxd4 23. Rc1 Rc8 24. g5 Qe6 25.
Rcd1 dxe3 26. Rxe3 Qf5 27. Kf1 b5 28. Qe4 {GNUChess-GNUChess (90)}) 14. Qxb7
Rab8 15. Qxc6 Bxf3 16. Qxf3 Qxf3 17. gxf3 Rb1+ 18. Ke2 Rxh1 19. Ba6 Rxh2 20.
Rxc5 Rb8 21. Rc7 g6 22. Bc4 Rf8 23. Rxa7 Rg2 24. a4 h6 25. d4 Kg7 26. e4 g5 27.
Ke3 Kg6 {GNUChess-GNUChess/0-1 (66)}) 13... Bd7 14. O-O Rad8 15. Be2 Qd5 16.
Qb3 Qxb3 17. axb3 b6 18. d4 cxd4 19. Nxd4 Nxd4 20. exd4 Rc8 21. Rfc1 Rxc3 22.
Rxc3 Rc8 23. Rxc8+ Bxc8 24. Kf1 a5 25. Ke1 Be6 26. Bc4 a4 27. Kd2 axb3 28. d5
b2 29. Kc2 Bd7 30. Kxb2 Kf8 31. Kc3 Ke7 32. Kd4 Kd6 33. Bb3 Bb5 34. h4 Be2 35.
f3 h6 36. Ke3 Bf1 37. Kf2 Ba6 38. Ke3 Kc5 39. g4 Bc8 40. Ke4 f6 41. h5 Bd7 42.
Bc2 b5 43. Bd1 Kd6 44. Kd4 f5 45. gxf5 Bxf5 46. f4 Bd7 47. Bf3 Be8 48. Bd1 Bf7
{Exerts pressure on the isolated pawn} 49. Be2 Be8 50. Bd1 b4 51. Ke4 (51. Kc4
b3 52. Bxb3 Bxh5 $17) 51... Bb5 (51... Bf7 $142 $19) 52. Kd4 $11 Bf1 53. Bf3
Ba6 54. Bd1 Bb5 55. Bf3 b3 56. Kc3 Ba4 57. Kb2 Kc5 58. Ka3 Kd4 59. d6 (59. Kxa4
$4 b2 60. Kb5 b1=Q+ 61. Kc6 Qc1+ 62. Kd7 Qxf4 $19) 59... Bd7 60. Kxb3 Kc5
1/2-1/2

[Event "corr ICCF WSTT/3/06/4"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Bonatti, Aldo"]
[Black "van Daatselaar, Jan Bart"]
[Result "0-1"]
[WhiteElo "2020"]
[BlackElo "2230"]
[PlyCount "56"]
[EventDate "2006.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. e3 d5 5. Nf3 O-O 6. a3 Be7 7.
c4 Nc6 8. Bb2 Be6 9. cxd5 Qxd5 10. Nc3 Qd7 (10... Qd6 11. d4 (11. Ng5 Rad8 (
11... Bf5 12. d4 (12. d3 Qd7 13. Qb3 Rae8 14. Be2 $11 {-0.25/7}) (12. Qb3 a6
13. d3 Rad8 14. Rd1 $15 {-0.53/8}) 12... a6 13. e4 Bg4 14. f3 $11 {-0.06/8}) (
11... Bg4 12. Qb3 (12. Qc2 Qc5 13. Nge4 Qh5 14. d4 $11 {-0.06/8}) 12... Rad8
13. d4 h6 14. Nge4 $11 {0.03/9}) 12. Nxe6 (12. d4 Bf5 13. Bc4 h6 14. Nf3 $15 {
-0.28/8}) 12... Qxe6 13. d3 Ne5 14. Qc2 $11 {-0.25/8}) (11. Rb1 Bf5 (11... Rad8
12. Qc2 (12. d4 Bf5 13. Bd3 Bxd3 14. Qxd3 $11 {0.00/10}) 12... a6 13. d4 Bg4
14. Bd3 $11 {0.19/8}) (11... Rfe8 12. Qc2 (12. d4 Bf5 13. Bd3 Bxd3 14. Qxd3 $11
{-0.03/9}) 12... Bg4 13. Nb5 Qd7 14. Ne5 $11 {0.13/8}) (11... Rfd8 12. d4 (12.
Qc2 Rab8 13. Nb5 Qd7 14. Ne5 $11 {-0.19/9}) 12... Rd7 13. Qc2 Re8 14. Bd3 $11 {
0.09/8}) (11... a6 12. d4 (12. Qc2 b5 13. Rc1 b4 14. Na2 $11 {-0.12/8}) 12...
Rad8 13. Bd3 h6 14. Qc2 $11 {0.09/9}) (11... Rab8 12. d4 (12. Qc2 a6 13. d4
Rfe8 14. Bd3 $11 {0.00/8}) 12... Bf5 13. Bd3 Bxd3 14. Qxd3 $11 {0.09/9}) (11...
Rac8 12. d4 (12. Qc2 Rfd8 13. d4 Na5 14. Ng5 $11 {-0.03/8}) 12... Rfd8 13. Bd3
h6 14. O-O $11 {0.09/9}) 12. Nb5 (12. Rc1 a6 13. d4 Rfd8 14. Bc4 $15 {-0.37/9})
(12. d3 a6 13. Qc2 Rad8 14. Ne4 $15 {-0.37/8}) 12... Qd7 13. d3 Rfe8 14. Be2
$11 {-0.22/8}) (11. Qa4 Rad8 (11... Rfe8 12. Bb5 (12. d4 a6 13. Bd3 h6 14. O-O
$11 {-0.06/9}) (12. Ng5 a6 13. Nxe6 Qxe6 14. Be2 $15 {-0.28/9}) 12... Bd7 13.
Qb3 a6 14. Bc4 $11 {0.00/9}) (11... Rfd8 12. d4 (12. Be2 a6 13. Qc2 Re8 14. Ng5
$11 {-0.09/9}) (12. Qc2 Bg4 13. d4 Qd7 14. Bd3 $11 {-0.19/8}) 12... a6 13. Bd3
Rab8 14. Ng5 $11 {0.13/8}) (11... a6 12. Rc1 (12. Qc2 Rfd8 13. d3 Rab8 14. Be2
$11 {-0.25/9}) (12. d4 b5 13. Qc2 b4 14. axb4 $15 {-0.37/9}) 12... Rad8 13. d4
Rfe8 14. Ng5 $11 {0.00/9}) 12. Nb5 Qd7 13. Rc1 a6 14. Nbd4 $15 {-0.50/9}) 11...
Rfe8 (11... Rae8 12. e4 (12. Qc2 Bg4 13. Bd3 h6 14. Rd1 $11 {0.09/8}) (12. Bd3
Nd5 13. Ne4 Qd7 14. Bb5 $11 {0.19/9}) 12... Bg4 13. d5 Ne5 14. Nb5 $14 {0.47/9}
) (11... Rad8 12. Bd3 (12. Qc2 Rfe8 13. Bd3 h6 14. O-O $11 {-0.03/8}) 12... h6
13. O-O a6 14. Qc2 $11 {0.09/9}) (11... Na5 12. Bd3 (12. e4 Bb3 13. Qb1 Rfe8
14. e5 $11 {-0.03/8}) (12. Ne5 Rfd8 13. Qa4 Qb6 14. Rb1 $11 {-0.12/8}) (12. Ng5
Bc4 13. Bd3 c5 14. Nce4 $11 {-0.12/7}) (12. Qa4 Qb6 13. Qb5 Nb3 14. Ra2 $11 {
-0.25/9}) 12... Nc4 13. Qe2 Nxb2 14. Qxb2 $11 {0.03/8}) (11... Rfd8 12. Qc2 Bg4
13. Bd3 Bxf3 14. gxf3 $11 {0.19/9}) 12. Qc2 (12. e4 Bg4 13. d5 Ne5 14. Nb5 $11
{-0.09/8}) (12. Ng5 Bd5 13. Qd3 a6 14. e4 $11 {-0.03/8}) (12. Bd3 h6 13. Qc2
Rad8 14. O-O $11 {0.03/9}) 12... Rad8 13. Bd3 h6 14. O-O $11 {0.03/9}) (10...
Qc5 11. d4 (11. Qa4 a6 (11... Qb6 12. Qb5 (12. Bb5 a6 13. Bxc6 Bb3 14. Qf4 $15
{-0.34/9}) 12... Bb3 13. Qxb6 axb6 14. Nb5 $11 {0.03/9}) (11... Qd6 12. d4 (12.
Bb5 Ne5 13. Nxe5 Qxe5 14. O-O $15 {-0.41/8}) (12. Rc1 a6 13. Ng5 Bf5 14. Nge4
$15 {-0.44/8}) 12... a6 13. e4 Na7 14. Qc2 $14 {0.34/8}) 12. Be2 (12. Qc2 Rad8
13. d4 Bf5 14. Bd3 $15 {-0.28/9}) (12. Rc1 Qb6 13. Qc2 Bb3 14. Qf5 $15 {-0.62/9
}) (12. Rb1 Rfd8 13. d3 Bf5 14. Qc2 $15 {-0.50/8}) 12... Rfe8 13. O-O Rad8 14.
Rfc1 $11 {-0.25/8}) (11. Qc2 Rad8 (11... Rfe8 12. d4 Qh5 13. Be2 Bg4 14. Qb3
$11 {0.03/8}) (11... Rfd8 12. d4 (12. Be2 Bf5 13. d3 Rd7 14. O-O $11 {-0.09/9})
(12. d3 Qb6 13. Rb1 Bb3 14. Qd2 $11 {-0.22/9}) 12... Qh5 13. Be2 Bg4 14. O-O
$11 {0.06/8}) (11... Rae8 12. d4 Qh5 13. Be2 Bg4 14. Qb3 $11 {0.13/8}) (11...
Qb6 12. Rb1 Bb3 13. Qf5 Rad8 14. Na4 $11 {0.00/8}) (11... Rab8 12. Bd3 (12. Be2
Rfe8 13. d4 Qb6 14. O-O $11 {0.03/9}) (12. d4 Qa5 13. Bb5 Nd5 14. O-O $11 {
0.16/9}) (12. Bb5 Ne5 13. Nxe5 Qxe5 14. Bd3 $11 {0.00/8}) (12. d3 Rfe8 13. d4
Qh5 14. Be2 $11 {0.00/9}) 12... Rbd8 13. Ne2 Qd6 14. Nf4 $11 {0.25/8}) (11...
Bd6 12. Bd3 (12. d4 Qh5 13. Be2 Bg4 14. Qb3 $11 {-0.09/8}) 12... a6 13. Ne2
Qxc2 14. Bxc2 $11 {0.13/9}) 12. Be2 (12. d4 Bf5 13. Bd3 Bxd3 14. Qxd3 $11 {
-0.09/9}) 12... a6 13. O-O Bf5 14. d3 $11 {0.00/9}) 11... Qb6 (11... Qa5 12.
Qc2 (12. Bd3 Rfe8 13. O-O Rad8 14. Bb5 $11 {-0.09/9}) (12. Bb5 Qb6 13. Rb1 a6
14. Ba4 $11 {0.00/8}) 12... a6 13. Bd3 Qh5 14. Ne4 $11 {0.09/8}) 12. Qd2 (12.
Qc1 Na5 13. Na4 Qd6 14. Nc5 $11 {-0.19/10}) 12... Rfe8 13. Bd3 Rad8 14. Rb1 $11
{0.03/8}) (10... Qa5 11. Bb5 (11. d4 a6 (11... Rfe8 12. Be2 (12. Bd3 a6 13. O-O
Qh5 14. Ne2 $11 {-0.03/8}) (12. Bb5 Qb6 13. Qb1 a6 14. Bd3 $11 {-0.09/9}) (12.
Qc2 a6 13. Bd3 Bd6 14. O-O $11 {-0.25/9}) 12... a6 13. O-O Rad8 14. Qc2 $11 {
0.00/9}) (11... Rad8 12. Be2 (12. Bd3 Rfe8 13. O-O a6 14. Qc2 $11 {-0.12/9}) (
12. Qc2 a6 13. Bd3 Rfe8 14. O-O $11 {-0.12/9}) 12... Rfe8 13. O-O a6 14. Qc2
$11 {-0.09/10}) (11... Bd6 12. Qd2 (12. Qc2 Rad8 13. Bb5 Ne7 14. e4 $11 {
-0.09/8}) (12. Bb5 Qb6 13. Rb1 a6 14. Bd3 $11 {-0.06/9}) (12. Bd3 Rfe8 13. O-O
Qh5 14. Nb5 $11 {-0.06/9}) 12... a6 13. e4 Bg4 14. e5 $11 {0.09/8}) (11... Nd5
12. Qc2 Rae8 13. Bd3 f5 14. Bc4 $11 {0.06/8}) (11... Rae8 12. Be2 (12. Qc2 a6
13. Bd3 Bd6 14. O-O $11 {0.00/9}) (12. Bd3 Bd6 13. O-O Qh5 14. Nb5 $11 {0.09/9}
) 12... Nd5 13. Qc2 f5 14. O-O $11 {0.16/8}) 12. Bd3 (12. Qc2 Rfe8 13. Bd3 Bd6
14. O-O $11 {-0.25/9}) (12. Be2 Rfe8 13. O-O Rad8 14. Qa4 $15 {-0.44/9}) 12...
Rfe8 13. O-O Rad8 14. Qc2 $11 {-0.12/9}) (11. Be2 Rfe8 (11... Rad8 12. Qc2 (12.
O-O Rfe8 13. d4 a6 14. Qa4 $15 {-0.34/9}) (12. d4 a6 13. O-O Rfe8 14. Qc2 $11 {
0.00/10}) 12... Rfe8 13. O-O a6 14. d4 $11 {0.00/9}) (11... a6 12. O-O (12. d4
h6 13. O-O Rad8 14. e4 $11 {-0.25/9}) (12. Qc2 Rab8 13. O-O Rbd8 14. d4 $11 {
-0.03/9}) (12. d3 Rfe8 13. O-O Bd6 14. Qc2 $15 {-0.28/9}) 12... Rad8 13. d4
Rfe8 14. Qc2 $11 {0.00/9}) (11... Rfd8 12. O-O (12. d4 Bd6 13. O-O Qf5 14. Nb5
$11 {0.00/9}) (12. Qc2 Rab8 13. O-O Bf5 14. d3 $11 {-0.03/9}) 12... Rab8 13. d4
Qb6 14. Qd2 $11 {0.00/9}) (11... Rae8 12. Qc2 (12. O-O a6 13. d4 Rd8 14. Qc2
$11 {-0.09/10}) (12. Qa4 a6 13. Qxa5 Nxa5 14. d3 $11 {0.00/9}) (12. Qb1 Bf5 13.
Bd3 Bxd3 14. Qxd3 $11 {-0.22/9}) 12... a6 13. O-O Bd6 14. d4 $11 {0.00/9}) (
11... Nd5 12. Qc2 (12. O-O Rfe8 13. e4 Nb6 14. d4 $11 {-0.12/9}) 12... Rad8 13.
Nxd5 Qxd5 14. e4 $11 {0.00/9}) (11... Rab8 12. d4 (12. O-O Rfe8 13. Bb5 Bg4 14.
Qa4 $11 {0.00/8}) (12. Qa4 Qf5 13. Nb5 Nd5 14. Nbd4 $11 {-0.09/8}) (12. Qc2
Rbd8 13. d4 a6 14. O-O $11 {-0.03/9}) 12... Rbe8 13. O-O Rd8 14. Qc2 $11 {
0.03/10}) 12. O-O (12. d4 Bd6 13. O-O Rad8 14. Nb5 $11 {-0.12/8}) (12. Qa4 a6
13. Qxa5 Nxa5 14. d3 $11 {-0.19/9}) (12. Qc2 Rad8 13. O-O a6 14. d3 $15 {
-0.28/9}) 12... Nd5 13. e4 Nb6 14. d4 $11 {-0.12/9}) 11... Qb6 12. Qc2 (12. Rb1
Rfe8 13. Na4 Qxb5 14. Bxf6 $15 {-0.34/9}) (12. Qa4 a6 13. Bxc6 Bb3 14. Qf4 $15
{-0.34/9}) 12... Rad8 13. Ng5 Bg4 14. d4 $11 {0.00/7}) 11. Bb5 (11. d4 a6 (
11... Nd5 12. Qc2 (12. Bd3 Rae8 13. Qc2 f5 14. O-O $11 {0.03/9}) (12. e4 Nxc3
13. Bxc3 Bf6 14. Qd3 $11 {-0.06/9}) 12... a6 13. e4 Nxc3 14. Bxc3 $14 {0.59/8})
(11... Rfe8 12. Bb5 (12. Ne5 Nxe5 13. dxe5 Ng4 14. Qxd7 $11 {-0.25/9}) (12. e4
Rad8 13. Bb5 a6 14. Ne5 $11 {-0.25/9}) 12... a6 13. Ne5 Qd6 14. Bxc6 $11 {
0.03/9}) (11... Rfd8 12. Bb5 (12. Bd3 Bg4 13. O-O a6 14. h3 $11 {-0.06/9}) (12.
Be2 Rab8 13. Ng5 Bf5 14. Qb3 $11 {-0.19/9}) (12. Rb1 Bf5 13. Bd3 Bxd3 14. Qxd3
$11 {0.03/9}) (12. Ng5 Rab8 13. Nxe6 Qxe6 14. Be2 $11 {0.06/10}) 12... Rab8 13.
Qc2 Bd6 14. e4 $11 {0.19/8}) (11... Rab8 12. e4 (12. Bb5 a6 13. Ne5 Qd6 14.
Bxc6 $15 {-0.28/9}) (12. Ne5 Nxe5 13. dxe5 Nd5 14. Bc4 $15 {-0.28/9}) (12. Bd3
Bg4 13. O-O Rfd8 14. h3 $11 {0.16/10}) 12... Rfe8 13. Bb5 a6 14. Bxc6 $11 {
0.16/8}) (11... Qe8 12. Bd3 (12. Qc2 Rd8 13. Ng5 Bg4 14. d5 $11 {0.25/8}) 12...
Bg4 13. Qc2 Bxf3 14. gxf3 $11 {0.25/9}) (11... Rfc8 12. Bb5 (12. Bd3 Re8 13.
Bb5 a6 14. Ne5 $11 {-0.09/9}) 12... a6 13. Ne5 Qd6 14. Bxc6 $11 {0.19/9}) 12.
Bd3 Rad8 13. Qc2 h6 14. O-O $11 {-0.03/9}) (11. Rc1 Rad8 (11... Rab8 12. d4
Rfd8 13. Ng5 Bg4 14. Qc2 $11 {0.00/8}) (11... Rfb8 12. d4 Nd5 13. e4 Nxc3 14.
Rxc3 $14 {0.44/8}) (11... Qd6 12. Qc2 (12. d4 Rad8 13. Bd3 h6 14. Qc2 $11 {
0.06/9}) (12. Ng5 Bf5 13. d4 a6 14. d5 $11 {-0.12/8}) 12... a6 13. d4 Rfe8 14.
Ng5 $11 {0.09/8}) (11... a6 12. d4 Nd5 13. e4 Nxc3 14. Rxc3 $14 {0.38/8}) 12.
d4 (12. Bb5 Qd6 13. d3 Na5 14. Nd4 $15 {-0.44/8}) 12... Bd6 13. Nb5 Rfe8 14.
Nxd6 $11 {-0.22/9}) (11. Qa4 a6 12. Rc1 (12. d3 Rfd8 13. Qc2 Bd6 14. Be2 $11 {
-0.22/10}) (12. d4 Rfd8 13. Bd3 Bg4 14. Ne4 $11 {-0.22/8}) (12. Be2 Rae8 13.
Ng5 Bg4 14. f3 $15 {-0.66/8}) (12. Qc2 Bf5 13. e4 Bg4 14. Ne2 $15 {-0.44/8})
12... Rfd8 13. Be2 Ne8 14. O-O $11 {-0.12/9}) (11. Be2 Rad8 (11... a6 12. d4 (
12. O-O b5 13. Qc2 Rfd8 14. Rac1 $11 {-0.06/8}) 12... Rad8 13. O-O b5 14. Qc2
$11 {-0.03/8}) (11... Rab8 12. O-O (12. d4 Rbd8 13. Bb5 Qd6 14. Ng5 $11 {
-0.25/8}) 12... a5 13. Bb5 Bg4 14. d4 $11 {-0.03/9}) (11... Rfe8 12. d4 Rad8
13. Ng5 Bg4 14. Qb3 $11 {-0.25/8}) (11... Qd6 12. d4 (12. Qc2 a6 13. Ng5 Rad8
14. d4 $11 {0.09/8}) (12. Nb5 Qd8 13. O-O a6 14. Nbd4 $11 {-0.03/9}) (12. O-O
Rad8 13. d4 a6 14. Ng5 $11 {0.06/9}) (12. d3 a6 13. O-O Rad8 14. Qc2 $11 {
-0.12/10}) 12... Rad8 13. Qc2 Rd7 14. Ng5 $11 {0.16/8}) (11... Rfd8 12. d4 (12.
O-O Re8 13. Bb5 Qd6 14. d3 $11 {-0.12/9}) (12. Rc1 a6 13. d4 Bd6 14. Bd3 $11 {
-0.22/9}) 12... Rac8 13. Bb5 Rb8 14. Qc2 $11 {-0.12/8}) (11... Rfb8 12. d4 Nd5
13. Qc2 Nxc3 14. Bxc3 $11 {0.16/8}) 12. O-O (12. d4 Rfe8 13. Ng5 Bg4 14. Qb3
$11 {-0.25/8}) 12... a6 13. d3 Bf5 14. Qb3 $11 {-0.25/9}) (11. Qc2 Bf5 12. e4 (
12. d3 Rfe8 13. Rd1 Rad8 14. Be2 $11 {-0.25/9}) 12... Bg4 13. Ne2 Bxf3 14. gxf3
$11 {-0.12/8}) 11... a6 (11... Qd6 12. d4 (12. Ng5 a6 13. Nxe6 Qxe6 14. Bxc6
$11 {-0.19/10}) (12. O-O a6 13. Bxc6 Qxc6 14. Rc1 $15 {-0.28/9}) (12. Qa4 Ne5
13. Nxe5 Qxe5 14. O-O $15 {-0.41/8}) (12. d3 a6 13. Bxc6 Qxc6 14. Rc1 $15 {
-0.28/9}) 12... a6 13. Bd3 $11 Rad8 14. Ng5 $11 {0.06/8}) 12. Ne5 $11 Qd6 13.
Bxc6 (13. Nxc6 bxc6 14. Be2 Rfd8 $11) 13... bxc6 14. d4 (14. f4 Rab8 15. Rb1
Rb6 $11) 14... c5 $15 15. Ne2 (15. Na4 cxd4 16. Qxd4 Rfc8 $15) 15... Rab8 $17
16. Bc3 (16. Qc2 cxd4 17. Bxd4 Bd5 $17) 16... cxd4 17. exd4 (17. Qxd4 Rb3 $17)
17... Nd5 18. Bd2 c5 19. Nc4 Qc7 (19... Qd7 20. Ne5 Qc7 21. Rc1 $17) 20. Rc1
Bf6 (20... Qa7 21. dxc5 Bxc5 22. O-O $17) 21. Na5 Rb5 22. Nb3 c4 (22... Ne3 23.
Bxe3 Bxb3 24. Qd2 $15) 23. Nc5 $15 Bxd4 (23... Qc6 $142 $15) 24. Nd3 $2 (24.
Nxe6 Bxf2+ 25. Kxf2 fxe6+ 26. Ke1 $19) 24... cxd3 25. Rxc7 dxe2 26. Qxe2 Nxc7
27. O-O Rb2 28. Qd3 (28. Qd1 Nb5 $19) 28... Nb5 0-1

[Event "corr EM/H/067 ICCF Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "Bock, Michael"]
[Result "1/2-1/2"]
[PlyCount "46"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Bg4 8.
Bb2 Nd7 9. Be2 c5 10. O-O Re8 11. Nc3 Nxc3 12. dxc3 Ba5 13. c4 Qb6 14. Qc2 Qh6
15. h3 Be6 16. Rab1 Bc7 17. Rfd1 Bxh3 $2 (17... Rad8 $142 $11) 18. gxh3 $16
Qxh3 19. Rd5 Re6 {Threatening mate: Rh6} 20. Rg5 (20. Rxd7 Rh6 21. Qxh7+ Rxh7
22. Rd8+ Rxd8 23. Nh4 Qh2+ 24. Kf1 Qh1#) 20... Rh6 {Threatening mate... how?}
21. Rxg7+ Kf8 22. Rxf7+ Kg8 23. Rg7+ Kf8 1/2-1/2

[Event "KE05 NBC Email"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Boschma, Bouwe"]
[Result "1/2-1/2"]
[WhiteElo "2185"]
[BlackElo "2275"]
[PlyCount "45"]
[EventDate "2003.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Bf5 9. Nd4 Bg6 10. Be2 (10. a3 Bc5 (10... Bd6) (10... Be7) 11. Nb3 (11. Bc4
Bxd4 (11... Nb6) (11... a6) 12. Bxd4 Nc6 13. Bb2 Nf4 14. O-O Nd3 15. Bxd3 $15 {
-0.66/9}) (11. Bb5 c6 (11... Nd7) 12. Bc4 Bxd4 13. Bxd4 Nb4 14. axb4 Qxd4 15.
Na3 $17 {-0.94/9}) (11. Qa4 Nd7 (11... c6) (11... Nb6) (11... a6) 12. Qb3 Nf4
13. Nf3 Bd6 14. d4 Rb8 15. Nbd2 $15 {-0.62/8}) 11... Nd7 (11... Bd6 12. Na5 Qc8
13. Qb3 Nb6 14. Nc4 Nxc4 15. Bxc4 $15 {-0.31/8}) (11... Bf8 12. Nc3 Nc6 13. Rc1
Nf4 14. d4 Bd6 15. g3 $15 {-0.53/7}) (11... Be7) (11... Bb6) 12. Qf3 c6 13. Nc3
Nxc3 14. Nxc5 Nxc5 15. Bxc3 $15 {-0.59/8}) (10. Bc4 c5 (10... Nb6 11. Bb5 (11.
Bb3 c5 (11... Be7) (11... N8d7) (11... Na6) (11... Bd6) (11... Qd7) (11... a5)
12. a3 Ba5 13. Nf3 Qd3 14. Nc3 Nc6 15. Qe2 $17 {-0.84/8}) (11. Be2 Be7 (11...
Bd6) (11... c5) (11... Bf8) (11... N8d7) (11... Be4) (11... Qe7) 12. d3 Bf6 13.
Qc2 Na6 14. a3 c5 15. Nb5 $17 {-1.37/8}) (11. Bf1 N8d7 (11... Bf8) (11... Bd6)
(11... Be7) (11... Bc5) 12. Be2 Nc5 13. a3 Nba4 14. Bc1 Ba5 15. O-O $17 {
-0.81/9}) (11. Qb3 Nxc4 (11... Be7) (11... a5) (11... Bd6) (11... Ba5) (11...
Bc5) (11... Bf8) 12. Qxb4 Nxb2 13. Qxb2 c5 14. Ne2 Nc6 15. Nbc3 $17 {-0.91/8})
(11. Qe2 Be7 (11... Nxc4) (11... N8d7) (11... Bd6) (11... c5) (11... Be4) (
11... Qh4) 12. O-O c5 13. Nb3 Nxc4 14. Qxc4 Bd3 15. Qg4 $17 {-0.94/10}) 11...
c6 12. Be2 Bd6 13. O-O c5 14. Nb5 Nc6 15. d3 $15 {-0.53/8}) (10... Be4) (10...
Be7) 11. Nf3 (11. Nc2 Qd7 (11... Re4) (11... Ba5) (11... Qg5) (11... Nc6) (
11... Qd6) (11... Nb6) 12. O-O Nb6 13. Be2 Ba5 14. Qc1 Na4 15. Bc3 $17 {-0.78/9
}) 11... Nf4 (11... Nb6) (11... Nc6) 12. O-O Nd3 13. Bc3 Nc6 14. a3 Ba5 15. Ne1
$17 {-0.72/8}) 10... c5 (10... Bc5 11. O-O (11. Qa4) (11. Qc1) (11. Nb3) 11...
Nf4 12. Bf3 c6 13. Nb3 Nd3 14. Nxc5 Nxc5 15. d4 $11 {0.03/10}) (10... c6 11.
O-O (11. a3 Bc5 (11... Be7 12. O-O c5 13. Nf3 Nc6 14. Nc3 Nxc3 15. Bxc3 $11 {
-0.25/9}) (11... Bd6) (11... Bf8) 12. Qb3 Bxd4 13. Bxd4 Nf4 14. Qb2 Nxe2 15.
Kxe2 $17 {-1.00/8}) (11. Qc1 Bd6 (11... Nd7) (11... c5) (11... b6) (11... a6) (
11... Be4) (11... Qd6) 12. O-O c5 13. Nb3 Qc7 14. Kh1 Nc6 15. Rd1 $17 {-0.72/7}
) 11... Nd7 (11... Qd6 12. a3 Ba5 13. d3 Bc7 14. Nf3 Nd7 15. Qc2 $11 {-0.25/9})
(11... b6 12. Qb3 Bc5 13. Bf3 Nb4 14. d3 Bxd4 15. Bxd4 $11 {0.16/9}) (11... Qh4
12. Nc3 Bd6 13. f4 Nf6 14. Qe1 Qxe1 15. Raxe1 $11 {0.00/9}) (11... Bd6 12. f4
Be4 13. Na3 Be7 14. Nc4 c5 15. Nc2 $15 {-0.37/8}) (11... a5 12. d3 a4 13. a3
Bc5 14. Qc2 Qe7 15. Bf3 $11 {-0.25/9}) (11... Qe7 12. Nc3 Nxc3 13. Bxc3 Bxc3
14. dxc3 c5 15. Nf3 $15 {-0.31/10}) 12. Nc3 N7b6 13. Qb3 Qe7 14. Nxd5 Nxd5 15.
Rad1 $15 {-0.37/8}) (10... a6 11. Qb3 (11. a3 Bd6 (11... Bc5 12. Nf3 Nc6 13.
O-O Bf5 14. d4 Bd6 15. Nc3 $11 {0.00/9}) 12. Qb3 Nf6 13. f4 Nfd7 14. O-O Nc5
15. Qa2 $15 {-0.28/8}) (11. Bf3 Bc5 (11... c5 12. Qb3 Be4 13. Nf5 Bxf5 14. Qxd5
Qxd5 15. Bxd5 $11 {-0.06/8}) 12. Nb3 Be7 13. d4 Nb4 14. e4 Bf6 15. O-O $15 {
-0.41/8}) (11. O-O Qd6 (11... Nd7 12. d3 Bd6 13. Nd2 c5 14. N4f3 Qe7 15. a4 $15
{-0.31/8}) (11... c6 12. d3 Bd6 13. Nc3 Nxc3 14. Bxc3 c5 15. Nc2 $11 {-0.25/10}
) (11... Bd6 12. Nc3 Nxc3 13. Bxc3 c5 14. Nf3 Nc6 15. d3 $15 {-0.34/9}) (11...
b5 12. Nc3 Bxc3 13. dxc3 c5 14. Nf3 Nb6 15. Qc1 $11 {-0.25/9}) (11... b6 12.
Bf3 c5 13. Qb3 Be4 14. Bxe4 Rxe4 15. Nf5 $11 {0.16/9}) (11... c5 12. Nb3 c4 13.
Bxc4 b5 14. Bxd5 Qxd5 15. Nc3 $14 {0.34/9}) 12. Qb3 c5 13. Bc4 Nf6 14. a3 cxd4
15. Qxb4 $15 {-0.34/7}) 11... c5 (11... Be4 12. a3 Ba5 13. O-O Bb6 14. d3 Bg6
15. Bf3 $14 {0.31/9}) (11... b5 12. Bf3 Be4 13. Bxe4 Rxe4 14. Nf5 f6 15. O-O
$11 {0.06/8}) 12. Bf3 Be4 13. Nf5 Bxf5 14. Qxd5 Qxd5 15. Bxd5 $11 {0.00/9}) (
10... Nd7 11. O-O (11. a3 Be7 (11... Bd6 12. O-O N7b6 13. Nb5 Be7 14. N5c3 c6
15. d3 $15 {-0.37/8}) (11... Bf8 12. O-O c5 13. Nf3 Qb6 14. Ra2 Qe6 15. Qb3 $15
{-0.44/9}) (11... Ba5 12. O-O c5 13. Qb3 N7f6 14. Nf3 Re6 15. d4 $11 {-0.19/7})
(11... Bc5 12. Qb3 N7b6 13. O-O c6 14. Rc1 Qe7 15. a4 $11 {-0.22/8}) 12. O-O
Bf6 13. Qb3 N7b6 14. Rc1 c6 15. a4 $15 {-0.44/7}) 11... c6 (11... N7b6 12. d3
c5 13. Nf3 Qe7 14. a3 Ba5 15. Ne5 $11 {-0.25/9}) (11... Qh4 12. Nc3 Nxc3 13.
Bxc3 Bxc3 14. dxc3 Nc5 15. Qc1 $11 {-0.25/9}) (11... Bd6 12. Nc3 Nxc3 13. Bxc3
c5 14. Nf3 Qc7 15. d3 $15 {-0.31/9}) (11... Ne5 12. a3 Bc5 13. Qb3 Bxd4 14.
Bxd4 Nc6 15. Bb2 $11 {-0.03/8}) (11... N7f6 12. Qb3 a5 13. Nc3 c5 14. Nf3 Bxc3
15. Bxc3 $11 {-0.09/7}) (11... a6 12. d3 N7b6 13. Qb3 a5 14. a3 Bd6 15. Nc3 $11
{-0.19/7}) 12. Nc3 N7b6 13. Qb3 Qe7 14. Nxd5 Nxd5 15. Rfd1 $15 {-0.37/8}) 11.
Nf3 (11. Nc2 Ba5 (11... Nc6 12. O-O Ba5 13. Nba3 Qh4 14. f4 Bf5 15. Nc4 $15 {
-0.53/8}) (11... Qd6) (11... Qg5) (11... Bf5) (11... Qh4) (11... Qd7) 12. Nba3
Nb6 13. Bf3 Qe7 14. O-O Bd3 15. Be2 $15 {-0.59/9}) (11. Nb3 Qh4 (11... c4 12.
Nd4 Nb6 13. O-O Na6 14. d3 Qc7 15. dxc4 $11 {0.00/8}) (11... Be4 12. Bb5 Re6
13. a3 Bxg2 14. Rg1 Nxe3 15. fxe3 $14 {0.38/7}) 12. O-O c4 13. Nd4 Rc8 14. Na3
Bxa3 15. Bxa3 $15 {-0.41/9}) (11. Nb5 Nc6 (11... Ba5) (11... a6) (11... Qd7) (
11... Bf5) (11... Qg5) (11... Be4) 12. a3 Ba5 13. O-O Qd7 14. Bg4 Qe7 15. Bf3
$15 {-0.69/8}) 11... Ba5 (11... Nc6 12. O-O Qd6 13. a3 Ba5 14. Nc3 Nxc3 15.
dxc3 $15 {-0.37/8}) (11... a6 12. O-O Nc6 13. Nc3 Bf5 14. a3 Nxc3 15. dxc3 $11
{-0.25/9}) (11... Qd6 12. a3 Ba5 13. Qb3 Nc6 14. Nc3 Nxc3 15. dxc3 $15 {-0.31/8
}) (11... Bf5 12. a3 Ba5 13. Qb3 b6 14. O-O Nc6 15. Rd1 $11 {-0.19/7}) (11...
b6 12. a3 Ba5 13. Ne5 Be4 14. Qa4 Nf6 15. O-O $11 {-0.06/8}) (11... Nb6 12. a3
Ba5 13. O-O Nc6 14. Qb3 Qe7 15. d4 $11 {-0.19/8}) (11... Re6 12. O-O Nc6 13. a3
Ba5 14. Qb3 Qb6 15. Bc4 $11 {-0.25/8}) 12. Ne5 (12. O-O Nb4 13. Ne5 Rxe5 14.
Bxe5 Nc2 15. d3 $11 {0.00/9}) 12... Bf5 (12... Be4 13. Bf3 Nf6 14. Qb3 Qc7 15.
Nc4 $15 {-0.28/8}) 13. Na3 (13. Bb5 Re7 14. Qf3 Be6 $15 15. O-O $15 {-0.41/8})
13... Bc7 14. f4 (14. Nf3 a6 15. Rc1 $15 {-0.59/8}) 14... a6 (14... f6 15. Nf3
$15 {-0.53/8}) 15. O-O (15. Rc1 $15 {-0.50/7}) 15... f6 16. Nd3 b6 17. Nf2 Nc6
18. Bh5 Re7 19. Bf3 Bg6 20. Nb1 Qd7 21. Nc3 Bf7 22. Nce4 Rae8 23. a3 1/2-1/2

[Event "KE04 NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Faber, KA."]
[Result "0-1"]
[WhiteElo "2200"]
[BlackElo "2200"]
[PlyCount "112"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Be7 9. d4 Bh4 (9... Be6 10. Nbd2 (10. Be2 Nc6 (10... Bb4+ 11. Nbd2 Nc3 12.
Bxc3 Bxc3 13. Rc1 Bb4 $11 {0.00/9}) (10... Bd6 11. Nbd2 a5 12. O-O a4 13. a3 c6
$11 {0.00/8}) (10... Nd7 11. O-O (11. Nbd2 c6 12. O-O Rc8 13. Rb1 N7b6 $11 {
-0.19/8}) 11... c6 12. Nc3 N7f6 13. Qc2 Qd6 $11 {-0.06/9}) 11. O-O Qd6 12. Nbd2
Nb6 13. Bd3 f5 $11 {-0.13/9}) (10. a3 Bd6 (10... Nd7) (10... c6) 11. Qc2 h6 12.
Bc4 Nd7 13. O-O N7b6 $11 {-0.13/9}) 10... Bd6 11. Be2 a5 12. O-O a4 13. a3 Qe7
$11 {0.00/8}) (9... Bf5 10. Bc4 (10. Nbd2 Nd7 11. Be2 Bd6 12. O-O N7b6 13. a4
a5 $15 {-0.28/8}) 10... Bb4+ 11. Nbd2 Nc6 12. a3 Bxd2+ 13. Nxd2 Nb6 $11 {
-0.09/8}) 10. Nxh4 Qxh4 11. g3 Qe4 12. Rg1 Nc6 13. Nd2 Nxe3 (13... Qg6 $142 $5
14. e4 Bf5 $15) 14. fxe3 $14 Qxe3+ 15. Qe2 Qxe2+ 16. Bxe2 Bg4 17. Rg2 Nb4 18.
Nc4 Nc2+ (18... Bxe2 $15 {-0.63/9} 19. Rxe2 Nc2+ 20. Kd2 (20. Kf2 Rxe2+ (20...
Nxa1 21. Bxa1 Rxe2+ 22. Kxe2 Rd8 23. Bc3 $15 {-0.41/11}) 21. Kxe2 Re8+ 22. Kf3
Nxa1 23. Bxa1 $17 {-0.72/11}) (20. Kd1 Rxe2 (20... Nxa1 21. Bxa1 Rxe2 22. Kxe2
Rd8 23. Bc3 $15 {-0.41/11}) 21. Kxe2 Re8+ 22. Kf3 Nxa1 23. Bxa1 $17 {-0.75/11})
(20. Kf1 Rxe2 (20... Nxa1 21. Bxa1 f6 22. Bc3 Kf7 23. g4 $15 {-0.56/10}) 21.
Kxe2 Re8+ 22. Kf3 Nxa1 23. Bxa1 $17 {-0.75/11}) 20... Rxe2+ (20... Nxa1 21.
Bxa1 f6 22. Rxe8+ Rxe8 23. Bc3 $15 {-0.53/10}) 21. Kxe2 Re8+ 22. Kf3 Nxa1 23.
Bxa1 $17 {-0.72/11}) 19. Kd2 Bxe2 (19... Nxa1 $2 20. Bxg4 Rad8 21. Bf3 $18) (
19... Rxe2+ 20. Rxe2 Bxe2 21. Kxe2 Re8+ 22. Kf3 Nxa1 23. Bxa1 $17 {-0.72/11})
20. Rxe2 Rxe2+ (20... Nxa1 21. Bxa1 Rxe2+ 22. Kxe2 Rd8 23. Bc3 $15 {-0.44/10})
21. Kxe2 Re8+ (21... Nxa1 22. Bxa1 Rd8 23. Bc3 $15 {-0.41/11}) 22. Kf2 (22. Kf3
Nxa1 23. Bxa1 $15 {-0.69/11}) 22... Nxa1 23. Bxa1 Re6 24. Bb2 Rc6 25. Ne3 Rh6
26. h4 Rb6 27. Nd1 h5 28. Ke3 Kh7 29. d5 Rb5 30. Ke4 c6 31. dxc6 bxc6 32. Bc3
Rb1 33. Ne3 Rg1 34. Be5 f6 35. Bb8 a6 36. a3 Rc1 37. Bf4 Rc3 38. Bd6 c5 39. a4
Kg6 40. Bf4 Ra3 41. Kd5 Rxa4 42. Nc4 Ra1 43. Kxc5 Kf5 44. Nd6+ Kg4 45. Ne8 Re1
46. Nxg7 Re7 47. Bh6 Re5+ 48. Kd4 (48. Kd6 Kxg3 49. Bd2 Kxh4 50. Bc3 $19) 48...
Kxg3 49. Bg5 fxg5 (49... Rxg5 50. hxg5) 50. Kxe5 Kxh4 51. Ke4 a5 52. Kf3 a4 53.
Kg2 Kg4 54. Ne6 a3 55. Nd4 h4 56. Nc2 a2 (56... a2 57. Na1 h3+ 58. Kf2 Kf4 $19)
0-1

[Event "KE04 NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "de Wolf, Ben"]
[Result "1-0"]
[WhiteElo "2200"]
[BlackElo "2200"]
[PlyCount "105"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Be7 9. d4 (9. Be2 c5 10. O-O Nc6 11. a3 Bf6 12. Nc3 Nxc3 13. Bxc3 Bxc3 14.
dxc3 Bf5 15. Qxd8 Raxd8 16. Rad1 h6 17. h3 Bc2 18. Rxd8 Rxd8 19. Rc1 Bd3 20.
Kf1 b5 21. Bxd3 Rxd3 22. Ke2 Rd6 23. Rd1 Rxd1 {
hal1958-jameson/playchess.de 2004/1/2-1/2 (36)}) 9... c6 $146 (9... Bh4 10.
Nxh4 Qxh4 11. g3 Qe4 12. Rg1 Nc6 13. Nd2 Nxe3 14. fxe3 Qxe3+ 15. Qe2 Qxe2+ 16.
Bxe2 Bg4 17. Rg2 Nb4 18. Nc4 Nc2+ 19. Kd2 Bxe2 20. Rxe2 Rxe2+ 21. Kxe2 Re8+ 22.
Kf2 Nxa1 23. Bxa1 Re6 24. Bb2 {
Van Daatselaar,J (2200)-Faber,K (2200)/KE04 NBC Email 2001/0-1 (56)}) 10. Bc4
Qa5+ (10... Bg4 11. O-O $15) 11. Nbd2 $11 Bf5 12. O-O b5 13. Bb3 Bb4 14. e4
Bxe4 15. Nxe4 Rxe4 16. Ne5 Qd8 (16... Ba3 17. Qc2 Rxe5 18. dxe5 Bxb2 19. Qxb2
Nd7 $16) 17. Nxf7 $1 $16 Qe8 (17... Kxf7 18. Qf3+ {Double attack} (18. Bxd5+ {
Decoy})) 18. Ne5 Kh8 19. Qf3 Rf4 20. Qxf4 $1 Nxf4 21. Nf7+ Qxf7 22. Bxf7 Nd7
23. a3 Ba5 24. g3 Rf8 25. Bb3 Nd3 26. Rab1 Nxb2 27. Rxb2 Bc3 28. Rc2 Bxd4 29.
Rxc6 Ne5 30. Rc2 Bb6 31. Rfc1 g5 32. Rc8 Rxc8 33. Rxc8+ Kg7 34. Rg8+ Kh6 35.
Kf1 g4 (35... Nf3 36. Bc2 g4 37. Bd3 $18) 36. Bd1 Bc5 37. Rb8 (37. Bxg4 Nxg4
38. Rxg4 Bxa3 $18) 37... Bb6 38. Be2 Kg6 39. Bxb5 Bc5 40. a4 Kf6 41. Be2 h6 42.
Kg2 Bd6 43. Rc8 a5 44. h3 gxh3+ 45. Kxh3 Kg7 46. Ra8 Bb4 47. Ra7+ Kf6 48. Ra6+
Kg7 49. f4 Nf7 50. g4 Nd6 51. Ra7+ Kf8 (51... Kg8 52. Bd3 $18) 52. Rh7 Ne4 53.
Kg2 1-0

[Event "corr WSTT/3/06/Semifinal"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Bjazevic, Pavao"]
[Result "1/2-1/2"]
[WhiteElo "2070"]
[BlackElo "2245"]
[PlyCount "40"]
[EventDate "2008.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7.
Nf3 Nc6 8. Bb2 Bf5 9. Be2 Nb6 (9... Bc5 10. O-O Bb4 11. Bb5 a6 12. Bxc6 bxc6
13. Nd4 Bd7 14. a3 Bd6 15. Qc2 c5 16. Nf5 Rb8 17. Ng3 Bb5 18. Rc1 Nb6 19. Ne4
Bd3 20. Qc3 f6 21. Nxd6 Qxd6 22. a4 Rfd8 23. a5 Nc4 24. Ba3 {
Bonetti,S-messchess (2625)/ICC 2002/0-1 (32)}) 10. a3 Ba5 11. O-O Bd3 12. Nd4
$146 (12. Bxd3 Qxd3 13. Ne1 Qb5 14. Bc3 Rad8 15. Nf3 Qd3 16. Bxa5 Nxa5 17. Nc3
Nac4 18. Qb3 Rd7 19. Ra2 Rfd8 20. Rc1 Nd5 21. Qc2 Nxc3 22. Qxc3 Qxc3 23. Rxc3
Nxd2 24. Nxd2 Rxd2 25. Rxd2 Rxd2 26. g3 c6 {
Bonetti,S-gottawinsky/ICC 2002/0-1 (49)}) 12... Bxe2 13. Qxe2 Nxd4 14. Bxd4 c6
(14... Qd7 15. Qf3 Nd5 16. Nc3 $14) 15. Rc1 Nd5 (15... f5 16. d3 $11) 16. Qg4
$14 f6 17. Nc3 Bxc3 18. dxc3 Qc8 (18... Qe7 19. Rd1 $14) 19. Qxc8 Rfxc8 (19...
Raxc8 $143 20. Bxa7 Ra8 21. Bc5 $16) 20. c4 Nc7 1/2-1/2

[Event "EM/CL/Q21-4 ICCF Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Burgarth, Ulrich"]
[Result "1/2-1/2"]
[PlyCount "65"]
[EventDate "2002.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Re8 6. Nf3 Nc6 7. Bb2 d5 8. a3
Bd6 9. d4 dxc4 10. Bxc4 Qe7 11. Qc2 Be6 12. Bd3 Bd5 13. Nbd2 a6 14. O-O Ne4 15.
Rfc1 (15. Nxe4 Bxe4 16. Bxe4 Qxe4 17. Qxe4 Rxe4 $11) 15... f5 16. Bc4 Qe6 17.
Nxe4 fxe4 18. Nd2 Kh8 19. Bxd5 Qxd5 20. Rf1 Qh5 {Threatening mate: Qxh2} 21. h3
Qg6 22. f3 exf3 (22... Qh6 $5 23. Nc4 Bf8 $14) 23. Qxg6 $16 hxg6 24. Rxf3 Rad8
25. Rc1 Be7 26. Nb3 Bg5 27. Rc3 Rd6 28. Nc5 Na5 29. Bc1 b5 30. Rg3 Bf6 31. Rxg6
Bxd4 32. Rxd6 (32. exd4 Rxg6) 32... Bxc3 33. Rd3 1/2-1/2

[Event "corr WSTT/3/06/Semifinal"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Vegjeleki, Adolf"]
[Result "1-0"]
[WhiteElo "2070"]
[BlackElo "2145"]
[PlyCount "85"]
[EventDate "2008.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7.
Nf3 Nc6 8. Bb2 Re8 9. a3 Ba5 10. Be2 Qd6 (10... Qe7 11. O-O Nf4 12. Bb5 Nxg2
13. Kxg2 Bg4 14. Bxc6 bxc6 15. Qa4 Bxf3+ 16. Kxf3 Qg5 17. Qxc6 Qh5+ 18. Kg2
Rab8 19. f3 Re6 20. Qc1 Rg6+ 21. Kf2 Qxh2+ 22. Ke1 Re8 23. Qc5 Bb6 24. Qc3 Rg1
25. Rxg1 {machete99 (2155)-Player (2560)/ICC 2002/1-0}) (10... a6 11. O-O Bf5
12. Qb3 Qd7 13. Nc3 Bxc3 14. Bxc3 Be6 15. Qb2 Nxc3 16. dxc3 Rab8 17. Rfd1 Qe7
18. Qc2 Bg4 19. h3 Bxf3 20. Bxf3 Ne5 21. Be4 h6 22. a4 a5 23. Rd4 c6 24. Bh7+
Kh8 25. Bd3 {rompepelotas-marekt/ChessWorld.net 2004/1-0 (37)}) 11. Qc2 $146 (
11. O-O Bf5 12. Qb3 Rad8 13. Nc3 Bxc3 14. Bxc3 Nxc3 15. Qxc3 Be4 16. Rfc1 Qg6
17. d4 Rd7 18. Ne1 Bd5 19. Bf3 Ne7 20. Rab1 b6 21. Qc2 Qxc2 22. Rxc2 Bxf3 23.
Nxf3 c5 24. dxc5 Rc7 25. Rbc1 Rec8 {Arkell,K-Gallagher,J/London 1986/1-0 (41)})
11... Bg4 (11... Bd7 12. O-O $11) 12. Ng5 $11 Qh6 13. Bxg4 Nxe3 (13... Qxg5 $5
14. Bf3 Rad8 $11) 14. fxe3 $16 Qxg5 15. Bf3 Qxe3+ 16. Kd1 Rad8 17. Kc1 Qg5 (
17... Qf4 18. Bxc6 bxc6 19. Nc3 $11) 18. Ra2 (18. Be4 Qh6 $14) 18... Re6 19.
Rf1 (19. h4 Qg3 $14) 19... Bb6 (19... Red6 20. Ba1 $11) 20. Bc3 (20. Qc4 Ne5
21. Bxe5 Rxe5 $11) 20... Qb5 $11 21. Rh1 Ne5 (21... Rde8 22. Rd1 $11) 22. Bxe5
$14 (22. Bxb7 $4 Nd3+ 23. Qxd3 Qxd3 $19) 22... Qxe5 23. Bxb7 Bd4 (23... c6 24.
g4 $14) 24. Bf3 Rb8 25. Nc3 Reb6 26. Nd5 Rb5 27. Qe4 (27. Nxc7 $2 Rc5 28. Nd5
Bb2+ (28... Rxd5 $6 29. Bxd5 Qxd5 30. Re1 $11) 29. Kd1 Rxc2 30. Kxc2 Bxa3 $19)
27... Qd6 28. Qxd4 Rb1+ 29. Kc2 Rxh1 30. Qxa7 Re8 (30... Rd8 31. d4 $14) 31.
Rb2 (31. Nxc7 $4 Rc8 32. d4 Rxc7+ (32... Qxc7+ $6 33. Qxc7 Rxc7+ 34. Kd2 $15)
33. Qxc7 Qxc7+ 34. Kd3 Qc1 $19) (31. Qxc7 $6 Qxc7+ 32. Nxc7 Rc8 $11) 31... Rhe1
(31... Qg6+ 32. d3 Qh6 $16 (32... Rxh2 $4 33. Ne7+ (33. Nxc7 $6 Rd8 34. Qd4 Qg5
(34... Rxd4 $4 35. Rb8+ Rd8 36. Rxd8#) (34... Rxg2+ $2 35. Bxg2 Qxg2+ 36. Kb1
Qf1+ 37. Ka2 $18) 35. Qxd8+ Qxd8 $16) 33... Kh8 34. Nxg6+ hxg6 35. Qxc7 $18))
32. Qxc7 (32. Rb8 $142 $5 h6 33. d3 $16 (33. Nxc7 $143 Rxb8 34. Qxb8+ Kh7 $17))
32... Qxa3 $11 33. Nc3 R1e7 34. Qc6 (34. Qf4 Qa6 35. Be4 $16) 34... Re1 (34...
Re6 $5 35. Qd5 h6 $11) 35. Bd5 $16 Rf8 (35... Kh8 36. Rb1 R1e7 37. Bxf7 $18)
36. Bc4 (36. Rb7 Kh8 $16) 36... Kh8 (36... Ra1 $14) 37. Qa6 (37. Qc7 Re7 38.
Qf4 Qa8 $16) 37... Qc5 $11 38. Rb7 (38. Bd5 $11) 38... Ree8 (38... Qf5+ $5 39.
Bd3 Qh5 $14) 39. Qb5 $16 Qd6 40. Qd5 Qa3 (40... Qxh2 41. Rxf7 Qh4 42. Qe5 $16)
41. Nb5 (41. Rxf7 Rxf7 42. Qxf7 Rf8 $18) 41... Qa4+ 42. Bb3 Rc8+ 43. Kb2 (43.
Kb2 Qf4 44. Nd6 (44. Rxf7 Rxf7 45. Qxf7 Qxd2+ 46. Ka3 Qc1+ 47. Ka4 Qa1+ 48. Kb4
Qe1+ 49. Ka3 Ra8+ 50. Kb2 Qe2+ 51. Kc3 Qxb5 $19) 44... Qf6+ 45. Ka3 Ra8+ 46.
Kb4 $18) 1-0

[Event "EM/CL/Q21-4 ICCF Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "Lubas, Jozef"]
[Result "1/2-1/2"]
[PlyCount "50"]
[EventDate "2002.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Nc6 9. a3 Ba5 10. Be2 Bg4 11. O-O Qd6 12. Qb3 Rad8 13. d4 (13. Qxb7 $2 Rb8
14. Qa6 Rxb2 $19) 13... Qg6 14. Nh4 (14. Qxb7 $2 Rb8 15. Qa6 Rxb2 $19) 14...
Qh5 15. Bxg4 Qxg4 16. Nf3 (16. Qxb7 $2 Rd6 $19) 16... Re6 17. h3 (17. Qxb7 $4
Rg6 18. Nh4 Qxh4 $19) 17... Qh5 18. Rc1 (18. Qxb7 Rb8 19. Qa6 Nxd4 20. Qxa7
Nxf3+ 21. Kh1 Reb6 22. Qxa5 Rb5 $19) 18... Rf6 19. Nbd2 (19. Nc3 Bxc3 20. Bxc3
Rxf3 21. Qxb7 $19) 19... Rg6 $17 20. Qd3 (20. Qxb7 $2 Rb8 21. Qa6 Qxh3 $19)
20... Bxd2 21. Nxd2 Re8 22. Rc2 Qg5 {Threatening mate: Qxg2} 23. Qf1 a6 24.
Rac1 Qh6 25. Kh1 Rf6 1/2-1/2

[Event "corr WSTT/3/06/Semifinal"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Walker, John T"]
[Result "1-0"]
[WhiteElo "2070"]
[BlackElo "1940"]
[PlyCount "33"]
[EventDate "2008.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7.
cxd5 Qxd5 8. Nf3 Qf5 9. a3 Ba5 10. Be2 Qg6 11. Nh4 Qe4 $146 (11... Qh6 12. Nf3
Bf5 13. O-O Rad8 14. d4 Ne4 15. Bd3 Rfe8 16. Qc2 Bg6 17. Rd1 Rd6 18. Nc3 Bxc3
19. Bxc3 Ng5 20. Nxg5 Qxg5 21. Rab1 b6 22. f4 Bxd3 23. Qxd3 Qd5 24. Re1 Rdd8
25. e4 Qd6 26. Rb5 {pierre-Yousuf/chesshere.com 2006/1/2-1/2 (52)}) (11... Qh6
12. Nf3 $15) 12. Bxf6 $11 gxf6 13. Nf3 Qg6 14. Nc3 (14. O-O Bh3 15. Nh4 Qg5 $14
) 14... Rd8 $11 (14... Qxg2 $4 15. Rg1 Qg6 16. Qa4 $18) 15. Rc1 Kh8 (15... Ne5
16. O-O $14) 16. O-O $14 Rg8 17. g3 1-0

[Event "corr WSTT/3/06/Semifinal"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Yeung, Chun Keung"]
[Result "1-0"]
[WhiteElo "2070"]
[BlackElo "1640"]
[PlyCount "45"]
[EventDate "2008.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Nc6 6. Bb2 d5 7.
cxd5 Qxd5 8. Nf3 Ne4 (8... Qf5 9. a3 Ba5 10. Be2 Qg6 11. Nh4 Qh6 12. Nf3 Bf5
13. O-O Rad8 14. d4 Ne4 15. Bd3 Rfe8 16. Qc2 Bg6 17. Rd1 Rd6 18. Nc3 Bxc3 19.
Bxc3 Ng5 20. Nxg5 Qxg5 21. Rab1 b6 22. f4 Bxd3 23. Qxd3 {
pierre-Yousuf/chesshere.com 2006/1/2-1/2 (52)}) 9. Be2 Rd8 10. a3 $146 (10. O-O
Nxd2 11. Nbxd2 Bxd2 12. Qa4 Qa5 13. Qb3 Be6 14. Bc4 Bxc4 15. Qxc4 Bb4 16. Rfd1
Qc5 17. Qe4 Qh5 18. Qc4 a6 19. Qb3 Qb5 20. h3 Be7 21. Qc2 Rxd1+ 22. Rxd1 Rd8
23. Rxd8+ Bxd8 24. Bc3 Be7 {pierre (2055)-Ashwad (1850)/chesshere.com 2006 (57)
}) 10... Ba5 11. O-O Bxd2 12. Qc2 Bf5 13. Nbxd2 Nxd2 14. Qc3 Nxf3+ $4 (14... f6
$142 15. Rfd1 Nxf3+ 16. Bxf3 Qe6 $11) 15. Bxf3 $18 Qe5 16. Qxe5 Nxe5 17. Bxe5
c6 18. Rfd1 (18. Bd4 Rd7 $18) 18... f6 (18... Re8 19. Bd4 $18) 19. Bd4 Rd7 (
19... Kf7 20. Rac1 $18) 20. Bc5 Rad8 (20... Kf7 21. Rxd7+ Bxd7 22. Rd1 $18) 21.
Bxa7 Bc2 (21... Rd2 22. Bd4 Rc2 23. g4 $18) 22. Rd4 Rxd4 23. exd4 1-0

[Event "corr EM/H/067 ICCF Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Lacrosse, Marc"]
[Result "1/2-1/2"]
[PlyCount "53"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Nc6 9. a3 Ba5 10. Be2 Bg4 11. O-O Qe7 12. Qa4 Bd7 13. Qb3 Nb6 14. d4 Be6
15. Qc2 Rad8 16. Bd3 h6 17. Nbd2 $146 (17. Rc1 Bg4 18. Nbd2 Nd5 19. Bb5 Bd7 20.
Nc4 Bb6 21. Ba4 Nf6 22. Rab1 Ne4 23. d5 Na5 24. Bxd7 Qxd7 25. Nfe5 Qxd5 26. Rd1
Qe6 27. Rxd8 Rxd8 28. Nxa5 Bxa5 29. Qxe4 f6 30. Qa4 {
1-0 b4_player-opponent/gamecolony.com 2007}) 17... Nb8 (17... Bxd2 $5 18. Nxd2
Nd5 $14) 18. Nb3 $16 Bxb3 19. Qxb3 c6 20. Rfd1 Nd5 21. Rab1 Bc7 22. Bf5 (22.
Qxb7 $4 Bxh2+ 23. Kxh2 Qxb7 $19) 22... b6 23. Rbc1 Nf6 (23... Qf6 24. Qc2 $18)
24. Bd3 (24. e4 Bf4 (24... Nxe4 $2 25. Re1 Nd2 26. Nxd2 (26. Rxe7 $6 Nxb3 27.
Rxc7 Nxc1 28. Bxc1 Rxd4 $11) 26... Qxe1+ 27. Rxe1 Rxe1+ 28. Nf1 $18) 25. Rc3 g6
(25... Nxe4 26. Re1 $18) 26. Bxg6 Qe6 $18) 24... Ne4 25. Qc2 a6 (25... Rd5 26.
g3 $18) 26. a4 Nf6 27. Bf5 1/2-1/2

[Event "KE04 NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "van Daatselaar, Jan Bart"]
[Black "Vermeulen, Jacques"]
[Result "1-0"]
[WhiteElo "2200"]
[BlackElo "2270"]
[PlyCount "77"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 e4 3. c4 Nf6 4. a3 c5 5. b5 d5 (5... b6 6. Nc3 Bb7 7. d3 Be7 8.
dxe4 O-O 9. e5 Ng4 10. Nd5 d6 11. Nxe7+ Qxe7 12. Qxd6 Qg5 13. Nf3 Bxf3 14. exf3
Rd8 15. h4 Qf4 16. Qxd8# {1-0 pierre-well_done/chesshere.com 2008}) 6. e3 $146
(6. cxd5 Qxd5 7. Bxf6 gxf6 8. Nc3 Qe5 9. e3 f5 (9... Be6 10. Nge2 c4 11. Nd4
Nd7 12. a4 Nc5 13. Nxe6 Qxe6 14. f3 f5 15. f4 Bg7 16. Ra3 O-O 17. Be2 Nd3+ 18.
Bxd3 cxd3 19. Qb3 Rac8 20. Qxe6 fxe6 21. Kf2 Bxc3 22. dxc3 Rc4 23. Rc1 Rfc8 24.
Ke1 {Gottert,H-Turcan,M (2210)/Sala op Slovakia 1994/0-1 (50)}) 10. Rc1 f4 11.
exf4 Qxf4 12. Qa4 Qe5 13. Qxe4 Qxe4+ 14. Nxe4 Nd7 15. Nf3 Rg8 16. Ne5 Be7 17.
f4 b6 18. Rc3 Bb7 19. Re3 Nxe5 20. fxe5 O-O-O {
b4_player-opponent/gamecolony.com 2007/1-0 (66)}) 6... d4 7. exd4 cxd4 8. d3 e3
(8... Bc5 9. dxe4 Nxe4 10. Bd3 $11 Qe7 11. Qe2 Bf5) 9. fxe3 dxe3 10. Nf3 (10.
Qf3 Bc5 $11 11. Ne2 Bb6) (10. Qe2 Ng4 11. Nf3 Bf5) 10... Bd6 11. Be2 O-O 12.
O-O Re8 13. d4 Bg4 14. Nc3 b6 15. h3 (15. Ne5 Bxe5 16. dxe5 Qxd1 17. Raxd1 Bxe2
18. Nxe2 Ne4 $16) 15... Bh5 (15... Bc8 16. Bd3 Bg3 17. Qc2 $14) 16. g4 Nxg4 (
16... Bg6 $5 $14) 17. hxg4 $16 Bxg4 18. Bd3 f5 19. c5 $1 bxc5 20. dxc5 (20.
Bc4+ Kh8 21. Bf7 Re7 $16) 20... Bxc5 $14 21. Ne2 Nd7 22. Qc2 Rf8 23. Nh2 Qg5
24. Qc4+ (24. Nxg4 $6 Qxg4+ 25. Kh1 Qh3+ 26. Kg1 Qg4+ 27. Kh1 Qh5+ 28. Kg2 Bd6
$11) 24... Kh8 25. Nxg4 fxg4 (25... Qxg4+ 26. Qxg4 fxg4 27. Rf5 Rxf5 28. Bxf5
$16) 26. Qe4 (26. Rad1 Rad8 $16) 26... Qh4 $14 27. Rad1 Rxf1+ 28. Rxf1 Rf8 29.
Rxf8+ (29. Rf4 Rxf4 30. Qxf4 h6 $14) 29... Nxf8 30. Qg2 h5 (30... Ne6 31. Bc4
Qe1+ 32. Qf1 Qxf1+ 33. Kxf1 $16) 31. Kf1 $16 Bb6 (31... Qh3 32. Qxh3 gxh3 33.
Nf4 $16) 32. Ng3 Ne6 33. Be5 Qd8 34. Qe4 Qf8+ 35. Qf5 Qxf5+ 36. Nxf5 Nc5 (36...
Bc7 37. Bxc7 Nxc7 38. Nxe3 $18) 37. Bc2 Ne6 38. a4 Ng5 (38... Bc5 39. Ke2 $18)
39. Bxg7+ (39. Bxg7+ Kg8 40. Bh6 $18) 1-0

[Event "corr ICCF EM/CL/Q21-4 Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Lucena Cifre, Rafael"]
[Result "1/2-1/2"]
[PlyCount "73"]
[EventDate "2002.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 a6 4. a4 Be7 5. e3 O-O 6. Nf3 axb5 7. axb5 Rxa1 8.
Bxa1 d5 9. c4 c5 10. Bd3 (10. Be5 Nbd7 11. Bc3 (11. Bg3 b6 (11... dxc4 12. Bxc4
Nb6 13. d3 Bd6 14. Nbd2 Nxc4 $11 {-0.06/9}) (11... Ne4 12. Qc2 Nxg3 13. hxg3 h6
14. Nc3 Nb6 $15 {-0.41/10}) (11... Nh5 12. d4 cxd4 13. Qxd4 Qa5+ 14. Nbd2 dxc4
$15 {-0.50/8}) (11... Re8 12. d3 Nh5 13. d4 cxd4 14. Qxd4 Qa5+ $15 {-0.44/8}) (
11... Qa5 12. Nc3 Ne4 13. Qa4 Qxa4 14. Nxa4 Nxg3 $11 {-0.22/10}) (11... Qb6 12.
Nc3 Rd8 13. Be2 dxc4 14. Qc2 Nh5 $15 {-0.28/9}) 12. Nc3 Bb7 13. d3 Qa8 14. Be2
d4 $15 {-0.59/9}) (11. Bb2 b6 (11... Qc7 12. cxd5 Nxd5 13. Nc3 Nb4 14. Be2 Rd8
$15 {-0.28/10}) (11... Bd6 12. d4 cxd4 13. Bxd4 Qc7 14. cxd5 Nxd5 $15 {-0.34/9}
) (11... Re8 12. d4 cxd4 13. Bxd4 Qc7 14. Qc2 e5 $15 {-0.47/7}) (11... dxc4 12.
Bxc4 Nb6 13. d3 Nxc4 14. dxc4 Qa5+ $11 {-0.22/10}) (11... Qa5 12. Qc2 Rd8 13.
Bd3 dxc4 14. Bxc4 Nb6 $11 {-0.19/9}) (11... Nb6 12. d3 Bd6 13. Be2 Re8 14. O-O
e5 $11 {-0.13/10}) 12. Nc3 Bb7 13. d4 cxd4 14. Qxd4 dxc4 $15 {-0.50/9}) (11. d4
Nxe5 (11... Qa5+ 12. Qd2 Qa4 13. Qd1 Qxd1+ 14. Kxd1 Nxe5 $11 {-0.22/9}) (11...
Ne4 12. Bd3 Qa5+ 13. Nbd2 Nxe5 14. dxe5 Nc3 $15 {-0.38/9}) (11... b6 12. Bd3
dxc4 13. Bxc4 Bb7 14. Nbd2 Nxe5 $15 {-0.31/8}) 12. dxe5 Ne4 13. Bd3 Qa5+ 14.
Nbd2 Nc3 $15 {-0.38/8}) (11. Bf4 Nh5 (11... b6 12. Nc3 Bb7 13. Bg3 Ne4 14. Bd3
Nxc3 $15 {-0.50/8}) (11... dxc4 12. Bxc4 Nb6 13. Qb3 Nfd5 14. Bg3 Nxc4 $15 {
-0.56/10}) (11... Re8 12. d3 Nh5 13. Be5 Nxe5 14. Nxe5 Qa5+ $15 {-0.69/10}) 12.
Be5 Nxe5 13. Nxe5 Nf6 14. Be2 Bd6 $17 {-0.72/9}) 11... Ne4 (11... Qb6 12. Be2
Ne4 13. O-O Nxc3 14. Nxc3 d4 $11 {-0.19/12}) (11... Qc7 12. Qc2 Qd6 13. d4 cxd4
14. Nxd4 Nc5 $11 {-0.25/9}) (11... Bd6 12. d4 Nb6 13. Nbd2 Bd7 14. Ne5 cxd4 $11
{-0.16/7}) 12. Qc2 Ndf6 13. Bd3 b6 14. Be5 Bb7 $15 {-0.34/9}) 10... Nbd7 (10...
dxc4 11. Bxc4 Nbd7 (11... b6 12. d4 Ne4 13. O-O Bb7 14. Nc3 Qd6 $11 {0.12/3}) (
11... Nd5 12. O-O Nd7 13. d3 Bd6 14. Qc2 N7b6 $11 {0.06/4}) (11... Ne4 12. O-O
Nd6 13. d3 Nxc4 14. dxc4 Nd7 $11 {0.06/9}) (11... Bd7 12. O-O Ne4 13. Nc3 Nd6
14. Be2 Qb6 $11 {0.12/9}) (11... Bd6 12. d4 Nd5 13. Bxd5 exd5 14. dxc5 Bxc5 $11
{0.09/4}) 12. O-O b6 13. Qe2 Bd6 14. e4 Bf4 $11 {0.00/9}) 11. Qc2 (11. O-O Nb6
(11... dxc4 12. Bxc4 Nb6 13. d3 Bd6 14. Be5 Nfd5 $11 {0.00/3}) 12. cxd5 Qxd5
13. Qc2 c4 14. Bxf6 cxd3 $15 {-0.56/2}) 11... dxc4 12. Bxc4 Nb6 13. Be2 (13. d4
Nxc4 14. Qxc4 cxd4 $15 {-0.41/2}) 13... Nbd5 (13... Bd6 14. d4 cxd4 $11 {
-0.13/2}) 14. O-O Qa5 (14... Nb4 $11 {-0.22/3}) 15. Nc3 Bd7 16. Ne5 Nb4 17. Qb3
Ra8 18. Nxd7 Nxd7 19. Bb2 Qc7 (19... Qd8 20. Rd1 $11) 20. Ne4 Nd5 21. Rc1 (21.
d4 b6 $11) 21... N7f6 (21... Bd6 22. Nxd6 Qxd6 23. Qc4 $11) 22. Nxc5 Bxc5 23.
d4 b6 (23... Nd7 24. Bf3 Qd6 25. dxc5 Nxc5 26. Qd1 $16) 24. Bf3 Rc8 25. e4 Nb4
26. dxc5 bxc5 27. Qe3 Qe7 28. Be2 Nd7 29. Rd1 Ra8 30. Qg3 e5 31. Rxd7 Qxd7 32.
Qxe5 f6 33. Qxc5 Qd2 34. Qc4+ Kh8 35. Bc3 Qa2 (35... Qc2 36. Bf1 Na2 37. Be1
$16) 36. Qxa2 (36. Qxb4 $143 Qxe2 37. h3 Qd1+ 38. Kh2 Re8 $14) 36... Nxa2 37.
Bd2 1/2-1/2

[Event "Netherlands email ch KE05"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Stuart, A.J.(Toon)"]
[Result "1/2-1/2"]
[WhiteElo "2185"]
[BlackElo "2335"]
[PlyCount "60"]
[EventDate "2002.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Be7 6. Nf3 c5 7. Nc3 Nc6 8.
Bxf6 Bxf6 9. Rc1 d6 10. Be2 (10. Nd5 Bf5 11. d4 Qa5+ 12. Qd2 Bd8 13. Rc3 Qa6
14. Rb3 cxd4 15. exd4 Ba5 16. Nc3 Rae8+ 17. Be2 Qxc4 18. O-O Rxe2 19. Qxe2 Bd3
20. Qe1 d5 21. Qc1 Bxf1 22. Qxf1 Bxc3 23. Qxc4 dxc4 24. Rxc3 b5 {
GNUChess-GNUChess/0-1 (64)}) 10... Bf5 $146 (10... Be6 11. O-O Rc8 12. Qc2 h6
13. a3 Re8 14. d3 Bxc3 15. Qxc3 b6 16. Rfd1 d5 {
1/2-1/2 Smyslov,V-Adorjan,A/Wijk aan Zee 1972}) 11. O-O Bxc3 12. Rxc3 Re8 13.
Bd3 Bg4 14. h3 Bh5 15. Qb1 Bxf3 16. gxf3 Qg5+ 17. Kh2 Qh5 18. f4 Re7 19. Be4
Rae8 20. d3 f5 21. Bd5+ Kh8 22. Rb3 Nb4 23. Bg2 b6 24. a3 Na6 25. Qd1 Qf7 26.
Rb1 Nb8 27. Bd5 Qf6 28. Qa4 Rf8 29. Rg1 Qh4 30. Rbf1 Qh6 1/2-1/2

[Event "Netherlands email ch KE04"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Thorn Leeson, John"]
[Result "1/2-1/2"]
[PlyCount "56"]
[EventDate "2001.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Nf3 Bf5 8.
d3 e6 9. e4 $146 (9. g3 Nf6 10. Bg2 Be7 11. O-O Nbd7 12. Nbd2 Bg6 13. h3 h6 14.
Qa4 O-O 15. Bb2 Qc7 16. c4 e5 17. b5 e4 18. Nh4 e3 19. Nxg6 fxg6 20. fxe3 Qxg3
21. Rf3 Qe1+ 22. Nf1 Qxe2 23. bxc6 bxc6 {
Golyak,I (2325)-Knaak,R (2520)/Leipzig SG 1977/0-1 (35)}) (9. Nbd2 Nf6 10. Nh4
Bg6 (10... Bg4 11. h3 Bh5 12. g4 Bg6 13. Qa4 Bd6 14. e3 O-O 15. g5 Bh5 16. Be2
Bxe2 17. Kxe2 Ne8 18. Qa5 Qxa5 19. bxa5 Bc7 20. Rb1 Nd6 21. c4 Nd7 22. Bc3 Ra8
23. Ra1 dxc4 24. dxc4 Nc5 25. f3 {
Benassi,A-Luzuriaga,N/Orang-Utan Invitational 2001/1/2-1/2 (64)}) 11. Nxg6 hxg6
12. e3 Bd6 13. h3 Nbd7 14. Be2 g5 15. e4 Bf4 16. exd5 cxd5 17. Nb3 O-O 18. g3 {
pcmvr-Steinutz/ChessWorld.net 2002}) 9... dxe4 10. dxe4 Bxe4 11. Nbd2 Bg6 12.
Be2 Nf6 13. O-O Be7 14. Nh4 Qc7 15. Re1 O-O 16. Nxg6 hxg6 (16... fxg6 $143 17.
Bc4 $14) 17. Qb3 b5 18. c4 bxc4 19. Bxc4 Bd6 20. Nf3 Nbd7 21. Bxe6 fxe6 22.
Qxe6+ Rf7 23. Ng5 Nf8 (23... Bxh2+ $2 24. Kh1 Nf8 25. Qxf7+ Qxf7 26. Nxf7 Kxf7
27. Kxh2 $18) 24. Qxf7+ Qxf7 25. Nxf7 Kxf7 26. Rc1 Bxb4 27. Rxc6 Ne6 28. Kf1
Bc5 1/2-1/2

[Event "WS TT/4 Sokolsky email"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Luzuriaga"]
[Black "Van Daatselaar, Jan Bart"]
[Result "1/2-1/2"]
[WhiteElo "2375"]
[BlackElo "2230"]
[PlyCount "66"]
[EventDate "2006.??.??"]

1. b4 e5 2. a3 a5 3. b5 d5 4. Bb2 Nd7 5. Nf3 (5. c4 dxc4 6. e3 Ngf6 7. Bxc4 Nb6
8. Ba2 Bg4 9. f3 Bd7 10. Bxe5 Bxb5 11. Nc3 Ba6 12. Qb3 Qd7 13. Nge2 Nc4 14. Bd4
c5 15. Bxf6 Qxd2+ 16. Kf1 gxf6 17. Qa4+ b5 18. Nxb5 Nxe3+ 19. Kf2 Bh6 {
Fournier,F (2390)-Muminovic,S (2365)/chess.com (team) 2009/1/2-1/2}) 5... e4 (
5... Ngf6 6. Nxe5 Nxe5 7. Bxe5 Bd6 8. Bxd6 Qxd6 9. e3 O-O 10. Be2 d4 11. O-O
Be6 12. c3 d3 13. Bf3 Nd7 14. Bxb7 Rab8 15. Bc6 Ne5 16. a4 Nxc6 17. bxc6 Rb3
18. Na3 Rxa3 19. Rxa3 Qxa3 20. Qb1 {
ferminkatcho (1795)-loveline (1970)/kurnik 2012/0-1}) 6. Nd4 Nb6 7. Nc3 $146 (
7. e3 Na4 8. Qc1 Nxb2 9. Qxb2 Bc5 10. Nc3 Nf6 11. Be2 a4 12. d3 O-O 13. O-O Qe7
14. dxe4 dxe4 15. Rfd1 Qe5 16. Qa2 Bd6 17. g3 Qc5 18. Qc4 Re8 19. Qxc5 Bxc5 20.
Rd2 Bb6 21. Na2 Ba5 {gavandeli (1840)-avenger1 (1820)/kurnik 2011/1-0 (59)})
7... Bd6 8. e3 Nf6 9. Be2 Bd7 10. O-O O-O 11. d3 Qe7 12. g3 Rad8 13. a4 Bb4 14.
Qd2 c6 15. bxc6 bxc6 16. Qc1 c5 17. Ndb5 exd3 18. cxd3 d4 $1 19. Na2 (19. exd4
Bxb5 {Decoy}) 19... Nxa4 20. Nxb4 Bxb5 (20... cxb4 $6 21. Rxa4 Bxb5 22. Rxa5
$14) (20... Nxb2 $6 21. Nc2 Rb8 22. Qxb2 Rxb5 23. Qc1 $17) 21. Nc2 Nd5 22. Re1
dxe3 23. Nxe3 Nxe3 24. Bf1 Rfe8 (24... Bxd3 25. Rxe3 Qb7 26. Rxa4 Bxf1 27. Kxf1
Qb5+ 28. Rc4 $16) (24... Nxb2 $6 25. Qxb2 Qd7 26. Rxe3 $17) 25. Rxe3 Qd6 26.
Ba3 Qd5 27. Re4 Bc6 28. Qc4 Rxe4 29. Qxd5 Bxd5 30. dxe4 Bxe4 31. Bc1 Bc6 32.
Bf4 Rd7 33. Bg2 Bb5 1/2-1/2

[Event "ICCF Jubilee P014 email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Baumann, Ralf Ruediger"]
[Result "1/2-1/2"]
[BlackElo "2330"]
[PlyCount "51"]
[EventDate "2001.??.??"]

1. b4 {A00: Irregular Openings} e5 2. Bb2 d6 3. c4 Nf6 4. e3 Be7 5. Nf3 O-O 6.
Be2 Re8 7. d4 e4 8. Nfd2 Bf8 9. Nc3 c6 10. O-O d5 11. Qb3 Be6 12. b5 $146 (12.
cxd5 cxd5 13. b5 Nbd7 14. Rfc1 Bd6 15. Nf1 h5 16. a4 Nf8 17. Ba3 Bc7 18. Qd1 h4
19. f4 exf3 20. Bxf3 h3 21. Qe2 N8h7 22. Qf2 Ng5 23. Ng3 Rc8 24. Nce2 hxg2 25.
Bxg2 Ng4 {0-1 Koerner,H (2060)-Hickl,J (2540)/Berliner Sommer 1998}) 12... Nbd7
13. Ba3 (13. bxc6 bxc6 14. Qa4 Bd6 $11) 13... dxc4 14. Bxc4 (14. Nxc4 $143 cxb5
15. Nxb5 a6 $17) 14... c5 (14... Bxa3 15. Qxa3 Bxc4 16. Nxc4 $11) 15. Ne2 (15.
Bxe6 Rxe6 16. Rad1 Re8 $11) 15... cxd4 (15... Rc8 16. Rac1 $11) 16. Bxe6 Rxe6
17. Nxd4 Re5 18. Bxf8 Qxf8 19. Rfd1 (19. Rad1 Nc5 20. Qc3 Rd5 $11) 19... Nc5
20. Qc3 (20. Qc2 Rd5 $11) 20... Rd5 21. Rac1 (21. N2b3 Nd3 $11) 21... Ng4 (
21... Rad8 22. Qa5 $11) 22. Rc2 (22. f3 exf3 23. gxf3 Nxh2 $17) 22... Qe8 (
22... Qd6 23. Nf1 Rd8 24. Nf5 $11) 23. Nc4 Qb8 24. f4 Qd8 (24... Nd3 25. h3 Nf6
26. Nd2 $11) 25. h3 (25. Rcd2 Qf6 26. h3 Nh6 $11) 25... Nf6 26. Na5 1/2-1/2

[Event "NED-ch05 email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Van Unen, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2185"]
[BlackElo "2370"]
[PlyCount "83"]
[EventDate "2002.??.??"]

1. b4 c6 2. Bb2 Qb6 3. a3 a5 4. c4 d6 5. Nc3 Nf6 6. Nf3 $146 (6. b5 g6 7. Rb1
Bg7 (7... Qd8 8. g3 Bg7 9. Bg2 O-O 10. Nf3 d5 11. bxc6 bxc6 12. O-O Ba6 (12...
Na6 13. cxd5 cxd5 14. d3 Bd7 15. d4 Nc7 16. Qd2 Bf5 17. Rbd1 a4 18. Ne5 Qd6 19.
Rfe1 Ne4 20. Nxe4 Bxe4 21. f3 Bf5 22. e4 Bc8 23. f4 Rb8 24. Rc1 Bb7 25. Rc5
Rfd8 26. Qc2 Rdc8 27. Nc6 {marnzell-arturo/ChessWorld.net 2011/0-1 (36)}) 13.
cxd5 cxd5 14. d3 Nc6 15. Qa4 Rc8 16. Rfc1 e6 17. Nd1 Qd7 18. Bc3 h6 19. Bxa5
Nxa5 20. Qxa5 Rxc1 21. Rxc1 Qb5 22. Qxb5 {
Yudasin,L (2575)-Epishin,V (2550)/New York op 1990/1/2-1/2 (34)}) 8. e4 O-O 9.
Nf3 Nbd7 10. d4 c5 11. d5 Qd8 12. Bd3 e6 13. O-O exd5 14. exd5 Ng4 15. Re1 Nge5
16. h3 Nxf3+ 17. Qxf3 Ne5 18. Qe2 Bxh3 19. gxh3 Qg5+ 20. Kh1 Rae8 {
Van Rooijen,P (1640)-Becker,A (2045)/IECG 2000/1/2-1/2 (31)}) (6. d4 axb4 7.
Qb3 c5 8. dxc5 dxc5 9. Na4 Qa5 10. axb4 Qxb4+ 11. Qxb4 cxb4 12. Nf3 Ra6 13. e3
e6 14. Nd4 Be7 15. c5 Ra8 16. Bb5+ Bd7 17. O-O O-O 18. Rfe1 Ra5 19. Bxd7 Nfxd7
20. Nb3 Ra6 {Rosario,J (1970)-Luch,M (2385)/Tch-POR 1st Div Final 2010/0-1 (40)
}) (6. e3 axb4 7. Na4 Qc7 8. axb4 e5 9. Nf3 Be7 10. Be2 O-O 11. O-O h6 12. b5
cxb5 13. cxb5 Bf5 14. d4 Nbd7 15. Rc1 Qb8 16. Nd2 Be6 17. Re1 Rc8 18. Rxc8+
Qxc8 19. e4 exd4 20. Bxd4 Bd8 {
Rooijen Van,P (1655)-Retamoza,F (2240)/BI-2007-P-00005 2007/0-1 (37)}) 6...
axb4 7. axb4 Rxa1 8. Qxa1 Qxb4 9. e3 e5 10. Bd3 Be7 11. O-O O-O 12. Rb1 Qb6 13.
Bc2 Re8 14. d4 exd4 15. exd4 Qa6 16. Qxa6 Nxa6 17. Ba3 Nc7 18. h3 Bf8 19. Bd3
Ne6 20. Bc1 g6 21. Be3 Bg7 22. Bc2 Kf8 23. Ra1 h6 24. Rd1 {White intends d5}
Ke7 25. d5 cxd5 26. cxd5 Nc7 27. Bb6 Na6 28. Bd4 Nh5 29. Bxg7 Nxg7 30. Re1+ Kf8
31. Rb1 Nc5 32. Nb5 Rd8 33. Nd2 Ne8 34. Nc4 {
Exerts pressure on the isolated pawn} Bd7 35. Nbxd6 Nxd6 36. Nxd6 Ba4 37. Bxa4
{Exerts pressure on b7} Rxd6 38. Bc2 Rxd5 39. Rb5 g5 40. g3 Ke7 41. Kg2 Kd6 42.
Rb6+ 1/2-1/2

[Event "KE05 NBC Email"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Van der Houwen, Piet J"]
[Result "0-1"]
[WhiteElo "2185"]
[BlackElo "2350"]
[PlyCount "86"]
[EventDate "2003.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7. cxd5 Nxd5 8.
Nf3 Bf5 9. Be2 Re8 10. O-O Qd7 11. a3 (11. d4 Rad8 12. Qb3 b6 13. Ba3 a5 14.
Bxb4 Ncxb4 15. a3 Nc6 16. Nc3 Nxc3 17. Qxc3 Ne7 18. Rac1 Nd5 19. Qb3 Be6 20.
Bb5 Qd6 21. Bxe8 Nxe3 22. Qxe3 Rxe8 23. Qc3 Re7 24. Rfe1 h6 25. Ne5 Bd5 {
bananinha-jery68 (1850)/kurnik 2012/0-1 (55)}) 11... Bd6 12. d4 $146 (12. d3
Qe6 13. Re1 Qg6 14. Qb3 Nb6 (14... Bh3 15. Bf1 Nb6 16. Qc2 Rad8 17. Nbd2 Bf5
18. Nh4 Qh5 19. Nhf3 Bg4 20. Rab1 Re7 21. d4 Rde8 22. Bd3 f6 23. e4 Bf4 24. h3
Bd7 25. d5 Nd8 26. Bd4 Nf7 27. Rbc1 Ng5 28. Be3 Nxf3+ 29. Nxf3 {
Pierred (2195)-Misanthropos (2505)/Rated game, 5m + 0s 2005/0-1 (106)}) 15.
Nbd2 Rad8 16. Nh4 Qh6 17. Nhf3 Bg4 18. d4 Qh5 19. h3 Be6 20. Qc2 Ne7 21. e4 Ng6
22. Ne5 Qh6 23. Ng4 Qg5 24. d5 Bxg4 25. Bxg4 Ne5 26. Bxe5 Qxe5 {
marekt-aspasiochess/ChessWorld.net 2004/1/2-1/2}) 12... Rad8 13. Nh4 Be6 14.
Bd3 Nce7 15. Qc2 Bh3 (15... f5 16. Rc1 $11) 16. Nc3 (16. gxh3 $143 Qxh3 17.
Bxh7+ Kf8 $19) (16. Bxh7+ $6 Kh8 17. Nc3 Qg4 $15) 16... Nxc3 17. Bxc3 (17. Qxc3
$143 Qg4 18. d5 Nxd5 19. Qxg7+ Qxg7 20. Bxg7 Kxg7 21. gxh3 Kf6 $17) (17. Bxh7+
$6 Kf8 18. Bxc3 g6 $11) 17... Qg4 18. Bxh7+ Kf8 19. Be4 Qxh4 20. gxh3 Qxh3 21.
f3 c6 22. Rf2 Nd5 23. Bd2 Re7 24. Rb1 g6 25. Rg2 Rde8 26. a4 Kg7 27. a5 Rh8 28.
a6 Bxh2+ 29. Kf2 b6 30. Ra1 (30. Qxc6 $142 $5 Nf6 31. Bd3 $15) 30... Re6 $17
31. Rc1 Rh5 32. Bxd5 cxd5 33. Qd1 b5 34. Rc5 Rxa6 35. Rxb5 Rf5 36. Ra5 Rb6 (
36... Qh4+ 37. Ke2 Rxa5 38. Bxa5 Rxf3 39. Kxf3 Qh5+ 40. Rg4 $19) 37. Bc1 Qh4+
38. Ke2 Rxf3 $1 39. Qc2 (39. Kxf3 Qh5+ {Skewer}) 39... Qh3 40. Kd3 Bf4 41. Re2
Qe6 42. Rc5 Rb1 $1 43. Rc6 (43. Qxb1 Qf5+ {Double attack} (43... Qf5+ {Decoy}))
43... Qe4+ (43... Qe4+ 44. Kc3 Rxc1 45. Qxc1 Bxe3 $19) 0-1

[Event "WSTT/3/06/4 - Sokolsky Opening, A00"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Luzuriaga"]
[Result "0-1"]
[WhiteElo "2230"]
[BlackElo "2375"]
[PlyCount "94"]
[EventDate "2006.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Na6 6. b5 (6. c3
Nf6 (6... d5 7. e3 e5 8. Bxa6 bxa6 9. Nf3 e4 10. Nd4 Qc7 11. Qa4 Bb7 12. Na3
Nf6 13. c4 Be7 14. cxd5 Nxd5 15. O-O O-O 16. Nf5 Bf6 17. Bxf6 Nxf6 18. Qc2 Qe5
19. Ng3 h5 20. Nc4 Qe6 21. Na5 {
bluepiramid2 (1675)-2606cs (1815)/kurnik 2012/0-1 (70)}) 7. Nf3 g6 8. e3 Bg7 9.
d4 O-O 10. Nbd2 d5 11. Bd3 Qb6 12. O-O Be6 13. Bb2 c5 14. Bxa6 cxd4 15. Be2
dxe3 16. fxe3 Qxe3+ 17. Kh1 Ng4 18. Qe1 Bxc3 19. Bxc3 Qxc3 20. h3 Ne3 {
pcmvr (2845)-boeien (2780)/net-chess.com 2011/1/2-1/2}) 6... cxb5 7. e4 Qa5
$146 (7... Nc7 8. Nc3 b4 9. Nb5 Nf6 10. Bxf6 exf6 11. Nf3 Be7 12. h3 O-O 13.
Nxc7 Qxc7 14. Bb5 d5 15. exd5 Bf5 16. Ba4 Rc8 17. d3 Qc3+ 18. Kf1 Ra8 19. Qe2
Bf8 20. g4 Rxa4 21. gxf5 b3 22. cxb3 {mrkt-nordlicht/gameknot.com 2001/0-1}) 8.
Nc3 b4 9. Nd5 Nf6 10. Nxf6+ gxf6 11. Ne2 Nc5 12. Ng3 h5 13. h4 (13. Nxh5 $2
Rxh5 14. e5 fxe5 15. Qxh5 Qxa1+ 16. Qd1 Qxd1+ 17. Kxd1 Ne4 $19) 13... Rg8 14.
Be2 Rxg3 15. fxg3 Nxe4 16. Bd3 (16. Bxh5 Bh6 17. g4 Bxd2+ 18. Ke2 Qc5 $19)
16... d5 17. O-O Nxg3 18. Rf2 Qa7 19. Qe1 Ne4 20. Bxe4 dxe4 21. Bb2 Qa2 22. Qa1
Qa6 23. Qe1 Qc6 24. d4 exd3 25. cxd3 e5 26. d4 e4 27. Re2 f5 28. Qg3 Be6 29.
Qe5 Bd6 30. Qh8+ Kd7 31. Qxh5 Qc4 32. Re1 Qd3 33. d5 Qxd5 34. Rd1 Qc5+ 35. Bd4
Qb5 36. Rd2 b3 37. Qh8 f4 38. Be5 Qc5+ 39. Kh2 Bd5 40. Qh5 Kc6 41. Rd1 (41. Qh8
e3 42. Qe8+ Kb6 43. Qd8+ Qc7 44. Qxc7+ Kxc7 45. Rxd5 Bxe5 46. Kg1 $19) 41... f3
$19 42. Bxd6 Qxd6+ (42... Kxd6 $6 43. Qxf7 fxg2 44. Qg6+ Kc7 45. Qxg2 $17) 43.
g3 Qc5 44. Qh6+ Kb5 45. Qg5 Bc6 46. Qd2 Qc2 47. Qxc2 bxc2 (47... bxc2 48. Ra1
e3 $19) 0-1

[Event "NED KW-A email"]
[Site "?"]
[Date "2007.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Van Gool, Jeroen JW"]
[Result "1/2-1/2"]
[WhiteElo "2200"]
[BlackElo "2030"]
[PlyCount "65"]
[EventDate "2007.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Nc6 6. Bb2 d5 7. cxd5 Nxd5 8.
Nf3 Re8 9. a3 Bd6 (9... Bf8 10. Be2 Qd6 11. Qc2 Qh6 12. d4 Bd6 13. Nbd2 Bg4 14.
Nc4 Rad8 15. h3 Bf4 16. O-O-O Bh5 17. exf4 Nxf4 18. Ne3 Nxg2 19. Rhf1 Nxe3 20.
fxe3 Qxe3+ 21. Rd2 Qh6 22. Kb1 Bg6 23. Bd3 Qxh3 24. Rff2 {
Boehnke,H (2175)-Henrich,G (2315)/RSX - FSO1 remoteschach.de 2005/1/2-1/2}) (
9... Be7 10. h3 Bf6 11. Bxf6 Qxf6 12. d4 Bf5 13. Bc4 Rad8 14. O-O Be4 15. Nfd2
Bg6 16. Bxd5 Rxd5 17. Nc3 Rdd8 18. Qb3 b6 19. Nd5 Qd6 20. Nf4 Na5 21. Qc3 Bf5
22. Rfc1 Rc8 23. Nc4 Nxc4 24. Qxc4 {
vihavald (1700)-lakyluciano/kurnik 2011/1-0 (41)}) 10. d4 $146 (10. h3 Bd7 11.
Bc4 Nb6 12. Ba2 Be6 13. Bxe6 Rxe6 14. Qb3 Rg6 15. g4 Na5 16. Qb5 Nbc4 17. Bc3
c6 18. Qf5 Bc7 19. g5 Nb3 20. h4 Qc8 21. Qd3 Qg4 22. Ke2 Rd8 23. Qc2 Nxa1 24.
Bxa1 Rgd6 {Gedigk,D-Landgraf,M/corr SOK-90-53 1990/0-1}) (10. Bc4 Be6 11. Qc2
Nf4 12. Kf1 Bxc4+ 13. Qxc4 Ng6 14. d4 Nh4 15. Nbd2 Nxf3 16. Nxf3 Qf6 17. Kg1
Qf5 18. h4 Ne7 19. h5 h6 20. Re1 Qd5 21. Qc3 Nc6 22. Nd2 f5 23. Rh3 Nb8 24. e4
fxe4 {Boehnke,H (2045)-Urbanek,S (2120)/corr ICCF EU/EM/M/005 2002/1/2-1/2})
10... Nf4 11. g3 Nd5 12. Bg2 Nb6 13. Nbd2 Bf5 14. O-O Bd3 15. Re1 Na5 16. Bc3
Nac4 17. a4 Nd5 18. Nxc4 Bxc4 19. Ba5 Nb6 20. Qc2 Be6 21. e4 Rc8 22. Bc3 c6 23.
Rab1 Qe7 24. a5 Nc4 25. Qd3 b5 26. axb6 Nxb6 (26... axb6 $2 27. d5 Na3 28. Rxb6
$18) 27. Qc2 Nc4 28. e5 Ba3 29. h4 h6 30. Nd2 Nxd2 31. Bxd2 {
Attacking the isolated pawn on c6} Qd7 32. Qa4 Bf8 33. Ra1 1/2-1/2

[Event "KE05 NBC Email"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Hofland, Leo"]
[Result "1/2-1/2"]
[WhiteElo "2185"]
[BlackElo "2310"]
[PlyCount "55"]
[EventDate "2003.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Nf3 Nf6 8.
e3 Bg4 9. d4 e6 (9... Bxf3 10. Qxf3 Qa7 11. Qg3 e6 12. Bd3 Nbd7 13. Bb2 Qa2 14.
Ba3 Ne4 15. Bxe4 dxe4 16. O-O e5 17. dxe5 Qd5 18. e6 fxe6 19. Qc7 b5 20. c4 Qd3
21. cxb5 cxb5 22. Nc3 Bd6 23. Qc6 O-O 24. Rd1 {
Doncea,V (2200)-Milovic,J (2220)/TCh-Europe u18, Balatonlelle HUN 2003/1-0 (74)
}) 10. Nbd2 Bd6 11. h3 $146 (11. Bd3 Bf5 12. Be2 Nbd7 13. Nh4 Be4 14. f3 Bg6
15. O-O Bh5 16. g3 g5 17. Ng2 O-O 18. Nb3 Ra8 19. Qd2 h6 20. Nc5 Qc7 21. Bb2
Bg6 22. c4 Nb6 23. Nxe6 fxe6 24. c5 Nc4 25. Bxc4 Bxg3 {
Trokenheim,M-Bonetti,S/TSC TT-12 2004/1/2-1/2 (55)}) 11... Bxf3 12. Nxf3 Nbd7
13. Bd3 O-O 14. O-O Qc7 15. Qc2 b5 16. Nd2 Ra8 17. e4 dxe4 18. Nxe4 Nxe4 19.
Bxe4 Nf6 20. Bf3 Nd5 21. Bb2 Qe7 22. g3 Qf6 23. Bg2 h5 24. h4 Ra2 25. Qb1 Ra6
26. Re1 g6 27. Qd1 Ra2 28. Qb3 1/2-1/2

[Event "corr ICCF Jubilee P014 email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Hall, Craig"]
[Result "1-0"]
[PlyCount "99"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d6 7. Nf3 Bf5 8.
Be2 d5 9. O-O dxc4 10. Bxc4 Na5 $146 (10... a6 11. d4 $11 (11. a3 b5 12. Be2
Ba5 13. Nc3 Qd6 14. Qb3 Bd3 15. Rac1) 11... Ne4 12. a3 Bd6 13. Nc3 Qf6 14. Bd5
Rfe8 15. Qb3) (10... Qd6 11. Nc3 (11. a3 Ba5 12. Nc3 a6 13. a4 Ng4 14. Ne2 Rae8
15. Qb3) 11... a6 12. d4 Bxc3 13. Bxc3 Ne4 14. Bb2 Rad8 15. Nh4) (10... h6 11.
d4 (11. a3 Bd6 12. Nc3 Re8 13. Qa4 a6 14. Qb3 Qd7 15. Nd5) 11... Qd6 12. Nc3 a6
13. Rc1 Rad8 14. Qe2 Rfe8 15. h3) (10... Rb8 11. a3 (11. Nc3 Bd3 12. Bxd3 Qxd3
13. Ne2 Nd5 14. Qb3 Qxe2 15. Qxd5) 11... Ba5 12. Nc3 Bd3 13. Bxd3 Qxd3 14. Rc1
Rbd8 15. Qa4) 11. Be2 $11 a6 (11... Bd6 12. Nd4 (12. Nc3 c5 13. Rc1 a6 14. d4
Rc8 15. dxc5) 12... Bd7 (12... Bg6 13. f4 c5 14. Nb5 Bf5 15. Nxd6) 13. Qc2 $11
(13. Nc3 c5 14. Ndb5 Be7 15. Qc2) 13... Nc6 14. Nxc6 Bxc6 15. Na3) (11... Bd3
12. Ne5 Bxe2 13. Qxe2 Re8 14. f4 Nc6 15. a3) 12. d3 (12. Nc3 Nc6 13. a3 Bxc3
14. dxc3 Ne4 15. c4) 12... Nc6 13. Qc2 (13. a3 Be7 $11 (13... Ba5 14. Qc2 Qe7
15. e4) 14. Qc2 Qd7 15. e4) (13. e4 Be6 14. Nbd2 h6 15. Qc2) 13... Qe7 (13...
Re8 14. Nbd2 $11 (14. a3 Be7 15. e4) 14... Bd6 15. Nc4) (13... Bd6 14. e4 Bg4
15. Nbd2) 14. a3 (14. e4 Bd7 15. Nbd2) 14... Bd6 (14... Qc5 15. Nc3) 15. Nbd2 (
15. e4 $11 {0.22/9}) 15... Rfe8 16. Rfe1 Rab8 (16... Be6 17. Nc4 $11) 17. e4
Bd7 18. g3 (18. d4 Nxe4 19. Nxe4 Qxe4 $14) 18... Bc5 (18... Rbd8 19. d4 Nxe4
20. d5 $11) 19. d4 (19. Bxf6 gxf6 20. Qc3 Bg4 $14) 19... Bb6 20. Bd3 h6 21. d5
(21. Nc4 Bg4 22. d5 Bxf3 23. dxc6 bxc6 $14 (23... Nxe4 $143 24. Nxb6 cxb6 25.
Re3 $18)) 21... Na5 22. Kg2 (22. Ne5 Bh3 $14) 22... Ng4 23. Rf1 Qd6 24. a4 (24.
Rac1 Rbc8 $14) 24... f6 (24... Rbc8 25. Nb3 Nxb3 26. Qxb3 $14) 25. Ba3 $14 c5
26. h3 Ne5 27. Nxe5 fxe5 28. Rab1 Rbc8 29. Be2 (29. Nc4 Nxc4 30. Bxc4 Re7 $14)
29... Re7 (29... Bd8 30. Rfc1 Qg6 31. Nc4 (31. Bxc5 $143 b6 $15) 31... Bxa4 32.
Qxa4 $14) 30. Bb2 Bc7 31. Bc3 (31. Rfc1 Bd8 32. Bc3 Qg6 $16) 31... Qg6 32. Nf3
Qd6 (32... Rf8 33. Bd2 $16) 33. Rfc1 g5 34. Qd2 b6 35. Bxa6 (35. Qc2 Rf8 $18)
35... Rf8 36. Qc2 (36. Qe3 Bxa4 37. Bxa5 bxa5 38. Qxc5 Ref7 $16) 36... Bxh3+
37. Kxh3 Rxf3 (37... g4+ 38. Kg2 (38. Kxg4 $143 Qd7+ 39. Kh4 Rg7 40. Bc8 Rxc8
41. Nh2 Bd8+ 42. Kh5 Qh3#) 38... gxf3+ 39. Kf1 $16) 38. Bxa5 bxa5 39. Bc8 (39.
Qxc5 Qf6 40. Qxc7 g4+ 41. Kxg4 Rxg3+ 42. fxg3 Qg7+ 43. Kh4 Rxc7 44. Rb8+ Kh7
45. Rxc7 Qxc7 $18) 39... Bb6 $14 40. Bf5 Ba7 (40... Rb7 41. Qe2 Ra3 42. Qb5 $16
) 41. Rb2 (41. Qe2 Rxf5 42. exf5 Qxd5 $18) 41... Kg7 (41... Ra3 42. Kg2 $16)
42. Qc4 h5 (42... Qf6 43. Kg2 Rxf5 44. exf5 Qxf5 45. Re1 $18) 43. Kg2 $18 Rxf5
(43... Ra3 44. Rh1 Qh6 45. Rd2 $18) 44. exf5 Kf6 (44... Qd7 45. Rh1 Qxf5 46.
Rxh5 $18) 45. Rh1 Rh7 46. Rb5 (46. f3 Bb6 $18) 46... Qc7 47. f3 h4 (47... Qd8
$18) 48. gxh4 gxh4 49. Rxh4 Qd7 (49... Rg7+ 50. Kf1 Rh7 $18) 50. Rxa5 (50. Rxa5
Kg7 51. Ra6 $18) 1-0

[Event "EM/CL/Q21-4 ICCF Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Rupsys, Rimantas"]
[Result "0-1"]
[BlackElo "2365"]
[PlyCount "80"]
[EventDate "2002.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 b6 4. e3 Bb7 5. Nf3 Be7 6. c4 O-O 7. Be2 d5 8. a4 c5
9. O-O Nbd7 10. d3 Qc7 11. Qc2 (11. Nbd2 Ng4 12. h3 Bf6 13. d4 Nh6 14. cxd5
exd5 15. Qc2 Be7 16. dxc5 bxc5 17. a5 Rac8 18. e4 d4 19. a6 Ba8 20. Rac1 Qb8
21. Bd3 f6 22. Qb3+ Kh8 23. Qe6 Qd6 24. Qxd6 Bxd6 25. Rfe1 Nf7 {
Nadanian,A (2345)-Guzkowska,M (2235)/Polanica Zdroj op 1996/1-0 (39)}) 11...
Bd6 $146 (11... Rad8 12. Nc3 Rfe8 13. Rac1 Ne5 14. Nxe5 Qxe5 15. Nxd5 Qg5 16.
f4 Qg6 17. Nxe7+ Rxe7 18. Bf3 Bxf3 19. Rxf3 Qxd3 20. Rg3 Ne8 21. Qf2 Red7 22.
h3 f6 23. f5 Qxf5 24. Qxf5 exf5 25. Rf3 g6 26. g4 {
rom49szachy (1620)-barborski/playok.com 2012/0-1 (33)} fxg4 27. hxg4 Rd1+ 28.
Rf1 Rxc1 29. Rxc1 Rd3 30. Re1 Rd2 31. Rb1 Kf7 32. Kf1 Nd6 33. Bc3 Rc2 {
0-1 rom49szachy (1620)-barborski/playok.com 2012 (33)}) 12. Nbd2 a6 13. Rfc1 h6
14. cxd5 exd5 15. Nf1 a5 16. Nd4 g6 17. f4 (17. Ra3 Rac8 18. Nf3 Rfe8 $11)
17... Rac8 $11 18. Qd2 Rfe8 19. Bf3 Bf8 20. Nb3 Bg7 21. Rc2 Qd6 22. Re1 Ba8 23.
Rcc1 h5 24. Ra1 h4 25. Rac1 h3 26. g4 d4 27. e4 Qe6 28. Qc2 Nxg4 29. Nxd4 Bxd4+
30. Bxd4 cxd4 31. Qxc8 Rxc8 32. Rxc8+ Kg7 33. Rxa8 Nc5 34. Re2 (34. Ra1 $142
$17) 34... Nxd3 35. f5 gxf5 36. exf5 Qxf5 37. Bxg4 Qxg4+ 38. Ng3 Nc1 39. Rf2 d3
40. Re8 Ne2+ (40... Ne2+ 41. Rfxe2 dxe2 $19) (40... Qxa4 41. Re7 Qb3 42. Rfxf7+
Qxf7 43. Nf5+ Kf6 44. Rxf7+ Kxf7 45. Nd6+ Kg6 46. Ne4 $19) 0-1

[Event "Netherlands email ch KE05"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Van Leent, Dimitri"]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "2200"]
[PlyCount "27"]
[EventDate "2002.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 f6 5. e3 Bg4 6. c4 (6. Be2 Bxf3 7. Bxf3 c6
8. d4 Nd7 9. c4 e4 10. Be2 f5 11. cxd5 cxd5 12. Nc3 a6 13. Na4 b6 14. b5 a5 15.
Rc1 Ngf6 16. Rc6 Qe7 17. Nxb6 Nxb6 18. Rxb6 Qd7 19. O-O Be7 20. Qc2 O-O {
b4_player-verte/casual 2013/1-0 (32)}) 6... c6 7. Nc3 Ne7 $146 (7... Nd7 8. h3
(8. cxd5 cxd5 9. Nb5 Qb6 10. Rc1 Kf7 11. Ng5+ fxg5 12. Qxg4 Ngf6 13. Qxg5 Be7
14. Be2 Rac8 15. O-O Rhf8 16. Rxc8 Rxc8 17. f4 h6 18. Qg3 Ne4 19. fxe5+ Kg8 20.
Qh3 Rd8 21. Bd4 Qg6 22. Bd3 Nb6 {
florenc1330 (1715)-mariuszly (1645)/kurnik 2012/1-0 (32)}) 8... Bh5 9. cxd5
cxd5 10. Be2 Rc8 11. O-O g5 12. Rc1 Ne7 13. Qb3 Bf7 14. Nb5 Qe6 15. d4 Rxc1 16.
Rxc1 a6 17. Nc7+ {1-0 elsh1403-sting73/5643038 kurnik 2011}) 8. Be2 dxc4 9.
Bxc4 Nd5 10. Qb3 Be6 11. d4 Nd7 12. dxe5 fxe5 13. Rd1 N7f6 $2 (13... N7b6 $142
14. Nxd5 Nxc4 $16) 14. e4 $18 (14. e4 Rc8 15. exd5 (15. Bxd5 $6 cxd5 16. Nxd5
Nxe4 $18) 15... cxd5 16. Nxd5 Rxc4 17. Qxc4 Bxd5 18. Qc8+ (18. Bxe5 $6 Bxc4 19.
Bxd6 Bxd6 20. Rxd6 O-O $18) 18... Qd8 19. Qxd8+ Kxd8 20. Bxe5 $18) 1-0

[Event "Webchess op2"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Seeger, Nicole"]
[Result "1/2-1/2"]
[WhiteElo "2230"]
[BlackElo "1800"]
[PlyCount "73"]
[EventDate "2006.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8
8. Bb2 Nc6 9. a3 Ba5 10. Be2 Bg4 11. O-O Qe7 12. Qb3 Rad8 (12... Qd7 13. d4 $11
(13. Qxb7 $2 Rab8 14. Qa6 Rxb2 $19)) 13. h3 Bf5 (13... Bc8 14. Bb5 $11) 14. Nc3
(14. Qxb7 Rd6 15. Nd4 Nxd4 16. Bxd4 Nf4 17. exf4 Qxe2 $17) 14... Nxc3 15. Bxc3
Be4 16. d4 (16. Qxb7 $143 Nd4 17. Qa6 Nxe2+ 18. Qxe2 Bd3 $17) 16... Bd5 17. Qc2
Bxc3 18. Qxc3 Rd6 19. Rfc1 Rg6 20. Rab1 Qf6 21. Kf1 (21. Rxb7 $4 Bxf3 22. Bxf3
Qxf3 $19) 21... a6 22. Bd1 b5 23. Bc2 Rh6 24. e4 Bc4+ (24... Bxe4 $2 25. Re1
$18) 25. Bd3 Na5 (25... Rxh3 26. Bxc4 Rh1+ 27. Ke2 Rxe4+ 28. Kd3 Rxc1 29. Rxc1
$15) 26. Ne5 Bxd3+ 27. Qxd3 Qd8 28. Qc3 c6 29. Re1 Rhe6 30. Rbd1 f6 31. Nd3
Rxe4 32. Rxe4 Rxe4 33. Nc5 Re7 34. Nxa6 Nc4 35. a4 Qd5 36. Nb4 Qd6 37. Kg1
1/2-1/2

[Event "Webchess op2"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Michael, Dennis"]
[Result "1-0"]
[WhiteElo "2230"]
[BlackElo "2005"]
[PlyCount "71"]
[EventDate "2006.??.??"]

1. b4 d5 2. Bb2 e5 3. Bxe5 Nc6 4. Bb2 Nxb4 5. a3 Nc6 6. e3 Nf6 7. Nf3 Be7 8. c4
O-O 9. Qc2 Bg4 10. d4 Bxf3 11. gxf3 dxc4 12. Bxc4 Qd7 13. Nd2 Rae8 14. O-O-O
Na5 15. Ba2 Nd5 16. Rhg1 Kh8 17. f4 f5 18. Nf3 Qe6 19. Ne5 Rd8 20. e4 (20. Rg2
$5 $11) 20... fxe4 $15 21. Qxe4 Rf6 (21... Qd6 $5 $15) 22. Rde1 $14 c6 23. Ng6+
Rxg6 24. Qxe6 Rxe6 25. Rxe6 Bf6 (25... Bd6 26. Kb1 Bxf4 27. h4 $16) 26. Rge1
$18 Nc7 27. R6e4 h5 28. R1e3 Nd5 29. Re8+ Rxe8 30. Rxe8+ Kh7 31. f5 Kh6 32. f4
$1 g6 $2 (32... Nxf4 33. Bc3 {Combination}) 33. Re6 Kg7 34. Bxd5 cxd5 35. fxg6
Kxg6 36. Rd6 1-0

[Event "Mostert mem WS op-4 email"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Holscher, Peter AC"]
[Result "1/2-1/2"]
[WhiteElo "2200"]
[BlackElo "2205"]
[PlyCount "88"]
[EventDate "2006.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. Nf3 a6 6. a4 O-O 7. Be2 Nbd7 8. d4
axb5 9. axb5 Rxa1 10. Bxa1 c6 11. O-O Qa5 12. Nc3 Qc7 13. Na2 Nb6 14. Qb1 Bd7
15. bxc6 bxc6 16. Nb4 Ne4 17. Na6 Qa7 18. Bd3 f6 (18... Nc4 19. Bxc4 dxc4 20.
Nc5 $15) 19. Nc5 (19. Qb3 Nc4 20. Bxe4 Qxa6 $11) 19... Bxc5 $15 20. Bxe4 dxe4
21. dxc5 Nc4 (21... exf3 $6 22. cxb6 (22. Qxb6 $143 Qa4 23. gxf3 Qxc2 $15)
22... Qb7 23. gxf3 $14) 22. Qb4 Nxe3 23. fxe3 exf3 24. gxf3 e5 25. Rd1 Be6 26.
Bc3 Qf7 27. Qa4 Rb8 (27... Qg6+ $142 $5 28. Kh1 Rc8 $17) 28. Qxc6 $11 Qg6+ 29.
Kh1 Qf5 30. Ba5 Rc8 31. Rd8+ Rxd8 32. Bxd8 Kf7 33. Qb7+ Kg6 34. Qe4 (34. Bb6
Qxc2 35. Qe4+ Qxe4 36. fxe4 Bd7 $17) 34... Qxe4 $17 35. fxe4 Bd7 36. Kg2 Bc6
37. Kf3 f5 38. h4 Bxe4+ 39. Kg3 Bxc2 (39... Kf7 40. Bc7 Ke6 41. h5 $15) 40. c6
$15 Be4 41. c7 Bb7 42. Be7 Kf7 43. Bb4 g6 44. Kf2 Ke6 1/2-1/2

[Event "WS TT/4 Sokolsky email"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Bonatti, Aldo"]
[Result "1-0"]
[WhiteElo "2230"]
[BlackElo "2020"]
[PlyCount "65"]
[EventDate "2006.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Bb4+ 6. c3
Bd6 7. dxe5 fxe5 8. Nf3 Nf6 9. Be2 O-O 10. O-O h6 (10... c6 11. Ng5 Bf5 12. c4
$15) 11. c4 $11 Nbd7 12. cxd5 Nxd5 13. Nbd2 N5b6 14. a4 a5 15. bxa6 bxa6 16. a5
Nd5 17. Nc4 {Increasing the pressure on the isolated pawn on e5} Qf6 18. Rc1
Rab8 19. Rc2 (19. Nxd6 $143 Rxb2 20. Ne4 Qg6 $11) 19... Nb4 20. Nxd6 Nxc2 21.
Ne4 Qg6 22. Qxc2 Bd5 23. Nfd2 Rb7 (23... Rxb2 $5 24. Qxb2 Bxe4 25. Nxe4 Qxe4
26. Bxa6 Nc5 $18) 24. Ba3 Rfb8 25. Rc1 Qf7 (25... Nf6 26. Ng3 Qxc2 27. Rxc2 $18
) 26. Nc5 Nxc5 27. Qxc5 (27. Bxc5 $6 Rb2 28. Qd3 Bc6 $18) 27... Qe6 (27... Ra8
28. e4 Be6 29. Qxe5 $18) 28. Bxa6 $1 Qxa6 29. Qxd5+ Kh8 30. Qxe5 Rd8 31. Nf3
Rb5 32. Qxc7 Qxa5 33. Qxa5 (33. Qxa5 Rxa5 34. Bb2 $18) 1-0

[Event "Mostert mem WS op-4 email"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Refalo, Jean Michel"]
[Result "0-1"]
[WhiteElo "2200"]
[BlackElo "2260"]
[PlyCount "84"]
[EventDate "2006.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 c5 5. Nf3 Bd6 6. c4 Nbd7 7. Be2 O-O 8. O-O
b6 9. a4 Bb7 10. a5 bxa5 11. cxd5 exd5 12. Qa4 (12. d4 c4 $15) 12... Bc7 (12...
a6 13. Nc3 $17) 13. Bc3 {The isolani on a5 becomes a target} (13. Rc1 c4 14.
Ba3 Re8 $15) 13... d4 14. exd4 Re8 15. Qd1 Nd5 16. dxc5 Nxc5 17. Bc4 Nf4 (17...
a6 18. Bd4 Ne6 19. Be3 $15) 18. d4 $11 Ne4 19. d5 (19. Re1 a6 20. Qb3 Bd5 21.
Bxd5 Qxd5 22. Qxd5 Nxd5 $11) 19... Bb6 20. Ra4 Rc8 21. Bd2 (21. d6 Nxd6 (21...
Nxc3 22. Nxc3 Rf8 23. Nd5 Qxd6 24. Nxf4 Qxf4 25. Be6 Qxa4 26. Bxf7+ Rxf7 27.
Qxa4 $15) 22. Bxf7+ Nxf7 (22... Kxf7 23. Rxf4+ Kg8 24. Qb3+ Kh8 25. Bxg7+ Kxg7
26. Qb2+ Kg6 27. Rg4+ Kh5 28. Rg5+ Qxg5 29. Nxg5 $16) 23. Rxf4 g5 $17) 21...
Rxc4 22. Rxc4 Nxf2 (22... Nxd2 $143 23. Nbxd2 (23. Nfxd2 $2 Qxd5 (23... Nxd5 $6
24. Ne4 $11) 24. Qf3 Qxc4 25. Qxb7 Qxb5 $19) (23. Qxd2 $143 Ne2+ 24. Kh1 Bxd5
$15) 23... Ne2+ 24. Kh1 Bxd5 25. Rc2 $11) 23. Rxf2 Nd3 24. Bxa5 Bxf2+ 25. Kf1
Qxd5 (25... Qxa5 $6 26. Qxd3 Bb6 27. Nc3 Qa1+ 28. Nd1 $17) 26. Rc7 Bb6 27. Nc3
Qf5 28. Rxb7 Bxa5 29. g4 Qc8 30. Qxd3 (30. Rxa7 Qxc3 31. Rxa5 $19) 30... Qxb7 (
30... Bxc3 $6 31. Qd5 Rf8 32. Qc6 $11) 31. Nd1 Bb6 32. Kg2 Qc8 33. Nf2 (33. h3
Qc1 34. Qb3 Rc8 $19) 33... Re3 34. Qf1 Qe6 35. Ng5 Qd5+ 36. Nge4 Rxe4 (36... g6
$5 37. g5 Rxe4 38. Nxe4 Qxe4+ 39. Qf3 $19) 37. Nxe4 Qxe4+ 38. Qf3 Qxf3+ (38...
Qc2+ 39. Kh3 g6 40. g5 $19) 39. Kxf3 g6 40. Ke4 Kg7 41. h3 Kf6 42. h4 h5 0-1

[Event "EM/CL/Q21-4 ICCF Email"]
[Site "?"]
[Date "2002.??.??"]
[Round "?"]
[White "Van Daatselaar, Jan Bart"]
[Black "Traut, Werner"]
[Result "1-0"]
[BlackElo "2230"]
[PlyCount "89"]
[EventDate "2002.??.??"]

1. b4 {A00: Irregular Openings} e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5
6. cxd5 Nxd5 7. Nf3 Re8 8. Bb2 Nf4 9. Qb3 Nc6 10. a3 $146 (10. Bc4 Qe7 11. O-O
Na5 $15) 10... Be6 11. Qa4 (11. Qc2 Ba5 $15) 11... Bd6 $17 12. Nc3 Bf5 13. d4
a6 14. Qd1 Qf6 15. g3 Nh3 16. Be2 Bg4 17. Kf1 Ng5 18. Nxg5 Bxe2+ 19. Qxe2 Qxg5
20. h4 (20. Qf3 Na5 $15) 20... Qf6 (20... Qf5 21. Rd1 $15) 21. Rd1 (21. d5 Na5
$15) 21... b5 $17 22. Kg1 (22. Kg2 Na5 $17) 22... Na5 23. h5 Nc4 {
The isolani on a3 becomes a target} 24. h6 Nxb2 (24... g6 25. a4 $15) 25. Qxb2
$15 g6 26. e4 Qe6 27. e5 Be7 28. Kg2 (28. Ne2 Rad8 $15) 28... c5 (28... Rad8
29. Ne2 $15) 29. dxc5 Qxe5 (29... Bxc5 30. Rhe1 $11) 30. Rd5 $11 Qf6 (30... Qe6
31. Ne4 f6 32. Qd4 $11) 31. Qd2 (31. Nd1 Qxb2 32. Nxb2 Bf8 $11) 31... Bf8 (
31... Qe6 32. f3 $15) 32. f3 $11 Qe6 (32... Qc6 33. Ne4 Re6 34. Qd4 $11) 33.
Rd7 (33. Ne4 f5 34. Nd6 Qe2+ 35. Qxe2 Rxe2+ 36. Kg1 Re3 $15) 33... Rac8 (33...
Bxc5 34. Ne4 Be7 $15 (34... Bxa3 $2 35. Qc3 Qa2+ 36. Rd2 Qxd2+ 37. Qxd2 $18))
34. Ne4 $11 Rxc5 35. Nxc5 Bxc5 36. Rh4 (36. a4 $11) 36... Qe2+ $16 (36... Bxa3
$4 37. Re4 Qxd7 38. Qxd7 Rxe4 39. fxe4 $18) 37. Qxe2 Rxe2+ 38. Kf1 Re8 39. a4
Rb8 40. Ke2 (40. Rc7 Bd6 41. Rc6 Bf8 $16) 40... f5 41. Rg7+ (41. axb5 axb5 42.
Rh1 Re8+ 43. Kd2 Re7 $16) 41... Kh8 42. Rc7 (42. axb5 axb5 43. Rd7 Kg8 $16)
42... Bd6 43. Ra7 Kg8 (43... b4 44. Rc4 a5 $18) 44. Rd4 $18 Bf8 45. a5 1-0

[Event "corr ICCF WSTT/3/06/4"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Walker, John T"]
[Black "van Daatselaar, Jan Bart"]
[Result "1-0"]
[PlyCount "113"]
[EventDate "2006.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nc3 Nc6 5. Bxf6 Qxf6 6. Nd5 Qd6
7. Nxb4 Qxb4 8. e3 O-O 9. Nf3 d5 10. Bd3 $146 (10. c3 Qd6 (10... Qg4 11. h3 Qe4
12. d3 Qe7 13. d4 Bf5 14. Bd3 Be4 15. Bxe4 dxe4 16. Nd2 Rfe8 17. O-O Rad8 18.
Qc2 b6 19. f3 exf3 20. Rxf3 Na5 21. Raf1 f6 22. Rg3 c5 23. Rf4 Rf8 24. Qd3 Nc6
25. Nf3 {"lasker" (2215)-gambitmad (2100)/internet 2007/1/2-1/2}) 11. Bd3 Bd7
12. O-O g6 13. Be2 Rfe8 14. d4 Rad8 15. c4 dxc4 16. Bxc4 {
1/2-1/2 samurai-marekt/ChessWorld.net 2012}) (10. Be2 Bf5 (10... Re8 11. O-O a6
12. d4 b6 13. c3 Qd6 14. c4 dxc4 15. Bxc4 b5 16. Bb3 h6 17. Rc1 Bf5 18. Rc5 Be4
19. Nd2 Bd3 20. Qf3 Bxf1 21. Bxf7+ Kh8 22. Rxc6 Be2 23. Rxd6 Bxf3 24. Rd7 Bd1
25. Bxe8 {Fritz 5.32-Comet B50/0-1 (39)}) 11. O-O Qd6 12. c4 d4 13. d3 dxe3 14.
fxe3 Rfe8 15. Qd2 Rad8 16. Rad1 Qa3 17. Ng5 h6 18. Rxf5 hxg5 19. Rxg5 Qe7 20.
Rg3 Rd6 21. Rf1 Rf6 22. Rxf6 Qxf6 23. d4 Re7 24. Rf3 Qg5 {
tsodikovich (1800)-yellowlab (1855)/gameknot.com 2017/1-0 (50)}) 10... Bg4 11.
Rb1 Bxf3 12. gxf3 Qa3 13. f4 Rfd8 14. Rxb7 Rab8 15. Rxc7 Qd6 16. Bxh7+ Kf8 (
16... Kxh7 17. Qh5+ Qh6 18. Qxh6+ gxh6 19. Ke2 $11 (19. Rxf7+ $2 Kg6 20. Rc7
Rb1+ 21. Ke2 Nd4+ (21... Rxh1 $6 22. Rxc6+ Kh5 23. Rc7 $19) 22. Kd3 Rxh1 23.
Kxd4 Rxh2 $19)) 17. Rxc6 Qxc6 18. Bd3 Rb2 19. a4 Qxa4 20. O-O Rb6 (20... g6 21.
h4 $11) 21. Qh5 $14 Rh6 22. Qg5 f6 23. Qg4 Qa5 (23... a5 24. Rb1 Qc6 25. Rb5
$14) 24. c3 Qc7 25. Ra1 a5 26. Qg2 Qa7 27. Ra4 Qb6 28. h3 Rd6 29. Rd4 {
Attacks the isolani on d5} Qc6 30. f5 Rh7 (30... Rd7 31. Qg3 $14) 31. Be2 Rh6
32. Bf3 Qb7 33. Qg3 Rd7 34. Kg2 Qb6 35. Bxd5 Rh5 36. f4 a4 (36... Rxf5 $5 37.
e4 Rfxd5 38. exd5 a4 39. Rxa4 Rxd5 40. Ra8+ Kf7 $18) 37. e4 $18 Qa7 38. Qg4 (
38. Qd3 a3 39. Qb5 Qc7 $18) 38... Rh6 39. Qd1 Qa6 40. d3 (40. Qxa4 $6 Qe2+ 41.
Kg1 Qe1+ 42. Kg2 Qe2+ 43. Kg3 Qe1+ 44. Kg2 Qe2+ $11) (40. Rxa4 $6 Qd3 41. Ra8+
Ke7 $11) 40... Qa5 41. Rxa4 Qxc3 42. Rc4 Qb2+ $4 (42... Qa5 $142 43. Rc8+ Ke7
$18) 43. Rc2 Qb8 44. Qc1 Ke7 (44... Qb4 45. Qa1 Qb6 46. Qa3+ Qd6 47. Qa8+ Rd8
48. Qa5 $18) 45. Qa3+ Qd6 46. Rc5 Rh8 (46... Rh4 47. Bc6 Rxh3 $18) 47. d4 {
White plans e5} Rc8 (47... Ke8 48. Rc8+ Ke7 49. Qxd6+ Rxd6 50. Rxh8 $18) 48. e5
Qxc5 (48... fxe5 49. fxe5 Qxc5 50. dxc5 Rxd5 51. c6+ Ke8 52. Qa7 Rxc6 53. Qa8+
Ke7 54. Qxc6 Rxe5 55. Qg6 Re2+ 56. Kf3 $18) 49. dxc5 Rxd5 50. c6+ Ke8 51. Qa2
Rcd8 52. Kf3 fxe5 53. c7 exf4 54. cxd8=Q+ Rxd8 55. Qg8+ Kd7 56. Qxg7+ Kc6 57.
Qc3+ (57. Qc3+ Kb6 58. f6 $18) 1-0

My earlier front pages:

2010-03-05 Carlos Bulcourf
 
 
 
 

Play 1.b4 at Chessworld.net!

Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

Available lines:
• 1.b4 (4 players, 1 day/move)
• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
• 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
• 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
• 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
• 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
• 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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