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• 1.b4 g6

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• 1.b4 Nf6 2.Nf3

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 c6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 d6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Nbd7

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0

• 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7

• 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7

• 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7

• 1.b4 Nf6 2.Bb2 g6

• 1.b4 Nf6 2.Bb2

• 1.b4 Nf6

Contact marek.trokenheim@gmail.com

Johan DOPPER
of The Netherlands

Flag and map source: https://www.cia.gov/library/publications/the-world-factbook/

(2022-10-01)
(All annotations below by Fritz)
(Games' source: Marek's 1.b4 database)



[Event "corr SOK-92-91"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bendig, Frank"]
[Result "1/2-1/2"]
[PlyCount "44"]
[EventDate "1992.??.??"]

1. b4 Na6 2. a3 c5 (2... Nf6 3. e3 $11) 3. b5 (3. e4 Nf6 $14) 3... Nc7 $11 4.
c4 (4. e4 d5 5. exd5 Nxd5 $11) 4... Nf6 5. Bb2 e6 (5... d5 6. cxd5 Nxb5 7. e3
$15) 6. e3 (6. Qa4 Be7 $11) 6... Be7 (6... d5 7. cxd5 Ncxd5 8. d4 $15) 7. Nf3
$15 O-O 8. Be2 d5 9. O-O a6 (9... dxc4 10. Bxc4 a6 11. a4 $11) 10. a4 (10. b6
Nce8 $11) 10... axb5 11. axb5 Rxa1 12. Bxa1 dxc4 13. Bxc4 b6 14. d4 Qd6 15.
dxc5 Qxc5 {Exerts pressure on b5} 16. Qe2 Bb7 17. Nbd2 Qh5 18. Bd4 Nd7 19. Ra1
Ra8 20. Rxa8+ Bxa8 21. Ne5 Qxe2 22. Bxe2 Nxe5 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Den Broeder, Guido"]
[Result "1/2-1/2"]
[PlyCount "53"]
[EventDate "1992.??.??"]

1. b4 d6 2. Bb2 Nc6 3. b5 Ne5 4. e3 (4. e4 Nf6 5. d4 Ned7 $11) 4... Be6 (4...
Nf6 5. Be2 $11) 5. Nf3 Nc4 (5... Nxf3+ 6. Qxf3 d5 7. h3 $11) 6. Bc3 (6. Bd4 Nh6
$14) 6... h6 (6... d5 7. Bd4 $11) 7. d3 (7. Nd4 Qd7 $14) 7... Nb6 8. Nd4 (8.
Be2 a6 $14) 8... Qd7 (8... Bd7 $5 $11) 9. Nxe6 $14 Qxe6 10. Be2 Nf6 11. a4 Nbd5
(11... a6 12. O-O $14) 12. Bd2 (12. Bb2 a5 $16) 12... Qd7 (12... Qe5 $5 13. d4
Qf5 $16) 13. c4 $16 Nb6 14. Bc3 (14. a5 Nc8 $16) 14... e5 (14... Nc8 15. Bf3 c6
16. O-O $16) 15. Nd2 (15. a5 Nc8 $16) 15... Be7 (15... O-O-O 16. a5 Na8 17. Bf3
$18) 16. O-O (16. a5 Nc8 17. Bf3 d5 18. Bxe5 O-O $18) 16... O-O (16... a6 17.
a5 Nc8 18. Bf3 $16) 17. f4 (17. a5 Nc8 $16) 17... exf4 18. Rxf4 (18. a5 fxe3
19. axb6 exd2 20. bxa7 d5 $14) 18... Qe6 19. e4 Nbd7 (19... a6 $16) 20. Bg4 (
20. Nb3 $5 Ne5 21. a5 $16) 20... Nxg4 $14 21. Rxg4 (21. Qxg4 Qxg4 22. Rxg4 Bf6
$11) 21... Bf6 22. d4 Bg5 23. d5 Qe7 24. h4 (24. Nf3 f5 25. Rg3 f4 $11) 24...
Bf6 (24... Be3+ 25. Kh1 Ne5 26. Bxe5 dxe5 27. Nf3 $15) 25. Rc1 (25. Qf3 Ne5 26.
Bxe5 Bxe5 $15) 25... Bxc3 26. Rxc3 Ne5 27. Rf4 1/2-1/2

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Cottarelli, Franco"]
[Result "1-0"]
[PlyCount "79"]
[EventDate "1990.??.??"]

1. b4 a5 2. b5 $11 b6 3. c4 Bb7 4. Nc3 Nf6 5. Nf3 g6 (5... e6 6. Rb1 $11) 6.
Bb2 Bg7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. d4 e5 11. Qb3 e4 12. Nd2 Qe7 13.
Rac1 Rfe8 14. a3 Rad8 15. Rfd1 Nf8 16. c5 d5 17. Na4 Qe6 18. Rc3 h5 19. Rdc1
Ng4 20. cxb6 cxb6 21. Rc7 Rd7 22. Rxd7 Nxd7 23. h3 Ngf6 24. Rc7 Ba8 25. Qc2 (
25. Qc3 Kh7 $14) 25... Nf8 26. Nb3 Rd8 27. Nbc5 (27. Qd2 $142 $14) 27... bxc5
$17 28. dxc5 d4 (28... Rb8 29. Ra7 $15) 29. Bxd4 Nd5 30. Ra7 Bxd4 31. exd4 e3
32. Bc4 (32. Rxa5 exf2+ 33. Kxf2 Qe3+ 34. Ke1 Nf4 (34... Qxd4 $6 35. Qd3 Qg1+
36. Kd2 $19) 35. Rxa8 Rxa8 $19 (35... Nxe2 $6 36. Qxe2 Qg1+ 37. Qf1 Qxf1+ 38.
Kxf1 Rxa8 39. Nc3 $17)) 32... Nd7 33. Ra6 exf2+ 34. Qxf2 Qe3 $2 (34... Qe4 $142
$5 $16) 35. Rxa8 $1 $18 Qxf2+ (35... Rxa8 {Decoy to a8} 36. Bxd5) 36. Kxf2 Rxa8
37. Bxd5 Rd8 38. c6 Nf6 39. Nc3 Ne8 40. b6 (40. b6 h4 41. c7 Nxc7 42. bxc7 $18)
1-0

[Event "corr 3GMM-07"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Petersen"]
[Result "1-0"]
[PlyCount "65"]
[EventDate "1995.??.??"]

1. b4 a5 2. b5 b6 3. c4 Bb7 4. Nc3 Nf6 5. Nf3 e6 6. e3 (6. Bb2 Bc5 $11) 6...
Be7 7. Bb2 O-O 8. Be2 d5 (8... e5 9. O-O e4 10. Nd4 $14) 9. O-O c5 10. bxc6 (
10. d4 dxc4 11. Bxc4 cxd4 12. Nxd4 e5 $14) 10... Bxc6 (10... Nxc6 11. Qb3 $11)
11. d4 Na6 (11... Nbd7 12. a4 $11) 12. Ne5 $14 Bb7 (12... Qc7 13. Rc1 dxc4 14.
Bxc4 $14) 13. Rc1 (13. Bf3 Rb8 $11) 13... Ne4 (13... dxc4 14. Bxc4 Rc8 15. Qb3
$11) 14. cxd5 (14. Nxe4 dxe4 15. f3 Bd6 $14) 14... Nxc3 $11 15. Rxc3 Bxd5 (
15... Qxd5 16. Bf3 Qxa2 17. Bxb7 Qxb2 18. Rb3 $18) 16. a3 (16. Nc6 Qd6 17. Qa4
Nb4 18. Nxe7+ Qxe7 $11) 16... Bd6 $11 17. f4 Nc7 18. Qc2 {White is in command}
b5 19. e4 b4 20. Rxc7 Bxe4 21. Qxe4 {Theme: Deflection from c7} Qxc7 22. axb4
axb4 23. Rc1 Qe7 24. Bc4 {White prepares the advance d5} Bxe5 25. Qxe5 Rfe8 (
25... Rfb8 26. Bd5 $1 f6 27. Qxe6+ Qxe6 28. Bxe6+ Kh8 29. Bb3 $18) 26. d5 $18 {
Threatening mate... how?} f6 (26... Qa7+ 27. Bd4 f6 28. Qe3 $18 (28. Bxa7 $6
fxe5 29. Bc5 exf4 $16)) 27. Qe3 b3 (27... Rab8 $142 28. Qxe6+ Kf8 $18) 28. dxe6
(28. Qxe6+ Qxe6 29. dxe6 Ra2 $18) 28... Rec8 29. Bxb3 Rcb8 (29... Rxc1+ 30.
Bxc1 Ra5 31. Bb2 $18) 30. Bd5 (30. f5 Rb5 31. Qf3 Rab8 $18) 30... Ra5 31. Rc7
$1 Qe8 (31... Qxc7 32. e7+ {Discovered attack}) 32. Bc6 (32. Qg3 g6 33. Bb3
Rab5 $18) 32... Rxb2 (32... Qh5 33. Bf3 Qe8 $18) 33. Bxe8 (33. Bxe8 h6 34. Bf7+
Kh7 35. e7 Ra1+ 36. Rc1 Rxc1+ 37. Qxc1 $18) 1-0

[Event "corr TKM/A004"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Gnuechtel, Andreas"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "2000.??.??"]

1. b4 a5 2. Bb2 axb4 3. e3 Nf6 4. Nf3 d5 5. Be2 e6 6. O-O Bd6 7. d4 (7. a3 O-O
$17) 7... O-O 8. a3 bxa3 (8... Nc6 9. axb4 Rxa1 10. Bxa1 Nxb4 11. Nbd2 $17) 9.
Nxa3 Ne4 (9... b6 10. c4 $17) 10. Nb5 Rxa1 11. Qxa1 Be7 12. c4 c6 (12... Bd7
13. Rc1 $15) 13. Nc3 Nxc3 14. Bxc3 b6 15. c5 (15. Qa7 Nd7 $15) 15... bxc5 16.
dxc5 f6 17. Rb1 Bxc5 $2 (17... Nd7 $142 $5 18. Nd4 Ne5 $11 (18... Bxc5 $143 19.
Nxe6 Qe7 20. Nxf8 Nxf8 21. Qa8 $16)) 18. Rxb8 $16 e5 19. Bb4 Bxb4 20. Rxb4 c5 (
20... Bf5 21. Rb3 $16) 21. Rb5 $18 c4 22. e4 Be6 (22... dxe4 $5 23. Bxc4+ Kh8
$16) 23. exd5 $18 Bxd5 24. Qc3 Kh8 25. Bxc4 Bxc4 26. Qxc4 Qd1+ 27. Qf1 Rd8 28.
Rb1 Qc2 (28... Qd5 29. Qe2 $18) 29. Rc1 Qf5 (29... Qb3 30. Nd2 Qd5 31. Nc4 $18)
30. Rd1 (30. Rd1 Rxd1 31. Qxd1 $18) (30. Qc4 Qd7 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verduyn Den Boer"]
[Result "1-0"]
[PlyCount "73"]
[EventDate "1991.??.??"]

1. b4 Nf6 2. Bb2 d6 3. c4 a5 4. b5 c6 $146 (4... g6 5. Nf3 Bg7 6. d4 O-O 7.
Nbd2 e5 {line}) (4... e5 5. d3 (5. Nc3 g6 6. e3 Bg7 7. Nf3 O-O 8. Be2 Nbd7 9.
d4 exd4 10. exd4 Re8 11. O-O Nf8 12. Bd3 Ne6 13. Qd2 Nh5 14. Rae1 Nef4 15. Bb1
Bg4 16. Rxe8+ Qxe8 17. Ng5 Qe7 18. Nge4 Qh4 19. f3 Bd7 {
Raanby,H-Davidson,L/corr SSKK 2-745 1991/[Fritz 6 (1s)]/1-0 (42)}) 5... Nbd7 6.
Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Rb8 10. e4 b6 11. Nc3 Nc5 12. Nd5 Be6 13.
Ba3 Bg4 14. Bxc5 dxc5 15. h3 Bxf3 16. Bxf3 Nxd5 17. cxd5 Qd7 18. Bg4 Qxb5 19.
Rb1 {bratek55 (1730)-soptik26 (1745)/kurnik 2011/1-0 (68)}) 5. Nf3 cxb5 6. cxb5
Bd7 7. e3 e5 8. Be2 Be7 9. O-O Be6 10. Ng5 O-O 11. Nxe6 fxe6 12. Qb3 Nd5 (12...
Qd7 13. Nc3 $11) 13. Bf3 Qb6 (13... Rxf3 $142 $5 14. gxf3 Nd7 $16) 14. Bxd5 $18
exd5 15. Qxd5+ Kh8 16. a4 Nd7 17. Na3 Nf6 18. Qb3 Qd8 19. Nc4 b6 20. d4 e4 21.
Rfc1 d5 22. Ne5 Bd6 23. f3 Rc8 24. fxe4 Nxe4 (24... Bxe5 25. dxe5 Nxe4 $14) 25.
Rxc8 (25. Qxd5 Rxc1+ 26. Rxc1 $16) 25... Qxc8 $14 26. Qxd5 (26. Ba3 $142 $14)
26... Qf5 $17 27. Qc4 Qf2+ 28. Kh1 Qxb2 29. Rf1 Nf2+ 30. Kg1 Bxe5 31. dxe5 Qd2
32. Qc1 Qxc1 33. Rxc1 Ne4 34. e6 Nc5 35. e7 (35. Rc4 $142 $19) 35... Re8 36.
Rd1 h6 $4 (36... Kg8 $142 $19) 37. Rd8 $18 (37. Rd8 Kg8 38. Rxe8+ Kf7 39. Rb8
Kxe7 40. Rxb6 Nxa4 41. Ra6 $18) 1-0

[Event "(year?)"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Jonge"]
[Result "1-0"]
[PlyCount "45"]

1. b4 b5 2. Bb2 d6 3. e3 e5 (3... a5 4. bxa5 Qd7 5. c4 bxc4 6. Bxc4 $14) 4.
Bxb5+ $16 c6 5. Be2 Nf6 6. c4 (6. a3 a5 $16) 6... a6 (6... Be7 7. d4 $16) 7.
Nf3 (7. d4 e4 $16) 7... c5 (7... e4 8. Nd4 $16) 8. bxc5 dxc5 (8... e4 $142 $5
9. cxd6 Bxd6 $18) 9. Nxe5 $18 Bd6 10. Bf3 (10. Qa4+ Bd7 11. Nxd7 Qxd7 $18)
10... Ra7 11. Bc6+ (11. d4 $142 $18) 11... Nxc6 $2 (11... Nbd7 $142 $18) 12.
Nxc6 Qb6 (12... Bg4 13. Qc2 Qa8 14. Nxa7 Qxg2 15. Rf1 $18) 13. Nxa7 Qxb2 (13...
Qxa7 14. Bxf6 gxf6 15. Nc3 $18) 14. Nxc8 Qxa1 (14... Bc7 15. Nc3 Qb7 $18) 15.
Nc3 (15. Nxd6+ Kd7 16. Nxf7 Rf8 $18) 15... Qb2 $4 (15... Qxd1+ $142 16. Kxd1
Bc7 $18) 16. Nxd6+ $18 Kd7 (16... Ke7 17. Nf5+ Kf8 18. Qf3 Qa1+ 19. Nd1 $18)
17. Nxf7 Ra8 (17... Re8 18. f4 $18) 18. O-O Qb7 (18... Ke7 19. Qf3 Kxf7 20.
Qxa8 Qxd2 21. Na4 Qxa2 22. Qxa6 $18) 19. d4 (19. Ne5+ Ke8 $18) 19... cxd4 (
19... Ke7 20. Ne5 $18) 20. Qxd4+ Ke7 21. Ng5 h6 (21... Ke8 22. Ne6 $18) 22.
Qe5+ (22. Nd5+ $5 Kf8 23. Ne6+ Kf7 24. Nxg7 Nxd5 25. cxd5 Rg8 $18) 22... Kf8
23. Qd6+ (23. Qd6+ Qe7 24. Ne6+ Kf7 25. Qxe7+ Kxe7 26. Nxg7 $18) 1-0

[Event "corr 3GMMsemi-02"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Rosenhahn, Eberhard"]
[Result "0-1"]
[PlyCount "108"]
[EventDate "1998.??.??"]

1. b4 b5 2. Bb2 Bb7 3. e3 e6 4. a3 (4. a4 Nf6 $11 (4... Bxb4 $4 5. Bxg7 (5.
axb5 $6 Nf6 $11) (5. Bxb5 $6 Nf6 6. Nf3 a6 $11) 5... Bxg2 6. Bxg2 $18 (6. Bxh8
$6 Bxh1 7. Qg4 Ne7 8. Qxb4 Ng6 $18))) 4... a6 5. Nf3 Nf6 6. Be2 (6. c4 bxc4 7.
Bxc4 d5 $11) 6... Be7 7. d4 O-O (7... Bxf3 8. Bxf3 d5 9. Qd2 $11) 8. c4 (8. O-O
a5 $11) 8... bxc4 9. Bxc4 d6 (9... a5 10. b5 $11) 10. Nbd2 (10. Nc3 Nbd7 $11)
10... Nbd7 (10... a5 11. b5 $11) 11. O-O Nb6 (11... a5 12. Bd3 $11) 12. Bd3 Qd7
(12... c5 13. dxc5 dxc5 14. bxc5 Bxc5 15. Qc2 $14) 13. Rc1 (13. Qc2 a5 $14)
13... Rfc8 14. Qe2 (14. e4 c5 $14) 14... Na4 (14... a5 15. bxa5 Rxa5 16. e4 $11
) 15. Ba1 $14 c5 16. bxc5 dxc5 17. Ne5 (17. Nc4 Bd5 $14) 17... Qe8 (17... Qd5
18. e4 Qd8 19. Rb1 $14) 18. Rb1 Rcb8 (18... Rc7 19. Rfc1 Rac8 20. Rxb7 Rxb7 21.
Bxa6 cxd4 22. Ndc4 $14) 19. Rfc1 cxd4 20. Bxd4 Bxa3 21. Rc7 Bd5 22. Ng4 (22.
Rxb8 Qxb8 23. Rxf7 Bd6 $16) 22... Rxb1+ (22... Nxg4 23. Rxb8 Rxb8 24. Qxg4 $14)
23. Nxb1 Nxg4 24. Qxg4 Bf8 25. Nd2 e5 (25... Rc8 26. Ne4 Bxe4 27. Qxe4 $16) 26.
Ne4 Qe6 27. Qxe6 Bxe6 28. Bxe5 h6 29. g3 (29. Kf1 Ba3 $14) 29... Nb6 30. Nc3 a5
31. Bd4 Nd5 32. Nxd5 Bxd5 33. e4 (33. f4 a4 $15) 33... Be6 34. Bb5 a4 35. Ra7 (
35. f4 a3 36. f5 Bb3 $17) 35... Rd8 (35... Rxa7 36. Bxa7 a3 37. Bd4 $17) 36.
Be5 (36. Rxa4 $142 $5 Bb3 37. Be3 Bxa4 38. Bxa4 $15) 36... a3 $17 37. Kg2 a2
38. Kf3 Bc5 39. Ra5 Bd4 40. Bxd4 Rxd4 41. Ke2 (41. Ra8+ Kh7 42. Ke2 Rxe4+ 43.
Kd2 Rb4 44. Bd3+ g6 $19) 41... Rb4 42. Bd3 Rb1 (42... Bb3 $142 $5 43. Ra8+ Kh7
44. e5+ g6 45. Rxa2 Bxa2 46. Kd2 $19) 43. Ra8+ Kh7 44. e5+ g6 45. Rxa2 Bxa2 46.
Bxb1 Bxb1 47. h4 (47. f4 Bf5 $19) 47... Bf5 (47... g5 48. hxg5 hxg5 49. Ke3 $19
) 48. Kf3 (48. f4 g5 $1 49. hxg5 hxg5 $19) 48... Kg7 (48... g5 49. hxg5 hxg5
50. g4 $19) 49. g4 Bc2 50. Kf4 (50. g5 Ba4 $19) 50... Kf8 51. Ke3 (51. g5 hxg5+
52. hxg5 Ke8 $19) 51... Ke7 52. f4 (52. Kf4 Ke6 $19) 52... Ke6 53. Kd2 (53. Kf2
h5 54. Kg3 hxg4 55. Kxg4 f6 $19) 53... Be4 54. Ke3 Kd5 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Krijger, Martin"]
[Result "0-1"]
[PlyCount "64"]
[EventDate "1991.??.??"]

1. b4 c5 2. bxc5 Qa5 3. a4 $146 (3. e3 Nf6 4. Nf3 e6 (4... Qxc5 5. Ba3 Qa5 6.
Bb2 d5 7. Bd3 Nc6 8. Ne5 g6 9. Qe2 Bg7 10. Bb5 Qc7 11. f4 Ng4 12. Nd3 Bxb2 13.
Nxb2 Bf5 14. Nd3 O-O 15. h3 Nf6 16. O-O Ne4 17. Kh2 Qd6 18. c3 a6 19. Ba4 {
MChess-Leuschner/30 sec/move 1992/[Fritz 6 (2s)]/1/2-1/2 (43)}) 5. Nd4 Qxc5 6.
Ba3 Qb6 7. Bxf8 Rxf8 8. Nc3 d5 9. Bb5+ Bd7 10. Bxd7+ Nbxd7 11. Rb1 Qc7 12. Qe2
Nb6 13. Qb5+ Qd7 14. a4 Rh8 15. a5 Nc4 16. Qxd7+ Nxd7 17. e4 Nxa5 {
MChess-Leuschner/3 min/move 1992/[Fritz 6 (2s)]/0-1 (70)}) (3. Nf3 Qxc5 4. g3
Nc6 5. Bg2 Nd4 6. Nxd4 Qxd4 7. c3 Qd6 8. d4 e5 9. e3 exd4 10. cxd4 Nf6 11. O-O
Be7 12. Qb3 O-O 13. Bd2 Rb8 14. a3 b6 15. Bb4 Qe6 16. Qxe6 fxe6 17. Bxe7 Rf7 {
slavisa3-kilmer48/Live Game Caissa's Web 2004/1/2-1/2 (47)}) 3... g6 4. Bb2 Nf6
5. c3 Qxc5 6. e3 Bg7 7. Nf3 O-O (7... d5 8. Qb3 $11) 8. Na3 (8. Ba3 $142 $5 Qb6
9. Bxe7 $16) 8... d5 $11 9. Nb5 a6 10. Ba3 Qb6 11. Nbd4 Re8 12. Rb1 Qc7 13. h3
e5 14. Ne2 Bf5 15. Rc1 Nbd7 16. g4 Be4 17. Ng3 Bxf3 18. Qxf3 e4 19. Qd1 Ne5 20.
Be2 Nfd7 21. d4 $2 (21. Qc2 $142 $5 $17) 21... exd3 $1 $19 22. Bxd3 Nxd3+ 23.
Qxd3 Ne5 24. Qe2 (24. Qxd5 Rad8 25. Qb3 Nd3+ 26. Kf1 Nxc1 27. Bxc1 Qc6 $19)
24... Nc4 25. Bb2 Nxe3 $1 26. Qxe3 (26. fxe3 Qe5 {Double attack} (26... Qxg3+ {
Deflection}) (26... Qe5 {Decoy}) (26... Qxg3+ {Overloading})) 26... Rxe3+ 27.
fxe3 Qxg3+ 28. Kd2 Qg2+ 29. Kd3 Qe4+ (29... Qxb2 $142 30. Rhd1 $19) 30. Kd2 Rd8
(30... Bh6 $5 31. Rhe1 Re8 32. Rcd1 $19) 31. Rhe1 Bh6 32. c4 (32. Re2 Qf3 $19)
32... Bxe3+ $1 (32... Bxe3+ 33. Rxe3 dxc4+ 34. Ke2 Qg2+ 35. Ke1 Qd2+ 36. Kf1
Qxe3 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van der Veken, Richard"]
[Result "0-1"]
[PlyCount "64"]
[EventDate "1992.??.??"]

1. b4 (1. Nf3 Nf6 $11) 1... e5 $15 2. Bb2 c5 (2... f6 3. a3 $15) 3. bxc5 $11
Nc6 4. Nf3 Bxc5 (4... e4 5. Nd4 Qf6 6. e3 Bxc5 7. Nc3 Nxd4 8. Nb5 $11) 5. e3 (
5. Nxe5 $2 Bxf2+ 6. Kxf2 Qb6+ 7. e3 Qxb2 8. Nxc6 Qxa1 $19 (8... dxc6 $6 9. Nc3
$11) (8... bxc6 $6 9. Nc3 $11)) 5... f6 (5... d6 6. d4 Qb6 7. Bc3 $11) 6. d4
$14 Qb6 7. Na3 $4 (7. Bc3 $142 Bb4 8. d5 $14) 7... Bxa3 (7... Qxb2 8. Nb5 Bb4+
9. Ke2 $19) 8. Bxa3 Qa5+ 9. Nd2 Qxa3 10. Qh5+ (10. dxe5 fxe5 11. Qg4 g6 $19)
10... g6 11. Qh4 (11. Qd1 exd4 12. e4 Qc3 $19) 11... Qc3 12. Rb1 Qxc2 (12...
exd4 13. Qe4+ Nge7 14. Rb3 Qa1+ 15. Rb1 Qxa2 16. exd4 $19) 13. Bc4 g5 (13...
exd4 $5 14. exd4 Nce7 15. Qe4 $19) 14. Qh5+ Qg6 15. Qf3 (15. Qxg6+ hxg6 16. Ne4
$19) 15... exd4 16. Qd5 (16. exd4 Nge7 $19) 16... Nge7 17. Qb5 Qf5 (17... dxe3
18. fxe3 a6 19. Qb3 $19) 18. Qb3 (18. Qxf5 Nxf5 19. e4 Nh4 $19) 18... Na5 (
18... dxe3 19. fxe3 d5 20. Be2 $19) 19. Bf7+ (19. Qb5 dxe3 20. fxe3 Qxb5 21.
Bxb5 Kf7 $19) 19... Kf8 20. e4 (20. Qa4 Kxf7 21. Rb5 $19) 20... Nxb3 21. exf5
Nxd2 22. Kxd2 Kxf7 23. g4 b6 24. Rhc1 (24. h4 Bb7 25. Rh3 Bg2 $19) 24... Ba6 (
24... h5 25. h3 $19) 25. Rb4 (25. Rb3 d5 26. h3 Bc4 $19) 25... d3 (25... h5 26.
Ra4 Bb5 27. Rb4 $19) 26. Rd4 (26. Ra4 Bb7 27. Rd4 Nd5 $19) 26... Rac8 (26... h5
27. h3 $19) 27. Rxd7 Rxc1 28. Kxc1 Rc8+ 29. Kd1 Rc2 30. Rxa7 Rxa2 31. f3 (31.
h3 b5 $19) 31... Ke8 32. h3 Nd5 (32... Nd5 33. Ra8+ Kd7 34. Ra7+ Kc6 35. Rf7
Nc3+ 36. Ke1 d2+ 37. Kf2 d1=Q+ 38. Ke3 Qd3#) 0-1

[Event "corr TKM/A004"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Palmkoeck, William"]
[Result "1-0"]
[PlyCount "35"]
[EventDate "2000.??.??"]

1. b4 c5 2. bxc5 e5 3. Bb2 Nc6 4. Nf3 Bxc5 5. e3 f6 6. Be2 (6. d4 Qb6 7. Bc3
Bb4 $14) 6... d5 $11 7. O-O d4 (7... Qb6 8. Ba3 $11) 8. exd4 Nxd4 (8... Bxd4 9.
Nxd4 Nxd4 10. Bxd4 Qxd4 11. c3 $14) 9. Nxd4 (9. Bxd4 Bxd4 10. c3 Bb6 $14) 9...
Bxd4 10. c3 Bb6 11. d4 Ne7 12. Qb3 Bf5 (12... Bd7 13. Rd1 $14) 13. Na3 exd4 14.
cxd4 Rc8 15. Bc4 Kf8 (15... a6 16. Rac1 $16) 16. Rae1 Qc7 (16... Ba5 17. Re2 (
17. Qxb7 Bxe1 18. Rxe1 Rb8 19. Rxe7 Rxb7 20. Rxb7 Qa5 $17) 17... Qc7 18. Rd1
$16) 17. Bc3 a5 (17... Re8 18. Bb4 a5 19. Nb5 $18) 18. Re3 $18 (18. Re3 Qd6 19.
Nb5 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Geemen, A."]
[Result "0-1"]
[PlyCount "58"]
[EventDate "1989.??.??"]

1. b4 c6 2. Bb2 d6 3. e3 (3. Nf3 Nf6 $11) 3... Qc7 (3... e5 4. d4 $11) 4. Nf3
e5 5. c4 e4 (5... Nf6 6. Be2 $11) 6. Nd4 Nf6 7. Nc2 (7. d3 d5 8. a3 dxc4 9.
dxc4 a5 $11) 7... Nbd7 (7... Be7 8. d3 $11) 8. d4 (8. d3 a5 $11) 8... d5 9. Nc3
a5 (9... dxc4 10. Bxc4 Bd6 11. Rc1 $15) 10. b5 $11 dxc4 11. Bxc4 Nb6 12. Be2 c5
(12... Nbd5 13. Nxd5 cxd5 14. Rc1 $11) 13. O-O (13. Rc1 c4 $11) 13... Be6 (
13... Bd6 14. dxc5 Qxc5 15. Rc1 $11) 14. dxc5 Nc4 (14... Bxc5 15. Nd4 Bxd4 16.
exd4 $11 (16. Qxd4 $2 Rd8 17. Nxe4 Rxd4 18. Nxf6+ gxf6 19. Bxd4 Rg8 $19)) 15.
Bxc4 Bxc4 16. b6 (16. Nxe4 $5 Nxe4 17. Qd4 $11) 16... Qxc5 $15 17. Na4 Qb5 (
17... Qg5 18. f4 Qh4 19. Bxf6 Qxf6 20. Rf2 $11) 18. Nd4 Qg5 19. f4 Qg6 20. Re1
Bb4 21. f5 (21. Bc3 O-O $15) 21... Qh6 22. Nc3 (22. Bc3 Bd6 23. g3 O-O $15)
22... O-O $17 23. Nc2 (23. a3 $5 Bd6 24. g3 $17) 23... Rfd8 $19 24. Qc1 Bd6 25.
h3 Qg5 26. Nd4 Rac8 27. Ba3 (27. Qb1 Qg3 28. Nce2 Qxe3+ 29. Kh1 $19) 27... Be5
28. Be7 (28. g4 Qh4 29. Qd2 Bxd4 30. exd4 Qg3+ 31. Qg2 Qxc3 $19) 28... Qg3 (
28... Bxd4 29. exd4 Qxf5 30. Bxd8 Rxd8 31. Nxe4 Nxe4 32. Qxc4 Qf2+ 33. Kh1 $16)
29. Nce2 Bxe2 (29... Bxe2 30. Nxe2 Qh2+ 31. Kf2 Rxc1 32. Raxc1 Re8 $19) 0-1

[Event "corr H364"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Antwerpen, G."]
[Result "1/2-1/2"]
[PlyCount "38"]
[EventDate "1991.??.??"]

1. b4 c6 2. Nc3 e5 3. a3 d5 4. Bb2 (4. d4 exd4 5. Qxd4 Nf6 $15) 4... Nf6 5. d4
exd4 (5... e4 6. Na4 $15) 6. Qxd4 $15 Be7 (6... Bf5 7. Qe5+ Be6 8. e4 $15) 7.
e3 $11 O-O 8. Nf3 c5 9. bxc5 Nc6 10. Qd2 Bxc5 11. Rd1 {
Increasing the pressure on the isolated pawn on d5} Qe7 12. Nxd5 Nxd5 13. Qxd5
Bxa3 14. Bxa3 Qxa3 15. Bd3 Qa5+ (15... Nb4 $142 $5 16. Qe5 Bg4 $11) 16. Qxa5
$16 Nxa5 17. Nd4 b6 18. O-O (18. Rg1 Rd8 $11) 18... f5 (18... Be6 19. Nxe6 fxe6
20. Rd2 $14) 19. Rfe1 g6 1/2-1/2

[Event "corr NED BV/93/28"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van der Zijden, Ton"]
[Result "0-1"]
[PlyCount "62"]
[EventDate "1993.??.??"]

{93/28} 1. b4 {93/28 93/28 93/28 93/28} c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5.
Bxa1 Qb6 6. c3 e5 7. e3 d5 8. d4 Nd7 (8... e4 9. b5 $15) 9. Bb2 (9. Nf3 e4 10.
Nfd2 Ngf6 $15) 9... e4 (9... Ngf6 10. dxe5 Nxe5 11. Ne2 $17) 10. Nd2 Bd6 11.
Ne2 Ne7 12. Ng3 f5 (12... Nf6 $5 $15) 13. Qh5+ $11 g6 14. Qh6 Nf6 15. Be2 f4 (
15... Qc7 16. O-O $11) 16. exf4 Qc7 17. Qg7 (17. b5 Bxf4 18. Qg7 Bxd2+ 19. Kd1
Rf8 20. Kxd2 Qf4+ 21. Kc2 Rg8 $19) 17... Rf8 18. f5 (18. b5 $11) 18... Bf4 (
18... e3 19. Ndf1 (19. fxe3 $4 Bxg3+ 20. Kd1 Nxf5 21. Qxc7 Nxe3+ 22. Kc1 Bxc7
$19) 19... exf2+ 20. Kxf2 $17) 19. Nb3 (19. fxg6 $5 Nxg6 20. Qxc7 Bxc7 21. Nh5
$14) 19... e3 (19... Nxf5 20. Qxc7 Bxc7 $15) 20. Bc1 (20. Rf1 $142 $15) 20...
exf2+ $19 21. Kf1 Bxg3 (21... Nxf5 22. Nxf5 Bxf5 23. Qxc7 Bxc7 24. Nc5 $17) 22.
Bh6 (22. hxg3 Qxg3 23. Bh6 Nd7 $17) 22... Rg8 (22... Nd7 23. Qxh7 Rf7 24. Qh8+
Nf8 25. hxg3 Nxf5 26. Bf4 $17) 23. Qxf6 $19 Nxf5 24. Qg5 Bh4 25. Qd2 g5 (25...
Nxh6 26. Qxh6 Qe7 27. Qf4 $19) 26. Bh5+ (26. g3 Qd6 27. gxh4 Qxh6 (27... Nxh6
28. hxg5 Rf8 29. Qe3+ Qe6 30. Qxe6+ Bxe6 31. Bh5+ Ke7 32. Nd2 Bh3+ 33. Ke2 $17)
28. Kxf2 Qxh4+ 29. Kg1 Kd8 $19) 26... Kd8 (26... Ke7 $142 27. g3 Qd6 28. Qe2+
Kd8 $19) 27. Bf3 $4 (27. g3 $142 $19) 27... Qf7 28. Nc1 (28. g3 Nxh6 29. Qxf2
Rf8 $19) 28... Nxh6 29. Nd3 Ng4 30. Bxg4 Bxg4 31. Ne5 Qf5 (31... Qf5 32. Qd3
Qf4 $19) 0-1

[Event "corr NED H"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "de Waard, Marco"]
[Result "1/2-1/2"]
[PlyCount "81"]
[EventDate "1991.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Nf3 Nd7 8.
d4 Ngf6 9. e3 e6 10. Bd3 Bd6 11. Bb2 (11. O-O O-O $11) 11... O-O $15 12. O-O e5
13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Nd2 Bg4 (15... Re8 16. Qc2 $15) 16. Qb1 $11 Re8
17. c4 Bxb2 18. Qxb2 dxc4 19. Nxc4 Qc7 20. e4 (20. Ra1 b5 21. Nd2 Qd6 $11)
20... b5 (20... Nxe4 $143 21. f3 b5 22. Na5 (22. fxg4 $6 bxc4 23. Bxc4 Nd6 $11)
22... Qb6+ 23. Kh1 Bxf3 24. Rxf3 $16) 21. Ne3 Qd6 22. Qc3 (22. Nxg4 Nxg4 23.
Ra1 Qxd3 $19) 22... h5 (22... Bh5 23. Nf5 Qe6 24. Rc1 $11) 23. f3 Bd7 24. Ra1
h4 25. Ra7 Qf4 26. Be2 Be6 27. Nf1 Rc8 28. Ra6 {Attacks the backward pawn on c6
} Qc7 29. Ne3 c5 (29... h3 30. e5 Nd7 31. f4 $11) 30. Qxc5 (30. Bxb5 $142 $5
cxb4 31. Qxb4 Qc1+ 32. Kf2 $14) 30... Qxc5 $15 31. bxc5 Rxc5 32. Kf2 (32. Ra5
Rc1+ 33. Kf2 b4 $11) 32... b4 33. Rb6 b3 34. Bd1 (34. Nf5 Nd7 35. Rb7 Ne5 $11 (
35... Bxf5 $143 36. exf5 b2 37. Rxb2 $14)) 34... Rc1 (34... Rc3 $142 $5 $17)
35. Bxb3 $14 Rb1 36. e5 Rb2+ 37. Ke1 Ne8 38. Rxe6 fxe6 39. Bxe6+ Kf8 40. f4 Nc7
41. Bf5 1/2-1/2

[Event "corr ICCF cup X"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Schug, Heinz_Erich"]
[Result "1/2-1/2"]
[PlyCount "91"]
[EventDate "1994.??.??"]

1. b4 (1. Nf3 Nf6 $11) 1... c6 (1... e5 2. Bb2 $15) 2. Bb2 (2. Nf3 d5 $11) 2...
a5 (2... Qb6 3. a3 $11) 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 Nf6 (6... e5
7. Nf3 e4 8. Ng1 $11) 7. e3 (7. Nf3 d5 $11) 7... d5 (7... e5 8. Nf3 e4 9. Nd4
$15) 8. Nf3 Bg4 9. d4 e6 10. Be2 (10. Bd3 Bd6 $11) 10... Bd6 11. O-O O-O 12. h3
(12. Nbd2 Nbd7 $15) 12... Bh5 (12... Bxf3 13. Bxf3 Nbd7 14. Nd2 $15) 13. Nbd2
Nbd7 14. g4 Bg6 15. Nh4 Ra8 (15... e5 16. f4 exf4 17. exf4 $11) 16. Nxg6 $11
hxg6 17. Qc2 (17. g5 Nh7 18. f4 Qc7 $11) 17... Nh7 (17... g5 18. e4 e5 19. dxe5
Bxe5 20. exd5 cxd5 21. Nf3 $15) 18. f4 e5 (18... Qc7 19. Nf3 $11) 19. fxe5 $14
Bxe5 20. Nf3 (20. dxe5 {A pinning theme} Qxe3+ {Theme: Double Attack}) 20...
Bg3 (20... Bd6 21. Bd3 $11) 21. Bd3 Re8 22. Qd2 (22. Kg2 Bb8 23. Qf2 Nhf6 $11)
22... Ndf6 23. Bb2 (23. c4 dxc4 24. Bxc4 Nd5 $15) 23... Qc7 (23... Ne4 24. Qg2
Bd6 25. Bxe4 Rxe4 26. Qf2 $15) 24. c4 dxc4 (24... Qe7 25. Kg2 Bc7 26. Bc1 $11)
25. Bxc4 $11 Qe7 {Attacking the backward pawn on e3} 26. Bc1 (26. Kg2 Bd6 $11)
26... b5 (26... Nd5 27. Qd3 $15) 27. Bb3 $11 Nd5 {
The pressure on the backward pawn e3 grows. Attacks the isolani on b4} 28. Qd3
Qe4 (28... Qxb4 29. e4 Nc3 30. Bxf7+ Kxf7 31. Bd2 $16) 29. Qxe4 $11 Rxe4 30.
Bd2 Nxe3 (30... Bd6 31. Ra1 Re7 32. Bxd5 cxd5 33. Ra6 $16) 31. Rc1 (31. Bxf7+
Kxf7 32. Ng5+ Ke7 33. Nxe4 Bh2+ 34. Kf2 Nxf1 35. Kxf1 Nf6 $14) 31... Kf8 (31...
Rf4 32. Bd1 (32. Bxe3 $2 Rxf3 33. Rf1 Rxe3 34. Bxf7+ Kh8 $19) 32... Nc4 33. Kg2
Nxd2 34. Kxg3 $16) 32. Rc3 (32. Rxc6 f5 $16) 32... Bf4 $14 33. Rxc6 Nf6 34. Rc5
Nexg4 35. Rc8+ (35. Bxf4 Rxf4 36. Ne5 Nxe5 37. dxe5 $11) 35... Ke7 $11 36. hxg4
Bxd2 37. Nxd2 Rxd4 38. Rc7+ (38. g5 Nh7 (38... Rxb4 $2 39. gxf6+ gxf6 40. Rc7+
Kd6 41. Rxf7 $18) 39. Rc7+ Kd6 40. Rxf7 Rxd2 41. Rxg7 Nf8 $11) 38... Nd7 $15
39. Nf3 Rd3 (39... Rxg4+ 40. Kf2 f6 41. Bc2 $15) 40. Bxf7 $11 Rxf3 41. Bxg6 Kd6
42. Rb7 Rf4 43. Bf5 Ne5 44. Rxb5 Nxg4 (44... g6 45. Bc8 $11) 45. Bxg4 Rxg4+ 46.
Kf2 1/2-1/2

[Event "corr TT"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bendig, Frank"]
[Result "1-0"]
[PlyCount "87"]
[EventDate "1993.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Qc2 e5 (7...
Nd7 8. Nf3 (8. e3 e5 (8... Ngf6 9. Nf3 (9. Be2 e5 10. d3 Bd6 11. Nf3 O-O 12.
O-O e4 13. dxe4 Nxe4 $15 {-0.31/10}) (9. d3 e5 10. Nf3 Bd6 11. Be2 Qc7 12. O-O
b6 13. Nbd2 O-O $11 {-0.25/10}) (9. Ne2 e6 10. Ng3 h5 11. Ne2 e5 12. d3 Bd6 13.
Bb2 h4 $15 {-0.66/11}) 9... e5 10. Be2 Qc7 11. d3 Bd6 12. Nbd2 b5 13. O-O O-O
$11 {-0.25/10}) 9. Be2 (9. Nf3 Ngf6 (9... Bd6 10. Be2 Ngf6 11. Nh4 g6 12. O-O
O-O 13. d3 Qc7 $11 {-0.25/10}) 10. Be2 Bd6 11. Nh4 Bc7 12. Nf5 g6 13. Nh6 Kf8
$15 {-0.44/11}) (9. d3 Bd6 (9... Ngf6 10. Nf3 Bd6 11. Be2 Qc7 12. Nbd2 b5 13.
O-O O-O $11 {-0.25/10}) 10. Nf3 Ngf6 11. Be2 O-O 12. O-O Re8 13. Nbd2 Qc7 $15 {
-0.31/10}) (9. Ne2 Ngf6 (9... Qc7 10. Ng3 Ngf6 11. Be2 b6 12. O-O Bd6 13. Nf5
O-O $11 {-0.13/10}) 10. Ng3 h5 11. h4 g6 12. Be2 Be7 13. d3 Bd6 $15 {-0.53/9})
9... Bd6 (9... Ngf6 10. Nf3 Bd6 11. d3 O-O 12. Nbd2 Qc7 13. O-O Re8 $15 {
-0.31/10}) (9... e4 10. c4 Ngf6 11. cxd5 Bxb4 12. Bg4 O-O 13. Bxd7 Nxd7 $15 {
-0.31/9}) 10. d3 Ngf6 11. Nf3 O-O 12. O-O Qc7 13. Nbd2 Re8 $15 {-0.31/11}) (8.
e4 Ngf6 (8... e5 9. exd5 (9. Nf3 Ngf6 (9... Bd6 10. exd5 cxd5 11. Na3 e4 12.
Nd4 Ngf6 13. Nab5 Bf4 $15 {-0.28/10}) 10. exd5 cxd5 11. Be2 Bd6 12. O-O e4 13.
Nd4 Be5 $15 {-0.38/9}) 9... cxd5 10. Nf3 Ngf6 11. Be2 Bd6 12. O-O e4 13. Nd4
O-O $15 {-0.31/9}) 9. exd5 cxd5 10. Nf3 e5 11. Be2 Bd6 12. Nh4 O-O 13. Nf5 Ne4
$15 {-0.34/10}) 8... e5 9. e3 (9. e4 Bd6 (9... Ngf6 10. exd5 cxd5 11. Be2 Bd6
12. Nh4 O-O $15 {-0.44/10} 13. Nf5 Ne4 $15 {-0.38/10}) 10. exd5 cxd5 11. Na3
Ngf6 12. Nb5 O-O 13. Nxd6 Qxd6 $15 {-0.47/9}) 9... Ngf6 10. Be2 Bd6 11. Nh4 e4
12. Nf5 Bf8 13. f3 Qa7 $11 {-0.19/9}) 8. Nf3 (8. e4 Nf6 (8... Nd7 9. exd5 cxd5
10. Be2 Bd6 11. Nf3 Ngf6 12. Nh4 O-O $15 {-0.44/10}) (8... Bd6 9. Nf3 dxe4 10.
Qxe4 Nf6 11. Qd3 Bc7 12. Qe3 e4 $15 {-0.44/10}) 9. exd5 cxd5 10. Nf3 Ng4 11. d3
Bd6 12. h3 Nf6 $15 {-0.59/10}) 8... e4 9. Nd4 Bd6 (9... Nf6 10. d3 $15 e3 11.
fxe3 Bd6 12. e4 dxe4 $15 {-0.38/9}) 10. c4 $11 Nf6 11. cxd5 (11. c5 Qa6 12. Bb2
(12. Bc3 Be7 $11 {-0.13/10}) 12... Be7 $11 {-0.06/9} (12... Be5 $11)) 11...
Bxb4 (11... Na6 12. dxc6 Nxb4 13. Qb3 bxc6 14. Na3 $15) 12. dxc6 $11 bxc6 13.
Nb3 Nbd7 14. g3 O-O 15. Bg2 Re8 16. Nc3 Nc5 17. O-O Bf5 18. Nd4 Bg6 19. Na2 Ba3
20. Qc3 Ra8 21. Nc2 Bb2 22. Bxb2 Rxa2 23. Ra1 Rxa1+ (23... Qxb2 $4 24. Qxb2
Rxa1+ 25. Qxa1 $18) (23... Rxb2 $4 24. Ra8+ Qb8 25. Rxb8+ Rxb8 26. Qxc5 Rb1+
27. Bf1 $18) 24. Bxa1 Qb1+ 25. Bf1 Qb6 26. Qa3 Nfd7 27. Bd4 f6 28. Nb4 Qb7 29.
Qc3 Qb5 30. e3 Nd3 31. Nxc6 Qb1 32. Ne7+ Kf7 33. Nxg6 Kxg6 34. Qa1 (34. Qc6
N3e5 35. Qd5 Nf3+ 36. Kg2 Nde5 37. Bxe5 Nxe5 $16) 34... Qxa1 $11 35. Bxa1 N7e5
(35... Ne1 36. Bc3 Ne5 37. d4 exd3 38. f4 $16) 36. Bxe5 $14 Nxe5 37. Kg2 Kf5
38. Ba6 g6 (38... Kg6 39. h4 $16) 39. Bc8+ Kg5 40. d4 exd3 41. f4+ Kh5 42. fxe5
d2 43. h3 f5 44. Bb7 (44. Bb7 d1=Q 45. Bf3+ Qxf3+ 46. Kxf3 $18) 1-0

[Event "corr SOK-95-110"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Rosner, Dirk"]
[Result "1-0"]
[PlyCount "103"]
[EventDate "1997.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 d5 7. Qc2 Nf6 8.
Nf3 Bg4 9. Ne5 Bh5 10. d4 (10. e3 Nbd7 11. Nxd7 Nxd7 $15) 10... Bg6 (10... Nbd7
11. Nxd7 Nxd7 12. e4 $15) 11. Nxg6 $11 hxg6 12. e3 (12. Nd2 Qc7 $11) 12... Qa7
(12... e6 13. Nd2 $11) 13. Bb2 Nbd7 (13... e6 14. Nd2 $11) 14. c4 e6 15. c5 b6
16. Nd2 bxc5 (16... Qc7 17. Nf3 $11) 17. bxc5 $14 Be7 18. Bd3 (18. Nf3 e5 $14)
18... Qc7 19. h3 O-O (19... e5 20. O-O e4 21. Be2 $11) 20. O-O $14 Ra8 21. Ra1
Rxa1+ 22. Bxa1 e5 23. Bc3 e4 24. Be2 Qa7 25. Qb3 (25. Nb3 Bd8 $14) 25... Bd8
26. f3 exf3 27. Bxf3 Nh5 28. Nf1 Nhf6 29. Be1 (29. Qc2 Bc7 $14) 29... Bc7 (
29... Nf8 30. Bg3 $14) 30. Bg3 (30. Qd3 Qa1 31. Bc3 Qa3 $14) 30... Kf8 (30...
Bxg3 31. Nxg3 Nf8 32. Qb6 $11) 31. Bxc7 $14 Qxc7 32. Kf2 (32. Qd3 Qa5 $14)
32... Qa7 (32... Kg8 33. Nd2 $14) 33. Ng3 Qa6 (33... Kg8 34. e4 Qa1 35. Qd3 $14
) 34. Be2 (34. e4 Qa1 35. Qe3 dxe4 36. Nxe4 Nd5 $14) 34... Qa7 35. Qd3 Kg8 36.
Qa6 (36. e4 dxe4 37. Nxe4 Nd5 $14) 36... Qxa6 (36... Qc7 $5 $14) 37. Bxa6 $16
Kf8 38. Bb7 Nb8 39. Kf3 Ke7 40. e4 Kd7 41. exd5 Nxd5 42. Ne4 Nb4 43. Nd6 (43.
g4 f5 44. gxf5 gxf5 $11) 43... f6 (43... Ke6 $142 $5 $11) 44. Bc8+ $16 Ke7 45.
g3 N8a6 46. Ke3 Nc7 47. Bg4 (47. Kd2 Ne6 $16) 47... Ne6 (47... f5 48. Bd1 $14)
48. Bd1 $16 Nd5+ 49. Kd3 Nb4+ 50. Kc4 Nd5 51. Bb3 Kd7 52. Kd3 (52. Kd3 Ne7 53.
Ke3 $16) 1-0

[Event "email SOK-E007A"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Rosner, Dirk"]
[Result "0-1"]
[PlyCount "90"]
[EventDate "1999.??.??"]

1. b4 c6 2. Bb2 a5 3. bxa5 Rxa5 4. c4 d5 5. e3 Nf6 (5... e6 6. Bc3 Ra8 7. f4
Nf6 8. Nf3 Nbd7 9. Qc2 Be7 10. Be5 O-O 11. Nc3 Ne8 12. Ne2 f6 13. Bb2 Nc5 14.
Ng3 Na4 15. Bd3 Nxb2 16. Qxb2 f5 17. O-O Ra3 18. Ne5 Qa5 19. Rfc1 Ra4 20. Qc2 {
Palmi,H-Lettl,G/Niederbayern-chA 1999/0-1 (41)}) 6. Nf3 Bg4 7. h3 $146 (7. d4
e6 8. Nbd2 Qb6 9. Bc3 Ra3 10. Qc2 Bxf3 11. gxf3 Be7 12. c5 Qc7 13. Bb4 Ra7 14.
a3 O-O 15. Bd3 Nbd7 16. f4 Rfa8 17. Ke2 h6 18. Rhg1 Nh5 19. Bg6 fxg6 20. Qxg6
Ndf6 21. Nf3 Qxf4 {Thiele,J-Haase/Sta-Neu 1991/[Fritz 8 (No MMX) (3s)]/0-1})
7... Bxf3 8. Qxf3 dxc4 9. Bxc4 e6 10. Nc3 Ba3 11. Rb1 b5 12. Bb3 b4 13. Bxa3
bxc3 (13... bxa3 $143 14. d4 $14) 14. Bc1 Qd3 15. Ra1 Ne4 16. Qe2 Qxe2+ 17.
Kxe2 cxd2 18. Bxd2 Nxd2 19. Kxd2 Ke7 20. Rhc1 Rc8 21. Ke2 Nd7 22. Rab1 c5 23.
Bc4 Ne5 24. Rb7+ Kd6 25. Bb3 Kc6 26. Rb4 Rca8 27. a4 h6 28. g3 Nd7 29. Rf4 Rb8
30. Rc3 Nf6 31. Rd3 Ra7 32. Rc4 Nd5 33. h4 h5 34. g4 Rab7 35. Bc2 Rb2 36. Kd2 (
36. Kd1 R8b4 37. Rdd4 hxg4 38. Rxg4 f5 $17) 36... Ra2 (36... R8b4 37. Rdd4 $17)
37. gxh5 Rbb2 38. Kc1 Nb4 39. Rdc3 Rxc2+ (39... Nxc2 $6 40. Rxc5+ Kd6 41. e4
$11) 40. Rxc2 Nxc2 (40... Rxc2+ $143 41. Rxc2 Nxc2 42. Kxc2 $16) 41. Rxc2 Rxa4
42. f4 Ra1+ 43. Kb2 Rg1 44. Kc3 Kd5 45. Kd3 c4+ $1 (45... c4+ 46. Kc3 Ke4 $19)
0-1

[Event "TKM/SF/02"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Myrberg, Johnny"]
[Result "1/2-1/2"]
[PlyCount "42"]
[EventDate "2001.??.??"]

1. b4 c6 2. Bb2 a5 3. bxa5 Qxa5 4. e3 d6 5. c4 e5 6. Bc3 Qc7 7. Be2 Nf6 8. Nf3
Bg4 9. O-O Nbd7 10. h3 Bh5 11. d3 d5 12. cxd5 Nxd5 13. Bb2 Bc5 14. Nbd2 O-O 15.
a4 b6 16. Nc4 f6 17. Nd4 $2 (17. d4 exd4 18. Nxd4 Bf7 $11) 17... Bxe2 (17...
exd4 $142 $5 18. Bxh5 dxe3 $17) 18. Nxe2 $11 f5 19. Nc3 (19. d4 exd4 20. Nxd4
Bxd4 21. Bxd4 b5 22. axb5 cxb5 23. Rxa8 Rxa8 $14) 19... Bb4 20. Nxd5 cxd5 21.
Na3 Bxa3 1/2-1/2

[Event "corr TKM/SF/02"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Schirmer, Michael"]
[Result "0-1"]
[PlyCount "38"]
[EventDate "2001.??.??"]

1. b4 c6 2. Bb2 Qb6 3. a3 d5 4. e3 Nf6 5. Nf3 Bg4 6. c4 dxc4 7. Bxc4 Nbd7 8.
O-O e6 9. d4 a5 10. Nc3 (10. bxa5 Qxa5 11. Nbd2 Be7 $11) 10... axb4 11. axb4
Rxa1 12. Qxa1 Bxf3 13. g3 $4 (13. gxf3 $142 Bd6 14. b5 $11) 13... Be7 (13...
Qxb4 $6 14. Qa8+ Nb8 15. Qxb8+ Ke7 16. Rb1 $11) (13... Bxb4 $6 14. Qa8+ Qd8 15.
Qxb7 Bxc3 16. Bxc3 $19) 14. Qa8+ Bd8 15. b5 O-O 16. Na4 Qc7 17. Qa7 (17. Rc1
Nb6 18. Nxb6 Qxb6 $19) 17... cxb5 18. Bxb5 Qc2 19. Qxb7 (19. Rc1 Qb3 20. Bxd7
Nxd7 21. Bc3 $19) 19... Bxb7 (19... Bxb7 20. d5 Bxd5 $19) 0-1

[Event "corr ICCF TT-3-90-5"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Andersson, Lars H"]
[Result "1/2-1/2"]
[PlyCount "96"]
[EventDate "1991.??.??"]

1. b4 c6 2. Bb2 d5 3. e3 Qb6 4. a3 a5 5. Bd4 Qc7 6. bxa5 $146 (6. f4 axb4 (6...
f6 7. b5 e5 8. fxe5 fxe5 9. Qh5+ Qf7 10. Qxe5+ Ne7 11. Nf3 Nd7 12. Qc7 Qg6 13.
Nc3 Nf5 14. bxc6 bxc6 15. Ne5 Nxe5 16. Bxe5 Be7 17. Bd3 Bd8 18. Bxf5 Bxf5 19.
Qb7 O-O 20. O-O Bg5 21. Rxf5 {
b4_player (2190)-RonaldHaring (2140)/GameColony.com 2003/1-0}) 7. axb4 Rxa1 8.
Bxa1 Qb6 (8... Nd7 9. Nf3 Ngf6 10. Qc1 e6 11. Qb2 b5 12. Be2 Be7 13. Nc3 O-O
14. Nd1 Qa7 15. Qb1 Bb7 16. Bd4 Qa3 17. c3 Ne4 18. O-O f5 19. Nf2 Ra8 20. Nxe4
fxe4 21. Ne5 Nxe5 22. fxe5 Qa2 23. Bg4 {Hort,V-Angantysson,H/BL 1984/1-0 (50)})
9. b5 cxb5 10. Nc3 {Meyer,C}) (6. c4 e5 7. Bb2 axb4 8. axb4 Rxa1 9. Bxa1 Bxb4
10. cxd5 cxd5 11. Qa4+ Nc6 12. Bb5 Nge7 13. Nf3 Bd6 14. O-O O-O 15. g3 Bg4 16.
Qxg4 Nb4 17. Bxe5 Bxe5 18. Nxe5 Qxe5 19. Qxb4 Rc8 20. d4 Qe6 {
Dopper,J-Van der Mark,W/1512 1993/[Fritz 8 (No MMX) (3s)]/0-1 (33)}) 6... Qxa5
7. Nf3 Nd7 8. Bc3 Qc7 9. d4 e6 10. Be2 b5 11. O-O Nb6 12. Qe1 Ra4 13. Bb2 Nf6
14. Nc3 Ra8 15. Bd3 Bd6 16. e4 dxe4 17. Nxe4 Nxe4 18. Qxe4 Bb7 19. Rfe1 c5 (
19... Na4 $5 20. Bc1 Nc3 $11) 20. Bxb5+ $16 Kf8 21. Qg4 h5 22. Qh3 c4 23. a4
Nd5 24. Ba3 Bxa3 25. Rxa3 Qe7 26. Raa1 Nf4 27. Qg3 g5 28. Nxg5 Nxg2 29. Re2 Qf6
30. Qe5 Qxe5 31. Rxe5 (31. dxe5 $6 Nf4 32. Rd2 Rg8 $14) 31... Rg8 32. Bxc4 Rc8
(32... Nf4 $5 33. Kf1 Rc8 $16) 33. Rb1 $18 Ba8 34. Rc5 (34. Ba6 Rd8 35. c3 Nf4
$18) 34... Re8 $2 (34... Ke7 $142 $5 35. Rxc8 Rxc8 $16) 35. Rb3 Ne1 36. Bb5 Rd8
37. Rg3 (37. Kf1 Nxc2 38. Nh7+ Kg7 39. Rg3+ Kh6 $18) 37... h4 38. Nh7+ Ke7 39.
Rc7+ (39. Rxg8 $142 $5 Nf3+ 40. Kf1 Rxg8 41. Rc7+ Kd8 42. Rxf7 $18) 39... Kd6
$16 40. Rd7+ $1 Rxd7 41. Rxg8 Ra7 42. Ng5 (42. c3 $142 $18) 42... Nxc2 $16 43.
Nxf7+ $1 Rxf7 44. Rxa8 Nxd4 45. Bf1 Rg7+ 46. Kh1 Nf3 47. Bg2 Ne1 48. Bf1 Nf3
1/2-1/2

[Event "1512"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van der Mark, W."]
[Result "0-1"]
[PlyCount "66"]
[EventDate "1993.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 c6 3. e3 Qb6 4. a3 a5 5. Bd4 Qc7 6.
c4 e5 7. Bb2 axb4 8. axb4 Rxa1 9. Bxa1 Bxb4 10. cxd5 cxd5 11. Qa4+ $146 (11.
Bb5+ Bd7 12. Qa4 Qc1+ 13. Ke2 Qxb1 14. Bxe5 Bf8 15. Bxd7+ Nxd7 16. Qa8+ Ke7 17.
Qa3+ Ke6 18. Qb2 Qxb2 19. Bxb2 Ne5 20. f4 Nc4 21. Bc3 Nf6 22. Nf3 Bc5 23. d4
Ne4 24. Ba1 Ra8 25. Rb1 Ra2+ {
Wartig,W-Woelfelschneider,P/corr SOK-96-119 1997/0-1}) 11... Nc6 12. Bb5 Nge7
$4 (12... Bd6 13. f4 f6 14. Ne2 $17) 13. Nf3 $4 (13. Qxb4 $142 $1 O-O 14. Qb2
$18) 13... Bd6 $17 14. O-O O-O 15. g3 Bg4 $4 (15... Be6 $142 $19) 16. Qxg4 $18
Nb4 $2 (16... Ra8 $142 17. Nc3 Qc8 $18) 17. Bxe5 $1 Bxe5 (17... Bxe5 18. Qxb4 {
Deflection} (18. Qxb4 {Overloading})) 18. Nxe5 Qxe5 19. Qxb4 Rc8 20. d4 Qe6 21.
Nd2 Nf5 22. Nf3 h5 23. Ne5 Qb6 (23... Rc7 24. Ra1 Kh7 25. Ra8 $18) 24. Nd7 (24.
Nxf7 Rc7 25. Ne5 Nd6 $18) 24... Qe6 25. Rb1 h4 26. Qe1 (26. Nc5 $5 Qe7 $18)
26... hxg3 27. Ne5 (27. hxg3 $142 Qd6 $18) 27... gxh2+ 28. Kh1 Rd8 29. Ng4 $4 (
29. Bd3 $142 $18) 29... Qe4+ $17 30. Kxh2 Qxg4 31. Qf1 $4 (31. Qd1 $142 Qh4+
32. Kg1 $17) 31... Rd6 $19 32. Qg2 Qh4+ 33. Qh3 (33. Kg1 Rg6 34. Qxg6 fxg6 35.
Bd7 Qg4+ 36. Kh2 $19) 33... Qxf2+ (33... Qxf2+ 34. Kh1 Rh6 35. Qxh6 Ng3#) 0-1

[Event "corr 3GMM-31"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Benhassine"]
[Result "1-0"]
[PlyCount "33"]
[EventDate "1997.??.??"]

1. b4 Nc6 2. b5 Nd4 3. e3 Ne6 4. Bb2 Nf6 (4... Ng5 5. Nf3 Nxf3+ 6. Qxf3 $14) 5.
Nf3 $14 g6 6. Be2 Bg7 7. O-O O-O 8. c4 (8. d4 a6 $11) 8... b6 (8... a6 9. d4
$11) 9. Nc3 Bb7 10. d4 d5 (10... a6 11. a4 $14) 11. Ne5 $16 Qd6 12. a4 Nd7 $2 (
12... Rfe8 $142 $16) 13. Ba3 $18 Ndc5 (13... Nec5 14. f4 (14. dxc5 $6 Qxe5 15.
c6 Qxc3 16. cxb7 Rab8 17. Qxd5 Nc5 $18) 14... dxc4 15. Bxc4 $18) 14. cxd5 (14.
f4 Rfd8 $18) 14... Bxd5 (14... Bxe5 15. dxe6 (15. dxe5 $6 Qxe5 16. Qe1 Bxd5 $16
) (15. dxc5 $6 Nxc5 (15... Bxh2+ $2 16. Kh1 Nxc5 17. Ne4 $18) 16. Bxc5 Bxh2+
17. Kh1 Qxc5 $15 (17... bxc5 $143 18. g3 $16)) 15... Bxh2+ 16. Kh1 Qxe6 17.
Kxh2 $18 (17. dxc5 $6 Be5 18. c6 Bxc6 19. bxc6 Bxc3 $18) (17. Bxc5 Qh3 18. d5
Qh4 19. Bxe7 Qxe7 $18)) 15. Nxd5 Qxd5 16. Nc6 (16. dxc5 $6 Qxe5 17. cxb6 axb6
$14) 16... Rfe8 (16... Qg5 17. Rc1 Nd8 18. dxc5 (18. Bxc5 $143 bxc5 19. Rxc5
Qf6 $18) 18... Nxc6 19. cxb6 $18) 17. dxc5 (17. dxc5 Qg5 18. cxb6 axb6 19. Rc1
$18) 1-0

[Event "corr NLD BV/91"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van den Berg, A."]
[Result "0-1"]
[PlyCount "32"]
[EventDate "1991.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 e4 5. Nd4 a5 6. Nc3 Nf6 7. bxa5 Rxa5 8. Nb3
Ra8 9. d3 Be7 10. dxe4 dxe4 11. Qxd6 cxd6 (11... Bxd6 12. Nb5 Bf4 13. e3 $14)
12. Rd1 $11 O-O (12... Be6 13. Nb5 O-O 14. Nxd6 $14) 13. Nb5 {
The backward pawn on d6 becomes a target} Bd8 (13... Ne8 $5 $11) 14. e3 (14.
Nxd6 Nbd7 $16) 14... Bg4 (14... d5 15. Bxf6 Bxf6 16. Rxd5 $14) 15. Rd4 (15. Be2
$142 Bxe2 16. Kxe2 $16) 15... Bf5 $2 (15... d5 $142 $11) 16. Ra4 $4 (16. Nxd6
$142 Be6 17. Nxe4 $18) 16... Rxa4 $19 (16... Rxa4 17. Nxd6 Be6 $19) 0-1

[Event "corr BV-93 Belgium"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Pasma, Gabriel"]
[Result "1-0"]
[PlyCount "111"]
[EventDate "1993.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 $11 e4 5. Nd4 Nf6 6. c4 dxc4 $15 7. e3 c5 (
7... Nbd7 8. Bxc4 Nb6 9. Be2 $11) 8. bxc5 $11 Qxc5 9. Qa4+ Bd7 10. Qxc4 Na6 (
10... Nc6 11. Qxc5 Bxc5 12. d3 $11) 11. Nb5 (11. Qb3 Qc8 $11) 11... Qxc4 12.
Bxc4 Be7 13. d3 O-O (13... exd3 14. Bxd3 Nc5 15. Bc4 $11) 14. N1c3 Nc5 (14...
exd3 15. Rd1 $11) 15. dxe4 $14 Nfxe4 16. Nxe4 Nxe4 17. O-O (17. Nd4 Rfd8 $11)
17... Rac8 (17... Rfc8 18. Rad1 Bxb5 19. Bxb5 $11) 18. Bd3 (18. Rfc1 Rc5 19.
Nd4 Rfc8 $11) 18... Nc5 19. Be2 Nb3 (19... a6 20. Nc3 $11) 20. Rad1 (20. Nxa7
$2 Rc2 21. Rab1 Rxe2 22. Bxg7 Kxg7 23. Rxb3 Rb8 $19) 20... Bxb5 (20... Rfd8 21.
Nd6 (21. Nxa7 $143 Rc2 22. Be5 Rxe2 $17) 21... Rc7 22. Be5 $14) 21. Bxb5 Rc2
22. Ba1 (22. Rb1 Nd2 23. Rfc1 Nxb1 24. Rxc2 Nxa3 $15) 22... Nxa1 (22... Nd2 23.
Rc1 Ra2 24. Rfd1 Bxa3 25. Rc7 $17) 23. Rxa1 $15 Rd8 24. Rfb1 Bf6 (24... Rcd2
25. Bc4 b6 26. g3 $15) 25. Rd1 $11 Rb8 (25... Kf8 26. Rxd8+ Bxd8 27. Rd1 $11)
26. Rac1 Rxc1 27. Rxc1 Bb2 28. Rc7 f6 (28... Bxa3 29. Bc4 $11) 29. Bc4+ Kh8 30.
a4 a6 31. g3 b5 (31... Be5 $5 32. Rd7 g6 $14) 32. axb5 $16 axb5 33. Bxb5 h5 (
33... g6 34. Bc6 $16) 34. Bd3 Rd8 (34... Be5 35. Rd7 $16) 35. Bg6 $18 Be5 36.
Rc4 Rf8 (36... Kg8 37. Bxh5 Kf8 38. f4 $18) 37. Kg2 (37. f4 Bd6 $18) 37... Rd8
38. Rh4 Kg8 39. Rxh5 Rd2 40. Rh4 Rd8 (40... Rd7 41. Rh7 $18) 41. Ra4 Kf8 (41...
Bb8 42. h4 $18) 42. Ra7 Kg8 (42... Rc8 43. f4 Bc3 44. h3 $18) 43. f4 Bd6 44. e4
(44. Kf3 Bb4 $18) 44... Bf8 (44... Bc5 45. Rc7 Bb6 46. Rb7 $18) 45. h4 Bb4 (
45... Bc5 46. Rb7 $18) 46. Kf3 (46. e5 fxe5 47. fxe5 Bc5 $18) 46... Rd3+ (46...
Bc3 47. h5 $18) 47. Kg4 Rd8 48. e5 fxe5 49. fxe5 Kf8 (49... Bc5 50. Rc7 Bb6 51.
Rb7 Rd4+ 52. Kf5 $18) 50. Rf7+ Kg8 51. Rb7 Rd4+ (51... Bc5 52. e6 Kf8 53. Rf7+
Kg8 54. e7 $18) 52. Kf5 Bf8 53. Bf7+ Kh7 54. Rb8 Bb4 (54... g5 55. Bg6+ Kg7 56.
Rb7+ Kg8 57. Kxg5 Rb4 $18) 55. Bg6+ Kh6 56. Rh8# 1-0

[Event "corr NED-USA"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Miller, Frank"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "1991.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 Nd7 5. e3 Ngf6 6. c4 e4 7. Nd4 dxc4 8. Bxc4
Ne5 (8... Nb6 9. Bb5+ c6 10. Be2 $15) 9. Qc2 (9. Nb5 Qe7 10. Bxe5 Qxe5 $11)
9... c6 10. Bf1 {White is in command} g6 (10... a5 11. b5 $15) 11. Nc3 $14 Bf5
12. Ncb5 Qe7 13. Nxf5 gxf5 14. Qc5 cxb5 (14... Qxc5 15. bxc5) 15. Qxe5 Qxe5 16.
Bxe5 Ke7 17. Bxb5 (17. d4 Rg8 $16) 17... Ke6 (17... Rg8 18. Rg1 $16) 18. d4 $18
Rc8 19. O-O (19. Rd1 Bd6 20. Bxf6 Kxf6 $16) 19... Rg8 20. Rac1 Be7 21. Ba4 (21.
Bc4+ Nd5 $18) 21... Nd5 $16 22. Bb3 b6 (22... b5 23. f3 $18) 23. Bg3 (23. f3
Bg5 24. Rxc8 Bxe3+ 25. Kh1 Rxc8 $18) 23... Bd6 (23... a5 $16) 24. a4 (24. Bxd5+
$142 $5 Kxd5 25. Bxd6 Kxd6 26. Rfd1 $16) 24... Bxb4 $14 25. Rb1 a5 (25... Bc3
26. f3 Bd2 27. Bxd5+ Kxd5 28. Rb5+ Kc4 29. Kf2 $14) 26. Rfc1 $16 Bd6 27. Bxd5+
Kxd5 28. Rb5+ Ke6 {Threatening mate: Rxc1} 29. Rcb1 Rc6 $4 (29... Bxg3 $142 30.
hxg3 Rb8 $16) 30. d5+ $18 (30. d5+ Ke7 31. dxc6 Bxg3 32. fxg3 $18) 1-0

[Event "NED-ch2 email"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Gouma, Ronald"]
[Result "0-1"]
[PlyCount "58"]
[EventDate "1999.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 f6 5. e3 Be6 6.
Be2 Nd7 7. O-O Be7 (7... c5 8. bxc5 Nxc5 9. d4 Na4 10. dxe5 fxe5 11. Bxe5 Qd7
12. Nc3 Nc5 13. Bb5 {1-0 polynesia46-medvidek (1665)/kurnik 2014}) 8. Qc1 (8.
d4 Nh6 $11 (8... e4 9. Nfd2 c6 10. c4 f5 11. cxd5 cxd5 12. Nb3 b6 13. Nc3 a6
14. b5 a5 15. a4 Bf7 16. Ba3 Qh6 17. Qd2 Rc8 18. Rfc1 Bxa3 19. Rxa3 Ne7 20. Ra2
O-O 21. Rac2 Be6 22. Nd1 Rxc2 23. Rxc2 {
Dopper,J (2175)-Gouma,R (2325)/corr KE03 NBC Email 2000/^--^- (38)})) (8. d3
Nh6 9. Nbd2 O-O 10. c4 c6 11. Rc1 dxc4 12. dxc4 Rac8 13. c5 Qc7 14. Ne4 Bd5 15.
Nc3 Be6 16. e4 Rcd8 17. Qc2 Nf7 18. Bd3 a6 19. Nd2 Nb8 20. Ne2 Rd7 21. Nc4 Rfd8
22. Rfd1 Bxc4 {ctrotter (2470)-workchess (2215)/net-chess.com 2011/1-0 (42)})
8... Nh6 9. c4 c6 10. d4 $146 (10. c5 Qc7 11. h3 O-O 12. d3 Rae8 13. Nbd2 Bd8
14. Re1 Kh8 15. Nf1 Qc8 16. N1h2 Bc7 17. Kh1 Qd8 18. Qc2 Qe7 19. Rg1 Qf7 20.
Nd2 f5 21. Raf1 f4 22. exf4 Qxf4 23. Ndf3 Qf7 24. Ng5 Qf5 {
Gugulski,M-Baluch,W/corr 1AMM Poland 1992/0-1 (50)}) 10... e4 11. Nfd2 O-O (
11... Ng4 12. f4 $11) 12. c5 Qc7 13. Qd1 (13. f3 f5 $11) 13... f5 14. Re1 (14.
Qb3 $5 $11) 14... f4 $17 15. Nf1 Bh4 16. Bc1 f3 $1 17. gxf3 exf3 18. Bxf3 Rxf3
19. Qxf3 {Decoy to f3} Rf8 20. Qe2 Bg4 21. Qd2 Bxf2+ 22. Qxf2 Rxf2 23. Kxf2 Qd8
24. Ng3 (24. Kg1 Qh4 25. Bd2 Bf3 $19) 24... Qh4 {Threatening mate... how?} 25.
Rg1 Bf5 26. Ke1 Qxh2 27. Ne2 Ng4 28. Rf1 (28. Kd2 Qf2 29. e4 Bxe4 30. Rxg4 Bf3
31. Rxg7+ Kxg7 $19) 28... Qh4+ 29. Kd1 Nf2+ (29... Nf2+ 30. Rxf2 Qxf2 $19) (
29... Nf2+ 30. Kd2 Nf6 $19) 0-1

[Event "corr KE03 NBC Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Gouma, Ronald"]
[Result "1/2-1/2"]
[WhiteElo "2175"]
[BlackElo "2325"]
[PlyCount "76"]
[EventDate "2000.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 f6 5. e3 Be6 6. Be2 Nd7 7. O-O Be7 (7... c5
8. bxc5 Nxc5 9. d4 Na4 10. dxe5 fxe5 11. Bxe5 Qd7 12. Nc3 Nc5 13. Bb5 {
1-0 polynesia46-medvidek (1665)/kurnik 2014}) 8. d4 (8. d3 Nh6 9. Nbd2 O-O 10.
c4 c6 11. Rc1 dxc4 12. dxc4 Rac8 13. c5 Qc7 14. Ne4 Bd5 15. Nc3 Be6 16. e4 Rcd8
17. Qc2 Nf7 18. Bd3 a6 19. Nd2 Nb8 20. Ne2 Rd7 21. Nc4 Rfd8 22. Rfd1 Bxc4 {
Ctrotter (2470)-Workchess (2215)/net-chess.com 2011/1-0 (42)}) (8. Qc1 Nh6 9.
c4 c6 10. d4 e4 11. Nfd2 O-O 12. c5 Qc7 13. Qd1 f5 14. Re1 f4 15. Nf1 Bh4 16.
Bc1 f3 17. gxf3 exf3 18. Bxf3 Rxf3 19. Qxf3 Rf8 20. Qe2 Bg4 21. Qd2 Bxf2+ 22.
Qxf2 Rxf2 {Dopper,J-Gouma,R/NED-ch2 email 1999/0-1}) 8... e4 9. Nfd2 c6 $146 (
9... Nh6 10. h3 O-O 11. c4 c6 12. c5 Qc7 13. Nc3 f5 14. f3 Bg5 15. f4 Bh4 16.
a4 g5 17. Kh2 gxf4 18. exf4 Bf6 19. Nb3 b6 20. g3 Kh8 21. b5 bxc5 22. dxc5 Rae8
23. Nd4 Nxc5 24. bxc6 {Van Esbroeck,D-Wozniak,A/corr 3GMM-33 1996/^--^-}) 10.
c4 f5 11. cxd5 cxd5 (11... Bxd5 12. Nc3 $14) 12. Nb3 (12. Nc3 Ngf6 $14) 12...
b6 (12... Ngf6 13. Nc3 $14) 13. Nc3 $16 a6 14. b5 (14. a4 Kf7 $16) 14... a5 15.
a4 (15. Rc1 Qb8 $14) 15... Bf7 (15... Qb8 16. Rc1 $11) 16. Ba3 (16. f3 Ngf6 $11
) 16... Qh6 $11 17. Qd2 (17. Qb1 Bxa3 18. Rxa3 Rc8 $11) 17... Rc8 18. Rfc1 (18.
Nb1 Bxa3 19. Rxa3 Ne7 $11) 18... Bxa3 19. Rxa3 Ne7 20. Ra2 O-O 21. Rac2 Be6 22.
Nd1 (22. g3 g5 $11) 22... Rxc2 23. Rxc2 g5 24. f4 exf3 25. Bxf3 g4 26. Be2 Nf6
27. Rc7 (27. Qe1 Ne4 $11) 27... Ne4 28. Qe1 Rf7 29. Nd2 f4 30. Nxe4 dxe4 31.
exf4 Qxf4 32. Bc4 Bxc4 33. Rxc4 Nd5 34. Rc8+ Kg7 35. Re8 {
Attacking the isolated pawn on e4} e3 (35... Nf6 36. Rc8 $11) 36. Nxe3 Nxe3 (
36... Qxd4 37. h3 $11) 37. Rxe3 Qxd4 38. Qc3 (38. h3 Re7 39. Qc3 Re4 $11) 38...
Qxc3 1/2-1/2

[Event "corr SOK-93-95"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Andersson, Lars H"]
[Result "0-1"]
[PlyCount "46"]
[EventDate "1994.??.??"]

1. b4 d5 2. Bb2 Bf5 3. e3 Nd7 4. c4 e5 $15 5. b5 (5. Nf3 Qf6 $15) 5... Nc5 (
5... Ngf6 6. Nf3 Bd6 7. d4 $15) 6. d4 (6. Bxe5 dxc4 7. Bxc4 Bd3 $19) 6... exd4
7. Bxd4 Ne4 (7... Nf6 8. Nc3 $11) 8. Nc3 (8. a3 Ngf6 $11) 8... Bb4 (8... Ngf6
9. Nxe4 Nxe4 10. Qa4 $15) 9. Qb3 c5 (9... Bxc3+ 10. Bxc3 Nxc3 11. Qxc3 Qf6 $11)
10. Bxg7 (10. bxc6 Qh4 11. g3 Bxc3+ 12. Bxc3 $18) 10... dxc4 (10... d4 11.
O-O-O Nxc3 12. Bxh8 Nxd1 13. Qxd1 Ba3+ 14. Kd2 dxe3+ 15. Ke2 Qxd1+ 16. Kxd1
Rd8+ 17. Ke2 Bd3+ 18. Kxe3 Bxf1 19. Ne2 $19) 11. Qb2 Ngf6 12. Nge2 Rg8 13. Bxf6
Qxf6 (13... Nxf6 $6 14. a3 Ba5 15. Rd1 $11) 14. a3 $2 (14. Rc1 Bg4 15. f3 Bxf3
16. gxf3 Qxf3 $19) 14... Bxc3+ (14... Nxc3 $6 15. axb4 cxb4 16. Rc1 $15) 15.
Nxc3 Qxc3+ (15... Nxc3 $6 16. Rc1 Ne4 17. Qxf6 Nxf6 18. Rxc4 $19) 16. Qxc3 Nxc3
17. Bxc4 Rg4 18. Bf1 Ra4 19. f3 (19. Kd2 Nb1+ 20. Kc1 Nxa3 $19) 19... Rd8 20.
h3 (20. g4 Be6 21. h4 c4 $19) 20... Bd3 21. Bxd3 Rxd3 22. b6 axb6 23. e4 (23.
Kf2 Rd2+ 24. Kg3 b5 $19) 23... b5 (23... b5 24. Kf2 Rd2+ 25. Kg3 Ne2+ 26. Kh2
Nf4 $19) 0-1

[Event "corr ICCF TT/SF/3"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Velker, Wim"]
[Result "0-1"]
[PlyCount "84"]
[EventDate "1993.??.??"]

1. b4 d5 2. Bb2 Bf5 3. e3 Nf6 $15 4. c4 e6 5. b5 dxc4 (5... Nbd7 6. Nf3 $15) 6.
Bxc4 Bd3 (6... a6 7. Nf3 $15) 7. Qb3 (7. Bxd3 Qxd3 8. Bxf6 gxf6 $11) 7... Bxc4
8. Qxc4 Qd5 (8... Bd6 9. Nf3 $15) 9. Qxd5 (9. Qxc7 Nbd7 (9... Qxb5 $4 10. Qc8+
Ke7 11. Ba3+ Qb4 12. Bxb4#) 10. Nf3 Bd6 $11) 9... Nxd5 (9... exd5 $143 10. Bxf6
gxf6 11. Nc3 $16) 10. a3 (10. Nc3 Nb4 11. Ke2 Nd7 $11) 10... a6 $15 11. bxa6
Rxa6 (11... Nxa6 12. Nc3 $15) 12. d4 (12. d3 Nd7 13. Kd2 Nc5 $15) 12... Nc6 13.
Nd2 Be7 14. Ngf3 Kd7 15. Nc4 f6 (15... Bf6 16. e4 Nf4 17. Rd1 Nxg2+ 18. Kf1 $15
) 16. O-O (16. e4 $5 Nf4 17. Bc1 $11) 16... Rha8 {
The pressure on the isolated pawn grows} 17. Rab1 Nb6 (17... b5 18. Ncd2 $15)
18. Nfd2 (18. Nxb6+ Rxb6 19. Nd2 Rba6 $15 (19... Bxa3 $143 20. Nc4 Rxb2 21.
Nxb2 $14)) 18... Nxc4 $17 19. Nxc4 Ra4 (19... Na7 20. Ra1 $17) 20. Rfc1 Na5 21.
Nxa5 R4xa5 22. Kf1 (22. e4 b6 $17 (22... Bxa3 $6 23. Bxa3 Rxa3 24. Rxb7 $11))
22... Kc8 (22... b6 23. Rc3 $17) 23. Ke2 (23. Rc3 Bxa3 24. Bxa3 Rxa3 25. Rxa3
Rxa3 $17) 23... Bxa3 24. Bxa3 Rxa3 25. Rb5 (25. Rc2 c6 $17) 25... Ra2+ 26. Kf3
Rd2 (26... c6 27. Rb3 $17) 27. Rbc5 c6 28. R5c2 Ra2 29. Rxd2 Rxd2 30. Ra1 b5 (
30... Kb8 31. h4 $17) 31. Ra8+ Kb7 32. Rg8 g6 33. Rg7+ Kb6 34. Rxh7 b4 35. Rh8
Kb5 36. Rb8+ Kc4 37. Rc8 b3 38. Rxc6+ Kd3 39. Rb6 b2 40. g4 Kc2 41. Rc6+ Kd1
42. Rb6 Kc1 (42... Kc1 43. h4 b1=Q 44. Rxb1+ Kxb1 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "de Jonge, Evert"]
[Result "1-0"]
[PlyCount "103"]
[EventDate "1994.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Nf6 3. e3 Bf5 4. c4 e6 5. b5 b6 $146
(5... Bd6 6. cxd5 exd5 7. Nf3 c5 8. Be2 O-O 9. O-O Nbd7 10. d4 c4 11. Nc3 Rc8
12. Nd2 Re8 13. Bf3 Be6 14. e4 dxe4 15. Ndxe4 Bb8 16. Nxf6+ Nxf6 17. g3 Nd5 18.
Re1 Qd7 19. a4 b6 20. Qd2 {Gross,W-Merten,R/xvii/19 1989/1-0 (33)}) (5... Nbd7
6. cxd5 exd5 7. Nf3 Bd6 8. Be2 Qe7 (8... O-O 9. O-O c5 10. d3 Qc7 11. h3 Rfe8
12. Nbd2 Rad8 13. Qb3 d4 14. e4 Be6 15. Qc2 Bf4 16. Rfc1 Rc8 17. Qd1 Qb6 18. a4
a6 19. bxa6 Qxb2 20. Rcb1 Qc3 21. axb7 Rb8 22. a5 Bxd2 23. Nxd2 {
Sternik,R-Bakkers,M/corr SOK-91-76 1993/1-0 (38)}) 9. O-O h6 10. Nc3 Bh7 11. a4
O-O 12. d4 a5 13. Qb3 Nb6 14. Nd2 c5 15. dxc5 Bxc5 16. Bf3 Rfd8 17. Ne2 Bb4 18.
Rfd1 Rac8 19. Rac1 Rxc1 20. Nxc1 {
Kostrun,S (2245)-Loncar,R (2370)/Open, Zagreb CRO 2006/0-1 (44)}) (5... dxc4 6.
Bxc4 Bd3 7. Qb3 Bxc4 8. Qxc4 Qd5 9. Qxd5 Nxd5 10. a3 a6 11. bxa6 Rxa6 12. d4
Nc6 13. Nd2 Be7 14. Ngf3 Kd7 15. Nc4 f6 16. O-O Rha8 17. Rab1 Nb6 18. Nfd2 Nxc4
19. Nxc4 Ra4 20. Rfc1 {Dopper,J-Velker,W/corr ICCF TT/SF/3 1993/0-1 (42)}) (
5... Bd6 $5 $15) 6. Nf3 c5 7. cxd5 Nxd5 8. Nc3 Nxc3 9. Bxc3 Nd7 10. Be2 Nf6 11.
Ne5 Bd6 12. Nc6 Qc7 13. f4 Be4 (13... a6 14. Bxf6 gxf6 15. Qa4 $14) 14. Bf3 $14
Bxf3 15. Qxf3 Be7 16. Nxe7 Qxe7 $4 (16... Kxe7 $142 17. f5 Qd7 18. fxe6 fxe6
$14) 17. Qxa8+ $18 Qd8 18. Qxd8+ Kxd8 19. Bxf6+ gxf6 20. g3 f5 21. Kf2 Ke7 22.
d4 cxd4 23. exd4 Ra8 24. Rhc1 a5 (24... a6 25. a4 Kd7 26. Ke3 $18) 25. Rc7+ Kf6
26. Rac1 h5 27. R1c6 a4 (27... Rd8 28. Ke3 h4 29. Rxb6 hxg3 30. Rbb7 $18) 28.
Rxb6 a3 (28... Rd8 29. Ke3 $18) 29. Ra6 Rb8 30. b6 Rxb6 31. Rxb6 Kg6 32. Rbb7
e5 33. fxe5 (33. dxe5 h4 34. Rxf7 hxg3+ 35. Kxg3 Kh5 36. Rh7+ Kg6 37. Rbg7#)
33... f4 (33... Kh7 34. Rxf7+ Kg8 35. e6 f4 36. Rb8#) 34. Rxf7 fxg3+ 35. hxg3 (
35. Kxg3 Kg5 36. h4+ Kg6 37. Rf6#) 35... Kg5 (35... h4 36. Rf6+ Kh5 37. Kf3
hxg3 38. Kf4 g2 39. Rh7#) 36. Rg7+ (36. Rf6 Kg4 37. Rg7+ Kh3 38. Rh6 h4 39.
Rxh4#) 36... Kf5 (36... Kh6 37. d5 h4 38. g4 h3 39. Rh7+ Kg5 40. Kf3 h2 41.
Rbg7#) 37. Kf3 h4 (37... Ke6 38. Ke4 h4 39. d5#) 38. gxh4 (38. Rb6 hxg3 39.
Rf6#) 38... Ke6 39. h5 (39. Rbd7 Kf5 40. h5 Ke6 41. Rd6+ Kf5 42. Rf6#) 39...
Kd5 40. h6 (40. Rbc7 Kxd4 41. Rge7 Kd5 42. Kf4 Kd4 43. Red7#) 40... Kxd4 41. h7
Kxe5 (41... Kd5 42. Rgd7+ Kxe5 43. h8=Q+ Ke6 44. Qh6+ Ke5 45. Rb5#) 42. h8=Q
Kf6 (42... Kd5 43. Qd8+ Ke6 44. Rbe7+ Kf5 45. Qf8#) 43. Rgf7+ (43. Rb6+ Kf5 44.
Qh5#) 43... Ke6 44. Qf6+ (44. Qd8 Ke5 45. Rbe7#) 44... Kd5 45. Qf5+ (45. Rfd7+
Kc4 46. Qc6#) 45... Kd4 46. Rbd7+ (46. Rfd7+ Kc4 47. Qc2#) 46... Kc3 47. Qe5+ (
47. Qc5+ Kb2 48. Rd2+ Kb1 49. Qg1#) 47... Kc2 48. Rc7+ (48. Qc5+ Kb1 49. Rd2
Ka1 50. Qg1#) 48... Kb1 49. Rb7+ Kc2 (49... Kxa2 50. Qe3 Ka1 51. Qxa3#) 50.
Rfc7+ Kd2 (50... Kd3 51. Qd6#) 51. Qc3+ (51. Qe2#) 51... Kd1 52. Rb1# (52. Rd7#
) 1-0

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "in 't Veld"]
[Result "*"]
[PlyCount "20"]
[EventDate "1990.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 Bf5 4. c4 Nc6 5. a3 e6 6. Nf3 Bd6 (6... a6 7. cxd5
exd5 8. b5 $11) 7. c5 $14 Be7 8. Be2 a6 9. d4 O-O 10. O-O Ne4 (10... Ne4 11.
Nc3 Qd7 $11) *

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "in 't Veld"]
[Result "*"]
[PlyCount "20"]
[EventDate "1990.??.??"]

1. b4 {A00: Irregular Openings 'A00: Irregular Openings '} d5 2. Bb2 Nf6 3. e3
Bf5 4. c4 Nc6 5. a3 dxc4 6. Bxc4 Bd3 7. Qb3 Bxc4 8. Qxc4 e6 $146 (8... Qd5 9.
Qxd5 Nxd5 10. Nf3 e6 11. O-O a5 12. b5 Na7 13. a4 c6 14. bxc6 Nxc6 15. Nc3 Rd8
16. d4 Bd6 17. Rfc1 O-O 18. Nb5 f6 19. Nxd6 Rxd6 20. Ba3 Ncb4 21. Bxb4 axb4 22.
a5 Rc6 23. Rxc6 {Bonetti,S-Sigma 4/^--^- (42)}) 9. d4 (9. b5 Na5 10. Qa4 Qd5
$11) 9... Qd5 10. Qxd5 exd5 *

[Event "corr 3GMM1/2-02"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Borrmann, Fritz"]
[Result "1-0"]
[PlyCount "67"]
[EventDate "1997.??.??"]

1. b4 d5 2. Bb2 Bf5 3. e3 Nf6 4. Nf3 e6 5. b5 c5 6. c4 (6. Be2 Bd6 $11) 6...
Be7 7. Be2 dxc4 8. Bxc4 Bd3 (8... Nbd7 9. O-O $15) 9. Na3 O-O 10. Bxd3 Qxd3 11.
Ne5 Qd5 12. f3 Nbd7 (12... Qd8 13. O-O $11) 13. e4 Qd6 14. Nac4 Qc7 15. O-O
Rfd8 16. Qb3 Bd6 17. Nxd6 Qxd6 18. Nc4 Qc7 (18... Qf4 19. Rfc1 $11) 19. Rac1 e5
(19... b6 20. d4 $14) 20. f4 $14 {White gets kings attack} exf4 21. e5 Ng4 (
21... Ne8 22. Rxf4 Nf8 23. Nd6 Nxd6 24. exd6 Rxd6 25. Be5 $16) 22. Rxf4 Ndxe5
23. Nxe5 Nxe5 24. Bxe5 Qxe5 25. Qxf7+ Kh8 26. Rcf1 {Do you see the mate threat?
} h6 27. Qxb7 Qb8 (27... Rab8 28. Qxa7 Rxb5 29. Qa6 $14) 28. Qc6 (28. Qxb8
Raxb8 29. a4 Rxd2 30. Rf8+ Rxf8 31. Rxf8+ Kh7 $16) 28... Qb6 29. Rf7 Rab8 (
29... Rac8 $5 30. Qb7 Qxb7 31. Rxb7 Rxd2 32. Rxa7 Re8 $16) 30. a4 $18 Rd6 $2 (
30... c4+ $142 31. Kh1 Qd4 $18) 31. Rf8+ Kh7 32. Qe4+ Rg6 33. Rxb8 Qxb8 34. h4
(34. h4 h5 35. Rf5 $18) 1-0

[Event "corr SOK-93-95"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Gross, Wilhelm"]
[Result "0-1"]
[PlyCount "72"]
[EventDate "1993.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 Bf5 4. c4 e6 $15 5. b5 dxc4 6. Bxc4 Nbd7 (6... Bd6 7.
Qf3 Be4 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. f3 $11) 7. Nf3 h6 (7... Nb6 8. Be2 $15)
8. O-O $11 Rc8 (8... Nb6 9. Be2 $11) 9. d4 (9. Nc3 Nb6 10. Be2 Bd3 $11) 9... c5
(9... Bd6 10. Qa4 $11) 10. bxc6 (10. Qa4 Nb6 11. Qb3 cxd4 $17) 10... Rxc6 11.
Nbd2 Bd6 12. Ne5 (12. Qb3 Rb6 13. Bb5 a6 14. Bxd7+ Nxd7 $17 (14... Kxd7 $143
15. Qa4+ Ke7 16. Ba3 $11)) 12... Rc8 (12... Rb6 13. Nb3 $11) 13. Bb5 (13. Qa4
Ne4 14. Nxe4 Bxe4 $16) 13... O-O 14. e4 Bh7 15. Nxd7 Nxd7 16. Nc4 Bb8 (16...
Be7 17. Qf3 $14) 17. Ba3 (17. Qf3 $142 $14) 17... a6 (17... Bxe4 $142 18. Bxf8
Qxf8 $11) 18. Bxd7 $16 Rxc4 19. Bxf8 Kxf8 $2 (19... Qxd7 20. Qd3 Qc7 $17) 20.
Qd3 $11 b5 21. Bxe6 (21. Qa3+ $5 Kg8 22. Bxe6 fxe6 23. Qxa6 $15) 21... fxe6 22.
Rad1 Qh4 {Threatening mate: Qxh2} 23. Qf3+ (23. Qa3+ b4 24. Qf3+ Kg8 $17) 23...
Kg8 $19 {Black launches an attack} 24. e5 Be4 25. Qe3 (25. Qg3 Qxg3 26. fxg3
Ba7 $19) 25... Bd5 26. Rd2 (26. f3 Ba7 27. f4 Rc2 $19) 26... Ba7 27. Rfd1 Ra4 (
27... Bb6 28. a3 $17) 28. Qc3 (28. a3 Rc4 $17) 28... Qe4 {
Do you see the mate threat?} 29. f3 (29. Qg3 Bxd4 30. Qh3 Bxe5 31. Rxd5 exd5
$19) 29... Qxe5 30. a3 (30. Kh1 Qf6 $19) 30... Rc4 31. Qb2 Qf4 32. Rd3 e5 33.
Kh1 e4 (33... Bxd4 $142 $5 34. Qe2 $19) 34. fxe4 Bxe4 (34... Qxe4 35. Kg1 $19)
35. Qd2 Bb8 {Threatening mate: Qxh2} 36. Qxf4 Bxf4 (36... Bxf4 37. d5 Bxd3 $19)
0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bloom"]
[Result "1/2-1/2"]
[PlyCount "62"]
[EventDate "1994.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 d5 4. e3 Nbd7 5. c4 c6 (5... Bd6 6. d4 $15) 6. Nc3 (
6. Nf3 Bd6 $15) 6... Nb6 7. cxd5 cxd5 8. Nf3 Nc4 (8... Bd6 $5 $11) 9. Bxc4 $14
dxc4 10. Qa4 Qc7 (10... Bd6 11. Qxc4 e5 12. Ne4 Nxe4 13. Qxe4 $16) 11. b6+ $16
Qc6 12. Nb5 (12. Qxc6+ $142 bxc6 13. bxa7 $14) 12... Nd5 $4 (12... Kd8 $142 $14
) 13. Ne5 $18 Nxb6 14. Nc7+ Kd8 15. Nxc6+ Kxc7 (15... bxc6 16. Qxc6 Bd7 17. Qb7
$18 (17. Nxa8 $6 Bxc6 18. Nxb6 axb6 $16)) 16. Be5+ Bd6 (16... Kd7 17. Nb8+ Kd8
18. Qa5 $18) 17. Bxd6+ (17. Qa3 $142 $1 Bxe5 18. Nxe5 $18) 17... Kxd6 18. Qd1 (
18. Qb4+ Kxc6 19. Qe7 Bd7 $18) 18... bxc6 19. O-O Ba6 (19... e5 20. d4 cxd3 21.
Qxd3+ Ke7 22. Qa3+ Kf6 23. f4 $18) 20. Re1 (20. Qg4 Ke7 $18) 20... Ke7 21. e4 (
21. Qg4 Kf8 $18) 21... Rhd8 22. Re3 (22. Qh5 h6 $18) 22... g6 (22... Kf8 23.
Qh5 Kg8 24. a4 $18) 23. Qc2 (23. Qc1 Bb5 $18) 23... Rd6 (23... Rd3 24. Re2 $18)
24. Qc3 c5 25. Rf3 Nd7 26. Rc1 (26. Qg7 Rf8 $18) 26... f6 27. Qa5 (27. Rh3 h5
$18) 27... Rd8 (27... Rb8 28. Rh3 h5 29. Rg3 $18) 28. h3 (28. Rh3 $5 h5 $18)
28... Ne5 29. Ra3 Rc8 (29... Nd3 30. Rb1 e5 $18) 30. d3 $4 (30. Rb1 $142 $5 Nd3
$18) 30... Nxd3 (30... cxd3 31. Qd2 Nc4 32. Rxc4 Bxc4 33. Rxa7+ Rd7 34. Rxd7+
Kxd7 $11) 31. Rd1 (31. Rcc3 Rcd8 $18) 31... Rcc6 1/2-1/2

[Event "corr"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Loomans, John"]
[Result "1-0"]
[PlyCount "119"]
[EventDate "1988.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 e6 3. e3 Nf6 4. b5 c6 5. c4 dxc4 6.
Bxc4 cxb5 7. Bxb5+ Bd7 8. a4 (8. Be2 Bc6 9. Nf3 Be7 10. O-O Nbd7 11. Nd4 Bd5
12. Nc3 O-O 13. d3 b6 14. Nxd5 Nxd5 15. Nc6 Qe8 16. Nxe7+ Qxe7 17. Bf3 Rac8 18.
Bxd5 exd5 19. Qg4 Nf6 20. Qg5 Rfd8 21. Rac1 Rxc1 22. Rxc1 Kf8 {
Bulcourf,C (2295)-Etchelecu,O/Olivos op 1993/1-0 (68)}) (8. Bxd7+ Nbxd7 9. Nf3
Bc5 10. Nc3 O-O 11. O-O Rc8 12. Rc1 a6 13. d4 Ba7 14. e4 Qe7 15. Qb3 b5 16. Ba3
Qe8 17. e5 Nd5 18. Nxd5 exd5 19. Qxd5 Nb6 20. Qb7 Rb8 21. Qxa7 {
1-0 pierre-schack08/internet 2008}) 8... Be7 $146 (8... a6 9. Be2 Bb4 10. Nf3
O-O 11. O-O Nc6 12. d4 Nd5 13. Nbd2 Nb6 14. Bd3 Ne7 15. Qb3 {
Dopper,J-Verroen,H/1-388 1988}) (8... Na6 9. Nf3 $11) 9. Be2 (9. Nf3 a6 10. Be2
Nc6 $11) 9... O-O (9... Nc6 10. Nc3 $15) 10. Nf3 Nc6 (10... Qb6 11. Ba3 Nc6 12.
O-O $11) 11. O-O Qb6 (11... Rc8 12. Na3 $11) 12. Ba3 (12. Na3 Rfc8 $11) 12...
Rfc8 (12... Rac8 13. Nc3 $11) 13. d4 (13. Nc3 Bxa3 14. Rxa3 e5 $11) 13... Nb4 (
13... Rc7 14. Nbd2 Bxa3 15. Rxa3 $11) 14. Ne5 Bc6 (14... Qd8 15. Qb3 Nc2 16.
Ra2 Nxa3 17. Nxa3 $11) 15. Nd2 $14 Bd5 16. Rb1 a5 17. Bc4 (17. Ndc4 Qd8 18. Rc1
Na2 19. Bxe7 Qxe7 $11) 17... Qd8 18. Rc1 (18. Qb3 Bd6 19. Rfd1 Rab8 $11) 18...
Bd6 (18... Nd7 19. Bxd5 Rxc1 20. Qxc1 exd5 21. Qb1 $11) 19. Qb3 (19. Qe2 Bc6
20. Nxc6 Rxc6 $14) 19... Qb6 (19... Bxe5 20. dxe5 Ng4 21. Bxd5 Qxd5 22. Qxd5
exd5 23. Nf3 $11) 20. Bxd5 (20. Rfd1 Rd8 $14) 20... exd5 $11 21. Ndf3 (21. g3
Re8 $11) 21... Re8 $14 22. Nd3 Reb8 (22... Ne4 23. Rfd1 $14) 23. Ra1 (23. Nfe5
Re8 $14) 23... Rc8 (23... Re8 24. Rab1 $16) 24. Rfb1 (24. Nfe5 Qc7 25. Rfc1 Qe7
$11) 24... Ne4 $11 25. Rc1 Nf6 (25... h6 26. Nde5 $11) 26. Rab1 (26. Nfe5 g6
$14) 26... Rxc1+ (26... Ne4 $5 $11) 27. Rxc1 $14 h6 (27... Re8 28. Nfe5 $14)
28. h3 (28. Nfe5 Re8 $14) 28... Kh7 (28... Ne4 $5 $14) 29. Rb1 $16 Rc8 30. Nfe5
Kg8 (30... Rc7 31. f3 $16) 31. Nxb4 axb4 32. Bxb4 Bxb4 33. Nd3 (33. Kh2 Ne4 34.
Qxb4 Qxb4 35. Rxb4 Nxf2 36. Rxb7 Nd1 $16) 33... Ne4 (33... Rc4 $5 34. Nxb4 Qc7
$16) 34. Qxb4 $18 (34. Nxb4 $2 Nd2 35. a5 Qxa5 36. Qxd5 Qxb4 37. Qxf7+ Kxf7 38.
Rxb4 Rc1+ 39. Kh2 Nf1+ 40. Kg1 Nxe3+ 41. Kh2 Nf1+ 42. Kh1 Nd2+ 43. Kh2 Rb1 $19)
34... Qxb4 35. Rxb4 Rc4 (35... Ra8 36. f3 Nc3 37. Rb3 Nxa4 38. Rxb7 $18) 36.
Rxb7 (36. a5 $5 Rc3 37. Nf4 Ra3 $18) 36... Rxa4 $16 37. Rb8+ (37. Rb2 Ra3 38.
Nb4 Nc3 $16) 37... Kh7 38. Nf4 (38. Rb2 Ra3 39. Nb4 Nc3 $16) 38... Ra1+ 39. Kh2
Nxf2 40. Nxd5 Ne4 41. Re8 Nd6 42. Re7 (42. Re5 g6 $16) 42... Kg6 (42... Ra5 43.
Nf4 $16) 43. g4 Ra5 44. Re5 Ra3 (44... Nc4 45. Ne7+ Kf6 46. Ng8+ Kg6 47. Rxa5
Nxa5 48. Kg3 $18) 45. Kg3 $18 Nc4 (45... Kh7 46. Kf3 $18) 46. Re7 $16 Nd6 (
46... h5 47. gxh5+ Kxh5 48. Rxf7 Nxe3 49. Nxe3 Rxe3+ 50. Kf4 $18) 47. Rd7 $18
Ne4+ (47... Nc4 48. Kf4 $18) 48. Kf4 Nf2 (48... Nc3 49. Ne7+ Kf6 50. Nf5 Ne2+
51. Kf3 Ng1+ 52. Kg2 $18) 49. h4 Ra5 (49... Nd3+ 50. Ke4 $18) 50. Ne7+ Kf6 51.
Ng8+ (51. Kf3 Nd3 $18) 51... Kg6 52. Ne7+ Kf6 53. Nf5 (53. Kf3 Nd3 $18) 53...
Ra6 54. Rd6+ (54. Kf3 Nd1 $18) 54... Rxd6 55. Nxd6 g6 $4 (55... Nd3+ $142 56.
Ke4 Nf2+ 57. Kf3 Nd3 $18) 56. Ne4+ {White plans g5} Nxe4 (56... Ke7 57. Nxf2
Ke6 58. Ne4 $18) 57. Kxe4 Ke7 (57... g5 58. hxg5+ Kxg5 59. Ke5 $18) 58. Kf4 Kd6
59. e4 Ke7 60. g5 (60. g5 hxg5+ 61. Kxg5 $18) 1-0

[Event "1-388"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verroen, H."]
[Result "*"]
[PlyCount "29"]
[EventDate "1988.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 e6 3. e3 Nf6 4. b5 c6 5. c4 dxc4 6.
Bxc4 cxb5 7. Bxb5+ Bd7 8. a4 (8. Be2 Bc6 9. Nf3 Be7 10. O-O Nbd7 11. Nd4 Bd5
12. Nc3 O-O 13. d3 b6 14. Nxd5 Nxd5 15. Nc6 Qe8 16. Nxe7+ Qxe7 17. Bf3 Rac8 18.
Bxd5 exd5 19. Qg4 Nf6 20. Qg5 Rfd8 21. Rac1 Rxc1 22. Rxc1 Kf8 {
Bulcourf,C (2295)-Etchelecu,O/Olivos op 1993/1-0 (68)}) (8. Bxd7+ Nbxd7 9. Nf3
Bc5 10. Nc3 O-O 11. O-O Rc8 12. Rc1 a6 13. d4 Ba7 14. e4 Qe7 15. Qb3 b5 16. Ba3
Qe8 17. e5 Nd5 18. Nxd5 exd5 19. Qxd5 Nb6 20. Qb7 Rb8 21. Qxa7 {
1-0 pierre-schack08/internet 2008}) 8... a6 $146 (8... Be7 9. Be2 O-O 10. Nf3
Nc6 11. O-O Qb6 12. Ba3 Rfc8 13. d4 Nb4 14. Ne5 Bc6 15. Nd2 Bd5 16. Rb1 a5 17.
Bc4 Qd8 18. Rc1 Bd6 19. Qb3 Qb6 20. Bxd5 exd5 21. Ndf3 Re8 22. Nd3 Reb8 23. Ra1
{Dopper,J-Loomans,J/corr 1988/1-0 (60)}) 9. Be2 Bb4 (9... Nc6 10. Nf3 $11) 10.
Nf3 O-O (10... Nc6 11. O-O $11) 11. O-O Nc6 12. d4 Nd5 (12... Rc8 13. Nbd2 $11)
13. Nbd2 (13. g3 f5 $11) 13... Nb6 (13... f6 14. Ne4 $11) 14. Bd3 (14. Ne4 Nd5
$14) 14... Ne7 (14... Qe7 $5 $11) 15. Qb3 $16 *

[Event "corr 3GMM-07"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Troc, Ryszard"]
[Result "1-0"]
[PlyCount "37"]
[EventDate "1994.??.??"]

1. b4 d5 2. Bb2 e6 3. e3 Nf6 4. b5 c6 5. a4 a6 6. c4 dxc4 $15 7. Bxc4 Be7 (7...
cxb5 8. axb5 Bd6 9. Qf3 $11) 8. Nc3 (8. bxc6 Nxc6 9. Nf3 O-O $15) 8... a5 (8...
axb5 9. axb5 Rxa1 10. Qxa1 $11) 9. Nf3 O-O 10. O-O Bd7 (10... cxb5 11. Bxb5 Bd7
12. Rc1 $11) 11. d3 $14 cxb5 12. axb5 b6 (12... Bd6 13. Qa4 $14) 13. Ne4 (13.
Qa4 Bd6 $14) 13... Nxe4 14. dxe4 Qe8 15. Qd4 {Do you see the mate threat?} Bf6
16. e5 Bd8 17. Ba3 Bxb5 $2 (17... Be7 $142 18. Bxe7 Qxe7 19. Qxb6 a4 $18) 18.
Bxb5 $18 Qxb5 19. Bxf8 (19. Bxf8 Nc6 20. Qd6 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "De Boer, Willem"]
[Result "1/2-1/2"]
[PlyCount "137"]
[EventDate "1992.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 a6 4. a4 axb5 5. axb5 Rxa1 6. Bxa1 d5 7. e3 Be7 8.
Nf3 $11 O-O 9. Be2 Ne4 (9... Nbd7 10. O-O $11) 10. O-O Qe8 11. d3 Nd6 12. c4
Nd7 13. Nbd2 Nc5 14. Qc2 dxc4 15. dxc4 f6 16. Bd4 b6 (16... Nf5 17. Bc3 $14)
17. Bxc5 $16 bxc5 18. Nb3 Nb7 19. Ra1 Bd6 (19... c6 20. Ra7 $14) 20. Ra8 Qh5
21. Ra7 g5 (21... Rd8 22. h3 e5 23. Ne1 $18) 22. h3 g4 23. hxg4 Qxg4 24. e4 (
24. Nh2 Qg7 $16) 24... Qh5 25. g3 Kh8 (25... Qg6 26. Qd3 $16) 26. Ne5 Qh6 (
26... Qxe5 $4 27. f4 Qd4+ 28. Nxd4 cxd4 29. Bd3 $18) 27. Ng4 Qg6 28. Qd3 h5 29.
Nh2 (29. e5 Qxd3 30. Bxd3 hxg4 31. exd6 cxd6 $11) 29... h4 $14 30. g4 (30. e5
Qxd3 31. Bxd3 Bxe5 32. gxh4 Rg8+ 33. Kh1 Bd4 $14) 30... Qg5 (30... Rd8 31. Qe3
$11) 31. Qh3 $14 f5 32. Nf3 {The isolani on h4 becomes a target} fxg4 33. Qxh4+
Qxh4 34. Nxh4 Rg8 35. Ng2 Kh7 (35... g3 36. f4 e5 37. f5 $16) 36. Ra8 (36. Ne3
g3 $16) 36... Be5 37. Bxg4 Rxg4 (37... Bd4 38. Rxc8 Rxc8 39. Bxe6 $16) 38. Rxc8
Rg8 39. Rxg8 Kxg8 40. f4 (40. Ne1 Kf7 $18) 40... Bd4+ $16 41. Kf1 Nd6 42. Nd2
Bc3 43. e5 Bxd2 44. exd6 cxd6 {The passed pawn on b5 will become decisive later
} 45. Ke2 (45. b6 Ba5 46. b7 Bc7 $16) 45... Ba5 $16 46. Ne3 Bc7 (46... Kf7 47.
f5 $16) 47. f5 $18 d5 (47... Kf7 48. fxe6+ Kxe6 49. Nd5 $18) 48. fxe6 d4 {
The passed pawn on e6 quickly leads to threats} (48... dxc4 $142 49. Nd5 Bd6
$18) 49. Nd5 Be5 (49... Bh2 50. Nf6+ Kf8 51. Nd7+ Ke7 52. Nxc5 $18) 50. Kd3 (
50. Nb6 Bb8 $18) 50... Kf8 51. Ke4 Bd6 52. Kf5 (52. b6 $142 $5 Ke8 $18) 52...
Ke8 (52... d3 $142 $5 $18) 53. b6 d3 54. Kf6 (54. Nf6+ Ke7 $18) 54... d2 55.
Nc3 Be7+ (55... Kd8 56. Kf5 $16) 56. Kg6 (56. Ke5 Bd8 57. b7 Bc7+ 58. Kf6 Bf4
$18) 56... Bh4 (56... Bd6 57. Kf5 $16) 57. b7 $18 {The mate threat is b8Q} Bg3
58. Kf6 Bh4+ 59. Ke5 Bg3+ 60. Kd5 (60. Ke4 Ke7 61. Kd3 Kxe6 62. Kxd2 Kd7 $18)
60... Ke7 61. Kxc5 {The passed pawn on c4 quickly leads to threats} Kxe6 62.
Kc6 Be5 63. Nd1 Bd6 (63... Bb8 64. c5 $18) 64. c5 Bb8 65. Kb6 Kd7 66. c6+ Kd6
67. Kb5 (67. Nc3 Bc7+ 68. Kb5 Ke7 $18) 67... Bc7 $2 (67... Ba7 $142 $5 $16) 68.
Nc3 (68. Ne3 Ke7 $18) 68... Ke6 69. Kc5 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "in 't Veld, Martin"]
[Result "0-1"]
[PlyCount "76"]
[EventDate "1991.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 d5 4. e3 b6 5. Nf3 $11 Bb7 6. c4 (6. Nc3 a6 $11) 6...
Be7 (6... a6 7. cxd5 Nxd5 8. e4 $15) 7. cxd5 Bxd5 8. Nc3 O-O 9. Nxd5 Qxd5 10.
Be2 (10. Bxf6 Bxf6 11. d4 c5 $11) 10... Rd8 (10... a6 11. Be5 $11) 11. O-O (11.
Bxf6 Bxf6 12. d4 c5 $11) 11... Ne4 12. d3 (12. d4 $142 $11) 12... Qc5 $4 (12...
Qxb5 $142 13. Qc2 Qc5 $15) 13. Qb3 (13. Bd4 Rxd4 14. exd4 (14. Nxd4 $6 Nc3 15.
Qc2 c6 $18) 14... Nxf2 15. dxc5 (15. Kxf2 $6 Qxb5 16. Qc2 c6 $18) 15... Nxd1
16. Raxd1 $18) 13... Nd6 $16 14. a4 c6 15. Rac1 Qd5 16. Qxd5 cxd5 17. Ne5 Bf6
18. Ba1 (18. Bd4 Nf5 19. Ba1 a6 $14) 18... Bxe5 (18... a6 $5 19. Nc6 Nxc6 20.
Bxf6 axb5 21. axb5 gxf6 22. bxc6 Ra2 $14) 19. Bxe5 $16 Nb7 (19... f6 20. Bxd6
Rxd6 21. Rc7 $16) 20. Rc7 $18 Nc5 (20... Nd7 21. Bxg7 Kxg7 22. Rxb7 $16) 21.
Rc1 (21. a5 $5 Ncd7 22. Bc3 bxa5 $16) 21... Nbd7 $16 22. Bd1 $4 (22. Bd6 $142
$16) 22... Nxd3 (22... Nxe5 23. d4 Ned3 24. Rc3 Nxf2 25. Kxf2 Ne4+ 26. Kf3 Nxc3
27. Rxc3 $19) 23. Bg3 (23. Bd4 Nxc1 24. Rxc1 e5 $19) 23... Nxc1 24. Rxc1 Rac8
25. Rb1 (25. Bc7 e5 $19) 25... Nc5 26. h3 Ne4 27. Bh4 (27. Be5 f6 28. Bd4 e5
$19) 27... Re8 (27... g5 28. Bg3 $19) 28. f3 Nc3 29. Ra1 Nxd1 (29... Rc4 30.
Bg5 $19) 30. Rxd1 Rc4 31. Bg3 Rxa4 32. e4 Rd8 (32... dxe4 33. fxe4 Rxe4 34. Rd7
$19) 33. Bc7 Rc8 34. exd5 (34. Be5 dxe4 35. Rd7 exf3 36. gxf3 Ra5 $19) 34...
Rxc7 35. d6 Rd7 36. Rc1 {Do you see the mate threat?} g6 37. Rc7 (37. Rc6 a6
$19) 37... Rxc7 (37... Ra1+ $142 38. Kf2 Rxd6 39. Rc8+ Kg7 40. Ra8 $19) 38.
dxc7 Rc4 (38... Rc4 39. Kf2 h6 $19) 0-1

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Gross, Wilhelm"]
[Result "1/2-1/2"]
[PlyCount "79"]
[EventDate "1999.??.??"]

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 Be7 5. Nf3 O-O 6. c4 c5 7. Nc3 Nbd7 (7... a6
8. Qa4 b6 9. cxd5 exd5 10. Be2 Bb7 11. bxa6) 8. Be2 b6 9. O-O Bb7 10. cxd5 exd5
11. Qc2 Qc7 12. Rac1 Rac8 13. Nb1 Rfe8 14. d3 (14. Qf5 Bd6 15. Rfe1 Re7 16. Bd4
Rce8 17. Bd3 Qb8) 14... Qb8 15. Nbd2 Bd6 16. g3 Ng4 17. Nh4 Ngf6 18. Bf3 Be5
19. Rfd1 Bxb2 20. Qxb2 Ne5 21. Be2 Re6 22. d4 Neg4 23. Bf3 c4 24. Bg2 a6 25.
bxa6 Bxa6 26. Rc3 Rce8 27. Nf5 (27. Nhf3 Nd7 28. Ng5 Rg6 29. Nh3 b5 30. Nf4 b4
$11) 27... g6 28. Nh4 Qd6 29. a3 Qe7 30. Nhf3 Nxf2 (30... Rd6 31. Re1 b5 32.
Rb1 Nd7 33. h3 Ngf6 34. Ng5 Nb6 35. Qb4 Kh8) 31. Kxf2 Ng4+ 32. Kg1 Nxe3 33. Rb1
(33. Rdc1 Nxg2 34. Kxg2 Bb7 35. Kh1 Qf6 36. Rf1) 33... Nxg2 34. Kxg2 g5 35. Ng1
g4 (35... Qf6 36. Rf3 Qg6 37. Kh1 Qh5 38. Rc3 Qg4 39. Ngf3 Bb7 40. Qb5 Kh8) 36.
Rf1 Bc8 (36... Qg5 37. Kh1 h5 38. Qc2 h4 39. Rf5 $16) 37. Kh1 Rh6 $18 (37...
Re1 38. Rxe1 Qxe1 39. Rc1 Qe3 40. Qc3 Bf5 41. Kg2 Be4+ 42. Nxe4) (37... Bd7 38.
Rf4 Rf6 39. Rxf6 Qxf6 40. Rc1 Re3 41. Rf1 Qg6) 38. Qb5 Bd7 39. Qb1 Qg5 40. Rf4
(40. Rf2 Rf6 41. Rg2 Rfe6 42. Rf2 (42. Qf1 Re1 43. Qf4 Qxf4 44. gxf4 Kf8) 42...
Rf6 43. Rg2 Rfe6 $11) 1/2-1/2

[Event "KE02 NED"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van Melis, A."]
[Result "0-1"]
[PlyCount "42"]
[EventDate "1999.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Be7 5. Nf3 O-O 6. c4 c5 7. Nc3 a6 8. Bd3
axb5 9. Nxb5 Nc6 10. a3 Na5 11. cxd5 exd5 12. Ne5 Ne4 13. Qc2 f6 14. Nf3 f5 15.
O-O Bd7 16. Be2 c4 17. Nbd4 Bd6 18. d3 cxd3 19. Qxd3 Nc4 20. Rfd1 $4 (20. Qb3
$142 Nc5 21. Qc2 $11) 20... Nxb2 $19 21. Qb3 Nxd1 (21... Nxd1 22. Qxd5+ Kh8 23.
Bxd1 Bc6 $19 (23... Rxa3 $143 24. Rxa3 Bxa3 25. Ne5 $19) (23... Bxa3 $143 24.
Ne5 Qe7 25. Nxd7 $19)) 0-1

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Camp, Leonardus"]
[Result "0-1"]
[PlyCount "86"]
[EventDate "1991.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. Nf3 c5 6. c4 Nbd7 7. Nc3 b6 (7... Nb6
8. d3 $15) 8. d3 (8. d4 Bb7 $11) 8... Bb7 9. Be2 Rc8 (9... dxc4 10. dxc4 Qc7
11. h3 $15) 10. O-O $11 Qc7 11. h3 (11. cxd5 exd5 12. Qa4 O-O $11) 11... O-O
12. Qa4 Rfe8 (12... dxc4 13. dxc4 (13. Qxa7 cxd3 14. Qa4 dxe2 15. Nxe2 Rfd8 $19
) (13. Qxc4 $6 Rfd8 $15) 13... Ra8 14. Rfd1 $11) 13. Rad1 (13. Rfc1 dxc4 14.
Qxc4 Ne5 15. Nxe5 Bxe5 $11) 13... Nf8 (13... Ra8 14. cxd5 exd5 15. d4 $11) 14.
Rd2 (14. Qxa7 $4 Ra8 15. Qxa8 Rxa8 $19) 14... Qe7 (14... Ra8 15. cxd5 exd5 16.
d4 $11) 15. Rfd1 (15. cxd5 Bxd5 16. e4 Bf4 $18) 15... Bb8 16. d4 dxc4 17. Ba3 (
17. a3 Bd5 $14) 17... Qc7 (17... Nd5 18. Rc1 $11) 18. dxc5 $14 (18. Bxc4 $143
Bxf3 19. gxf3 Qh2+ 20. Kf1 cxd4 21. Rxd4 Ng6 $17) (18. Qxc4 $2 Bxf3 19. Bxf3
Qh2+ 20. Kf1 cxd4 21. Qxd4 Be5 $19) 18... bxc5 19. Qxc4 (19. Bxc4 Bxf3 20. gxf3
Qh2+ 21. Kf1 Qxh3+ 22. Ke2 Ng6 $17) 19... e5 20. e4 Ne6 21. Ne1 (21. Nd5 Nxd5
22. exd5 Nd4 23. Nxd4 exd4 $17) 21... Nd4 $11 22. Bd3 Nd7 23. Qa4 (23. Na4 Red8
$11) 23... f5 (23... Red8 24. Nd5 Bxd5 25. exd5 $19) 24. Qc4+ Kh8 25. Qf7 (25.
exf5 $2 e4 26. f4 exd3 27. Nxd3 Nxf5 $19) 25... Rf8 26. Qe7 Rce8 (26... c4 27.
Bc2 $11) 27. Qh4 Rf6 {Black prepares the advance f4} 28. Bb2 Rh6 29. Qg3 f4 30.
Qh2 Qd8 (30... c4 31. Be2 $11) 31. f3 (31. Bc4 Rd6 $14) 31... Nf6 (31... Rd6
32. Nc2 $11) 32. Bc4 $14 Rf8 33. a3 Nh5 (33... Bd6 34. Nd3 $14) 34. a4 Bc7 35.
Bd5 (35. Nd3 Nxf3+ 36. gxf3 Qd4+ 37. Qf2 Qxc4 $15) 35... Bc8 (35... Bxd5 36.
Nxd5 (36. exd5 $143 Ba5 $17) 36... Nf6 37. Nc3 $14) 36. Rf2 (36. Nc2 Nf6 37.
Bc4 Qe7 $14) 36... Ng3 37. Bc4 Qg5 38. Nd5 Ba5 39. Bxd4 cxd4 40. Ra2 $2 (40.
Rc2 $142 $15) 40... Nxe4 $1 $19 41. fxe4 Rxh3 42. Nf3 Rxf3 43. Kh1 Rg3 (43...
Rg3 44. Be2 Qg6 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Sontonyi, Sandor"]
[Result "1-0"]
[PlyCount "65"]
[EventDate "1990.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 c5 5. Nf3 Bd6 6. c4 Nbd7 7. Nc3 O-O 8. Qb3
Ne5 (8... Nb6 9. d3 $15) 9. cxd5 $11 Nxf3+ 10. gxf3 e5 (10... Re8 11. e4 $11)
11. Be2 Nd7 (11... Bh3 12. d3 $11) 12. Ne4 $14 Bb8 13. Rc1 b6 14. Bc4 a5 15. a4
Nf6 (15... f5 16. d6+ Kh8 17. Bd5 $15) 16. d3 Bh3 (16... Ra7 17. f4 Nxe4 18.
dxe4 exf4 19. e5 fxe3 20. Qxe3 $16) 17. Ng5 (17. f4 Bg2 18. Rg1 Bxe4 19. fxe5
Bxe5 20. Bxe5 Bg6 $18) 17... Qd7 (17... Bf5 18. Rg1 $14) 18. Rg1 Ne8 19. e4 h6
20. Ne6 fxe6 21. dxe6 Qe7 22. Rg3 Bf5 23. exf5 Rxf5 24. Ke2 (24. Qc2 Rf4 $16)
24... Kf8 (24... Nf6 25. Ke1 $14) 25. Rcg1 Ra7 26. Bd5 Rf6 27. Rg4 Bd6 28. Qc4
Rf4 29. Rxf4+ exf4 30. Qe4 Nf6 31. Qf5 Ke8 (31... Rc7 $18) 32. Rxg7 $1 Qxg7 {
Decoy theme: g7} 33. Bxf6 (33. Bxf6 Re7 34. Bxg7 Rxg7 35. Qf6 $18) 1-0

[Event "corr NED 1-416"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Gilles, Rob"]
[Result "0-1"]
[PlyCount "46"]
[EventDate "1989.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 c5 5. Nf3 Bd6 6. c4 Nbd7 7. Nc3 O-O 8. Qb3
Nb6 9. Be2 (9. d3 a5 10. a4 Qc7 $11) 9... Qc7 (9... dxc4 10. Bxc4 e5 11. Bd3
$15) 10. Na4 (10. d3 a5 $11) 10... Nxa4 (10... dxc4 11. Qc2 $15) 11. Qxa4 Bd7 (
11... a6 12. Bxf6 gxf6 13. Rc1 $15) 12. Bxf6 $11 gxf6 13. Qc2 (13. cxd5 exd5
14. Qh4 Kg7 $11) 13... Kh8 (13... d4 14. Bd3 $11) 14. O-O Rg8 15. g3 Rg7 16.
cxd5 exd5 17. a4 (17. Nh4 Bh3 $11) 17... Bh3 $15 18. Rfc1 $4 (18. Rfb1 $142 $15
) 18... Bxg3 $19 19. fxg3 (19. Kh1 Bxf2 20. Bf1 $19) 19... Rxg3+ 20. Kf2 Rxf3+
21. Kxf3 (21. Bxf3 Qxh2+ 22. Ke1 Rg8 23. Qxh7+ Kxh7 $19) 21... Qxh2 22. Rg1 h5
23. Rg3 Bg4+ (23... Bg4+ 24. Kf4 Bxe2 25. Qe4 Qh4+ 26. Kf5 Qxe4+ 27. Kxf6 Re8
28. Rg8+ Kxg8 29. Rg1+ Bg4 30. Kg5 Qe7+ 31. Kf4 Qe5#) 0-1

[Event "corr NED BV"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van der Haak, Gerard"]
[Result "0-1"]
[PlyCount "78"]
[EventDate "1991.??.??"]

1. b4 {A00: Irregular Openings} e6 2. Bb2 Nf6 3. b5 d5 4. e3 c5 5. Nf3 Bd6 6.
c4 Nbd7 7. Be2 Qc7 8. O-O b6 9. h3 O-O 10. d3 Bb7 11. Nbd2 e5 12. cxd5 $146
Bxd5 13. Nc4 Bxc4 14. dxc4 Rad8 (14... e4 15. Nd2 $11) 15. Nh4 e4 16. Qa4 Be5
17. Bxe5 Nxe5 18. Rad1 Rfe8 19. Qc2 Qc8 20. Rxd8 Rxd8 21. Nf5 $4 (21. Rd1 $142
$11) 21... Qxf5 $19 22. Kh2 Qc8 (22... Rd7 23. Qc3 $19) 23. Rb1 (23. Rd1 Qc7
24. Rxd8+ Qxd8 $19) 23... Qc7 (23... Nd3 24. Kg1 $19) 24. Kg1 Rd6 25. Qc3 Nd3
26. Rf1 (26. Rd1 Qd7 $19) 26... Qe7 (26... Qd7 27. Rd1 $19) 27. a3 Qe5 28. Qc2
h5 29. Qa4 Rd7 30. Qc2 g5 (30... Qf5 31. Qb3 $19) 31. Rd1 g4 (31... Qf5 32. Rf1
$19) 32. Bxd3 exd3 33. Rxd3 Qe4 34. Rd2 (34. Rc3 gxh3 35. gxh3 Qf3 $19) 34...
Qxc2 35. Rxc2 Rd3 (35... Rd1+ 36. Kh2 $19) 36. Kf1 Kf8 (36... Rxa3 37. hxg4
Nxg4 38. Ke2 $19) 37. Ke2 (37. a4 Rd1+ 38. Ke2 gxh3 39. gxh3 Rh1 $19) 37...
Rxa3 38. h4 Ke7 39. f3 Ke6 0-1

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Fritz, Harry"]
[Result "*"]
[PlyCount "102"]
[EventDate "2001.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Nf6 3. e3 e6 4. b5 c5 5. Nf3 Nbd7 6.
c4 Bd6 7. Be2 O-O 8. O-O b6 9. a4 Bb7 10. d3 Qe7 11. Nbd2 Rad8 12. a5 Bb8 13.
Qc2 dxc4 $146 14. Nxc4 e5 15. e4 Nh5 16. g3 g6 (16... Nhf6 17. Nh4 $14) 17. Qc3
$14 f6 18. axb6 axb6 19. Ra4 Ng7 20. Rfa1 Ne6 21. Qb3 Rf7 22. R4a3 Re8 23. Bf1
Nd4 24. Nxd4 cxd4 25. Bh3 f5 26. f3 Ref8 27. Qa2 (27. Bc1 Qf6 $11) 27... Qf6
28. Bc1 Nc5 29. Qe2 Bc8 30. exf5 gxf5 31. Rb1 (31. Bg2 Bd7 $11) 31... Re7 32.
Bd2 Bd7 (32... Bb7 33. Bb4 $11) 33. Ra8 Rc8 34. Bb4 Ree8 35. Ba3 Qh6 36. Bg2 (
36. Kg2 Qe6 $11) 36... Qg6 (36... f4 37. gxf4 exf4 38. Qa2 $17) 37. Qf1 (37.
Bh3 Kg7 $11) 37... h5 (37... f4 38. g4 $15) 38. f4 exf4 (38... e4 39. Qf2 Qf6
40. Bxc5 Rxc5 41. Nb2 $15) 39. gxf4 $11 Kh7 40. Qf3 (40. Kh1 h4 $14) 40... Rg8
$11 41. Rxb8 Rxb8 42. Ne5 Qe8 43. Bxc5 bxc5 {Attacks the isolani on b5} 44.
Nxd7 Qxd7 45. Qxh5+ Kg7 46. b6 (46. Kf1 $5 $11) 46... Rh8 $15 47. Qg5+ Kf7 48.
Qg3 Rhg8 49. Qf3 Qd6 (49... Rg4 50. h3 Rg6 51. b7 $15) 50. Qh5+ $11 Qg6 51.
Qxg6+ Rxg6 (51... Rxg6 52. b7 Rg4 $11) *

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Embden, Alex"]
[Result "0-1"]
[PlyCount "62"]
[EventDate "1991.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. Nf3 Nbd7 6. Be2 O-O 7. c4 dxc4 8.
Bxc4 e5 9. Nc3 (9. d3 Qe7 $15) 9... Nb6 (9... e4 10. Nd4 $17) 10. Be2 $15 Bf5
11. O-O Qe7 12. d4 e4 13. Nd2 Rfe8 14. a4 Bb4 (14... Nfd5 15. Nxd5 Nxd5 16. Nc4
$11) 15. a5 Nbd5 16. Nxd5 Nxd5 17. Qc2 (17. a6 c6 $11) 17... Qg5 18. Kh1 Qh6
19. Bc4 (19. a6 Bd6 20. h3 Nb4 $17) 19... Bd6 20. g3 Bxg3 (20... Nb4 $142 $5
21. Qb3 Qg6 $15) 21. fxg3 $14 Nxe3 22. Bxf7+ (22. Qc3 Nxf1 23. Nxf1 Bd7 $11)
22... Kxf7 $15 23. Qxc7+ Re7 (23... Kg8 $142 24. Rf2 Rab8 $15) 24. Rxf5+ $4 (
24. Qc5 $142 Qg5 25. Rf2 $11) 24... Nxf5 $19 25. Qc4+ Kg6 26. Nf1 Qh5 27. Kg1 (
27. a6 Rae8 28. axb7 Qf3+ 29. Kg1 Nd6 $16) 27... Rd8 28. Ba3 Rxd4 29. Qb3 (29.
Qc5 Rd3 30. Qxa7 Nd6 $19) 29... Rd3 30. Qa2 (30. Qg8 Nd6 31. Qb8 Re8 32. Qxa7
Qe5 33. Bxd6 Qxa1 $19 (33... Qxd6 $6 34. Qf2 $19) (33... Rxd6 $6 34. Ra2 $19))
30... Re8 31. a6 (31. b6 axb6 32. axb6 Nd4 $19) 31... Nd4 (31... Nd4 32. Qg2
Nf3+ 33. Kh1 b6 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Embden, Alexander"]
[Result "*"]
[PlyCount "51"]
[EventDate "1992.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. Nf3 Nbd7 6. Be2 O-O 7. c4 dxc4 8.
Bxc4 e5 9. Nc3 (9. d4 e4 10. Ne5 Nxe5 11. dxe5 Bg4 $18) 9... Nb6 10. Be2 Bf5
11. d4 e4 12. Nd2 Re8 13. a4 Nfd5 14. a5 Nxc3 15. Bxc3 Nd5 16. Bb2 Qg5 17. g3
Nxe3 (17... a6 $142 $5 $17) 18. fxe3 $14 Bxg3+ 19. hxg3 Qxg3+ 20. Kf1 Bh3+ 21.
Rxh3 Qxh3+ 22. Kg1 Qg3+ 23. Kh1 Qh3+ 24. Kg1 Qxe3+ (24... Qg3+ $5 25. Kh1 Qh3+
26. Kg1 $11) 25. Kh2 $14 Re6 (25... Qf2+ 26. Kh1 $14) 26. Ra3 $4 (26. Qe1 $142
$16) *

[Event "corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Embden, Alexander"]
[Result "0-1"]
[PlyCount "73"]
[EventDate "1992.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. c4 Nbd7 6. Nf3 O-O 7. Be2 dxc4 8.
Bxc4 e5 9. Nc3 (9. d4 e4 10. Ne5 Nxe5 11. dxe5 Bb4+ 12. Nc3 Ng4 $11) 9... Nb6
10. Be2 Bf5 (10... e4 11. Nd4 $17) 11. d4 $15 e4 12. Nd2 Re8 13. a4 Nfd5 14.
Nxd5 Nxd5 15. Qb3 Nb4 (15... Bb4 16. Qc2 $15) 16. O-O Qg5 (16... Qh4 17. g3 Qe7
18. f3 $11) 17. Bc4 $11 Re7 18. g3 (18. f3 exf3 19. Nxf3 Qxe3+ 20. Qxe3 Rxe3
$11) 18... a6 $15 19. bxa6 bxa6 20. Bc3 (20. f4 exf3 21. Nxf3 Qxe3+ 22. Qxe3
Rxe3 $11) 20... Rb8 $17 21. Rfb1 a5 (21... c5 22. dxc5 Bxc5 23. Bxa6 $11) 22.
Bb5 h5 (22... c5 23. dxc5 Bxc5 24. Nc4 $15) 23. Nc4 Be6 24. Qd1 Rxb5 25. Nxd6
Bg4 26. Qd2 (26. Qc1 Rb6 27. h4 Qd5 $15) 26... Rd5 $11 27. Nb7 Nd3 (27... Nc6
28. Nc5 $14) 28. Nxa5 Rf5 (28... c5 29. f4 Qg6 30. dxc5 Nxf4 31. Rb8+ Kh7 32.
Bd4 Nh3+ 33. Kg2 $17) 29. Rb8+ (29. Nc6 Rd7 30. f4 Qg6 31. Rb8+ Kh7 $14) 29...
Kh7 $14 30. Bb4 $4 (30. f4 $142 Qg6 31. Nc4 $16) 30... Rxf2 $4 (30... Nxb4 31.
h4 Qf6 32. Qxb4 Rxf2 33. Qe1 $17) 31. Qxf2 $4 (31. Bxe7 $142 Qxe7 32. Nc6 $18)
31... Nxf2 $17 32. Kxf2 Qf5+ (32... Rd7 33. Nc4 $17) 33. Kg1 Qf3 (33... Re6
$142 $17) 34. Rf1 $4 (34. Bxe7 Qxe3+ 35. Kg2 Qd2+ 36. Kg1 Qxd4+ 37. Kf1 Qxa1+
38. Kf2 Qd4+ 39. Kf1 Qd1+ 40. Kf2 Qe2+ 41. Kg1 Bf3 42. Rh8+ Kxh8 43. Nc6 Qe1#)
34... Qxe3+ $19 35. Rf2 (35. Kg2 Bf3+ 36. Kh3 Re6 37. Rb5 Qe2 38. Rxf3 Qxf3 (
38... exf3 $143 39. Rxh5+ Kg6 40. Re5 Rxe5 41. dxe5 f2 42. g4 f1=Q+ 43. Kg3
Qef2#) 39. Bf8 e3 40. Be7 Rxe7 41. Re5 Rxe5 42. dxe5 g5 43. e6 Qf1#) 35... Rd7
36. Bd2 Qxd4 37. Rb4 0-1

[Event "Netherlands"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Geus, Jan"]
[Result "0-1"]
[PlyCount "102"]
[EventDate "1999.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 Bd6 5. Nf3 a6 6. c4 (6. Be5 O-O $15) 6...
axb5 7. cxb5 c5 8. Be2 (8. bxc6 Nxc6 9. Bb5 O-O $15) 8... b6 (8... Nbd7 9. d4
$15) 9. O-O O-O (9... Nbd7 10. d4 $15) 10. d3 (10. Be5 Bxe5 11. Nxe5 Nfd7 12.
Nxd7 Nxd7 $15) 10... Nbd7 $15 11. Nc3 Bb7 12. Qd2 (12. d4 c4 $15) 12... Qc7 (
12... e5 13. Qc2 $17) 13. g3 (13. d4 cxd4 14. Qxd4 Ne5 $15) 13... e5 $17 {
Black prepares the advance d4} 14. d4 Rfe8 15. dxc5 (15. Rfe1 exd4 16. exd4 c4
$15) 15... bxc5 {Black launches an attack} 16. Nh4 d4 17. Nd1 Bd5 (17... Red8
18. a4 $17) 18. a4 Nb6 19. a5 Nc4 20. Bxc4 Bxc4 21. b6 Qc6 (21... Qd7 22. Re1
$17) 22. Re1 Ne4 23. Qc1 Qb5 24. f3 $2 (24. exd4 exd4 25. Ng2 $19) 24... Qb4
$19 {The mate threat is Qxe1} 25. Nf2 Nxf2 26. Ba3 Nh3+ (26... Qb5 27. Kxf2 Be6
28. Qd2 Rxa5 29. Reb1 $19) 27. Kg2 Qb5 (27... Qxa5 $143 28. b7 Rad8 29. Qxc4
$15) 28. Rb1 Qa4 29. exd4 Be6 (29... Bd3 30. dxc5 Bxb1 31. cxd6 $19) 30. dxc5
Bb8 31. Bb2 Rxa5 32. Bxe5 (32. c6 Bd6 33. Re4 Qa2 $19) 32... Qc6 33. Bd4 (33.
Bxg7 $142 Nf4+ $1 34. gxf4 Rxc5 35. Qd1 Kxg7 36. Qd4+ f6 37. Kh1 $19) 33... g5
34. Ra1 Rb5 35. Re4 (35. Qe3 Rd8 (35... gxh4 36. Qh6 Be5 37. Rxe5 $18) 36. Rad1
gxh4 $19) 35... Rb3 (35... Rd8 36. Qe3 gxh4 37. Bf6 Rxc5 38. Bxd8 Rc2+ 39. Qe2
hxg3 40. hxg3 $19) 36. Ra3 (36. Bf6 Rxf3 $5 (36... gxh4 37. Qh6 Rb2+ 38. Bxb2
$18) 37. Nxf3 Qxe4 $19) 36... Rxa3 (36... gxh4 37. Qh6 f6 38. Rxb3 $18) 37.
Qxa3 gxh4 38. Qe3 Qa4 39. Bc3 Qc2+ 40. Qd2 Qxd2+ 41. Bxd2 hxg3 42. hxg3 f6 (
42... Rc8 $5 43. Be3 Bf5 44. Ra4 $19) 43. c6 (43. Rxe6 Rxe6 44. Kxh3 Re2 $19)
43... Ng5 (43... Be5 44. g4 Bd5 45. Kxh3 Bxc6 46. Re3 $19) 44. Bxg5 fxg5 45. c7
Kf7 (45... Bxc7 46. bxc7 Kf7 47. Re1 $19) 46. Re5 (46. cxb8=N Rxb8 47. Rb4 Ke7
$19) 46... Bxc7 47. bxc7 Rg8 48. Kf2 (48. Re1 Ke7 49. Rh1 Rh8 $19) 48... Kf6 (
48... Ke7 49. Ke3 $19) 49. Rc5 (49. f4 Rc8 50. Rxg5 Rxc7 $19) 49... Ke7 50. Ke3
Kd6 51. Kd4 Bd7 (51... Bd7 52. f4 gxf4 53. gxf4 Rf8 $19) 0-1

[Event "NBC"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van der Peut, Aart"]
[Result "1/2-1/2"]
[WhiteElo "2175"]
[BlackElo "2200"]
[PlyCount "69"]
[EventDate "2000.??.??"]

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 Bd6 5. Nf3 O-O 6. c4 a6 7. Nc3 axb5 (7... c6
8. bxc6 Nxc6 9. cxd5 exd5 10. Be2 $15) 8. Nxb5 Be7 9. Nc3 (9. Be5 c6 10. Bc7
Qe8 $15) 9... Nc6 10. d4 Bd7 (10... b6 11. cxd5 exd5 12. Ne5 $15) 11. Be2 Na5
12. cxd5 exd5 13. Qc2 (13. Ne5 Be6 $11) 13... c6 (13... Nc6 14. Qb3 $11) 14.
O-O (14. Ne5 Re8 $11) 14... b5 (14... Bg4 15. Rfb1 $11) 15. Rfb1 (15. Bd3 Re8
$11) 15... Nc4 (15... b4 16. Nd1 $11) 16. a4 Nxb2 17. Rxb2 b4 (17... Qa5 18.
Ne5 $11) 18. Na2 $14 c5 19. dxc5 Bxa4 20. Qc1 Ne4 {Attacks the isolani on c5} (
20... b3 21. Nd4 Qc7 22. Nc3 Qxc5 23. Rxa4 Rxa4 24. Nxb3 $14) 21. Nxb4 Nxc5 22.
Nd4 Qd7 (22... Ne6 23. Bf3 Nxd4 24. exd4 Bxb4 25. Rxb4 $14) 23. Rba2 Rfb8 24.
Na6 Rc8 (24... Nxa6 25. Rxa4 Nc7 26. Bb5 $16) 25. Qf1 Bc6 26. Nxc6 Qxc6 27. Nb4
Qb7 28. Rxa8 Rxa8 29. Rxa8+ Qxa8 30. Qd1 d4 31. exd4 Ne4 32. Qe1 (32. Nc2 Qb8
$16) 32... Qa4 (32... Nf6 33. Nd3 $16) 33. Bd3 Bxb4 34. Qxe4 g6 (34... Qd1+ 35.
Bf1 $16) 35. g4 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bloom, Aad"]
[Result "0-1"]
[PlyCount "87"]
[EventDate "1990.??.??"]

1. b4 e6 2. Bb2 $11 Nf6 3. b5 d5 4. Nf3 Bd6 5. e3 c5 6. c4 O-O $15 7. Be2 Bc7 (
7... Nbd7 8. cxd5 Nxd5 9. O-O $15) 8. O-O $11 Re8 (8... Nbd7 9. Nc3 $11) 9. d4
b6 (9... Nbd7 10. Nc3 $11) 10. Qc2 (10. dxc5 bxc5 11. Be5 Bxe5 12. Nxe5 Qd6 $11
) 10... Bb7 (10... cxd4 11. Bxd4 e5 12. Bc3 $11) 11. Nbd2 Qd6 12. dxc5 Qxc5 13.
Ng5 (13. Bxf6 $5 gxf6 14. Nb3 $14) 13... e5 $11 14. Ndf3 (14. Bd3 h6 15. Nh7
Nbd7 $11) 14... Qd6 (14... a6 15. Rfc1 $15) 15. g3 (15. cxd5 Bxd5 16. e4 h6 $16
) 15... Nbd7 (15... h6 16. Nh3 $15) 16. a4 (16. cxd5 Bxd5 17. e4 h6 $14) 16...
Bd8 (16... Nc5 17. cxd5 Bxd5 18. Rfd1 $15) 17. Rfd1 (17. cxd5 Rc8 (17... Qxd5
$2 18. Bc4 Rc8 19. Bxd5 Rxc2 20. Bxf7+ (20. Bxb7 $6 Rxb2 21. Kg2 Nc5 $11) 20...
Kf8 21. Bxe8 Nxe8 22. Nxe5 $18 (22. Bxe5 $6 Bxg5 23. Bxg7+ Kxg7 24. Nxg5 Bd5
$16)) 18. Qf5 e4 $15 (18... Qxd5 19. Nxh7 Nxh7 20. Rfd1 $16)) 17... Qc7 (17...
Rc8 18. Qf5 $11) 18. Ne1 (18. Bd3 e4 19. cxd5 exd3 20. Qxc7 Bxc7 21. Bxf6 gxf6
22. Nh3 $19) 18... h6 19. Ngf3 Rc8 20. Rac1 Qd6 21. Qb1 (21. Qf5 a5 $11) 21...
Qb4 (21... Be7 22. Qf5 g6 23. Qh3 $11) 22. Qa2 (22. Nd3 $142 Qd6 23. cxd5 $15)
22... Be7 (22... Bc7 23. Nc2 Qd6 24. Bc3 $11) 23. Nc2 (23. Nd3 Qd6 24. Nfxe5
dxc4 25. Nf4 (25. Rxc4 $6 Bd5 $11) 25... Nxe5 26. Rxd6 Bxd6 27. Bxe5 Rxe5 28.
Rd1 $18) 23... Qd6 $11 24. Ba3 Qe6 25. Nb4 (25. Bxe7 $142 Rxe7 26. cxd5 Bxd5
27. Qa1 $15) 25... Nc5 $4 (25... dxc4 $142 26. a5 Bxf3 27. Bxf3 e4 $17) 26.
cxd5 $16 Qd6 27. Bc4 (27. Nc6 e4 28. Nfe5 Bf8 $18) 27... Nxa4 $14 28. Rd3 (28.
Nc6 Qxa3 29. Nxe7+ Qxe7 30. Qxa4 Bxd5 31. Bxd5 Rxc1 32. Bxf7+ Qxf7 33. Rxc1 Nd5
$11) 28... e4 29. Nc2 $4 (29. Nc6 Nc5 30. Bxc5 (30. Nxe7+ $143 Rxe7 31. Rd4
exf3 $19) 30... bxc5 31. Ra3 exf3 32. Rxa7 $19) 29... Nc5 $19 30. Rd4 exf3 31.
e4 Qe5 (31... Red8 32. Bd3 $19) 32. Re1 $2 (32. d6 Bxd6 33. Bxf7+ Kh7 34. Bxe8
Rxe8 $19) 32... Red8 (32... Ncxe4 33. d6 Rxc4 34. Qxc4 $19) 33. Bb2 Bd6 (33...
Rd6 34. Qa3 $19) 34. Rd3 $2 (34. Rdd1 Qg5 35. e5 $15) 34... Qh5 35. Rde3 (35.
Bxf6 Nxd3 (35... gxf6 $6 36. Rd4 $19) 36. Bxd3 gxf6 37. Qxa7 Qh3 $19) 35... Ng4
36. Rxf3 Qxh2+ 37. Kf1 Qh5 (37... Re8 38. Qxa7 Nxe4 39. Rxe4 Rxe4 40. Ne3 Nxe3+
41. Ke2 Nxc4+ 42. Kd3 Nxb2+ 43. Kxe4 Re8+ 44. Kd4 Be5+ 45. Ke3 Bb8+ 46. Kd4
Bxa7 47. Rf5 Qh1 48. Re5 Rxe5 49. Kc3 Qf3+ 50. Kc2 Qd3+ 51. Kc1 Na4 52. f3 Re1#
) 38. Ke2 (38. Kg1 Ne5 39. Rf5 Nf3+ 40. Rxf3 Qxf3 $19) 38... Ne5 (38... Nxe4
39. Bd4 $19) 39. Bxe5 Qxe5 40. Kd1 (40. Qxa7 Qxe4+ 41. Ne3 Bxd5 42. Qxf7+ Bxf7
43. Rxf7 Ne6 $19) 40... Nxe4 41. Kc1 (41. Qb3 Bc5 42. Re2 Bxd5 43. Bxd5 Rxd5+
44. Rd3 Rxd3+ 45. Qxd3 Nxf2+ 46. Rxf2 Bxf2 $19) 41... Qg5+ 42. Ne3 (42. Ree3
Bc5 43. Qxa7 Bxe3+ 44. Rxe3 Bxd5 $19) 42... g6 (42... Bxd5 $142 43. Kc2 Qh5 44.
g4 Bxc4 45. Nxc4 $19 (45. gxh5 Bxa2+ 46. Kb2 Be5+ 47. Kxa2 Rd2+ 48. Nc2 Rdxc2+
49. Ka3 Bd6+ 50. Ka4 R8c4+ 51. Kb3 Nd2#)) 43. Qxa7 (43. Rd1 $19) 43... Bxd5 44.
Kb2 (44. Rf4 Bxc4 45. Rxe4 Bf1+ 46. Kb1 Bd3+ 47. Ka2 Bxe4 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verkerk, Jan"]
[Result "1-0"]
[PlyCount "115"]
[EventDate "1990.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 b6 4. c4 e6 5. b5 Be7 6. Nf3 O-O 7. Qc2 h6 (7... a6
8. cxd5 exd5 9. Be5 $15) 8. Be2 (8. cxd5 exd5 9. Be5 Bd6 $11) 8... Nbd7 (8...
a6 9. cxd5 exd5 10. Be5 $11) 9. d4 (9. cxd5 Nxd5 10. Qc6 Bb7 11. Qxb7 Nc5 12.
Qxa8 Qxa8 $17) 9... Bb7 10. O-O a5 (10... c6 11. Ba3 $11) 11. a4 (11. Ba3 c5
12. bxc6 Bxc6 13. Bxe7 Qxe7 14. cxd5 Bxd5 $14) 11... Rc8 12. Nbd2 (12. Ba3 c5
$14) 12... Ne4 (12... dxc4 13. Nxc4 c6 14. Rfc1 $11) 13. Nxe4 dxe4 14. Nd2 f5
15. f3 Nf6 16. h3 {White intends c5} (16. Rad1 exf3 17. Bxf3 Bxf3 18. Nxf3 c6
$14) 16... Bd6 17. f4 c6 18. c5 (18. Rad1 $142 $5 $11) 18... cxb5 $15 19. Bxb5
bxc5 20. Qb3 (20. Nc4 $5 $17) 20... Bd5 $19 21. Bc4 Rb8 22. Qc2 Bxc4 23. Nxc4
Nd5 24. Nxd6 (24. Rad1 Rc8 $17) 24... Qxd6 (24... Nxe3 $142 $5 25. Qe2 Nxf1 (
25... Qxd6 $143 26. Qxe3 Rxb2 27. dxc5 $17) 26. dxc5 Ng3 $19) 25. dxc5 $17 Qc6
26. Rab1 (26. Bd4 Rfd8 $15) 26... Rf7 (26... Nxe3 27. Qc3 Rxb2 28. Qxe3 $17)
27. Rfe1 (27. Bd4 Rfb7 $15) 27... Nb4 28. Qc4 Nd3 {
Attacking the isolated pawn on c5} 29. Re2 (29. Be5 $5 Rc8 30. Re2 $15) 29...
Rfb7 (29... Nxc5 30. Rc1 Rc7 31. Ba3 $18) 30. Qd4 Nxc5 $4 (30... Qxc5 $142 31.
Qxc5 Nxc5 $19) 31. Rc2 $15 Rc8 32. Rbc1 Qd5 $4 (32... Qb6 $142 $11) 33. Rxc5
$18 Rxc5 34. Rxc5 Qxd4 35. Bxd4 (35. exd4 $143 Rxb2 36. Rxa5 Rd2 $15) 35... Rd7
(35... g5 36. Rxa5 gxf4 37. exf4 $18) 36. Rxa5 g5 37. Ra8+ Kf7 38. Ra7 (38.
fxg5 hxg5 39. a5 Ke7 $18) 38... Ke8 39. Rxd7 Kxd7 40. g3 (40. fxg5 hxg5 41. Bf6
g4 $18) 40... g4 (40... Kd6 41. a5 $18) 41. h4 (41. hxg4 fxg4 42. a5 Kc6 $18)
41... h5 42. Kf2 (42. a5 Kc8 $18) 42... Kc6 43. a5 Kb5 44. Bb6 Kc6 45. Ke2 Kb5
46. Kd2 Kc6 47. Kc3 Kb7 (47... Kd7 48. a6 Kc8 $18) 48. Kc4 Kc6 49. Kb4 e5 (
49... Kd5 50. a6 Kc6 51. Bd4 $18) 50. Kc4 (50. fxe5 $142 Kb7 51. Kc5 Kb8 $18)
50... exf4 51. exf4 (51. gxf4 $4 g3 52. Kd4 g2 $19) 51... Kb7 (51... Kd6 52. a6
Kc6 53. a7 $18) 52. Kd5 e3 (52... Ka6 53. Ke5 e3 54. Bxe3 $18) 53. Bxe3 Ka6 54.
Ke5 Kxa5 55. Kxf5 Kb5 56. Kg5 Kc6 57. Kxh5 Kd5 58. Kxg4 (58. Kxg4 Ke6 59. Kg5
$18) 1-0

[Event "1616A"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "CM4000"]
[Result "1/2-1/2"]
[PlyCount "23"]
[EventDate "1995.??.??"]

1. b4 {A00: Irregular Openings} d5 2. Bb2 Bg4 3. c4 e6 4. Qb3 Nf6 5. e3 Nbd7 6.
Nf3 c6 7. d4 a5 8. bxa5 Qxa5+ 9. Nc3 Ba3 $146 (9... Bxf3 10. gxf3 b6 (10... e5
11. Bh3 dxc4 12. Qxc4 Nb6 13. Qb3 exd4 14. exd4 Qb4 15. O-O Nc4 16. Rfe1+ Kd8
17. Reb1 Qxb3 18. axb3 Rxa1 19. Bxa1 Nd2 20. Rd1 Nxb3 21. Bb2 Kc7 22. d5 Bd6
23. dxc6 bxc6 24. Ne4 Nd5 25. Ng5 {Comet B50-Fritz 8 (33)}) 11. Bd3 e5 12. O-O
exd4 13. exd4 Bd6 14. cxd5 Nxd5 15. Bc4 Nxc3 16. Rfe1+ Kd8 17. Bxc3 Qg5+ 18.
Kf1 Ra3 19. Qb2 Qh5 20. Re3 b5 21. Bb3 b4 22. Bd2 Qxh2 23. Rae1 f6 24. Qc2 {
Crafty 19.01-Fritz 6 (33)}) 10. Rc1 (10. Qxb7 $4 Rb8 11. Qxc6 Bxb2 $19) 10...
Bxb2 11. Qxb2 Qa3 (11... Bxf3 12. gxf3 Nb6 13. Qb3 $15) 12. Rb1 1/2-1/2

[Event "corr H364"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Daamen, Ferry"]
[Result "*"]
[PlyCount "107"]
[EventDate "1991.??.??"]

1. b4 d5 2. Nc3 e5 3. a3 c6 (3... d4 4. Ne4 $15) 4. Bb2 (4. e4 d4 5. Nce2 Nf6
$15) 4... Nf6 5. d4 (5. e3 Bd6 $15) 5... e4 $17 6. e3 Bd6 7. Nge2 Qc7 8. g3 (8.
Ng3 Bg4 9. Be2 Bxe2 10. Ncxe2 O-O $17) 8... Bg4 9. Bg2 O-O 10. O-O Nbd7 11. h3
Bh5 12. Qe1 (12. g4 Bg6 $17) 12... g5 (12... Nb6 13. Nf4 $17) 13. f4 exf3 14.
Bxf3 Bg6 15. Rc1 Rae8 16. Nd1 Nb6 17. Bg2 (17. Qf2 g4 18. hxg4 Ne4 19. Bxe4
Rxe4 $17 (19... dxe4 $143 20. c4 Be7 21. Nf4 $14)) 17... Nh5 (17... Ne4 18.
Bxe4 Rxe4 19. Qf2 $17) 18. g4 Bh2+ 19. Kh1 Ng3+ 20. Nxg3 Bxg3 21. Qe2 Nc4 22.
Rb1 Re6 23. Bc1 Rfe8 24. Rb3 b5 25. Nb2 Kg7 (25... Nxb2 26. Bxb2 Bf4 27. Bc1
$17) 26. Nxc4 bxc4 27. Rc3 Rh8 (27... a5 28. bxa5 Qxa5 29. Bd2 $17) 28. e4 $11
Bxe4 29. Bxg5 h6 (29... Bd3 30. Bf6+ Rxf6 31. cxd3 $11) 30. Be3 Bh4 (30...
Bxg2+ 31. Qxg2 Bd6 32. g5 $14) 31. Bxe4 $14 Rxe4 32. Qd2 (32. Qf3 Rhe8 $11)
32... Qe7 33. Rf5 f6 (33... Qe6 34. Rh5 Bg5 35. Bxg5 Re1+ 36. Kg2 Re2+ 37. Kg3
Rxd2 38. Bxd2 $19) 34. Rf3 (34. Kg1 Bg5 35. Bxg5 hxg5 $11) 34... Bg5 $11 35.
Qf2 (35. Kg1 $142 $5 $11) 35... Re8 $17 36. Bxg5 Re1+ 37. Kg2 hxg5 38. Qg3 Re4
(38... Qe4 39. Qf2 Re2 40. Qxe2 Qxe2+ 41. Rf2 Qe4+ 42. Rcf3 $19) 39. Rf2 Rxd4
40. Rcf3 Rf8 41. Re3 Re4 42. Rfe2 Rxe3 43. Rxe3 Qd7 44. Qe1 Kf7 45. Qf2 d4 (
45... Kg8 46. Rf3 $11) 46. Re4 $15 Rd8 47. Re1 Qd5+ 48. Kg1 a5 49. Qe2 axb4 (
49... d3 50. cxd3 cxd3 51. Qe7+ Kg6 52. bxa5 $19) 50. Qe7+ $11 Kg6 51. Re6 {
Do you see the mate threat?} Rf8 52. axb4 d3 53. cxd3 cxd3 54. Rd6 (54. Rd6 Rf7
55. Qd8 $11) *

[Event "corr SOK-92-91"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Bendig, Frank"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "39"]
[EventDate "1992.??.??"]

1. b4 e5 2. a3 d6 3. g3 (3. Nf3 e4 4. Nd4 c5 $11) 3... g6 (3... Nf6 4. Bg2 $15)
4. Bg2 (4. Nf3 Bg7 5. e4 Be6 $11) 4... Bg7 5. Bb2 Nf6 6. d3 (6. Nf3 $5 $11)
6... O-O $15 7. Nd2 a5 (7... c6 8. Ne4 $15) 8. Ngf3 axb4 9. axb4 Rxa1 10. Qxa1
Nbd7 (10... Na6 11. c3 $15) 11. O-O $11 Nb6 12. c4 Bd7 13. e4 (13. Qa7 Na4 14.
Ba1 b6 $11) 13... Na4 14. Ba3 Re8 15. b5 Nc5 16. Qc3 b6 (16... Na4 17. Qc2 Nc5
18. Ra1 $11) 17. Ra1 $14 Ng4 18. Bb4 f5 19. Ra7 Qb8 20. Ra2 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hoogstrate, Johan"]
[Result "1-0"]
[PlyCount "71"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 Nf6 3. b5 Bc5 4. e3 d6 5. a3 (5. Nf3 Bg4 $15) 5... O-O 6. d4
exd4 7. exd4 Bb6 8. Be2 Ne4 (8... Re8 9. Nf3 $17) 9. Nf3 $15 Ba5+ 10. c3 Bg4
11. O-O Nd7 (11... Re8 12. Re1 $11) 12. Nfd2 (12. Qa4 Bb6 $11) 12... Bf5 13.
Nc4 Bb6 14. Nxb6 Nxb6 15. c4 {White plans d5} Qg5 16. Bc1 Qf6 17. Ra2 a6 18.
Bb2 (18. f3 Ng5 19. Nc3 Ne6 20. bxa6 bxa6 $11) 18... axb5 $15 19. d5 Qg5 20.
cxb5 Bh3 {The mate threat is Qxg2} 21. Bf3 Rfe8 22. Kh1 (22. Re1 Bf5 $11) 22...
Bd7 $15 23. Nc3 (23. Bxe4 $5 Rxe4 24. Nc3 $15) 23... Nxc3 $17 24. Bxc3 Bxb5 25.
Re1 Na4 (25... Rxe1+ 26. Bxe1 Nc4 27. Bc3 $17) 26. Bd2 Bc4 $4 (26... Qh4 $142
$17) 27. Bxg5 (27. Rxe8+ Rxe8 28. Bxg5 Bxa2 $18) 27... Nc3 (27... Rxe1+ 28.
Qxe1 Bxa2 $18) 28. Rxe8+ Rxe8 29. Qd2 (29. Qc1 Nxa2 30. Qd2 $18) 29... Nxa2 30.
h4 (30. Qa5 b6 31. Qd2 f6 $18) 30... h6 31. Bf4 g5 (31... Kf8 32. Qa5 b6 33.
Qa4 $18) 32. hxg5 hxg5 33. Bxg5 Re5 (33... Kf8 34. Qa5 b6 35. Qa4 $18) 34. Bh6
(34. Bd8 $142 b5 $18) 34... Bxd5 (34... f6 $18) 35. Bxd5 Rh5+ 36. Kg1 (36. Kg1
Nc3 37. Bxb7 $18) 1-0

[Event "KE03 NBC Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Geus, Jan"]
[Result "1-0"]
[WhiteElo "2175"]
[BlackElo "2200"]
[PlyCount "73"]
[EventDate "2000.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e5 4. b5 Bd6 5. c4 Be6 6. c5 (6. Nf3 Nbd7 $15) 6...
Bxc5 7. Bxe5 Nbd7 8. Bb2 O-O 9. Nf3 Qe7 10. Be2 Bg4 11. O-O Bd6 12. d4 a6 13.
Nc3 Bxf3 14. Bxf3 axb5 15. Nxb5 (15. Nxd5 $143 Nxd5 16. Bxd5 Bxh2+ 17. Kxh2
Qd6+ 18. Kg1 Qxd5 $17) 15... Ne4 16. a4 Rfe8 17. Nxd6 Qxd6 18. a5 Ndf6 19. Qc2
Qb4 {Attacking the isolated pawn on a5} (19... c6 20. Ba3 Qe6 21. Bb4 $14) 20.
Ra4 Qd6 21. Rc1 Rec8 22. Ra2 Qd8 23. Rca1 Qe7 (23... c5 24. dxc5 Rxc5 25. Qb3
$14) 24. a6 (24. Be2 Re8 25. Ba3 Qd7 $14) 24... bxa6 $11 25. Rxa6 Rxa6 26. Rxa6
Qb4 {Threatening mate: Qe1} 27. Ra1 g6 28. Be2 Rb8 29. Ba3 Qc3 30. Qxc3 Nxc3
31. Bd3 Ra8 32. Bb2 Rxa1+ 33. Bxa1 Na2 34. Bb1 Nc1 35. f3 Kf8 36. Bb2 Nb3 37.
Bc3 {Threatens Bc2} (37. Bc3 Nc1 38. Bb4+ Ke8 39. Bc2 $18) 1-0

[Event "corr ICCF TT-4-90"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Velker, Wim"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "77"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. a3 d6 3. e3 g6 4. Bb2 $11 Nf6 5. c4 (5. d4 e4 $11) 5... Bg7 $15
6. Nc3 O-O 7. d3 a5 (7... Be6 8. Nf3 $11) 8. Nf3 (8. b5 Nbd7 $11) 8... axb4 (
8... Bf5 9. b5 $15) 9. axb4 $11 Rxa1 10. Bxa1 Re8 (10... Nc6 11. b5 Ne7 12. Be2
$11) 11. Be2 b6 (11... Na6 12. b5 Nc5 13. O-O $11) 12. O-O Bb7 {
Black prepares the advance e4} (12... Qe7 13. Bb2 $11) 13. Qb3 c5 (13... Qd7
14. Bb2 $14) 14. Rb1 (14. bxc5 dxc5 15. Rb1 Nbd7 $14) 14... Nbd7 (14... Re7 15.
bxc5 bxc5 16. e4 $14) 15. bxc5 dxc5 16. Bb2 e4 (16... Qe7 17. Ra1 $14) 17. dxe4
Nxe4 18. Rd1 (18. Nd5 Bxd5 19. cxd5 Bxb2 20. Rxb2 Qf6 $14) 18... Nxc3 19. Bxc3
Bxc3 20. Qxc3 Qc7 21. Qd2 (21. Qb2 Ra8 $14) 21... Bc6 22. Ne1 Ne5 23. Qc3 f5
24. Nd3 Nxd3 25. Qxd3 (25. Rxd3 Be4 26. Rd2 Qe7 $11) 25... Qb7 (25... f4 26.
Qd6 Qxd6 27. Rxd6 $14) 26. Bf1 $14 Qe7 27. Qd6 Ba4 28. Qxe7 Rxe7 29. Rd6 (29.
Rb1 Rb7 $11) 29... Rb7 $11 30. g3 Kf7 31. Bg2 Rb8 32. Bc6 (32. Bd5+ Ke7 33.
Re6+ Kd7 $11) 32... Bxc6 33. Rxc6 h5 34. h4 Ra8 35. Kg2 (35. Rc7+ Kf6 $11)
35... Ra4 36. Rxb6 Rxc4 37. Kf3 Kg7 38. Ra6 (38. Rc6 Kh6 $11) 38... Kf7 (38...
Rc1 39. Kf4 Kh6 40. e4 fxe4 41. Kxe4 $11) 39. Rb6 1/2-1/2

[Event "corr SOK-93-95"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Gross, Wilhelm"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "64"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. a3 d6 3. Bb2 Nf6 4. e3 g6 5. Be2 Bg7 6. c4 (6. Nf3 e4 7. Nd4 c5
$11) 6... O-O $15 7. Nf3 e4 8. Nd4 a5 (8... Nfd7 9. O-O $11) 9. Nc3 (9. O-O c5
10. bxc5 dxc5 $11) 9... Re8 (9... axb4 10. axb4 Rxa1 11. Qxa1 $15) 10. O-O $11
axb4 11. axb4 Rxa1 12. Qxa1 Na6 (12... c5 13. Nc2 Nc6 14. f3 exf3 15. Bxf3 $11)
13. Nc2 (13. b5 Nc5 $11) 13... Bf5 14. Nd5 Nxd5 15. Bxg7 Ndxb4 16. Nd4 (16.
Nxb4 $142 $5 Nxb4 17. Bh8 $14) 16... Bc8 (16... Bh3 17. Bh6 Qf6 18. gxh3 $11)
17. f3 Qg5 (17... Nc5 $142 $15) 18. fxe4 $19 Rxe4 $4 (18... Bh3 19. Rf2 Bg4 $16
(19... Rxe4 $2 20. Bf6 Qh6 21. gxh3 $18)) 19. Nf3 (19. Bf6 Qh6 $14) 19... Qe7
$11 20. Bf6 Qf8 (20... Qe6 21. Bh8 Kf8 22. Ng5 $18) 21. Ng5 Re8 22. Bc3 (22.
Qd4 Bf5 $14) 22... f5 (22... Bf5 $142 $11) 23. Nxh7 $4 (23. c5 $142 Qe7 24. Bb5
$11) 23... Kxh7 $19 24. Rf3 (24. Qb2 Nc6 $19) 24... f4 (24... Qh6 25. Rh3 Qxh3
26. gxh3 $16) 25. Qe1 (25. Qb2 Bg4 26. Rxf4 Bxe2 27. Rxf8 Rxf8 $17) 25... Qh6 (
25... Re4 26. Qb1 d5 27. cxd5 $17) 26. Rxf4 $17 Nd3 27. Rf7+ Kg8 28. Qf1 Ne5
29. Rf4 Rf8 30. Rf6 (30. d4 Rxf4 31. exf4 Ng4 $17) 30... Nc5 31. Bxe5 (31. Bd4
Bg4 32. Bxg4 Nxg4 33. Rxf8+ Qxf8 $19) 31... dxe5 32. Bh5 (32. Rxf8+ Qxf8 33. d4
Qxf1+ 34. Kxf1 exd4 35. exd4 Nb3 $19) 32... Ne4 (32... Ne4 33. Rxf8+ Qxf8 34.
Qxf8+ Kxf8 35. Bxg6 Nxd2 $19) (32... gxh5 33. Rxh6 Rxf1+ 34. Kxf1 $19) 0-1

[Event "corr 3GMM-31"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Benhassine"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "30"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 d6 3. e3 Nf6 $15 4. Bb2 g6 5. Be2 Bg7 6. h3 (6. d4 exd4 7. exd4
O-O $11) 6... O-O $15 7. Nf3 Nc6 (7... e4 8. Nh2 $15) 8. O-O $11 e4 (8... Bf5
9. d4 $11) 9. Nh2 (9. Nd4 Ne5 $11) 9... Be6 10. c4 (10. f3 Ne5 $11) 10... a5
$15 11. b5 Ne5 12. Bxe5 (12. Qc2 Qe7 $15) 12... dxe5 13. Nc3 Qd7 (13... Bf5 $11
) 14. f4 (14. Qc2 Rfc8 $11) 14... Qd6 (14... exf4 $5 15. Rxf4 Rad8 $17) 15. a4
(15. Ng4 $5 Bxg4 16. hxg4 exf4 17. g5 $15) 15... exf4 (15... Rad8 16. Ra2 $17)
1/2-1/2

[Event "corr priv"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Gross, Wilhelm"]
[Black "Dopper, Johan"]
[Result "*"]
[PlyCount "29"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 d6 3. Bb2 Nf6 4. e3 g6 5. Be2 Bg7 6. c4 (6. d4 e4 $11) 6... O-O
7. Nf3 e4 8. Nd4 c5 9. Nb3 (9. Nc2 cxb4 10. axb4 d5 $11) 9... cxb4 10. axb4 Nc6
11. b5 Ne5 12. O-O (12. Qc2 Qc7 $11) 12... Bg4 (12... Qc7 13. Qc2 $11) 13. Bxe5
Bxe2 14. Qxe2 dxe5 15. Nc3 *

[Event "corr TKM/A004"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Krahl, Wolfgang"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "52"]
[EventDate "2000.??.??"]

1. b4 e5 2. c3 d6 3. e4 Nf6 4. Nf3 $2 (4. d3 g6 5. Nf3 Bg7 6. Nbd2 O-O 7. Be2
Re8 8. O-O c6 9. Re1 a5) 4... g6 5. Nxe5 $4 (5. d3 Bg7 6. Nbd2 O-O 7. Be2 Re8
8. O-O c6) 5... dxe5 6. Bb5+ c6 7. Bc4 Bg7 8. Qb3 (8. d3 b5 9. Bb3 a5 10. bxa5
Nbd7 11. O-O Nc5) 8... O-O 9. O-O Nxe4 10. d3 Nd6 11. Nd2 (11. a4 Nxc4 12. dxc4
Be6 13. Na3 Qh4 14. Be3 Rd8) 11... b5 12. Bxf7+ Nxf7 13. Ne4 (13. Qc2 a5 14.
bxa5 Qxa5 15. Ne4 Bf5 16. Rd1 Nd7) 13... Qxd3 14. Ng5 (14. f3 Bf5 15. Rd1 Qc4
16. Qxc4 bxc4 17. Be3 Bxe4 18. fxe4) 14... Qd5 15. c4 (15. Rd1 Qxb3 16. axb3
Nxg5 17. Bxg5 e4 18. Rac1 Be6) 15... bxc4 16. Qg3 e4 17. f4 (17. Rb1 c3 18.
Nxf7 Rxf7 19. Bf4 Nd7 20. a3 Ne5 21. Bxe5 Bxe5) 17... Bxa1 18. Qh4 (18. Nxf7
Qxf7 19. Re1 a5 20. bxa5 Rxa5 21. Rxe4 Rxa2 22. Kh1 c5) 18... Bd4+ 19. Kh1 Nxg5
20. Qh6 e3 21. h4 e2 22. Re1 Nf3 23. Rxe2 Bb6 24. gxf3 Qxf3+ 25. Rg2 Qh3+ 26.
Rh2 Qf1# 0-1

[Event "corr SOK-92-91"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Szabo, Michael"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "74"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. e3 d6 (2... Bxb4 3. c3 Be7 4. d4 exd4 5. cxd4 $17) 3. e4 Nf6 4.
d3 (4. Nc3 d5 5. exd5 Bxb4 6. Bb5+ c6 7. dxc6 bxc6 $15) 4... g6 (4... d5 5.
exd5 Bxb4+ 6. c3 Qxd5 7. cxb4 $17) 5. Bg5 (5. Nf3 d5 6. Nxe5 Bxb4+ 7. c3 Bd6
$15) 5... Bg7 (5... d5 6. a3 $15) 6. Nf3 $11 O-O 7. Nc3 Nc6 8. b5 Ne7 9. Be2 c6
10. bxc6 Nxc6 11. O-O h6 12. Be3 d5 13. exd5 Nxd5 14. Nxd5 Qxd5 15. c4 Qa5 16.
Bd2 Qc7 17. Rb1 Be6 18. Re1 f5 19. Rb5 e4 {Black gets in control} 20. dxe4 (20.
Bf1 Rad8 21. dxe4 Nd4 22. Nxd4 Bxd4 $15) 20... fxe4 $15 21. Nh4 (21. Bf1 $142
$5 Bf5 22. Nh4 $15) 21... Qf7 $17 22. Be3 Rab8 23. Bc5 (23. f4 Bc3 24. Rf1 a6
$15 (24... Bxc4 $143 25. Bxc4 Qxc4 26. Rc5 $11)) 23... Rfd8 24. Qb1 a6 25. Rb3
g5 (25... Bxc4 $6 26. Bxc4 Qxc4 27. Bb6 $11) 26. Qxe4 gxh4 27. Qxh4 (27. Rf3
$142 $5 Bf6 28. Bd3 Rxd3 29. Rxd3 $17) 27... b5 28. Rg3 Kh8 (28... Bxc4 29. Be3
Ne5 30. Bxh6 $17) 29. cxb5 axb5 30. Qe4 (30. Be3 $5 Nd4 31. Bd3 $17) 30... Bd5
$19 31. Qh4 (31. Qg6 b4 $19) 31... Bxa2 32. Bd3 Rd5 33. Ba3 Re8 34. Rge3 (34.
Rxe8+ Qxe8 35. Qg4 Bd4 $19) 34... Rxe3 35. Rxe3 Ne5 36. Be2 (36. Bb2 Rxd3 37.
Rxd3 Nxd3 38. Qd8+ Kh7 39. Qxd3+ Qg6 40. Qxg6+ Kxg6 $19) 36... Bc4 37. Bh5 (37.
Qe4 Bxe2 38. Rxe2 Rd1+ 39. Re1 Qd5 $19) 37... Qf5 (37... Qf5 38. Bc1 Bf6 $19)
0-1

[Event "corr Netherlands"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bakema, Aeilko"]
[Result "1/2-1/2"]
[PlyCount "79"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Nc3 Bxb4 $17 3. Bb2 d5 (3... Nf6 4. Nf3 e4 5. Nd4 $17) 4. a3
Bc5 5. Nf3 Nc6 6. e4 d4 7. Na4 Bd6 8. c3 dxc3 9. Nxc3 Nge7 10. d4 exd4 11. Nxd4
O-O (11... a6 12. Nxc6 Nxc6 13. Bc4 $17) 12. Ncb5 $15 a6 (12... Re8 13. Be2 $15
) 13. Nxc6 Nxc6 14. Nxd6 Qxd6 (14... cxd6 15. Bd3 $15) 15. Qxd6 $11 cxd6 16.
Rd1 Rd8 17. Be2 (17. Bc4 Be6 18. Bd5 Ne7 19. Bxe6 fxe6 $15) 17... Be6 $15 18.
f4 d5 (18... f5 $142 $5 19. exf5 Bxf5 $15) 19. f5 $14 Bc8 20. exd5 Ne7 21. f6
Nxd5 22. fxg7 {The passed pawn on g7 will become decisive later} Be6 23. Bf3
Rac8 24. O-O b5 25. Rfe1 Nb6 (25... a5 $5 $14) 26. Bb7 $16 Rxd1 (26... Nc4 27.
Bxc8 Rxc8 28. Bf6 $18) 27. Rxd1 $14 Re8 (27... Rb8 $5 28. Be5 Re8 $14) 28. Bxa6
$16 Nc4 29. Bf6 (29. Bc1 $5 Rb8 30. Bf4 $16) 29... Nxa3 $14 30. Rd6 (30. Rd4
Rb8 $14) 30... b4 $11 31. Rb6 b3 32. Bd3 Nc2 33. Bb5 Rc8 $2 (33... Ra8 $142 34.
Ba4 $1 Ne3 35. Bxb3 Bxb3 36. Rxb3 Re8 $16) 34. Rxe6 $1 $18 fxe6 35. Bd7 {
Theme: Double Attack. Threatening mate: Bxe6} Rc7 36. Bxe6+ Rf7 37. Bxb3 (37.
Kf2 $142 $5 b2 38. Bxf7+ Kxf7 39. Bxb2 Kg8 $18) 37... Ne3 38. h3 Nf5 39. Kf2
Nxg7 40. Ke3 (40. Bxf7+ Kxf7 41. Bxg7 Kxg7 $18) 1/2-1/2

[Event "corr TT-4-90-5"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Landgraf, Manfred"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "97"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nc3 O-O 5. Bxf6 Qxf6 (5... gxf6 $143 6.
Nd5 Nc6 7. e3 $14) 6. Nd5 Qd6 7. Nxb4 Qxb4 8. c3 Qa5 9. g3 d5 10. Bg2 Nd7 11.
Nf3 Re8 12. O-O c5 13. Qc2 (13. Re1 Ne5 $15) 13... Nf6 (13... Rxe2 14. Qd3 Qa6
15. Qxd5 c4 $15) 14. e3 b5 (14... Ne4 15. Rfb1 $15) 15. d4 $11 Ne4 16. Rfc1 (
16. dxc5 Qc7 $11 (16... Nxc3 $143 17. Rfc1 b4 18. a3 $16) (16... Qxc3 $143 17.
Qxc3 Nxc3 18. Nd4 $16)) 16... Qc7 (16... c4 17. a4 Bf5 18. Nh4 $11) 17. a4 $11
bxa4 (17... cxd4 18. Nxd4 bxa4 19. Rxa4 $11) 18. Qxa4 (18. c4 cxd4 19. Qxa4 Bd7
$17) 18... Bd7 (18... Be6 19. dxc5 Qxc5 20. Qd4 $11) 19. Qa5 Qd6 20. Ne5 Be6
21. Nd3 c4 22. Bxe4 (22. Ne5 Nd2 23. Rd1 Nb3 $11) 22... dxe4 23. Nc5 Bd5 24.
Rcb1 Re7 25. Qb4 f6 26. Ra6 Qc7 27. Qb2 Rf8 28. Qb5 f5 29. Rba1 Ra8 30. R6a5
Rd8 (30... Rb8 31. Qa4 Ra8 32. Ra6 $11) 31. Na6 $14 Qb7 (31... Qc8 $142 $14)
32. Qxb7 $15 Rxb7 33. Nb4 (33. Nc5 Rb2 34. Rxa7 Rdb8 $16) 33... Be6 34. Rxa7
Rxa7 35. Rxa7 Rd7 36. Rxd7 (36. Ra6 Kf7 $16) 36... Bxd7 37. Na6 Kf7 38. Nc5 Bc8
(38... Bc6 39. h3 $16) 39. Kf1 g5 40. h3 h5 41. h4 g4 42. Ke1 Ke7 43. Kd2 Kd6
44. Kc2 Kc6 45. Kb2 Kb5 46. Ka3 Ka5 47. d5 Kb5 48. Ne6 Bd7 (48... Bb7 $142 $5
$16) 49. Ng7 $18 (49. Ng7 f4 50. exf4 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Aangeenbrug, Hans"]
[Result "0-1"]
[PlyCount "54"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 d6 5. Bb2 O-O 6. e3 Bf5 7. Nf3 Nbd7 8.
Be2 (8. Qb3 a5 $17) 8... Re8 9. O-O (9. Qb3 a5 10. a3 Bc5 $11) 9... c6 (9...
Qe7 10. a3 Ba5 11. Qa4 $11) 10. d3 (10. Nd4 Bg6 $11) 10... Ne5 11. Nxe5 (11.
Nd4 Bd7 $11) 11... dxe5 $15 (11... Rxe5 12. a3 Bc5 13. d4 $18 (13. Bxe5 $6 dxe5
14. Nc3 Qd7 $16)) 12. e4 (12. d4 exd4 13. Bxd4 c5 $15) 12... Bg6 (12... Bc8 13.
Nc3 $15) 13. Nd2 (13. Qb3 Qe7 $15) 13... Bxd2 (13... Qd6 14. Nf3 $17) 14. Qxd2
$17 Nxe4 $1 15. Qe3 (15. dxe4 {Exploits the pin} Qxd2 {Theme: Double Attack})
15... Nd6 16. Rad1 (16. Rab1 Nf5 17. Qf3 Qd6 $17) 16... Nf5 $19 17. Qc1 (17.
Qc5 Nd4 18. Bxd4 Qxd4 19. Qxd4 exd4 $19) 17... Nd4 18. Rfe1 c5 (18... Qh4 19.
Bxd4 Qxd4 20. Qe3 $19) 19. Rd2 (19. Bxd4 Qxd4 20. Bf3 Re7 $17) 19... Qd7 (19...
b6 20. Bg4 $19) 20. h3 (20. Bxd4 Qxd4 21. Bf3 Re7 $17) 20... Bf5 (20... Rad8
21. Bxd4 Qxd4 22. Qa3 $19) 21. Bd1 (21. Bxd4 Qxd4 22. Bf3 Rab8 $19) 21... a5 (
21... Rad8 22. Bxd4 Qxd4 23. Qb2 $19) 22. Re3 (22. Bxd4 Qxd4 23. Bf3 Rab8 $17)
22... Ra6 23. Rg3 (23. Bf3 Nxf3+ 24. Rxf3 Rd6 $19) 23... Rae6 (23... Rd6 24.
Re3 $19) 24. Bxd4 (24. Qc3 Ra8 $19) 24... exd4 (24... cxd4 $6 25. Re2 $19) (
24... Qxd4 $6 25. Qb2 $19) 25. f3 (25. Rb2 $19) 25... Re1+ 26. Kf2 (26. Kh2 $19
) 26... Qe7 27. Qc2 (27. Rxg7+ Kxg7 28. Kg3 $19) 27... Qe3# 0-1

[Event "corr Netherlands"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Simmelink, Joop"]
[Result "1/2-1/2"]
[PlyCount "46"]
[EventDate "1992.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nbd7 7. Bb2 Nc5 (
7... Nxd5 8. Qf3 N7b6 9. Bb5 $17) 8. Nf3 (8. a3 Ba5 $11) 8... Bf5 (8... Nxd5 9.
a3 Ba5 10. Qc2 $15) 9. Be2 (9. a3 $5 Ba5 10. Bd4 $15) 9... Nxd5 $17 10. O-O Re8
(10... Nd3 $5 11. Qb3 Nxb2 12. Qxb2 Rb8 $15) 11. a3 $11 Ba5 12. d4 Ne4 13. Ne5
c5 (13... Qf6 14. Qb3 Nb6 15. Qb5 $14) 14. Bc4 (14. Bb5 Re7 $11) 14... cxd4 (
14... Rc8 $5 $15) 15. Qxd4 $11 Nef6 16. Rd1 Be4 17. Ng4 (17. Nd2 Bb6 18. Qxe4
Nxe4 19. Nxe4 Qc7 20. Bxd5 Rxe5 21. Bxe5 Qxe5 $11) 17... Bb6 $11 18. Nxf6+ Nxf6
19. Qxd8 Raxd8 20. Nc3 (20. Nd2 Ba5 21. Nxe4 Nxe4 $14) 20... Bc6 21. Bb5 Bxb5
22. Nxb5 Ne4 23. Bd4 Bxd4 1/2-1/2

[Event "corr SOK-92-91"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bothe, Erhard"]
[Result "0-1"]
[PlyCount "42"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 c5
8. Be2 Nc6 $15 9. Bb2 Bg4 10. O-O Qe7 11. Qc2 Rfd8 12. a3 Ba5 13. Rc1 (13. Nc3
Nxc3 14. Bxc3 Bxc3 15. dxc3 c4 $11) 13... b6 (13... Nf4 $1 14. exf4 Qxe2 $15)
14. d4 cxd4 (14... Rab8 $142 $11) 15. Ne5 $4 (15. Qxc6 dxe3 16. Qc4 exf2+ 17.
Kxf2 Qe3+ 18. Kg3 Bxf3 19. gxf3 $11) 15... Nxe5 $19 (15... Qxe5 $6 16. Bxg4
Nde7 17. exd4 Nxd4 18. Qd3 $17) 16. Bxg4 Nxg4 17. Bxd4 Ndxe3 $1 18. Bxe3 (18.
fxe3 Rxd4) 18... Qe5 (18... Nxe3 $143 19. fxe3 Qxe3+ 20. Kh1 $19) 19. Ra2 Qxh2+
20. Kf1 Qh1+ (20... Nxe3+ $6 21. fxe3 b5 22. a4 $19) 21. Ke2 Qxg2 (21... Qxg2
22. Qc6 Nxe3 23. Qxg2 Nxg2 $19) 0-1

[Event "corr NED-ch2"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Koetsier, David Alexander"]
[Result "1/2-1/2"]
[PlyCount "32"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 c5 8.
Be2 Nc6 9. Bb2 Bf5 10. O-O Re8 11. Nc3 Nxc3 (11... Rb8 12. Nxd5 (12. Rc1 Nxc3 (
12... Bxc3 13. Bxc3 (13. dxc3 b5 14. c4 bxc4 15. Ba1 Nb6 16. Bxc4 Nxc4 $15 {
-0.31/8}) 13... Nxc3 14. Rxc3 Qe7 15. Qa4 Bd7 16. Rfc1 Nd4 $11 {0.03/9}) (12...
Nf6 13. Na4 (13. Nb1 Nd7 14. d4 b6 15. a3 Ba5 16. d5 Ne7 $11 {0.25/9}) (13. a3
Ba5 14. Na4 b6 15. d4 Nd7 16. Ba1 Qe7 $11 {0.00/8}) (13. d3 b5 14. a3 Ba5 15.
Nb1 Bb6 16. Qc2 b4 $11 {-0.22/8}) (13. Nb5 Ne4 14. d3 Nd6 15. d4 Nxb5 16. Bxb5
Qa5 $11 {0.25/8}) 13... b6 14. d4 Nd7 15. Bb5 Be4 16. d5 Ne7 $14 {0.50/9}) (
12... Nb6 13. d3 (13. Nb5 a6 14. a3 axb5 15. axb4 c4 16. Nd4 Qd7 $11 {-0.06/8})
(13. a3 Bxc3 14. Rxc3 Qd6 15. d3 Rbd8 16. Qc2 Nd7 $11 {0.06/9}) 13... Qd7 14.
a3 Ba5 15. Nh4 Be6 16. Ne4 Qe7 $11 {0.12/9}) 13. dxc3 (13. Bxc3 Ba3 14. Ra1 b5
15. d4 b4 16. d5 bxc3 $19 {-1.56/9}) 13... Ba5 14. Qa4 Bc7 15. Rcd1 Qe7 16. Rd2
Rbd8 $15 {-0.28/9}) (12. Bb5 a6 (12... Nde7 13. Na4 (13. a3 Bxc3 14. Bxc3 Bd3
15. Bxd3 Qxd3 16. Qb1 Qxb1 $11 {-0.25/10}) (13. d4 Qa5 14. Qb3 Be6 15. Bc4 Bxc4
16. Qxc4 b5 $15 {-0.63/9}) (13. Rc1 a6 14. Be2 b5 15. a3 Ba5 16. d3 Ng6 $15 {
-0.34/8}) (13. Qc1 a6 14. Be2 b5 15. d3 Bxd3 16. a3 Ba5 $11 {-0.16/9}) (13. Re1
a6 14. Be2 b5 15. d3 Ba5 16. Rc1 Nb4 $15 {-0.50/8}) 13... c4 14. a3 Bd6 15. Qc1
Be4 16. Ng5 Bg6 $11 {-0.03/8}) (12... Bxc3 13. dxc3 (13. Bxc3 Be4 14. Bb2 Qb6
15. a4 a6 16. Bxc6 bxc6 $15 {-0.47/8}) 13... a6 14. c4 axb5 15. Qxd5 Bd3 16.
Rfd1 bxc4 $15 {-0.38/9}) (12... Bg4 13. Rb1 (13. h3 Bf5 14. Nxd5 Qxd5 15. d3
Qd6 16. a3 Ba5 $11 {-0.19/8}) (13. Rc1 a6 14. Bxc6 bxc6 15. d3 Qa5 16. Na4 Bxf3
$15 {-0.59/9}) (13. a3 Bxc3 14. dxc3 Qb6 15. c4 Nc7 16. Qa4 Bxf3 $15 {-0.50/9})
(13. Re1 Qd6 14. Bxc6 bxc6 15. Rc1 Ba5 16. Ba1 Nb4 $17 {-1.19/8}) (13. a4 Rc8
14. h3 Bh5 15. Nxd5 Qxd5 16. d3 Qd6 $15 {-0.50/9}) 13... Qd6 14. a3 Ba5 15.
Nxd5 Qxd5 16. d3 Bc7 $11 {-0.16/9}) (12... Re7 13. Rc1 (13. Nxd5 Qxd5 14. d3
Bg4 15. Bxc6 bxc6 16. e4 Qd6 $15 {-0.28/9}) (13. a3 Bxc3 14. dxc3 Rd7 15. Qe2
Be4 16. c4 Nb6 $11 {-0.16/9}) (13. Re1 a6 14. Bxc6 bxc6 15. Rc1 Qd6 16. Nh4 Bd7
$11 {-0.25/7}) (13. Qb3 Rd7 14. Nxd5 Rxd5 15. a3 Ba5 16. Qa4 Bd3 $11 {-0.22/8})
(13. Bxc6 bxc6 14. Re1 Ba5 15. Na4 Nb4 16. Nh4 Be6 $15 {-0.50/8}) 13... Bxc3
14. Bxc3 Qb6 15. Qa4 Ncb4 16. Bxb4 Nxb4 $11 {-0.13/8}) 13. Be2 (13. Bxc6 bxc6
14. Rc1 Bd3 15. Ne2 c4 16. Re1 Bd6 $17 {-0.97/8}) (13. Bc4 Nb6 14. Be2 c4 15.
a3 Bc5 16. a4 a5 $17 {-0.75/9}) (13. Nxd5 Qxd5 14. Bxc6 bxc6 15. a3 Ba5 16. Bc3
Bxc3 $15 {-0.66/10}) (13. Ba4 b5 14. Bc2 Nxc3 15. dxc3 Qxd1 16. Bxd1 Ba5 $15 {
-0.66/11}) 13... Bxc3 14. dxc3 b5 15. Re1 Nb6 16. Qc1 Be4 $15 {-0.38/10}) (12.
Qb3 Nb6 (12... Be6 13. Qc2 Qd7 14. Ne4 b6 15. Bb5 f6 16. a3 Ba5 $11 {0.22/8}) (
12... Nf6 13. Rfe1 (13. a3 Ba5 14. Rfc1 Be6 15. Qc2 b6 16. Ng5 Ne5 $14 {0.31/7}
) (13. Rfc1 Bd3 14. Bxd3 Qxd3 15. Na4 Qxb3 16. axb3 Ne4 $11 {-0.09/9}) (13. Ng5
Re7 14. a3 Ba5 15. Rac1 Bd3 16. Bxd3 Qxd3 $15 {-0.38/8}) (13. Qa4 a6 14. Qd1 b5
15. d3 Ba5 16. a3 Bc7 $17 {-0.72/8}) (13. Rae1 Na5 14. Qd1 c4 15. Qa4 Be7 16.
Nd4 Bd7 $15 {-0.28/10}) 13... Na5 14. Qa4 a6 15. a3 Bxc3 16. Bxc3 Nc6 $14 {
0.47/9}) (12... Nc7 13. Qc4 (13. Rfd1 Na5 14. Qa4 a6 15. Rdc1 b5 16. Qd1 c4 $15
{-0.47/9}) (13. Rad1 Na5 14. Qa4 b5 15. Nxb5 Bd7 16. Be5 Nxb5 $19 {-2.06/8}) (
13. a3 Ba5 14. Bc4 Qd7 15. Rac1 Bg4 16. Ng5 Ne5 $11 {-0.25/8}) 13... Be6 14.
Qf4 Bxc3 15. dxc3 Nd5 16. Qg5 h6 $11 {-0.19/9}) (12... Nde7 13. Ng5 (13. a3 Ba5
14. Bc4 Rf8 15. e4 Bg4 16. Ng5 Ne5 $15 {-0.41/8}) 13... Bg6 14. a3 Na5 15. Qa4
Bxc3 16. Bxc3 Nac6 $11 {-0.16/9}) 13. a3 Ba5 14. d4 cxd4 15. Rfd1 d3 16. Qb5
Bg6 $17 {-0.75/8}) 12... Qxd5 13. Qb3 (13. d3 Rbd8 14. a3 Ba5 15. Rc1 Bc7 16.
Qa4 Bd6 $11 {-0.19/8}) (13. a3 Ba5 14. Rc1 b6 15. Bc4 Qd6 16. d4 b5 $11 {0.03/8
}) 13... Be6 14. Qxd5 Bxd5 15. Rfc1 b6 16. a3 Ba5 $11 {0.06/9}) (11... Ba5 12.
Na4 (12. Nxd5 Qxd5 13. Rc1 (13. Qb3 Be6 14. Qxd5 Bxd5 15. Rfc1 Bb6 16. Ba3 Nd4
$11 {0.03/10}) 13... Qd6 14. Qb3 Be4 15. Ba3 Nb4 16. d4 cxd4 $14 {0.28/7}) (12.
Rc1 Nxc3 (12... Ndb4 13. d4 (13. e4 Be6 14. a3 Nd3 15. Bxd3 Qxd3 16. Re1 Rad8
$15 {-0.63/9}) (13. Ne1 Re7 14. a3 Nd3 15. Nxd3 Bxd3 16. Bxd3 Qxd3 $15 {-0.47/8
}) (13. Qb3 Nd3 14. Rb1 Rb8 15. Ba1 b5 16. Qd5 Qxd5 $17 {-1.19/8}) 13... cxd4
14. Nxd4 Nxd4 15. exd4 Be6 16. Bb5 Nc6 $11 {-0.16/8}) (12... Bxc3 13. dxc3 (13.
Bxc3 Nxc3 14. Rxc3 b6 15. d4 Qf6 16. Rc1 cxd4 $11 {-0.25/8}) 13... Nb6 14. c4
Qe7 15. Qb3 Rad8 16. Rcd1 Qe6 $11 {-0.03/8}) (12... b6 13. Nxd5 (13. Bb5 Rc8
14. Nxd5 Qxd5 15. Bc4 Qd7 16. d4 cxd4 $11 {-0.19/8}) (13. d4 Bxc3 14. Bxc3 Nxc3
15. Rxc3 Qf6 16. Rc1 Rad8 $11 {-0.19/9}) (13. Qa4 Nxc3 14. Bxc3 Bxc3 15. dxc3
Qf6 16. Qf4 Re4 $11 {-0.09/8}) 13... Qxd5 14. Bc4 Qd7 15. d4 cxd4 16. Bb5 dxe3
$18 {1.87/8}) 13. Bxc3 (13. dxc3 Qf6 14. Qd5 Bb6 15. Qb3 Na5 16. Qa3 c4 $15 {
-0.44/10}) 13... Bxc3 14. Rxc3 b6 15. Bb5 Qf6 16. d4 Be4 $11 {-0.19/8}) (12.
Qb3 Nxc3 (12... Nb6 13. Rfd1 (13. Rfe1 Rc8 14. Rac1 Be6 15. Qb5 Bb4 16. a3 a6
$11 {-0.16/9}) (13. Rfc1 Rc8 14. a3 Bd3 15. Bxd3 Qxd3 16. Qb5 c4 $15 {-0.34/9})
(13. Nb5 Be6 14. Qc2 a6 15. Na3 Rc8 16. Bd3 h6 $11 {-0.22/8}) (13. Rac1 c4 14.
Qb5 Bg4 15. Ba3 Qd7 16. Rfd1 Bxc3 $11 {-0.09/8}) (13. Nb1 Rc8 14. Rc1 Be6 15.
Qc2 Nb4 16. Qc3 f6 $11 {-0.25/10}) 13... Bd3 14. Bxd3 Qxd3 15. Na4 Qf5 16. Nxb6
Bxb6 $11 {0.00/9}) (12... Ndb4 13. Na4 (13. Bc4 Be6 14. Rab1 Bxc4 15. Qxc4 b6
16. d4 cxd4 $11 {0.03/9}) 13... b6 14. Bc4 Be6 15. Bxe6 fxe6 16. d4 cxd4 $11 {
0.12/9}) 13. Bxc3 (13. dxc3 Qe7 14. Rfd1 Rad8 15. Bb5 Be4 16. Nd2 Bd3 $15 {
-0.28/9}) (13. Bc4 Qe7 14. dxc3 Rad8 15. Bd5 Be4 16. c4 Rd7 $11 {-0.25/9})
13... Bxc3 14. dxc3 Qe7 15. Rfd1 Rad8 16. Bb5 Be4 $11 {-0.16/8}) 12... Qe7 (
12... Qd6 13. Rc1 b6 14. d4 cxd4 15. Nxd4 Nce7 16. Nxf5 Nxf5 $16 {1.22/9}) (
12... b6 13. d4 Qd6 14. dxc5 bxc5 15. Rc1 Bb6 16. Bb5 Be4 $14 {0.44/7}) 13. Rc1
(13. Bb5 Rec8 14. Rc1 Ncb4 15. Qb3 Be4 16. Be2 b5 $11 {0.09/7}) (13. d4 cxd4
14. Nxd4 Be4 15. Rc1 Rad8 16. Bf3 Bxf3 $15 {-0.50/8}) (13. Qc1 b6 14. Bb5 Bd7
15. Bc4 Nc7 16. Nc3 a6 $11 {-0.25/9}) (13. Qb3 Rad8 14. Rfd1 Be6 15. Qc2 b6 16.
a3 Bg4 $15 {-0.28/8}) (13. a3 Rad8 14. Bb5 Bg4 15. Qc2 Bxf3 16. gxf3 Bxd2 $15 {
-0.50/8}) 13... b6 14. Bb5 Qb7 15. d4 Red8 16. Qb3 Be6 $14 {0.44/8}) 12. dxc3 (
12. Bxc3 Bxc3 (12... b6 13. Qa4 (13. Bxb4 Nxb4 14. d4 Rc8 15. Qb3 Be6 16. Qa4
Qe7 $11 {-0.25/8}) (13. Qb3 Bd3 14. Bxd3 Qxd3 15. Rfc1 Rad8 16. Bxb4 Nxb4 $11 {
-0.22/8}) (13. a3 Bxc3 14. dxc3 Qf6 15. Qb3 Rad8 16. Rfd1 Be6 $15 {-0.34/9}) (
13. Bb5 Bxc3 14. dxc3 Qf6 15. Qa4 Re4 16. Qa3 Rg4 $15 {-0.44/9}) (13. Re1 Be4
14. Qb3 Bd5 15. Qc2 Bxc3 16. dxc3 Qf6 $15 {-0.44/9}) 13... Bxc3 14. dxc3 Qf6
15. Qf4 Re4 16. Qg5 Qe6 $11 {-0.16/10}) (12... Bd3 13. Bxd3 (13. a3 Bxc3 14.
dxc3 Be4 15. Nd2 Bg6 16. Bf3 Re6 $11 {-0.25/9}) (13. Re1 Rc8 14. a3 Ba5 15.
Bxa5 Nxa5 16. Rc1 Bxe2 $11 {-0.19/10}) (13. Bxb4 Nxb4 14. a3 Bxe2 15. Qxe2 Nd3
16. Ne1 Ne5 $15 {-0.34/10}) (13. Rc1 b6 14. Bxd3 Qxd3 15. Qa4 Re6 16. Bxb4 Nxb4
$11 {-0.25/8}) 13... Qxd3 14. Bxb4 Nxb4 15. a3 Na6 16. Rb1 b5 $11 {-0.09/10}) (
12... Be4 13. Qb3 (13. Qc1 Rc8 14. a3 Bxc3 15. dxc3 Qf6 16. Qb2 Ne5 $15 {
-0.44/9}) (13. a3 Bxc3 14. dxc3 Qf6 15. Qb3 Rad8 16. Rad1 b6 $11 {-0.22/9}) (
13. Bxb4 Nxb4 14. d4 cxd4 15. Nxd4 Nc6 16. Nxc6 bxc6 $15 {-0.31/8}) (13. Re1
Qd6 14. Ng5 Bd5 15. Qc2 Qh6 16. Qf5 Ne7 $11 {-0.22/8}) (13. h3 Rc8 14. Bxb4
Nxb4 15. d4 c4 16. Qa4 a5 $15 {-0.44/8}) 13... Bd5 14. Qb2 Bxc3 15. dxc3 Qe7
16. c4 Be6 $11 {-0.19/10}) (12... Qd7 13. Bxb4 (13. Qb3 Bxc3 14. dxc3 Rad8 15.
Rfd1 Qe7 16. Bb5 Qf6 $11 {-0.13/9}) (13. Bb5 Bd3 14. Bxd3 Qxd3 15. Bxb4 Nxb4
16. a3 Na6 $11 {-0.13/10}) (13. Qc1 b6 14. Qb2 Bxc3 15. dxc3 Rad8 16. Rfd1 Qe7
$11 {-0.25/10}) (13. a3 Bxc3 14. dxc3 Qe6 15. Qa4 a6 16. Qf4 Rad8 $11 {-0.16/9}
) (13. Rc1 b6 14. Bb5 Bxc3 15. dxc3 a6 16. Qxd7 Bxd7 $11 {-0.19/10}) 13... Nxb4
14. d4 Rac8 15. dxc5 Qxd1 16. Rfxd1 Rxc5 $11 {0.09/10}) 13. dxc3 Qf6 14. Qb3 b6
15. Rad1 Be4 16. Nd2 Bg6 $11 {-0.25/9}) 12... Ba5 (12... Qf6 13. Bb5 (13. Qb3
Ba5 14. Rad1 Rad8 15. c4 Qe7 16. Bd3 Bxd3 $11 {-0.16/9}) (13. Rc1 Ba5 14. Qb3
Rad8 15. Rcd1 Qe7 16. c4 b6 $11 {-0.22/10}) (13. cxb4 Qxb2 14. bxc5 Rad8 15.
Qe1 Qc2 16. Rd1 Qxa2 $11 {-0.25/10}) 13... Bxc3 14. Bxc3 Qxc3 15. Rc1 Qb4 16.
Qd5 Be4 $11 {-0.13/9}) 13. Qa4 (13. Qb3 Qe7 14. Rfd1 Rad8 15. Bb5 Be4 16. Nd2
Bd3 $11 {-0.22/9}) (13. c4 Qe7 14. Qb3 b6 15. Rad1 Rad8 16. Rxd8 Rxd8 $11 {
-0.22/9}) (13. Qxd8 Raxd8 14. Bb5 a6 15. Bxc6 bxc6 16. Rad1 Be6 $15 {-0.47/10})
(13. Bb5 Be4 14. Nd2 Bd5 15. c4 Bxg2 16. Qg4 g6 $11 {0.06/8}) (13. Rc1 Qf6 14.
Qd5 Bb6 15. Qb3 Na5 16. Qa3 c4 $15 {-0.44/10}) 13... Qc7 (13... Qb6 14. Bb5 Re4
15. Qb3 Be6 16. c4 a6 $17 {-0.81/9}) 14. Rad1 Rad8 (14... a6 15. Qh4 Qe7 16.
Qxe7 Nxe7 $11 {-0.09/8}) 15. Rxd8 (15. Bb5 Bd7 16. Qc2 h6 $11 {-0.09/9}) 15...
Rxd8 16. Rd1 Rxd1+ 1/2-1/2

[Event "corr NED 1-426"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Kirkels, Wiel"]
[Result "1-0"]
[PlyCount "71"]
[EventDate "1990.??.??"]

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 c5 9. Be2 Nc6 10. O-O Bf5 11. Nc3 Nxc3 12. dxc3 Ba5 13. Qb3 Qc7 14. Rad1
Rad8 15. Bc4 Be6 (15... Qe7 16. Bd5 $11) 16. Rxd8 Nxd8 17. Rd1 Bxc4 18. Qxc4
Ne6 19. Qa4 Rd8 20. Rxd8+ Qxd8 21. c4 Qd3 (21... b6 $142 $5 $11) 22. Qe8+ $16
Nf8 {The mate threat is Qd1} 23. Qxf7+ $1 {
The passed pawn on e3 will quickly become a dangerous weapon} Kxf7 {Decoy to f7
} 24. Ne5+ {Theme: Double Attack} Kg8 (24... Ke7 25. Nxd3 Ne6 26. e4 $16) 25.
Nxd3 Nd7 26. f4 (26. e4 a6 $18) 26... Bc7 (26... a6 27. a4 $16) 27. Kf2 $18 a6
28. a4 Bd6 29. a5 b6 30. Bc3 (30. e4 bxa5 31. e5 Be7 $16) 30... h5 (30... bxa5
31. Bxa5 g5 32. fxg5 $18) 31. e4 $18 Kf7 (31... Be7 32. f5 $18) 32. e5 Bc7 33.
f5 Ke7 34. Kf3 Nf6 $4 (34... bxa5 35. e6 Nb6 36. Bxa5 Bd8 37. Nxc5 Nxc4 38.
Bxd8+ Kxd8 39. Nxa6 Ke7 $18) 35. axb6 Ne4 (35... Bxb6 36. exf6+ gxf6 $18) 36.
Kxe4 (36. Kxe4 Bxb6 37. Kd5 $18) 1-0

[Event "corr 3GMMsemi-02"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Lopez"]
[Result "1/2-1/2"]
[PlyCount "77"]
[EventDate "1999.??.??"]

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. Be2 Nd7 10. O-O Qe7 11. Qb3 (11. Nd4 Bg6 (11... Be4) (11... Qe5) (
11... Be6) (11... Qf6) 12. Qb3 (12. Bf3 N7b6 (12... N7f6) (12... c6) 13. Qb3
Rad8 14. a3 Bc5 15. Nc3 Nxc3 16. dxc3 $15 {-0.41/8}) (12. Nc3 Nxc3 (12... N5f6)
(12... N7b6) (12... N7f6) (12... N5b6) (12... Bxc3) 13. Bxc3 Bxc3 14. dxc3 Ne5
15. Qb3 c5 16. Nf3 $15 {-0.41/10}) (12. d3 N7f6 (12... Bd6) (12... Bc5) (12...
Rad8) (12... Ne5) (12... c6) (12... Nxe3) 13. Qb3 Nxe3 14. a3 Bc5 15. Re1 Neg4
16. Nd2 $19 {-1.75/7}) (12. a3 Bc5 (12... Bd6 13. Qb3 N7b6 14. Nb5 Bf5 15. Nxd6
Qxd6 16. Nc3 $11 {-0.03/9}) 13. Bf3 c6 14. Bxd5 cxd5 15. Qb3 Nf6 16. Ne2 $15 {
-0.31/8}) (12. f4 Be4 13. a3 Bc5 14. Bf3 Rad8 15. Nc3 Nxc3 16. Bxc3 $15 {
-0.56/9}) 12... N7b6 (12... N7f6) (12... c6) (12... N5f6) 13. Nc3 c6 14. a4
Nxc3 15. dxc3 Bd6 16. Rfd1 $11 {-0.25/8}) (11. d3 N7f6 (11... N7b6) (11... Rad8
) (11... c6) (11... c5) 12. a3 (12. Nd4 Bg6 (12... Bd7) (12... Bc8) 13. Qb3
Nxe3 14. a3 Bc5 15. Re1 Neg4 16. Nd2 $19 {-1.75/7}) (12. Qa4 a6 (12... Be6 13.
Rc1 Bd6 14. Nc3 c5 15. d4 Nb6 16. Qa5 $11 {0.00/9}) (12... Bd7) (12... Bg4) (
12... c6) (12... Ng4) (12... Bd6) 13. Nd4 Bg6 14. Nf3 b5 15. Qb3 Bd6 16. Nc3
$15 {-0.37/8}) (12. Qc1 Bd6 (12... Rad8 13. Nd4 Bg6 14. e4 c5 15. Nb3 Rc8 16.
f3 $11 {0.13/8}) (12... Bg4) (12... Rac8) (12... Bd7) (12... Nb6) 13. Nc3 c6
14. Nd4 Bg6 15. Nxd5 Nxd5 16. Rb1 $15 {-0.34/9}) (12. Qb3 Be6 (12... c5) (12...
c6) (12... Rad8) (12... Rab8) 13. Qc2 Rad8 14. a3 Bd6 15. Nc3 Nxc3 16. Qxc3 $15
{-0.41/9}) (12. Nbd2 Nc3 (12... Rad8) (12... c5) (12... Bc3) (12... c6) (12...
Bg4) (12... Be6) 13. Bxc3 Bxc3 14. Rb1 c5 15. Qc1 Ba5 16. Nb3 $15 {-0.44/8})
12... Bc5 13. Bxf6 Qxf6 14. d4 Bd6 15. Bd3 Rad8 16. Bxf5 $11 {-0.19/10}) (11.
Nc3 Nxc3 (11... N7f6) (11... N7b6) (11... Bxc3) 12. Bxc3 (12. dxc3 Bd6 (12...
Bc5) 13. c4 Be4 14. Qd4 f5 15. Rad1 Nc5 16. Qd2 $15 {-0.56/9}) 12... Bxc3 (
12... a5) (12... Bd6) 13. dxc3 Be4 14. Qa4 Nc5 15. Qb4 a5 16. Qc4 $15 {-0.50/10
}) 11... Be6 12. a3 (12. Qc2 c5 (12... Rad8 13. Nd4 c6 14. Nc3 Nxc3 15. Bxc3
Bxc3 16. dxc3 $11 {-0.19/8}) (12... c6 13. Bd3 Nf8 14. Nd4 Qh4 15. Nf5 Bxf5 16.
Bxf5 $11 {-0.19/8}) (12... Bd6 13. Nc3 Nb4 14. Qe4 c6 15. Nd4 Nc5 16. Qb1 $11 {
-0.19/9}) (12... N7f6 13. Ng5 Bd6 14. Nxe6 Qxe6 15. Nc3 a6 16. Nxd5 $11 {
-0.06/8}) 13. Bd3 h6 14. a3 Ba5 15. Nc3 Bxc3 16. Bxc3 $11 {-0.25/8}) (12. Re1
Bd6 (12... Nc3) (12... c5) (12... a5) (12... Rad8) (12... N5f6) 13. e4 Nf4 14.
Bc4 Nc5 15. Qc3 Qf8 16. Bf1 $15 {-0.62/8}) (12. Nd4 Nf4 (12... Nc3 13. Bc4 Bxc4
14. Qxc4 Ne5 15. Qb3 Nxb1 16. Raxb1 $11 {0.13/8}) 13. Bc4 Bxc4 14. Qxc4 Nb6 15.
Qb3 Nh5 16. Rc1 $11 {0.03/8}) (12. d4 c5 (12... Rad8) (12... Nc3) (12... c6) (
12... Rac8) (12... a6) (12... Nf4) 13. a3 Ba5 14. Bc4 N7b6 15. Bxd5 Bxd5 16.
Qb5 $15 {-0.59/9}) (12. Qa4 N7b6 (12... Bd6) (12... c6) (12... Bg4) (12... a6)
(12... N5b6) (12... Bc5) 13. Qc2 Bd6 14. Bd3 h6 15. Bh7+ Kh8 16. Bf5 $15 {
-0.53/9}) 12... Bd6 (12... Bc5 13. Qc2 Rad8 14. Nc3 Nxc3 15. Bxc3 Bd5 16. Bb4
$11 {-0.09/8}) 13. Qc2 (13. Qxb7 $2 Rab8 14. Qxa7 Rxb2 $19) 13... c6 (13...
Rad8 14. Nd4 Qh4 15. f4 Bg4 16. Bxg4 $11 {-0.22/9}) 14. Rc1 (14. Nd4 Qh4 15. f4
N7f6 16. Nxe6 $11 {-0.22/8}) 14... N7b6 (14... Rad8 15. d3 N7f6 16. Nc3 $15 {
-0.34/9}) 15. Bd3 (15. Be5 Bxe5 16. Nxe5 $11 {-0.19/8}) 15... g6 (15... h6 16.
Nd4 $11 {-0.12/9}) 16. Nc3 (16. Nd4 Bg4 (16... Rad8 17. Nxe6 Qxe6 18. Be2 f5
19. Nc3 f4 20. Nxd5 Nxd5 21. Re1 $11 {0.03/8}) (16... Qh4 17. g3 (17. f4 Bg4 (
17... Rad8 18. Nc3 Bg4 19. Nxd5 Nxd5 20. Qa4 Bb8 21. Qb3 $11 {0.00/8}) (17...
Bd7 18. Nc3 Nxc3 19. Nf3 Qf6 20. Bxc3 Qe7 21. Bb2 $11 {0.25/10}) (17... Rab8
18. Nxe6 Rxe6 19. Nc3 Nf6 20. Ne4 Nxe4 21. Bxe4 $11 {0.09/9}) (17... Rac8 18.
Nxe6 Rxe6 19. Nc3 Rd8 20. Nxd5 Nxd5 21. Bc4 $11 {0.19/8}) (17... Qh5 18. Nxe6
Rxe6 19. Nc3 g5 20. Be2 Qh6 21. Ne4 $14 {0.34/8}) (17... Bc8 18. Nc3 Nxc3 19.
Nf3 Qf6 20. Bxc3 Qe7 21. Bb2 $14 {0.31/10}) 18. Nc3 Nxc3 19. Bxc3 Nd5 20. Bb2
Rad8 21. Qa4 $11 {0.00/8}) 17... Qh5 (17... Qh6 18. Nxe6 Rxe6 19. Nc3 Nf6 20.
Be2 Qh3 21. d3 $11 {0.16/10}) (17... Qg5 18. Nc3 Rad8 19. Ne4 Qe7 20. Nxd6 Rxd6
21. e4 $14 {0.28/9}) 18. Nxe6 Rxe6 19. Nc3 Nxc3 20. dxc3 Rd8 21. Rd1 $11 {
0.03/9}) (16... f5 17. Nxe6 (17. Be2) (17. Nc3) (17. f4) (17. Bf1) (17. f3)
17... Qxe6 18. Nc3 Nxc3 19. Qxc3 Be5 20. Qxe5 Qxe5 21. Bxe5 $11 {0.25/10}) (
16... Qg5 17. Nxe6 (17. f4 Qg4 (17... Qh4 18. g3 Qg4 19. Be2 Qh3 20. e4 Nc7 21.
a4 $11 {0.22/8}) (17... Qh5 18. Nxe6 Rxe6 19. Nc3 g5 20. Be2 Qh6 21. Ne4 $14 {
0.34/8}) (17... Qe7 18. Nc3 Rad8 19. Ne4 Bg4 20. h3 Be6 21. f5 $14 {0.34/9}) (
17... Qh6) (17... Qd8) 18. Nc3 Nxc3 19. Nxe6 Nca4 20. Ng5 Nxb2 21. Qxb2 $15 {
-0.37/9}) (17. Nc3 Bh3 (17... Qh5 18. f4 Rad8 19. Nxe6 Rxe6 20. Be2 Qh4 21. Bf3
$11 {0.16/8}) (17... Nxc3 18. f4 Qh4 19. g3 Qg4 20. Bxc3 Rad8 21. Nxe6 $11 {
0.06/10}) (17... Qh4 18. g3 Qe7 19. Ne4 Nd7 20. Nxe6 Qxe6 21. Nxd6 $14 {0.41/9}
) (17... Qe5 18. g3 Nxc3 19. Bxc3 Qh5 20. Nxe6 fxe6 21. f4 $11 {0.06/9}) (17...
Qh6 18. f4 Rad8 19. Nxe6 Rxe6 20. Nxd5 Nxd5 21. Bc4 $11 {0.16/9}) 18. Bf1 Nxc3
19. Bxc3 Bg4 20. Bb4 Rad8 21. Bxd6 $11 {-0.09/9}) (17. Be4 Bg4 (17... Rad8 18.
Nxe6 Rxe6 19. d3 f5 20. Bxd5 Nxd5 21. Nd2 $11 {0.16/9}) (17... f5 18. Nxe6 Rxe6
19. Bxd5 Nxd5 20. Qb3 Qh4 21. h3 $11 {0.13/9}) (17... Qh5 18. h3 Rad8 19. d3
Be5 20. Nxe6 Rxe6 21. Bxe5 $11 {0.19/9}) (17... Rac8 18. d3 Bg4 19. Nd2 f5 20.
Bf3 Qh5 21. h3 $11 {0.13/8}) (17... Qh4 18. g3 Qg4 19. d3 Rad8 20. Nd2 f5 21.
Nxe6 $11 {0.22/8}) (17... Qh6 18. h3 f5 19. Bf3 Bf7 20. d3 f4 21. e4 $11 {
0.03/9}) 18. d3 f5 19. Bxd5+ cxd5 20. Nc3 f4 21. f3 $11 {-0.09/8}) 17... Rxe6 (
17... fxe6 18. f4 Qg4 19. Nc3 Nxc3 20. Qxc3 e5 21. Bc2 $14 {0.38/7}) 18. f4 Qh4
19. Nc3 Rd8 20. Nxd5 Nxd5 21. Bc4 $11 {0.09/8}) 17. h3 (17. Nc3 Nxc3 (17... Qe5
) 18. Qxc3 Be5 19. Qb4 Qxb4 20. axb4 a6 21. h3 $11 {-0.25/8}) (17. f3 Bd7 (
17... Bc8) 18. Be4 Nf6 19. Bd3 c5 20. Nb5 Be5 21. f4 $11 {-0.25/7}) (17. Bf1 f6
(17... Be5 18. h3 Bd7 19. Nf3 Bxb2 20. Qxb2 Rad8 21. d4 $11 {0.13/9}) (17...
Rac8 18. h3 Bd7 19. Nc3 Be5 20. Nf3 Bg7 21. d3 $11 {0.09/9}) (17... h6 18. h3
Bd7 19. Nc3 Rad8 20. Nxd5 Nxd5 21. Bc4 $11 {0.09/9}) (17... Qe5 18. f4 Qe4 19.
Bd3 Qe7 20. h3 Bd7 21. Nc3 $11 {0.00/8}) (17... Rab8 18. h3 Bd7 19. Nc3 Rbd8
20. Be2 Be5 21. Nxd5 $11 {0.09/8}) (17... Rad8 18. d3 Bc7 19. Nd2 f5 20. h3 Bh5
21. e4 $11 {-0.03/8}) 18. h3 Bd7 19. Nc3 Nxc3 20. Bxc3 Kg7 21. a4 $11 {-0.19/9}
) (17. f4 Rad8 (17... Rac8) (17... Rab8) (17... a6) 18. Kh1 Qh4 19. Nc3 Nxc3
20. Bxc3 Be7 21. Rcb1 $15 {-0.31/8}) (17. Ra2 Rad8 (17... Rac8 18. h3 Bd7 19.
Nc3 Be5 20. Nf3 Bf6 21. Raa1 $11 {-0.06/9}) (17... Be5 18. h3 Bd7 19. Nf3 Bc7
20. Nc3 Be6 21. Raa1 $11 {-0.06/9}) (17... Qe5 18. f4 Qh5 19. Nc3 Nxc3 20. Bxc3
Nd5 21. Bb2 $11 {-0.09/9}) (17... f6 18. h3 Bd7 19. Nc3 Nxc3 20. Bxc3 Kg7 21.
Be2 $11 {-0.09/9}) 18. h3 Be6 19. Nxe6 Qxe6 20. Nc3 Bxa3 21. Nxd5 $11 {-0.12/8}
) 17... Bd7 (17... Be6 18. Nc3 Be5 19. Nxe6 fxe6 20. Be2 Nxc3 21. Bxc3 $11 {
0.13/9}) (17... Bc8 18. Nc3 Nxc3 19. Qxc3 Be5 20. Qc2 Bd7 21. Nf3 $11 {0.13/9})
18. Nc3 Nxc3 19. Qxc3 Be5 20. Qc2 Rad8 21. Rab1 $11 {-0.09/9}) (16. Be2 Rad8 (
16... Bf5 17. Qb3 (17. Qd1 Rad8 (17... Nf4) (17... Bg4) (17... h6) (17... Rab8)
(17... Rac8) (17... Bxb1) 18. Nd4 Qh4 19. g3 Qf6 20. Qb3 Be5 21. Ra2 $15 {
-0.53/7}) (17. Bd3 Bxd3 (17... Bg4 18. Be2 Rad8 19. Nc3 a6 20. Nxd5 Nxd5 21. d3
$11 {0.03/8}) (17... Be4) 18. Qxd3 Rad8 19. Qd4 f6 20. d3 c5 21. Qh4 $15 {
-0.28/10}) 17... Bg4 (17... h6 18. Nc3 Be6 19. Nxd5 Nxd5 20. Bc4 b5 21. Bxd5
$14 {0.28/8}) (17... Red8 18. Nc3 Be6 19. Nxd5 Nxd5 20. Bc4 f6 21. e4 $14 {
0.31/9}) (17... Rab8 18. Nc3 Be6 19. Nxd5 Nxd5 20. Bc4 Rbd8 21. e4 $16 {0.78/9}
) (17... Rac8 18. Nc3 Be6 19. Nxd5 Nxd5 20. Qa4 c5 21. e4 $11 {0.13/8}) (17...
Rad8 18. Nc3 Be6 19. Nxd5 Nxd5 20. Bc4 f5 21. Nd4 $11 {0.09/8}) (17... Qd7 18.
Nc3 Rad8 19. Nxd5 Nxd5 20. Bc4 Rc8 21. Nd4 $11 {0.19/8}) 18. Nc3 Rad8 19. Qc2
Bf5 20. Nxd5 Nxd5 21. Qa4 $11 {0.03/9}) (16... f6 17. Nd4 (17. Nc3 Nxc3 (17...
Rad8 18. Nxd5 Nxd5 19. Nd4 Bf7 20. Bc4 Be5 21. Nf3 $11 {0.19/9}) (17... Rac8
18. Nxd5 cxd5 19. Qb3 Nc4 20. Bd4 b6 21. a4 $11 {0.06/9}) (17... Kg7 18. d3
Nxc3 19. Bxc3 Bxa3 20. Bxf6+ Qxf6 21. Rxa3 $14 {0.34/8}) (17... Rab8 18. Nxd5
Bxd5 19. a4 Rbd8 20. a5 Nd7 21. Bc4 $14 {0.38/9}) (17... Kh8 18. Nxd5 Bxd5 19.
d3 Rad8 20. Bd4 Rc8 21. Qb2 $14 {0.28/10}) (17... Bf7 18. Nxd5 Bxd5 19. a4 Nd7
20. Bc4 Bxc4 21. Qxc4+ $11 {0.13/8}) 18. Qxc3 Kg7 19. Qa5 Bc7 20. d3 Bg4 21.
Rab1 $11 {-0.06/8}) (17. d4 Rad8 (17... Bf5 18. Qb3 a5 19. Nc3 a4 20. Qd1 Qe6
21. Nd2 $11 {0.00/9}) (17... Kg7 18. Bd3 Rac8 19. Nbd2 c5 20. Qb1 cxd4 21. Rxc8
$11 {0.16/9}) (17... a5) (17... Rac8) (17... Kh8) (17... Bg4) 18. Nc3 Nxc3 19.
Qxc3 Nd5 20. Qc2 Bf5 21. Qb3 $11 {-0.22/10}) (17. d3 Bd7 (17... Bf7 18. Nbd2
Rac8 19. Ne4 Bc7 20. Bd4 h6 21. a4 $14 {0.59/8}) (17... Bf5 18. Nd4 Bd7 19. Nc3
Nxc3 20. Bxc3 Kg7 21. Qb3 $11 {0.03/9}) (17... c5 18. Nbd2 Bf5 19. Bf1 Bg4 20.
Ne4 Bxf3 21. gxf3 $11 {0.16/9}) (17... Bg4 18. Nc3 Nxc3 19. Qxc3 Nd5 20. Qc2
Rad8 21. Re1 $11 {0.06/7}) (17... Rad8 18. Nbd2 f5 19. Nc4 Bc5 20. Rab1 f4 21.
e4 $14 {0.28/7}) (17... f5 18. Nbd2 Rad8 19. Nc4 Bc5 20. Rab1 f4 21. e4 $14 {
0.59/8}) 18. Nc3 Nxc3 19. Qxc3 Nd5 20. Qc2 Rad8 21. a4 $11 {-0.06/9}) (17. Bd4
Rad8 (17... c5) (17... Rac8) (17... Rab8) (17... Bg4) (17... Bf5) (17... Nd7)
18. d3 c5 19. Bb2 Bf5 20. Nc3 Nxc3 21. Qxc3 $11 {-0.22/9}) 17... Bf7 (17...
Rad8 18. Nxe6 Qxe6 19. Nc3 Nxc3 20. Bxc3 f5 21. Re1 $11 {0.09/9}) (17... f5 18.
d3 Bf7 19. Nd2 Rad8 20. Re1 Be5 21. N4f3 $11 {0.03/9}) 18. Nf3 Rad8 19. Nc3 Be6
20. Nxd5 Bxd5 21. d3 $11 {-0.03/9}) (16... f5 17. Nc3 (17. d3 Rad8 (17... Rac8
18. Nc3 h6 19. Nxd5 Bxd5 20. Qc3 Kh7 21. Qa5 $11 {0.13/8}) (17... Nf6 18. Be5
f4 19. Bxd6 Qxd6 20. e4 Bg4 21. Nbd2 $11 {0.03/8}) (17... Rab8 18. Nbd2 Rbd8
19. Nc4 Bc7 20. Rab1 f4 21. e4 $14 {0.41/9}) (17... Rf8 18. Nbd2 Rad8 19. Nc4
Nxc4 20. dxc4 Nf6 21. c5 $11 {0.25/8}) (17... a6 18. Nbd2 c5 19. Rab1 Nd7 20.
Re1 h6 21. Nc4 $14 {0.47/9}) (17... Bf7 18. Nc3 Nd7 19. Nxd5 Bxd5 20. Qc3 Ne5
21. Nxe5 $11 {0.19/9}) 18. Nc3 h6 19. Nxd5 Bxd5 20. a4 Nd7 21. a5 $11 {-0.09/8}
) (17. Be5 Bxe5 (17... f4 18. e4 Bg4 19. Bxd6 Qxd6 20. d4 Bxf3 21. Bxf3 $11 {
0.16/8}) (17... Rad8 18. Bxd6 Rxd6 19. d4 Bf7 20. Bd3 Red8 21. Ne5 $14 {0.34/9}
) (17... Rab8 18. Bxd6 Qxd6 19. d4 Qe7 20. Nbd2 f4 21. e4 $14 {0.66/10}) (17...
Rac8 18. Bxd6 Qxd6 19. d4 Rc7 20. Nbd2 Nf6 21. a4 $14 {0.50/9}) (17... Nc8 18.
d4 Ncb6 19. Bxd6 Qxd6 20. Nbd2 Rac8 21. a4 $14 {0.44/9}) (17... Bf7 18. d4 Bxe5
19. Nxe5 c5 20. Nd2 cxd4 21. exd4 $11 {-0.06/9}) 18. Nxe5 Rac8 19. d4 c5 20.
Qb2 cxd4 21. exd4 $11 {-0.12/10}) (17. Nd4 Qh4 (17... Rad8 18. Nxe6 Qxe6 19.
Nc3 f4 20. Nxd5 Nxd5 21. Re1 $11 {0.03/8}) (17... Bf7 18. Nc3 f4 19. Nxd5 Nxd5
20. Re1 Rad8 21. Nf3 $11 {0.03/9}) (17... Qc7 18. f4 Qd7 19. Nxe6 Rxe6 20. Nc3
Rd8 21. Nxd5 $11 {0.19/10}) (17... Rac8 18. Nxe6 Qxe6 19. Nc3 f4 20. Nxd5 Nxd5
21. Re1 $11 {0.03/8}) (17... Rab8 18. Nxe6 Qxe6 19. Nc3 f4 20. Nxd5 Nxd5 21.
Re1 $11 {0.13/8}) (17... Qf7 18. Nxe6 Qxe6 19. Nc3 f4 20. Nxd5 Nxd5 21. Re1 $11
{0.13/8}) 18. f4 Rad8 19. g3 Qe7 20. Nxe6 Qxe6 21. Nc3 $11 {-0.06/9}) 17... Nf6
(17... Rac8 18. d3 Rcd8 19. Nxd5 Nxd5 20. Qa4 c5 21. d4 $14 {0.34/9}) (17... h6
18. Nxd5 Bxd5 19. a4 Rad8 20. a5 Nc8 21. Bc4 $14 {0.53/9}) (17... Rad8 18. Nxd5
Nxd5 19. Qa4 c5 20. d4 b6 21. Bc4 $14 {0.34/8}) (17... Nd7 18. Nxd5 Bxd5 19.
Qc3 Ne5 20. Nxe5 Bxe5 21. Qxe5 $11 {0.13/11}) (17... Red8 18. Nxd5 Nxd5 19. Ne5
Rac8 20. Nc4 Bc7 21. d3 $11 {0.09/9}) (17... Qd8 18. Nxd5 Nxd5 19. Bc4 Qe7 20.
Nd4 Bf7 21. d3 $11 {0.22/9}) 18. d4 Nfd5 19. Ne5 Rad8 20. Rd1 Nxc3 21. Bxc3 $11
{-0.03/9}) (16... Rac8 17. d3 (17. Nc3 f6 (17... Rcd8 18. d3 f5 19. Nxd5 Nxd5
20. Qa4 c5 21. d4 $14 {0.34/9}) (17... f5 18. d3 h6 19. Nxd5 Bxd5 20. Qc3 Kh7
21. Qa5 $11 {0.09/9}) (17... Bf5 18. Nxd5 cxd5 19. Qb3 Be6 20. Bb5 Red8 21. Nd4
$14 {0.34/8}) (17... h6 18. d3 f5 19. Nxd5 Bxd5 20. Qc3 Kh7 21. Qa5 $11 {0.09/9
}) (17... Bg4 18. d3 Bxf3 19. Bxf3 Nxe3 20. fxe3 Qxe3+ 21. Kf1 $11 {0.00/11}) (
17... Rc7 18. d3 Rd7 19. Ne4 Bb8 20. Nc5 Rdd8 21. a4 $14 {0.56/9}) 18. d3 Nxc3
19. Qxc3 Nd5 20. Qd2 Rcd8 21. Nd4 $11 {-0.06/10}) (17. Nd4 Qh4 (17... Rcd8 18.
Nxe6 fxe6 19. Nc3 Rf8 20. Ne4 Qh4 21. f4 $14 {0.41/10}) (17... Bd7 18. Nc3 Rcd8
19. Nxd5 Nxd5 20. Rab1 Nb6 21. Qc3 $11 {0.09/8}) (17... Qc7 18. f4 Qd7 19. Nxe6
Qxe6 20. Nc3 Rcd8 21. Rab1 $11 {0.16/9}) (17... f5 18. Nxe6 Qxe6 19. Nc3 f4 20.
Nxd5 Nxd5 21. Re1 $11 {0.03/8}) (17... h6 18. Nxe6 Qxe6 19. Nc3 Rcd8 20. Nxd5
Nxd5 21. Qa4 $11 {0.13/9}) (17... Rb8 18. Nc3 Qh4 19. g3 Qh3 20. Ne4 Be7 21.
Nxe6 $11 {0.25/9}) 18. g3 Qe7 19. Nxe6 Qxe6 20. a4 a5 21. d3 $11 {-0.12/9}) (
17. a4 h6 (17... f6 18. a5 Nb4 19. Qe4 N6d5 20. Nc3 Rcd8 21. Nd4 $11 {-0.06/8})
(17... Bf5 18. Qb3 Rb8 19. a5 Nd7 20. Nc3 Nb4 21. Ba3 $11 {0.13/8}) (17... Nd7
18. a5 N7f6 19. Nc3 Nb4 20. Qb1 Rcd8 21. d3 $11 {-0.09/9}) (17... a5 18. d3 f5
19. Nbd2 h6 20. Nc4 Nxc4 21. dxc4 $14 {0.41/9}) (17... Rc7) (17... Rb8) 18. a5
Nd7 19. a6 b6 20. Na3 b5 21. d3 $15 {-0.37/9}) 17... Bg4 (17... Rcd8 18. Nc3 f5
19. Nxd5 Nxd5 20. Qa4 c5 21. d4 $14 {0.31/9}) (17... Bf5 18. Re1 Nd7 19. Nc3
N7b6 20. e4 Bg4 21. h3 $11 {0.19/8}) (17... c5 18. Nc3 Bf5 19. e4 Bf4 20. Re1
Ne3 21. fxe3 $18 {2.38/9}) (17... Bd7 18. Nc3 f5 19. Nxd5 cxd5 20. Qd2 Rxc1+
21. Bxc1 $11 {0.13/8}) (17... f5 18. Nbd2 Rcd8 19. Nc4 Bc5 20. Rab1 f4 21. e4
$14 {0.59/8}) (17... Nf6 18. Nbd2 Bd5 19. e4 Nh5 20. Re1 Be6 21. a4 $14 {0.31/9
}) 18. Nc3 Bxf3 19. Bxf3 Nxe3 20. fxe3 Qxe3+ 21. Kf1 $11 {0.00/11}) 17. d3 (17.
Nc3 Nd7 (17... h6 18. d3 f5 19. Nxd5 Bxd5 20. a4 Nd7 21. a5 $11 {-0.09/8}) (
17... Bf5 18. Nxd5 Nxd5 19. Qa4 a6 20. Qd4 f6 21. Bc4 $11 {0.06/9}) (17... Rd7
18. d3 Bf5 19. e4 Bf4 20. exf5 Bxc1 21. Rxc1 $18 {1.53/7}) (17... Nf6 18. d3 h6
19. Ne4 Nxe4 20. dxe4 Nd7 21. Rd1 $11 {0.19/9}) (17... f6 18. Nxd5 Nxd5 19. Bc4
Bg4 20. Nd4 Kg7 21. h3 $11 {0.25/8}) (17... Bg4) 18. Nd4 Nxc3 19. Qxc3 Be5 20.
Qa5 Bd5 21. f4 $15 {-0.34/7}) 17... f5 (17... Bf5 18. Nbd2 Bc7 19. e4 Nf4 20.
Bf1 Bg4 21. Qc3 $14 {0.56/9}) (17... f6 18. Nbd2 f5 19. Nc4 Bc5 20. Rab1 f4 21.
e4 $14 {0.28/7}) (17... Bg4 18. Nbd2 f5 19. Nc4 Bc7 20. h3 Bh5 21. Re1 $11 {
0.16/8}) (17... Bd7 18. Nc3 Bf5 19. e4 Nxc3 20. Qxc3 f6 21. exf5 $18 {2.00/9})
(17... Bc8 18. Nbd2 Bc7 19. Nc4 Bg4 20. h3 Be6 21. Nxb6 $11 {0.09/9}) (17... h6
18. Nbd2 f5 19. Nc4 Bc7 20. Be5 Nxc4 21. dxc4 $11 {0.22/8}) 18. Nc3 h6 19. Nxd5
Bxd5 20. a4 Nd7 21. a5 $11 {-0.09/8}) 16... Nf6 (16... Rad8 17. Nxd5 (17. Ne4
Bb8 (17... Bc7 18. Nd4 Bg4 19. f3 Bc8 20. f4 f5 21. Nf2 $11 {0.06/9}) (17...
Bf5 18. Nxd6 Bxd3 19. Qxd3 Qxd6 20. Qd4 f6 21. d3 $11 {0.22/10}) (17... Bd7 18.
Nxd6 Qxd6 19. Be2 Bg4 20. h3 Bxf3 21. Bxf3 $14 {0.44/8}) 18. Nd4 Bc8 19. f4 f5
20. Nf2 Bd6 21. Be2 $11 {0.06/9}) (17. Be2 Nd7 (17... h6 18. Nxd5 Nxd5 19. Nd4
Qc7 20. Bc4 Kh7 21. h3 $11 {0.25/8}) (17... Bf5 18. Nxd5 Nxd5 19. Qa4 Bb8 20.
Qd4 f6 21. Qh4 $11 {0.09/9}) (17... Rd7 18. d3 f5 19. Nxd5 Nxd5 20. Qa4 Bc5 21.
d4 $14 {0.44/9}) (17... Nf6 18. d3 h6 19. Ne4 Nxe4 20. dxe4 Nd7 21. Rd1 $11 {
0.19/9}) (17... f6 18. Nxd5 Bxd5 19. d3 c5 20. Rab1 Qe6 21. Bc3 $11 {-0.06/8})
(17... Bg4) 18. Nd4 Nxc3 19. Qxc3 Be5 20. Qa5 Bd5 21. f4 $15 {-0.34/7}) 17...
Nxd5 18. Bc4 f5 19. Rab1 h6 20. d3 Kh7 21. Nd4 $11 {0.19/9}) (16... f5 17. Nxd5
(17. Be2 a6 (17... Nf6 18. d4 Nfd5 19. Ne5 Rad8 20. Rd1 Nd7 21. Rab1 $11 {
-0.03/8}) (17... h6 18. Nxd5 Bxd5 19. a4 Rad8 20. a5 Nd7 21. Bc4 $14 {0.41/8})
(17... Rad8 18. Nxd5 Nxd5 19. Qa4 c5 20. d4 a6 21. dxc5 $14 {0.31/8}) (17...
Nd7 18. Nxd5 Bxd5 19. Qc3 Ne5 20. Nxe5 Bxe5 21. Qxe5 $11 {0.13/10}) (17... Rac8
18. d3 h6 19. Nxd5 Bxd5 20. Qc3 Kh7 21. Qa5 $11 {0.13/8}) (17... Nc7 18. Nd4
Rad8 19. Nxe6 Nxe6 20. a4 Nd7 21. d4 $11 {0.25/9}) 18. Rab1 Rad8 19. Nd4 Bf7
20. Nxd5 Nxd5 21. Bc4 $11 {-0.06/8}) (17. Nd4 Rad8 (17... Bf7 18. Be2 f4 19.
Nf3 fxe3 20. dxe3 Nf6 21. Re1 $11 {0.00/8}) (17... Nf6 18. Nxe6 Qxe6 19. Na4
Nxa4 20. Qxa4 Nd5 21. f4 $14 {0.31/9}) 18. Nxe6 Qxe6 19. Nxd5 Qxd5 20. Bf1 f4
21. Re1 $11 {-0.03/8}) (17. Bf1 Nc7 (17... h6 18. Be2 Rad8 19. d3 Bf7 20. Nxd5
Nxd5 21. Rab1 $11 {-0.03/9}) (17... Nf6 18. a4 Rad8 19. d3 Ng4 20. Be2 Nd5 21.
Nxd5 $11 {0.16/9}) (17... Rad8 18. Be2 Nf6 19. Ng5 Bd5 20. d3 Qe5 21. g3 $11 {
0.13/9}) (17... a6 18. Nd4 Bf7 19. Rab1 Rab8 20. Nxd5 Nxd5 21. a4 $11 {-0.06/8}
) (17... Rac8 18. Nxd5 cxd5 19. Qd3 Nc4 20. Bc3 Bc5 21. a4 $11 {0.09/8}) (17...
Bf7 18. Be2 f4 19. e4 Nc7 20. e5 Bxe5 21. Nxe5 $16 {0.81/9}) 18. Nd4 Bf7 19.
Be2 Ne6 20. Nxe6 Bxe6 21. Na4 $11 {-0.09/9}) 17... Nxd5 (17... Bxd5 18. Be2 h6
19. a4 Rad8 20. a5 Nd7 21. Bc4 $14 {0.41/9}) 18. Nd4 Bf7 19. Bc4 Rad8 20. Nf3
h6 21. Rab1 $11 {0.16/8}) (16... Bg4 17. Nxd5 (17. Be2 Rac8 (17... Rad8 18.
Nxd5 Nxd5 19. h3 Bf5 20. d3 Bd7 21. Re1 $11 {0.06/8}) (17... Bf5 18. Nxd5 Nxd5
19. Qa4 f6 20. Nd4 Be6 21. Nxe6 $14 {0.28/9}) (17... Nf6 18. d3 Rad8 19. Na4
Nbd7 20. Rcb1 Nd5 21. h3 $11 {0.06/9}) (17... f6 18. Nxd5 Nxd5 19. Qa4 Qd7 20.
Ne5 fxe5 21. Bxg4 $11 {0.16/8}) (17... f5 18. h3 Bxf3 19. Bxf3 Qe6 20. Nxd5
Nxd5 21. d3 $14 {0.34/9}) (17... Bxf3 18. Bxf3 Qe5 19. g3 Nxc3 20. Bxc3 Qe6 21.
d3 $11 {0.25/10}) 18. d3 Bxf3 19. Bxf3 Nxe3 20. fxe3 Qxe3+ 21. Kf1 $11 {0.00/10
}) (17. Nd4 Qe5 (17... Nxc3 18. Qxc3 Be5 19. Qc2 Rad8 20. h3 Bd7 21. Rab1 $11 {
-0.06/9}) 18. g3 Nxc3 19. Bxc3 Qe7 20. Bb2 Rad8 21. Bf1 $11 {-0.09/9}) 17...
Nxd5 (17... cxd5 18. Qc3 f6 19. Be2 Bxf3 20. Bxf3 Qe5 21. g3 $14 {0.31/9}) 18.
Nd4 Rad8 19. Bc4 Nb6 20. Ba2 c5 21. Nb5 $11 {0.13/9}) (16... f6 17. Ne4 Bb8 (
17... Bc7 18. Nc5 Rab8 19. Nxe6 Qxe6 20. Rab1 Rbd8 21. Bd4 $11 {0.22/9}) (17...
Rad8 18. Nxd6 Qxd6 19. Bxg6 hxg6 20. Qxg6+ Kf8 21. e4 $16 {0.84/8}) 18. Nc5 Bf7
19. Bd4 Bd6 20. Be2 Nf4 21. d3 $11 {0.16/9}) 17. Be2 (17. Nd4 Bc4 (17... Bg4
18. f3 Bd7 19. a4 Rad8 20. a5 Nbd5 21. Nxd5 $11 {0.13/9}) (17... Rad8 18. Nxe6
Qxe6 19. Be2 Ng4 20. h3 Nf6 21. Na4 $11 {0.13/9}) (17... Ng4 18. h3 Ne5 19. Be2
Nec4 20. Bxc4 Nxc4 21. d3 $11 {0.06/10}) (17... Bd7 18. Be2 Ng4 19. Bxg4 Bxg4
20. f3 Bc8 21. Ne4 $11 {0.19/11}) (17... h6 18. Nxe6 Qxe6 19. Ne2 Nfd5 20. Nd4
Qg4 21. h3 $11 {0.16/9}) (17... Bc8 18. a4 Ng4 19. Nf3 Qc7 20. g3 Ne5 21. Nxe5
$14 {0.50/10}) 18. Be2 Bxe2 19. Ncxe2 Rad8 20. d3 Be5 21. Rcb1 $11 {-0.03/9}) (
17. Bf1 h6 (17... Bf5 18. d3 Bg4 19. Be2 Rad8 20. Rab1 h6 21. h3 $11 {0.16/9})
(17... Rad8 18. d3 Bg4 19. Be2 h6 20. Rab1 Bc8 21. a4 $11 {0.19/9}) (17... Bg4
18. Be2 Bxf3 19. Bxf3 Nc4 20. d4 Nxe3 21. fxe3 $11 {0.00/10}) (17... Rab8 18.
d3 Rbd8 19. Be2 h6 20. Ne4 Nxe4 21. dxe4 $11 {0.09/8}) (17... Rac8 18. d3 Rcd8
19. Be2 h6 20. Nd4 Bd7 21. a4 $11 {0.03/9}) (17... Nc4 18. Bxc4 Bxc4 19. d3 Be6
20. Nd4 Rad8 21. Nxe6 $11 {0.09/10}) 18. Nd4 Rad8 19. Nxe6 Qxe6 20. Be2 Nc4 21.
Ne4 $11 {-0.09/8}) (17. e4 Nfd7 (17... Bc4 18. Bxc4 Nxc4 19. d4 Bf4 20. Re1 b5
21. a4 $11 {0.19/8}) (17... Ng4) (17... Nbd7) (17... Bc7) (17... Bb8) (17...
Bf4) 18. Be2 Nc5 19. Re1 Nb3 20. Rab1 Bxa3 21. Bxa3 $11 {-0.22/10}) (17. Na4
Nbd7 (17... Bd5 18. Be2 Nxa4 19. Qxa4 Qe4 20. Qxe4 Nxe4 21. Bc4 $11 {0.00/10})
(17... Nxa4 18. Qxa4 Bd5 19. Be2 Qe4 20. Qxe4 Nxe4 21. Bc4 $11 {-0.03/9}) (
17... Bg4 18. Be2 Nfd5 19. Nxb6 axb6 20. a4 Ra5 21. Bd4 $11 {-0.06/8}) 18. Be2
Rad8 19. Nd4 Bg4 20. f3 Be6 21. Nxe6 $11 {-0.09/9}) (17. Rcb1 Rac8 (17... Bg4
18. Ng5 Rad8 19. h3 Nfd5 20. Nxf7 Kxf7 21. Nxd5 $14 {0.38/8}) (17... h6 18. Be2
Rad8 19. d3 Bg4 20. h3 Bxf3 21. Bxf3 $11 {0.06/9}) (17... Rab8 18. Nd4 Bc4 19.
Be2 Bxe2 20. Ncxe2 Rbd8 21. d3 $11 {0.03/9}) (17... Rad8 18. Be2 Nc4 19. Nd4
Be5 20. Nf3 Bc7 21. Nd4 $11 {0.00/8}) (17... Nc4 18. Bxc4 Bxc4 19. d3 Be6 20.
Ne2 Nd5 21. h3 $11 {0.06/9}) (17... Qd7 18. Be2 h6 19. d3 Qe7 20. e4 Bf4 21. a4
$14 {0.41/9}) 18. Be2 Nc4 19. Bxc4 Bxc4 20. d3 Be6 21. Nd4 $11 {-0.03/9}) 17...
Rad8 (17... Nc4 18. Bxc4 Bxc4 19. d3 Be6 20. Nd4 Rad8 21. Nxe6 $11 {0.03/10}) (
17... Bf5 18. d3 Ng4 19. e4 Be6 20. d4 Bf4 21. Re1 $11 {0.25/9}) (17... Bg4 18.
d3 Rad8 19. Na4 Nbd7 20. Rcb1 Nd5 21. h3 $11 {0.06/9}) (17... Rac8 18. d3 Rcd8
19. a4 Nbd7 20. a5 Nc5 21. Nd4 $11 {0.16/9}) (17... Nbd5 18. d3 Bg4 19. Nxd5
Nxd5 20. h3 Bd7 21. Rab1 $11 {0.09/9}) (17... h6 18. d3 Rad8 19. Ne4 Nxe4 20.
dxe4 Nd7 21. Rd1 $11 {0.19/9}) 18. d3 Bg4 19. h3 (19. Rab1 h6 20. a4 Nbd7 21.
h3 $11 {0.13/9}) 19... Bxf3 20. Bxf3 Qe5 21. g3 Qf5 22. Bg2 Be5 23. d4 Qxc2 24.
Rxc2 Bd6 25. a4 Nbd5 26. Nxd5 Nxd5 27. Bxd5 cxd5 28. Ba3 Bb8 29. a5 Re6 30. Rb1
b6 31. axb6 axb6 (31... Rxb6 $143 32. Rxb6 axb6 33. Rc6 $16) 32. Rc3 f5 33. h4
h6 34. Kf1 g5 35. Rcb3 {The isolani on b6 becomes a target} gxh4 36. Rxb6 Rxb6
37. Rxb6 hxg3 38. Be7 Re8 39. Bd6 1/2-1/2

[Event "corr NED H"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Veldhuis, Paul"]
[Result "1/2-1/2"]
[PlyCount "75"]
[EventDate "1993.??.??"]

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 Nf4 9. Ne5 $11 Nd5 (9... Ne6 10. Qh5 f6 11. a3 $15) 10. Qb3 (10. Nf3 Bg4
$17) 10... Bf8 (10... a5 11. e4 Nc6 12. Bb5 $11) 11. e4 Nc6 12. Bb5 Qg5 (12...
Bd6 13. Nxc6 Rxe4+ 14. Kd1 bxc6 15. Bxc6 $17) 13. O-O (13. Bxc6 bxc6 14. Qg3
Qxg3 15. hxg3 Rb8 $19) 13... Nxe5 (13... Rxe5 14. h4 Qxh4 15. Bxe5 Nxe5 16.
exd5 $19) 14. exd5 (14. Bxe8 Nf4 15. g3 $11) 14... Nd7 $15 15. d4 (15. Na3 Rd8
$15) 15... Bd6 (15... Qf4 16. Nc3 $17) 16. Ba3 a6 17. Bxd6 cxd6 {
Opening the c-file gets White a lot of play} 18. Bxd7 Bxd7 19. Na3 b5 20. Nc2
Rec8 (20... Rac8 21. Ne3 $17) 21. Ne3 Qf6 (21... Qf4 22. Qa3 $15) 22. Qa3 a5
23. Rac1 b4 (23... Re8 24. Rc7 b4 25. Qb2 $15) 24. Qd3 (24. Rxc8+ Bxc8 25. Qa4
Qd8 $11) 24... g6 (24... Qf4 25. Rfe1 $15) 25. Rxc8+ $11 Rxc8 26. Qa6 Qxd4 (
26... Kg7 27. Rd1 Qd8 28. Qxd6 $14) 27. Qb7 Rd8 28. Qc7 Qh4 (28... Qf6 29. Qxa5
h6 30. Qxb4 $16) 29. Qxa5 (29. Qxd6 $2 Bb5 30. Qb6 Bxf1 $19) 29... Rc8 30. Qb6
Qf4 31. g3 Qf6 (31... Qf3 32. Qxd6 Bh3 33. Qxb4 Bxf1 34. Nxf1 Qxd5 35. a3 $17)
32. Qxb4 Bh3 (32... Ra8 33. Qb3 $16) 33. Rb1 $16 Qf3 (33... h6 $142 $5 $16) 34.
Qxd6 $18 Rc2 {Do you see the mate threat?} 35. Rb8+ (35. Nxc2 {
Deflection from g2} Qg2#) 35... Kg7 36. Qf8+ Kf6 37. Rb6+ Kg5 38. Qd8+ 1/2-1/2

[Event "corr SOK-93-95"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Grehl, Siegfried"]
[Result "1-0"]
[PlyCount "87"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Nf4 9. Ne5 Ne6 10. Qb3 (10. Qh5 g6 (10... f6 11. Ng4 Kh8 12. Be2 (12. Bb5
c6 13. Bd3 Nf8 14. Be2 Ng6 15. O-O Qa5 16. Qxa5 $15 {-0.37/9}) (12. Bc4 Nf4 13.
Nh6 Nxh5 14. Nf7+ Kg8 15. Nxd8+ $11 {0.00/8} Kf8 16. a3 $11 {-0.25/9}) 12...
Qe7 13. O-O Nf4 14. exf4 Qxe2 15. Nxf6 Qxh5 16. Nxh5 $14 {0.31/9}) 11. Qf3 Qe7
(11... Ng5 12. Qf4 Bd6 13. h4 Bxe5 14. Bxe5 Ne6 15. Qf6 Qxf6 16. Bxf6 $11 {
0.22/8}) 12. Nc3 Ng5 13. Qf4 c6 14. Ng4 Nd7 15. Qd4 $11 {0.00/8} f6 16. Bc4+
$11 {-0.09/8}) (10. Bc4 f6 (10... Bd6 11. Qh5 (11. O-O Nd7 (11... Bxe5 12. Bxe5
Nd7 13. Bg3 c5 14. Qc2 a6 15. a4 b6 16. Nc3 $11 {0.25/9}) (11... f6 12. Nf3 a6
13. d4 b5 14. Bd3 Bb7 15. a4 b4 16. Qc2 $14 {0.31/9}) 12. d4 Qf6 13. f4 Nb6 14.
Bd3 Qh6 (14... Qh4 15. Nc3 f6 16. Nf3 $11 {0.25/9}) 15. Qf3 $11 {0.16/9} c5 16.
d5 $11 {0.13/8}) (11. d4 Qg5 (11... Nd7 12. O-O Qf6 13. f4 Nb6 14. Bd3 Qh6 15.
Qf3 c5 16. d5 $11 {0.22/8}) (11... Bxe5 12. dxe5 Nc6 13. O-O (13. Qh5 Nb4 14.
Qe2 Nf8 15. O-O $11 {0.00/9} Be6 16. Na3 $11 {-0.06/8}) 13... Qh4 14. Qc2 Rd8
15. Rc1 Rb8 16. a3 $11 {0.06/9}) 12. Qf3 Bxe5 13. dxe5 Nc6 14. Qg3 Qxg3 15.
hxg3 Nc5 16. Nd2 $17 {-0.75/9}) 11... Bxe5 12. Bxe5 (12. Qxe5 Nd7 13. Qg3 Ndc5
14. O-O c6 15. f4 $11 {0.03/8} Na4 16. Be5 $11 {-0.03/10}) 12... Nd7 13. f4 c6
14. O-O Nxe5 15. fxe5 Rf8 16. d4 $14 {0.38/9}) (10... Nd7 11. Qh5 (11. O-O Bd6
(11... Nb6 12. Qh5 (12. Bb3 f6 13. Nc4 Nd5 14. Qh5 c6 (14... g6 15. Qh4 Be7 16.
Nc3 $11 {0.22/8}) 15. Nc3 $11 {0.03/8} g6 16. Qh4 $11 {0.19/8}) 12... f6 13.
Bd3 g6 14. Bxg6 hxg6 15. Qxg6+ Ng7 16. Nf7 $16 {1.22/10}) 12. d4 Qf6 13. f4 Nb6
14. Bd3 Qh6 15. Qf3 f6 16. Nc4 $11 {0.22/9}) 11... Nxe5 12. Bxe5 (12. Qxe5 Bd6
13. Qc3 Qg5 14. O-O Nc5 15. f4 Qg6 16. f5 $15 {-0.56/8}) 12... c6 13. O-O b5
14. Bb3 Qg5 15. Qxg5 $11 {0.25/9} Nxg5 16. d4 $11 {0.25/9}) (10... Qe7 11. Qh5
(11. O-O Bd6 (11... Nd7 12. d3 (12. Qh5 Nb6 (12... Bd6 13. f4 (13. d4 a6 (13...
Bxe5 14. dxe5 Nd8 15. Rd1 a5 16. Bd3 $14 {0.38/8}) 14. Rc1 Nxe5 (14... Nf6 15.
Qh4 $11 {0.09/9} Nd7 16. Qxe7 $14 {0.28/10}) 15. dxe5 Bb4 16. a3 $11 {0.25/9})
13... Nb6 14. Bb3 c6 15. f5 Nd8 16. Ng4 $16 {1.28/8}) 13. Bb3 Bd6 14. Rc1 a5
15. d4 a4 16. Bc2 $11 {0.00/9}) 12... Bd6 13. f4 Nb6 14. Bb3 Rd8 15. Qc2 a5 16.
Nc3 $11 {0.25/8}) 12. Qh5 Nd7 13. d4 a6 14. Rc1 Nf6 15. Qd1 Rb8 16. Nd2 $11 {
0.16/9}) (11. Qc2 Bd6 12. O-O Nd7 13. d4 Bxe5 14. dxe5 Nec5 15. f4 Nb6 16. Ba3
$11 {0.19/10}) 11... Nd7 (11... Bd6 12. O-O Nd7 13. d4 a6 14. Rc1 Nf6 15. Qh4
Nd7 16. Qxe7 $11 {0.25/9}) 12. O-O c6 (12... Bd6 13. f4 (13. d4 c6 (13... Nxe5
14. dxe5 Bc5 15. Nd2 Bd7 16. Rfd1 $11 {0.19/8}) 14. Rd1 Nf6 (14... Ng5 15. Nxd7
$11 {0.16/9} Bxd7 16. Nc3 $11 {0.22/9}) 15. Qe2 Ng5 16. f4 $11 {0.16/9}) 13...
Nb6 14. Bb3 c6 15. f5 Nd8 16. Ng4 $16 {1.28/8}) 13. Rc1 Nb6 14. Bb3 Bd6 15. d4
Nd7 16. Nxd7 $11 {0.19/8}) 11. Nd3 Bd6 12. f4 (12. Nc3 Nd7 13. Qh5 Nb6 14. Bb3
a5 15. Ne4 a4 16. Nxd6 $11 {0.06/9}) 12... Kh8 13. O-O Nd7 14. Qh5 Nb6 15. Bb3
$11 {0.00/9} Bd7 16. a4 $11 {0.09/8}) (10. Qc2 Nd7 11. Bd3 (11. Nxd7 Bxd7 (
11... Qxd7 12. Bd3 Nf8 13. O-O c6 14. a3 Bd6 15. Nc3 Rd8 16. Be2 $11 {0.09/10})
12. Bd3 Qh4 13. Qc4 Qxc4 14. Bxc4 Rad8 15. a3 $15 {-0.37/9} Ba5 16. Bc3 $15 {
-0.41/9}) 11... Nxe5 (11... Qh4 12. O-O (12. Qc4 Qxc4 13. Bxc4 c6 14. a3 Bd6
15. Nxd7 Bxd7 16. Nc3 $11 {-0.19/10}) (12. Nf3 Qh5 13. O-O Bd6 14. Re1 h6 15.
Be2 Ng5 16. Ne5 $11 {-0.19/9}) (12. g3 Qh5 13. Be2 Qg5 14. f4 Qe7 15. O-O a5
16. a3 $11 {-0.06/9}) 12... c6 13. Nf3 Qh5 14. Nc3 Nf6 15. Ne2 Be7 16. Ng3 $11
{0.22/10}) 12. Bxe5 Nd4 13. Bxd4 Qxd4 14. O-O Qxa1 15. Nc3 Bxc3 16. dxc3 $11 {
-0.03/9}) 10... Bd6 11. Nf3 (11. d4 Bxe5 12. dxe5 Nd7 13. Nd2 Nec5 14. Qc2 b6
15. Nb3 $15 {-0.31/9}) (11. Bc4 Qg5 12. f4 Qh4+ 13. g3 Qe7 14. Nc3 Bxe5 15.
fxe5 $15 {-0.28/8}) (11. Nc4 Bf8 12. Ne5 Nd7 13. Bc4 Nxe5 14. Bxe5 Nc5 15. Qc3
$15 {-0.47/9}) (11. Be2 Bxe5 12. Bxe5 Nc6 13. Bb2 Qg5 14. Rg1 Qe7 15. Nc3 $15 {
-0.37/9}) (11. Qc3 Nd7 12. Nc4 Be7 13. Qc2 Bf6 14. Bd3 Nd4 15. Bxd4 $11 {
-0.19/9}) 11... Nc6 12. Be2 (12. Bb5 Bd7 13. O-O Na5 14. Qa4 c6 15. Bd3 $15 {
-0.31/10}) 12... Ng5 (12... a5 13. O-O a4 14. Qc3 Ra5 15. Bc4 $11 {-0.22/9})
13. d4 (13. O-O Rb8 $15 14. Qc3 Nxf3+ 15. Bxf3 $11 {-0.12/9}) 13... Rb8 (13...
Nxf3+ 14. gxf3 (14. Bxf3 Bb4+ 15. Kd1 $15) 14... Qg5 15. h4 $15 {-0.69/7}) 14.
Nfd2 $15 b6 (14... Ne6 $5 $15 15. Nc3 $15 {-0.34/8}) (14... Bf5 15. Nc3 $15 {
-0.34/8}) 15. d5 $11 Na5 16. Qc2 f5 17. O-O f4 18. Bh5 Nh3+ (18... Re7 $142 $5
19. e4 c6 $11) 19. Kh1 $16 Nxf2+ 20. Rxf2 fxe3 (20... Qh4 21. Bxe8 Qxf2 22. Na3
fxe3 23. Qc3 $16) 21. Rf7 Re7 22. Rxe7 Qxe7 23. Nf1 Qg5 24. Qe2 Ba6 25. Bf7+ $1
Kxf7 26. Qxa6 Kg8 27. Nc3 (27. Qxa7 $2 Re8 28. Qa6 e2 $19) 27... Qe5 (27... Rf8
$5 28. Ne4 Qxd5 29. Nxd6 Qxd6 $16) 28. Nd1 $16 (28. Qxa7 Rf8 29. Ng3 Nc4 $19)
28... Qf4 (28... Qxd5 $142 $5 29. Ndxe3 Qe4 $16) 29. Ndxe3 $18 Re8 30. Qe2 (30.
Rd1 Bc5 31. Bc1 Qa4 $18) 30... Bc5 31. Re1 Nc4 32. Bc1 (32. Qxc4 $2 Qxc4 33.
Nxc4 Rxe1 $19) 32... a5 33. Qf3 (33. Qd1 Rd8 $18) 33... Qe5 (33... Qxf3 34.
gxf3 b5 $18) 34. Nc2 (34. Nxc4 $6 Qxe1 35. Bd2 Qb1 $15) 34... Qxe1 (34... Rf8
35. Qd3 Nb2 36. Bxb2 (36. Rxe5 $4 Nxd3 37. Ng3 Nxe5 $19 (37... Nxc1 $6 38. a4
$19)) 36... Qxb2 37. Qc4 $18) 35. Nxe1 Rxe1 36. Qf4 (36. Bf4 $142 $18) 36...
Ne5 $2 (36... b5 $142 $11) 37. d6 $1 $18 Bxd6 (37... Bxd6 38. Bd2) (37... cxd6
38. Bd2) 38. Bd2 Rd1 39. g3 h6 (39... Nf7 40. Qc4 $18) 40. Kg1 (40. Kg2 $142
Nf7 41. Qe4 $18) 40... Kh8 $2 (40... Rb1 $18) 41. Bc3 Rd5 42. Ne3 Rc5 43. Bd4
Nc6 (43... Kh7 44. Bxc5 Ng6 $18) 44. Qxh6+ (44. Qxh6+ Kg8 45. Qxg7#) 1-0

[Event "corr ICCF"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hasler, Ulrich"]
[Result "1-0"]
[PlyCount "49"]
[EventDate "1993.??.??"]

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 Nf4 9. Ne5 $11 Nc6 $4 (9... Ne6 $142 $5 $11) 10. exf4 $16 f6 11. Bb5 Bd7
$2 (11... Bd6 $142 12. d4 fxe5 13. fxe5 a6 14. Bxc6 bxc6 15. Qb3+ Be6 $16) 12.
Qb3+ $18 Kh8 (12... Be6 13. Qa4 Rb8 14. a3 $14 (14. Nxc6 $143 bxc6 15. Qxb4
Rxb5 $17) (14. Bxc6 $6 bxc6 15. O-O fxe5 $14)) 13. Bxc6 Bxc6 14. Qxb4 fxe5 15.
O-O (15. fxe5 Qg5 16. Qc3 Qxg2 $11) 15... exf4 (15... Qh4 16. Qc3 Qxf4 $18) 16.
Qxf4 Qd7 17. Nc3 Rad8 (17... Rf8 18. Qg5 $18) 18. Rae1 b6 (18... Kg8 19. Rxe8+
Rxe8 20. f3 $18) 19. Rxe8+ Rxe8 20. d4 Qc8 (20... Kg8 21. Rd1 $18) 21. d5 Bb7
22. Nb5 Bxd5 (22... Re2 23. Be5 Kg8 24. Nc3 $18 (24. Nxa7 $143 Qe8 25. Bxc7
Bxd5 $18)) 23. Nxc7 (23. Qxc7 $143 Qxc7 24. Nxc7 Re2 25. Nxd5 Rxb2 $18) (23.
Nxa7 $6 Qd7 24. Qb4 Bxa2 $18) 23... Rd8 (23... Re4 24. Bxg7+ $1 Kxg7 25. Qg5+
Kh8 26. Nxd5 Qe6 $18) 24. Qg3 Rd7 (24... Rg8 25. Nxd5 Qb7 26. Rd1 $18) 25. Nxd5
(25. Nxd5 Qf8 26. Re1 $18) 1-0

[Event "corr SOK-95-110"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Mothes"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Re8
6. Bb2 d5 7. cxd5 Nxd5 8. Nf3 Nf4 9. Ne5 $1 Nc6 10. exf4 f6 11. Bb5 Qd5 $146 (
11... fxe5 12. Bxc6 bxc6 13. fxe5 (13. Qb3+ Qd5 $1) 13... Ba6 $1) (11... Rb8
12. a3 Ba5 13. Qa4 $14) 12. Bxc6 (12. Qb3 Qxb3 13. axb3 Bd7 14. Bxc6 Bxc6 $11)
12... bxc6 $14 13. O-O fxe5 14. fxe5 (14. Bxe5 Be6 $16) 14... Be6 15. Qc2 Rab8
16. Rc1 c5 (16... Red8 17. Qxc6 Bxd2 18. Nxd2 Rxb2 19. Nf3 $14) 17. Re1 (17. a3
Ba5 $14) 17... Red8 18. Bc3 Kh8 (18... c4 19. Bxb4 Rxb4 20. Qc3 $14) 19. a3 $16
Qc4 $2 (19... Bxc3 $142 $5 20. dxc3 c6 $16) 20. axb4 $18 cxb4 21. Rxa7 bxc3 (
21... Qc5 22. Ra6 Qc4 23. Qa4 bxc3 24. Nxc3 Qxa4 25. Nxa4 $18) 22. Qxc3 (22.
dxc3 $143 Bf5 23. Qxf5 Qe2 $16) 22... Qe4 23. Qc1 (23. Rxe4 $4 Rxb1+ 24. Qc1
Rxc1+ 25. Re1 Rxe1#) 23... Qg6 24. Ra1 (24. Rxc7 $5 Rd4 $18) 24... Bh3 (24...
Bd5 25. g3 $18) 25. g3 Qd3 (25... Qf7 26. Qc6 $18) 26. Qc6 (26. Qxc7 $4 Qf3 27.
Qxd8+ Rxd8 28. d4 Qg2#) 26... Rd5 (26... Rf8 27. Nc3 Qxd2 $16) 27. Nc3 (27.
Qxc7 $6 Rdb5 28. Qf7 Rxb1 29. Raxb1 Qxb1 30. Qf8+ Rxf8 31. Rxb1 Rd8 $14) 27...
Rdd8 28. e6 (28. Qxc7 $4 Qf3 29. Qc6 Qxc6 $19) 28... Qxd2 $4 (28... Re8 $18)
29. Rad1 (29. Qxc7 $6 Rbc8 30. Qe5 Qxc3 (30... Rxc3 $2 31. e7 Re8 32. Rad1 $18)
31. Qxc3 Rxc3 $15) 29... Qg5 30. e7 (30. e7 Rg8 31. e8=Q Rbxe8 32. Rxe8 $18)
1-0

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Heyn, Wolfgang"]
[Result "1-0"]
[PlyCount "87"]
[EventDate "1998.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Re8 6. Bb2 d5 7. cxd5 Nxd5 8.
Nf3 c5 9. Be2 b6 10. O-O Bb7 (10... Nc6 11. a3 (11. Qc2) (11. d4) 11... Ba5 12.
d4 (12. Qc2 Qe7 13. Bc4 Rd8 14. d4 Bg4 $11 {-0.09/8}) 12... Bf5 13. Bc4 Be4 14.
dxc5 bxc5 $14 {0.41/8}) 11. Bc4 (11. a3 Ba5 12. d4 (12. Bc4 a6 13. Qc2 b5 14.
Ba2 Nd7 $15 {-0.47/9}) (12. Nc3 Nxc3 13. dxc3 Qf6 14. Qb3 Nc6 $11 {-0.09/10}) (
12. Qa4 Nd7 13. Qg4 N7f6 14. Qg3 a6 $11 {-0.25/8}) 12... Nd7 13. Bc4 Rc8 14.
Qb3 N7f6 $11 {0.09/8}) (11. d4 Nd7 12. a3 (12. dxc5 Bxc5 13. Nc3 Nxc3 14. Bxc3
Rc8 $11 {-0.13/9}) 12... Ba5 13. Bc4 Rb8 14. Qb3 N7f6 $11 {-0.06/8}) (11. Nc3
a6 (11... Qd6) (11... Nd7) 12. a3 Ba5 13. Nxd5 Bxd5 14. Rc1 Nc6 $11 {-0.03/9})
(11. Qb3 Qd6 (11... Nf4) 12. d4 (12. Bc4 Nd7 13. a3 Ba5 14. d3 Re7 $11 {0.00/9}
) (12. Nc3 Nd7 13. Rad1 N7f6 14. a3 Ba5 $11 {-0.06/8}) (12. a3 Ba5 13. Bc4 Nd7
14. d3 Re7 $11 {0.00/9}) 12... Nd7 13. a3 Ba5 14. Nbd2 Bxd2 $11 {0.03/7}) 11...
Nd7 (11... Ba6 12. d3 $11 b5 13. Bxd5 Qxd5 14. a3 Ba5 $11 {-0.09/10}) (11... a6
12. Qc2 (12. a3 Ba5 13. Qb3 b5 14. Nc3 bxc4 $15 {-0.41/9}) 12... Nd7 13. a3 Ba5
14. Qf5 g6 $11 {-0.22/8}) (11... Na6 12. a3 (12. Be5 Ndc7 13. d4 cxd4 14. Bxd4
Ne6 $15 {-0.34/8}) 12... Ba5 13. d4 Qe7 14. Ne5 f6 $11 {0.22/7}) 12. Qb3 {
White launches an attack} (12. a3 Ba5 13. d4 Rb8 14. Nbd2 Rc8 $11 {0.12/7}) (
12. d3 Qe7 13. a3 Ba5 14. Nbd2 N7f6 $11 {0.12/8}) (12. Qc2 a6 13. a3 Ba5 14.
Qb3 N7f6 $11 {-0.22/9}) 12... N7f6 13. d3 (13. d4 Qe7 14. a3 Ba5 $11 {0.09/8})
13... Qd7 (13... Qe7 $142 $5 $11 14. a3 Ba5 $11 {0.12/9}) 14. e4 $16 Nf4 (14...
b5 $16 {1.03/8} 15. exd5 bxc4 16. dxc4 Ne4 17. Ne5 Qc7 18. Nd3 $16 {0.88/9})
15. Ne5 (15. a3 b5 16. axb4 (16. Ne5 bxc4 17. Qxc4 Qc7 18. axb4 Rxe5 19. Bxe5
Qxe5 $19) 16... bxc4 17. Qxc4 Qxd3 18. Qxd3 $15 {-0.56/9}) 15... Rxe5 (15...
Ne2+ 16. Kh1 Rxe5 17. Bxe5 b5 18. Bxf6 $11 {0.16/9}) 16. Bxe5 Ne2+ 17. Kh1 b5
18. Bxb5 Qxb5 19. Na3 (19. a3 Ng4 20. Nc3 (20. Bxg7 Bxe4 21. axb4 Kxg7 22. f3
Nd4 23. Qa2 $17 {-1.25/9}) 20... c4 21. Nxb5 cxb3 22. Bb2 Ba5 23. f3 $17 {
-0.81/9}) 19... Qd7 20. Nc4 Ng4 (20... Ba6 21. Bxf6 gxf6 22. a3 Bc3 23. Rad1
$15 {-0.37/10}) 21. a3 Bd2 22. f3 (22. f4 $5 Nxe5 23. Nxe5 $11) 22... Nxe5 $17
23. Nxe5 Nd4 (23... Qc7 $5 24. Qxf7+ Qxf7 25. Nxf7 Ba6 $17) 24. Nxd7 Nxb3 25.
Rab1 Rd8 26. Rxb3 Rxd7 27. Rfb1 Bc8 28. Rb8 Rd8 29. Ra8 Bf4 30. g3 Bd6 31. d4
Rf8 32. dxc5 (32. Rxa7 $143 cxd4 33. Ra4 Be6 $15) 32... Bxc5 33. Rbb8 Be6 34.
Rxf8+ Bxf8 35. Rxa7 f5 (35... g5 36. a4 $16) 36. exf5 (36. a4 fxe4 37. fxe4 Bb3
$16) 36... Bxf5 37. a4 g5 (37... Bd3 $5 $16) 38. Ra5 $18 Bd3 39. Rxg5+ Kf7 40.
Ra5 Ke6 41. Kg2 Bg7 42. Ra8 Bd4 43. a5 Bc4 44. a6 (44. a6 Bd5 45. Rd8 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Kogeler, Aart"]
[Result "1/2-1/2"]
[PlyCount "49"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7. cxd5 Nxd5
8. Nf3 Bf5 9. Be2 (9. Bb5 Rb8 $15) 9... Bd6 (9... Re8 10. O-O $15) 10. d4 (10.
Qb3 Ndb4 11. O-O Be6 $11) 10... Re8 (10... Ncb4 11. Na3 $15) 11. O-O $15 Qe7
12. Bb5 Bd7 13. Nc3 Nxc3 14. Bxc3 a6 15. Bd3 Bg4 16. Rb1 b5 17. h3 Bh5 18. Rc1
(18. d5 Nb4 19. Bxh7+ Kxh7 $11) 18... Rad8 19. Bd2 Nb4 20. Bxb4 Bxb4 21. Rc6
Rd6 22. Rxd6 Bxd6 23. Be2 c5 (23... Qf6 24. Qc2 $15) 24. dxc5 $11 Bxc5 25. Qd5
1/2-1/2

[Event "corr ICCF tt"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Rosenhahn, Eberhard"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "49"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 O-O 5. c4 Nc6 6. Bb2 d5 7. e3 Bg4
8. Qb3 Bxf3 (8... dxc4 9. Bxc4 Ne4 10. Bd5 $15) 9. gxf3 $15 a5 10. Rg1 dxc4 11.
Bxc4 a4 (11... Qd6 12. h3 $15) 12. Qc2 (12. Qd3 Bd6 13. Qf5 Ne8 $11) 12... Qd6
(12... a3 13. Bc3 $15) 13. Qf5 $11 Ne8 14. Qg5 Ra5 15. Qg2 g6 (15... h6 16. f4
Rc5 17. Bxg7 Rxc4 18. Bxh6+ Kh7 19. Bxf8 Qxf8 20. Kd1 $14) 16. a3 Rc5 17. Qf1 (
17. axb4 Rxc4 18. Rxa4 Nxb4 $19 (18... Rxb4 $143 19. Ra2 Rb3 20. Nc3 $19))
17... Ne5 $15 18. Bxe5 Qxe5 19. axb4 Qb2 $4 (19... Rxc4 $142 20. Qxc4 Qxa1 $15)
20. bxc5 $18 Qxa1 21. Ke2 Nf6 22. d4 Re8 23. Qd1 b5 24. cxb6 Qb2+ 25. Nd2 (25.
Nd2 Qxd4 26. Bb5 $18) 1-0

[Event "corr NED Hkl"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Raasveld, J."]
[Result "1-0"]
[PlyCount "55"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Be7 6. Nf3 d5 7. cxd5 Nxd5 8.
Bb2 (8. Nc3 Nxc3 9. dxc3 Nd7 $15) 8... c5 (8... Re8 9. Qc2 $15) 9. d4 Nc6 10.
Nbd2 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bf6 (12... Nb4 13. Bc4 $15) 13. Bxf6 Qxf6 14.
Bd3 (14. Ne4 Qe5 15. Qd4 Qxd4 16. exd4 Re8 $15) 14... Rd8 15. O-O Nb4 (15...
Be6 16. Qc2 $11) 16. Be4 Bf5 17. Qb1 (17. Qf3 Rxd2 18. Bxf5 Nc6 $11 (18... Rxa2
$143 19. Qxb7 Rd8 20. Rxa2 Nxa2 21. Bxh7+ Kxh7 22. Qb1+ Qg6 23. Qxa2 $16))
17... Bxe4 $15 (17... Rxd2 18. Bxf5 Rb2 19. Bxh7+ Kh8 20. Qf5 Qxf5 21. Bxf5
Nxa2 22. Rfd1 $11) 18. Nxe4 {White gets deadly initiative} Qe7 19. Ng3 Nc6 (
19... Nd3 20. Rd1 Qd7 21. e4 $11) 20. Nf5 Qc7 (20... Qd7 21. Rd1 Qxd1+ 22. Qxd1
Rxd1+ 23. Rxd1 $14) 21. Qb2 $14 {Threatening mate: Qxg7} f6 22. Rab1 b6 (22...
Rd7 23. Qb3+ Kh8 24. Rfd1 $11) 23. Qc2 (23. Rbc1 Qd7 $14) 23... Rac8 24. Rbc1
Qf7 25. Qe4 Re8 26. Rxc6 $4 (26. Qf4 $142 Ne5 27. Nd6 Rxc1 28. Nxf7 Rxf1+ 29.
Kxf1 Kxf7 30. Qe4 $18) 26... Rxe4 $15 27. Rxc8+ Re8 28. Rfc1 (28. Rfc1 Qe6 29.
Rxe8+ Qxe8 30. Rc8 $18) 1-0

[Event "NBC Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Etmans, Maarten D"]
[Result "0-1"]
[WhiteElo "2175"]
[BlackElo "2245"]
[PlyCount "63"]
[EventDate "2000.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Be7 6. Nf3 c5 7. Be2 Nc6 8.
Bb2 d5 9. cxd5 Nxd5 10. O-O Bf6 11. Nc3 Nxc3 12. Bxc3 Bxc3 13. dxc3 Qf6 14. Qd5
(14. Qb3 b6 $11) 14... b6 (14... Qxc3 15. Rfc1 Qb2 16. Bc4 $11) 15. Rfc1 Rd8
16. Qg5 (16. Qe4 Bb7 17. Qc2 Rd6 $15) 16... Qxg5 $15 17. Nxg5 h6 18. Nf3 Be6
19. a3 Bb3 (19... Rd6 20. Rd1 Rad8 21. Rxd6 Rxd6 22. h3 $11) 20. Rab1 (20. c4
Rd7 $15) 20... Na5 21. Kf1 Rd6 22. Ke1 (22. Re1 Rad8 $15) 22... Rad8 $15 23. c4
(23. Rb2 Bc4 $15) 23... Ba4 24. Rb2 Kf8 (24... Bc6 25. Rcc2 $15) 25. Rd2 Ke7
26. Rxd6 Rxd6 27. h4 a6 28. g3 Ke6 (28... Bc6 29. Nd2 $15) 29. Rb1 $11 Bc2 30.
Rb2 Bd3 (30... Bg6 $142 $11) 31. Rxb6 $4 (31. Bxd3 $142 Rxd3 32. Rxb6+ Ke7 33.
Rxa6 Nxc4 34. Ra7+ Kf6 35. Ra4 Nxa3 36. Ke2 $16) 31... Rxb6 $19 (31... Bxc4 $6
32. Rb8 $15) 32. Bxd3 0-1

[Event "corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hoogstrate, Johan"]
[Result "0-1"]
[PlyCount "86"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 Nf6 3. Bxe5 Nc6 4. Bb2 Bxb4 5. c4 d6 6. e3 b6 7. Nf3 Bf5 8. Bd3
$4 (8. a3 Bc5 $15) 8... Bg4 (8... Bxd3 $142 9. a3 Bc5 $19) 9. Be2 Qe7 10. O-O
O-O-O 11. d4 Kb8 12. a3 Ba5 13. d5 Ne5 $4 (13... Bxf3 $142 14. Bxf3 Ne5 $14)
14. Nxe5 $18 dxe5 15. Bxg4 h5 16. Be2 g5 17. Bc3 Bxc3 18. Nxc3 Nd7 (18... c6
19. Qb3 $18) 19. Bxh5 Rh6 20. Bg4 Rdh8 21. Bxd7 Qxd7 22. f3 (22. h3 f5 23. Qa4
Qxa4 24. Nxa4 g4 $18) 22... f5 $2 (22... Rxh2 23. c5 $18) 23. Qa4 (23. h3 Qd6
$18) 23... c6 $2 (23... Qxa4 $142 24. Nxa4 Rxh2 $18) 24. dxc6 Qd2 25. Qa6 (25.
c7+ $142 $5 Kb7 26. c8=Q+ Kxc8 $18) 25... Qxe3+ 26. Rf2 Rxc6 27. Nd5 Qd4 28.
Rb1 Rxh2 (28... Qxc4 29. Rb5 Rc5 30. Rxb6+ axb6 31. Qxb6+ Ka8 $18) 29. Qb5 $4 (
29. Ne7 Rc5 30. Kxh2 Qxf2 31. Rd1 (31. Nxf5 Rc7 32. Kh3 Rh7+ 33. Kg4 Qxg2+ 34.
Ng3 Rh4+ 35. Kf5 Qxf3+ 36. Ke6 Rh6+ (36... Qxg3 $6 37. Rxb6+ axb6 38. Qxb6+ Kc8
39. Qc6+ Kb8 40. Qb6+ Ka8 41. Qa6+ Kb8 42. Qb6+ $11) 37. Ke7 Qf6+ 38. Kd7 Rh7+
39. Ke8 Qe7#) 31... Qh4+ 32. Kg1 Qd4+ 33. Rxd4 exd4 34. Qa4 $18) 29... Qh4 $14
30. Kf1 Rh1+ (30... Qxc4+ $5 31. Qxc4 Rxc4 $14) 31. Ke2 $16 Rxb1 32. Qxb1 Qxc4+
33. Qd3 Qa2+ 34. Ke3 $4 (34. Qd2 Rc2 35. Kd1 Rxd2+ 36. Rxd2 Qxa3 37. Ke2 $19)
34... f4+ $19 35. Ke4 Qxf2 36. Ne7 (36. Kxe5 Rc1 $19) 36... Qe1+ 37. Kf5 Rc5
38. Qd8+ Kb7 39. Qd7+ Ka6 (39... Rc7 $5 40. Qd5+ Ka6 41. Nc6 Qb1+ 42. Kf6 $19)
40. Nc6 e4+ 41. Kf6 (41. Kg6 Kb5 42. Ne5+ Ka6 43. Nc6 Rxc6+ 44. Qxc6 $19) 41...
Qc3+ 42. Kf7 (42. Nd4 exf3 43. gxf3 Qxa3 44. Ne6 Qc3+ 45. Kg6 $19) 42... Rxc6
43. Qd5 (43. Qd8 exf3 44. gxf3 Qb3+ 45. Kg7 Qxa3 46. Qd5 Qe7+ 47. Qf7 Rg6+ 48.
Kxg6 Qxf7+ 49. Kxf7 $19) 43... e3 (43... e3 44. Qxc6 Qxc6 $19) (43... Qf6+ 44.
Ke8 Rc8+ 45. Kd7 Rd8+ 46. Kc7 Qe7+ 47. Kc6 Qb7#) 0-1

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hoogstrate, Johan"]
[Result "1-0"]
[PlyCount "43"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 Nf6 3. Bxe5 Nc6 4. Bb2 Bxb4 5. c4 Bc5 (5... a6 6. e3 d6 7. Nf3
Bg4 8. Be2 O-O 9. O-O Nd7 10. d4 f5 11. h3 Bh5 12. Qb3 Bf7 13. d5 Bc5 14. dxc6
Nb6 15. cxb7 Rb8 16. Bd4 Bxd4 17. exd4 Rxb7 18. Qc2 Rb8 19. Nbd2 c5 20. d5 {
carocan (1700)-12radek/kurnik 2011/1-0 (33)}) 6. a3 $146 (6. e3 d5 7. cxd5 Qxd5
8. Nf3 Bg4 9. Nc3 Qd7 10. Be2 O-O 11. d4 Be7 12. h3 Bh5 13. O-O Rad8 14. Qb3
Qc8 15. Rac1 Nb8 16. Nb5 Nc6 17. Rfd1 a6 18. Na3 Na5 19. Qa4 b6 20. Nc4 Nxc4 {
Fredek (2090)-Guest151022/Freundschaftspartie, 5m + 0s 2005/1-0 (40)}) 6... O-O
7. e3 a6 (7... d5 8. d4 Be7 9. Nf3 $15) 8. Nf3 (8. d4 Be7 $11) 8... d6 (8... d5
9. d4 Be7 10. cxd5 Nxd5 11. Qc2 $11) 9. Be2 Rb8 10. d4 Bb6 11. Nbd2 Ba5 12. Qc2
Ne7 13. d5 Ng6 14. O-O Bxd2 15. Nxd2 b5 (15... Re8 16. Rfb1 $14) 16. Rab1 Bb7 (
16... Ne5 17. Rfc1 $16) 17. cxb5 axb5 (17... Bxd5 $142 $5 18. bxa6 Nd7 $16) 18.
Bxf6 $18 Qxf6 19. Rxb5 Ne7 $2 (19... Ba8 20. Rxb8 Rxb8 21. Qxc7 Rb2 22. Qc8+
Nf8 23. Qxa8 Rxd2 $18) 20. Rfb1 Ba6 (20... Nxd5 21. Rxb7 Rxb7 22. Rxb7 c5 $18)
21. Rxb8 Bxe2 (21... Bc8 22. Qxc7 g5 $18) 22. Rxf8+ (22. Rxf8+ Kxf8 23. Rb8+
Nc8 24. Rxc8+ Qd8 25. Rxd8+ Ke7 26. Qxc7+ Kf6 27. Rxd6+ Kg5 28. Qe7+ Kh5 29.
Qxf7+ Kh4 30. Qf4+ Bg4 31. Nf3+ Kh5 32. Qg5#) 1-0

[Event "corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Nierop, Erjen"]
[Result "0-1"]
[PlyCount "60"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 $15 O-O 6. e3 d5 7. cxd5 Nxd5
8. Nf3 Be6 9. Be2 (9. Bb5 Qd6 $17) 9... f5 (9... Re8 10. O-O $17) 10. O-O Qe8
11. Ng5 Kh8 (11... Rd8 12. Nxe6 Qxe6 13. Qb3 $11) 12. Bh5 (12. Nxe6 Qxe6 13.
Qb3 Na5 $11) 12... Qe7 (12... Qd7 13. Nxe6 Qxe6 14. Bf3 $11) 13. Nxe6 Qxe6 14.
f4 (14. Bf3 Rfd8 $11) 14... Rad8 $15 15. Rf3 (15. Qc2 Qe4 16. Rc1 Qe6 $11)
15... Nf6 16. Rh3 Ne4 {Increases the pressure on the backward pawn} 17. Qb3 (
17. d3 $142 $5 $15) 17... Qxb3 $19 18. axb3 Kg8 (18... Bxd2 19. Bg6 Bxe3+ 20.
Kf1 Bd4 21. Bxd4 Rxd4 22. Bxh7 Rd1+ 23. Ke2 Nd4+ 24. Kxd1 Nf2+ 25. Kd2 Nxh3 26.
Rxa7 Nxf4 $17) 19. Ba3 (19. d4 $142 $5 $15) 19... Bxa3 $19 20. Rxa3 Nxd2 21.
Nxd2 Rxd2 22. Kf1 (22. Bf3 Rf6 $17) 22... a6 (22... Rc2 23. Bf3 Rd8 24. Ke1 $17
) 23. Bf3 Rd6 24. Ra1 (24. Ra4 Rff6 $17) 24... Re8 25. Be2 (25. Rc1 Ree6 $17)
25... Nb4 26. Bc4+ Kh8 27. Ke2 b5 (27... Red8 28. g3 $17) 28. Bf7 Re7 29. Bh5
g6 30. Bf3 Nc2 (30... Nc2 31. Rc1 Nd4+ 32. Ke1 Nxb3 $19) 0-1

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Zbroja, Tadeusz"]
[Result "0-1"]
[PlyCount "76"]
[EventDate "2001.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Re8 7. Bb2 Nxd5
8. Nf3 Bf5 9. Be2 Nc6 10. O-O a6 11. a3 Be7 (11... Bd6 12. Nc3 Nxc3 13. Bxc3
$11) 12. d3 Qd6 13. Qc2 (13. Nbd2 Qg6 $15) 13... Qg6 14. Nbd2 Rad8 15. Ne4 Nb6
(15... Bh3 16. Ng3 Be6 17. Ne4 $11) 16. Rfc1 Rd5 (16... Rd7 17. Nd4 Nxd4 18.
Bxd4 Bxe4 19. dxe4 $11) 17. Nfd2 (17. Nd4 Bxe4 18. dxe4 Rg5 $11) 17... h6 (
17... Bh3 18. Ng3 Be6 19. Nde4 $11) 18. Bf3 (18. Rab1 Bh3 19. Ng3 Rc5 $11)
18... Red8 19. d4 Ne5 (19... Re8 20. Qd1 Rb5 21. Rab1 $11) 20. dxe5 $14 Rxd2
21. Qxd2 (21. Nxd2 {Exploits the pin} Bxc2) 21... Rxd2 22. Nxd2 c6 23. a4 Nd7
24. Nc4 Nc5 (24... Bd3 25. Rd1 $11) 25. Ba3 Nb3 (25... Bc2 26. Na5 $16) 26.
Bxe7 $16 Nxa1 27. Rxa1 Qe6 28. Nd6 Qxe5 {Threatening mate... how?} 29. Rc1 Bg6
30. Nxb7 (30. Nc8 Qc7 31. Rd1 Bf5 $17) 30... Qb2 {Threatening mate: Qxc1} 31.
Rf1 Qxb7 32. Bc5 Bd3 (32... Qb3 33. a5 $17) 33. Ra1 (33. Re1 Qb3 $19) 33... Qb2
$19 {Threatening mate: Qxa1} 34. Bd4 Qc2 35. Bd1 (35. Be5 Be4 $19) 35... Qc4
36. Bf3 c5 37. Be5 (37. Bb2 Qc2 38. Be5 Be4 $19) 37... Qb4 (37... Be4 38. Bxe4
Qxe4 39. Bf4 $19) 38. Rc1 (38. a5 c4 39. Rc1 Qxa5 $19) 38... c4 (38... c4 39.
h3 f6 40. Bd5+ Kh7 $19) 0-1

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Rudbeck, Joergen"]
[Result "0-1"]
[PlyCount "86"]
[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. Be2 a6 10. O-O Bf5 11. a3 Bd6 12. Re1 Qe7 13. d4 Nxe3 (13... Rad8
$142 $15) 14. fxe3 $14 Qxe3+ {Black gets in control.} 15. Kh1 Qh6 16. Nbd2 Bg3
17. Rf1 Rad8 18. Nb3 Bg4 19. Bc1 Qh5 20. h3 Bxh3 21. gxh3 Qxh3+ 22. Kg1 Re4 {
Threatening mate: Rh4} 23. Rf2 Rg4 {Do you see the mate threat?} 24. Qf1 Bxf2+
25. Kxf2 Qg3+ 26. Ke3 Rgxd4 $1 27. Nbxd4 Nxd4 28. Bd1 (28. Bd3 $142 $5 $19)
28... Nxf3 29. Bxf3 Qe5+ 30. Kf2 Qxa1 31. Bxb7 Rd6 (31... Qd4+ 32. Kg2 $19) 32.
Qc4 c5 33. Bf3 (33. Qc2 Qf6+ 34. Ke2 Re6+ 35. Be3 Qe7 $19) 33... Qd4+ 34. Qxd4
Rxd4 (34... cxd4 35. Bf4 Rd7 36. Bc6 $19) 35. Ke2 (35. Be3 Rc4 $19) 35... c4
36. Bb7 Rd6 37. Bd2 (37. Bf4 Re6+ 38. Kd2 Rb6 $19) 37... h5 38. Bb4 Rb6 39. Bd5
a5 40. Bd2 Rb3 41. a4 (41. Bxc4 Rxa3 42. Bf4 Ra4 $19) 41... Ra3 42. Bc6 c3 43.
Bf4 (43. Bc1 Rb3 $19) 43... Rb3 (43... Rb3 44. Be5 g5 $19) (43... c2 44. Bc1
Rc3 45. Be4 $19) 0-1

[Event "corr NBC KE02"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hage, Henk"]
[Result "0-1"]
[PlyCount "80"]
[EventDate "1999.??.??"]

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. Be2 Nc6 10. O-O a6 11. a3 Bd6 12. Re1 Qe7 13. d3 Ne5 (13... Rad8 14.
Qb3 Na5 15. Qc2 $11) 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. d4 Qe7 17. Bc4 Rad8 18.
Bxd5 Rxd5 19. Nc3 Rdd8 20. Qf3 Bc8 21. Nd5 Qd6 22. Nf4 c5 23. dxc5 Qxc5 24.
Red1 (24. e4 b5 $11) 24... Rxd1+ 25. Qxd1 b5 26. Qd3 Bf5 27. Qd5 Rc8 28. h4
Qxd5 29. Nxd5 Kf8 30. Rd1 Be6 31. Nf4 Ke7 32. e4 a5 33. Nxe6 Kxe6 34. Rd5 Rb8 {
Black plans b4} 35. f4 b4 36. axb4 axb4 37. Rd2 b3 38. Rb2 f5 39. Kf2 $2 (39.
e5 $142 $17) 39... fxe4 $19 40. g4 Kd5 (40... Kd5 41. Rb1 Kd4 $19) 0-1

[Event "corr NED H384"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Elich, CF."]
[Result "0-1"]
[PlyCount "128"]
[EventDate "1993.??.??"]

1. b4 Nf6 2. Bb2 e5 3. Bxe5 Bxb4 4. c4 O-O 5. e3 Nc6 6. Bb2 Re8 7. Nf3 d5 8.
cxd5 Nxd5 9. Be2 Bf5 10. O-O Qd6 11. d4 (11. a3 Ba5 $15) 11... Qe6 12. a3 Bd6
13. Bb5 (13. Qb3 Rad8 $15) 13... Qg6 (13... Rab8 14. Nc3 $15) 14. Bxc6 (14. Nc3
Nxc3 15. Bxc3 Be4 $15) 14... bxc6 15. Nh4 Qh6 16. g3 (16. Nf3 Rab8 17. Qc1 Rb7
$15) 16... Be4 17. Nd2 Rab8 (17... Bd3 $5 18. Re1 Rab8 $15) 18. Nxe4 $11 Rxe4
19. Bc1 Rxh4 (19... Qg5 $5 20. Nf3 Qf6 $11) 20. gxh4 $14 Qxh4 {
The mate threat is Qxh2} 21. f4 Qf6 22. Kh1 (22. Qd3 $11) 22... Bc5 (22... c5
$142 $5 $11) 23. Qd3 $16 Re8 (23... Bd6 24. e4 Nxf4 25. Qf3 $16) 24. Bd2 Bd6
25. Rae1 Qh6 (25... Rd8 26. e4 Nxf4 27. Qa6 $16) 26. Rf3 (26. e4 Bxf4 27. Bxf4
Nxf4 $16) 26... Rb8 (26... Qh4 27. Rg1 $16) 27. Ref1 (27. e4 Nxf4 28. Qf1 Rb2
$16) 27... Rb2 28. e4 Nb6 29. R1f2 (29. R3f2 Qh5 $16) 29... Ra2 (29... Qh5 30.
f5 $16) 30. Bc1 Rxf2 31. Rxf2 Qe6 (31... Qh4 32. Qc2 $16) 32. f5 $18 Qd7 33.
Rd2 Be7 34. Qc3 Bf8 (34... c5 35. dxc5 Qb5 36. Kg2 $16) 35. f6 g6 36. Qf3 Nc4
37. Rd3 Qe6 (37... a6 38. Qe2 $18) 38. Rc3 Nb6 39. Rc2 c5 40. d5 Qd6 41. Be3
Nd7 42. Rf2 c6 43. Bf4 Qxf6 44. e5 Qf5 (44... Nxe5 45. Bxe5 Qxf3+ 46. Rxf3 cxd5
$16) 45. dxc6 $18 Nb6 46. c7 (46. Bg5 Qe6 $18) 46... Qd7 $16 47. Qb7 c4 (47...
Nc8 48. Rd2 Qh3 49. Kg1 $16) 48. Qxa7 Bc5 49. Qb8+ Nc8 50. Rd2 (50. Rf3 Qg4 51.
Rg3 Qd1+ 52. Kg2 Qe2+ 53. Kh3 Qh5+ 54. Kg2 Qe2+ 55. Kh3 Qh5+ 56. Kg2 Qe2+ $11)
50... Qc6+ $14 51. Rg2 Qd7 {Threatening mate: Qd1. Black gets strong initiative
} 52. h4 Bb6 53. h5 (53. Qb7 Qh3+ 54. Bh2 Qd7 $16) 53... c3 (53... Bxc7 54. Qa8
$11) 54. Qb7 c2 {Threatening mate: Qh3} 55. Kh2 (55. Rxc2 Qh3+ {
A beautiful mate combination}) 55... Qf5 56. Rg3 Qxh5+ 57. Kg2 Qe2+ 58. Kh3
Qf1+ 59. Rg2 (59. Kh2 Bg1+ $5 60. Rxg1 Qxf4+ 61. Kh3 Qe3+ 62. Kg2 Qxg1+ 63.
Kxg1 c1=Q+ 64. Kg2 Qg5+ 65. Kh1 Qh4+ 66. Kg2 Qg4+ 67. Kf2 Qf5+ 68. Kg2 $19)
59... Kg7 $19 60. Qc6 (60. Bg5 Qf5+ 61. Rg4 $19) 60... Qxf4 61. Qf6+ Qxf6 62.
exf6+ Kxf6 63. Rxc2 Ke7 64. Kg4 (64. Rc6 f5 $19) 64... f6 (64... f6 65. Rc6 f5+
66. Kf3 Kd7 $19) (64... h5+ 65. Kg5 $19) 0-1

[Event "NBC Email"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hofland, Leo"]
[Result "1/2-1/2"]
[PlyCount "53"]
[EventDate "2001.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 $17 7. cxd5
Nxd5 8. Nf3 Re8 9. Be2 Bf5 10. O-O Qd7 (10... Bd6 11. Nc3 Nxc3 12. Bxc3 $11)
11. Bb5 Bd6 (11... Bg4 12. Qc2 Bxf3 13. gxf3 $15) 12. d3 (12. Nd4 Rab8 $11)
12... Bg4 $15 13. Nbd2 a6 14. Bxc6 Qxc6 15. h3 Bh5 (15... Be6 16. Ne4 $11) 16.
Qb3 Qb5 17. Rfc1 (17. Qxb5 axb5 18. Ne4 Bxf3 19. gxf3 Nb4 $15) 17... Qxb3 18.
axb3 Nb4 19. Ne1 (19. Rc3 Rad8 $11) 19... c6 (19... Bg6 20. Nc4 $11) 20. Ne4 (
20. Nc4 Bc7 $11) 20... Bf8 21. Nc5 Bxc5 22. Rxc5 Bg6 (22... Be2 23. Rg5 g6 24.
d4 $11) 23. Rc3 Nd5 24. Rc4 f6 25. Kf1 Nc7 26. Rcc1 (26. Bd4 Bf7 27. Rca4 Nb5
$15 (27... Bxb3 $143 28. Rb4 $14)) 26... Rad8 27. e4 (27. Ke2 Bf7 28. b4 Ne6
$11) 1/2-1/2

[Event "corr NED 1-416"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verheijen, Frits"]
[Result "1-0"]
[PlyCount "69"]
[EventDate "1989.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Re8 8.
Bb2 Bg4 9. Be2 Nc6 10. O-O Qd6 11. a3 Ba5 12. Qa4 Bh5 13. Qb3 h6 (13... Nf4 14.
Bc4 Nxg2 15. Ng5 $15) 14. Rc1 (14. d4 Bg4 $11) 14... Rab8 (14... Nf4 15. exf4
Rxe2 16. Ne5 $17) 15. Bd1 a6 16. Nc3 Nxc3 17. Bxc3 Qd3 18. Rab1 Bb6 19. Qb2 f6
20. Nd4 Bxd1 21. Nxc6 bxc6 22. Rxd1 Ba7 23. Qa2+ Qd5 24. Qc2 Kh8 25. Qg6 Qd6
26. Rb4 Red8 27. Rf4 Rf8 28. Ra4 c5 29. Rb1 Rxb1+ 30. Qxb1 Rb8 {
Threatening mate... how?} 31. Qg6 Qd7 32. Rh4 (32. Rxa6 $4 Qb5 33. h3 Qxa6 $19)
32... Rb6 33. h3 Re6 34. g4 Qa4 35. Qf7 (35. Qf7 Rb6 36. g5 Qd1+ 37. Kg2 $18)
1-0

[Event "corr ICCF cup X"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "da Riva Alonso, Jose E"]
[Result "1/2-1/2"]
[PlyCount "54"]
[EventDate "1994.??.??"]

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 Bg4 $17 9. Be2 Nc6 10. O-O Qd6 11. a3 Bc5 (11... Ba5 12. Nc3 $15) 12. d4
$11 Bb6 13. Nbd2 (13. Nc3 Rad8 $11) 13... Qg6 14. Rc1 a6 (14... Rad8 15. Nc4
$11) 15. Nc4 Rad8 16. Re1 Ba7 (16... Bh3 17. Bf1 $11) 17. Qb3 $14 {
White launches an attack} Bc8 18. Nce5 Nxe5 19. Nxe5 Qb6 (19... Qf6 20. Bd3 $14
) 20. Bc4 Be6 21. e4 Nf6 (21... Nf4 22. Qxb6 Bxb6 23. d5 $16) 22. Qxb6 (22.
Nxf7 Kxf7 23. Qxb6 Bxb6 $19 (23... cxb6 $6 24. d5 Bc8 25. d6+ Be6 26. e5 Bxc4
27. Rxc4 $15)) 22... Bxb6 23. d5 Bc8 24. g3 (24. d6 Be6 25. Bxe6 Rxe6 26. dxc7
Rc8 $14) 24... Rxe5 (24... Kf8 25. Kg2 $14) 25. Bxe5 Ng4 26. Bxc7 Bxc7 27. Be2
Bb6 (27... Bd6 28. Rxc8 Rxc8 29. Bxg4 $14) 1/2-1/2

[Event "EM/M/A110 ICCF Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Gutsche, Dieter"]
[Result "1/2-1/2"]
[WhiteElo "2195"]
[BlackElo "2410"]
[PlyCount "44"]
[EventDate "2000.??.??"]

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. Be2 Bg4 10. O-O Qe7 11. a3 Bd6 12. Qb3 Nb6 13. Nc3 Na5 14. Qc2 Nac4
15. Nb5 Nxb2 16. Nxd6 Qxd6 17. Qxb2 c5 (17... Be6 18. d4 $11) 18. d4 $11 cxd4 (
18... c4 19. Rfc1 $11) 19. Rfd1 Bxf3 20. Bxf3 d3 21. Qd4 Rad8 22. Rxd3 Qe7
1/2-1/2

[Event "corr"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Woschkat, Karl_Heinz"]
[Result "1-0"]
[PlyCount "57"]
[EventDate "1998.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7. cxd5 Nxd5 8.
Nf3 Re8 9. Be2 Qe7 10. O-O Bg4 11. a3 Bd6 12. Qb3 Qd7 13. Nc3 Be6 14. Qc2 Nf6 (
14... Nxc3 15. Qxc3 f6 16. d4 $11) 15. Nb5 Bf5 16. d3 Be7 17. Rab1 a6 18. Nbd4
Nxd4 19. Nxd4 (19. exd4 $143 Be6 $17) 19... Bg6 (19... Bg4 20. Nf3 Qc8 21. Rfc1
$14) 20. Nf3 c6 (20... b5 21. Ne5 Qd6 22. Bf3 $14) 21. Ne5 Qc7 22. Nxg6 hxg6
23. Bf3 Bd6 24. h3 Qe7 {Attacks the isolani on a3} (24... Re7 25. Rfc1 $14) 25.
a4 Rad8 26. Rfc1 Nh7 27. Qc4 Ng5 28. Bg4 Ne6 29. Bc3 (29. Bc3 Ba3 30. Rd1 $14)
(29. Ba1 Rd7 $16) 1-0

[Event "Vrij"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Embden, Alexvd"]
[Result "1/2-1/2"]
[PlyCount "57"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7. cxd5 Nxd5 8.
Nf3 Bg4 9. Be2 Re8 10. O-O Qe7 11. Nd4 Bxe2 12. Nxe2 Rad8 13. Qb3 Na5 14. Qc2
b5 (14... Bd6 15. Qf5 $15) 15. a4 bxa4 16. Rxa4 Nb6 17. Ra2 Qe6 18. Ba1 c5 19.
d4 Nc6 20. Nf4 Qd6 21. dxc5 Bxc5 22. Nd3 Qxd3 23. Qxc5 Qg6 24. Rd2 Rxd2 25.
Nxd2 Rd8 26. Nf3 Rd5 27. Qc3 Na4 28. Qb3 Nb6 29. Rc1 1/2-1/2

[Event "corr NED Hkl"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Klinkers, R."]
[Result "0-1"]
[PlyCount "42"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Nc6 $17
8. Bb2 Bg4 9. Be2 Re8 10. O-O Qe7 11. Nd4 Bxe2 12. Nxe2 Rad8 13. Qb3 Bd6 (13...
Na5 14. Qc2 $15) 14. Nbc3 (14. Qxb7 Qh4 15. f4 Ndb4 $11) 14... Nf6 (14... Ndb4
$5 $15) 15. Qxb7 $11 Bxh2+ 16. Kxh2 Ng4+ $2 (16... Qd6+ 17. Kg1 Rb8 18. Nb5
Rxb7 19. Nxd6 cxd6 20. Bxf6 gxf6 21. Rfc1 $16) 17. Kg1 $4 (17. Kg3 $142 Qd6+
18. Nf4 $18 (18. Kxg4 $6 Rb8 19. Qb3 Rxb3 20. axb3 f5+ 21. Kh3 Qh6+ 22. Kg3
Qd6+ 23. f4 Qxd2 $14)) 17... Qh4 $11 {Do you see the mate threat?} 18. Qxc7 (
18. Rfb1 Qxf2+ 19. Kh1 Qh4+ 20. Kg1 Qf2+ 21. Kh1 Qh4+ 22. Kg1 Qh2+ 23. Kf1 Rxd2
24. Nd1 Qh1+ 25. Ng1 Rxg2 26. Nf2 Rxf2+ 27. Ke1 Qxg1#) 18... Nce5 19. Rfd1
Qxf2+ 20. Kh1 {Black now must not overlook the idea e4} Rc8 21. Qb7 Rc6 {
The mate threat is Rh6} (21... Rc6 22. Qxc6 Qh4+ (22... Nxc6 23. Nf4 Qg3 24.
Kg1 Rxe3 25. dxe3 Qxe3+ 26. Kh1 Nf2+ 27. Kh2 Nxd1 28. Ncd5 $19) 23. Kg1 Qh2+ (
23... Nxc6 $143 24. Nf4 $19) 24. Kf1 Nxc6 $19) 0-1

[Event "corr NED H"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Litjens, Harry"]
[Result "1-0"]
[PlyCount "57"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 $17 5. Bb2 O-O 6. e3 d5 7. cxd5
Nxd5 8. Nf3 Bg4 9. Be2 Re8 10. O-O Qe7 11. Nd4 Bxe2 12. Nxe2 Rad8 13. d4 Rd6 (
13... Bd6 14. Nd2 $17) 14. Ng3 Rg6 (14... Rd7 $5 $15) 15. a3 $11 Ba5 16. Nd2 (
16. e4 Nf4 $11) 16... Bxd2 17. Qxd2 Qg5 (17... Qh4 18. Nf5 Qg5 19. Ng3 $15) 18.
f4 {White begins to deal mighty blows} Qg4 19. e4 {
White prepares the advance f5} Nde7 (19... Nf6 $5 20. d5 Nb8 $14) 20. d5 $16
Nb8 21. Rac1 Na6 22. f5 Rd6 23. f6 gxf6 24. Bxf6 Rb6 25. Qh6 Qg6 26. Qh4 Kf8 (
26... Nc8 $142 $18) 27. Nh5 c5 (27... Nc8 28. Bg7+ Kg8 29. Nf6+ Rxf6 30. Bxf6
Rxe4 $18) 28. dxc6 Nxc6 29. Nf4 (29. Nf4 Qxf6 30. Qxf6 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Smit"]
[Result "1-0"]
[PlyCount "35"]
[EventDate "1992.??.??"]

1. b4 (1. Nf3 Nf6 $11) 1... e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 (4. Nc3 Ba5
$15) 4... O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 (7. Nc3 c5 $15) 7... Nc6 8. Bb2 Bg4
9. Be2 Re8 10. O-O Qe7 11. Nd4 Bxe2 12. Nxe2 Rad8 13. d4 Qh4 14. Nd2 Bxd2 15.
Qxd2 Ne5 $4 (15... a6 $142 $15) 16. dxe5 $18 Nf4 (16... Re6 17. Nd4 Rh6 18. Nf3
$18) 17. Nd4 Nxg2 18. f4 (18. f4 c5 19. Qxg2 cxd4 20. exd4 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Embden, A."]
[Result "0-1"]
[PlyCount "75"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 d5 7. cxd5 Nxd5 8.
Nf3 Bg4 9. Be2 Re8 10. O-O Qe7 11. Nd4 Bxe2 12. Nxe2 Rad8 13. d4 Nxe3 (13...
Bd6 $142 $5 $15) 14. fxe3 $14 Qxe3+ {
Black launches an attack. Opening the e-file gets Black a lot of play} 15. Rf2
Nxd4 {Black creates threats along the open d-file} 16. Bxd4 Bc5 17. Qb3 {
Do you see the mate threat?} Rxd4 (17... Bxd4 $6 18. Nxd4 (18. Qxf7+ $4 Kh8 19.
Nxd4 Qxd4 $19) 18... Qxd4 19. Nc3 $11 (19. Qxf7+ Kh8 20. Nd2 Qxa1+ 21. Nf1 Qc1
$19)) 18. Qxf7+ Kh8 {Threatening mate... how?} 19. Nbc3 (19. Nxd4 Qe1+ 20. Rf1
Bxd4+ 21. Kh1 Bxa1 $16) 19... Rdd8 (19... Rf8 20. Qxf8+ Bxf8 21. Nxd4 $17) 20.
Qf4 Qd3 (20... Qxf2+ $6 21. Qxf2 Bxf2+ 22. Kxf2 $17) 21. Kh1 (21. Raf1 Rxe2 22.
Nxe2 Qxe2 $19) 21... Rf8 (21... Bxf2 $6 22. Qxf2 Qe3 23. Qf7 $15) 22. Rf3 Rxf4
23. Rxd3 Rxd3 24. Nxf4 Rxc3 25. Nd5 Rc2 26. Nxc7 Kg8 27. Ne6 Be7 28. a4 Rc4 29.
g3 Kf7 30. Nf4 b6 31. Kg2 g5 32. Nd5 Bc5 33. h3 Bd4 34. Ra3 h5 35. Kf3 Bc5 36.
Ra1 Rd4 37. Nc7 Rd3+ 38. Ke4 (38. Kg2 Bd6 39. Nb5 Rxg3+ 40. Kf2 Be5 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van Geemen, Jan"]
[Result "0-1"]
[PlyCount "42"]
[EventDate "1989.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Nc6 8.
Bb2 Bg4 9. Be2 Re8 10. O-O Qe7 11. a3 Ba5 12. Qb3 Rad8 (12... Nb6 $5 $11) 13.
Qxb7 $14 Rd6 14. Qb3 Bb6 (14... Nf4 $1 15. Bb5 Nh3+ 16. Kh1 Bxf3 17. gxf3 Qh4
$11) 15. d4 Na5 16. Qc2 Nxe3 17. fxe3 Qxe3+ 18. Rf2 Bxf3 19. Bxf3 $4 (19. gxf3
Rxd4 $1 20. Bf1 $19) 19... Rxd4 20. Bxd4 $4 (20. h3 $142 Qe1+ 21. Kh2 $19)
20... Qxd4 (20... Qe1+ 21. Rf1 Bxd4+ 22. Qf2 Qxf2+ 23. Rxf2 Re1#) 21. a4 $4 (
21. Nc3 $142 $16) 21... Re2 (21... Re2 22. Qxe2 Kf8 $18) (21... Re1#) 0-1

[Event "corr ICCF"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Cottarelli, Franco"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "58"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. Nf3 Nc6 7. Bb2 Bg4
8. a3 Ba5 9. cxd5 Nxd5 10. Be2 Qe7 11. O-O Rfe8 12. h3 Bf5 13. Bb5 Qe6 14. Nd4
Nxd4 (14... Qg6 15. Nxf5 Qxf5 16. Bxc6 bxc6 $14) 15. Bxe8 $15 Nc2 16. Bxf7+ $2
(16. Bb5 $142 $5 $15) 16... Kxf7 17. Qf3 $2 (17. Qh5+ $142 Kg8 18. Ra2 $19)
17... Ne7 $4 (17... Nxa1 18. Bxa1 Kg8 19. Qg3 $19) 18. e4 $2 (18. Qxb7 Be4 19.
Qb5 Nxa1 20. Qxa5 $19) 18... Qb6 $4 (18... Nxa1 19. exf5 Qa2 20. Qxb7 Rd8 21.
Bxa1 Qxa1 22. Qb3+ Nd5 $14) 19. Ra2 $11 Qe6 20. Nc3 $4 (20. Ra1 Nxa1 21. exf5
$17) 20... Nd4 (20... Bxc3 21. Qxc3 Qxa2 22. exf5 Nd4 23. Qxd4 Nxf5 $16) 21.
Qh5+ $17 Qg6 22. Qxg6+ Bxg6 (22... hxg6 $143 23. exf5 gxf5 24. Re1 $18) 23. d3
(23. Re1 Re8 $17) 23... Rd8 24. f4 Kg8 (24... Bxc3 25. Bxc3 Nb5 26. Be5 Rxd3
27. f5 $11) 25. Ba1 (25. Kf2 $142 $5 $17) 25... Nb3 $19 26. Ne2 Rxd3 27. f5 Bf7
(27... Nd2 $142 28. Nf4 Bb6+ 29. Kh1 Nxe4 $19) 28. f6 $2 (28. Nf4 Rd2 29. Rxd2
Nxd2 $19 (29... Bxd2 $6 30. g3 $19)) 28... Bb6+ (28... gxf6 $142 29. Nf4 Rd7
$19) 29. Kh1 $2 (29. Kh2 gxf6 30. Rxf6 $19) 29... Nd2 (29... Nd2 30. Nf4 Nxf1
31. Nxd3 gxf6 $19) (29... Nxa1 $6 30. fxe7 Nb3 31. Nf4 $19) 0-1

[Event "corr or03-027"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Cornacchini, Gabriele"]
[Result "0-1"]
[PlyCount "66"]
[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 Re8 9. Be2 Bg4 10. O-O Qe7 11. a3 Ba5 12. h3 Bf5 13. Nh4 Qxh4 14. Bf3 Be4
15. Bxe4 Qxe4 16. d3 Qg6 17. a4 Ndb4 18. Ra3 Rad8 19. d4 Ne5 20. Qe2 Ned3 21.
Bc3 Nf4 22. Qf3 Nfd5 23. Bd2 c6 24. Rb3 Qc2 25. Qd1 Qxd1 26. Rxd1 b6 27. Na3 c5
28. Nc4 cxd4 29. exd4 Nc6 30. Nxa5 Nxa5 31. Bxa5 bxa5 32. Rb7 Nc3 33. Rd3 Ne2+
0-1

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Mes, Andre"]
[Result "0-1"]
[PlyCount "82"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Re8 6. Bb2 d5 7. cxd5 Nxd5
8. Nf3 Nc6 9. Be2 Bg4 10. O-O Qe7 11. d4 Rad8 12. a3 Ba5 (12... Nxe3 13. fxe3
Qxe3+ 14. Rf2 Bxf3 15. Bxf3 $15) 13. Qb3 $11 Bb6 14. Nc3 Be6 15. Qc2 Nxc3 16.
Bxc3 Bd5 17. Bb2 Rd6 18. Rac1 Rh6 19. h3 Qd7 20. Qd1 Rxh3 21. Ng5 $4 (21. gxh3
Qxh3) 21... Rh4 (21... Rh6 22. Nf3 $17) 22. Bf3 Bxf3 (22... Qf5 23. Bxd5 Qxd5
24. Nf3 $17) 23. Nxf3 Rh6 24. Nd2 (24. d5 $5 Ne7 25. e4 $17) 24... Qd6 {
Do you see the mate threat?} 25. Nf3 Qd5 (25... Rh5 26. Re1 $17) 26. Nh2 (26.
Ne5 Nxe5 27. dxe5 Qe4 $17) 26... Re4 27. Ng4 Rg6 28. f3 Re8 29. Re1 Qg5 30. Rc2
h5 31. Ne5 Nxe5 32. f4 Nf3+ (32... Qg3 $5 33. fxe5 h4 $19) 33. Qxf3 $17 Qh4 34.
Qf2 Rg3 (34... Qe7 35. f5 Rg4 36. f6 Qxf6 37. Qxf6 gxf6 38. Kf2 $17) 35. e4 Qg4
36. Rce2 {White intends e5} (36. Bc3 g5 37. f5 h4 $19 (37... Rxe4 $6 38. Rxe4
Qxe4 39. Qxg3 Qxc2 40. Qxg5+ Kf8 41. Qd8+ Kg7 42. Qg5+ Kh7 43. Qxh5+ Kg7 44.
Qg5+ Kf8 45. Qh6+ Ke7 46. Qe3+ Kd7 47. f6 $11)) 36... h4 37. Kh2 Ba5 38. Rf1 {
White prepares f5} Re6 (38... h3 39. Qxg3 Qxe2 40. Rf2 Qxe4 41. d5 $19) 39. e5
(39. Rb1 f5 40. e5 Rd3 $17) 39... Rg6 (39... Rh6 $5 $17) 40. f5 $15 Rg5 (40...
Rh6 41. e6 h3 42. exf7+ Kxf7 43. Qxg3 hxg2+ 44. Kxg2 Qxe2+ 45. Rf2 $17) 41. Rg1
$4 (41. e6 Rxf5 42. exf7+ Rxf7 43. Qxf7+ Kh7 44. Rf5 Qxe2 45. Rh5+ Qxh5 46.
Qxh5+ Kg8 47. Qxa5 $18) 41... h3 (41... h3 42. Re4 Qxe4 43. Qxg3 Rxg3 44. Kxg3
Bd2 $19) 0-1

[Event "corr NED-ch"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "32"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Nc6
$17 8. Bb2 Re8 9. Be2 Bg4 10. O-O Qe7 11. d4 Rad8 12. a3 Ba5 13. Nbd2 $4 (13.
Qb3 $142 Qf6 14. Qb5 $15) 13... Nxe3 $1 $19 14. Qa4 (14. fxe3 Qxe3+) 14... Bxd2
15. Nxd2 (15. fxe3 Bxe3+ 16. Kh1 Nxd4 17. Nxd4 Bxd4 18. Bc4 Bxb2 19. Rxf7 $17)
15... Bxe2 16. Rfe1 (16. fxe3 Qxe3+ 17. Rf2 Qxd2 $19) 16... Nxg2 $1 (16... Nxg2
17. Kxg2 Qg5+ 18. Kh1 Qxd2 $19) 0-1

[Event "corr NED-ch"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Loon, W."]
[Result "0-1"]
[PlyCount "50"]
[EventDate "1991.??.??"]

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. Be2 Rxe3 $4 10. fxe3 $16 Nxe3 11. Qb3 Qe7 (11... Nxg2+ 12. Kf1
Be6 13. Bc4 $18) 12. Kf2 Ng4+ (12... Nxg2 13. Bc4 Nf4 14. Rf1 $18) 13. Kf1 Be6
14. Qc2 Re8 15. Nc3 $4 (15. Bb5 $142 $18) 15... Qc5 $11 {Threatening mate: Qf2}
16. Ke1 Bf5 17. Qb3 Bxc3 18. Qxc3 {Threatening mate... how?} Qf2+ 19. Kd1 Qxe2+
20. Kc1 Nge5 21. Ne1 a5 22. Qg3 Nb4 23. Bxe5 Rxe5 24. Qc3 Re6 25. Kb2 Rb6 (
25... Rb6 26. Nf3 Nd5+ 27. Qb3 Rxb3+ 28. axb3 Qxg2 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Schut, Th"]
[Result "1-0"]
[PlyCount "37"]
[EventDate "1988.??.??"]

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. Be2 Rxe3 $4 10. fxe3 $16 Nxe3 11. Qb3 Nxg2+ 12. Kd1 Be6 13. Qd3 Bf5
(13... Qxd3 14. Bxd3 Bd5 15. Be2 $16) 14. Qxd8+ $18 Rxd8 15. Rg1 Ne3+ (15...
Bxb1 16. Rxb1 Ne3+ 17. Ke1 $18) 16. Kc1 Nc2 17. Rxg7+ Kf8 18. Ng5 Bg6 $2 (18...
Rd7 19. Bg4 Bxg4 20. Nxh7+ Ke7 21. Kxc2 Bf5+ 22. Kc1 Bxb1 23. Rxb1 Bxd2+ 24.
Kc2 Nb4+ 25. Kb3 Rd3+ 26. Kc4 b5+ 27. Kxb5 a6+ 28. Kc4 Rf3 $18) 19. Rxg6 $1 (
19. Rxg6 hxg6 20. Kxc2 $18) 1-0

[Event "corr SOK-92-78"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Grehl, Siegfried"]
[Result "1-0"]
[PlyCount "35"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. e3 Re8 7. Nf3 d5
8. cxd5 Nxd5 9. Be2 Rxe3 $4 10. fxe3 $18 Nxe3 11. Qb3 Nxg2+ 12. Kd1 Be6 13. Qd3
Qe8 $4 (13... Qxd3 $142 14. Bxd3 Bd5 $16) 14. Ng5 $18 g6 15. Nxe6 fxe6 (15...
Qxe6 16. Qg3 Qe4 17. Rg1 $18) 16. Qg3 (16. Qe4 Qd7 17. Qxg2 Nd4 $18) 16... Nd4
(16... Qd7 17. Qxg2 Nd4 18. Bd3 $18) 17. Bxd4 Rd8 (17... Qc6 18. Rf1 Bd6 19.
Qg4 Qa4+ 20. Kc1 $18) 18. Qe5 (18. Qe5 Rxd4 19. Bb5 $18 (19. Qxd4 $6 Qa4+ 20.
Kc1 Ba3+ 21. Nxa3 Qxd4 $11)) (18. Bg1 $142 Qa4+ 19. Qb3 Qxb3+ 20. axb3 $18) 1-0

[Event "corr SOK-92-78"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bedbur, Heinz"]
[Result "*"]
[PlyCount "38"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 Nc6 6. Bb2 Re8 7. Nf3 d5
8. cxd5 Nxd5 9. Be2 Rxe3 $4 10. fxe3 $16 Nxe3 11. Qb3 Nxg2+ 12. Kd1 Be6 13. Qd3
Qe7 14. Rg1 $18 Rd8 15. Rxg2 Rxd3 16. Rxg7+ (16. Bxd3 $6 f6 $14) 16... Kf8 17.
Bxd3 Bd5 18. Ng5 $4 (18. Be2 Qe4 19. a3 Bb3+ 20. Ke1 $16) 18... Ne5 $19 19.
Rg8+ $2 (19. Rxh7 Qxg5 20. Rh8+ Ke7 21. Be2 $19) 19... Kxg8 *

[Event "corr ICCF TT"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Landgraf, Manfred"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "1990.??.??"]

1. b4 {A00: Irregular Openings} (1. d4 $5 $14) 1... e5 $15 2. Bb2 (2. a3 Nf6
$15) 2... Bxb4 3. Bxe5 Nf6 4. c4 (4. e3 Nc6 5. Bb2 O-O $15) 4... O-O (4... d6
5. Bc3 Na6 6. e3 $15) 5. e3 (5. Nc3 Ng4 6. Bg3 Bxc3 7. dxc3 Nc6 $15) 5... Nc6 (
5... d5 6. Nf3 Nc6 7. Bb2 $17) 6. Bb2 d5 7. cxd5 Nxd5 8. Nf3 Re8 (8... Qd6 $5
$17) 9. Be2 $15 Rxe3 (9... Qd6 $142 $5 $15) 10. fxe3 $14 Nxe3 11. Qb3 Nxg2+ 12.
Kd1 Be6 13. Qd3 Bc4 (13... Qxd3 $5 14. Bxd3 Bg4 $11) 14. Qxd8+ $16 (14. Qxc4 $2
Ne3+ 15. Kc1 Nxc4 16. Bxc4 Qd6 $19) 14... Rxd8 15. Bxc4 Ne3+ 16. Kc1 Nxc4 17.
Bc3 Rd3 18. Bxb4 (18. Rf1 Bxc3 19. Nxc3 Nxd2 20. Nxd2 Rxc3+ 21. Kb2 Rh3 $16)
18... Rxf3 19. Bc3 Rf2 (19... b5 20. Re1 Kf8 21. Re4 $18) 20. Re1 (20. Kc2 a6
$16) 20... Kf8 21. h3 Rh2 (21... f5 22. a4 Nb6 23. Ra3 $16) 22. Re4 Nd6 23. Rh4
h6 24. Na3 a6 (24... b5 25. Nc2 Nf5 26. Rf4 $18) 25. Nc2 Nf5 26. Rf4 Nd6 27. h4
Kg8 (27... f5 28. Nd4 Nxd4 29. Rxd4 $18) 28. Ne3 Ne7 (28... Nb5 29. Kb2 $18)
29. Bb4 (29. Be5 f6 30. Bxd6 cxd6 $18) 29... Ng6 (29... g5 30. Rf6 Rxh4 31.
Bxd6 cxd6 32. Kc2 $18) 30. Bxd6 1-0

[Event "corr ICCF TT-4-90"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Sontonyi, Sandor"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "34"]
[EventDate "1990.??.??"]

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. Na3 (9. Bb5 Nf4 10. O-O Nd3 $15) 9... Nf4 (9... Nxe3 10. fxe3
Rxe3+ 11. Be2 Rxa3 12. Bxa3 Bxa3 13. O-O $17) 10. Nc2 Bg4 11. Nxb4 Nxb4 12. d4
Qd5 (12... Bf5 13. Kd2 Nfd3 14. Bxd3 Nxd3 15. Qc2 $19) 13. a3 (13. Kd2 Nh3 14.
Ke1 Ng5 $17 (14... Nxa2 $143 15. Be2 $14)) 13... Nbd3+ $1 14. Bxd3 {
Theme: Deflection from g2} (14. Qxd3 Nxd3+ {Theme: Double Attack}) 14... Nxg2+
15. Kd2 Bxf3 (15... Qxf3 $6 16. Qxf3 Bxf3 17. Rhc1 $15) 16. Qb1 Qh5 (16... Be4
17. Rg1 Nh4 18. Bxe4 Rxe4 19. Rc1 $19) 17. Rg1 Nxe3 (17... Nxe3 18. fxe3 Qxh2+
19. Kc3 Rxe3 $15) (17... c6 18. Qf1 Nh4 19. Kc1 $17) 0-1

[Event "corr ICCF TT-4-90-5"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Andersson, Lars H"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "101"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 Bxb4 3. f4 $2 exf4 $19 4. Bxg7 Qh4+ 5. g3 fxg3 6. Bg2 $4
gxh2+ 7. Kf1 hxg1=Q+ 8. Kxg1 $15 Qg4 9. Bxh8 Qg6 10. e3 Be7 11. Nc3 Bf6 12.
Bxf6 Nxf6 13. Qf3 d6 14. Rf1 Nbd7 15. Nb5 (15. Ne4 Ke7 $11) 15... Kd8 (15...
Qxc2 16. Qd1 Qc5 17. a4 $15) 16. d3 Qg5 17. Nd4 d5 18. Rh3 h5 (18... c5 19. Rg3
Qe5 20. Nf5 $11) 19. Rg3 {White gets kings attack} Qe5 20. Nf5 Qc3 21. Bh3 Ne5
22. Rg8+ $4 (22. Qf4 Ng6 23. Qd4 Qxd4 24. Nxd4 $16) 22... Nxg8 $19 23. Qxd5+
Bd7 24. Nd4 Ng4 $4 (24... Qb4 $142 $19) 25. Bxg4 $15 hxg4 26. Rxf7 {
Do you see the mate threat?} Qe1+ 27. Kg2 Qd2+ 28. Rf2 Ne7 29. Ne6+ (29. Rxd2
$4 Nxd5 30. e4 c5 $19) (29. Qxb7 $6 Qxe3 30. Rf8+ Be8 31. Qxa8+ Nc8 32. Qd5+
Nd6 33. Nc6+ Kc8 $18) 29... Kc8 30. Qe5 {The mate threat is Qxc7} (30. Rxd2 $4
Nxd5 31. Rf2 Nxe3+ (31... Bxe6 $143 32. Rf8+ Kd7 33. Rxa8 $19) 32. Kg3 b6 (
32... Bxe6 $143 33. Rf8+ Kd7 34. Rxa8 $19) 33. Rf8+ Kb7 34. Rxa8 Kxa8 (34...
Bxe6 $143 35. Re8 Nf5+ 36. Kf4 $19) 35. Nxc7+ Kb7 $19) 30... Qxf2+ 31. Kxf2
Bxe6 32. Qxe6+ Kd8 33. Qxg4 c5 34. Qe6 Rc8 35. Qd6+ Ke8 36. e4 b6 37. Ke3 Rd8
38. Qe6 Rc8 39. a4 (39. a3 Rc6 40. Qe5 Kd7 $18) 39... Rc6 40. Qe5 Kd7 41. c3
Rc8 42. d4 cxd4+ 43. cxd4 Rc1 (43... Rc3+ 44. Kd2 Rc6 45. Kd3 $18) 44. Qb5+ (
44. d5 Re1+ 45. Kd2 Rh1 $18) 44... Kc7 (44... Kd8 45. a5 Rc6 46. e5 $18) 45. d5
(45. Qe8 Nc6 $18) 45... Rc5 (45... Kd8 46. Kd4 $18) 46. Qe8 Nc8 47. Kd4 Rc1 (
47... Rc4+ 48. Kd3 Rc5 49. Qf7+ Kb8 50. e5 $18) 48. Qf7+ (48. Ke5 a6 $18) 48...
Kb8 49. Qf4+ Rc7 50. d6 Rd7 51. e5 (51. e5 a6 52. Qf5 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bom, Jan"]
[Result "1-0"]
[PlyCount "55"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 Nc6 3. b5 $14 Nd4 4. e3 Nf5 5. Bxe5 d6 6. Bb2 Nf6 7. Be2 (
7. Nf3 d5 $14) 7... Bd7 (7... Nh4 8. g3 Ng6 9. Nf3 $14) 8. a4 (8. Nf3 d5 $16)
8... a6 (8... Nh4 9. Kf1 $14) 9. Nc3 (9. Nf3 Be7 $16) 9... c6 (9... axb5 10.
axb5 Rxa1 11. Qxa1 $16) 10. Nf3 g6 (10... d5 11. Ne5 $16) 11. O-O (11. Ne4 Bg7
12. Bxf6 Bxf6 $18) 11... Bg7 $16 12. Qc1 (12. bxa6 bxa6 13. Rb1 Qe7 $16) 12...
O-O (12... Qe7 13. d3 $16) 13. e4 {White gets the initiative} Ne7 14. d4 {
White prepares e5} Ng4 (14... axb5 15. axb5 Rxa1 16. Qxa1 $16) 15. h3 Bh6 (
15... Nf6 16. Qf4 $18) 16. Qd1 (16. Qb1 Nf6 $18) 16... Nf6 17. e5 Nfd5 (17...
dxe5 18. dxe5 Nfd5 19. bxa6 bxa6 20. Ne4 $16) 18. exd6 Nxc3 $4 (18... Nf5 $142
$18) 19. dxe7 (19. Bxc3 $6 Nf5 $18) 19... Nxd1 (19... Qxe7 20. Bxc3 cxb5 21.
axb5 $18) 20. exd8=Q (20. exd8=B $6 Nxb2 21. Bf6 axb5 22. axb5 cxb5 $16) (20.
exd8=N $6 Nxb2 21. Nxb7 cxb5 $18) (20. exf8=R+ $6 Qxf8 21. Rfxd1 cxb5 22. axb5
Bxb5 $11) 20... Raxd8 (20... Rfxd8 21. Rfxd1 (21. Bxd1 $143 cxb5 22. axb5 Bxb5
$18) (21. Raxd1 $143 axb5 22. axb5 Ra2 23. bxc6 bxc6 $18) 21... Bf4 22. Ne5 $18
) 21. Rfxd1 (21. Bxd1 $143 cxb5 22. Ne5 bxa4 $18) 21... Bf5 (21... Rfe8 22. Kf1
Bf5 23. bxc6 bxc6 24. Bxa6 Bxc2 25. Re1 $18) 22. c3 (22. bxc6 bxc6 23. Bxa6
Bxc2 $18) 22... Bc2 (22... a5 23. bxc6 bxc6 24. Ne5 $18) 23. Rf1 (23. Re1 a5
$18) 23... Rfe8 24. Bc4 Re4 (24... cxb5 25. axb5 Rc8 26. Bd5 axb5 27. Rfe1 $18)
25. Ne5 Rf4 (25... Kg7 26. Nxf7 Rb8 27. Nxh6 Kxh6 28. Bc1+ Kg7 29. Ra2 cxb5 30.
axb5 axb5 31. Bd5 $18) 26. Bc1 (26. bxa6 $142 bxa6 27. Bc1 Kg7 $18) 26... Rh4 (
26... axb5 27. axb5 cxb5 28. Bxb5 Rh4 $18) 27. Bxh6 Rxh6 (27... Rh5 28. bxc6
bxc6 29. Rfe1 $18) 28. Nxf7 (28. Nxf7 axb5 29. axb5 cxb5 30. Ba2 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "de Jonge, Jan"]
[Result "1-0"]
[PlyCount "79"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 Nc6 (2... f6 $142 $5 $15) 3. b5 $14
Nd4 4. e3 Ne6 5. Bxe5 d6 6. Bb2 Be7 7. Bc4 (7. Nf3 Bf6 8. d4 a6 $16) 7... Nf6 (
7... d5 8. Be2 $14) 8. Nf3 $16 O-O 9. Bxe6 (9. O-O d5 10. Be2 Re8 $14) 9...
Bxe6 10. d3 a6 11. c4 (11. bxa6 Rxa6 12. Nc3 d5 $14) 11... axb5 12. Nd4 (12.
cxb5 Rxa2 13. Rxa2 Bxa2 $11) 12... bxc4 $17 13. Nxe6 fxe6 14. dxc4 Ra6 (14...
Qd7 15. O-O $15) 15. O-O $15 Qa8 16. Nc3 c6 (16... Qe8 17. Qd3 $15) 17. a4 (17.
e4 b6 $11) 17... d5 $15 18. cxd5 cxd5 (18... Nxd5 $143 19. Qg4 Rf7 20. Qxe6 $16
) (18... exd5 $6 19. e4 Rb6 20. Qb1 $15) 19. Nb5 Rc6 20. Be5 (20. a5 Ne4 $15)
20... Qd8 (20... Nd7 21. Bd4 $15) 21. Qb3 (21. Nd4 Ra6 $11) 21... Ne4 22. Rfd1
$2 (22. Nd4 $142 Rb6 23. Qd3 $11) 22... Rxf2 $19 23. Nd4 Rb6 24. Nb5 Rc6 $4 (
24... Bc5 25. Rf1 Nd2 26. Qc3 Rxf1+ 27. Rxf1 Nxf1 28. Qxc5 $19) 25. a5 $4 (25.
Nd4 $142 $11) 25... Rcc2 $19 26. Qxc2 $4 (26. Nd4 Rb2 27. Nxe6 Rxb3 28. Nxd8
Bxd8 29. Rxd5 $19) 26... Rxc2 27. Nd4 Nc5 (27... Qf8 $142 28. Nxc2 Qf2+ 29. Kh1
Qxc2 $19) 28. Nxc2 $17 Bf6 (28... Nb3 29. Ra4 Nxa5 30. Nd4 $19) 29. Bd4 (29.
Bxf6 gxf6 30. Nd4 Qd7 $15) 29... Bxd4 (29... Nb3 30. Bb6 Qc8 31. Ra2 $17) 30.
Nxd4 $15 Qa8 (30... e5 31. Nf5 Kf7 32. Rf1 $15) 31. Rdc1 Qc8 $4 (31... Qf8 $142
$15) 32. Rc2 Kf7 $2 (32... Qc7 33. Nxe6 Qe5 34. Rxc5 Qxa1+ 35. Kf2 Qf6+ 36. Nf4
g5 37. Rc8+ Kf7 38. Rc7+ Ke8 $19) 33. Rac1 b6 34. axb6 Qa6 35. Rxc5 Qxb6 36.
Rc7+ Kg6 (36... Kg8 37. R7c6 Qb4 38. Rxe6 $18) 37. R7c6 (37. R1c6 Qb1+ 38. Kf2
Kh6 $18) 37... Qb2 38. Rxe6+ Kf7 (38... Kh5 39. Re5+ g5 $18) 39. Rf1+ Kg8 (
39... Qf2+ 40. Rxf2+ Kg8 41. Re8#) 40. Re8# 1-0

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verduyn De Boer, J."]
[Result "1-0"]
[PlyCount "49"]
[EventDate "1992.??.??"]

1. b4 d6 2. Bb2 e5 3. c4 a6 4. e3 Be7 (4... Nf6 5. d4 $15) 5. Nf3 (5. d4 e4 $11
) 5... Nc6 (5... Nf6 6. d4 $15) 6. a3 (6. d4 e4 7. d5 Bf6 $11 (7... Nxb4 $143
8. Bxg7 Bf6 9. Bxh8 Bxh8 10. Nd4 $16)) 6... Nh6 (6... Nf6 7. d4 e4 8. d5 $11)
7. c5 (7. Be2 O-O $11) 7... O-O $15 8. Qc2 e4 (8... Bf5 9. e4 Bg4 10. cxd6 Qxd6
11. Qc3 $15) 9. Qxe4 (9. cxd6 $142 Bxd6 10. Qxe4 $11) 9... f5 (9... dxc5 $142
$5 10. bxc5 Bxc5 $11) 10. Qc4+ Kh8 (10... Nf7 11. Be2 $16) 11. Qc3 (11. Be2
dxc5 12. bxc5 Re8 $16) 11... Bf6 $14 12. Qc2 (12. d4 f4 $14) 12... Qe7 (12...
dxc5 13. bxc5 f4 14. Nc3 $14) 13. d4 (13. cxd6 cxd6 14. Bxf6 Rxf6 $16) 13...
Bd7 (13... f4 14. d5 Ne5 15. Nxe5 Bxe5 16. cxd6 cxd6 17. Bxe5 Qxe5 18. Qc3 fxe3
19. fxe3 Qxd5 20. Nd2 $15) 14. Bd3 $16 Rae8 (14... f4 15. d5 (15. Bxh7 fxe3 16.
cxd6 exf2+ 17. Kxf2 Bxd4+ 18. Bxd4 Rxf3+ 19. gxf3 Qh4+ 20. Kg1 Qxd4+ 21. Kg2
Qxa1 $19) 15... Ne5 16. Nxe5 Bxe5 17. e4 $14 (17. Bxh7 Bxb2 18. cxd6 cxd6 (
18... Qxd6 $6 19. Qxb2 Kxh7 20. e4 $19) 19. Qxb2 fxe3 $19)) 15. O-O Nd8 (15...
Be6 16. Nc3 $16) 16. Re1 Qf7 (16... Bc6 17. Nbd2 $16 (17. Bxf5 Nxf5 18. Qxf5
Bxf3 19. gxf3 Bxd4 $17)) 17. Nc3 (17. cxd6 cxd6 18. Qc7 Qe7 $18) 17... Bc6 $16
18. e4 {White plans d5} g6 (18... dxc5 19. bxc5 fxe4 20. Nxe4 $18) 19. d5 fxe4
$2 (19... Bd7 $142 $18) 20. Nxe4 (20. dxc6 $6 exd3 21. Qd2 Nf5 22. cxb7 Nxb7
23. Qxd3 dxc5 24. Qxa6 cxb4 25. axb4 Nbd6 $16) (20. Bxe4 $6 Bd7 $18) (20. Rxe4
$6 Bd7 $18) 20... Bxd5 (20... Rxe4 21. Bxe4 Bd7 $18) 21. Nxf6 Rxe1+ 22. Rxe1
Nf5 (22... Qxf6 23. Bxf6+ Rxf6 24. Re8+ Kg7 25. Rxd8 $18) 23. Nxd5+ Kg8 24.
Nf6+ (24. Bxf5 Qxd5 25. Qc3 Qe5 26. Rxe5 Nf7 $18) 24... Kg7 25. Ng4+ (25. Ng4+
Qf6 26. Bxf6+ Rxf6 27. Qc3 h6 28. Qxf6+ Kh7 29. Qf8 dxc5 30. Nf6#) 1-0

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Polderman, Kees"]
[Result "0-1"]
[PlyCount "80"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 Nc6 $15 4. b5 Nce7 5. e3 Nf6 6. Be2 Ng6 7. Nf3 Be7
(7... e4 8. Nd4 $15) 8. d4 exd4 (8... e4 9. Nfd2 $11) 9. Qxd4 c5 10. Qd1 O-O
11. Nc3 b6 12. O-O Bb7 13. Ng5 (13. Nd5 Nxd5 14. cxd5 Bf6 $11) 13... h6 14. Nf3
Qc7 15. Qc2 (15. Nd5 Nxd5 16. cxd5 a6 $14) 15... Rad8 16. Bd3 (16. Qa4 d5 17.
cxd5 Nxd5 $14) 16... Bxf3 (16... Ne5 17. Nxe5 dxe5 18. Rfd1 $11) 17. gxf3 d5 (
17... Ne5 18. Kg2 $11) 18. Nxd5 Nxd5 19. cxd5 Rxd5 20. f4 (20. Be4 Rg5+ 21. Kh1
c4 $14) 20... Rd6 21. Kh1 (21. Rfd1 Rfd8 $14) 21... Qd7 22. Rg1 $4 (22. Rfd1
$142 $11) 22... Rxd3 $19 23. Rg3 (23. Qc4 Qd5+ 24. Qxd5 Rxd5 $19) 23... Rd8 (
23... Qxb5 24. f5 Bf6 25. Bxf6 Qc6+ 26. Kg1 Qxf6 27. Qxd3 Qxa1+ 28. Qf1 Qxf1+
29. Kxf1 $19) 24. h3 (24. a4 Rd2 25. Qc4 Qd3 26. Qxd3 R8xd3 $19 (26... R2xd3
$143 27. f5 Rb3 28. Rb1 $19)) 24... Qxb5 25. Rag1 (25. Rb1 Qc6+ 26. Kg1 Qe6 $19
) 25... Qc6+ (25... Rd2 $142 26. Qf5 Qxb2 27. a4 $19) 26. Kh2 c4 (26... Rd2 27.
Qc3 Bf6 28. Qa3 Rxb2 29. Qxa7 $19) 27. f5 Bd6 (27... Rd2 28. Qc3 Bf6 29. Qxd2
Rxd2 30. Bxf6 Rxa2 31. R1g2 Qxf6 32. fxg6 Rxf2 33. gxf7+ Qxf7 34. Rxg7+ Qxg7
35. Rxf2 Qe5+ 36. Kg2 Qxe3 37. Rf3 Qg5+ 38. Kf1 $19) 28. f4 Bxf4 $1 29. exf4 (
29. Bc3 Bxg3+ 30. Rxg3 Ne5 31. Rxg7+ Kxg7 32. Bxe5+ Kg8 $19) 29... Rd2+ {
Theme: Double Attack} 30. R1g2 Rxc2 31. Rxc2 Rd3 (31... Qe4 $142 32. Rcg2 Qxf5
$19) 32. Rxd3 Nxf4 (32... Qe4 33. Rd8+ Nf8 34. Rdd2 $19) 33. Rg3 (33. Rd4 Qf3
34. Rdxc4 Qxh3+ 35. Kg1 Qxf5 $19) 33... f6 34. Bc1 Qe4 35. Rf2 Nh5 (35... Nd3
36. Re3 Qd4 37. Rfe2 Nxc1 38. Re8+ Kh7 39. R2e7 Qf2+ 40. Kh1 Qxf5 41. Kg1 Nxa2
42. Re2 $19) 36. Rg4 Qe5+ 37. Bf4 (37. Kg1 Qe1+ 38. Rf1 Qe2 $19) 37... Nxf4 (
37... Qxf5 38. Bg3 Qd3 39. Kg2 $19) 38. Rfxf4 c3 39. Kh1 (39. Kg1 c2 40. Rc4
Qe1+ 41. Kg2 c1=Q 42. Rxc1 Qxc1 $19) 39... Qe3 (39... c2 $142 $5 40. Rf1 Qc3
41. Re4 $19) 40. Kg2 c2 (40... c2 41. Rc4 c1=Q 42. Rxc1 Qxc1 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Ciro Sanchez, Jose"]
[Result "1-0"]
[PlyCount "29"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nc6 $15 4. b5 Nce7 5. e3 Nf6 6. Nf3 g6 (6... e4 7.
Bxf6 gxf6 8. Nd4 $15) 7. d4 $11 Nd7 (7... e4 $5 8. Nfd2 Bg7 $11) 8. Bd3 Bg7 9.
O-O exd4 (9... f5 10. c5 $14) 10. exd4 (10. Re1 O-O 11. exd4 d5 $14) 10... O-O
$14 11. Re1 Nc5 (11... d5 12. Ne5 $14) 12. Bc2 (12. Nc3 Nxd3 13. Qxd3 Bf5 $11)
12... d5 (12... Bg4 13. h3 (13. dxc5 $143 Bxb2 14. cxd6 Nc8 $17 (14... Bxa1 $2
15. dxe7 Qxd1 16. exf8=Q+ (16. Bxd1 $143 Rfe8 $17) (16. Rxd1 Rfe8 $15) 16...
Kxf8 17. Bxd1 $18)) 13... Bh5 14. g4 (14. dxc5 Bxb2 15. cxd6 Nc8 $17 (15...
Bxa1 16. dxe7 Qxd1 17. exf8=Q+ (17. Rxd1 $6 Rfe8 18. g4 Bxg4 19. hxg4 Rxe7 $16)
(17. Bxd1 $6 Rfe8 $16) (17. exf8=R+ $143 Kxf8 18. Bxd1 Re8 19. Rxe8+ Kxe8 $18)
17... Kxf8 18. Bxd1 $18)) 14... Bxg4 15. hxg4 $18) 13. Ba3 $16 (13. dxc5 $143
Bxb2 14. Nbd2 Bxa1 15. Qxa1 Re8 $17) 13... b6 (13... Ne6 14. cxd5 Nxd5 15. Bxf8
Qxf8 $18) 14. Ne5 (14. dxc5 $6 Bxa1 15. cxb6 Re8 16. Bxe7 Rxe7 17. Rxe7 Qxe7
18. Qxd5 c6 19. Qxc6 Bb7 $14) 14... Re8 $4 (14... Ne6 $142 15. cxd5 Nf4 $18)
15. dxc5 $18 (15. dxc5 dxc4 16. Qxd8 Rxd8 17. cxb6 axb6 18. Bxe7 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Jonge"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "105"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 (2... f6 3. a3 $15) 3. c4 (3. e4 Nf6 $15) 3... Be7 (3... Nc6
4. a3 $15) 4. e3 (4. Nc3 Nc6 $15) 4... a6 (4... Nf6 5. d4 $15) 5. Nf3 $11 Bf6 (
5... Bg4 6. d4 $11) 6. e4 (6. d4 Nc6 $11) 6... Nc6 $15 7. d4 (7. a3 Bg4 $11)
7... Bg4 (7... Nxb4 8. dxe5 dxe5 9. Nxe5 $17) 8. Be2 (8. d5 $5 Nd4 9. Bxd4 exd4
10. Bd3 $11) 8... Bxf3 $17 9. dxe5 $4 (9. Bxf3 Nxd4 10. Bxd4 exd4 11. e5 $11)
9... Bxe2 $19 (9... Bxg2 $6 10. Rg1 Bxe4 11. exf6 Nxf6 12. Rxg7 Nxb4 13. Na3
$19) 10. exf6 (10. Qxe2 Bxe5 11. Bxe5 dxe5 12. a3 $19) 10... Nxf6 (10... Bxd1
11. fxg7 Nxb4 12. gxh8=Q Nd3+ 13. Kd2 Nxb2 14. Qxg8+ Ke7 15. Qg5+ Kf8 16. Qh6+
Ke7 17. Rxd1 Nxd1 18. Kxd1 Qh8 19. Qg5+ Ke6 20. Qd5+ Ke7 $18) 11. Qxe2 $17 O-O
(11... Nxb4 $5 12. O-O O-O $17) 12. a3 Re8 13. Nc3 Nd4 (13... Qe7 14. f3 $15)
14. Qd3 $11 Nf5 (14... Nb3 15. Rd1 a5 16. O-O $16) 15. O-O-O (15. O-O $142 Ne7
16. Rfd1 $14) 15... Ng4 $2 (15... Ne7 16. c5 $11) 16. exf5 $14 Nxf2 17. Qg3
Nxh1 18. Rxh1 f6 19. Nd5 Kf7 (19... Kh8 20. Re1 Rxe1+ 21. Qxe1 $14) 20. Qh3 (
20. Re1 Rxe1+ 21. Qxe1 $16) 20... Rh8 $2 (20... Kg8 $142 $5 $14) 21. Qh5+ g6 (
21... Kg8 $142 $5 $16) 22. Qh4 $18 Rg8 $2 (22... a5 $18) 23. Qxh7+ (23. Bxf6
$143 Rh8 24. Bxd8 Kg8 $18) 23... Rg7 (23... Kf8 24. Bxf6 Qxf6 25. Nxf6 $18) 24.
fxg6+ Kf8 25. Qh8+ Rg8 26. g7+ Kf7 27. Qh6 Rxg7 (27... a5 28. Qh5+ Ke6 29. Re1+
Kd7 30. Qf7+ Kc6 31. Bxf6 Qb8 32. Ne7+ Kb6 33. Bd4+ c5 34. bxc5+ Ka6 35. Qxg8
Qxg8 36. Nxg8 Rxg8 37. cxd6 Rd8 38. Kd2 b5 39. c5 b4 40. axb4 axb4 41. c6 Kb5
42. c7 Ra8 43. d7 Ra2+ 44. Kc1 Ra8 45. d8=Q Ra1+ 46. Bxa1 Ka4 47. Qa8+ Kb5 48.
Re5+ Kb6 49. Qb8+ Kc6 50. c8=Q#) 28. Rf1 (28. Bxf6 Qg8 29. Bxg7 Qxg7 30. Rf1+
Kg8 31. Nf6+ Kf8 32. Nh5+ Ke7 33. Qxg7+ Ke6 34. Qf7+ Ke5 35. Qd5#) 28... Rg6
29. Qh7+ (29. Bxf6 $143 Rxh6 30. Bxd8+ Kg7 31. Bxc7 Re8 $18) 29... Rg7 30. Qf5
(30. Qxg7+ $1 Kxg7 31. Bxf6+ Qxf6 32. Nxf6 Rf8 33. Nh5+ Kg8 34. Rxf8+ Kxf8 $18)
30... Rg6 (30... Rxg2 31. Bxf6 Rc2+ 32. Qxc2 $18) 31. Nxf6 Rxf6 (31... Qc8 32.
Nd7+ Ke7 33. Qxg6 Kxd7 34. Qf5+ Kc6 35. Qd5+ Kb6 36. Bd4+ c5 37. Qxd6+ Ka7 38.
Bxc5+ Qxc5 39. Qxc5+ b6 40. Qc7#) 32. Bxf6 Qg8 (32... Qc8 33. Qh7+ Kf8 34. Qg7+
Ke8 35. Qe7#) 33. Bh4+ (33. Bh8+ Ke8 34. Re1+ Qe6 35. Qxe6+ Kf8 36. Rf1#) 33...
Kg7 34. Rf4 (34. Qd7+ Kh6 35. Rf6+ Qg6 36. Qxc7 $18) 34... Rf8 (34... Kh6 $18)
35. Rg4+ (35. Qg5+ Kh7 36. Qh5+ Kg7 37. Rg4#) 35... Kh6 $18 36. Rxg8 (36. Bg5+
Kg7 37. Be3+ Kh8 38. Bd4+ Qg7 39. Bxg7+ Kg8 40. Bd4#) 36... Rxf5 37. g4 Kh7 (
37... Rf3 38. Kb2 $18) 38. gxf5 Kxg8 39. Be7 (39. Bd8 c6 $18) 39... Kf7 40. f6
(40. Bd8 c6 $18) 40... c6 (40... b5 41. cxb5 axb5 42. Kd2 $18) 41. h4 b5 42. h5
(42. cxb5 cxb5 43. Kd2 d5 $18) 42... bxc4 43. h6 Kg6 44. h7 $1 Kxh7 {
A deflection} 45. f7 d5 46. f8=Q Kg6 47. Qe8+ (47. Qf6+ Kh7 48. Bf8 d4 49. Qg7#
) 47... Kf5 48. Qxc6 Ke4 49. Qxa6 (49. Qe6+ $142 Kd3 $18) 49... Kd4 50. b5 (50.
Qf6+ Ke4 $18) 50... Kc3 51. Bf6+ d4 52. b6 Kd3 53. b7 (53. b7 Ke2 54. Qxc4+ Kf3
55. Qd3+ Kg4 56. b8=Q Kh5 57. Qe5+ Kg4 58. Qef5#) 1-0

[Event "Zomer"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verkerk"]
[Result "*"]
[PlyCount "56"]
[EventDate "1994.??.??"]

1. b4 (1. Nf3 d5 $11) 1... e5 $15 2. Bb2 d6 (2... Nf6 3. Bxe5 Bxb4 4. Nc3 $15)
3. c4 (3. e3 Nf6 $15) 3... Be7 4. e3 (4. Nf3 Nf6 $15) 4... Bf6 (4... Nf6 5. d4
$15) 5. e4 (5. Be2 e4 6. Nc3 Nc6 $11) 5... b6 (5... Nc6 6. a3 $15) 6. Nc3 (6.
Nf3 Ne7 $11) 6... Ne7 7. Nf3 Bg4 (7... O-O 8. Be2 $11) 8. h3 Bxf3 9. Qxf3 O-O
10. Be2 (10. b5 a6 $14) 10... Nec6 (10... Nbc6 $142 $11) 11. Qd3 (11. Nd5 Bg5
$14) 11... a5 (11... Nxb4 12. Qb1 $15) 12. a3 (12. b5 $142 $5 Nd4 13. Bg4 $14)
12... axb4 $15 13. axb4 (13. Nd5 Na6 $15) 13... Rxa1+ 14. Bxa1 Nd7 (14... Nxb4
$142 $5 15. Qb1 N8c6 $15) 15. Nd5 $14 Nd4 16. Bxd4 (16. Bg4 Ne6 $14) 16... exd4
$11 17. O-O Ne5 {Black is in command} 18. Nxf6+ (18. Qb3 c6 19. Nxf6+ Qxf6 $11)
18... Qxf6 19. Qb3 (19. Qg3 Ra8 20. f4 Ng6 $11) 19... Qg6 (19... Qf4 20. Qc2
$11) 20. d3 c5 21. f4 Nc6 22. f5 (22. b5 Nb4 $11) 22... Qg3 $15 23. Rf3 (23.
bxc5 bxc5 24. Qd1 f6 $15) 23... Qe1+ $17 24. Bf1 Qxb4 25. Qd1 (25. Qxb4 Nxb4
26. f6 Rb8 $17) 25... Ne5 26. Rg3 (26. Rf2 b5 $17) 26... b5 (26... f6 27. Qa1
$17) 27. Qh5 (27. f6 $142 g6 28. Qc1 $15) 27... g6 (27... f6 $142 $5 28. Qh6
Rf7 29. cxb5 Qe1 $19) 28. Qh6 $11 {Threatening mate... how?} Kh8 $4 (28... Kh8
29. Qxf8#) (28... Nd7 $142 29. fxg6 fxg6 30. Rxg6+ hxg6 31. Qxg6+ Kh8 32. Qh6+
Kg8 33. Qg6+ Kh8 34. Qh6+ Kg8 35. Qg6+ $11) *

[Event "corr 3GMM-07"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Ciro Sanchez, Jose"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "56"]
[EventDate "1997.??.??"]

1. b4 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 g6 (4... Be7 5. f4 $15) 5. c4 Bg7 6. d3 (6.
Nf3 a5 7. Qa4+ Qd7 $11) 6... O-O (6... Na6 7. a3 $11) 7. Nc3 (7. Nf3 Be6 $11)
7... Re8 (7... Nc6 8. b5 Nd4 9. e3 $11) 8. Qc2 (8. Nf3 c5 9. b5 a6 $11) 8...
Nc6 $15 9. b5 (9. Qa4 Nd4 $15) 9... Nd4 10. Qd1 a6 11. e3 Ne6 12. Nge2 axb5 13.
cxb5 d5 14. O-O d4 15. exd4 exd4 {Opening the e-file gets Black a lot of play}
16. Ne4 Nxe4 17. Bxe4 (17. dxe4 Qd7 18. a4 d3 $15) 17... Ng5 (17... Nc5 18. Bf3
$17) 18. Bg2 $15 Bg4 19. f3 Bh3 (19... Bf5 20. g4 Bc8 21. Qd2 $15) 20. Bc1 (20.
Qc2 Bxg2 21. Kxg2 Qd7 $17) 20... Bxg2 (20... Bf5 21. Re1 Nh3+ 22. Kf1 $15) 21.
Kxg2 $15 Qd5 (21... Ne6 22. Re1 $15) 22. a4 Qf5 23. g4 (23. Qc2 Ne6 $15) 23...
Qe5 24. Re1 Qd5 (24... Ne6 25. Ng3 Nf4+ 26. Bxf4 Qxf4 27. Re4 $15) 25. Bxg5
Qxg5 26. Rc1 Re3 (26... Be5 $5 $17) 27. Rxc7 $11 Rae8 28. Nc1 $4 (28. Rc2 $142
$11) 28... Rxe1 $19 (28... Rxe1 29. Qb3 Qf4 30. Qxf7+ Qxf7 31. Rxf7 Kxf7 $19)
0-1

[Event "corr SOK-92-78"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Grehl, Siegfried"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "44"]
[EventDate "1992.??.??"]

1. b4 (1. Nf3 Nf6 $11) 1... e5 $15 2. Bb2 d6 (2... f6 3. a3 $15) 3. e4 Nf6 4.
Nc3 g6 (4... Nc6 5. a3 $11) 5. Nf3 $11 Bg7 6. Be2 (6. Bb5+ c6 7. Be2 Qb6 $11)
6... O-O 7. O-O Nc6 8. b5 (8. a3 Nd4 $11) 8... Ne7 (8... Nd4 9. Re1 $11) 9. Ne1
(9. Re1 a6 $14) 9... d5 $11 10. exd5 Nfxd5 (10... Nexd5 11. Nxd5 Nxd5 12. a4
$11) 11. Nxd5 (11. Ne4 f5 12. Nc5 Qd6 $11) 11... Nxd5 12. c4 (12. Rb1 Re8 $11)
12... Nf4 $15 13. Bf3 f5 (13... Qd6 14. Qc2 $15) 14. g3 Nh3+ 15. Kh1 e4 16.
Bxg7 Kxg7 17. Bg2 (17. Be2 Qd4 18. Kg2 f4 $17) 17... f4 $17 18. Bxh3 (18. Qc2
f3 19. Bxh3 Bxh3 20. Qc3+ Qf6 21. Qxf6+ Rxf6 $19) 18... Bxh3 19. Rg1 fxg3 (
19... Qd4 20. f3 $17) 20. Rxg3 Be6 21. Re3 (21. d3 $142 exd3 22. Qxd3 Rxf2 23.
Qe4 $17) 21... Rxf2 22. d3 (22. Ng2 Bxc4 23. Rxe4 Bxb5 24. Rf4 Rxf4 25. Nxf4
Bc6+ 26. Ng2 $19) 22... Rf1+ (22... Rf1+ 23. Kg2 Qf6 $19) 0-1

[Event "TKM/SF/2"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Johannes, Jan"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "64"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. Nc3 g6 5. Nf3 $11 Bg7 6. Bb5+ c6 7. Be2 O-O 8.
O-O Re8 9. b5 (9. Re1 d5 $11) 9... Nbd7 (9... d5 10. bxc6 d4 11. cxb7 Bxb7 12.
Nb5 $15) 10. Rb1 Nc5 11. bxc6 bxc6 12. d3 Ne6 13. Bc1 d5 14. exd5 cxd5 15. Bd2
(15. Nxe5 $143 Qc7 16. d4 Qxc3 $17) 15... d4 16. Ne4 Nd5 17. Nfg5 Nef4 {
(Black gets the initiative)} 18. g3 (18. Nf3 Qc7 $17) 18... Nxe2+ $17 19. Qxe2
f5 20. Nc5 Qd6 21. Nb3 Ba6 22. Rfe1 e4 23. Ba5 (23. Qf1 h6 24. Nh3 Qc6 $19)
23... Rac8 (23... Bf6 24. Nh3 $19) 24. Qd1 e3 25. Qe2 Bb7 26. Rec1 (26. Nf3 Nb6
27. Rbc1 Qc6 $19) 26... Bh6 27. h4 Bxg5 (27... Qc6 28. Qf3 exf2+ 29. Kh2 $19)
28. hxg5 f4 (28... Nf4 29. gxf4 Qxf4 $17) 29. g4 $4 (29. Nxd4 exf2+ 30. Qxf2
fxg3 31. Qf1 $19) 29... f3 $1 $19 30. Qf1 (30. Qxf3 Rf8) 30... exf2+ 31. Qxf2
Re2 32. Be1 Rxf2 (32... Rxf2 33. Bxf2 Qf4 34. Nd2 Qxg4+ 35. Kf1 Qg2+ 36. Ke1
Qh1+ 37. Nf1 Re8+ 38. Be3 Rxe3+ 39. Kd1 Qxf1+ 40. Kd2 Qe2#) 0-1

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Preuss, Guenter"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "112"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O Nc6 8. a3
Nd4 9. d3 Nxe2+ 10. Qxe2 (10. Nxe2 a5 (10... Re8 11. c4 (11. Ng3 a5 (11... Qe7
12. c4 c6 13. Re1 Be6 14. Qe2 a5 $11 {0.06/9}) (11... Bg4 12. h3 Bd7 13. c4 a5
14. Qd2 axb4 $11 {0.12/9}) 12. c4 axb4 13. axb4 Rxa1 14. Bxa1 Qe7 $11 {-0.03/9}
) (11. h3 Qe7 (11... c6 12. c4 Qd7 13. Qd2 h6 14. Qe3 Qe6 $11 {0.19/9}) (11...
Qd7 12. Qd2 Qc6 13. c4 a6 14. Qg5 Be6 $11 {0.03/9}) 12. c4 c6 13. Qc2 a5 14.
Bc3 axb4 $11 {0.03/9}) 11... c6 (11... Bg4 12. Ng3 a5 13. h3 Bd7 14. Qd2 axb4
$11 {0.12/9}) (11... a5 12. Qd2 Qe7 13. Bc3 axb4 14. axb4 Bd7 $11 {0.09/9}) 12.
Qd2 a6 13. a4 a5 14. b5 cxb5 $11 {0.09/9}) 11. c4 (11. Ng3 Re8 (11... Bg4 12.
h3 Be6 13. Qd2 c6 14. Rfb1 Qc7 $11 {0.00/9}) (11... Qe7 12. Qe2 Bg4 13. h3 Be6
14. c4 axb4 $11 {0.00/9}) 12. Qe2 Bg4 13. c4 Nh5 14. Nxh5 Bxh5 $11 {-0.13/9}) (
11. Nd2 axb4 (11... Re8 12. c4 axb4 13. axb4 Rxa1 14. Qxa1 Bh6 $11 {-0.03/9}) (
11... c6 12. Bc3 axb4 13. axb4 Rxa1 14. Qxa1 Bg4 $11 {0.06/9}) 12. axb4 Rxa1
13. Qxa1 c6 14. Kh1 Be6 $11 {-0.13/9}) 11... Qe7 (11... axb4 12. axb4 Rxa1 13.
Bxa1 c6 14. Bc3 Qb6 $11 {0.00/9}) (11... Bg4 12. Nd2 Bh6 13. h3 Be6 14. Qc2 Nh5
$11 {0.03/9}) 12. Nd2 Nh5 13. d4 f5 14. Re1 fxe4 $11 {-0.09/9}) 10... Nh5 (
10... Be6 11. d4 (11. Ng5 Bd7 (11... Bg4 12. Qe3 h6 13. Nf3 Be6 14. h3 g5 $11 {
0.00/9}) (11... Bc8 12. Bc1 Nh5 13. Nf3 Bg4 14. h3 Nf4 $11 {-0.13/9}) 12. Bc1
Nh5 13. Nf3 Bg4 14. h3 Nf4 $11 {-0.13/9}) (11. Rad1 Nh5 (11... Nd7 12. Qe3 h6
13. d4 exd4 14. Nxd4 Ne5 $11 {-0.03/9}) (11... Qe7 12. d4 exd4 13. Nxd4 Rae8
14. Rfe1 a6 $11 {0.00/9}) 12. Bc1 f5 13. Rfe1 fxe4 14. dxe4 h6 $11 {-0.06/9})
11... Ng4 (11... exd4 12. Nxd4 Qe7 13. Rfe1 a5 14. Nxe6 fxe6 $11 {0.12/9}) (
11... Nd7 12. d5 Bg4 13. h3 Bxf3 14. Qxf3 f5 $11 {0.12/9}) 12. d5 Bd7 13. h3
Nh6 14. Bc1 f5 $11 {0.00/9}) (10... Bg4 11. h3 (11. Qe3 Qe7 (11... h6 12. Rad1
Qe7 13. h3 Be6 14. Rfe1 a5 $11 {0.00/9}) (11... Be6 12. h3 Qe7 13. Nb5 Qd7 14.
c4 c6 $11 {0.06/9}) 12. h3 Be6 13. Rfe1 a5 14. d4 axb4 $11 {-0.09/9}) (11. Nd1
Nh5 (11... c6 12. Ne3 Be6 13. c4 a5 14. Bc3 axb4 $11 {0.09/9}) (11... Be6 12.
Ne3 a5 13. c4 Qe7 14. b5 c6 $11 {0.12/9}) 12. Ne3 Nf4 13. Qd1 Qd7 14. Nxg4 Qxg4
$11 {-0.22/9}) 11... Be6 (11... Bd7 12. Bc1 b5 13. Bg5 a5 14. Nd5 Be6 $11 {
0.03/9}) (11... Bc8 12. Bc1 Qe8 13. Be3 a6 14. Qd2 Qc6 $11 {0.19/9}) 12. Ng5
Bd7 13. Bc1 h6 14. Nf3 Be6 $11 {-0.06/9}) 11. Qe3 (11. Bc1 Bg4 (11... f5 12.
Bg5 Nf4 13. Qd2 Qd7 14. Bxf4 fxe4 $11 {0.19/9}) (11... Be6 12. Bg5 Qd7 13. Rae1
Qc6 14. Qd2 f5 $11 {-0.16/9}) 12. h3 Nf4 13. Qd1 Bh5 14. Bxf4 exf4 $15 {-0.31/9
}) (11. Qd1 Be6 (11... f5 12. Bc1 Nf6 13. Re1 a5 14. b5 Be6 $11 {-0.13/9}) (
11... a5 12. b5 f5 13. Bc1 Nf6 14. Rb1 Qe7 $11 {-0.09/9}) 12. Bc1 h6 13. Qe2 f5
14. Re1 Nf6 $11 {-0.16/9}) 11... f5 (11... Nf4 12. Ne2 Bg4 13. h3 Bh5 14. d4
Nxe2+ $11 {-0.19/9}) (11... Bg4 12. h3 Be6 13. d4 exd4 14. Nxd4 Bc4 $11 {
-0.03/9}) 12. h3 (12. d4 fxe4 13. Nxe4 d5 14. Ng3 Nxg3 $11 {-0.22/9}) 12...
fxe4 13. dxe4 Be6 14. Rfd1 (14. Rad1 a5 $15 {-0.47/9}) 14... Nf4 15. Nd5 Bxd5
16. exd5 Qf6 17. Kh2 Qf5 18. Ne1 Bh6 19. Qf3 Rf7 20. Qg4 e4 {
Black launches an attack} 21. Qxf5 Rxf5 22. c4 Ne2 23. f3 Re8 24. Ra2 Bf4+ 25.
Kh1 Ng3+ 26. Kh2 e3 27. Kg1 e2 28. Rd3 a6 29. Bd4 h5 30. a4 Rf7 31. Bf2 Nf1 32.
b5 a5 33. Rb3 b6 34. Nd3 Bh2+ 35. Kh1 Bg3 36. Kg1 Rfe7 37. Rb1 Bxf2+ 38. Kxf2
Ne3 39. Re1 Nd1+ 40. Kg1 Re3 41. Nf4 Nc3 42. Raa1 (42. Rc2 Nxa4 43. Ne6 Nc5 44.
Rcxe2 Rxe2 45. Rxe2 Nxe6 46. dxe6 Kg7 $17) 42... Kf7 43. Ne6 R8xe6 (43... h4
44. Kf2 (44. Nxc7 $2 Rc8 45. Kf2 Nd1+ 46. Raxd1 exd1=R 47. Rxd1 Ra3 $19) 44...
Nd1+ 45. Kg1 $11) 44. dxe6+ Kxe6 45. Kf2 Rd3 46. h4 Ke5 47. Rac1 (47. g3 Kd4
$17) 47... Kd4 48. Rc2 Kc5 49. g4 Kb4 50. Rexe2 (50. gxh5 gxh5 51. Rb2+ Kxc4
$19) 50... Nxe2 51. Kxe2 Rd4 52. Ke3 Rd1 53. gxh5 gxh5 54. f4 Re1+ 55. Kd4 (55.
Re2 Rxe2+ 56. Kxe2 Kxc4 $19) 55... Rf1 56. Ke3 Kxa4 (56... Kxa4 57. Rb2 Rh1 $19
) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verkerk, Jan"]
[Result "1-0"]
[PlyCount "39"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 (2... f6 3. a3 $15) 3. c4 (3. e4 Nf6 $15) 3... b6 (3... Nc6
4. a3 $15) 4. Nf3 Bb7 (4... Be6 5. Qa4+ Nd7 6. e4 $11) 5. e3 Be7 6. d4 exd4 7.
Bxd4 (7. exd4 Nf6 $11) 7... Bf6 (7... Nf6 8. Bd3 $11) 8. Nbd2 (8. Bd3 Nc6 9.
Qa4 Bxd4 10. exd4 Qe7+ 11. Kd2 Qf6 $14) 8... Nd7 (8... Nc6 9. Qa4 $11) 9. e4 (
9. Bd3 Bxd4 10. exd4 Qe7+ 11. Qe2 Qxe2+ 12. Bxe2 O-O-O $11) 9... Bxd4 (9... c5
10. Bxf6 Ngxf6 11. Bd3 $15) 10. Nxd4 $11 Ne7 (10... Ngf6 11. Bd3 $11) 11. Bd3
Ne5 12. N2f3 N7g6 (12... a5 13. b5 $11) 13. Nf5 Qf6 14. O-O O-O 15. Re1 (15.
Nxe5 Nxe5 16. f4 Nxd3 17. Qxd3 Rae8 $11) 15... Ba6 (15... Nf4 16. Nxe5 dxe5 17.
Qc2 $11) 16. b5 $14 Bc8 17. Be2 (17. N3d4 a6 $11) 17... Nxf3+ (17... Bxf5 18.
exf5 Qxf5 19. Nxe5 Nxe5 20. Qb1 $15) 18. Bxf3 $11 a5 (18... Ne5 $5 $11) 19. e5
$16 Bxf5 $4 (19... Qxf5 $142 20. Bxa8 Nxe5 $16) 20. exf6 $18 (20. exf6 Rae8 21.
Qd4 $18) 1-0

[Event "corr"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Stoel"]
[Result "1/2-1/2"]
[PlyCount "54"]
[EventDate "1994.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 b6 4. Nc3 a6 5. Nf3 Nf6 6. a3 Be7 7. e4 O-O 8. Be2
Bb7 (8... c5 9. bxc5 bxc5 10. O-O $11) 9. d4 (9. Qc2 Nc6 $11) 9... Nxe4 (9...
Bxe4 $143 10. Nxe4 Nxe4 11. dxe5 dxe5 12. Nxe5 $14) 10. Nxe4 Bxe4 11. Bd3 (11.
dxe5 c5 $11) 11... Bxd3 $15 12. Qxd3 exd4 13. Nxd4 (13. Bxd4 Nc6 14. O-O Bf6
$15) 13... Re8 (13... Bf6 $142 $5 $17) 14. O-O $15 Bf6 15. Rab1 (15. Rae1 c6
$15) 15... d5 (15... Bxd4 16. Bxd4 Nc6 17. Rfe1 $17) 16. Qf3 c6 (16... dxc4
$143 17. Qxa8 Bxd4 18. Rfd1 $14) 17. c5 (17. Rfd1 $142 $15) 17... Nd7 (17... a5
$5 $15) 18. Nxc6 $11 Qc7 19. Qxd5 Bxb2 (19... Rac8 20. Nd4 Re5 21. Qf3 bxc5 22.
Nf5 $11) 20. Rxb2 Nf6 (20... Rac8 21. Rd1 Nf6 22. Qd6 Qxd6 23. cxd6 Rxc6 24.
Kf1 $19) 21. Qd6 (21. cxb6 Qxb6 22. Qf3 $16) 21... Qxd6 $4 (21... Rac8 $142 22.
Qxc7 Rxc7 $11) 22. cxd6 $18 Kh8 (22... Re6 23. Ne7+ Kf8 24. Rd1 $16) 23. Rd1 (
23. f4 $142 $18) 23... Nd5 $4 (23... Rac8 $142 24. Ne7 Rcd8 $18) 24. Rbd2 (24.
d7 $142 Re6 25. d8=Q+ Rxd8 26. Nxd8 Nc3 $18) 24... Nc3 25. d7 Rf8 (25... Nxd1
26. dxe8=Q+ Rxe8 27. Rxd1 Kg8 $18) 26. Re1 (26. d8=Q Raxd8 27. Rxd8 Ne2+ 28.
Kf1 Ng3+ 29. hxg3 g5 30. Rxf8+ Kg7 $18) 26... Nb5 (26... f5 27. d8=Q Raxd8 28.
Nxd8 $18) 27. Re8 (27. d8=Q $142 Raxd8 28. Rxd8 Rxd8 29. Nxd8 $18) 27... Rfxe8
$11 1/2-1/2

[Event "2000A"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van der Made, J."]
[Result "0-1"]
[PlyCount "44"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 (2... f6 3. a3 $15) 3. c4 (3. e4 Nf6 $15) 3... Be6 4. e3 c6
(4... Nc6 5. b5 Na5 6. Qa4 $11) 5. Nf3 $11 h6 (5... Na6 6. a3 $15) 6. c5 (6. d4
d5 7. a3 e4 $11) 6... e4 (6... dxc5 7. bxc5 Bxc5 8. Qc2 $11) 7. Nd4 $11 d5 (
7... Bd5 $142 $5 $11) 8. Nxe6 $16 fxe6 9. Qh5+ Kd7 10. Qf7+ Qe7 11. Qf4 (11.
Qxe7+ $5 Nxe7 12. d3 $16) 11... Nf6 12. Be5 (12. d3 Kc8 $14) 12... Qd8 (12...
Kc8 13. d4 $11) 13. Nc3 Kc8 14. d3 exd3 15. Bxd3 Nbd7 16. O-O Nxe5 17. Qxe5 Qe7
18. Bg6 (18. b5 Nd7 19. Qd4 Qxc5 20. bxc6 bxc6 $11) 18... Nd7 19. Qd4 Qg5 20.
Bc2 Be7 21. f4 Qh5 (21... Qf6 22. Rad1 $11) 22. Qxg7 $4 (22. e4 $142 $14) 22...
Bf6 $19 (22... Bf6 23. Bg6 Bxg7 24. Bxh5 Bxc3 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bom, Jan"]
[Result "0-1"]
[PlyCount "56"]
[EventDate "1994.??.??"]

1. b4 d6 2. Bb2 e5 3. c4 (3. e4 Nf6 4. Nc3 Be6 $15) 3... Nc6 $15 4. b5 Nd4 5.
e3 Ne6 6. d4 Nf6 (6... exd4 7. Bxd4 Nxd4 8. exd4 Qe7+ 9. Be2 $11) 7. Nf3 (7.
dxe5 $142 $5 Ne4 8. Bd3 $14) 7... e4 $15 8. Nfd2 d5 (8... Be7 9. Nc3 Ng5 10.
Nd5 $11) 9. cxd5 Qxd5 10. Nc3 (10. Bc4 Qd6 $11) 10... Qf5 11. f3 (11. d5 $142
Nc5 12. Nc4 $11) 11... Ng5 (11... Qg5 12. Qe2 Qh4+ 13. g3 exf3 14. Nxf3 $11 (
14. gxh4 $143 fxe2 15. Bxe2 Bb4 $15) (14. Qxf3 $143 Qh6 $11)) 12. fxe4 (12. h4
$142 $5 Ne6 13. g4 $16) 12... Ngxe4 $11 13. Ncxe4 (13. Ndxe4 Nxe4 14. Qc2 Bb4
$18) 13... Nxe4 14. Nxe4 Qxe4 15. a3 (15. Qf3 Bb4+ 16. Kf2 Qc2+ 17. Qe2 Qe4 $11
) 15... Be7 (15... Qxe3+ $142 16. Qe2 Qxe2+ 17. Bxe2 Be6 $17) 16. Rg1 $4 (16.
Qf3 $142 Bh4+ 17. Kd2 $11) 16... Qxe3+ $19 17. Qe2 Qxg1 18. O-O-O (18. Qe5 Bg4
$19) 18... Qxh2 19. Re1 {Threatening mate: Qxe7} Qf4+ 20. Kb1 (20. Qd2 Qd6 $19)
20... Be6 (20... Bf5+ 21. Ka1 Qd6 22. Qf3 $19) 21. d5 Qf5+ 22. Ka1 Qxd5 23. Be5
(23. Bxg7 Rg8 24. Rd1 Qb3 $19) 23... O-O-O (23... Qb3 24. Qb2 Qa4 25. Bxc7 Bxa3
26. Rxe6+ fxe6 27. Qe2 Bd6+ 28. Kb2 Qa3+ 29. Kc2 Qa2+ 30. Kc3 Qxe2 31. Bxe2
Bxc7 32. Bg4 $19) 24. Qc2 {Threatening mate... how?} Rd7 25. g3 (25. Bxg7 Rhd8
26. Qf2 Qb3 $19) 25... Rhd8 (25... f6 $142 26. Bg2 Qxb5 27. Bf4 $19) 26. Bf4 (
26. Bxg7 Bxa3 27. Bf6 h5 $19) 26... g5 (26... Bf6+ 27. Kb1 $19) 27. Bc1 Bf6+
28. Bb2 Qa2# 0-1

[Event "2050"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bom, Jan"]
[Result "1-0"]
[PlyCount "75"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 (3. e3 Nf6 $15) 3... Bd7 (3... Nf6 4. Nf3 $15) 4. e3
Nf6 5. Nf3 Be7 6. Be2 (6. d4 e4 7. Nfd2 O-O $15) 6... O-O (6... e4 7. Nd4 $15)
7. O-O a5 (7... e4 8. Ne1 $15) 8. b5 $11 b6 (8... a4 9. d3 $11) 9. d4 e4 10.
Nfd2 c6 11. Nc3 (11. bxc6 Nxc6 12. Nc3 Bf5 $14) 11... d5 (11... cxb5 12. Ncxe4
bxc4 13. Nxf6+ Bxf6 14. Bxc4 $14) 12. a3 (12. cxd5 cxd5 13. Rc1 Be6 $14) 12...
Be6 (12... dxc4 13. Bxc4 cxb5 14. Nxb5 $14) 13. bxc6 $14 dxc4 (13... Nxc6 14.
cxd5 Bxd5 15. Qb1 $14) 14. Ncxe4 (14. Bxc4 $142 $5 Bxc4 15. Nxc4 Nxc6 16. Qb3
$14) 14... Nxe4 $11 15. Nxe4 Bd5 $2 (15... Nxc6 16. Qc2 b5 17. Nc5 Bxc5 18.
dxc5 $15) 16. Nd2 (16. Nc3 Nxc6 17. e4 (17. Nxd5 $6 Qxd5 18. Bf3 Qb5 $16) 17...
Bxe4 18. Nxe4 $18 (18. Bxc4 $6 Bf5 $14)) 16... b5 $14 17. Bf3 (17. a4 c3 18.
Bxc3 $14) 17... Nxc6 $16 18. e4 c3 $2 (18... Be6 $5 19. d5 Bg5 $16) 19. Bxc3
$18 (19. exd5 cxb2 20. dxc6 bxa1=R 21. Qxa1 Qc7 $17) 19... Bc4 (19... Be6 20.
d5 b4 21. axb4 (21. dxc6 bxc3 22. Nb1 Qxd1 23. Bxd1 Bf6 $15) 21... axb4 22.
Rxa8 (22. dxc6 bxc3 23. Rxa8 Qxa8 $15) (22. dxe6 $6 bxc3 23. Rxa8 Qxa8 24.
exf7+ Rxf7 $16) 22... Qxa8 23. Bb2 $18 (23. dxe6 $6 bxc3 24. exf7+ Rxf7 $16) (
23. dxc6 $143 bxc3 24. Nb1 Qxc6 $15)) 20. Nxc4 bxc4 21. d5 Na7 22. Qd4 {
Threatening mate... how?} Bf6 23. Qxc4 Bxc3 24. Qxc3 Nb5 25. Qe3 Rc8 26. Rfc1
Qf6 (26... Qe7 27. Be2 Nc7 28. Rc5 $18) 27. e5 Rxc1+ (27... Qh4 28. d6 $18) 28.
Rxc1 (28. Qxc1 $6 Qxe5 29. Qe1 Qxe1+ 30. Rxe1 Nxa3 $14) 28... Qh4 29. d6 Qd8 (
29... Qa4 30. Bc6 Rb8 31. e6 $18) 30. a4 (30. Qc5 Qg5 31. Rb1 Nxa3 $18) 30...
Nxd6 31. exd6 (31. Rd1 Nc4 32. Rxd8 Nxe3 33. Rxf8+ Kxf8 34. fxe3 Ke7 $18) 31...
Qxd6 32. Qc5 (32. Rd1 Qb4 33. Bc6 Rc8 $18) 32... Qd2 33. Rd1 Qb4 (33... Re8 34.
h3 (34. Rxd2 $4 Re1#) 34... Qb4 35. Qxb4 axb4 36. a5 $18) 34. Qxb4 axb4 35. Rb1
(35. a5 $142 $5 g5 $18) 35... Re8 36. Bc6 (36. a5 b3 $18) 36... Re5 (36... Re6
37. Bb5 Re4 38. a5 $18) 37. f3 Rc5 38. Rxb4 (38. Rxb4 g5 39. Rb8+ Kg7 40. Rc8
$18) 1-0

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Kukula"]
[Result "1-0"]
[PlyCount "25"]
[EventDate "1998.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 f5 4. e3 Nf6 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O (7... e4
8. Nd4 O-O 9. b5 c5 10. bxc6 Nxc6 $11) 8. Nc3 Nc6 9. b5 Ne7 10. Qb3 Kh8 11. c5
h6 (11... f4 12. cxd6 cxd6 13. exf4 exf4 14. Rae1 d5) 12. cxd6 cxd6 13. Rac1
$16 1-0

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Polderman"]
[Result "0-1"]
[PlyCount "56"]
[EventDate "1990.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 a6 5. a4 (5. d4 Nc6 $15) 5... g6 (5... Bf5
6. d4 $15) 6. Nf3 Bg4 (6... Bg7 7. d4 $11) 7. Be2 Bg7 8. Nc3 (8. O-O Nc6 $11)
8... O-O 9. O-O Nbd7 (9... c5 10. Qb3 $11) 10. h3 e4 $2 (10... Bf5 $142 $11)
11. Ng5 $4 (11. hxg4 $142 exf3 12. Bxf3 $18) 11... Bxe2 $15 12. Qxe2 (12. Nxe2
h6 13. Nxe4 Nxe4 14. Bxg7 Kxg7 15. d3 $19) 12... h6 $17 13. Ngxe4 (13. Ncxe4 $5
hxg5 14. Nxg5 $17) 13... Nxe4 $19 14. d4 Nxc3 15. Bxc3 Re8 16. Rfc1 c5 17. Qd2
(17. Qf3 Rb8 $19) 17... cxd4 (17... cxb4 18. Bxb4 Nf6 19. a5 $19) 18. Bxd4 Bxd4
(18... Ne5 19. f4 Nc6 20. Bxg7 Kxg7 21. b5 $19) 19. Qxd4 Nf6 (19... Ne5 20. Qd5
$19) 20. f3 (20. Qf4 a5 $19) 20... Rc8 (20... a5 21. Rcb1 $19) 21. Rd1 Re6 22.
Ra2 (22. a5 Qc7 23. Rac1 Rce8 $19) 22... Qe7 23. Rad2 (23. e4 Qc7 24. Rc2 a5
$19) 23... Rxe3 24. Kf2 (24. a5 Qe6 $19) 24... Re8 (24... Re6 25. Qf4 $19) 25.
g4 $6 (25. Qxd6 Re2+ 26. Rxe2 Qxe2+ 27. Kg1 Qc2 $19) 25... Re2+ (25... b5 26.
axb5 axb5 27. cxb5 $19) 26. Rxe2 (26. Kg1 $19) 26... Qxe2+ 27. Kg3 Qe5+ (27...
Re3 $142 28. Qxf6 Qxd1 $19) 28. Qxe5 dxe5 (28... dxe5 29. c5 e4 $19) (28...
Rxe5 $6 29. Rxd6 Kg7 30. a5 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Stoel, SJ."]
[Result "0-1"]
[PlyCount "71"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 Nf6 4. e3 a6 5. Nf3 Nbd7 (5... Nc6 6. a3 $15) 6.
Nc3 $11 c5 (6... e4 7. Ng5 a5 8. Ngxe4 axb4 9. Nxf6+ Nxf6 10. Nd5 Nxd5 11. cxd5
$11) 7. b5 (7. bxc5 e4 8. Ng5 Nxc5 $11) 7... Be7 (7... axb5 8. Nxb5 e4 9. Nh4
$15) 8. a4 (8. bxa6 Rxa6 9. Bd3 O-O $11) 8... a5 (8... axb5 $5 9. Nxb5 e4 $15)
9. Be2 Nb6 (9... O-O 10. O-O $11) 10. O-O O-O 11. Qc2 (11. d4 exd4 12. exd4 d5
13. Nxd5 Nbxd5 14. cxd5 cxd4 15. Qxd4 Qxd5 $14) 11... Bg4 12. d3 Qc7 13. Nh4
Qd7 (13... d5 14. Nxd5 Nfxd5 15. Bxg4 $19) 14. f4 Bxe2 15. Nxe2 (15. Qxe2 exf4
16. Rxf4 $17) 15... Ng4 $19 16. Nf3 Nxe3 17. Qc3 (17. Qb3 Nxf1 18. Rxf1 Bf6 $19
) 17... Nxf1 18. Rxf1 $2 (18. Kxf1 Rfe8 19. fxe5 dxe5 20. Nxe5 Qf5+ 21. Nf3 $19
) 18... Nxa4 19. Qc2 (19. Qd2 Nxb2 20. Qxb2 Qf5 $19) 19... Nxb2 20. Qxb2 exf4
21. Nxf4 Bf6 22. Qb1 a4 23. Nd5 Qd8 24. Nd2 (24. Qa2 Re8 $19) 24... Bd4+ 25.
Kh1 a3 26. Nb3 (26. Qa2 $19) 26... a2 27. Qc2 a1=Q 28. Nxa1 Rxa1 29. Rxa1 Bxa1
30. g3 (30. Qf2 Re8 $19) 30... Re8 31. Kg2 Bd4 32. Qd1 Qa5 33. Qg4 (33. b6 Qa2+
34. Kh1 Qf2 $19) 33... Qd2+ 34. Kh3 Qe2 (34... Bg1 $142 35. Qf5 $19) 35. Ne7+ (
35. Qxe2 Rxe2 36. b6 $19) 35... Qxe7 36. Qf3 0-1

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bremer, Henk"]
[Result "1/2-1/2"]
[PlyCount "75"]
[EventDate "1990.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 a6 5. Nf3 Bg4 (5... Nc6 $5 $15) 6. h3 Bh5 7.
Be2 (7. d4 d5 8. a3 e4 $15) 7... Be7 8. Nc3 O-O 9. O-O h6 (9... Nc6 10. a3 $11)
10. a3 c6 11. d4 e4 12. Nd2 Bxe2 13. Qxe2 d5 14. f3 exf3 15. Rxf3 dxc4 16. Qxc4
b5 17. Qe2 (17. Qd3 a5 $11) 17... Nbd7 (17... a5 18. bxa5 Rxa5 19. a4 $11) 18.
Raf1 (18. Nb3 Re8 $14) 18... Bd6 (18... a5 19. d5 $11) 19. e4 (19. Nde4 Qe7 20.
Nxd6 Qxd6 $11) 19... Nh5 (19... a5 $142 $5 $11) 20. e5 $16 Bc7 21. Rd3 Qg5 22.
Nde4 Nf4 23. Nxg5 $4 (23. Qd2 $142 Nxd3 24. Nxg5 Nxb2 25. Qxb2 hxg5 26. Ne4 $18
) 23... Nxe2+ $16 24. Nxe2 hxg5 25. Bc1 f6 26. e6 Nb6 27. Nc3 (27. Re3 Rae8 $16
) 27... Rae8 28. Re1 Re7 29. d5 (29. Kf2 Nd5 $16) 29... Nxd5 (29... Rd8 $142 $5
$11) 30. Nxd5 $16 cxd5 31. Rxd5 Rfe8 (31... Be5 $142 $11) 32. Kf2 (32. Rc5 $142
$5 $14) 32... Rxe6 33. Rxe6 Rxe6 34. Be3 Bb6 (34... Bg3+ $1 35. Kf3 Be5 $15)
35. Bxb6 $11 Rxb6 36. Kf3 (36. Rd7 Re6 $11) 36... Kf7 37. Kg4 (37. Rd7+ Kg6 $11
) 37... Kg6 38. Kf3 (38. Rd8 Rc6 $15) 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bom, Jan"]
[Result "0-1"]
[PlyCount "66"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 b6 4. e3 Nf6 5. Nf3 Bg4 (
5... h6 6. d4 e4 7. Nfd2 Bf5 (7... Bg4 8. Qc2 Bf5 9. Nc3 Nc6 10. d5 Nxb4 11.
Qa4+ Bd7 12. Qxb4 a5 13. Qa3 Qe7 14. Be2 O-O-O 15. O-O g5 16. Ndxe4 Bg7 17. Ng3
h5 18. Nb5 h4 19. Na7+ Kb8 20. Nf5 Bxf5 21. Nc6+ {
1-0 marre-koppler/internet 2010}) 8. Qa4+ Qd7 9. b5 Qe7 10. Nc3 Nbd7 11. Qa6
Qd8 12. Qb7 Qc8 13. Qc6 Rb8 14. Ndxe4 Qb7 15. Nxf6+ gxf6 16. e4 Bg6 17. f4 Qxc6
18. bxc6 Nc5 19. dxc5 bxc5 20. Rb1 {pierre (2140)-arok/chesshere.com 2007/1-0})
(5... g6 6. Be2 Bg7 7. O-O O-O 8. d3 Re8 9. Nbd2 Nh5 10. Ne4 f5 11. Ng3 Nxg3
12. fxg3 e4 13. dxe4 Bxb2 14. Qd5+ Be6 15. Qxa8 Bxa1 16. Rxa1 Nd7 17. Qxd8 Rxd8
18. Ng5 Re8 19. Nxe6 Rxe6 20. c5 {Dopper,J-Polderman/0-1 (35)}) 6. Be2 Nc6 $146
(6... g6 7. O-O Bg7 8. d4 Bxf3 9. Bxf3 e4 10. Be2 d5 11. Qa4+ Qd7 12. b5 a6 13.
Ba3 c6 14. bxc6 Qxc6 15. Qb3 Nbd7 16. Nc3 Bf8 17. cxd5 Nxd5 18. Nxd5 Qxd5 19.
Qxd5 {1-0 b4_player-opponent/gamecolony.com 2007}) (6... Be7 7. h3 Bxf3 8. Bxf3
g6 9. Bxa8 Na6 10. Bf3 Nxb4 11. Qa4+ Qd7 12. Qxb4 a5 13. Qb5 Qxb5 14. cxb5 O-O
15. Bc6 h5 16. Nc3 Kg7 17. Nd5 Nxd5 18. Bxd5 Bf6 19. O-O h4 20. Rad1 g5 21. d4
{Fuchs,K-Geisenhof,H/Darm Heinerfestpokal op 1995/1-0 (32)}) 7. h3 Bf5 8. d4 e4
9. Nfd2 d5 10. b5 Na5 11. a3 Be7 12. cxd5 Nxd5 13. Bg4 (13. Nc3 Nxc3 14. Bxc3
Nb7 $14) 13... Bg6 $11 14. Qc2 Nxe3 $2 (14... f5 $142 15. Be2 f4 16. Nxe4 fxe3
$11) 15. fxe3 $18 Bh4+ 16. Ke2 (16. Kd1 O-O $18) 16... O-O $2 (16... f5 17. Bc3
O-O 18. Bb4 $14) 17. Nc3 $4 (17. g3 $142 Bxg3 18. Nxe4 $18) 17... f5 $11 18.
Raf1 fxg4 19. Ncxe4 (19. Rxf8+ Kxf8 20. hxg4 Qg5 21. Rf1+ Kg8 22. Ndxe4 Qxg4+
23. Kd3 Qd7 $15) 19... g3 (19... Qd7 20. a4 gxh3 21. gxh3 c6 $15) 20. Qc3 (20.
Rxf8+ $142 Qxf8 21. Rc1 $15) 20... Qd5 $17 21. Qxc7 $4 (21. Qd3 $142 $17) 21...
Qxb5+ 22. Kd1 Qxb2 23. Nc4 (23. Qc3 Bh5+ 24. Rf3 $19) 23... Bh5+ 24. Rf3 Qb1+ (
24... Qxg2 $142 25. Ned2 Bxf3+ 26. Kc2 $19) 25. Kd2 Nb3+ (25... Qxh1 $142 26.
Rxf8+ Rxf8 27. Nxa5 Qd1+ 28. Kc3 Qc1+ 29. Kd3 Qxc7 30. Nb3 $19) 26. Kc3 Qxe4 (
26... Qxh1 $142 27. Rxf8+ Rxf8 28. Kxb3 Qb1+ 29. Kc3 Qxe4 30. Qe5 $19) 27.
Rxf8+ Rxf8 28. Kxb3 (28. Qe5 Nc5 $1 29. Qxe4 Nxe4+ 30. Kb4 Be7+ 31. Kb5 Be2 $19
) 28... Kh8 (28... Qd3+ $142 29. Kb4 a5+ 30. Kb5 $19) 29. Ne5 (29. Rc1 b5 30.
Ne5 Qxe3+ 31. Qc3 Qf2 $19) 29... Qxe3+ 30. Kb4 (30. Qc3 Qf2 $19) 30... a5+ (
30... Qxd4+ $142 31. Kb3 $19) 31. Kb5 Qb3+ 32. Ka6 Bd8 (32... Qd5 $5 33. Qc6
Be2+ 34. Ka7 Qxd4 35. Nd7 $19) 33. Qc6 (33. Qd6 Re8 34. Re1 Bf6 $19) 33... Be8
(33... Be8 34. Qd6 Bb5+ 35. Ka7 Re8 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Polderman"]
[Result "0-1"]
[PlyCount "70"]
[EventDate "1994.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 b6 4. e3 Nf6 5. Nf3 g6 6. Be2 (6. d4 e4 7. Nfd2 d5
$11) 6... Bg7 (6... e4 7. Nd4 $11) 7. O-O (7. d4 exd4 8. exd4 Nc6 $14) 7... O-O
(7... e4 8. Nd4 $11) 8. d3 (8. d4 e4 9. Nfd2 Be6 $14) 8... Re8 (8... c6 9. d4
$14) 9. Nbd2 (9. d4 exd4 10. Nxd4 Qe7 $14) 9... Nh5 (9... a6 10. d4 $11) 10.
Ne4 (10. d4 e4 11. Ne1 Nf6 $14) 10... f5 (10... Nf6 11. b5 $14) 11. Ng3 (11.
Nc3 Bb7 $14) 11... Nxg3 $11 12. fxg3 e4 (12... c6 $5 13. Qc2 e4 14. dxe4 Rxe4
15. Bxg7 Kxg7 $11) 13. dxe4 Bxb2 14. Qd5+ Be6 15. Qxa8 Bxa1 16. Rxa1 Nd7 (16...
Qe7 17. Rf1 $14) 17. Qxd8 $16 Rxd8 18. Ng5 Re8 19. Nxe6 (19. c5 Ne5 20. Nxe6
Rxe6 21. exf5 gxf5 22. cxb6 axb6 $18) 19... Rxe6 20. c5 (20. exf5 $142 gxf5 21.
Kf2 $16) 20... Rxe4 $15 (20... dxc5 $2 21. Bc4 Kf7 22. exf5 gxf5 23. Rd1 $16)
21. a3 (21. cxd6 $5 cxd6 22. Rd1 Rxb4 23. Rxd6 $15) 21... Rxe3 (21... bxc5 22.
Kf2 $17) 22. Kf2 Rc3 23. cxd6 cxd6 24. Bf3 (24. Rd1 Nf6 25. Bf3 Rxa3 26. Rxd6
Kf7 $17) 24... Nf6 (24... Ne5 25. b5 $19) 25. Rd1 $17 Ne8 (25... Rxa3 26. Rxd6
Ne4+ 27. Bxe4 fxe4 28. Re6 $17) 26. b5 (26. a4 a5 $17) 26... Rc8 (26... Rxa3 $5
27. Bc6 Kf8 $19) 27. a4 (27. Bc6 Kf7 $15) 27... Rd8 28. Bc6 (28. g4 fxg4 29.
Bxg4 Nf6 $15) 28... Nf6 $17 29. Kf3 d5 (29... Kf7 30. Kf4 $17) 30. Kf4 (30. g4
fxg4+ 31. Kf4 Kf7 $15) 30... d4 31. h3 d3 (31... Nd5+ $142 32. Bxd5+ Rxd5 $17)
32. Ke5 $2 (32. Ke3 Nd5+ 33. Bxd5+ Rxd5 34. Rxd3 Rxd3+ 35. Kxd3 Kf7 $15) 32...
Kf7 (32... Ne4 33. Kf4 Nc3 34. Rd2 Nxa4 35. Ke3 $19) 33. g4 (33. Kf4 $5 $17)
33... fxg4 $19 34. Rf1 (34. Kf4 $19) 34... Kg7 35. Rxf6 d2 (35... d2 36. Rf1
d1=Q 37. Rxd1 Rxd1 $19) 0-1

[Event "corr TKM/A004"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Andersson, Egart"]
[Result "1-0"]
[PlyCount "53"]
[EventDate "2000.??.??"]

1. b4 d6 2. Bb2 Nf6 3. e3 Nbd7 4. c4 e5 5. Nc3 c6 6. d4 $146 (6. Be2 d5 (6...
g6 7. h4 h6 8. Qc2 Bg7 9. Nh3 Nf8 10. a4 a5 11. b5 Bf5 12. d3 Ne6 13. f3 Bxh3
14. Rxh3 Qb6 15. Qd2 d5 16. bxc6 bxc6 17. cxd5 Nxd5 18. Nxd5 cxd5 19. Ba3 d4
20. exd4 Nxd4 21. Ra2 {Andersen,E-Stewart,T (2010)/Lyngby mT 1996/1/2-1/2 (49)}
) 7. cxd5 cxd5 8. Qb3 d4 9. exd4 exd4 10. Nb5 Be7 11. Nf3 a6 12. Nbxd4 O-O 13.
O-O b5 14. Nc6 Qe8 15. Rae1 Bb7 16. Bxb5 axb5 17. Nxe7+ Kh8 18. Ng5 h6 19. f4
hxg5 20. Qh3+ Nh7 {miehnekort-ed4nava/Yahoo! 2005/1-0}) (6. Rc1 Be7 7. d4 O-O
8. Nf3 e4 9. Nd2 d5 10. Qb3 Nb6 11. c5 Nbd7 12. b5 Re8 13. Qa4 Qc7 14. h3 Nf8
15. b6 Qb8 16. bxa7 Rxa7 17. Qb3 Ng6 18. Na4 Be6 19. Nb6 Nd7 20. a4 f5 {
Skrivanek,J (2225)-Malac,P (2095)/Czechia KP-chTA 2007/0-1 (65)}) 6... h6 (6...
Be7 7. Nf3 $11) 7. Nf3 Qc7 (7... e4 8. Nd2 $11) 8. Bd3 $14 Be7 9. O-O Nb6 10.
c5 Nbd7 11. cxd6 Qxd6 12. Nb5 cxb5 13. dxe5 Qxb4 14. exf6 Qxb2 15. fxe7 a6 16.
Rc1 (16. Nd4 $142 $14) 16... Qxa2 $2 (16... Kxe7 $142 17. Rc2 Qf6 $14) 17.
Rxc8+ $1 $18 Rxc8 18. Bf5 Nf6 19. Qd6 Qc4 (19... Qd5 20. Bd7+ $3 Nxd7 21. Qxd5
Kxe7 22. Qxb7 $18) 20. Bxc8 Qxc8 21. Rd1 Nd7 22. Ne5 f6 23. Nxd7 (23. Qxd7+ $6
Qxd7 24. Nxd7 Kxe7 $16) 23... Kf7 24. Nf8 Rxf8 (24... Qc6 25. Qd3 Rxf8 26.
exf8=R+ Kxf8 27. Qd8+ Kf7 28. Rd7+ Kg6 29. h3 $18) 25. exf8=R+ Qxf8 26. Qd5+
Ke7 (26... Kg6 $18) 27. Qd7# 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Oorschot, Ad"]
[Result "1/2-1/2"]
[PlyCount "77"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Be6 4. e3 Nf6 5. Nf3 Nbd7 6. Be2 g6 (6... d5 $5 7.
cxd5 Nxd5 8. Nxe5 Nxe5 9. Bxe5 f6 $11) 7. O-O $11 Bg7 8. d4 exd4 9. Nxd4 Qe7
10. Nxe6 Qxe6 11. Qc2 (11. Nc3 O-O-O $14) 11... O-O 12. Nd2 (12. Bf3 c6 $14)
12... d5 (12... a5 13. a3 $14) 13. a3 (13. cxd5 Nxd5 14. Bxg7 Kxg7 $14) 13...
c6 14. Nf3 Ne4 (14... Rfd8 15. Rfd1 $14) 15. Bxg7 Kxg7 16. Nd4 Qf6 17. Rae1 (
17. cxd5 cxd5 18. Qc7 Ne5 $16) 17... Rfe8 18. cxd5 cxd5 19. Qc7 Qd6 (19... Re7
$16) 20. Nb5 (20. Qxb7 a5 21. Bb5 Red8 $18) 20... Qe6 (20... Qc6 21. Rc1 Qe6
22. Nd4 $18) 21. Rc1 (21. Qxb7 Reb8 22. Qc7 $16) 21... a6 $18 22. Nd4 Qe7 23.
Qxb7 Nd6 (23... Ndf6 $142 24. Rc7 Qf8 $18) 24. Qxd5 Nf6 25. Qb3 (25. Qf3 a5 $18
) 25... Rac8 (25... a5 26. Nc6 a4 27. Qc3 $18 (27. Nxe7 $6 axb3 28. Rc7 Rxa3
$14)) 26. Bxa6 Rxc1 27. Rxc1 Nde4 28. Rc8 Rxc8 29. Bxc8 Qc7 30. Qc2 Nc3 31. Be6
Nfe4 32. Bd5 (32. a4 Qb6 33. Bxf7 Kxf7 34. Qb3+ Ke7 $18) 32... Nd6 $4 (32...
Nxd5 33. Qxc7 Nxc7 34. a4 $14) 33. a4 (33. Bc6 Ndb5 34. Nxb5 Qxc6 35. a4 $18)
33... Nxd5 $16 34. Qxc7 Nxc7 35. Kf1 Kf6 36. Ke2 (36. a5 Ke5 $16) 36... Nc4 (
36... Nd5 $142 $5 $11) 37. a5 $16 Na6 (37... Nd5 $5 38. Nc6 Ne5 39. Nxe5 Kxe5
$16) 38. b5 $18 Nc5 39. a6 1/2-1/2

[Event "corr or03-027"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Hjortstam, Kurt"]
[Result "*"]
[PlyCount "54"]
[EventDate "2003.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 Be7 5. Nf3 O-O 6. d4 e4 7. Nfd2 d5 8. cxd5
Bxb4 9. Bc4 Nbd7 10. Qb3 Qe7 11. a3 Bxd2+ 12. Nxd2 Nb6 13. a4 Rd8 14. Be2 (14.
Ba3 $142 $5 Qd7 15. Rc1 $15) 14... Nbxd5 (14... Nfxd5 $143 15. a5 $16) 15. O-O
a5 16. Ba3 Qe8 17. Rfc1 Bd7 18. Bb2 (18. Qxb7 Rdb8 (18... Bxa4 $6 19. Bc4 $17)
19. Rxc7 Rxb7 20. Rxb7 Bc6 $19) 18... Qe6 (18... Rab8 19. Nc4 b6 20. Qc2 $17)
19. h3 (19. Qxb7 Rdb8 20. Qxa8 Rxa8 21. Rc5 $19) 19... Qf5 20. Rab1 (20. Qxb7
$4 Rdb8 21. Rxc7 Nxc7 (21... Rxb7 $143 22. Rxb7 Qg6 23. Kh2 $19) 22. Qxc7 Rxb2
$19) 20... Qg5 21. Kf1 b6 22. Ba3 Be6 23. Nc4 Rac8 24. Qb5 (24. Qc2 Qg6 $17)
24... Nd7 (24... c6 25. Qb3 Rc7 26. Qc2 $17) 25. Qc6 Nb8 26. Qb7 f5 27. Rb5 (
27. Ne5 f4 28. exf4 Qxf4 $19) 27... f4 *

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Verduyn den Boer, Jan"]
[Result "0-1"]
[PlyCount "78"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 (2... f6 3. a3 $15) 3. c4 (3. e4 Nf6 $15) 3... Nf6 (3... Nc6
4. a3 $15) 4. e3 (4. Nf3 Nc6 $15) 4... Be7 (4... Nc6 5. a3 $17) 5. Nf3 (5. d4
d5 $15) 5... b6 (5... Na6 6. a3 $15) 6. Be2 (6. b5 e4 7. Nd4 O-O $15) 6... Nbd7
(6... e4 7. Nd4 $15) 7. O-O $11 c5 (7... e4 8. Nd4 O-O 9. f3 $11) 8. b5 (8.
bxc5 Nxc5 9. d4 exd4 10. exd4 Nce4 $14) 8... O-O (8... e4 9. Ng5 h6 10. Nh3 $11
) 9. d4 Qc7 (9... e4 10. Nfd2 $11) 10. d5 (10. Bd3 e4 $19) 10... a6 11. a4 (11.
bxa6 Re8 $11) 11... Bb7 (11... e4 12. Nfd2 $11) 12. Nc3 Qc8 (12... e4 13. Nd2
Ne5 14. Ndxe4 Nxe4 15. Nxe4 $16) 13. e4 Nh5 (13... Qd8 14. Qd3 $11) 14. Nd2 (
14. bxa6 Bxa6 15. a5 bxa5 16. Rxa5 Nf4 $11) 14... Nf4 $11 15. Nf3 (15. Bg4 Nd3
16. bxa6 Bxa6 $14 (16... Nxb2 17. axb7 Qxb7 18. Qb3 $16) (16... Rxa6 $143 17.
Rb1 $14)) 15... Qd8 (15... f5 16. Re1 $11) 16. Bc1 Nxe2+ 17. Nxe2 (17. Qxe2 f5
$11) 17... axb5 $15 18. cxb5 f5 19. exf5 (19. Qc2 Nf6 20. a5 fxe4 $19) 19...
Rxf5 (19... e4 20. Ne1 $15) 20. Ng3 Rf7 21. Ne4 h6 (21... Nf6 22. Nxf6+ Bxf6
23. Re1 $15) 22. Ra3 (22. Re1 Nf6 23. Nxf6+ Bxf6 $15) 22... Nf6 $15 {
The isolani on d5 becomes a target} 23. Nxf6+ Rxf6 (23... Bxf6 24. Re1 $15) 24.
Re3 (24. Re1 Qd7 $11) 24... Rf4 $15 25. Ra3 Rf6 (25... Rf5 26. Qc2 e4 27. Qxe4
Rxd5 28. Re1 $11) 26. Re1 (26. Re3 Qd7 $11) 26... Qf8 (26... Qd7 27. Rc3 $11)
27. Re4 (27. Rc3 Qf7 28. Rd3 c4 $17) 27... Rg6 (27... Qf7 28. Rd3 $15) 28. Nh4
(28. Rc3 Qf7 29. Rd3 Rf6 $15) 28... Bxh4 $15 {Black gets in control} 29. Rxh4
Qf7 30. Rd3 Rf8 {Threatening mate: Qxf2} 31. Be3 Bc8 32. h3 (32. Rc4 Bh3 33. g3
Bf5 $15) 32... Qf6 $15 33. Rh5 Bd7 34. f3 $2 (34. Rc3 $5 $15) 34... Be8 (34...
Qxf3 35. Qxf3 Rxf3 $19) 35. Bf2 $2 (35. f4 $142 $5 $17) 35... Rxg2+ $1 $19 36.
Kxg2 Bxh5 37. Qe2 (37. Rc3 e4 $1 38. Qd2 Bxf3+ 39. Kh2 Ra8 $19) 37... Re8 (
37... Qg5+ 38. Kh1 $19) 38. Qe3 (38. Rc3 e4 $1 39. Qc4 e3 $19 (39... Bxf3+ $6
40. Kf1 $19)) 38... Qg6+ {Black plans e4} 39. Bg3 (39. Kh2 Rf8 40. Qe2 e4 41.
Qxe4 Qxe4 42. fxe4 Rxf2+ 43. Kg3 Re2 $19) 39... e4 (39... e4 40. fxe4 Rxe4 $19)
0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Kramer, Piet"]
[Result "1-0"]
[PlyCount "101"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 (2... f6 3. a3 $15) 3. c4 (3. e4 Nf6 4. Nc3 Be6 $15) 3...
Nf6 4. e3 Be7 5. Nf3 Bg4 (5... Na6 6. a3 $15) 6. Be2 (6. d4 d5 7. a3 e4 $15)
6... O-O (6... Nc6 7. d4 e4 8. Nfd2 Bxe2 9. Qxe2 Nxb4 10. O-O $17) 7. h3 Be6 8.
Ng5 Qd7 (8... a5 9. Nxe6 fxe6 10. b5 $11) 9. Nxe6 $11 Qxe6 10. d3 (10. O-O Nc6
$11) 10... c6 (10... d5 11. a3 $15) 11. g4 (11. O-O d5 12. a3 dxc4 13. dxc4 Rd8
$11) 11... d5 $15 12. g5 (12. a3 dxc4 13. dxc4 Rd8 $15) 12... Ne8 (12... Bxb4+
13. Nc3 d4 14. exd4 exd4 15. gxf6 dxc3 16. O-O cxb2 17. Rb1 Qxf6 18. Qb3 $19)
13. Bg4 (13. a3 $142 dxc4 14. dxc4 $15) 13... Qd6 (13... Bxb4+ $142 $5 14. Nd2
f5 15. gxf6 Qxf6 $17) 14. c5 $11 Qd8 (14... Qc7 15. h4 $11) 15. h4 (15. Bxe5
Na6 $14) 15... f6 (15... f5 16. gxf6 Bxf6 17. Be6+ Kh8 18. Nc3 $11) 16. Nd2 (
16. Be6+ Kh8 $11) 16... d4 (16... f5 $5 17. Be2 Nd7 $11) 17. Be6+ $14 Kh8 18.
g6 (18. exd4 exd4 19. g6 Nc7 $14) 18... h6 (18... dxe3 $142 $5 19. fxe3 Qxd3
$17) 19. Nf3 (19. exd4 Nc7 20. Bc4 exd4 $14) 19... Nc7 $11 20. Bf5 (20. Bc4
dxe3 21. fxe3 Nd5 $11) 20... Nd5 21. exd4 exd4 (21... Nxb4 $5 22. Qb3 N8a6 $11)
22. Nxd4 $14 Re8 (22... Nxb4 23. Ne6 Qd5 $19) 23. Ne6 $16 Qd7 (23... Bf8 24.
O-O Qe7 25. Qg4 $16) 24. Nxg7 $18 Bf8+ $4 (24... Bxc5+ 25. Nxe8 Bxb4+ 26. Ke2
Qxf5 27. Nxf6 Nxf6 $17) 25. Nxe8 Qxe8+ 26. Qe2 Qxe2+ (26... Qd8 27. Rg1 $18)
27. Kxe2 Kg7 28. h5 (28. Bc8 Na6 29. Bxb7 Re8+ 30. Kd2 Ndxb4 $18) 28... Nxb4
29. Bd4 Nc2 30. Be3 Nxa1 31. Rxa1 Na6 32. d4 Nb4 (32... Re8 33. Rb1 Re7 34. Bc8
$18) 33. a3 (33. Rb1 $142 a5 34. a3 $18) 33... Nc2 (33... Nd5 34. Re1 $18) 34.
Ra2 (34. Bxc2 $142 Re8 35. Rb1 $18) 34... Nxe3 35. fxe3 a5 (35... b6 36. Rb2
Rb8 37. Be4 $18) 36. Rb2 Ra7 (36... Rb8 37. Rb6 $18) 37. Bc8 a4 (37... Be7 38.
Bxb7 f5 39. Kf3 $18) 38. Rxb7+ (38. Bxb7 $5 f5 $18) 38... Rxb7 39. Bxb7 Be7 40.
Bxc6 f5 41. Bxa4 Bd8 42. Bd7 Kf6 43. a4 (43. d5 Ba5 $18) 43... Bc7 44. Bxf5 $1
Kg7 (44... Kxf5 {Theme: Deflection from g7} 45. g7) 45. e4 Bd8 (45... Kf6 46.
d5 $18) 46. e5 Kg8 (46... Bc7 47. Ke3 $18) 47. Kd3 (47. d5 Be7 48. Be6+ Kf8 $18
) 47... Kg7 (47... Bc7 48. Be6+ Kf8 49. Ke4 $18) 48. Ke4 Bc7 (48... Kf8 49. d5
$18) 49. d5 Kf8 50. d6 Bd8 51. c6 (51. c6 Ke8 52. c7 Bxc7 53. dxc7 Kf8 54.
c8=Q+ Kg7 55. Qd7+ Kg8 56. Be6+ Kf8 57. g7#) 1-0

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "de Jonge, Adrie"]
[Result "1-0"]
[PlyCount "29"]
[EventDate "1994.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 Be7 5. Nf3 Bg4 6. Be2 Nbd7 7. h3 Bh5 (7...
Bf5 8. O-O $15) 8. O-O $11 h6 (8... e4 9. Nd4 Bxe2 10. Qxe2 $15) 9. Nh4 (9. Nc3
$142 $11) 9... Nf8 (9... Bxe2 $5 10. Qxe2 d5 $11) 10. Bxh5 (10. Nf5 Bg6 11.
Nxg7+ Kd7 $16) 10... Nxh5 11. Qxh5 Bxh4 12. f4 g6 (12... e4 13. Bxg7 Rg8 14.
Bd4 $16 (14. Qxh6 $2 Rxg7 15. Qxg7 Bf6 $19)) 13. Qf3 b6 $2 (13... Qf6 $142 $5
$16) 14. fxe5 $18 Rg8 $4 (14... Rh7 $18) 15. Qxf7# 1-0

[Event "?"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van der Westen, J."]
[Result "0-1"]
[PlyCount "82"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. e3 Nf6 4. Nf3 Bg4 5. Be2 Be7 6. c4 Nbd7 7. O-O $11
O-O 8. d4 e4 9. Nfd2 Bxe2 10. Qxe2 c6 (10... d5 11. a3 dxc4 12. Nc3 $11) 11.
Nc3 d5 12. a3 b6 (12... a5 13. b5 $11) 13. f3 c5 (13... exf3 14. Qxf3 a5 15.
bxa5 Rxa5 16. cxd5 cxd5 17. Nb3 $14) 14. bxc5 (14. fxe4 dxe4 15. bxc5 Rb8 $16)
14... bxc5 (14... exf3 15. Rxf3 (15. gxf3 $143 bxc5 16. Nxd5 Nxd5 17. cxd5 Bf6
$14) (15. Qxf3 $6 bxc5 16. Nxd5 Nxd5 17. Qxd5 Rb8 $16) 15... dxc4 16. c6 $18 (
16. Qxc4 bxc5 17. d5 Ne5 $17)) 15. cxd5 (15. Nxd5 Nxd5 16. cxd5 exf3 17. Qxf3
Rb8 $16) 15... cxd4 16. exd4 exf3 17. Nxf3 Bd6 18. a4 (18. Rae1 Nb6 $14) 18...
Re8 19. Qd2 Bb4 20. Qg5 Bxc3 (20... Nb6 21. Rae1 $11) 21. Bxc3 Ne4 (21... Nb6
22. Rae1 $11) 22. Qxd8 $14 Raxd8 23. Bb4 (23. Ba5 Rc8 $14) 23... Ndf6 24. Ne5
Rxd5 25. Nc6 Rd7 26. Rf5 Nd5 27. Re5 {Threatening mate: Rxe8} Rxe5 28. Nxe5 Rb7
29. Rc1 {The mate threat is Rc8} h6 30. Be1 (30. Bc5 Nec3 31. Ra1 f6 $11) 30...
Nf4 (30... Kf8 31. Rc8+ Ke7 32. Kf1 $15) 31. Kf1 (31. Rc8+ Kh7 32. Kf1 Rb2 $11)
31... f6 32. Nf3 (32. Rc8+ Kh7 33. Nc6 Rb2 $11) 32... Rb2 33. Rc8+ Kh7 34. g3 (
34. Ra8 Nxg2 35. Rxa7 Ne3+ 36. Kg1 Rg2+ 37. Kh1 Nf2+ 38. Bxf2 Rxf2 $19) 34...
Nd5 $15 35. Re8 Ne3+ 36. Kg1 f5 37. Nh4 (37. Nd2 Nxd2 38. Rxe3 Ne4 $11) 37...
Rb1 {Threatening mate... how?} 38. Nf3 Rb2 (38... a6 39. h3 $15) 39. Nh4 $17
Re2 {Do you see the mate threat?} 40. Ba5 (40. Nf3 Rg2+ 41. Kh1 a6 $15) 40...
Ra2 {Do you see the mate threat?} 41. Nxf5 $4 (41. h3 $142 $17) 41... Ra1+ (
41... Ra1+ 42. Be1 Rxe1#) (41... Nxf5 $6 42. Rxe4 Rxa4 43. Bc3 $11) 0-1

[Event "corr SOK-92-78"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Fehr, Wolfgang"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "60"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 Nf6 $15 4. g3 g6 (4... Be7 5. Bg2 $15) 5. Bg2 $11
Bg7 6. d4 (6. Nf3 a5 $11) 6... Nc6 (6... exd4 7. Bxd4 Nc6 8. Bc3 $15) 7. Bxc6+
$11 bxc6 {Black gets strong initiative} 8. dxe5 Nd7 9. f4 (9. Nf3 dxe5 10. e4
Rb8 $11) 9... dxe5 10. Nf3 Qe7 (10... Rb8 11. Nxe5 Nxe5 12. Qxd8+ Kxd8 13. Bxe5
Bxe5 14. fxe5 Rxb4 15. Nd2 $11) 11. Qa4 O-O 12. a3 (12. fxe5 Nxe5 13. Nxe5 Bxe5
$17) 12... Bb7 13. Nxe5 Nxe5 14. fxe5 Bxe5 15. Nc3 (15. Bc3 $5 $15) 15... Rfe8
{The mate threat is Bxc3} 16. O-O-O (16. Qc2 c5 17. Nd5 Bxd5 18. cxd5 cxb4 19.
Bxe5 Qxe5 $17) 16... Qg5+ 17. Rd2 Bxc3 (17... c5 18. Rhd1 $17) 18. Bxc3 Rxe2
19. Qd1 (19. Rhd1 $142 c5 20. Bf6 $17) 19... Rxd2 (19... Re3 $142 20. Qc2 c5
$17) 20. Qxd2 $14 (20. Bxd2 $143 Qf6 21. Kb1 c5 $19) 20... Qxd2+ 21. Bxd2 c5
22. Re1 cxb4 23. axb4 Bf3 24. Kb2 (24. Re7 c6 $11) 24... a6 25. Ka3 (25. Re3
Bg2 $11) 25... Rd8 26. Bc3 Kf8 27. Re3 Bc6 (27... Bg4 28. Bf6 Rd2 29. Re7 Rd3+
30. Kb2 $17) 28. Re5 (28. Bf6 Rd2 $11) 28... Bb7 (28... Rd3 29. Kb2 $11) 29.
Ka4 (29. Rc5 c6 $11) 29... Rd3 30. Kb3 f5 1/2-1/2

[Event "corr ICCF TT-4-90"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Bendig, Frank"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "80"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 Nf6 $15 4. g3 g6 (4... Be7 5. Bg2 $15) 5. Bg2 $11
Bg7 6. d4 (6. Nf3 a5 $11) 6... exd4 $15 7. Bxd4 c5 (7... Nc6 8. Bxc6+ bxc6 9.
Nf3 $15) 8. Bc3 (8. Bb2 cxb4 9. Qa4+ Qd7 10. Qxb4 Nc6 $11) 8... cxb4 $15 9.
Bxb4 {Attacking the isolated pawn on d6} (9. Qa4+ Nc6 10. Bxb4 Ne4 11. Bxe4
Bxa1 12. Bxc6+ bxc6 13. Qxc6+ Bd7 14. Qxd6 Rc8 $15) 9... Ne4 $5 10. Bxe4 (10.
Nd2 Nxf2 11. Kxf2 Qb6+ 12. Ke1 Qxb4 $11) 10... Bxa1 $17 11. Qxd6 (11. Nc3 Bb2
$17) 11... Qxd6 12. Bxd6 Nc6 13. Nf3 Bg7 (13... Be6 14. Bxc6+ bxc6 15. Be5 Bxe5
16. Nxe5 $17) 14. O-O (14. Nbd2 h6 $17) 14... Be6 15. Nbd2 O-O-O 16. Bf4 Nd4 (
16... h6 17. Rb1 $17) 17. Nxd4 Rxd4 18. Bd3 f5 19. Rb1 Rdd8 20. Nf3 Rhe8 21.
Ng5 (21. h3 Rd7 $17) 21... Bg8 22. a4 Be5 (22... h6 23. Nf3 $17) 23. Bd2 (23.
Bxe5 Rxe5 24. Nf3 Ra5 $17) 23... Kb8 (23... h6 24. Nf3 Bg7 25. h4 $17) 24. Rb5
(24. c5 Kc8 $17) 24... Bd6 (24... Bg7 25. Bf4+ Ka8 26. Nf3 $17) 25. a5 (25. c5
Be7 $15) 25... Rc8 26. Be3 (26. a6 $5 b6 27. Bb4 $19) 26... h6 $19 27. Nf3 (27.
a6 Rxe3 (27... hxg5 $6 28. Rxb7+ Ka8 29. Rxa7+ Kb8 30. Rb7+ Ka8 31. Ra7+ Kb8
32. Rb7+ Ka8 33. Ra7+ $11) 28. fxe3 hxg5 29. Rxb7+ Ka8 $17) 27... Bxc4 28. Bxc4
Rxc4 29. Bxh6 (29. Kf1 h5 $19) 29... Rxe2 30. Be3 Ra2 (30... Bc7 31. Kf1 Ra2
32. Ne5 Bxe5 33. Rxe5 $19) 31. Ne5 (31. Kg2 Re4 32. Bd4 Bc7 $19) 31... Bxe5 {
Black gets the initiative} 32. Rxe5 Rca4 33. Re7 (33. Rc5 b6 34. axb6 axb6 $17)
33... Kc8 34. Bxa7 (34. Rg7 Rxa5 35. Rxg6 b5 $19) 34... Rxa5 35. Be3 (35. Bb6
Ra6 36. Bc5 Rc2 37. Re8+ Kd7 38. Re7+ Kd8 $19) 35... b5 36. Bd4 (36. Kg2 b4 $19
) 36... b4 37. Re1 (37. Re6 Rd5 38. Be3 b3 39. Rxg6 b2 $19) 37... b3 38. Rb1
Rd5 39. Bc3 (39. Be3 Rd3 $19) 39... Rb5 {Black plans b2} (39... Rd3 40. Bg7 $19
) 40. Kg2 (40. Bb2 Kd7 $19) 40... b2 (40... b2 41. h4 Kd7 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Baris, Hans"]
[Result "0-1"]
[PlyCount "58"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 Nf6 3. b5 d6 $15 4. c4 g6 (4... Be6 5. d4 $17) 5. e3 Bg7 6. Nf3
c6 (6... e4 7. Nd4 $15) 7. Be2 (7. d4 e4 8. Nfd2 O-O $11) 7... O-O (7... cxb5
8. cxb5 O-O 9. O-O $11) 8. Nc3 (8. d4 e4 9. Nfd2 cxb5 10. cxb5 Be6 $11) 8...
Be6 (8... cxb5 9. cxb5 e4 10. Nd4 $14) 9. d4 $11 e4 10. Nd2 d5 11. a4 a6 12.
O-O Qd7 (12... dxc4 13. bxa6 b6 14. Ndxe4 Nxe4 15. Nxe4 Nxa6 16. Nd2 $11) 13.
h3 (13. c5 $5 $14) 13... axb5 $11 14. axb5 Rxa1 15. Bxa1 h5 (15... dxc4 16. b6
$11) 16. f3 (16. c5 $142 $14) 16... Bxh3 $2 (16... exf3 $142 17. Bxf3 dxc4 $11)
17. gxh3 $18 Qxh3 18. fxe4 $4 (18. c5 $142 $5 $18) 18... Qxe3+ (18... Qg3+ $142
$5 19. Kh1 Qh3+ 20. Kg1 Qg3+ 21. Kh1 Qh3+ 22. Kg1 $11) 19. Kg2 Nxe4 20. Ndxe4
dxe4 21. Na4 Qg5+ 22. Kh3 (22. Kh2 $14) 22... Bf6 (22... cxb5 $142 23. cxb5 f5
$14) 23. Rxf6 $4 (23. Nc5 $142 $16) 23... Qxf6 $15 24. Bxh5 $4 (24. Nc5 $142
$15) 24... gxh5 $19 25. Qg1+ (25. Nc5 Qf5+ 26. Kh2 Qf4+ 27. Kh1 Qh4+ 28. Kg1
Kh7 $19) 25... Kh7 (25... Qg6 26. Qxg6+ fxg6 27. Nc5 Rf3+ 28. Kh4 $19) 26. d5
Qf3+ 27. Qg3 Qf5+ (27... Qh1+ $142 28. Qh2 Qxa1 $19) 28. Kh2 {
Threatening mate... how?} Rg8 29. Qh3 (29. Qe5 Qf2+ 30. Kh3 Qg2+ 31. Kh4 Qg4#)
29... Qf2+ (29... Qf2+ 30. Qg2 Qxg2#) 0-1

[Event "corr SOK-93-95"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Andersson, Lars H"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "85"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. Bb2 d6 3. c4 Nf6 $15 4. d3 g6 (4... Bg4 5. h3 Be6 6. Nf3 $15)
5. e4 (5. e3 Bg7 $11) 5... Bg7 6. Be2 O-O 7. h3 (7. Nf3 Bg4 $11) 7... Na6 (7...
Nc6 8. Qd2 $15) 8. a3 $11 c5 9. b5 Nc7 10. Bf3 (10. Nf3 a6 $11) 10... a6 $15
11. a4 (11. b6 Ne6 12. Qb3 Nd7 $17) 11... Ne6 (11... b6 12. a5 $15) 12. Ne2
axb5 (12... Ng5 13. Ng3 $15) 13. cxb5 (13. axb5 Rxa1 14. Bxa1 Ng5 $15) 13... d5
(13... Ng5 14. Ng3 $17) 14. exd5 (14. Bxe5 dxe4 15. dxe4 Qxd1+ 16. Kxd1 Nxe4
17. Bxg7 Nxf2+ 18. Ke1 Nxh1 19. Bxf8 Kxf8 20. g4 $18) 14... Nxd5 $17 15. O-O
Ndf4 16. Ra3 e4 $4 (16... Qg5 $142 17. Nxf4 Nxf4 $17 (17... exf4 $6 18. Bxg7
Kxg7 19. a5 $11) (17... Qxf4 $6 18. Be4 $15)) 17. Bxg7 $14 exf3 18. Nxf4 fxg2
19. Nxe6 (19. Bxf8 gxf1=Q+ 20. Qxf1 Nxf4 $19 (20... Nxf8 $6 21. Qg2 $17) (20...
Qxf8 $6 21. Nd5 $17) (20... Kxf8 $6 21. Nxe6+ Bxe6 22. Qc1 $17)) 19... gxf1=Q+
$17 20. Qxf1 Bxe6 21. Bxf8 Qg5+ (21... Kxf8 22. Qg2 $17) 22. Qg2 Qc1+ 23. Qf1 (
23. Kh2 $5 Rxf8 24. Ra1 $17) 23... Qxf1+ $19 24. Kxf1 Bxh3+ (24... Kxf8 $143
25. h4 $17) (24... Rxf8 $143 25. Kg2 $15) 25. Ke2 Kxf8 (25... Re8+ 26. Kf3 Kxf8
27. a5 $15) 26. Nd2 (26. a5 Re8+ 27. Kd2 Bg4 $17) 26... Bd7 (26... Re8+ 27. Kf3
$19) 27. Nc4 {White prepares the advance a5} (27. Rc3 b6 $17) 27... h5 (27...
Ke7 28. Nb6 Re8 29. Kf3 $17) 28. Nb6 (28. Nd6 b6 $17) 28... Re8+ $19 29. Kf3
Bg4+ (29... Ke7 30. Nxd7 Kxd7 31. a5 $15) 30. Kg3 g5 31. a5 Bf5 32. a6 h4+ 33.
Kh2 bxa6 34. bxa6 {The passed pawn on a6 will quickly become a dangerous weapon
} Bc8 $4 (34... Re2 35. Kg2 h3+ 36. Kg3 h2 37. Kxh2 Rxf2+ 38. Kg3 Re2 $18) 35.
Ra5 (35. a7 Bb7 $16) 35... Kg7 (35... g4 $142 36. a7 Bb7 $16) 36. Nxc8 (36. a7
$142 $5 Bb7 37. Rxc5 $14) 36... Rxc8 $11 37. a7 Ra8 38. Rxc5 Rxa7 39. Rxg5+ Kf6
40. Rg4 Ra3 41. Rf4+ (41. Kh3 Rxd3+ 42. Kxh4 Ke5 $11) 41... Kg6 (41... Kg5 42.
Rxf7 Rxd3 43. Rg7+ Kf5 44. f3 $11) 42. d4 $11 f5 (42... Rd3 43. Rxh4 f5 44. f3
Rxf3 45. Rh8 $11) 43. Rxh4 1/2-1/2

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Jacewicz, Grzegorz"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "32"]
[EventDate "1998.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. d4 Nbd7 5. Nd2 exd4 (5... e4 6. c4 (6. a3 d5 (
6... a5 7. bxa5 (7. c4 axb4 8. axb4 Rxa1 9. Bxa1 d5 10. Bc3 Be7 $15 {-0.34/10})
(7. b5 Be7 (7... Nb6 8. c4 d5 9. c5 Nbd7 10. Nh3 a4 $11 {0.06/10}) (7... d5 8.
c4 Bd6 9. Ne2 O-O 10. cxd5 Nb6 $11 {0.09/10}) (7... c6 8. Rb1 d5 9. bxc6 bxc6
10. c4 Bd6 $11 {0.00/10}) 8. c4 c6 9. Ne2 cxb5 10. Nc3 bxc4 $11 {0.00/10}) 7...
d5 (7... Rxa5 8. c4 Nb6 9. d5 Bf5 10. Ne2 Be7 $14 {0.31/8}) 8. c4 dxc4 9. Bc3
Nd5 10. Nxe4 Nxc3 $11 {0.06/9}) (6... c6 7. c4 (7. Ne2 Nb6 (7... d5 8. c4 a5 9.
b5 Be7 10. Ng3 O-O $11 {0.12/9}) 8. c4 d5 9. c5 Nbd7 10. Nf4 g5 $11 {0.00/10})
(7. Nh3 Nb6 (7... d5 8. c4 Bd6 9. Rc1 O-O 10. Be2 Nb8 $15 {-0.47/10}) 8. Nf4
Na4 9. Rb1 d5 10. Ba1 Bg4 $15 {-0.50/9}) (7. Be2 d5 (7... Nb6 8. c4 Be7 9. f3
Bf5 10. g4 Bg6 $11 {-0.09/8}) (7... Be7 8. c4 O-O 9. Nh3 a5 10. b5 cxb5 $11 {
-0.22/10}) (7... a5 8. b5 Be7 9. Rb1 O-O 10. bxc6 bxc6 $11 {-0.09/11}) 8. c4
dxc4 9. Nxc4 Nd5 10. Rc1 N7f6 $15 {-0.28/10}) (7. f3 d5 (7... exf3 8. Ngxf3 Qe7
9. Qe2 Nb6 10. e4 Na4 $11 {-0.19/9}) (7... Qe7 8. c4 d5 9. Qb3 dxc4 10. Nxc4
Nb6 $11 {-0.19/9}) 8. c4 Qe7 9. Qb3 dxc4 10. Nxc4 Nb6 $15 {-0.31/8}) 7... d5 8.
Ne2 dxc4 9. Nxc4 Nb6 10. Nc3 Nbd5 $11 {0.06/9}) (6... Be7 7. c4 (7. Ne2 d5 (
7... a5 8. b5 d5 9. Ng3 O-O 10. c4 c6 $11 {0.00/10}) (7... O-O 8. c4 c6 9. Ng3
d5 10. Nf5 a6 $11 {0.00/9}) (7... Nb6 8. c4 d5 9. cxd5 a5 10. bxa5 Nbxd5 $14 {
0.31/8}) (7... c6 8. Ng3 d5 9. c4 O-O 10. Nf5 dxc4 $11 {0.03/9}) 8. c4 c6 9.
Ng3 a5 10. b5 O-O $11 {0.00/10}) 7... Nb6 8. Qc2 a5 9. c5 Nbd5 10. Nxe4 axb4
$14 {0.59/8}) 7. c4 c6 (7... dxc4 8. Qc2 b5 9. Nxe4 a5 10. bxa5 Rxa5 $11 {
-0.16/9}) 8. Be2 Bd6 9. c5 Bc7 10. b5 cxb5 $11 {-0.22/11}) 6... d5 (6... c6 7.
a3 (7. Be2 d5 (7... Be7 8. Nh3 d5 9. c5 b6 10. Nf4 Qc7 $11 {-0.16/9}) (7... a5
8. Qc2 Qe7 9. b5 cxb5 10. cxb5 Nb6 $11 {-0.03/10}) 8. c5 Be7 (8... b6 9. Rc1
bxc5 10. bxc5 Be7 $11 {0.06/11}) 9. Nh3 b6 10. Rc1 $11 {-0.19/9} bxc5 $11 {
-0.22/9}) (7. Nh3 d5 (7... Be7 8. Be2 d5 9. c5 (9. cxd5 Nxd5 10. a3 f5 $11 {
-0.09/9}) 9... b6 (9... O-O 10. O-O b6 $11 {-0.09/9}) 10. Nf4 $11 {0.00/9} O-O
$11 {-0.09/9}) 8. c5 b6 9. Rc1 Rb8 10. Bc3 Qc7 $11 {-0.16/9}) (7. Rc1 d5 8. Qb3
a5 9. b5 a4 10. Qc2 $11 {-0.25/10} Be7 $11 {-0.19/9}) (7. Ne2 d5 8. a3 (8. b5
Be7 9. Ng3 (9. Rb1 cxb5 (9... O-O 10. bxc6 bxc6 $11 {-0.03/10}) 10. cxd5 $11 {
-0.22/10} O-O $11 {-0.19/9}) 9... O-O 10. Be2 cxb5 $11 {-0.06/9}) 8... a5 9. b5
cxb5 10. cxd5 b4 $11 {0.12/10}) 7... d5 8. Ne2 a5 9. b5 cxb5 10. cxd5 $11 {
0.03/10} b4 $11 {0.12/10}) (6... Be7 7. Ne2 (7. Qc2 d5 8. a3 c6 9. Be2 (9. cxd5
cxd5 10. Rc1 O-O $15 {-0.44/10}) 9... O-O 10. Rc1 $11 {-0.22/9} (10. Nh3 Nb6
$11 {-0.22/8}) 10... a5 $11 {-0.22/10}) (7. Rc1 d5 (7... O-O 8. a3 c6 (8... c5
9. d5 (9. Qc2 cxb4 10. axb4 $11 {-0.22/11} d5 $11 {-0.19/11}) 9... cxb4 10.
axb4 Ne5 $11 {0.06/9}) 9. d5 Ne5 10. dxc6 bxc6 $11 {-0.03/9}) (7... c6 8. d5
Ne5 9. Qc2 a5 10. Nxe4 axb4 $11 {0.03/8}) 8. a3 c6 9. cxd5 cxd5 10. Nh3 Bd6 $11
{-0.19/10}) (7. a3 c6 (7... Nb6 8. Qc2 a5 9. bxa5 Rxa5 10. Bc3 Rg5 $14 {0.41/9}
) 8. d5 cxd5 (8... O-O 9. Ne2 cxd5 10. cxd5 $11 {0.03/10} Ne5 $11 {0.03/9}) 9.
cxd5 Ne5 10. Nc4 Nxc4 $11 {-0.09/9}) 7... d5 8. a3 c6 9. Ng3 O-O 10. Nf5 (10.
cxd5 $11 {0.00/11} cxd5 $11 {-0.16/11}) 10... dxc4 $11 {-0.03/9}) (6... a5 7.
b5 d5 (7... a4 8. Qc2 Qe7 9. Ne2 a3 10. Bc1 b6 $16 {0.75/9}) (7... Nb6 8. d5
Bf5 9. Ne2 Nbd7 10. Ng3 Bg6 $14 {0.50/10}) (7... Ra7 8. Qc2 d5 9. cxd5 Bb4 10.
Ne2 Bxd2+ $14 {0.59/10}) (7... Qe7 8. Ne2 d5 9. cxd5 Nxd5 10. Ng3 N7b6 $16 {
0.72/9}) 8. Qc2 Bb4 9. Rc1 dxc4 10. Bc3 Ba3 $11 {0.00/10}) 7. a3 (7. b5 dxc4 (
7... Bb4 8. a3 Ba5 9. Qc2 dxc4 10. Bxc4 Nb6 $11 {-0.22/10}) (7... Be7 8. Qc2 c6
9. bxc6 bxc6 10. Qa4 Qc7 $11 {-0.19/9}) (7... Bd6 8. Ne2 dxc4 9. Nxc4 Nb6 10.
Nxd6+ cxd6 $11 {0.03/9}) 8. Qc2 Bb4 9. Bxc4 (9. Bc3 Bxc3 10. Qxc3 a6 $15 {
-0.31/11}) 9... Nb6 10. Bb3 $15 {-0.28/9} Qd7 $15 {-0.28/8}) 7... dxc4 (7... c6
8. Ne2 a5 9. b5 Be7 (9... cxb5 10. cxd5 b4 $11 {0.12/10}) 10. Ng3 $11 {0.13/10}
(10. c5 O-O $11 {0.00/10}) 10... O-O $11 {0.12/9}) (7... a5 8. bxa5 dxc4 9. Bc3
Nd5 10. Nxe4 Nxc3 $11 {0.06/9}) 8. Qc2 b5 9. Nxe4 a5 10. bxa5 Rxa5 $11 {-0.16/9
}) (5... Be7 6. Bd3 exd4 7. Bxd4 Ne5 (7... c5 8. bxc5 dxc5 9. Bb2 O-O 10. Ngf3
Nb6 $11 {0.00/10}) 8. Ngf3 (8. Bb5+ c6 9. Be2 O-O 10. Ngf3 Nxf3+ $11 {-0.25/9})
8... Nxd3+ 9. cxd3 O-O (9... c5 10. Bxf6 Bxf6 $11 {-0.09/8}) 10. Qc2 $11 {
-0.09/9} b6 $11 {-0.19/9}) 6. exd4 (6. Bxd4 c5 (6... Be7 7. Ngf3 (7. Bd3 Ne5 8.
Bb5+ c6 9. Be2 O-O 10. Ngf3 $11 {-0.22/9}) 7... c5 8. bxc5 dxc5 9. Bb2 O-O 10.
Bd3 $11 {-0.09/10}) (6... d5 7. Rb1 Bd6 8. c4 O-O 9. Ngf3 a5 10. c5 $11 {0.16/9
}) 7. bxc5 (7. Bxf6 Qxf6 8. Rb1 d5 9. bxc5 Bxc5 10. c4 $11 {-0.19/9}) 7... dxc5
8. Bxf6 Qxf6 9. Bd3 Be7 10. Rb1 $11 {-0.19/10}) 6... d5 (6... Be7 7. Bd3 (7.
Be2 d5 8. b5 a6 9. bxa6 b6 10. Ngf3 $15 {-0.31/11}) 7... Nd5 8. a3 Nf4 9. Be4
Nf6 10. Qf3 $11 {-0.19/10}) 7. c3 (7. b5 Qe7+ 8. Qe2 Nb6 9. a4 Bf5 10. a5 $11 {
-0.12/10}) 7... Bd6 8. Be2 O-O (8... a5 9. b5 O-O 10. Ngf3 $15 {-0.37/11}) 9.
a4 (9. Ngf3 Re8 (9... Nb6 $15 10. O-O $15 {-0.44/11}) 10. O-O $15 {-0.50/11})
9... Re8 $17 10. h4 (10. a5 $17 {-1.03/11}) 10... Nh5 11. Ndf3 (11. g3 a5 $17)
11... Nf4 $19 12. Kf1 Nxe2 13. Nxe2 Nb6 14. a5 Nc4 15. Bc1 Bg4 16. Nf4 Qd7 0-1

[Event "corr TKM/A005"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Moeller Nielsen, Peter"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "56"]
[EventDate "2000.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. Nf3 g6 5. Bc4 Bg7 6. d3 (6. O-O O-O 7. a3 (7.
Be2 e4 (7... c5 8. bxc5 e4 9. Ne1 dxc5 10. f3 Qd6 $11 {0.00/9}) (7... Qe7 8. d4
e4 9. Nfd2 c5 10. a3 Be6 $11 {0.03/8}) (7... Bg4 8. Nc3 Nbd7 9. e4 c6 10. h3
Bxf3 $11 {-0.06/9}) 8. Ne1 Be6 9. f3 d5 10. a3 a5 $11 {-0.09/10}) (7. b5 a6 (
7... Bg4 8. h3 Be6 9. Bxe6 fxe6 10. Nc3 a6 $11 {-0.06/10}) (7... Be6 8. Bxe6
fxe6 9. Nc3 Qe7 10. e4 a6 $11 {0.09/10}) 8. a4 Bg4 9. Be2 axb5 10. axb5 Rxa1
$11 {-0.16/11}) (7. d3 a5 (7... c6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 d5 $11 {
0.03/10}) (7... Nbd7 8. e4 c6 9. Nbd2 a5 10. bxa5 Qxa5 $11 {-0.03/9}) 8. a3
Nbd7 9. e4 Nb6 10. Ba2 Na4 $11 {-0.03/9}) 7... Bg4 (7... e4 8. Nd4 c5 9. Nb3
Qc7 10. Be2 Be6 $11 {0.03/9}) 8. h3 Be6 9. Bxe6 fxe6 10. d3 a5 $11 {0.00/10}) (
6. Nc3 O-O (6... a5 7. b5 (7. bxa5 O-O (7... Rxa5 8. O-O O-O 9. e4 c6 10. d4
exd4 $11 {-0.16/9}) (7... d5 8. Be2 e4 9. Nd4 c5 10. Nb3 c4 $11 {0.09/9}) 8. e4
Rxa5 9. O-O c6 10. Bb3 b5 $11 {-0.16/10}) (7. a3 Bf5 (7... axb4 8. axb4 Rxa1 9.
Qxa1 O-O 10. O-O Bg4 $11 {0.03/9}) (7... O-O 8. O-O Bg4 9. h3 axb4 10. axb4
Rxa1 $11 {0.00/10}) 8. O-O O-O 9. Qe2 d5 10. e4 dxe4 $11 {-0.06/8}) 7... O-O (
7... Bf5 8. Qe2 d5 9. e4 Bxe4 10. Nxe4 Nxe4 $16 {0.72/9}) (7... d5 8. Be2 Nbd7
9. O-O O-O 10. d4 e4 $11 {0.03/11}) 8. e4 c6 9. bxc6 bxc6 10. O-O d5 $11 {
-0.06/9}) (6... d5 7. Bb3 (7. Be2 Nbd7 (7... Qe7 8. a3 O-O 9. O-O a5 10. b5
Nbd7 $11 {-0.06/10}) (7... a5 8. b5 Nbd7 9. O-O O-O 10. d4 e4 $11 {0.06/11}) 8.
O-O O-O 9. a4 a5 10. b5 c5 $11 {-0.06/11}) 7... a5 (7... e4 8. Nd4 Na6 9. a3 c5
10. bxc5 Nxc5 $11 {0.12/10}) 8. b5 Qd6 9. b6 Na6 10. bxc7 Nxc7 $11 {0.06/9}) (
6... Nc6 7. b5 (7. a3 O-O 8. d3 a6 9. O-O d5 10. Bb3 Qd6 $11 {-0.13/9}) 7...
Na5 8. Be2 Bg4 9. e4 O-O 10. O-O Re8 $11 {0.09/9}) (6... Bf5 7. O-O c6 (7...
Nc6 8. a3 O-O 9. d3 Qd7 10. Nd5 Nxd5 $11 {0.09/10}) (7... a5 8. b5 a4 9. a3 d5
10. Ba2 Qd6 $11 {0.12/9}) (7... O-O 8. d3 Nc6 9. a3 Qd7 10. Nd5 Nxd5 $11 {
0.00/10}) 8. d3 b5 9. Bb3 a5 10. bxa5 O-O $11 {-0.06/9}) 7. e4 (7. b5 a6 (7...
e4 8. Nd4 c5 9. bxc6 bxc6 10. f3 c5 $11 {-0.06/8}) (7... d5 8. Be2 Re8 9. O-O
c5 10. d3 a6 $11 {-0.22/9}) 8. O-O axb5 9. Bxb5 c6 10. Be2 b5 $15 {-0.31/10}) (
7. O-O c6 (7... e4 8. Nd4 a6 9. Be2 c5 10. bxc5 dxc5 $14 {0.28/10}) (7... Bg4
8. h3 Be6 9. Qe2 d5 10. Bb3 e4 $11 {-0.03/8}) 8. a3 b5 9. Be2 a5 10. e4 Bg4 $11
{-0.16/8}) (7. d3 c6 (7... a5 8. b5 Nbd7 9. a4 Nb6 10. Bb3 Bg4 $11 {0.09/10})
8. Bb3 a5 9. bxa5 Qxa5 10. O-O Nbd7 $11 {-0.19/10}) 7... Nc6 8. a3 a5 9. b5 Nd4
10. O-O Be6 $11 {-0.13/9}) 6... O-O (6... Nc6 7. a3 (7. c3 O-O (7... a6 8. O-O
d5 9. Bb3 Qd6 10. Nbd2 Bg4 $11 {-0.03/8}) (7... Bg4 8. h3 Bxf3 9. Qxf3 d5 10.
Bb5 e4 $11 {-0.13/10}) (7... Ne7 8. O-O O-O 9. Nbd2 a5 10. a3 c6 $11 {0.00/8})
8. O-O d5 9. Bb5 e4 10. dxe4 Nxe4 $11 {-0.22/9}) 7... O-O (7... Bg4 8. h3 Be6
9. Bxe6 fxe6 10. e4 O-O $11 {0.09/11}) (7... a6 8. O-O O-O 9. Nbd2 Bg4 10. h3
Be6 $11 {0.06/10}) (7... h6 8. O-O O-O 9. Nbd2 a6 10. Bb3 Bg4 $11 {0.06/10}) 8.
O-O a6 9. e4 b5 10. Bb3 a5 $11 {0.03/10}) (6... a5 7. a3 (7. bxa5 Nc6 8. a6
bxa6 9. Na3 O-O 10. O-O Rb8 $11 {-0.13/10}) 7... axb4 (7... O-O 8. O-O Nbd7 9.
e4 c6 10. Ba2 b5 $11 {-0.03/9}) 8. axb4 Rxa1 9. Bxa1 O-O 10. O-O c6 $11 {
-0.03/9}) (6... Be6 7. Bxe6 fxe6 8. O-O Na6 9. a3 O-O 10. Nc3 c5 $11 {0.09/11})
(6... c6 7. e4 (7. a4 Qe7 (7... O-O 8. O-O a5 9. b5 Nbd7 10. Nbd2 Nb6 $11 {
0.00/9}) (7... Bg4 8. O-O Nbd7 9. h3 Bxf3 10. Qxf3 d5 $11 {-0.03/10}) (7... a5
8. b5 Nbd7 9. Nc3 d5 10. Ba2 O-O $11 {-0.03/9}) 8. O-O O-O 9. b5 d5 10. Bb3 e4
$11 {-0.25/9}) (7. Bb3 a5 (7... O-O 8. O-O a5 9. bxa5 Qxa5 10. Nbd2 Bg4 $11 {
-0.03/9}) 8. bxa5 Qxa5+ 9. Nbd2 O-O 10. O-O Bg4 $11 {-0.03/9}) (7. a3 b5 (7...
O-O 8. O-O b5 9. Bb3 a5 10. c4 Bg4 $11 {-0.03/8}) 8. Bb3 a5 9. O-O O-O 10. c4
Bg4 $11 {-0.03/8}) (7. O-O b5 (7... O-O 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 d5 $11 {
0.03/10}) 8. Bb3 a5 9. bxa5 O-O 10. c4 bxc4 $11 {0.00/9}) 7... O-O 8. O-O a5 9.
bxa5 Qxa5 10. Nbd2 Bg4 $11 {0.03/9}) 7. Nbd2 (7. O-O Nbd7 (7... a5 8. a3 Nbd7
9. e4 Nb6 10. Bb3 Qe7 $11 {0.00/9}) (7... c6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 d5
$11 {0.03/10}) 8. e4 a5 9. bxa5 Rxa5 10. Re1 Qe7 $11 {-0.09/9}) (7. e4 c6 8.
O-O b5 9. Bb3 a5 10. bxa5 Rxa5 $11 {0.00/9}) 7... a5 (7... d5 8. Bb3 e4 9. dxe4
dxe4 10. Nd4 a5 $11 {-0.25/9}) 8. a3 (8. bxa5 Nc6 9. a6 bxa6 10. e4 Na5 $11 {
-0.13/10}) 8... Bd7 (8... c6 9. O-O b5 10. Bb3 Bg4 $11 {-0.06/8}) 9. O-O (9.
bxa5 Rxa5 10. O-O Nc6 $11 {-0.09/9}) 9... b5 10. Ba2 Nc6 11. bxa5 Nxa5 12. c4
bxc4 13. Nxc4 Nxc4 14. Bxc4 Qe7 15. e4 Rfb8 16. Qd2 c6 17. Rfe1 Bg4 18. d4 (18.
Ng5 Bh6 19. f4 Be6 20. Bxe6 fxe6 21. fxe5 Qa7+ 22. d4 dxe5 $11) 18... Bxf3 $15
19. gxf3 Nh5 20. Rab1 Nf4 21. Kh1 Qg5 22. Rg1 Qh5 23. Rg4 Rxa3 24. Qd1 Raa8 25.
dxe5 d5 (25... dxe5 $6 26. Bxf7+ Kh8 27. Bc4 $15) 26. exd5 (26. Bb3 Bxe5 27.
Bxe5 Qxe5 $19) 26... Bxe5 (26... cxd5 $6 27. Rxf4 dxc4 28. Bc3 $17) 27. Bxe5
Rxb1 (27... Qxe5 28. Rxb8+ (28. dxc6 $4 Rxb1 29. Qxb1 Ra1 30. Bxf7+ Kg7 $19)
28... Rxb8 29. dxc6 $14) 28. Qxb1 Qxe5 (28... Qxe5 29. Rg1 cxd5 $19) 0-1

[Event "corr NBC KE02"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Pommerel, Wim"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "99"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. Be2 g6 5. Nf3 Bg7 6. d4 e4 7. Nfd2 O-O 8. c4 c6
9. Nc3 d5 10. O-O Na6 (10... Bf5 11. cxd5 cxd5 12. Rc1 $14) 11. b5 (11. cxd5
cxd5 12. b5 Nc7 $14) 11... Nc7 (11... cxb5 12. cxb5 Nc7 13. Ba3 $14) 12. bxc6
bxc6 13. Rb1 Bf5 (13... Re8 14. Ba3 $14) 14. Ba3 $16 Re8 15. Qa4 Bd7 16. Qa5 (
16. Bd6 Ne6 17. c5 a5 $16) 16... dxc4 $14 17. Bxc4 Ncd5 18. Qxd8 Raxd8 19. Na4
Bc8 (19... Bf5 20. Rfc1 $16) 20. Rfc1 Bh6 (20... Bg4 21. Nc5 $16) 21. Rb3 Ng4 (
21... Bf5 22. Rcb1 $16) 22. Nf1 (22. Nc5 Ndxe3 23. fxe3 Bxe3+ 24. Rxe3 Nxe3 25.
Ncxe4 Nxc4 26. Rxc4 Re6 $16) 22... f5 23. h3 {White gets the initiative} Ngf6
24. Be2 Re6 25. Nc5 Re7 26. Na6 Re6 27. Nb8 Bd7 28. Nxd7 (28. Bc5 a5 $16) 28...
Rxd7 29. Ba6 Rc7 (29... Nb6 30. Bc5 Nfd5 31. a4 $14) 30. Rb7 Rxb7 (30... Bf8
31. Bxf8 Kxf8 32. Rxc7 Nxc7 33. Bb7 $16) 31. Bxb7 f4 32. Bc8 (32. exf4 Nxf4 33.
Rc2 Bf8 34. Bxf8 Kxf8 $16) 32... Re8 $14 33. Rxc6 fxe3 34. fxe3 Nxe3 (34...
Bxe3+ $143 35. Nxe3 Nxe3 36. Be6+ (36. Rxf6 $6 Rxc8 37. Bc5 Rb8 $14) 36... Kg7
37. Rc7+ Kh8 38. Bf7 $18) 35. Be6+ Kg7 36. Ra6 Ra8 37. Bd6 Ned5 38. Be5 Nb4 39.
Rd6 Bg5 40. g3 {With the idea h4} Rf8 41. h4 Bc1 42. g4 Kh6 43. Ng3 Be3+ (43...
Ne8 44. g5+ Bxg5 45. hxg5+ Kxg5 46. Nxe4+ Kh6 47. Rd7 $18) 44. Kg2 Ne8 45. Rd8
(45. Rd7 Nc6 $18) 45... Nd3 46. g5+ Bxg5 47. hxg5+ Kxg5 48. Nxe4+ Kh6 49. Kg3
Nxe5 50. dxe5 (50. dxe5 Nf6 51. Rxf8 (51. Nxf6 $6 Rxd8 52. Kf4 Kg7 $16) (51.
exf6 $6 Rxd8 52. Kf4 Rd1 $18) 51... Nxe4+ 52. Kg2 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bandsma, Arend"]
[Result "1-0"]
[PlyCount "51"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 e4 3. a3 d5 4. Nc3 Nf6 5. e3 Nc6 6. g3 (6. Bb5 a5 7. bxa5 Rxa5
$11) 6... Bd7 (6... d4 7. exd4 Nxd4 8. f3 $15) 7. Nge2 a5 8. Nf4 (8. b5 Ne5 9.
Nd4 Bd6 $15) 8... Bg4 (8... axb4 $5 9. axb4 Rxa1 10. Bxa1 Bg4 $17) 9. Be2 $15
Bxe2 10. Qxe2 (10. Ncxe2 $5 axb4 11. Bxf6 gxf6 12. axb4 Rxa1 13. Qxa1 Nxb4 14.
Qb1 $11) 10... axb4 $19 11. axb4 Rxa1+ (11... Nxb4 $143 12. Rxa8 Qxa8 13. O-O
$17) (11... Bxb4 12. Rxa8 Qxa8 13. Ncxd5 $16) 12. Bxa1 Nxb4 13. Qb5+ Qd7 14.
O-O Qxb5 (14... c5 $5 15. Rc1 $19) 15. Nxb5 $17 c6 16. Nd4 (16. Bxf6 cxb5 17.
c3 gxf6 18. cxb4 d4 $11) 16... c5 17. Nb5 (17. Nf5 Nxc2 18. Bxf6 gxf6 19. Nxd5
$11) 17... Na6 $4 (17... d4 $142 $19) 18. Bxf6 $11 gxf6 19. Nxd5 Bg7 $2 (19...
Be7 20. f3 (20. Nxe7 $6 Kxe7 21. d4 exd3 22. cxd3 Nb4 $11) 20... exf3 21. Rxf3
$16) 20. Rb1 $4 (20. Nd6+ $5 Kd7 21. Nxe4 $18) 20... Kd7 $16 21. Nbc3 Rb8 (
21... Ke6 22. Rxb7 Rb8 23. Re7+ Kd6 24. Rxf7 Bh8 $18) 22. Nxe4 $18 Ke6 23.
Ndxf6 Bxf6 24. Rb6+ Ke5 25. Nxf6 (25. Rxf6 $6 Kxe4 26. d3+ Ke5 27. Rxf7 Nb4 $11
) 25... Nb4 (25... Rc8 $18) 26. Nd7+ (26. Nd7+ Ke4 27. d3+ Kf5 28. Nxb8 Nxc2
29. Rxb7 $18) 1-0

[Event "corr ICCF tt"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Veer, W."]
[Result "1-0"]
[PlyCount "75"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. Bb2 e4 3. c4 a5 (3... Nf6 4. a3 $15) 4. b5 (4. Qc2 Nf6 $11 (
4... Bxb4 $4 5. Bxg7 (5. Qxe4+ $6 Kf8 $14) 5... Nf6 6. Bxh8 $18)) 4... b6 (4...
Nf6 5. Nc3 $11) 5. e3 Nf6 6. a3 (6. d3 Bb7 $11) 6... Bb7 7. Ne2 Bc5 (7... Be7
8. Nf4 $11) 8. Nf4 d6 (8... Be7 9. Be2 $11) 9. Be2 (9. d4 exd3 10. Bxd3 Nbd7
$14) 9... O-O $11 10. O-O Nbd7 11. d4 exd3 12. Nxd3 Qe7 (12... Re8 13. Nxc5
Nxc5 14. Bf3 $11) 13. Nc3 Rfe8 14. Rc1 Rad8 15. Nf4 Ne5 (15... Rb8 16. Ncd5 Qd8
17. Nd3 $14) 16. Ncd5 Nxd5 17. cxd5 Ng6 (17... Qg5 18. Qc2 $14) 18. Nh5 (18.
Nxg6 fxg6 19. Qd3 Bc8 $16) 18... f6 19. Ng3 Qf7 20. e4 Bc8 (20... f5 21. Nxf5 (
21. exf5 $143 Ne5 $11) 21... Rxe4 22. Nxg7 Bxd5 23. Nh5 $16) 21. Bh5 Qd7 (21...
Re7 22. Bg4 $16) 22. a4 Rf8 (22... Re7 23. Bxg6 hxg6 24. Bd4 $16) 23. Nf5 (23.
Bxg6 hxg6 24. Qd3 Rde8 $16) 23... Nf4 (23... Ne5 24. Bg4 Nxg4 25. Qxg4 $16) 24.
Bg4 Qe8 25. Rc4 (25. Qf3 Ng6 $16) 25... g6 (25... Ng6 26. Bh5 $16) 26. Nh6+ Kg7
27. Qd2 Kxh6 28. Qxf4+ g5 29. Qf3 Bxg4 30. Qxg4 Qd7 31. Qg3 Kg6 (31... Rde8 32.
Re1 $16) 32. Kh1 (32. Bc1 Rde8 $16) 32... f5 $16 33. f4 g4 34. h3 h5 35. Qh4
Qf7 (35... gxh3 36. Qg5+ Kf7 37. gxh3 Rg8 38. Qxh5+ Kf8 $18) 36. hxg4 hxg4 $4 (
36... fxg4 37. f5+ Kh6 $18) 37. Qg5+ Kh7 38. exf5 (38. exf5 Qf6 39. Bxf6 Rxf6
40. Qxf6 c6 41. Qf7+ Kh8 42. f6 Rd7 43. Qxd7 cxb5 44. Qg7#) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Karstens, Bart"]
[Result "0-1"]
[PlyCount "90"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 e4 3. e3 d5 4. c4 c6 5. cxd5 cxd5 6. Nc3 (6. Bb5+ Bd7 7. Qa4
Nf6 $15) 6... Be6 (6... Bxb4 7. Qb3 Bxc3 8. Bb5+ Nd7 9. Bxc3 $17) 7. a3 (7.
Bb5+ Nc6 8. Qa4 Qb6 $15) 7... a6 (7... Nc6 8. Bb5 $11) 8. Nge2 (8. d3 Nf6 $11)
8... Nc6 9. Nf4 Nf6 10. b5 (10. Nxe6 fxe6 11. d3 exd3 12. Bxd3 Bd6 $11) 10...
axb5 (10... Bg4 11. f3 d4 12. exd4 (12. fxg4 $6 dxc3 13. dxc3 axb5 $11) (12.
bxc6 $6 dxc3 13. Bxc3 Bc8 $16) (12. Nxe4 Nxe4 13. bxc6 Qh4+ 14. Ke2 Qf2+ 15.
Kd3 Nc5+ 16. Kc2 Bf5+ 17. e4 Bxe4+ 18. fxe4 Qxf4 $15) 12... exf3 13. gxf3 Qe7+
14. Kf2 $18) 11. Bxb5 Bd6 12. Nfxd5 $4 (12. Nxe6 $142 fxe6 13. d3 exd3 14. Qxd3
$11) 12... Bxd5 13. Nxd5 Nxd5 14. Qc2 O-O 15. Bxc6 (15. Qxe4 Nf6 16. Qf5 Ne7
$17) 15... bxc6 16. Qxc6 Nf6 17. g3 (17. O-O Bxh2+ $1 18. Kh1 Bd6 $19) 17...
Qd7 (17... Rc8 $142 $5 18. Qa4 $19) 18. Qxd7 Nxd7 19. Ke2 Nc5 20. Rhd1 (20.
Rhc1 Nb3 21. Rc6 Nxa1 22. Rxd6 Nc2 $19) 20... Rfb8 (20... Nd3 $142 21. Rdb1 $19
) 21. Ra2 $6 (21. Rdb1 Nd3 22. Bd4 Rxb1 23. Rxb1 Rxa3 $19) 21... Nd3 22. Bc1
Rb1 23. Rc2 Rxc1 (23... Bxa3 24. Bxa3 Rxd1 25. Kxd1 $17) 24. Rdxc1 Nxc1+ 25.
Rxc1 Bxa3 26. Ra1 Ra7 (26... h6 27. d4 $19) 27. d3 exd3+ 28. Kxd3 Bc5 29. Rxa7
Bxa7 30. f4 f6 31. Ke2 (31. e4 Kf7 $19) 31... Kf7 (31... f5 32. h3 $19) 32. Kf3
Ke6 33. h3 g6 34. e4 Bd4 35. g4 h6 36. Kg2 g5 37. Kf3 Bb2 38. fxg5 (38. Kg3
gxf4+ 39. Kxf4 Be5+ 40. Ke3 Kd6 $19) 38... hxg5 39. Kg2 Ke5 40. Kf3 Bc1 41. Ke2
Kxe4 42. Kf2 Kf4 43. Kg2 (43. Ke2 Kg3 $19) 43... Be3 44. Kh2 Kf3 45. Kh1 Kg3 (
45... Kg3 46. h4 gxh4 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Eldik"]
[Result "1-0"]
[PlyCount "29"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 e4 (2... f6 3. a3 $15) 3. e3 (3. Bd4 Nc6 (3... Bxb4 $2 4. Bxg7
Nf6 5. Bxh8 $18) 4. Bc5 d6 $17) 3... Nf6 (3... Bxb4 4. Bxg7 Bxd2+ 5. Nxd2 $18)
4. Nc3 (4. a3 d5 $11) 4... d5 (4... Bxb4 5. a3 Be7 6. d3 $17) 5. b5 (5. a3 $142
$15) 5... g6 (5... Bd6 $142 $15) 6. Nxd5 $1 $16 Qxd5 {Theme: Deflection from f6
} (6... Nxd5 {Exploits the pin} 7. Bxh8) 7. Bxf6 Rg8 8. c4 (8. d3 Qxb5 9. dxe4
Qa5+ 10. Qd2 Qxd2+ 11. Kxd2 Nd7 $16) 8... Qe6 $14 9. Bc3 Bg7 (9... a6 10. bxa6
Nxa6 11. d4 $16) 10. Rc1 (10. Bxg7 Rxg7 11. d4 exd3 12. Bxd3 a6 $16) 10... Nd7
(10... Bxc3 11. dxc3 a6 12. Ra1 $14) 11. Ne2 (11. Bxg7 $5 Rxg7 12. d4 $16)
11... Nc5 {The mate threat is Nd3} 12. Nf4 Qd6 13. Bxg7 Rxg7 14. Nd5 (14. d4
exd3 15. Bxd3 Bg4 $16) 14... Qe6 $4 (14... a6 $142 $14) 15. Nxc7+ $18 (15.
Nxc7+ Kf8 16. Nxe6+ Bxe6 17. f3 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bandsma, A."]
[Result "0-1"]
[PlyCount "103"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 e4 3. e3 d5 4. c4 c6 5. b5 Nf6 $15 6. Qc2 a6 (6... Bd6 7. bxc6
bxc6 8. cxd5 cxd5 9. Bxf6 gxf6 10. Nc3 $11) 7. a4 (7. cxd5 Qxd5 8. Bxf6 gxf6
$16) 7... axb5 8. axb5 Rxa1 9. Bxa1 Be7 10. Ne2 (10. Bxf6 Bxf6 11. d4 exd3 12.
Bxd3 Be6 $15) 10... O-O (10... dxc4 11. Bxf6 Bxf6 12. Qxe4+ Qe7 13. Qxc4 $11)
11. Nd4 Ng4 (11... c5 12. Nb3 $17) 12. f3 exf3 13. Nxf3 Bf6 14. Bd4 Bxd4 15.
Nxd4 Qh4+ (15... c5 16. Nb3 Qh4+ 17. g3 $17) 16. g3 $11 Qh6 17. Nf3 (17. cxd5
cxd5 18. Bg2 Be6 $11) 17... Re8 18. cxd5 cxd5 19. Qc5 Bf5 20. h3 $4 (20. Nc3
$142 Nxe3 21. dxe3 Qxe3+ 22. Qxe3 Rxe3+ 23. Kd2 Rxf3 24. Be2 $15) 20... Bxb1
$19 21. Bg2 Nf6 22. g4 (22. Qb6 Qg6 23. g4 Re7 $19) 22... g5 (22... Bd3 23. g5
Qg6 24. gxf6 Qxg2 25. Nd4 $19) 23. h4 Qf8 (23... gxh4 $5 24. g5 Qg6 25. Qd4 $19
) 24. Qxf8+ Rxf8 25. hxg5 (25. Nxg5 Ne4 $19 (25... Nxg4 $6 26. Bxd5 Bd3 27. Rg1
$17)) 25... Nxg4 26. Ke2 Be4 27. Bh3 (27. d3 Bf5 28. Nd4 Be6 $19) 27... Ne5 28.
Bg2 Nxf3 29. Bxf3 Bxf3+ (29... f6 30. Bxe4 dxe4 31. gxf6 Rxf6 32. Rh4 $19) 30.
Kxf3 f6 31. Kg4 Kg7 (31... fxg5 32. Rh5 h6 33. Rxh6 $19) 32. Rc1 (32. Rh5 Nd7
$19) 32... Rf7 33. d4 Kg6 (33... fxg5 34. Kxg5 h6+ 35. Kh4 $19) 34. gxf6 (34.
Rc8 Nd7 35. Rg8+ Rg7 36. Rxg7+ Kxg7 $19) 34... Nd7 35. Kh4 (35. Rg1 Nxf6+ 36.
Kf4+ Kh6 $19) 35... Nxf6 (35... Rxf6 $6 36. Rc7 Nb6 37. Rxb7 $19) 36. Rg1+ Kh6
(36... Kf5 37. b6 $19) 37. Rg5 Re7 38. Re5 Rxe5 39. dxe5 Ne4 40. Kg4 (40. b6
Kg6 41. e6 Kf6 $19) 40... Kg6 41. Kf4 h5 42. b6 Nc5 43. e6 (43. e4 Nxe4 44. Ke3
Kf5 $19) 43... Nxe6+ (43... Kf6 $142 $5 44. e4 Nxe4 45. e7 Kxe7 46. Ke5 $19)
44. Ke5 Kf7 (44... h4 45. Kxd5 h3 46. e4 Nf4+ 47. Ke5 $19) 45. Kxd5 h4 46. Kd6
(46. e4 Nf4+ 47. Kd6 $19) 46... h3 47. Kd7 h2 48. Kc8 h1=Q 49. Kb8 Nc5 50. Ka7
Qa1+ 51. Kb8 Qh8+ 52. Ka7 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Eldik, Chr"]
[Result "1-0"]
[PlyCount "61"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 e4 3. Nc3 Bxb4 (3... d5 $5 $11) 4. Nxe4 $14 Be7 $2 (4... f6
$142 $14) 5. Bxg7 $18 Bf6 $4 (5... d5 $18) 6. Nxf6+ Nxf6 7. Bxh8 Ne4 8. e3 Ke7
(8... d5 9. Qh5 $18) 9. Bc3 (9. Bd4 Nc6 $18) 9... Nc6 (9... Nxc3 10. dxc3 d5
11. Bd3 $18) 10. Qf3 (10. Ne2 Nxc3 11. Nxc3 d6 $18) 10... d5 (10... Nxc3 11.
dxc3 Ne5 12. Qe4 $18) 11. Bd3 (11. Ne2 Nxc3 12. Nxc3 Be6 $18) 11... f5 (11...
Nxc3 12. dxc3 Ne5 13. Qh5 $18) 12. Bxe4 (12. Ne2 Be6 $18) 12... dxe4 13. Qh5
Qg8 14. Qh4+ Ke8 15. g3 Be6 16. Bf6 Nb4 17. Qh5+ Bf7 (17... Qf7 18. Qxf7+ Kxf7
19. Rb1 Nxc2+ 20. Kd1 $18) 18. Qd1 Qg6 (18... Bxa2 19. f3 Bd5 20. fxe4 Bxe4 21.
Qh5+ Qf7 22. Qxf7+ Kxf7 23. Nf3 Nxc2+ 24. Ke2 Kxf6 25. Ra5 $11) 19. Be5 c6 (
19... Qc6 20. Bc3 Nxa2 21. Bd4 $18) 20. a3 Nd5 21. Rb1 b5 22. Ne2 Qe6 23. Ba1
Bh5 24. O-O (24. d3 Bf3 25. Rg1 Qd6 $18) 24... Kf7 25. Re1 Rg8 26. c4 Nc7 27.
Qc2 (27. d3 Ke8 $18) 27... a5 (27... Bxe2 28. Rxe2 Qd6 29. Rb3 $18) 28. Nd4 Qd6
(28... Qxc4 29. Qxc4+ bxc4 30. Rb7 $18) 29. Nxf5 (29. cxb5 $142 cxb5 30. Nxf5
Qb6 $18) 29... Qd3 (29... Qe6 30. Qxe4 Qxe4 31. Nd6+ Ke7 32. Nxe4 $18) 30. Qxd3
exd3 31. Nh6+ (31. Nh6+ Kf8 32. Nxg8 Kxg8 33. Be5 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Krijger, Martin"]
[Result "0-1"]
[PlyCount "104"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 Bc5 4. e3 c6 (4... d5 5. Qh5+ g6 6. Qf3 $15) 5. c4 (5.
d4 Bb4+ 6. c3 Bd6 $14) 5... d5 6. Nf3 Bg4 7. Be2 (7. d4 exd4 8. exd4 Qe7+ 9.
Qe2 Bxf3 10. gxf3 Bb4+ 11. Bc3 Bd6 $11) 7... Nd7 (7... dxc4 8. Bxc4 e4 9. Qc2
$11) 8. Nc3 Ne7 9. a3 (9. d4 exd4 10. exd4 Bb4 $11) 9... dxc4 $15 10. Bxc4 Nb6
11. Be2 Ned5 12. Ne4 Be7 13. d4 (13. bxc6 bxc6 14. d4 Bxf3 15. Bxf3 Nc4 $11)
13... exd4 14. Nxd4 Bxe2 15. Qxe2 Na4 (15... Rc8 16. Ne6 Qd7 17. Nxg7+ Kf7 18.
bxc6 Rxc6 19. Nh5 $16) 16. Ne6 (16. bxc6 Qa5+ 17. Kf1 Nxb2 18. cxb7 $18 (18.
Qxb2 bxc6 19. Qb7 O-O $14)) 16... Qa5+ $11 17. Kf1 Kf7 18. Nd4 Nxb2 19. Qxb2
Rhc8 20. g3 (20. bxc6 bxc6 21. Kg1 Kg8 $11) 20... Kf8 (20... a6 21. bxc6 bxc6
22. Kg2 $11) 21. Kg2 cxb5 22. Qxb5 Qxb5 23. Nxb5 Rc2 24. Kf3 g5 (24... f5 $5
25. Ned6 Bf6 $11) 25. Rhd1 $14 Nb6 (25... Nc7 26. Nd4 Rc4 27. Rac1 $14) 26. Nd4
Rb2 27. Rd2 (27. h4 gxh4 28. gxh4 Rc8 $14) 27... Rxd2 $11 28. Nxd2 Rc8 29. Ne4
Nc4 30. a4 (30. Rb1 b6 (30... Bxa3 $143 31. Rxb7 Bb2 32. Rxa7 $18 (32. Nxf6
$143 Bxd4 33. Nxh7+ Ke8 34. exd4 Nd2+ 35. Kg4 Ne4 $18)) 31. a4 Ne5+ 32. Ke2 g4
$11) 30... Kf7 (30... Ne5+ 31. Ke2 $15) 31. Nf5 (31. Rd1 Ne5+ 32. Ke2 g4 $11)
31... Rc7 (31... Ne5+ 32. Kg2 Rd8 33. Rb1 $11) 32. Nxe7 (32. g4 Ne5+ 33. Kg3
Nd3 $14) 32... Kxe7 33. g4 Ne5+ 34. Kg3 Rc4 35. f3 Rb4 (35... b6 36. Ra2 $15)
36. Nc3 Rb3 37. Nd5+ (37. Rc1 Ke6 $11) 37... Ke6 38. Nc7+ (38. Rd1 Rd3 39. Rxd3
Nxd3 40. Nc7+ Kd6 41. Nb5+ Kc5 42. Nxa7 Nb2 $11) 38... Kf7 39. Nd5 $2 (39. Re1
$142 $5 $11) 39... Rd3 $17 40. f4 (40. e4 Rxf3+ 41. Kg2 Rb3 $17) 40... Rxd5 (
40... Nc6 $5 41. Nc7 Rxe3+ 42. Kf2 gxf4 43. Rd1 $19) 41. fxe5 $17 Rxe5 42. Kf3
Ra5 43. Rc1 Rxa4 {The passed pawn on a7 quickly leads to threats} 44. Rc7+ Kg6
45. Rxb7 a5 46. Ra7 Ra2 47. Ra6 a4 48. Ke4 a3 49. Kd5 (49. Ra8 h5 50. h3 h4 $19
) 49... Ra1 (49... Rd2+ 50. Kc4 a2 51. Kb3 Rxh2 52. e4 $19) 50. e4 a2 51. Ke6
Re1 52. Rxa2 Rxe4+ (52... Rxe4+ 53. Kd5 Rxg4 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Regeer, Gerard"]
[Result "1-0"]
[PlyCount "45"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Bd6 5. c4 Ne7 6. cxd5 Nxd5 7. Nf3 Be6 8.
e4 Nf4 9. d4 Nd7 10. Nbd2 Qe7 (10... O-O 11. Qc2 $15) 11. d5 Bf7 12. g3 Nh5 13.
Be2 g6 14. O-O Ng7 (14... f5 15. Bc4 $11) 15. Nc4 O-O (15... Bc5 16. Qc2 $14)
16. Nxd6 cxd6 17. Nd2 Nc5 18. f4 exf4 19. Rxf4 f5 20. exf5 Nxf5 21. Nf1 Be8 (
21... Qg5 22. Bg4 Rae8 23. Rc1 $14) 22. Qd2 Na4 $4 (22... Bf7 $142 $14) 23.
Rxa4 $18 (23. Rxa4 a6 24. Re1 $18) 1-0

[Event "corr Netherlands"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Zondervan, JF."]
[Result "1-0"]
[PlyCount "37"]
[EventDate "1988.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. c4 Ne7 6. d4 Ng6 7. cxd5 Qxd5 8. Nf3
Nd7 9. Nc3 Bb4 10. Be2 Nb6 (10... O-O 11. O-O (11. dxe5 Qc5 12. Qc2 (12. Qc1
Ngxe5 13. a3 Ba5 14. Nd4 Bc4 15. O-O $11 {0.06/9}) (12. Qd4 fxe5 13. Qxc5 Nxc5
14. Ng5 Bd5 15. O-O $11 {-0.03/9}) 12... Ndxe5 13. O-O Bc4 14. Nxe5 Nxe5 15.
Rfc1 $11 {0.09/9}) (11. Qa4 Bxc3+ (11... Qd6 12. a3 (12. O-O Nb6 13. Qc2 Nc4
14. Rad1 Nxb2 15. Qxb2 $14 {0.41/7}) 12... Bxc3+ 13. Bxc3 Nb6 14. Qc2 Nd5 15.
Bd3 $14 {0.41/8}) 12. Bxc3 e4 13. Nd2 Qg5 14. Nxe4 Qxg2 15. Ng3 $11 {0.06/9})
11... Bxc3 (11... Qd6 12. a3 (12. Rc1 Rfe8 13. Qc2 Rad8 14. Qa4 Bxc3 15. Bxc3
$14 {0.38/7}) (12. Qc2 Rad8 13. Rfd1 Qe7 14. Qe4 c6 15. bxc6 $14 {0.31/7}) (12.
dxe5 Ndxe5 13. a3 Bxc3 14. Bxc3 Rfd8 15. Qc2 $14 {0.47/8}) 12... Bxc3 13. Bxc3
Rfd8 14. Bb4 Qd5 15. Rc1 $14 {0.56/8}) 12. Bxc3 $11 c6 13. bxc6 Qxc6 14. Rc1
Qd5 15. dxe5 $14 {0.28/8}) (10... c5 11. dxe5 (11. bxc6 Qxc6 12. Rc1 Bxa2 13.
O-O Bxc3 14. Rxc3 Qb6 15. Ba3 $11 {0.00/8}) 11... Ndxe5 12. a3 (12. Qc2 Rd8 13.
a3 Bxc3+ 14. Qxc3 Nd3+ 15. Bxd3 $15 {-0.44/10}) (12. Qxd5 Bxc3+ 13. Bxc3 Bxd5
14. Nxe5 Nxe5 15. f3 $11 {0.03/10}) (12. O-O Qxd1 13. Rfxd1 Bc4 14. Nxe5 Nxe5
15. Kf1 $11 {-0.03/9}) 12... Bxc3+ 13. Bxc3 O-O-O 14. Qxd5 Bxd5 15. Nxe5 $11 {
0.09/9}) (10... O-O-O 11. a3 (11. Qa4 Bxc3+ 12. Bxc3 Kb8 13. Qc2 e4 14. Nd2 f5
15. Bb4 $14 {0.53/9}) (11. O-O Bxc3 12. Bxc3 Bg4 13. Rc1 e4 14. Nd2 Bxe2 15.
Qxe2 $14 {0.56/8}) 11... Bxc3+ 12. Bxc3 e4 13. Nd2 Nh4 14. g3 Ng6 15. Rc1 $14 {
0.59/8}) (10... e4 11. Nd2 Qg5 12. g4 (12. Ndxe4 Qxg2 13. Bf3 Qh3 14. Ng3 O-O-O
15. Qa4 $11 {0.09/9}) (12. Bf1 f5 13. a3 Be7 14. g4 f4 15. Ncxe4 $11 {0.06/9})
12... Bxc3 13. Bxc3 f5 14. Qc2 Nh4 15. Bb4 $14 {0.50/7}) (10... Rc8 11. Qa4 (
11. O-O Bxc3 12. Bxc3 c5 13. dxe5 Qxd1 14. Rfxd1 Ndxe5 15. Nxe5 $11 {0.06/10})
11... Bxc3+ (11... exd4 12. Nxd4 (12. Qxb4 dxc3 13. Bxc3 c6 14. e4 Qc5 15. Nd4
$14 {0.38/8}) 12... Qxg2 13. Qxb4 Qxh1+ 14. Kd2 Qxh2 15. Nxe6 $16 {0.75/8}) 12.
Bxc3 e4 13. Nd2 Nb6 14. Qa5 Ra8 15. O-O $14 {0.31/9}) (10... Bxc3+ 11. Bxc3 c5
(11... O-O 12. Qc2 Rac8 13. Rd1 Qxa2 14. Qxa2 Bxa2 15. Bd3 $14 {0.31/8}) (11...
Rc8 12. Qc2 (12. Qa4 Nb6 13. Qa3 e4 14. Nd2 Qg5 15. Rg1 $11 {0.25/8}) 12... c6
13. e4 Qd6 14. bxc6 Qxc6 15. Rc1 $14 {0.31/9}) (11... Rd8 12. Rc1 (12. Qc2 c5
13. e4 Qd6 14. dxe5 fxe5 15. Rd1 $11 {0.22/9}) (12. O-O Bg4 13. dxe5 Qxd1 14.
Bxd1 fxe5 15. Ng5 $14 {0.53/10}) 12... e4 13. Nd2 Nh4 14. O-O Qg5 15. g3 $14 {
0.66/9}) (11... e4 12. Nd2 Nh4 13. Rg1 Nb6 14. a4 Nf5 15. Qc2 $16 {0.91/9}) (
11... c6 12. Qc2 (12. bxc6 Qxc6 13. Rc1 e4 14. Ba1 Qd6 15. Nd2 $11 {0.19/10}) (
12. dxe5 Ngxe5 13. bxc6 Nxc6 14. O-O Qxd1 15. Rfxd1 $14 {0.28/9}) 12... cxb5
13. e4 Qd6 14. dxe5 Ngxe5 15. Nxe5 $14 {0.31/9}) 12. bxc6 Qxc6 13. Rc1 e4 14.
Ba1 Qd6 15. Nd2 $11 {0.19/9}) 11. O-O $14 Bxc3 (11... Qd7 12. Qc2 (12. dxe5
Nxe5 13. Nxe5 fxe5 14. Ne4 Bc4 15. Qxd7+ $14 {0.66/8}) (12. a3 Bd6 13. Qc2 O-O
14. Bd3 f5 15. dxe5 $11 {0.25/8}) 12... Nc4 13. dxe5 fxe5 14. Rfd1 Bd6 15. Bxc4
$14 {0.69/8}) (11... Qd6 12. Qc2 (12. dxe5 Nxe5 13. Qc2 Nec4 14. Rfd1 Qe7 15.
Nd4 $14 {0.59/9}) (12. a3 Bxc3 13. Bxc3 Nd5 14. Qc2 e4 15. Nd2 $14 {0.47/9})
12... Nc4 13. Rfd1 Nxb2 14. Qxb2 Bxc3 15. Qxc3 $14 {0.63/9}) 12. Bxc3 e4 (12...
Rd8 13. Qc2 e4 (13... Nc4 14. Rfc1 $14 Nd6 15. dxe5 $16 {0.97/8}) 14. Nd2 f5
15. a4 $16 {0.78/9}) 13. Nd2 O-O (13... f5 14. Bb4 c6 15. Bc5 $14 {0.69/9}) 14.
Qb1 Bf5 (14... Rfe8 15. a4 $16) 15. Ba5 (15. g4 $16 {1.13/8}) 15... Kh8 16.
Bxb6 axb6 17. Bc4 Qd7 18. Nxe4 Rfe8 19. Bd3 1-0

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Regeer, Gerard"]
[Result "1-0"]
[PlyCount "45"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. c4 Ne7 (5... dxc4 6. Qa4 $15) 6.
cxd5 (6. c5 Nd7 $15) 6... Nxd5 7. Nf3 Bd6 8. e4 Nf4 9. d4 Nd7 10. Nbd2 Qe7 (
10... O-O 11. Qc2 $15) 11. d5 Bf7 12. g3 Nh5 (12... Ng6 13. Be2 $11) 13. Be2 g6
14. O-O (14. Rc1 O-O $14) 14... Ng7 (14... f5 15. Bc4 $11) 15. Nc4 $14 O-O (
15... Bc5 16. Rc1 $14) 16. Nxd6 cxd6 17. Nd2 Nc5 18. f4 exf4 19. Rxf4 f5 20.
exf5 Nxf5 21. Nf1 Be8 (21... Qg5 22. Bg4 Be8 23. Bxf5 Rxf5 24. Rxf5 Qxf5 25.
Qd4 $14) 22. Qd2 Na4 $4 (22... Bf7 $142 $14) 23. Rxa4 $18 (23. Rxa4 a6 24. Qc3
$18) 1-0

[Event "corr"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van der Meiden, M."]
[Result "1-0"]
[PlyCount "39"]
[EventDate "1989.??.??"]

1. b4 d5 2. Bb2 e5 3. b5 f6 4. e3 Be6 5. c4 dxc4 $17 6. Qc2 Nd7 (6... Qd5 $142
$5 $17) 7. Bxc4 $11 Bxc4 8. Qxc4 Bd6 9. Nf3 Rc8 (9... a6 10. O-O $11) 10. O-O
Nb6 11. Qe4 c6 12. d4 Nd7 (12... cxb5 13. dxe5 Qe7 14. Bd4 $11) 13. Nbd2 (13.
dxe5 Qe7 $16) 13... Qe7 14. Nc4 Bb8 (14... cxb5 15. Nxd6+ Qxd6 16. dxe5 fxe5
17. Qxb7 $16) 15. bxc6 $16 Rxc6 16. Ba3 (16. dxe5 Qe6 17. Rfc1 b5 18. Qxc6 Qxc6
19. Nd6+ Qxd6 20. exd6 Bxd6 $18) 16... Qf7 17. Na5 (17. d5 Nc5 18. Bxc5 Rxc5
19. Rfd1 $11) 17... f5 $11 18. Qh4 Rh6 19. Rfc1 {The mate threat is Rc8} Nb6 (
19... Bc7 20. Rxc7 Qd5 $18) 20. Qg3 $14 (20. Qg3 Rg6 21. Nxe5 $16) 1-0

[Event "TKM/SF/02"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bendig, Frank"]
[Result "1/2-1/2"]
[PlyCount "87"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Nd7 6. dxe5 fxe5 (6... Nxe5 $143 7.
Bxe5 fxe5 8. Qh5+ g6 9. Qxe5 $14) 7. Nf3 e4 8. Nd4 Bf7 9. Nd2 Qg5 10. c4 Ngf6
11. cxd5 Bxd5 12. Ne2 Bd6 13. Qc2 O-O 14. Ng3 Nc5 15. Bd4 Ng4 (15... Ne6 16.
Bb2 $15 (16. Ngxe4 $2 Nxe4 17. Nxe4 Nxd4 $19)) 16. Bxc5 $11 Nxf2 17. Ndxe4 (17.
Bxd6 cxd6 18. Qc3 Nxh1 19. Nxh1 Qh4+ 20. Ng3 Qxh2 $17) 17... Nxe4 18. Nxe4 Bxe4
19. Qxe4 Bxc5 20. Bd3 Qxe3+ 21. Qxe3 Bxe3 22. Rf1 Rfe8 23. Kd1 g6 (23... Rac8
24. g3 $17) 24. Kc2 Kg7 25. Bc4 Re7 26. Rae1 c6 27. bxc6 bxc6 28. Rf3 Rae8 29.
Ref1 Re4 30. Bd3 Ra4 31. Kb3 Rd4 32. Kc3 Rd7 33. Bc4 Ree7 34. Kb3 Bc5 35. g3 a5
36. a4 Rb7+ 37. Kc2 Bd4 38. Rb3 Rxb3 39. Bxb3 Rb7 40. g4 Bf6 41. h3 (41. Rd1
Re7 $17) 41... c5 42. Rf4 Rb4 43. Rxb4 cxb4 (43... axb4 $143 44. Kd3 $14) 44.
Kd3 1/2-1/2

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Schirmer, Michael"]
[Result "1/2-1/2"]
[PlyCount "48"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Nd7 6. Nf3 e4 7. Nfd2 Bd6 8. c4 c6
9. Nc3 Ne7 10. Qb3 f5 11. Ba3 Bxa3 12. Qxa3 O-O 13. bxc6 bxc6 (13... Nxc6 $2
14. cxd5 (14. Nxd5 $6 Bxd5 15. cxd5 Ne7 $16) 14... Nxd4 15. exd4 $18) 14. Rb1 (
14. cxd5 Nxd5 (14... cxd5 15. Bb5 (15. Nb5 f4 16. Rc1 fxe3 17. fxe3 Rc8 18. Be2
$15 {-0.47/9}) (15. Ba6 Rb8 16. Nb5 f4 17. exf4 Nf5 18. Nb3 $11 {-0.25/8}) (15.
Rc1 f4 16. exf4 Rxf4 17. Nb5 Rc8 18. Rxc8 $11 {0.06/9}) (15. Qd6 Rf6 16. Rb1 f4
17. exf4 a5 18. Nb3 $15 {-0.31/8}) 15... f4 16. O-O fxe3 17. fxe3 Nf5 18. Bc6
$14 {0.28/8}) 15. Rc1 (15. Bc4 Rf6 16. O-O Rg6 17. Rfc1 Qg5 18. Bf1 $11 {0.09/9
}) 15... Nxc3 16. Rxc3 Bd5 17. Ba6 Rb8 18. O-O $11 {0.09/9}) 14... f4 (14...
Nb6 15. c5 Nd7 16. Ba6 Rb8 17. Rxb8 Qxb8 18. O-O $11 {0.25/11}) (14... Rf7 15.
Qd6 (15. Rb7) (15. Be2) (15. Qa6) 15... Rf6 16. Rb7 a6 17. cxd5 Nxd5 18. Nxd5
$14 {0.69/9}) (14... Nf6 15. Rb7 (15. cxd5) 15... Ng6 16. Qc5 Qc8 17. Rxa7 Rxa7
18. Qxa7 $14 {0.47/9}) (14... dxc4 15. Rb7 (15. Bxc4) (15. Qd6) 15... Rf6 16.
Bxc4 Bxc4 17. Nxc4 Qc8 18. Qb3 $14 {0.56/9}) 15. exf4 Rxf4 16. cxd5 (16. Rb7
Nf5 17. Ne2 Rh4 18. Rxa7 $11 {0.03/8}) 16... cxd5 17. Ba6 Rf7 (17... Nf5 18.
Ne2 $11 {0.00/8}) 18. O-O (18. Bb7 Rb8 19. Qxa7 Qc7 $11) 18... Rb8 19. Qd6 Rb6
20. Rxb6 Qxb6 21. Qxb6 Nxb6 22. a4 Nf5 23. a5 Na8 24. Nb3 Kf8 1/2-1/2

[Event "corr NED 1e kl"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Grooten, Paul"]
[Result "1-0"]
[PlyCount "71"]
[EventDate "1990.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Nd7 6. dxe5 fxe5 7. Nf3 Bd6 8.
Nbd2 Nh6 (8... Ngf6 9. Bd3 $15) 9. c4 $11 Nf7 10. cxd5 Bxd5 11. e4 {
Opening the d-file gets White a lot of play} Be6 12. Bc4 Bxc4 13. Nxc4 {
The pressure on the isolated pawn grows} Bb4+ 14. Kf1 (14. Ke2 Qf6 $11) 14...
Qf6 (14... Qe7 $5 $11) 15. Nfxe5 $14 Nfxe5 (15... Ndxe5 16. Nxe5 O-O 17. Qd5
$16) 16. Nxe5 $16 O-O-O 17. Qg4 h5 18. Qh3 (18. Qf5 Qxf5 19. exf5 Rhf8 $14)
18... Bc5 {Do you see the mate threat?} 19. Nd3 Bd4 20. e5 Qb6 21. Bxd4 Qxd4
22. Re1 Kb8 23. Qg3 (23. e6 Nf6 24. Ne5 Rhe8 $14) 23... Nc5 24. Nxc5 Qxc5 25.
h3 (25. Kg1 Rhe8 26. h3 Qxb5 $14) 25... Rd2 26. Kg1 Rxa2 27. e6 Qxb5 (27... Re8
28. Re5 h4 29. Qe3 (29. Qxg7 $4 Qxf2+ 30. Kh2 Qf4+ 31. Qg3 Qxg3+ 32. Kg1 Qxg2#)
29... Qxe3 30. Rxe3 $15) 28. Qxg7 $14 {The mate threat is Qxh8} Rc8 29. e7 Re2
30. Rxe2 Qxe2 31. Qf7 h4 (31... Qe5 $5 $14) 32. Kh2 $16 a6 33. Rc1 Qe5+ 34. Kg1
Ka7 35. Qf8 Rb8 $4 (35... Kb8 $142 $16) 36. Rd1 $18 (36. Rd1 Rxf8 37. exf8=Q
$18) 1-0

[Event "corr NED BV"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Meulenbroek, K."]
[Result "1-0"]
[PlyCount "59"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Nd7 6. dxe5 fxe5 7. Nf3 Bd6 8.
Nbd2 Ngf6 9. c4 c6 10. Be2 O-O 11. Ng5 Qe7 12. Nxe6 $11 Qxe6 13. O-O Kh8 (13...
Rac8 14. bxc6 bxc6 15. Rb1 $15) 14. a4 d4 (14... Rac8 $5 $11) 15. exd4 $14 exd4
16. Bf3 (16. Re1 Be5 $14) 16... Nc5 (16... Be5 17. Ba3 Rfd8 18. Re1 $11) 17. g3
(17. Re1 Qd7 18. Nf1 $11) 17... Be5 $11 18. Ba3 Bd6 (18... Qd6 19. Nb3 Nfd7 20.
bxc6 Rxf3 21. Qxf3 bxc6 22. Na5 $18) 19. bxc6 $14 bxc6 20. Bxc6 Rac8 (20...
Rad8 21. Re1 Qc8 22. Bf3 $14) 21. Bg2 Rfe8 22. Nf3 Nfe4 23. Nxd4 (23. Qxd4 $6
Nb3 24. Qxa7 Nxa1 25. Rxa1 Bxa3 26. Rxa3 Rxc4 $15) 23... Qxc4 24. Nb5 Be5 25.
Rc1 Nc3 26. Rxc3 $4 (26. Nxc3 Bxc3 27. Bd5 Qd3 28. Bxc5 Qxd1 29. Rfxd1 Rxc5 $16
) 26... Bxc3 27. Nd6 (27. Nxa7 $143 Rcd8 28. Qh5 Nxa4 $15) 27... Qe6 28. Bf3 (
28. Nxc8 Qxc8 29. Qc2 Bd4 $16) 28... Qe7 (28... Red8 29. Bxc5 Rxc5 30. Nf7+
Qxf7 31. Qxd8+ Qg8 32. Rd1 $16) 29. Nxc8 (29. Qd5 Rf8 $16) 29... Rxc8 30. Bg4 (
30. Bg4 Re8 31. Qd5 $18) 1-0

[Event "corr 3GMM-31"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Krasny, Henryk Jan"]
[Result "1-0"]
[PlyCount "51"]
[EventDate "1996.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 e4 6. c4 c6 7. Qb3 Nd7 8. Nc3 Qa5
9. c5 (9. bxc6 $142 $5 bxc6 10. Qb7 $16) 9... Ne7 10. Ba3 (10. Nge2 Nf5 $11)
10... Bg4 (10... Nf5 11. bxc6 bxc6 12. Bb4 $11) 11. Rb1 (11. Bb4 Qc7 $11) 11...
Qc7 (11... Rc8 12. Bb4 Qd8 13. bxc6 bxc6 14. h3 $14) 12. h3 Bh5 (12... Bf5 13.
bxc6 bxc6 14. Qd1 $11) 13. Nge2 Rb8 14. Qa4 Ra8 15. Bb4 Bf7 16. Nf4 Ng6 (16...
Nf5 17. Be2 $14) 17. bxc6 $16 bxc6 18. Nxg6 (18. Ba5 Qc8 $14) 18... hxg6 (18...
Bxg6 $142 19. Ba5 Qc8 $16) 19. Ba6 Nb6 (19... Rb8 20. Be2 $14) 20. cxb6 axb6
21. Bxf8 Rxf8 22. O-O Rh8 23. Rfc1 Kd8 (23... Be6 24. Ne2 Bd7 25. Nf4 $18) 24.
Nb5 (24. Ne2 Qa7 $16) 24... cxb5 25. Qxb5 (25. Rxc7 bxa4 26. Rb7 Rxa6 27. Rb8+
Ke7 28. Rxh8 Be8 $16) 25... Qa7 26. Qc6 (26. Qc6 b5 27. Bxb5 $18) 1-0

[Event "corr TT"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Labahn, Wolfgang"]
[Result "1-0"]
[PlyCount "77"]
[EventDate "1993.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 e4 6. c4 c6 7. Qb3 f5 8. Nc3 (
8. bxc6 Nxc6 9. Qxb7 Bd7 $11) 8... Nf6 (8... dxc4 9. Bxc4 Bxc4 10. Qxc4 $11) 9.
Nh3 (9. bxc6 bxc6 10. Nh3 Nbd7 $11) 9... Be7 (9... dxc4 10. Bxc4 Bxc4 11. Qxc4
$11) 10. bxc6 {White fights for the Initiative} bxc6 (10... Nxc6 11. Nf4 Na5
12. Qd1 $11) 11. Nf4 $14 Bf7 12. cxd5 O-O (12... Nxd5 13. Bc4 Nd7 14. Ncxd5
cxd5 15. Bxd5 Bxd5 16. Qxd5 Rb8 $18) 13. Ne6 $16 Bxe6 14. dxe6 f4 {
The passed pawn on e6 will quickly become a dangerous weapon} (14... a5 15. Qb7
Na6 16. Bxa6 $16) 15. Bc4 (15. exf4 Qxd4 16. Rd1 Qb6 $18) 15... fxe3 16. fxe3
Ng4 (16... Na6 17. Bxa6 Rb8 18. Qc2 $16) 17. Nxe4 Qa5+ 18. Nd2 Qg5 19. Rf1 (19.
e4 Ne3 20. g3 Ng2+ 21. Kd1 Ne3+ 22. Ke2 Nxc4 23. Qxc4 Qh5+ 24. Ke1 a5 $18)
19... Qxe3+ (19... Nxe3 $5 20. Rxf8+ Kxf8 $16) 20. Qxe3 $18 Nxe3 21. Rxf8+ Kxf8
22. Ke2 Nxc4 23. Nxc4 Na6 24. Ne5 (24. Rf1+ Bf6 25. Ba3+ Kg8 $18) 24... Nc7 25.
Nxc6 Bd6 26. Rf1+ Ke8 27. e7 (27. Kd3 Nxe6 28. d5 Nf4+ 29. Ke4 g5 $18) 27...
Bxe7 28. Nxe7 (28. Kd3 Rc8 $18) 28... Kxe7 29. Rf5 Re8 (29... Ke6 30. Re5+ Kd7
31. Ba3 $16) 30. Kd3 $18 g6 31. Ba3+ Ke6 32. Re5+ Kd7 33. Rxe8 (33. Ke4 a6 $18)
33... Nxe8 34. d5 Nf6 35. Kd4 Ng4 (35... g5 36. h3 $18) 36. h3 Nh6 (36... Nf2
37. Bc1 $18) 37. Ke5 Nf5 38. Bc5 a6 39. g4 (39. g4 Ng3 40. g5 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van Geemen, Jan"]
[Result "*"]
[PlyCount "33"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 e4 $11 6. c4 c6 7. Qb3 f5 8. Nc3 (
8. c5 b6 $11) 8... Nf6 (8... dxc4 9. Bxc4 Bxc4 10. Qxc4 $11) 9. Nh3 (9. bxc6
Nxc6 10. cxd5 Nxd5 11. Qxb7 Ndb4 $15) 9... Qd7 (9... dxc4 10. Bxc4 Bxc4 11.
Qxc4 $11) 10. Nf4 (10. c5 Bxc5 11. dxc5 d4 $14) 10... dxc4 11. Bxc4 Bxc4 12.
Qxc4 cxb5 (12... Bd6 13. Ne6 $11) 13. Nxb5 Na6 14. O-O Qc6 (14... Rc8 15. Qb3
Ra8 16. Ne6 $16) 15. Qe6+ (15. Qa4 $142 $5 Qd7 16. d5 $16) 15... Qxe6 $11 16.
Nxe6 Kd7 17. Nxf8+ *

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Krijger, Martin"]
[Result "0-1"]
[PlyCount "56"]
[EventDate "1992.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. Nf3 Nd7 6. d3 (6. Be2 Bd6 $11)
6... Bc5 (6... a6 7. d4 e4 8. Nfd2 $15) 7. Nbd2 (7. d4 Bb4+ 8. c3 Bd6 $11) 7...
Ne7 (7... Nb6 8. a4 $11) 8. d4 $11 Bd6 9. dxe5 Nxe5 10. Nxe5 (10. Be2 Qd7 $11)
10... Bxe5 (10... fxe5 11. Nf3 Ng6 12. Bd3 $15) 11. Bxe5 $11 fxe5 12. Qh5+ Ng6
13. c4 c6 (13... O-O 14. Bd3 e4 15. cxd5 $11) 14. Bd3 (14. Rc1 $142 $11) 14...
O-O (14... e4 $142 $5 15. cxd5 cxd5 $15) 15. Bxg6 $16 hxg6 16. Qxe5 Re8 (16...
Qf6 17. Qxf6 gxf6 18. Rc1 $14) 17. Qc3 (17. bxc6 bxc6 18. c5 Qf6 $16) 17...
cxb5 (17... d4 18. Qb3 $14) 18. cxb5 $16 Rc8 {Black begins to deal mighty blows
} (18... Qg5 19. g3 $16) 19. Qb4 (19. Qa3 Qb6 $16) 19... d4 20. e4 (20. O-O
dxe3 21. fxe3 Rc2 $16) 20... Qg5 21. O-O (21. Qxd4 Qxg2 22. Rf1 Bc4 23. Nxc4
Rxe4+ 24. Ne3 Qxf1+ (24... Rxd4 $4 25. Nxg2 Rc2 26. Ne3 $18) 25. Kxf1 Rxd4 $19)
21... Bh3 (21... Qc5 22. a3 $16) 22. Qb3+ Be6 23. Nf3 (23. Qd3 Qf6 $16) 23...
Bxb3 24. Nxg5 Ba4 25. Rfb1 (25. b6 axb6 26. f4 d3 $11) 25... d3 26. Rb4 $4 (26.
b6 Bc2 27. Rb2 $15) 26... d2 $19 {Threatening mate: Rc1} 27. Nf3 $4 (27. Rbb1
Red8 28. f4 $19) 27... Rc1+ 28. Rxc1 dxc1=Q+ (28... dxc1=Q+ 29. Ne1 Qxe1#) 0-1

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Andersson, Lars H"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "58"]
[EventDate "1991.??.??"]

1. b4 e5 $15 2. Bb2 f6 3. e4 c6 4. Bxe5 fxe5 $15 5. Qh5+ g6 $4 6. Qxe5+ $18 Qe7
7. Qxh8 Nf6 8. Nf3 (8. d3 Qxb4+ 9. Nd2 Qc3 $18) 8... d6 (8... Nxe4 9. Be2 $18
Qxb4 (9... d5 10. c3 a5 11. d3 Qf6 12. Qxf6 Nxf6 13. bxa5 $18 {2.06}) 10. Bd3
d5 11. Bxe4 dxe4 12. Ng5 h6 13. Qe5+ $18 {2.00}) 9. e5 (9. d3 Kd7 (9... d5 10.
e5 Qxb4+ 11. Nbd2 Qc3 $18 12. Rb1 Nfd7 13. Kd1 $18 {3.03}) 10. g3 Kc7 11. Nh4
Bg7 12. Nxg6 Qf7 13. Qxc8+ $19 {-3.09}) (9. Nc3 Kd7 (9... Nxe4 10. Nxe4 Qxe4+
11. Kd1 Bg4 12. Be2 Qxb4 13. Re1 $18 {2.81}) 10. Bc4 Kc7 11. Nd4 Bg7 12. Ncb5+
cxb5 13. Nxb5+ $18 {2.09}) 9... dxe5 (9... Nbd7 10. Nc3 Nxe5 11. Nxe5 Bf5 12.
O-O-O dxe5 13. Bd3 $14) 10. Bc4 Bf5 11. Ng5 (11. c3 Kd7 (11... Nbd7 12. Ng5 (
12. O-O O-O-O 13. d4 $19 {-1.59}) 12... h6 (12... O-O-O $16 13. Nf7 $16) 13.
Nf7 $16) 12. Bf7 Kc7 13. Ng5 $14) (11. O-O Kd7 12. Nxe5+ Qxe5 13. Qxf8 $18 {
2.00}) 11... Nbd7 (11... Kd7 12. Nf7 Be4 13. O-O $18 {2.06}) 12. Bf7+ (12. c3
h6 (12... O-O-O 13. Nf7 Re8 $14) 13. Nf7 $16) (12. b5 O-O-O 13. bxc6 $16 {1.06}
) 12... Kd8 13. Nxh7 $4 (13. Bb3 $142 $18) 13... Nxh7 14. Qxh7 Nf6 15. Qh4 Qxf7
16. d3 Be7 (16... e4 17. a3 $17) 17. a3 (17. Qh8+ $5 Qe8 18. Qxe8+ Kxe8 19. a3
$17) 17... Nh5 $17 {Black is in command} 18. Qc4 Qxc4 19. dxc4 Bxc2 20. Kd2 Bf5
21. Rd1 Kc7 22. Nc3 Rd8+ 23. Ke3 Rd4 $1 24. c5 (24. Rxd4 exd4+ {A double attack
}) 24... Rc4 25. Nb1 Rc2 {Do you see the mate threat?} 26. Nd2 (26. h4 $19)
26... Bg5+ 27. Ke2 Nf4+ 28. Kf1 (28. Ke1 $19) 28... Bd3+ 29. Kg1 Ne2+ (29...
Ne2+ 30. Kh1 Bxd2 $19 (30... Rxd2 $6 31. Rxd2 Bxd2 32. Rd1 $19)) 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Den Broeder, G."]
[Result "1/2-1/2"]
[PlyCount "63"]
[EventDate "1991.??.??"]

1. b4 e6 2. b5 Be7 (2... d5 3. Bb2 $11) 3. Bb2 $11 Bf6 4. d4 (4. Nc3 d5 $11)
4... a6 (4... d5 5. e3 $15) 5. e3 $11 Ne7 6. c4 (6. bxa6 Nxa6 7. Bb5 c6 $15)
6... c5 (6... axb5 7. cxb5 d5 8. Qc2 $11) 7. Nf3 (7. bxc6 dxc6 8. Nc3 Qa5 $11)
7... d6 (7... axb5 8. Qb3 bxc4 9. Bxc4 $17) 8. Qb3 (8. bxa6 Nxa6 9. Be2 cxd4
10. exd4 O-O $11) 8... O-O 9. Be2 b6 (9... axb5 10. Qxb5 Ra5 11. Qb3 $11) 10.
O-O $11 a5 (10... Bb7 11. bxa6 Nxa6 12. Nc3 $11) 11. Nbd2 Bb7 12. Rad1 Qc7 13.
a4 Nd7 14. e4 Rad8 15. Rfe1 Ng6 (15... cxd4 16. Bxd4 Nc5 17. Qc2 $11) 16. g3 (
16. Qd3 $5 $14) 16... cxd4 $15 17. Nxd4 Nc5 18. Qc2 Qd7 19. Bf3 Ne5 20. Bg2
Ncd3 (20... Ned3 21. Re2 $17) 21. Re3 Nxb2 22. Qxb2 Ng6 (22... Qc7 23. Rc3 $17)
23. N2f3 Qe7 24. Qc2 d5 (24... Ne5 $142 $5 $15) 25. exd5 (25. cxd5 exd5 26.
exd5 $16) 25... Bxd4 (25... Qc5 $5 $14) 26. Rxd4 (26. Nxd4 Qc5 $18) 26... Qf6
27. Rd1 (27. Qe4 $142 $5 $16) 27... exd5 $14 28. Nd4 (28. c5 bxc5 29. Qxc5 Rfe8
$14) 28... Rc8 (28... dxc4 29. Qxc4 Bxg2 30. Kxg2 $11) 29. Qf5 (29. Rf3 Qg5 30.
Rf5 $16) 29... Qxf5 30. Nxf5 Rxc4 31. Ne7+ (31. Nd6 Ba8 32. Nxc4 dxc4 33. Rc3
$18) 31... Nxe7 $15 32. Rxe7 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Den Broeder, G."]
[Result "1-0"]
[PlyCount "79"]
[EventDate "1991.??.??"]

1. b4 e6 2. b5 c6 3. c4 (3. e4 d5 $11) 3... Qf6 (3... d5 4. cxd5 exd5 5. bxc6
Nxc6 6. Bb2 $15) 4. Nc3 $11 Bc5 {Threatening mate: Qxf2} 5. e3 Bd6 (5... cxb5
6. Bb2 e5 7. Ne4 $14) 6. Rb1 (6. Ne4 Qe5 7. Nxd6+ Qxd6 $16) 6... c5 (6... cxb5
$5 7. Ne4 Qe7 8. Nxd6+ Qxd6 9. Rxb5 Nf6 $14) 7. Nf3 Qf5 (7... e5 8. d4 exd4 9.
Ne4 $16) 8. Bb2 Nf6 9. d4 O-O (9... cxd4 10. Nxd4 Qc5 11. Bd3 $16) 10. Bd3 $16
Qg4 11. O-O b6 12. h3 Qh5 13. Ne4 Nxe4 $4 (13... Ne8 $142 $16) 14. Bxe4 $18 Nc6
15. bxc6 Rb8 (15... f5 16. cxd7 fxe4 17. dxc8=Q Raxc8 18. Ne5 Qxd1 19. Rfxd1
cxd4 20. Bxd4 $18) 16. d5 (16. cxd7 Bxd7 17. Ne5 Qxd1 18. Rfxd1 Bxe5 19. dxe5
Ba4 $18) 16... f5 (16... dxc6 17. dxe6 (17. dxc6 $143 Rd8 $18) 17... Rd8 18.
Ne5 $18 (18. Bxc6 $6 Bh2+ 19. Kxh2 Rxd1 20. exf7+ Qxf7 21. Rfxd1 Be6 $18)) 17.
Bd3 (17. dxe6 Be7 18. c7 Rb7 19. Bxb7 Bxb7 20. exd7 Rd8 $18) 17... exd5 (17...
dxc6 18. dxc6 Rd8 19. Ne5 $18) 18. cxd7 (18. cxd5 dxc6 19. dxc6 Be6 $18) 18...
Bxd7 19. Be2 Qg6 20. Be5 (20. Qxd5+ Qe6 $18) 20... d4 21. exd4 Bxe5 (21... Rbe8
22. dxc5 Bxe5 23. Qxd7 bxc5 24. Bd3 $18) 22. Nxe5 Qd6 23. Nxd7 Qxd7 24. d5 (24.
dxc5 Qxd1 25. Rfxd1 bxc5 $18) 24... Qd6 25. Bf3 Rb7 (25... Rfe8 26. Re1 $18)
26. Re1 Qf4 (26... Rd7 27. Qe2 $18) 27. Rb3 (27. Qe2 Rd8 $18) 27... g5 (27...
Qxc4 28. d6 Rbf7 29. Bd5 $18) 28. d6 Rd7 29. Re7 (29. Bd5+ $5 Kg7 30. Rd3 Qxd6
$18) 29... Rxd6 30. Bd5+ Kh8 31. g3 (31. Qb1 $5 Rfd8 $18) 31... Qxc4 32. Bxc4 (
32. Rd3 $142 $5 Qa6 $18) 32... Rxd1+ 33. Kg2 Rd4 {Black intends f4} 34. Ba6 (
34. Rc3 Ra8 $18) 34... Ra4 (34... Ra8 35. Rbe3 $18) 35. Rxa7 f4 36. g4 (36.
Rxb6 f3+ 37. Kh2 Rxa2 $18) 36... Rxa2 (36... c4 37. Rxb6 Rd8 38. Rbb7 $18) 37.
Rxb6 c4 (37... f3+ 38. Kg3 Ra1 39. Rb2 $18) 38. Rh6 {
Do you see the mate threat?} Rxa6 (38... f3+ 39. Kg3 Rf4 40. Rhxh7+ Kg8 41. Rh5
Rxa6 42. Rxg5+ Kf8 43. Rxa6 $18 (43. Kxf4 $6 Rxa7 44. Rc5 Ra2 $18)) 39. Rhxa6 (
39. Rhxh7+ Kg8 40. Rag7#) 39... c3 $18 40. Ra8 (40. Ra8 Rxa8 41. Rxa8+ Kg7 42.
Rc8 $18) (40. Rc6 f3+ 41. Kg3 Re8 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Baris"]
[Result "0-1"]
[PlyCount "100"]
[EventDate "1994.??.??"]

1. b4 e6 2. b5 c6 3. c4 a6 (3... d5 4. cxd5 exd5 5. bxc6 Nxc6 6. Bb2 $15) 4.
Nc3 (4. e4 axb5 5. cxb5 d5 $11) 4... Qa5 (4... axb5 5. cxb5 d5 6. Nf3 $15) 5.
Qa4 (5. e4 $142 $5 $11) 5... Qxa4 6. Nxa4 axb5 $2 (6... Ne7 $142 $11) 7. Nb6
$16 Ra6 8. Nxc8 Kd8 9. cxb5 cxb5 10. e3 (10. e4 Kxc8 11. Bxb5 Ra5 $14) 10...
Kxc8 $11 11. Bxb5 Ra5 12. a4 Nc6 (12... d5 13. Bb2 $11) 13. Ba3 (13. Bb2 $5 $14
) 13... Bxa3 $11 14. Rxa3 Nge7 (14... Nf6 15. Rc3 $11) 15. Nf3 (15. d4 d5 $11)
15... Kc7 (15... d5 16. d4 $11) 16. O-O (16. d4 d5 $14) 16... Rha8 (16... d5
$142 $11) 17. Rc1 $2 (17. Rb1 $142 $11) 17... Rxb5 $19 18. Rca1 $4 (18. axb5
Rxa3) 18... Rb4 (18... Rba5 19. d4 $19) 19. a5 (19. d4 Ra5 $19) 19... h6 (19...
Rb5 20. d4 $19) 20. g3 (20. d4 Rb5 21. Kf1 Rbxa5 22. Rxa5 Rxa5 23. Rxa5 Nxa5
$19) 20... Nd5 (20... Rb5 21. a6 $19) 21. a6 (21. d4 Rb2 $19) 21... bxa6 22.
Rxa6 Rxa6 23. Rxa6 Rb1+ 24. Kg2 Ndb4 25. Ra4 (25. Ra3 d5 $19) 25... Nd3 26. Rc4
(26. Ra3 Ncb4 $19) 26... Ne1+ (26... Kd6 $142 $5 27. Rc3 Ncb4 28. h3 $19) 27.
Nxe1 Rxe1 28. Rc2 (28. d4 d5 29. Rc2 Kd6 $19) 28... Rb1 (28... d5 29. d4 $19)
29. d4 d5 30. Ra2 (30. h3 Kd6 $19) 30... Kb7 (30... Kd6 31. h3 $19) 31. Kf3 (
31. h3 Nb4 32. Ra3 Nc2 $19) 31... Nb4 32. Re2 (32. Ra3 Nc2 33. Ra2 Ne1+ 34. Ke2
Kc6 $19) 32... Nd3 33. Ra2 Rb2 (33... Kc6 34. Ra3 Ne1+ 35. Kg4 $19) 34. Rxb2+
Nxb2 35. Ke2 (35. h3 Nc4 $19) 35... Kb6 (35... Kc6 36. f3 $19) 36. Kd2 (36. f3
Nc4 $19) 36... Kb5 37. Kc2 Nc4 38. Kc3 (38. h3 h5 $19) 38... Nd6 (38... g6 39.
h3 $19) 39. f3 Nf5 (39... Kc6 40. h3 $19) 40. Kd3 Kc6 41. e4 dxe4+ (41... Nd6
42. h3 $19) 42. fxe4 Nd6 43. e5 (43. h3 h5 $19) 43... Nb5 44. Ke4 (44. Kc4 Na3+
45. Kc3 Kd5 $19) 44... Nc3+ 45. Kd3 Nd1 (45... Nd5 46. h4 $19) 46. Ke2 Nb2 47.
Ke3 (47. h3 Kd5 48. Ke3 Nd1+ 49. Kd3 Nf2+ 50. Ke3 Nxh3 $19) 47... Kd5 48. h3
Nd1+ 49. Kd3 Nf2+ 50. Ke3 Nxh3 (50... Nxh3 51. Kd3 Nf2+ 52. Ke3 Ng4+ 53. Kd3
Nxe5+ 54. dxe5 Kxe5 $19) 0-1

[Event "corr SOK-92-91"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Szabo, Michael"]
[Result "1-0"]
[PlyCount "65"]
[EventDate "1992.??.??"]

1. b4 e6 2. Bb2 d6 3. c4 Nc6 (3... Nf6 4. Nf3 $11) 4. b5 $11 Nce7 5. e4 e5 (
5... Nf6 6. Bxf6 gxf6 7. d4 $11) 6. d4 exd4 7. Bxd4 c5 (7... Nf6 $5 $11) 8. Bc3
$14 Be6 9. Nd2 a6 10. a4 axb5 11. axb5 (11. cxb5 $6 d5 $15) 11... Rxa1 12. Qxa1
f6 13. f4 Nh6 (13... Nc8 $5 $14) 14. Bxf6 $1 $18 gxf6 (14... Rg8 $5 15. Bc3 Ng4
$18) 15. Qxf6 {A double attack} Nf7 16. Qxe6 Bg7 17. Ngf3 O-O (17... Qa5 18.
Nh4 $18) 18. g3 Bc3 19. Bg2 Kh8 20. O-O Ng6 21. Bh3 Qb8 22. Bf5 Nd8 (22... Kg7
23. Nb3 $18) 23. Qd7 Nf7 (23... Rf7 24. Qc8 Qxc8 25. Bxc8 $18) 24. b6 Qa8 (
24... Kg8 25. Be6 Ba5 26. Bd5 $18) 25. Be6 Nd8 26. Ng5 {White plans f5} Bd4+
27. Kg2 Bg7 28. f5 Ne5 (28... Qa5 29. Qxd6 (29. fxg6 Qxd2+ 30. Kh3 Nxe6 31.
Nf7+ Rxf7 32. Rxf7 Qh6+ 33. Kg2 Nf8 34. Qxb7 hxg6 $18) 29... Ne5 30. Kh1 $18)
29. Qxd6 Nxe6 (29... Qa5 $18) 30. fxe6 (30. Nxe6 $142 Qb8 31. Qc7 Qxc7 32. bxc7
$18) 30... Nf7 $4 (30... Rd8 31. Qxc5 Rxd2+ 32. Kg1 Kg8 $16) 31. Rxf7 (31. exf7
$142 Rd8 32. Qxc5 $18) 31... Rd8 32. Rd7 Rc8 33. Qe7 (33. Qe7 Qa1 34. Rd8+ Rxd8
35. Qxd8+ Bf8 36. Qxf8#) 1-0

[Event "corr"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Geemen, Jan"]
[Result "*"]
[PlyCount "137"]
[EventDate "1988.??.??"]

1. b4 e6 2. Bb2 Qh4 3. a3 f5 4. Nf3 Qh6 5. e3 Nf6 6. c4 (6. Nc3 a5 $14) 6...
Be7 7. Be2 (7. Nc3 a5 $14) 7... b6 (7... a5 8. Qa4 $14) 8. d4 (8. Nc3 O-O $14)
8... Bb7 9. Nbd2 (9. Nc3 O-O $14) 9... Nc6 (9... a5 10. Bc3 $11) 10. O-O a5 (
10... O-O 11. Nb3 $14) 11. b5 Nd8 12. Ne5 d6 13. Nd3 O-O 14. Nf4 a4 (14... Rc8
15. Bf3 $14) 15. Rc1 (15. Bf3 Ne4 $14) 15... Ne4 16. Nf3 g5 (16... Qf6 17. Qc2
$14) 17. Nd3 g4 (17... Bf6 18. Nd2 $14) 18. Nd2 Bf6 19. Nxe4 Bxe4 20. Rc3 (20.
Nf4 Bg5 $14) 20... c5 $11 21. bxc6 Nxc6 22. Bc1 (22. Nf4 e5 23. Nd5 Qh4 $14)
22... Bxd3 (22... e5 $5 23. d5 Bxd3 24. Rxd3 e4 $11) 23. Rxd3 (23. Bxd3 Qh5 $16
) 23... Bg5 (23... e5 24. Bb2 Ra5 25. Bc3 $16) 24. f3 (24. d5 Ne5 25. Rd4 Be7
$16) 24... gxf3 (24... g3 25. hxg3 Rac8 26. f4 $18) 25. Rxf3 (25. Bxf3 Rfc8 $16
) 25... Ne7 (25... Qg6 26. Qd2 $14) 26. Rh3 Qf6 27. Bf3 Ra7 28. Qd2 (28. Rc3 f4
$16) 28... Rc7 $14 29. Qb4 d5 30. Rc3 Rfc8 31. Qxb6 (31. Be2 dxc4 32. Qxa4 Nd5
$11) 31... Rxc4 {Opening the c-file gets Black a lot of play} (31... e5 32. Qa5
exd4 33. Rd3 $11) 32. Rxc4 Rxc4 (32... dxc4 $143 33. Bb7 Rb8 34. Qc7 $16) 33.
Qb2 Ng6 (33... Rc8 34. Bd2 $11) 34. Be2 Rc8 35. Ba6 (35. Bb5 Rb8 $11) 35... Rc7
36. Bb5 e5 37. Bxa4 exd4 38. Bd2 (38. Qb8+ Qd8 39. Qxd8+ Bxd8 $11) 38... dxe3
$11 39. Qxf6 (39. Qb8+ $5 Qd8 40. Qxd8+ Bxd8 41. Rxe3 $11 (41. Bxe3 Rc3 42. Bd7
Rxe3 43. Rxe3 Bb6 $19)) 39... Bxf6 $15 40. Bxe3 (40. Rxe3 $2 Bd4 41. Kf1 Bxe3
42. Bxe3 Rc3 $19) 40... Rc3 41. Bb6 (41. Bd7 d4 (41... Rxa3 $6 42. Bxf5 d4 43.
Bd2 Rxh3 44. Bxh3 $11) 42. Be6+ Kh8 $11) 41... Rxh3 42. gxh3 Ne5 (42... Kf7 43.
Bd7 f4 44. a4 $17) 43. Bc2 $15 f4 44. a4 (44. Bc7 Kg7 $15) 44... Nc4 $17 45.
Bc7 (45. Bc5 h6 $15) 45... Bd4+ 46. Kh1 f3 47. a5 (47. Bd3 $142 $17) 47... Kf7
$4 (47... Ne3 $142 48. Bd3 f2 $19) 48. Bxh7 $11 Ke7 (48... Nd2 49. Bd3 Ke6 50.
Bb6 $11) 49. a6 Kd7 50. Bb8 Kc6 51. a7 $2 (51. Bg6 Kb6 52. a7 Kb7 $11) 51...
Kb7 $15 52. Bg8 Ne3 53. Kg1 Nd1+ (53... Bxa7 $143 54. Bxa7 Kxa7 55. Bxd5 Nxd5
56. Kf2 $14) 54. Kf1 Bxa7 55. Bxa7 Kxa7 56. h4 (56. Bxd5 Ne3+ 57. Kf2 Nxd5 58.
Kxf3 Kb6 $16) 56... Kb6 (56... d4 57. Bb3 Nc3 58. h5 $14) 57. h5 (57. Bxd5 Ne3+
58. Kf2 Nxd5 59. Kxf3 Nf6 $16) 57... Kc5 (57... d4 $142 $5 $11) 58. Be6 {
White launches an attack} Ne3+ 59. Kf2 Nc4 (59... Kd6 $5 60. Bxd5 Ng4+ 61. Kxf3
Kxd5 $16) 60. h6 $18 Ne5 61. h7 Ng6 62. h4 (62. Kxf3 d4 $18) 62... Kd6 (62...
d4 63. h5 (63. Kxf3 $6 d3 $18) 63... Nh8 64. Kxf3 $18) 63. Bg8 (63. Bxd5 Kxd5
64. Kxf3 Ke5 $16) 63... Ke5 (63... d4 64. Bc4 $16) 64. Kxf3 (64. Bxd5 Kxd5 65.
Kxf3 Ke5 $18) 64... d4 65. Kg4 (65. h5 $142 $5 Nh8 66. Be6 Kxe6 67. Ke4 $16)
65... Kf6 $14 66. h5 Nh8 $2 (66... Ne5+ 67. Kf4 Kg7 68. Ke4 $16) 67. Kf3 (67.
Kf4 $5 $18) 67... Kf5 68. Bc4 Kg5 (68... Ke5 69. Bd3 $16) 69. Ke4 $18 *

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "van Dalsen, Jan"]
[Result "0-1"]
[PlyCount "110"]
[EventDate "1994.??.??"]

1. b4 b5 2. Bb2 (2. e4 a5 $11) 2... e6 (2... a5 3. bxa5 Nf6 4. a4 Rxa5 5. Nc3
$11) 3. e3 (3. a4 bxa4 (3... Bxb4 $2 4. Bxg7 (4. axb5 $6 Nf6 $11) 4... Bb7 5.
Bxh8 $18) 4. Rxa4 d5 $11) 3... a6 (3... Bb7 4. a4 (4. Bxb5 $2 Bxg2 (4... Bxb4
5. Qg4 (5. Bxg7 Nf6 6. Bxh8 Bxg2 $18) 5... a6 6. Qxg7 (6. Qxb4 axb5 7. Bxg7 c5
8. Qxc5 d6 9. Qxb5+ Bc6 $18) 6... axb5 7. Qxh8 $18) 5. Qg4 Bxh1 $19) 4... Bxb4
5. Bxg7 (5. axb5 $6 Nf6 $11) (5. Bxb5 Qg5 6. Ne2 a6 $17 (6... Qxg2 $2 7. Rg1
Qxh2 8. Bxg7 $18 (8. Rxg7 $143 h5 $15)) (6... Bxg2 7. Rg1 e5 8. h4 $14)) 5...
Bxg2 6. Bxg2 $18 (6. Bxh8 Bxh1 7. Qg4 Bxd2+ 8. Nxd2 Nf6 $18)) 4. Nf3 (4. Be2
$142 $11) 4... Bxb4 $4 (4... Nf6 $142 5. a4 Bxb4 $11) 5. Bxg7 $18 Nc6 6. Bxh8
f6 (6... Bb7 7. a4 bxa4 8. c3 $18) 7. Nh4 (7. a4 bxa4 8. c3 Bc5 $18) 7... Qe7
8. Qh5+ Kd8 9. Bd3 (9. a4 bxa4 10. c3 Bc5 $18) 9... f5 10. Nc3 (10. c3 Bc5 $18)
10... d5 (10... Nf6 11. Qh6 Ng4 12. Nxf5 exf5 13. Qh5 $18) 11. f4 (11. a4 bxa4
12. Rxa4 Nf6 13. Bxf6 Qxf6 $18) 11... Bd7 (11... Nf6 12. Bxf6 Qxf6 13. Qxh7 $18
) 12. Qg5 (12. a4 $5 Be8 13. Qg5 Qxg5 14. fxg5 bxa4 $18) 12... Qxg5 13. fxg5
Kc8 (13... Nce7 14. g4 c5 15. gxf5 exf5 16. Rf1 $18) 14. O-O Kb7 (14... Nge7
15. Rab1 $18) 15. Nf3 (15. Rab1 Nge7 16. Bf6 Bxc3 17. Bxc3 Rg8 $18) 15... Nge7
16. Ne5 (16. Bf6 Bxc3 17. Bxc3 Rg8 $18) 16... Be8 (16... Rxh8 17. Nxd7 Rd8 18.
Nf6 $18) 17. Bf6 (17. Nf3 Bd7 18. Bf6 Bxc3 19. Bxc3 Rg8 $18) 17... Bd6 (17...
Bxc3 18. dxc3 Nxe5 19. Bxe5 $18) 18. Nxc6 (18. Nf3 Nb4 $18) 18... Bxc6 19. Bxe7
(19. Be2 Rg8 $18) 19... Bxe7 20. h4 Rg8 (20... b4 21. Rab1 $18) 21. Ne2 (21. g4
b4 22. Ne2 fxg4 $18) 21... h6 (21... Bb4 22. c3 Bd6 23. g4 $18) 22. Nf4 (22.
gxh6 Rh8 $18) 22... hxg5 (22... e5 23. Ne6 hxg5 24. hxg5 $18 (24. Rxf5 gxh4 25.
Rxe5 Bf6 $16)) 23. hxg5 (23. Nxe6 gxh4 24. Bxf5 Bd6 $18) 23... Bd7 24. g6 c6 (
24... Bd6 25. a4 $18) 25. Rf3 (25. a4 Bd6 $18) 25... e5 (25... Bd6 26. Rh3 $18)
26. Bxf5 (26. Nh3 e4 27. Bxe4 dxe4 $16) 26... Bxf5 27. Nxd5 $1 cxd5 28. Rxf5
Rxg6 29. Rf7 Re6 30. Raf1 Kb6 31. R1f5 d4 (31... b4 32. g4 $18) 32. e4 Kc5 33.
g4 Kc4 34. Rf3 (34. g5 Bb4 35. d3+ Kc3 $18) 34... b4 (34... Bg5 35. c3 Rc6 $18)
35. g5 $4 (35. Kf2 $142 $18) 35... Bxg5 $16 36. Rc7+ Kb5 37. d3 (37. Rf2 Rg6
38. Rb7+ Kc6 $11) 37... Bf4 (37... Be3+ 38. Kf1 $16) 38. Kf1 (38. Rf7 Rh6 $16)
38... Rh6 39. Rxf4 $4 (39. Rb7+ $142 Kc5 40. Rg7 $16) 39... exf4 $17 40. Rf7
Rh2 (40... Rh1+ 41. Kg2 Rh4 42. Kf3 $11) 41. e5 (41. Rxf4 $142 $5 Rxc2 42. Rf2
Rc1+ 43. Ke2 $15) 41... Rxc2 $17 42. e6 (42. Rxf4 Kc5 43. Rf2 Rxf2+ 44. Kxf2
$19) 42... Rc1+ $4 (42... Rxa2 43. Rxf4 Kc5 44. e7 Ra1+ 45. Ke2 Ra2+ 46. Kf3
$18) 43. Ke2 $17 Rc6 $4 (43... Ra1 44. Kf3 Kc6 $11 (44... Rxa2 45. e7 Rf2+ 46.
Kxf2 $18)) 44. e7 $14 Re6+ 45. Kf3 Kc5 46. Kxf4 Kd6 47. Kf5 Re5+ 48. Kf4 Re6 (
48... Re3 49. a3 $15) 49. Kf3 (49. Kf5 Rxe7 50. Rf6+ Kc5 51. Rxa6 Re3 $19)
49... a5 (49... Re3+ 50. Kf4 $17) 50. Kf4 $2 (50. Rf4 $142 $5 $15) 50... a4 $17
51. e8=Q Rxe8 52. Ra7 a3 53. Rb7 Kc5 (53... Re3 54. Rxb4 Rxd3 55. Ke4 Re3+ 56.
Kxd4 $19) 54. Rc7+ $17 Kd5 (54... Kb5 $142 $5 $17) 55. Rc4 $2 (55. Rd7+ $142
Ke6 56. Rxd4 $15) 55... Rb8 (55... Rb8 56. Kf5 b3 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Pannekoek, Jan"]
[Result "1/2-1/2"]
[PlyCount "43"]
[EventDate "1994.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 c5 4. c4 (4. Nf3 d5 $11) 4... d6 (4... d5 5. e3 $15)
5. e3 (5. Nf3 Be7 $11) 5... Be7 6. Be2 d5 7. cxd5 exd5 8. Nf3 O-O 9. O-O b6 (
9... Bf5 10. d3 $11) 10. a4 (10. Nc3 a6 $11) 10... a6 11. d4 c4 12. Ne5 axb5
13. axb5 Rxa1 14. Bxa1 Nfd7 (14... Re8 15. Nc3 $15) 15. Bf3 $11 Bb7 (15... Qe8
$142 $5 $11) 16. Nc3 (16. Nxc4 dxc4 17. Bxb7 Re8 $16) 16... Nf6 (16... Nxe5 17.
dxe5 Re8 18. Nxd5 $16) 17. Re1 (17. Nxc4 dxc4 18. Bxb7 Re8 $18) 17... Re8 (
17... Bc8 18. e4 dxe4 19. Nxe4 Nxe4 20. Bxe4 $16) 18. Qb1 (18. Nxc4 Ne4 19. Ne5
Bd6 $16) 18... Nbd7 (18... Bc8 19. Qc2 $11) 19. e4 (19. Nxc4 $142 $5 Qc7 20.
Nd2 $16) 19... dxe4 20. Nxe4 Nxe4 21. Bxe4 Bxe4 22. Qxe4 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Baris, Hans"]
[Result "0-1"]
[PlyCount "54"]
[EventDate "1993.??.??"]

1. b4 e6 2. Bb2 Nf6 3. b5 c6 4. c4 Be7 5. Nf3 Qb6 (5... d5 6. e3 $15) 6. e3 (6.
Nc3 d5 $11) 6... O-O 7. Nc3 d5 8. Na4 (8. d4 dxc4 9. Bxc4 a6 $11) 8... Qc7 (
8... Qd8 9. c5 $11) 9. c5 (9. Be5 Bd6 10. Bxf6 gxf6 11. cxd5 cxd5 $11) 9...
cxb5 10. Bxb5 Ne4 11. d4 $4 (11. Be5 $142 Qa5 12. Rb1 $15) 11... Qa5+ $19 12.
Nd2 Nxd2 (12... Qxb5 13. Nxe4 dxe4 14. Rb1 $19) 13. Qxd2 (13. Nc3 Nc4 14. Bxc4
dxc4 $19) 13... Qxb5 14. Nc3 Qa6 (14... Qd7 15. O-O $19) 15. a4 (15. Qe2 b6 $19
) 15... b6 (15... Nc6 16. Nb5 Rb8 17. Nc7 $19) 16. Nb5 Qb7 17. Ba3 (17. Nd6 Qd7
$19) 17... bxc5 (17... a6 18. Nd6 Qc6 19. Qb4 $19) 18. dxc5 (18. Bxc5 Bxc5 19.
dxc5 Qc6 $19) 18... Qc6 19. Rc1 (19. Nd6 Nd7 $19) 19... Ba6 (19... Nd7 20. Qd4
$19) 20. Qa5 Bd8 (20... d4 21. exd4 Qxg2 22. Rf1 $19) 21. Qb4 Nd7 (21... d4 22.
O-O dxe3 23. fxe3 $19) 22. Nd4 Qc7 23. c6 Rb8 24. cxd7 $4 (24. Nb5 $142 $5 Bxb5
25. cxd7 $11) 24... Rxb4 (24... Qxc1+ $142 $1 25. Bxc1 Rxb4 $19) 25. Rxc7 Rb1+
$4 (25... Rxd4 $142 26. Bxf8 Bxc7 (26... Kxf8 $143 27. Rc8 Rxa4 28. Rxd8+ Ke7
29. Ra8 Kxd7 30. Rxa7+ Kd6 31. Kd2 $16) 27. exd4 Kxf8 $19) 26. Kd2 $4 (26. Rc1
Rxc1+ 27. Bxc1 Bd3 $14) 26... Rxh1 $11 27. Bxf8 $4 (27. Rxa7 Bc4 28. Nc6 $16)
27... Bxc7 $19 (27... Bxc7 28. Bd6 Ba5+ 29. Kc2 Rf1 $19) (27... Kxf8 28. Rxa7
Rxh2 29. Rxa6 $11) 0-1

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bloom, Aad"]
[Result "1-0"]
[PlyCount "93"]
[EventDate "1992.??.??"]

1. b4 e6 2. Bb2 Nf6 $15 3. b5 Be7 4. c4 O-O $15 5. e3 Re8 (5... d6 6. d4 $15)
6. Nf3 d6 (6... a6 7. Nc3 $15) 7. d4 $11 e5 (7... a6 $5 $11) 8. dxe5 $14 dxe5
9. Qxd8 (9. Nxe5 $143 Bb4+ 10. Ke2 Bd6 $11) 9... Rxd8 10. Nxe5 (10. Bxe5 Bb4+
11. Bc3 Be7 $14) 10... Bf5 (10... Ne4 11. Bd3 Nc5 12. Be2 $14) 11. Be2 Bb4+ 12.
Nc3 (12. Bc3 Bd6 $16) 12... Re8 (12... Ne4 13. Rc1 $14) 13. Nf3 (13. Nd3 Bd6
$14) 13... Nbd7 (13... Ne4 14. Nd4 Nxc3 15. Nxf5 Na4+ 16. Kd1 Nxb2+ 17. Kc2 $11
) 14. O-O (14. O-O-O Bd6 $14) 14... Bc5 (14... Rad8 15. Nd4 Bg6 16. Bf3 $16)
15. Nh4 (15. Rfd1 $5 $16) 15... Be6 $14 16. Bf3 Rab8 (16... Bxc4 17. Rfc1 (17.
Bxb7 $143 Rab8 18. Bc6 Bxf1 19. Kxf1 Re6 $11) 17... c6 18. bxc6 $18) 17. Nd5
$16 Bd6 18. Nxf6+ (18. Rfd1 Ng4 19. Nf4 Bxf4 20. exf4 Ngf6 $16) 18... Nxf6 19.
Rac1 (19. Bxf6 gxf6 20. Bd5 Red8 $16) 19... Nd7 (19... Be7 20. Bd4 $16) 20. Be2
(20. Bd5 Nc5 $16) 20... b6 (20... Rbd8 21. Rfd1 $14) 21. Rfd1 (21. Nf3 Rbd8 $16
) 21... Nf8 (21... a6 $5 $16) 22. Nf3 f6 (22... a5 23. bxa6 Ra8 24. Nd4 $18)
23. Nd4 Bd7 (23... Rbd8 24. Bf3 $18) 24. Bf3 Rbd8 25. Bc6 (25. Bd5+ Ne6 $18)
25... Bc5 (25... Bxc6 26. Nxc6 (26. bxc6 $6 Be5 $16) 26... Ra8 27. a3 $18) 26.
Bxd7 (26. Bd5+ Kh8 $18) 26... Nxd7 $2 (26... Rxd7 $142 27. Nc6 Bd6 $18) 27. Nc6
Bd6 28. Nxd8 Rxd8 29. Bd4 (29. Rd5 a6 $18) 29... Nc5 (29... a5 30. bxa6 Ra8 31.
Rd2 Rxa6 32. h3 $18) 30. Bxc5 bxc5 31. g3 f5 (31... Kf7 32. Rd2 $18) 32. a4 (
32. Rc3 Rd7 $18) 32... Kf7 33. Rd5 Ke6 34. Re1 Kf6 (34... Rd7 35. e4 $18) 35.
e4 Re8 (35... fxe4 36. Rxe4 g5 37. h4 $18) 36. Rxf5+ Kg6 (36... Ke6 37. f4 $18)
37. g4 (37. f4 Be7 $18) 37... h6 (37... c6 38. f4 cxb5 39. axb5 $18) 38. e5 Be7
39. e6 Rd8 (39... Bf6 40. Rxc5 Bc3 41. Re4 $18) 40. Rd5 (40. Rf7 Bh4 $18) 40...
Re8 (40... Rxd5 41. cxd5 Kf6 42. h4 $18) 41. Ree5 (41. f4 Kf6 $18) 41... Kh7 (
41... Kf6 42. Re4 $18) 42. a5 Kg8 (42... Bf6 43. Re4 $18) 43. b6 (43. Rd7 $142
Kh7 $18) 43... Bd8 (43... cxb6 44. axb6 axb6 $18) 44. bxa7 Kf8 (44... Be7 45.
Rd7 Bd6 46. Re4 $18) 45. e7+ $1 Bxe7 (45... Rxe7 {Deflection from d8} 46. Rxd8+
) 46. Rxe7 $1 Kxe7 {Decoy theme: e7} (46... Rxe7 {Theme: Deflection from a8}
47. a8=Q+) 47. Re5+ (47. Re5+ Kd6 48. Rxe8 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bloom, Aad"]
[Result "0-1"]
[PlyCount "64"]
[EventDate "1992.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 Be7 4. e3 c5 (4... d5 5. Nf3 $15) 5. c4 (5. Nf3 d5
$11) 5... b6 (5... d5 6. Nf3 $15) 6. Nf3 $11 h6 (6... O-O 7. Be2 $11) 7. Be2 d6
(7... O-O 8. O-O $14) 8. O-O e5 (8... a6 9. Nc3 $14) 9. d3 (9. Nc3 $14) 9...
Nh7 (9... a6 10. bxa6 O-O 11. d4 cxd4 12. exd4 $11) 10. e4 (10. Nc3 O-O $16)
10... Nd7 (10... O-O 11. Nc3 $14) 11. Nc3 Ndf6 (11... Nhf6 12. Nd5 $14) 12. h3
(12. Nd5 Nxd5 13. cxd5 a6 $14) 12... O-O $14 13. Qc2 (13. Nd5 Nxd5 14. cxd5 a6
$11) 13... Ne8 (13... a6 14. bxa6 Rxa6 15. Rfb1 $14) 14. Nd5 Bg5 (14... Nhf6 $5
$14) 15. Nxg5 $16 Nxg5 16. f4 Nh7 $2 (16... exf4 $142 $5 17. a3 a6 $16) 17.
fxe5 $18 dxe5 18. Bxe5 f6 (18... Bxh3 19. Bxg7 $1 Qg5 20. Nf4 Nxg7 21. Nxh3
Qe3+ 22. Kh2 $16) 19. Bc3 (19. Bf4 a6 $18) 19... Be6 (19... a6 20. bxa6 Nd6 21.
Rab1 Rxa6 22. Qb3 $18) 20. Nf4 (20. d4 cxd4 21. Bxd4 Rc8 $18) 20... Bf7 (20...
Nc7 21. Nxe6 Nxe6 22. Bg4 $18) 21. Rf3 (21. Nd5 Be6 22. d4 cxd4 23. Bxd4 Rc8
$18) 21... g5 (21... Ng5 $5 22. Rf2 a6 $18) 22. Rg3 (22. Nd5 a6 $18) 22... Qd6
(22... a6 $18) 23. Rf1 $16 Kh8 (23... Ng7 24. e5 fxe5 $11) 24. Nd5 $4 (24. e5
fxe5 25. Re3 $18) 24... Qxg3 $19 25. Ne7 (25. Rf3 Qd6 $19) 25... Qc7 (25...
Qe3+ 26. Kh2 g4 27. Bxg4 $17) 26. Nf5 Bg6 (26... Nd6 27. Nxh6 Be6 28. Ng4 $17)
27. Nxh6 $17 Qe7 (27... a6 28. bxa6 Rxa6 29. Nf5 $17) 28. Bf3 (28. Nf5 Bxf5 29.
Rxf5 Nd6 $19) 28... Rd8 29. Qe2 (29. Ng4 Nd6 $17) 29... Ng7 (29... Qd6 30. Rd1
$19) 30. Re1 (30. a3 Qd6 31. Rd1 f5 $19) 30... Qc7 (30... Qd6 31. Rd1 $19) 31.
a4 (31. Rf1 Qd6 32. Rd1 f5 $19) 31... Ne6 (31... Qd6 32. Rd1 $19) 32. Bh5 $4 (
32. Nf5 $142 $19) 32... Nf4 (32... Nf4 33. Bxg6 Nxe2+ (33... Nxg6 $6 34. Nf5
$19) 34. Rxe2 Rxd3 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Bloom, Aad"]
[Result "1-0"]
[PlyCount "81"]
[EventDate "1992.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 Be7 4. e3 d6 (4... d5 5. Nf3 $15) 5. Nf3 e5 6. c4 (6.
Be2 Be6 $11) 6... b6 (6... e4 7. Nd4 $15) 7. d4 $11 Nbd7 (7... e4 $5 8. Nfd2 a6
$11) 8. dxe5 $14 dxe5 9. Nxe5 (9. Bxe5 a6 $14) 9... Bb4+ 10. Ke2 Nxe5 (10...
Qe7 11. Nc6 Qd6 12. Qxd6 Bxd6 13. Nc3 $16) 11. Qxd8+ (11. Bxe5 $6 Qe7 12. Qd4
Bg4+ 13. f3 Bc5 $14) 11... Kxd8 12. Bxe5 Be7 (12... a6 $5 $16) 13. Nc3 $18 Be6
(13... Bd7 14. Rd1 $18) 14. Kd2 (14. Rd1+ $5 Ke8 $18) 14... Rg8 (14... a6 15.
Bd3 $16) 15. Be2 Nd7 (15... a6 16. Bf3 Ra7 17. Kd3 $16) 16. Bd4 a5 (16... a6
17. Bf3 Ra7 18. Nd5 $18) 17. Bf3 Ra7 18. Bd5 Nf8 (18... Nf6 19. Bxe6 fxe6 20.
Rhd1 $18) 19. f3 (19. Rhd1 Bxd5 20. cxd5 Bd6 $18) 19... Bxd5 (19... Ng6 20.
Rhd1 $18) 20. Nxd5 (20. cxd5 Ng6 $18) 20... Nd7 (20... Bb4+ 21. Nxb4 axb4 22.
Kc2 $18) 21. h4 (21. Rhd1 Bd6 $18) 21... Ra8 (21... Bb4+ 22. Nxb4 axb4 23. Rhb1
$18) 22. f4 (22. Rad1 Bb4+ 23. Ke2 Bc5 $18) 22... Bd6 (22... Bb4+ 23. Nxb4 axb4
24. Rhb1 $16) 23. g4 (23. e4 Re8 24. Rhe1 Nc5 $18) 23... Rc8 (23... Bb4+ 24.
Nxb4 axb4 25. Rhb1 $18) 24. Kc3 (24. e4 c6 25. Nxb6 Rb8 26. Nxd7 Bxf4+ 27. Kd3
Kxd7 $18) 24... c5 25. bxc6 Rxc6 26. Rhb1 Bc5 27. Rb5 f6 28. Rab1 (28. Rd1 $142
Re8 29. Bxc5 Rxc5 30. Nxb6 Rxe3+ 31. Kc2 $18) 28... Bxd4+ (28... Re8 29. Kd3
Rce6 30. Kd2 $18) 29. Kxd4 (29. exd4 $5 f5 $18) 29... Rd6 30. c5 (30. e4 Re8
$18) 30... bxc5+ 31. Rxc5 $1 Ke8 $2 (31... Nxc5 32. Kxc5) 32. Rxa5 Kf7 33. e4
Re8 (33... Rd8 34. a4 $18) 34. Rb7 (34. a4 Rd8 $18) 34... Kg8 (34... Rd8 35. e5
fxe5+ 36. fxe5 $18) 35. Raa7 Rd8 36. e5 (36. a4 $5 Kf7 $18) 36... fxe5+ 37.
fxe5 Rg6 (37... Nxe5 38. Rxg7+ Kf8 39. Kxe5 Rxd5+ 40. Kf4 h6 $18) 38. Ne7+ Kf7
39. Nxg6 Kxg6 (39... Ke8 40. Nf4 Nf8+ 41. Ke4 $18) 40. Rxd7 Rxd7+ 41. Rxd7 (41.
Rxd7 h5 42. Rxg7+ Kxg7 43. g5 $18) 1-0

[Event "Zomer"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Pannekoek"]
[Result "1/2-1/2"]
[PlyCount "60"]
[EventDate "1994.??.??"]

1. b4 (1. Nf3 d5 $11) 1... Nf6 (1... e5 2. Bb2 $15) 2. Bb2 (2. Nf3 d5 $11) 2...
e6 3. b5 g6 (3... d5 4. Nf3 $15) 4. c4 (4. e4 d6 $11) 4... d6 5. Nf3 c5 (5...
a6 6. e4 $11) 6. e4 (6. e3 Bg7 $11) 6... Bg7 7. Nc3 (7. Be2 O-O 8. Qc2 a6 $11)
7... O-O (7... Nxe4 $5 8. Bd3 Nxc3 9. Bxc3 Bxc3 10. dxc3 O-O $15) 8. Qc2 (8. d4
Nbd7 $11) 8... Nbd7 (8... d5 9. Bd3 $11) 9. Be2 Nb6 10. O-O d5 11. exd5 (11.
cxd5 exd5 12. Rae1 Nxe4 $15) 11... exd5 12. d3 (12. Nxd5 Nfxd5 13. cxd5 Bf5 $11
) 12... d4 13. Na4 (13. Nb1 Re8 $11) 13... Nxa4 $15 14. Qxa4 Qd6 (14... Re8 15.
Rfe1 $11) 15. Qc2 (15. Qa3 Re8 16. Rae1 Re6 $11) 15... a6 (15... Re8 16. Rfe1
$15) 16. a4 b6 17. h3 (17. Rae1 Bb7 $15) 17... Nh5 (17... Bb7 18. Rfe1 $15) 18.
Nh4 (18. Nd2 Nf4 19. Bf3 Bf5 $11) 18... Nf4 (18... Qf6 19. Nf3 $15) 19. Bf3 $15
Ra7 20. Qd1 $4 (20. Bc6 $142 $15) 20... Bf6 (20... g5 21. bxa6 gxh4 22. Bc1 $19
) 21. Bc1 $6 (21. g3 Nxh3+ 22. Kg2 Bxh4 23. gxh4 Nf4+ 24. Kg1 Bf5 $19) 21...
Nxh3+ $1 22. gxh3 Bxh3 $4 (22... Bxh4 $142 23. Bg2 axb5 24. cxb5 Re8 $17) 23.
Ng2 $16 Re8 (23... Be5 24. Re1 $14) 24. Bg4 (24. Bf4 Be5 25. Re1 Bd7 26. Bxe5
Rxe5 $16) 24... Bxg2 (24... Bxg4 25. Qxg4 Be5 26. f4 $16) 25. Kxg2 $16 axb5 26.
cxb5 h5 (26... Bg5 27. Rh1 $14) 27. Bh3 (27. Bf3 Be5 $16) 27... Qd5+ (27... Bg5
$14) 28. Qf3 (28. Kg1 $142 $5 $16) 28... Qxf3+ $11 29. Kxf3 g5 (29... Rea8 $5
$11) 30. Bf5 (30. Bg2 h4 $14) 30... Re5 1/2-1/2

[Event "corr NLD-ch H"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Koopmans, P."]
[Result "1-0"]
[PlyCount "91"]
[EventDate "1993.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 b6 4. e3 Bb7 5. Nf3 Be7 6. c4 d5 7. a4 c5 8. Be2 O-O
9. O-O Nbd7 10. d4 Ne4 11. Nbd2 Ndf6 (11... Nxd2 12. Nxd2 (12. Qxd2 dxc4 13.
Rad1 (13. Rac1 cxd4 (13... Rc8 14. Rfd1 Bd5 15. Bxc4 Bxf3 16. gxf3 cxd4 17. f4
Bf6 $11 {-0.16/9}) (13... Bd5 14. Qc2 cxd4 15. Bxd4 Nc5 16. Bxc5 Bxc5 17. e4
Bb7 $11 {-0.06/11}) 14. Bxd4 Rc8 15. Qc3 Bf6 16. Bxf6 Nxf6 17. Rfd1 Qe7 $15 {
-0.38/10}) 13... Bf6 14. dxc5 Nxc5 15. Qc2 Be4 16. Rxd8 Bxc2 17. Rxa8 Rxa8 $15
{-0.28/10}) 12... cxd4 13. Bxd4 Rc8 14. cxd5 Bxd5 15. Bf3 Bxf3 16. Nxf3 Bf6 (
16... Nc5 17. Ne5 (17. Qe2 $11 {0.19/9} Qc7 $11 {0.19/9}) 17... Bd6 $14 {0.37/9
}) 17. Bxf6 Nxf6 $14 {0.34/10}) 12. dxc5 (12. Rc1 Rc8 (12... a6 13. Nxe4 Nxe4
14. dxc5 Nxc5 15. Qc2 axb5 16. axb5 Bd6 17. Rfd1 $11 {0.00/8}) 13. Ne5 Nxd2 14.
Qxd2 Ne4 15. Qd3 f6 16. Bg4 Qd6 17. cxd5 $15 {-0.31/8}) (12. Nxe4 Nxe4 13. Qc2
cxd4 14. Bxd4 Rc8 15. Bd3 f5 16. Rfc1 Nc5 17. Bxc5 $11 {-0.06/8}) (12. a5 bxa5
13. Nb3 dxc4 14. Nxa5 Qb6 15. Bxc4 Bd5 16. Bxd5 Nxd5 17. Qd3 $14 {0.34/9})
12... Bxc5 (12... Nxc5 13. Nb3 (13. Bd4 Rc8 14. Rc1 Qc7 15. Nb3 Rfd8 16. Be5
Bd6 17. Nxc5 $11 {0.00/9}) (13. Ne5 Rc8 14. cxd5 Bxd5 15. Bf3 Qc7 16. Bxd5 Nxd5
17. Qg4 $11 {-0.06/8}) (13. Rc1 Rc8 14. Bd4 Qc7 15. Qc2 Rfd8 16. Rfd1 a5 17.
Nb3 $11 {0.09/7}) (13. Be5 a6 14. Nb3 Nxb3 15. Qxb3 Ne4 16. Bd4 Bf6 17. Rfd1
$11 {-0.06/7}) (13. cxd5 Bxd5 14. Qb1 Re8 15. Rd1 Rc8 16. Nc4 Nfe4 17. Qc2 $11
{0.00/8}) (13. a5 bxa5 14. Bc3 a4 15. Qc2 Rc8 16. Bd4 dxc4 17. Bxc4 $15 {
-0.37/8}) 13... Rc8 14. Nxc5 Bxc5 15. cxd5 Nxd5 16. Qb3 Qe7 17. Rfd1 $11 {
0.09/10}) 13. Nxe4 Nxe4 14. cxd5 (14. Rc1 Rc8 15. cxd5 Bxd5 16. Qd3 Qe7 17. Nd4
$11 {-0.09/9}) 14... Bxd5 15. Qd3 Qe7 16. Nd4 Rfd8 (16... Bd6 17. Bf3 $11 {
0.03/8}) 17. Bf3 f5 18. Rac1 Qf7 19. Rcd1 Rac8 20. h3 Be7 21. Qb1 Qg6 22. Rc1
Bc5 23. Rfd1 Bxd4 24. Rxc8 Rxc8 25. Rxd4 Nd2 (25... Nc3 26. Qd3 Nxa4 27. Rxd5
exd5 (27... Nxb2 $4 28. Rd8+ Qe8 29. Rxe8+ Rxe8 30. Qc2 $18) 28. Qxd5+ Kh8 $11)
26. Rxd2 $11 Bxf3 27. Qf1 Bd5 28. Rd3 Rc2 (28... f4 $5 29. exf4 Bc4 $15) 29. e4
$14 fxe4 (29... Bxe4 30. Rd8+ Kf7 31. Rd7+ Kf8 32. Ba3+ (32. Bxg7+ $2 Ke8 33.
f3 Kxd7 34. fxe4 Ke8 $19 (34... Qxg7 $6 35. Qd3+ Ke7 36. Qxc2 $15)) (32. Rxa7
$4 Rxb2 33. f3 Bd3 $19) (32. Rxg7 $2 Qh6 $19) 32... Ke8 33. Re7+ Kd8 34. Rxa7
$11) 30. Rg3 $16 Qf5 31. Bxg7 Kf7 32. Bh6 Qf6 33. Rg7+ Ke8 34. Rg8+ Kd7 35. Be3
(35. Bg5 Qe5 $16) 35... Qf7 (35... Ra2 $142 $5 36. Bg5 Qb2 $11) 36. Rg3 Qf6 37.
Qd1 Rc4 38. Qh5 Rc7 39. Qxh7+ Kc8 40. Qg8+ Kb7 41. Rg4 Rd7 42. Kh2 Qf7 (42...
Qe7 43. Qh8 $18) 43. Qh8 Rc7 $4 (43... Qh7 44. Qa1 Kc8 45. a5 bxa5 46. Qa3 $18)
44. Bf4 (44. Rg8 $142 Qxg8 45. Qxg8 $18) 44... Rc8 45. Qg7 Rf8 $4 (45... Qxg7
46. Rxg7+ Ka8 $18) 46. Bd6 1-0

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Andersson, Lars H"]
[Result "1-0"]
[PlyCount "99"]
[EventDate "1991.??.??"]

1. b4 e6 2. Bb2 f5 3. e4 fxe4 4. Qh5+ Ke7 5. d3 exd3 6. Bxd3 Nf6 7. Bxf6+ gxf6
8. Bxh7 (8. Nf3 Nc6 $15) 8... Nc6 9. a3 a5 10. b5 Ne5 11. f4 Nf7 12. Ne2 c6 13.
Nbc3 cxb5 14. Nxb5 Qb6 (14... d5 15. Rd1 $15) 15. Nbd4 (15. Rb1 Qc6 $11) 15...
d6 (15... d5 16. Rd1 $15) 16. Qg6 Nh6 (16... d5 17. Rd1 $11) 17. O-O (17. Qd3
d5 $11) 17... Nf5 18. c3 Bd7 19. Rab1 Qa7 20. Rf2 Ng7 21. c4 Rc8 22. Qe4 {
Attacks the backward pawn on b7} Bc6 (22... Qc5 $5 23. Bg6 Qxa3 24. Rxb7 Qc5
$11) 23. Nxc6+ (23. Qe3 Ke8 24. Bg6+ Kd7 $14) 23... bxc6 $11 (23... Rxc6 $143
24. Nd4 Rb6 25. Re1 $14) 24. Qg6 Rc7 (24... d5 25. cxd5 cxd5 26. Kf1 $15) 25.
f5 e5 (25... Nxf5 $143 26. Bg8 Bg7 27. Bxe6 Kxe6 28. Qxf5+ Kf7 29. Nf4 $16) 26.
g4 Ne8 27. Nf4 Kd7 $4 (27... Rb7 $142 28. Rxb7+ Qxb7 $11) 28. Qf7+ $18 Be7 29.
Ng6 Rxh7 30. Nf8+ (30. Qxh7 $143 Kd8 $18) 30... Kd8 31. Nxh7 $4 (31. Ne6+ $142
Kd7 32. Qxh7 $18) 31... d5 $11 32. Nf8 (32. cxd5 Bc5 {A pinning theme}) 32...
Qxf2+ 33. Kxf2 {Decoy to f2} Bc5+ {Discovered attack} 34. Kf3 {
Threatening mate: Ne6} Rxf7 35. Ne6+ Kc8 36. Nxc5 Ra7 (36... Nd6 37. cxd5 cxd5
38. Rd1 $11) 37. cxd5 cxd5 38. h4 Kc7 (38... Nd6 39. Rd1 d4 40. h5 $14) 39. h5
(39. Ne6+ Kc6 $16) 39... Nd6 $14 40. g5 (40. Rc1 Nc4 41. Ke2 Kd6 42. Ne4+ Ke7
$14) 40... Nxf5 (40... Nc4 41. Rd1 Kc6 $15) 41. gxf6 $14 Kd6 42. Nb7+ Ke6 (
42... Kd7 43. f7 Ke7 44. Nd8 $14) 43. Rb6+ Kf7 (43... Kd7 44. Nc5+ Kc8 45. Rc6+
Kb8 46. Kg4 Nh6+ 47. Kg5 Nf7+ 48. Kg6 Nh8+ 49. Kf5 $18) 44. Nd8+ $18 Kf8 45.
Nc6 Nd4+ 46. Nxd4 exd4 47. Ke2 Rc7 48. Kd3 Rc3+ 49. Kxd4 Rxa3 50. Rb7 (50. Rb7
Rg3 51. h6 $18) (50. h6 Rh3 $16) 1-0

[Event "corr NED 1-416"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Masmeijer, Mark"]
[Result "*"]
[PlyCount "23"]
[EventDate "1989.??.??"]

1. b4 e6 2. Bb2 f5 3. c4 Nf6 4. b5 c6 5. a4 d5 6. e3 a6 7. Nc3 Bd6 8. d3 Qe7 (
8... dxc4 9. dxc4 e5 10. Qd2 $11) 9. Nf3 $11 Bd7 (9... O-O 10. d4 b6 11. Be2
$11) 10. Qb3 (10. d4 b6 $11) 10... axb5 11. cxb5 (11. axb5 Rxa1+ 12. Bxa1 O-O
$11) 11... c5 12. a5 *

[Event "corr BV-93-28"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Koolstra, Rinze"]
[Result "1/2-1/2"]
[PlyCount "50"]
[EventDate "1993.??.??"]

1. b4 f5 2. Bb2 Nf6 3. e3 e6 4. b5 Be7 5. c4 O-O 6. Nc3 Ne4 7. f4 (7. Qc2 Nxc3
8. Qxc3 Bf6 $11) 7... Bf6 (7... d6 8. d3 Nxc3 9. Bxc3 $11) 8. d4 $11 d6 (8...
Nxc3 9. Bxc3 Be7 10. Nf3 $11) 9. Nxe4 fxe4 10. Qc2 d5 11. a4 (11. Rc1 Rf7 $11)
11... a6 12. Be2 (12. Ba3 Bh4+ 13. g3 Be7 $11) 12... axb5 $15 13. axb5 Rxa1+
14. Bxa1 c6 (14... Bh4+ 15. g3 Be7 16. Bc3 $11) 15. bxc6 bxc6 16. Bc3 Qb6 (
16... Bh4+ 17. g3 Be7 18. Qa4 $11) 17. c5 (17. Qb2 Qc7 $11) 17... Qa7 (17...
Qc7 18. Nh3 $11) 18. Nh3 e5 (18... Ba6 19. O-O Qf7 20. Bxa6 Nxa6 21. Rb1 $11)
19. fxe5 Bh4+ 20. Kd1 Bxh3 21. gxh3 Bf2 22. Qc1 Qd7 23. Bg4 Qb7 (23... Qa7 $14)
24. Kc2 (24. Rf1 Qa6 25. Be2 Qa2 $14) 24... Qb5 (24... Qa6 25. Kd1 $11) 25. Qd2
(25. Kd1 Qd3+ 26. Qd2 Qb1+ 27. Qc1 Qxc1+ 28. Kxc1 Bxe3+ 29. Kd1 Rf2 $11) 25...
Qa4+ (25... Bh4 26. Be2 Qa4+ 27. Kb2 $11) 1/2-1/2

[Event "corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Fehr, Wolfgang"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "1992.??.??"]

1. b4 Nf6 2. Bb2 b5 3. e3 Nc6 4. a3 a6 5. Nf3 e6 (5... d5 6. a4 Bf5 7. Nd4 Nxd4
8. Bxd4 $11) 6. Be2 (6. c4 bxc4 7. Bxc4 Bb7 $11) 6... Bb7 7. O-O d5 8. d4 (8.
c3 Bd6 $14) 8... Bd6 $11 9. Nbd2 Qe7 10. Ne5 (10. Nb3 O-O $11) 10... Ne4 (10...
O-O $5 $11) 11. Nxe4 $16 {White gets strong initiative} dxe4 12. c4 Bxe5 13.
dxe5 Na7 (13... bxc4 14. Qc2 $16) 14. Qc2 O-O 15. Bd4 (15. cxb5 Nxb5 16. Rac1
Rfd8 $16) 15... Rfd8 16. Bc5 Qe8 (16... Qg5 17. cxb5 Nxb5 18. a4 $16) 17. Bxa7
Rxa7 18. cxb5 c6 $2 (18... axb5 $142 $5 19. Qxc7 Rda8 $16) 19. bxa6 (19. b6
Raa8 $18) 19... Ba8 (19... Bxa6 $142 20. Bxa6 Rxa6 21. Qxe4 Rd5 $18) 20. Rfd1
Rd5 21. Qxe4 Rad7 22. Rxd5 cxd5 (22... exd5 23. Qf5 $18) 23. Qd4 Rc7 24. b5 Qc8
25. b6 Rc2 26. Bf1 Qb8 27. Bd3 Rc6 28. Rb1 Qc8 (28... h6 $18) 29. b7 Bxb7 30.
axb7 (30. axb7 Qf8 31. b8=Q Rc1+ 32. Bf1 Rxb1 33. Qxb1 $18) 1-0

[Event "?"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Dalsen, John"]
[Result "0-1"]
[PlyCount "134"]
[EventDate "1995.??.??"]

1. b4 g6 2. Bb2 Nf6 3. c4 (3. e4 Bg7 $11) 3... e6 4. b5 (4. a3 Bg7 $11) 4... b6
(4... Bg7 5. d4 $11) 5. e3 (5. e4 Bb7 6. f3 a6 $11) 5... Bb7 6. Nf3 Bb4 (6...
a6 7. Nc3 $11) 7. Be2 $14 d5 (7... a6 8. Qb3 Be7 9. Nc3 $11) 8. cxd5 Bxd5 9.
Nc3 Bb7 10. O-O Nbd7 11. Nd4 Rg8 (11... e5 12. Nc6 Bxc6 13. bxc6 $16) 12. Nc6
Bxc6 13. bxc6 Ne5 (13... Nc5 14. Nb5 Nd5 15. a3 $16) 14. Nb5 Nxc6 (14... Bd6
$142 $16) 15. Bf3 $4 (15. Bxf6 Qxf6 16. Nxc7+ Kd7 17. Nxa8 Rxa8 $18) 15... Qd7
$4 (15... Nd5 $142 $11) 16. Bxf6 $18 a6 (16... Rb8 17. Rc1 Bc5 18. d4 $18) 17.
Qc2 (17. Qa4 $142 Be7 18. Nxc7+ Qxc7 19. Bxc6+ Kf8 20. Bxa8 Bxf6 $18) 17... Bc5
18. d4 Nb4 19. Qe4 Nd5 (19... Rb8 20. dxc5 Qxb5 21. Rfb1 bxc5 22. a3 $18) 20.
Nc3 $1 Be7 (20... Nxc3 {A pinning theme} 21. Qxa8+ {A double attack}) 21. Bxe7
Qxe7 22. Nxd5 exd5 23. Qxe7+ (23. Qxd5 $5 Ra7 $18) 23... Kxe7 24. Bxd5 Rad8 (
24... Ra7 25. Rac1 $18) 25. Bb3 (25. Bb7 a5 $18) 25... Rd6 (25... Rc8 26. Rad1
$18) 26. Rfc1 Rc8 27. Rc4 (27. Bc4 b5 28. Bb3 h6 $18) 27... c6 (27... c5 28.
Rac1 Rdc6 29. dxc5 Rxc5 30. Re4+ Kf8 31. Rxc5 Rxc5 32. Kf1 $18) 28. d5 (28.
Rac1 $5 h6 $18) 28... c5 29. f4 (29. Rac1 f5 $18) 29... b5 30. Rcc1 (30. Rc3 f5
31. Re1 c4 $18) 30... c4 (30... f5 31. Rc3 $18) 31. e4 f6 32. Bd1 h5 (32... f5
33. Bf3 fxe4 34. Bxe4 c3 $18) 33. Bf3 Kf7 (33... Rc5 34. e5 fxe5 35. fxe5 Rdxd5
36. Bxd5 Rxd5 37. Re1 $18) 34. e5 fxe5 35. fxe5 Rb6 (35... Rdd8 36. Rc2 $18)
36. Re1 c3 37. Rac1 b4 38. Be4 (38. Kf2 Re8 $18) 38... a5 39. Rf1+ (39. Kf2 a4
40. e6+ Ke7 $18) 39... Ke7 40. Bxg6 (40. Rfd1 $142 $18) 40... Rxg6 $16 41. e6 (
41. Rf5 Rc5 42. Rd1 Rxd5 43. Rxd5 Ke6 44. Rxa5 Kxf5 45. e6+ Kxe6 46. Rxh5 Rg4
$17) 41... Rd8 (41... Kd6 42. Rf5 $11) 42. Rf7+ Kd6 43. e7 (43. Rf5 $5 $14)
43... Re8 (43... Rdg8 44. Rc2 Kxd5 $18) 44. Rcf1 (44. Re1 Rg5 $15 (44... Kxd5
$2 45. Rf8 Rg8 46. Rxg8 Rxg8 47. e8=Q Rxe8 48. Rxe8 $18)) 44... Kxd5 (44...
Rxe7 45. Rxe7 Kxe7 46. Rd1 $17) 45. Rd1+ (45. R7f5+ Ke6 46. Rxa5 Kxe7 47. Ra7+
Kd6 48. Ra6+ Kc5 49. Rxg6 $18) 45... Ke6 $17 46. Rh7 c2 (46... a4 $142 $5 $17)
47. Rc1 $15 Rg5 (47... Rxe7 $5 48. Re1+ Kd6 49. Rhxe7 c1=Q 50. Rxc1 Kxe7 $11)
48. Rxc2 $14 Re5 49. Rh6+ (49. Rc6+ $142 $5 Kd7 50. Rb6 $14) 49... Kd7 50. Rd2+
Kxe7 51. Rh7+ (51. Rhd6 a4 $15) 51... Kf6 52. Rd6+ Kg5 53. Rg7+ Kf4 {
Do you see the mate threat?} 54. Rd4+ (54. g3+ Kf3 55. Rf7+ Ke4 $11) 54... Ke3
(54... Kf5 55. Rf7+ Kg6 56. Rdf4 $17) 55. Rgd7 $15 Re4 56. Rd3+ Kf4 {
The mate threat is Re1} 57. g3+ Kf5 58. R3d5+ R4e5 59. h3 Rxd5 (59... a4 60.
Rxe5+ Rxe5 61. g4+ hxg4 62. hxg4+ Kxg4 63. Rd4+ Kf3 64. Kf1 $19) 60. Rxd5+ Re5
61. g4+ (61. Rd8 $142 $5 $15) 61... hxg4 $17 62. hxg4+ Kf4 63. Rxe5 Kxe5 64.
Kg2 (64. g5 a4 65. g6 Kf6 $19) 64... Kf4 (64... a4 65. g5 b3 66. axb3 axb3 67.
g6 $19) 65. Kh3 (65. Kf1 Kxg4 66. Ke2 $17) 65... Kg5 66. Kg3 a4 67. Kf3 b3 (
67... b3 68. axb3 axb3 $19) 0-1

[Event "?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Stoel, SJ."]
[Result "0-1"]
[PlyCount "46"]
[EventDate "1991.??.??"]

1. b4 g6 2. Bb2 Nf6 3. c4 Bg7 4. Nf3 c6 5. e3 d6 6. Be2 (6. Bxf6 Bxf6 7. d4 c5
$11) 6... e5 (6... Na6 7. b5 cxb5 8. cxb5 $14) 7. d4 e4 8. Nfd2 O-O 9. Nc3 Re8
10. g4 (10. O-O $5 $14) 10... h6 11. h4 d5 (11... Qb6 12. g5 Nfd7 13. a3 $16)
12. c5 (12. g5 Nh7 $14) 12... b6 $11 13. Nf1 (13. g5 Nfd7 14. gxh6 Bxh6 15. h5
$16) 13... Ba6 14. b5 Bc8 (14... cxb5 15. Bxb5 Bxb5 16. Nxb5 bxc5 17. dxc5 Qa5+
18. Nc3 Nfd7 $19 (18... Qxc5 $6 19. Na4 Qb4+ 20. Bc3 $17)) 15. Na4 $4 (15. g5
Nfd7 16. gxh6 Bxh6 17. h5 $16) 15... cxb5 $17 16. Nc3 a6 (16... bxc5 17. dxc5
b4 18. Nb5 $15) 17. f3 (17. g5 b4 18. Na4 $15) 17... bxc5 $19 18. Qc2 $4 (18.
dxc5 $142 b4 19. Na4 $19) 18... cxd4 19. exd4 exf3 20. O-O-O (20. g5 fxe2 21.
Ng3 Qc7 $19) 20... fxe2 21. Nxe2 Nxg4 22. Nfg3 (22. h5 Nf2 23. Rg1 Bf5 $19)
22... Ra7 (22... Ne3 $142 23. Qd3 Nxd1 24. Kxd1 $19) 23. h5 Rc7 (23... Rc7 24.
Nc3 Ne3 $19) 0-1

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Grehl, Siegfried"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "52"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 $15 4. e3 g6 5. Nc3 Bg7 6. Nf3 O-O 7. Be2 e4 8.
Nd4 c5 9. bxc5 dxc5 10. Nb3 b6 (10... Na6 11. d3 $11) 11. O-O Bb7 12. f3 Re8
13. Rb1 Nbd7 14. fxe4 Nxe4 15. Nxe4 Bxe4 (15... Rxe4 $2 16. Bxg7 Kxg7 17. Bf3
$18) 16. d3 Bxb2 17. Rxb2 Bc6 18. Qd2 f5 19. d4 Qe7 20. Bf3 Bxf3 21. Rxf3 (21.
gxf3 $143 Qxe3+ 22. Qxe3 Rxe3 23. dxc5 Ne5 $17) 21... Nf6 22. h3 (22. Qd3 Ne4
$11) 22... Ne4 $15 23. Qc1 (23. Qd3 Rad8 $15) 23... Rad8 24. Rc2 Ng5 25. Rf4 (
25. Rff2 $5 $15) 25... Qxe3+ 26. Qxe3 Rxe3 (26... Rxe3 27. dxc5 Ne6 $17) 0-1

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steinmann, Joachim"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "73"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. Nc3 O-O 7. Be2 e4 8. Nd4 c5
9. bxc5 dxc5 10. Nb3 Qc7 11. O-O Re8 12. f3 exf3 13. Bxf3 Na6 14. Nb5 Qe7 (
14... Qd8 15. Rc1 (15. Bc3 Re7 (15... Kh8 16. Qc1 (16. Qe1 Re6 17. Qh4 Qe7 18.
Rab1 $14) 16... Re6 17. Qb2 Qe7 18. Bd5 $16) 16. Qc1 (16. Qb1 Bf5 17. Qb2 Ne8
18. Bxg7 $14) 16... Bf5 17. Qb2 Ne8 18. Bxg7 $14) (15. a3 Qb6 (15... Re7 16.
Qe1 (16. Qe2 Bf5 17. Bxf6 Bxf6 18. d4 $11) 16... Bf5 17. Qh4 Ne4 18. Bxg7 $14)
16. Qe2 (16. Bc3 Re7 17. e4 g5 18. Rb1 $14) 16... Bf5 17. g4 Bc2 18. g5 $14) (
15. Rb1 $11 Qb6 (15... Re7 16. Bxf6 Bxf6 17. Bd5 Bf5 18. e4 $16) 16. a4 (16.
Qe2 Bf5 17. Rbd1 Bc2 18. Rc1 $11) 16... Re7 17. e4 Nxe4 18. Bxg7 $14) 15... Re6
(15... Re7 16. Ba3 (16. Bxf6 Bxf6 17. Bd5 Bb2 18. Qf3 $14) 16... Qb6 17. d4 Nd7
18. dxc5 $16) 16. Qe2 (16. Qe1 Qe7 17. Bc3 h6 18. Qg3 $14) 16... Qe7 17. Nc3
Qd6 18. Nd5 $14) (14... Qb6 15. Qe2 (15. Bc3 g5 (15... Kh8 16. Ba5 Qe6 17. Nxc5
Qxc4 18. Nxa6 $16) 16. Qe1 (16. Rb1 Bf5 17. Rb2 Bd3 18. Be2 $11) 16... g4 17.
Be2 Ne4 18. Bxg7 $14) (15. a4 Re7 (15... Qd8 16. Qe1 (16. Rb1 Re7 17. Bxf6 Bxf6
18. Bd5 $14) 16... h6 17. Rb1 Rb8 18. Nxa7 $14) 16. Qe2 (16. a5 Qd8 17. Ba3 Nd7
18. Ra2 $14) 16... Bf5 17. d4 Ne4 18. Rad1 $14) (15. Nc1 h6 (15... Qe6 16. Qb3
(16. Ne2 Rd8 17. Qc1 Qe7 18. a3 $11) 16... Rd8 17. Nd3 g5 18. Rad1 $14) 16. Qe2
(16. Qb3 Bf5 17. a4 Re7 18. Ne2 $11) 16... Bf5 17. a4 Re7 18. a5 $11) 15... Re7
(15... h6 16. Rad1 (16. d4 Bf5 17. dxc5 Nxc5 18. Nxc5 $14) 16... Bf5 17. d4 Ne4
18. Bxe4 $16) 16. d4 (16. d3 Bh6 17. e4 Bg7 18. Qf2 $14) 16... Bf5 17. dxc5
Nxc5 18. Nxc5 $14) 15. Na5 Nb4 (15... Rb8 16. Bc3 (16. Nxa7 Bf5 17. Nb5 Qd7 18.
Nb3 $14) 16... Bf5 17. Nxb7 Bd3 18. Qa4 $16) (15... Nh5 16. Bc3 (16. Rb1 Bxb2
17. Rxb2 Ng7 18. Nc3 $16) 16... Bxc3 17. Nxc3 Qc7 18. Qa4 $16) 16. Nxb7 Bxb7
17. Bxb7 Rab8 18. a3 (18. Qf3 $14) 18... Rxb7 19. axb4 cxb4 20. Nxa7 Rxa7 21.
Bxf6 Bxf6 22. Rxf6 Rea8 23. Rxa7 Rxa7 24. Rf4 Ra2 25. Rd4 Qf6 26. h3 Qf5 27.
Qf1 (27. Rd5 Qe4 28. Qf1 b3 $14) 27... Qxf1+ $14 28. Kxf1 Kf8 29. Ke2 Ke7 30.
c5 b3 31. Rb4 Rb2 32. g4 Kd7 33. Rb6 h6 34. e4 h5 35. gxh5 gxh5 36. Ke3 (36. h4
Ke7 $18) 36... Rb1 (36... h4 37. e5 $18) 37. Kd4 1-0

[Event "corr TKM-A004"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Woelfelschneider, Peter"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "77"]
[EventDate "2000.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. e3 O-O 7. d4 exd4 8. Nxd4
c5 9. bxc5 dxc5 10. Ndb5 Bd7 (10... Nc6 11. Qxd8 (11. Nd6 Be6 12. Rc1 (12. Qd3
Qe7 13. Ndb5 Rfd8 14. Qc2 a6 15. Na3 Nb4 16. Qb3 $17 {-1.37/10}) (12. Ncb5 a6
13. Nc3 Qc7 14. Nd5 Nxd5 15. Bxg7 Nxe3 16. fxe3 $17 {-1.22/9}) 12... Qe7 13.
Nd5 Bxd5 14. cxd5 Qxd6 15. dxc6 Qxc6 16. Qb3 $17 {-1.03/9}) (11. Be2 $11 Be6 (
11... Qa5 12. Qb3 (12. Qa4 Be6 13. Rd1 Rad8 14. Qxa5 Rxd1+ 15. Nxd1 Nxa5 16.
Na3 $15 {-0.28/10}) 12... Ne4 13. Qa4 Qxa4 14. Nxa4 Bxb2 15. Nxb2 Nb4 16. Bf3
$11 {0.16/9}) (11... Rb8 12. Qb3 (12. a3 Be6 13. Na4 b6 14. Bf3 Na5 15. Be5
Nxc4 16. Bxb8 $15 {-0.56/9}) (12. O-O Be6 13. Qxd8 Rfxd8 14. Rad1 Na5 15. Nd6
Ne8 16. Nxe8 $15 {-0.56/9}) 12... Be6 13. Rd1 Qa5 14. O-O a6 15. Nd6 b5 16. Qc2
$11 {0.00/8}) 12. O-O a6 13. Na3 Qc7 14. Qb3 Rad8 15. Rad1 Rfe8 16. Rxd8 $15 {
-0.28/8}) 11... Rxd8 12. Be2 (12. Nc7 Rb8 13. Rd1 Bf5 14. f3 Rxd1+ 15. Nxd1 Rd8
16. e4 $15 {-0.28/9}) (12. Rd1 Be6 13. Nc7 Rxd1+ 14. Nxd1 Rd8 15. Nxe6 fxe6 16.
Be2 $15 {-0.50/11}) 12... Nb4 13. O-O Bg4 14. f3 Bd7 15. Rad1 Ne8 16. a3 $11 {
-0.19/9}) (10... Qa5 11. Qa4 Qxa4 (11... Qd8 12. Be2 (12. Rd1 Bd7 13. Qa3 a6
14. Nd6 b6 15. Be2 Qe7 16. O-O $14 {0.41/9}) (12. Qa3 Be6 13. Rd1 Nbd7 14. Nd6
Qc7 15. Be2 a6 16. Nce4 $11 {0.13/8}) 12... Nc6 13. Rd1 Qe7 14. O-O Bg4 15.
Bxg4 Nxg4 16. h3 $14 {0.63/10}) 12. Nxa4 Na6 13. Rd1 Be6 14. Be2 b6 15. Nac3
Nd7 16. Nd6 $11 {0.19/10}) (10... Qb6 11. Na4 (11. Qd2 a6 (11... Be6 12. Na4 (
12. Rd1 a6 13. Na3 Nc6 14. Nd5 Bxd5 15. cxd5 Nxd5 16. Bxg7 $15 {-0.47/10}) (12.
O-O-O a6 13. Na3 Nbd7 14. e4 Rfd8 15. f3 Qa5 16. Qe3 $15 {-0.59/8}) 12... Qc6
13. Qd6 b6 14. Rd1 Qxd6 15. Nxd6 Nc6 16. Be2 $11 {-0.19/10}) (11... Bf5 12. Na4
(12. Nd5 Nxd5 13. Bxg7 Nxe3 14. Bxf8 Nc2+ 15. Ke2 Nxa1 16. Qh6 $15 {-0.47/9}) (
12. Rd1 Na6 13. Be2 Rfd8 14. Nd5 Nxd5 15. cxd5 Nb4 16. Bxg7 $15 {-0.44/9})
12... Qc6 13. Nac3 Be6 14. Rd1 a6 15. Na3 Re8 16. h3 $15 {-0.31/8}) 12. Na4 (
12. Nd6 Be6 13. O-O-O Rd8 14. Be2 Ne8 15. Nxe8 Rxd2 16. Rxd2 $17 {-1.06/9})
12... Qc6 13. Nbc3 Re8 14. Rd1 Bg4 15. f3 Bf5 16. Qd6 $15 {-0.50/8}) (11. Qd6
Nc6 (11... Qa5 12. O-O-O (12. Qc7 b6 13. O-O-O Bg4 14. f3 Bd7 15. Qf4 Bc6 16.
e4 $15 {-0.41/8}) 12... Ng4 13. Qc7 Bxc3 14. Bxc3 Qxa2 15. Rd2 Qb3 16. Qxc5 $14
{0.63/9}) 12. Qc7 (12. Be2 Bf5 13. Qc7 Qxc7 14. Nxc7 Rad8 15. Rd1 Rxd1+ 16.
Nxd1 $15 {-0.44/8}) (12. O-O-O Bg4 13. f3 Rad8 14. Qc7 Qxc7 15. Nxc7 Rxd1+ 16.
Nxd1 $11 {-0.09/9}) 12... Nb4 13. Rc1 Bf5 14. Qxb6 axb6 15. a3 Nc2+ 16. Ke2 $11
{-0.03/8}) 11... Qc6 12. Be2 (12. Qd6 b6 13. Rd1 Bb7 14. Nac3 Qxd6 15. Rxd6 Nc6
16. Na4 $11 {0.06/9}) (12. Nac3 Be6 13. Be2 Nbd7 14. Bf3 Qa6 15. Qb3 Rad8 16.
Nd5 $11 {0.16/8}) 12... Bf5 13. O-O Na6 14. Nd6 Bd7 15. Nc3 Rad8 16. Bf3 $14 {
0.28/8}) (10... Nfd7 11. Qb3 (11. Nd6 Qa5 (11... Nc6 12. Qb3 (12. Be2 Nb6 13.
Rb1 Qe7 14. O-O Be6 15. Ncb5 Rfd8 16. Bxg7 $15 {-0.56/8}) (12. Qd2 Qa5 13. Be2
Rd8 14. Rd1 Nb6 15. O-O Rxd6 16. Qxd6 $17 {-0.91/10}) 12... Na5 13. Qa3 Nc6 14.
Nd5 b6 15. Bxg7 Kxg7 16. Qc3+ $14 {0.50/9}) (11... Ne5 12. Nxc8 (12. Qd2 Nbc6
13. Be2 Qh4 14. g3 Qe7 15. Nxc8 Rfxc8 16. Nd5 $14 {0.34/9}) 12... Qxc8 13. Nd5
Re8 14. Be2 Nbc6 15. O-O Nb4 16. Nxb4 $14 {0.50/8}) 12. Qb3 (12. Rc1 Nb6 13.
Qb3 Nc6 14. Qb5 Rd8 15. Nde4 Qxb5 16. cxb5 $11 {-0.06/8}) (12. Qd2 Nc6 13. a3
Rd8 14. O-O-O Nf6 15. Be2 Be6 16. Qc2 $15 {-0.44/8}) 12... Nb6 13. O-O-O N8d7
14. Nce4 Bxb2+ 15. Kxb2 Na4+ 16. Kc1 $14 {0.28/9}) (11. Be2 Nc6 (11... Na6 12.
Qb3 (12. Nd6 Nb6 13. O-O Qe7 14. Nxc8 Rfxc8 15. Qb3 Rd8 16. Rfd1 $14 {0.44/9})
(12. O-O Qh4 13. Qb3 Rd8 14. Nd5 Ne5 15. a3 Be6 16. Rad1 $11 {0.22/8}) 12...
Ne5 13. O-O Be6 14. Nd5 b6 15. Rad1 Qh4 16. Qa3 $16 {0.88/8}) (11... Be5 12.
Qd2 (12. f4 Bg7 13. O-O Nc6 14. Nd6 Nb6 15. Rf2 Qe7 16. Nxc8 $15 {-0.31/8}) (
12. O-O a6 13. f4 axb5 14. fxe5 bxc4 15. Ne4 Qh4 16. Rf4 $14 {0.47/9}) 12...
Nc6 13. Nd5 Qh4 14. Bxe5 Ndxe5 15. g3 Qh6 16. f4 $14 {0.59/9}) 12. Nd6 (12. O-O
Qh4 13. Nd6 Nb6 14. Qc2 Be5 15. g3 Qe7 16. Nxc8 $11 {0.19/9}) (12. Qb3 Nb6 13.
Rd1 Qg5 14. g3 Na5 15. Qc2 Bf5 16. e4 $11 {0.19/9}) 12... Qe7 13. Nxc8 Raxc8
14. Nd5 Qe6 15. Bxg7 Kxg7 16. Rb1 $14 {0.31/9}) 11... Nc6 12. Nd5 (12. Rd1 Qh4
13. Nd5 Nde5 14. Nbc7 Rb8 15. Qb5 b6 16. Be2 $11 {-0.25/8}) (12. Be2 Nb6 13.
Rd1 Qg5 14. g3 Na5 15. Qc2 Bf5 16. e4 $11 {0.19/9}) 12... Nde5 13. O-O-O Na5
14. Qc2 Bf5 15. e4 Bg4 16. f3 $14 {0.53/8}) (10... Nbd7 11. Qb3 (11. Be2 Ne4 (
11... Qb6 12. Na4 (12. O-O a6 13. Na4 Qa5 14. Bc3 Qd8 15. Nd6 Qc7 16. Rb1 $14 {
0.47/9}) (12. Qd6 Qa5 13. Qd2 Nb6 14. Rd1 a6 15. Nd6 Rd8 16. Nb1 $11 {0.00/9})
12... Qa6 13. O-O Rb8 14. Bf3 b6 15. Qb3 Ne8 16. Bxg7 $14 {0.50/9}) (11... Re8
12. Qb3 (12. O-O Ne5 13. Qb3 b6 14. Rfd1 Qe7 15. Nd5 Nxd5 16. cxd5 $14 {0.44/8}
) (12. Qc2 Nb6 13. Rd1 Qe7 14. O-O h6 15. Nd5 Nfxd5 16. cxd5 $14 {0.34/8})
12... Ne5 13. O-O b6 14. Rfd1 Qe7 15. Nd5 Nxd5 16. cxd5 $14 {0.44/8}) 12. O-O (
12. Qc2 Nxc3 13. Bxc3 Ne5 14. O-O Qe7 15. Rad1 a6 16. Nd6 $14 {0.38/10}) (12.
Rb1 Qa5 13. Qa4 Qxa4 14. Nxa4 Bxb2 15. Rxb2 b6 16. Nac3 $14 {0.38/10}) 12...
Qh4 13. Qc2 Nxc3 14. Bxc3 Be5 15. Bxe5 Nxe5 16. Rad1 $14 {0.41/9}) (11. Nd6 Nb6
(11... Qc7 12. Qd2 (12. Be2 Rd8 13. Nxc8 Nb6 14. Qb3 Qxc8 15. O-O Rd2 16. Bf3
$11 {0.25/9}) (12. Ncb5 Qc6 13. Qf3 Qb6 14. a4 a6 15. a5 Qd8 16. Nxc8 $11 {
-0.06/9}) 12... Rd8 13. Rd1 Qb6 14. e4 Qa6 15. Qf4 Qa5 16. Be2 $14 {0.38/8}) (
11... Qb6 12. Rb1 (12. Na4 Qc6 13. Be2 Qxg2 14. Bf3 Qh3 15. Rb1 Rb8 16. Nxc8
$15 {-0.44/8}) (12. Qd2 Rd8 13. Be2 Ne5 14. Rd1 Nd3+ 15. Qxd3 Qxb2 16. Qd2 $11
{0.00/9}) 12... Rd8 13. Nxc8 Raxc8 14. Qa4 Rb8 15. Be2 a6 16. O-O $14 {0.34/10}
) 12. Be2 (12. Qd3 Qe7 13. Nxc8 Raxc8 14. Qc2 Rfd8 15. Be2 Qe6 16. Qb3 $15 {
-0.41/9}) (12. Nxc8 Qxc8 13. Rb1 Rd8 14. Qf3 Qe6 15. Ba1 Nxc4 16. Qxb7 $17 {
-0.81/8}) 12... Qe7 13. Nxc8 Raxc8 14. Qb3 Rcd8 15. O-O Rd2 16. Rab1 $11 {
0.03/9}) 11... Ne5 (11... Qa5 12. Be2 (12. Nd6 Rd8 13. Rd1 Ne5 14. Be2 Ne8 15.
Nxe8 Rxe8 16. O-O $14 {0.44/9}) (12. Rd1 Rd8 13. Be2 Ne8 14. O-O a6 15. Na3
Nef6 16. Nd5 $14 {0.44/9}) 12... Ne4 13. Bd3 f5 14. Bxe4 fxe4 15. O-O Nf6 16.
Nd6 $14 {0.53/9}) (11... b6 12. Rd1 (12. Be2 Bb7 13. O-O a6 14. Nd6 Bc6 15.
Rfd1 Ne8 16. Rab1 $14 {0.38/8}) 12... a6 13. Nd6 Qc7 14. Be2 Ne5 15. Na4 Ned7
16. O-O $14 {0.53/8}) 12. Rd1 (12. Be2 Nfg4 13. Nd5 Qh4 14. g3 Qh3 15. Nf4 Qh6
16. Nd6 $14 {0.41/8}) 12... Qe7 13. Be2 Bg4 14. f3 Bd7 15. e4 Nh5 16. g3 $14 {
0.41/8}) (10... Na6 11. Be2 (11. Qxd8 Rxd8 12. a3 (12. Rd1 Rxd1+ 13. Nxd1 Nb4
14. a3 Nc2+ 15. Kd2 Bf5 16. Kc1 $11 {-0.09/9}) 12... Be6 13. Rd1 Ne4 14. Nxe4
Rxd1+ 15. Kxd1 Bxb2 16. Kc2 $11 {0.03/10}) (11. Qb3 Qa5 (11... Bg4 12. Nd5 (12.
f3 Bd7 13. Rd1 Re8 14. e4 Re6 15. Nd5 Bh8 16. Be2 $14 {0.66/8}) (12. h3 Bd7 13.
Rd1 Qb6 14. Nd5 Nxd5 15. Bxg7 Kxg7 16. cxd5 $14 {0.47/8}) 12... Re8 13. Qc3 Nh5
14. Qd2 Nf4 15. Bxg7 Nxd5 16. Bb2 $16 {0.91/9}) 12. Be2 (12. Rd1 Rd8 13. Rxd8+
Qxd8 14. Be2 Bf5 15. O-O Nb4 16. Rd1 $11 {0.13/8}) 12... Rd8 13. O-O Nb4 14.
Rfd1 Bg4 15. a3 Bxe2 16. Nxe2 $14 {0.50/8}) 11... Qa5 (11... Ne4 12. Qc1 (12.
Nxe4 Bxb2 13. Qxd8 Rxd8 14. Rb1 Bg7 15. Ned6 Nb4 16. Bf3 $11 {-0.09/8}) (12.
Qxd8 Rxd8 13. Rb1 Nxc3 14. Bxc3 Bf5 15. Rb2 Nb4 16. O-O $11 {-0.22/9}) 12...
Bf5 13. O-O Qd2 14. Bf3 Qxc1 15. Raxc1 Rfb8 16. Nxe4 $16 {1.00/10}) (11... Qb6
12. Qb3 (12. O-O Be6 13. Qb3 Nc7 14. a4 Nxb5 15. axb5 a6 16. Qa3 $14 {0.31/8})
(12. Qa4 Rd8 13. Rd1 Rxd1+ 14. Qxd1 Bf5 15. O-O Nb4 16. Na4 $11 {0.22/9}) 12...
Bf5 13. O-O Nb4 14. Na4 Qc6 15. Bf3 Ne4 16. Bxg7 $16 {0.78/8}) 12. O-O (12. Qb3
Rd8 13. O-O Nb4 14. Rfd1 Bg4 15. a3 Bxe2 16. Nxe2 $14 {0.50/8}) (12. Qa4 Qxa4
13. Nxa4 Rd8 14. Rd1 Rxd1+ 15. Bxd1 Bg4 16. Bxf6 $14 {0.41/10}) 12... Rd8 13.
Qb3 Nb4 14. Rfd1 Bg4 15. a3 Bxe2 16. Nxe2 $14 {0.50/8}) (10... a6 11. Qxd8 (11.
Nd6 Bg4 (11... Nc6 12. Be2 (12. Qd2 Qe7 13. Rd1 Rd8 14. Nxc8 Raxc8 15. Nd5 Nxd5
16. cxd5 $15 {-0.56/9}) (12. Rb1 Qc7 13. Nxc8 Raxc8 14. Be2 Rcd8 15. Qb3 Ne5
16. O-O $11 {0.22/9}) 12... Qc7 13. Nxc8 Raxc8 14. O-O Rfe8 15. Qc2 Rcd8 16.
Rfd1 $14 {0.31/9}) (11... Qb6 12. Na4 (12. Nxc8 Qxb2 13. Ne7+ Kh8 14. Qc1 Qb6
15. Rb1 Qa5 16. Qd2 $11 {-0.03/10}) 12... Qa5+ 13. Bc3 Qc7 14. Nxc8 Rxc8 15.
Rb1 Nbd7 16. Bd3 $11 {0.03/9}) 12. Qd2 (12. f3 Be6 13. Qd2 Qb6 14. O-O-O Rd8
15. Na4 Qc6 16. Nxc5 $17 {-1.19/9}) (12. Be2 Bxe2 13. Nxe2 Qe7 14. Qd2 Rd8 15.
Rd1 Nc6 16. Bxf6 $17 {-1.00/8}) 12... Qb6 13. e4 Rd8 14. e5 Bf8 15. exf6 Bxd6
16. Nd5 $15 {-0.47/9}) 11... Rxd8 12. Nc7 Ra7 13. N7d5 Nxd5 14. O-O-O b5 15.
Nxd5 Bd7 16. Bf6 $14 {0.56/9}) 11. Qb3 (11. Be2 Qa5 (11... a6 12. Nd6 Qb6 13.
Rb1 Rd8 14. Ba1 Bb5 15. cxb5 Rxd6 16. Qa4 $14 {0.56/9}) (11... Nc6 12. Qb3 (12.
O-O Be6 13. Na4 Qe7 14. Qd6 Qxd6 15. Nxd6 b6 16. Rfd1 $11 {0.09/9}) (12. Nd6
Qb8 13. Qd2 Rd8 14. O-O-O Bf5 15. Bf3 Ne5 16. Be2 $19 {-1.59/8}) 12... Na5 13.
Qa3 Qb6 14. Rd1 Bxb5 15. cxb5 Qc7 16. O-O $14 {0.63/10}) 12. O-O Bc6 13. Qb3 a6
14. Na3 Rd8 15. Rfd1 Nbd7 16. Rab1 $11 {0.09/8}) (11. Bd3 a6 (11... Be6 12. Be2
(12. O-O a6 13. Na3 Nc6 14. Qe2 Qc7 15. Ne4 Ng4 16. f4 $15 {-0.34/9}) (12. e4
a6 13. Na3 Nh5 14. Qd2 Nf4 15. Qxf4 Qxd3 16. e5 $15 {-0.69/9}) 12... Qa5 13.
Qa4 Qb6 14. Qa3 Nc6 15. O-O Qa5 16. Rfd1 $11 {0.06/8}) (11... Nc6 12. Be2 (12.
O-O Be6 13. Be2 a6 14. Na3 Qc7 15. Qb3 Rad8 16. Rad1 $15 {-0.44/8}) 12... Bf5
13. Nd6 Be6 14. Bf3 Qd7 15. Na4 b6 16. Ne4 $11 {0.00/8}) 12. Na3 Nc6 13. O-O
Re8 14. Qb3 Bg4 15. Be2 Bxe2 16. Nxe2 $11 {-0.22/8}) (11. Nd6 Bc6 (11... Qc7
12. Ndb5 (12. Ncb5 Qb6 13. Qd2 Rd8 14. Rd1 Bxb5 15. Bxf6 Bxf6 16. cxb5 $19 {
-2.72/11}) (12. Qd2 Rd8 13. Rd1 Qb6 14. e4 Bc6 15. e5 Ne8 16. Nd5 $17 {-0.75/8}
) 12... Qb6 13. Qb3 a6 14. Na3 Qxb3 15. axb3 Bc6 16. Nab5 $11 {-0.25/9}) (11...
Qb6 12. Rb1 (12. Qd2 Rd8 13. O-O-O Be6 14. Be2 Na6 15. Na4 Qc6 16. Nc3 $19 {
-1.84/8}) 12... Bg4 13. f3 Rd8 14. fxg4 Rxd6 15. Qa4 Nfd7 16. Qa3 $15 {-0.41/9}
) 12. Qd3 (12. Qd2 Qe7 13. Rd1 Na6 14. f3 Rfd8 15. Ncb5 Rd7 16. Be2 $19 {
-1.53/7}) (12. Rb1 Qe7 13. Qd3 Rd8 14. Rd1 Na6 15. Nd5 Bxd5 16. Bxf6 $19 {
-2.47/9}) 12... Qb6 13. Qc2 Rd8 14. Rd1 Na6 15. Qb3 Qa5 16. Qa3 $15 {-0.66/8})
11... b6 (11... Bg4 12. Nd5 (12. h3 Be6 13. Rd1 Nbd7 14. Be2 a6 15. Nd6 Qc7 16.
Bf3 $11 {0.06/8}) (12. Be2 Bxe2 13. Nxe2 Nc6 14. Rd1 Qe7 15. Nf4 Rfd8 16. O-O
$11 {0.19/9}) 12... Nc6 13. f3 Be6 14. Rd1 Nd7 15. Bxg7 Kxg7 16. Be2 $14 {
0.50/7}) (11... Bc6 12. Rd1 Qa5 13. Qa3 Qxa3 14. Bxa3 Nbd7 15. Nd5 Bxb5 16.
cxb5 $11 {0.13/9}) (11... Nc6 12. Rd1 (12. Nd5 Nxd5 13. Bxg7 Qa5+ 14. Bc3 Nxc3
15. Nxc3 Rad8 16. Rc1 $15 {-0.47/10}) (12. Be2 Na5 13. Qa3 a6 14. Nd6 Qc7 15.
Rd1 b6 16. Nce4 $11 {0.22/8}) 12... b6 13. Be2 Na5 14. Qc2 Qe7 15. Nd5 Nxd5 16.
cxd5 $14 {0.38/8}) 12. Rd1 (12. Nd5 Nc6 13. Nbc7 Rc8 14. Nxf6+ Bxf6 15. Nd5 Be5
16. Rd1 $11 {0.22/9}) 12... a6 13. Na3 Nc6 (13... Qc7 14. Be2 Re8 15. Bf3 Nc6
16. Nd5 $11 {0.09/9}) 14. Be2 (14. Bd3 Nb4 15. Be4 Nxe4 16. Nxe4 $11 {-0.06/9})
14... Re8 (14... Na5 15. Qc2 Qe7 16. Nd5 $11 {0.16/9}) 15. O-O Qc7 16. Nd5 Nxd5
17. cxd5 Nd4 18. Bxd4 cxd4 19. Nc2 dxe3 20. d6 Qc5 21. Nxe3 (21. fxe3 $143 Be6
22. Qd3 Rad8 $17) 21... b5 22. Rd5 (22. Bf3 Rab8 $11) 22... Qb6 23. Rd2 Qa5 24.
Rfd1 Rac8 25. Nd5 Rc1 26. Bf1 (26. Rxc1 $4 Qxd2 27. Ne7+ Rxe7 28. dxe7 Qxc1+ (
28... Qxe2 $6 29. Qb4 Be8 30. Qd6 $15) 29. Bf1 Qc5 $19) 26... Rxd1 (26... Re1
27. Ne7+ Kf8 28. Rxc1 Qxd2 29. Rxe1 Qxe1 30. Qd5 $14) 27. Rxd1 Bg4 28. Rd3 Qe1
29. Ne7+ (29. Qb4 Re2 30. Qxe1 Rxe1 $11) 29... Kf8 30. Qc2 Bf6 31. h3 (31. Re3
Qb4 32. Qc6 Rd8 $15 (32... Bxe7 $4 33. dxe7+ (33. Rxe7 $143 Rxe7 34. dxe7+ Qxe7
$15) 33... Rxe7 34. a3 Rxe3 35. axb4 $18)) 31... Be6 (31... Bd7 32. Rd1 Qa5 33.
Nd5 $14) 32. Nd5 Bxd5 33. Rxd5 Qe6 (33... Rd8 34. Qe2 Qc1 35. d7 $11) 34. Rd1 (
34. Qd3 Be5 $11) 34... Rd8 35. d7 (35. Qd2 Rd7 36. a4 Be5 37. axb5 axb5 38.
Bxb5 Rxd6 $11) 35... Rxd7 $15 36. Qc8+ Ke7 37. Rxd7+ Qxd7 38. Qxa6 b4 39. Bc4
1/2-1/2

[Event "corr TKM/A005"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Bilsel, Sabahaddin"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "85"]
[EventDate "2000.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nc3 Bg7 6. Nf3 O-O 7. d4 exd4 8. Nxd4
c5 9. bxc5 dxc5 10. Nb3 Qb6 11. Bd3 Rd8 12. Qe2 a5 13. Rb1 Nc6 (13... a4 14.
Nc1 $11 (14. Nd2 Qd6 (14... a3 15. Ba1 Qd6 16. Nce4 Nxe4 17. Bxe4 Bxa1 18. Rxa1
Na6 19. Rd1 $11 {-0.03/10}) 15. Bc2 (15. Nce4 Nxe4 16. Bxe4 Bxb2 17. Rxb2 Qe5
18. Rb5 Na6 19. f3 $15 {-0.50/9}) 15... Nc6 16. Nde4 Nxe4 17. Nxe4 Qe7 18. Bxg7
Kxg7 19. a3 $11 {-0.12/8}) 14... Qe6 (14... a3 15. Ba1 Qe6 16. Nb5 Qe7 17. O-O
Nc6 18. Rb3 Ne5 19. Nxa3 $14 {0.28/9}) (14... Qc6 15. e4 (15. O-O a3 16. Ba1
Nbd7 17. Nb5 Re8 18. Rb3 b6 19. Rd1 $14 {0.47/9}) (15. f3 a3 16. Ba1 Nbd7 17.
e4 Ne5 18. O-O Qd6 19. Nb5 $14 {0.28/10}) 15... a3 16. Ba1 Qc7 17. e5 Re8 18.
Nb5 Qc6 19. O-O $16 {0.78/9}) 15. Nb5 (15. a3 Nc6 16. Nb5 Qe7 17. O-O Ne5 18.
Rd1 Nxd3 19. Nxd3 $11 {-0.19/8}) (15. O-O Nc6 16. Nb5 Rd7 17. f4 Ng4 18. Bxg7
Kxg7 19. e4 $11 {0.09/9}) 15... Rd7 16. O-O Nc6 17. a3 Ne5 18. Bxe5 Qxe5 19. f4
$11 {0.19/11}) (13... Na6 14. O-O Nb4 15. Na4 Qc6 16. Naxc5 Nxd3 17. Nxd3 Qxc4
18. Bd4 Qc6 19. Rfc1 $14 {0.28/8}) (13... Be6 14. O-O (14. Nd2 Qc7 (14... Qd6
15. Nce4 Nxe4 16. Bxe4 Bxb2 17. Rxb2 Qe5 18. Rxb7 Na6 19. f3 $14 {0.47/8}) (
14... Qc6 15. e4 (15. O-O Nbd7 16. e4 Rab8 17. Rfd1 Re8 18. Nb5 Re7 19. e5 $14
{0.53/9}) 15... Nbd7 16. O-O Rab8 17. Rfd1 Re8 18. Nb5 Re7 19. e5 $14 {0.53/9})
15. e4 (15. Nde4 Nbd7 16. Nb5 Qc6 17. Nxf6+ Nxf6 18. O-O Rd7 19. Rfd1 $11 {
-0.06/9}) (15. Nce4 Nbd7 16. Nxf6+ Nxf6 17. Ne4 Nxe4 18. Bxe4 Bxb2 19. Rxb2 $11
{-0.25/9}) 15... Nh5 16. g3 Bxc3 17. Bxc3 Nc6 18. a3 Qd6 19. Bc2 $11 {0.00/10})
(14. e4 Nh5 (14... a4 15. Nc1 (15. Nd2 Nc6 16. Nxa4 Qa5 17. Nb6 Nh5 18. Bxg7
Nf4 19. Rb5 $17 {-1.06/9}) 15... Nh5 16. Nd5 Bxd5 17. exd5 Nf4 18. Qc2 Qa5+ 19.
Kd1 $11 {-0.03/9}) (14... Nbd7 15. O-O a4 16. Nd2 Qc6 17. Nd5 Re8 18. Qf3 Rad8
19. h3 $14 {0.50/9}) 15. Qe3 (15. Nd5 Bxd5 16. Bxg7 Nf4 17. Qf3 Nxd3+ 18. Qxd3
Bc6 19. Nxc5 $17 {-0.81/9}) 15... Qb4 16. Be2 Bxc4 17. Bxc4 Qxc4 18. Nd2 Qd4
19. g4 $15 {-0.53/9}) 14... a4 15. Nd2 (15. Nc1 Qc7 16. e4 Ng4 17. g3 Bxc3 18.
Bxc3 Nc6 19. f4 $11 {0.19/9}) 15... a3 16. Ba1 Qd6 17. Nde4 Qe7 18. Nxf6+ Bxf6
19. Nd5 $14 {0.50/10}) (13... Bg4 14. f3 Be6 (14... a4 15. Nd2 (15. fxg4 axb3
16. axb3 Na6 17. g5 Nb4 18. O-O Rxd3 19. gxf6 $14 {0.59/8}) 15... Be6 16. Nxa4
Qa5 17. Nb6 Ra7 18. O-O Nc6 19. a3 $14 {0.59/9}) 15. Ba3 Nc6 16. Bxc5 Qa6 17.
Bd4 a4 18. c5 Nxd4 19. Nxd4 $14 {0.44/8}) (13... h6 14. e4 (14. O-O a4 15. Nd2
a3 16. Ba1 Qc7 17. Rfd1 Bg4 18. f3 Be6 19. e4 $14 {0.41/9}) (14. Nd2 Na6 (14...
Qd6 15. Be4 (15. Nce4 Nxe4 16. Bxe4 Bxb2 17. Rxb2 Qe5 18. Rb3 Na6 19. Rd3 $11 {
-0.09/9}) (15. Bc2 Nbd7 16. O-O Ng4 17. f4 Ndf6 18. Rfd1 Nxe3 19. Nde4 $11 {
0.25/7}) 15... Bg4 16. f3 Bc8 17. O-O Nbd7 18. Nd5 Rb8 19. Rfd1 $14 {0.59/9})
15. a3 (15. Na4 Qc6 16. Bxf6 Bxf6 17. Nb6 Rb8 18. Nd5 Nb4 19. Be4 $11 {-0.25/9}
) (15. Nce4 Nb4 16. Bxf6 Bxf6 17. a3 Nxd3+ 18. Qxd3 Rxd3 19. Rxb6 $11 {-0.22/9}
) 15... Qd6 16. Bc2 Qe7 17. e4 Nc7 18. Nd5 Nfxd5 19. exd5 $14 {0.50/8}) 14...
a4 15. Nc1 (15. Nd2 a3 16. Ba1 Qd6 17. Nd5 Nxd5 18. cxd5 Bxa1 19. Rxa1 $14 {
0.53/8}) 15... a3 16. Ba1 Qc7 17. e5 Re8 18. Nb5 Qc6 19. O-O $16 {0.75/9}) 14.
O-O a4 (14... Nb4 15. Na4 Qc6 16. Naxc5 Nxd3 17. Nxd3 Qxc4 18. Bd4 Bg4 19. Qb2
$11 {0.25/9}) 15. Nc1 (15. Na1 Nb4 16. Ne4 Qc6 17. Nxf6+ Bxf6 18. Bxf6 Qxf6 19.
Rfd1 $11 {-0.22/10}) 15... Nb4 (15... Qc7 16. Ne4 Ng4 17. Ng3 (17. f4 $15 f5
18. Nf2 Nf6 19. a3 $15 {-0.28/9}) 17... Nge5 18. f4 Bg4 19. Qc2 $11 {-0.19/9})
16. a3 (16. Ne4 a3 17. Bxf6 Bxf6 18. Nxf6+ Qxf6 19. Rd1 $11 {-0.09/10}) 16...
Nxd3 17. Nxd3 Qd6 (17... Qc7 18. e4 $11 Ng4 19. f4 $14 {0.44/9}) 18. Rfd1 Bf5 (
18... Qe7 19. e4 $14) (18... Bg4 19. f3 $14 {0.28/10}) 19. e4 $14 Re8 20. f3
Be6 21. e5 Qd4+ 22. Nf2 Qh4 (22... Bxc4 $142 $5 23. Rxd4 Bxe2 $16) 23. g3 $18
Qxc4 24. Qxc4 Bxc4 25. exf6 Bxf6 26. Nce4 Bxb2 27. Rxb2 Re7 28. Nxc5 Re3 29.
Rxb7 (29. Nfd3 Rd8 30. Kf2 Rexd3 31. Nxd3 Rxd3 32. Rxd3 Bxd3 33. Rxb7 Kg7 $18)
29... Rxa3 30. f4 Rc3 31. Nfe4 Rc2 32. Nd7 a3 33. Ra1 (33. Nb6 Rb2 34. Nc5 Ba6
$11) 33... a2 34. Nd6 Be6 35. Nf6+ Kg7 36. Nfe4 (36. Nfe8+ Kf8 37. Nc7 Rd8 38.
Nxe6+ fxe6 $16) 36... Bd5 $14 37. Rb5 Bxe4 38. Nxe4 Re8 39. Rb4 Rec8 40. Rd4
Rc1+ 41. Rd1 Rxd1+ 42. Rxd1 Rc4 43. Ra1 1/2-1/2

[Event "corr SOK-95-110"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Mothes, Rainer"]
[Black "Dopper, Johan"]
[Result "0-1"]
[PlyCount "48"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. d4 O-O 7. Nc3 exd4 8. Nxd4
Re8 (8... c5 9. Nc2 (9. bxc5 dxc5 10. Ndb5 Bd7 11. Qb3 b6 12. Rd1 a6 13. Na3
Nc6 14. Be2 Re8 15. O-O Qc7 16. Nd5 Nxd5 17. cxd5 Nd4 18. Bxd4 cxd4 19. Nc2
dxe3 20. d6 Qc5 21. Nxe3 b5 22. Rd5 Qb6 23. Rd2 Qa5 {
Woelfelschneider,P-Dopper,J/corr TKM-A004 2000/1/2-1/2 (39)}) 9... cxb4 (9...
Ne4 10. Nxe4 Bxb2 11. Rb1 Be5 12. f4 Bg7 13. Nxd6 cxb4 14. Nxc8 Bc3+ 15. Kf2
Qxc8 16. Nxb4 Rd8 17. Nd5 Bg7 18. Ne7+ {1-0 marre-oppo02/internet 2010}) 10.
Nxb4 Qa5 11. Qb3 Na6 12. Nxa6 bxa6 13. Rc1 Ne4 14. Bd3 Nc5 15. Qc2 Qb4 16. Ba1
Be6 17. O-O Nxd3 18. Qxd3 Bxc4 19. Qe4 f5 20. Qf4 g5 21. Qxg5 Bxf1 22. Qxg7+
Kxg7 23. Nd5+ {Novikov,K (2215)-Chernikov,O (2420)/RUS-ch Seniors 2004/0-1 (43)
}) 9. Be2 Nbd7 $146 (9... a5 10. a3 axb4 11. axb4 Rxa1 12. Qxa1 Na6 13. b5 Nc5
14. O-O Ng4 15. Qd1 Ne5 16. Qc2 Qh4 17. Nd5 c6 18. Nf4 Bh6 19. bxc6 bxc6 20.
Nf3 Bf5 21. Qc3 Qe7 22. Nd4 Bd7 23. Ra1 Qf6 24. Ra7 {Liptak-Sturm/0-1}) (9...
Nc6 10. Nxc6 bxc6 11. O-O $15) 10. a4 (10. O-O c5 11. bxc5 Nxc5 $14) 10... c5
11. Ndb5 (11. bxc5 $142 $5 Nxc5 12. O-O $11) 11... cxb4 $17 12. Nd5 Nxd5 13.
Bxg7 Nxe3 14. fxe3 Kxg7 15. O-O (15. Qd4+ Re5 16. Nxd6 Qg5 $15) 15... Qb6 (
15... Nf6 16. Nxd6 Rxe3 $19) 16. Kh1 (16. Nxd6 $142 Qxe3+ 17. Rf2 $19) 16...
Rxe3 17. Nxd6 Ne5 18. c5 Qxc5 19. Rc1 Rc3 20. Ne8+ (20. Rxc3 bxc3 (20... Qxc3
$143 21. Ne8+ Kf8 22. Bb5 $17) 21. Ne8+ Kf8 $19) 20... Kf8 21. Qd8 (21. Rxc3
bxc3 22. Qd8 $19) 21... Bg4 (21... Rxc1 $4 22. Nf6+ Kg7 23. Qg8+ Kh6 24. Qxh7+
Kg5 25. Ne4#) 22. Qxa8 Rxc1 (22... Bxe2 $4 23. Nf6+ Qc8 24. Qxc8+ Rxc8 25.
Rxc8+ Kg7 26. Rg8+ Kh6 27. Re1 $18) 23. Nf6+ Bc8 24. h3 (24. Ne4 Rxf1+ 25. Bxf1
$19) 24... b3 (24... b3 25. Ne4 Qc7 $19) 0-1

[Event "corr 3GMMsemi-06"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Kuhlmann, Antonius Egidius J"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[PlyCount "35"]
[EventDate "1998.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d4 exd4 7. Nxd4 Bg4 8. Qb3
O-O 9. h3 Bd7 10. Bd3 Nc6 (10... a5 11. a3 $11 (11. b5 Be6 (11... Bc8 12. Nc3 (
12. O-O Nbd7 13. Nc3 Nc5 14. Qc2 Nxd3 15. Qxd3 $11 {0.06/9}) (12. Nd2 Nbd7 13.
O-O Nc5 14. Qc2 Nxd3 15. Qxd3 $11 {-0.03/9}) 12... Nbd7 13. O-O Nc5 14. Qc2 a4
15. a3 $11 {0.16/10}) 12. O-O (12. Qc2 Nbd7 13. O-O Nc5 14. Rd1 Nxd3 15. Qxd3
$11 {-0.09/8}) (12. Nc3 Nbd7 13. O-O Nc5 14. Qc2 a4 15. a3 $11 {-0.06/9}) 12...
Nbd7 13. Qc2 Qe7 14. Rd1 Nc5 15. Nc3 $11 {0.06/9}) 11... c5 (11... Re8 12. O-O
(12. Nc3 c5 13. bxc5 dxc5 14. Nf3 a4 15. Qc2 $11 {0.13/10}) (12. Nd2 a4 13. Qd1
c5 14. Nc2 Nc6 15. O-O $11 {-0.03/8}) 12... Na6 13. Rd1 Qe7 14. Nc3 c5 15. bxc5
$11 {0.13/9}) (11... Nc6 12. Nxc6 (12. Nd2 axb4 13. axb4 Rxa1+ 14. Bxa1 Ne5 15.
O-O $11 {-0.03/10}) (12. O-O Ne5 13. Nd2 a4 14. Qc2 Nxd3 15. Qxd3 $11 {0.00/9})
12... Bxc6 13. O-O axb4 14. axb4 Rxa1 15. Bxa1 $11 {0.13/9}) 12. Nf3 (12. Nc2
a4 13. Qa2 Nc6 14. O-O Ne5 15. Rd1 $11 {-0.22/9}) (12. Ne2 a4 13. Qc3 cxb4 14.
axb4 Nc6 15. O-O $11 {0.00/9}) 12... a4 13. Qd1 cxb4 14. axb4 Na6 15. Bc3 $11 {
0.09/9}) (10... Re8 11. O-O (11. Nc3 c5 (11... Nc6 12. O-O (12. Nxc6 Bxc6 13.
O-O a5 14. b5 Be4 15. Nxe4 $11 {0.22/9}) 12... Ne5 13. Be2 a5 14. b5 Be6 15.
Nxe6 $14 {0.31/9}) (11... Na6 12. a3 (12. Nc2 Be6 13. O-O c5 14. a3 Qb6 15. b5
$14 {0.47/9}) 12... Nh5 13. O-O Nf4 14. exf4 Bxd4 15. Nd5 $14 {0.56/9}) 12.
Ndb5 (12. Nc2 Nc6 13. O-O Ne5 14. Be2 Bf5 15. bxc5 $11 {0.09/8}) (12. Nf3 Nc6
13. bxc5 dxc5 14. O-O-O Nb4 15. g4 $11 {-0.09/8}) 12... Qb6 13. O-O a6 14. bxc5
dxc5 15. Na3 $11 {0.13/9}) (11. a3 a5 (11... Nc6 12. Nxc6 (12. Nd2 Nh5 13. N2f3
Nf4 14. O-O Nxd4 15. Bxd4 $15 {-0.37/9}) (12. O-O Ne5 13. Be2 Ne4 14. Qc2 Qh4
15. Nd2 $11 {0.13/9}) 12... Bxc6 13. O-O a6 14. Nc3 Qe7 15. Rfe1 $11 {0.25/9})
(11... Na6 12. Nc3 (12. O-O Ne4 13. Qc2 f5 14. c5 dxc5 15. Bxa6 $14 {0.41/8}) (
12. Nd2 Qe7 13. O-O Nb8 14. Qd1 c5 15. N4f3 $14 {0.34/8}) 12... Nh5 13. O-O Nf4
14. exf4 Bxd4 15. Nd5 $14 {0.56/9}) 12. O-O (12. Nc3 c5 13. bxc5 dxc5 14. Nf3
a4 15. Qc2 $11 {0.13/10}) (12. Nd2 a4 13. Qd1 c5 14. Nc2 Nc6 15. O-O $11 {
-0.03/8}) 12... Na6 13. Rd1 Qe7 14. Nc3 c5 15. bxc5 $11 {0.13/9}) 11... a5 (
11... Nc6 12. Nxc6 (12. Nc3 Ne5 13. Be2 a5 14. b5 g5 15. f4 $11 {0.16/8}) (12.
Rd1 Ne5 13. Be2 a5 14. bxa5 Qc8 15. Nc3 $11 {-0.06/9}) 12... Bxc6 13. Nc3 a5
14. b5 Be4 15. Nxe4 $11 {0.22/9}) (11... Qe7 12. Rd1 (12. Nc3 c5 13. Nc2 Nc6
14. Nd5 Nxd5 15. cxd5 $11 {0.09/7}) (12. Nd2 a5 13. a3 Nc6 14. Rfd1 Nxd4 15.
Bxd4 $11 {0.22/8}) 12... Nc6 13. Nxc6 Bxc6 14. Nc3 a6 15. a4 $11 {0.22/9}) 12.
a3 (12. b5 Ne4 13. Bxe4 Rxe4 14. Nc3 Re8 15. Qd1 $11 {0.09/9}) (12. c5 axb4 13.
cxd6 c5 14. Nb5 Be6 15. Bc4 $11 {-0.03/9}) 12... Nc6 13. Nxc6 Bxc6 14. Nc3 Nd7
15. Nd5 $11 {0.13/8}) (10... Qe7 11. O-O (11. Nc3 Nc6 (11... c5 12. Ndb5 (12.
Nc2 Nc6 13. bxc5 Ne5 14. Be2 dxc5 15. e4 $11 {-0.03/8}) (12. bxc5 dxc5 13. Nf3
Nc6 14. O-O Rfd8 15. Rfd1 $11 {-0.09/8}) 12... Na6 13. a3 Rfd8 14. O-O Bxb5 15.
cxb5 $14 {0.31/8}) (11... Re8 12. Rd1 (12. O-O c5 13. Nc2 Nc6 14. Nd5 Nxd5 15.
cxd5 $11 {0.09/8}) (12. Rb1 Nc6 13. Nxc6 Bxc6 14. Nd5 Bxd5 15. cxd5 $11 {0.22/8
}) 12... Nc6 13. Nxc6 bxc6 14. O-O a5 15. b5 $14 {0.28/10}) 12. Nxc6 (12. O-O
Ne5 13. Be2 a5 14. bxa5 Nc6 15. Qd1 $11 {0.09/8}) (12. Nf3 Ne5 13. Nxe5 dxe5
14. e4 Rfd8 15. Rd1 $11 {0.16/10}) 12... Bxc6 13. O-O Rfe8 14. b5 Bd7 15. Rab1
$11 {0.22/10}) (11. a3 a5 (11... Re8 12. Nc3 (12. O-O Nc6 13. Nxc6 Bxc6 14. Nc3
a6 15. Rfe1 $11 {0.25/9}) (12. Nd2 Nc6 13. O-O Ne5 14. Be2 h6 15. b5 $11 {
0.19/9}) 12... c5 13. Nf3 Bc6 14. Be2 cxb4 15. axb4 $14 {0.44/9}) (11... Nc6
12. O-O (12. Nd2 Ne5 13. Be2 Rfe8 14. O-O a5 15. bxa5 $11 {0.09/9}) (12. Nxc6
Bxc6 13. O-O Rfe8 14. Nc3 a6 15. Rfd1 $11 {0.16/9}) 12... Nxd4 13. Bxd4 Rfe8
14. Rd1 Be6 15. Nd2 $11 {0.22/10}) 12. O-O (12. Nc3 axb4 13. axb4 Rxa1+ 14.
Bxa1 Nc6 15. Nxc6 $11 {0.09/10}) (12. Nd2 a4 13. Qd1 c5 14. Nc2 Nc6 15. O-O $11
{-0.03/8}) 12... axb4 13. axb4 Rxa1 14. Bxa1 Na6 15. Rd1 $11 {0.13/10}) 11...
a5 (11... Nc6 12. Nc3 (12. Nxc6 Bxc6 13. Nc3 Rfe8 14. b5 Bd7 15. Rfd1 $11 {
0.22/9}) (12. Nd2 Ne5 13. Be2 Rad8 14. a4 c5 15. N4f3 $11 {0.09/8}) 12... Nxd4
13. exd4 Rfe8 14. Be2 d5 15. cxd5 $14 {0.28/10}) (11... Re8 12. Rd1 (12. a3 Nc6
13. Nxc6 Bxc6 14. Nc3 a6 15. Rad1 $11 {0.09/9}) (12. Nc3 c5 13. Nc2 Nc6 14. Nd5
Nxd5 15. cxd5 $11 {0.09/8}) 12... Nc6 13. Nxc6 Bxc6 14. Nc3 a6 15. a4 $11 {
0.22/9}) 12. a3 (12. b5 Be6 13. Nc3 Nbd7 14. e4 Ne5 15. Nd5 $11 {0.09/9}) (12.
bxa5 Na6 13. Bc2 Nc5 14. Qb4 Ra7 15. Nc3 $11 {-0.06/9}) 12... axb4 13. axb4
Rxa1 14. Bxa1 Nc6 15. Nxc6 $11 {0.22/10}) 11. O-O (11. Nxc6 Bxc6 (11... bxc6
12. O-O (12. a3 Re8 13. O-O a5 14. Nc3 Be6 15. Ne2 $11 {0.19/8}) (12. Nd2 a5
13. bxa5 Qe7 14. O-O Rfb8 15. Qc2 $11 {0.19/9}) 12... a5 13. b5 a4 14. Qc2 Qe7
15. Nd2 $14 {0.28/8}) 12. O-O a5 $11 13. b5 Be4 14. Qc2 Re8 15. Rd1 $11 {
0.19/10}) (11. a3 Ne5 (11... Re8 12. Nxc6 (12. Nd2 Nh5 13. N2f3 Nf4 14. O-O
Nxd4 15. Bxd4 $15 {-0.37/9}) (12. O-O Ne5 13. Be2 Ne4 14. Qc2 Qh4 15. Nd2 $11 {
0.13/9}) 12... Bxc6 13. O-O Qe7 14. Nc3 Qe6 15. b5 $11 {0.19/10}) (11... Qe7
12. O-O (12. Nxc6 Bxc6 13. O-O Rfe8 14. Nc3 a6 15. Rfe1 $11 {0.25/9}) (12. Nd2
Ne5 13. Be2 Rfe8 14. O-O a5 15. bxa5 $11 {0.13/9}) 12... Ne5 13. Be2 a5 14. Nc3
axb4 15. axb4 $14 {0.28/8}) 12. Be2 (12. O-O Re8 13. Rd1 Qe7 14. Be2 a5 15. Nc3
$11 {0.06/9}) 12... Ne4 13. O-O Re8 14. Qc2 Qh4 15. Nd2 $11 {0.13/9}) 11...
Nxd4 (11... Ne5 12. Be2 (12. Rd1 $11 a5 13. a3 axb4 14. axb4 Rxa1 15. Bxa1 $11
{-0.12/8}) (12. Bc2 c5 13. f4 Ba4 14. Qxa4 Nxc4 15. Qb3 $15 {-0.53/8}) 12...
Re8 13. Nc3 a5 14. b5 g5 15. f4 $11 {0.16/8}) (11... a5 12. b5 (12. a3 Ne5 13.
Nd2 c5 14. N4f3 Ba4 15. Qxa4 $15 {-0.41/9}) (12. Nxc6 bxc6 13. b5 a4 14. Qd1
Qe7 15. Qf3 $11 {0.22/9}) 12... Ne5 13. Be2 Bc8 14. Nc3 Nfd7 15. Na4 $14 {
0.47/9}) (11... Qe7 12. Nxc6 (12. Nc3 Ne5 13. Be2 a5 14. bxa5 Nc6 15. Nxc6 $11
{0.06/8}) (12. Nd2 Ne5 13. Be2 Rfb8 14. Rfd1 a5 15. a3 $11 {0.13/9}) 12... Bxc6
13. Nc3 Rfe8 14. b5 Bd7 15. Rab1 $11 {0.22/10}) 12. Bxd4 (12. exd4 Re8 13. Nd2
Qe7 14. Nf3 d5 15. Rae1 $11 {0.22/10}) 12... b6 (12... a5 13. b5 Re8 14. Rd1
Be6 15. Nc3 $11 {0.25/10}) 13. Nd2 (13. Rd1 Re8 14. b5 a6 15. a4 $11 {0.19/9})
13... Re8 14. a3 Bc6 (14... Qe7 15. Rad1 $14 {0.28/10}) 15. Qb2 (15. Rad1 $14 {
0.28/8}) 15... Nh5 (15... a6 16. e4 $11) 16. Bxg7 $14 Nxg7 17. Be2 Qe7 18. Bf3
1/2-1/2

[Event "KE03 NBC Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Brink, JA."]
[Result "1-0"]
[WhiteElo "2175"]
[BlackElo "2245"]
[PlyCount "43"]
[EventDate "2000.??.??"]

1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. Nf3 O-O 5. e3 a5 6. b5 c5 7. Be2 b6 8. d4 (8.
O-O d5 $14) 8... cxd4 (8... d6 9. O-O $14) 9. exd4 (9. Nxd4 Bb7 10. O-O Qc7 $14
) 9... d5 10. c5 bxc5 (10... Qc7 11. c6 $14) 11. dxc5 Nbd7 12. c6 Nc5 (12...
Nb6 13. O-O $16) 13. O-O Bg4 (13... Ne6 14. Be5 Ne4 15. Bxg7 Kxg7 16. a4 $16)
14. Nbd2 Nfe4 (14... Bf5 15. Nd4 $16) 15. Bxg7 $18 Kxg7 16. Nxe4 dxe4 17. Nd2
Bxe2 18. Qxe2 Qd3 (18... f5 $5 $18) 19. Qxd3 exd3 20. Rfc1 Na4 21. Rab1 Nb6 22.
Nc4 (22. Nc4 Nd5 23. b6 $18) 1-0

[Event "Zomer"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Junicke, Frank"]
[Result "0-1"]
[PlyCount "45"]
[EventDate "1994.??.??"]

1. b4 {A15: English Opening: 1...Nf6} g6 2. Bb2 Nf6 3. c4 Bg7 4. e3 O-O 5. Nf3
d5 6. cxd5 Nxd5 7. Bxg7 Kxg7 8. a3 (8. Qb3 c6 9. Be2 Qd6 10. a3 e5 11. Qb2 Re8
12. O-O Qf6 13. d3 e4 14. Nd4 exd3 15. Bxd3 Kg8 16. Nd2 Nd7 17. Qb3 Ne5 18. Be4
Nb6 19. h3 Nec4 20. N4f3 Be6 21. Qc2 a5 22. b5 cxb5 {
Teichmann,E (2325)-Baron,M (2300)/AUS Masters Melbourne 2002/0-1 (33)}) 8... a5
9. e4 $146 (9. Nc3 axb4 10. Nxd5 Qxd5 11. axb4 Rxa1 12. Qxa1+ f6 13. Be2 Nc6
14. b5 Nb4 15. O-O c5 16. d4 cxd4 17. Nxd4 e5 18. Bf3 Qf7 19. Ne2 Bf5 20. Rc1
Rc8 21. Rxc8 Bxc8 22. Qc3 Qd7 23. h4 Nd3 {
ludice (1755)-cabanek1 (1680)/6108706 kurnik 2011/1-0 (36)}) 9... Nf6 10. Nc3
axb4 11. axb4 Rxa1 12. Qxa1 Nc6 13. Bb5 (13. Nd5 Be6 14. Nxf6 exf6 $11) 13...
Nxb4 14. O-O Nc2 $4 (14... Bg4 15. Ne5 Qd4 16. Nxg4 Nxg4 17. Ne2 Qxa1 18. Rxa1
$17) 15. Qb2 $4 (15. Qa4 $142 $18) 15... Nd4 $17 16. Nxd4 Qxd4 17. Re1 Rd8 18.
e5 (18. Qb3 $5 $17) 18... Ng4 $19 19. Nd1 $2 (19. d3 Rd5 $1 (19... Nxe5 $6 20.
Re4 Qd6 21. Ne2 $17) 20. Bc4 Rxe5 $19) 19... Qxd2 (19... Qxb2 20. Nxb2 Rxd2 21.
Nc4 $19) 20. Qxd2 Rxd2 21. h3 Nxe5 $1 22. Rxe5 (22. Nc3 f6 23. f4 Rc2 $19)
22... Rxd1+ 23. Kh2 0-1

[Event "corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Van Embden, A."]
[Result "1-0"]
[PlyCount "57"]
[EventDate "1990.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 g6 4. e3 Bg7 5. Nf3 Nf6 6. d4 O-O 7. Be2 exd4 8. Qxd4
(8. Nxd4 c5 9. bxc5 dxc5 $17) 8... Nc6 $17 9. Qc3 Re8 (9... Bg4 10. Nbd2 $17)
10. O-O $15 Nh5 (10... Bf5 11. Nbd2 $15) 11. Qb3 $11 Bxb2 (11... Bf5 12. Bxg7
Kxg7 13. Nc3 $11) 12. Qxb2 Qf6 (12... Bg4 13. Nc3 $11) 13. Nc3 Bf5 (13... Be6
14. Qb3 $11) 14. Rad1 (14. b5 Ne7 $14) 14... a6 15. Qb3 Qg7 (15... Qe7 16. Nd5
Qd8 17. Qb2 $14) 16. Nh4 Be6 17. Bxh5 gxh5 18. Nd5 Rac8 19. Rfe1 Bg4 20. f3 Bd7
(20... Be6 21. e4 $14) 21. e4 Nd4 (21... Ne7 22. f4 $14) 22. Qc3 c5 23. f4 (23.
bxc5 dxc5 24. f4 $16) 23... Rb8 (23... Kh8 24. bxc5 dxc5 25. Rd3 $16) 24. Rd3
Kf8 $2 (24... Bg4 $142 25. Kh1 Kh8 $16) 25. bxc5 $18 dxc5 26. Qa5 (26. e5 Nf5
27. Nxf5 Bxf5 $18) 26... Rec8 (26... Rbc8 27. Nb6 Qg4 28. Nxc8 Rxc8 29. Nf3
Qxf4 30. Nxd4 cxd4 31. Rxd4 $18) 27. Nb6 Bg4 (27... Qg4 28. f5 Be8 29. Nxc8
Rxc8 30. Nf3 Nxf3+ 31. Rxf3 $18) 28. Nxc8 Rxc8 29. Qb6 1-0

[Event "?"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Haak, G."]
[Result "1/2-1/2"]
[PlyCount "36"]
[EventDate "1999.??.??"]

1. b4 Nf6 $15 2. Bb2 g6 3. Nf3 $11 Bg7 4. e3 O-O 5. c4 d6 6. d4 e5 7. Nc3 Nbd7
8. Be2 $11 c6 9. O-O Re8 10. Qc2 exd4 11. Nxd4 Ne5 (11... c5 12. bxc5 Nxc5 13.
h3 $11) 12. Nf3 (12. h3 Qb6 $11) 12... Bf5 13. Qd2 Nfd7 14. Nxe5 (14. Qxd6
Nxf3+ 15. gxf3 Bh3 $17) 14... dxe5 15. Rfd1 Nf6 16. a3 (16. c5 Qxd2 17. Rxd2 a5
$11) 16... Ne4 (16... Qc8 17. h3 $11) 17. Nxe4 Bxe4 18. f3 Bf5 1/2-1/2

[Event "NED-ch2 email"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Van den Haak, Gerard KP"]
[Result "1/2-1/2"]
[PlyCount "36"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. d4 Nbd7 7. Be2 O-O 8. O-O
Re8 9. Nc3 c6 (9... exd4 10. Qxd4 h6 11. a3 $14) 10. Qc2 (10. a3 Qe7 $14) 10...
exd4 $11 11. Nxd4 Ne5 12. Nf3 (12. Rfd1 Qe7 $11) 12... Bf5 (12... Nxf3+ 13.
Bxf3 Be6 14. b5 $11) 13. Qd2 Nfd7 (13... Be6 14. Nxe5 dxe5 15. Rfd1 $11) 14.
Nxe5 (14. Nd4 Nb6 15. Nxf5 gxf5 $17) 14... dxe5 (14... Nxe5 15. Rfd1 $11) 15.
Rfd1 (15. e4 Be6 16. Rfd1 Qh4 $11) 15... Nf6 $11 16. a3 (16. c5 Qxd2 17. Rxd2
a5 $11) 16... Ne4 (16... Qxd2 17. Rxd2 Rad8 18. Rad1 Rxd2 19. Rxd2 $11) 17.
Nxe4 $14 Bxe4 18. f3 Bf5 1/2-1/2

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Rohde, Friedhelm"]
[Black "Dopper, Johan"]
[Result "1-0"]
[PlyCount "79"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d3 O-O 7. Be2 Nc6 8. a3 Re8
(8... Bf5 9. O-O $11) 9. O-O e4 10. dxe4 Nxe4 11. Bxg7 (11. Qc2 Bxb2 12. Qxb2
Bf5 $11) 11... Kxg7 12. Nfd2 Qf6 13. Ra2 Bf5 14. Nxe4 Bxe4 (14... Rxe4 15. b5
Nd8 16. Qd2 $14) 15. Nd2 $14 Bf5 16. Bf3 a5 (16... Bd3 17. Re1 $14) 17. b5 Nd8
18. Qa1 (18. Qa4 Re5 $14) 18... Qxa1 $11 19. Rfxa1 g5 20. h3 (20. b6 c6 $11)
20... Rc8 (20... Bd3 21. Rc1 $11) 21. Rc1 b6 (21... Re5 22. Nb3 $14) 22. Bd5 (
22. Nb3 Be4 $14) 22... Kf6 23. g4 Be6 24. Ne4+ Kg6 25. Ng3 Bxd5 (25... Kh6 26.
Rd2 $16) 26. cxd5 $16 Nb7 27. e4 Nc5 28. f3 Kf6 (28... Nd3 29. Rc6 $16) 29. Rh2
Nd3 (29... Nb3 30. Rc3 a4 31. Nf5 $18) 30. Rc6 (30. Rc3 Nf4 $18) 30... Ne5 31.
Rc3 Ng6 32. Rhc2 Re7 33. Nh5+ (33. Nf5 Rd7 $18) 33... Ke5 34. Rc6 Nf4 (34...
Kd4 35. Ng3 Nh4 36. Kf2 $18) 35. Nxf4 gxf4 (35... Kxf4 36. Kf2 $18) 36. Rxb6 $1
f5 (36... cxb6 {Exploits the pin} 37. Rxc8) 37. exf5 cxb6 {
The mate threat is Rxc2} 38. Rxc8 Kxd5 39. Kf2 h6 (39... Rb7 40. g5 $18) 40. h4
(40. h4 Rf7 41. a4 $18) 1-0

[Event "corr 3GMM-F"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Pommerel, Wim"]
[Result "0-1"]
[WhiteElo "2195"]
[BlackElo "2405"]
[PlyCount "124"]
[EventDate "2001.??.??"]

1. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. c4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O e4 8. Nd4 c5
9. bxc5 dxc5 10. Nb3 Qc7 (10... Qd6 11. d4 exd3 12. Qxd3 (12. Bxd3 $4 Ng4 13.
g3 Bxb2 $19) 12... Qxd3 13. Bxd3 $11) 11. Nc3 Bf5 (11... Be6 12. f3 exf3 13.
Rxf3 $11) 12. f3 Nbd7 (12... exf3 13. Bxf3 Rd8 14. d4 cxd4 15. Nxd4 $14) 13.
fxe4 $14 Bxe4 14. d3 (14. Nxe4 Nxe4 15. Bxg7 Kxg7 $14) 14... Bc6 $11 15. d4 Ne4
16. Qd3 f5 17. d5 Ne5 18. Qc2 Nxc3 19. Bxc3 (19. Qxc3 $2 Nf3+ 20. Rxf3 Bxc3 21.
Bxc3 Ba4 $19) 19... Bd7 20. Rad1 Qd6 21. Nd2 Rae8 22. e4 (22. Qb3 b6 $11) 22...
Rf7 (22... b6 23. a3 $11) 23. Qb3 (23. Rfe1 Ref8 $11) 23... b6 24. Bb2 (24. Qa3
Bc8 $11) 24... Rfe7 25. Rf2 (25. Qa3 Bc8 $11) 25... Nf7 (25... Bh6 26. Qc3 $11)
26. Bxg7 Kxg7 27. Qa3 (27. Qe3 Qe5 $11) 27... fxe4 (27... Ng5 28. e5 Rxe5 29.
Bf1 $15) 28. Qc3+ (28. Qxa7 $2 e3 29. Rxf7+ Kxf7 $19) 28... Kg8 29. Qe3 Qe5 30.
Nf1 Nd6 31. Ng3 Bf5 (31... Qb2 32. Rff1 $17) 32. a4 Rf7 (32... Rf8 33. a5 $15)
33. a5 $11 Ref8 34. axb6 axb6 35. Qb3 Rb8 36. Nf1 (36. Rdf1 Rf6 $15) 36... b5 (
36... Bd7 37. Rxf7 Kxf7 38. Qe3 $15) 37. cxb5 $11 c4 38. Qe3 (38. Bxc4 $5 Bg4
39. Rdd2 Nxc4 40. Qxc4 $15) 38... Rxb5 $17 39. g4 Bd7 40. Rxf7 Kxf7 (40... Nxf7
41. Bxc4 Bxg4 42. Bxb5 Bxd1 43. Nd2 $17) 41. Nd2 (41. Qh6 Kg8 (41... Rxd5 $143
42. Qxh7+ Kf6 43. Rxd5 (43. Qxd7 Rxd1 44. Qd8+ Ke6 45. Bxc4+ Nxc4 46. Qxd1 g5
$17) 43... Qxd5 44. Qxd7 $16) 42. Ne3 Rc5 $17) 41... Rxd5 42. Bxc4 Nxc4 43.
Rf1+ Kg7 44. Nxc4 Qd4 45. Qxd4+ Rxd4 46. Ne3 Rd3 (46... g5 47. h3 $17) 47. Kf2
$17 Kf6 48. h4 Ke5 49. Re1 h6 50. Re2 (50. h5 gxh5 51. gxh5 Rd2+ 52. Kg3 Kd4
$19) 50... Be6 (50... g5 51. hxg5 hxg5 52. Kg3 $19) 51. Re1 (51. g5 hxg5 52.
hxg5 Rd7 $19) 51... Rd2+ 52. Kg3 Kd4 53. g5 hxg5 54. hxg5 Ra2 55. Ng2 (55. Nf1
Ra3+ 56. Kf2 Rf3+ 57. Kg1 Kd3 $19) 55... Ra3+ 56. Kf2 Rf3+ 57. Kg1 Rg3 58. Rd1+
Ke5 59. Ra1 (59. Kf2 Rxg5 60. Ra1 Rh5 $19) 59... Rxg5 60. Ra5+ Kf6 61. Rxg5
Kxg5 62. Kf2 Kg4 (62... Kg4 63. Ke3 Bc8 $19) (62... Kf5 63. Ke3 g5 64. Ne1 $19)
0-1

[Event "NBC Email"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Pommerel, Wim"]
[Black "Dopper, Johan"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2175"]
[PlyCount "71"]
[EventDate "2000.??.??"]

1. b4 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 g6 5. c4 Bg7 6. Nf3 O-O 7. d3 a6 8. O-O Nc6
9. Qb3 Re8 (9... Bg4 10. h3 Be6 11. d4 exd4 12. Nxd4 (12. Bxd4 $143 b5 $17)
12... Nxd4 13. Bxd4 $11) 10. Nbd2 Bf5 (10... Bg4 11. a4 $11) 11. a4 Qd7 12. b5
Nd8 13. Ng5 h6 14. Nge4 Nxe4 15. Nxe4 Ne6 16. Qd1 (16. Qb4 Bg4 17. f3 Bf5 $11)
16... axb5 (16... Bxe4 17. Bxe4 axb5 18. axb5 Rxa1 19. Qxa1 $11) 17. axb5 Rxa1
(17... c6 18. Qb3 $11) 18. Qxa1 (18. Bxa1 Bxe4 19. Bxe4 c6 $11) 18... c6 19.
bxc6 (19. Qa5 d5 20. Nd2 Nd4 21. Bxd4 exd4 22. cxd5 cxd5 $11 (22... Rxe2 $143
23. dxc6 bxc6 24. bxc6 $16) (22... cxb5 $6 23. Ne4 $11)) 19... bxc6 20. Qa4 Rc8
(20... Qc7 21. Re1 $11) 21. Qb4 (21. Ba3 Bxe4 22. dxe4 Qd8 $11) 21... Rd8 22.
Nc3 (22. Rb1 d5 23. Nd2 Qc7 $11) 22... Nd4 $15 23. Rb1 d5 24. cxd5 cxd5 25. Qb6
e4 26. h3 (26. dxe4 dxe4 27. Rd1 Qe8 $17) 26... Qe8 27. dxe4 Rb8 (27... dxe4
$143 28. Nxe4 Nxe2+ 29. Kh2 Bxe4 30. Bxe4 $11) 28. Qa6 Bxe4 (28... dxe4 29. g4
Bc8 30. Qa7 $17) 29. Nxe4 dxe4 30. Rc1 Ra8 (30... Rxb2 $143 31. Rc8 Nxe2+ 32.
Kf1 Qxc8 33. Qxc8+ Kh7 34. Bxe4 $16) 31. Qc4 Ra4 32. Qc8 {
The mate threat is Qxe8} Nxe2+ (32... Qxc8 33. Rxc8+ Kh7 34. Bxd4 Rxd4 35. Re8
$15) 33. Kf1 $11 Ra8 34. Qxe8+ Rxe8 35. Rc2 Bxb2 (35... Nd4 36. Bxd4 Bxd4 37.
Rc4 $11) 36. Rxb2 (36. Rxe2 $142 $5 Bd4 37. Rxe4 Rxe4 38. Bxe4 $11) 1/2-1/2

[Event "Theme corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Veer, WN."]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "48"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d4 O-O 7. h3 $146 (7. dxe5
Ng4 (7... Nfd7 8. Qb3 dxe5 9. Nc3 a5 10. a3 axb4 11. axb4 Rxa1+ 12. Bxa1 e4 13.
Nd2 Nf6 14. Be2 Na6 15. O-O Nxb4 16. Ncxe4 Nxe4 17. Nxe4 {
genseric (1980)-magio (2025)/internet 2007}) 8. Nc3 (8. c5 Nxe5 9. Nxe5 Bxe5
10. Bxe5 dxe5 11. Nc3 Be6 12. Qf3 c6 13. Be2 a5 14. b5 Qe7 15. O-O Qxc5 16.
Rac1 Qa3 17. Rc2 Rd8 18. Qg3 Nd7 19. Rfc1 Qe7 20. bxc6 bxc6 21. Bf3 Nc5 22.
Bxc6 Rac8 {Klausner,H-Johannes,J/corr ICCF TT-04-0045 A 2004/0-1}) 8... Nxe5 9.
Nxe5 (9. Be2 Be6 10. Nxe5 dxe5 11. Qc2 f5 12. O-O c6 13. Rad1 Qe7 14. a3 Nd7
15. c5 Nf6 16. f3 Rfd8 17. e4 Bh6 18. Bc1 Bxc1 19. Qxc1 f4 {
1/2-1/2 Schuehler,E-Ruesch/corr DDR 1967}) 9... Bxe5 (9... dxe5 10. Qxd8 Rxd8
11. Nd5 Rd7 12. Rd1 Kf8 13. Bd3 c6 14. Nc3 Rd8 15. h4 Be6 16. h5 Nd7 17. b5 f5
18. e4 Kf7 19. Ba3 Nb6 20. c5 Bc4 21. Bc2 Rxd1+ 22. Kxd1 Rd8+ 23. Ke1 Nc8 24.
exf5 {pcmvr (2715)-emanuelle (2420)/net-chess.com 2006/1-0 (31)}) 10. f4 Bg7
11. Be2 a5 12. a3 Re8 13. O-O Rxe3 14. Qd2 Re8 15. Nd5 Bxb2 16. Qxb2 Nd7 17.
Bg4 f5 18. Bf3 Re6 19. Rfe1 Nf8 20. b5 c6 21. Nc3 Bd7 {
Quadri,S (2045)-Marcotulli,G (1880)/IECG 2001/1-0 (42)}) 7... exd4 8. Nxd4 c5
9. Nb5 cxb4 10. Qxd6 Nc6 11. Nd2 Be6 12. Be2 Ne4 13. Qxd8 Rfxd8 (13... Raxd8
14. Bxg7 (14. Nxe4 $6 Bxb2 15. Rb1 Be5 $15) 14... Rxd2 15. Bxf8 Kxf8 16. Nc7
$16) 14. Bxg7 (14. Nxe4 $142 $5 Bxb2 15. Rb1 $15) 14... Rxd2 $17 (14... Nxd2
$143 15. Bf6 Rd7 16. Rd1 $14) 15. Nc7 Rxe2+ $1 16. Kxe2 Bxc4+ 17. Kf3 Nd2+ 18.
Kf4 Rc8 19. Bf6 Rxc7 20. Rhd1 Rd7 21. Rac1 (21. h4 Rd6 22. Bb2 h6 $19) 21...
Rd6 (21... Bxa2 $6 22. Rc2 Rd6 23. Bh4 $17) 22. Ba1 Bxa2 23. Rc2 g5+ $1 24. Kg4
(24. Kxg5 Ne4+ {Double attack} (24... Rd5+ {Decoy})) 24... f5+ $1 (24... f5+
25. Kxg5 Ne4+ 26. Kxf5 Rxd1 27. Rxa2 b3 $19) 0-1

[Event "Grund Malyszko Memorial-3 prel-07"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Petersen"]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "70"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 O-O 7. d4 Nbd7 8. Nc3
exd4 (8... Re8 9. Qb3 e4 10. Nd2 h5 11. a4 Nf8 12. h3 h4 13. b5 Bf5 14. a5 a6
15. bxa6 bxa6 16. Qc2 Ne6 17. Nb3 Nd7 18. Bg4 Bxg4 19. hxg4 Ng5 20. Kf1 Rb8 21.
Rd1 Qc8 22. Ba3 Nf6 23. Rxh4 {
Kushch,N (2375)-Arzumanian,G (2360)/Marganets it UKR 1999/1-0 (45)}) (8... e4
9. Nd2 Re8 10. Qc2 Qe7 11. O-O Nf8 12. a4 h5 13. h3 Bf5 14. Rac1 Ne6 15. d5 Ng5
16. Nb5 Nxh3+ 17. gxh3 Bxh3 18. Rfd1 Ng4 19. Bxg4 Qg5 20. Nxe4 Bxg4 21. Nxg5 {
1-0 pumpkin (2280)-sbibby (2000)/net-chess.com 2008}) 9. Nxd4 c5 10. Nc2 $146 (
10. bxc5 dxc5 11. Nb3 (11. Ndb5 Nb6 12. Qb3 Ng4 13. h3 Ne5 14. O-O Be6 15. Rad1
Qh4 16. Nc7 Nexc4 17. Nxe6 Nxb2 18. Nxf8 {1/2-1/2 Dreev,A-Shirov,A/zt Lvov 1990
}) 11... Ne4 12. Qc2 Nxc3 13. Bxc3 Bxc3+ 14. Qxc3 Qe7 15. O-O Ne5 16. Rad1 b6
17. f4 Bg4 18. Rd5 Bxe2 19. Rxe5 Qd7 20. Rd5 Qa4 21. Rc1 Bg4 22. Nd2 Rfe8 23.
Re1 Bf5 24. e4 Be6 {Schmidt,W-Ostojic,P/Rubinstein Memorial 1970/1/2-1/2 (38)})
10... Nb6 11. bxc5 dxc5 12. Na3 Ne4 13. Qxd8 (13. Nxe4 Qxd1+ {Double attack} (
13... Bxb2 {Pinning}) (13... Bxb2 {Deflection}) (13... Bxb2 {Clearance})) 13...
Rxd8 14. Rc1 (14. Nxe4 $143 Bxb2 15. Nc2 Bf5 $19 (15... Bxa1 $6 16. Nxa1 Nd7
17. Nc3 $19)) 14... Be6 {Exerts pressure on the isolated pawn} 15. f3 Rd2 16.
fxe4 $2 (16. Nxe4 Rxe2+ $1 17. Kxe2 Bxb2 18. Nb1 Bxc1 19. Rxc1 Bxc4+ 20. Kf2
Bxa2 21. Nbc3 $15) 16... Rxb2 $19 17. Nd5 Be5 (17... Rxa2 18. Nb5 $19) 18. Bf3
$2 (18. Rc2 $142 $17) 18... Rxa2 $19 19. Nb1 Rd8 20. O-O Kg7 21. Nbc3 Ra3 22.
Nb5 Ra4 23. Be2 Ra2 24. Rfe1 h6 25. Bf1 Nc8 26. Nf4 Rad2 27. Nc3 Nd6 28. Nxe6+
fxe6 29. Nb1 Rb2 30. Rcd1 Bf6 31. Bd3 Nf7 32. Bf1 Rxd1 33. Rxd1 Bg5 34. Re1 a6
35. Nc3 Rb3 (35... Rb3 36. Na4 Be7 $19) 0-1

[Event "Grund Malyszko Memorial-3 prel-07"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Troc"]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "80"]
[EventDate "1997.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O e4 8. Ne1 (
8. Nd4 Bd7 9. b5 a6 10. a4 axb5 11. axb5 Rxa1 12. Bxa1 c5 13. Nb3 b6 14. d4 Ne8
15. N1d2 Qh4 16. g3 Qe7 17. Qc2 Bh3 18. Rd1 f5 19. Bb2 Nd7 20. Ra1 Qg5 21. Bf1
Bxf1 22. Kxf1 Qg4 {marvis (1660)-pumekss/playok.com 2012/1-0 (42)}) 8... Nc6 9.
b5 $146 (9. a3 a5 10. b5 Ne5 11. f3 (11. f4 Ned7 12. Nc3 Nc5 13. g4 b6 14. Rb1
Bb7 15. Nc2 d5 16. Ba1 dxc4 17. Bxc4 Ne8 18. Qe2 Nd6 19. Ba2 Nd3 20. a4 g5 21.
f5 Ne8 22. Qg2 Nf6 23. Ne2 Qe7 24. h3 Rad8 25. Ned4 Ne5 {
Conquest,S (2520)-Moskalenko,V (2525)/Arkadia op Greece 1995/1-0 (49)}) 11...
Be6 12. Qc2 exf3 13. gxf3 Re8 14. f4 Ned7 15. Ng2 Nc5 16. Nc3 c6 17. Rae1 Rc8
18. bxc6 bxc6 19. Na4 Bf5 20. d3 Nxa4 21. Qxa4 Nh5 22. Bxg7 Nxg7 23. Qc2 Qb6 {
Sydor,A-Vasiukov,E/Capablanca Memorial Elite 1975/1/2-1/2 (34)}) 9... Ne5 10.
Bxe5 dxe5 11. Nc3 b6 12. a4 Bb7 13. a5 bxa5 14. Rxa5 c6 15. Ra2 cxb5 16. Nxb5
a6 17. Nc3 Qc7 18. Nc2 Rad8 19. Qc1 Rd7 20. Rd1 Rfd8 21. Nb4 {
Attacks the isolani on a6} a5 22. Nc2 Ba6 23. Na3 Bf8 24. Ncb5 Qb8 25. Qb2 Bb4
{Exerts pressure on the backward pawn} 26. Nb1 Rc8 27. N1c3 Kg7 28. Ra4 Rcd8
29. g3 Qc8 30. Kg2 $2 (30. Nxe4 Nxe4 31. Qxe5+ Nf6 32. d3 $17) 30... Bxb5 $19
31. Rxb4 axb4 32. Nxb5 Qc5 33. Bf1 Ne8 34. f3 exf3+ 35. Kxf3 Nd6 36. d4 Nxc4
37. dxc5 Nxb2 38. Rb1 $2 (38. Rxd7 Rxd7 39. c6 $19) 38... Rd1 39. Rxb2 Rxf1+
40. Ke2 Rc1 (40... Rc1 41. Rxb4 Rb8 $19) 0-1

[Event "corr"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Van der Veken, Richard"]
[Result "0-1"]
[PlyCount "84"]
[EventDate "1995.??.??"]

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 c6 5. c4 Be7 6. Nf3 O-O 7. Be2 dxc4 (7... h6
8. O-O Nh7 9. d3 Bd7 10. a4 f5 11. Nd4 Bf6 12. c5 Bxd4 13. Bxd4 Be8 14. Nc3 Nd7
15. bxc6 bxc6 16. e4 Bg6 17. f4 dxe4 18. dxe4 fxe4 19. Qc2 Nhf6 20. Bc4 Nd5 21.
Nxe4 Nxf4 22. Bd3 {avinoam-henrichas/playok.com 2012/0-1 (66)}) 8. Bxc4 cxb5 9.
Bxb5 Nc6 $146 (9... Bd7 10. Bxd7 Nbxd7 11. O-O Qb6 12. Bd4 Qd6 13. Nc3 e5 14.
Nb5 Qc6 15. Nxe5 Qxb5 16. Nxd7 Qxd7 17. Rb1 b5 18. Qe2 a6 19. Rfd1 Rac8 20. g3
Rc2 21. Qe1 Ne4 22. Bc3 Ng5 23. Qe2 Qd5 24. Rb2 {
Hasler,U (1710)-Rosner,D (2175)/CiF 2006/0-1}) (9... a6 10. Be2 b5 11. O-O Nbd7
12. Nc3 Bb7 13. d4 Rc8 14. Rc1 Nb6 15. Ne5 (15. a4 b4 16. Na2 a5 17. Rxc8 Qxc8
18. Bb5 Bc6 19. Qe2 Nxa4 20. Ba1 Qd7 21. Bxc6 Qxc6 22. Ne5 Qd5 23. Nc1 Rd8 24.
Qc4 Nc3 25. Bxc3 Qxc4 26. Nxc4 bxc3 27. Nxa5 Ra8 28. Nc6 Ba3 29. Nd3 c2 {
vhilts (2260)-rhand (2255)/net-chess.com 2010/0-1 (33)}) 15... h6 16. Bf3 Bxf3
17. Qxf3 Nc4 18. Nxc4 Rxc4 19. Ne4 Qc7 20. Rxc4 Qxc4 21. Rc1 Qxa2 22. Nxf6+
Bxf6 23. Qe2 Rd8 24. g3 {vhilts (2325)-rhand (2290)/net-chess.com 2010/0-1 (38)
}) (9... Qb6 10. Qb3 Bd7 11. Nc3 a6 12. Bc4 Qxb3 13. Bxb3 Rd8 14. O-O Bc6 15.
d4 Bxf3 16. gxf3 Nc6 17. Rac1 Rac8 18. a3 Na5 19. Ba2 Nc4 20. Bxc4 Rxc4 21. Ne4
Rdc8 22. Rfd1 Rxc1 23. Rxc1 Rxc1+ 24. Bxc1 {
Schmitt,M-Erwee,Y/Duisburg 1992/1/2-1/2}) 10. Nc3 a6 11. Be2 e5 12. O-O e4 13.
Ng5 Bf5 14. g4 Bg6 15. Nh3 Bd6 16. f4 exf3 17. Bxf3 (17. Bxf3 Bd3 {Combination}
) (17. Rxf3 Ne5 {Double attack} (17... Ne5 {Decoy}) (17... Nxg4 {Interception})
) 17... Bd3 18. Rf2 Ne5 19. Nf4 Nxf3+ 20. Qxf3 Bc4 21. g5 Nd7 22. Ncd5 Ne5 (
22... Qxg5+ $143 23. Rg2 Bxd5 24. Nxd5 $18 (24. Rxg5 Bxf3 25. Rxg7+ Kh8 26.
Rg3+ Be5 27. Bxe5+ Nxe5 $17)) 23. Bxe5 Bxe5 24. d4 Bxf4 (24... Qxg5+ $2 25. Rg2
Bxf4 26. Rxg5 Bxg5 27. Nb6 $18) 25. Nxf4 Qxg5+ 26. Rg2 Qh6 (26... Qf5 $142 $5
$15) 27. Nh5 $14 g6 28. Nf6+ Kh8 29. Rc1 b5 30. Nd7 Rfe8 {
The backward pawn on e3 becomes a target} 31. Re1 Rad8 32. Nf6 Re6 33. Ng4 Qg7
34. Ne5 Rf6 35. Qg3 Re6 36. Nf3 (36. Qf3 f5 37. Qf4 $17) 36... f5 37. Rf2 Rde8
38. Nd2 $2 (38. Ne5 $142 $5 $17) 38... Bxa2 $19 39. Rfe2 Bd5 40. e4 (40. Qf4
$19) 40... Bc4 (40... Qxd4+ $142 $5 41. Rf2 $19) 41. Re3 $2 (41. Nxc4 $142
Qxd4+ 42. Ne3 Rxe4 43. Qf2 $19) 41... Qa7 42. d5 (42. Nf3 Rxe4 43. Rxe4 fxe4
$19 (43... Rxe4 $143 44. Rxe4 fxe4 45. Qe5+ Kg8 46. Ng5 $19)) 42... Bxd5 $1 0-1

[Event "NED-ch H416 corr"]
[Site "?"]
[Date "1989.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Gilles, Rob"]
[Result "0-1"]
[PlyCount "46"]
[EventDate "1989.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. b5 c5 5. Nf3 Bd6 6. c4 Nbd7 7. Nc3 O-O 8. Qb3
Nb6 9. Be2 $146 (9. a4 a5 10. bxa6 bxa6 11. a5 (11. cxd5 Nbxd5 12. Bc4 Rb8 13.
Qc2 Nb4 14. Qd1 Ng4 15. Ne4 Bb7 16. d3 Bxe4 17. dxe4 Nd3+ 18. Qxd3 Rxb2 19. O-O
Qc7 20. h3 Bh2+ 21. Kh1 Rd8 22. Qxd8+ Qxd8 23. hxg4 Bc7 24. Bxa6 Qa8 25. Bd3 h6
{Machete (2330)-TombRaider (2510)/ICC 2003/0-1 (60)}) 11... Nxc4 12. Bxc4 Rb8
13. Qc2 dxc4 14. Na4 Qxa5 15. Ng5 e5 16. f4 Re8 17. O-O h6 18. Nc3 Qd8 19. fxe5
Bxe5 20. Nf3 Bb7 21. Na4 Be4 22. Qc1 Bxb2 23. Nxb2 Re6 {
Sokolski,A-Morozov,I/corr 1969/0-1 (38)}) (9. d3 Bd7 10. a4 a5 11. Be2 Qc7 12.
h3 h6 13. O-O-O dxc4 14. dxc4 Rad8 15. g4 Nh7 16. Ne4 Be8 17. Rxd6 Rxd6 18. Ne5
Nc8 19. Nxd6 {1-0 Kuhlmann-Burbach}) 9... Qc7 10. Na4 Nxa4 11. Qxa4 Bd7 12.
Bxf6 gxf6 13. Qc2 Kh8 14. O-O Rg8 15. g3 Rg7 16. cxd5 exd5 17. a4 Bh3 18. Rfc1
Bxg3 19. fxg3 (19. hxg3 Rxg3+ 20. Kh1 Bg2+ 21. Kg1 Rag8 $19) 19... Rxg3+ 20.
Kf2 Rxf3+ 21. Kxf3 (21. Bxf3 $4 Qxh2+ 22. Ke1 Rg8 23. Qxh7+ Kxh7 $19) 21...
Qxh2 22. Rg1 h5 23. Rg3 (23. Bd3 Bg4+ 24. Rxg4 hxg4+ 25. Kxg4 Rg8+ 26. Bg6
Rxg6+ 27. Qxg6 Qg2+ 28. Kf4 fxg6 29. Rc1 $19) 23... Bg4+ (23... Bg4+ 24. Rxg4
hxg4+ 25. Kxg4 Rg8+ 26. Qg6 Rxg6+ 27. Kf5 Qe5#) 0-1

[Event "TT corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Labahn, Wolfgang"]
[Black "Dopper, Johan C"]
[Result "1/2-1/2"]
[PlyCount "67"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d4 O-O 7. Be2 Nbd7 8. O-O
exd4 9. Nxd4 (9. exd4 b6 10. Nbd2 Bb7 11. Qb3 a5 12. a3 c5 13. d5 cxb4 14. axb4
axb4 15. Qxb4 Qc7 16. Nd4 Nxd5 17. cxd5 Bxd5 18. Nb5 Qc5 19. Qxc5 dxc5 20. Bxg7
Kxg7 21. Rxa8 Rxa8 22. Nc7 Ra2 23. Bb5 Rxd2 {
elsh1403-cibrian/kurnik 2011/1-0 (49)}) 9... c5 10. Nb5 cxb4 11. Qxd6 $146 (11.
Nxd6 Nc5 12. a3 bxa3 13. Bxa3 Nfd7 14. Ra2 Qc7 15. Rd2 a6 16. Bg4 Nb6 17. Nxc8
Nxc8 18. Rd5 b6 19. Bxc5 bxc5 20. Bxc8 Rfxc8 21. Qf3 a5 22. Rfd1 Rd8 23. Na3 a4
24. Rd7 Rxd7 25. Qxa8+ Bf8 {
Kaenel,H (2415)-Gruenenwald,J (2345)/SUI-ch Graechen 1999/1/2-1/2 (55)}) (11.
a3 bxa3 12. Rxa3 Nc5 13. Nxa7 Be6 14. Nb5 Ra6 15. Nd2 Qb6 16. Nb3 Rd8 17. N3d4
d5 18. Qc2 dxc4 19. Nxe6 Nxe6 20. Bxc4 Rxa3 21. Nxa3 Ng4 22. Bxg7 Qd6 23. g3
Nxg7 24. Nb5 Qe5 25. Rd1 Rxd1+ {
Bezold,M (2475)-Gabriel,C (2545)/Altensteig 1994/1/2-1/2 (33)}) 11... a6 12.
Nd4 Qb6 13. Qxb6 Nxb6 14. a3 Na4 15. Bc1 bxa3 16. Bxa3 Re8 17. Bf3 Ne4 18. Rd1
f5 19. Bxe4 Rxe4 20. Nd2 Re8 21. N2b3 Be6 22. Rac1 Bf7 23. Na5 b6 24. Nb7 Be5
25. Nc6 Bb2 26. Bxb2 Nxb2 {Attacks the isolani on c4} 27. Rd7 Be6 28. Rd4 a5
29. c5 (29. Nd6 $142 $5 Rf8 30. Ne7+ Kg7 31. Nd5 Bxd5 32. cxd5 $14) 29... bxc5
$15 30. Nxc5 a4 31. Nxe6 Rxe6 32. Rd7 a3 33. Nb4 Rb6 (33... Rf6 $142 $5 $15)
34. Rcc7 1/2-1/2

[Event "Grund Malyszko Memorial-3 prel-31"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Krasny, Henryk Jan"]
[Black "Dopper, Johan C"]
[Result "1/2-1/2"]
[PlyCount "66"]
[EventDate "1996.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. d4 O-O 7. Be2 Nbd7 8. O-O
exd4 9. exd4 (9. Nxd4 c5 10. Nb5 cxb4 11. a3 bxa3 12. Rxa3 Nc5 13. Nxa7 Be6 14.
Nb5 Ra6 15. Nd2 Qb6 16. Nb3 Rd8 17. N3d4 d5 18. Qc2 dxc4 19. Nxe6 Nxe6 20. Bxc4
Rxa3 21. Nxa3 Ng4 22. Bxg7 Qd6 23. g3 Nxg7 {
Bezold,M (2475)-Gabriel,C (2545)/Altensteig 1994/1/2-1/2 (33)}) 9... Re8 $146 (
9... d5 10. Nc3 (10. c5 Ne4 11. Qb3 c6 12. Rd1 Re8 13. Bf1 Ndf6 14. Ne5 Nh5 15.
Nd2 Nxd2 16. Rxd2 f6 17. Nd3 Bf5 18. b5 Bxd3 19. Rxd3 Nf4 20. Re3 Qd7 21. Rae1
Ne6 22. bxc6 bxc6 23. Ba6 Reb8 24. Qc2 Re8 {
Schlindwein,R (2400)-Wagner,A (2410)/BL2-Sued 2005/1/2-1/2}) 10... dxc4 11.
Bxc4 Nb6 12. Bb3 Nfd5 13. Nxd5 Nxd5 14. Qd2 c6 15. Rac1 Qd6 16. b5 cxb5 17. Rc5
Nf6 18. Ne5 Nd7 19. Rd5 Qe7 20. Re1 Nxe5 21. Rdxe5 Bxe5 22. Rxe5 Be6 23. d5
Rad8 24. Qe2 {Koester,R (2120)-Bahlke,W (2085)/Hessenliga 2006/1-0 (32)}) (9...
b6 10. Nbd2 Bb7 11. Qb3 a5 12. a3 c5 13. d5 cxb4 14. axb4 axb4 15. Qxb4 Qc7 16.
Nd4 Nxd5 17. cxd5 Bxd5 18. Nb5 Qc5 19. Qxc5 dxc5 20. Bxg7 Kxg7 21. Rxa8 Rxa8
22. Nc7 Ra2 23. Bb5 Rxd2 24. Bxd7 {elsh1403-cibrian/kurnik 2011/1-0 (49)}) 10.
Nc3 Nb6 11. Qb3 a5 12. bxa5 Rxa5 13. Rfe1 Bf5 14. Rad1 Ra8 15. c5 Be6 16. Qb5
Nbd5 17. Nxd5 (17. Qxb7 $2 Rb8 18. Qa7 Rxb2 $19) 17... Bxd5 18. a3 Bc6 19. Qc4
Ne4 20. cxd6 Nxd6 21. Qb4 Bd5 22. Rc1 c6 23. Ne5 Bf8 24. Qd2 Ne4 {
The isolani on a3 becomes a target} 25. Qf4 Bxa3 26. Bxa3 Rxa3 27. Bf3 f5 28.
Bxe4 fxe4 29. Ra1 Rxa1 30. Rxa1 Qb6 31. Ng4 Qxd4 32. Qf6 Qd2 33. h3 Bc4 1/2-1/2

[Event "tt corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Hasler, Ulrich"]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "80"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. d4 O-O 7. Be2 Nbd7 8. O-O
exd4 9. Nxd4 (9. exd4 b6 10. Nbd2 Bb7 11. Qb3 a5 12. a3 c5 13. d5 cxb4 14. axb4
axb4 15. Qxb4 Qc7 16. Nd4 Nxd5 17. cxd5 Bxd5 18. Nb5 Qc5 19. Qxc5 dxc5 20. Bxg7
Kxg7 21. Rxa8 Rxa8 22. Nc7 Ra2 23. Bb5 Rxd2 {
elsh1403-cibrian/kurnik 2011/1-0 (49)}) 9... c5 10. bxc5 $146 (10. Nb5 cxb4 11.
Nxd6 (11. a3 bxa3 12. Rxa3 Nc5 13. Nxa7 Be6 14. Nb5 Ra6 15. Nd2 Qb6 16. Nb3 Rd8
17. N3d4 d5 18. Qc2 dxc4 19. Nxe6 Nxe6 20. Bxc4 Rxa3 21. Nxa3 Ng4 22. Bxg7 Qd6
23. g3 Nxg7 24. Nb5 Qe5 25. Rd1 Rxd1+ {
Bezold,M (2475)-Gabriel,C (2545)/Altensteig 1994/1/2-1/2 (33)}) 11... Nc5 12.
a3 bxa3 13. Bxa3 Nfd7 14. Ra2 Qc7 15. Rd2 a6 16. Bg4 Nb6 17. Nxc8 Nxc8 18. Rd5
b6 19. Bxc5 bxc5 20. Bxc8 Rfxc8 21. Qf3 a5 22. Rfd1 Rd8 23. Na3 a4 24. Rd7 Rxd7
{Kaenel,H (2415)-Gruenenwald,J (2345)/SUI-ch Graechen 1999/1/2-1/2 (55)}) 10...
dxc5 11. Nb3 b6 12. N1d2 Qc7 13. Bf3 Rb8 14. Ne4 Nxe4 15. Bxg7 Nxf2 (15... Kxg7
$143 16. Bxe4 Re8 17. Bd5 $11) 16. Rxf2 Kxg7 17. Qe2 f5 18. g3 Ba6 19. Nd2 Rbe8
20. Nf1 Nf6 21. Re1 Qe5 22. Qc2 Ne4 23. Bxe4 Qxe4 24. Qc3+ Kg8 25. Nd2 Qc6 26.
h4 Bb7 27. Kh2 f4 $1 28. e4 (28. exf4 Rxe1 {Pinning} (28... Rxe1 {Deflection}))
(28. Rxf4 Qg2# {Mate attack}) (28. gxf4 Qf6 {Double attack} (28... Qf6 {Decoy})
) 28... fxg3+ 29. Qxg3 Rxf2+ 30. Qxf2 Qd6+ 31. Kg1 Rf8 32. Qg2 $6 (32. Qe3 Rf4
33. Re2 $19) 32... Qd4+ 33. Kh1 Rf4 34. Qh2 Rxe4 35. Nxe4 Bxe4+ 36. Rxe4 Qxe4+
37. Kg1 (37. Qg2 Qxh4+ 38. Kg1 Qe1+ 39. Kh2 $19) 37... Qb1+ 38. Kg2 Qxa2+ 39.
Kg3 Qxh2+ 40. Kxh2 a5 0-1

[Event "corr"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Grehl, Siegfried"]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "70"]
[EventDate "1993.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. d4 O-O 7. Be2 Nbd7 8. O-O
exd4 9. Bxd4 $146 (9. exd4 d5 (9... b6 10. Nbd2 Bb7 11. Qb3 a5 12. a3 c5 13. d5
cxb4 14. axb4 axb4 15. Qxb4 Qc7 16. Nd4 Nxd5 17. cxd5 Bxd5 18. Nb5 Qc5 19. Qxc5
dxc5 20. Bxg7 Kxg7 21. Rxa8 Rxa8 22. Nc7 Ra2 23. Bb5 Rxd2 24. Bxd7 {
elsh1403-cibrian/kurnik 2011/1-0 (49)}) 10. Nc3 dxc4 11. Bxc4 Nb6 12. Bb3 Nfd5
13. Nxd5 Nxd5 14. Qd2 c6 15. Rac1 Qd6 16. b5 cxb5 17. Rc5 Nf6 18. Ne5 Nd7 19.
Rd5 Qe7 20. Re1 Nxe5 21. Rdxe5 Bxe5 22. Rxe5 Be6 23. d5 Rad8 {
Koester,R (2120)-Bahlke,W (2085)/Hessenliga 2006/1-0 (32)}) (9. Nxd4 c5 10. Nb5
cxb4 11. a3 (11. Nxd6 Nc5 12. a3 bxa3 13. Bxa3 Nfd7 14. Ra2 Qc7 15. Rd2 a6 16.
Bg4 Nb6 17. Nxc8 Nxc8 18. Rd5 b6 19. Bxc5 bxc5 20. Bxc8 Rfxc8 21. Qf3 a5 22.
Rfd1 Rd8 23. Na3 a4 24. Rd7 Rxd7 25. Qxa8+ Bf8 {
Kaenel,H (2415)-Gruenenwald,J (2345)/SUI-ch Graechen 1999/1/2-1/2 (55)}) 11...
bxa3 12. Rxa3 Nc5 13. Nxa7 Be6 14. Nb5 Ra6 15. Nd2 Qb6 16. Nb3 Rd8 17. N3d4 d5
18. Qc2 dxc4 19. Nxe6 Nxe6 20. Bxc4 Rxa3 21. Nxa3 Ng4 22. Bxg7 Qd6 23. g3 Nxg7
{Bezold,M (2475)-Gabriel,C (2545)/Altensteig 1994/1/2-1/2 (33)}) 9... Re8 10.
Nbd2 c5 11. bxc5 dxc5 12. Bxf6 Nxf6 13. Rb1 b6 14. Nb3 Ne4 15. Qxd8 Rxd8 16.
Rbd1 Be6 17. Nfd2 Nc3 18. Bf3 Nxd1 19. Rxd1 Rac8 20. Rc1 Bh6 21. h3 f5 22. Kf1
Rc7 23. Ke2 Bg7 24. Rc2 Rcd7 25. Ke1 Rd3 26. Be2 Rc3 27. Kd1 a5 28. Rxc3 Bxc3
29. Kc2 Bf6 30. Nf3 Kf7 31. h4 Bc8 32. g3 h6 33. Nfd2 f4 $1 34. exf4 (34. exf4
Bf5+ {Pinning}) (34. gxf4 Bxh4 {Deflection}) 34... Bf5+ 35. Kd1 a4 (35... a4
36. Bf3 axb3 37. axb3 Bc3 38. Bd5+ Be6 $19) 0-1

[Event "SOK corr"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Bothe, Erhard"]
[Black "Dopper, Johan C"]
[Result "1-0"]
[PlyCount "55"]
[EventDate "1992.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O e4 8. Nd4 c5
9. Nc2 b6 $146 (9... Nc6 10. a3 Be6 11. d4 exd3 12. Bxd3 Ne5 13. Bxe5 dxe5 14.
e4 (14. Nc3 e4 15. Be2 Qc7 16. Nb5 Qe5 17. bxc5 Qxc5 18. Ncd4 Bd7 19. Nb3 Qg5
20. Re1 Rfd8 21. N3d4 Ng4 22. h3 Nxe3 {
0-1 Tirado Parra,A (1925)-Paunovic,D (2520)/Pamplona ESP, 6th San Juan Open2012
}) 14... b5 15. Qe2 cxb4 16. axb4 Nh5 17. g3 Bg4 18. f3 Bh3 19. Rd1 bxc4 20.
Bxc4 Qb6+ 21. Qf2 Rfd8 22. Nba3 Bf8 23. Rab1 Ng7 24. Bd5 {
Miltner,A (2330)-Pfrommer,C (2310)/BL2-S 1992/0-1 (43)}) (9... Qe7 10. b5 Nbd7
11. d4 exd3 12. Bxd3 Ne5 13. Be2 Be6 14. Nd2 d5 15. Na3 Rad8 16. Qc2 Bf5 17.
Qa4 Nd3 18. Bc3 d4 19. exd4 cxd4 20. Bxd3 dxc3 21. Bxf5 cxd2 22. Bc2 Ne4 23.
Bxe4 Qxe4 24. Rad1 {carocan (1735)-wkapica (1740)/kurnik 2011/0-1 (32)}) (9...
cxb4 10. Nxb4 Nc6 11. Nxc6 bxc6 12. f3 $11) 10. b5 (10. f3 Nc6 $14) 10... Bb7
11. Nc3 d5 12. Nxd5 Nxd5 13. Bxg7 Kxg7 14. cxd5 Qxd5 15. d4 exd3 16. Bf3 Qd7 (
16... dxc2 $143 17. Qxd5 (17. Bxd5 $4 cxd1=Q (17... cxd1=N $143 18. Bxb7 Nxe3
19. fxe3 $14) (17... cxd1=B $143 18. Bxb7 Be2 19. Rfe1 $14) 18. Raxd1 Bxd5 19.
Rxd5 a6 $19) 17... Bxd5 18. Bxd5 $16) 17. Bxb7 Qxb7 (17... dxc2 $4 18. Qf3 $18)
18. Qxd3 Nd7 19. Rfd1 Ne5 20. Qc3 f6 21. a4 Rad8 22. a5 Rfe8 23. a6 Qe4 24. h3
Qc4 25. Qxc4 Nxc4 26. Kf1 Kf7 27. Ke1 Rd3 $4 (27... Ke6 $142 $11) 28. Rxd3 $18
1-0

[Event "Malyszko mem3 Final"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Myrberg, Johnny"]
[Black "Dopper, Johan C"]
[Result "1/2-1/2"]
[PlyCount "89"]
[EventDate "2001.??.??"]

1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. Be2 Bg7 6. d3 O-O 7. Nf3 Nc6 8. b5 Ne7
9. Nbd2 (9. Nc3 Bg4 10. O-O h6 11. a4 Qd7 12. d4 exd4 13. Nxd4 Bxe2 14. Qxe2
Rfe8 15. Rfd1 Nf5 16. Nb3 Qe6 17. Na5 Rab8 18. Rac1 Ne4 19. Nd5 Bxb2 20. Qxb2
c6 21. Nb4 Nh4 22. f3 Nc5 23. e4 Nxa4 {
Khurtsidze,N-Hairapetian,A/Gaziantep TUR, European Women Ch 2012/1-0 (70)})
9... a6 $146 (9... Nd7 10. Qc2 (10. d4 f6 11. O-O b6 12. a4 Bb7 13. Nb3 e4 14.
Nfd2 f5 15. Qc2 Nf6 16. c5 Bd5 17. a5 Nc8 18. Rfc1 Ne8 19. Nb1 Qg5 20. Nc3 Bf7
21. Ba3 Nf6 22. Bb4 Nd5 23. Nxd5 Bxd5 24. axb6 cxb6 {
Muniz Pardino,A-Salvador Crespo,V/Lalin op 2000/1-0 (38)}) 10... f5 11. O-O (
11. Ng5 Nc5 12. d4 h6 13. dxc5 hxg5 14. Rd1 g4 15. cxd6 cxd6 16. Nb3 Be6 17.
Ba3 Nc8 18. Qd2 Rf7 19. Nc5 Qe8 20. Nxe6 Qxe6 21. c5 dxc5 22. Bxc5 Nb6 23. O-O
Rc7 24. Rc1 Rac8 25. Bxb6 Qxb6 {
Fochtler,E (2280)-Pieper,T (2225)/Oberliga Wuert 1993/1/2-1/2 (53)}) 11... h6
12. Nb3 Nf6 13. Nfd2 Kh7 14. Rfe1 Be6 15. a4 Rc8 16. Bf3 b6 17. a5 g5 18. axb6
axb6 19. Be2 Ng6 20. d4 {
1/2-1/2 Tu Hoang Thong (2510)-Nguyen Anh Dung (2555)/VIE-ch Can Tho 2001}) 10.
a4 b6 11. O-O Bb7 12. Qc2 Re8 13. d4 exd4 14. Nxd4 c5 15. N4f3 d5 16. Rfd1 axb5
17. axb5 Rxa1 18. Rxa1 Nf5 19. cxd5 Nxd5 20. Bxg7 Kxg7 21. Qb2+ (21. Ra7 $5 Qb8
22. Qb2+ f6 23. Ra4 $14) 21... Qf6 $11 22. Qxf6+ Nxf6 23. Nc4 Bxf3 24. Bxf3 Re6
25. Rd1 Ne4 26. Rc1 Nf6 27. Kf1 h5 28. h3 Ne7 29. Rd1 Nc8 30. Bb7 Na7 31. Ba6
Re4 32. Nxb6 Nxb5 33. Rb1 Na3 34. Rb3 Rb4 35. Rxb4 cxb4 36. Na4 Nd7 37. Ke2 Kf6
38. f4 Ke7 39. g4 Kd6 40. gxh5 gxh5 41. h4 Kc6 42. Kd2 Nb5 43. e4 Nc5 44. Nxc5
Kxc5 45. e5 1/2-1/2

[Event "Grund Malyszko Memorial"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Botcher, P."]
[Black "Dopper, Johan C"]
[Result "0-1"]
[PlyCount "20"]
[EventDate "1995.??.??"]

1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. b5 (6. Bc4 O-O 7. b5 c6 8.
O-O a6 9. a4 axb5 10. axb5 Rxa1 11. Qxa1 Bd7 12. Qa4 Qe8 13. Ba3 Nxe4 14. Nxe4
cxb5 15. Qa8 bxc4 16. Nxd6 Qe6 17. Ng5 Qg4 18. Nde4 {
gtate (2520)-realxadrez (2420)/net-chess.com 2007}) (6. Be2 O-O 7. h3 Be6 8.
O-O Nbd7 9. d4 exd4 10. Nxd4 Re8 11. a3 a6 12. Re1 d5 13. Nxe6 fxe6 14. Bf3 Nb6
15. exd5 exd5 16. Rxe8+ Nxe8 17. Na4 c6 18. Bxg7 Nxg7 19. Nc5 Qc7 20. a4 Nd7 {
Skrzypczak,M (1980)-Czerwinski,T/Wielkopolska Liga Seniorow 2011/1-0 (41)})
6... O-O 7. a4 $146 (7. Be2 a6 (7... Nbd7 8. O-O a6 9. a4 Nc5 10. d3 Qe7 11.
Nd2 Ne6 12. Nb3 Nd4 13. Nxd4 exd4 14. Na2 axb5 15. axb5 Be6 16. Qb1 Nd7 17. Nb4
Nb6 18. Bf3 Qd7 19. Rxa8 Rxa8 20. e5 Qxb5 21. Bxd4 Ra4 22. Bc3 {
Skrzypczak,M (1985)-Simon,M (1785)/L.K.S. Piast Srem POL 2010/0-1 (40)}) 8. a4
axb5 9. axb5 Rxa1 10. Qxa1 Nbd7 11. O-O Nc5 12. d3 Bd7 13. Qa3 Qa8 14. Qb4 b6
15. Nd2 Qb7 16. Nc4 Ra8 17. f4 Bf8 18. Nd1 Ng4 19. h3 Nh6 20. fxe5 dxe5 21. Qd2
Bxb5 {Skrzypczak,M (1985)-Sobolewski,P/L.K.S. Piast Srem POL 2010/1-0}) 7...
Nbd7 8. d4 (8. Bc4 $142 $5 $11) 8... exd4 $17 9. Nxd4 Re8 10. f3 d5 0-1

[Event "corr"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Van Embden, Alexander"]
[Result "0-1"]
[PlyCount "96"]
[EventDate "1991.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. c4 dxc4 6. Qc2 Nd7 (6... Qd5 7. Nc3
Qc5 8. a4 Bd6 9. Ba3 Qb6 10. Ne4 Bxa3 11. Rxa3 Ne7 12. Bxc4 O-O 13. a5 {
1-0 GuestFDJX-GuestQCBX/freechess.org 2017}) 7. Bxc4 Bxc4 8. Qxc4 f5 $146 (8...
Nb6 9. Qh4 (9. Qb3 Qd5 10. Nf3 a6 11. Nc3 Qc4 12. Rc1 Bd6 13. d4 Ne7 14. Ne4
Qb4+ 15. Qxb4 Bxb4+ 16. Bc3 Ba3 17. Rc2 f5 18. Neg5 Nbd5 19. Bd2 e4 20. Ne5 O-O
21. g4 Bd6 22. bxa6 Rxa6 23. gxf5 Rxf5 {
Lebel,P-Jacewicz,G/corr or01-022 E-mail 2002/^--^- (31)}) 9... Ne7 10. Ne2 Qd3
11. Qh5+ Ng6 12. O-O Qxb5 13. Nf4 Qxb2 14. Nxg6 hxg6 15. Qxh8 Qxa1 16. Nc3 Qb2
17. Qg8 O-O-O 18. Qe6+ Kb8 19. Ne4 Qc2 {
0-1 Eisert,G-Borrmann,F/corr Dresden DDR 1971}) (8... a6 $5 9. Nc3 Nb6 $11) 9.
Nf3 (9. Nh3 Qe7 $14) 9... e4 10. Nd4 (10. Ne5 Nh6 11. O-O $14) 10... Nc5 (10...
Ne5 $142 $5 11. Qe6+ Qe7 $14) 11. O-O $18 Nh6 (11... Nf6 12. Nxf5 Qd7 13. Bxf6
gxf6 14. Nd4 $16) 12. Ba3 b6 (12... Qd6 13. Rc1 Ng4 14. Bxc5 Qxh2+ 15. Kf1 $18)
13. Bxc5 (13. Nc3 Qd7 14. f3 exf3 15. Rxf3 O-O-O $18) 13... Bxc5 14. Nxf5 $4 (
14. Ne6 $142 Qd6 15. Nc3 $18) 14... Nxf5 $17 15. Qxe4+ (15. Nc3 Qd3 16. Qe6+
Ne7 $17) 15... Ne7 16. d4 (16. Nc3 O-O 17. Qc4+ Rf7 $17) 16... Bd6 (16... Bb4
17. Qd3 $17) 17. Nc3 (17. Qf3 Rf8 18. Qh5+ g6 19. Qxh7 Qd7 $19) 17... O-O 18.
Qe6+ Kh8 19. e4 c6 20. bxc6 (20. Rfd1 Rc8 $17) 20... Nxc6 21. Nb5 Rf6 22. Nxd6
Qxd6 (22... Rxe6 23. Nf7+ Kg8 24. Nxd8 Nxd8 25. e5 $17) 23. Qxd6 Rxd6 24. d5
Nd4 (24... Nb4 25. a4 $17) 25. f3 Kg8 (25... Rc8 26. Kf2 Rdd8 27. Rab1 $17) 26.
Kf2 Nc2 (26... Rc8 27. Rac1 Rdd8 28. Ke3 Nc2+ 29. Kd3 Nb4+ 30. Kd2 $17) 27.
Rac1 Rc8 28. f4 (28. Rfd1 Rdd8 $17) 28... Rdd8 (28... Kf7 29. Rfd1 Rdd8 30. e5
$17) 29. Rfd1 Kf7 30. Rd2 (30. e5 Rc5 $17) 30... Na3 (30... Nb4 31. Rxc8 Rxc8
32. Ke3 $17) 31. Rxc8 Rxc8 32. d6 (32. Ke2 Ke7 $17) 32... Rc2 $19 33. Rxc2 Nxc2
34. e5 Ke6 35. Ke2 (35. Kf3 Nb4 36. a3 Nc2 $19) 35... Nb4 $19 36. a3 Nc2 37. a4
h5 (37... Nb4 38. g3 $19) 38. g3 (38. Kd2 Nd4 $17) 38... Nd4+ 39. Kd3 Nf5 40.
Kc4 (40. Ke4 g6 $17) 40... a6 $19 41. Kd3 (41. Kb3 g6 $19) 41... g6 42. Ke4 Nh6
(42... b5 43. axb5 axb5 44. Kd3 $17) 43. Kd4 (43. h3 $5 $17) 43... Ng4 $19 44.
h3 Nf2 45. g4 $4 (45. a5 bxa5 46. Kc5 $19) 45... Nxg4 (45... hxg4 $142 46. hxg4
Nxg4 $19) 46. hxg4 $4 (46. a5 $142 bxa5 47. hxg4 hxg4 48. Kc5 $11) 46... hxg4
$19 47. Ke3 b5 48. axb5 axb5 0-1

[Event "corr TKM/A005"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Steinmann, Joachim"]
[Result "0-1"]
[PlyCount "38"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 O-O 5. e3 d5
6. cxd5 Nxd5 7. Nf3 Re8 8. Bb2 Nf4 9. Ne5 Qg5 10. Nf3 $146 (10. exf4 Qxf4 11.
Qe2 Nc6 $15) 10... Qh5 (10... Qg4 11. Be5 Nxg2+ 12. Bxg2 Qxg2 13. Rg1 Qxg1+ 14.
Nxg1 Rxe5 15. a3 $15) 11. Nd4 (11. Qa4 Nc6 12. Nd4 Qd5 $17) 11... Bg4 12. Qa4 (
12. Qb3 c5 13. f3 Bc8 $15) 12... Na6 $17 13. f3 (13. Bxa6 Qa5 {Double attack} (
13... Nxg2+ {Deflection}) (13... Qa5 {Decoy})) 13... Nc5 $19 14. Qc2 (14. Qb5
$142 Bd7 15. Qc4 Rxe3+ 16. Kf2 Ncd3+ 17. Bxd3 Nxd3+ 18. Kxe3 Nxb2 19. Qc2 (19.
Qxc7 Re8+ 20. Ne6 Rxe6+ 21. Kd4 Qh4+ 22. g4 Qf6+ 23. Kd5 Qxf3+ 24. Kd4 Qd3#)
19... Re8+ 20. Qe4 $19) 14... Rxe3+ 15. Kf2 Ncd3+ 16. Bxd3 Nxd3+ 17. Kxe3 Qe5+
18. Kxd3 Bf5+ 19. Nxf5 Qxf5+ (19... Qxf5+ 20. Ke3 Qxc2 $19) 0-1

[Event "Theme4 corr"]
[Site "?"]
[Date "1990.??.??"]
[Round "?"]
[White "Dopper, Johan C"]
[Black "Rosenhahn, Eberhard"]
[Result "0-1"]
[PlyCount "35"]
[EventDate "1990.??.??"]

1. b4 b5 (1... e5 2. Bb2 $15) 2. Bb2 Bb7 3. e3 e6 4. a3 (4. Bxb5 $4 Bxg2 (4...
Bxb4 $6 5. Bxg7 Nf6 6. Bxh8 Bxg2 7. Be2 Bxh1 8. Bf3 Bxf3 9. Qxf3 $14) 5. Bxg7
Bxg7 $19 (5... Bxh1 $6 6. Bxh8 Qg5 7. Ne2 Qxb5 8. Ng3 $19)) 4... a6 5. Nf3 Nf6
6. Be2 Be7 7. d4 O-O 8. c4 bxc4 9. Bxc4 d6 10. Nbd2 Nbd7 11. O-O Nb6 12. Bd3
Qd7 13. Rc1 Rfc8 14. Qe2 Na4 15. Ba1 c5 16. Bxa6 $4 (16. bxc5 $142 dxc5 17. Nc4
$11) 16... Bxa6 $19 (16... Rxa6 $6 17. dxc5 dxc5 18. Bxf6 Bxf6 19. Ne4 $19) 17.
Qxa6 (17. Qd1 Bxf1 18. Qxf1 cxb4 19. Rxc8+ Qxc8 20. axb4 $19) 17... Rxa6 18.
bxc5 0-1

[Event "corr TKM/A005"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Dopper, Johan"]
[Black "Schirmer, Michael"]
[Result "1/2-1/2"]
[PlyCount "42"]
[EventDate "1999.??.??"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. d4 Nd7 6. dxe5 fxe5 7. Nf3 Bd6 8. Nbd2
Ngf6 9. c4 O-O 10. Be2 c6 11. O-O Qe7 12. Ng5 (12. Rc1 cxb5 13. cxd5 Bxd5 14.
Bxb5 e4 15. Nd4 Qe5 16. g3 Bc5 17. Bc4 Rf7 18. Qb3 Bxc4 19. Nxc4 Qh5 20. h4 Re8
21. Nb5 Re6 22. Rcd1 Bf8 23. Ncd6 Nc5 24. Qc2 Rfe7 25. Bxf6 gxf6 26. Qc4 Kg7 {
Muri,H (2405)-Destruels Moreno,V (2405)/III. Danube Cup-Paul Darmogray
Memorial 2008/1-0 (34)}) 12... Nc5 $146 (12... Bf5 13. cxd5 cxd5 14. e4 dxe4 (
14... Nxe4 15. Ndxe4 dxe4 16. Bc4+ Kh8 17. Nf7+ Rxf7 18. Bxf7 Nc5 19. Ba3 Nd3
20. Bxd6 Qxf7 21. f4 Qd5 22. fxe5 Qd4+ 23. Kh1 Nf2+ 24. Rxf2 Qxf2 25. Qf1 e3
26. Qxf2 exf2 27. Bc5 Re8 {
1/2-1/2 Bendig,F-Feilmayr,E/corr ICCF TT-6-02-Final 2005}) 15. Ndxe4 Bxe4 16.
Qd5+ Bxd5 {0-1 Schwertel,G-Martello,J/corr 3GMM-38 1996}) 13. Nxe6 Qxe6 14. Qc2
Rac8 15. bxc6 bxc6 16. Rac1 Qe7 17. Nb3 Nxb3 18. axb3 Rb8 19. c5 Bc7 20. f3 e4
21. f4 a5 1/2-1/2

[Event "corr SOK-95-110"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Vettenburg"]
[Black "Dopper, Johan"]
[Result "*"]
[ECO "A15"]
[PlyCount "60"]
[EventDate "1995.??.??"]

1. b4 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. c4 O-O 5. g3 d6 6. Bg2 e5 7. O-O Nc6 8. b5
Ne7 9. Nc3 a6 $146 (9... h6 10. d3 Be6 11. Nd2 c6 12. Qa4 d5 13. bxc6 bxc6 14.
Rab1 Re8 15. Rfc1 Nd7 16. cxd5 cxd5 17. Nb5 Nb6 18. Qa3 Qd7 19. Nc7 Rec8 20.
Nxa8 Rxa8 21. Bxe5 Bxe5 22. Rxb6 Rc8 23. Rbb1 Rxc1+ 24. Rxc1 {
Jirovsky,M (2440)-Havelka,J (2320)/CZE Ch Blitz 2016/1-0 (39)}) (9... c6 10.
bxc6 bxc6 11. c5 e4 12. cxd6 Nf5 13. Ne5 Qxd6 14. Nc4 Qe6 15. Ne3 Rd8 16. Nxf5
gxf5 17. Na4 Qd6 18. d3 Ba6 19. dxe4 fxe4 20. Qc2 e3 21. fxe3 Ng4 22. Bxg7 Kxg7
23. Rf4 Qe6 24. Qc3+ {Stocek,J (2475)-Manik,M (2380)/Mlada Boleslav op 1995/1-0
}) (9... Be6 10. d3 Qd7 11. e4 a6 12. a4 axb5 13. axb5 Rxa1 14. Qxa1 b6 15. Re1
c6 16. bxc6 Qxc6 17. Nb5 Ra8 18. Qd1 Nd7 19. h4 Nc5 20. d4 Nxe4 21. d5 Bxd5 22.
cxd5 Qxb5 23. Re2 Nf6 24. Ng5 {
davidscott-stampyshortlegs/ChessWorld.net 2014/0-1}) 10. a4 c6 11. bxc6 bxc6
12. c5 Rb8 13. Qc2 e4 (13... Nf5 14. cxd6 e4 15. Ne5 $17) 14. cxd6 $15 Nf5 15.
Ne5 {e4 draws heavy fire} Nd4 16. Qb1 Qxd6 17. Nc4 Qe6 18. Ne3 (18. d3 exd3 19.
exd3 Nd5 $17) 18... Nd5 19. Nexd5 cxd5 20. Ra2 a5 21. e3 (21. d3 Ba6 22. Qa1
Nc2 $19) 21... Nf3+ 22. Bxf3 exf3 23. Kh1 Ba6 24. Nb5 Bxb5 25. axb5 Rxb5 26. d4
Rfb8 27. Qc2 Bxd4 $1 28. exd4 (28. Bxd4 Qh3 {Mate attack}) (28. exd4 Qe2 {
Combination}) 28... Qe2 29. Qxe2 fxe2 30. Re1 Rxb2 (30... Rxb2 31. Rxa5 Rb1 $19
) *

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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