| ECO C95 in 1988 play it! wolff p defeats black's rolvaag m by checkmate in 93 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. b4 Bf8 14. a4 Nb6 15. a5 Nbd7 16. Bb2 Rb8 17. Qb1 g6 18. Qa2 Nh5 19. c4 bxc4 20. Qxc4 Bg7 21. Ba4 exd4 22. Bxd4 Bxd4 23. Qxd4 Re7 24. Rad1 Nf8 25. e5 dxe5 26. Qc3 Qc8 27. Nxe5 Ne6 28. Bc6 Nef4 29. Ng4 Rxe1+ 30. Rxe1 Ne6 31. Bxb7 Qxb7 32. Nh6+ Kf8 33. Rxe6 fxe6 34. Qh8+ Ke7 35. Qxh7+ Kd6 36. Nf7+ Kc6 37. Ne5+ Kd5 38. Ndc4 Nf4 39. Qd7+ Ke4 40. f3+ Kf5 41. g4+ Kf6 42. Qf7+ Kg5 43. Qe7+ Kh6 44. g5+ Kh5 45. Qh7+ Kxg5 46. h4+ Kf6 47. Qf7# |
| ECO C89 in 1990 play it! wolff p defeats black's hebden m in 116 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 a5 10. d4 a4 11. Bc2 Bd7 12. Bd3 Qb8 13. Na3 b4 14. Nc4 bxc3 15. bxc3 exd4 16. cxd4 d5 17. Nce5 Nb4 18. exd5 Nbxd5 19. Nxd7 Nxd7 20. Ne5 Nxe5 21. dxe5 c6 22. Qc2 g6 23. Qxc6 Nb4 24. Qf3 Nxd3 25. Qxd3 Rd8 26. Qf3 Qb6 27. e6 fxe6 28. Bh6 e5 29. Rac1 Qe6 30. Rc7 Rac8 31. Ra7 a3 32. Qb7 Re8 33. Rxa3 Rb8 34. Ra6 Rxb7 35. Rxe6 Ra8 36. R6xe5 Kf7 37. R5e2 Rba7 38. Re3 Bf6 39. Rb1 Re7 40. Rxe7+ Bxe7 41. Rb7 Ke6 42. Rb2 Bf6 43. Re2+ Kd5 44. Bf4 g5 45. Rd2+ Ke4 46. Be3 h5 47. Rc2 Ra5 48. Kf1 Kd3 49. Rd2+ Ke4 50. Ke2 g4 51. hxg4 hxg4 52. Rc2 Ra4 53. g3 Be7 54. Bc1 Bf6 55. a3 Bd4 56. Rc8 Ra6 57. Rg8 Re6 58. Rxg4+ Kd5+ |
| ECO C75 in 1991 play it! wolff p defeats black's rowley r by checkmate in 71 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Re8 10. Nf1 Bf8 11. Ng3 g6 12. h3 Bg7 13. Bg5 h6 14. Bd2 Kh7 15. b4 Ng8 16. Bb3 Rf8 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. f4 Bg7 20. Qf3 Qh4 21. Rac1 Rae8 22. Be3 Bc6 23. Bf2 Qd8 24. f5 Qg5 25. Bd4 Nf6 26. Be3 Qh4 27. Bxf7 Nxe4 28. Bxe8 Rxe8 29. fxg6+ Kh8 30. Nf5 Qd8 31. Nxg7 Nf6 32. Nxe8 Bxf3 33. Bd4 Qc8 34. Nxf6 Kg7 35. Re8 Qf5 36. Rg8# |
| ECO C80 in 1996 play it! wolff p defeats black's sagalchik g in 55 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Bg4 11. Bc2 Qd7 12. Re1 Rd8 13. Nb3 Ne6 14. h3 Bh5 15. Bf5 Be7 16. a4 bxa4 17. Nbd4 Ncxd4 18. cxd4 a3 19. bxa3 c5 20. dxc5 Bxc5 21. Be3 Bxe3 22. Rxe3 O-O 23. Rc1 Bg6 24. Bxe6 fxe6 25. Nd4 Rf4 26. Rec3 Re8 27. Rc7 Qd8 28. Nxe6 |
| ECO C92 in 1990 play it! wolff p defeats black's averbakh y in 72 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Be6 10. Bxe6 fxe6 11. d4 Qd7 12. Nbd2 Rad8 13. a4 Rb8 14. Nb3 exd4 15. axb5 Rxb5 16. Nbxd4 Nxd4 17. Nxd4 Rb6 18. Qe2 c5 19. Nf3 Qb5 20. e5 Qxe2 21. Rxe2 dxe5 22. Nxe5 Rd8 23. Bg5 Rbd6 24. Nc4 Rd1+ 25. Re1 Rxe1+ 26. Rxe1 Kf7 27. Ra1 Ra8 28. Kf1 Nd7 29. Bf4 Bd8 30. Rd1 Ra7 31. Rd6 a5 32. Ke2 a4 33. Rc6 Kf6 34. Kd3 g5 35. Bc1 Be7 36. Be3 h5 |
| ECO C78 in 1991 play it! wolff p defeats black's tal m in 34 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. c3 Nxe4 8. d4 Na5 9. Nxe5 Nxb3 10. Qxb3 Qf6 11. f3 Nc5 12. Ng4 Nxb3 13. Nxf6+ Ke7 14. Bg5 Nxa1 15. Re1+ Kd6 16. Bf4+ Kc6 17. d5+ Kc5 |
| ECO C63 in 1991 play it! wolff p defeats black's dawidow j in 91 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7 8. Bxc6 dxc6 9. Nxe5 O-O 10. O-O Bd6 11. d4 Bf5 12. f4 Rad8 13. Rf2 Bxe5 14. dxe5 Qg6 15. Be3 Rd5 16. Raf1 h5 17. Kh1 Kh7 18. h3 Rfd8 19. Rf3 Kg8 20. Kh2 Qh7 21. Rc1 Bg4 22. Qf2 Bxf3 23. Qxf3 Rf8 24. Qg3 Qf5 25. b3 Rfd8 26. Qf3 Rf8 27. Re1 Qg6 28. Qg3 Qxg3+ 29. Kxg3 g6 30. Kh4 Kf7 31. Kg5 b6 32. g4 hxg4 33. hxg4 Rh8 34. c4 Rd3 35. e6+ Ke7 36. Kxg6 Rdd8 37. Kf5 Rd6 38. g5 Rf8+ 39. Kg4 Rxe6 40. f5 Re4+ 41. Kf3 Re6 42. Bc5+ Kd8 43. Rxe6 Rxf5+ 44. Kg4 Rxc5 45. g6 Kd7 46. Re2 |
| ECO C42 in 1994 play it! wolff p defeats black's barua d in 25 moves | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c4 Bxf3 10. Qxf3 Nxd4 11. Qg4 g6 12. cxd5 f5 13. Qh3 |
| ECO C78 in 1991 play it! wolff p defeats black's tal m in 109 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. c3 Nxe4 8. d4 Na5 9. Nxe5 Nxb3 10. Qxb3 Qf6 11. f3 Nc5 12. Ng4 Nxb3 13. Nxf6+ gxf6 14. Re1+ Be7 15. axb3 d6 16. Bf4 Kd7 17. Nd2 a5 18. Nf1 Bd5 19. c4 Bc6 20. Ne3 a4 21. d5 Bb7 22. Ra3 Rhb8 23. cxb5 axb3 24. Rxb3 Ra4 25. g3 Ba6 26. Nf5 Bd8 27. Re4 Ra1+ 28. Kf2 Rxb5 29. Rxb5 Bxb5 30. Rb4 Bd3 31. Nd4 Ra5 32. Ke3 Bb1 33. Nb5 f5 34. Nc3 Ba2 35. b3 Bf6 36. Kd3 Bxc3 37. Kxc3 Bb1 38. Rd4 Ra2 39. Rd1 Rc2+ 40. Kb4 Rb2 41. Rc1 Ba2 42. Ka3 Rxh2 43. Ra1 Bxb3 44. Kxb3 Rf2 45. Rh1 Rxf3+ 46. Kc4 Ke7 47. Rxh7 Kf6 48. Rh8 Rf2 49. Rc8 Rc2+ 50. Kd3 Rc5 51. Kd4 Ke7 52. Bg5+ f6 53. Bf4 Rc2 54. Rh8 Kf7 55. Rh1 |
| ECO C80 in 1993 play it! wolff p defeats black's osbun e in 91 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 O-O 11. Bc2 f5 12. Nb3 Qd7 13. Qe2 b4 14. c4 dxc4 15. Rd1 Qe8 16. Nbd4 Nxd4 17. Nxd4 Bc5 18. Be3 Bb6 19. Nxe6 Qxe6 20. Bxb6 cxb6 21. f3 Ng5 22. Rd6 Qc8 23. Qe3 Qc5 24. Qxc5 bxc5 25. h4 Nf7 26. Rd5 Rfe8 27. f4 g6 28. Rxc5 Rac8 29. Rxc8 Rxc8 30. Rd1 Rd8 31. Kf2 Kf8 32. Rxd8+ Nxd8 33. Ke3 Ne6 34. g3 Ke7 35. Bd1 Nc5 36. Kd4 Nd3 37. Be2 Nxb2 38. Bxc4 a5 39. Bg8 a4 40. Kc5 Nd3+ 41. Kc4 Nc1 42. Kxb4 Ne2 43. Kxa4 Nxg3 44. Kb5 Ne2 45. a4 Nxf4 46. a5 |
| ECO C76 in 1987 play it! wolff p defeats black's de souza m in 97 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. Bg5 f6 8. Be3 Nh6 9. O-O Qe7 10. h3 Bg7 11. dxe5 dxe5 12. b4 Nf7 13. Bc5 Nd6 14. Na3 Be6 15. b5 axb5 16. Nxb5 Rd8 17. Na7 Bd7 18. Nxc6 Bxc6 19. Bxc6+ bxc6 20. a4 Qe6 21. Qe2 Qc4 22. Qxc4 Nxc4 23. Rfb1 Bf8 24. Rb4 Na5 25. Bxf8 Rxf8 26. Kf1 Rd3 27. Rc1 Ke7 28. Ke2 Rd6 29. Rcb1 Ra8 30. Nd2 Rdd8 31. g3 Kd6 32. f4 exf4 33. gxf4 c5 34. Rb5 Kc6 35. h4 Ra7 36. Rb8 Ra8 37. Rxa8 Rxa8 38. h5 Rg8 39. hxg6 Rxg6 40. Rh1 Rg2+ 41. Kd3 Rg3+ 42. Kc2 Rg2 43. Kd1 Rg3 44. Rh6 Rxc3 45. e5 Kd5 46. exf6 Ke6 47. Ne4 Rc4 48. Ng5+ Kd6 49. f7+ |
| ECO C60 in 1989 play it! wolff p defeats black's day l in 79 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7 7. O-O Bg7 8. Be3 Qe7 9. Nbd2 Nf6 10. Re1 h6 11. dxe5 dxe5 12. b4 b6 13. h3 O-O 14. Qc2 Kh8 15. Rad1 Qe8 16. Bb3 Rc8 17. Nf1 Nb8 18. Ng3 Ng8 19. a4 Ne7 20. Bc1 Rd8 21. Qa2 f6 22. a5 b5 23. Be3 Bc8 24. Bf7 Qc6 25. Bc5 Rd6 26. Bxd6 cxd6 27. Qb3 Qc7 28. Rd3 f5 29. Red1 Bb7 30. Rxd6 f4 31. Nf1 Nc8 32. Nh4 Rxf7 33. Rd8+ Kh7 34. Qe6 Rf8 35. Qxg6+ Kg8 36. Nf5 Kh8 37. Nxh6 Qe7 38. Rxf8+ Qxf8 39. Rd8 Bxh6 40. Qxh6+ |
| ECO C95 in 1988 play it! wolff p defeats black's southam t in 49 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. a4 Bf8 14. Bd3 Bc6 15. b4 d5 16. exd5 Nxd5 17. dxe5 g6 18. Nd4 Nxe5 19. Nxc6 Nxd3 20. Ne4 Qd7 21. Qxd3 Qxc6 22. axb5 Qxb5 23. c4 Qxb4 24. Bd2 Qb7 25. cxd5 |
| ECO C47 in 1993 play it! wolff p defeats black's rohde m in 63 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 exd4 6. Nxd4 g6 7. Bb5 Bd7 8. O-O Bg7 9. Bxc6 bxc6 10. Bg5 h6 11. Bf4 O-O 12. Qd2 Ng4 13. h3 Ne5 14. Bxh6 c5 15. Bxg7 Kxg7 16. Nde2 Rh8 17. f4 Nc4 18. Qd3 Nxb2 19. Qf3 Bc6 20. Nd5 Bxd5 21. exd5 Qf6 22. Nc3 Nc4 23. Rad1 Rae8 24. Ne4 Qb2 25. f5 Ne5 26. Qe2 Rh4 27. fxg6 fxg6 28. Ng5 Qc3 29. Ne6+ Kg8 30. Qf2 Qc4 31. Qf6 Rh7 32. Qf8+ |
| ECO C05 in 1996 play it! wolff p defeats black's wen j in 73 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O Qc7 12. g3 O-O 13. Bf4 Nh5 14. Bxd6 Qxd6 15. Nc3 g6 16. Re1 Qd8 17. Bf1 Qf6 18. Bg2 Bd7 19. Qd2 Ng7 20. Ne5 Rad8 21. Bh3 Nf5 22. Bxf5 Qxf5 23. Nxc6 Bxc6 24. Re5 Qf6 25. Rae1 Bd7 26. Nd1 Rc8 27. Ne3 Rc6 28. Ng4 Qg7 29. h4 h5 30. Ne3 Qf6 31. Ng2 Rfc8 32. Nf4 Kf7 33. Qe3 R8c7 34. Rg5 Rc4 35. Nxg6 Qxd4 36. Qf3+ Kg8 37. Ne5+ |
| ECO C03 in 1993 play it! wolff p defeats black's saidy a in 111 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. c4 Bc6 6. Nc3 Nf6 7. Nf3 Bxf3 8. Qxf3 c6 9. Be3 Be7 10. Be2 O-O 11. O-O Na6 12. Rfd1 Nc7 13. Rac1 Qd7 14. Bf4 Rac8 15. Be5 Rfd8 16. Qg3 Kf8 17. Ne4 Nce8 18. Nc5 Bxc5 19. dxc5 Qe7 20. b4 Rxd1+ 21. Rxd1 Rd8 22. Rxd8 Qxd8 23. Qe3 h6 24. f4 Nd7 25. Bc3 Qc7 26. Bf3 Nef6 27. g3 h5 28. Kg2 g6 29. a3 Ke7 30. Bd4 Ng8 31. f5 gxf5 32. Bxh5 Ngf6 33. Bf3 e5 34. Bc3 Ke6 35. h3 Qb8 36. Qd2 Qc7 37. g4 e4 38. gxf5+ Kxf5 39. Bd1 Qf4 40. Bg4+ Kg5 41. Bxd7 Nxd7 42. h4+ Kg4 43. Qxd7+ Kxh4 44. Qh3+ Kg5 45. Qg3+ Kf5 46. Qxf4+ Kxf4 47. Kf2 e3+ 48. Ke2 Ke4 49. Bf6 a6 50. a4 Kf4 51. Bd4 Ke4 52. Bxe3 f5 53. Bg1 f4 54. Bf2 f3+ 55. Kd2 Kf4 56. Kd3 |
| ECO C05 in 1985 play it! wolff p defeats black's mccambridge v in 52 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. g3 f6 9. Bd3 cxd4 10. cxd4 fxe5 11. fxe5 Bb4+ 12. Kf1 O-O 13. Kg2 g6 14. Bb1 Be7 15. h4 Nxd4 16. Qxd4 Qxd4 17. Nxd4 Nxe5 18. Ngf3 Ng4 19. Bf4 Bf6 20. Re1 Bd7 21. Bc2 Rae8 22. Be5 Rf7 23. Rad1 Ref8 24. Rd2 Be7 25. a3 Bc6 26. Bf4 Nf6 |
| ECO C03 in 1988 play it! wolff p defeats black's hansen lb in 127 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Bxe4 7. Bxe4 c6 8. c3 Nf6 9. Bc2 g6 10. Bf4 Bg7 11. Qd2 Nbd7 12. Bh6 Bxh6 13. Qxh6 Qe7 14. O-O O-O-O 15. Rfe1 Qf8 16. Qg5 h6 17. Qa5 Kb8 18. c4 Qd6 19. Rad1 Qc7 20. Qc3 g5 21. b4 Rhg8 22. Qb3 g4 23. Nd2 e5 24. c5 exd4 25. Nc4 Rde8 26. Nd6 Rxe1+ 27. Rxe1 Nd5 28. Qc4 N7b6 29. Qxd4 Nc8 30. Nf5 h5 31. g3 Qd8 32. Bb3 Rg5 33. Qe5+ Nc7 34. Rd1 Qe8 35. Qf4 f6 36. Nd6 Qe5 37. Nf7 Qxf4 38. gxf4 Rg8 39. Ne5 Rh8 40. Nd7+ Ka8 41. Nxf6 a5 42. Nd7 Ne7 43. bxa5 Ka7 44. f3 Ned5 45. Bxd5 Nxd5 46. Rd4 Re8 47. fxg4 hxg4 48. f5 Re3 49. Nb6 Nc3 50. Rxg4 Rf3 51. Nc8+ Ka6 52. Nd6 Nd5 53. Rg3 Rf4 54. Kg2 Rd4 55. Rf3 Nf6 56. Rb3 Nd7 57. Nxb7 Rd5 58. Nd6 Nxc5 59. Rb6+ Kxa5 60. Rxc6 Nd7 61. Nb7+ Kb4 62. Rd6 Kc4 63. Rxd5 Kxd5 64. Kf3 |
| ECO C07 in 1991 play it! wolff p defeats black's morris m in 103 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Ne7 9. Nb3 Bd6 10. Re1 O-O 11. Bd3 h6 12. h3 Nb4 13. Nbd4 a6 14. a3 Nxd3 15. Qxd3 Ng6 16. Bd2 Qf6 17. Rad1 Be6 18. Qf1 Nh4 19. Bc3 Nxf3+ 20. Nxf3 Qg6 21. Qd3 Qxd3 22. Rxd3 Rac8 23. Rd2 Rfd8 24. Nd4 Bd7 25. Ne2 Be6 26. Ba5 Re8 27. Nc3 Bf4 28. Rdd1 Bc7 29. Bxc7 Rxc7 30. Rxd5 Rec8 31. Rd2 Kf8 32. Re5 Rc4 33. f3 g6 34. Kf2 h5 35. Ree2 R4c6 36. Ne4 b5 37. c3 a5 38. Rd4 Rb8 39. Red2 Ke7 40. Ng5 Bf5 41. g4 hxg4 42. hxg4 Kf6 43. Nxf7 Kxf7 44. gxf5 gxf5 45. Ke3 Re6+ 46. Kf4 Rh8 47. Rd5 Rh4+ 48. Kg5 Rh3 49. Rxf5+ Ke7 50. Rxb5 Rxf3 51. Rb7+ Ke8 52. Rh2 |
| ECO C04 in 1989 play it! wolff p defeats black's gallagher j in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 Be7 7. Nf1 O-O 8. Ne3 f6 9. exf6 Nxf6 10. O-O Bd6 11. c4 b6 12. a3 Kh8 13. b4 dxc4 14. Bxc4 e5 15. Bb2 exd4 16. Nxd4 Nxd4 17. Qxd4 Qe8 18. Nd5 Qh5 19. h3 Qg6 20. Nxf6 gxf6 21. Bd5 Rb8 22. Qh4 Bf5 23. Rfe1 Kg7 24. Re3 Rbe8 25. Rae1 Rxe3 26. Rxe3 Qh6 27. Qc4 Qf4 28. Qxf4 Bxf4 29. Rf3 Rd8 30. Rxf4 Rxd5 31. g4 Bc8 32. Rxf6 Kg8 33. Rc6 Rd1+ 34. Kh2 Ba6 35. Be5 Rd2 36. Bg3 Ra2 37. Rxc7 Be2 38. Rxa7 Bf3 39. a4 Ra1 40. Be5 Rh1+ 41. Kg3 |