| ECO A05 in 1992 play it! wolff p defeats black's moskow e in 39 moves | 1. Nf3 Nf6 2. c4 e6 3. e3 b6 4. d4 Bb7 5. Bd3 Bb4+ 6. Nbd2 O-O 7. O-O c5 8. Nb3 cxd4 9. exd4 Be7 10. Re1 d5 11. c5 Nbd7 12. cxb6 Qxb6 13. Ne5 Ba6 14. Bb1 Rfc8 15. Bg5 Rc7 16. Re3 Qd6 17. Rh3 Nxe5 18. Bf4 Qb4 19. Bxe5 Rc6 20. Bxh7+ |
| ECO A10 in 1992 play it! wolff p defeats black's huehn m in 76 moves | 1. c4 g6 2. Nc3 Bg7 3. e4 e5 4. d3 d6 5. g3 Nc6 6. Bg2 f5 7. Nge2 Nf6 8. O-O O-O 9. Rb1 Be6 10. Nd5 h6 11. b4 Qd7 12. b5 Nd8 13. Qa4 a5 14. Qa3 fxe4 15. dxe4 b6 16. f3 Kh7 17. Be3 Nf7 18. Nec3 Rab8 19. Qc1 Ng5 20. h4 Nf7 21. Nxf6+ Bxf6 22. Nd5 Bg7 23. Kf2 Nd8 24. Ke2 Bg8 25. Rh1 Ne6 26. Bh3 Qf7 27. Rf1 Rbe8 28. Kd3 Qd7 29. Bg2 Rf7 30. Rf2 Ref8 31. Qh1 Qd8 32. Bh3 Qe8 33. Rbf1 Kh8 34. f4 exf4 35. gxf4 Bh7 36. h5 g5 37. f5 Nc5+ 38. Bxc5 dxc5 |
| ECO A26 in 1992 play it! wolff p defeats black's heisterhagen t in 85 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e3 Nge7 7. Nge2 O-O 8. O-O Be6 9. h3 Qd7 10. Kh2 f5 11. b3 Nd8 12. Qd2 Kh8 13. Bb2 Bg8 14. Rac1 c6 15. f4 Ne6 16. e4 Rad8 17. b4 h6 18. Qe3 b6 19. Nb1 Kh7 20. Bc3 c5 21. b5 Nd4 22. Nd2 Nxe2 23. Qxe2 exf4 24. gxf4 Bxc3 25. Rxc3 Be6 26. Rcc1 Rfe8 27. Rce1 Ng8 28. Qf2 Nf6 29. exf5 gxf5 30. Bc6 Qf7 31. Bxe8 Rxe8 32. Re3 Qh5 33. Kg2 Rg8+ 34. Rg3 Rxg3+ 35. Qxg3 Qe2+ 36. Rf2 Qd1 37. Qe3 Bc8 38. Rf1 Bb7+ 39. Kh2 Qh5 40. Qe7+ Kg6 41. Rg1+ Ng4+ 42. Rxg4+ fxg4 43. Qe8+ |
| ECO A11 in 1991 play it! wolff p defeats black's cabanis j by checkmate in 57 moves | 1. c4 c6 2. e4 Nf6 3. Nc3 e6 4. e5 Ng8 5. d4 Bb4 6. Nf3 Bxc3+ 7. bxc3 Qa5 8. Qb3 Ne7 9. Ba3 Ng6 10. Bd3 Na6 11. Bd6 Nf4 12. Bf1 c5 13. g3 cxd4 14. gxf4 dxc3 15. Qc2 f6 16. Bg2 Kf7 17. O-O h6 18. Nh4 f5 19. Nxf5 exf5 20. Qxf5+ Kg8 21. Bd5+ Qxd5 22. cxd5 b6 23. Rac1 Bb7 24. e6 dxe6 25. dxe6 Re8 26. Qf7+ Kh7 27. Qxb7 Rxe6 28. Be5 Nb4 29. Qxg7# |
| ECO A10 in 1990 play it! wolff p defeats black's ruhrberg m in 121 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 a6 10. a4 Nbd7 11. h4 h5 12. Bg5 Qa5 13. O-O Nc5 14. Bd2 Qc7 15. Rc1 Qb6 16. Rb1 Nb3 17. a5 Qb4 18. Be1 Nd4 19. Bd3 Qxa5 20. Nb5 Qb6 21. Nxd4 Qxd4 22. Bc3 Qb6 23. Be2 Bh6 24. Bd2 Bxd2 25. Qxd2 Kh7 26. Qg5 Qd8 27. Rbc1 Ng4 28. Qxd8 Rxd8 29. Rc7 Kg8 30. f3 Nf6 31. f4 Ne8 32. Rc3 b5 33. fxe5 dxe5 34. Ra1 Bb7 35. Rca3 Rac8 36. Bd3 Nd6 37. Rf1 Rc7 38. Raa1 Kg7 39. Rf2 Rdc8 40. Ne2 Ra8 41. Kh2 Bc8 42. Nc3 Bd7 43. Raf1 b4 44. Ne2 Bb5 45. Bxb5 Nxb5 46. Nc1 a5 47. Nd3 Re8 48. Rf6 Rd7 49. Rb6 Nd6 50. Nc5 Rdd8 51. Ra6 Nc4 52. Ra7 Nd6 53. Ne6+ Kg8 54. Nxd8 Rxd8 55. Re1 Nc4 56. Re2 f5 57. b3 Nd6 58. exf5 Nxf5 59. Rxe5 Nd4 60. Re3 a4 61. Rxa4 |
| ECO A16 in 1991 play it! wolff p defeats black's boehm a in 80 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Nbd7 9. h4 h5 10. Bg5 Nc5 11. Bxh5 c6 12. Be2 Qb6 13. Qd2 cxd5 14. cxd5 Bd7 15. h5 Na4 16. Nxa4 Bxa4 17. b3 Bd7 18. Be3 Qc7 19. Bh6 Qb6 20. hxg6 fxg6 21. Qg5 Nh7 22. Qe3 Qxe3 23. Bxe3 Rfc8 24. O-O Bf6 25. Rac1 Bd8 26. Rxc8 Rxc8 27. Rc1 Rxc1+ 28. Bxc1 a4 29. Ba3 axb3 30. axb3 Bc7 31. Nf1 Nf6 32. Nd2 Kf7 33. f3 Ne8 34. Kf2 Kf6 35. Nc4 g5 36. Bb4 Bb5 37. Nxe5 Bb6+ 38. Ke1 Bxe2 39. Ng4+ Kg6 40. Kxe2 Bc7 |
| ECO A13 in 1993 play it! wolff p defeats black's blum r in 64 moves | 1. c4 e6 2. g3 f5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d3 Nc6 7. Nc3 d6 8. Rb1 a5 9. a3 e5 10. b4 axb4 11. axb4 Qe8 12. Nb5 Bd8 13. Bd2 Ne7 14. Qb3 Ng6 15. Ra1 Rb8 16. Qa2 Qe7 17. Qa7 Nd7 18. Rfb1 f4 19. c5 d5 20. Bh3 c6 21. Nd6 Bc7 22. b5 Bxd6 23. cxd6 Qxd6 24. Bxd7 Bxd7 25. Bb4 Qc7 26. Bxf8 Rxf8 27. b6 Qc8 28. Qa3 h6 29. Qd6 Qe8 30. Ra7 Bc8 31. Ra8 Rf6 32. Qc7 Rf7 |
| ECO A00 in 1991 play it! wolff p defeats black's mephisto lyon in 119 moves | 1. d3 d5 2. g3 Nc6 3. Bg2 e5 4. Nf3 Nf6 5. O-O Be7 6. c3 O-O 7. Qc2 Bd7 8. Nbd2 Qc8 9. b4 a6 10. Bb2 Bh3 11. a3 Bxg2 12. Kxg2 Qf5 13. e4 dxe4 14. dxe4 Qd7 15. Rad1 Rad8 16. Rfe1 Qg4 17. h3 Qg6 18. Nh4 Qh5 19. Ndf3 Rxd1 20. Qxd1 Rd8 21. Qe2 g5 22. Nf5 g4 23. hxg4 Nxg4 24. Rh1 Qg6 25. c4 Bf6 26. b5 axb5 27. cxb5 Na7 28. Nxe5 Nxe5 29. Bxe5 Re8 30. Bxf6 Qxf5 31. exf5 Rxe2 32. Rd1 Re8 33. a4 Nc8 34. Rd7 Nb6 35. Rd4 c5 36. bxc6 bxc6 37. a5 Nd5 38. Rg4+ Kf8 39. Bd4 f6 40. a6 Ra8 41. a7 Kf7 42. Bc5 Nc3 43. Rb4 Nb5 44. Re4 Rxa7 45. Bxa7 Nxa7 46. Re6 h5 47. Kh3 Nb5 48. Rxc6 Nd4 49. Rc7+ Kf8 50. Kh4 Nxf5+ 51. Kxh5 Ne7 52. Rxe7 Kxe7 53. Kg6 Ke6 54. f4 f5 55. Kg5 Ke7 56. Kxf5 Kf7 57. g4 Kg7 58. g5 Kf7 59. g6+ Kg7 60. Kg5 |
| ECO B78 in 1988 play it! wolff p defeats black's ballmann m in 41 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Kb1 Qa5 17. Nb3 Qe5 18. Bf4 Qe6 19. Bh6 Rfc8 20. Bxg7 Rxc3 21. Nd4 |
| ECO B57 in 1991 play it! wolff p defeats black's gurevich dmitry in 91 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Be7 9. O-O-O Qc7 10. Bb3 Na5 11. g4 b5 12. g5 Nxb3+ 13. axb3 Nd7 14. h4 b4 15. Na4 Nc5 16. h5 Bd7 17. Kb1 Nxe4 18. g6 f5 19. h6 hxg6 20. f3 Nc5 21. Nxc5 dxc5 22. Bf4 Qb6 23. Qe5 Rxh6 24. Bxh6 gxh6 25. Rxh6 O-O-O 26. Ne2 Qc7 27. Qxc7+ Kxc7 28. Rxg6 Be8 29. Rxd8 Bxg6 30. Ra8 Bd6 31. Rh8 Kd7 32. Kc1 Be8 33. Kd2 Be5 34. Rh7+ Kd6 35. c3 Bc6 36. f4 Bf6 37. Nc1 Bb5 38. Rh6 Bg7 39. Rg6 Bf8 40. c4 Bc6 41. Nd3 a5 42. Ne5 Be4 43. Nf7+ Kd7 44. Ng5 e5 45. Nxe4 fxe4 46. f5 |
| ECO B33 in 1992 play it! wolff p defeats black's kuijf m in 73 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bd3 Bb7 12. Qe2 Ng6 13. c4 b4 14. Nc2 a5 15. f3 h6 16. Be3 Nd7 17. O-O O-O 18. Qd2 Qc7 19. Rfd1 Nc5 20. Bf1 Rad8 21. Qf2 Ne7 22. g4 Qc6 23. b3 Rb8 24. Rd2 Nxe4 25. fxe4 Qxe4 26. Qg2 Qh7 27. Qh3 f5 28. gxf5 Nxf5 29. Bg2 Qg6 30. Kh1 Qf7 31. Bxb7 Qxb7+ 32. Qg2 e4 33. Rd5 a4 34. Qg4 Qd7 35. Nd4 h5 36. Qh3 g6 37. Rg1 |
| ECO B57 in 1988 play it! wolff p defeats black's inkiov v in 117 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. O-O-O Na5 10. Bd3 b5 11. a3 Bb7 12. g4 Rc8 13. g5 Nd7 14. f4 Nc4 15. Ndxb5 axb5 16. Nxb5 Qb8 17. Bxc4 Bxe4 18. Rhe1 d5 19. Bd3 Bxd3 20. Qxd3 Be7 21. Nd4 O-O 22. f5 Ne5 23. Qb5 Qc7 24. Bf4 Bd6 25. Qe2 Nc4 26. Bxd6 Qxd6 27. fxe6 Qf4+ 28. Kb1 fxe6 29. Qxe6+ Kh8 30. Nb3 Qxg5 31. Qxd5 Qg6 32. Qd3 Qf6 33. Qd4 Qf5 34. Re2 h6 35. Rg1 Rf7 36. Rge1 Rff8 37. Re7 Rg8 38. R1e2 Qg5 39. h4 Qg3 40. Nc5 Nd6 41. R7e3 Nf5 42. Rxg3 Nxd4 43. Re5 Rgf8 44. b4 Rf2 45. Re4 Nf3 46. Kb2 Rf8 47. a4 Rh2 48. Ne6 Rf6 49. Nxg7 Rc6 50. Rxf3 Rcxc2+ 51. Kb3 Kxg7 52. a5 Ra2 53. Rg4+ Kh7 54. Rf7+ Kh8 55. Rd4 Rhb2+ 56. Kc4 Rc2+ 57. Kb5 Rc8 58. a6 Ra8 59. Rd6 |
| ECO B76 in 1989 play it! wolff p defeats black's watson w in 63 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Bh6 Bxh6 14. Qxh6 Qa5 15. Kb1 Rb8 16. h4 d4 17. b3 Bf5 18. Bd3 Rfc8 19. Bxf5 Qxf5 20. Rd3 Rb5 21. Qd2 Rbc5 22. g4 Qf6 23. h5 e5 24. hxg6 hxg6 25. g5 Qg7 26. c4 a5 27. f4 a4 28. Rdh3 exf4 29. Qh2 Kf8 30. Qxf4 Kg8 31. Qh2 Kf8 32. Rh7 |
| ECO B40 in 1992 play it! wolff p defeats black's brownscombe t in 115 moves | 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Bd3 Nf6 7. O-O Be7 8. Be3 O-O 9. Qe2 Qh5 10. dxc5 Bxc5 11. Bxc5 Qxc5 12. Nbd2 Bd7 13. Rad1 Rad8 14. Ne4 Qe7 15. Nxf6+ Qxf6 16. Be4 Qe7 17. Rfe1 g6 18. Qe3 Kg7 19. h4 a6 20. h5 Bc8 21. Bxc6 bxc6 22. Ne5 Bb7 23. Ng4 Rxd1 24. Rxd1 Rd8 25. Rxd8 Qxd8 26. Qe5+ Kf8 27. Nf6 gxh5 28. Nxh7+ Ke7 29. Qg5+ Kd7 30. Qxh5 Qe7 31. Ng5 f6 32. Ne4 f5 33. Nd2 c5 34. Qe2 Qg5 35. f3 Bd5 36. c4 Bb7 37. Nb3 Qe7 38. Qe3 Kc6 39. Na5+ Kc7 40. a3 Qd6 41. b4 cxb4 42. Qa7 Qd1+ 43. Kh2 Qd6+ 44. Kh3 Qb6 45. Qxb6+ Kxb6 46. axb4 Bc8 47. f4 Kc7 48. c5 Bd7 49. Nc4 Bc6 50. Ne5 Be4 51. g3 Kd8 52. Kh4 Ke7 53. Kg5 Bd5 54. Kg6 Be4 55. Kg7 Bd5 56. Ng6+ Kd7 57. Kf6 Bc4 58. Ne5+ |
| ECO B32 in 1990 play it! wolff p defeats black's tisdall j in 57 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 Be6 7. N1c3 a6 8. Na3 Rc8 9. Bc4 Nf6 10. O-O Be7 11. Bg5 O-O 12. Bxf6 Bxf6 13. Nd5 Bg5 14. c3 Kh8 15. Qd3 f5 16. Ne3 fxe4 17. Qxe4 Rf4 18. Qd3 Qg8 19. Bxe6 Qxe6 20. Qd5 Qg6 21. Rad1 Rcf8 22. Nac4 e4 23. Qxd6 b5 24. Qxg6 hxg6 25. axb5 axb5 26. Rd5 bxc4 27. Rxg5 Rb8 28. g3 Rf6 29. Nxc4 |
| ECO B47 in 1989 play it! wolff p defeats black's stone r in 75 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. f4 b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. Qd3 Qc7 11. a3 d6 12. f5 e5 13. Bg5 Be7 14. h4 Nf6 15. O-O-O O-O-O 16. g4 Kb8 17. Qe2 Rc8 18. Kb1 Qa5 19. Rd3 Rc4 20. Rhd1 Rhc8 21. Qe3 Bd8 22. Bxf6 gxf6 23. Qd2 b4 24. axb4 Qxb4 25. Nd5 Qc5 26. Ne3 Ba5 27. Qe2 Rxe4 28. Bxe4 Bxe4 29. Nd5 Bxd3 30. Rxd3 Bd8 31. Qd1 Qf2 32. Ne3 Ka7 33. Ra3 Bb6 34. Qxd6 Qe2 35. Ka2 Rb8 36. Rb3 Qe1 37. Nc4 Qg1 38. Nxb6 |
| ECO B30 in 1992 play it! wolff p defeats black's polgar zs in 93 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. a4 a6 5. Bxc6 Qxc6 6. Nc3 e6 7. O-O d6 8. d4 cxd4 9. Nxd4 Qc7 10. Bg5 Be7 11. Bxe7 Qxe7 12. Re1 e5 13. Nd5 Qd8 14. Nf5 Bxf5 15. exf5 Nf6 16. Ra3 O-O 17. Rd3 Rc8 18. b3 b5 19. axb5 axb5 20. g4 Nxd5 21. Rxd5 Qc7 22. Re2 Qc3 23. Rxd6 Ra8 24. Kg2 Ra1 25. Qd2 Qc5 26. f6 gxf6 27. Rxf6 Kh8 28. Qd3 Rg8 29. h3 Qe7 30. Qf5 Qb7+ 31. Qe4 Qxe4+ 32. Rxe4 Kg7 33. Rb6 Rc8 34. Rxb5 Rxc2 35. Rbxe5 Ra7 36. Re7 Rxe7 37. Rxe7 Rb2 38. Re3 Kg6 39. Kg3 Rb1 40. f3 Rb2 41. Kf4 Rh2 42. b4 Rb2 43. Re4 Rb3 44. h4 f6 45. h5+ Kh6 46. Rc4 Rb1 47. Kf5 |
| ECO B33 in 1983 play it! wolff p defeats black's wahls m in 67 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Be7 9. O-O-O O-O 10. Bb3 Qe8 11. Rhg1 Nd7 12. g4 Nc5 13. g5 b5 14. Nxc6 Nxb3+ 15. axb3 Qxc6 16. Qh5 b4 17. Bd4 Bb7 18. Nd5 exd5 19. c3 Rfe8 20. Rg4 Bd8 21. Rh4 dxe4 22. Qxh7+ Kf8 23. Bxg7+ Ke7 24. Qf5 Rg8 25. Bf6+ Ke8 26. g6 Qd7 27. gxf7+ Qxf7 28. Rh7 Bc8 29. Qxe4+ Qe6 30. Qc6+ Bd7 31. Rxd7 Qxd7 32. Re1+ Kf8 33. Qxd7 Bxf6 34. Qxd6+ |
| ECO B57 in 1990 play it! wolff p defeats black's masculo jose in 59 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. O-O-O Be7 10. Bb3 Na5 11. g4 b5 12. g5 Nxb3+ 13. axb3 Nd7 14. h4 b4 15. Na4 Nc5 16. h5 Bd7 17. Kb1 Rc8 18. g6 Bf6 19. gxf7+ Kxf7 20. e5 Bxe5 21. Nxc5 dxc5 22. Nf3 Bf6 23. Bf4 Bb5 24. Qe3 Qb7 25. Ne5+ Bxe5 26. Bxe5 h6 27. Rhg1 Rhg8 28. Rg6 Rce8 29. Qf4+ Ke7 30. Rxg7+ |
| ECO B67 in 1991 play it! wolff p defeats black's fedorowicz j in 89 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. Qe1 Be7 14. f5 Qc5 15. Bd3 b4 16. Ne2 e5 17. Nc1 a5 18. Qe2 a4 19. Bc4 Rc8 20. Bd5 Bb5 21. Nd3 Qd4 22. Rd2 a3 23. Qf2 Qxf2 24. Rxf2 Bxd3 25. cxd3 Bd8 26. Rc2 Rxc2 27. Kxc2 axb2 28. Rb1 Ke7 29. Rxb2 Ba5 30. Kb3 Bb6 31. Ka4 Kd7 32. Rxb4 Kc7 33. Bxf7 Ra8+ 34. Kb3 Bc5 35. Rb5 Ra3+ 36. Kc2 Bd4 37. Bd5 Kc8 38. g4 h6 39. Kd2 Ra7 40. Be6+ Kc7 41. h4 Kc6 42. Rb8 Rg7 43. Bd5+ Kc5 44. a4 Bf2 45. d4+ |