| ECO A06 in 1991 play it! n n defeats black's superforte by checkmate in 129 moves | 1. Nf3 d5 2. c3 Nf6 3. b4 Bg4 4. e3 e5 5. Be2 e4 6. Nd4 Bxe2 7. Nxe2 Be7 8. Bb2 O-O 9. a4 a5 10. b5 c6 11. Na3 Nbd7 12. O-O Ne5 13. Nf4 Qc7 14. d4 exd3 15. Nxd3 Neg4 16. g3 Rad8 17. bxc6 bxc6 18. Qe2 Rfe8 19. c4 Bxa3 20. Rxa3 d4 21. Nf4 dxe3 22. fxe3 Qb6 23. Kh1 Ne4 24. Rd3 Rxd3 25. Qxg4 Qxb2 26. Nxd3 Qb7 27. Qf5 c5 28. Qd5 Qxd5 29. cxd5 c4 30. Ne1 c3 31. Nc2 h6 32. Rb1 Kh7 33. Kg1 f5 34. Rb5 Ra8 35. Kg2 Ra6 36. Kf3 g5 37. g4 Nd6 38. Rb3 fxg4+ 39. Kxg4 Ne4 40. Kf5 Nd6+ 41. Ke5 Nc4+ 42. Kd4 Nb2 43. Ra3 Nd1 44. Ra1 Nf2 45. Kxc3 Ne4+ 46. Kd4 Nf2 47. e4 Ng4 48. h3 Nf2 49. e5 Nxh3 50. e6 Kg7 51. Re1 Ra8 52. d6 Rf8 53. e7 Rf4+ 54. Kc5 Rf2 55. e8=Q Rxc2+ 56. Kb6 Kf6 57. Qe5+ Kg6 58. Qe4+ Kf6 59. Qxc2 Nf4 60. Qc4 h5 61. d7 Kg6 62. d8=Q Nd5+ 63. Qcxd5 g4 64. Q8g5+ Kh7 65. Qdg8# |
| ECO A06 in 1991 play it! n n defeats black's superforte by checkmate in 123 moves | 1. Nf3 d5 2. b4 Nf6 3. Bb2 e6 4. a3 c5 5. bxc5 Bxc5 6. d4 Bb6 7. e3 Nc6 8. Bd3 O-O 9. Nbd2 Bd7 10. c3 Qe7 11. Qc2 Rac8 12. O-O Qd6 13. Rfc1 h6 14. Qd1 Rc7 15. c4 Qe7 16. c5 Ba5 17. Nb3 Rfc8 18. Ne5 Qd8 19. Rab1 Be8 20. Nxc6 Rxc6 21. Nxa5 Qxa5 22. Bc3 Qc7 23. Bb5 Qe7 24. Bxc6 bxc6 25. Qe2 Ne4 26. Qa6 Qd7 27. f3 Nf6 28. Rb7 Rc7 29. Rcb1 Qe7 30. Rxc7 Qxc7 31. Rb7 Qd8 32. Ba5 Qc8 33. Qxa7 Nd7 34. Rc7 Qd8 35. Qb7 Nf6 36. Qc8 Qxc8 37. Rxc8 Kh7 38. Bc7 Kg6 39. Be5 Bd7 40. Rd8 Nh7 41. Rxd7 f6 42. Bd6 Ng5 43. Rc7 Kf5 44. h4 e5 45. g4+ Kg6 46. hxg5 exd4 47. exd4 f5 48. a4 fxg4 49. Rxc6 Kxg5 50. a5 gxf3 51. a6 Kf5 52. a7 g5 53. Ra6 h5 54. a8=Q Ke4 55. c6 g4 56. c7 g3 57. Qe8+ Kxd4 58. Qe5+ Kd3 59. Ra3+ Kc2 60. c8=Q+ Kd2 61. Bb4+ Kd1 62. Rd3# |
| ECO A04 in 1994 play it! n n defeats black's chessmaster000 0 by checkmate in 101 moves | 1. Nf3 e6 2. g3 d5 3. a3 Nf6 4. b4 Bd6 5. Bb2 a5 6. b5 Nbd7 7. d3 O-O 8. c4 dxc4 9. dxc4 Nc5 10. Qc2 Qe7 11. Nc3 Rd8 12. Bg2 Bd7 13. Rd1 e5 14. e4 Qe6 15. Ng5 Qg4 16. Bc1 Be8 17. Bh3 Qh5 18. Bg2 Ng4 19. Bf3 f6 20. Bxg4 Qxg4 21. h3 Qh5 22. g4 Qg6 23. Nf3 Qf7 24. Nd5 Qg6 25. Nd2 c6 26. bxc6 bxc6 27. Ne3 Ra7 28. Nf5 Bf7 29. O-O Bb8 30. Rde1 Nd3 31. Re3 Nxc1 32. Rxc1 Rad7 33. Nf3 Ba7 34. N3h4 Qg5 35. c5 Rd2 36. Qa4 Qf4 37. Rf3 Qg5 38. Rcc3 Rd1+ 39. Kg2 h5 40. Ne7+ Kh8 41. Nhf5 hxg4 42. Rg3 gxh3+ 43. Kh2 Qf4 44. Rf3 Qxf3 45. Rxf3 R1d3 46. Rxd3 Rxd3 47. Qxc6 Rb3 48. Qc8+ Kh7 49. Qf8 Rg3 50. fxg3 Bb6 51. Qxg7# |
| ECO A06 in 1993 play it! n n defeats black's knightstalker 0 by checkmate in 103 moves | 1. Nf3 d5 2. b4 e6 3. a3 Bd6 4. Bb2 Nf6 5. e3 c5 6. c3 O-O 7. Be2 a5 8. b5 e5 9. c4 e4 10. Ng1 Be6 11. cxd5 Nxd5 12. a4 Qg5 13. g3 b6 14. f3 Qg6 15. f4 Rd8 16. Qc2 Nd7 17. Nc3 Nb4 18. Qd1 Rac8 19. Rb1 Nf6 20. Ba1 Nbd5 21. Qc2 Be7 22. Bf1 h6 23. Bh3 Bxh3 24. Nxh3 Bd6 25. O-O Nb4 26. Qd1 Nd3 27. Qe2 Rd7 28. Kh1 c4 29. Qg2 Re7 30. Nf2 Rc5 31. Rg1 Rcc7 32. Qf1 Bb4 33. Qe2 Red7 34. Rg2 Rd8 35. Rbg1 Rcd7 36. Rd1 Bd6 37. g4 Nxf2+ 38. Qxf2 Nxg4 39. Qe2 f5 40. Rdg1 Qe6 41. h3 Nf6 42. Rg6 Kh7 43. Qg2 Bf8 44. Nd5 Qxd5 45. Rxh6+ Kg8 46. Bxf6 Ra8 47. Qg6 Qc5 48. Qh7+ Kf7 49. Rxg7+ Bxg7 50. Qxg7+ Ke6 51. Bd4+ Kd5 52. Qe5# |
| ECO A04 in 1993 play it! n n defeats black's knightstalker 0 by checkmate in 95 moves | 1. Nf3 Nh6 2. Ng1 Ng8 3. b4 e5 4. Bb2 Bxb4 5. Bxe5 Nf6 6. Nf3 O-O 7. e3 Nc6 8. Bb2 d5 9. Bb5 Re8 10. O-O Bg4 11. Nc3 Ne4 12. Nxe4 dxe4 13. Bxc6 bxc6 14. a3 Ba5 15. h3 Bxf3 16. gxf3 Bxd2 17. f4 Rb8 18. Bd4 Ba5 19. Qg4 f6 20. Kh2 Bb6 21. Bc3 Qe7 22. Rg1 Bc5 23. Rg3 Bxa3 24. Rag1 g6 25. f5 Bd6 26. fxg6 Bxg3+ 27. Rxg3 a6 28. gxh7+ Kf7 29. Qg7+ Ke6 30. Qh6 Rh8 31. Rg6 Rxh7 32. Rxf6+ Kd7 33. Qf4 Rbh8 34. Qg4+ Kd8 35. Kg2 Rxh3 36. Kf1 R8h4 37. Qg8+ Kd7 38. Rf7 Rh1+ 39. Ke2 R1h2 40. Be5 Rh1 41. Qf8 Re1+ 42. Kxe1 Rh1+ 43. Ke2 Qxf7 44. Qxf7+ Kd8 45. Qxc7+ Ke8 46. Bf6 Kf8 47. Qe7+ Kg8 48. Qg7# |
| ECO A05 in 1987 play it! n n defeats black's superconstellati by checkmate in 105 moves | 1. Nf3 Nf6 2. b4 d5 3. Bb2 e5 4. b5 e4 5. Nd4 Bc5 6. e3 Bg4 7. Qc1 Nbd7 8. d3 O-O 9. Nd2 Re8 10. dxe4 dxe4 11. N2b3 Bb6 12. a4 Bxd4 13. Nxd4 Qe7 14. h3 Bh5 15. c3 Rad8 16. Bc4 Bg6 17. O-O Ne5 18. Be2 Nd3 19. Bxd3 exd3 20. Ba3 Qd7 21. Rd1 Ne4 22. f3 Ng3 23. Kf2 Nh5 24. e4 Nf6 25. Rxd3 h6 26. Qg1 Bh5 27. Re1 b6 28. Rdd1 Qc8 29. e5 Nh7 30. Rd2 Ng5 31. Kf1 a6 32. Qe3 axb5 33. axb5 c5 34. bxc6 Rd5 35. c4 Rdxe5 36. Qxe5 Rxe5 37. Rxe5 Kh7 38. Re7 Qa6 39. Nb5 Ne6 40. c7 Qa8 41. Rxe6 fxe6 42. Rd8 Qc6 43. c8=Q Qxc8 44. Rxc8 e5 45. Rc6 Bg6 46. Bb2 Bd3+ 47. Kf2 e4 48. Rc7 Kg6 49. Rxg7+ Kf5 50. Nc7 exf3 51. g4+ Kf4 52. Nd5+ Ke4 53. Re7# |
| ECO A06 in 1992 play it! n n defeats black's computer program by checkmate in 69 moves | 1. Nf3 d5 2. b4 e5 3. Bb2 e4 4. Nd4 Bxb4 5. Nc6 Nxc6 6. Bxg7 e3 7. fxe3 Qh4+ 8. g3 Qe4 9. Rg1 Qxe3 10. Rg2 Ne5 11. Rf2 Ng4 12. Rf3 Qe6 13. c3 Bxc3 14. Nxc3 d4 15. Nb5 Qd7 16. Nxd4 f6 17. Bxh8 Qxd4 18. e3 Qd7 19. Qb3 Ne7 20. h3 Nh2 21. Rf2 Nxf1 22. Rxf1 Qxh3 23. O-O-O f5 24. Qb5+ c6 25. Qe5 Qg4 26. Bf6 Qb4 27. Rf4 Qa3+ 28. Kb1 h6 29. Rc1 Bd7 30. Rc3 Qxa2+ 31. Kxa2 O-O-O 32. Qxe7 Rg8 33. Be5 Rxg3 34. Qd6 Rg2 35. Qc7# |
| ECO A21 in 1995 play it! n n defeats black's grandmasterchess by checkmate in 105 moves | 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. Nf3 c6 5. Nc3 Qe7 6. e3 e4 7. d4 Bb4 8. Nd2 Bxc3 9. bxc3 d6 10. Be2 Nf6 11. O-O O-O 12. Ba3 Bf5 13. f3 Nbd7 14. fxe4 Bxe4 15. Bf3 Bd3 16. Re1 Nb6 17. c5 d5 18. cxb6 Qxa3 19. bxa7 Rxa7 20. Qb3 Re8 21. Qxa3 Rxa3 22. c4 dxc4 23. Nb1 Ra5 24. Nc3 Nd5 25. Bxd5 cxd5 26. a4 h6 27. Ra2 Re6 28. Rb2 b6 29. h4 f5 30. h5 f4 31. Kf2 fxe3+ 32. Rxe3 Rf6+ 33. Kg3 Kh7 34. Re7 Rf5 35. Kh4 Rg5 36. g4 Ra6 37. Re6 g6 38. Rexb6 Rxb6 39. Rxb6 gxh5 40. gxh5 Bc2 41. a5 Kg7 42. Rb7+ Kf6 43. a6 Be4 44. a7 Rg8 45. Rb8 Rg4+ 46. Kxg4 Bf5+ 47. Kf4 Be6 48. Rb6 Ke7 49. a8=Q Bd7 50. Nxd5+ Kf7 51. Rf6+ Kg7 52. Qf8+ Kh7 53. Rxh6# |
| ECO A15 in 1993 play it! n n defeats black's superforte mhz c in 56 moves | 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. e3 e6 5. b3 Be7 6. Bb2 a6 7. Be2 O-O 8. Qc2 d5 9. O-O h6 10. d4 dxc4 11. bxc4 cxd4 12. Rad1 e5 13. exd4 Nxd4 14. Nxd4 exd4 15. Na4 Bd7 16. Bxd4 Qc7 17. Nb6 Rad8 18. Rc1 Ng4 19. Bxg4 Bxg4 20. Nd5 Qd7 21. h3 Be6 22. Nxe7+ Qxe7 23. Bb6 Rd7 24. c5 Qg5 25. g4 Rd2 26. Qc3 Rxa2 27. Rc2 Rxc2 28. Qxc2 Qh4 |
| ECO A21 in 1995 play it! n n defeats black's fritz01mhzcg by checkmate in 139 moves | 1. c4 e5 2. Nc3 Bb4 3. Nd5 Ba5 4. b4 c6 5. bxa5 cxd5 6. cxd5 Qxa5 7. Qc2 Na6 8. e4 d6 9. Rb1 Bd7 10. Bd3 Rc8 11. Qb2 Nb4 12. Be2 Qa4 13. d3 Rc2 14. Qa3 Nxa2 15. Qxa4 Bxa4 16. Ba3 Nc3 17. Rxb7 Nb5 18. Bd1 Nxa3 19. Rxa7 Bb5 20. Ra8+ Ke7 21. Rxa3 Rb2 22. Nf3 Nf6 23. O-O Nd7 24. Ba4 Bxa4 25. Rxa4 Rc8 26. Ra7 h6 27. Nh4 g6 28. Rd1 Rcc2 29. f3 Rb4 30. h3 Rbb2 31. Kh2 Ra2 32. Rxa2 Rxa2 33. Kg3 Nf6 34. f4 Nh5+ 35. Kf3 Nxf4 36. d4 Ra3+ 37. Kg4 h5+ 38. Kg5 Rg3+ 39. Kh6 exd4 40. Rxd4 Nxg2 41. Nxg2 Rxg2 42. Rc4 Rb2 43. Rc7+ Kf6 44. Rd7 Rb3 45. Rxd6+ Ke5 46. Rd7 Kxe4 47. d6 Rxh3 48. Re7+ Kd5 49. d7 Kc4 50. d8=Q Rf3 51. Qa5 Rf5 52. Rc7+ Kd3 53. Qc3+ Ke4 54. Re7+ Kd5 55. Kg7 Kd6 56. Qb4+ Kc6 57. Kf8 f6 58. Ke8 Kd5 59. Kd7 Re5 60. Qd2+ Ke4 61. Qe2+ Kf4 62. Qf2+ Kg5 63. Rf7 Rd5+ 64. Ke6 Re5+ 65. Kd6 Rf5 66. Qg3+ Kh6 67. Ke6 Rg5 68. Qf4 f5 69. Kf6 h4 70. Qxg5# |
| ECO A30 in 1993 play it! n n defeats black's superforte mhz c in 50 moves | 1. c4 c5 2. g3 Nf6 3. d3 d5 4. Bg2 Nc6 5. Nd2 e5 6. Ngf3 Be7 7. Nf1 O-O 8. Bd2 d4 9. Bg5 h6 10. Bxf6 Bxf6 11. N1d2 Be6 12. O-O Rb8 13. a3 b5 14. b3 a5 15. Rb1 Bf5 16. Qc2 b4 17. a4 Be7 18. Kh1 Qd7 19. Ng1 Rbc8 20. f3 Qe6 21. Rf2 Rc7 22. Rbf1 Rcc8 23. Ne4 Rc7 24. g4 Bg6 25. Bh3 f5 |
| ECO A10 in 1993 play it! n n defeats black's superfortemhzcg by checkmate in 63 moves | 1. c4 f5 2. Nc3 Nf6 3. Qb3 e6 4. d4 Nc6 5. d5 exd5 6. cxd5 Nb4 7. Bf4 Bc5 8. e3 a5 9. h3 c6 10. d6 b5 11. a3 Nbd5 12. Bh2 Bb7 13. a4 Nxc3 14. bxc3 b4 15. Bc4 Ne4 16. Be5 Qh4 17. Bf7+ Kf8 18. Ra2 Nxd6 19. Nf3 Qh6 20. Bf4 Qf6 21. Ne5 Qe7 22. Bh5 Ba6 23. c4 Rb8 24. O-O Kg8 25. Rd2 Qe6 26. Rfd1 g6 27. g4 gxh5 28. gxf5 Qxf5 29. Rxd6 Bxd6 30. Rxd6 Rb7 31. c5+ Kg7 32. Bh6# |
| ECO A16 in 1994 play it! n n defeats black's grandmasterchess by checkmate in 131 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nh5 10. b4 axb4 11. axb4 f5 12. Nd5 f4 13. b5 Ne7 14. Nxe7+ Qxe7 15. Nd2 Nf6 16. Bb2 Rb8 17. Ra1 fxg3 18. hxg3 Bh6 19. Bc1 Bg4 20. Ra7 b6 21. Bb2 Kh8 22. Nf3 Qf7 23. Qc2 Rbe8 24. Rfa1 Rd8 25. e3 Rde8 26. Nd2 Nh5 27. Ne4 Re7 28. Nc3 Bg7 29. Nd5 Rd7 30. Rb7 Nf6 31. Nb4 h6 32. Raa7 Rc8 33. Na6 Re7 34. f3 Bf5 35. e4 Be6 36. Nb8 Qg8 37. Nc6 Rd7 38. Qf2 Qh7 39. Bf1 Kg8 40. d4 Rf7 41. dxe5 Nxe4 42. Qh2 Rxf3 43. Ne7+ Kf7 44. Nxc8 Rxg3+ 45. Kh1 Rf3 46. Rxc7+ Kf8 47. Bg2 Ng3+ 48. Qxg3 Rxg3 49. exd6 Rd3 50. Bxg7+ Kg8 51. Re7 Rd1+ 52. Kh2 Qxg7 53. Rxg7+ Kf8 54. Rxg6 Bxc8 55. Rxh6 Kg8 56. Bd5+ Rxd5 57. cxd5 Bf5 58. d7 Kg7 59. Re6 Bxe6 60. d8=Q+ Bd7 61. Rxd7+ Kg6 62. Kg3 Kf5 63. Qe8 Kg5 64. Rg7+ Kf6 65. Qe7+ Kf5 66. Rg5# |
| ECO A21 in 1995 play it! n n defeats black's fritz01mhzcg by checkmate in 119 moves | 1. c4 e5 2. Nc3 Bb4 3. g3 Ne7 4. Bg2 O-O 5. Nf3 d6 6. O-O Bxc3 7. bxc3 Nbc6 8. Rb1 b6 9. d3 f6 10. Ne1 Be6 11. Nc2 Qd7 12. Re1 Bh3 13. Bh1 Rae8 14. Nb4 Na5 15. e4 Nac6 16. Nc2 a6 17. Be3 Be6 18. Qe2 Rb8 19. Rb2 Rfd8 20. Reb1 Ng6 21. Ne1 Rb7 22. Bf3 Rdb8 23. Ng2 Qe7 24. Bh5 Bf7 25. Rd1 Kh8 26. f3 Nf4 27. gxf4 Bxh5 28. fxe5 Nxe5 29. Rf1 Re8 30. Rd2 c6 31. Nh4 Qe6 32. Bf4 Qh3 33. Bg3 b5 34. d4 Nxc4 35. Rdd1 d5 36. e5 fxe5 37. dxe5 Rbe7 38. Qg2 Qd7 39. Rde1 Nxe5 40. f4 Nd3 41. Rxe7 Qxe7 42. Nf5 Qc5+ 43. Bf2 Qf8 44. Bd4 Kg8 45. Nxg7 Re2 46. Qg5 Bg6 47. f5 Qb8 48. Qh6 Bf7 49. Ne6 Qxh2+ 50. Qxh2 Rxh2 51. Kxh2 Bxe6 52. fxe6 c5 53. e7 cxd4 54. e8=Q+ Kg7 55. Rf7+ Kh6 56. Qf8+ Kh5 57. Rxh7+ Kg6 58. Qf7+ Kg5 59. Rh5+ Kg4 60. Qf5# |
| ECO A20 in 1993 play it! n n defeats black's superfortemhzcg by checkmate in 101 moves | 1. c4 e5 2. d3 Nc6 3. Bd2 d6 4. g3 Nf6 5. Bg2 Be7 6. Nf3 O-O 7. Na3 Bg4 8. Nc2 d5 9. O-O d4 10. Re1 Bf5 11. Bg5 h6 12. Bd2 Qd7 13. a3 a5 14. Rb1 Bh3 15. Bh1 Ng4 16. e3 dxe3 17. Bxe3 Nxe3 18. Nxe3 Rad8 19. Nd5 Qd6 20. d4 exd4 21. Nxd4 Bg5 22. Nxc6 bxc6 23. Nc3 Qc5 24. Qa4 Bd2 25. Ne4 Qf5 26. Red1 Bg5 27. Qxc6 Rxd1+ 28. Rxd1 Bd8 29. Rd5 Qe6 30. Qxe6 fxe6 31. Rxa5 Kf7 32. b4 Ke7 33. a4 Kd7 34. Nc5+ Ke7 35. Ra7 Bg4 36. b5 Rf5 37. Nb7 Re5 38. Kg2 Re2 39. Ra8 Rd2 40. a5 Rd3 41. h3 Bf3+ 42. Kh2 Bxb7 43. Bxb7 Rc3 44. a6 Rxc4 45. a7 Ra4 46. Ba6 Rxa6 47. bxa6 c5 48. Rc8 Kd7 49. a8=Q Bc7 50. Qb7 c4 51. Qxc7# |
| ECO A21 in 1991 play it! n n defeats black's superfortemhzcg by checkmate in 49 moves | 1. c4 e5 2. Nc3 Bb4 3. Qb3 Nc6 4. Nd5 a5 5. a3 a4 6. Qc2 Ba5 7. e4 Nf6 8. Nf3 O-O 9. Bd3 h6 10. O-O Ra6 11. Nh4 Nxe4 12. Nf5 Nc5 13. Be4 d6 14. f4 Nxe4 15. Qxe4 Bxf5 16. Qxf5 Nd4 17. Qg4 Nb3 18. d4 Nxa1 19. f5 exd4 20. f6 g5 21. Bxg5 h5 22. Qxh5 Bb6 23. Qh6 d3+ 24. Kh1 Qxf6 25. Nxf6# |
| ECO A11 in 1992 play it! n n defeats black's grandmasterchess by checkmate in 95 moves | 1. c4 c6 2. b4 d5 3. e3 e5 4. Bb2 Bxb4 5. Bxe5 f6 6. Bb2 Be6 7. Qb3 Na6 8. cxd5 Bxd5 9. Qc2 Nc5 10. a3 Bb3 11. Qc1 Bxa3 12. Rxa3 Nd3+ 13. Bxd3 Qxd3 14. Nf3 c5 15. Nc3 Bc4 16. Qa1 a6 17. Ra5 b6 18. Qa4+ b5 19. Qd1 Ne7 20. e4 O-O 21. h3 b4 22. Ne2 Qxe4 23. Rxc5 Rfc8 24. Rxc8+ Rxc8 25. Kf1 Nf5 26. d3 Bxd3 27. Nd2 Qd5 28. Kg1 Bc2 29. Qc1 Nd6 30. Nd4 Bd3 31. Qd1 Re8 32. f3 Qa2 33. Bc1 Qd5 34. N2b3 Qc4 35. Bb2 f5 36. Nc1 Bb1 37. f4 Be4 38. Kh2 Qd5 39. Nd3 Bxg2 40. Rg1 Be4 41. Nxb4 Qb7 42. Ndc6 Nf7 43. Qd4 Ne5 44. Nxe5 Kh8 45. Nd7 Rg8 46. Rxg7 Qxd7 47. Rxd7+ Rg7 48. Qxg7# |
| ECO A21 in 1995 play it! n n defeats black's fritz01mhzcg by checkmate in 125 moves | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 4. Nf3 Qe7 5. e3 O-O 6. Ne2 d6 7. a3 Ba5 8. b4 Bb6 9. Nc3 Bg4 10. Ng5 Nbd7 11. h3 Bh5 12. Bd3 h6 13. Nge4 a5 14. b5 Rfe8 15. a4 Bc5 16. Bb2 Bb4 17. Ng3 Nc5 18. Be2 Bg6 19. d3 e4 20. d4 Nd3+ 21. Bxd3 exd3 22. Qd2 Qe6 23. d5 Qd7 24. O-O b6 25. Rac1 Re5 26. f3 Rae8 27. e4 Bc5+ 28. Kh2 Qe7 29. Qxd3 Nh5 30. Nge2 f5 31. Rce1 fxe4 32. fxe4 Bxe4 33. Qd2 Nf6 34. Nf4 Bf5 35. Rxe5 dxe5 36. Re1 Bd4 37. g4 Qb4 38. gxf5 exf4 39. Re6 Bxc3 40. Bxc3 Qxc4 41. Bxf6 Rxe6 42. dxe6 gxf6 43. Qd8+ Kg7 44. Qe7+ Kg8 45. Qf7+ Kh8 46. Qxf6+ Kg8 47. Qg6+ Kh8 48. Qxh6+ Kg8 49. Qg6+ Kh8 50. Qe8+ Kh7 51. Qf7+ Kh8 52. Qf6+ Kh7 53. Qe7+ Kg8 54. Qg5+ Kh7 55. h4 Qc2+ 56. Kh3 Qd3+ 57. Kg4 Qd1+ 58. Kxf4 Qxa4+ 59. Ke5 Qxb5+ 60. Kf6 Qxf5+ 61. Qxf5+ Kh8 62. Qg6 c5 63. Qg7# |
| ECO A25 in 1991 play it! n n defeats black's superfortemhzcg in 102 moves | 1. c4 e5 2. Nc3 Nc6 3. d3 Bb4 4. Bd2 d6 5. e4 Nf6 6. Qc2 O-O 7. Be2 Nd4 8. Qd1 Be6 9. Nf3 Bc5 10. O-O h6 11. a3 Qd7 12. b4 Nxf3+ 13. Bxf3 Bd4 14. Rc1 Rad8 15. Nd5 Ne8 16. Bc3 Bxc3 17. Rxc3 f5 18. b5 Kh8 19. Rb3 c6 20. Nc3 cxb5 21. Nxb5 b6 22. Qe2 Rc8 23. Bh5 Nf6 24. Bg6 fxe4 25. Bxe4 Nxe4 26. Qxe4 Rf5 27. Nc3 Qf7 28. h3 Rf8 29. Rb2 Rf4 30. Qe3 Qh5 31. Re1 Qf5 32. Nb5 Qf6 33. Nxa7 Qf5 34. Nb5 Qg6 35. a4 Rf3 36. Qe4 Qg5 37. h4 Qh5 38. gxf3 Bf5 39. Qe3 Qxh4 40. Nxd6 Bd7 41. Rxb6 Qh5 42. Qxe5 Qxf3 43. Ne4 Kh7 44. Rb7 Re8 45. Qg3 Qf5 46. d4 Re7 47. c5 Qf7 48. d5 Qf5 49. c6 Rxe4 50. Rxe4 Qxe4 51. Rxd7 Qb1+ |
| ECO A31 in 1990 play it! n n defeats black's superforte mhz c by checkmate in 91 moves | 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 O-O 8. e3 e4 9. Nd2 Re8 10. a3 Bf5 11. Bb5 Nbd7 12. Nc4 Rc8 13. b4 Bf8 14. Qb3 a6 15. Bxd7 Bxd7 16. Bb2 Qc7 17. Nd2 a5 18. b5 Bc5 19. Rc1 h6 20. Na4 b6 21. O-O Ng4 22. g3 Qd6 23. Rc2 Nxe3 24. Rxc5 Rxc5 25. Qxe3 Rxb5 26. Nc3 Rxb2 27. Nc4 Qf8 28. Nxb2 f5 29. Ra1 Rc8 30. Qd4 b5 31. Nbd1 Qd6 32. Ne3 b4 33. axb4 axb4 34. Ne2 b3 35. Ra7 g6 36. Rb7 Rd8 37. Nf4 Rc8 38. Nc4 Rxc4 39. Qxc4 b2 40. Rxb2 g5 41. Ne6 Kf7 42. Rb7 Kf6 43. Qd4+ Kf7 44. Qg7+ Ke8 45. Qg8+ Qf8 46. Qxf8# |