| ECO A80 in 1996 play it! naumkin igor defeats black's corvi marco in 75 moves | 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. c4 c6 6. O-O Bd6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 Bd7 11. Qb2 Be8 12. Ne5 Nbd7 13. Nd3 g5 14. e3 Bg6 15. Rad1 h6 16. Rfe1 Qh7 17. Ne5 Ng4 18. Nxd7 Qxd7 19. f3 Nf6 20. Nc2 Qd6 21. c5 Qc7 22. Nb4 Rae8 23. Nd3 Nd7 24. f4 Nf6 25. b4 Bh5 26. Rb1 a6 27. a4 gxf4 28. exf4 Re7 29. b5 axb5 30. axb5 Be8 31. bxc6 Bxc6 32. Ne5 Ne4 33. Ng6 Rg7 34. Nxf8 Kxf8 35. Ra1 h5 36. Ra8+ Ke7 37. Bxe4 dxe4 38. d5 |
| ECO A80 in 1998 play it! naumkin igor defeats black's anceschi vittori in 63 moves | 1. d4 f5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 d5 5. c4 e6 6. e3 c6 7. Bd3 Nd7 8. h3 Ndf6 9. O-O Bd6 10. Ne5 Bxe5 11. Bxe5 O-O 12. f3 Nd6 13. Nd2 Nf7 14. Bh2 b6 15. Rc1 c5 16. Nb3 Qe7 17. dxc5 bxc5 18. cxd5 exd5 19. Nxc5 Qxe3+ 20. Kh1 f4 21. Re1 Qf2 22. Bxf4 Nh5 23. Re2 Qh4 24. Bh2 Bxh3 25. Qe1 Qf6 26. gxh3 Qxf3+ 27. Rg2 Rae8 28. Qf2 Re3 29. Qxf3 Rxf3 30. Be2 Rxh3 31. Bxh5 Rxh5 32. Ne6 |
| ECO A80 in 1999 play it! naumkin igor defeats black's luciani valerio in 75 moves | 1. d4 f5 2. Nf3 g6 3. Bf4 d6 4. Nbd2 Nf6 5. h3 Bg7 6. e3 O-O 7. Bd3 Qe8 8. Bh2 Nc6 9. c3 e5 10. dxe5 dxe5 11. Bb5 Nh5 12. Bxc6 Qxc6 13. Nxe5 Qxg2 14. Qb3+ Kh8 15. O-O-O Bf6 16. Ndf3 Qxf2 17. Rhe1 Qg2 18. Bf4 Nxf4 19. exf4 Qf2 20. h4 Bxe5 21. Nxe5 Qxf4+ 22. Kb1 Kg7 23. h5 a5 24. hxg6 hxg6 25. Qa3 Re8 26. Qc5 c6 27. Nxg6 Rxe1 28. Nxf4 Rxd1+ 29. Kc2 Re1 30. Qd6 Kf7 31. Qg6+ Ke7 32. Qg7+ Kd8 33. Nd3 Re7 34. Qf8+ Kd7 35. Nc5+ Kd6 36. Na4 Rb8 37. Qh6+ Kd7 38. Qf4 |
| ECO A80 in 1986 play it! naumkin igor defeats black's berkovich mark a in 107 moves | 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 O-O 6. Nc3 d6 7. d5 c6 8. Nd4 Qb6 9. O-O Ne4 10. Nxe4 Qxd4 11. Qxd4 Bxd4 12. Rd1 c5 13. Ng5 a5 14. Rb1 Na6 15. a4 Nb4 16. Bd2 Bd7 17. Bxb4 axb4 18. b3 f4 19. gxf4 Bf5 20. e3 Bxb1 21. Rxb1 Bc3 22. Ne6 Rf6 23. Be4 Kf7 24. h4 Rb8 25. Ng5+ Kg8 26. Kh2 Kg7 27. Rd1 Rh8 28. Kh3 Kf8 29. Rg1 Ke8 30. Rg3 h6 31. Ne6 g5 32. f5 gxh4 33. Kxh4 h5 34. Rg6 Be1 35. Rg2 Rfh6 36. Bd3 b6 37. Nf4 Bc3 38. Ng6 Bf6+ 39. Kh3 Rg8 40. f4 h4 41. e4 Bd4 42. Rg4 Kf7 43. e5 Rh5 44. Rg2 Rh6 45. Re2 Re8 46. f6 Rxg6 47. Bxg6+ Kxg6 48. Rg2+ Kh6 49. f7 Rf8 50. e6 Kh7 51. f5 Bf6 52. Rg6 Bg7 53. f6 exf6 54. Rg2 |
| ECO A80 in 1997 play it! naumkin igor defeats black's passerotti pierl in 75 moves | 1. d4 f5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 d6 5. e3 Nd7 6. h3 Ndf6 7. Bd3 g6 8. c3 Be6 9. Nbd2 Nxd2 10. Nxd2 Bg7 11. e4 fxe4 12. Nxe4 Nxe4 13. Bxe4 Qd7 14. O-O O-O 15. Bg3 c6 16. Re1 Rf7 17. Qe2 Bf5 18. Bxf5 Qxf5 19. Rad1 a6 20. Rd3 Qd5 21. a3 b5 22. Re3 Bf6 23. Re4 Rd8 24. Qg4 Qf5 25. Qd1 Qd5 26. Qe2 Rd7 27. Bh4 Bxh4 28. Rxh4 Rd8 29. Re4 Re8 30. Re6 Kh8 31. Qe3 Kg7 32. Qg3 Kf8 33. Qh4 a5 34. Rxg6 Rd8 35. Rg5 Qb3 36. d5 Ke8 37. Rg8+ Kd7 38. Qg4+ |
| ECO A40 in 2000 play it! naumkin igor defeats black's chatalbashev bor in 81 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 e6 6. Nf3 exd5 7. cxd5 a6 8. a4 Bg4 9. Be2 Bxf3 10. Bxf3 Nd7 11. O-O Ne7 12. a5 O-O 13. Bg4 Ne5 14. Be2 f5 15. f4 Nd7 16. g4 Bd4+ 17. Kh1 Nf6 18. exf5 gxf5 19. g5 Ne4 20. Nxe4 fxe4 21. Qc2 Qd7 22. Qxe4 Rae8 23. Qe6+ Qxe6 24. dxe6 Kg7 25. Bd2 Nf5 26. Bc4 Ne3 27. Bxe3 Bxe3 28. Rae1 Rxf4 29. Rxf4 Bxf4 30. Rf1 Bxg5 31. Rf7+ Kg6 32. Bd3+ Kh5 33. Rxh7+ Kg4 34. Rf7 d5 35. Be2+ Kh3 36. Rh7+ Bh4 37. Rxb7 c4 38. Rg7 Bd8 39. Rg3+ Kh4 40. Rg4+ Kh3 41. Rf4 |
| ECO A40 in 1995 play it! naumkin igor defeats black's rustemov alexand in 85 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. Nf3 d6 7. h4 Nf6 8. Ng5 Qa5 9. Bd2 h6 10. Nh3 Nbd7 11. f3 Ne5 12. Nf4 Bd7 13. a4 O-O-O 14. Qb3 g5 15. Nd3 Nf7 16. Rb1 b6 17. Ra1 e5 18. dxe6 Bxe6 19. Qb5 Kc7 20. Kf2 a6 21. Qb2 Nd7 22. Nc1 Bxc4 23. Nb3 Bxb3 24. c4 Qxa4 25. Rxa4 Bxa4 26. hxg5 hxg5 27. Rxh8 Rxh8 28. Bxg5 Ra8 29. Bc1 Nde5 30. Qb1 Bd7 31. e4 fxe4 32. Qxe4 Re8 33. Qh7 b5 34. cxb5 axb5 35. Be2 Re6 36. f4 Rh6 37. Qg8 Rg6 38. Qa8 Ng4+ 39. Kg1 Nf6 40. Qa5+ Kc8 41. Bxb5 Bxb5 42. Qxb5 Kd8 43. Qc4 |
| ECO A40 in 2003 play it! naumkin igor defeats black's marzano carlo in 133 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 8. Nxc6 Nxc6 9. Be2 O-O 10. O-O f5 11. exf5 Bxf5 12. Qd2 Qf6 13. Rad1 Kh8 14. Nd5 Qf7 15. b4 b6 16. g4 Be6 17. f4 Qd7 18. h3 a5 19. b5 Bxd5 20. Qxd5 Ne7 21. Qd3 Qe6 22. Bf3 Rae8 23. Rfe1 Qf7 24. Bc1 Bh6 25. Re4 Ng8 26. g5 Bg7 27. Rde1 Rxe4 28. Qxe4 Qf5 29. Qxf5 Rxf5 30. Bd5 Rf8 31. Kg2 Bc3 32. Re2 Kg7 33. h4 h5 34. a4 Ba1 35. Kf3 Bc3 36. Re6 Rf7 37. Re3 Bd4 38. Rd3 Ba1 39. Bxf7 Kxf7 40. c5 dxc5 41. Rd7+ Ne7 42. Rxc7 Ke6 43. Ke4 Bd4 44. Bd2 Nf5 45. Rc6+ Nd6+ 46. Kf3 Kd5 47. f5 Nxf5 48. Rxb6 c4 49. Rc6 Bb2 50. Kf2 Nxh4 51. Bxa5 Nf5 52. Rxg6 Bd4+ 53. Ke2 Be5 54. Rg8 h4 55. Rd8+ Ke4 56. Re8 h3 57. Bc7 h2 58. Rxe5+ Kd4 59. Rd5+ Kxd5 60. Bxh2 Nd4+ 61. Kd1 Ke4 62. g6 Kd3 63. g7 c3 64. Bf4 Ne2 65. g8=Q c2+ 66. Ke1 Nxf4 67. Qb3+ |
| ECO A40 in 1992 play it! naumkin igor defeats black's maciejewski andr in 83 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 c6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 Qb6 8. d5 Qb4 9. Be2 Bxc3+ 10. bxc3 Qxc3+ 11. Bd2 Qd4 12. Rb1 Nf6 13. Rxb7 Nbd7 14. f3 Nc5 15. Rb1 Nd3+ 16. Bxd3 Qxd3 17. Qb3 Qxb3 18. Rxb3 O-O 19. Ke2 Rfc8 20. Rb7 Kf8 21. g4 Ke8 22. Rc1 Nd7 23. h4 Nc5 24. Rb4 Kd7 25. Be3 cxd5 26. cxd5 Rab8 27. Rcb1 Rxb4 28. Rxb4 e6 29. g5 exd5 30. exd5 Re8 31. Rf4 Re7 32. Kd2 Ke8 33. Bxc5 dxc5 34. Kd3 Rb7 35. Ra4 Ke7 36. Kc4 Kd6 37. a3 Ke5 38. f4+ Kxf4 39. Kxc5+ Ke5 40. d6 Rd7 41. Rd4 Rd8 42. d7 |
| ECO A40 in 2000 play it! naumkin igor defeats black's nannelli paolo in 67 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nf6 7. Be2 O-O 8. O-O Re8 9. f3 Nh5 10. g4 Nf6 11. Be3 h5 12. g5 Nh7 13. f4 Bh3 14. Rf2 c6 15. Kh1 Qe7 16. Qd2 Na6 17. Rg1 Nc5 18. Bf3 Bg4 19. Bg2 Nxe4 20. Nxe4 d5 21. cxd5 cxd5 22. f5 Bxd4 23. fxg6 fxg6 24. Nf6+ Nxf6 25. Qxd4 Qxe3 26. Qxf6 Qd3 27. Qf7+ Kh8 28. Qxb7 Bf5 29. Rf3 Qd2 30. Rxf5 gxf5 31. g6 Qh6 32. Bxd5 Qg7 33. Qb3 f4 34. Qf3 |
| ECO A40 in 1998 play it! naumkin igor defeats black's ptaschinski dirk in 57 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 Nd7 6. Nf3 Ngf6 7. Be2 O-O 8. O-O Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 Ne8 12. Nd2 f5 13. exf5 gxf5 14. f4 e4 15. b3 Qf6 16. Rac1 Qxc3 17. Qxc3 Bxc3 18. Rxc3 b6 19. Bd4 Nf6 20. Rfc1 Bd7 21. Nf1 Be8 22. Rh3 Kh7 23. Rcc3 Ncd7 24. Rh4 Bg6 25. Rg3 Ng8 26. Ne3 Rad8 27. Bh5 Ne7 28. Rgh3 Rg8 29. Bd1 |
| ECO A40 in 2001 play it! naumkin igor defeats black's ruzza c in 57 moves | 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nc6 5. d5 Nd4 6. Be3 c5 7. Nge2 Nxe2 8. Bxe2 Nf6 9. O-O O-O 10. Qd2 Ne8 11. f4 f5 12. Bf3 Nc7 13. exf5 gxf5 14. Ne2 b5 15. Ng3 bxc4 16. Nh5 Bh8 17. Be2 Qe8 18. Rf3 h6 19. Rh3 Rb8 20. Bxc4 Rxb2 21. Qe1 Kh7 22. Rb1 Rxb1 23. Qxb1 Bd7 24. g4 Qg6 25. g5 hxg5 26. Nf6+ Kg7 27. Nxd7 gxf4+ 28. Kh1 fxe3 29. Nxf8 |
| ECO A40 in 1998 play it! naumkin igor defeats black's blanc sebastien in 49 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 f5 5. Qc2 Nf6 6. Nf3 O-O 7. g3 d6 8. Bg2 Na6 9. O-O Rb8 10. Nd2 Nc7 11. b3 e6 12. dxe6 Bxe6 13. Bb2 b5 14. Nxb5 Nxb5 15. cxb5 Rxb5 16. Rad1 Rb6 17. Nc4 Bxc4 18. Qxc4+ Kh8 19. Rd2 Qe7 20. Rfd1 Ne8 21. Ba3 Bd4 22. Rxd4 cxd4 23. Qxd4+ Qf6 24. Bb2 d5 25. Qd2 |
| ECO A40 in 2000 play it! naumkin igor defeats black's faybish nimrod in 81 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 Nd7 6. Be2 Ne7 7. d5 O-O 8. h4 Nf6 9. Nd2 c6 10. h5 b5 11. hxg6 hxg6 12. dxc6 b4 13. Nd5 Nxc6 14. Nxf6+ Bxf6 15. Nf3 Nd4 16. Nxd4 exd4 17. Qd2 Re8 18. f3 Rb8 19. Qh6 Re5 20. Bf4 Rc5 21. Bd3 Be6 22. b3 Bg7 23. Qh7+ Kf8 24. Bh6 Bxh6 25. Qxh6+ Ke7 26. Qg7 Kd7 27. f4 a5 28. Qxd4 a4 29. Rd1 Qb6 30. Be2 Ke7 31. g4 axb3 32. axb3 Ra5 33. Qd2 f6 34. g5 fxg5 35. f5 gxf5 36. Rh7+ Kf6 37. Rh6+ Ke5 38. Qxg5 Rg8 39. Qf6+ Kf4 40. Rh4+ Rg4 41. Rxg4+ |
| ECO A40 in 2001 play it! naumkin igor defeats black's mauro alan in 121 moves | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 8. Nxc6 Nxc6 9. Qd2 Be6 10. Be2 O-O 11. O-O a6 12. Rad1 Ne5 13. b3 Qe7 14. h3 f5 15. f4 Nc6 16. exf5 Bxf5 17. Bf3 Rae8 18. Bf2 Kh8 19. Nd5 Qd8 20. Rfe1 Be6 21. b4 Qd7 22. b5 axb5 23. cxb5 Bxd5 24. Qxd5 Nd8 25. Rxe8 Rxe8 26. b6 cxb6 27. Qxd6 Qxd6 28. Rxd6 Ne6 29. Bxb7 Nxf4 30. Bxb6 Ne2+ 31. Kf2 Nc3 32. a3 Nb5 33. Rd3 Rb8 34. Bc5 Rxb7 35. Rd8+ Bf8 36. Rxf8+ Kg7 37. Rf3 h5 38. a4 Nc7 39. Bd4+ Kg8 40. Rf6 Rb4 41. Rxg6+ Kh7 42. Rg7+ Kh6 43. Rd7 Kg6 44. a5 Ne6 45. Be3 Ra4 46. Rd6 Kf5 47. Bd2 Ke5 48. Rb6 Ra2 49. Ke1 Nc5 50. Bc3+ Ke4 51. Kf1 Rc2 52. Rb4+ Kd3 53. Be1 Ne4 54. Rb3+ Kc4 55. Ra3 Kb5 56. a6 Rc8 57. a7 Ra8 58. Ke2 Kb6 59. Kf3 Nd6 60. Bf2+ Kc6 61. Ra6+ |
| ECO A42 in 1989 play it! naumkin igor defeats black's pribyl martin in 63 moves | 1. d4 d6 2. c4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. d5 Qc7 9. Be3 Rd8 10. Nd2 Nf8 11. Kh1 Ng6 12. g3 Bd7 13. Rc1 Rac8 14. f4 exf4 15. gxf4 Re8 16. Rg1 Kh8 17. Rg3 Bf8 18. Qg1 Qa5 19. Bd4 Qd8 20. Rf1 Qe7 21. Bd3 a6 22. Rg5 c5 23. Be3 b5 24. b3 b4 25. Nd1 a5 26. Nf2 a4 27. Nf3 Nxe4 28. Bxe4 f5 29. Rxg6 fxe4 30. Ng5 Bf5 31. Re6 Bxe6 32. dxe6 |
| ECO A41 in 1995 play it! naumkin igor defeats black's cugini werter in 39 moves | 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 c5 7. d5 Na6 8. O-O Nc7 9. h3 a6 10. a4 b6 11. Bf4 Bd7 12. e5 dxe5 13. Nxe5 Nce8 14. Re1 Nd6 15. Bd3 b5 16. axb5 Nh5 17. Bh2 Bxe5 18. Rxe5 axb5 19. Rxa8 Qxa8 20. Rxe7 |
| ECO A41 in 1990 play it! naumkin igor defeats black's miles anthony j in 57 moves | 1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. Qb3 Rb8 5. h3 Bh5 6. g4 Bg6 7. Bg2 e5 8. Nc3 Ngf6 9. Be3 exd4 10. Bxd4 Nc5 11. Qd1 Be7 12. b4 Na6 13. Qa4+ Nd7 14. Bxg7 Rg8 15. Bh6 c5 16. a3 Bf6 17. Rc1 cxb4 18. axb4 Rc8 19. Nb5 Qe7 20. Rd1 Rc6 21. O-O Be4 22. Qb3 Rg6 23. Bf4 Bh8 24. Nxa7 h5 25. Nxc6 bxc6 26. g5 Nc7 27. Qe3 c5 28. Bxd6 Rxd6 29. Rxd6 |
| ECO A41 in 1987 play it! naumkin igor defeats black's jansa vlastimil in 115 moves | 1. d4 d6 2. Nf3 Bg4 3. c4 Bxf3 4. exf3 g6 5. Nc3 Bg7 6. Be3 c6 7. Be2 Nf6 8. O-O O-O 9. d5 Nbd7 10. f4 cxd5 11. cxd5 Qa5 12. a3 Rfc8 13. Bd4 Ne8 14. Bxg7 Nxg7 15. Bg4 f5 16. Bf3 Rxc3 17. bxc3 Qxc3 18. Re1 Qf6 19. Re3 Nc5 20. Rb1 Rc8 21. Qe2 Rc7 22. Re1 Kf8 23. g4 fxg4 24. Bxg4 Nf5 25. Bxf5 gxf5 26. Rg3 Ne4 27. Rg2 Qh4 28. Qe3 b6 29. Rc1 Qh5 30. h3 Rc5 31. Kh2 Rxc1 32. Qxc1 Kf7 33. Qc8 Nf6 34. Qe6+ Kf8 35. Rg3 b5 36. Rc3 a5 37. Rc7 Qf7 38. Rc8+ Kg7 39. Qxf5 Qxd5 40. Qxd5 Nxd5 41. Ra8 a4 42. Rb8 Nc3 43. Kg3 d5 44. f5 d4 45. Kf4 Kf6 46. h4 h5 47. Rb6+ Kf7 48. Rh6 Nb1 49. Ke5 d3 50. Rh7+ Kf8 51. Ke6 b4 52. Rxe7 bxa3 53. f6 a2 54. f7 Kg7 55. Re8 a1=Q 56. f8=Q+ Kg6 57. Qf5+ Kh6 58. Qg5+ |
| ECO A41 in 1998 play it! naumkin igor defeats black's teodorescu flori in 67 moves | 1. d4 d6 2. Nf3 Bg4 3. c4 Nf6 4. Qb3 Qc8 5. h3 Bf5 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. Nh4 Nc6 10. Nxf5 Qxf5 11. e3 Rad8 12. Bd2 e5 13. d5 Nd4 14. exd4 exd4 15. Ne2 Rfe8 16. Kf1 Ne4 17. Be1 Nxf2 18. Bxf2 Rxe2 19. Kxe2 Re8+ 20. Kf1 Re3 21. Qd1 Rxg3 22. Kg1 Rg5 23. h4 Rg4 24. Rh3 Be5 25. Qd3 Qd7 26. b3 f5 27. Kh1 f4 28. Rg1 c5 29. dxc6 bxc6 30. Bf1 h5 31. Be2 Kf7 32. Qf3 Rxg1+ 33. Kxg1 c5 34. Rh2 |