| ECO A40 in 1995 play it! naumkin igor defeats white's piantoni roberto in 56 moves | 1. d4 e6 2. Nf3 f5 3. e3 Nf6 4. Bd3 d5 5. O-O Bd6 6. Nc3 O-O 7. Ne2 b6 8. b3 c5 9. Bb2 Nc6 10. c4 Nb4 11. Bb1 dxc4 12. bxc4 Ba6 13. a3 Nc6 14. Ba2 Qe7 15. Qa4 Bb7 16. Ng3 Ng4 17. Qc2 f4 18. exf4 Rxf4 19. d5 Nd4 20. Nxd4 cxd4 21. Qd3 Qh4 22. h3 Nxf2 23. Rxf2 Rxf2 24. Kxf2 Bxg3+ 25. Ke2 exd5 26. Qxd4 Re8+ 27. Kd3 Qe7 28. Kc2 Qe2+ |
| ECO A40 in 1998 play it! naumkin igor defeats white's ljubisavljevic z in 52 moves | 1. d4 e6 2. Nf3 f5 3. Nc3 Bb4 4. Qd3 Nf6 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qe3 O-O 8. Ng5 Nxg5 9. Qxg5 Qe8 10. g4 Nc6 11. c3 f4 12. Bg2 d5 13. Qh5 Qe7 14. g5 Bd7 15. Bf3 Rad8 16. Qh4 Qd6 17. Bd2 e5 18. O-O-O Bf5 19. dxe5 Na5 20. b4 Qc6 21. Bg4 Be4 22. f3 Qa4 23. fxe4 Nc4 24. g6 Qxa3+ 25. Kc2 Qa2+ 26. Kd3 Nxe5+ |
| ECO A40 in 2007 play it! naumkin igor defeats white's khenkin igor in 82 moves | 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 9. e4 fxe4 10. Qc2 e3 11. Bb5+ Bd7 12. Bd3 Na6 13. Bxa6 bxa6 14. Ne2 Qa5 15. O-O Qxc5 16. a4 Rc8 17. Rd1 Qc6 18. Rd4 O-O 19. Rh4 h6 20. Rxh6 gxh6 21. Qg6+ Kh8 22. Qxh6+ Kg8 23. Qg6+ Kh8 24. Qh6+ Kg8 25. Qg6+ Kh8 26. c4 Nf6 27. Bb2 e5 28. Bxe5 Be8 29. Qh6+ Kg8 30. Rd1 Qb6 31. Bd6 Rf7 32. Qg6+ Kh8 33. Rd4 Rg7 34. Qh6+ Kg8 35. Qxe3 Bf7 36. c5 Qb1+ 37. Kf2 Qa2 38. Be5 Re8 39. c6 Nd5 40. Rxd5 Bxd5 41. c7 Bb7 |
| ECO A40 in 2001 play it! naumkin igor defeats white's formanek edward in 138 moves | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 Nbc6 9. Bd3 f5 10. exf6 Rxf6 11. Bg5 Rf7 12. Qh4 h6 13. Bxe7 Rxe7 14. O-O c4 15. Be2 Bd7 16. Rfe1 Qf8 17. Bf1 Qf6 18. Qg3 Rf8 19. Ne5 Nxe5 20. Rxe5 Ba4 21. Ra2 Ref7 22. f3 g5 23. Be2 Rg7 24. Qg4 Bd7 25. Bd1 Qd8 26. Rb2 b5 27. Qg3 Qa5 28. Qe1 Qxa3 29. Rb1 Qd6 30. Ra1 Qb6 31. h4 a5 32. hxg5 hxg5 33. Qe3 Qd8 34. Be2 a4 35. Kf2 Qf6 36. g3 Qh6 37. Bf1 Qg6 38. Rc1 Rf5 39. Bg2 Rh7 40. g4 Rxe5 41. Qxe5 Kf7 42. Qd6 Ke8 43. Kg3 Qf6 44. Re1 Rf7 45. Kf2 Qf4 46. Re5 Qxg4 47. Qxd5 Qh4+ 48. Kg1 Qf4 49. Re4 Qc1+ 50. Kh2 Rh7+ 51. Kg3 Qf4+ 52. Kf2 Qd2+ 53. Kg3 Qf4+ 54. Kf2 Qf6 55. Qd6 Rh4 56. Rxh4 gxh4 57. d5 Qe7 58. Qb8+ Qd8 59. Qe5 Qb6+ 60. Kf1 Kd8 61. Bh3 exd5 62. Bxd7 Kxd7 63. Qxd5+ Kc7 64. Qf7+ Kb8 65. Qe8+ Ka7 66. Qd7+ Ka6 67. Qc8+ Qb7 68. Qe6+ Ka5 69. Kf2 Qb6+ |
| ECO A40 in 1994 play it! naumkin igor defeats white's hansen mads smit in 80 moves | 1. d4 e6 2. Nf3 f5 3. d5 Nf6 4. dxe6 d5 5. Ng5 Qe7 6. g3 Bxe6 7. Bg2 Nc6 8. c4 O-O-O 9. Nc3 dxc4 10. Qa4 Bd5 11. Bxd5 Nxd5 12. Qxc4 Qb4 13. Qxb4 Bxb4 14. Bd2 Bxc3 15. Bxc3 Nxc3 16. bxc3 Rd5 17. e3 a6 18. Ne6 g5 19. Nd4 Ne5 20. Ke2 Nc4 21. Kd3 Nd6 22. Kc2 Ne4 23. f3 Nd6 24. Rae1 Ra5 25. Kb3 c5 26. Ne2 Rb5+ 27. Kc2 Nc4 28. Kd3 Ne5+ 29. Kc2 Nxf3 30. Ref1 Ne5 31. Rxf5 Ng4 32. Kc1 Nxe3 33. Rf7 Ra5 34. Kb2 Rd8 35. Re1 Rb5+ 36. Kc1 Nc4 37. Rd1 Rb1+ 38. Kxb1 Rxd1+ 39. Kc2 Rd2+ 40. Kb3 b5 |
| ECO A40 in 1999 play it! naumkin igor defeats white's de bortoli peter in 48 moves | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Ba5 7. Be3 Nge7 8. Qf3 Bxc3+ 9. bxc3 Be6 10. Nh3 Qd7 11. Ng5 Bf5 12. g4 Bg6 13. c4 O-O-O 14. cxd5 Nxd5 15. Bb5 Rhe8 16. O-O h6 17. Nh3 Be4 18. Bxc6 Qxc6 19. Qxf7 Re7 20. Qh5 g5 21. c4 Nc3 22. Rfe1 Qxc4 23. f4 Bc6 24. Qg6 Ne2+ |
| ECO A40 in 2001 play it! naumkin igor defeats white's lettich sergio in 52 moves | 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Bb4+ 5. Nc3 O-O 6. Bg2 d6 7. O-O Bxc3 8. bxc3 Qe8 9. Nd2 e5 10. e3 c5 11. Re1 Nc6 12. d5 Na5 13. Qe2 Qa4 14. Qd1 Qxd1 15. Rxd1 b6 16. Bf1 Ba6 17. f3 Rae8 18. Nb3 Nxc4 19. a4 g5 20. Kg2 g4 21. fxg4 Nxg4 22. Re1 Kg7 23. h3 Nf6 24. Rd1 Ne4 25. Bd2 Nexd2 26. Rxd2 Nxe3+ |
| ECO A40 in 1999 play it! naumkin igor defeats white's mola pietro in 86 moves | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Ba5 7. Ne2 Nge7 8. O-O Bf5 9. Bf4 O-O 10. Bxf5 Nxf5 11. Qd3 Bxc3 12. Qxc3 Re8 13. Rfe1 Qd7 14. Qd3 Re4 15. f3 Re7 16. g4 Nd6 17. Ng3 Rae8 18. Kf2 g6 19. Rh1 f6 20. Raf1 Nd8 21. h4 Ne6 22. Bc1 b6 23. Kg2 c6 24. h5 g5 25. h6 Rf7 26. Rf2 f5 27. Nxf5 Nxf5 28. gxf5 Rxf5 29. Re2 Ref8 30. Rh3 Qf7 31. Rg3 Qf6 32. c3 Qxh6 33. Qd1 Qf6 34. Qe1 Ng7 35. Re5 h6 36. Qe2 Rxe5 37. Qxe5 Qxe5 38. dxe5 Ne6 39. Rg4 Kg7 40. Ra4 Rf7 41. Be3 Kg6 42. Ra6 Kf5 43. a4 Rb7 |
| ECO A40 in 2000 play it! naumkin igor defeats white's straub peter in 67 moves | 1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. Bg5 Bb4+ 5. Nc3 Bxc3+ 6. bxc3 O-O 7. e3 d6 8. Be2 Qe8 9. Bxf6 Rxf6 10. Qb3 Kh8 11. O-O-O Nc6 12. Ng5 h6 13. h4 b6 14. d5 Na5 15. Qb4 e5 16. Rd2 Kg8 17. Nf3 Ba6 18. Rhd1 Rc8 19. Kb1 Nb7 20. Qa3 Nc5 21. Rb2 c6 22. Ne1 cxd5 23. cxd5 Bxe2 24. Rxe2 Rf7 25. Rc1 Qb5+ 26. Rb2 Qc4 27. Rb4 Qxd5 28. f3 Rfc7 29. g4 fxg4 30. Rxg4 e4 31. c4 Qe6 32. Rf4 exf3 33. Nxf3 Re8 34. Re1 |
| ECO A40 in 1994 play it! naumkin igor defeats white's ivlev valentin in 118 moves | 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. b3 Qe8 8. Bb2 Qh5 9. Nfd2 Qh6 10. Nc3 c6 11. e4 e5 12. dxe5 dxe5 13. Nf3 f4 14. Nxe5 Nbd7 15. Nd3 fxg3 16. hxg3 Nc5 17. Ne5 Rd8 18. Qf3 Qg5 19. Qf4 Qh5 20. Bf3 Qh3 21. Rad1 Rf8 22. Qe3 Ne6 23. Na4 Re8 24. Bg2 Qh5 25. Bf3 Qg5 26. Qc3 Nh5 27. Qd2 Nhf4 28. Bg4 Bf6 29. Bxe6+ Nxe6 30. Qxg5 Nxg5 31. Nd7 Bxb2 32. Nxb2 b6 33. Na4 Nxe4 34. Rfe1 Bb7 35. c5 b5 36. Nb2 Ng5 37. Kg2 Rad8 38. Rxe8+ Rxe8 39. Nd3 a5 40. N3e5 Ne4 41. f4 Nc3 42. Rd2 h6 43. Kf3 Bc8 44. Rd6 Nxa2 45. Nxc6 Bb7 46. Kg4 a4 47. bxa4 bxa4 48. Na5 Nc3 49. Rd3 Nb5 50. c6 Ba6 51. Rd2 a3 52. Ra2 Ra8 53. f5 Nc3 54. Ra1 a2 55. Kf4 Nd5+ 56. Ke4 Nb4 57. g4 Bb5 58. Nb6 Nc2 59. c7 Nxa1 |
| ECO A40 in 1995 play it! naumkin igor defeats white's peric stevan in 90 moves | 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. d5 Bb4+ 7. Bd2 Qe7 8. dxe6 dxe6 9. Qb3 Bxd2+ 10. Nfxd2 Na6 11. Nc3 c6 12. O-O e5 13. Qc2 Nc5 14. b4 Ne6 15. c5 a5 16. a3 axb4 17. axb4 Rxa1 18. Rxa1 Nd4 19. Qb2 f4 20. Ra8 Ng4 21. Nf3 fxg3 22. hxg3 Qf6 23. Ne4 Qh6 24. Qa2+ Kh8 25. Qd2 Qxd2 26. Nexd2 Nxe2+ 27. Kf1 Nd4 28. Nxd4 exd4 29. Ne4 Ne3+ 30. Kg1 Nxg2 31. Nd6 d3 32. Nxc8 Ne1 33. Kf1 Nc2 34. Nb6 Rxa8 35. Nxa8 Nxb4 36. Nb6 d2 37. Ke2 Nd3 38. Nd7 Nxf2 39. Kxd2 Ne4+ 40. Ke3 Nxg3 41. Kf4 Ne2+ 42. Ke5 h5 43. Kd6 h4 44. Ne5 h3 45. Ng4 Kh7 |
| ECO A40 in 1987 play it! naumkin igor defeats white's paunovic dragan in 76 moves | 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 a5 8. b3 Qe8 9. Ba3 Qh5 10. Qc2 Nc6 11. Rad1 Bd7 12. d5 Nb4 13. Bxb4 axb4 14. dxe6 bxc3 15. exd7 Nxd7 16. Nd4 c6 17. a4 f4 18. Qxc3 fxg3 19. Qxg3 Rf6 20. Qh3 Qe8 21. Nf5 Bf8 22. e4 Nc5 23. Rfe1 Qe5 24. Qe3 Ne6 25. Kh1 g6 26. Nxd6 Nc5 27. f4 Rxf4 28. Qd4 Qxd4 29. Rxd4 Nxb3 30. Rdd1 Bxd6 31. Rxd6 Nc5 32. a5 Rxa5 33. Rd8+ Kg7 34. e5 Ra2 35. h3 Rff2 36. Rdd1 Rxg2 37. e6 Rge2 38. e7 Kf7 |
| ECO A40 in 1991 play it! naumkin igor defeats white's safyanovsky mark in 78 moves | 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 a5 8. b3 Qe8 9. Qc2 Nc6 10. e4 fxe4 11. Nxe4 e5 12. Bb2 Qh5 13. dxe5 dxe5 14. c5 Kh8 15. Nfd2 Ng4 16. h3 Nh6 17. Qd1 Bg4 18. hxg4 Nxg4 19. Re1 Rad8 20. Qe2 Bxc5 21. Nxc5 Rxf2 22. Qxf2 Nxf2 23. Nf1 Nh3+ 24. Bxh3 Qxh3 25. Ne4 Qh5 26. Nf2 h6 27. Rad1 Rd6 28. Rd3 Qg6 29. Rde3 Nd4 30. Bxd4 exd4 31. Rd3 c5 32. Re5 b6 33. Kg2 Rf6 34. Nd2 a4 35. bxa4 Re6 36. Rd5 Re8 37. Kh1 Re3 38. Rd8+ Kh7 39. g4 Qg5 |
| ECO A40 in 1999 play it! naumkin igor defeats white's drazic sinisa in 80 moves | 1. d4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 c5 5. c4 cxd4 6. Nxd4 Nc6 7. O-O Bc5 8. Nb3 Bb6 9. cxd5 Nxd5 10. Na3 O-O 11. Nc4 Bc7 12. Ne3 Qe7 13. Nxd5 exd5 14. Be3 Rd8 15. Qd2 h6 16. Bc5 Qf6 17. Nd4 Be5 18. Nxc6 bxc6 19. Ba3 Rb8 20. Qa5 Bxb2 21. Rab1 Rb5 22. Qxb5 cxb5 23. Bxb2 Qa6 24. a3 Bg4 25. Rfe1 d4 26. h3 Be6 27. Red1 Bc4 28. Rxd4 Rxd4 29. Bxd4 Qxa3 30. Ra1 Ba2 31. e3 b4 32. Bxa7 Qxa7 33. Bd5 Qa4 34. Bxa2 b3 35. Bxb3 Qxa1+ 36. Kg2 Qa8+ 37. Kg1 Kf8 38. Bc4 Ke7 39. Bf1 Kd6 40. Bg2 Qa1+ |
| ECO A40 in 2003 play it! naumkin igor defeats white's allegranti luca in 90 moves | 1. d4 e6 2. Nf3 Nf6 3. e3 b6 4. Nbd2 Bb7 5. Bd3 c5 6. c3 Nc6 7. O-O Be7 8. Qe2 cxd4 9. exd4 O-O 10. Re1 a6 11. Ne5 b5 12. a3 d6 13. Nxc6 Bxc6 14. Ne4 Bxe4 15. Bxe4 Nxe4 16. Qxe4 d5 17. Qg4 a5 18. Bh6 Bf6 19. h4 Kh8 20. Bg5 h6 21. f4 Rc8 22. Bxf6 Qxf6 23. Re5 b4 24. axb4 axb4 25. f5 bxc3 26. bxc3 exf5 27. Qf3 Qxh4 28. Rxd5 Rfe8 29. Rf1 g6 30. Rd7 Kg7 31. Qb7 Qf6 32. Qf3 Qe6 33. Rb7 Qe3+ 34. Qxe3 Rxe3 35. Ra1 Rexc3 36. Raa7 Rf8 37. d5 Rd3 38. Rd7 Rd2 39. Kf1 Kf6 40. Ra6+ Kg5 41. Ra3 Rb8 42. Kg1 Rbb2 43. Rxf7 Rxg2+ 44. Kh1 Rh2+ 45. Kg1 Rhd2 |
| ECO A40 in 1992 play it! naumkin igor defeats white's thuesen mogens in 80 moves | 1. d4 e6 2. Nf3 f5 3. Bg5 Be7 4. h4 Nf6 5. Nbd2 d5 6. Ne5 O-O 7. e3 Ne4 8. Nxe4 fxe4 9. Qg4 Nc6 10. f3 Nxe5 11. dxe5 Rf5 12. fxe4 Rxe5 13. Qg3 Rxe4 14. Bd3 Rb4 15. O-O-O Bd6 16. Qf3 Qe8 17. a3 Rb6 18. h5 Be5 19. Rdf1 Bxb2+ 20. Kd2 Bd7 21. Bxh7+ Kxh7 22. h6 g6 23. Qf7+ Qxf7 24. Rxf7+ Kh8 25. c3 e5 26. Rb1 Bf5 27. Rg1 d4 28. c4 Bc3+ 29. Ke2 d3+ 30. Kf2 e4 31. g4 Be6 32. Rxc7 Rb2+ 33. Kg3 Rf8 34. Bf4 g5 35. Re7 gxf4+ 36. exf4 Bd4 37. Rd1 Bf2+ 38. Kh3 Rb6 39. f5 e3 40. Rxd3 e2 |
| ECO A40 in 2006 play it! naumkin igor defeats white's barberi alessand in 66 moves | 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 O-O 7. Nc3 d6 8. O-O-O Nc6 9. e4 e5 10. d5 Nd4 11. Nge2 Nxe2+ 12. Qxe2 a6 13. h3 b5 14. exf5 Bxf5 15. g4 Bg6 16. h4 bxc4 17. Qxc4 Nd7 18. Be4 Qf6 19. f3 Nc5 20. Rdf1 Rab8 21. h5 Qf4+ 22. Kc2 Bxe4+ 23. Nxe4 Nxe4 24. Qxe4 Rxb2+ 25. Kxb2 Qd2+ 26. Ka3 Rb8 27. Rb1 Qa5+ 28. Qa4 Qc5+ 29. Rb4 a5 30. Rb1 axb4+ 31. Rxb4 Qc3+ 32. Qb3 Ra8+ 33. Ra4 Qc1+ |
| ECO A40 in 1991 play it! naumkin igor defeats white's pavlovic in 104 moves | 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 a5 8. Qd3 Nc6 9. e4 Nb4 10. Qe2 fxe4 11. Nxe4 Nxe4 12. Qxe4 e5 13. dxe5 Bf5 14. Qxb7 Rb8 15. Qa7 Bd3 16. Re1 Nc2 17. exd6 Bxd6 18. Bg5 Qd7 19. c5 Nxe1 20. Rxe1 Ra8 21. Qb7 Bxc5 22. Ne5 Bxf2+ 23. Kh1 Qf5 24. Qd5+ Kh8 25. Nxd3 Bxe1 26. Qxf5 Rxf5 27. Bxa8 Rxg5 28. Nxe1 Re5 29. Nf3 Re2 30. a4 Rxb2 31. Bc6 Rc2 32. Ne5 Rc5 33. Nf7+ Kg8 34. Nd8 Rc2 35. Bd5+ Kf8 36. Ne6+ Ke7 37. Nxg7 Kf6 38. Ne6 c6 39. Bb3 Rc3 40. Nd8 Ke7 41. Nxc6+ Rxc6 42. Kg2 Rb6 43. Bd5 Kd6 44. Bf7 Rb2+ 45. Kh3 Re2 46. Bc4 Re4 47. Bb5 Rb4 48. Be8 Rb8 49. Bf7 Ke5 50. g4 Kf6 51. Bd5 Rb4 52. Bc6 Kg5 |
| ECO A40 in 1990 play it! naumkin igor defeats white's nogueiras jesus by checkmate in 70 moves | 1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3 Bxc3+ 7. bxc3 d6 8. Bd3 Qe8 9. Qc2 Qh5 10. h3 Nc6 11. O-O-O Qf7 12. Nd2 Ne7 13. g4 Bd7 14. f3 Rab8 15. Kb1 b5 16. Ka1 bxc4 17. Nxc4 Bb5 18. Rb1 a6 19. e4 fxe4 20. fxe4 h6 21. Bxf6 Qxf6 22. e5 Qf3 23. exd6 cxd6 24. Rbc1 Kh8 25. g5 hxg5 26. Rhf1 Qd5 27. Ne3 Bxd3 28. Qxd3 Qb5 29. Rxf8+ Rxf8 30. c4 Qa5 31. c5 dxc5 32. dxc5 Nc6 33. Qe4 Nb4 34. Qxe6 Qa3 35. Rc4 Qxa2# |
| ECO A40 in 2004 play it! naumkin igor defeats white's van den berssela in 72 moves | 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O 11. O-O b6 12. Qf3 Bb7 13. Bd3 Qd7 14. Qh3 Ne7 15. Bg5 Ng6 16. Bxf6 gxf6 17. Rad1 Rad8 18. Rfe1 Kg7 19. d5 Bxd5 20. Be4 Qc6 21. Nxd5 exd5 22. Bf5 Rfe8 23. Qg3 Rxe1+ 24. Rxe1 Re8 25. Rd1 Qa4 26. Qd3 Nf4 27. b3 Nxd3 28. bxa4 Nb2 29. Rc1 Nxa4 30. Bd7 Nc3 31. Kf1 Rd8 32. Bf5 d4 33. Ke1 Re8+ 34. Kf1 Re5 35. g4 Ra5 36. Ra1 b5 |