| ECO C00 in 1993 play it! naumkin igor defeats white's gochev mladen in 68 moves | 1. e4 e6 2. d3 d5 3. Nc3 Nf6 4. Bd2 Nc6 5. f4 dxe4 6. dxe4 Bc5 7. Bb5 Bxg1 8. Rxg1 Qd4 9. Kf1 Nxe4 10. Nxe4 Qxe4 11. Qg4 Bd7 12. Bd3 Qd5 13. Qxg7 O-O-O 14. Qc3 Rhg8 15. Be3 e5 16. Qc4 Qd6 17. Re1 Qf6 18. Ke2 Bf5 19. fxe5 Bxd3+ 20. cxd3 Qxe5 21. b4 Qxh2 22. Qe4 Rde8 23. Qf5+ Kb8 24. Kd1 Qd6 25. Bc5 Qd8 26. b5 Nd4 27. Qxf7 Nxb5 28. Qb3 a6 29. a4 Nd4 30. Qc4 Nc6 31. d4 Qd7 32. Kc1 b6 33. Ba3 Na5 34. Qd3 Qxa4 |
| ECO C07 in 1995 play it! naumkin igor defeats white's godena michele in 68 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Ne7 9. O-O Ng6 10. Nf3 Be7 11. Re1 O-O 12. c4 dxe4 13. Bxe4 f5 14. Bc2 Qc7 15. Bg5 Bxg5 16. Nxg5 Rf6 17. Qd2 Re8 18. Rad1 Bc8 19. Qd6 Qb7 20. Qa3 h6 21. Nf3 e5 22. Rd6 Qe7 23. c5 e4 24. Nd4 Bd7 25. Rxf6 Qxf6 26. Qxa7 Qxd4 27. Rd1 e3 28. Rxd4 e2 29. Bd3 e1=Q+ 30. Bf1 Re2 31. Qb8+ Kh7 32. Qg3 f4 33. Rxf4 Nxf4 34. Qxf4 Rxb2 |
| ECO C04 in 1995 play it! naumkin igor defeats white's bellia fabrizio in 82 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 b6 10. O-O Bb7 11. c3 h6 12. b4 Qf7 13. b5 Na5 14. Nh4 Nf6 15. f4 O-O-O 16. Ng4 Ne4 17. Qe1 Qe8 18. Ne5 g5 19. Nhf3 gxf4 20. Bxf4 Qg8 21. Nh4 Rh7 22. Rc1 Rg7 23. Bh5 Be7 24. Rc2 Nf6 25. Bf3 Qh7 26. Re2 Ne4 27. Re3 Bg5 28. Bg4 Qg8 29. Bh3 Kb8 30. Ref3 a6 31. a4 axb5 32. axb5 Qe8 33. Kh1 Qxb5 34. Bxe6 Qe8 35. Bh3 Nc4 36. Nxc4 dxc4 37. Be5 Re7 38. Rf8 Qxf8 39. Rxf8 Rxf8 40. Ng6 Bd2 41. Qe2 Nxc3 |
| ECO C04 in 2001 play it! naumkin igor defeats white's ries berthold in 60 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. exf6 Qxf6 8. Nb3 h6 9. h4 Bd6 10. Be3 O-O 11. Bg5 Qf7 12. Qc2 e5 13. dxe5 Ndxe5 14. Nxe5 Nxe5 15. Be3 Bf5 16. Qd2 Nc4 17. Bxc4 dxc4 18. Nd4 Bd3 19. O-O-O Rad8 20. Rh3 Qd7 21. b4 a5 22. a3 axb4 23. axb4 Ra8 24. Qb2 Ra6 25. Nb3 Rfa8 26. Rxd3 cxd3 27. Na5 b6 28. Qb3+ Kh8 29. Nc4 Qg4 30. Nxd6 Ra1+ |
| ECO C17 in 2000 play it! naumkin igor defeats white's costantini rober in 76 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. a3 Bxc3 7. Bxc3 b6 8. Bb5+ Nbc6 9. f4 Bd7 10. Bd3 cxd4 11. Bd2 O-O 12. Nf3 f6 13. O-O h6 14. Qe2 Qc7 15. Rfe1 fxe5 16. fxe5 Nf5 17. b4 Qd8 18. b5 Na5 19. Bxf5 Rxf5 20. Nxd4 Rf7 21. Qg4 Kh7 22. Rf1 Qe8 23. Bxa5 bxa5 24. Qh4 Rxf1+ 25. Rxf1 Bxb5 26. Rb1 Bd7 27. Qe1 Rb8 28. Nf3 Rb6 29. Rc1 a4 30. Rb1 Qc8 31. Rxb6 Qc5+ 32. Kf1 axb6 33. Qc1 Bb5+ 34. Ke1 Qc3+ 35. Kf2 Bd3 36. Ne1 Be4 37. Qe3 Qb2 38. Qd2 Qxa3 |
| ECO C17 in 2000 play it! naumkin igor defeats white's collas didier in 88 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nc6 6. Nb5 Bxd2+ 7. Qxd2 Nxd4 8. Nxd4 cxd4 9. f4 Ne7 10. Nf3 Bd7 11. Nxd4 O-O 12. O-O-O Nc6 13. h4 f6 14. exf6 Qxf6 15. g3 e5 16. fxe5 Qxe5 17. Rg1 Bg4 18. Nxc6 bxc6 19. Qd4 Rae8 20. Qxe5 Rxe5 21. Bd3 Bxd1 22. Kxd1 Rf2 23. g4 Rh2 24. h5 Rg5 25. Bf5 g6 26. hxg6 hxg6 27. Bd7 c5 28. Re1 Kf7 29. Re3 d4 30. Re4 Rh8 31. Ke2 Rd8 32. Bb5 Kf6 33. Rf4+ Kg7 34. Re4 Rdd5 35. Re7+ Kf6 36. Rxa7 Rxg4 37. a4 Rg2+ 38. Kd3 Re5 39. c3 Re3+ 40. Kc4 d3 41. Rd7 Rxb2 42. Rxd3 Rxd3 43. Kxd3 Ke5 44. Ke3 Ra2 |
| ECO C02 in 1992 play it! naumkin igor defeats white's yilmaz turham in 80 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 Bd7 8. Bh3 Na5 9. Nbd2 Be7 10. O-O O-O-O 11. Ne1 h5 12. Ng2 g5 13. Ne3 g4 14. Bg2 f6 15. exf6 Nxf6 16. Rb1 Be8 17. Re1 Bg6 18. Ra1 Rdg8 19. Nc2 h4 20. Nb4 hxg3 21. fxg3 Rh7 22. Qe2 Bf5 23. Rf1 Qd6 24. Re1 Qd7 25. Ra2 Bd6 26. Nf1 Nb3 27. Be3 a5 28. Nc2 Bd3 29. Qd1 Qf7 30. Na1 a4 31. Nxb3 axb3 32. Ra1 Qh5 33. Bf2 Kd7 34. Re3 Bxf1 35. Kxf1 Qxh2 36. Bg1 Qh5 37. Ke1 Qf5 38. Qe2 Nh5 39. Qf2 Qg6 40. Bh2 Ng7 |
| ECO E12 in 1999 play it! naumkin igor defeats white's ptaschinski dirk in 116 moves | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 Bb4+ 6. Nbd2 O-O 7. Bd3 c5 8. Bd6 Re8 9. O-O Nc6 10. a3 Bxd2 11. Qxd2 Na5 12. Qe2 Ne4 13. Bxe4 Bxe4 14. Nd2 Bc6 15. dxc5 bxc5 16. b4 Nb7 17. Bg3 d6 18. b5 Bd7 19. Qd3 e5 20. Rfd1 Re6 21. Nb3 h5 22. f3 Rb8 23. a4 h4 24. Be1 e4 25. fxe4 Qg5 26. Bf2 Rg6 27. g3 Bg4 28. Rf1 Nd8 29. Qd5 hxg3 30. hxg3 Qh6 31. e5 Ne6 32. Nd2 Ng5 33. Qh1 Nh3+ 34. Kg2 Qh5 35. Ra3 dxe5 36. e4 Nf4+ 37. Kg1 Qxh1+ 38. Kxh1 Rh6+ 39. Kg1 Ne2+ 40. Kg2 Bh3+ 41. Kf3 Nd4+ 42. Bxd4 Rf6+ 43. Ke2 Bxf1+ 44. Nxf1 exd4 45. Nd2 Re6 46. Rf3 Re5 47. a5 Kf8 48. Kd3 a6 49. b6 Ke7 50. Rf1 Rh8 51. Rb1 Rg5 52. Nf1 Kd7 53. Ke2 Kc8 54. Rb3 Re8 55. Kf3 Rge5 56. Nd2 f5 57. exf5 Rxf5+ 58. Kg4 Rf2 |
| ECO E12 in 1990 play it! naumkin igor defeats white's polugaevsky lev in 69 moves | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e3 Nd7 10. Bd3 c5 11. Bb2 Rc8 12. Qe2 O-O 13. O-O Qc7 14. c4 Rfd8 15. a4 cxd4 16. exd4 Bf6 17. Rfd1 Nb8 18. d5 Bxb2 19. Qxb2 exd5 20. Bf5 Nd7 21. cxd5 Qf4 22. Bh3 Rc5 23. Rd4 Qf6 24. Bxd7 Rxd7 25. Re4 h6 26. Re8+ Kh7 27. Qxf6 gxf6 28. h3 Rcxd5 29. Ra3 Ra5 30. Kh2 b5 31. Nh4 Rxa4 32. Rg3 Rxh4 33. Reg8 h5 34. R3g7+ Kh6 35. f3 |
| ECO E22 in 1983 play it! naumkin igor defeats white's antoshin vladimi in 80 moves | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. d5 Nd4 6. Qd1 c5 7. Bd2 exd5 8. cxd5 O-O 9. e3 Re8 10. Bd3 d6 11. Kf1 Nf5 12. Nge2 Ng4 13. Nf4 Bxc3 14. bxc3 Qh4 15. g3 Qf6 16. e4 Ne7 17. f3 Ne5 18. Be2 N7g6 19. Nh5 Qe7 20. f4 Nc4 21. Bf3 f5 22. exf5 Bxf5 23. Kf2 Qf7 24. Re1 Rxe1 25. Bxe1 Re8 26. Kg1 Be4 27. Bf2 Nb6 28. Bxe4 Rxe4 29. Qf3 Qxd5 30. Kg2 Nc4 31. Rd1 Qc6 32. Kh3 Nge5 33. Qh1 Qd7+ 34. Kg2 Ng4 35. Kg1 Qe8 36. h3 Nxf2 37. Kxf2 Re2+ 38. Kf1 Qe3 39. Nf6+ gxf6 40. Qd5+ Kh8 |
| ECO E12 in 1987 play it! naumkin igor defeats white's piesina gintauta in 80 moves | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 exd5 7. g3 Be7 8. Qa4+ c6 9. Ne5 O-O 10. Bg2 c5 11. O-O Qc8 12. Bg5 Rd8 13. dxc5 bxc5 14. Rfd1 Nc6 15. Nd3 Nd4 16. Nxc5 Bxc5 17. Bxf6 Bc6 18. Qa5 gxf6 19. Qxc5 Nb3 20. Qb4 Nxa1 21. Rxa1 d4 22. Ne4 Qe6 23. Nc5 Qd6 24. Bxc6 Qxc6 25. Nd3 Qe4 26. Nf4 Rac8 27. Qa5 Rd7 28. Rd1 Rdc7 29. Qd2 Rc2 30. Qxd4 Qxd4 31. Rxd4 Rxb2 32. Ra4 Rc7 33. Kg2 Rb5 34. h4 a5 35. Rd4 Rc3 36. a4 Rb4 37. Rd8+ Kg7 38. Nd5 Rd4 39. e3 Rd2 40. Kh3 f5 |
| ECO E41 in 1999 play it! naumkin igor defeats white's vinzoni andrea in 74 moves | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. Qc2 h6 10. Nd2 e5 11. Ne4 Nxe4 12. Bxe4 Qc7 13. f4 f5 14. Bd5+ Kh8 15. fxe5 dxe5 16. e4 f4 17. dxe5 g5 18. Ba3 b6 19. e6 Bb7 20. e5 Rae8 21. Qe4 Nd8 22. Rad1 Bc8 23. Bc1 Bxe6 24. Rfe1 Qg7 25. Bxe6 Nxe6 26. Rd6 Re7 27. Qc6 Rfe8 28. a4 Kh7 29. Ba3 Nf8 30. Qe4+ Kh8 31. Rd5 Re6 32. h4 Ng6 33. hxg5 hxg5 34. Kf2 Nxe5 35. Rh1+ Kg8 36. Qf5 Nxc4 37. Bc1 Re2+ |
| ECO E33 in 1997 play it! naumkin igor defeats white's rossi giampiero in 72 moves | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. e3 Bd7 7. Bd2 O-O 8. cxd5 exd5 9. Be2 Ne7 10. O-O Bd6 11. Rfc1 c6 12. Be1 Bf5 13. Qb3 Rb8 14. Na4 Re8 15. Bb4 Bc7 16. Bxe7 Qxe7 17. Nc5 Ne4 18. Nxe4 dxe4 19. Nd2 Rbd8 20. g3 Bc8 21. Bf1 Kh8 22. Bg2 f5 23. a4 h5 24. a5 a6 25. Nc4 h4 26. Qa3 hxg3 27. hxg3 Qf6 28. b4 g5 29. Nd2 Be6 30. Rc3 Kg7 31. Qc1 Bd5 32. Qc2 Rh8 33. Rb1 Bb8 34. Nb3 Rh5 35. Nc5 Rdh8 36. Kf1 Rh2 |
| ECO E06 in 1998 play it! naumkin igor defeats white's flear glenn c in 64 moves | 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Bd6 11. Nbd2 Nbd7 12. Rac1 Bxf4 13. gxf4 Nd5 14. e3 Rc8 15. Nb3 f5 16. Na5 Ba8 17. Nc6 Qe8 18. Nfe5 Nxe5 19. fxe5 f4 20. Qc5 f3 21. Bh3 Qg6+ 22. Kh1 Qh6 23. Bg4 Rce8 24. Rce1 Qh4 25. Rg1 Qxf2 26. Bxe6+ Rxe6 27. Qxd5 Re8 28. Rc1 Qxe3 29. Rc3 f2 30. Rf1 Qxc3 31. Ne7+ Kf7 32. bxc3 Kxe7 |
| ECO E06 in 1989 play it! naumkin igor defeats white's wanie karsten in 46 moves | 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O b6 7. Nc3 Bb7 8. cxd5 exd5 9. Ne5 Na6 10. Nd3 h6 11. Nf4 Qd7 12. Bh3 Qc6 13. Be3 Rfd8 14. a3 Qe8 15. b4 c6 16. Qb3 Nc7 17. Nd3 Bc8 18. Bxc8 Raxc8 19. h3 Bd6 20. a4 Bxg3 21. Bxh6 Bd6 22. Bg5 Qe6 23. f4 Qe3+ |
| ECO A40 in 1998 play it! naumkin igor defeats white's tatai stefano in 81 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. b3 Qe8 9. Bb2 Qh5 10. e3 Na6 11. Qe2 Bd7 12. Nd2 Qh6 13. Bxb7 Ng4 14. f4 Ra7 15. Bf3 e5 16. Nd5 Bd8 17. e4 exf4 18. Bxg4 fxg4 19. Rxf4 Rxf4 20. Nxf4 Nb4 21. a3 Nc6 22. Rf1 Ra8 23. e5 dxe5 24. dxe5 Be7 25. Ne4 Re8 26. Nd5 Bd8 27. Nc5 Bc8 28. b4 axb4 29. axb4 Qh5 30. Nd3 h6 31. b5 Ne7 32. N3f4 Qg5 33. Qe4 c6 34. Nxe7+ Qxe7 35. Qxc6 Bb7 36. Qg6 Qc5+ 37. Rf2 Re7 38. Ne6 Qb6 39. Nf4 Qe3 40. Ng2 Bxg2 41. Qf5 |
| ECO A40 in 1995 play it! naumkin igor defeats white's arlandi ennio 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. b3 Qe8 9. Bb2 Qh5 10. Qc2 Nc6 11. a3 Bd7 12. Rad1 Rae8 13. d5 Ne5 14. dxe6 Bxe6 15. Nd5 Bxd5 16. cxd5 f4 17. Nxe5 dxe5 18. Bf3 Ng4 19. Bxg4 Qxg4 20. Qxc7 fxg3 21. hxg3 Bd8 22. Qc4 Rf4 23. Qb5 Qg6 24. d6 e4 25. Qxe8+ Qxe8 26. gxf4 Qg6+ 27. Kh1 Qh5+ 28. Kg1 Qxe2 29. Be5 Bb6 30. Bd4 Qg4+ 31. Kh1 Qh5+ 32. Kg1 Qg6+ 33. Kh2 Qxd6 34. Bxb6 Qxf4+ 35. Kg2 Qg5+ 36. Kh3 Qh6+ 37. Kg4 Qxb6 38. Rb1 Qf6 39. f4 Qg6+ 40. Kh3 Qf5+ 41. Kg3 h5 42. Rbe1 Qb5 43. Kh4 e3 44. b4 a4 45. f5 Qd3 46. Rf4 Qd2 47. Rff1 e2 48. Rg1 Qf4+ 49. Kxh5 Qxf5+ 50. Kh4 Qf4+ 51. Kh3 Qf3+ 52. Rg3 Qf1+ |
| ECO A40 in 2002 play it! naumkin igor defeats white's bottino alexiei in 56 moves | 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nh3 d6 7. O-O Bxd2 8. Bxd2 e5 9. c5 e4 10. cxd6 cxd6 11. Rc1 d5 12. Qb3 Nc6 13. e3 h6 14. Rc5 g5 15. Kh1 Rf7 16. Rfc1 Be6 17. Qd1 Rg7 18. b4 Nd7 19. R5c2 a6 20. a4 Nb6 21. Qh5 Qf6 22. Rxc6 bxc6 23. Rxc6 Nxa4 24. Bf1 Qg6 25. Qd1 Nb2 26. Qc2 Nd3 27. Bxd3 exd3 28. Qc5 f4 |
| ECO A40 in 1999 play it! naumkin igor defeats white's fabiano giuseppe in 66 moves | 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 O-O 7. Bg2 d6 8. O-O Nc6 9. a3 e5 10. d5 Ne7 11. e4 h6 12. Qe2 Qe8 13. Nh4 f4 14. c5 g5 15. cxd6 cxd6 16. Nf5 Bxf5 17. exf5 Qd7 18. gxf4 exf4 19. Rfe1 Nxf5 20. Nc4 Ng4 21. Bh3 Ne5 22. Qc2 f3 23. Qd2 g4 24. Bf1 Qg7 25. Qb4 Rad8 26. Rac1 h5 27. Qc3 Rde8 28. Qb4 h4 29. Nxd6 Nxd6 30. Qxd6 g3 31. hxg3 hxg3 32. Rc7 gxf2+ 33. Kxf2 Nd3+ |
| ECO A40 in 1995 play it! naumkin igor defeats white's cirabisi federic in 72 moves | 1. d4 e6 2. e3 f5 3. Bd3 Nf6 4. Nd2 d5 5. f4 c5 6. c3 Be7 7. Nh3 O-O 8. O-O b6 9. Nf3 Ba6 10. Bxa6 Nxa6 11. Ne5 Nc7 12. Rf3 Ne4 13. Nf2 Nxf2 14. Rxf2 Ne8 15. g4 Nf6 16. Rg2 Bd6 17. gxf5 exf5 18. Bd2 Bxe5 19. fxe5 Ne4 20. Qe2 Qd7 21. Kh1 Rae8 22. Rag1 Rf7 23. Be1 Re6 24. Qh5 c4 25. Rf1 Rc6 26. Bh4 b5 27. a3 a5 28. Rfg1 Rb6 29. Ra1 Qe6 30. Qf3 Qh6 31. Bg3 Qh3 32. Qf4 g5 33. Qf1 Rg6 34. a4 f4 35. exf4 gxf4 36. Be1 Rfg7 |
