| ECO A05 in 2005 play it! naiditsch arkadi defeats white's buhmann rainer in 56 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 Nc6 8. O-O d6 9. Rb1 e5 10. d3 h6 11. e3 Be6 12. Nd2 Bxc3 13. Qxc3 a5 14. f4 Qd7 15. b3 Bh3 16. Bb2 Bxg2 17. Kxg2 Rfe8 18. Rbe1 d5 19. fxe5 d4 20. exd4 cxd4 21. Qc2 Ng4 22. Nf3 Ngxe5 23. h3 Nxf3 24. Rxe8+ Rxe8 25. Rxf3 Ne5 26. Rf4 Qc6+ 27. Kg1 Nf3+ 28. Kf1 Ne1 |
| ECO A05 in 2005 play it! naiditsch arkadi defeats white's nielsen peter he in 116 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Nc6 6. Qa4 Nd7 7. Qxc4 Nb6 8. Qb5 Bd7 9. Qb3 Na5 10. Qc2 Rc8 11. O-O c5 12. Nc3 cxd4 13. Nxd4 Bb4 14. Qe4 Bxc3 15. bxc3 O-O 16. Rd1 Bc6 17. Qg4 Bxg2 18. Kxg2 f5 19. Qh5 Qd5+ 20. Qf3 Rfe8 21. Qxd5 Nxd5 22. Nb5 Nc4 23. Rd4 a6 24. Na3 Nxa3 25. Bxa3 Rxc3 26. Bd6 Rc2 27. Kf1 Rec8 28. a4 Rc1+ 29. Rxc1 Rxc1+ 30. Kg2 Kf7 31. e4 fxe4 32. Rxe4 b5 33. axb5 axb5 34. Re2 b4 35. Ra2 b3 36. Ra7+ Kf6 37. Rb7 Rc6 38. Ba3 Rb6 39. Bb2+ e5 40. Rd7 Rb5 41. Kf3 Nb6 42. Rb7 h5 43. Ke2 Kf5 44. h4 Ke4 45. f3+ Kd5 46. Kd3 g6 47. Rb8 Ke6 48. g4 Kd5 49. Rb7 hxg4 50. fxg4 e4+ 51. Ke2 Rc5 52. Rxb6 Rc2+ 53. Ke3 Rxb2 54. Rxg6 Rb1 55. Rg5+ Ke6 56. Rb5 b2 57. Kd2 e3+ 58. Kc2 e2 |
| ECO A05 in 2004 play it! naiditsch arkadi defeats white's bruch jochen in 92 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Qe1 h6 8. e4 Bh7 9. Qe2 Nc6 10. c3 a5 11. Rd1 a4 12. Nf1 Re8 13. Bf4 Nd7 14. b4 axb3 15. axb3 Rxa1 16. Rxa1 Nc5 17. N3d2 d4 18. b4 dxc3 19. bxc5 cxd2 20. Rb1 Bxc5 21. Nxd2 b6 22. Nc4 Qd7 23. Rd1 b5 24. Nd2 Nd4 25. Qg4 Bg6 26. Rc1 Bb6 27. h4 h5 28. Qd1 e5 29. Be3 Rd8 30. Bf1 f6 31. Nb3 Nxb3 32. Qxb3+ Bf7 33. Qc2 b4 34. Bxb6 cxb6 35. Be2 b3 36. Qd1 Qd4 37. Rb1 g6 38. Qc1 Ra8 39. Qd1 b2 40. Qc2 Ra1 41. Kg2 Rxb1 42. Qxb1 Qc3 43. Bd1 Qc1 44. Bc2 Kg7 45. Kf3 b5 46. Ke2 b4 |
| ECO A05 in 2000 play it! naiditsch arkadi defeats white's kogan artur in 78 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O Be7 6. Nfd2 h6 7. e4 Bh7 8. Qe2 c5 9. c3 Nc6 10. Na3 O-O 11. Nc2 Qd7 12. f4 Rfd8 13. e5 Ne8 14. Ne1 b5 15. g4 Nc7 16. Bh3 b4 17. f5 bxc3 18. bxc3 Nb5 19. Nb1 d4 20. c4 Nc3 21. Nxc3 dxc3 22. Kh1 Bh4 23. Bg2 Nd4 24. Qe4 exf5 25. gxf5 Nxf5 26. Qd5 Qe7 27. Qxa8 Rxa8 28. Bxa8 Bxe1 29. Rxe1 Nd4 30. e6 fxe6 31. Rb1 Bxd3 32. Rb8+ Kh7 33. Bf4 c2 34. Bg2 e5 35. Bd2 Qf6 36. Bd5 Nf3 37. Bg8+ Kg6 38. Re8 Nxe1 39. Re6 Be4+ |
| ECO A05 in 2005 play it! naiditsch arkadi defeats white's lubczynski rafal in 89 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. cxd5 exd5 7. d3 Be7 8. Nc3 O-O 9. Qb3 Qb6 10. Qxb6 axb6 11. Nd4 Bg6 12. e4 Rd8 13. exd5 Nxd5 14. Rd1 Na6 15. Nxd5 cxd5 16. Be3 Nc5 17. Bf1 Bf6 18. f4 Ra4 19. Nb3 Bxb2 20. Rab1 Bh5 21. Bxc5 bxc5 22. Rxb2 Bxd1 23. Nxc5 Ra7 24. Bg2 h5 25. d4 Bg4 26. a4 Bf5 27. Bf3 g6 28. Kf2 Kg7 29. Rxb7 Rxb7 30. Nxb7 Ra8 31. Nc5 Be6 32. Ke3 Kf6 33. Kd2 Ke7 34. Kc3 Kd6 35. Be2 Bd7 36. Bd1 Bc6 37. Bb3 h4 38. g4 h3 39. Bc2 Bd7 40. Bd1 Rh8 41. Nd3 f6 42. Nf2 Rc8+ 43. Kd3 Rc1 44. Kd2 Rc4 45. Ke3 |
| ECO A05 in 2004 play it! naiditsch arkadi defeats white's krasenkow michal in 72 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 h6 5. Rg1 b6 6. Qc2 Bb7 7. a3 Be7 8. g5 hxg5 9. Nxg5 Bf8 10. d4 Nc6 11. Nf3 d5 12. cxd5 Nxd5 13. e4 Nxc3 14. Qxc3 Qd7 15. Bb5 f6 16. Be3 a6 17. Ba4 b5 18. Bb3 b4 19. Qc2 Na5 20. Ba4 Bc6 21. axb4 Bxb4+ 22. Bd2 Bxd2+ 23. Nxd2 Rxh2 24. Nf1 Rh8 25. Ne3 Bxa4 26. Rxa4 Nc6 27. Qc4 Rd8 28. Nc2 Ne5 29. Qb3 Nf3+ 30. Qxf3 Qxa4 31. Qc3 Qd7 32. Kd2 c5 33. Qxc5 Rc8 34. Qb4 Rh2 35. Ne3 Rxf2+ 36. Ke1 Rh2 |
| ECO A05 in 1997 play it! naiditsch arkadi defeats white's lange klaus in 90 moves | 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d5 6. c4 c6 7. O-O Nbd7 8. e3 Nc5 9. d4 Nce4 10. Nbd2 Bg4 11. h3 Nxd2 12. Qxd2 Ne4 13. Qb4 a5 14. Qe1 Be6 15. cxd5 Bxd5 16. Nd2 Nxd2 17. Qxd2 Bxg2 18. Kxg2 a4 19. Qc2 h5 20. Qe4 e6 21. Rfd1 Qd7 22. h4 Rfd8 23. Qc2 Qd5+ 24. Kg1 Qb5 25. Bc3 axb3 26. axb3 c5 27. Rxa8 Rxa8 28. Qb2 cxd4 29. Bxd4 Rd8 30. Rd2 Qb4 31. Qc2 Kh7 32. Qc7 Qxd2 33. Qxd8 Qd1+ 34. Kh2 Qc2 35. Kg1 Bxd4 36. exd4 Qxb3 37. Qf6 Qb1+ 38. Kg2 Qf5 39. Qe7 Qd5+ 40. Kg1 Kg7 41. Qb4 b5 42. Kf1 Qc4+ 43. Qxc4 bxc4 44. Ke2 Kf6 45. Kd2 g5 |
| ECO A05 in 2000 play it! naiditsch arkadi defeats white's konietzka lutz in 120 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. d4 b6 9. O-O Bb7 10. Nc3 cxd4 11. Nxd4 Bxg2 12. Kxg2 Qc8 13. e4 Bb4 14. Bd2 O-O 15. Rfd1 Qc4 16. Be1 Rfd8 17. a3 Bf8 18. f3 Rac8 19. Rac1 Qc7 20. Nce2 Qb7 21. Qb1 Ne5 22. Rxc8 Rxc8 23. Rc1 Nc4 24. Bf2 b5 25. Kg1 Rd8 26. Qc2 g6 27. a4 Bh6 28. Ra1 Rc8 29. axb5 axb5 30. Qb3 Nd2 31. Qd3 Qd7 32. Qxb5 Nxf3+ 33. Kg2 Qxb5 34. Nxb5 Nd2 35. Nd6 Rb8 36. Ra7 Nfxe4 37. Nxf7 Bf8 38. Be3 Rxb2 39. Ne5 Nb3 40. Kf3 Nbd2+ 41. Kg2 Nb3 42. Kf3 Ned2+ 43. Kg2 Nc4 44. Nxc4 Rxe2+ 45. Kf3 Rc2 46. Ra8 Kg7 47. Ne5 Nd2+ 48. Bxd2 Rxd2 49. Ra7+ Kg8 50. Ng4 Bg7 51. h4 Rd3+ 52. Kg2 Rd8 53. Kf3 h5 54. Ne3 Rf8+ 55. Ke4 Bf6 56. Ng2 Rf7 57. Ra6 Re7 58. Nf4 Kf7 59. Rc6 Bg7 60. Ra6 Bc3 |
| ECO A05 in 2005 play it! naiditsch arkadi defeats white's van wely loek in 114 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 Ba5 6. g4 Nc6 7. g5 Nh5 8. Ne4 d6 9. e3 f5 10. gxf6 Nxf6 11. Rg1 Nxe4 12. Qxe4 Qf6 13. Rb1 O-O 14. Bd3 g6 15. Rg2 d5 16. cxd5 exd5 17. Qxd5+ Be6 18. Qe4 Rad8 19. Ng5 Ne5 20. Bc2 Bf5 21. Qh4 Qxg5 22. Qxg5 Nf3+ 23. Ke2 Nxg5 24. Bxf5 Rxf5 25. b4 Bb6 26. a4 cxb4 27. Rxb4 Nf7 28. f4 Rc5 29. Bb2 Ba5 30. Rxb7 Rxd2+ 31. Kf3 Rxg2 32. Kxg2 Nd8 33. Rg7+ Kf8 34. Bd4 Rc2+ 35. Kf3 Nf7 36. Rxh7 Bb6 37. Bf6 Rc6 38. Bb2 Rc2 39. Bf6 Ra2 40. Rg7 Ra3 41. Rxg6 Rxe3+ 42. Kg4 Rd3 43. h4 Rd1 44. h5 Rg1+ 45. Kf5 Rh1 46. Bg7+ Kg8 47. h6 Kh7 48. Rc6 Rh5+ 49. Kg4 Ra5 50. f5 Rxa4+ 51. Kh5 Ra2 52. Rf6 Rh2+ 53. Kg4 Rg2+ 54. Kh3 Rxg7 55. hxg7 Kxg7 56. Rg6+ Kf8 57. Kg2 Ne5 |
| ECO A05 in 2001 play it! naiditsch arkadi defeats white's lieb harald in 64 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 c5 8. Qc2 b6 9. O-O Bb7 10. Nc3 Rc8 11. dxc5 Bxc5 12. Bg5 h6 13. Bxf6 Nxf6 14. Rfd1 Qc7 15. Nd4 O-O 16. Bxb7 Qxb7 17. a3 b5 18. e3 Rfd8 19. Nb3 Rxd1+ 20. Rxd1 Bxa3 21. bxa3 Nd5 22. Qe4 Rxc3 23. Nd4 Qc8 24. Rd3 Rc1+ 25. Kg2 Qc4 26. Kf3 Nf6 27. Qa8+ Kh7 28. Rd2 Qf1 29. Qxa6 Qh1+ 30. Ke2 Re1+ 31. Kd3 Qe4+ 32. Kc3 Nd5+ |
| ECO A05 in 1998 play it! naiditsch arkadi defeats white's pronold helmut in 54 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c6 5. e4 d5 6. cxd5 cxd5 7. e5 Ne4 8. Nxe4 dxe4 9. Qa4+ Nc6 10. Qxe4 Bf5 11. Qf4 O-O 12. g4 Bd3 13. Qe3 Bxf1 14. Kxf1 Qd5 15. d4 Nxd4 16. Nxd4 Qxh1+ 17. Ke2 Qd5 18. Nf3 Rac8 19. Kf1 Qc4+ 20. Ke1 Qxg4 21. Bd2 Rc4 22. Qe2 Qe4 23. Bc3 Qxe2+ 24. Kxe2 Rd8 25. Rg1 Re4+ 26. Kf1 Rd1+ 27. Kg2 Rg4+ |
| ECO A05 in 1997 play it! naiditsch arkadi defeats white's petzold lutz in 86 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. c4 c6 8. d4 Ne4 9. Nxe4 dxe4 10. Ng5 Nf6 11. e3 c5 12. Nxe4 cxd4 13. Nxf6+ Bxf6 14. exd4 Qxd4 15. Qxd4 Bxd4 16. Re1 Re8 17. Rb1 Rb8 18. Be3 Bxe3 19. Rxe3 Be6 20. b3 Red8 21. Kf1 Rd2 22. Re2 Rd7 23. Ke1 Rbd8 24. Bf3 b6 25. Reb2 Kg7 26. Rd1 Kf6 27. Rxd7 Rxd7 28. Ke2 Ke5 29. Ke3 g5 30. Be2 g4 31. Bd3 f5 32. b4 Rd4 33. Rc2 f4+ 34. gxf4+ Rxf4 35. c5 Rf3+ 36. Ke2 Rxd3 37. cxb6 Rd7 38. Rc5+ Kd6 39. bxa7 Rxa7 40. Ke3 Rxa2 41. Rh5 Rc2 42. Ke4 Rxf2 43. b5 Rf5 |
| ECO A05 in 2004 play it! naiditsch arkadi defeats white's carlier bruno in 71 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. O-O Be7 8. d4 O-O 9. Bf4 Nbd7 10. Rac1 dxc4 11. Qxc4 Nb6 12. Qb3 Nbd5 13. Ne5 Nxf4 14. gxf4 Nd7 15. Rfd1 Rb8 16. e4 Bg6 17. Bh3 Nxe5 18. fxe5 Bg5 19. Rc2 Kh8 20. Rf1 Qd8 21. Qc4 Bf4 22. Bg2 Qg5 23. Kh1 f5 24. exf6 Rxf6 25. Ne2 Bc7 26. e5 Rf7 27. Rc3 Qd2 28. Re3 Rxf2 29. Rxf2 Qxe3 30. Rf3 Qd2 31. Ng3 Qxb2 32. h4 Bb1 33. Rf7 Bb6 34. Qf1 Rg8 35. Rxb7 Qxd4 36. Qxb1 |
| ECO A05 in 2000 play it! naiditsch arkadi defeats white's richter christia in 54 moves | 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O a5 9. Qc2 O-O 10. a3 Bd7 11. b3 Rfe8 12. Rfe1 e5 13. d5 Nb8 14. e4 c5 15. dxc6 Nxc6 16. Nb1 Bg4 17. Nc3 Bxf3 18. Bxf3 Nd4 19. Qd1 Qc7 20. Be2 Qb6 21. Rb1 Qc5 22. Ra1 b5 23. Bd3 b4 24. axb4 axb4 25. Rxa8 Rxa8 26. Na4 Qc6 27. Bc2 Nd7 |
| ECO A05 in 1998 play it! naiditsch arkadi defeats white's chuchelov vladim in 58 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Nd2 Ne8 10. b4 f5 11. c5 Nf6 12. f3 f4 13. Nc4 g5 14. a4 Ng6 15. Ba3 Rf7 16. b5 dxc5 17. Bxc5 h5 18. a5 g4 19. Qc2 Nd7 20. Ba3 g3 21. Rfd1 Qh4 22. h3 Nf6 23. d6 Nh7 24. dxc7 Bxh3 25. gxh3 Ng5 26. Rd8+ Kh7 27. Bd1 Qxh3 28. Qe2 Nh4 29. Ra2 Rxc7 |
| ECO A22 in 2005 play it! naiditsch arkadi defeats white's storai thierry in 58 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. O-O O-O 9. a3 a5 10. Be3 Be6 11. Nd2 f5 12. Nb3 f4 13. Bc5 a4 14. Bxe7 Qxe7 15. Nd2 Na5 16. Nce4 c5 17. Rc1 Rac8 18. Qc2 c4 19. Qc3 Nc6 20. dxc4 Nd4 21. Rfe1 Nxc4 22. Qd3 Nxb2 23. Qb1 Nc4 24. Qb4 Qxb4 25. axb4 Nxd2 26. Rxc8 Rxc8 27. Nxd2 a3 28. Be4 a2 29. e3 Ne2+ |
| ECO A20 in 2005 play it! naiditsch arkadi defeats white's de vreugt dennis in 66 moves | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. b4 a5 10. Rb1 axb4 11. axb4 f6 12. b5 Nd4 13. e3 Nxf3+ 14. Qxf3 Ra7 15. d4 O-O 16. Rd1 Qc8 17. Qe2 Bf5 18. Ne4 Bg4 19. Bf3 Bxf3 20. Qxf3 exd4 21. Rxd4 Qe6 22. Nc3 Bc5 23. Rd1 Nc4 24. Nd5 b6 25. Nf4 Qf7 26. Bb2 Ra2 27. Bc3 Rc2 28. Rbc1 Rxc1 29. Rxc1 Rd8 30. Qg4 Nxe3 31. Qf3 Nc4 32. Nh5 Ne5 33. Bxe5 fxe5 |
| ECO A15 in 2003 play it! naiditsch arkadi defeats white's hintze helge in 90 moves | 1. c4 Nf6 2. Nf3 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. Nc3 b6 6. g3 Bb7 7. Bg2 a5 8. O-O O-O 9. Qc2 d6 10. Bg5 Bxc3 11. Qxc3 Nbd7 12. Rfd1 h6 13. Bxf6 Nxf6 14. Nd2 Bxg2 15. Kxg2 e5 16. e4 exd4 17. Qxd4 Rfe8 18. f3 Nd7 19. Nb1 f5 20. Nc3 fxe4 21. Nxe4 Ne5 22. Rac1 Kh8 23. Re1 Qf7 24. f4 Nc6 25. Qd2 a4 26. Qd5 Qd7 27. Nc3 Nb4 28. Qf3 Qf5 29. Re2 Rxe2+ 30. Qxe2 Qg6 31. Rf1 Re8 32. Qd2 Qd3 33. Qxd3 Nxd3 34. Rb1 Re3 35. Kf1 Nxb2 36. Nd5 Nxc4 37. Rc1 Nd2+ 38. Kf2 Ra3 39. Rxc7 Ne4+ 40. Kg1 Rxa2 41. Nxb6 a3 42. Ra7 Ra1+ 43. Kg2 a2 44. Nd7 Kg8 45. f5 Nc5 |
| ECO A15 in 2004 play it! naiditsch arkadi defeats white's cekro ekrem in 104 moves | 1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. a3 a5 7. e3 d6 8. h3 O-O 9. Ne2 Re8 10. O-O Bd7 11. Kh2 h6 12. d3 Nxd5 13. cxd5 Ne7 14. d4 Bb6 15. dxe5 dxe5 16. Nc3 Nf5 17. Qc2 a4 18. Bd2 Nd6 19. Ne4 Bf5 20. Bb4 Bg6 21. Rac1 Ba5 22. Bxa5 Rxa5 23. Qc3 Rb5 24. Nc5 Re7 25. Nxa4 Qa8 26. Nc5 b6 27. Nb3 Be4 28. Bxe4 Nxe4 29. Qc2 Qxd5 30. Rfd1 Qa8 31. Nd2 Nd6 32. b4 e4 33. Nc4 Nxc4 34. Qxc4 Rf5 35. Rc2 Qxa3 36. Kg2 Qa4 37. Rd8+ Kh7 38. Ra2 Qb5 39. Qc3 Rf6 40. Qd4 c5 41. Qd5 Qxb4 42. Qa8 Qb3 43. Rg8 Re5 44. g4 Qd1 45. Rh8+ Kg6 46. Qg8 Qf3+ 47. Kh2 Rd5 48. Rh7 Kg5 49. Qxg7+ Rg6 50. Qxf7 Kh4 51. Qe7+ Rdg5 52. Rf7 Qxh3+ |
| ECO A22 in 2005 play it! naiditsch arkadi defeats white's siebrecht sebast in 52 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Nd5 e4 6. Nxb4 Nxb4 7. Nd4 c5 8. Nb5 d5 9. a3 Nd3+ 10. Bxd3 exd3 11. cxd5 Nxd5 12. Qf3 O-O 13. O-O Be6 14. e4 Nb6 15. b4 cxb4 16. axb4 Nc4 17. Qg3 Rc8 18. Na3 Qd4 19. Nxc4 Rxc4 20. Ra3 Rd8 21. Qg5 Rdc8 22. Rc3 h6 23. Qg3 Rxc3 24. dxc3 d2 25. Bb2 Qc4 26. Qf3 Qxf1+ |
