| ECO A05 in 2007 play it! lerner konstanti defeats black's berelovich alexa in 85 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. d4 Nbd7 8. Qc2 b6 9. Rd1 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 b5 14. Qc2 bxc4 15. bxc4 Nb6 16. Rb1 Ba6 17. Ne5 Qe8 18. Be4 f5 19. Bd3 c5 20. d5 Bf6 21. Re1 exd5 22. Bf4 Qa4 23. Qxa4 Nxa4 24. Bxf5 Rce8 25. Bd7 Nc3 26. Bxe8 Rxe8 27. Rbc1 d4 28. Nd7 Rc8 29. Nxf6+ gxf6 30. Bd2 Nxa2 31. Rb1 Bxc4 32. Rb7 Nc3 33. Bxc3 dxc3 34. Rc1 Bd5 35. Rd7 Bc6 36. Rd6 Kf7 37. Rd3 Ke7 38. Rcd1 Bb7 39. Re3+ Kf8 40. Rd7 Bc6 41. Rxa7 c4 42. Rxh7 Bd5 43. Rd7 |
| ECO A04 in 2007 play it! lerner konstanti defeats black's kiik kalle in 95 moves | 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. e4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2 O-O 9. O-O Bd7 10. Rc1 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 e6 14. Qd2 Qe7 15. Rfe1 Rfd8 16. Bf1 Nd7 17. Be3 Nc5 18. Bg5 Bf6 19. h4 Bxg5 20. hxg5 f6 21. Nd5 Bxd5 22. gxf6 Qxf6 23. cxd5 e5 24. Qe3 Rf8 25. a3 a4 26. b4 Nb3 27. Rc7 Rac8 28. Rxb7 Nd4 29. Qh6 Rf7 30. Rc1 Rxc1 31. Rb8+ Rf8 32. Rxf8+ Qxf8 33. Qxc1 Qd8 34. Kf2 Kg7 35. g3 h5 36. Kg2 h4 37. Qe3 hxg3 38. Kxg3 g5 39. Bh3 Kf6 40. Qd3 Qh8 41. Qa6 Qh4+ 42. Kg2 Qf4 43. Qxd6+ Kg7 44. Bg4 Ne2 45. Qc7+ Kh6 46. Qb6+ Kg7 47. Qa7+ Kf8 48. d6 |
| ECO A05 in 1998 play it! lerner konstanti defeats black's posch siegfried in 29 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 e6 7. e4 Qa5 8. Be2 Bc5 9. Qd3 h5 10. h3 Qb6 11. O-O Qd6 12. Qf3 Ng4 13. hxg4 hxg4 14. Qf4 g3 15. Qxd6 |
| ECO A06 in 2007 play it! lerner konstanti defeats black's de la villa garc in 97 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. Nbd2 O-O 10. a3 e5 11. Ng5 Bg4 12. f3 Bf5 13. Nde4 Nxe4 14. Nxf7 Qe7 15. Nd6+ Kh8 16. Nxf5 Rxf5 17. fxe4 Rxf1+ 18. Qxf1 Rd8 19. b4 Rf8 20. Qe1 Bb6 21. Ra2 a5 22. Bd2 axb4 23. axb4 h6 24. h3 Nd8 25. Ra8 Kh7 26. Bd5 Nc6 27. Ra1 Nd8 28. Qe2 Qg5 29. Rf1 Rxf1+ 30. Kxf1 Qf6+ 31. Ke1 Qh4+ 32. Kd1 Qe7 33. Qg4 g6 34. Qe2 h5 35. Qb5 Ba7 36. Ke2 Kh6 37. g3 Kg7 38. h4 Kh6 39. Bb3 g5 40. hxg5+ Kxg5 41. Qd5 Kg4 42. Be1 Kh3 43. Ba4 Nc6 44. b5 Nd8 45. Bb3 Qf6 46. Qd7+ Kg2 47. Qf5 Qxf5 48. exf5 Bb8 49. Ba5 |
| ECO A04 in 1976 play it! lerner konstanti defeats black's mukhin evgeny b in 63 moves | 1. Nf3 c5 2. c4 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. f4 Nc6 11. Be3 Qc7 12. Bg2 e5 13. O-O Bxc3 14. bxc3 b6 15. Rad1 Ba6 16. Bc1 Nd8 17. fxe5 dxe5 18. Rf5 Bxc4 19. Qf3 Nd7 20. Ba3 f6 21. Qe3 Be6 22. Rf2 Rc8 23. Bf1 Qxc3 24. Qe2 Qc7 25. Qh5+ g6 26. Qh6 Kf7 27. Bb5 Nc6 28. Rd6 Ncb8 29. Rxe6 Kxe6 30. Qg7 Rhe8 31. Rd2 a6 32. Nc5+ |
| ECO A09 in 1992 play it! lerner konstanti defeats black's matthias thesing in 75 moves | 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3 Rb8 12. exf6 Rg8 13. h4 Bb7 14. Qe3 Nb6 15. O-O-O Nd5 16. Nxd5 Bxd5 17. f4 c6 18. a3 Bd6 19. f5 Qa5 20. Bf4 Bxf4 21. Qxf4 Kd7 22. fxe6+ Bxe6 23. Qe5 Rbe8 24. Be2 c3 25. d5 cxb2+ 26. Qxb2 cxd5 27. Qxb5+ Qxb5 28. Bxb5+ Kd6 29. Bxe8 Rxe8 30. h5 Bf5 31. Rd2 Rc8+ 32. Kb2 Rb8+ 33. Kc3 Rc8+ 34. Kd4 Rc4+ 35. Ke3 Ke5 36. h6 Bh7 37. Rh5+ Kxf6 38. Rhxd5 |
| ECO A04 in 2007 play it! lerner konstanti defeats black's lejlic samir in 105 moves | 1. Nf3 Nc6 2. d4 d5 3. Bg5 Bg4 4. Nbd2 f6 5. Bf4 Nxd4 6. Nxd4 e5 7. h3 Bc8 8. e4 exf4 9. Qh5+ g6 10. Qxd5 Qxd5 11. exd5 Bd7 12. O-O-O O-O-O 13. Bc4 Re8 14. Rhe1 Rxe1 15. Rxe1 Bc5 16. N2b3 Bd6 17. Bb5 Ne7 18. Bxd7+ Kxd7 19. c4 b6 20. Kc2 a6 21. Re2 Rc8 22. Kd3 b5 23. Na5 bxc4+ 24. Kxc4 Rb8 25. Nac6 Ra8 26. Nxe7 Bxe7 27. Nc6 Bd6 28. b4 g5 29. f3 h5 30. Re6 g4 31. hxg4 hxg4 32. Rxf6 Rh8 33. fxg4 Rh2 34. g5 Rxg2 35. g6 Ke8 36. a4 Rg4 37. Kd3 Rg3+ 38. Ke2 Rg2+ 39. Kf3 Rg3+ 40. Kf2 Rg5 41. b5 axb5 42. a5 b4 43. a6 Bc5+ 44. Ke2 b3 45. Rxf4 Rg1 46. g7 Rxg7 47. Rf1 Rg2+ 48. Kd3 Ra2 49. Kc4 Bd6 50. a7 b2 51. Rb1 Ra4+ 52. Kb5 Ra2 53. Na5 |
| ECO A05 in 1998 play it! lerner konstanti defeats black's werndl erich in 77 moves | 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c5 6. O-O cxd4 7. Nxd4 Nc6 8. Nc3 a6 9. Nc2 d6 10. Bd2 Be6 11. Ne3 Rb8 12. a4 Ne5 13. b3 Qd7 14. Ra2 Bh3 15. a5 h5 16. Ned5 Nxd5 17. Nxd5 Bxg2 18. Kxg2 h4 19. f3 e6 20. Nb6 Qe7 21. Bb4 Rfd8 22. Rd2 Bf8 23. Qc2 Nc6 24. Bc3 Qg5 25. Qb2 Qf5 26. g4 Qf4 27. Rd3 Ne5 28. Rd4 Qg5 29. h3 Nc6 30. f4 Qh6 31. Rd3 Bg7 32. Bxg7 Qxg7 33. Qd2 Qf8 34. Rd1 Kh7 35. Qe1 Qh6 36. g5 Qh5 37. Rxd6 Rxd6 38. Rxd6 Nxa5 39. Nd7 |
| ECO A05 in 1979 play it! lerner konstanti defeats black's gurgenidze bukhu in 76 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Nc6 4. d4 Bb4 5. e3 Bxc3+ 6. bxc3 Qe7 7. c5 e5 8. Ba3 e4 9. Nd2 O-O 10. Be2 Re8 11. O-O d6 12. cxd6 cxd6 13. Rb1 Qc7 14. c4 b6 15. Rb3 Ba6 16. Rc3 Na5 17. Qc2 Rac8 18. Bb2 Qd7 19. Nb3 Nc6 20. Ba3 d5 21. Rc1 Nd8 22. Nd2 dxc4 23. Bxc4 Bxc4 24. Rxc4 Rxc4 25. Nxc4 Ne6 26. Nd6 Rb8 27. Nxe4 Nxe4 28. Qxe4 Qa4 29. Qd3 h6 30. h3 b5 31. d5 Ng5 32. Bd6 Re8 33. a3 Ne4 34. Bb4 Nf6 35. d6 Nd7 36. Qf5 Rd8 37. Rc7 Nf6 38. Kh2 Qd1 |
| ECO A05 in 2007 play it! lerner konstanti defeats black's galje hans by checkmate in 77 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 cxd4 7. exd4 Bb4 8. Bd2 O-O 9. Bd3 Nc6 10. O-O Be7 11. Rc1 Ndb4 12. Bb1 Nxd4 13. Nxd4 Qxd4 14. Nb5 Qe5 15. Nc7 Bd6 16. g3 Nd5 17. Nxa8 Bd7 18. Qb3 b5 19. Rfe1 Qh5 20. Re4 h6 21. Rce1 Nf6 22. Qd3 Nxe4 23. Qxe4 f5 24. Qb7 Rf7 25. Bd3 f4 26. Bxf4 Bxf4 27. gxf4 Qg4+ 28. Qg2 Qxf4 29. Rd1 Qe5 30. Be4 Qxb2 31. f3 Qe5 32. Kh1 Qc5 33. Qg6 Kf8 34. Qg1 Qa3 35. Qg3 Ke7 36. Rxd7+ Kxd7 37. Qc7+ Ke8 38. Bc6+ Kf8 39. Qd8# |
| ECO A05 in 1990 play it! lerner konstanti defeats black's djuric s in 38 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb7 5. Bd3 d5 6. cxd5 exd5 7. e5 Ne4 8. O-O Nc5 9. Bf5 d4 10. b4 dxc3 11. bxc5 g6 12. Bc2 cxd2 13. Bxd2 Bxc5 14. Bb3 Qd3 15. e6 fxe6 16. Bxe6 Bxf3 17. gxf3 Nc6 18. Bc3 Qxd1 19. Raxd1 Ke7 |
| ECO A04 in 1987 play it! lerner konstanti defeats black's hodgson julian m in 47 moves | 1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. d4 c6 7. b3 Qe7 8. a4 O-O 9. Ba3 Nbd7 10. Bxd6 Qxd6 11. Nc3 Ne4 12. Qc2 a5 13. e3 b6 14. Ne2 Bb7 15. Nf4 Rac8 16. Rfd1 Qe7 17. Qb2 g5 18. Nd3 Rf6 19. Nfe5 Nxe5 20. Nxe5 g4 21. Bxe4 dxe4 22. c5 Rd8 23. cxb6 Qb4 24. Qa3 |
| ECO A05 in 1987 play it! lerner konstanti defeats black's vyzmanavin alexe in 71 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 Bxc3 6. bxc3 d6 7. O-O e5 8. d3 Re8 9. e4 c6 10. Re1 Nbd7 11. Ba3 Nf8 12. Qb3 Ng6 13. Rad1 Qc7 14. d4 c5 15. dxc5 dxc5 16. Nd2 Bg4 17. Rb1 Rad8 18. Nf1 b6 19. Ne3 Qd7 20. f3 Be6 21. Rbd1 Qc8 22. Nd5 Nxd5 23. cxd5 Bh3 24. c4 Rd6 25. Bb2 h5 26. Rd2 h4 27. Rf2 Bxg2 28. Kxg2 f5 29. exf5 Qxf5 30. Qc2 hxg3 31. hxg3 Nf4+ 32. gxf4 Rg6+ 33. Kf1 Qh3+ 34. Ke2 exf4+ 35. Kd2 Rxe1 36. Qxg6 |
| ECO A04 in 2007 play it! lerner konstanti defeats black's romanovich leoni in 115 moves | 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. h4 h5 8. Bc4 e6 9. d4 Bg7 10. e4 O-O 11. O-O Qa5 12. Bd2 Nc6 13. e5 Ne7 14. Rb1 Qc7 15. Bd3 b6 16. Be4 Bb7 17. Bxb7 Qxb7 18. dxc5 Qc7 19. cxb6 axb6 20. Qb3 Rfc8 21. Rfe1 Nd5 22. Nd4 Qc4 23. Qxc4 Rxc4 24. Rb2 Bf8 25. Nb5 Ba3 26. Nxa3 Rxa3 27. g3 Rca4 28. Ra1 Kg7 29. Kf1 Nxc3 30. Rxb6 Ne4 31. Rb2 Rf3 32. Bf4 Rfa3 33. Rc2 Rc3 34. Rxc3 Nxc3 35. a3 Kf8 36. Be3 Ke8 37. Bc5 Kd7 38. Bb4 Nd5 39. Bd6 Nb6 40. Rb1 Kc6 41. Rb3 Nc4 42. Rc3 Kd5 43. Rd3+ Kc6 44. Rd4 Kb5 45. Ke2 Ra5 46. Rf4 Nxd6 47. exd6 Ra7 48. Rd4 Rd7 49. f4 Kc5 50. Kd3 f6 51. Kc3 Kb5 52. a4+ Kc5 53. Rd1 e5 54. fxe5 fxe5 55. a5 e4 56. Ra1 Ra7 57. a6 Kxd6 58. Kd4 |
| ECO A05 in 1983 play it! lerner konstanti defeats black's polovodin i in 117 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Qc2 c6 9. h4 g6 10. O-O-O Nd7 11. e4 Bg7 12. cxd5 cxd5 13. e5 a6 14. Bd3 b5 15. Kb1 Bb7 16. Ne2 Qe7 17. Nf4 Rfc8 18. Qe2 b4 19. Rc1 a5 20. Bb5 Qd8 21. Nd3 Rxc1+ 22. Rxc1 Rc8 23. Nc5 Bc6 24. Nb3 a4 25. Rxc6 axb3 26. axb3 Rxc6 27. Bxc6 Nb6 28. g3 Nc8 29. Qa6 Qc7 30. Bb5 Bf8 31. Bd3 Ne7 32. g4 Nc6 33. h5 gxh5 34. gxh5 Be7 35. Bc2 f5 36. Bd3 Kf7 37. Bb5 Nb8 38. Qa4 Qb6 39. Kc2 Qc7+ 40. Kd2 Qb6 41. Kd3 Kf8 42. Ne1 Qc7 43. Nc2 Kf7 44. Be8+ Kf8 45. f4 Qc8 46. Bb5 Kf7 47. Qa7 Nc6 48. Qa1 Nb8 49. Ne3 Bh4 50. Qa7+ Be7 51. Kd2 Kf8 52. Nxf5 exf5 53. Qb6 Kg7 54. Qg6+ Kh8 55. Qxh6+ Kg8 56. Qg6+ Kh8 57. Be8 Nd7 58. h6 Bf8 59. Bf7 |
| ECO A05 in 1998 play it! lerner konstanti defeats black's rogers ian in 105 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a6 10. b4 a5 11. Rb1 axb4 12. axb4 Nd5 13. Nxd5 exd5 14. O-O Be7 15. Qc2 Nf6 16. Ne5 Ra6 17. Bd2 O-O 18. Ra1 Rxa1 19. Rxa1 Qb6 20. Bf5 Ra8 21. Rxa8+ Bxa8 22. Qa2 Bb7 23. f3 g6 24. Bh3 Kg7 25. Nd3 Qa6 26. Qxa6 Bxa6 27. Be1 Bb7 28. Bg3 Kf8 29. Kf2 Ke8 30. Nc5 Bxc5 31. dxc5 Ng8 32. Bd6 Kd8 33. g4 Bc8 34. Bf1 f6 35. h4 Ke8 36. Bd3 Kf7 37. Kg3 Nh6 38. Kf4 Kg7 39. Be7 Nf7 40. g5 fxg5+ 41. hxg5 h6 42. Bf6+ Kh7 43. e4 Be6 44. gxh6 dxe4 45. Bxe4 Bd7 46. Bg5 Be8 47. Bc2 Bd7 48. Bb3 Be8 49. Be6 Kg8 50. Kg3 Kh7 51. f4 Kh8 52. Kg4 Kh7 53. f5 |
| ECO A05 in 1988 play it! lerner konstanti defeats black's renet o in 95 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 c5 10. Rb1 Ne8 11. b4 b6 12. bxc5 bxc5 13. Nb3 a5 14. a4 Nc7 15. Nxc5 dxc5 16. d6 Ne6 17. dxe7 Qxe7 18. Nd5 Qa7 19. Be3 Nd4 20. Bxd4 exd4 21. f4 Be6 22. Kh1 Rab8 23. Qc2 Qd7 24. Rb5 Rxb5 25. axb5 Re8 26. Bd3 f5 27. e5 Kh8 28. Nb6 Qc7 29. Na4 g5 30. g4 fxg4 31. f5 Bc8 32. e6 Qe5 33. Be4 Bf6 34. Bd5 Rd8 35. Nb6 g3 36. Nxc8 Rxc8 37. b6 Rb8 38. b7 a4 39. Qxa4 Qe2 40. Bg2 d3 41. Qa8 Qe5 42. Qa2 Qe3 43. Rd1 Bc3 44. Qa8 Be5 45. e7 Bf4 46. Qa1+ Be5 47. Re1 Bxa1 48. Rxe3 |
| ECO A05 in 1980 play it! lerner konstanti defeats black's kuzmin gennadi p in 55 moves | 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. Nc3 Ne4 7. Bd2 O-O 8. d5 Nd6 9. b3 c6 10. O-O cxd5 11. cxd5 Bf6 12. Rc1 Qe7 13. Bf4 Bxc3 14. Rxc3 Ne4 15. d6 Qd8 16. Rc7 Bd5 17. Nd2 f5 18. f3 Nc5 19. b4 Nca6 20. b5 Nc5 21. e4 Qf6 22. Qa1 Qxa1 23. Rxa1 a6 24. exd5 axb5 25. dxe6 Nba6 26. exd7 Nxc7 27. dxc7 Nxd7 28. Bd6 |
| ECO A05 in 1991 play it! lerner konstanti defeats black's cuijpers f in 123 moves | 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Qc2 O-O 8. Be2 a6 9. d4 b5 10. O-O Bb7 11. c5 Bc7 12. b4 a5 13. a3 e5 14. e4 dxe4 15. Nxe4 Nxe4 16. Qxe4 f5 17. Qe3 e4 18. Ng5 Qe7 19. Qb3+ Kh8 20. Ne6 a4 21. Qa2 Nf6 22. d5 cxd5 23. Nxf8 Rxf8 24. Bd4 Bc6 25. f4 Nd7 26. Rac1 Rd8 27. g4 fxg4 28. Bxg4 Rf8 29. Qd2 Nf6 30. Bd1 Ng8 31. Bg4 Nh6 32. Bh3 Kg8 33. Rc3 Nf5 34. Bxf5 Rxf5 35. Rg3 g6 36. Bc3 Kf7 37. Rg5 Ke8 38. Rxf5 gxf5 39. Qe3 Qh4 40. Qg3 Bd8 41. Qg8+ Kd7 42. Qf7+ Kc8 43. Qxf5+ Kb7 44. Bd4 Bc7 45. Rf2 e3 46. Bxe3 d4 47. Bxd4 Qd8 48. Rd2 Qg8+ 49. Qg5 Qc4 50. Kf2 Qc1 51. f5 Qxa3 52. Qe3 Qc1 53. Be5 Qh1 54. Bxc7 Qg2+ 55. Ke1 Qh1+ 56. Kf2 Qg2+ 57. Ke1 Qh1+ 58. Ke2 Qg2+ 59. Kd3 Qd5+ 60. Kc2 Qc4+ 61. Qc3 Qe4+ 62. Kb2 |
| ECO A05 in 1998 play it! lerner konstanti defeats black's roesch arnd in 79 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. g3 c6 5. Bg2 e5 6. Nc3 Be7 7. O-O O-O 8. e4 a6 9. Rb1 b5 10. cxb5 cxb5 11. a3 Bb7 12. Re1 Qb8 13. Nh4 g6 14. Bh6 Rd8 15. d5 Nb6 16. b3 Bc8 17. h3 Bd7 18. Qd2 Ne8 19. Nf3 Rc8 20. Rec1 Ra7 21. g4 Rac7 22. Qd3 Ng7 23. Nd2 Kh8 24. Nf1 f5 25. gxf5 gxf5 26. Bxg7+ Kxg7 27. exf5 Kh8 28. Ng3 Bg5 29. Rc2 a5 30. Rbb2 a4 31. Nce4 Bc1 32. f6 axb3 33. Rxc7 Qxc7 34. Rxb3 Na4 35. Qf3 Bf4 36. Ne2 Qc2 37. Nxf4 exf4 38. Nxd6 Rf8 39. f7 Qc5 40. Qxf4 |
