| ECO B23 in 1991 play it! hebden mark l defeats black's stepak yedael in 77 moves | 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4 Bb7 7. Bg2 b4 8. Na4 Qa5 9. c3 Nf6 10. O-O Nxe4 11. cxb4 Bxb4 12. Be3 O-O 13. Rc1 f5 14. Ne2 Bc6 15. Nb6 Nd2 16. Bxc6 Nxc6 17. Nxa8 Rxa8 18. Bxd2 Bxd2 19. Rc2 Ne5 20. Nd4 Bb4 21. a3 Be7 22. Nf3 Nxf3+ 23. Qxf3 Rb8 24. Rd1 Qb5 25. Rc7 Qxb2 26. Rdxd7 Bf8 27. Kg2 Qb1 28. a4 a5 29. Qe3 Re8 30. Qe5 Qe4+ 31. Qxe4 fxe4 32. Ra7 Rc8 33. Rxa5 Rc2 34. Kf1 h6 35. Ra8 Rc1+ 36. Ke2 Rc2+ 37. Ke3 Rc3+ 38. Kxe4 Rc4+ 39. Kf3 |
| ECO B21 in 1983 play it! hebden mark l defeats black's can spraggett ke in 89 moves | 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bb5 Nd4 6. O-O a6 7. Be2 d6 8. a4 e6 9. d3 Ne7 10. Bd2 O-O 11. Kh1 b6 12. Nxd4 cxd4 13. Na2 Nc6 14. Nb4 Bb7 15. Nxc6 Bxc6 16. a5 b5 17. Bf3 Rc8 18. Qe2 Qd7 19. Bb4 Rfe8 20. Rae1 f5 21. Qf2 fxe4 22. dxe4 Bb7 23. b3 Kh8 24. Bg4 Rf8 25. Qd2 Rf7 26. Ba3 Rcf8 27. Kg1 g5 28. f5 exf5 29. exf5 Be5 30. Bb2 h5 31. Bxh5 Rxf5 32. Rxf5 Qxf5 33. Bxd4 Kh7 34. Bxe5 dxe5 35. h3 e4 36. Qd4 Qf6 37. Qxf6 Rxf6 38. Rf1 Kg7 39. Rxf6 Kxf6 40. Kf2 e3+ 41. Kxe3 Bxg2 42. Bg4 b4 43. Kd4 Bf1 44. Kc5 Ke5 45. Kxb4 |
| ECO B23 in 1989 play it! hebden mark l defeats black's watson williamn in 79 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Bc4 Nf6 8. h3 O-O 9. O-O Bd7 10. Re1 a6 11. Bb3 b5 12. Nd5 Re8 13. a4 bxa4 14. Bxa4 Nxd5 15. exd5 Ne5 16. b3 Qc7 17. Qd2 Qb7 18. Bxd7 Nxd7 19. Qa5 Rac8 20. Ra2 Rc5 21. Qxa6 Qxd5 22. c4 Qe4 23. Nf3 Rcc8 24. Bd4 Qd3 25. Rd2 Qxb3 26. Rxe7 Nc5 27. Bxc5 dxc5 28. Rdd7 Qb4 29. Kh2 Qb8+ 30. g3 Rxe7 31. Rxe7 Re8 32. Rb7 Qc8 33. Qb5 h6 34. Kg2 Rd8 35. Qb6 Bd4 36. Rc7 Qa8 37. Ra7 Qc8 38. h4 Kg7 39. h5 Qb8 40. Qxg6+ |
| ECO B23 in 1989 play it! hebden mark l defeats black's georgiev krum in 43 moves | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. Qd2 Be7 8. f4 O-O 9. Be2 a6 10. O-O-O Nd7 11. Kb1 Re8 12. Qe1 Qc7 13. Qg3 Bf8 14. Rhf1 Na5 15. e5 dxe5 16. fxe5 Nc5 17. Nf3 Nc6 18. Ng5 Nd8 19. Bxc5 Bxc5 20. Qd3 g6 21. Qh3 h5 22. Bxh5 |
| ECO B23 in 1989 play it! hebden mark l defeats black's ward christopher in 52 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Be2 O-O 8. O-O d6 9. Kh1 Be6 10. Bg5 h6 11. Bh4 g5 12. Bg3 d5 13. Nc5 Nxe4 14. N3xe4 dxe4 15. Nxe6 fxe6 16. Bg4 Nd4 17. c3 Nf5 18. Qa4 e3 19. Qe4 Qb6 20. fxe3 Kh8 21. Be5 Nxe3 22. Qg6 Rf6 23. Rxf6 exf6 24. Bxf6 Bxf6 25. Qxh6+ Kg8 26. Qg6+ Bg7 |
| ECO B23 in 1988 play it! hebden mark l defeats black's agnos dimitri in 83 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 h6 5. d3 g5 6. Nd5 Bg7 7. a3 Nge7 8. h4 g4 9. Nh2 h5 10. Bg5 d6 11. f3 Qd7 12. Bb5 Ng8 13. Nf1 f6 14. Be3 Qd8 15. Ng3 Ne7 16. Qd2 Bd7 17. Nxe7 Nxe7 18. Bxd7+ Qxd7 19. b4 f5 20. Bg5 f4 21. Bxe7 fxg3 22. Bg5 cxb4 23. axb4 d5 24. O-O O-O 25. Rae1 dxe4 26. Rxe4 Rf5 27. fxg4 Rxf1+ 28. Kxf1 Rf8+ 29. Kg1 Qa4 30. Qe3 Qxc2 31. Qxg3 hxg4 32. Kh2 Qd1 33. Re1 Qc2 34. Re3 Qd1 35. Re1 Qc2 36. Re4 Qd1 37. Qxg4 Qxd3 38. Bh6 Rf7 39. Bxg7 Rxg7 40. Qe6+ Kh8 41. Qxe5 Qd1 42. Rd4 |
| ECO B21 in 1983 play it! hebden mark l defeats black's bjarke kristense in 88 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Nc3 d5 5. Bb5 Ne7 6. exd5 exd5 7. Qe2 Qd6 8. Ne5 f6 9. Bxc6+ bxc6 10. Nf3 g6 11. b3 Kf7 12. Ba3 Qxf4 13. Bxc5 Nf5 14. Bxf8 Rxf8 15. O-O Kg8 16. Rae1 Bd7 17. Qf2 Rf7 18. Na4 d4 19. Nc5 Qd6 20. Ne4 Qd5 21. c4 dxc3 22. dxc3 Qa5 23. c4 Raf8 24. h3 Qc7 25. Nd4 Ng7 26. c5 Ne8 27. Qc2 h6 28. Qc4 f5 29. Nc3 Kh7 30. Nf3 Ng7 31. Qh4 Nh5 32. Ne5 Rf6 33. Nc4 Be6 34. Nd6 Qa5 35. Qd4 Qd8 36. Re5 Ng7 37. Rfe1 f4 38. Nce4 f3 39. Nxf6+ Qxf6 40. Rf1 Bd5 41. Rxd5 cxd5 42. Qxf6 Rxf6 43. Rxf3 Re6 44. Rd3 Re5 |
| ECO B23 in 1988 play it! hebden mark l defeats black's santo roman marc in 119 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. Ng5 f6 8. exf6 Nxf6 9. O-O e6 10. d4 Qb6 11. c4 a6 12. dxc5 Bxc5 13. Nc3 Qc6 14. Nce4 O-O 15. Nxc5 Qxc5 16. b3 b5 17. Qf3 Rb8 18. Be3 Qe7 19. Bf4 Bb7 20. Qd3 e5 21. Rfe1 d6 22. c5 Qd7 23. Bg3 Qc6 24. f3 Qxc5+ 25. Kh1 Qb6 26. Rad1 h6 27. Ne6 Rfe8 28. Qxd6 Bxf3 29. Nxg7 Bxd1 30. Nxe8 Qxd6 31. Nxd6 Bg4 32. h3 Bd7 33. Rxe5 Rb6 34. Re7 Rc6 35. Be5 Rc1+ 36. Kh2 Rd1 37. Nf7 Kg7 38. Nxh6+ Kxh6 39. Bxf6 Kg6 40. Bc3 Rd3 41. Be1 Kf6 42. Re2 Be6 43. Rd2 Re3 44. Bf2 Re4 45. g4 a5 46. Bd4+ Kf7 47. Kg3 a4 48. bxa4 bxa4 49. a3 Kg6 50. Bc5 Rc4 51. Bb4 Kf6 52. Rd6 Kf7 53. Ra6 Bd7 54. Kh4 Rd4 55. Kh5 Be8 56. Ra8 Bd7 57. g5 Bc6 58. g6+ Kg7 59. Bc3 Bxa8 60. Bxd4+ |
| ECO B23 in 1989 play it! hebden mark l defeats black's franck arino in 53 moves | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. f4 d6 7. Nf3 a6 8. Bd3 Nf6 9. O-O Be7 10. a4 b6 11. Qe1 Nd7 12. b4 Bf6 13. Bb2 Bb7 14. Kh1 Rc8 15. b5 Na7 16. e5 dxe5 17. fxe5 Nxe5 18. Nd5 Bxd5 19. Nxe5 Bxe5 20. Bxe5 Qd7 21. Rd1 axb5 22. Be4 Rc5 23. Qg3 f6 24. Bd6 Kf7 25. Bxc5 bxc5 26. Qh3 Rd8 27. Qxh7 |
| ECO B23 in 1988 play it! hebden mark l defeats black's anagnostopoulos in 83 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 h6 5. d3 g5 6. Nd5 Bg7 7. a3 Nge7 8. h4 g4 9. Nh2 h5 10. Bg5 d6 11. f3 Qd7 12. Bb5 Ng8 13. Nf1 f6 14. Be3 Qd8 15. Ng3 Nge7 16. Qd2 Bd7 17. Nxe7 Nxe7 18. Bxd7+ Qxd7 19. b4 f5 20. Bg5 f4 21. Bxe7 fxg3 22. Bg5 cxb4 23. axb4 d5 24. O-O O-O 25. Rae1 dxe4 26. Rxe4 Rf5 27. fxg4 Rxf1+ 28. Kxf1 Rf8+ 29. Kg1 Qa4 30. Qe3 Qxc2 31. Qxg3 hxg4 32. Kh2 Qd1 33. Re1 Qc2 34. Re3 Qd1 35. Re1 Qc2 36. Re4 Qd1 37. Qxg4 Qxd3 38. Bh6 Rf7 39. Bxg7 Rxg7 40. Qe6+ Kh8 41. Qxe5 Qd1 42. Rd4 |
| ECO B23 in 1989 play it! hebden mark l defeats black's kempinski a in 51 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Qc7 5. O-O a6 6. Bxc6 Qxc6 7. d4 cxd4 8. Nxd4 Qc7 9. Bg5 e6 10. Re1 Bb4 11. e5 Bxc3 12. bxc3 Nd5 13. Nf5 exf5 14. Qxd5 h6 15. Qd6 Qxd6 16. exd6+ Kf8 17. Bd8 b5 18. Re7 Kg8 19. Bb6 Bb7 20. Rxd7 Bd5 21. Re7 Kh7 22. d7 Be6 23. Rd1 Rhd8 24. Bxd8 Rxd8 25. Rd6 a5 26. Re8 |
| ECO B21 in 1982 play it! hebden mark l defeats black's muir andrew j in 51 moves | 1. e4 c5 2. f4 e6 3. Nf3 Nf6 4. Nc3 Nc6 5. Bb5 Be7 6. Bxc6 dxc6 7. O-O O-O 8. d3 Qc7 9. Kh1 a5 10. a4 Rb8 11. Ng5 b5 12. f5 b4 13. Ne2 exf5 14. exf5 Bd6 15. b3 Re8 16. Bb2 Ng4 17. Ng3 Bxg3 18. Qxg4 Be5 19. Rae1 Ba6 20. Bxe5 Rxe5 21. Qh5 h6 22. Rxe5 Qxe5 23. Qxf7+ Kh8 24. Ne6 Rg8 25. f6 g5 26. Nf8 |
| ECO B21 in 1983 play it! hebden mark l defeats black's lein anatoly in 57 moves | 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. g3 d6 5. Nc3 Nc6 6. d3 Rb8 7. Bg2 b5 8. O-O b4 9. Nd5 Nf6 10. Nxf6+ Bxf6 11. a3 a5 12. axb4 axb4 13. h3 O-O 14. g4 Qb6 15. Kh1 Bd7 16. Nd2 Na5 17. f5 Bb5 18. g5 Bh8 19. f6 exf6 20. gxf6 Rfe8 21. Nf3 c4 22. Qd2 cxd3 23. Qh6 Re5 24. Ng5 Rxg5 25. Bxg5 dxc2 26. Rf4 Be2 27. Rh4 Bh5 28. e5 d5 29. Be3 |
| ECO B21 in 1986 play it! hebden mark l defeats black's kwiatkowski f in 127 moves | 1. e4 c5 2. f4 d5 3. Nc3 e6 4. Nf3 Nc6 5. Bb5 Nge7 6. exd5 Nxd5 7. Ne5 Bd7 8. Bxc6 Bxc6 9. Nxc6 bxc6 10. O-O Be7 11. Qe2 O-O 12. Nd1 Bf6 13. Ne3 Rb8 14. c3 Nxe3 15. dxe3 Qb6 16. g4 e5 17. g5 Be7 18. c4 exf4 19. exf4 Rbe8 20. Qg4 f5 21. Qg3 Bd6 22. b3 Qc7 23. Bd2 Re2 24. Bc3 Re4 25. Bd2 Re2 26. Rad1 Rfe8 27. h4 R8e4 28. Qf3 Qe7 29. Rf2 Rxf2 30. Kxf2 Qc7 31. Re1 Rd4 32. Re8+ Kf7 33. Re2 g6 34. Be3 Re4 35. Bc1 Rd4 36. Kg3 Qd7 37. Kg2 Qc7 38. Rf2 Re4 39. Qc3 Bxf4 40. Qh8 Qd6 41. Qxh7+ Kf8 42. Qh8+ Kf7 43. Bxf4 Rxf4 44. Rxf4 Qxf4 45. Qf6+ Kg8 46. Qxg6+ Kf8 47. Qf6+ Kg8 48. Qd8+ Kg7 49. Qd7+ Kf8 50. Qd3 Qg4+ 51. Qg3 Qe2+ 52. Kh3 Qf1+ 53. Qg2 Qd3+ 54. Kh2 Qd6+ 55. Qg3 f4 56. Qf3 Qe5 57. Kg2 Kg7 58. Qd3 Qe6 59. Kf3 Qh3+ 60. Ke4 Qxh4 61. Qd7+ Kf8 62. Qd8+ Kg7 63. Qf6+ Kg8 64. Qg6+ |
| ECO B23 in 1992 play it! hebden mark l defeats black's durpaire in 76 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Bd7 6. Be2 Nf6 7. Bg5 a6 8. Bxf6 gxf6 9. O-O Rc8 10. Kh1 Nxd4 11. Qxd4 Bg7 12. f4 O-O 13. Rf3 Kh8 14. f5 Bc6 15. Bd3 Rg8 16. Raf1 Bh6 17. Rh3 Qf8 18. Nd5 Re8 19. Be2 Bg5 20. Rh5 Qg7 21. Bf3 e5 22. Qd1 Rd8 23. Re1 Rge8 24. c3 Rd7 25. a4 Bxd5 26. Qxd5 Rc8 27. Qd3 Bf4 28. g3 Bg5 29. Bd1 Rcd8 30. Bb3 Bh6 31. Bd5 Qf8 32. Qe2 Qg7 33. Qg2 Bg5 34. Qf3 Rg8 35. a5 Bh6 36. Ra1 Bg5 37. Ra4 Qf8 38. Rb4 Qd8 |
| ECO C36 in 1982 play it! hebden mark l defeats black's upton timothy j in 57 moves | 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bc4 Nxd5 6. O-O Be7 7. d4 O-O 8. Bxd5 Qxd5 9. Bxf4 c5 10. Nc3 Qf5 11. Qd2 Nc6 12. d5 Nb4 13. Rae1 Bf6 14. Bd6 Rd8 15. Bxc5 Nxc2 16. Nd4 Bxd4+ 17. Bxd4 Qg6 18. Re7 Bf5 19. Rxb7 Re8 20. Bc5 Rac8 21. b4 a5 22. d6 Bd3 23. d7 Bxf1 24. dxc8=Q Rxc8 25. Nd5 Kh8 26. Ne7 Qxg2+ 27. Qxg2 Bxg2 28. Kxg2 Rd8 29. bxa5 |
| ECO C07 in 2001 play it! hebden mark l defeats black's summerscale aaro in 75 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 Be7 8. O-O g5 9. dxc5 g4 10. Nd4 Ncxe5 11. Bb5 Bxc5 12. Re1 Bd6 13. f4 gxf3 14. N2xf3 Nxf3+ 15. Qxf3 Bxh2+ 16. Kf1 Qh4 17. Be3 O-O 18. Bf2 Qh6 19. g3 Nf6 20. Kg2 Ne4 21. Be3 Qg6 22. Kxh2 e5 23. Nb3 Bg4 24. Qg2 f5 25. Be2 Qh5+ 26. Kg1 Kh8 27. Qh2 Qg6 28. Qh6 Qg8 29. Bxg4 Qxg4 30. Qh4 Qg6 31. Kh2 f4 32. Bc5 fxg3+ 33. Kg1 Rf2 34. Rxe4 dxe4 35. Re1 Rf4 36. Qe7 Qh5 37. Qxe5+ Qxe5 38. Bd4 |
| ECO B13 in 1999 play it! hebden mark l defeats black's hansen torbjorn in 69 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. Be2 Nbd7 9. Bf3 Nb6 10. Bg5 Bg4 11. Bxf6 Bxf3 12. Nxf3 Bxf6 13. O-O Qd6 14. Ne5 Rfd8 15. Rfe1 Nxd5 16. Qxb7 Rab8 17. Qxa7 Rxb2 18. Ne4 Qe6 19. Qa5 Nb6 20. Qc3 Na4 21. Qa5 Rxd4 22. Nf3 Rdb4 23. a3 Rc4 24. Ned2 Qc6 25. Nxc4 Qxc4 26. Rad1 Kg7 27. Qd5 Qxd5 28. Rxd5 Rb3 29. Ne5 Rxa3 30. Ra5 Rb3 31. g3 Nc3 32. Ng4 Bd4 33. Rxe7 h5 34. Ne5 Rb2 35. Rxf7+ |
| ECO B14 in 1999 play it! hebden mark l defeats black's scannell steven in 51 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 O-O 9. O-O Nc6 10. Re1 Bf6 11. Be4 Nce7 12. Ne5 g6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Qf3 Nxc3 16. bxc3 Qc7 17. Qf4 Qxc3 18. Rac1 Qa5 19. h4 f6 20. Ng4 Nd5 21. Bxd5 Qxd5 22. Rc5 g5 23. hxg5 fxg5 24. Qe3 Qd8 25. Rxg5+ Kf7 26. d5 |
| ECO B14 in 1987 play it! hebden mark l defeats black's einarsson halldr in 105 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. O-O O-O 10. Re1 b6 11. Nxd5 Qxd5 12. Be4 Qd6 13. Qc2 Bb7 14. Bxh7+ Kh8 15. Be4 Bf6 16. Qe2 Nxd4 17. Nxd4 Bxe4 18. Nxe6 Qxe6 19. Qxe4 Qxe4 20. Rxe4 Rfd8 21. Be3 Bxb2 22. Rb1 Bf6 23. g4 Rd5 24. Rc1 Rad8 25. Kg2 Kg8 26. Rc7 R5d7 27. Rcc4 g6 28. Ra4 Rc8 29. Ra6 Bc3 30. Ra3 Bb2 31. Rb3 Bc3 32. h4 Bd2 33. Rd4 Rcd8 34. Rbd3 Rxd4 35. Rxd4 Rxd4 36. Bxd4 f5 37. gxf5 gxf5 38. Kf3 Kh7 39. Be3 Bxe3 40. fxe3 Kg6 41. Kf4 b5 42. h5+ Kf6 43. h6 b4 44. h7 Kg7 45. Kxf5 a5 46. Ke4 Kxh7 47. Kd4 a4 48. Kc4 b3 49. axb3 axb3 50. Kxb3 Kg6 51. Kc4 Kf5 52. Kd5 Kf6 53. e4 |