| ECO B33 in 1978 play it! speelman jonatha defeats white's ripley john m in 56 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. Qd2 e6 8. O-O-O Bd7 9. f4 b5 10. Nxc6 Bxc6 11. Qe3 h6 12. Bh4 Ng4 13. Qg3 g5 14. Qxg4 gxh4 15. Bd3 b4 16. Nd5 h5 17. Qe2 Qa5 18. Bc4 Bg7 19. f5 Bb5 20. fxe6 fxe6 21. Nf4 Rc8 22. Bxb5+ axb5 23. Nxe6 Be5 24. Nd4 Rc4 25. Nf3 b3 26. axb3 Qa1+ 27. Kd2 Rxc2+ 28. Kd3 Rc3+ |
| ECO B61 in 1973 play it! speelman jonatha defeats white's grillitsch karl in 114 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. Be2 h6 9. Be3 Nxd4 10. Bxd4 Qa5 11. O-O e5 12. Be3 d5 13. Nxd5 Qxd2 14. Nxf6+ gxf6 15. Bxd2 Rxc2 16. Rfd1 Rxb2 17. Bc4 Bc5 18. Rab1 Rxb1 19. Rxb1 b6 20. Kf1 Ke7 21. Ke2 h5 22. Be3 Rc8 23. Bb3 Bb5+ 24. Kf3 Bxe3 25. Kxe3 Rc3+ 26. Kd2 Rd3+ 27. Ke1 Rd4 28. f3 Bc4 29. Bxc4 Rxc4 30. Kd2 Ra4 31. Rb2 Ra3 32. Ke2 Ke6 33. Rc2 b5 34. Kf2 h4 35. g3 h3 36. g4 b4 37. Rd2 a5 38. Kg3 Ke7 39. Kf2 Rc3 40. Kg3 a4 41. Rd5 b3 42. axb3 axb3 43. Kf2 Rc2+ 44. Kg3 b2 45. Rb5 Kd6 46. Kxh3 Kc6 47. Rb8 Kc5 48. Kg3 Kd4 49. h4 Kc3 50. Rc8+ Kd2 51. Rd8+ Kc1 52. Rb8 b1=Q 53. Rxb1+ Kxb1 54. g5 fxg5 55. hxg5 Rc6 56. Kg4 Kc2 57. Kf5 Re6 |
| ECO B33 in 1977 play it! speelman jonatha defeats white's price by checkmate in 72 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 Be6 8. Bg5 a6 9. Na3 Nb4 10. Bc4 Rc8 11. b3 Be7 12. Bxf6 Bxf6 13. O-O O-O 14. Nd5 Nxd5 15. Bxd5 Qe7 16. c4 Qd7 17. Qd2 Bd8 18. Bxe6 fxe6 19. Rfe1 Bb6 20. Rf1 Rf4 21. Rae1 Rcf8 22. Re2 Qf7 23. b4 Ba7 24. c5 dxc5 25. b5 c4 26. Nxc4 Bd4 27. Nb2 axb5 28. axb5 Qg6 29. Kh1 Qh5 30. f3 Rh4 31. g3 Rxf3 32. Rc1 Rxg3 33. Rc8+ Kf7 34. Rf2+ Kg6 35. Rg2 Rxh2+ 36. Rxh2 Rg1# |
| ECO B30 in 1978 play it! speelman jonatha defeats white's whitehead paul a in 134 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. a4 e6 5. O-O a6 6. Bxc6 Qxc6 7. Nc3 b6 8. Re1 Bb7 9. d4 cxd4 10. Nd5 Rc8 11. Qxd4 f6 12. c3 Be7 13. Nxe7 Nxe7 14. Be3 b5 15. axb5 Qxb5 16. Nd2 Nc6 17. Qd6 Ne5 18. f4 Nc4 19. Nxc4 Rxc4 20. Bd4 Rf8 21. b3 Rc6 22. Qa3 Ba8 23. c4 Qb7 24. Re3 Kf7 25. Rd1 Qc7 26. Rf1 Rb8 27. Rg3 a5 28. Rff3 Qd6 29. Qa1 Qb4 30. Bc3 Qf8 31. Bd4 Rcc8 32. Qxa5 Bxe4 33. Re3 Bf5 34. Rgf3 Qd6 35. Qc3 Rxb3 36. Qxb3 Qxd4 37. h3 Rxc4 38. Kh2 Rc2 39. Rc3 Rd2 40. Rc4 Qd5 41. Rcc3 Be4 42. Qxd5 Bxd5 43. Rg3 Rf2 44. Rc7 Bc6 45. Rc3 Kg6 46. R7xc6 dxc6 47. Kg3 Rd2 48. Rxc6 Rd3+ 49. Kf2 Kf5 50. Rc7 Kxf4 51. Rxg7 Rd2+ 52. Kf1 h5 53. Rg6 Kf5 54. Rh6 Kg5 55. Rh8 Rd4 56. Ra8 e5 57. Kf2 Rb4 58. Ra3 Rb2+ 59. Kf1 f5 60. Rg3+ Kf4 61. Rf3+ Ke4 62. Ra3 Rd2 63. Ra5 h4 64. Ra4+ Ke3 65. Ra3+ Rd3 66. Ra1 e4 67. Re1+ Kf4 |
| ECO B56 in 1980 play it! speelman jonatha defeats white's kagan shimon in 77 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 g6 7. Nde2 Bg7 8. Bg2 Bd7 9. Nd5 Qc8 10. h3 O-O 11. a4 Re8 12. Be3 Na5 13. Ra2 Nc4 14. Bc1 Nxd5 15. exd5 e5 16. dxe6 Bxe6 17. b3 Ne5 18. Kf1 d5 19. Kg1 Nc6 20. Ba3 d4 21. Kh2 Qd7 22. Nf4 Bf5 23. Nd3 h5 24. Bc1 Ne5 25. Nf4 Rac8 26. Re1 Nc6 27. Bd2 Rxe1 28. Qxe1 Re8 29. Qf1 Be4 30. Bxe4 Rxe4 31. Qd3 Re8 32. Qb5 a6 33. Qc5 Bf8 34. Qg5 Ne5 35. Nxh5 Nf3+ 36. Kg2 Qc6 37. Nf6+ Kh8 38. Qd5 Qxd5 39. Nxd5 |
| ECO B63 in 1989 play it! speelman jonatha defeats white's harandi khosro i in 24 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. Ndb5 Qa5 10. Bxf6 Bxf6 11. Nxd6 Rd8 12. Nc4 Rxd2 |
| ECO B33 in 1977 play it! speelman jonatha defeats white's mestel a jonatha by checkmate in 46 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 g6 7. Nde2 Bg7 8. Bg2 Bd7 9. h3 Qc8 10. g4 Rb8 11. g5 Nh5 12. Nd5 f5 13. Bf3 fxe4 14. Bxh5 gxh5 15. Ng3 Nd4 16. Nf6+ Bxf6 17. Qxh5+ Kd8 18. gxf6 Qc4 19. fxe7+ Kc8 20. Rb1 Nxc2+ 21. Kd1 Nd4 22. Kd2 Qd3+ 23. Ke1 Nc2# |
| ECO B33 in 1974 play it! speelman jonatha defeats white's mabbs d in 60 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nxc6 bxc6 8. O-O e6 9. e5 dxe5 10. Qe2 Qc7 11. Re1 Bd6 12. Bg5 h6 13. Bxf6 gxf6 14. Ne4 Be7 15. Ng3 Kf8 16. c3 a5 17. Rad1 a4 18. Nh5 Ra5 19. Qg4 Rg8 20. Qh3 f5 21. b4 axb3 22. axb3 Rg4 23. Be2 Re4 24. Qf3 Bg5 25. c4 Ra2 26. Ng3 Rd4 27. Nf1 c5 28. Qc3 Rxe2 29. Rxe2 Rxd1 30. Rxe5 Bf6 |
| ECO B33 in 1980 play it! speelman jonatha defeats white's sh kagan in 77 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 g6 7. Nde2 Bg7 8. Bg2 Bd7 9. Nd5 Qc8 10. h3 O-O 11. a4 Re8 12. Be3 Na5 13. Ra2 Nc4 14. Bc1 Nxd5 15. exd5 e6 16. dxe6 Bxe6 17. b3 Ne5 18. Kf1 d5 19. Kg1 Nc6 20. Ba3 d4 21. Kh2 Qd7 22. Nf4 Bf5 23. Nd3 h5 24. Bc1 Ne5 25. Nf4 Rac8 26. Re1 Nc6 27. Bd2 Rxe1 28. Qxe1 Re8 29. Qf1 Be4 30. Bxe4 Rxe4 31. Qd3 Re8 32. Qb5 a6 33. Qc5 Bf8 34. Qg5 Ne5 35. Nxh5 Nf3+ 36. Kg2 Qc6 37. Nf6+ Kh8 38. Qd5 Qxd5 39. Nxd5 |
| ECO B24 in 1981 play it! speelman jonatha defeats white's kindermann stefa in 84 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 b6 7. Nh3 Nge7 8. Qd2 h6 9. f4 d5 10. Bf2 dxe4 11. dxe4 Qxd2+ 12. Kxd2 Bb7 13. e5 O-O-O+ 14. Kc1 f6 15. exf6 Bxf6 16. Ne4 Bd4 17. c3 Bxf2 18. Nhxf2 e5 19. fxe5 Nxe5 20. Re1 Nf5 21. Nd6+ Nxd6 22. Bxb7+ Kxb7 23. Rxe5 Rhf8 24. Re2 Ne4 25. Nd1 Rf1 26. Kc2 Nd6 27. Rc1 Re8 28. Rxe8 Nxe8 29. Kd2 Nd6 30. Ke2 Rh1 31. h4 Nf5 32. g4 Nxh4 33. Rc2 Ng2 34. Nf2 Re1+ 35. Kf3 Nh4+ 36. Kg3 g5 37. Kh2 Kc6 38. Nh1 Re3 39. Rf2 Nf3+ 40. Kg2 Ne5 41. Rf6+ Kd5 42. Nf2 Re2 |
| ECO B52 in 1973 play it! speelman jonatha defeats white's diesen mark c in 60 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 Nf6 10. f3 O-O 11. O-O Rfc8 12. b3 a6 13. Rc1 Nxd4 14. Bxd4 b5 15. cxb5 axb5 16. Qd2 Rc6 17. Bxf6 Bxf6 18. Nd5 Qa7+ 19. Kh1 Rxc1 20. Nxf6+ exf6 21. Rxc1 Qxa2 22. Qxd6 Qb2 23. Qc5 Ra2 24. Rg1 Qxb3 25. e5 fxe5 26. Qxe5 Qb2 27. Qd5 b4 28. f4 Ra1 29. f5 Rxg1+ 30. Kxg1 Qb1+ |
| ECO B53 in 1983 play it! speelman jonatha defeats white's kirov n in 70 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 g6 7. Bg2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. h3 Bd7 11. Qd1 Rc8 12. a4 Rc4 13. Qd3 Qc8 14. Kh2 Be6 15. Ra3 Rc5 16. Rh1 a6 17. g4 b5 18. axb5 axb5 19. Ra5 Qc7 20. Rxb5 Rxc3 21. bxc3 Bc4 22. Rb7 Qc8 23. e5 Nxg4+ 24. hxg4 Bxd3 25. cxd3 Qxg4 26. f4 dxe5 27. Rf1 exf4 28. d4 Qg3+ 29. Kh1 Qxc3 30. Rxe7 f3 31. Bxf3 Qxd4 32. Re4 Qd3 33. Bg2 h5 34. Bg5 Rb8 35. Re7 Qg3 |
| ECO B60 in 1987 play it! speelman jonatha defeats white's delaney john irl in 122 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Be2 e6 8. O-O a6 9. Qd3 h6 10. Nxc6 Bxc6 11. Bf4 b5 12. a3 Be7 13. Rad1 e5 14. Bc1 O-O 15. Nd5 Bxd5 16. exd5 Nd7 17. Qf5 Bg5 18. Kh1 g6 19. Qh3 Kg7 20. f4 exf4 21. Bxf4 Bxf4 22. Rxf4 Qe7 23. Rdf1 Rae8 24. a4 Nc5 25. Bd3 bxa4 26. Qg3 Nxd3 27. Qxd3 Qe5 28. Rxa4 Qxb2 29. Rxa6 Qe5 30. Rc6 Re7 31. c4 Ra8 32. c5 dxc5 33. h3 Ra1 34. Rxc5 Rxf1+ 35. Qxf1 Ra7 36. Qd1 Ra1 37. Rc1 Rxc1 38. Qxc1 Qxd5 39. Qc3+ Kh7 40. Qc7 g5 41. Qb8 Qd4 42. Qc8 Kg7 43. Kh2 h5 44. Kh1 Qe3 45. Kh2 Qf4+ 46. Kh1 g4 47. hxg4 hxg4 48. Qc3+ Kg6 49. Qd3+ Kh6 50. Qd8 g3 51. Qb6+ f6 52. Qe3 Qg5 53. Qc5 Qh5+ 54. Qxh5+ Kxh5 55. Kg1 Kg4 56. Kf1 Kf4 57. Ke2 Ke4 58. Kd2 f5 59. Ke2 f4 60. Ke1 Ke3 61. Kf1 Kd2 |
| ECO B53 in 1990 play it! speelman jonatha defeats white's kijkers in 106 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. O-O e6 8. Bg5 Be7 9. Re1 O-O 10. Nxc6 Bxc6 11. Bxc6 bxc6 12. e5 dxe5 13. Qf3 Nd5 14. Bxe7 Qxe7 15. Rxe5 Rab8 16. b3 Qf6 17. Qg3 Rb4 18. Rae1 Rf4 19. Nxd5 cxd5 20. Qe3 a6 21. g3 Rf3 22. Qe2 g6 23. Re3 Rxe3 24. Qxe3 Rc8 25. Rc1 Qb2 26. c4 d4 27. Qe1 Qxa2 28. Qd1 Qb2 29. Rb1 Qc3 30. Rc1 Qb4 31. Qxd4 Qxb3 32. c5 Qb5 33. Qd6 Qb4 34. Qxa6 Rxc5 35. Qa8+ Kg7 36. Qa1+ e5 37. Rxc5 Qxc5 38. Kg2 Qd4 39. Qe1 g5 40. Qe2 h6 41. h3 Qd5+ 42. f3 h5 43. g4 h4 44. Qe3 Kg6 45. Qe4+ Qxe4 46. fxe4 Kf6 47. Kf3 Ke6 48. Ke3 Kd6 49. Kd3 Kc5 50. Kc3 f6 51. Kd3 Kb4 52. Ke3 Kc4 53. Kf3 Kd4 |
| ECO B23 in 1978 play it! speelman jonatha defeats white's roos l in 80 moves | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. g3 Nge7 7. Nb3 b6 8. Bg2 Bb7 9. O-O Nc8 10. Bf4 d6 11. Qg4 Qc7 12. Rad1 g6 13. e5 dxe5 14. Bg5 Be7 15. Bxe7 N8xe7 16. Qg5 h6 17. Qf6 O-O 18. g4 Kh7 19. Rd3 Ng8 20. Qh4 Rad8 21. Rh3 Nd4 22. Nxd4 Rxd4 23. Bxb7 Qxb7 24. Qg3 Qc7 25. Re1 Rf4 26. f3 f5 27. g5 b5 28. gxh6 b4 29. Ne2 Rc4 30. c3 bxc3 31. Nxc3 Qb6+ 32. Qf2 Rb8 33. Re2 Nf6 34. Qxb6 Rxb6 35. Rd2 Rd4 36. Re2 Nh5 37. Rxe5 Nf4 38. Rh4 Rxb2 39. Rc5 Ne2+ 40. Nxe2 Rxh4 |
| ECO B33 in 1978 play it! speelman jonatha defeats white's meulders r in 74 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Nxc6 Bxc6 12. Qe1 Be7 13. f5 Qa5 14. Kb1 b4 15. Ne2 Bxe4 16. fxe6 fxe6 17. Nd4 Qe5 18. Bd3 Bxg2 19. Nxe6 Kf7 20. Nc7 Rac8 21. Bc4+ Kf8 22. Ne6+ Ke8 23. Bb3 Be4 24. Rf1 Rg8 25. Nf4 Rg4 26. Qd2 a5 27. Nd5 Rc5 28. Ba4+ Kd8 29. Ne3 Rh4 30. Rf2 f5 31. Bb3 Kc7 32. Qd4 Qxd4 33. Rxd4 Bg5 34. Nd5+ Kc6 35. Ba4+ Kb7 36. Bb3 Bxc2+ 37. Bxc2 Rxd4 |
| ECO B50 in 2004 play it! speelman jonatha defeats white's houska jo in 138 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bg4 5. h3 Bh5 6. O-O e6 7. Re1 Be7 8. d4 O-O 9. dxc5 Nxe4 10. cxd6 Bxd6 11. Nbd2 Nxd2 12. Bxd2 Nc6 13. Be3 Qc7 14. Nd4 Nxd4 15. Bxh5 Nf5 16. Qb3 Nxe3 17. Rxe3 Bc5 18. Re2 Rad8 19. Bf3 Rd7 20. Rd1 Rfd8 21. Rxd7 Rxd7 22. Qc2 Qf4 23. b4 Bd6 24. Kf1 Bf8 25. Kg1 g6 26. a3 Rc7 27. Re4 Qf6 28. Re3 Bd6 29. g3 a5 30. Qd3 Be5 31. c4 Bd4 32. Re2 axb4 33. axb4 Rxc4 34. Qxc4 Qxf3 35. Qxd4 Qxe2 36. Kg2 Qb5 37. Qd8+ Kg7 38. Qd4+ e5 39. Qd2 Qc6+ 40. Kh2 Qe4 41. b5 Qd4 42. Qc2 h5 43. h4 Qd5 44. Qb2 b6 45. Kg1 Kf6 46. Qb1 Qc4 47. Qb2 Ke6 48. Qb1 Kd6 49. Qd1+ Kc5 50. Qd7 Qd5 51. Qe8 Qe6 52. Qd8 Kxb5 53. f3 Kc5 54. Qg5 Qd5 55. Qc1+ Kb4 56. Qb2+ Kc5 57. Qa3+ Kb5 58. Kg2 Qe6 59. Qd3+ Kc6 60. Qa6 Kd7 61. Qa4+ Ke7 62. g4 hxg4 63. fxg4 e4 64. Qb4+ Ke8 65. Kf2 Qxg4 66. Qxb6 Qxh4+ 67. Ke3 Qh3+ 68. Kd4 Qd3+ 69. Ke5 f6+ |
| ECO B21 in 1986 play it! speelman jonatha defeats white's hebden m in 54 moves | 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bc4 e6 6. f5 Nge7 7. fxe6 fxe6 8. d3 O-O 9. Bg5 h6 10. Bh4 g5 11. Bf2 d5 12. Bb3 g4 13. Nd2 c4 14. dxc4 d4 15. Na4 Rxf2 16. Kxf2 Qa5 17. Rf1 Bd7 18. Kg1 Ne5 19. c3 Bxa4 20. cxd4 Nd3 21. Qxg4 Qxd2 22. Qxe6+ Kh8 23. Bxa4 Qxb2 24. Rad1 Qxd4+ 25. Kh1 Nc6 26. Rd2 Qe3 27. Bxc6 Qxd2 |
| ECO B33 in 1975 play it! speelman jonatha defeats white's orr mark j l in 56 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. f4 a6 10. a4 d5 11. exd5 Nb4 12. Qe2 Nxc2+ 13. Qxc2 Qxc4 14. O-O-O Nxd5 15. Rxd5 exd5 16. Re1 Be7 17. Bc5 Be6 18. Bxe7 Kxe7 19. f5 d4 20. Qe4 Qxb3 21. Nd5+ Kf8 22. fxe6 Rc8+ 23. Kb1 f6 24. Qf5 Ke8 25. e7 Rc6 26. a5 d3 27. Nxf6+ gxf6 28. Qh5+ Qf7 |
| ECO B41 in 1979 play it! speelman jonatha defeats white's denman brian sco in 68 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Bb4 7. Bf3 d5 8. exd5 e5 9. Nb3 e4 10. Be2 Nxd5 11. a3 Bxc3+ 12. bxc3 O-O 13. c4 Nc3 14. Qxd8 Rxd8 15. Bh5 Nc6 16. Bg5 f6 17. Bd2 Na4 18. O-O-O Be6 19. Rhe1 f5 20. g4 Bxc4 21. gxf5 Bxb3 22. cxb3 Nc5 23. Kb1 Nd3 24. Rg1 Nd4 25. Bg5 Rd5 26. Rg2 Rc8 27. Bf6 Nxf5 28. Rdg1 g6 29. f3 e3 30. f4 Nxf4 31. Bf3 Rd6 32. Bxb7 Nxg2 33. Bxc8 e2 34. Rc1 Rxf6 |