| ECO A04 in 1998 play it! speelman jonatha defeats black's adamski jan in 49 moves | 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bd3 cxd4 8. exd4 Be7 9. O-O Ncb4 10. Bb1 Nf6 11. Re1 Bd7 12. Ne5 Bc6 13. Bg5 O-O 14. Re3 Nbd5 15. Rg3 g6 16. Bh6 Nxc3 17. bxc3 Re8 18. h4 Be4 19. h5 Qa5 20. hxg6 hxg6 21. Bxe4 Nxe4 22. Qf3 Nf6 23. Rxg6+ fxg6 24. Qd3 Kh8 25. Qxg6 |
| ECO A05 in 1999 play it! speelman jonatha defeats black's laveryd peter in 81 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3 c6 10. d5 cxd5 11. cxd5 a6 12. a4 b6 13. Nd2 Qc7 14. b3 Nc5 15. b4 Ncd7 16. e4 Bb7 17. Bf1 Rec8 18. Nc4 Ne8 19. Be3 Qd8 20. Rab1 Bf8 21. Rdc1 Ng7 22. f3 Rab8 23. Qf2 Ba8 24. Na3 Bb7 25. Nc4 Ba8 26. Bd3 f5 27. Qe2 Bb7 28. Nd2 Ra8 29. Nd1 Rxc1 30. Rxc1 Be7 31. Nf2 Rc8 32. Rxc8 Qxc8 33. Nc4 Qc7 34. Qc2 fxe4 35. fxe4 Ne8 36. Nxb6 Qd8 37. Nc4 Nb8 38. Na5 Ba8 39. Nc6 Qc7 40. Nxe7+ Qxe7 41. Qc8 |
| ECO A07 in 1996 play it! speelman jonatha defeats black's kramnik vladimir in 73 moves | 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d4 e6 5. O-O Ngf6 6. Nbd2 Be7 7. Re1 O-O 8. e4 c5 9. exd5 Nxd5 10. h3 Bh5 11. dxc5 Nxc5 12. a3 Qc7 13. Qe2 Rfd8 14. Nf1 a5 15. Ne3 Nb6 16. Ng4 Ncd7 17. Bf4 Qc4 18. Qxc4 Nxc4 19. Nfe5 Ndxe5 20. Nxe5 Nd6 21. g4 Bg6 22. c4 Rac8 23. Rac1 Bf8 24. b4 axb4 25. axb4 Nxc4 26. Nxg6 hxg6 27. Bxb7 Rd4 28. Be3 Nxe3 29. Rxc8 Nc4 30. Ra1 Nb6 31. Rb8 Rxb4 32. Bc6 g5 33. Ra6 Nd5 34. Rd8 Nb6 35. Ra7 g6 36. Rb7 Nc4 37. Rxb4 |
| ECO A05 in 2000 play it! speelman jonatha defeats black's brenke andreas in 111 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 e5 5. Nxe5 Nxe4 6. Nxe4 Bxe5 7. d4 Bg7 8. Bg5 f6 9. Be3 O-O 10. Nc3 d6 11. Be2 Nc6 12. Qd2 Ne7 13. g4 f5 14. f3 a6 15. h3 Be6 16. d5 Bd7 17. O-O Rf7 18. a4 Qf8 19. Kg2 h6 20. h4 Re8 21. Rae1 h5 22. g5 f4 23. Bf2 Nf5 24. Bd3 Be5 25. Bxf5 Rxf5 26. Bd4 Bxd4 27. Qxd4 Rfe5 28. Rxe5 dxe5 29. Qd2 Bf5 30. Re1 Qb4 31. Ne4 Qxd2+ 32. Nxd2 b6 33. Kf2 Kf8 34. b4 Bd3 35. Ra1 a5 36. Ra3 e4 37. fxe4 Bxe4 38. bxa5 bxa5 39. Rb3 Bc2 40. Rf3 Ke7 41. Rxf4 Rf8 42. Rxf8 Kxf8 43. Ke3 Bxa4 44. Kd4 Ke7 45. c5 Bc2 46. Kc3 Bf5 47. Nc4 a4 48. Ne3 Bd7 49. Kb4 Be8 50. Nd1 Kd8 51. Nc3 Kc8 52. Nxa4 Kb7 53. c6+ Bxc6 54. Nc5+ Kb6 55. dxc6 Kxc6 56. Ne6 |
| ECO A04 in 1997 play it! speelman jonatha defeats black's garcia ilundain in 67 moves | 1. Nf3 f5 2. b3 d6 3. d4 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O c6 8. Nbd2 a5 9. a3 Na6 10. Rb1 Kh8 11. c4 Qc7 12. Qc2 Re8 13. Bc3 e5 14. c5 exd4 15. cxd6 Qxd6 16. Nc4 Qe7 17. Bxd4 f4 18. Qb2 Bf5 19. Rbd1 fxg3 20. hxg3 Nc5 21. Nfe5 Nce4 22. Qc1 c5 23. Ba1 b5 24. Ne3 Qc7 25. Nxf5 gxf5 26. Qf4 Qc8 27. Nf7+ Kg8 28. Nh6+ Bxh6 29. Qxh6 Kf7 30. Bxe4 Nxe4 31. Qxh7+ Ke6 32. Qg6+ Ke7 33. Qg7+ Ke6 34. f3 |
| ECO A05 in 2001 play it! speelman jonatha defeats black's nataf igoralexan in 131 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. Bg5 c5 6. d5 d6 7. e3 h6 8. Bh4 g5 9. Bg3 Nh5 10. Bd3 f5 11. O-O e5 12. dxe6 Bxe6 13. Rb1 Nc6 14. Nd5 Nxg3 15. hxg3 Ne7 16. e4 f4 17. gxf4 gxf4 18. b4 cxb4 19. Rxb4 b6 20. Rb3 Nc6 21. Be2 Rc8 22. Qd2 Na5 23. Rb4 Nc6 24. Rbb1 Bg4 25. Nxf4 Bxf3 26. Bxf3 Nd4 27. Ne2 Nxf3+ 28. gxf3 Qg5+ 29. Qxg5 hxg5 30. Kg2 Rxc4 31. Ng3 Ra4 32. Nf5 Rxf5 33. exf5 Rxa2 34. Rbc1 Ra5 35. Rc7 Rxf5 36. Rxa7 Rf7 37. Ra8+ Rf8 38. Rxf8+ Kxf8 39. f4 gxf4 40. Kf3 Be5 41. Ke4 Ke7 42. Rb1 Kf6 43. Rxb6 Ke6 44. f3 Kf6 45. Rc6 Ke6 46. Ra6 Kf6 47. Kd5 Kf7 48. Ra7+ Kf6 49. Rd7 Kg5 50. Rd8 Kh4 51. Rg8 Kh5 52. Rg4 Kh6 53. Ke6 Kh5 54. Kf5 Kh6 55. Rg2 Kh7 56. Rg6 Kh8 57. Ke6 Kh7 58. Kf7 Bd4 59. Rxd6 Be3 60. Rg6 Bf2 61. Kf6 Be3 62. Kg5 Bd2 63. Rd6 Be3 64. Rd7+ Kg8 65. Kf6 Bb6 66. Kg6 |
| ECO A05 in 1993 play it! speelman jonatha defeats black's hodgson julian m in 77 moves | 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O dxc4 8. Bxc4 Bg4 9. Be2 Nbd7 10. e4 Bxf3 11. Bxf3 e5 12. d5 cxd5 13. Nxd5 Nc5 14. Be3 Ne6 15. Nxf6+ Bxf6 16. Qb3 Qe7 17. Bg4 Nf4 18. Rac1 b6 19. g3 h5 20. Bd1 Ne6 21. Qb5 Rad8 22. Bb3 Nd4 23. Bxd4 Rxd4 24. Bd5 Bg5 25. Rcd1 Rxd1 26. Rxd1 Rc8 27. Bb3 Rc1 28. Rxc1 Bxc1 29. Qc6 Bxb2 30. Qxg6+ Kf8 31. Qh6+ Kg8 32. h4 Bd4 33. a4 a6 34. Kg2 b5 35. a5 Qa7 36. Qxh5 Bxf2 37. Qxf7+ Qxf7 38. Bxf7+ Kxf7 39. Kxf2 |
| ECO A05 in 1991 play it! speelman jonatha defeats black's sax gyula in 57 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. a3 d5 8. Be3 Qd8 9. cxd5 Nxd5 10. Nxd5 exd5 11. g3 Be7 12. Bg2 Bf6 13. Qd2 d4 14. Bxc6+ bxc6 15. Bxd4 Qd5 16. O-O-O Bg5 17. f4 Qxb3 18. Bxg7 Be7 19. Bxh8 f6 20. e4 Kf7 21. f5 Rb8 22. Rhe1 Ba6 23. Qc2 Qxc2+ 24. Kxc2 Rxh8 25. Rd7 Rd8 26. Rxa7 Bd3+ 27. Kc3 Kf8 28. Rd1 Bxe4 29. Re1 |
| ECO A04 in 2001 play it! speelman jonatha defeats black's kveinys aloyzas in 69 moves | 1. Nf3 d6 2. d4 Nf6 3. Nc3 Bg4 4. e4 e6 5. Be2 Be7 6. O-O d5 7. h3 Bh5 8. exd5 exd5 9. g4 Bg6 10. Ne5 Ne4 11. Nxe4 Bxe4 12. f3 Bg6 13. Kg2 Nd7 14. Nxg6 hxg6 15. c4 dxc4 16. Bxc4 Bd6 17. f4 Qf6 18. Re1+ Kf8 19. Qd3 Bb4 20. Re2 Nb6 21. Bb3 Rd8 22. Qf3 Qc6 23. Qxc6 bxc6 24. Bd2 Bd6 25. Rc1 Nd5 26. Rf2 Re8 27. Rxc6 Ne3+ 28. Kg3 g5 29. Rxd6 cxd6 30. fxg5 d5 31. g6 f6 32. Rf3 Nc4 33. Bb4+ Kg8 34. Bxc4 dxc4 35. h4 |
| ECO A07 in 1996 play it! speelman jonatha defeats black's roy chowdhury sa in 79 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 Nbd7 5. Nh4 Bg6 6. c4 e6 7. Qb3 Nc5 8. Qc2 c6 9. Nxg6 hxg6 10. a3 a5 11. d4 Ncd7 12. b3 Bd6 13. Nc3 O-O 14. O-O dxc4 15. bxc4 e5 16. dxe5 Bxe5 17. Rb1 Nc5 18. Na4 Nfd7 19. Nxc5 Nxc5 20. Be3 Qe7 21. Bxc5 Qxc5 22. Rxb7 Rab8 23. Rfb1 Rxb7 24. Rxb7 Rd8 25. e3 f5 26. a4 Kh7 27. Bf3 Rd6 28. Kg2 Qa3 29. c5 Rd3 30. Qc4 Rd2 31. Qh4+ Kg8 32. Be2 Rxe2 33. Qc4+ Kh7 34. Qxe2 Qxc5 35. Qd3 Qf8 36. Qc4 c5 37. Qd5 Bc3 38. Rd7 Bf6 39. Ra7 Qe8 40. Ra8 |
| ECO A05 in 1995 play it! speelman jonatha defeats black's topalov veselin in 80 moves | 1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 h6 6. Bxf6 Bxf6 7. e4 d6 8. Bc4 Bg7 9. Qe2 c5 10. dxc5 dxc5 11. O-O Nc6 12. h3 Qc7 13. Rfe1 Rd8 14. e5 Rb8 15. e6 f5 16. h4 Na5 17. Bd3 Rd6 18. Nc4 Rxe6 19. Qxe6+ Bxe6 20. Rxe6 Kf7 21. Rae1 Nc6 22. h5 g5 23. Bxf5 Bf6 24. Ne3 Rd8 25. Ng4 Kg7 26. Nxf6 exf6 27. b4 cxb4 28. Nd4 Rd6 29. Re8 Ne5 30. Ne6+ Rxe6 31. Bxe6 bxc3 32. Bb3 Qd7 33. Ra8 b6 34. Rd1 Qe7 35. Rdd8 f5 36. Rg8+ Kh7 37. Rh8+ Kg7 38. Rag8+ Kf6 39. Rxh6+ Ng6 40. Rgxg6+ Ke5 |
| ECO A05 in 2005 play it! speelman jonatha defeats black's kobese watu rsa in 87 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. Bg5 d6 6. e3 h6 7. Bh4 b6 8. Be2 Bb7 9. O-O Nbd7 10. Nd2 c5 11. d5 a6 12. e4 g5 13. Bg3 Ne5 14. f4 gxf4 15. Bxf4 e6 16. a4 Qe7 17. Kh1 Rab8 18. Re1 Ng6 19. Bg3 Nd7 20. Bh5 Nde5 21. Qe2 Qg5 22. Bxg6 Qxg6 23. Rad1 exd5 24. Nxd5 Bxd5 25. cxd5 b5 26. axb5 axb5 27. Nf3 Qh5 28. Bxe5 Bxe5 29. g4 Qg6 30. g5 Kh8 31. Nxe5 dxe5 32. gxh6 f5 33. Rg1 Qxh6 34. exf5 Rxf5 35. Rdf1 Qh7 36. Rxf5 Qxf5 37. Qg2 Qf7 38. Qh3+ Qh7 39. Qf3 Qh6 40. Qg3 Re8 41. d6 c4 42. d7 Qc6+ 43. Rg2 Qxd7 44. Qh4+ |
| ECO A05 in 1999 play it! speelman jonatha defeats black's ramesh r b in 81 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Bxc4 a6 10. a4 c5 11. dxc5 Bxc5 12. Rb1 Qc7 13. Bd3 Bd6 14. Bd2 Nc5 15. Rfc1 Nxd3 16. Qxd3 Qe7 17. e4 Ng4 18. Qe2 Ne5 19. Bf4 Nxf3+ 20. Qxf3 Bd7 21. e5 Bb4 22. Ne4 Bc6 23. Rxc6 bxc6 24. Nf6+ gxf6 25. Bh6 Bd2 26. exf6 Qc5 27. Qg3+ Bg5 28. Bxg5 Qf5 29. Bh6+ Qg6 30. Bxf8 Kxf8 31. Qd6+ Kg8 32. Rd1 Qxf6 33. Rd4 a5 34. g3 Qf3 35. h3 Qf5 36. Qxc6 Rb8 37. Qc7 Rf8 38. Rf4 Qxh3 39. Qxa5 Rc8 40. Qg5+ Kf8 41. Rh4 |
| ECO A04 in 2002 play it! speelman jonatha defeats black's markgraf alexand in 113 moves | 1. Nf3 g6 2. e4 Bg7 3. d4 c6 4. h3 d5 5. Nbd2 Nf6 6. e5 Nfd7 7. Bd3 f6 8. exf6 exf6 9. O-O O-O 10. Re1 Re8 11. Nf1 Nf8 12. Be3 Nbd7 13. Qd2 Nb6 14. b3 Be6 15. Bh6 Qd6 16. Ng3 Bf7 17. Bxg7 Kxg7 18. Nh4 Qc7 19. a4 Rad8 20. Rxe8 Rxe8 21. Re1 Rxe1+ 22. Qxe1 Ne6 23. Nf3 Nc8 24. Bf1 Ne7 25. a5 Qd6 26. b4 Nc8 27. c3 Ne7 28. Qe3 Qf4 29. Qe1 Qd6 30. Nd2 Qc7 31. Nb3 Qd6 32. Nc5 Nxc5 33. dxc5 Qe6 34. Qxe6 Bxe6 35. a6 Bc8 36. axb7 Bxb7 37. Bd3 Kf7 38. Ne2 Ke6 39. Nd4+ Kd7 40. h4 Ng8 41. Kh2 Ne7 42. g4 Bc8 43. Kg3 Ke8 44. g5 Kf7 45. f4 Bd7 46. Ba6 Kg7 47. Bb7 Kf7 48. Kf2 Kg7 49. Ke3 Kf7 50. Kd2 Kg7 51. Kc2 Kf7 52. Kb3 fxg5 53. fxg5 Ke8 54. Kc2 Kd8 55. Kd2 Kc7 56. Ba6 Ng8 57. Ke3 |
| ECO A04 in 1989 play it! speelman jonatha defeats black's kosten anthony c in 89 moves | 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 O-O 11. Bd3 d6 12. b4 a5 13. a3 axb4 14. axb4 Bd7 15. O-O Re8 16. Bb1 Ra3 17. Qd2 Rb3 18. Nd5 Bc6 19. Bc2 Ra3 20. Bb6 Qa8 21. f4 Bxd5 22. exd5 Qa6 23. dxe6 Qxb6+ 24. c5 dxc5 25. exf7+ Kxf7 26. f5 cxb4+ 27. Kh1 Kg8 28. fxg6 hxg6 29. Qd5+ Kh8 30. Rf4 e6 31. Qg5 e5 32. Rh4+ Kg8 33. Bxg6 Qf6 34. Qg4 Rc3 35. Rd1 Rec8 36. Rh5 R3c4 37. Rd8+ Rxd8 38. Qxc4+ Kf8 39. Qxb4+ Qd6 40. Rf5+ Ke7 41. Rf7+ Ke6 42. Qg4+ Kd5 43. Rxg7 Kc5 44. h3 Ra8 45. Rxb7 |
| ECO A05 in 1985 play it! speelman jonatha defeats black's hebden mark eng in 77 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 Nc6 10. h3 Nh6 11. d5 Ne7 12. Qc2 f5 13. O-O-O f4 14. Ng5 Bf6 15. c5 Nef5 16. Ne6 Bxe6 17. Bxf6 Rxf6 18. dxe6 Nd4 19. Rxd4 exd4 20. Qb3 Kh8 21. e7 Qxe7 22. Nd5 Qxe4 23. Bf3 Qe5 24. Nxf6 Qxf6 25. Qxb7 Rd8 26. c6 Qf7 27. Qxa7 Nf5 28. Re1 Qc4+ 29. Kb1 Qb4 30. Rc1 Rb8 31. b3 Qb6 32. Qxb6 Rxb6 33. Re1 Kg7 34. Re8 d5 35. Bxd5 d3 36. Rc8 Nd4 37. Rxc7+ Kf6 38. Rd7 d2 39. Bf3 |
| ECO A04 in 1999 play it! speelman jonatha defeats black's ward christopher in 41 moves | 1. Nf3 c5 2. b3 d6 3. e3 e5 4. Bb5+ Nd7 5. O-O f5 6. d4 cxd4 7. exd4 e4 8. Ng5 Ngf6 9. Ne6 Qb6 10. d5 Kf7 11. a4 Ne5 12. Be3 Qa5 13. b4 Qxb4 14. Bd2 Qb2 15. Bc3 Qxa1 16. Bxa1 Bxe6 17. dxe6+ Kxe6 18. Bxe5 Kxe5 19. Nd2 Be7 20. Qa1+ Kf4 21. Qc3 |
| ECO A07 in 1995 play it! speelman jonatha defeats black's garcia pio jesus in 55 moves | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d4 e6 6. Nbd2 f5 7. c4 Bd6 8. Qb3 Rb8 9. Re1 Ngf6 10. Ng5 Qe7 11. f3 h6 12. Nxe6 Qxe6 13. fxg4 f4 14. cxd5 cxd5 15. gxf4 Bxf4 16. e4 Nxg4 17. Nf1 O-O 18. h3 Nf2 19. Re2 Bxc1 20. Rxc1 Qf7 21. e5 Nb6 22. e6 Qf4 23. e7 Qxc1 24. exf8=Q+ Rxf8 25. Rxf2 Rxf2 26. Kxf2 Qf4+ 27. Ke2 Qxd4 28. Ne3 |
| ECO A05 in 1994 play it! speelman jonatha defeats black's almasi zoltan in 65 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Be2 b6 6. O-O Bb7 7. Qc2 Bxc3 8. Qxc3 d6 9. b3 Nbd7 10. Bb2 Rc8 11. Rad1 Qe7 12. Ne1 e5 13. f3 Rfe8 14. e4 Nf8 15. d4 Nh5 16. d5 Nf4 17. Rd2 Rcd8 18. Bd1 Bc8 19. Bc2 Qg5 20. Kh1 Nh5 21. g3 Bh3 22. Rg1 Ng6 23. Rf2 Bc8 24. f4 exf4 25. gxf4 Qh4 26. Qd4 f6 27. Nf3 Qh3 28. f5 Ne5 29. Bd1 Ng4 30. Nd2 Nxf2+ 31. Qxf2 Rxe4 32. Nxe4 Bxf5 33. Ng3 |
| ECO A05 in 1986 play it! speelman jonatha defeats black's mestel a jonatha in 55 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. Be3 e5 8. Qd2 c6 9. Rd1 exd4 10. Nxd4 Re8 11. f3 d5 12. cxd5 cxd5 13. Ndb5 Nb6 14. Bf4 Nh5 15. Bc7 Qe7 16. Bd6 Qh4+ 17. g3 Qh3 18. Bf1 Qf5 19. Nc7 Bd7 20. Nxa8 Nxa8 21. Nxd5 Qxf3 22. Ne7+ Rxe7 23. Bxe7 Nxg3 24. Bg2 Qg4 25. hxg3 Be5 26. Qxd7 Bxg3+ 27. Kf1 Qf4+ 28. Ke2 |