| ECO A04 in 1993 play it! koch jeanrene defeats white's anic darko in 68 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 d6 4. d4 g6 5. O-O Bg7 6. c4 O-O 7. Nc3 Qe8 8. d5 a5 9. Nd4 Na6 10. e4 fxe4 11. Nxe4 Nxe4 12. Bxe4 Bh3 13. Bg2 Bxg2 14. Kxg2 Nc5 15. Re1 Qf7 16. f4 a4 17. Rb1 g5 18. Ne6 Qf5 19. Bd2 Nxe6 20. Rxe6 Rf7 21. Be3 gxf4 22. Bxf4 c6 23. Re3 cxd5 24. cxd5 Rc8 25. Rd3 Qe4+ 26. Kh3 Rc5 27. b3 e5 28. Be3 Rf3 29. Qd2 Qf5+ 30. Kg2 e4 31. b4 Rc8 32. Ra3 b5 33. Re1 Rf8 34. Qd1 Bb2 |
| ECO A04 in 1996 play it! koch jeanrene defeats white's guidez yannmicha in 57 moves | 1. Nf3 f5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. d5 a5 9. Nd4 Na6 10. b3 Bd7 11. Bb2 c6 12. Qd2 Nc5 13. Rab1 Ra6 14. a3 Qf7 15. Qd1 Rc8 16. e3 Nce4 17. dxc6 bxc6 18. Qe2 Rb8 19. Qc2 Nc5 20. Ba1 e5 21. Nde2 Rab6 22. Nc1 e4 23. Rd1 Ne8 24. Bf1 Be6 25. Be2 Qb7 26. b4 axb4 27. axb4 Rxb4 28. Rxb4 Qxb4 29. Qa2 |
| ECO A04 in 1997 play it! koch jeanrene defeats white's dizdarevic emir in 122 moves | 1. Nf3 f5 2. c4 Nf6 3. Nc3 d6 4. d4 g6 5. e3 Bg7 6. b4 O-O 7. Bb2 Kh8 8. Be2 c6 9. O-O Qc7 10. Qb3 Be6 11. d5 Bg8 12. Rfd1 Na6 13. a3 Rad8 14. Rac1 e5 15. dxe6 Bxe6 16. Nd5 Qd7 17. Nxf6 Bxf6 18. Bxf6+ Rxf6 19. Qc3 Qg7 20. c5 Nb8 21. b5 Rff8 22. bxc6 Qxc3 23. Rxc3 bxc6 24. cxd6 Bd5 25. Bc4 Rxd6 26. Bxd5 Rfd8 27. Rb3 Rxd5 28. Rxd5 cxd5 29. Rb7 Nc6 30. Rc7 Rd6 31. Kf1 a6 32. Ng5 Kg8 33. h4 h5 34. Nf3 d4 35. exd4 Nxd4 36. Nxd4 Rxd4 37. Rc6 Kg7 38. Rxa6 Rxh4 39. a4 Rb4 40. Ra7+ Kf6 41. g3 h4 42. gxh4 Rxh4 43. Ra6+ Kg5 44. Ke2 Rb4 45. Ke3 Rb3+ 46. Ke2 f4 47. Rd6 Ra3 48. Ra6 f3+ 49. Kd2 Kf5 50. a5 g5 51. Ra8 Kg4 52. Rh8 Rxa5 53. Ke1 Ra1+ 54. Kd2 Rf1 55. Rh2 Kf4 56. Kc2 Re1 57. Kd2 Re2+ 58. Kc1 Ke4 59. Kd1 Kd3 60. Rh8 Rxf2 61. Ke1 Ra2 |
| ECO A34 in 1990 play it! koch jeanrene defeats white's roos louis in 106 moves | 1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 d4 6. Na4 Nc6 7. O-O Be7 8. d3 Nd7 9. a3 a6 10. b3 O-O 11. e3 Rb8 12. exd4 cxd4 13. Qc2 b6 14. Re1 Bb7 15. b4 Rc8 16. Qb3 Bf6 17. Bd2 Ne7 18. Re2 b5 19. Nb2 bxc4 20. Nxc4 Bd5 21. Rc1 Qc7 22. Qd1 Qb8 23. Ne1 Bxg2 24. Nxg2 Nd5 25. Re1 N7b6 26. Qg4 Nxc4 27. dxc4 Nb6 28. c5 Nd7 29. Bf4 Qb7 30. Bd6 Rfe8 31. Nf4 e5 32. Nh5 Re6 33. Rcd1 Qd5 34. Qe2 Rce8 35. Nxf6+ Nxf6 36. Qxa6 e4 37. Qe2 d3 38. Qe3 Qh5 39. h4 Ng4 40. Qd4 Qf5 41. Bf4 h6 42. Kg2 g5 43. hxg5 hxg5 44. Rh1 Nf6 45. Rh6 gxf4 46. Rdh1 fxg3 47. Rh8+ Kg7 48. R1h7+ Qxh7 49. Rxh7+ Kxh7 50. Kxg3 Rg8+ 51. Kf4 Rg4+ 52. Ke3 Rg2 53. Kf4 e3 |
| ECO A10 in 1993 play it! koch jeanrene defeats white's stefansson hanne in 32 moves | 1. c4 f5 2. b3 e5 3. Bb2 Nc6 4. e3 Nf6 5. a3 g6 6. b4 d6 7. d4 exd4 8. exd4 Bg7 9. d5 Ne5 10. Be2 O-O 11. Nh3 f4 12. Nd2 Bxh3 13. gxh3 f3 14. Nxf3 Ne4 15. Rb1 Nxf3+ 16. Bxf3 Bc3+ |
| ECO A30 in 1995 play it! koch jeanrene defeats white's silva in 50 moves | 1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. Nf3 Nc6 7. O-O e5 8. d3 Be7 9. Nd2 O-O 10. Bxc6 bxc6 11. Nc4 f6 12. Qa4 Bd7 13. Na5 Kh8 14. Ne4 Ne6 15. Nb3 Qb6 16. Bd2 f5 17. Nc3 Nd4 18. Rfc1 Be6 19. Nxd4 cxd4 20. Nd1 c5 21. b3 Qb7 22. Nb2 f4 23. Nc4 Bh3 24. f3 fxg3 25. Nxe5 Qd5 |
| ECO A10 in 1999 play it! koch jeanrene defeats white's hauchard arnaud in 104 moves | 1. c4 f5 2. d4 Nf6 3. Nc3 g6 4. f3 d6 5. e4 e6 6. Be2 Nc6 7. d5 Ne5 8. f4 Nf7 9. exf5 exf5 10. Bf3 Bg7 11. Nge2 O-O 12. Qd3 Bd7 13. O-O c5 14. Bd2 Re8 15. Rae1 a6 16. Ng3 b5 17. Rxe8+ Nxe8 18. b3 b4 19. Nd1 a5 20. Bc1 a4 21. Bb2 Bxb2 22. Nxb2 a3 23. Nd1 Qf6 24. Ne2 Ng7 25. Nf2 Re8 26. Qd2 h6 27. Nd3 g5 28. g3 Nh8 29. Re1 Ng6 30. Kf1 Re7 31. Nec1 Rxe1+ 32. Kxe1 Be8 33. Ne2 Nf8 34. Kf2 Bh5 35. Qe3 Bxf3 36. Kxf3 Nd7 37. Kg2 g4 38. Qc1 Qe7 39. Kf1 Nf6 40. Nf2 h5 41. Qe1 Ne4 42. Nc1 Qf6 43. Nxe4 fxe4 44. Qxe4 Qb2 45. Qe3 Kf8 46. Ke1 Qxh2 47. Ne2 Qh1+ 48. Kf2 Qb1 49. Qd2 Nf5 50. Kg2 Qe4+ 51. Kg1 Ne3 52. Nc1 Qf3 |
| ECO A22 in 2003 play it! koch jeanrene defeats white's bauer laurent in 80 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. b4 O-O 10. d3 f6 11. Bb2 a5 12. b5 Nd4 13. Nxd4 exd4 14. Ne4 a4 15. Qc1 Bd5 16. Rd1 f5 17. Nd2 Ra5 18. Bxd5+ Qxd5 19. Qxc7 Rxb5 20. Qxe7 Rxb2 21. Rab1 Nc8 22. Qc7 Rxb1 23. Rxb1 b5 24. Nf3 Nd6 25. Rb4 Nf7 26. Rxd4 Qa2 27. Qe7 h6 28. Rd7 Qb2 29. Nd4 b4 30. Ne6 Rb8 31. Qxf7+ Kh8 32. Nd4 Rg8 33. Nxf5 bxa3 34. Ne7 Rb8 35. Ng6+ Kh7 36. d4 Qb1+ 37. Kg2 Qxg6 38. Qf4 Re8 39. Ra7 a2 40. Qc1 Rxe2 |
| ECO B23 in 2004 play it! koch jeanrene defeats white's degraeve jeanmar in 78 moves | 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nc6 6. O-O e6 7. d3 Nge7 8. Qe1 Nd4 9. Nxd4 cxd4 10. Ne2 O-O 11. Kh1 d5 12. Bb3 dxe4 13. dxe4 d3 14. cxd3 Qxd3 15. Nc3 Nc6 16. e5 Nd4 17. Be3 Nxb3 18. axb3 b6 19. Bxb6 Bb7 20. Rxa7 Rxa7 21. Bxa7 Qc2 22. Qe2 Qxb3 23. Rd1 Ba8 24. Rd2 Bh6 25. Be3 Rb8 26. h4 Qb7 27. Kh2 Bf8 28. h5 Rc8 29. Kg3 Qe7 30. Qa6 Qc7 31. Qd3 g5 32. Ne4 gxf4+ 33. Bxf4 Bxe4 34. Qxe4 h6 35. Kh2 Qc4 36. Rd4 Qc2 37. Qxc2 Rxc2 38. Rd8 Kg7 39. Rb8 Bc5 |
| ECO B51 in 1986 play it! koch jeanrene defeats white's djurhuus rune by checkmate in 102 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. O-O O-O 10. Bc4 Nb6 11. Bb3 Be6 12. Nh4 Rc8 13. Ng6 Re8 14. Bxe6 fxe6 15. Nb5 a6 16. Nxe7+ Rxe7 17. Nxd6 Rc6 18. Bxb6 Qxb6 19. Nc4 Qd4 20. Na5 Qxd3 21. cxd3 Rc2 22. Nc4 b5 23. Nxe5 Rxb2 24. Rfc1 Ra7 25. f3 Nd7 26. Nc6 Ra8 27. Rcb1 Rd2 28. Rd1 Rb2 29. d4 Kf8 30. d5 exd5 31. Rxd5 Rc8 32. Rd6 Nb8 33. Nd4 Ke8 34. e5 Rc3 35. h4 Re3 36. f4 Rg3 37. Kh1 Rgxg2 38. Nf3 Rgf2 39. Rd3 Nc6 40. Rc1 Ne7 41. e6 Nf5 42. Nd4 Rh2+ 43. Kg1 Rbg2+ 44. Kf1 Nxh4 45. Rc8+ Ke7 46. Rc7+ Kf6 47. Rf7+ Kg6 48. Rg3+ Rxg3 49. f5+ Kh5 50. e7 Rgg2 51. e8=B Rh1# |
| ECO B27 in 2005 play it! koch jeanrene defeats white's laval brice in 111 moves | 1. e4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O d6 6. Nc3 Rb8 7. a4 a6 8. d3 b5 9. axb5 axb5 10. Nh4 b4 11. Nd5 e6 12. Ne3 e5 13. Nc4 Nge7 14. f4 exf4 15. gxf4 Nd4 16. f5 Nec6 17. Nf3 O-O 18. Bf4 Nb5 19. Bg5 Qc7 20. f6 Bh8 21. Ne3 Be6 22. Nh4 Rfe8 23. Nhf5 Nbd4 24. Ra6 Ra8 25. Rxa8 Rxa8 26. c3 Bb3 27. Qe1 Ne6 28. Bh4 Kf8 29. Nd5 Qd8 30. Nfe7 Ne5 31. Qd2 bxc3 32. bxc3 Ke8 33. c4 Qa5 34. Qh6 Kd7 35. Be1 Qa6 36. Bc3 Bc2 37. Ra1 Qxa1+ 38. Bxa1 Rxa1+ 39. Bf1 Bxd3 40. Ne3 Bxf6 41. N7d5 Bg5 42. Qxh7 Bxc4 43. Ng4 Bd3 44. Nxe5+ dxe5 45. Qxf7+ Kd6 46. Qb7 Rxf1+ 47. Kg2 Bc4 48. Nb6 Nf4+ 49. Kg3 Be6 50. Qb8+ Kc6 51. Na4 Rg1+ 52. Kf2 Nh3+ 53. Ke2 Bc4+ 54. Kf3 Bd5 55. Ke2 Rg2+ 56. Kd1 |
| ECO B70 in 1993 play it! koch jeanrene defeats white's kleinplatz sam in 82 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Nb3 O-O 9. Bg5 Rb8 10. f4 b5 11. Bf3 b4 12. Nd5 Nxd5 13. exd5 Na5 14. Bxe7 Qxe7 15. Nxa5 Bxb2 16. Rb1 Qe3+ 17. Kh1 Bc3 18. Be2 Bf5 19. Nc6 Rbe8 20. Bg4 Bxg4 21. Qxg4 Qe4 22. Qd1 a5 23. f5 gxf5 24. Qh5 f4 25. Rf3 Kh8 26. Rbf1 Qg6 27. Qh3 Re2 28. Rxf4 Rg8 29. g4 f6 30. Rf5 Qxg4 31. Qxg4 Rxg4 32. Rh5 a4 33. Nd8 Kg8 34. Ne6 Rxc2 35. h3 Rgg2 36. Rg1 Rxg1+ 37. Kxg1 Rxa2 38. Rh4 Ra1+ 39. Kg2 Ra2+ 40. Kf3 h5 41. Rxh5 a3 |
| ECO B26 in 1986 play it! koch jeanrene defeats white's gunay alper in 84 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 e6 8. Nge2 Nge7 9. O-O O-O 10. f4 Nd4 11. Nd1 Nxe2+ 12. Qxe2 b6 13. g4 f5 14. c3 Ba6 15. Nf2 d5 16. exf5 exf5 17. Bd2 Qd7 18. Rfe1 Rfe8 19. g5 Bb7 20. Qe6+ Qxe6 21. Rxe6 Kf7 22. Rae1 Ng8 23. Rxe8 Rxe8 24. Rxe8 Kxe8 25. Nd1 Kd7 26. c4 Ne7 27. Bc3 Bd4+ 28. Bxd4 cxd4 29. b4 a5 30. bxa5 bxa5 31. Nb2 Kd6 32. Kf2 Bc6 33. a3 Kc5 34. Bf3 dxc4 35. Nxc4 Bxf3 36. Kxf3 Kb5 37. h4 Ka4 38. Kg3 Kb3 39. Nxa5+ Kc3 40. h5 gxh5 41. Nc4 Kxd3 42. Ne5+ Ke2 |
| ECO B75 in 1989 play it! koch jeanrene defeats white's bremond eric in 62 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. O-O-O Ne5 11. Bb3 Rc8 12. h4 h5 13. Bg5 Rc5 14. Kb1 Re8 15. g4 hxg4 16. Bxf6 Bxf6 17. f4 Nc4 18. Bxc4 Rxc4 19. e5 dxe5 20. fxe5 Bxe5 21. Nde2 Rc7 22. h5 e6 23. hxg6 Qf6 24. gxf7+ Qxf7 25. Rdf1 Qg7 26. Rh5 Rf8 27. Rg1 Rf5 28. Rh4 Rc4 29. Nd1 Bf6 30. Ne3 Bxh4 31. Nxf5 exf5 |
| ECO B22 in 1989 play it! koch jeanrene defeats white's nemirovski serge in 80 moves | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Bc4 Qc7 6. Qe2 Nb6 7. Bd3 Nc6 8. Nf3 d6 9. Bf4 Nd5 10. Bg3 dxc3 11. Nxc3 Nxc3 12. bxc3 Nd4 13. Nxd4 Qxc3+ 14. Qd2 Qxa1+ 15. Ke2 Bg4+ 16. f3 Qxh1 17. fxg4 Qxg2+ 18. Bf2 Qxg4+ 19. Ke1 a6 20. Bf5 Qg2 21. Qc2 Qd5 22. e6 Qa5+ 23. Kf1 g6 24. exf7+ Kxf7 25. Qb3+ Ke8 26. Be6 Rb8 27. Bf7+ Kd7 28. Qh3+ Kc7 29. Ne6+ Kc6 30. Nd4+ Kc7 31. Ne6+ Kc6 32. Qf3+ Kd7 33. Nc5+ dxc5 34. Qd5+ Kc7 35. Qe5+ Kb6 36. Qxb8 Bg7 37. Qf4 Rf8 38. Bg3 Qb5+ 39. Kg2 Qc6+ 40. Kh3 e5 |
| ECO B20 in 1989 play it! koch jeanrene defeats white's fanelsa dennis in 70 moves | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 d6 6. Bc4 a6 7. O-O b5 8. Bb3 Ra7 9. Bg5 Nf6 10. e5 dxe5 11. Qxd8+ Kxd8 12. Nxe5 Bd6 13. Rfd1 Ke7 14. Nxf7 Bxh2+ 15. Kxh2 Kxf7 16. Rd6 Re8 17. Re1 Rc7 18. Rb6 Rb7 19. Bxe6+ Kg6 20. Rxb7 Bxb7 21. Bd2 Bc8 22. Bxc8 Rxc8 23. Bf4 Nc6 24. a3 Kf5 25. Bg3 Rd8 26. Re2 h5 27. f3 Rd7 28. Kg1 g5 29. Kf1 Rd3 30. Be1 Ne5 31. Ne4 Nxe4 32. Rxe4 Nxf3 33. Re8 Nxe1 34. Kxe1 Kg4 35. Ke2 Rb3 |
| ECO B43 in 1998 play it! koch jeanrene defeats white's rechlis gad in 86 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 O-O 9. Bg5 Be7 10. f4 d6 11. Kh1 Nbd7 12. Qg3 Kh8 13. Rad1 Ng8 14. a4 Bxg5 15. fxg5 Ne5 16. Nf3 Bd7 17. Rd2 Bc6 18. Rfd1 Rfd8 19. h4 Be8 20. Kh2 Nxf3+ 21. Bxf3 Qb6 22. b3 Rac8 23. Ne2 e5 24. Bg4 Rc7 25. Nc3 Ne7 26. Qxe5 dxe5 27. Rxd8 g6 28. Rxe8+ Kg7 29. Nd5 Nxd5 30. Rxd5 Qf2 31. c4 Qxh4+ 32. Bh3 Qxg5 33. Rexe5 Qf4+ 34. Kh1 Rc6 35. Re7 Rf6 36. Rd1 Qh4 37. e5 Rf3 38. Rdd7 Rf1+ 39. Kh2 Qf4+ 40. g3 Rf2+ 41. Bg2 Qh6+ 42. Kg1 Qe3 43. e6 Rf5+ |
| ECO B53 in 1995 play it! koch jeanrene defeats white's ahn martin in 62 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be2 Bg7 7. O-O Nc6 8. Nb3 O-O 9. Bg5 Rb8 10. f4 b5 11. Bf3 b4 12. Nd5 Nxd5 13. exd5 Na5 14. Kh1 Re8 15. Nd4 Bb7 16. a3 Nc4 17. axb4 Ne3 18. Qd2 Nxf1 19. Rxf1 Qb6 20. Rd1 e5 21. fxe5 dxe5 22. Nb3 e4 23. Be3 Qf6 24. Bd4 Qf5 25. Bxg7 exf3 26. Bc3 f2 27. Qd3 Qxd5 28. Qxd5 Bxd5 29. Nc5 Bc4 30. Nd3 Bxd3 31. cxd3 Rbc8 |
| ECO B76 in 1993 play it! koch jeanrene defeats white's arnason jon l in 80 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qe2 Bd7 10. O-O-O Na5 11. Bb3 a6 12. Qf2 b5 13. Kb1 Nxb3 14. cxb3 b4 15. Nd5 Nxd5 16. exd5 a5 17. Qd2 a4 18. Qxb4 axb3 19. a3 Qc8 20. Rc1 Qa6 21. Qc4 Bxd4 22. Bxd4 Bf5+ 23. Ka1 Bc2 24. Rxc2 bxc2 25. Qxc2 Qb5 26. Qe4 Ra4 27. Rd1 Qb3 28. Qd3 Qxd5 29. Bc3 Qc6 30. Ka2 Rfa8 31. Bd2 d5 32. Rc1 Rc4 33. Re1 Re8 34. Bc3 d4 35. Bd2 e5 36. Bh6 Qd5 37. Kb1 Rec8 38. f4 e4 39. Qh3 d3 40. Qh4 d2 |
| ECO C42 in 2001 play it! koch jeanrene defeats white's moreno carnero j in 56 moves | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Bg4 8. c4 Nf6 9. Nc3 Bxf3 10. Qxf3 Nxd4 11. Qe3+ Ne6 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Be4 Qb5 15. a4 Qa6 16. Rd1 Be7 17. b4 Rb8 18. b5 Qb6 19. Qe2 O-O 20. a5 Qc5 21. Be3 Qb4 22. Bxa7 Ra8 23. Rdb1 Qc3 24. Be3 Rxa5 25. Bd2 Qxa1 26. Qe1 Rfa8 27. Rxa1 Rxa1 28. Bb1 Bf6 |