| ECO B77 in 1989 play it! kolcak marek defeats black's briestensky rast 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. Qd2 Nc6 9. Bc4 e5 10. Ndb5 a6 11. Nxd6 Nd4 12. Nxc8 Rxc8 13. Bb3 Qa5 14. Rd1 Rc5 15. Nd5 Nxd5 16. Qxa5 Rxa5 17. exd5 Rd8 18. c4 Rc5 19. f4 Re8 20. Kf2 Nxb3 21. axb3 Rc7 22. Rhe1 e4 23. Bd4 Bf8 24. g4 Bb4 25. Re2 h6 26. h4 a5 27. Ra1 f5 28. gxf5 gxf5 29. Ke3 Kh7 30. Rg2 Rg8 31. Rag1 Rxg2 32. Rxg2 Rd7 33. h5 Bf8 34. Rg6 Rf7 35. c5 Be7 36. Re6 Kg8 37. Rxh6 Rh7 38. Rxh7 Kxh7 39. c6 bxc6 40. dxc6 Bd8 |
| ECO B53 in 1979 play it! kolcak marek defeats black's hrivnak vladimir in 91 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qd2 Nf6 7. Nc3 g6 8. b3 Bg7 9. Bb2 O-O 10. Rd1 Qa5 11. Nd5 Qxd2+ 12. Nxd2 Nxd5 13. Bxg7 Kxg7 14. exd5 Nb4 15. a4 e6 16. dxe6 Rfe8 17. f3 Rxe6+ 18. Kf2 Bc6 19. Re1 Rxe1 20. Kxe1 d5 21. cxd5 Bxd5 22. Bc4 Re8+ 23. Kd1 Bxc4 24. Nxc4 Nd3 25. Kd2 Rd8 26. Kc2 Nc5 27. Re1 Rc8 28. Re7 Kf6 29. Rxf7+ Kxf7 30. Nd6+ Ke6 31. Nxc8 a6 32. Kc3 Nd7 33. Kd4 g5 34. a5 Ne5 35. b4 h5 36. Nb6 h4 37. Nc4 Nd7 38. Nd2 b6 39. Ne4 bxa5 40. bxa5 Kf5 41. Nc5 Ne5 42. Kd5 h3 43. g4+ Nxg4 44. fxg4+ Kxg4 45. Ke4 Kh4 46. Nxa6 |
| ECO B93 in 1998 play it! kolcak marek defeats black's nielsen mogens in 41 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. a4 Nbd7 8. Bd3 e5 9. Nf3 Be7 10. O-O O-O 11. Kh1 Re8 12. Nh4 Qc6 13. Nf5 b6 14. fxe5 dxe5 15. Nd5 Bd8 16. Qf3 Ra7 17. Qg3 g6 18. Nh6+ Kg7 19. Bg5 Re6 20. Rf2 Qc5 21. Raf1 |
| ECO B33 in 2000 play it! kolcak marek defeats black's krcmarik jan in 65 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Be2 a6 11. Nc3 O-O 12. O-O Nd7 13. Bd2 f5 14. b4 Bg5 15. Bxg5 Qxg5 16. a4 Qh4 17. a5 Nf6 18. f4 Re8 19. g3 Qh6 20. Na4 e4 21. Nb6 Rb8 22. c5 Nd7 23. c6 Nxb6 24. c7 Ra8 25. axb6 Qf6 26. Ra2 Qc3 27. Qd2 Qxd2 28. Rxd2 e3 29. Ra2 Re4 30. Rb1 Kf8 31. Ra5 Rd4 32. b5 Rxd5 33. Rxa6 |
| ECO B22 in 1992 play it! kolcak marek defeats black's hrtko vladimir in 31 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. h3 Bh5 10. O-O Nf6 11. g4 Bg6 12. Ne5 Bd6 13. Bf4 Rd8 14. Nc4 Qc7 15. Bxd6 Rxd6 16. Nb5 |
| ECO B27 in 1998 play it! kolcak marek defeats black's veselsky jozef in 91 moves | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bc4 Nc6 6. Qd3 Bg7 7. O-O O-O 8. Nc3 d6 9. h3 Nd7 10. Qe2 Nde5 11. Nxe5 Nxe5 12. Bb3 Nc6 13. Bg5 Nd4 14. Qe3 Be6 15. Nd5 Re8 16. c3 Bxd5 17. Bxd5 Nc6 18. f4 Qc7 19. f5 Ne5 20. f6 exf6 21. Bxf6 Bxf6 22. Rxf6 Re7 23. Raf1 Kg7 24. Qd4 Kg8 25. Bb3 Rd7 26. Rd1 a6 27. Rxd6 Rad8 28. Bxf7+ Kxf7 29. Qd5+ Kf8 30. Rf1+ Nf7 31. Rxf7+ Rxf7 32. Rxd8+ Kg7 33. Rd6 Qe7 34. Qd4+ Kh6 35. e5 Qg5 36. Qd2 Re7 37. Qxg5+ Kxg5 38. Rd5 Kf5 39. Kf2 Ke4 40. Rc5 h6 41. b3 Rd7 42. Ke2 h5 43. c4 Kd4 44. e6 Re7 45. Rd5+ Ke4 46. Rd3 |
| ECO B94 in 1979 play it! kolcak marek defeats black's petrik stanislav in 45 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qb6 8. Nb3 e6 9. Qf3 Be7 10. Be2 Qc7 11. a4 b6 12. O-O Bb7 13. f5 Ne5 14. Qf4 O-O 15. Kh1 Nc4 16. Rf3 exf5 17. Rh3 fxe4 18. Qh4 Rfe8 19. Nd4 Qc5 20. Bxf6 Bxf6 21. Qxh7+ Kf8 22. Nf5 g6 23. Qh8+ |
| ECO B22 in 1994 play it! kolcak marek defeats black's kundrik peter in 107 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e5 5. dxe5 Qxd1+ 6. Kxd1 f6 7. f4 Nc6 8. Nf3 Bf5 9. Bb5 O-O-O+ 10. Ke2 Nge7 11. Re1 a6 12. Bxc6 Nxc6 13. exf6 gxf6 14. Be3 Bd6 15. Nbd2 Rhe8 16. Kf2 Bd3 17. g3 b6 18. Rad1 Kc7 19. Nf1 Bc4 20. b3 Be6 21. N1d2 a5 22. Ne4 Be7 23. Rxd8 Rxd8 24. c4 Nb4 25. Re2 Bh3 26. Nc3 a4 27. Rd2 axb3 28. Rxd8 Bxd8 29. axb3 Bf5 30. Ne1 Kc6 31. Ke2 Nc2 32. Nd3 Na1 33. b4 cxb4 34. Nxb4+ Kd6 35. Ncd5 Be6 36. Bxb6 Bxb6 37. Nxb6 Kc5 38. N4d5 Bxd5 39. Nxd5 f5 40. Ne3 Nb3 41. Nxf5 Kxc4 42. Ke3 Kd5 43. g4 Na5 44. g5 Nc4+ 45. Kf3 Nd2+ 46. Kg4 Ke6 47. Nd4+ Kd5 48. Ne2 Nc4 49. f5 Ne5+ 50. Kf4 Nd3+ 51. Ke3 Nc5 52. f6 Ke5 53. h4 h6 54. f7 |
| ECO B40 in 1995 play it! kolcak marek defeats black's priehoda vitezsl in 65 moves | 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Bd2 Nd7 10. Bd3 dxe5 11. O-O Bd6 12. Re1 exd4 13. cxd4 Nf6 14. Rc1 Qd8 15. Bg5 Be7 16. Ne5 h6 17. Bb5+ Kf8 18. Bh4 g6 19. Re3 Kg7 20. Rf3 Rf8 21. Qd3 g5 22. Bg3 Bd6 23. h3 a6 24. Ba4 b5 25. Bc2 Bb7 26. Nxf7 Rxf7 27. Qg6+ Kh8 28. Qxf7 Bxf3 29. Bxd6 Bh5 30. Qxe6 Ra7 31. Be5 Kg7 32. Qf5 Bf7 33. Qh7+ |
| ECO B22 in 1991 play it! kolcak marek defeats black's cimra jozef in 135 moves | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. O-O e6 13. Qg4 h5 14. Qe4 Qd5 15. Nc3 Qxe4 16. Nxe4 Nd5 17. Be3 Be7 18. Rac1 Kd7 19. Nc5+ Bxc5 20. Rxc5 Rhc8 21. Bd2 Rab8 22. b3 Rb5 23. Rfc1 a6 24. Kf1 Kd6 25. Ke2 Ne7 26. Bf4+ Kd7 27. Kd3 Ra8 28. R1c4 Ra7 29. Bd2 Rab7 30. b4 g6 31. a3 R5b6 32. g3 Nd5 33. Rc2 Ra7 34. Kc4 Nf6 35. f3 Ra8 36. Bf4 Nd5 37. Bd2 Rd8 38. h4 Kc7 39. Bg5 Rd7 40. Re2 Rb5 41. Re4 Nb6+ 42. Kd3 a5 43. Bd2 a4 44. Ke3 Rd5 45. Ke2 Kd7 46. Kd3 Nc8 47. Bf4 f6 48. Kc4 Nb6+ 49. Kc3 Rdxc5+ 50. dxc5 Nd5+ 51. Kd3 e5 52. Bc1 Rb8 53. f4 Re8 54. fxe5 Rxe5 55. Rxe5 fxe5 56. Bb2 Ke6 57. Bc1 Kf5 58. Bb2 Nc7 59. Ke3 Nb5 60. Bc1 Ke6 61. Ke4 Nc3+ 62. Kd3 Nd5 63. Bg5 Kf5 64. Bd8 Ke6 65. Bg5 Kf5 66. Bd8 e4+ 67. Kd4 Nxb4 68. axb4 |
| ECO B50 in 2002 play it! kolcak marek defeats black's bazela emil in 51 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. f4 Qc7 7. d4 e6 8. Be2 cxd4 9. cxd4 Nd5 10. O-O Be7 11. Rf3 O-O 12. Nc3 N7f6 13. Rh3 Rd8 14. Bd3 g6 15. Nxd5 exd5 16. f5 Bd6 17. Ng4 Be7 18. Be3 Qb6 19. Qf3 Nxg4 20. Qxg4 Qxb2 21. Rf1 Qc3 22. Qf4 g5 23. Qe5 Qxd3 24. Qxe7 Bxf5 25. Bxg5 Qe4 26. Rxf5 |
| ECO B34 in 2002 play it! kolcak marek defeats black's certek pavel in 59 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bd3 O-O 11. O-O d6 12. exd6 Ng4 13. Qf3 exd6 14. Kh1 Rb8 15. Rab1 Nxe3 16. Qxe3 Qa5 17. Qe1 Bf5 18. b4 Qd8 19. Bxf5 gxf5 20. Ne2 Re8 21. Qd2 Re4 22. Ng3 Rd4 23. Qe3 Qf6 24. a3 d5 25. Rbe1 Qg6 26. c3 Rc4 27. Qxa7 Rf8 28. Qd7 Rxc3 29. Nxf5 Bf6 30. Re8 |
| ECO B22 in 1994 play it! kolcak marek defeats black's mostowik daniel in 41 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Be3 cxd4 6. cxd4 e5 7. Nc3 Bb4 8. dxe5 Bxc3+ 9. bxc3 Qxe5 10. Qb3 Be6 11. Bc4 Bxc4 12. Qxc4 Nge7 13. Nf3 Qd5 14. Qb3 O-O-O 15. O-O f6 16. Qa4 Kb8 17. Rfe1 Nf5 18. Rad1 Qa5 19. Bf4+ Kc8 20. Qe4 Rxd1 21. Rxd1 |
| ECO B27 in 2003 play it! kolcak marek defeats black's matulik daniel by checkmate in 79 moves | 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Be2 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. Nc3 O-O 8. O-O a5 9. a4 d5 10. exd5 Nb4 11. Bf3 Bf5 12. Nd4 Qd7 13. h3 h5 14. Bg5 Rfd8 15. Re1 Rac8 16. Qd2 Nfxd5 17. Nxd5 Nxd5 18. c3 Nf6 19. Qf4 Rc5 20. Rad1 e5 21. Rxe5 Rxe5 22. Qxe5 Ne4 23. Qf4 Nxg5 24. Qxg5 Be5 25. g4 f6 26. Qh6 hxg4 27. hxg4 Be4 28. Re1 Bxf3 29. Qxg6+ Qg7 30. Qxg7+ Kxg7 31. Ne6+ Kg6 32. Nxd8 Bd5 33. Rd1 Bb3 34. Rd7 b6 35. Nc6 Bf4 36. Nd4 Bxa4 37. Rb7 b5 38. Nf5 Bh6 39. f4 Bd1 40. Nh4# |
| ECO B33 in 2002 play it! kolcak marek defeats black's korbela lubomir in 61 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 O-O 14. Nce3 Be6 15. Bd3 f5 16. O-O Rb8 17. Qh5 Qd7 18. g4 e4 19. Bc2 Be5 20. gxf5 Bxd5 21. Nxd5 Rxf5 22. Qh4 Qf7 23. f4 Bg7 24. Rad1 Re8 25. Ne3 Qa7 26. Rfe1 Ne7 27. Rxd6 Qc5 28. Rxa6 b4 29. Re6 Rff8 30. cxb4 Qxb4 31. Rxe4 |
| ECO B93 in 1985 play it! kolcak marek defeats black's morales moreno h in 79 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. a4 Be7 9. Be2 O-O 10. O-O b6 11. Bd3 Bb7 12. Qe1 Nbd7 13. Nh4 g6 14. f5 Rfe8 15. Qg3 Nh5 16. Qh3 Qd8 17. fxg6 hxg6 18. Bc4 d5 19. Nxg6 fxg6 20. Qe6+ Kh7 21. Rf7+ Ng7 22. Qh3+ Bh4 23. Nxd5 Bxd5 24. Bxd5 Ra7 25. g3 Rf8 26. Rxf8 Nxf8 27. Qxh4+ Qxh4 28. gxh4 Rc7 29. c4 a5 30. Be3 Nd7 31. Rf1 Nc5 32. b3 Ne8 33. Rf8 Nd6 34. Rf6 Nc8 35. Bxc5 bxc5 36. Ra6 Ne7 37. Rxa5 Nxd5 38. cxd5 c4 39. d6 cxb3 40. dxc7 |
| ECO B77 in 1990 play it! kolcak marek defeats black's novak stanislav in 39 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. h5 Nxh5 13. O-O-O Nc4 14. Bxc4 Rxc4 15. g4 Nf6 16. Bh6 Rxc3 17. Qxc3 Qb6 18. Bxg7 Kxg7 19. g5 Ne8 20. Nf5+ |
| ECO B33 in 1997 play it! kolcak marek defeats black's kostelny jozef in 69 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 e6 7. Nf3 a6 8. a4 Be7 9. Bd3 O-O 10. O-O Qc7 11. Kh1 Rd8 12. Be3 d5 13. e5 Ne4 14. Ne2 Nb4 15. a5 Nc5 16. Bxc5 Qxc5 17. Ned4 Nxd3 18. Qxd3 g6 19. g4 Bd7 20. f5 Qc4 21. Qd2 exf5 22. gxf5 Bxf5 23. Nxf5 gxf5 24. Nd4 Kh8 25. Rxf5 Rg8 26. Rxf7 Bg5 27. Qf2 Bh6 28. Rf1 Raf8 29. e6 Bg7 30. c3 Qd3 31. Qf3 Qxf3+ 32. R1xf3 Re8 33. e7 Bh6 34. Nf5 Bg5 35. h4 |
| ECO B40 in 1991 play it! kolcak marek defeats black's kozlov vladimir in 67 moves | 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Nc6 9. Bf4 Qa5 10. Qd2 d5 11. Bd3 b6 12. O-O Ba6 13. Rfc1 Ba3 14. Rc2 Rc8 15. Qe2 Bxd3 16. Qxd3 Qa4 17. Ne1 O-O 18. h4 Rc7 19. Qg3 Rfc8 20. Bh6 Bf8 21. Re2 Na5 22. Re3 Kh8 23. Qg4 Rxc3 24. Nd3 g6 25. Bxf8 Rxf8 26. h5 Nc6 27. Qg5 Kg8 28. Qf6 Nxd4 29. g4 Ne2+ 30. Kf1 Qxg4 31. h6 Qg1+ 32. Kxe2 Rc2+ 33. Kf3 Rxf2+ 34. Nxf2 |
| ECO B93 in 1998 play it! kolcak marek defeats black's houston david a in 54 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. Bd3 Nbd7 9. O-O b5 10. Qe1 Bb7 11. Kh1 Nc5 12. b4 Nxd3 13. cxd3 Rc8 14. Bd2 Be7 15. Rc1 Qb8 16. Nh4 Nd7 17. Nf5 Bf6 18. Nd5 Rxc1 19. Nxf6+ gxf6 20. Bxc1 h5 21. Qg3 d5 22. fxe5 Nxe5 23. d4 dxe4 24. dxe5 Qxe5 25. Qxe5+ fxe5 26. Nd6+ Ke7 27. Nxb7 f6 |