| ECO A15 in 1966 play it! pietrusiak bogda defeats black's lewi jerzy in 67 moves | 1. c4 Nf6 2. d4 g6 3. d5 c5 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 Na6 8. O-O Nc7 9. Qc2 Bd7 10. Nd2 b6 11. Rb1 Rb8 12. b3 a6 13. Bb2 b5 14. Ba1 Na8 15. Nd1 Ne8 16. Bxg7 Nxg7 17. f4 Qc7 18. Qc3 Nb6 19. Ne3 e6 20. Ng4 f5 21. Nh6+ Kh8 22. exf5 b4 23. Qb2 exf5 24. Nf3 Be8 25. Ng5 Qe7 26. Rbe1 Nd7 27. Bd1 Qf6 28. Qxf6 Rxf6 29. Re7 Nf8 30. Rfe1 Ra8 31. Rc7 Bd7 32. Ngf7+ Rxf7 33. Nxf7+ Kg8 34. Nxd6 |
| ECO A01 in 1972 play it! pietrusiak bogda defeats black's marszalek rafal in 105 moves | 1. b3 d5 2. Bb2 Nf6 3. Nf3 c6 4. g3 Bg4 5. Bg2 e6 6. h3 Bh5 7. d3 Be7 8. Nbd2 h6 9. e3 a5 10. a3 b5 11. g4 Bg6 12. Ne5 Bh7 13. h4 Ng8 14. g5 hxg5 15. hxg5 Bxg5 16. Ng6 fxg6 17. Bxg7 Bf6 18. Bxh8 Bxh8 19. Rxh7 Bxa1 20. Qxa1 Qf6 21. Qxf6 Nxf6 22. Rg7 Nbd7 23. Bh3 Kf8 24. Rxg6 Kf7 25. Rg1 b4 26. a4 e5 27. Nf3 c5 28. Bf5 Rh8 29. Ke2 Rh6 30. Rg5 e4 31. dxe4 dxe4 32. Nd2 Rh4 33. Nc4 Ke7 34. Bxd7 Nxd7 35. Nxa5 Kf6 36. Rd5 Ke6 37. Rd1 Ne5 38. Nb7 Nd7 39. Rd6+ Ke7 40. a5 Rh1 41. Rd1 Rh6 42. Rd5 Rc6 43. a6 c4 44. a7 Nb6 45. Rc5 cxb3 46. cxb3 Kd7 47. Rxc6 Kxc6 48. Na5+ Kd5 49. Nc4 Na8 50. Kf1 Kc6 51. Kg2 Nc7 52. Kg3 Kb7 53. Nd6+ |
| ECO A01 in 1973 play it! pietrusiak bogda defeats black's sznapik aleksand in 84 moves | 1. b3 d5 2. Bb2 Bg4 3. g3 Nf6 4. Bg2 e6 5. Nf3 Be7 6. O-O O-O 7. c4 c6 8. d3 a5 9. Nc3 Nbd7 10. Qc2 Nc5 11. Rfd1 Qb6 12. Rab1 Rfd8 13. Na4 Nxa4 14. bxa4 Qa6 15. c5 Bxf3 16. Bxf6 Bxf6 17. Bxf3 Rd7 18. Rb6 Qa7 19. Rdb1 Bd8 20. R6b3 Rb8 21. e3 g6 22. d4 h5 23. Be2 h4 24. Kg2 Kg7 25. g4 Rc7 26. f4 Rd7 27. f5 Bg5 28. fxg6 fxg6 29. Bd3 h3+ 30. Kh1 Rf8 31. Bxg6 Rf6 32. Bh5 Qb8 33. Qd3 e5 34. Rf1 e4 35. Qe2 Qf8 36. Rf5 Re7 37. Rxg5+ Kh6 38. Rf5 Rxf5 39. gxf5 Qxf5 40. Bg4 Qf6 41. Rb1 Rf7 42. Bxh3 Qh4 |
| ECO A01 in 1971 play it! pietrusiak bogda defeats black's balcerowski wito in 91 moves | 1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 Be7 5. Nf3 e4 6. Nd4 Nxd4 7. Bxd4 O-O 8. Nc3 c6 9. Be2 d6 10. Rc1 Re8 11. Qc2 Bf5 12. O-O Bg6 13. Rfd1 Nd7 14. Na4 a6 15. Nb2 Bf6 16. Bxf6 Qxf6 17. d3 exd3 18. Bxd3 Nc5 19. Bxg6 hxg6 20. Rd4 Rad8 21. Rcd1 Qe7 22. h3 g5 23. Qf5 Ne4 24. Re1 g6 25. Qf3 Kg7 26. Qd1 f5 27. f3 Nf6 28. Na4 d5 29. cxd5 Rxd5 30. Rxd5 Nxd5 31. Qd4+ Kh6 32. e4 Nf4 33. e5 Rd8 34. Qc5 Qe6 35. Qc2 Qd5 36. Nc5 b6 37. Nb7 Rd7 38. Nd6 Nd3 39. Rd1 Qd4+ 40. Kf1 Qxe5 41. Qxd3 Kh7 42. Qe2 Qf6 43. Ne8 Rxd1+ 44. Qxd1 Qe5 45. Qe1 Qc5 46. Qa1 |
| ECO A01 in 1971 play it! pietrusiak bogda defeats black's dobrzynski wojci in 67 moves | 1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. Nc3 Bc5 5. e3 d6 6. a3 a5 7. Qc2 O-O 8. Bd3 h6 9. Nge2 Re8 10. Ne4 Nxe4 11. Bxe4 Ba7 12. O-O Ne7 13. f4 f6 14. Kh1 c6 15. fxe5 dxe5 16. Ng3 Rf8 17. b4 Be6 18. d4 Qd7 19. dxe5 f5 20. Rad1 Qc8 21. Bf3 Bxe3 22. Rd6 Bb6 23. Ne2 Bc7 24. Nf4 Bf7 25. e6 Be8 26. c5 Kh7 27. g4 g5 28. Qc3 Rg8 29. Qf6 Bxd6 30. cxd6 Qd8 31. dxe7 Qd2 32. Qxf5+ Bg6 33. Nxg6 Qxb2 34. Nf8+ |
| ECO B29 in 1984 play it! pietrusiak bogda defeats black's unander matts in 44 moves | 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c3 e6 5. d4 cxd4 6. cxd4 Na6 7. a3 Be7 8. Bd3 Nac7 9. Nc3 b6 10. Ne4 O-O 11. Nfg5 h6 12. h4 f5 13. exf6 Bxf6 14. Nd6 Qe7 15. Qh5 Qxd6 16. Qg6 Bxg5 17. Qh7+ Kf7 18. Bg6+ Kf6 19. hxg5+ hxg5 20. Bxg5+ Kxg5 21. Qxg7 Rf5 22. Bh5+ Kf4 |
| ECO B44 in 1963 play it! pietrusiak bogda defeats black's koblencs aleksan in 59 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 Be7 9. O-O O-O 10. Be3 Rb8 11. Nd2 Bd7 12. Rc1 b6 13. g4 Ne8 14. f4 Nc7 15. Nf3 b5 16. cxb5 axb5 17. Bd3 b4 18. Ne2 d5 19. b3 Re8 20. Qc2 dxe4 21. Bxe4 Nd5 22. Bxh7+ Kh8 23. Bf2 Bd6 24. Ng5 Re7 25. Qd3 Nxf4 26. Nxf4 Bxf4 27. Bg8 g6 28. Qh3+ Kg7 29. Qh7+ Kf6 30. Qh8+ |
| ECO B22 in 1984 play it! pietrusiak bogda defeats black's lind jan in 79 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Bd3 cxd4 7. cxd4 Be7 8. Nc3 Qd6 9. O-O O-O 10. Be3 Nc6 11. Rc1 Rd8 12. Nb5 Qd7 13. Ne5 Nxe5 14. dxe5 Nd5 15. Bc5 Bxc5 16. Rxc5 Qe7 17. Rc4 Bd7 18. Nd6 g6 19. b4 Be8 20. Qc1 Kg7 21. g3 a5 22. b5 Nb6 23. Rh4 h5 24. Rd1 Rd7 25. Qe3 Nd5 26. Qd4 Rad8 27. Be4 Nc7 28. a4 Na8 29. Kg2 Kg8 30. f4 f5 31. Bf3 Bf7 32. Rd2 Kg7 33. Qc3 b6 34. Bc6 Rc7 35. Rd3 Kg8 36. Qd2 Rb8 37. Nc4 Ra7 38. Rd6 Kg7 39. Qe3 Nc7 40. Nxb6 |
| ECO B42 in 1970 play it! pietrusiak bogda defeats black's filipowicz andrz in 119 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. O-O e5 8. Nd2 Qc7 9. a4 Nf6 10. Nc4 Bg4 11. Qe1 Bc5 12. Kh1 b5 13. Ne3 Bd7 14. f4 exf4 15. Nf5 g5 16. Qc3 Be7 17. Nxe7 Kxe7 18. Qc5+ Qd6 19. Qxg5 Rhg8 20. e5 Rxg5 21. exd6+ Ke8 22. Rxf4 Ng4 23. Re4+ Re5 24. Rxe5+ Nxe5 25. Bxh7 Nc4 26. axb5 cxb5 27. Be4 Ra7 28. Bf4 a5 29. b3 Nb6 30. Be3 Ra6 31. Bb7 Ra7 32. Bf3 Ra6 33. Bb7 Ra7 34. Bd5 Ra6 35. Bxb6 Rxb6 36. Rxa5 Rxd6 37. c4 bxc4 38. bxc4 Be6 39. Kg1 Bxd5 40. Rxd5 Rf6 41. Rd3 Rf5 42. g3 Ke7 43. Kg2 Ra5 44. Kf3 Ra2 45. h4 Rc2 46. Rd4 f5 47. Kf4 Ke6 48. h5 Rh2 49. Kg5 Rh3 50. Rd3 Ke5 51. Rf3 Ke6 52. h6 Ke7 53. Ra3 Ke6 54. Kg6 f4 55. Ra6+ Ke5 56. gxf4+ Kxf4 57. Kg7 Kf5 58. Rg6 Ra3 59. Rf6+ Kg5 60. h7 |
| ECO B27 in 1965 play it! pietrusiak bogda defeats black's blom kaj in 53 moves | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nf6 6. Nc3 d6 7. Bc4 O-O 8. f3 Nc6 9. Qd2 a6 10. Bb3 Nxd4 11. Bxd4 Be6 12. O-O-O Bxb3 13. cxb3 Rc8 14. Kb1 b5 15. h4 h5 16. Nd5 Nxd5 17. exd5 Qd7 18. g4 hxg4 19. Bxg7 Kxg7 20. Qd4+ f6 21. fxg4 Rc5 22. h5 g5 23. Rhe1 Rf7 24. Re6 Qb7 25. Qe4 b4 26. Qg6+ Kf8 27. h6 |
| ECO B22 in 1976 play it! pietrusiak bogda defeats black's skacel bohuslav in 79 moves | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 d5 9. h3 Bf5 10. Nc3 e6 11. Bg5 Be7 12. Bxe7 Qxe7 13. Bxc6+ bxc6 14. O-O O-O 15. Rc1 Rfc8 16. Qe2 a5 17. a3 Nc4 18. Na4 Rab8 19. Rc3 Qb7 20. Nd2 Qb5 21. Nxc4 Qxa4 22. Nd6 Rc7 23. Qd2 Ra7 24. g4 Bg6 25. f4 Be4 26. f5 exf5 27. gxf5 Ra6 28. e6 fxe6 29. fxe6 Ra7 30. Rfc1 Re7 31. Rxc6 h6 32. Nxe4 dxe4 33. Qe3 Rd8 34. Rc8 Ree8 35. Rxd8 Rxd8 36. e7 Re8 37. Qxe4 Qd7 38. Re1 Kh8 39. Kg2 Qb5 40. Re2 |
| ECO B42 in 1962 play it! pietrusiak bogda defeats black's gabrys zygmunt in 33 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Be3 Qc7 7. Nxc6 dxc6 8. O-O e5 9. Nd2 b5 10. a4 Rb8 11. axb5 cxb5 12. c4 Bc5 13. Bxc5 Qxc5 14. cxb5 axb5 15. Qb3 Be6 16. Rac1 Qxc1 17. Bxb5+ |
| ECO B27 in 1962 play it! pietrusiak bogda defeats black's grabczewski romu in 99 moves | 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nh6 7. Bc4 O-O 8. Bb3 e6 9. f4 Ng4 10. Qxg4 Nxd4 11. O-O-O f5 12. exf5 Nxf5 13. Bxe6+ Kh8 14. Bxf5 Rxf5 15. Bd4 d5 16. Rhe1 Bd7 17. Qe2 Bc6 18. Qd2 Qf8 19. g3 a6 20. Ne2 Rf7 21. Bxg7+ Qxg7 22. Nd4 Rc8 23. Re5 Bd7 24. Rde1 Bg4 25. h4 h6 26. Ne6 Bxe6 27. Rxe6 d4 28. Qd3 Rg8 29. Rd6 Rd7 30. Ree6 Rxd6 31. Rxd6 Qf7 32. Qxd4+ Rg7 33. Qd5 Qxd5 34. Rxd5 Re7 35. Kd2 Kg7 36. c4 Kf6 37. Kc3 Re3+ 38. Rd3 Re7 39. b4 Kf5 40. a4 Kg4 41. b5 axb5 42. axb5 Kf5 43. c5 Rg7 44. Kc4 Ke4 45. c6 bxc6 46. bxc6 g5 47. hxg5 Rg6 48. Rd4+ Ke3 49. Kc5 hxg5 50. c7 |
| ECO B27 in 1964 play it! pietrusiak bogda defeats black's filipowicz andrz in 51 moves | 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Nd7 10. Qd2 Nb6 11. h4 Na5 12. Qd3 Nxb3 13. axb3 d5 14. Nde2 Be6 15. O-O-O dxe4 16. Qxe4 Qc8 17. Nd4 Bd7 18. h5 e5 19. hxg6 exd4 20. Qh4 h6 21. Bxh6 Qd8 22. Bg5 Qxg5+ 23. Qxg5 dxc3 24. Rh7 cxb2+ 25. Kb1 Rae8 26. Rdh1 |
| ECO B22 in 1974 play it! pietrusiak bogda defeats black's kruszynski wlodz in 111 moves | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Nc3 dxe5 8. dxe5 Nxc3 9. Qxd8+ Nxd8 10. bxc3 Nc6 11. Bb5 Bd7 12. Rb1 e6 13. O-O Be7 14. Rd1 O-O-O 15. Be3 Kc7 16. c4 b6 17. a4 h6 18. c5 bxc5 19. Rdc1 Rc8 20. Bxc5 Bxc5 21. Rxc5 Kd8 22. Ba6 Rb8 23. Rd1 Ke7 24. Bb5 Rhc8 25. h4 Ra8 26. Rxd7+ Kxd7 27. Nd4 Rab8 28. Nxc6 Rxb5 29. axb5 a6 30. Rc2 axb5 31. Nd4 Rxc2 32. Nxc2 Kc6 33. Kf1 Kd5 34. Ke2 Kxe5 35. Kd3 Kf4 36. Nd4 b4 37. Kc4 e5 38. Ne2+ Kg4 39. Kxb4 f5 40. Kc4 Kxh4 41. Kd5 e4 42. Ke5 Kg4 43. Nd4 g6 44. Ne2 Kg5 45. Nd4 h5 46. g3 h4 47. gxh4+ Kxh4 48. Nxf5+ gxf5 49. Kxf5 Kh5 50. Kxe4 Kg6 51. Ke5 Kf7 52. Kf5 Ke7 53. Kg6 Kf8 54. f4 Ke7 55. f5 Kf8 56. Kf6 |
| ECO B75 in 1972 play it! pietrusiak bogda defeats black's nowak ignacy in 115 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Bd7 8. Qd2 Nc6 9. g4 a6 10. O-O-O b5 11. g5 Nh5 12. Be2 Rc8 13. Nb3 Nb4 14. Bd4 e5 15. Be3 d5 16. Bc5 Bf8 17. Bxf8 Rxf8 18. a3 Nxc2 19. Kxc2 d4 20. Nxd4 exd4 21. Qxd4 Be6 22. Qe5 Qc7 23. Qxc7 Rxc7 24. Rd6 Nf4 25. Bf1 Ra7 26. Rxa6 Rxa6 27. Bxb5+ Ke7 28. Bxa6 Nh3 29. Be2 Nxg5 30. f4 Nh3 31. Rf1 f6 32. a4 Rb8 33. a5 g5 34. fxg5 fxg5 35. a6 Nf4 36. a7 Bb3+ 37. Kd2 Ra8 38. Ra1 Nxe2 39. Nxe2 Kd6 40. Nd4 Bf7 41. Ra5 g4 42. e5+ Kc7 43. e6 Bg6 44. b4 Kb6 45. Ke3 h5 46. Nb5 Kc6 47. Kf4 Be8 48. Nc3 Kd6 49. Ra6+ Kc7 50. Ne4 Bc6 51. Nf6 Bb7 52. Ra5 Kd6 53. Nd7 Ke7 54. Nb8 Kd6 55. Kf5 Ke7 56. b5 Bf3 57. b6 h4 58. Rc5 |
| ECO B22 in 1992 play it! pietrusiak bogda defeats black's faldt magnus in 85 moves | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. O-O Bf5 10. Nxd4 Nxd4 11. cxd4 e6 12. Nc3 Be7 13. Qf3 O-O 14. Rd1 Qb4 15. Bf4 a5 16. Bd2 Nc4 17. Be1 Nxb2 18. Nd5 Qd6 19. Nxe7+ Qxe7 20. Rd2 a4 21. Rxb2 axb3 22. Rxb3 Qh4 23. Qxb7 Be4 24. Qc7 Bd5 25. Rg3 Qe4 26. Rc1 Rxa2 27. Bb4 Qxd4 28. Bc5 Qc4 29. Rxg7+ Kh8 30. Rf1 Rfa8 31. Qe5 Qxf1+ 32. Kxf1 Bc4+ 33. Ke1 Re2+ 34. Qxe2 Bxe2 35. Bd4 e5 36. Bxe5 h5 37. Rg5+ Kh7 38. Kxe2 Re8 39. f4 f6 40. Rxh5+ Kg6 41. Rh3 fxe5 42. Re3 e4 43. Rg3+ |
| ECO C44 in 1962 play it! pietrusiak bogda defeats black's tarnowski alfred in 53 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bg4 7. Be2 O-O-O 8. Nc3 Qd7 9. Be3 Nf6 10. O-O Bb4 11. Qa4 Ba5 12. d5 Bxf3 13. dxc6 Bxc6 14. Qxa5 a6 15. Qc5 Qe6 16. Rad1 Rd6 17. Rxd6 cxd6 18. Qb6 Nd7 19. Qd4 Ne5 20. Rd1 Qg6 21. Nd5 Re8 22. f4 Nd7 23. Bf3 Nf6 24. Nb6+ Kb8 25. Qxd6+ Ka7 26. Nd7+ Ka8 27. Qxc6 |
| ECO C77 in 1967 play it! pietrusiak bogda defeats black's sydor andrzej in 91 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Nd7 7. O-O Bd6 8. Nbd2 f6 9. Nc4 Nf8 10. Nh4 Be6 11. Nf5 Bxf5 12. exf5 Qd7 13. f4 O-O-O 14. fxe5 Bxe5 15. Nxe5 Qd4+ 16. Kh1 fxe5 17. Qf3 Nd7 18. Qe3 Nf6 19. Qxd4 Rxd4 20. Bd2 Re8 21. Bc3 Rd7 22. Rae1 Rde7 23. Bb4 Rf7 24. Bc3 Rfe7 25. Kg1 Kd7 26. Bb4 Rf7 27. Re2 Nd5 28. Bd2 Kd6 29. c4 Nf6 30. Rfe1 c5 31. Bc3 Rfe7 32. a3 Nd7 33. b4 b6 34. g4 h6 35. Kg2 Nb8 36. Rf2 Rf7 37. d4 cxd4 38. Bxd4 c5 39. bxc5+ bxc5 40. Bxe5+ Kc6 41. Rfe2 Nd7 42. Bc3 Rxe2+ 43. Rxe2 Nb6 44. Re6+ Kb7 45. Rg6 Nxc4 46. Rxg7 |
| ECO C44 in 1965 play it! pietrusiak bogda defeats black's brzozka stefan in 69 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Be6 7. Bxe6 fxe6 8. Qb3 Qc8 9. Ng5 Nd8 10. f4 Nh6 11. f5 exf5 12. O-O Be7 13. exf5 c6 14. Bd2 Nhf7 15. Rae1 Qc7 16. Nxf7 Nxf7 17. f6 gxf6 18. Qe6 Qd7 19. Qxf6 Rf8 20. Qg7 Ne5 21. Bg5 h6 22. Bxe7 Qxe7 23. Rxf8+ Qxf8 24. Qxb7 Rd8 25. Qxc6+ Ke7 26. Nd5+ Kf7 27. Rf1+ Kg7 28. Qa4 Qe8 29. Qxa7+ Rd7 30. Qd4 Qa8 31. a4 Kh8 32. Nb6 Qa7 33. a5 Kg8 34. b4 Rg7 35. Kh1 |