| ECO B45 in 2007 play it! semyon defeats black's ion in 97 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be2 Bb4 7. Qd3 Ne5 8. Qe3 d5 9. Bb5+ Ned7 10. exd5 Nxd5 11. Qg3 Qf6 12. Ne2 Nxc3 13. Nxc3 O-O 14. Bd2 a6 15. Bd3 Nc5 16. O-O Nxd3 17. Qxd3 b5 18. Qe4 Bxc3 19. Bxc3 Qe7 20. Qxa8 Bb7 21. Qa7 Ra8 22. Qd4 Qg5 23. f3 Rd8 24. Qe5 Qxe5 25. Bxe5 f6 26. Bc3 Bd5 27. Rad1 Rc8 28. a3 a5 29. Rf2 a4 30. Rfd2 Kf7 31. f4 g6 32. g4 Rc4 33. Rd4 Rc6 34. f5 gxf5 35. gxf5 Rc7 36. Kf2 Rc6 37. Ke3 Rc5 38. R4d2 Rc4 39. Rd4 Rc5 40. Kf2 Rc6 41. Kg3 Rc8 42. R4d2 Rg8+ 43. Kh4 h5 44. Rf2 Rg4+ 45. Kxh5 Rg5+ 46. Kh4 Bc4 47. fxe6+ Kxe6 48. Rxf6+ Ke7 49. Kxg5 |
| ECO B33 in 2007 play it! semyon defeats black's karpo in 93 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bg5 Bb4 8. a3 Bxc3+ 9. bxc3 h6 10. Bh4 g5 11. Bg3 d6 12. Qd3 a5 13. Rb1 Ba6 14. c4 Rb8 15. Rb3 a4 16. Rxb8 Qxb8 17. f3 h5 18. Qd2 h4 19. Bf2 Qb1+ 20. Qd1 Qxd1+ 21. Kxd1 O-O 22. Be3 Nh7 23. g3 Rb8 24. gxh4 Rb1+ 25. Bc1 gxh4 26. Rg1+ Kf8 27. Rg4 d5 28. Rxh4 Ng5 29. exd5 cxd5 30. f4 Nf3 31. Rh3 e4 32. Rh8+ Ke7 33. Ra8 Bxc4 34. Bxc4 dxc4 35. Rxa4 e3 36. Rb4 Ra1 37. a4 Kd6 38. Rxc4 Kd5 39. Rc3 Kd4 40. Ra3 Rxa3 41. Bxa3 f5 42. h3 Ng1 43. h4 e2+ 44. Kd2 Ke4 45. h5 Kf3 46. Ke1 Ke3 47. Bc5+ |
| ECO B41 in 2007 play it! semyon defeats black's pilgrim in 51 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 d6 7. Be2 Be7 8. O-O O-O 9. f4 Qc7 10. f5 Nc6 11. Nb3 Rd8 12. Qe1 d5 13. exd5 Nxd5 14. Nxd5 Rxd5 15. fxe6 Bxe6 16. Bf4 Qb6+ 17. Kh1 Nd4 18. Be3 Bf6 19. Rxf6 gxf6 20. Nxd4 Rxd4 21. c3 Re8 22. Bxd4 Qxb2 23. Bd3 Bd7 24. Qg3+ Kf8 25. Bc5+ Re7 26. Re1 |
| ECO B92 in 2007 play it! semyon defeats black's malmason by checkmate in 61 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. f3 b5 10. a3 Bb7 11. g4 Nc6 12. h4 Nxd4 13. Bxd4 e5 14. Be3 Rc8 15. h5 Nd7 16. Bh6 Nc5 17. Bxg7 Kxg7 18. hxg6 fxg6 19. Qh6+ Kf6 20. g5+ Ke6 21. Qxh7 Qxg5 22. Qh3+ Kf6 23. Kf2 Ke7 24. Rag1 Qf6 25. Qh7+ Rf7 26. Qxg6 Qxg6 27. Rxg6 Rcf8 28. Ke3 Ne6 29. Rhh6 Nf4 30. Rxd6 Nxe2 31. Rhe6# |
| ECO B43 in 2007 play it! semyon defeats black's blitz1 in 59 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Be2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Qd3 d6 11. Kh1 Bd7 12. f4 Bc6 13. f5 O-O 14. Bg5 Nd7 15. f6 Ne5 16. Qh3 Rfe8 17. fxg7 b5 18. Rf4 Ng6 19. Rff1 Bd4 20. Bf6 Bxf6 21. Rxf6 e5 22. Raf1 Nf4 23. Qf5 Ra7 24. Rh6 Ng6 25. Qh5 Nf4 26. Rxf4 exf4 27. Rxh7 f5 28. Qg6 Qxg7 29. Rxg7+ Rxg7 30. Qxf5 |
| ECO C44 in 2007 play it! semyon defeats black's baron by checkmate in 57 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. Bb5 exd4 5. Nxd4 Bd7 6. Nc3 Nge7 7. Bg5 f6 8. Be3 Nxd4 9. Bxd7+ Qxd7 10. Bxd4 Nc6 11. Nd5 Nxd4 12. Qxd4 c6 13. Ne3 Be7 14. O-O-O Qe6 15. Kb1 O-O 16. f4 c5 17. Qd3 Rfd8 18. g4 a6 19. Nf5 b5 20. h4 c4 21. Qd4 a5 22. g5 a4 23. Rdg1 a3 24. Nxe7+ Qxe7 25. gxf6 Qf7 26. Rxg7+ Qxg7 27. fxg7 axb2 28. Rg1 b4 29. Qd5# |
| ECO C45 in 2007 play it! semyon defeats black's takisup in 47 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nxc6 Qxc6 6. Nc3 Bb4 7. Qd4 Bxc3+ 8. bxc3 Nf6 9. Bd3 d6 10. O-O O-O 11. Bg5 Nd7 12. f4 Nc5 13. Kh1 h6 14. Bh4 Ne6 15. Qe3 Qxc3 16. f5 Nd4 17. f6 Nxc2 18. Qg3 g6 19. Rac1 Qe5 20. Rxc2 c6 21. Qe3 Qh5 22. Bg3 Rd8 23. Be2 Bg4 24. Bxg4 |
| ECO C65 in 2007 play it! semyon defeats black's broitman in 57 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O a6 5. Bxc6 bxc6 6. Nxe5 Bd6 7. Nf3 O-O 8. e5 Bc5 9. exf6 Qxf6 10. d4 Bb6 11. Bg5 Qg6 12. Re1 Bb7 13. Qd2 d6 14. Nc3 c5 15. d5 Ba5 16. Rad1 f6 17. Bh4 c6 18. Re7 Rab8 19. dxc6 Bxc6 20. Kh1 Rfd8 21. Qe2 Rxb2 22. Qe6+ Kh8 23. Nd5 Qxc2 24. Rg1 Qg6 25. Nxf6 Bc3 26. Ng4 Qd3 27. Ng5 Bxg2+ 28. Kxg2 Qb5 29. Nf7+ |
| ECO C70 in 2007 play it! semyon defeats black's supertech by checkmate in 57 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 Ng4 7. h3 Nf6 8. O-O Bc5 9. Bg5 h6 10. Bh4 Nh5 11. Bxd8 Nxd8 12. Nxe5 Ng3 13. Re1 Bd6 14. Nf3 Nh5 15. e5 Bb4 16. c3 Bc5 17. d4 Bb6 18. Nh4 O-O 19. Qxh5 d6 20. exd6 c6 21. Ng6 Ne6 22. Nxf8 Kxf8 23. Bxe6 fxe6 24. Nd2 c5 25. Nf3 cxd4 26. Nxd4 Bd7 27. Nxe6+ Kg8 28. Qg6 b4 29. Qxg7# |
| ECO C70 in 2007 play it! semyon defeats black's baron by checkmate in 135 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nd4 6. Nxd4 exd4 7. O-O Nf6 8. e5 Ne4 9. d3 Nc5 10. Bd5 c6 11. Bf3 Be7 12. c3 dxc3 13. bxc3 d6 14. Bxc6+ Bd7 15. Bxa8 Qxa8 16. exd6 Bxd6 17. Re1+ Ne6 18. d4 O-O 19. Nd2 Nf4 20. Nf3 Bg4 21. Bxf4 Bxf4 22. Qd3 Qd5 23. Ne5 h5 24. Nxg4 hxg4 25. Re4 Qg5 26. Rae1 g6 27. Qe2 Kg7 28. g3 Bd6 29. Rxg4 Qd5 30. h4 Rh8 31. Rg5 Qc6 32. Qd3 Qd7 33. Kg2 Be7 34. Rge5 Bf6 35. R5e4 g5 36. h5 Rxh5 37. Rh1 Rxh1 38. Kxh1 Qd5 39. Qc2 Bd8 40. Kh2 Qf5 41. Re2 Qf3 42. Qe4 Qh5+ 43. Kg2 Bf6 44. g4 Qh4 45. Re3 Bd8 46. Rh3 f5 47. Qb7+ Kg6 48. Qxa6+ Bf6 49. Rxh4 gxh4 50. gxf5+ Kxf5 51. Qxb5+ Kg4 52. Qd7+ Kg5 53. f3 Kf4 54. Kf2 Kg5 55. Qg4+ Kh6 56. a4 Bd8 57. d5 Bb6+ 58. Kg2 Bd8 59. c4 Kh7 60. c5 Kh6 61. d6 Kh7 62. c6 h3+ 63. Kxh3 Kh6 64. c7 Bf6 65. d7 Be7 66. c8=Q Bf6 67. d8=Q Be7 68. Qh8# |
| ECO C41 in 2007 play it! semyon defeats black's guacheria by checkmate in 63 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 Be6 4. Bxe6 fxe6 5. O-O Be7 6. Nc3 c6 7. d3 Nf6 8. Be3 h6 9. Re1 g5 10. d4 b5 11. dxe5 d5 12. exf6 Bxf6 13. Bd4 h5 14. exd5 g4 15. Nd2 Bxd4 16. Nb3 Bxf2+ 17. Kxf2 Qf6+ 18. Kg1 Rf8 19. Rxe6+ Kd7 20. Rxf6 Rxf6 21. dxc6+ Kxc6 22. Nd4+ Kc5 23. Ne4+ Kd5 24. Nxf6+ Kc5 25. Ne6+ Kb6 26. Qd5 Nc6 27. Nd7+ Ka5 28. Qxc6 Rg8 29. b4+ Kxb4 30. a3+ Ka5 31. Qc7+ Ka6 32. Ndc5# |
| ECO C60 in 2007 play it! semyon defeats black's tlc in 55 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 a6 5. Bxc6 bxc6 6. d4 exd4 7. Nxd4 c5 8. Nb3 d6 9. O-O c6 10. Bf4 f5 11. exf5 Nxf5 12. Re1+ Be7 13. Bg5 h6 14. Bxe7 Nxe7 15. Qh5+ g6 16. Qxg6+ Kd7 17. Qg3 Rg8 18. Qf3 Kc7 19. Rad1 Rf8 20. Qe3 Nf5 21. Qe4 Qf6 22. Qf3 Qh4 23. Na5 Bd7 24. Ne2 Qf6 25. Ng3 Qxb2 26. Nxf5 Rxf5 27. Qb3 Qf6 28. Qb7+ |
| ECO C40 in 2007 play it! semyon defeats black's guacheria in 51 moves | 1. e4 e5 2. Nf3 f6 3. Bc4 c6 4. Nc3 b5 5. Bb3 a5 6. a3 a4 7. Ba2 Bb7 8. d4 d5 9. dxe5 d4 10. Qxd4 Qxd4 11. Nxd4 fxe5 12. Ne6 Bd6 13. Nxg7+ Kf8 14. Nf5 Nd7 15. Nxd6 Ba6 16. Nf7 Kg7 17. Nxh8 Kxh8 18. b3 Nc5 19. Be3 Ne6 20. bxa4 Re8 21. Bxe6 Rxe6 22. axb5 cxb5 23. a4 Rc6 24. Nxb5 Rxc2 25. Rc1 Rxc1+ 26. Bxc1 |
| ECO C40 in 2007 play it! semyon defeats black's supertech by checkmate in 71 moves | 1. e4 e5 2. Nf3 Qf6 3. Bc4 Nc6 4. d3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Nd4 7. Nxd4 exd4 8. c3 dxc3 9. Nxc3 Nh6 10. Nd5 Qe5 11. O-O c6 12. Qf4 Qxb2 13. Nc7+ Kd8 14. Nxa8 b5 15. Qc7+ Ke7 16. Bb3 Ng4 17. Qf4 Ne5 18. Rad1 Qd4 19. Qe3 Qb4 20. d4 Ng4 21. Qg5+ Nf6 22. e5 h6 23. exf6+ gxf6 24. Rfe1+ Kf8 25. Qc5+ Qxc5 26. dxc5 Bb7 27. Nc7 b4 28. Rxd7 Bc8 29. Re8+ Kg7 30. Rxh8 Bxd7 31. Rd8 Bf5 32. f3 Kg6 33. Rg8+ Kh5 34. Bxf7+ Bg6 35. Rxg6 b3 36. Rg4# |
| ECO C60 in 2007 play it! semyon defeats black's tlc in 43 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 a6 5. Bxc6 Nxc6 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 b6 9. O-O c5 10. Qd5 Rb8 11. Bf4 Bb7 12. Qe5+ Qe7 13. Qxb8+ Qd8 14. Qxb7 Be7 15. Nd5 O-O 16. Qc7 Qxc7 17. Nxe7+ Kh8 18. Bxc7 Re8 19. Bd6 h6 20. f4 g5 21. fxg5 hxg5 22. Rxf7 |
| ECO C42 in 2007 play it! semyon defeats black's sowsere by checkmate in 95 moves | 1. e4 e5 2. Nf3 Nf6 3. c3 Nxe4 4. d4 exd4 5. Nxd4 Qf6 6. Qe2 b6 7. Qxe4+ Be7 8. Qxa8 Qe5+ 9. Be3 c5 10. Nf3 Qd6 11. Qe4 O-O 12. Bd3 g6 13. O-O f5 14. Bc4+ Kg7 15. Qe5+ Qxe5 16. Nxe5 f4 17. Bc1 Bg5 18. Re1 Re8 19. Nf3 Rxe1+ 20. Nxe1 Nc6 21. Na3 d6 22. Nb5 Na5 23. Nxd6 Bd7 24. b4 Nc6 25. Bb5 Be7 26. Bxc6 Bxc6 27. Bxf4 a5 28. bxa5 bxa5 29. Nd3 c4 30. Ne5 Ba8 31. Nexc4 a4 32. Re1 Bh4 33. g3 Bd8 34. Re8 Bc7 35. Rxa8 Bxd6 36. Nxd6 Kf6 37. c4 g5 38. Bxg5+ Kxg5 39. c5 Kf6 40. c6 Ke6 41. c7 Kxd6 42. c8=Q a3 43. Qe8 h5 44. Rd8+ Kc5 45. Rd7 Kc4 46. Qc8+ Kb4 47. Rb7+ Ka4 48. Qa8# |
| ECO C42 in 2007 play it! semyon defeats black's bulldog1 by checkmate in 57 moves | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Be7 4. Bc4 O-O 5. d3 Kh8 6. Bg5 Rg8 7. Bxf7 a5 8. Bxg8 Kxg8 9. Nxe5 a4 10. O-O a3 11. b3 Bb4 12. Nd5 Bc3 13. Rb1 Bxe5 14. d4 Bf4 15. Nxf6+ gxf6 16. Bxf4 d5 17. e5 Qe8 18. Re1 Qg6 19. exf6 Qxf6 20. Re8+ Kg7 21. Be5 Nc6 22. Bxf6+ Kxf6 23. Qf3+ Kg7 24. Qxd5 Nxd4 25. Qxd4+ Kh6 26. Rbe1 Ra6 27. Qf6+ Kh5 28. R1e5+ Kg4 29. Rg8# |
| ECO C70 in 2007 play it! semyon defeats black's original in 49 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 Bc5 7. Bg5 h6 8. Bh4 g5 9. Bg3 g4 10. Nxe5 Nxe5 11. Bxe5 Qe7 12. Bxc7 h5 13. Nc3 Rh6 14. Nd5 Nxd5 15. Bxd5 Qf6 16. f3 Rg6 17. Bxa8 gxf3 18. Qxf3 Qxb2 19. Rd1 Qxc2 20. Qe2 Bb4+ 21. Kf2 Rf6+ 22. Ke3 Bc5+ 23. d4 Bxd4+ 24. Rxd4 Qc1+ 25. Rxc1 |
| ECO C65 in 2007 play it! semyon defeats black's til by checkmate in 77 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3 Bxe3 6. fxe3 d6 7. Nc3 Be6 8. d4 Bg4 9. d5 O-O 10. dxc6 bxc6 11. Bxc6 Rb8 12. b3 Qe7 13. h3 Bh5 14. g4 Bg6 15. g5 Nxe4 16. Nxe4 Bxe4 17. Bxe4 Qe6 18. Nd2 f6 19. Qh5 g6 20. Bxg6 hxg6 21. Qxg6+ Kh8 22. h4 Qg4 23. h5 Qg3+ 24. Ke2 Qg2+ 25. Kd3 Qd5+ 26. Kc3 Qa5+ 27. Kb2 fxg5 28. h6 Rg8 29. Qf6+ Kh7 30. Qf7+ Kh8 31. Nf3 Rbf8 32. Qh5 e4 33. Nd4 Qe5 34. h7 Rg7 35. Raf1 Rxf1 36. Rxf1 Rxh7 37. Rf8+ Kg7 38. Rf7+ Kg8 39. Qxh7# |
| ECO C41 in 2007 play it! semyon defeats black's uonny by checkmate in 63 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 Nh6 4. d3 b6 5. Nc3 Be7 6. Bd2 Bb7 7. Qe2 c5 8. Bd5 Qd7 9. Ng5 O-O 10. Bxb7 Qxb7 11. Nd5 Nc6 12. Nf3 Ng4 13. h3 Nh6 14. Bxh6 gxh6 15. Qe3 h5 16. Qh6 h4 17. Rg1 Kh8 18. g3 Rg8 19. O-O-O Nd4 20. Nxh4 Qa6 21. Kb1 Qa4 22. b3 Qd7 23. f4 Qxh3 24. Nxe7 Rge8 25. Neg6+ Kg8 26. Rh1 Qe6 27. f5 Qf6 28. Rdf1 Ne6 29. fxe6 Rxe6 30. Rxf6 Rxf6 31. Ne7+ Kh8 32. Qxf6# |