| ECO C41 in 2007 play it! semyon defeats black's baron in 47 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. Nc3 c6 5. d4 b5 6. Bb3 a5 7. a3 Be7 8. dxe5 Bg4 9. exd6 Qxd6 10. Qxd6 Bxd6 11. e5 Bxf3 12. exd6 Bxg2 13. Rg1 Bd5 14. Nxd5 cxd5 15. Bxd5 Ra7 16. Rxg7 Nf6 17. Bf3 Kf8 18. Rg3 Nbd7 19. Be3 Ra6 20. O-O-O Ne8 21. Bg4 Ne5 22. d7 Nxd7 23. Bxd7 Nc7 24. Bc5+ |
| ECO C40 in 2007 play it! semyon defeats black's guacheria by checkmate in 61 moves | 1. e4 e5 2. Nf3 f6 3. Bc4 a6 4. Nc3 b5 5. Bb3 Bb4 6. a3 Bxc3 7. bxc3 Bb7 8. Qe2 d5 9. exd5 Bxd5 10. Bxd5 Qxd5 11. O-O Nd7 12. Rd1 g5 13. d4 h5 14. dxe5 Qe6 15. Nd4 Qxe5 16. Qxe5+ Nxe5 17. Re1 O-O-O 18. a4 Nh6 19. axb5 axb5 20. Nxb5 Rd5 21. Ra8+ Kb7 22. Rxh8 Neg4 23. Nd4 h4 24. h3 Nf7 25. Rh7 Nge5 26. Be3 Ra5 27. Rb1+ Ka6 28. Nf3 Ra2 29. Nxe5 Nxe5 30. Rxc7 Rxc2 31. Ra7# |
| ECO C62 in 2007 play it! semyon defeats black's motocrash by checkmate in 133 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 a6 5. Bxc6+ bxc6 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Nxe5 Be6 9. Nxc6+ Kd7 10. Nd4 Bc5 11. Nxe6 fxe6 12. O-O Nf6 13. Nc3 e5 14. Bg5 Ng4 15. Rad1+ Ke6 16. h3 Nf6 17. Kh1 Rhf8 18. f4 exf4 19. Bxf4 Rab8 20. b3 Rb4 21. Bxc7 Rc8 22. Ba5 Nh5 23. Rd3 Rd4 24. Rff3 Rxd3 25. Rxd3 Nf4 26. Rf3 Bd6 27. Bb6 Be5 28. Nd5 Rxc2 29. Nxf4+ Bxf4 30. Rxf4 Ke5 31. Rg4 g6 32. a3 Rc1+ 33. Kh2 Rc3 34. Rg3 Rxg3 35. Kxg3 Kxe4 36. Kg4 h5+ 37. Kg5 Kd5 38. Kxg6 Kc6 39. Bf2 h4 40. Bxh4 a5 41. Be7 Kb5 42. h4 a4 43. bxa4+ Kxa4 44. h5 Kb5 45. h6 Kc6 46. h7 Kd7 47. Bb4 Ke6 48. h8=Q Kd5 49. Qe8 Kc4 50. Qe5 Kb3 51. Qc3+ Ka4 52. Kf5 Kb5 53. Ke5 Kb6 54. Qc5+ Kb7 55. Kd6 Ka6 56. Ba5 Kb7 57. Qc7+ Ka8 58. Qc6+ Ka7 59. Kc5 Kb8 60. Be1 Ka7 61. g4 Kb8 62. g5 Ka7 63. g6 Kb8 64. g7 Ka7 65. a4 Kb8 66. Qd7 Ka8 67. g8=Q# |
| ECO C70 in 2007 play it! semyon defeats black's molsonice by checkmate in 85 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Qf6 6. d3 Nb4 7. a3 Nc6 8. Bg5 Qd6 9. Nc3 f6 10. Be3 b4 11. Nd5 bxa3 12. bxa3 Nh6 13. h3 Rb8 14. O-O g5 15. Nd2 Nb4 16. axb4 Rxb4 17. Nxb4 Qxb4 18. Nc4 g4 19. Bxh6 Bxh6 20. Qxg4 Rf8 21. Qh5+ Rf7 22. Nd6+ cxd6 23. Qxf7+ Kd8 24. Qxf6+ Ke8 25. Qxh6 Qc3 26. Qxh7 Qc6 27. Qg8+ Ke7 28. Qf7+ Kd8 29. h4 d5 30. Bxd5 Qxc2 31. h5 Qxd3 32. h6 Qh3 33. h7 Qh6 34. Qg8+ Ke7 35. h8=Q Qf4 36. Qhg7+ Kd6 37. Q8f8+ Kc7 38. Rac1+ Kb6 39. Qg6+ Kb5 40. Qxc8 Qh4 41. Rb1+ Ka4 42. Ra1+ Kb4 43. Rfb1# |
| ECO C62 in 2007 play it! semyon defeats black's ladyofknight in 53 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. d5 Nce7 6. Bxd7+ Qxd7 7. c4 h6 8. Nc3 Nf6 9. h3 Ng6 10. Be3 Be7 11. Qd2 O-O 12. g4 Nh7 13. O-O-O Qd8 14. Rdg1 Bg5 15. Nxg5 Nxg5 16. Rg3 Nh4 17. Ne2 Ngf3 18. Qd1 g5 19. Ng1 Nd4 20. Bxd4 exd4 21. Qxd4 f6 22. Nf3 Ng6 23. h4 Nf4 24. Kd2 Qe7 25. hxg5 fxg5 26. Rxh6 Qe5 27. Nxe5 |
| ECO C41 in 2007 play it! semyon defeats black's goode by checkmate in 59 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Nc6 5. Nc3 Bg4 6. h3 Bh5 7. Bg5 a5 8. Nd5 a4 9. a3 Nd4 10. c3 Nb3 11. Bxb3 axb3 12. Qxb3 c6 13. Nxf6+ gxf6 14. Be3 d5 15. exd5 cxd5 16. Nd2 d4 17. cxd4 exd4 18. Bf4 Bg7 19. Qb5+ Kf8 20. Qxh5 Qe8+ 21. Ne4 f5 22. Qxf5 Qe7 23. Bd6 Re8 24. Bxe7+ Rxe7 25. Qc8+ Re8 26. Qxb7 h5 27. Kd1 Rh6 28. Rc1 Be5 29. Ng5 Rb8 30. Qxf7# |
| ECO C10 in 2007 play it! semyon defeats black's virtue in 55 moves | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Be7 9. O-O O-O 10. c3 c5 11. Ng5 cxd4 12. cxd4 Bd7 13. b3 Bc6 14. Bb2 Qd5 15. Nf3 Qh5 16. Be2 Bd6 17. Ne5 Qh6 18. Bc1 g5 19. f4 Bxe5 20. dxe5 Ne4 21. fxg5 Qg7 22. Bf3 Qxe5 23. Ba3 Qd4+ 24. Qxd4 Rfd8 25. Qe5 Nd2 26. Bb2 Nxf3+ 27. Rxf3 Kf8 28. Qg7+ |
| ECO C02 in 2007 play it! semyon defeats black's ion in 95 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Bb4+ 6. Nc3 Ne7 7. Bd3 Qc7 8. Bd2 Bd7 9. a3 Ba5 10. Nf3 a6 11. O-O O-O 12. Ng5 h6 13. Qh5 Nf5 14. Nf3 g6 15. Qh3 h5 16. g4 hxg4 17. Qxg4 Kg7 18. Qg5 Qd8 19. Qg4 Bxc3 20. bxc3 Rh8 21. Bg5 Qg8 22. Bf6+ Kf8 23. Bxh8 Qxh8 24. Bxf5 exf5 25. Qh4 Qxh4 26. Nxh4 b5 27. Nf3 Ke7 28. Nd2 Nc6 29. Nb3 Nd8 30. Nc5 Bc6 31. f4 Ne6 32. Nd3 Ng7 33. Rf3 Rh8 34. Kg2 Nh5 35. Nc5 Ra8 36. a4 bxa4 37. Nxa4 Bxa4 38. Rxa4 Ng7 39. Rf1 Ne6 40. Kf3 Rc8 41. Ra3 Nc7 42. Rb1 Nb5 43. Rxa6 Rxc3+ 44. Kg2 Nxd4 45. Rb7+ Kf8 46. Ra8+ Kg7 47. Rbb8 f6 48. Rb7+ |
| ECO C02 in 2007 play it! semyon defeats black's virtue in 81 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 f6 7. O-O fxe5 8. dxe5 Be7 9. Nbd2 Bd7 10. c4 d4 11. Ne4 O-O-O 12. a3 Nh6 13. Bd2 a5 14. b4 axb4 15. axb4 Nxb4 16. Bxb4 Qxb4 17. Qd3 Nf5 18. Rfb1 Qxb1+ 19. Qxb1 Bc6 20. Bd3 Kc7 21. Qa2 Ra8 22. Qxa8 Rxa8 23. Rxa8 h6 24. Rg8 h5 25. h3 h4 26. Kh2 Kd7 27. g4 hxg3+ 28. fxg3 Ne3 29. Rxg7 Ke8 30. Nfg5 Bd7 31. Rg8+ Bf8 32. Nxc5 Nf5 33. Ngxe6 Bxe6 34. Nxe6 Kf7 35. Rxf8+ Kxe6 36. Rxf5 Kd7 37. Rf6 Kc7 38. e6 Kd6 39. c5+ Ke7 40. Rf7+ Ke8 41. Be4 |
| ECO C02 in 2007 play it! semyon defeats black's sweetpawn in 69 moves | 1. e4 e6 2. d4 d5 3. e5 Nc6 4. Bb5 Bd7 5. c4 Na5 6. Bxd7+ Qxd7 7. cxd5 Qxd5 8. Nf3 Nc4 9. Qa4+ c6 10. Nbd2 b5 11. Qb3 Be7 12. Nxc4 bxc4 13. Qc2 Nh6 14. h3 O-O 15. Bxh6 gxh6 16. Qd2 Bb4 17. Qxb4 Rab8 18. Qd6 Qe4+ 19. Kd1 Qd3+ 20. Kc1 Qe2 21. Qa3 Rb7 22. g4 Rfb8 23. Rb1 Qxf2 24. g5 hxg5 25. Nxg5 Qf4+ 26. Kc2 Qxd4 27. Rhg1 Kh8 28. Qc3 Qf2+ 29. Qd2 Qf5+ 30. Kc1 Qxe5 31. Re1 Qf5 32. Ne4 Qxh3 33. Nc5 Rb5 34. Na6 Rd5 35. Qc3+ |
| ECO B12 in 2007 play it! semyon defeats black's whiteknight by checkmate in 15 moves | 1. e4 c6 2. d4 d5 3. e5 Nd7 4. Bd3 f6 5. e6 Nb6 6. Qh5+ g6 7. Qxg6+ hxg6 8. Bxg6# |
| ECO B07 in 2007 play it! semyon defeats black's guacheria in 57 moves | 1. e4 d6 2. d4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 f6 6. Be3 Nc6 7. Bc4 Nb4 8. Bb3 a5 9. a3 Nc6 10. Nc3 b6 11. Bd5 Bb7 12. O-O Bc5 13. Bxc5 bxc5 14. Rad1 Nd4 15. Bxb7 Rb8 16. Nxd4 cxd4 17. Bc6 Rxb2 18. Nd5 Rxc2 19. Rc1 Re2 20. Rfe1 Ra2 21. a4 Ne7 22. Nxe7 Kxe7 23. Ra1 Rc2 24. Rec1 Rc3 25. Rxc3 dxc3 26. Rc1 Rd8 27. f3 Rd3 28. Bb5 Re3 29. Kf2 |
| ECO B01 in 2007 play it! semyon defeats black's littlewolf by checkmate in 93 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd7 4. Nf3 e6 5. d4 f5 6. d5 Nf6 7. Bb5 c6 8. dxc6 bxc6 9. Qxd7+ Bxd7 10. Bc4 c5 11. Nb5 Na6 12. Ne5 Rd8 13. Nxd7 Rxd7 14. Nc3 Nc7 15. Bf4 Bd6 16. Bxd6 Rxd6 17. Nb5 Nxb5 18. Bxb5+ Ke7 19. O-O Rhd8 20. Bd3 Nh5 21. Rfe1 g6 22. Re5 Nf4 23. Rxc5 Nxd3 24. cxd3 Rxd3 25. g3 Kf6 26. Rc7 h5 27. Rxa7 g5 28. a4 f4 29. a5 fxg3 30. hxg3 h4 31. Rh7 hxg3 32. fxg3 Rxg3+ 33. Kh2 Rdd3 34. a6 Rgf3 35. a7 Rd2+ 36. Kg1 Rff2 37. a8=Q Rg2+ 38. Qxg2 Rxg2+ 39. Kxg2 g4 40. b4 Kf5 41. b5 Kf4 42. b6 g3 43. b7 e5 44. b8=Q Kg4 45. Qf8 e4 46. Rg7+ Kh4 47. Qh8# |
| ECO B01 in 2007 play it! semyon defeats black's guacheria by checkmate in 15 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 Nc6 5. d4 Bd7 6. d5 Qg6 7. dxc6 Qxg2 8. Qxd7# |
| ECO B01 in 2007 play it! semyon defeats black's hodji in 49 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e6 5. Nf3 Bb4 6. Bd2 Bxc3 7. Bxc3 Qb6 8. Be2 Ne7 9. b3 O-O 10. Qd2 Qd6 11. Bb4 Qd7 12. Ne5 Qd8 13. c4 Nbc6 14. Nxc6 Nxc6 15. Bxf8 Qxf8 16. O-O Qd8 17. Rad1 e5 18. d5 Nd4 19. Bd3 Qf6 20. f4 Bg4 21. Rde1 Qh4 22. fxe5 Rf8 23. Qf4 f5 24. Qxd4 b5 25. h3 |
| ECO B01 in 2007 play it! semyon defeats black's guacheria in 87 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd7 4. Nf3 f6 5. Bc4 c6 6. O-O Nh6 7. Re1 e5 8. d4 b5 9. Bb3 Bb4 10. dxe5 Qxd1 11. Rxd1 Nd7 12. exf6 Nxf6 13. Ne2 Bg4 14. Ned4 O-O-O 15. c3 Rd6 16. cxb4 Re8 17. Be3 Ne4 18. Rac1 Bxf3 19. Nxf3 Rxd1+ 20. Rxd1 Ng4 21. Bxa7 Nexf2 22. Bxf2 Re2 23. Rd2 Re4 24. Rc2 Kc7 25. Bd5 Rxb4 26. Rxc6+ Kd7 27. b3 Nf6 28. Rb6 Nxd5 29. Rb7+ Kc6 30. Rxg7 Nf6 31. Rf7 Rf4 32. Bg3 Rf5 33. Nd4+ Kd5 34. Nxf5 Ke6 35. Rxf6+ Kxf6 36. Nd6 b4 37. Be1 h5 38. Bxb4 h4 39. a4 Kg5 40. a5 Kg4 41. a6 h3 42. g3 Kg5 43. a7 Kf6 44. a8=Q |
| ECO B01 in 2007 play it! semyon defeats black's spacemanspiff in 23 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe5+ 4. Be2 Nc6 5. Nf3 Qf6 6. O-O e5 7. Nd5 Qd6 8. Nc3 Nd4 9. d3 Bg4 10. Nxd4 exd4 11. Ne4 Qg6 12. Bxg4 |
| ECO B01 in 2007 play it! semyon defeats black's guacheria by checkmate in 61 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 Nc6 5. Nf3 Qd5 6. Nxd5 Kd7 7. d4 e6 8. Nc3 Bb4 9. Bd2 Nf6 10. a3 Bxc3 11. Bxc3 Ke8 12. Ne5 Ne7 13. Ng4 h5 14. Nxf6+ gxf6 15. Bxh5 f5 16. d5 Rg8 17. dxe6 Bxe6 18. g3 Rd8 19. Qe2 Bd5 20. Rg1 Rd6 21. Bf3 Rxg3 22. Rxg3 Bxf3 23. Qxf3 c5 24. Rd1 Re6+ 25. Kf1 Re4 26. Re1 f6 27. Rxe4 fxe4 28. Qxe4 f5 29. Qe3 b5 30. Bf6 Kf7 31. Qxe7# |
| ECO B01 in 2007 play it! semyon defeats black's corkie by checkmate in 39 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 h6 5. d4 Nf6 6. Nf3 Nbd7 7. O-O b6 8. Re1 a6 9. Bxa6 Qf5 10. Bd3 Qa5 11. Bd2 Ba6 12. Nb5 Qa4 13. b3 Bxb5 14. bxa4 Bxa4 15. Ne5 Nxe5 16. dxe5 Nd5 17. Be4 Rd8 18. Qf3 Bc6 19. e6 f6 20. Bg6# |
| ECO B01 in 2007 play it! semyon defeats black's jim1 by checkmate in 125 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qc5 4. d4 Qd6 5. Nf3 e5 6. Nxe5 Qe6 7. Bc4 Qf5 8. Nxf7 Nc6 9. Qe2+ Nge7 10. Nxh8 Nxd4 11. Qd3 Nxc2+ 12. Kd1 Qxd3+ 13. Bxd3 Nxa1 14. Re1 Bg4+ 15. f3 Rd8 16. Ke2 Nd5 17. Kf1+ Kd7 18. Nxd5 Be6 19. Bg5 Re8 20. Nf4 Bxa2 21. Rxa1 Bb4 22. Rxa2 Re1+ 23. Kf2 Re8 24. Nf7 Be1+ 25. Kf1 Re3 26. Rxa7 h6 27. Nxh6 gxh6 28. Bxh6 Bh4 29. g3 Rxf3+ 30. Ke2 Rxd3 31. Kxd3 Be7 32. Rxb7 Kc6 33. Ra7 Bc5 34. Ra4 Kb5 35. Rc4 Bd6 36. Nd5 c6 37. Nc3+ Kb6 38. Bf4 Bb4 39. Rxb4+ Kc5 40. Rc4+ Kb6 41. Rxc6+ Kxc6 42. Nb5 Kxb5 43. Bc7 Kc6 44. g4 Kd5 45. g5 Ke6 46. b4 Kf5 47. Bf4 Kxf4 48. b5 Kxg5 49. b6 Kf6 50. h4 Ke7 51. h5 Kd7 52. h6 Kc6 53. h7 Kxb6 54. h8=Q Kc6 55. Qd8 Kc5 56. Qd7 Kb4 57. Qc6 Kb3 58. Qc5 Kb2 59. Qc4 Kb1 60. Qc3 Ka2 61. Qb4 Ka1 62. Kc2 Ka2 63. Qa4# |