| ECO B01 in 2007 play it! semyon defeats black's samuel by checkmate in 111 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe5+ 4. Be2 Bf5 5. Nf3 Qf4 6. d3 Qg4 7. g3 e6 8. Nh4 Qb4 9. Nxf5 exf5 10. a3 Qd4 11. Be3 Qd6 12. Bf3 f4 13. Bxf4 Qe6+ 14. Be3 Na6 15. Bxb7 Rd8 16. Bxa6 Qxa6 17. Qg4 h5 18. Qa4+ Qxa4 19. Nxa4 Nf6 20. Nc3 Ng4 21. Nd1 Nxe3 22. Nxe3 Bc5 23. O-O O-O 24. b4 Bxe3 25. fxe3 Rfe8 26. e4 g5 27. Rf5 f6 28. Rxf6 Kg7 29. Raf1 Rf8 30. Rxf8 Rxf8 31. Rxf8 Kxf8 32. Kf2 h4 33. Ke3 hxg3 34. hxg3 Kf7 35. e5 Ke6 36. Ke4 c6 37. a4 g4 38. d4 c5 39. dxc5 Kd7 40. Kd5 a6 41. b5 axb5 42. axb5 Kc7 43. e6 Kb7 44. e7 Kc7 45. e8=Q Kb7 46. Qc6+ Ka7 47. b6+ Kb8 48. b7 Ka7 49. Qb6+ Kb8 50. Qd8+ Kxb7 51. c6+ Ka6 52. c7 Kb5 53. c8=Q Kb4 54. Qcc7 Ka3 55. Qdb8 Ka4 56. Qca7# |
| ECO B01 in 2007 play it! semyon defeats black's guacheria in 71 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 f5 5. Nf3 g6 6. d4 Nc6 7. d5 Qd6 8. dxc6 Qxd1+ 9. Nxd1 e6 10. Bf4 Bd6 11. Bxd6 cxd6 12. Ne3 bxc6 13. Rd1 d5 14. c4 Rb8 15. b3 Nf6 16. Ne5 Rb6 17. O-O a5 18. Rc1 Bb7 19. cxd5 cxd5 20. f3 a4 21. bxa4 Rb2 22. Rb1 Rxe2 23. Rxb7 Kf8 24. Rb8+ Ne8 25. Rb3 d4 26. N3c4 Rxa2 27. a5 Kg7 28. Ra3 Re2 29. a6 Nf6 30. a7 Ra8 31. Rb1 Nd5 32. Rb8 Re1+ 33. Kf2 Re3 34. Rxa8 Rxa3 35. Nxa3 Nc7 36. Rb8 |
| ECO B01 in 2007 play it! semyon defeats black's littlewolf by checkmate in 65 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 e5 5. d4 exd4 6. Qxd4 Be6 7. Bf4 Qxd4 8. Nxd4 Na6 9. Nxe6 fxe6 10. Bc4 e5 11. Bxe5 Bb4 12. Bxg7 Nc5 13. a3 Bxc3+ 14. bxc3 Ne7 15. Bxh8 O-O-O 16. Bd4 Ne4 17. Bd3 Ng5 18. Bf6 h6 19. Bxe7 Rd5 20. Bxg5 Re5+ 21. Be3 h5 22. Rb1 c5 23. O-O a6 24. f4 Rxe3 25. f5 b5 26. f6 Re7 27. fxe7 Kd7 28. Rbe1 c4 29. e8=Q+ Kc7 30. Rf7+ Kb6 31. Qe6+ Ka5 32. Rb7 Ka4 33. Qxa6# |
| ECO B06 in 2007 play it! semyon defeats black's jakester by checkmate in 61 moves | 1. e4 g6 2. d4 Nf6 3. e5 Nd5 4. c4 Nb6 5. Nc3 d6 6. c5 N6d7 7. cxd6 cxd6 8. exd6 exd6 9. Nf3 Nf6 10. Bg5 Bg7 11. Bc4 O-O 12. O-O Be6 13. Bd5 h6 14. Bxf6 Bxf6 15. Bxb7 Nd7 16. Bxa8 Qxa8 17. Qd2 g5 18. d5 Bf5 19. Rfe1 Nc5 20. Nd4 Qc8 21. Rac1 Qd7 22. Nxf5 Qxf5 23. Qc2 Qg4 24. Nb5 Rc8 25. Nxd6 Rf8 26. Qxc5 Be7 27. Qc7 Qd4 28. Qxe7 Qxd5 29. Qe5 Qa8 30. Nf5 a5 31. Qg7# |
| ECO B02 in 2007 play it! semyon defeats black's klop by checkmate in 43 moves | 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Bf5 6. Nc3 Nc6 7. Be3 Nb4 8. Rc1 e6 9. Nf3 dxe5 10. fxe5 Be7 11. Be2 O-O 12. O-O Bg4 13. h3 Bxf3 14. Rxf3 c6 15. a3 Na6 16. Rg3 f5 17. Bh6 Rf7 18. Bh5 g6 19. Bxg6 hxg6 20. Rxg6+ Kh7 21. Qh5 Qxd4+ 22. Be3# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria in 75 moves | 1. e4 Nc6 2. d4 e5 3. d5 Nd4 4. Nf3 Qf6 5. Be3 Qg6 6. Bxd4 Qxe4+ 7. Qe2 Qxe2+ 8. Bxe2 exd4 9. Nxd4 Nf6 10. c4 Bd6 11. O-O Be5 12. Rd1 c5 13. Nc3 Bxd4 14. Nb5 O-O 15. Nxd4 cxd4 16. Rxd4 Re8 17. Bd3 d6 18. Kf1 Bg4 19. Re1 Rxe1+ 20. Kxe1 Re8+ 21. Kd2 g6 22. f3 Bf5 23. Bxf5 gxf5 24. Rf4 Re5 25. g4 fxg4 26. Rxf6 Rg5 27. fxg4 Rxg4 28. Rxd6 Rg2+ 29. Kc3 Rxh2 30. Rd7 Rh3+ 31. Kb4 Rh2 32. b3 Rxa2 33. Rxb7 a5+ 34. Kc3 Ra1 35. d6 Rc1+ 36. Kd4 Rd1+ 37. Kc5 Kf8 38. d7 |
| ECO B00 in 2007 play it! semyon defeats black's guacheria in 99 moves | 1. e4 Nc6 2. d4 e5 3. d5 Nd4 4. Nf3 Bc5 5. Be3 Qe7 6. Nxd4 Qh4 7. Nf5 Bxe3 8. Nxe3 Qxe4 9. Bd3 Qb4+ 10. Nc3 Qxb2 11. Nb5 Qb4+ 12. Qd2 Qc5 13. O-O Nf6 14. Qc3 d6 15. Qxc5 dxc5 16. Nxc7+ Kd8 17. Nxa8 Bd7 18. Rab1 b6 19. Bf5 Ke7 20. Bxd7 Kxd7 21. f4 exf4 22. Rxf4 Rxa8 23. Nf5 Nxd5 24. Rf3 g6 25. Ne3 Nc3 26. Rb3 Ne2+ 27. Kf2 Nd4 28. Rd3 f5 29. c3 Kc6 30. cxd4 Rd8 31. Rd1 Rxd4 32. Rxd4 cxd4 33. Nc2 Kc5 34. Nxd4 Kxd4 35. Rh3 h5 36. Rg3 a5 37. Rxg6 b5 38. Rg5 b4 39. Rxf5 a4 40. Rxh5 Kc3 41. g4 b3 42. axb3 axb3 43. Rb5 Kc4 44. Rxb3 Kxb3 45. g5 Kc4 46. g6 Kd5 47. g7 Ke6 48. g8=Q+ Kf5 49. Qg7 Kf4 50. Qg6 |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 55 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Bb5 a6 7. Bxc6+ bxc6 8. f3 c5 9. Be3 Bf5 10. c3 Qd5 11. dxc5 Qxe5 12. Qa4+ Bd7 13. Qxe4 Qxe4 14. fxe4 O-O-O 15. b4 Bb5 16. a4 Rd3 17. axb5 Rxe3+ 18. Kf2 Rxc3 19. bxa6 Rb3 20. a7 Rxb4 21. a8=Q+ Rb8 22. Qc6 Rb2+ 23. Kf1 e6 24. Ra8+ Rb8 25. Qe8+ Kb7 26. Rxb8+ Ka7 27. Qb5 Bxc5 28. Qb7# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 29 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qxd4 5. Qxd4 Nxd4 6. Bd3 Bf5 7. Ne2 Nxe2 8. Kxe2 O-O-O 9. Rd1 Bg6 10. Be3 f5 11. Nc3 e6 12. a4 Bh5+ 13. f3 e5 14. Bxf5+ Kb8 15. Rxd8# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 81 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Bb5 Bd7 5. d5 Ne5 6. Bxd7+ Qxd7 7. Nxe4 Ng4 8. h3 N4f6 9. Nxf6+ Nxf6 10. c4 Qa4 11. Qxa4+ Nd7 12. Nf3 O-O-O 13. Qxa7 Nb8 14. Bf4 e6 15. Nd4 Bd6 16. Bxd6 Rxd6 17. O-O Rb6 18. b3 Kd7 19. Rfe1 exd5 20. cxd5 Rd6 21. Qxb7 Re8 22. Rxe8 Kxe8 23. Nc6 Nxc6 24. Qxc6+ Kd8 25. Qxd6+ cxd6 26. b4 Kd7 27. Rc1 f5 28. b5 g5 29. b6 Ke7 30. b7 Kf6 31. b8=Q Ke5 32. Re1+ Kxd5 33. Qb4 Kc6 34. Rc1+ Kd7 35. Qb7+ Ke6 36. Re1+ Kf6 37. Qe7+ Kg6 38. Re6+ Kh5 39. Qf7+ Kh4 40. g3+ Kxh3 41. Qh5# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 77 moves | 1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. c4 d6 5. Be3 c5 6. Nc3 f5 7. Bd3 f4 8. Bd2 Qd7 9. Bc2 a6 10. Ba4 b5 11. cxb5 axb5 12. Bxb5 Nc6 13. Bxc6 Qxc6 14. dxc6 Ra6 15. c7 Bd7 16. a4 Ra7 17. Nb5 Bxb5 18. c8=Q+ Ke7 19. axb5 Rxa1 20. Qxa1 Kf7 21. Qa7+ Be7 22. Qcd7 h5 23. Qf5+ Nf6 24. Nf3 g6 25. Ng5+ Kf8 26. Qb8+ Kg7 27. Ne6+ Kh6 28. Bxf4+ Kh7 29. Qxh5+ gxh5 30. Ng5+ Kg7 31. Qc7 Ng8 32. b6 exf4 33. b7 Nh6 34. Qxe7+ Kg6 35. Ne6 Rh7 36. Qg5+ Kf7 37. b8=Q Kxe6 38. Qe8+ Re7 39. Qexe7# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 91 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nxd4 5. c3 Bf5 6. Qxd4 e6 7. Ng3 b6 8. Nxf5 exf5 9. Qxd8+ Rxd8 10. Bc4 Bc5 11. Nf3 f6 12. O-O Ne7 13. Be3 Nd5 14. Bxc5 bxc5 15. Rfe1+ Ne7 16. Bb5+ c6 17. Bc4 g5 18. Rad1 Rxd1 19. Rxd1 Ng6 20. Be6 g4 21. Ne1 Nh4 22. g3 Nf3+ 23. Nxf3 gxf3 24. Bxf5 Kf7 25. Rd7+ Kg8 26. Be6+ Kf8 27. Rf7+ Ke8 28. Rxa7 h5 29. Ra8+ Ke7 30. Rxh8 Kxe6 31. Rxh5 f5 32. Rh6+ Kd5 33. h4 c4 34. Rxc6 Kxc6 35. h5 Kd5 36. h6 Ke4 37. h7 Kd3 38. h8=Q Kc2 39. Qd4 Kxb2 40. Qd2+ Ka3 41. Kf1 Ka4 42. Qb2 Ka5 43. Qb4+ Ka6 44. a4 Ka7 45. a5 Ka6 46. Qb6# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 133 moves | 1. e4 Nc6 2. d4 d5 3. e5 f6 4. Nf3 fxe5 5. Nxe5 Nxe5 6. dxe5 e6 7. Be3 b6 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. O-O g6 11. Nc3 h5 12. Qd3 Bg7 13. Qxg6+ Qf7 14. Qxf7+ Kxf7 15. Nb5 Rc8 16. Nxa7 Ra8 17. Nb5 Bxe5 18. Bd4 Bxd4 19. Nxd4 Ra4 20. c3 Rc4 21. Rfe1 Rh6 22. Re3 h4 23. Rae1 h3 24. Rxh3 Rxh3 25. gxh3 Nf6 26. Rxe6 Ne4 27. Rc6 Nd6 28. Rxc4 dxc4 29. Kg2 Kf6 30. Kg3 Ne4+ 31. Kf3 Nd2+ 32. Ke2 Ne4 33. f3 Ng5 34. h4 Nh3 35. Ke3 c5 36. Ne2 b5 37. Nf4 Nxf4 38. Kxf4 b4 39. cxb4 cxb4 40. Ke4 Ke6 41. h5 c3 42. bxc3 bxc3 43. Kd3 c2 44. Kxc2 Kf6 45. a4 Kg5 46. a5 Kxh5 47. a6 Kg5 48. h4+ Kxh4 49. f4 Kg4 50. a7 Kxf4 51. a8=Q Ke5 52. Qd8 Ke6 53. Qc7 Kd5 54. Qf4 Ke6 55. Qg5 Kf7 56. Qh6 Ke7 57. Qg6 Kd7 58. Qf6 Kc7 59. Qe6 Kd8 60. Qf7 Kc8 61. Qe7 Kb8 62. Qd7 Ka8 63. Kc3 Kb8 64. Kc4 Ka8 65. Kb5 Kb8 66. Kb6 Ka8 67. Qb7# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 135 moves | 1. e4 Nc6 2. d4 d5 3. e5 f6 4. Nf3 Bg4 5. Bf4 g5 6. Bg3 h5 7. h3 Bxf3 8. gxf3 h4 9. Bh2 Nh6 10. Bb5 Qd7 11. Qe2 Nf5 12. e6 Qd6 13. Bxd6 Nxd4 14. Bxc6+ bxc6 15. Qd3 Nxe6 16. Bxc7 Nxc7 17. Qg6+ Kd7 18. Qf5+ Ne6 19. Kd2 Rb8 20. b3 Rb4 21. Nc3 Rf4 22. Qd3 Nc5 23. Qe2 d4 24. Ne4 Ne6 25. Rhg1 Bh6 26. Kd1 Rb8 27. Rg4 Rb5 28. Rxf4 Nxf4 29. Qd2 e5 30. Nxf6+ Ke6 31. Ng4 Bf8 32. a4 Rc5 33. b4 Rc3 34. Nh2 Bxb4 35. Qc1 Nd3 36. cxd3 Rxc1+ 37. Rxc1 Bc3 38. Rxc3 dxc3 39. Kc2 Kd5 40. Kxc3 a5 41. Ng4 c5 42. Nf6+ Ke6 43. Ne8 Kf5 44. Kc4 Ke6 45. Kxc5 Ke7 46. Kd5 Kxe8 47. Kxe5 Kd7 48. Kf5 Kc6 49. d4 Kd5 50. Kxg5 Kxd4 51. f4 Kc4 52. f5 Kd5 53. Kf6 Kc4 54. Kg7 Kd5 55. f6 Ke6 56. f7 Kd6 57. f8=Q+ Kc6 58. Qf5 Kb6 59. Qd5 Ka6 60. Qc5 Kb7 61. Qd6 Ka7 62. Qc6 Kb8 63. Qd7 Ka8 64. Kf7 Kb8 65. Ke7 Ka8 66. Kd6 Kb8 67. Kc6 Ka8 68. Qb7# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 51 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nxd4 5. c3 Nf5 6. Qxd8+ Kxd8 7. Bd3 Nf6 8. Ng5 Nd6 9. Bf4 Ke8 10. N1f3 h6 11. Bxd6 exd6 12. Ne4 Bf5 13. Nxf6+ gxf6 14. Bxf5 Rg8 15. O-O Be7 16. Rfe1 c5 17. Rad1 b5 18. Rxd6 a5 19. Rd7 a4 20. Rexe7+ Kf8 21. Rxf7+ Ke8 22. Rde7+ Kd8 23. Nh4 Rg5 24. Be4 Rc8 25. Nf5 Rg4 26. Rf8# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 79 moves | 1. e4 Nc6 2. Nf3 e5 3. Bb5 Nd4 4. Nxd4 exd4 5. c3 Bc5 6. O-O c6 7. Bc4 b5 8. Bb3 Nf6 9. Qf3 O-O 10. e5 Ne8 11. d3 dxc3 12. Nxc3 d6 13. Qxc6 Nc7 14. Nd5 Rb8 15. Qxc7 Qxc7 16. Nxc7 dxe5 17. Be3 Bb6 18. Nd5 Re8 19. Nxb6 axb6 20. Rac1 Bf5 21. Rfd1 Red8 22. d4 e4 23. d5 Re8 24. Rc6 Bd7 25. Rxb6 Rxb6 26. Bxb6 Rb8 27. Bc7 Rc8 28. d6 Re8 29. Bb6 Re5 30. Rc1 Rg5 31. Rc7 Bh3 32. d7 Bxd7 33. Rxd7 g6 34. Rxf7 Rf5 35. Rxf5+ Kg7 36. Bd4+ Kh6 37. Be3+ Kg7 38. Rf7+ Kg8 39. Bh6 g5 40. Rf8# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 103 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qxd4 5. Qxd4 Nxd4 6. Bd3 Bf5 7. Ne2 Nxe2 8. Kxe2 O-O-O 9. Be3 b6 10. a4 e6 11. a5 Bc5 12. Bxc5 bxc5 13. Nxc5 Bxd3+ 14. Nxd3 Rd5 15. Rhd1 Nf6 16. Nb4 Re5+ 17. Kf1 Ng4 18. Kg1 Re2 19. f3 Ne3 20. Re1 Nxc2 21. Nxc2 Rxc2 22. b4 Rb2 23. Reb1 Rd2 24. b5 Rhd8 25. b6 cxb6 26. axb6 axb6 27. Rxb6 Kc7 28. Rb4 R8d5 29. Ra7+ Kc6 30. Rxf7 Rg5 31. Rbb7 Rgxg2+ 32. Kf1 Rdf2+ 33. Ke1 Kd5 34. Rxg7 Rxh2 35. Rxh7 Ke5 36. Rb5+ Kd4 37. Rxh2 Rxh2 38. f4 Ke4 39. Rb4+ Kf5 40. Rb6 Rh4 41. Rb5+ Kxf4 42. Rb4+ Kg3 43. Rb3+ Kg2 44. Rb2+ Kg1 45. Re2 Rh6 46. Kd2 Kf1 47. Ke3 e5 48. Kf3 Re6 49. Rd2 Ke1 50. Ke3 Rf6 51. Rb2 Rf4 52. Rb1# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria in 103 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nxd4 5. c3 Bf5 6. Qxd4 Qxd4 7. cxd4 Bxe4 8. Nf3 O-O-O 9. Ne5 Nh6 10. Bxh6 Rxd4 11. Nxf7 Rg8 12. Be3 Rd5 13. Bc4 Bxg2 14. Bxd5 Bxd5 15. Ne5 Bxh1 16. O-O-O Bc6 17. Nf7 Bd7 18. Ne5 Be6 19. b3 g5 20. Rg1 Bh6 21. h4 Bg7 22. Rxg5 Bh6 23. Rxg8+ Bxg8 24. Bxh6 Bd5 25. f4 e6 26. Kd2 b5 27. Ng4 c5 28. Nf6 c4 29. bxc4 Bxc4 30. Nxh7 a5 31. Nf6 Bxa2 32. h5 b4 33. Kc2 a4 34. Bg7 a3 35. Ne4 b3+ 36. Kc1 b2+ 37. Bxb2 axb2+ 38. Kxb2 Bd5 39. Ng5 Kd7 40. h6 Ke7 41. h7 Kf6 42. h8=Q+ Kf5 43. Nxe6 Bxe6 44. Qf8+ Ke4 45. Qe8 Kf5 46. Qb5+ Kxf4 47. Qc6 Bg4 48. Qc4+ Kg3 49. Qd3+ Bf3 50. Kc3 Kf2 51. Qd2+ Be2 52. Qf4+ |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 41 moves | 1. e4 Nc6 2. d4 d5 3. Nc3 a6 4. exd5 Nb8 5. Bf4 Nf6 6. Nf3 Nxd5 7. Nxd5 Qxd5 8. c4 Qe4+ 9. Be3 e6 10. Bd3 Bb4+ 11. Ke2 Qg4 12. Qa4+ Nc6 13. d5 b5 14. cxb5 Ne7 15. bxa6+ Bd7 16. Qb3 c5 17. a3 Ba5 18. Qb7 Rc8 19. a7 exd5 20. Bxc5 Bc6 21. Qxe7# |
| ECO B00 in 2007 play it! semyon defeats black's guacheria by checkmate in 67 moves | 1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 e6 6. Bb5 Bb4 7. Bxc6+ bxc6 8. Bd2 Nf6 9. a3 Bxc3 10. Bxc3 Qd5 11. O-O Ne4 12. Qd3 O-O 13. Bb4 c5 14. dxc5 Nxc5 15. Qxd5 exd5 16. Bxc5 Rd8 17. Rad1 Bb7 18. Rd4 Ba6 19. Rfd1 Be2 20. R1d2 Bxf3 21. gxf3 Re8 22. Kf1 c6 23. c4 dxc4 24. Rxc4 Re6 25. Rcd4 g6 26. Rd7 a5 27. f4 Rae8 28. Rc7 Re1+ 29. Kg2 R8e4 30. Rdd7 Rxf4 31. Bd4 Rg4+ 32. Kf3 h5 33. Rd8+ Kh7 34. Rh8# |