| ECO B50 in 2003 play it! yudasin leonid defeats black's wojtkiewicz alek in 75 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. Re1 O-O 7. Bf1 Nc6 8. Na3 e5 9. d3 h6 10. Nc4 Re8 11. a4 Rb8 12. Bd2 d5 13. exd5 Nxd5 14. a5 b5 15. axb6 axb6 16. g3 b5 17. Ne3 Be6 18. Nxd5 Bxd5 19. Be3 Qd6 20. Nd2 Red8 21. Ne4 Bxe4 22. dxe4 Qxd1 23. Rexd1 Rxd1 24. Rxd1 c4 25. Bh3 b4 26. Bf1 Nd4 27. cxd4 exd4 28. Bf4 Rc8 29. b3 c3 30. g4 Ra8 31. e5 g5 32. Bg3 Ra3 33. Rxd4 Rxb3 34. Rd8+ Bf8 35. e6 fxe6 36. Bd6 Rb1 37. Rxf8+ Kg7 38. Rc8 |
| ECO B50 in 2002 play it! yudasin leonid defeats black's shahade gregory in 61 moves | 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. O-O Nc6 5. Bb3 Na5 6. Ba4+ Bd7 7. c3 Bxa4 8. Qxa4+ Nc6 9. d4 cxd4 10. cxd4 d5 11. exd5 Qxd5 12. Nc3 Qd7 13. d5 exd5 14. Rd1 Nge7 15. Bf4 f6 16. Rd2 g5 17. Be3 Bg7 18. Rad1 O-O 19. Nxd5 Nxd5 20. Rxd5 Qe6 21. Rd6 Qf5 22. Qb3+ Rf7 23. Rd7 Rf8 24. Rxb7 a6 25. Rb6 Ne7 26. Rxa6 Ng6 27. Nd4 Qg4 28. h3 Qe4 29. Ra7 h6 30. f3 Qe8 31. Nf5 |
| ECO B53 in 1993 play it! yudasin leonid defeats black's ehlvest jaan in 83 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be3 Nf6 6. Nc3 Nbd7 7. Bc4 e6 8. O-O Qc7 9. a3 Be7 10. Ba2 O-O 11. Rfe1 b5 12. Rad1 Bb7 13. Bg5 Rfd8 14. Bh4 Rac8 15. h3 Nc5 16. Nd2 Bc6 17. b4 Ncd7 18. Ncb1 Qb6 19. Nb3 Ba8 20. Re2 Qb8 21. Na5 Ne5 22. Bg3 Nh5 23. Bh2 Bg5 24. Bb3 Bf4 25. Bxf4 Nxf4 26. Re3 d5 27. exd5 Neg6 28. Nc3 Nh4 29. d6 Nfxg2 30. Red3 Rd7 31. Ne4 Rcd8 32. Rg3 Nf5 33. Nf6+ Kh8 34. Nxd7 Rxd7 35. Qc5 Nf4 36. Rg4 Nxh3+ 37. Kh2 h5 38. Rh4 Nxh4 39. Qxh5+ Kg8 40. Qxh4 Rxd6 41. Qg3 Nf4 42. Qxf4 |
| ECO B36 in 1993 play it! yudasin leonid defeats black's antunes a in 65 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a6 11. O-O Qa5 12. a3 Be6 13. b4 Qd8 14. Rab1 b5 15. cxb5 axb5 16. Bxb5 Rxa3 17. Bd4 Qa8 18. Bd3 Rc8 19. Rfc1 Nd7 20. Bxg7 Kxg7 21. Bf1 Kg8 22. Qd4 Ne5 23. b5 Qa5 24. Nd5 Rxc1 25. Rxc1 Bxd5 26. exd5 Ra4 27. Qe3 Ra1 28. Rxa1 Qxa1 29. h3 Kf8 30. Qb6 Qa8 31. Qc7 Qxd5 32. b6 Qc6 33. f4 |
| ECO B31 in 2000 play it! yudasin leonid defeats black's genocchio daniel by checkmate in 83 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 c4 7. e5 f6 8. Qe2 Ba6 9. Na3 fxe5 10. Nxe5 Nf6 11. h3 O-O 12. Nexc4 Re8 13. d3 e5 14. Qd2 Qb8 15. Qa5 Bxc4 16. Nxc4 d5 17. Nd2 g5 18. Qa4 Qd6 19. Nf1 g4 20. hxg4 e4 21. dxe4 Nxg4 22. e5 Nxe5 23. Bf4 Qc5 24. Bxe5 Rxe5 25. Rxe5 Bxe5 26. Qg4+ Kh8 27. c3 d4 28. Rc1 Rg8 29. Qe4 Re8 30. g3 Rf8 31. Rc2 dxc3 32. bxc3 Qd5 33. Qe2 Qb5 34. Qe3 Bc7 35. Qxa7 Bxg3 36. Qe7 Bd6 37. Qxd6 Rg8+ 38. Ng3 Rxg3+ 39. fxg3 Qb1+ 40. Kg2 Qxc2+ 41. Kh3 Qxc3 42. Qf8# |
| ECO B96 in 1992 play it! yudasin leonid defeats black's polgar sofia hun in 97 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6 gxf6 9. Qd2 Nc6 10. O-O-O Bd7 11. Nb3 b5 12. Kb1 h5 13. f5 Ne5 14. fxe6 fxe6 15. Nd4 b4 16. Nce2 Bh6 17. Nf4 Bxf4 18. Qxf4 Ke7 19. Be2 Ng6 20. Qg3 h4 21. Qf2 Qc5 22. Rhf1 Rhf8 23. Rd2 a5 24. Rfd1 Rfc8 25. Qe3 Kf7 26. Rf1 Kg7 27. Bg4 Re8 28. Rdf2 Qe5 29. Nf3 Qc5 30. Qd2 Bb5 31. Rd1 a4 32. Nd4 Bd7 33. Rdf1 Qe5 34. Rxf6 Qxf6 35. Rxf6 Kxf6 36. Qxb4 Ne5 37. Qxd6 Rad8 38. Nf3 Ng6 39. e5+ Kg7 40. Qc7 Kh6 41. Kc1 Bb5 42. Qb6 Bc4 43. Qe3+ Kg7 44. Bh5 Rc8 45. Bxg6 Kxg6 46. Qg5+ Kf7 47. Qf6+ Kg8 48. Ng5 Bd3 49. c3 |
| ECO B90 in 1984 play it! yudasin leonid defeats black's tunik gennady in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. g4 Nc6 10. O-O-O Be7 11. a3 Rc8 12. g5 Nd7 13. f4 Nxd4 14. Bxd4 e5 15. Be3 exf4 16. Bxf4 Ne5 17. h4 O-O 18. Kb1 Re8 19. Rh3 Bf8 20. h5 Rc5 21. Nd5 Nc4 22. Qg2 Bxd5 23. exd5 Ne5 24. Be3 Rc8 25. Bd4 Qd7 26. g6 fxg6 27. hxg6 h6 28. Rg3 Qf5 29. Qh2 Kh8 30. Bh3 Qh5 31. Rf1 Rcd8 32. Qg2 Qh4 33. c3 a5 34. Be6 Rxe6 35. dxe6 b4 36. Bxe5 dxe5 37. Rd3 bxa3 38. Rxd8 Qxd8 39. Qd5 Qe8 40. Rxf8+ Qxf8 41. e7 |
| ECO B60 in 1993 play it! yudasin leonid defeats black's greenfeld alon in 83 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 a6 7. Qd2 e6 8. O-O-O h6 9. Be3 Bd7 10. f4 b5 11. Bd3 Qc7 12. Bxb5 axb5 13. Ndxb5 Qb8 14. Nxd6+ Bxd6 15. Qxd6 Qxd6 16. Rxd6 Na5 17. b3 Bc6 18. Rd4 Ng4 19. Bd2 e5 20. fxe5 Bb7 21. Bf4 Nc6 22. Rd5 f6 23. exf6 O-O 24. Bg3 Nxf6 25. Rb5 Nd8 26. Re1 Re8 27. Rb4 Ra6 28. Rd1 Bc8 29. a4 Rae6 30. Nd5 Nc6 31. Rb6 Nd7 32. Rb5 Rxe4 33. Nc7 Rf8 34. Rbd5 Nf6 35. Rd6 Nb4 36. Rd8 Bf5 37. Rxf8+ Kxf8 38. Nb5 Kg8 39. Nd6 Re2 40. Nxf5 Rxc2+ 41. Kb1 Ne4 42. Be1 |
| ECO B30 in 2001 play it! yudasin leonid defeats black's bonin jay r in 95 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 d6 6. O-O e5 7. c3 Ne7 8. d4 cxd4 9. cxd4 Ng6 10. dxe5 dxe5 11. Qc2 Qc7 12. Be3 Bd6 13. Rc1 Bd7 14. Nc3 O-O 15. Qd3 Rfd8 16. Nb5 cxb5 17. Rxc7 Bxc7 18. Rc1 Be8 19. Qb3 Bd6 20. g3 h6 21. h4 Ne7 22. Bc5 Nc6 23. Bxd6 Rxd6 24. Kg2 a6 25. Rd1 Rxd1 26. Qxd1 Rd8 27. Qb3 b4 28. g4 a5 29. Qc4 Kh7 30. Qc5 f6 31. g5 Kg8 32. gxf6 gxf6 33. h5 Rd7 34. Qc4+ Kh7 35. Ng5+ fxg5 36. Qxc6 Re7 37. Qf6 Rg7 38. Qf5+ Kg8 39. Qxe5 Bxh5 40. Qxa5 Rf7 41. Qxb4 Bf3+ 42. Kg3 h5 43. Qb5 h4+ 44. Kh3 Rg7 45. a4 g4+ 46. Kxh4 g3 47. Qe8+ Kh7 48. fxg3 |
| ECO B29 in 1997 play it! yudasin leonid defeats black's delaune richard in 87 moves | 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Ne4 f5 6. Nc3 Nxc3 7. dxc3 Nc6 8. Bb5 Qb6 9. Qe2 a6 10. Bd3 Be7 11. Rg1 h5 12. h4 Qc7 13. a4 b6 14. Bf4 Na5 15. Qe3 c4 16. Be2 Bb7 17. Nd2 g6 18. Bg5 Bxg5 19. Qxg5 Qxe5 20. Qxg6+ Ke7 21. Qg5+ Qf6 22. Qe3 e5 23. f4 e4 24. Nxc4 Nxc4 25. Bxc4 Qxh4+ 26. g3 Qf6 27. O-O-O Rac8 28. Bd5 Bxd5 29. Rxd5 Rc6 30. Rgd1 Rd8 31. Qe2 Qg6 32. Qxa6 Qxg3 33. Rxf5 Qe3+ 34. Kb1 h4 35. Qb7 Re6 36. Rfd5 Qxf4 37. Rxd7+ Rxd7 38. Rxd7+ Kf8 39. Rh7 Qf6 40. Qb8+ Re8 41. Qh2 e3 42. Rxh4 Qf1+ 43. Ka2 Qc4+ 44. b3 |
| ECO B40 in 1983 play it! yudasin leonid defeats black's adamski j in 81 moves | 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 d4 5. cxd4 cxd4 6. Bb5+ Bd7 7. Nxd4 Bxb5 8. Nxb5 Nc6 9. O-O a6 10. N5c3 Qd4 11. Re1 Nge7 12. Re4 Qd3 13. Re3 Qd7 14. b3 Ng6 15. Ba3 Bxa3 16. Nxa3 O-O 17. Nc4 Rad8 18. a4 Qc7 19. Qh5 Na5 20. Ne4 h6 21. Ncd6 Nc6 22. Rc1 Qe7 23. Rxc6 bxc6 24. d4 Rb8 25. g3 Rfd8 26. Rf3 Rf8 27. h4 Rb4 28. Rd3 Qa7 29. Qg4 Kh8 30. Qd1 Ne7 31. g4 f5 32. exf6 gxf6 33. Qd2 Nd5 34. Nc5 Qh7 35. Nxe6 Rg8 36. Rg3 Qb1+ 37. Kh2 Kh7 38. Nf5 Rg6 39. Nf8+ Kg8 40. Nxg6 Qf1 41. Rg1 |
| ECO B42 in 1991 play it! yudasin leonid defeats black's nikolaev s in 57 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Nf6 9. Nc3 d6 10. Bxa7 Rxa7 11. f4 e5 12. f5 b5 13. O-O-O O-O 14. g4 Nd4 15. Qg2 b4 16. Ne2 Nxe2+ 17. Bxe2 a5 18. Nd2 Ba6 19. g5 Nd7 20. Bxa6 Rxa6 21. Nc4 a4 22. Kb1 Qc7 23. Ne3 b3 24. cxb3 axb3 25. a3 Nc5 26. Nd5 Qb7 27. Rhe1 Ra4 28. Nf6+ Kh8 29. Nxh7 |
| ECO B93 in 1984 play it! yudasin leonid defeats black's lukin andrey in 73 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. O-O O-O 10. a4 exf4 11. Kh1 Nc5 12. Bxf4 Be6 13. Nd4 Qb6 14. Qd2 Nxd3 15. Qxd3 Rac8 16. b3 Qc5 17. Nce2 d5 18. e5 Ne4 19. Nxe6 fxe6 20. Nd4 Rfe8 21. Rad1 Bg5 22. g3 Qe7 23. Qe3 h6 24. c4 Rf8 25. Rde1 Kh8 26. Kg1 Bxf4 27. gxf4 g5 28. Qh3 gxf4 29. Nxe6 Rg8+ 30. Kh1 Qh7 31. Rxf4 Ng5 32. Nxg5 hxg5 33. Qxh7+ Kxh7 34. Rf7+ Kg6 35. Rf6+ Kg7 36. cxd5 Rc2 37. Rg1 |
| ECO B50 in 2003 play it! yudasin leonid defeats black's west james r in 71 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. h3 Bxf3 7. Qxf3 g6 8. O-O Bg7 9. Qe2 O-O 10. Na3 a6 11. Nc4 Nxe4 12. Bxe4 d5 13. Bxd5 Qxd5 14. Nb6 Qd6 15. Nxa8 Rxa8 16. d3 Rd8 17. Rd1 b5 18. Be3 e5 19. a4 b4 20. Rac1 b3 21. d4 exd4 22. Qxa6 Qc7 23. cxd4 Nxd4 24. Qc4 Qb8 25. Rd2 Ne6 26. Rxd8+ Nxd8 27. Bxc5 Bxb2 28. Rb1 Bf6 29. Qxb3 Qe5 30. Qe3 Ne6 31. Qxe5 Bxe5 32. Be3 f5 33. a5 f4 34. Bb6 Nc7 35. Bxc7 Bxc7 36. a6 |
| ECO B96 in 1986 play it! yudasin leonid defeats black's rashkovsky nukhi in 93 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. Bxf6 gxf6 10. e5 Bb7 11. Qh5 fxe5 12. Nxe6 Qb6 13. Nxf8 Qe3+ 14. Qe2 Qxf4 15. Nxh7 Rxh7 16. g3 Qf3 17. Qxf3 Bxf3 18. Bd3 Bxh1 19. Bxh7 Nd7 20. O-O-O Bb7 21. Bf5 Nc5 22. Rxd6 Ke7 23. Rb6 Bg2 24. Kd2 Ne6 25. Ke3 Nc7 26. h4 Bd5 27. Be4 Bxe4 28. Kxe4 Rd8 29. Rc6 Rd4+ 30. Ke3 Ne8 31. Rxa6 Nd6 32. a3 f5 33. b3 Rg4 34. Kf3 Rg8 35. Nd5+ Ke6 36. Ne3 Kd7 37. a4 Rc8 38. h5 Rh8 39. axb5 Nxb5 40. Nxf5 Rxh5 41. Ke4 Rh2 42. c4 Re2+ 43. Kd3 Rf2 44. g4 Nc7 45. Rf6 Ne6 46. Rf7+ Ke8 47. Ke3 |
| ECO B31 in 2003 play it! yudasin leonid defeats black's gershov yevgeniy in 99 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. h3 Bg7 6. d3 e5 7. Be3 b6 8. a4 a5 9. Na3 f6 10. Qd2 Be6 11. O-O Ne7 12. b3 g5 13. Nc4 Ng6 14. c3 h5 15. d4 g4 16. Nh2 gxh3 17. g3 cxd4 18. cxd4 exd4 19. Qxd4 Qxd4 20. Bxd4 Bxc4 21. bxc4 c5 22. Bc3 O-O 23. Rab1 Rfe8 24. Rfe1 Re6 25. f4 Rd6 26. Nf1 Re8 27. e5 fxe5 28. f5 Nf8 29. Ne3 Rd3 30. Ba1 Nd7 31. Kh2 Nf6 32. Kxh3 Bh6 33. Nf1 Nd7 34. Rbd1 Rxd1 35. Rxd1 Re7 36. Kh4 Bg7 37. Kxh5 Nf6+ 38. Kg6 Ne4 39. Rd8+ Bf8 40. f6 Re6 41. Kf5 Rxf6+ 42. Kxe4 Rxf1 43. Bxe5 Kf7 44. Rb8 Rc1 45. Rb7+ Kg8 46. Kd5 Rd1+ 47. Ke6 Re1 48. Rb8 Rc1 49. Bd6 Re1+ 50. Kd7 |
| ECO C40 in 2000 play it! yudasin leonid defeats black's sloan aravena pe in 63 moves | 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qf7 7. Be2 Nf6 8. Bg5 Nbd7 9. Nb5 Nd5 10. Ne3 N7f6 11. Bc4 c6 12. Bxf6 cxb5 13. Bxd5 Qxf6 14. Bxe4 Qf7 15. Bd5 Be6 16. Bxe6 Qxe6 17. Qh5+ g6 18. Qxb5+ Qd7 19. Qxd7+ Kxd7 20. Ke2 Bg7 21. Kd3 Rhf8 22. f3 Rf4 23. c3 Kc6 24. Rhe1 b5 25. Nc2 Kd7 26. a4 Rf5 27. Ne3 Rh5 28. axb5 Rxb5 29. b4 Bh6 30. Nc4 Bf4 31. g3 d5 32. Na3 |
| ECO C54 in 1992 play it! yudasin leonid defeats black's mikhalevski alex in 91 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. a4 a5 8. b5 Ne7 9. O-O Ng6 10. Nbd2 O-O 11. Ba3 c6 12. Ba2 Re8 13. Nc4 Bc7 14. Ne3 d5 15. Qb3 Nf4 16. Rad1 h6 17. Qc2 Be6 18. Rfe1 Nh7 19. bxc6 bxc6 20. g3 Nh3+ 21. Kg2 N7g5 22. Nh4 g6 23. f3 Qd7 24. Bc1 Rab8 25. Rf1 Kg7 26. exd5 cxd5 27. d4 e4 28. f4 f5 29. c4 Rb4 30. cxd5 Bf7 31. fxg5 hxg5 32. Nhxf5+ gxf5 33. Nxf5+ Kg6 34. Kxh3 Bf4 35. gxf4 Qxf5+ 36. Kg2 Rc8 37. Qe2 e3 38. Bxe3 Rc2 39. Rd2 Rxa2 40. Rxa2 Bxd5+ 41. Kg3 Rb3 42. Rb2 Rc3 43. h3 Bc4 44. Qe1 Bxf1 45. Qxc3 gxf4+ 46. Kh2 |
| ECO C55 in 1991 play it! yudasin leonid defeats black's martinovsky euge in 87 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. c3 d6 7. Bb3 h6 8. h3 Re8 9. Re1 Bf8 10. Nbd2 Ne7 11. d4 Ng6 12. Bc2 b6 13. Nf1 Bb7 14. Ng3 c5 15. d5 Nf4 16. Nh2 Bc8 17. Qf3 g5 18. Ng4 Nxg4 19. hxg4 a6 20. Nf5 Ra7 21. g3 Ng6 22. Qh1 Bxf5 23. gxf5 Nh8 24. f4 exf4 25. gxf4 f6 26. Bd1 Rg7 27. Kf2 Nf7 28. Bh5 Re7 29. Bd2 gxf4 30. Bxf7+ Rexf7 31. Bxf4 Qe8 32. Bxh6 Rh7 33. Qg2+ Bg7 34. Bf4 Qb5 35. Re2 Rd7 36. Qg3 Kh8 37. Rg1 Rh5 38. Bxd6 Rg5 39. Qh3+ Kg8 40. Rxg5 fxg5 41. Bh2 c4 42. Qh5 Qc5+ 43. Kf3 Qe7 44. Qg6 |
| ECO C89 in 1986 play it! yudasin leonid defeats black's van der sterren in 89 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7 10. d3 Na5 11. Bc2 c5 12. Nbd2 Nc6 13. Nf1 Re8 14. a4 h6 15. Ne3 Bf8 16. Nh2 d5 17. Qf3 d4 18. Nf5 c4 19. Rd1 Re6 20. Qe2 Rc8 21. axb5 axb5 22. Nf3 cxd3 23. Bxd3 Qb6 24. cxd4 Nxd4 25. N3xd4 exd4 26. e5 Rce8 27. f4 g6 28. Nh4 Nd5 29. Kh1 Be7 30. Nf3 Nb4 31. f5 gxf5 32. Bxf5 d3 33. Qf1 Bc5 34. Bd2 R6e7 35. Bxb4 Bxb4 36. Qxd3 Bxf3 37. Qxf3 Rxe5 38. Rf1 Kh8 39. Bd7 Rf8 40. Qf4 Qd6 41. Rad1 Qc5 42. Qxh6+ Kg8 43. Rf4 Bd2 44. Rg4+ Rg5 45. Rxd2 |
