| ECO B82 in 1983 play it! yudasin leonid defeats black's oll lembit in 59 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 Be7 7. Be3 O-O 8. Qf3 e5 9. Nf5 Bxf5 10. exf5 Qa5 11. O-O-O e4 12. Qh3 Rc8 13. Bd4 Nc6 14. Bc4 Nxd4 15. Rxd4 d5 16. Nxd5 Nxd5 17. Bxd5 Qc5 18. Qc3 Qxc3 19. bxc3 Rxc3 20. Bxb7 Rb8 21. Bxe4 Bc5 22. Rd7 Be3+ 23. Kd1 Bxf4 24. Bd5 Rc5 25. Bxf7+ Kf8 26. Bb3 Rxf5 27. Rf1 Ke8 28. Rd4 Be5 29. Re1 Rd8 30. c3 |
| ECO B44 in 1994 play it! yudasin leonid defeats black's spraggett kevin in 81 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. Na3 b6 11. Bf4 Bb7 12. Re1 Rc8 13. Rc1 Re8 14. Bf1 Ne5 15. Rc2 Qc7 16. Rd2 Rcd8 17. h3 h6 18. Bg3 Nh7 19. Qc2 Nf6 20. Be2 Qc6 21. f4 Ng6 22. Bf3 Nh5 23. e5 Qxf3 24. gxf3 Nxg3 25. exd6 Bxd6 26. Red1 Bc5+ 27. Kh2 Rxd2+ 28. Qxd2 Nf5 29. Qd7 Re7 30. Qd8+ Kh7 31. Ne4 Be3 32. Rd7 Ngh4 33. Nf6+ gxf6 34. Rxe7 Bxf4+ 35. Kg1 Be3+ 36. Kf1 Bxf3 37. Rxf7+ Kg6 38. Rxf6+ Kh5 39. Qe8+ Kg5 40. Rxf5+ Nxf5 41. Nc2 |
| ECO B50 in 2001 play it! yudasin leonid defeats black's lesiege alexandr in 37 moves | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Nc6 5. Bb3 g6 6. O-O Bg7 7. c3 O-O 8. Nbd2 d5 9. Re1 e6 10. h3 b5 11. exd5 exd5 12. Nf1 h6 13. Bf4 Nh5 14. Bh2 d4 15. c4 b4 16. N1d2 Re8 17. Rxe8+ Qxe8 18. Ne4 Bf5 19. Nfd2 |
| ECO B96 in 1983 play it! yudasin leonid defeats black's danov vladimir in 51 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Bd7 11. e5 dxe5 12. fxe5 Qxe5 13. Qxb7 Qf4+ 14. Kb1 Qxh4 15. Qxa8 O-O 16. g3 Qg5 17. Bg2 e5 18. Nf3 Qh5 19. h3 Bc6 20. Qa7 e4 21. Nd4 Bc5 22. Qc7 Ba8 23. g4 Qg5 24. Nf5 Bb4 25. Rd8 Nbd7 26. Rd1 |
| ECO B50 in 2001 play it! yudasin leonid defeats black's kelleher william in 49 moves | 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. O-O Nf6 5. d3 Be7 6. Bb3 Nc6 7. c3 d5 8. e5 Nd7 9. d4 Qb6 10. Re1 O-O 11. Bc2 cxd4 12. cxd4 f6 13. exf6 Nxf6 14. Nc3 Bd7 15. Rb1 Bd6 16. h3 Rae8 17. Be3 Re7 18. Ne5 Be8 19. a3 a6 20. f4 Qc7 21. Rc1 Bxe5 22. fxe5 Nh5 23. Qd2 Bg6 24. Bxg6 hxg6 25. Ne2 |
| ECO B93 in 1984 play it! yudasin leonid defeats black's shneider alexand in 71 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. a4 g6 8. Bd3 Bg7 9. Nf3 Nbd7 10. O-O O-O 11. Qe1 Nc5 12. Qh4 e6 13. Kh1 Bd7 14. Be3 Rae8 15. e5 Nd5 16. Nxd5 exd5 17. f5 Nxd3 18. f6 Bh8 19. cxd3 dxe5 20. Bh6 Bf5 21. Bxf8 Kxf8 22. Qh6+ Kg8 23. Ng5 Bxf6 24. Rxf5 gxf5 25. Qxf6 f4 26. Qf5 f6 27. Qxf6 Qg7 28. Qf5 h6 29. Nf3 Qf7 30. Qg4+ Kh7 31. Qh3 Kg7 32. d4 e4 33. Ne5 Qe6 34. Qh4 Qf6 35. Qg4+ Kh7 36. Qd7+ |
| ECO B44 in 1989 play it! yudasin leonid defeats black's kirov n in 80 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 b6 10. O-O O-O 11. Be3 Bb7 12. Qb3 Nd7 13. Rfd1 Ra7 14. Rac1 Ba8 15. f3 Qb8 16. Bf1 Rc8 17. Qc2 Rb7 18. Kh1 Nde5 19. Qf2 Nd7 20. Qg3 Bf8 21. Rc2 Rbc7 22. Rcd2 Nce5 23. f4 Ng6 24. Qh3 b5 25. cxb5 Rxc3 26. bxc3 Bxe4 27. bxa6 Nc5 28. Nb5 d5 29. a7 Qa8 30. c4 dxc4 31. Bxc4 Na4 32. Be2 Nc3 33. Nxc3 Rxc3 34. Rd8 Qxa7 35. Bxa7 Rxh3 36. Bd3 Rxd3 37. R8xd3 Nxf4 38. Rd8 f5 39. Bc5 Ng6 40. a4 Kf7 |
| ECO B20 in 2003 play it! yudasin leonid defeats black's milman lev in 69 moves | 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 Nc6 6. h3 Bf5 7. Nc3 Qd7 8. g4 Bg6 9. d3 e6 10. Be3 Nf6 11. Qd2 Nd5 12. O-O-O O-O-O 13. Kb1 Be7 14. Nxd5 exd5 15. Bf4 f6 16. Rhe1 d4 17. Nh4 Bf7 18. g5 h5 19. gxh6 g6 20. b3 Nb4 21. Bf3 f5 22. Bg5 Bxg5 23. Qxg5 Qd6 24. a3 Nc6 25. Bxc6 bxc6 26. Re7 Rd7 27. Rde1 c4 28. dxc4 d3 29. Rxd7 Kxd7 30. Rd1 Bxc4 31. bxc4 Rb8+ 32. Ka2 Qe5 33. Rxd3+ Kc7 34. Rb3 Rxb3 35. Kxb3 |
| ECO B20 in 2004 play it! yudasin leonid defeats black's charbonneau anne in 73 moves | 1. e4 c5 2. g3 e6 3. Bg2 Nc6 4. Ne2 d6 5. c3 Nf6 6. d4 cxd4 7. cxd4 Be7 8. Nbc3 a6 9. O-O O-O 10. h3 Rb8 11. Kh2 Qd7 12. Be3 b5 13. d5 Ne5 14. b3 Bb7 15. Rc1 Rbc8 16. Qd4 exd5 17. Nxd5 Nxd5 18. exd5 Bf6 19. Qd2 Rxc1 20. Rxc1 Rc8 21. Nd4 Rc7 22. Rxc7 Qxc7 23. Nc6 Qd7 24. Qc2 Bc8 25. Nd4 Ng6 26. Nc6 Ne5 27. a4 bxa4 28. bxa4 h6 29. a5 Bb7 30. Qe4 Ng6 31. Bd4 Bxd4 32. Qxd4 Bc8 33. Qb6 f6 34. Nb8 Qb7 35. Qxd6 Ne5 36. Nc6 Nf7 37. Qc5 |
| ECO B40 in 2003 play it! yudasin leonid defeats black's ayvazyan david in 58 moves | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. c3 Nge7 8. Na3 O-O 9. d4 cxd4 10. cxd4 f5 11. Re1 fxe4 12. Rxe4 d5 13. Re3 Nf5 14. Rd3 Bd7 15. Nc2 Rc8 16. b3 Qb6 17. Ba3 Rfe8 18. g4 Nfe7 19. h3 a5 20. Bc5 Qc7 21. Rc3 Qd8 22. Rc1 b6 23. Bd6 Na7 24. Rxc8 Nexc8 25. Be5 Bf8 26. Ne3 Nc6 27. Bg3 Bg7 28. Ne5 Nxe5 29. dxe5 Na7 |
| ECO B90 in 1984 play it! yudasin leonid defeats black's polovodin igor in 84 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Nbd7 9. O-O Be7 10. a4 O-O 11. Qd2 Rc8 12. a5 Qc7 13. Rfc1 Qc6 14. Bf3 h6 15. Ra4 Rfd8 16. Rb4 Qc7 17. Nd5 Bxd5 18. exd5 Re8 19. h3 Bf8 20. c4 e4 21. Be2 Nc5 22. Nxc5 dxc5 23. Rb6 Bd6 24. Bg4 Rcd8 25. Qd1 Qe7 26. g3 Qc7 27. Kg2 Be5 28. Rb1 Rd6 29. b4 cxb4 30. R6xb4 Bc3 31. Ra4 Bxa5 32. Bf4 b6 33. Qd4 e3 34. fxe3 Re4 35. Qd3 Rxf4 36. exf4 b5 37. Ra2 bxc4 38. Qa3 Rxd5 39. Bf3 Rd2+ 40. Rxd2 Bxd2 41. Rb7 Qd8 42. Qc5 Bc3 |
| ECO B90 in 1986 play it! yudasin leonid defeats black's neverov valeriy in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 Nbd7 9. Qe2 b4 10. Nd5 Bb7 11. Bxf6 Nxf6 12. Ba4+ Nd7 13. Nxb4 Qa5 14. Bxd7+ Kxd7 15. c3 Be7 16. O-O Rhc8 17. f4 Bf6 18. e5 Be7 19. Rad1 g6 20. exd6 Bxd6 21. Kh1 Kc7 22. a3 Qh5 23. Qc4+ Qc5 24. Qd3 Rd8 25. Rd2 Kb8 26. Qe3 Qc7 27. Rfd1 Rd7 28. Nd3 Ra7 29. Ne5 Bxe5 30. fxe5 Rd5 31. Re1 Ba8 32. b3 Qc5 33. c4 Rdd7 34. Red1 Rac7 35. a4 Rc8 36. Qc3 Rcd8 37. b4 Qc7 38. b5 Qc5 39. h3 Rd5 40. Qb2 Qxc4 41. Nc6+ |
| ECO B27 in 2001 play it! yudasin leonid defeats black's perelshteyn euge in 93 moves | 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. h3 f6 8. Bb5 Nh6 9. Nc3 Nf7 10. exf6 exf6 11. Qe2+ Kf8 12. O-O a6 13. Bxc6 bxc6 14. Na4 Kg8 15. Bf4 Bf8 16. Rac1 Bd7 17. Nc5 Bxc5 18. Rxc5 Kg7 19. Ne1 Re8 20. Qd2 Qb6 21. Nd3 Nd8 22. Be3 Bf5 23. Rc3 Bxd3 24. Rxd3 Rb8 25. Rb3 Qa7 26. Ra3 Rb5 27. Rc1 Qb7 28. Rc2 Kf7 29. Rac3 Re6 30. f3 Kg7 31. Bh6+ Kf7 32. Bf4 Ra5 33. Rb3 Rb5 34. Ra3 Ke8 35. Bg3 Nf7 36. Re3 Qe7 37. Rxe6 Qxe6 38. Qd3 Kf8 39. Qa3+ c5 40. dxc5 Qc6 41. Qc3 Rb7 42. Re2 Re7 43. Bd6 Qxd6 44. cxd6 Rxe2 45. Qxf6 Re8 46. d7 Rd8 47. Qe6 |
| ECO B21 in 2003 play it! yudasin leonid defeats black's wojtkiewicz alek in 108 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Be2 d5 5. d3 dxe4 6. dxe4 Qxd1+ 7. Bxd1 Nf6 8. Nbd2 b6 9. c3 Bb7 10. Bc2 Be7 11. O-O O-O 12. Re1 Rfd8 13. h3 Nd7 14. e5 Rac8 15. Ne4 c4 16. Be3 Na5 17. Rad1 Bd5 18. Kf2 Nb7 19. Rd4 Ndc5 20. Ng3 Nd3+ 21. Bxd3 cxd3 22. Rxd3 Nc5 23. Rd4 Bxa2 24. Ra1 Bd5 25. Rxa7 Bf8 26. Nd2 Ra8 27. Rxa8 Rxa8 28. c4 Bc6 29. b4 Na4 30. b5 Bb7 31. Nge4 Nc5 32. Nd6 Ra2 33. Nxb7 Nxb7 34. Rd7 Nc5 35. Rd8 Na4 36. Kf3 f5 37. exf6 gxf6 38. Ne4 Kf7 39. Rd7+ Kg6 40. g4 f5 41. Ng5 Nc5 42. Bxc5 Bxc5 43. Nxe6 Ra3+ 44. Kg2 Ra2+ 45. Kf1 Ra4 46. g5 Rxc4 47. Rg7+ Kh5 48. Rxh7+ Kg6 49. Rh6+ Kf7 50. h4 Be7 51. Kg2 Re4 52. Nc7 Rxf4 53. Rh7+ Kg6 54. Rxe7 Rxh4 |
| ECO B50 in 2000 play it! yudasin leonid defeats black's vigorito david in 75 moves | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Nc6 5. c3 g6 6. Bb3 Bg7 7. h3 O-O 8. O-O e5 9. Nbd2 h6 10. Re1 Be6 11. Bc2 d5 12. Ba4 Nd7 13. Nf1 Rc8 14. exd5 Bxd5 15. Ne3 Nb6 16. Bc2 Qd6 17. Nxd5 Nxd5 18. Nd2 b5 19. Ne4 Qe7 20. Qf3 Kh8 21. Bb3 Nb6 22. a4 Na5 23. Bd1 f5 24. axb5 fxe4 25. Qxe4 Nb7 26. Rxa7 Rc7 27. Qxg6 Nc8 28. Ra6 Qh4 29. g3 Qd8 30. Bxh6 Bxh6 31. Qxh6+ Rh7 32. Qe3 Re8 33. Rh6 Qd7 34. Bh5 Re7 35. Bg4 Qd8 36. Bf5 Rxh6 37. Qxh6+ Kg8 38. Be6+ |
| ECO B67 in 1980 play it! yudasin leonid defeats black's razhkov in 91 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bxf6 Qxf6 11. Nf3 Rd8 12. Bd3 Nd4 13. Ne1 Nc6 14. Qe3 Be7 15. Nf3 g5 16. f5 g4 17. fxe6 Bxe6 18. Nd2 Qg5 19. Qb6 O-O 20. Nd5 Bxd5 21. exd5 Ne5 22. Be2 Bf6 23. Kb1 Bg7 24. h3 Rfe8 25. Rhf1 Nd7 26. Qf2 Qe5 27. Nc4 Qxe2 28. Qxf7+ Kh8 29. Nxd6 Re7 30. Qf4 Rf8 31. Nf5 Re4 32. Qc1 Qxg2 33. hxg4 Qxg4 34. Nxh6 Qg6 35. Rh1 Rff4 36. Rdg1 Qxh6 37. Rxh6+ Bxh6 38. Qd1 Bg7 39. Qh5+ Kg8 40. a3 Rf7 41. Qh3 b5 42. Rg6 Rd4 43. Qe6 Rd1+ 44. Ka2 Nf8 45. Rxg7+ Kxg7 46. Qg4+ |
| ECO B50 in 2001 play it! yudasin leonid defeats black's shahade gregory in 101 moves | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. Bb3 Nc6 6. c3 Be7 7. O-O O-O 8. Re1 b5 9. a3 Bb7 10. Bg5 Rc8 11. Nbd2 Qb6 12. h3 Rfe8 13. Qe2 Ne5 14. Nxe5 dxe5 15. a4 a6 16. Bc2 Bc6 17. Be3 Qc7 18. Ra2 Nd7 19. Rea1 Ra8 20. Nb3 Rab8 21. axb5 axb5 22. f3 Rec8 23. Qf2 c4 24. dxc4 bxc4 25. Nd2 Bb5 26. Ra7 Qc6 27. Bd1 Bc5 28. R7a5 Ra8 29. Nxc4 Bxc4 30. Rxa8 Rxa8 31. Rxa8+ Qxa8 32. Bxc5 Qa1 33. Qd2 Bb3 34. Qxd7 Qxd1+ 35. Qxd1 Bxd1 36. Kf2 Bb3 37. Ke3 Bc4 38. g3 f6 39. h4 Kf7 40. f4 exf4+ 41. Kd4 Bb3 42. gxf4 Ke8 43. c4 Kd7 44. Bf8 g6 45. Bg7 f5 46. e5 Kc6 47. Kc3 Bd1 48. b4 Bf3 49. b5+ Kb7 50. c5 Kc7 51. Kb4 |
| ECO B24 in 1987 play it! yudasin leonid defeats black's dzhandzhava l in 79 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Bg2 d6 6. Be3 Nd4 7. Qd2 Qa5 8. f4 e6 9. Nh3 Ne7 10. O-O Qb6 11. Nd1 Ndc6 12. c3 a5 13. Qf2 Qd8 14. f5 exf5 15. g4 Ne5 16. gxf5 gxf5 17. Bg5 f6 18. Bd2 fxe4 19. dxe4 O-O 20. Ne3 Bd7 21. Nf4 Qe8 22. Rad1 b5 23. Bc1 Ra6 24. Qg3 Kh8 25. Kh1 Bc8 26. Bh3 N5g6 27. Ne6 Bxe6 28. Bxe6 Nc8 29. Qh3 Nce7 30. Nf5 Qa8 31. Nxg7 Qxe4+ 32. Kg1 Kxg7 33. Bh6+ Kh8 34. Bxf8 Nxf8 35. Rxf6 Neg6 36. Bd5 Qe5 37. Rf7 Rb6 38. Qc8 Qg5+ 39. Kh1 Qh6 40. Qd8 |
| ECO B20 in 2001 play it! yudasin leonid defeats black's charbonneau pasc in 67 moves | 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. d3 e5 7. Be3 Nge7 8. c3 O-O 9. Na3 b6 10. Qd2 d5 11. exd5 Nxd5 12. Bh6 Be6 13. Bxg7 Kxg7 14. Rad1 Rc8 15. Rfe1 Qf6 16. Nc4 Rfd8 17. Qc2 Bg4 18. a3 h5 19. Qa4 Bf3 20. Bh3 h4 21. Bxc8 b5 22. Qxb5 Rxc8 23. Nd2 h3 24. Qa4 Bg2 25. Nc1 Rb8 26. Ncb3 e4 27. dxe4 Nb6 28. Qb5 Nd7 29. Qe2 c4 30. Nd4 Rxb2 31. Nxc6 Qxc6 32. f4 Nb6 33. Qe3 f5 34. exf5 |
| ECO B96 in 1992 play it! yudasin leonid defeats black's ehlvest jaan in 63 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. f5 Nc6 10. Nxc6 Qxc6 11. fxe6 fxe6 12. Bxf6 gxf6 13. Qxf6 Rg8 14. Be2 Be7 15. Qd4 Rb8 16. Bh5+ Kd7 17. Bf3 Qb6 18. Qd3 Qc5 19. O-O-O Qe5 20. Ne2 Bb7 21. Kb1 a5 22. Nc1 b4 23. Qe3 Bg5 24. Qa7 Rgc8 25. Nd3 Qb5 26. Qd4 Be7 27. Bg4 Qg5 28. h4 Qg8 29. Bh3 Re8 30. e5 d5 31. Nf4 Qg3 32. Nxe6 |