| ECO B42 in 2001 play it! yudasin leonid defeats white's sarkar justin in 100 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Nge7 9. f4 b5 10. a3 O-O 11. O-O d6 12. Kh1 Bxe3 13. Qxe3 b4 14. axb4 Nxb4 15. f5 Rb8 16. f6 Ng6 17. fxg7 Kxg7 18. Rf3 f6 19. Rg3 Kh8 20. Nc3 Qe8 21. Rf1 Ne5 22. Qh6 Qe7 23. Nd4 Bd7 24. Nce2 Nbxd3 25. cxd3 f5 26. exf5 exf5 27. Nf4 Qf6 28. Qxf6+ Rxf6 29. b4 Rf7 30. Nd5 f4 31. Rxf4 Rxb4 32. Ne2 Rb1+ 33. Ng1 Rxf4 34. Nxf4 Rd1 35. h3 a5 36. Kh2 a4 37. d4 Rxd4 38. Nge2 Re4 39. Rc3 Nc4 40. Kg3 a3 41. Nc1 Kg7 42. Rd3 Bc6 43. Rd4 Kf6 44. Nd5+ Bxd5 45. Rxd5 Re3+ 46. Kf4 Rc3 47. Rd1 Rc2 48. g4 a2 49. Nb3 Rb2 50. g5+ Kg6 |
| ECO B50 in 2002 play it! yudasin leonid defeats white's stein alan r in 108 moves | 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e5 7. c3 Nge7 8. O-O O-O 9. a3 b6 10. b4 Ba6 11. Qc2 Rc8 12. Qb1 Bb7 13. Nc4 d5 14. Ne3 d4 15. cxd4 Nxd4 16. Nxd4 exd4 17. Nc4 b5 18. bxc5 Bxe4 19. Bxe4 bxc4 20. dxc4 Rxc5 21. Bd3 Nc6 22. Bd2 Re8 23. Bb4 Rh5 24. Be4 Ne5 25. Qb3 a5 26. Be1 Qc8 27. Bg2 Nxc4 28. Rc1 Rc5 29. Bb7 Qc7 30. Ba6 Ne5 31. Bd2 Qc6 32. Bb7 Qb5 33. Rb1 Qxb3 34. Rxb3 Nc4 35. Bf4 g5 36. Bc1 Rb8 37. Re1 Rc7 38. Bxg5 h6 39. Bd5 Rxb3 40. Re8+ Bf8 41. Bxh6 Rb5 42. Be4 f5 43. Bd3 Rc6 44. Bxf8 Kf7 45. Ra8 Re5 46. a4 Nb2 47. Bb5 Rc1+ 48. Kg2 d3 49. Ba3 d2 50. Ra7+ Kf6 51. Bxb2 d1=Q 52. Ra6+ Kf7 53. Bxe5 Qd5+ 54. Kh3 Qxe5 |
| ECO B90 in 1990 play it! yudasin leonid defeats white's edelman daniel in 128 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 b5 8. f3 Nbd7 9. g4 Nb6 10. a4 bxa4 11. Nxa4 Nxa4 12. Rxa4 Bb7 13. Nb3 d5 14. Na5 Bc8 15. g5 Nd7 16. Nc6 Qc7 17. exd5 Nb6 18. Re4 Bd6 19. Bxb6 Qxb6 20. Qd4 Qxd4 21. Nxd4 Bb7 22. Bc4 O-O-O 23. Nc6 Rd7 24. dxe6 Rc7 25. exf7 Bxc6 26. Re6 Be7 27. O-O Bb5 28. Bxb5 axb5 29. Re5 Bc5+ 30. Kh1 Rf8 31. b4 Bxb4 32. Rxb5 Bc5 33. f4 Rfxf7 34. f5 Be3 35. f6 Rxc2 36. Re1 Bf4 37. Re4 Rxh2+ 38. Kg1 Bc7 39. Rc5 Ra2 40. Rh4 gxf6 41. gxf6 Ra5 42. Rxa5 Bxa5 43. Kg2 Bd8 44. Rc4+ Kd7 45. Rd4+ Ke8 46. Re4+ Kf8 47. Rd4 Bxf6 48. Rf4 Kg7 49. Rf3 Kg6 50. Kh1 Ra7 51. Kg2 Be5 52. Rd3 Kf5 53. Rh3 Kg4 54. Rf3 Bf4 55. Rf2 h5 56. Rb2 h4 57. Rb1 Rd7 58. Kh1 Re7 59. Rg1+ Kh3 60. Rf1 Re2 61. Rf3+ Kg4 62. Rf1 Be3 63. Rf3 Re1+ 64. Kg2 Rg1+ |
| ECO B93 in 1999 play it! yudasin leonid defeats white's drei andrea in 86 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qb6 8. Nb3 Qc7 9. g4 b5 10. Bd3 h6 11. f5 Bb7 12. fxe6 fxe6 13. a3 Nc6 14. Qh3 Qe7 15. g5 Nd7 16. Be3 O-O-O 17. O-O-O Kb8 18. Ne2 Nde5 19. Nbd4 Nxd4 20. Nxd4 Re8 21. Nf3 Nxd3+ 22. cxd3 e5 23. Kb1 Qe6 24. Qxe6 Rxe6 25. gxh6 gxh6 26. Nh4 d5 27. exd5 Bxd5 28. Rhg1 Bd6 29. Nf5 Bc7 30. Rg7 e4 31. Nd4 Rf6 32. Rd7 Rd6 33. Rxd6 Bxd6 34. dxe4 Bxe4+ 35. Ka1 Bxh2 36. Rd2 Bg3 37. Ne2 Bc7 38. Nc3 Bc6 39. Nd5 Bxd5 40. Rxd5 h5 41. Bd4 Rd8 42. Rxd8+ Bxd8 43. Ka2 h4 |
| ECO B40 in 1990 play it! yudasin leonid defeats white's brady stephen in 60 moves | 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. O-O Rc8 10. Bd2 dxe5 11. dxe5 Be7 12. Nc3 N5b6 13. Rc1 Nc4 14. Qe2 O-O 15. b3 Nxd2 16. Qxd2 Nxe5 17. Qe3 Nxf3+ 18. Qxf3 Qa5 19. Qxb7 Ba3 20. b4 Qb6 21. Qxb6 axb6 22. Rc2 Rc4 23. Nb1 Rxc2 24. Nxa3 Rxa2 25. Nc4 Rb8 26. Rd1 h6 27. g3 b5 28. Ne5 Re2 29. Nc6 Ra8 30. Nd4 Rd8 |
| ECO B92 in 1992 play it! yudasin leonid defeats white's bello p in 32 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Qc7 8. Qd2 b5 9. Bf3 Bb7 10. a3 Nbd7 11. O-O Nc5 12. e5 dxe5 13. Ndxb5 axb5 14. Nxb5 Qb6 15. Bxb7 Qxb7 16. Nd6+ Bxd6 |
| ECO B61 in 1981 play it! yudasin leonid defeats white's petrushin alexan in 92 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. O-O-O Nxd4 9. Qxd4 Qa5 10. f4 e6 11. e5 dxe5 12. fxe5 Bc6 13. Bb5 Nd5 14. Bxc6+ bxc6 15. Ne4 Qxa2 16. c4 h6 17. Bd2 c5 18. Qd3 Nb6 19. Bc3 Qxc4 20. Nd6+ Bxd6 21. Qxd6 Qa4 22. Rhf1 Qc6 23. Rf3 Qxd6 24. Rxd6 O-O 25. Rfd3 c4 26. R3d4 Rc5 27. Rg4 Rfc8 28. Kc2 Nd5 29. Bd4 Rb5 30. Rg3 Nb4+ 31. Kd2 Nd3 32. Rd7 Nxe5 33. Bxe5 Rxe5 34. Rxa7 Rb8 35. Kc3 Rb3+ 36. Kxc4 Rxb2 37. Ra1 Rf5 38. Kc3 Rff2 39. Ra8+ Kh7 40. Rf8 Ra2 41. Kd4 Rxg2 42. Rxf7 Rxg3 43. hxg3 Ra3 44. Re7 Rxg3 45. Rxe6 Rf3 46. Ke4 Rf7 |
| ECO B53 in 1991 play it! yudasin leonid defeats white's zaitsev i in 59 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. O-O-O Be7 10. Rhe1 O-O 11. e5 dxe5 12. Nxe5 Bxg2 13. Qh4 Nd5 14. f4 Bxg5 15. fxg5 Qa5 16. Nxd5 exd5 17. Nd7 Rfc8 18. Qg4 Qxa2 19. Qxg2 Qa1+ 20. Kd2 Qxb2 21. Qxd5 Rxc2+ 22. Ke3 Re8+ 23. Kf3 Qc3+ 24. Kg4 h5+ 25. gxh6 Rxe1 26. Rxe1 Qxe1 27. Nf6+ gxf6 28. Qd8+ Kh7 29. Qd3+ Kxh6 30. Qxc2 |
| ECO B23 in 2002 play it! yudasin leonid defeats white's mitkov nikola in 56 moves | 1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Be3 Na5 8. Bd3 a6 9. O-O Qc7 10. f4 Be7 11. Qf3 b5 12. e5 Bb7 13. Qg3 Nh5 14. Qh3 g6 15. Nf3 Nc4 16. Bd4 Nxf4 17. Qh6 dxe5 18. Nxe5 Bc5 19. Qxf4 Bxd4+ 20. Qxd4 Qxe5 21. Qf2 O-O 22. Rae1 Qc7 23. Be4 Bxe4 24. Nxe4 Qa7 25. b3 Qxf2+ 26. Rxf2 Nb6 27. Rd1 Rfc8 28. Rd6 Rab8 |
| ECO B90 in 1987 play it! yudasin leonid defeats white's solozhenkin evge in 65 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nc6 8. Be3 Be7 9. f4 O-O 10. Qf3 Qc7 11. f5 Nxd4 12. Bxd4 b5 13. O-O b4 14. Ne2 e5 15. Be3 Bb7 16. Ng3 a5 17. Rf2 a4 18. Bd5 Bxd5 19. exd5 b3 20. cxb3 axb3 21. a3 Qc4 22. Rd2 Rfc8 23. Rad1 h6 24. h3 Bd8 25. Nh5 Ra4 26. Nxf6+ Bxf6 27. Re2 Qb5 28. Qf2 Rac4 29. Red2 Rc2 30. Qg3 Rxd2 31. Rxd2 Rc1+ 32. Kh2 Qf1 33. Qf2 |
| ECO B90 in 1983 play it! yudasin leonid defeats white's donchev dimitur in 48 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nc6 8. Be3 Be7 9. Qe2 Qc7 10. O-O-O O-O 11. g4 Nd7 12. g5 Nc5 13. Rhg1 b5 14. Nxc6 Nxb3+ 15. axb3 Qxc6 16. Qh5 b4 17. Rd4 bxc3 18. e5 Bb7 19. Rh4 h6 20. exd6 cxb2+ 21. Kb1 Rac8 22. Rc4 Qxd6 23. gxh6 Rxc4 24. hxg7 Rh4 |
| ECO B57 in 1984 play it! yudasin leonid defeats white's karasev vladimir in 66 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Na5 9. O-O-O Nxc4 10. Qxc4 Bd7 11. f3 b5 12. Qd3 Qc7 13. g4 b4 14. Nce2 e5 15. Nf5 Bb5 16. Qd2 g6 17. Nfg3 h5 18. gxh5 Nxh5 19. Nxh5 Rxh5 20. Ng3 Rh3 21. Qxb4 d5 22. Qd2 d4 23. Bg5 Rb8 24. Kb1 Bc4 25. b3 a5 26. Bf6 a4 27. Bxe5 Qxe5 28. Qxd4 Qb5 29. Rd2 Bh6 30. Rg2 Bf4 31. e5 axb3 32. axb3 Bxb3 33. cxb3 Qxb3+ |
| ECO B20 in 1984 play it! yudasin leonid defeats white's varlamov viaches in 76 moves | 1. e4 c5 2. g3 Nc6 3. Bg2 e6 4. Ne2 Nge7 5. Nbc3 Nd4 6. O-O d6 7. Rb1 Nec6 8. a3 g6 9. d3 Bg7 10. Be3 O-O 11. Qd2 b6 12. b4 Bb7 13. Nc1 Rc8 14. b5 Ne5 15. f4 Ng4 16. Nd1 d5 17. c3 dxe4 18. dxe4 Nxe3 19. Qxe3 a6 20. a4 axb5 21. axb5 Qd7 22. Nd3 Nxb5 23. Ne5 Bxe5 24. fxe5 Na3 25. Nf2 Nxb1 26. Rd1 Qa4 27. Rxb1 Rcd8 28. Qg5 Qc2 29. Rf1 Rd2 30. Bf3 Ba6 31. Ng4 Bxf1 32. Nh6+ Kg7 33. Ng4 f5 34. exf6+ Kh8 35. f7 Qxc3 36. Ne5 Qd4+ 37. Kh1 Bg2+ 38. Bxg2 Qa1+ |
| ECO B51 in 1985 play it! yudasin leonid defeats white's titov g in 78 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. O-O Bg4 6. h3 Bh5 7. Re1 Nf6 8. d3 e6 9. Nbd2 Nd7 10. Nf1 Be7 11. Ng3 Bg6 12. Bd2 h5 13. Ne2 h4 14. Nf4 Bh7 15. e5 d5 16. g4 hxg3 17. fxg3 Qb8 18. b3 g5 19. Ng2 Bg8 20. Bxg5 Bxg5 21. Nxg5 Nxe5 22. Nf4 Qd6 23. c4 f6 24. Nf3 Ng6 25. Qd2 Nxf4 26. Qxf4 Qxf4 27. gxf4 Rxh3 28. Kg2 Rh5 29. Rh1 Rxh1 30. Rxh1 Ke7 31. Kf2 a5 32. Nd2 Bf7 33. Nf1 a4 34. Nd2 Bg6 35. Ke2 Bf5 36. Rg1 axb3 37. axb3 Ra2 38. Rc1 Kd6 39. Ke3 Bg4 |
| ECO B53 in 1991 play it! yudasin leonid defeats white's zaitsev igor a in 70 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. O-O-O Be7 10. Qd3 Qa5 11. Bh4 O-O 12. Nd4 Rfc8 13. f4 b5 14. e5 dxe5 15. fxe5 Nd5 16. Nxc6 Rxc6 17. Bxe7 Nxe7 18. Qf3 b4 19. Rd7 Rf8 20. Rxe7 bxc3 21. Qxc6 Qxa2 22. bxc3 Qa3+ 23. Kb1 Qxe7 24. Ka2 Qd8 25. Qd6 Qa5+ 26. Kb2 Rd8 27. Ra1 Qxa1+ 28. Kxa1 Rxd6 29. exd6 Kf8 30. c4 Ke8 31. Kb2 Kd7 32. c5 e5 33. Kb3 f5 34. Kb4 e4 35. Kc4 e3 |
| ECO B55 in 1983 play it! yudasin leonid defeats white's shnaider david in 65 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 O-O 8. Be2 b6 9. O-O Bb7 10. Be3 a6 11. Qd2 Nbd7 12. Rfd1 Rc8 13. Rac1 Qc7 14. Bf1 Qb8 15. b3 Rfe8 16. Kh1 Kh8 17. Bg1 Bd8 18. Nc2 Bc7 19. Ne3 Rg8 20. Rc2 Ne5 21. Qf2 g5 22. h3 Rg6 23. Bh2 h5 24. f4 gxf4 25. Bxf4 Kg7 26. Bxe5 dxe5 27. Qh4 Bd8 28. Kg1 b5 29. Rxd8 Rxd8 30. cxb5 axb5 31. Bxb5 Rd4 32. Rf2 Qc7 33. Bc4 |
| ECO B90 in 1989 play it! yudasin leonid defeats white's campora d in 84 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 b5 8. f3 Bb7 9. O-O-O Nbd7 10. g4 Nb6 11. Qf2 Nfd7 12. Bd3 Rc8 13. h4 Rxc3 14. bxc3 Qc7 15. Ne2 d5 16. e5 Na4 17. f4 b4 18. cxb4 Bxb4 19. Bd4 O-O 20. c3 Ndc5 21. Bc2 Ne4 22. Bxe4 dxe4 23. Rh3 Qc4 24. Kd2 Ba5 25. Ra1 Rd8 26. Ke1 Bc6 27. Kf1 Bb5 28. Rb1 Bxc3 29. Rxb5 axb5 30. Bxc3 Rd3 31. Rxd3 exd3 32. Bd2 dxe2+ 33. Qxe2 Qd5 34. Qg2 Qd3+ 35. Ke1 h6 36. g5 h5 37. Qb7 Qb1+ 38. Ke2 Qxa2 39. Qa8+ Kh7 40. Qe4+ g6 41. Qb4 Qc2 42. Qf8 Nc3+ |
| ECO B92 in 1992 play it! yudasin leonid defeats white's pedrera in 96 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Qc7 8. O-O b5 9. a3 Bb7 10. f3 Nbd7 11. Qd2 Be7 12. Rfd1 O-O 13. Rac1 Nb6 14. Ndxb5 axb5 15. Nxb5 Qc6 16. Nxd6 Na4 17. Bb5 Qc8 18. Bxa4 Rxa4 19. Nxb7 Qxb7 20. c4 Rc8 21. e5 Ne8 22. Qd7 Qxd7 23. Rxd7 Kf8 24. c5 Nc7 25. c6 Ra6 26. Bc5 Nd5 27. Bd6 Ke8 28. Bxe7 Nxe7 29. Rd6 Nf5 30. Rd7 Raxc6 31. Rxc6 Rxc6 32. Rd2 Rc5 33. f4 g5 34. g3 gxf4 35. gxf4 Rc4 36. Rf2 Ne3 37. h3 Nd5 38. f5 Rc1+ 39. Rf1 Rxf1+ 40. Kxf1 exf5 41. Ke2 Kd7 42. Kd3 Nf4+ 43. Kd4 Nxh3 44. b4 Ng5 45. b5 h5 46. Ke3 h4 47. a4 h3 48. Kf2 f4 |
| ECO B96 in 1989 play it! yudasin leonid defeats white's luther th in 60 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. O-O-O b4 10. Nce2 Nbd7 11. g4 Bb7 12. Ng3 d5 13. Bd3 Bc5 14. Nb3 dxe4 15. Nxe4 Be7 16. Rhe1 Rc8 17. Re2 O-O 18. Bxf6 Nxf6 19. f5 a5 20. Kb1 a4 21. Nbd2 Rfd8 22. fxe6 fxe6 23. Qh3 Rxd3 24. Qxd3 Ba6 25. Qxa6 Qxc2+ 26. Ka1 Qxd1+ 27. Nb1 Rc1 28. Nd2 a3 29. Qxe6+ Kh8 30. bxa3 Ng8 |
| ECO B94 in 1994 play it! yudasin leonid defeats white's wolff p in 50 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 e6 8. O-O Qc7 9. Bb3 h6 10. Bh4 g5 11. Bg3 Ne5 12. f4 gxf4 13. Rxf4 Bg7 14. Kh1 h5 15. Qe2 Ng6 16. Rff1 h4 17. Ndb5 axb5 18. Nxb5 Qc6 19. Bd5 Qb6 20. Bxd6 Ra5 21. Qc4 Bd7 22. Nc7+ Kd8 23. e5 Nxd5 24. Rxf7 Bxe5 25. Nxd5 Rxd5 |