| ECO B12 in 1999 play it! yudasin leonid defeats black's ponomariov rusla in 103 moves | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be3 Nd7 6. Qb3 Qb6 7. Nd2 Bg6 8. f4 h5 9. Ngf3 Nh6 10. g3 Be7 11. h3 O-O-O 12. Qxb6 axb6 13. a4 f5 14. Ng5 Bxg5 15. fxg5 Ng8 16. Nf3 Ne7 17. Kd2 Kc7 18. Be2 Bf7 19. b3 Ra8 20. Kc2 Nf8 21. Kb2 Nfg6 22. Ne1 f4 23. Bxf4 Nxf4 24. gxf4 Bg6 25. Bd3 Rhf8 26. Rf1 Rf7 27. Rd1 Raf8 28. Ng2 Bxd3 29. Rxd3 Ng6 30. Rdf3 Kd7 31. Kc2 c5 32. Kd2 Ne7 33. Ne3 Nf5 34. g6 Nxe3 35. Kxe3 Rf5 36. h4 Rc8 37. R3f2 Ke7 38. Ra1 cxd4+ 39. Kxd4 Kd7 40. Rc1 Rc5 41. Rg1 Rf8 42. Rg5 Rfc8 43. Rxh5 Rxc3 44. Rh7 R8c5 45. Rxg7+ Ke8 46. f5 Rxb3 47. fxe6 Rb4+ 48. Kd3 Rb3+ 49. Ke2 d4 50. Rff7 d3+ 51. Kd1 Rb1+ 52. Kd2 |
| ECO B13 in 1982 play it! yudasin leonid defeats black's burger k in 77 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. O-O O-O 11. Qc2 Bxf3 12. Nxf3 g6 13. Rfe1 Nh5 14. Bh6 Re8 15. Qd2 Qc7 16. Rac1 Bd6 17. g3 a6 18. Qg5 b5 19. Qh4 Rac8 20. Ng5 Qd8 21. Re3 Rc7 22. Rce1 Bf8 23. Bxf8 Rxf8 24. g4 h6 25. gxh5 Qxg5+ 26. Qxg5 hxg5 27. hxg6 Nd8 28. gxf7+ Rcxf7 29. Rg3 Rg7 30. Re5 g4 31. Rh5 Rf4 32. Rh4 Nc6 33. h3 e5 34. Rh6 gxh3 35. Rxc6 h2+ 36. Kh1 Rxg3 37. fxg3 Rf3 38. Bg6 e4 39. Kxh2 |
| ECO B12 in 2003 play it! yudasin leonid defeats black's bonin jay r in 79 moves | 1. e4 c6 2. d4 d6 3. f4 d5 4. e5 h5 5. Be2 g6 6. Nf3 Bg4 7. Nbd2 Nh6 8. c3 e6 9. Qb3 Qb6 10. h3 Bxf3 11. Nxf3 Nf5 12. Kf2 h4 13. Bd3 Nd7 14. Rd1 Be7 15. Bd2 a5 16. Qxb6 Nxb6 17. a4 c5 18. b3 Kf8 19. Be1 Kg7 20. Ke2 Nd7 21. Rac1 Nb8 22. Bxf5 gxf5 23. c4 dxc4 24. Rxc4 Nd7 25. dxc5 Nxc5 26. Bxh4 Rxh4 27. Nxh4 Nxb3 28. Rd7 b5 29. Rcc7 Bxh4 30. Rxf7+ Kg8 31. Rg7+ Kh8 32. Rh7+ Kg8 33. Rcg7+ Kf8 34. Rb7 Kg8 35. Rxh4 bxa4 36. Rh6 Nc5 37. Rbh7 a3 38. Rh8+ Kg7 39. R6h7+ Kg6 40. Rxa8 |
| ECO B13 in 1991 play it! yudasin leonid defeats black's lempert i in 101 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. O-O Bh5 11. Rfe1 O-O 12. Ne5 Nxe5 13. dxe5 Nd7 14. Qc2 Bg6 15. Bxg6 fxg6 16. Bg3 Bc5 17. Qd3 Nb6 18. b3 Qe8 19. a4 Rf7 20. a5 Nc8 21. Red1 Rd7 22. Ne4 Bf8 23. c4 a6 24. h3 h6 25. Ra4 Rb8 26. c5 Na7 27. Nd6 Bxd6 28. exd6 Nc6 29. Re1 Rc8 30. Rg4 g5 31. h4 gxh4 32. Bxh4 Qf7 33. Qe3 Kh7 34. Qxe6 Qxe6 35. Rxe6 Rf8 36. b4 Rf5 37. f3 d4 38. Re7 Rf7 39. Rge4 Kg8 40. Rxd7 Rxd7 41. Be1 Kf7 42. Kf2 Rd8 43. Ke2 Re8 44. Rxe8 Kxe8 45. Kd3 Kd7 46. Ke4 Ke6 47. Bd2 h5 48. Be1 g5 49. Bd2 Kf6 50. Kd5 d3 51. b5 |
| ECO B13 in 1982 play it! yudasin leonid defeats black's groszpeter attil in 61 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bg7 7. Nf3 f6 8. O-O Nh6 9. Re1 O-O 10. h3 e5 11. dxe5 fxe5 12. Bg5 Qb6 13. Qd2 e4 14. Bxh6 exf3 15. Bxg7 Kxg7 16. Bf1 fxg2 17. Bxg2 Bf5 18. Na3 Rad8 19. Rad1 Be4 20. Re3 Rf5 21. Kh1 Bxg2+ 22. Kxg2 Rdf8 23. Rf1 Qd8 24. Nc2 Qg5+ 25. Kh1 Rf3 26. Qe2 Qh5 27. Kg1 Qxh3 28. Re1 Qg4+ 29. Kf1 Rxf2+ 30. Qxf2 Rxf2+ 31. Kxf2 |
| ECO B13 in 2005 play it! yudasin leonid defeats black's benjamin joel in 75 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bxf3 10. Nxf3 Bd6 11. Bxd6 Qxd6 12. O-O O-O 13. Rae1 Nd7 14. Qc2 g6 15. Re3 Qf4 16. Rfe1 Rab8 17. Qe2 Rfc8 18. h3 Rc7 19. Nh2 Ne7 20. Ng4 Kg7 21. Rf3 Qg5 22. Bb5 Nc6 23. Rxf7+ Kxf7 24. Qxe6+ Kg7 25. Qd6 Qd8 26. Bxc6 Rxc6 27. Qe7+ Kh8 28. Qf7 Rc7 29. Re7 Qg8 30. Qf4 Qf8 31. Rf7 Qg8 32. Nh6 Qd8 33. Qe3 Rbc8 34. Re7 Qf8 35. Nf7+ Kg8 36. Qe6 Rc6 37. Nd6+ Kh8 38. Rxd7 |
| ECO B12 in 1989 play it! yudasin leonid defeats black's sapis witalis in 109 moves | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 c5 5. dxc5 Nc6 6. Bb5 Qa5+ 7. Nc3 O-O-O 8. Bxc6 bxc6 9. Qd4 h5 10. b4 Qa6 11. a4 Qc4 12. Qxc4 dxc4 13. Ra2 e6 14. a5 Ne7 15. Nf3 Nd5 16. Nxd5 Rxd5 17. O-O Be7 18. Be3 Rhd8 19. c3 Bd3 20. Re1 a6 21. Bg5 f6 22. Bf4 Bf5 23. Rae2 Rd3 24. Re3 Bg4 25. Nd4 fxe5 26. Bxe5 Bxh4 27. g3 Bg5 28. f4 Bf6 29. Nxc6 Rxe3 30. Rxe3 Rd1+ 31. Kf2 Rd2+ 32. Kf1 Rd1+ 33. Re1 Rd3 34. b5 axb5 35. a6 Bf3 36. Nd4 Rxc3 37. Nxb5 Rb3 38. Nd4 Ra3 39. Bxf6 gxf6 40. Rxe6 Bd5 41. Rxf6 c3 42. Ke2 Bc4+ 43. Ke3 Bxa6 44. Nc2 Ra4 45. Rh6 Ra2 46. Nb4 Re2+ 47. Kd4 Bb5 48. Kxc3 Re3+ 49. Kd4 Rxg3 50. c6 Rg8 51. Kc5 Be2 52. Nd5 Rf8 53. Rh7 Bg4 54. Ra7 Kb8 55. Kb6 |
| ECO B12 in 2003 play it! yudasin leonid defeats black's siegel noah j in 41 moves | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be3 Ne7 6. Nd2 Nd7 7. f4 h5 8. Be2 h4 9. Ngf3 Bg4 10. O-O Nf5 11. Bf2 Be7 12. Re1 Qb6 13. b4 a5 14. a3 a4 15. c4 O-O 16. c5 Qa7 17. h3 Bh5 18. Bd3 Qb8 19. Bxf5 exf5 20. Qc2 b5 21. Qxf5 |
| ECO B07 in 1992 play it! yudasin leonid defeats black's benegas p in 65 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 a6 6. Bh6 Bxh6 7. Qxh6 e5 8. Nf3 exd4 9. Nxd4 Nc6 10. Nxc6 bxc6 11. Bc4 Qe7 12. O-O-O Be6 13. Bxe6 fxe6 14. e5 dxe5 15. Qe3 O-O 16. f3 Nd5 17. Qxe5 Rf5 18. Qd4 Qg5+ 19. Rd2 Nxc3 20. Qxc3 Rd5 21. Re1 Rad8 22. Re2 Kf7 23. g3 e5 24. Kd1 h5 25. Ke1 Qf6 26. Rxd5 Rxd5 27. Qe3 Kg7 28. c4 Rd4 29. b3 Kh7 30. Qxe5 Kg7 31. Qxc7+ Kh6 32. Qe5 Qd8 33. Qe3+ |
| ECO B07 in 1985 play it! yudasin leonid defeats black's popchev milko in 82 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. f3 b5 7. g4 Nb6 8. Bh6 b4 9. Nd1 Bxh6 10. Qxh6 e5 11. dxe5 dxe5 12. h4 Be6 13. h5 Qe7 14. a3 O-O-O 15. Qe3 Kb8 16. axb4 Qxb4+ 17. Qc3 Qxc3+ 18. Nxc3 Nfd7 19. Nge2 f6 20. Ng3 Nc5 21. Rd1 a5 22. Rxd8+ Rxd8 23. hxg6 hxg6 24. Nd1 Kc7 25. Ne3 Rd7 26. Ne2 Nc4 27. Nxc4 Bxc4 28. Rh6 Rg7 29. Nc1 Bg8 30. Rh8 Be6 31. Nd3 Nxd3+ 32. Bxd3 Bg8 33. Kd2 Kd6 34. Kc3 Kc5 35. b3 Kb6 36. Bc4 Bxc4 37. Kxc4 g5 38. Rb8+ Kc7 39. Rf8 Kb6 40. Rxf6 Rd7 41. Rf5 Rd2 |
| ECO B07 in 1983 play it! yudasin leonid defeats black's gipslis aivars in 81 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 b5 6. g4 Bg7 7. Qd2 h5 8. g5 Nfd7 9. f4 Nb6 10. Nf3 d5 11. Ne5 b4 12. Ne2 dxe4 13. Ng3 h4 14. Nxe4 Bf5 15. Bg2 f6 16. gxf6 exf6 17. Qxb4 Bf8 18. Qb3 fxe5 19. O-O-O N8d7 20. dxe5 Nd5 21. e6 Bxe6 22. Ng5 Rb8 23. Qc4 Qf6 24. Bd4 Qxf4+ 25. Kb1 Qxg5 26. Qxc6 Nf4 27. Rhe1 Rh7 28. Bh3 Re7 29. Bxe6 Nxe6 30. Rxe6 Qg4 31. Ree1 a5 32. a3 Qf5 33. Be5 Rd8 34. Rf1 Qe6 35. Bd6 Bg7 36. Qb5 Qe2 37. Qxa5 Rc8 38. Qa4 Re4 39. Bb4 Qg4 40. Rfe1 Rxe1 41. Rxe1+ |
| ECO B07 in 1985 play it! yudasin leonid defeats black's azmayparashvili in 99 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Bg7 7. g4 h5 8. g5 Nfd7 9. f4 Nb6 10. Nf3 d5 11. Ne5 b4 12. Ne2 dxe4 13. Ng3 h4 14. Nxe4 Bf5 15. Nc5 f6 16. gxf6 exf6 17. Nxg6 Rh6 18. Bd3 Qd5 19. Rg1 N8d7 20. Na6 Rc8 21. Qxb4 Rxg6 22. Rxg6 Bxd3 23. cxd3 Bf8 24. Qd2 Kf7 25. Rg1 Qe6 26. Qe2 Qf5 27. O-O-O Re8 28. Rde1 Nd5 29. Qf3 Bd6 30. Bd2 Nxf4 31. Kc2 Ne2 32. Qg4 Qxg4 33. Rxg4 Bxh2 34. Kd1 Ng1 35. Rxe8 Kxe8 36. Rxh4 Nf3 37. Rh8+ Kf7 38. Rh7+ Ke6 39. Bb4 Bd6 40. Nc7+ Bxc7 41. Re7+ Kf5 42. Rxd7 Bb8 43. Ke2 Ng1+ 44. Kf1 Nf3 45. Kf2 a5 46. Bxa5 Nxd4 47. Rxd4 Ba7 48. Ke3 Ke5 49. Bc7+ Ke6 50. a4 |
| ECO B07 in 1985 play it! yudasin leonid defeats black's gipslis in 83 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 g6 5. f3 b5 6. g4 Bg7 7. Qd2 h5 8. g5 Nfd7 9. f4 Nb6 10. Nf3 d5 11. Ne5 b4 12. Ne2 dxe4 13. Ng3 h4 14. Nxe4 Bf5 15. Bg2 f6 16. gxf6 exf6 17. Qxb4 Bf8 18. Qb3 fxe5 19. O-O-O N8d7 20. dxe5 Nd5 21. e6 Bxe6 22. Ng5 Rb8 23. Qc4 Qf6 24. Bd4 Qxf4+ 25. Kb1 Qxg5 26. Qxc6 Nf4 27. Rhe1 Rh7 28. Bh3 Re7 29. Bxe6 Nxe6 30. Rxe6 Qg4 31. Ree1 a5 32. a3 Qf5 33. Be5 Rd8 34. Rf1 Qe6 35. Bd6 Bg7 36. Qb5 Qe2 37. Qxa5 Rc8 38. Qa4 Re4 39. Bb4 Qg4 40. Rfe1 Rxe1 41. Rxe1+ Kf7 42. Re7+ |
| ECO B07 in 1987 play it! yudasin leonid defeats black's zaichik gennady in 76 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 O-O 6. O-O-O Ng4 7. Bg5 h6 8. Bh4 Nc6 9. h3 Nf6 10. f4 a6 11. g4 b5 12. e5 dxe5 13. dxe5 Qxd2+ 14. Rxd2 Nh7 15. Bg2 Bb7 16. Bxe7 Rfe8 17. Bc5 g5 18. Nd5 Rac8 19. fxg5 Nxg5 20. Nf6+ Bxf6 21. exf6 Ne4 22. Bxe4 Rxe4 23. Rhh2 Rce8 24. b3 R4e5 25. Bf2 Nb4 26. Bd4 Re1+ 27. Kb2 Rd8 28. Ne2 Nc6 29. Be3 Re8 30. Bf4 Rf1 31. Rd7 Nb4 32. Rxc7 Bf3 33. Ng3 Rg1 34. Nf5 Nd5 35. Nxh6+ Kh8 36. Nxf7+ Kg8 37. Ng5 Nxf6 38. Nxf3 Rf1 |
| ECO B07 in 1989 play it! yudasin leonid defeats black's piskov y in 68 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. f5 b5 8. Bd2 Qb6 9. Qf3 Bc5 10. Nge2 O-O 11. g4 Bd4 12. g5 Ne8 13. f6 Nd7 14. Nd1 Nc5 15. Nxd4 exd4 16. Nf2 Nxd3+ 17. cxd3 c5 18. Ke2 g6 19. h4 h5 20. gxh6 Nxf6 21. Rhg1 Kh7 22. Bg5 Ng8 23. h5 Bd7 24. Bf4 Qe6 25. Rg3 Ne7 26. Nh3 f6 27. Bd2 g5 28. Bxg5 Rg8 29. Nf4 Qd6 30. Bh4 c4 31. Ng6 Qb4 32. Kf1 Qxb2 33. Re1 Nc6 34. Qxf6 Raf8 |
| ECO B07 in 1990 play it! yudasin leonid defeats black's ravisekhar r in 77 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f3 e5 5. Be3 Be7 6. Nge2 Na6 7. Qd2 O-O 8. g4 Nc7 9. O-O-O b5 10. Ng3 exd4 11. Bxd4 b4 12. Nce2 Nb5 13. Qxb4 Nxd4 14. Qxd4 Qa5 15. Kb1 Be6 16. Nc1 c5 17. Qd2 Qxd2 18. Rxd2 g6 19. g5 Nd7 20. f4 f6 21. f5 Bf7 22. gxf6 Nxf6 23. Nce2 Rab8 24. Nf4 Rb4 25. Bd3 c4 26. c3 Rb5 27. Be2 Re5 28. Rd4 Rc8 29. Ne6 gxf5 30. exf5 Bxe6 31. fxe6 d5 32. Rhd1 Rf8 33. Bf3 Rd8 34. Kc2 Kg7 35. Bg2 Kf8 36. Rf4 Ke8 37. Rdf1 Nh5 38. Rg4 Nf6 39. Rxf6 |
| ECO B07 in 1990 play it! yudasin leonid defeats black's wolff p in 81 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Qc7 7. O-O-O Nbd7 8. Bh6 Bxh6 9. Qxh6 Bb7 10. Nh3 O-O-O 11. Ng5 Rhf8 12. Kb1 Kb8 13. g4 e5 14. Qg7 b4 15. Ne2 Rde8 16. dxe5 dxe5 17. Nxh7 Nxh7 18. Qxh7 Nc5 19. Nc1 Rh8 20. Qg7 Qe7 21. Bc4 Ref8 22. Nb3 Nd7 23. Rd2 Nf6 24. Rhd1 Bc8 25. Na5 Kc7 26. Nxc6 Kxc6 27. Rd6+ Qxd6 28. Rxd6+ Kxd6 29. Qxf6+ Be6 30. h4 Rhg8 31. b3 a5 32. g5 Rc8 33. f4 exf4 34. Qxf4+ Kd7 35. Bb5+ Ke7 36. Qf6+ Kd6 37. Qd4+ Ke7 38. Qa7+ Kd6 39. Qxa5 Rgd8 40. e5+ Kd5 41. Bd7+ |
| ECO B01 in 2006 play it! yudasin leonid defeats black's herman geoffrey in 53 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. g3 Nf6 5. Bg2 c6 6. Nge2 g6 7. O-O Bg7 8. d3 O-O 9. Rb1 e5 10. b4 Qc7 11. b5 Be6 12. a4 Nbd7 13. Bd2 Rfe8 14. Qc1 Nb6 15. bxc6 bxc6 16. a5 Nbd5 17. Na4 Nd7 18. c4 Ne7 19. Qa3 Nf5 20. Bb4 Bf8 21. Nc5 Nxc5 22. Bxc5 Bxc5 23. Qxc5 Bd7 24. Nc3 Rab8 25. Nd5 Qc8 26. Rxb8 Qxb8 27. Nf6+ |
| ECO B01 in 2001 play it! yudasin leonid defeats black's schneider dmitry in 77 moves | 1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. d4 Nxd5 5. Nf3 c6 6. Bd3 N7f6 7. h3 Qc7 8. O-O e6 9. c4 Nf4 10. Bc2 Be7 11. Nc3 O-O 12. Re1 Rd8 13. Be3 b6 14. Qc1 Ng6 15. c5 Ba6 16. Ne4 Nxe4 17. Bxe4 bxc5 18. dxc5 Bd3 19. Bd4 Bxe4 20. Rxe4 Rd5 21. Qc3 Bf8 22. b4 Qd7 23. Rae1 Rd8 24. a3 Re8 25. h4 f6 26. Qb3 e5 27. g3 Rb8 28. h5 Nf4 29. Bxe5 fxe5 30. Nxe5 Nh3+ 31. Kg2 Qf5 32. g4 Qxf2+ 33. Kxh3 Kh8 34. Nxc6 Qf7 35. Ne5 Qb7 36. c6 Qb5 37. a4 Qc5 38. c7 Rxe5 39. cxb8=Q |
| ECO B01 in 2003 play it! yudasin leonid defeats black's becerra rivero j in 79 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 c6 5. Bf4 Bf5 6. Qd2 e6 7. Nf3 Nf6 8. Ne5 Bb4 9. f3 h6 10. a3 Be7 11. O-O-O Nbd7 12. Nc4 Nb6 13. Be5 Nxc4 14. Bxc4 b5 15. Bd3 Bxd3 16. Qxd3 O-O 17. Ne4 Nd5 18. g4 b4 19. a4 f6 20. Bg3 f5 21. Nc5 Qa5 22. Nxe6 Qxa4 23. Nxf8 Rxf8 24. Kb1 fxg4 25. fxg4 Nc3+ 26. bxc3 b3 27. Rdf1 Qa2+ 28. Kc1 Bg5+ 29. Kd1 Re8 30. Be5 Rxe5 31. dxe5 bxc2+ 32. Qxc2 Qd5+ 33. Ke1 Qxe5+ 34. Qe2 Bh4+ 35. Rf2 Qxc3+ 36. Kf1 Bxf2 37. Kxf2 Qd4+ 38. Kg2 Qd5+ 39. Qf3 Qd2+ 40. Kh3 |