| ECO C70 in 1985 play it! yudasin leonid defeats black's shabanov yuri in 98 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. O-O d6 7. d4 exd4 8. Nxd4 Bd7 9. Qe1 Nxb3 10. axb3 Be7 11. e5 c5 12. exd6 cxd4 13. Qe5 Qb8 14. Bf4 Qxd6 15. Qxd6 Bxd6 16. Bxd6 Ne7 17. Nd2 Nc6 18. Rfe1+ Be6 19. Ne4 Kd7 20. Rad1 Bd5 21. Bc5 Rhe8 22. f3 Kc7 23. Bxd4 Bxe4 24. fxe4 f6 25. Bc5 Re6 26. Rd5 Rd8 27. Kf2 Ne7 28. Rd3 Nc6 29. h3 Re5 30. b4 f5 31. Rxd8 Nxd8 32. Bd4 Rxe4 33. Rxe4 fxe4 34. Ke3 g6 35. Kxe4 Kd6 36. Bg1 Nc6 37. c3 h5 38. Bf2 Ke6 39. Bg3 Ne7 40. Bf4 Nc6 41. Bh2 a5 42. c4 bxc4 43. b5 Nb4 44. Kd4 Kd7 45. Kxc4 Kc8 46. Bf4 Nc2 47. Kc3 Nb4 48. Bd2 Nd5+ 49. Kd4 Nc7 |
| ECO C54 in 1992 play it! yudasin leonid defeats black's antunes antonio in 69 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 Nd7 12. Ba2 Qf6 13. Nc4 Bc5 14. Bc1 h6 15. d4 Bb6 16. Be3 Re8 17. Qc2 Nf4 18. Qd2 exd4 19. Bxf4 dxc3 20. Qc1 Rxe4 21. Be3 Bc5 22. Rd1 Rg4 23. h3 Re4 24. Qc2 Re8 25. Rac1 Bxe3 26. Nxe3 Ne5 27. Nxe5 Rxe5 28. Qxc3 Bd7 29. Qxc7 Bxh3 30. gxh3 Rg5+ 31. Kf1 Rf8 32. Qxd6 Qf3 33. Qxf8+ Kxf8 34. Rc8+ Ke7 35. Rc7+ |
| ECO C50 in 1979 play it! yudasin leonid defeats black's vorotnikov vladi in 111 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. O-O g6 5. d4 exd4 6. Bg5 Be7 7. Bxe7 Qxe7 8. Nxd4 Nf6 9. Nc3 O-O 10. Re1 Qe5 11. Nf3 Qc5 12. Bb3 Bg4 13. h3 Bxf3 14. Qxf3 Kg7 15. Rad1 Nd4 16. Qd3 Nxb3 17. axb3 Rfe8 18. Rd2 Re7 19. Kh1 Rae8 20. f4 b5 21. Rde2 b4 22. Nb1 h5 23. Nd2 h4 24. Qf3 d5 25. e5 Nh5 26. Nf1 Qd4 27. Rf2 f6 28. c3 bxc3 29. bxc3 Qb6 30. Ne3 c6 31. Qg4 Ng3+ 32. Kh2 f5 33. Qxh4 Ne4 34. Rf3 Rf7 35. Rg1 Qxb3 36. g4 Rh8 37. Qe1 Kf8 38. gxf5 gxf5 39. e6 Rf6 40. Qa1 Qb8 41. c4 Rh7 42. cxd5 cxd5 43. e7+ Rxe7 44. Nxd5 Qb5 45. Nxf6 Qe2+ 46. Rg2 Qxf3 47. Nxe4 Qxf4+ 48. Ng3 Qe5 49. Qxe5 Rxe5 50. Rf2 a5 51. Nxf5 Kf7 52. Nd4+ Kg6 53. Ra2 Kh5 54. Nc6 Rc5 55. Rxa5 Kh4 56. Ra4+ |
| ECO C54 in 1986 play it! yudasin leonid defeats black's guseinov aldyn in 67 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O Bb6 7. Bb3 Ne7 8. Nbd2 Ng6 9. Nc4 O-O 10. Re1 Be6 11. a4 c6 12. Nxb6 Bxb3 13. Qxb3 Qxb6 14. Qc2 Qc7 15. Bg5 Nh5 16. d4 Nhf4 17. Rad1 h6 18. Bxf4 Nxf4 19. Nh4 Rad8 20. g3 Nh5 21. Nf5 Rfe8 22. c4 exd4 23. Rxd4 Nf6 24. Red1 Re6 25. f3 c5 26. R4d3 g6 27. Nxh6+ Kg7 28. Qd2 Kf8 29. b3 Qe7 30. Qg5 Re5 31. Qf4 Kg7 32. g4 Rh8 33. Rxd6 Nxe4 34. Rd7 |
| ECO C77 in 1999 play it! yudasin leonid defeats black's grinshpun eduard in 71 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. O-O O-O 8. Re1 h6 9. h3 Bd7 10. Nbd2 Re8 11. Nf1 Bf8 12. Ng3 Ne7 13. Bc2 Ng6 14. d4 c5 15. dxc5 dxc5 16. a4 Be6 17. a5 Qc7 18. Be3 Rad8 19. Qe2 Nd7 20. Nd2 c4 21. Nf5 Nf4 22. Bxf4 exf4 23. Qf3 Bc5 24. Re2 Qe5 25. Qg4 g6 26. Nxh6+ Kf8 27. Nf5 Nf6 28. Qg5 Bxf5 29. Nf3 Qe7 30. Qh6+ Kg8 31. Ng5 f3 32. gxf3 Qe5 33. exf5 Qxe2 34. fxg6 Qxf2+ 35. Kh1 Rd7 36. g7 |
| ECO C82 in 1992 play it! yudasin leonid defeats black's mikhalevski v in 68 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qe2 O-O 11. Be3 f6 12. exf6 Qxf6 13. Nbd2 Bd6 14. Rfe1 Rae8 15. a4 Ne5 16. axb5 Nxd2 17. Nxd2 Ng4 18. Nf1 axb5 19. Bd4 Qh4 20. g3 Qh3 21. Qxb5 Rb8 22. Qe2 Bf7 23. Bc2 c5 24. Bf5 h5 25. Be3 g6 26. Ra6 Rbd8 27. Bxg4 hxg4 28. Qd3 d4 29. cxd4 c4 30. Qe4 Qh5 31. Bf4 Bd5 32. Qc2 Bxf4 33. gxf4 Rf5 34. Re5 Qh3 |
| ECO C67 in 1991 play it! yudasin leonid defeats black's knezevic m in 61 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4 O-O 10. Nf5 d5 11. Nxe7+ Qxe7 12. Re1 Re8 13. b3 Qh4 14. Nd2 Nd6 15. Bb2 f6 16. Qe3 fxe5 17. Bxe5 Nf7 18. Bg3 Rxe3 19. Bxh4 Re6 20. Nf3 c5 21. Bg3 Nd6 22. Ne5 Ne4 23. Nd3 Rc6 24. Nf4 Nf6 25. Bh4 Bb7 26. Re7 Rf8 27. Ne6 Rf7 28. Rxf7 Rxe6 29. Rxc7 Bc6 30. f3 a6 31. Re1 |
| ECO C64 in 1987 play it! yudasin leonid defeats black's kuzmin in 79 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6 5. O-O d6 6. d4 Bd7 7. Re1 Nf6 8. Bg5 h6 9. Bh4 Qe7 10. Na3 g5 11. Bg3 h5 12. dxe5 dxe5 13. Bxc6 Bxc6 14. Nc4 Nxe4 15. Nxb6 axb6 16. Nxe5 h4 17. Nxc6 hxg3 18. hxg3 bxc6 19. Qd4 O-O 20. Rxe4 Qd8 21. Qe3 Ra5 22. a4 Rd5 23. Re1 Qf6 24. c4 Rf5 25. b3 Kg7 26. Re7 Rh8 27. f3 Qd6 28. Qc3+ Rf6 29. R7e5 Kg6 30. c5 bxc5 31. Qc2+ Kh6 32. Qxc5 Rb8 33. Qe3 Rg6 34. Kf2 Qa3 35. Qd4 Qb4 36. Qxb4 Rxb4 37. R1e3 Rd6 38. Rc3 Kg6 39. g4 f6 40. Re7 |
| ECO C00 in 2003 play it! yudasin leonid defeats black's sevillano enrico in 87 moves | 1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 b6 6. Bg2 Nf6 7. O-O Be7 8. Re1 O-O 9. e5 Nd7 10. Qe2 Qc7 11. c3 Ba6 12. Nf1 b5 13. h4 b4 14. c4 dxc4 15. dxc4 Rad8 16. b3 Nd4 17. Nxd4 cxd4 18. Bf4 Bb7 19. Nd2 Nc5 20. h5 Kh8 21. Bxb7 Qxb7 22. Rad1 Rd7 23. Ne4 Nxe4 24. Qxe4 Qxe4 25. Rxe4 Bc5 26. h6 g6 27. Rd3 a5 28. Kg2 a4 29. Bc1 Ra8 30. Re2 axb3 31. axb3 Kg8 32. g4 Ra1 33. Bb2 Rb1 34. Red2 Kf8 35. Kf3 Ke7 36. Kf4 f6 37. exf6+ Kxf6 38. g5+ Kf7 39. Bxd4 Be7 40. Be3 Rxd3 41. Rxd3 Rg1 42. Ke4 Bxg5 43. Rd7+ Kf6 44. f4 |
| ECO C05 in 1992 play it! yudasin leonid defeats black's de la villa garc in 105 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. h4 a5 9. a4 cxd4 10. cxd4 Bb4+ 11. Kf2 f6 12. Be3 h5 13. Nh3 f5 14. Nhg5 Ndb8 15. Be2 g6 16. Rh3 Bd7 17. Rg3 Ne7 18. Nd2 Na6 19. Nb1 Rc8 20. Na3 Ng8 21. Nb5 Nh6 22. Bd2 Bxb5 23. Bxb5+ Ke7 24. Bxb4+ axb4 25. Rd3 Rc7 26. Rc1 Rhc8 27. Rxc7+ Rxc7 28. Qb3 Rc1 29. Nf3 Nf7 30. Rd1 Rc8 31. Ne1 Nh6 32. Nc2 Kf7 33. Nxb4 Kg7 34. Nc2 Ng4+ 35. Ke2 Kh6 36. Rd3 Qd8 37. g3 Rxc2+ 38. Qxc2 Nb4 39. Qc5 Nxd3 40. Bxd3 Kg7 41. Bb5 Nh6 42. b4 Nf7 43. a5 Kg8 44. Kd1 Kg7 45. Kc2 Kg8 46. Kb2 Kg7 47. Ba4 Kg8 48. Qb5 Qc7 49. Qe8+ Kg7 50. Bb5 Nd8 51. Qd7+ Qxd7 52. Bxd7 Kf7 53. b5 |
| ECO C07 in 1993 play it! yudasin leonid defeats black's gulko b in 43 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 Bd6 10. Nf3 dxe4 11. Qxe4 Nf6 12. Qh4 Rb8 13. O-O Nd5 14. Re1 Be7 15. Qg4 g6 16. c4 f5 17. Bxf5 Nf6 18. Qf4 Qxf4 19. Bxf4 Rxb2 20. Bxe6 Bc5 21. Bxd7+ Kxd7 22. Ne5+ |
| ECO C16 in 1989 play it! yudasin leonid defeats black's gastgofer j in 61 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Qxc3 Rc8 14. Bd2 Nf5 15. Rb1 Qd8 16. Qd3 Na5 17. g3 Ba4 18. Nc3 Bc6 19. Bh3 Nc4 20. Bxf5 exf5 21. Nb5 d4 22. Qxc4 Bxh1 23. Nd6+ Qxd6 24. Qxc8+ Qd8 25. Qxf5 Rg6 26. Kf2 Bc6 27. Qh3 Rg8 28. Bb4 d3 29. Qh7 Qd4+ 30. Kf1 Rg6 31. Qh8+ |
| ECO C09 in 1988 play it! yudasin leonid defeats black's vaganian rafael in 107 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. Nb3 Bd6 9. O-O Ne7 10. Re1 O-O 11. Bd3 h6 12. h3 Nf5 13. c3 Qf6 14. Bc2 Be6 15. Qd3 Rfe8 16. Be3 g6 17. Bc5 Be7 18. Qd2 Kh7 19. Re2 Nd6 20. Bxd6 Bxd6 21. Rae1 Kg7 22. Nbd4 Re7 23. Ba4 Rc8 24. Nxe6+ fxe6 25. Bxc6 bxc6 26. Ne5 h5 27. Qd3 Bc5 28. b4 Bb6 29. a4 Qf5 30. a5 Qxd3 31. Nxd3 Bd8 32. Nc5 e5 33. Rxe5 Rxe5 34. Rxe5 Bf6 35. Re3 Kf7 36. Nd7 Bg7 37. Ne5+ Kf6 38. Kf1 Kf5 39. g4+ hxg4 40. hxg4+ Kg5 41. Ke2 c5 42. bxc5 Rxc5 43. f4+ Kh4 44. Kf3 Bxe5 45. fxe5 Rc8 46. e6 Rf8+ 47. Ke2 Kxg4 48. Kd3 Kg5 49. Kd4 Kf6 50. Rf3+ Ke7 51. Rxf8 Kxf8 52. Kxd5 g5 53. Kd6 Ke8 54. c4 |
| ECO C00 in 2001 play it! yudasin leonid defeats black's adu oladapo in 47 moves | 1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. g3 Be7 5. Nf3 dxe4 6. dxe4 b6 7. Nbd2 Ba6 8. Nc4 O-O 9. Bg2 Nc6 10. e5 Nd5 11. Qe4 Qd7 12. Bd2 Ncb4 13. O-O b5 14. Na3 c5 15. Rfd1 Bb7 16. Qg4 Kh8 17. c3 Na6 18. Ng5 Bxg5 19. Bxg5 c4 20. Qd4 h6 21. Qh4 Kg8 22. Bf6 Nac7 23. Rd4 Ne8 24. Rad1 |
| ECO C07 in 1983 play it! yudasin leonid defeats black's ornstein a in 71 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Bb3 Qc7 12. Qf3 Bd6 13. h3 O-O 14. Bg5 b5 15. Bxf6 gxf6 16. Qxf6 Be5 17. Qh4 Bb7 18. c3 Kh8 19. f4 Rg8 20. Rf2 Bxd4 21. cxd4 Rg6 22. f5 exf5 23. d5 Re8 24. Rd1 Re4 25. Qh5 Bc8 26. Qf3 Bd7 27. Kh1 Qe5 28. Bc2 Rg3 29. Bxe4 Rxf3 30. Bxf3 Qd6 31. Rdd2 Kg7 32. Bd1 Qe5 33. d6 Qe1+ 34. Kh2 Qe5+ 35. g3 Bc6 36. Rfe2 |
| ECO C18 in 1991 play it! yudasin leonid defeats black's poldauf dirk in 79 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Qxc3 O-O-O 14. Bd2 Nf5 15. Rb1 d4 16. Qc5 b6 17. Qc4 Kb8 18. Rg1 Bc8 19. g4 Ne3 20. Bxe3 dxe3 21. Rb3 Bb7 22. Rxe3 Rd5 23. Rgg3 Rc5 24. Qd3 Rd8 25. Qh7 Na5 26. Rc3 Nc4 27. Rgd3 Nb2 28. Rxd8+ Qxd8 29. Rxc5 bxc5 30. Qxf7 Qd1+ 31. Kf2 Qxc2 32. Qf8+ Kc7 33. Qd6+ Kc8 34. Qxe6+ Kc7 35. Qd6+ Kc8 36. e6 Nd3+ 37. Kg3 Qd2 38. Qd7+ Kb8 39. Qd8+ Bc8 40. Qd6+ |
| ECO C00 in 1983 play it! yudasin leonid defeats black's shkljaev in 83 moves | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. c3 e5 6. Be2 g6 7. Qa4 Qe7 8. Qb3 dxe4 9. dxe4 Bg7 10. O-O O-O 11. Re1 b6 12. Qc2 Nb8 13. a4 a5 14. b4 Rd8 15. bxa5 bxa5 16. Ba3 Qe8 17. Bb5 Bd7 18. Rab1 Nc6 19. Nc4 Nh5 20. Red1 Qe6 21. Rxd7 Rxd7 22. Bxc6 Qxc6 23. Ncxe5 Qe6 24. Nxd7 Qxd7 25. Nd4 Re8 26. Rd1 Qc8 27. f3 Qa6 28. Qb3 c6 29. g3 Be5 30. Bc5 Rb8 31. Qa2 Nf6 32. Ne6 Qb7 33. Qc4 Nd7 34. f4 Bf6 35. e5 Nb6 36. Qd4 Be7 37. Rb1 fxe6 38. Bxe7 Qxe7 39. Rxb6 Rd8 40. Qe4 Rd1+ 41. Kg2 Rd2+ 42. Kf3 |
| ECO C03 in 1995 play it! yudasin leonid defeats black's lempert i in 91 moves | 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. Ngf3 Nf6 6. e5 Nfd7 7. c3 Nc6 8. O-O a5 9. Qe2 cxd4 10. cxd4 Nb6 11. Rd1 Nb4 12. Bb1 a4 13. Ne1 Bd7 14. Qg4 g6 15. Ndf3 Nc4 16. a3 Nc6 17. Bd3 b5 18. Nc2 Bc8 19. Bg5 Ra7 20. Rab1 Bxg5 21. Nxg5 f5 22. exf6 Qxf6 23. Nxh7 Raxh7 24. Bxg6+ Ke7 25. Bxh7 Rxh7 26. b3 axb3 27. Rxb3 Rg7 28. Qe2 Kd6 29. Rxb5 Ba6 30. Rbb1 Qg6 31. Ne1 Nxd4 32. Qd3 Qxd3 33. Rxd3 Ne2+ 34. Kh1 Nf4 35. Rg3 Rh7 36. Rg8 Bb7 37. g3 d4+ 38. Rxb7 Rxb7 39. gxf4 Rb1 40. Rg1 Nb2 41. Nf3 Rxg1+ 42. Kxg1 d3 43. Nd2 Na4 44. Kg2 Nc3 45. Kf3 Nd5 46. Ke4 |
| ECO C00 in 1997 play it! yudasin leonid defeats black's gelman charles l in 83 moves | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. c3 Ba6 6. Be2 Be7 7. O-O O-O 8. e5 Nfd7 9. Re1 c5 10. Nf1 Nc6 11. Bf4 Rb8 12. Qa4 Qc8 13. Bg3 c4 14. d4 b5 15. Qc2 b4 16. Bh4 Re8 17. Bxe7 Rxe7 18. Qd2 f6 19. exf6 Nxf6 20. Ng3 bxc3 21. bxc3 Reb7 22. Bd1 Nd8 23. Bc2 Bb5 24. Re2 Be8 25. Qc1 Qc7 26. Ng5 Qd6 27. f4 g6 28. Qe3 Rb2 29. a4 Bd7 30. h4 Qf8 31. h5 gxh5 32. f5 Ng4 33. Qf3 exf5 34. Qxd5+ Nf7 35. Qxd7 Nxg5 36. Rae1 Rd8 37. Qc6 Qd6 38. Re8+ Kf7 39. R1e7+ Qxe7 40. Rxe7+ Kxe7 41. Nxf5+ Kf7 42. Qc7+ |
| ECO C11 in 1989 play it! yudasin leonid defeats black's padevsky nikola in 45 moves | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. O-O-O Bb7 12. Kb1 b4 13. Ne2 Ne4 14. Qe3 O-O 15. Ng3 Qa5 16. Nxe4 dxe4 17. Ng5 Ne7 18. Bc4 Nd5 19. Qh3 h6 20. Nxe6 Nc3+ 21. bxc3 bxc3 22. Qg4 fxe6 23. Rd7 |
