| ECO C54 in 1988 play it! yudasin leonid defeats black's egin vladimir in 53 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. O-O O-O 8. Bg5 h6 9. Bh4 Be6 10. Nbd2 Qe7 11. Kh1 g5 12. Nxg5 hxg5 13. Bxg5 Bxc4 14. Nxc4 Qe6 15. f4 exf4 16. Rxf4 Nh7 17. Bh4 Kh8 18. Qh5 Qg6 19. Bf6+ Kg8 20. Rg4 Nxf6 21. Rxg6+ fxg6 22. Qxg6+ Kh8 23. d4 Rae8 24. e5 dxe5 25. b5 exd4 26. bxc6 bxc6 27. cxd4 |
| ECO C92 in 1987 play it! yudasin leonid defeats black's rusakov jurij in 64 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Qd7 10. d4 Re8 11. Bg5 h6 12. Bh4 g5 13. Bg3 Bf8 14. Nbd2 Bg7 15. a4 Bb7 16. dxe5 Nxe5 17. Bc2 Nc4 18. Nxc4 bxc4 19. Nd2 Re7 20. a5 Rae8 21. e5 d5 22. f4 Nh7 23. Nf3 f6 24. Bg6 Rf8 25. Qc2 f5 26. Bf2 Qc6 27. Bxf5 Rxf5 28. Qxf5 Rf7 29. Qg4 Rxf4 30. Nd4 Qc5 31. Qe6+ Kh8 32. Re2 Rf8 |
| ECO C92 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 d6 8. c3 O-O 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 |
| ECO C68 in 1993 play it! yudasin leonid defeats black's tseitlin mark in 95 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. Na3 Be6 7. Qe2 f6 8. Rd1 c5 9. c3 Bg4 10. h3 Bxf3 11. Qxf3 Ne7 12. d4 cxd4 13. cxd4 exd4 14. Bf4 Qe6 15. Bxc7 Nc6 16. Nc2 Bc5 17. Qh5+ Qf7 18. Qxc5 Qxc7 19. Nxd4 Qe7 20. Qh5+ Qf7 21. Qxf7+ Kxf7 22. Nxc6 bxc6 23. Rd7+ Kg6 24. Rc1 Rhe8 25. f3 Rec8 26. Rd6 c5 27. b3 a5 28. Rd5 a4 29. Rcxc5 Rcb8 30. Rb5 Rc8 31. Rd7 Rc2 32. bxa4 Rxa2 33. Rbb7 Rg8 34. Ra7 h5 35. h4 Kh6 36. Kh2 g5 37. hxg5+ Kxg5 38. Rg7+ Rxg7 39. Rxg7+ Kh4 40. Ra7 Kg5 41. a5 Ra1 42. a6 h4 43. Ra8 Kf4 44. a7 h3 45. Rf8 hxg2 46. Rxf6+ Ke3 47. Kxg2 Rxa7 48. e5 |
| ECO C88 in 1983 play it! yudasin leonid defeats black's plachetka jan in 49 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. a4 b4 9. c3 d5 10. exd5 e4 11. dxc6 exf3 12. d4 fxg2 13. Bg5 Re8 14. Qf3 Bg4 15. Qxg2 Bf5 16. Nd2 bxc3 17. bxc3 Rb8 18. Re5 Bg6 19. Rae1 Kf8 20. h4 Ng8 21. Qf3 f6 22. h5 Bxh5 23. Qxh5 Rxb3 24. Nxb3 fxe5 25. Nc5 |
| ECO C42 in 1995 play it! yudasin leonid defeats black's rozentalis e in 99 moves | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bb4 7. Ne2 O-O 8. c3 Ba5 9. d3 d5 10. Bg5 dxe4 11. dxe4 Qd6 12. Rd1 Qa6 13. Bxf6 Qxf6 14. Qxf6 gxf6 15. Bd7 Bxd7 16. Rxd7 Rfd8 17. Rxd8+ Rxd8 18. Ng3 Kf8 19. Nf5 Ke8 20. h4 Kd7 21. Rh3 Rg8 22. Rd3+ Ke6 23. g3 Bb6 24. Rd5 a6 25. c4 Ba7 26. c5 Bb8 27. c6 bxc6 28. Ra5 Ba7 29. Rxa6 Bb6 30. Ra4 Rb8 31. b3 Bc5 32. Rc4 Bb4+ 33. Ke2 Kd7 34. Kf3 Bf8 35. Kg4 Rb6 36. Ra4 Rb8 37. Ne3 Bc5 38. Nd1 Ke6 39. Rc4 Rg8+ 40. Kh5 Kd6 41. Kh6 Bd4 42. Rc2 c5 43. Re2 c4 44. Kxh7 Rg6 45. bxc4 Kc5 46. Ne3 Kb4 47. a4 c5 48. h5 Rg5 49. Nd5+ Kxc4 50. Nxf6 |
| ECO C70 in 1999 play it! yudasin leonid defeats black's efimov igor in 83 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. O-O Bg7 6. c3 d6 7. d4 Bd7 8. Be3 Nf6 9. dxe5 dxe5 10. Nbd2 O-O 11. b4 Re8 12. Qc2 Ng4 13. Bg5 Bf6 14. Bxf6 Nxf6 15. Rfd1 Qe7 16. Nf1 b5 17. Bb3 Bg4 18. Qe2 Nd8 19. Ne3 Bxf3 20. Qxf3 c6 21. a4 Ne6 22. h4 h5 23. g3 Kg7 24. Nc2 Red8 25. Ne1 Rxd1 26. Rxd1 a5 27. axb5 cxb5 28. Bd5 Ra7 29. Qe3 axb4 30. Bxe6 fxe6 31. cxb4 Rd7 32. Rxd7 Qxd7 33. Nf3 Qd1+ 34. Kg2 Qd6 35. Ng5 Nd7 36. Qf3 Qe7 37. Qd3 Nf8 38. Qxb5 Kf6 39. Qb8 Nd7 40. Qc8 Kg7 41. b5 Nb6 42. Qc6 |
| ECO C77 in 2003 play it! yudasin leonid defeats black's friedel josh in 67 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. O-O d6 8. c3 O-O 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bb6 12. Nbd2 Qe8 13. Re1 Ne7 14. a4 Rb8 15. axb5 axb5 16. Nf1 Ng6 17. Ne3 Kh7 18. Bc2 Nf4 19. d4 Ng8 20. Nd5 f6 21. Bxf4 gxf4 22. Nh4 Ne7 23. g3 fxg3 24. hxg3 Be6 25. Kg2 Qf7 26. Nxe7 Qxe7 27. Bb3 Bd7 28. Nf5 Bxf5 29. exf5 c6 30. Qh5 Qg7 31. Re4 Qg5 32. Qh3 Qd2 33. Rd1 Qxb2 34. Rg4 |
| ECO C63 in 1982 play it! yudasin leonid defeats black's inkiov ventzisla in 25 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. O-O Bc5 7. Nc3 O-O 8. a3 d6 9. Na4 Bb6 10. Nxb6 axb6 11. c3 Kh8 12. Re1 Qe8 13. Qc2 |
| ECO C55 in 1985 play it! yudasin leonid defeats black's klovans janis in 67 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. c3 d6 7. Bb3 Be6 8. Ba4 Nd7 9. d4 exd4 10. Bxc6 bxc6 11. Nxd4 c5 12. Nxe6 fxe6 13. Qb3 Rf6 14. f4 Qf8 15. Na3 Rb8 16. Qd1 Qc8 17. Nc4 Qb7 18. Re1 Rg6 19. g3 Nf6 20. Qd3 Bf8 21. b3 Re8 22. Bd2 e5 23. fxe5 dxe5 24. Re2 h5 25. h3 Bd6 26. Rf1 Rf8 27. Rf5 Qa8 28. Kh2 Qc8 29. Qf3 Qe6 30. Kg2 Rf7 31. Rf2 Rd7 32. Bg5 Nh7 33. Bh4 Be7 34. Rxe5 |
| ECO C80 in 1981 play it! yudasin leonid defeats black's chekhov valery in 71 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5 Nxe5 8. dxe5 d5 9. Bb3 c6 10. Be3 Be7 11. Nd2 Bf5 12. Nf3 Bg4 13. h3 Bh5 14. c3 Bc5 15. Bxc5 Nxc5 16. Bc2 O-O 17. Re1 Re8 18. a4 bxa4 19. Qd4 Bxf3 20. Qxc5 Qg5 21. g3 Qh5 22. Qe3 g6 23. Qf4 g5 24. Qf5 Rab8 25. Re3 Rxb2 26. g4 Qg6 27. Qxg6+ hxg6 28. Bxa4 Be4 29. Bxc6 Rxe5 30. c4 Re6 31. cxd5 Rxc6 32. dxc6 Bxc6 33. Rc1 Bb5 34. Re5 a5 35. Rc8+ Kg7 36. Rb8 |
| ECO C54 in 1989 play it! yudasin leonid defeats black's tseitlin mikhail in 85 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. a4 a6 8. O-O O-O 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg4 12. a5 Ba7 13. h3 Bh5 14. Nbd2 Bg6 15. Qb3 Nh5 16. Bh2 Nf4 17. b5 axb5 18. Qxb5 Nxa5 19. Bxf4 gxf4 20. Qxa5 Bxf2+ 21. Kxf2 Rxa5 22. Rxa5 c6 23. Rfa1 d5 24. exd5 b5 25. Bb3 Qb6+ 26. d4 e4 27. Ra6 Qd8 28. dxc6 exf3 29. Nxf3 Be4 30. Ra8 Qxa8 31. Rxa8 Rxa8 32. Ne5 Kf8 33. Nd7+ Ke7 34. Nb6 Ra3 35. c7 Bf5 36. Bd1 Ra2+ 37. Kf3 Kd6 38. c8=Q Bxc8 39. Nxc8+ Kd7 40. Nb6+ Kc6 41. Nd5 Ra3 42. Ke4 Kd6 43. Bf3 |
| ECO C67 in 1990 play it! yudasin leonid defeats black's rogers i in 81 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 h6 11. h3 Be7 12. Ne2 g5 13. b3 Be6 14. g4 Ng7 15. Ng3 c5 16. Ne4 Rd8 17. Ba3 Bd5 18. Nf6+ Bxf6 19. exf6 Ne6 20. Ne5 b6 21. c4 Bb7 22. Rxd8+ Nxd8 23. Rd1 Nc6 24. Bb2 Nb8 25. Ng6 Rg8 26. Ne7 Rh8 27. Be5 Nc6 28. Nxc6 Bxc6 29. Bxc7 Bd7 30. f3 h5 31. Kh2 hxg4 32. fxg4 Rh6 33. Rd6 Rg6 34. Kg3 Rh6 35. a3 Rg6 36. b4 Rh6 37. b5 Rg6 38. a4 Rh6 39. Bb8 Be6 40. Bxa7 Rxf6 41. a5 |
| ECO C88 in 1985 play it! yudasin leonid defeats black's kuporosov victor in 78 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. a4 Bb7 9. d3 d6 10. Nc3 Na5 11. Ba2 b4 12. Ne2 c5 13. Ng3 Rb8 14. Nd2 Bc8 15. h3 Be6 16. Nc4 Nc6 17. f4 exf4 18. Bxf4 Rc8 19. Nf5 Bxf5 20. exf5 d5 21. Ne3 h6 22. Bg3 Re8 23. Qf3 Nd4 24. Qf2 c4 25. c3 Nc6 26. Rad1 cxd3 27. Qf3 Bc5 28. Rxd3 Qb6 29. Kf1 bxc3 30. Nxd5 Rxe1+ 31. Bxe1 Qxb2 32. Nxf6+ gxf6 33. Bxf7+ Kxf7 34. Qd5+ Kf8 35. Qxc5+ Ne7 36. Qd4 Rc6 37. Re3 Qb8 38. Rxc3 Nxf5 39. Qd3 Qf4+ |
| ECO C88 in 1984 play it! yudasin leonid defeats black's agapov k in 75 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. a4 Bb7 9. d3 d6 10. Nc3 Na5 11. Ba2 b4 12. Ne2 Rb8 13. Ng3 Bc8 14. d4 Nc6 15. c3 bxc3 16. bxc3 Bg4 17. Be3 exd4 18. cxd4 Nb4 19. Bb1 Re8 20. h3 Bc8 21. a5 c5 22. Qc1 Rb5 23. dxc5 dxc5 24. Rd1 Nd7 25. Nf5 Rxa5 26. Rxa5 Qxa5 27. Bh6 gxh6 28. Qxh6 Bf8 29. Qg5+ Kh8 30. e5 Qa4 31. Rc1 Qc6 32. Qh4 h6 33. Nd6 Re6 34. Nd4 Rxd6 35. Nxc6 Rxc6 36. Qe4 Rg6 37. e6 Nf6 38. e7 |
| ECO C55 in 1987 play it! yudasin leonid defeats black's romanishin o in 85 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. c3 d6 7. Bb3 Na5 8. Bc2 c5 9. Nbd2 Be6 10. Re1 Qc7 11. Nf1 Rad8 12. h3 Nc6 13. Ng3 h6 14. Nh4 Nh7 15. Nhf5 Bg5 16. Bxg5 hxg5 17. Bb3 Bxb3 18. axb3 g6 19. Ne3 Kg7 20. Nd5 Qd7 21. Ra4 Rh8 22. Qf3 Qe6 23. b4 cxb4 24. Nxb4 Nxb4 25. Rxb4 Rd7 26. d4 Qf6 27. Qd1 Nf8 28. Qa4 a6 29. Rd1 Re7 30. Qb3 Ne6 31. Rxb7 Rxb7 32. Qxb7 exd4 33. cxd4 Nxd4 34. Qxa6 Rb8 35. Rd2 Qe5 36. Qa3 Rb3 37. Qa4 Rxg3 38. fxg3 Ne6 39. Kh2 g4 40. h4 g5 41. h5 Qf6 42. Qd7 Qh6 43. Qxd6 |
| ECO C55 in 1983 play it! yudasin leonid defeats black's mikhalchishin ad in 51 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. Re1 Bg7 8. Bb3 O-O 9. Nbd2 Re8 10. h3 d5 11. exd5 Nxd5 12. d4 Nb6 13. Nxe5 Nxe5 14. dxe5 Rxe5 15. Rxe5 Bxe5 16. Qf3 Qe7 17. Qe3 g5 18. h4 Bd6 19. Ne4 Bf4 20. Qf3 Bg4 21. Qxg4 Qxe4 22. g3 Qe1+ 23. Kg2 Bxc1 24. Qf5 gxh4 25. Qxf7+ Kh8 26. Bc2 |
| ECO C41 in 1982 play it! yudasin leonid defeats black's glatt gabor in 83 moves | 1. e4 e5 2. Nf3 d6 3. Bc4 Nd7 4. O-O Be7 5. Re1 Ngf6 6. c3 O-O 7. d4 c6 8. Bd3 Qc7 9. Nbd2 Re8 10. Nf1 Nf8 11. Ng3 Bg4 12. h3 Bxf3 13. Qxf3 Ne6 14. Nf5 Bf8 15. Be3 Kh8 16. Rad1 Ng8 17. Bc2 g6 18. Ng3 Rad8 19. Bb3 Rd7 20. d5 Nc5 21. Bxc5 dxc5 22. dxc6 bxc6 23. Rxd7 Qxd7 24. Rd1 Qe7 25. Bxf7 Rd8 26. Bb3 Nf6 27. Rxd8 Qxd8 28. Qe2 h5 29. Nf1 h4 30. Nd2 c4 31. Nxc4 Qe7 32. Nd2 Bh6 33. Nf3 Qc5 34. Nxh4 Kg7 35. g3 Bc1 36. Kg2 a5 37. Nf3 Qb5 38. Qc2 Bxb2 39. Qxb2 a4 40. c4 Qb4 41. Qxe5 axb3 42. axb3 |
| ECO C55 in 1982 play it! yudasin leonid defeats black's zsinka laszlo in 77 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bb3 d6 7. c3 Bg4 8. Nbd2 Qd7 9. h3 Bh5 10. Nc4 h6 11. Ne3 Nh7 12. g4 Bg6 13. Kg2 Ng5 14. Nh4 Ne6 15. Nhf5 Nf4+ 16. Kg3 Bxf5 17. Nxf5 g6 18. d4 gxf5 19. dxe5 Rfd8 20. Bxf4 dxe5 21. Bxh6 f4+ 22. Kg2 Qxd1 23. Rfxd1 Na5 24. g5 Nxb3 25. axb3 a6 26. Kf3 Kh7 27. Kg4 f6 28. h4 Kg6 29. gxf6 Bxf6 30. Bg5 Bxg5 31. hxg5 Rh8 32. Rh1 Rad8 33. b4 Rdf8 34. Rad1 Rxh1 35. Rxh1 f3 36. Rh6+ Kg7 37. Rf6 Rd8 38. Kxf3 Rd2 39. Re6 |
| ECO C24 in 1994 play it! yudasin leonid defeats black's alterman boris in 133 moves | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. c3 Bd6 7. Bg5 Be6 8. Nbd2 Nbd7 9. d4 exd4 10. exd5 Bxd5 11. Bxd5 cxd5 12. Nxd4 Qe7+ 13. Be3 O-O 14. Nf5 Qe5 15. Nxd6 Qxd6 16. O-O Rfe8 17. Nf3 a6 18. Qb3 Nc5 19. Qc2 Nce4 20. Rad1 Rac8 21. h3 h6 22. Rfe1 Qc7 23. Rd4 Nd6 24. Red1 Nc4 25. Bc1 b5 26. Nh2 Re4 27. Nf1 Rce8 28. Ne3 Rxd4 29. Rxd4 Nb6 30. Rd1 Qe5 31. Qd3 Qe4 32. Qxe4 Rxe4 33. f3 Re8 34. Kf2 Rc8 35. g4 Rc5 36. Nf5 Nc4 37. h4 Kh7 38. g5 Nd7 39. gxh6 g6 40. Ne3 Ncb6 41. h5 g5 42. Rg1 Ne5 43. Ke2 f6 44. Nf5 Nf7 45. f4 d4 46. fxg5 fxg5 47. Nxd4 Re5+ 48. Kd3 Nd7 49. Rf1 Nxh6 50. Nf3 Rd5+ 51. Kc2 Nf7 52. Nd4 Nd6 53. Re1 Kh6 54. Nf3 Kxh5 55. Nxg5 Kg6 56. Ne6 Kf7 57. Nc7 Rf5 58. Rd1 Ke7 59. Nxa6 Nc4 60. Nc7 Ndb6 61. b3 Na5 62. Be3 Nd7 63. Nd5+ Ke6 64. Nb4 Rh5 65. Bf4 Nb7 66. Nc6 Nb6 67. Re1+ |