| ECO A04 in 1973 play it! sosonko gennadi defeats black's van der weide pi in 69 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 d6 4. d4 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Na6 8. Nbd2 c6 9. a3 Bd7 10. b4 Nc7 11. c4 Qe8 12. Qb3 h6 13. Rae1 Qf7 14. e4 fxe4 15. Nxe4 b5 16. Ned2 Be6 17. Rc1 bxc4 18. Nxc4 Bd5 19. Qd3 Ne6 20. Na5 Nh5 21. Nh4 g5 22. Bxd5 cxd5 23. Ng2 Nf6 24. f3 Rfe8 25. Nc6 Nd8 26. Na5 Qe6 27. Ne3 Qd7 28. Qg6 e6 29. f4 Qf7 30. Qd3 Qh5 31. Rc7 Ne4 32. f5 Qh3 33. f6 Nxg3 34. Rxg7+ Kf8 35. Rg8+ |
| ECO A16 in 1982 play it! sosonko gennadi defeats black's torre eugenio in 57 moves | 1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. d4 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Qf3 Qxd4 11. Qxf7+ Kd8 12. Bg5+ Kc8 13. Qxe6+ Nd7 14. Qxd7+ Qxd7 15. Nxd7 Nxc3 16. bxc3 Bxc3+ 17. Kd1 Bxa1 18. Nc5 b6 19. Ne6 b5 20. Be2 a6 21. Rf1 h6 22. Bh4 Kd7 23. Nc5+ Kd6 24. Nb7+ Ke5 25. Bg3+ Ke6 26. Bg4+ Ke7 27. Bd6+ Ke8 28. Bh5+ Kd7 29. Re1 |
| ECO A57 in 1984 play it! sosonko gennadi defeats black's piasetski leon in 83 moves | 1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 bxc4 5. Nc3 g6 6. e4 d6 7. Bxc4 Ba6 8. Bb5+ Bxb5 9. axb5 Bg7 10. Nf3 O-O 11. O-O Ne8 12. Qe2 Nd7 13. Bf4 Nc7 14. h4 Nb6 15. Rfd1 Qd7 16. e5 Nc8 17. Ra5 Rb8 18. g3 Qf5 19. Kg2 Rb7 20. Ra4 h6 21. Be3 Qd7 22. Ra5 Nb6 23. Bf4 Rfb8 24. Qe4 Nc8 25. e6 Qe8 26. h5 g5 27. Bxg5 fxe6 28. dxe6 Nxb5 29. Nd5 Nc7 30. Qg4 Kh8 31. Bc1 Nxd5 32. Rxd5 Rb4 33. Qf5 Rc4 34. Rd1 Rbb4 35. Ra3 Rxc1 36. Rxc1 Bxb2 37. Rcc3 Bxc3 38. Rxc3 Nb6 39. Nh4 Nc4 40. Ng6+ Kg7 41. Rf3 Rb8 42. Qg4 |
| ECO E73 in 1974 play it! sosonko gennadi defeats black's ligterink gert in 69 moves | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 c5 12. Rb1 fxe4 13. Nxe4 Nf6 14. Nxf6+ Bxf6 15. b4 b6 16. bxc5 bxc5 17. Bg4 Nf5 18. Qa4 a5 19. f3 Bd7 20. Qa3 e4 21. fxe4 Bd4+ 22. Nf2 Nh4 23. Bxd7 Qxd7 24. Qg3 Qe7 25. Rbe1 Be5 26. Qg4 Rae8 27. Bg5 Bf6 28. Bxf6 Qxf6 29. Qg3 g5 30. e5 dxe5 31. Ne4 Qg6 32. Rxf8+ Rxf8 33. Qxe5 h6 34. d6 g4 35. d7 |
| ECO E17 in 1980 play it! sosonko gennadi defeats black's enklaar bertus f in 47 moves | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nd4 Bc6 9. cxd5 Bxd5 10. Bxd5 Nxd5 11. e4 Nb4 12. Nc3 Re8 13. Nf5 Bf8 14. Re1 a5 15. a3 N4c6 16. Nd5 Na6 17. Bf4 Ne5 18. Qe2 Ng6 19. Bd2 Nc5 20. f3 c6 21. Nf4 d5 22. Bc3 Nxf4 23. gxf4 dxe4 24. Nh6+ |
| ECO E00 in 1985 play it! sosonko gennadi defeats black's hmadi slaheddine in 61 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7 11. Re1 Rb8 12. e4 b5 13. axb5 axb5 14. Bf1 Ng4 15. Nxb5 Nde5 16. h3 Nxf3+ 17. Qxf3 Ne5 18. Qe2 Rxb5 19. Qxb5 Nf3+ 20. Kh1 Nxe1 21. Qe2 Re8 22. Qxe1 f5 23. Ra8 Rxe4 24. Be3 Re8 25. b4 Bd4 26. Bb5 Rf8 27. Bh6 Bg7 28. Bxg7 Kxg7 29. Ba6 Qc7 30. Qa1+ Kh6 31. Bxc8 |
| ECO E00 in 1977 play it! sosonko gennadi defeats black's jelen igor in 65 moves | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O a5 9. Nb1 e5 10. dxe5 dxe5 11. Nc3 O-O 12. Nd5 Nxd5 13. cxd5 Rd8 14. Qb3 Nb4 15. e4 Bg4 16. Rfc1 c6 17. a3 Na6 18. dxc6 bxc6 19. Rxc6 Bd7 20. Rc3 Rab8 21. Qc2 Rb6 22. Nd2 Be6 23. Rc1 Rbd6 24. Nf1 Qa7 25. Rc6 Qb8 26. Rxd6 Rxd6 27. Ne3 Rb6 28. Qa4 Rb5 29. b4 axb4 30. Qxa6 b3 31. Rb1 b2 32. Nd1 h6 33. Bf1 |
| ECO A56 in 1977 play it! sosonko gennadi defeats black's reshevsky samuel in 83 moves | 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 e6 7. Nf3 O-O 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Qd2 Bf5 15. Nxb5 Nd7 16. O-O Qb6 17. Bc4 Nde5 18. Nxe5 Nxe5 19. d6+ Nxc4 20. Qd5+ Kg7 21. Bxf6+ Rxf6 22. Qxc4 Rb8 23. Rae1 Rf7 24. Re7 Rxe7 25. dxe7 h5 26. Re1 Bd7 27. a4 Re8 28. Qc3+ Kh7 29. Qf3 Kg7 30. Qc3+ Kh7 31. Qc4 Kg7 32. h3 Bxb5 33. axb5 Qd6 34. Qe2 Kf7 35. Qf3+ Kg7 36. Qc6 Qd4+ 37. Kh1 Qf2 38. Re4 Qf7 39. Qxc5 Kh7 40. Qxa7 Qf1+ 41. Kh2 Qxb5 42. b4 |
| ECO E00 in 1976 play it! sosonko gennadi defeats black's smejkal jan in 65 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 a6 11. a4 Bg4 12. Qd2 Bxf3 13. Bxf3 Qc7 14. Rfc1 Nbd7 15. b4 Ne5 16. Bxe5 Rxe5 17. bxc5 Qxc5 18. Rab1 Qc7 19. Qb2 Rb8 20. Ne4 Qd7 21. Nc5 Qh3 22. Nxa6 Rf8 23. Qxb7 Ng4 24. Bxg4 Qxg4 25. e3 Qh3 26. Rc2 Rh5 27. f4 Qf5 28. Qb3 Qe4 29. Rd1 Ra8 30. Nb4 Rb8 31. Rc4 Qf3 32. Qd3 Bc3 33. Rf1 |
| ECO E73 in 1979 play it! sosonko gennadi defeats black's ligterink gert in 55 moves | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5 11. Na4 Re8 12. h3 Bf8 13. Be3 Rb8 14. Rc1 b6 15. Qc2 Nc5 16. Nxc5 bxc5 17. Rcd1 Qc7 18. Qd2 a4 19. Qd6 Qxd6 20. Rxd6 Kg7 21. Rxc6 Rxb2 22. Rxc5 Nd7 23. Rc7 Rxa2 24. c5 Rb2 25. Ra1 Rb7 26. Rxb7 Bxb7 27. Bb5 Re7 28. c6 |
| ECO E00 in 1984 play it! sosonko gennadi defeats black's adorjan andras in 107 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 b5 6. Bg2 d6 7. b4 cxb4 8. a3 bxa3 9. Nxa3 Qd7 10. Qb3 Na6 11. Qxb5 Rb8 12. Qxd7+ Bxd7 13. Nc2 Nc5 14. Rxa7 Be7 15. Nf3 Nxd5 16. Nfd4 Nc3 17. Nc6 Rc8 18. Nxe7 Kxe7 19. Nd4 N3e4 20. O-O g6 21. f3 Nc3 22. Bg5+ f6 23. Bd2 Nd5 24. f4 Nb6 25. Rd1 Rhe8 26. Nb5 Nc4 27. Bb4 Rb8 28. Bc6 Rb6 29. Bxd7 Nxd7 30. Nc7 Reb8 31. Nd5+ Ke6 32. Nxb6 Rxb6 33. Bc3 Ne3 34. Rc1 Nd5 35. Bd4 Rb4 36. e4 Ne7 37. Bf2 Nb8 38. e5 fxe5 39. fxe5 Nec6 40. Rxh7 Nxe5 41. Rc8 Nbd7 42. Rc2 Nf6 43. Ra7 Ne4 44. Ra3 d5 45. Re2 Kf5 46. Kg2 Rb1 47. h3 Nc4 48. Ra8 Rb3 49. Rf8+ Kg5 50. Rf3 Rb5 51. Bd4 Rb1 52. Rf4 Rd1 53. Rexe4 Rd2+ 54. Kf1 |
| ECO E11 in 1967 play it! sosonko gennadi defeats black's ivanov alexander in 79 moves | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Bd7 9. Qe2 Bc6 10. Rd1 Nbd7 11. Bd2 Rc8 12. a3 Bxf3 13. gxf3 Bxc3 14. Bxc3 Nd5 15. Bxd5 exd5 16. dxc5 Nxc5 17. e4 Ne6 18. Qe3 Rc5 19. f4 Re8 20. f5 Qg5+ 21. Qg3 Qxg3+ 22. hxg3 Ng5 23. exd5 Rd8 24. Kg2 h5 25. Rh1 Rdxd5 26. Rxh5 Rxf5 27. Bd4 Rb5 28. a4 Rbd5 29. Bxa7 g6 30. Rh4 Ne6 31. Rb4 Rd7 32. Be3 Kf8 33. Rb6 Ra5 34. b4 Ra6 35. b5 Rxb6 36. Bxb6 Rd5 37. Rc1 Ke7 38. Rc8 Kd7 39. Rb8 Rd6 40. a5 |
| ECO E00 in 1984 play it! sosonko gennadi defeats black's murshed niaz in 61 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 d4 8. O-O Nc6 9. e3 Be7 10. exd4 exd4 11. Bf4 O-O 12. Ne5 Qb6 13. Qb3 Na5 14. Qxb6 axb6 15. Nd2 Bf5 16. Nb3 Rfd8 17. Nxa5 bxa5 18. Bxb7 Rab8 19. Bf3 Rxb2 20. Nc6 Rd7 21. Nxa5 d3 22. Rfb1 Rxb1+ 23. Rxb1 h6 24. a4 Bg4 25. Kg2 d2 26. Rd1 Bb4 27. Nc6 Bc3 28. a5 g5 29. Bxg4 Nxg4 30. Bxd2 Bxd2 31. a6 |
| ECO E00 in 1982 play it! sosonko gennadi defeats black's csom istvan in 85 moves | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O Re8 10. Rac1 h6 11. Nd5 Nxd5 12. cxd5 e4 13. Ne1 c6 14. dxc6 bxc6 15. Rc3 d5 16. f3 f5 17. Nc2 a5 18. Bh3 Ra7 19. Qf4 Rb7 20. b3 g5 21. Qd2 Bd7 22. fxe4 fxe4 23. Bxd7 Qxd7 24. Ne3 Rf8 25. Rxf8+ Kxf8 26. Rc1 Qd8 27. Nf5 Rh7 28. Rc5 Ra7 29. Nxh6 a4 30. b4 Rb7 31. a3 Rh7 32. Nf5 Rd7 33. g4 Rb7 34. Rc1 Qf6 35. Qe3 Kg8 36. Rf1 Rh7 37. Ng3 Qe7 38. Rf5 Rg7 39. Re5 Qd8 40. Nf5 Nd7 41. Re6 Rh7 42. Rxc6 Nf8 43. Qc1 |
| ECO E00 in 1996 play it! sosonko gennadi defeats black's lepelletier b in 77 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 d4 8. O-O Nc6 9. e3 Be7 10. exd4 exd4 11. Bf4 O-O 12. Ne5 Nxe5 13. Bxe5 Bc5 14. Nd2 Re8 15. Re1 Bf5 16. Qf3 Bc2 17. Qxb7 Ng4 18. Qxa8 Qxa8 19. Bxa8 Nxe5 20. Bd5 Kf8 21. Kg2 d3 22. Nf3 f6 23. a3 a5 24. Re4 Nxf3 25. Rxe8+ Kxe8 26. Bxf3 Bd4 27. Re1+ Kd8 28. b4 Bc3 29. Re3 f5 30. bxa5 Kc7 31. Re7+ Kd6 32. a6 g5 33. a7 g4 34. a8=Q Kxe7 35. Qb7+ Kf6 36. Qb6+ Kg7 37. Qc7+ Kg6 38. Qd6+ Kg7 39. Bd1 |
| ECO A46 in 2002 play it! sosonko gennadi defeats black's kuijpers francis in 57 moves | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Nc3 c6 8. Ne5 Nbd7 9. Nxc4 Nb6 10. Ne5 Nfd7 11. Nf3 c5 12. Bf4 a6 13. Rc1 cxd4 14. Qxd4 Bf6 15. Qd3 Bxc3 16. bxc3 Re8 17. c4 Na4 18. Qa3 e5 19. Be3 Nab6 20. Rfd1 Rb8 21. Ng5 h6 22. Ne4 Qc7 23. c5 Na8 24. Nd6 Rf8 25. c6 bxc6 26. Rxc6 Qd8 27. Nxc8 Rxc8 28. Rxc8 Qxc8 29. Bxa8 |
| ECO E00 in 1980 play it! sosonko gennadi defeats black's abreu jorge dom in 95 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 d5 5. cxd5 exd5 6. Bg2 Nc6 7. Nc3 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Na5 13. Ncb5 Rf8 14. Nc7 Rb8 15. Ndb5 a6 16. Nc3 d4 17. Bxd4 Qxc7 18. Nd5 Qd7 19. Rc7 Qxd5 20. Bxd5 Nxd5 21. Bc5 Nxc7 22. Bxe7 Bh3 23. Bxf8 Rxf8 24. Re1 Nc6 25. f3 Be6 26. a3 Nb5 27. Kf2 Nbd4 28. e3 Nb3 29. Qc2 Rc8 30. Rd1 Nca5 31. Qe4 Nc5 32. Qh4 Nab3 33. Rd8+ Rxd8 34. Qxd8+ Kh7 35. e4 b5 36. Ke3 Na4 37. f4 Nxb2 38. f5 Bc4 39. e5 Nd3 40. e6 fxe6 41. fxe6 Ne5 42. e7 Ng4+ 43. Kf4 Nf6 44. e8=Q Nxe8 45. Qxe8 Nc5 46. Qc8 Ne6+ 47. Ke3 a5 48. a4 |
| ECO E00 in 1984 play it! sosonko gennadi defeats black's hun adorjan andr in 107 moves | 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 b5 6. Bg2 d6 7. b4 cxb4 8. a3 bxa3 9. Nxa3 Qd7 10. Qb3 Na6 11. Qxb5 Rb8 12. Qxd7+ Bxd7 13. Nc2 Nc5 14. Rxa7 Be7 15. Nf3 Nxd5 16. Nfd4 Nc3 17. Nc6 Rc8 18. Nxe7 Kxe7 19. Nd4 g6 20. O-O N3e4 21. f3 Nc3 22. Bg5+ f6 23. Bd2 Nd5 24. f4 Nb6 25. Rd1 Rhe8 26. Nb5 Nc4 27. Bb4 Rb8 28. Bc6 Rb6 29. Bxd7 Nxd7 30. Nc7 Reb8 31. Nd5+ Ke6 32. Nxb6 Rxb6 33. Bc3 Ne3 34. Rc1 Nd5 35. Bd4 Rb4 36. e4 Ne7 37. Bf2 Nb8 38. e5 fxe5 39. fxe5 Nec6 40. Rxh7 Nxe5 41. Rc8 Nbd7 42. Rc2 Nf6 43. Ra7 Ne4 44. Ra3 d5 45. Re2 Kf5 46. Kg2 Rb1 47. h3 Nc4 48. Ra8 Rb3 49. Rf8+ Kg5 50. Rf3 Rb5 51. Bd4 Rb1 52. Rf4 Rd1 53. Rexe4 Rd2+ 54. Kf1 |
| ECO A56 in 1977 play it! sosonko gennadi defeats black's reshevsky samuel in 83 moves | 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 e6 7. Nf3 O-O 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14. Qd2 Bf5 15. Nxb5 Nd7 16. O-O Qb6 17. Bc4 Nde5 18. Nxe5 Nxe5 19. d6 Nxc4 20. Qd5+ Kg7 21. Bxf6+ Rxf6 22. Qxc4 Rb8 23. Rae1 Rf7 24. Re7 Rxe7 25. dxe7 h5 26. Re1 Bd7 27. a4 Re8 28. Qc3+ Kh7 29. Qf3 Kg7 30. Qc3+ Kh7 31. Qc4 Kg7 32. h3 Bxb5 33. axb5 Qd6 34. Qe2 Kf7 35. Qf3+ Kg7 36. Qc6 Qd4+ 37. Kh1 Qf2 38. Re4 Qf7 39. Qxc5 Kh7 40. Qxa7 Qf1+ 41. Kh2 Qxb5 42. b4 |
| ECO A57 in 1984 play it! sosonko gennadi defeats black's morrison graham in 65 moves | 1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 bxc4 5. Nc3 g6 6. e4 d6 7. Bxc4 Bg7 8. Nf3 O-O 9. O-O Ba6 10. Bb5 Bxb5 11. axb5 a5 12. Qe2 Nbd7 13. Rd1 Qb8 14. h3 Qb7 15. Bf4 Nb6 16. Ra2 Rfe8 17. Rda1 e6 18. Bxd6 exd5 19. e5 Ne4 20. Nxe4 dxe4 21. Nd2 Bxe5 22. Bxc5 Bg7 23. Rxa5 Rac8 24. Ra7 Qb8 25. Nb3 Nd5 26. Qc4 Nc7 27. b6 Ne6 28. b7 Rcd8 29. Bb6 Bxb2 30. Rb1 Be5 31. Na5 Qd6 32. Bxd8 Qxd8 33. Nc6 |