[Event "Philadelphia World op"] [Site "Philadelphia"] [Date "1991.??.??"] [Round "?"] [White "Gulko, Boris"] [Black "Gurevich, Ilya"] [Result "1-0"] [WhiteElo "2565"] [BlackElo "2495"] [ECO "D97"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6 8. Qa4 c5 9. d5 Qb6 10. Bxa6 bxa6 11. O-O e6 12. Rd1 Bb7 13. Bg5 exd5 14. exd5 Qxb2 15. Rab1 Qxc3 16. Rxb7 Rfb8 17. Rxb8+ Rxb8 18. d6 h6 19. Be3 Nd5 20. d7 Bf6 21. Bxh6 Nb6 22. Qe4 Rd8 23. Qe8+ Kh7 24. Bd2 Qc4 25. Bg5 Nxd7 26. Qe1 Qa4 27. Bxf6 Re8 28. Ng5+ Kh6 29. Nxf7+ Kh7 30. Ng5+ Kh6 31. Nf7+ Kh7 32. Qd2 Nxf6 33. Qh6+ Kg8 34. Qxg6+ Kf8 35. Rf1 Qc6 36. Ng5 Re7 37. Rd1 Rg7 38. Qf5 Re7 39. h4 Kg7 40. h5 1-0

[Event "Philadelphia World op"] [Site "Philadelphia"] [Date "1991.??.??"] [Round "?"] [White "Gulko, Boris"] [Black "Gruenfeld, Yehuda"] [Result "1-0"] [WhiteElo "2565"] [BlackElo "2505"] [ECO "E59"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Ba2 Rd8 12. Qc2 Na5 13. Qe2 Nd5 14. Bd2 b6 15. Rac1 Bb7 16. Ne5 Nf6 17. f3 Qe7 18. Rfd1 Rac8 19. Be1 cxd4 20. exd4 Nd5 21. c4 Nf4 22. Qe3 Nh5 23. Bb4 Qe8 24. Bxa5 bxa5 25. Rb1 Rc7 26. Qd2 a4 27. Qa5 Re7 28. Nxf7 Rxf7 29. Qxh5 g6 30. Qe5 Qe7 31. c5 Bc8 32. Rb8 Rf5 33. Bxe6+ 1-0

[Event "Philadelphia World op"] [Site "Philadelphia"] [Date "1991.??.??"] [Round "6"] [White "Shneider, Aleksandr"] [Black "Gulko, Boris"] [Result "0-1"] [WhiteElo "2540"] [BlackElo "2565"] [ECO "E62"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d5 Na5 8. Nfd2 c6 9. Nc3 cxd5 10. cxd5 Bd7 11. b4 Qc7 12. bxa5 Qxc3 13. Nb3 Rfc8 14. Be3 Bb5 15. Re1 Nd7 16. Bh3 Rc4 17. Rc1 Qb4 0-1