[Event "Interzonal-15"]
[Site "Manila"]
[Date "1990.??.??"]
[Round "5"]
[White "De Firmian, Nick E"]
[Black "Dreev, Alexey"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2615"]

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. Be2 Qb6 10. Nd1 b4 11. O-O cxd4 12. Nxd4 Nxd4 13. Bxd4 Qxd4+ 14. Qxd4 Bc5 15. c3 bxc3 16. bxc3 Ke7 17. Ne3 Bxd4 18. cxd4 a5 19. Rac1 Ba6 20. Bxa6 Rxa6 21. f5 Rb8 22. Ng4 exf5 23. Ne3 Ke6 24. Nxf5 g6 25. Nh4 Rab6 26. Nf3 h6 27. Rc2 Rb1 28. Ne1 R8b4 29. Rc6+ Ke7 30. Nc2 Rb6 31. Rc7 Rb7 32. Rc8 Rb8 33. Rxb8 Rxb8 34. Ne3 Ke6 35. Rc1 Rb6 36. Rc8 f6 37. Re8+ Kf7 38. Rd8 Ke7 39. Rg8 Rb1+ 40. Kf2 fxe5 41. Rxg6 exd4 42. Nxd5+ Kf7 43. Rxh6 Ne5 44. Rf6+ Kg7 45. Re6 Rb2+ 46. Kg3 Re2 47. Nf4 Re3+ 48. Kh4 d3 49. Rd6 Re4 50. Kg3 Re3+ 51. Kh4 1/2-1/2