[Event "Interzonal-15"]
[Site "Manila"]
[Date "1990.??.??"]
[Round "6"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2545"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 d6 7. Bg2 Nxd4 8. Qxd4 Bd7 9. a4 a6 10. Be3 Nf6 11. Qb6 Qxb6 12. Bxb6 Bc6 13. O-O Be7 14. Rfe1 Rc8 15. Rad1 O-O 16. f4 Nd7 17. Bd4 Rfe8 18. b3 g6 19. Bf1 Bd8 20. Na2 f5 21. exf5 gxf5 22. c4 Nf6 23. Nc3 Kf7 24. b4 Ne4 25. b5 Nxc3 26. Bxc3 axb5 27. axb5 Bxb5 28. cxb5 Rxc3 29. Rxd6 Be7 30. Rd7 b6 31. Ra1 Kf6 32. Bg2 Bc5+ 33. Kh1 h5 34. Bc6 Re7 35. Re1 h4 36. Rxe7 Kxe7 37. Kg2 Rc2+ 38. Kh3 Bf2 39. Rf1 Kf6 40. Kxh4 Bg1 41. g4 Bxh2 42. g5+ Kg6 43. Be8+ Kg7 44. Kh3 Rd2 45. Bc6 e5 46. fxe5 Kg6 47. Bd7 Rxd7 48. Kxh2 Kxg5 49. Rg1+ Kf4 50. Rg6 Rb7 51. Rc6 Kf3 52. e6 f4 53. Rc3+ Ke2 54. Rc2+ Ke3 55. Rc3+ Ke2 56. Rc2+ Ke3 57. Rc3+ 1/2-1/2