[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.15"]
[Round "8"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2540"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. O-O Nf6 6. Qe2 e6 7. Rd1 Be7 8. d4 cxd4 9. Nxd4 Qc7 10. Nc3 O-O 11. Bxc6 bxc6 12. b3 e5 13. Nf3 h6 14. Ba3 Be6 15. Nd2 Rfd8 16. Nc4 Rac8 17. a5 Bf8 18. a6 Rb8 19. Bb2 Bg4 20. f3 Bc8 21. Kh1 Nd7 22. Nb1 Nc5 23. Bc3 Qe7 24. Ne3 Qg5 25. Nf1 Rd7 26. Bd2 Qf6 27. b4 Ne6 28. c3 d5 29. exd5 cxd5 30. Qf2 d4 31. Ng3 Qd8 32. Re1 dxc3 33. Bxc3 f6 34. Qa2 Rd6 35. Nd2 Rxa6 36. Qb3 Rxa1 37. Rxa1 Qc7 38. h3 Kh8 39. Nde4 a6 40. Nf5 Nf4 41. Nxh6 gxh6 42. Nxf6 Qg7 43. Qb2 Nd3 44. Qe2 Qxf6 45. Qxd3 Bg7 46. Re1 Bf5 47. Qd5 Rb5 48. Qa8+ Kh7 49. f4 Qg6 50. Re3 Bd7 51. Qe4 Qxe4 52. Rxe4 Kg6 53. fxe5 Be6 54. Re1 Kf5 55. g4+ Kg6 56. Kg2 Bf8 57. Rd1 Be7 58. Ra1 Bc8 59. Ra5 Rb6 60. Ra4 Rc6 61. Ra3 a5 0-1