[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.19"]
[Round "11"]
[White "Miles, Anthony John"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2390"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 Bg7 5. e4 d6 6. dxc5 Qa5 7. Bd2 Qxc5 8. Be2 Bg4 9. O-O O-O 10. Rc1 Nbd7 11. Nd5 Nxd5 12. cxd5 Qb6 13. b4 Nf6 14. h3 Bd7 15. Bd3 Rfc8 16. Qb3 Bb5 17. Be3 Qa6 18. Bxb5 Qxb5 19. Nd4 Qe8 20. f3 Nh5 21. Rfd1 Be5 22. Ne2 Ng3 23. Nxg3 Bxg3 24. b5 Rxc1 25. Rxc1 Rc8 26. Rc4 Qd8 27. Bxa7 h5 28. Bd4 f6 29. a4 Rxc4 30. Qxc4 Qa5 31. Bc3 Qb6+ 32. Bd4 Qa5 33. Bc3 Qb6+ 34. Qd4 Qc7 35. b6 Qc8 36. Qb4 Be5 37. Bxe5 Qc1+ 38. Kf2 fxe5 39. h4 Qc2+ 40. Kg3 Qc1 41. a5 Qf1 42. Qd2 Qg1 43. Qb4 Kg7 44. a6 g5 45. Qd2 gxh4+ 46. Kxh4 Qxb6 47. Qg5+ Kf8 48. Qh6+ Ke8 49. axb7 Qxb7 50. Kxh5 Qb2 51. Qg6+ Kd8 52. Kh6 Qc1+ 53. Qg5 Qh1+ 54. Kg7 Qh2 55. g4 Qh3 56. Qf5 Kc7 57. g5 1-0