[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.16"]
[Round "9"]
[White "Miles, Anthony John"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2430"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7 11. b3 Nbd7 12. Kh1 Re8 13. f3 Rb8 14. a5 b5 15. axb6 Rxb6 16. Bd2 Ne5 17. Bc2 c4 18. Be3 Rb4 19. Na2 Rb8 20. b4 Bd7 21. Bd4 Nd3 22. Qd2 Qd8 23. Bc3 Ne5 24. Nac1 Ra8 25. Ra3 Qe7 26. Nd4 Qf8 27. Nce2 Bh6 28. Qd1 Nh5 29. f4 Ng4 30. Ba1 Ngf6 31. Nf5 Bxf5 32. exf5 Qe7 33. Nd4 Nxf4 34. fxg6 fxg6 35. Nc6 Qf7 36. Raf3 N6xd5 37. Qd4 Bg7 38. Qxc4 Bxa1 39. Rxa1 Re3 40. Raf1 Rxf3 41. Rxf3 Re8 42. Bb3 1/2-1/2