[Event "Olympiad-25"]
[Site "Luzern"]
[Date "1982.11.15"]
[Round "14"]
[White "Clua Ballague, Miguel"]
[Black "Matthews, Shane"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5 8. cxd5 Nxd5 9. Qc2 Nxc3 10. bxc3 Nd7 11. Ng5 Bxg5 12. Bxb7 Rb8 13. Bxg5 Qxg5 14. Bg2 Qa5 15. Rfb1 c5 16. Rb3 Rfc8 17. Qb2 cxd4 18. cxd4 b5 19. Rb1 a6 20. a4 Nb6 21. axb5 Nc4 22. Qa1 Qxa1 23. Rxa1 axb5 24. Rb4 Nd6 25. e3 Rc4 26. Rab1 Rxb4 27. Rxb4 Kf8 28. Bf1 f5 29. Bd3 Ra8 30. Kg2 Ke7 31. g4 Rb8 32. Kg3 g5 33. h4 h6 34. hxg5 hxg5 35. f4 gxf4+ 36. Kxf4 fxg4 37. Kxg4 Kd7 38. e4 Kc6 39. Kf4 Rb7 40. e5 Rf7+ 41. Ke3 Nf5+ 42. Kd2 Kd5 43. Bxf5 Rxf5 44. Ke3 Kc6 45. Ke4 Rh5 46. Ke3 1/2-1/2