[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.25"]
[Round "10"]
[White "Wirthensohn, Heinz"]
[Black "Cooper, John Grantley"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2310"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Bd6 7. Nc3 O-O 8. b3 Nbd7 9. Bb2 a6 10. Rc1 Qe7 11. Na4 Ne4 12. Qc2 f5 13. cxd5 Bxd5 14. Ne5 Bxe5 15. dxe5 Nec5 16. Nxc5 Nxc5 17. Ba3 Qg5 18. f4 Qxg2+ 19. Qxg2 Bxg2 20. Kxg2 Nxd3 21. Bxf8 Nxc1 22. Rxc1 Kxf8 23. Rxc7 Rd8 24. Rc6 Rd2+ 25. Kg3 Rxa2 26. Rxb6 Ra3 27. Rxe6 Rxb3 28. Rxa6 Rxe3+ 29. Kf2 1/2-1/2