[Event "Olympiad-20 Final D"]
[Site "Skopje"]
[Date "1972.10.07"]
[Round "10"]
[White "Choong, Liong On Mark"]
[Black "Kirsch, Gerard"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qe2 Qa7 12. Kh1 g6 13. Bg5 Be7 14. Qg4 Bxg5 15. Qxg5 Bc6 16. f4 b5 17. f5 Qe7 18. f6 Qf8 19. Qe3 Kd7 20. Rac1 Qb8 21. Qc5 Qc7 22. Ne4 Nh6 23. Nd6 Rab8 24. Qd4 Qb6 25. Rc5 Nf5 26. Bxf5 gxf5 27. Rfc1 Rhg8 28. h3 Rg3 29. R1c2 Rbg8 30. Rxc6 Qxc6 31. Qa7+ 1-0