[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Koshnitsky, Gregory Simon"]
[Black "Lkhagva, Jambaldoo"]
[Result "0-1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. f3 Nf6 12. Be3 f4 13. Bf2 g5 14. c5 Ng6 15. Rc1 Bd7 16. Qb3 Kh8 17. Qxb7 g4 18. cxd6 cxd6 19. Qa6 g3 20. hxg3 Nh5 21. gxf4 Ngxf4 22. Rfd1 Qg5 23. Nxf4 Nxf4 24. g3 Rf6 25. Bf1 Rh6 26. Bg2 Bh3 27. Bxh3 Nxh3+ 28. Kg2 Nf4+ 29. Kf1 Rh1+ 30. Bg1 Rxg1+ 31. Kxg1 Qxg3+ 32. Kf1 Qxf3+ 33. Ke1 Qe3+ 34. Ne2 Ng2+ 35. Kf1 Rf8+ 36. Kxg2 Rf2+ 0-1