[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.24"]
[Round "7"]
[White "Myagmarsuren, Lhamsuren"]
[Black "Byrne, Robert Eugene"]
[Result "0-1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 e6 5. e4 g5 6. Bg3 dxe4 7. h4 Rg8 8. hxg5 hxg5 9. Qe2 Bb4 10. Qc4 Nd5 11. O-O-O Nxc3 12. bxc3 Ba3+ 13. Kb1 c6 14. f3 Qb6+ 15. Qb3 exf3 16. Nxf3 Nd7 17. Bd3 Nf8 18. Ne5 Qxb3+ 19. axb3 Be7 20. Be2 f6 21. Bh5+ Kd8 22. Nf7+ Kd7 23. c4 a5 24. d5 cxd5 25. cxd5 Bb4 26. dxe6+ Kxe6 27. c3 Bxc3 28. Nh6 Rg6 29. Bxg6 Nxg6 30. Rd6+ Ke7 31. Rc1 Nf4 32. Bxf4 gxf4 33. Rcd1 a4 34. bxa4 Rxa4 35. Kc2 Be5 36. Kb3 b5 37. Ng8+ Kf7 38. Nh6+ Kg6 39. Ng8 Bxd6 40. Rxd6 Kf7 41. Nxf6 Be6+ 0-1