[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Ujtumen, Tudev"]
[Result "1-0"]

1. b3 Nf6 2. Bb2 g6 3. e4 d6 4. g3 Bg7 5. Bg2 O-O 6. Ne2 c5 7. d4 Nbd7 8. O-O Rb8 9. a4 b6 10. Na3 cxd4 11. Nxd4 Bb7 12. Re1 Nc5 13. f3 d5 14. e5 Nfd7 15. f4 a6 16. Qe2 e6 17. c4 Re8 18. cxd5 exd5 19. Nac2 Nf8 20. b4 Ne4 21. b5 axb5 22. axb5 f6 23. Nb4 fxe5 24. Ndc6 Qd6 25. fxe5 Bxe5 26. Bxe5 Rxe5 27. Nxe5 Qxb4 28. Bxe4 Qc5+ 29. Qf2 dxe4 30. Qxc5 bxc5 31. Ra7 Bd5 32. Ng4 Rb6 33. Ra6 Rxa6 34. bxa6 Kf7 35. Rd1 Bb3 36. Rb1 Bd5 37. Ne3 Bc6 38. Rb6 Ba8 39. Rb8 Bc6 40. Rc8 Bd7 41. Rc7 Ke6 42. a7 1-0