[Event "Olympiad-15 Preliminaries A"]
[Site "Varna"]
[Date "1962.09.23"]
[Round "8"]
[White "Dunkelblum, Arthur"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Bd3 Bb7 11. Ke2 Nbd7 12. Rd1 Ke7 13. Bd2 Rac8 14. e4 Bd6 15. b4 Nb6 16. Kf1 Ng4 17. h3 Ne5 18. Nxe5 Bxe5 19. Rac1 Rhd8 20. Ke2 Nc4 21. Bxc4 Rxc4 22. f3 Rdc8 23. Nb1 Rxc1 24. Rxc1 Rxc1 25. Bxc1 f5 26. Kd3 Kf6 27. Nd2 fxe4+ 28. Nxe4+ Bxe4+ 29. Kxe4 Ba1 30. h4 h5 31. Be3 e5 32. Kd5 Bb2 33. Kc6 Ke6 34. Kb7 Kd5 35. Kxa6 Kc4 36. Ka5 Bxa3 37. Bc5 g6 38. Bd6 Bb2 39. Ka6 Bc3 40. Ka5 Bd2 41. Bf8 Be1 42. Be7 Bg3 43. Kb6 1/2-1/2