[Event "Match/Nation YUG-URS 28,5-31,5"]
[Site "Belgrade"]
[Date "1961.05.15"]
[Round "4(5)"]
[White "Bertok, Mario"]
[Black "Simagin, Vladimir Pavlovich"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 e6 7. Bd2 b6 8. cxd5 exd5 9. Be2 Bb7 10. O-O Nbd7 11. a4 a5 12. Rfd1 Re8 13. Rac1 c6 14. Bf1 Bf8 15. Be1 Bd6 16. g3 Qe7 17. Ne2 Rab8 18. Nf4 Ba8 19. Bg2 Ne4 20. Qc2 Ndf6 21. Nd3 Ng4 22. Qe2 h5 23. Bh3 c5 24. b3 Bb7 25. Bg2 Qf6 26. Nf4 Bxf4 27. gxf4 Nh6 28. Ne5 Rbd8 29. f3 Nd6 30. dxc5 bxc5 31. Rxc5 Nhf5 32. Bxa5 Ra8 33. Bc3 Qe7 34. Nd3 Nxe3 35. Re1 Ndf5 36. Qb2 Ba6 37. Rxd5 Qb7 38. Rxf5 Nxf5 39. Nc5 Rxe1+ 40. Bxe1 Qb6 41. b4 Rd8 42. Qe5 Rd1 43. Kf2 Qd8 44. Ne4 1/2-1/2