[Event "Match/Nation YUG-URS 28,5-31,5"]
[Site "Belgrade"]
[Date "1961.05.10"]
[Round "1(6)"]
[White "Udovcic, Mijo"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. Rb1 e5 8. b4 Be6 9. d3 h6 10. e4 Ne7 11. Nd5 Nfxd5 12. cxd5 Bg4 13. h3 Bd7 14. d4 f5 15. dxe5 fxe4 16. Nd4 dxe5 17. Ne6 Bxe6 18. dxe6 Rf6 19. Bxe4 Qc8 20. Qd7 Rxe6 21. Qxc8+ Rxc8 22. Bxb7 Rb8 23. Be4 Ra6 24. Rd1 Rd6 25. Be3 Rxd1+ 26. Rxd1 Rxb4 27. Bc2 Nf5 28. Bxa7 Rb7 29. Rd8+ Kh7 30. Bc5 Rb5 31. Ba7 Ra5 32. Bb8 Rxa2 33. Bb3 Ra1+ 34. Kg2 Rc1 35. Bg8+ Kh8 36. Be6+ Kh7 37. h4 h5 38. Rd7 Rc6 39. Bxf5 gxf5 40. Bxc7 Kg6 1/2-1/2