[Event "YUG-URS"]
[Site "Zagreb YUG"]
[Date "1958.06.26"]
[EventDate "1958.06.22"]
[Round "4"]
[Result "1/2-1/2"]
[White "Isaac Boleslavsky"]
[Black "Petar Trifunovic"]
[ECO "C43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6
Nxd6 7. Nc3 Nc6 8. Qf4 g6 9. Bd2 Bg7 10. O-O-O O-O 11. h4 h6
12. Bd3 Be6 13. Rhe1 Re8 14. a3 Qf6 15. Qxf6 Bxf6 16. Bxh6
Bxc3 17. bxc3 Bg4 18. Bf4 Kg7 19. Re3 Rxe3 20. fxe3 Re8
21. Rf1 f6 22. Re1 Ne5 23. Nd2 Nf5 24. g3 Nd6 25. c4 Ndf7
26. Kb2 g5 27. Bxe5 Rxe5 28. Kc3 c5 29. Be4 Nd6 30. Bd5 b6
31. hxg5 Rxg5 1/2-1/2