[Event "Vrnjacka Banja 1971"] [Site "Vrnjacka Banja YUG"] [Date "1971.04.30"] [EventDate "1971.04.13"] [Round "14"] [Result "1/2-1/2"] [White "Predrag Ostojic"] [Black "Bernard Zuckerman"] [ECO "B93"] [WhiteElo "?"] [BlackElo "?"] [Source "Perpetual Check"] [PlyCount "56"] 1. e4 c5 2. Nc3 d6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. O-O O-O 10. Kh1 b5 11. Qe1 Bb7 12. a3 Re8 13. fxe5 dxe5 14. Bg5 Nh5 15. Bxe7 Qxe7 16. a4 b4 17. Na2 a5 18. Bb5 Red8 19. c3 b3 20. Nc1 Nc5 21. Nd2 Nf6 22. Ncxb3 Nxb3 23. Nxb3 Nxe4 24. Qe3 Qe6 25. Nc5 Nxc5 26. Qxc5 Rd2 27. Rf2 Rad8 28. Bf1 1/2-1/2