[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.13"]
[Round "4"]
[White "Koshnitsky, Gregory Simon"]
[Black "Ribeiro, Joao Mario"]
[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O c5 5. c3 Nc6 6. d4 Bd6 7. dxc5 Bxc5 8. Nbd2 O-O 9. Qc2 Qc7 10. e4 b6 11. exd5 Nb4 12. Qb1 Nbxd5 13. Ne4 Bb7 14. Nfg5 h6 15. Nxf6+ Nxf6 16. Ne4 Nxe4 17. Bxe4 Rad8 18. Re1 Rd7 19. Bf4 Qc8 20. Qc2 Rfd8 21. Qe2 Bxe4 22. Qxe4 Qa6 23. h4 Qb5 24. Rab1 Qd3 25. Qxd3 Rxd3 26. Kf1 Rf3 27. Re2 h5 28. Kg2 Rfd3 29. Rbe1 a6 30. Re4 Rd1 1/2-1/2