[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.15"]
[Round "19"]
[White "Porat, Yosef"]
[Black "Berger, Bela"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. d5 cxd5 5. cxd5 d6 6. Nc3 Bg7 7. Bg2 O-O 8. Nf3 Bg4 9. Nd4 Na6 10. h3 Bd7 11. Be3 Ne8 12. O-O Nec7 13. Rb1 Qe8 14. Qd2 Nb5 15. Ncxb5 Bxb5 16. Rfc1 Bd7 17. b4 Rc8 18. Nb3 Rxc1+ 19. Rxc1 Qb8 20. Bd4 Rc8 21. a3 Rxc1+ 22. Qxc1 Bxd4 23. Nxd4 Qc7 24. Qe3 Ba4 25. h4 Qd7 26. Nf3 Nc7 27. Qxa7 Nxd5 28. Nd4 Nc3 29. Qxb7 Qxb7 30. Bxb7 e5 31. Nc6 Nxe2+ 32. Kf1 Nc3 33. Ne7+ Kf8 34. Nc8 d5 35. Nb6 Bb5+ 36. Kg1 d4 37. Bd5 Ke7 38. Bb3 f5 39. a4 Bc6 40. a5 Bb5 41. Nd5+ Nxd5 42. Bxd5 h6 1/2-1/2