[Event "Match/Nation URS-HUN Men 28,5-35,5"]
[Site "Lipetsk"]
[Date "1968.06.??"]
[Round "?"]
[White "Zilberstein, David"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. Be3 c6 8. O-O exd4 9. Nxd4 Qe7 10. Qc2 Re8 11. f3 d5 12. cxd5 Nxd5 13. Nxd5 cxd5 14. Rac1 Bd7 15. Qb3 Nc6 16. Qxd5 Nxd4 17. Bxd4 Be6 18. Qc5 Qxc5 19. Bxc5 b6 20. Be3 Bxa2 21. Ba6 Bb3 22. Kf2 Re7 23. Rfe1 h6 24. Re2 Rd8 25. Bc4 Bxc4 26. Rxc4 Rd3 27. Rec2 Rb3 28. Bd4 Kh7 29. Bxg7 Kxg7 30. R4c3 1/2-1/2