[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.04.25"]
[Round "1"]
[White "Zilber, Israel"]
[Black "Petersons, Andrejs"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nc4 Nb6 10. Ne3 a6 11. c3 Be6 12. Qe2 Qd7 13. Rd1 Rad8 14. Nc2 Nd5 15. Ne3 Nb6 16. Nc2 Nd5 17. Ne3 1/2-1/2