[Event "URS Trade Union-ch"]
[Site "Moscow"]
[Date "1964.12.11"]
[Round "7"]
[White "Estrin, Yakov Borisovich"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Qc7 8. O-O Nc6 9.
Nxc6 dxc6 10. a4 Bd6 11. axb5 cxb5 12. e5 Bxe5 13. Nxb5 axb5 14. Rxa8+ Bxa8 15. Bxa8 Bxh2+
16. Kh1 Bd6 17. Qd3 b4 18. Rd1 Ke7 19. Be3 Nf6 20. Ra1 Bc5 21. Qc4 Rc8 22. Bf4 e5 23. Bg5
Bd6 24. Qd3 Qc4 25. Bxf6+ gxf6 26. Ra7+ Ke6 27. Qh3+ f5 28. Qh6+ f6 29. Qg7 Qf1+ 30. Kh2
e4+ 31. g3 Qxf2+ 0-1