[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.27"]
[Round "11"]
[White "Estrin, Yakov Borisovich"]
[Black "Gusev, Yuri S"]
[Result "0-1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. Nf3 Bg7 6. Be2 O-O 7. O-O b5 8. e5 Ne8 9. Ne4 Nc7 10. a4 Bb7 11. Nf2 Nd7 12. Bd2 Nb6 13. axb5 cxb5 14. b3 Ne6 15. c3 dxe5 16. dxe5 Nd5 17. Qc1 Qb6 18. Kh1 Rac8 19. Nd3 a6 20. Ra2 Nc5 21. Nxc5 Qxc5 22. c4 Nb4 23. Ra1 Rfd8 24. Be3 Qc6 25. Ne1 Nd3 26. Bf3 Qxf3 27. Nxf3 Nxc1 28. Raxc1 Rd3 29. Rfe1 Rxb3 30. c5 Bd5 31. Ra1 e6 32. Rxa6 Bf8 33. Rd6 b4 34. Kg1 Rb2 35. Bd4 Rc2 36. Rb1 b3 37. Ne1 Rc4 38. Be3 Re4 39. Kf2 Ra4 40. Rb2 Ra2 41. Nd3 Be4 42. Bc1 Rxb2+ 0-1