[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.01.31"]
[Round "11"]
[White "Spassky, Boris Vasilievich"]
[Black "Boleslavsky, Isaak"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. Nb3 Qb6 10. f3 a6 11. g4 Rd8 12. Be3 Qc7 13. g5 Nd7 14. h4 b5 15. g6 fxg6 16. h5 gxh5 17. Rxh5 Nf6 18. Rg5 Ne5 19. Qg2 Bf8 20. f4 Nc4 21. Bxc4 bxc4 22. Nd4 Rb8 23. Rg1 Rb7 24. Nxe6 Bxe6 25. Bd4 d5 26. Be5 Qe7 27. exd5 Nxd5 28. Ne4 c3 29. Nxc3 Nxc3 30. Bxc3 Bxa2 31. Qf3 Qf7 32. Bxg7 Bxg7 33. Rxg7+ Qxg7 34. Rxg7+ Rxg7 35. b3 Rf8 36. Qd5+ Kh8 37. Qd6 Rgf7 38. Qe5+ Kg8 39. Qg5+ Kh8 40. Qe5+ Kg8 41. Qg5+ Rg7 42. Qd5+ Kh8 1/2-1/2