[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.02.06"]
[Round "15"]
[White "Boleslavsky, Isaak"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. Qd2 e6 8. O-O-O h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. f3 Qb6 12. Bc4 O-O-O 13. Bb3 Be7 14. Be3 Qa5 15. Kb1 Rhe8 16. Nd5 Qxd2 17. Nxe7+ Rxe7 18. Rxd2 Kc7 19. Rhd1 Red7 20. c4 a5 21. Bc2 e5 22. b3 Nh7 23. a3 Ng5 24. b4 b6 25. Bb3 Ne6 26. Kb2 axb4 27. axb4 Ra8 28. Ra1 Rxa1 29. Kxa1 Rd8 30. Kb2 Rb8 31. Kc3 Ra8 32. Ra2 Rxa2 33. Bxa2 Nf4 34. g3 Nh3 35. Bb3 Ng5 36. Bd1 Nh7 37. Be2 Nf6 38. Kd2 Bd7 39. Bf1 Be6 40. Kd3 Nd7 41. Kc3 Nb8 42. f4 f6 43. f5 Bf7 44. Be2 Nc6 45. Bd1 Kb7 46. h3 Kc7 47. Ba4 Bg8 48. Bd1 Bf7 49. Ba4 Bg8 50. g4 Bf7 51. h4 Bg8 52. Bb3 Kb7 53. Bd1 Bf7 54. Bd2 Kc7 55. Be3 Kb7 56. Ba4 Kc7 57. Bb3 Kb7 1/2-1/2