[Event "URS-ch31 Semifinal"]
[Site "Kharkov"]
[Date "1963.??.??"]
[Round "?"]
[White "Spassky, Boris Vasilievich"]
[Black "Averbakh, Yuri L"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3
Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 exd4 14. Nb3 Bf6 15. Nxa5 Qxa5 16. Bg5
Qd8 17. Bxf6 Qxf6 18. Nxd4 Ne5 19. Bb3 Bd7 20. Rc1 Rac8 21. Qd2 Ng6 22. Rcd1 Ne5 23. f4
Nc4 24. Bxc4 bxc4 25. Ne2 Ba4 26. Rc1 Rfd8 27. Nc3 Bc6 28. Rcd1 h6 29. Qe3 Rb8 30. Re2
Rbc8 31. Rd4 Bb7 32. Red2 Qe7 33. Qg3 Kf8 34. f5 Re8 35. Rxd6 Qe5 36. Qxe5 Rxe5 37. R2d4
a5 38. Rb6 Ba8 39. Ra6 Ke8 40. Kf2 Kf8 41. Ke3 Rec5 42. Rd7 Bc6 43. Rda7 a4 44. Kd4 Be8
45. Rb6 h5 46. g4 h4 47. Rbb7 R5c6 48. Nd5 Rd8 49. g5 Rcd6 50. Kxc4 Rc6+ 51. Kd4 Rc2 52.
Ke5 Rc4 53. g6 f6+ 54. Nxf6 gxf6+ 55. Kxf6 Rc6+ 56. Kg5 1-0