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

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 Nf6 5. f3 c6 6. Qd2 Nbd7 7. Bh6 Bxh6 8. Qxh6 b5 9. O-O-O b4 10. Nce2 Qb6 11. Kb1 a5 12. Nc1 a4 13. g4 c5 14. dxc5 Nxc5 15. Nge2 Bd7 16. Qe3 O-O 17. Nf4 e5 18. Nh5 Nxh5 19. gxh5 Be6 20. h4 Rfb8 21. hxg6 hxg6 22. b3 axb3 23. cxb3 Na4 24. Qxb6 Nc3+ 25. Ka1 Rxb6 26. Rd2 d5 27. Bd3 Kg7 28. h5 Rh8 29. Rdh2 Rxh5 30. Rxh5 gxh5 31. Rxh5 f6 32. Kb2 Rc6 33. a4 bxa3+ 34. Kxa3 Nxe4 35. Na2 Nc5 36. Nb4 Rc8 37. Rh7+ Kg8 38. Re7 Kf8 39. Rxe6 Nxe6 40. Nxd5 Nc5 41. Bf5 Rc6 42. b4 Rd6 43. Nc7 Nd7 44. b5 Ke7 45. Kb4 Rd4+ 46. Ka5 Kd6 47. b6 Rd2 48. Nb5+ Kc6 49. Bxd7+ Rxd7 50. Ka6 Rd1 51. Na7+ Kc5 52. Kb7 Rd6 53. Nc8 Rc6 0-1