[Event "URS-ch31 Semifinal"]
[Site "Almaty"]
[Date "1963.??.??"]
[Round "?"]
[White "Katalymov, Boris N"]
[Black "Taimanov, Mark E"]
[Result "0-1"]

1. b4 e5 2. Bb2 d6 3. e3 g6 4. c4 Bg7 5. Nf3 Ne7 6. d4 O-O 7. Be2 Nf5 8. dxe5 Nc6 9. Nc3 Nxb4 10. e4 Ne7 11. a3 Na6 12. exd6 Qxd6 13. Qxd6 cxd6 14. Rd1 Nc5 15. Nd4 Rd8 16. f3 Bd7 17. Kf2 Rac8 18. Bc1 a6 19. Bg5 Re8 20. Bf4 Be5 21. Bg3 Nc6 22. Nxc6 Bxc6 23. Nd5 Kg7 24. Nb6 Rcd8 25. Rhe1 Ne6 26. Ke3 Bb2 27. Rd3 f5 28. Rb1 fxe4 29. fxe4 Bf6 30. Rxd6 Bd4+ 31. Rxd4 Nxd4 32. Bf3 Nf5+ 33. Kf4 Nxg3 34. hxg3 Rd3 35. a4 h6 36. Nd5 g5+ 37. Kg4 Rd4 38. Kh3 Rxc4 39. a5 h5 40. Ne3 g4+ 41. Kh4 gxf3 42. Nxc4 Rxe4+ 0-1