[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "17"]
[White "Spassky, Boris Vasilievich"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 d5 9. Nxd5 Nxd5 10. Bxg7 Kxg7 11. cxd5 Qxd5 12. d4 cxd4 13. Nh4 Qd7 14. Bxb7 Qxb7 15. Qxd4+ f6 16. Rfd1 Nc6 17. Qe4 Rfd8 18. Nf3 Rxd1+ 19. Rxd1 Rd8 20. Nd4 Kf7 21. Qe6+ Kg7 22. Qe4 1/2-1/2