[Event "October Revolution 50years"]
[Site "Leningrad"]
[Date "1967.??.??"]
[Round "?"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Udovcic, Mijo"]
[Result "1-0"]

1. d4 e6 2. e4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ngf3 Nc6 7. Bd3 Qb6 8. O-O cxd4 9.
cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Qb4 13. Qc2 h6 14. Bd2 Qb6 15. Rac1 Be7 16.
Qa4 Qd8 17. Rc2 Kf8 18. Rfc1 Nb6 19. Qg4 Bd7 20. Ba5 Rc8 21. Rxc8 Bxc8 22. Bb4 g6 23. Qh4
g5 24. Nxg5 Ke8 25. Bb5+ Bd7 26. Nxe6 fxe6 27. Qh5+ Kf8 28. Rc3 Rh7 29. Qg6 Rg7 30. Qxh6
Bxb4 31. Rg3 1-0