[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.05.25"]
[Round "4"]
[White "Keres, Paul"]
[Black "Filip, Miroslav"]
[Result "1/2-1/2"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. O-O Be7 9. d4 O-O 10. Re1 Bd7 11. Nxd5 exd5 12. Bf4 Bg4 13. Bxc6 bxc6 14. Rc1 Rc8 15. h3 Bxf3 16. Qxf3 Bb4 17. Re2 Re8 18. Rcc2 Qd7 19. Qb3 Ba5 20. Rxe8+ Rxe8 21. Qa4 Bc7 22. Bxc7 Qxc7 23. g3 Re6 24. Kg2 g6 25. Rc3 Kg7 26. Qb4 Qd7 27. Rf3 Re2 1/2-1/2