[Event "Tallinn"]
[Site "Tallinn"]
[Date "1969.03.11"]
[Round "13"]
[White "Keres, Paul"]
[Black "Liberzon, Vladimir Mikhailovi"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. Nc3 O-O 7. h3 a6 8. a4 Nxe4 9. Nxe4 d5 10. Nxe5 Nxe5 11. dxe5 dxc4 12. Qh5 Qd5 13. Re1 f5 14. Bg5 Qf7 15. Qh4 fxe4 16. Bxe7 Re8 17. Bb4 Bf5 1/2-1/2