[Event "Alekhine Memorial-02"]
[Site "Moscow"]
[Date "1971.11.30"]
[Round "6"]
[White "Karpov, Anatoly"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 Na5 14. Bc2 Nc4 15. b3 Nb6 16. Nh2 d5 17. dxe5 Nxe4 18. Qd3 Nd7 19. f4 Qh4 20. Nhf1 Ndc5 21. Qf3 Nxg3 22. Qxg3 Be7 23. Be3 Qxg3 24. Nxg3 Bh4 25. Kh2 Bxg3+ 26. Kxg3 Ne4+ 27. Bxe4 dxe4 1/2-1/2