[Event "Alekhine Memorial-02"]
[Site "Moscow"]
[Date "1971.11.29"]
[Round "5"]
[White "Byrne, Robert Eugene"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be3 Qc7 6. Nc3 a6 7. Bd3 b5 8. O-O Bb7 9. Qe2 Nf6 10. f4 Nxd4 11. Bxd4 Bc5 12. Bxc5 Qxc5+ 13. Kh1 b4 14. Nd1 d6 15. Nf2 e5 16. Ng4 Nxg4 17. Qxg4 O-O 18. a3 Bc6 19. Qf5 bxa3 20. Rxa3 Bb5 21. Rc3 Qb4 22. Rb3 Qc5 23. Rc3 1/2-1/2