[Event "URS-ch40 Final"]
[Site "Baku"]
[Date "1972.11.21"]
[Round "4"]
[White "Zhidkov, Valery S"]
[Black "Mukhin, Mikhail A"]
[Result "1/2-1/2"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e6 6. O-O Nge7 7. e3 d5 8. cxd5 exd5 9. d4 cxd4 10. Nxd4 O-O 11. Re1 Re8 12. a3 Nxd4 13. exd4 Be6 14. Bg5 h6 15. Bxe7 Rxe7 16. Bxd5 Bxd5 17. Rxe7 Qxe7 18. Nxd5 Qd7 19. Qf3 Rd8 20. Nf6+ Bxf6 21. Qxf6 Qxd4 22. Qxd4 Rxd4 23. Rc1 1/2-1/2