[Event "URS-ch39 Semifinal"]
[Site "Daugavpils"]
[Date "1971.06.??"]
[Round "?"]
[White "Mnatsakanian, Eduard A"]
[Black "Karpov, Anatoly"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9.
exd5 cxd5 10. Bg5 c6 11. Ne2 Bd6 12. Nd4 Bd7 13. Qf3 Re8 14. Bxf6 Qxf6 15. Qxf6 gxf6 16.
Bf5 Bxf5 17. Nxf5 Bc5 18. Rfe1 Re5 19. g4 Rb8 20. b3 Rb4 21. c4 dxc4 22. Red1 h5 23. bxc4
hxg4 24. Nd4 Rxc4 25. Nb3 Bb6 26. Rac1 Rf4 27. Rd2 Ref5 28. Rcc2 c5 0-1