[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "1"]
[White "Ree, Hans"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2635"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. dxe6 Bxe6 9. Bd3 Nc6 10. f5 Bd7 11. O-O Re8 12. Bg5 h6 13. Bf4 gxf5 14. exf5 Ne5 15. Qd2 Kh7 16. Rae1 Bc6 17. Nxe5 dxe5 18. Bxe5 Qd7 19. Bf4 Rxe1 20. Rxe1 Rd8 21. Rd1 Qd4+ 22. Qe3 Kg8 23. Be2 Nd7 24. Qxd4 cxd4 25. Nd5 Bxd5 26. cxd5 Nb6 27. Bc7 1/2-1/2