[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.17"]
[Round "6"]
[White "Smyslov, Vassily V"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. Bf4 c5 9. dxc5 Bxc3+ 10. bxc3 Qxd1+ 11. Rxd1 Na4 12. Bh6 Re8 13. c4 Nc6 14. e3 Bg4 15. h3 Bxf3 16. gxf3 Red8 17. Bg2 Nc3 18. Rxd8+ Rxd8 19. O-O Nxa2 20. f4 Nab4 21. f5 gxf5 22. e4 fxe4 23. Bxe4 Rd4 24. Kh2 Rxe4 1/2-1/2