[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.27"]
[Round "14"]
[White "Portisch, Lajos"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 c6 5. d4 d5 6. cxd5 cxd5 7. O-O O-O 8. Nc3 Nc6 9. Ne5 e6 10. Bf4 Nxe5 11. Bxe5 Bd7 12. Qb3 Bc6 13. Rac1 Bh6 14. Rcd1 1/2-1/2