[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1978.02.02"]
[Round "11"]
[White "Mecking, Henrique"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2630"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d6 11. e4 Re8 12. b3 Bf6 13. Bb2 c5 1/2-1/2