[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.21"]
[Round "9"]
[White "Adorjan, Andras"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. Bc4 Nb6 8. Bb3 Nc6 9. O-O Na5 10. Qe2 Nxb3 11. axb3 c6 12. h3 Be6 1/2-1/2