[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1973.01.30"] [Round "12"] [White "Zuidema, Coen"] [Black "Szabo, Laszlo"] [Result "1/2-1/2"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Ba4 Nf6 7. c3 d5 1/2-1/2