[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.07.23"]
[Round "9"]
[White "Scholl, Eddie C"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. f4 Qc7 10. Qd3 b5 11. Qg3 Nbd7 12. Kh1 Bc4 13. Bxc4 Qxc4 14. fxe5 0-1