[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Polugaevsky, Lev"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. Be2 Rfe8 13. b3 a6 14. Nd5 1/2-1/2