[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "7"]
[White "Bouwmeester, Hans"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 e6 7. e3 Bd6 8. Bxd6 Qxd6 9. Bd3 O-O 10. O-O Bd7 11. Rc1 Rfc8 12. Qe2 Be8 1/2-1/2