[Event "IBM"]
[Site "Amsterdam"]
[Date "1962.08.17"]
[Round "4"]
[White "Tan, Hiong Liong"]
[Black "Langeweg, Kick"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bg4 10. Bxg4 Nxg4 11. Qxg4 Nxd4 12. Qd1 Nc6 13. Rc1 Qa5 14. O-O Rac8 15. a3 Rfe8 16. Rf2 Nb8 17. b4 Qxa3 18. Ra2 Qxb4 19. Nd5 1-0