[Event "IBM"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "14"]
[White "Barendregt, Johan"]
[Black "Stein, Leonid"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Bb5 Qa5+ 7. Nc3 Qxb5 8. Nxb5 Nxd4
9. Nc7+ Kd7 10. Nxa8 Nxc2+ 11. Kd1 Nxa1 12. exf6 gxf6 13. Be3 b6 14. Kd2 Bb7 15. Nxb6+
axb6 16. Rxa1 b5 17. Nd4 b4 18. Rc1 e5 19. Nb5 Bc6 20. Na7 Bxg2 21. Nb5 d5 22. Rc7+ Ke6
23. f4 d4 24. Bf2 Bh6 25. Bg3 Rb8 26. Rc6+ Bxc6 0-1