[Event "IBM-18 Grootmeestergroep B"]
[Site "Amsterdam"]
[Date "1978.07.??"]
[Round "6"]
[White "Christiansen, Larry Mark"]
[Black "Rodriguez Cespedes, Amador"]
[Result "1-0"]
[WhiteElo "2490"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Qd2 d5 11. exd5 cxd5 12. O-O dxc4 13. Bxc4 a6 14. Rad1 b5 15. Bb3 Bb7 16. Bh6 Bxh6 17. Qxh6 Nbd7 18. Ne4 Bd5 19. Bxd5 Nxd5 20. Nd6 Re5 21. Nxf7 Kxf7 22. Qxh7+ Kf6 23. Qh4+ g5 24. Qh6+ Kf7 25. Nc6 Qb6+ 26. Kh1 Kg8 27. f4 gxf4 28. Rxd5 1-0