1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O O-O 7. d3 Nc6 8. Bd2 h6 9. Rb1 Be6 10. Qc1 Kh7 11. Ne1 Qd7 12. Nc2 Bh3

“This is a very good move as White's bishop is far better than Black's. After the exchange it would be better for White to oppose his other bishop to Black's on the long diagonal.”

13. Ne3 Bxg2 14. Kxg2 Nd4 15. b4 b6 16. b5 Qb7+ 17. Kg1 e6 18. a4

“Better would be 18. Nc2 in an attempt to dislodge the Black Knight. Black's plan is now clear and Gibson plays this part of the game very well.”

18... d5 19. Re1 Rad8 20. a5 dxc4 21. Nxc4 Nd5 22. axb6 axb6 23. Nd1

“This is probably the losing move. The long diagonal is opened with deadly effect.”

23... Ra8! 24. f4 Ra2 25. Nd6 Qa7 26. Ne4 Rc2 27. Ra1 Qxa1! 28. Qxa1 Nxe2+ 29. Rxe2 Bxa1 30. Kf2 Bd4+

0-1

Annotator(s): Eamon Keogh (see Source).

Source(s): Clipping, Eamon Keogh (source and date unknown); Irish Times, August 10, 1967 p. 10 (both from John Gibson's records).

Event information: Match scorecard and final table, OlimpBase.