1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Nc6 10. Qd2 h5 11. Be2 d6 12. O-O Be6 13. Rac1 Qa5 14. f4 f5 15. exf5 Bxf5 16. Rfe1 O-O 17. a3 Rad8 18. Bf3 Rfe8 19. Qf2 e6

“[This game] was agreed drawn when White seemed to be getting the worst of it, although the post morten was inconclusive on this point”, according to Herbert Scarry in the ICJ tournament report. However, after 20. Red1!, White has a clear advantage. One point is that a quiet move such as 20... Qc7 can be met by 21. h3!, when Black's light-squared bishop is awkwardly placed.

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Event information: Tournament report.