Deep rook endgame riddleIn June 1979, two months after the super event in Montreal, a small double round-robin tournament for four players was held in the small Dutch town of Waddinxveen near Gouda. The world-class players Vlastimil Hort, Lubomir Kavalek and Gennadi Sosonko were, as expected, dominated by Anatoly Karpov. Going into the final round, the World Champion had already secured victory with a score of 4/5, 1.5 points ahead of second-placed Hort. In the Karpov-Hort game from the last round, White gained dynamic advantages out of the opening. Especially extensively by Jan Timman in "The Art of Chess Analysis" (Everyman Chess, 1997 org.