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When two Grandmasters of Composition join forces, interesting content is
guaranteed. This four-mover features two well-matched variations.
Two king moves threaten immediate mates and induce mutual obstructions on c4 between the black knight and pawn, but Black has new second move defences which prove adequate.
Try 1.Kg2? (threat 2.e3) 1...Sc4 2.Kh3 (threat 3.Sd3) 2...Sxe5!
Try 1.Kh3? (threat 2.Sd3) 1...c4 2.Kg2 (threat 3.e3) 2...Qc5! (1...Qa6 2.Bxh8)
White’s key induces defences which create weaknesses which allow White to exploit the defects in the new defences to the king manoeuvers.
Dafydd Johnston: To get the most out of this problem the solver must follow the logic of the solution, trying first the two king manoeuvres to g2/h3, noticing that each is defeated by a move to c4, before hitting on the foreplan which forces Black to weaken one of those defences, either by an overload or a self-block. Not difficult solving, but elegant logic.
Jacob Hoover: A very clever problem.
Any comments or questions on this problem should be addressed to
Michael McDowell using the ‘Contact’ item in the menu on the left.