Author: Dann Corbit
Date: 11:03:12 12/13/02
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On December 13, 2002 at 10:59:33, Uri Blass wrote: >I do not understand the strategy of chest here > >1)Does chest generates a tree to prove no mate in 4 here? >(the black king has no moves unless white moves with the king) Chest expands outward like that, so yes. >2)Does chest generates a tree with all the possible alternatives for the >defender to prove mate in 5(again it is not needed because all alternatives are >eqvivalent because black cannot promote a pawn or threat check and there is no >stalemate)? Chest has the unenviable task not just of finding a sure mate, but of proving that it is the shortest possible mate.
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