Author: Daniel Clausen
Date: 12:17:56 03/06/02
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On March 06, 2002 at 11:20:17, Terry McCracken wrote: >[D]8/8/8/8/8/6P1/6k1/4KR1R w > > >Mate in 3 > >Terry Problem 1: Given FEN string Then it's mate in 4, not in 3 Problem 2: Given the board position alone Analysis: From the position alone it's not clear whether white still can castle or not. case a: assuming white can still castle Then it's mate in 3 case b: assuming white can longer castle Then it's mate in 4 Solution: Depending on whether white can still castle or not, it's either a mate in 3 or a mate in 4. QED While I have no problem with the problems mentioned above, your problem more looks like: 1. Fix the 'bug' in my problem 2. Solve the fixed problem HTH :) Sargon
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