Author: Angrim
Date: 12:38:50 06/17/01
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On June 16, 2001 at 08:30:19, leonid wrote: >Hi! > >I am not sure how deep this position is but it look like that only strong >program will find it easy. > >[D]3K4/1Q1Q1Q2/Q1R1R1Q1/2N1N3/Q1qBNqQ1/q1qBRq1q/brnq1nrb/3kq3 w - - > >Please indicate your result. > >Thanks, >Leonid. This sure has a lot of transpositions possible! I just added support for transpositions to my pn^2 code, and with the new code my chess position solver handled this nice and fast, but the old version took longer than I have patience for. new version: proved that move e4xc3 wins, 13 turns PN2:12688384 evals, 286977 expands, 79.30 seconds I halted the old version after 190m evals, 1363 seconds. Are we going to be seeing any other types of mate puzzles on here? All of the recent ones have been on the same theme of mountains of pieces piled around the kings. Rather unusual case in a real game. Angrim
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