Author: Paul Byrne
Date: 22:02:33 04/30/01
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On April 29, 2001 at 07:32:15, leonid wrote: >Hello! > >I know that I should never indicate here any position like this, but it is just >too seductive! Only really dedicated man or highly performant mate solver can >crunch it. > >[D]Qrbqkbr1/Qn3qPP/NQqQq1nB/1qNqQBq1/1Qq1q2Q/8/3RR3/4K3 w - - > >Please indicate your result. > >Thanks, >Leonid. That was a tough one! My PN search went through 512MB of memory without solving it. PN2 got Qbxd8+ winning in 1316.46 seconds (100043829 nodes) -- the PN2 code is set up for suicide chess though and could probably be sped up a good bit for regular chess. -paul
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