Author: Robert Hyatt
Date: 14:51:38 04/15/00
Go up one level in this thread
On April 15, 2000 at 13:14:30, Charlie GOLD wrote: > > What PC computers and, also, Dedicated computers underpromote for mate when >set at 40m/2h? Which ones do not underpromote? > > [D} 7n/3q1P1k/5K1p/3B4/8/8/8/8 w > > My results for some that u-p are: Rebel 9.0 - Yes, Genius 5.0 - yes, Fritz 4.0 >and 6.0 - yes, CM 5K - yes; Some that do NOT u-p are: Junior 5.0 and 4.6(they >both find a mate in 4 by Be4+), Crafty 15.18(but when forced to move it goes >Pf8(N)#), Exchess 2.45. charlie I don't know what this means, because crafty will _definitely_ under-promote. In the search, it considers _all_ underpromotions. In the q-search, it only considers =Q....
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