Author: Uri Blass
Date: 14:22:11 06/12/01
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On June 12, 2001 at 16:35:19, James T. Walker wrote: >Hello Uri, >Thanks for your input. I gave the position to Deep Shredder and let it go 27 >plies and it did not see a mate. I find it amazing that two programs on two >different computers both saw mate in 27 but it appears to be a ghost. The Beta >program also saw mate in 26 on the next move but then the one move after that it >dropped to -61.9 and then to -0.75. >Regards, >Jim There is a mate but clearly longer mate. The line Rc1 Kb4 Rb1+ Ka3 Kc7 Ka4 Kd6 Ka3 is forced from white's point of view and here programs can see a forced mate for black. Uri
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