Author: Uri Blass
Date: 03:26:59 07/13/01
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On July 12, 2001 at 14:07:59, leonid wrote: >Hi! > >If you like, you can solve this mate: > >[D]krqn4/rqP3qq/n1QQ4/bbNNBBqq/q1QQ4/Q1P3qq/RQ6/KRN5 w - - > >I found very intriguing few anomalies about this position. NPS (node/per/second) >rate was very high while braching factor was unusually bad. This is true for >brute force search. NPS was 912k (8 plys search) when it could be expected as >low as 45k. When I went to try this position on Rebel 10, I found that Rebel's >NPS is, for the first time, lower that mine. Genius 4 time, for 8 plys search, >was almost the same as mine. Only from 10 plys my program started gaining some >modest distance. I never could see nothing like this before while verifying my >"normal" positions. > >Please indicate your result, > >Thanks, >Leonid. Chessmaster6000(ss=10) PIII850 Nxb7 Mate in 9 time 5 minutes and 3 seconds. It could see that Nb7 leads to mate in less than 4.5 minutes but it was only mate in 11. Uri
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