Author: Uri Blass
Date: 14:27:35 02/09/06
Go up one level in this thread
On February 09, 2006 at 13:00:39, Andreas St. wrote: >Hi, >yesterday i posted this position: > >2r5/2pR1pk1/p1P3p1/P2K4/5P1p/5P1P/8/8 w - - 0 1 > >and some users said, Rybka finds the solution. > >>Not Rybka 13b, but Rybka 1.0 Beta 32-bit (the first version!!!) >>Best regards, >>Orlando > >>Rybka 1.0 Beta 32-bit, sees Rxc7 quickly. I've no idea how the person testing >>whatever version had this failure. > >>Terry > > >What do you mean??? No Rybka version finds the only winning move Rxc7! Are you sure that it is the only winning move. Do you have a proof that f5 does not win? >If you analyse long enough, you will see, all Rybka versions prefers f5. >At the latest after one hour no Rxc7, but f5! >And look at the score of rybka. He sees nothing in this position. >Fritz 9 for example has +3.50 after 42sec. >Shredder 9 after 0 sec.! After 17sec. Score +3.05 As Albert silver proved high score proves nothing here and Fritz9's score goes down later. Uri
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