Author: Terry McCracken
Date: 16:03:23 02/09/06
Go up one level in this thread
On February 09, 2006 at 17:27:35, Uri Blass wrote: >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? 1. f5?! wins but isn't as good as the simple Rxc7! Terry > > >>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
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.