Author: Mark Young
Date: 00:26:59 05/24/99
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On May 24, 1999 at 03:05:12, Terry Ripple wrote: >On May 22, 1999 at 20:59:35, Mark Young wrote: > >>In the game played today with GM Rohde's we have another example of Rebel 10's >>tactical blindness with its 26th move f4. This is just the latest example of >>Rebel 10's tendancy to miss tactics that other programs understand with ease. I >>understand that all programs miss some tactics from time to time, but Rebel 10's >>frequency of tactical blindness is perplexing to me. It misses stuff that other >>programs see in seconds, even after playing a blunder its evaluation my not drop >>for many moves before understanding the danger. >> >>In the latest example I gave the position to Rebel 9, it had no problem seeing >>that both 26. f4 and Bxb7 lose quickly and playing the correct 26. Bg2 as other >>programs play. >> >>On the other hand even after the move 26 f4, Rebel 10 still think it has an >>advantage for almost 4 mins, before seeing the error of 26. f4. >> >>Is this tactical blindness a bug in Rebel 10, or a justifiable design choice to >>let rebel strengthen other areas of its play? > > > Well,CM6000 likes the same move and believes its an even game! But allow Chess >Master to continue its search for 7 min.:17 sec.and it then shows a -4.57 score >for the move f4! It only changes its move to Bg2 after thinking for 16 min.:18 >seconds! This test was on a 266 mhz.,AMD K6 with 64 mb.RAM. Hashtable at 16MB. This is still much better then Rebel 10...even after the move f4 it still thinks it has the advantage for almost 4 mins.
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