Author: Sarah Bird
Date: 21:06:59 05/30/99
Go up one level in this thread
On May 30, 1999 at 20:37:36, Melvin S. Schwartz wrote: > >On May 30, 1999 at 20:21:49, Paulo Soares wrote: > >>On May 30, 1999 at 19:31:02, Anatoli wrote: >> >>>Hi ! >>>Yeasterday I got in an interesting situation when I wanted to show Fritz 5.32 in >>>action. One of my friends proposed a very easy task to solve. I said that Fritz >>>5.32 played at IG level and could solve most of the problems in seconds. But >>>then we gave Fritz 5.32 a well known task by P.Morphy, which we knew >>>since our childhood. >>>Here it is : >>>W. Kc8, Ra1, b6 >>>B. Ka8, Bb8, a7,b7 >>>Checkmate in 2. 1.Ra6 ba 2.b7X 1.Ra6.B--- 2.Rxa7X >>>Everybody knows this chess puzzle. I set up this position and smiled quite >>>loudly. Then I press the Watch button on the main tool bar and proposed >>>Fritz to Play. To my big confuse Fritz 5.32 gave 1.Kd7 !!!??? It didn't find >>>1.Ra6. Why ? I repeated this task many times but Fritz proposed only 1.Kd7. >>>Then I gave this position to all available engines and they solved it in 1 >>>sec.So, can anybody try this super difficult position on your computer ? Fritz >>>5.32 can checkmate now with a knight and a bishop. But will it be able to find >>>athis checkmate in 2 ? >>>Thanks >>>Anatoli >> >>It places in "Infinite Analyses", with two or more variants, >>Fritz5.32 will find Ra6 immediately. Stranger, it's not the >>first time that I see a bug to be decided using the mode >>"Infinite Analyses" with more than one variant. >> >>Paulo Soares, from Brazil > >Hi Paulo > >If I understand you correctly, you are saying the problem was Anatoli had it set >up at the infinite level? I tried it on my Fritz 5.32 and got the same result. >The problem with using set up on Fritz is that the screen doesn't show what >level you're in. I always have it set for 40/2, so does this mean Fritz >automatically goes to the Infinite level when in set up, or was it in the 40/2 >mode? > >Mel He is saying that if on infinite Analysis looking at one move it will not find it, mine for ex sees 1. KD7. But looking at more than one move click + it sees it instantly. UltraB
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