Author: James C. Logan
Date: 08:50:12 12/03/04
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On December 03, 2004 at 11:14:57, Uri Blass wrote: >On December 03, 2004 at 10:40:40, James C. Logan wrote: > >>On December 03, 2004 at 10:12:56, James C. Logan wrote: >> >>>This is very strange indeed. Under Chessbase 9 using Gandalf 6, the engine will >>>always deliver Qxf1 no matter how much time I give it, while all other tested >>>engines see mate immediately. >>> >>>However - under the Shredder Classic interface, Gandalf 6 sees the mate >>>immediately. >>> >>>What's up with that? >> >>A new wrinkle - the above is certainly true, but only when Gandalf 6 is >>displaying multiple variations! If I use the engine, in Chessbase 9 or Fritz 8 >>interface in single variation mode, then it delivers Qg2++ immediately. >> >>What's up with THAT?? > >I do not understand how you use the engine for playing with multiple variations. >I thought that multiple variation is only for analysis and engines cannot play >in these conditions. > >"the engine will always deliver Qxf1 no matter how much time I give it" means >that it practically plays that move based on my understanding(otherwise you >could say that the engine will always show Qxf1 as the best move). > > >Uri Just a misunderstanding, I am sure. I do not play against the engine in this case. I am analyzing the position given. If I am in the Chessbase interface, I am almost always displaying the top 2 moves from the engine. In this configuration (which i call multivariation) Gandalf 6 does not find the mate, ever. Now, if I set the analysis window to display only the top move, it gets the mate immediately! This happens if I am in the multivariation mode and use the "-" key to reduce it to one move, or if I start out with the engine in single variation mode.
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