Author: Uri Blass
Date: 03:50:28 08/19/01
Go up one level in this thread
On August 19, 2001 at 03:00:05, Robin Smith wrote: >On August 19, 2001 at 00:08:15, Uri Blass wrote: > >>On August 18, 2001 at 18:37:58, Sune Larsson wrote: >> >>> >>> [D]8/8/8/5Bp1/7k/8/4pPKP/8 w - - 0 1 >>> >>> Chekhover, 1952 >>> >>> >>> This is a position that gives Deep Fritz headaches. >>> The theme is "Imprisoned King", but DF wants to play 1.h3? >>> which gives black the opportunity to break loose with 1.-g4. >>> >>> White draws with 1.Bg4! e1Q (1.-Kxg4 2.f3+ and 3.Kf2) 2.h3 >>> Now black's king is totaly paralyzed. The doors are closed >>> and no where to go. White just moves his king and black can >>> make no progress with a solitary queen. >>> >>> Sune >> >>This problem is going to be solved easily as soon as the relavent 6 piece >>tablebases will be available. >> >>You only need the KQ vs KBPP tablebases and I expect them to be ready in the >>next 10 years. >> >>Uri > >How are the 6 piece tablebases going to help with a fortress position that has 7 >pieces? > >Robin It can help to see that Deep Fritz's line of 1.h3 is losing for white because of g4 when capturing leads to mate for black and avoiding losing moves is enough to find the right move. Uri
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