Author: Ricardo Gibert
Date: 06:02:57 07/13/05
Go up one level in this thread
On July 13, 2005 at 08:51:15, Günther Simon wrote: >On July 13, 2005 at 08:28:08, Ricardo Gibert wrote: > >>On July 13, 2005 at 08:17:57, Richard Pijl wrote: >> >>>On July 13, 2005 at 06:17:20, Ricardo Gibert wrote: >>> >>>>On July 13, 2005 at 04:07:47, Peter Kappler wrote: >>>> >>>>> >>>>>[D] 8/6k1/1P3p2/5P2/8/5b2/7K/8 w - - 0 80 >>>>> >>>>>It's 3am and I'm certainly tired enough to have missed something subtle, but I >>>>>think this is a very simple draw for White. I'd like to know if there is any >>>>>engine that can see this *without* tablebases. >>>>> >>>>>Oh, and if you do have this 6-piece tablebase, could you please confirm that it >>>>>is a draw? :) >>>>> >>>>>-Peter >>>> >>>>Why can't Black do the following plan? >>>>1) Put his K on d6. >>>>2) Tempo with his bishop to gain e5 for his K. >>>>3) Tempo with his bishop to win the f5 pawn with his K. >>>>4) Queen the f-pawn tempoing with his B as needed. >>> >>>The white king allows access to e5 as he cannot stop it anyway. Instead, the >>>whiteking will defend the pawn from g6, where it go to from h6 or h5 whenever >>>black's king accesses e5. The bishop cannot be used to chase the king away as >>>the white pawn will promote in that case. >>>Richard. >> >>Black plays Ke5 >>White plays Kg6 >>Black plays B somewhere >>White plays K somewhere >>Black plays Kxf5 >>White plays... > >Black never ever gets to e5. Actually Black has to prevent White >capturing the last f6 pawn. Also there is no tempo gain ever >possible, because in all variations White always has 2 choices to move. >(May be you overlooked that White is to move in the beginning >and already wins the important tempo with attacking the Bishop?) >Without the bad placed Bishop f3 Black would win easily. > >e.g. 1.Kg3 Bc6 2.Kg4 no more progress possible... >-> 2...Kf7 3.Kh5 etc. 3...Ke7 4.Kg6 Bb7 5.Kg7= Holy smokes what a blind spot I had! Thanks! >-> 2...Bb7 3.Kh4 etc. >-> 2...Kh6 3.Kh4 etc. > >Guenther
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