Author: Sune Larsson
Date: 12:36:17 03/02/01
Go up one level in this thread
On March 02, 2001 at 15:27:15, Uri Blass wrote: >On March 02, 2001 at 14:54:28, Uri Blass wrote: > >>On March 02, 2001 at 14:48:47, Uri Blass wrote: >> >>>On March 02, 2001 at 14:46:27, Uri Blass wrote: >>> >>>>On March 02, 2001 at 14:39:10, Sune Larsson wrote: >>>> >>>>> >>>>> [D]1k3b1q/pP2p1p1/P1K1P1Pp/7P/2B5/8/8/8 w - - 0 1 >>>>> >>>>> Horwitz,B 1885 >>>>> >>>>> This one might prove as mission impossible. Black is totally paralysed >>>>> from start and white is winning - but how?? Maybe more amusing for >>>>> humans than for silicons. One could characterize black's position >>>>> as slightly passive ;) but how could white make progress. Looks hard... >>>>> >>>>> Test: Win it! Draw scores like 0.00 are not trusted... >>>>> >>>>> Sune >>>> >>>>I believe that for humans it is easy. >>>> >>>>The idea is simply zunzwang because it is clear that other things do not work. >>>> >>>>1.Kd7 Qg8 2.Bb5 Qh8 3.Kd8 Qg8 4.Bd7 Qh8 5.Be8 Qg8 6.Kd7 Qh8 7.Bf7 >>>> >>>>I did not use a computer to find this line. >>>> >>>>Uri >>> >>>I see that this line is wrong because of stalemate after Qxe6 Bxe6 at the right >>>moment. >>> >>>Uri >> >>I think the right idea is to start with Kd5 and after it to get with the bishop >>to f7 with no stalemate and after it to get a zunzwang by getting forward with >>the king. >> >>Uri > >again there is a stalemate idea of Qg8 and white need also to sacrifice the b >pawn in order to force mate by Be8-c6# > >Uri Looks like you are much faster than the computers in this one, Uri. ;)
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