Author: Ricardo Gibert
Date: 11:23:17 10/22/00
Go up one level in this thread
On October 21, 2000 at 09:27:22, James T. Walker wrote: >On October 21, 2000 at 05:28:14, Uri Blass wrote: > >>I composed this position to see if chessmaster can see perpetual check. >> >>[D]4k3/6RQ/6PP/8/r7/8/r7/7K b - - 0 1 >> >>The target is to see 0.00 score >> >>I found that chessmaster does not see the draw even after some minutes but after >>Ra1+ Kg2 it can see the draw very quickly in clearly smaller depth. >> >>The same after Ra1+ Kh2 >> >>I tried also Fritz5.32 and it does not see the draw at least after a short time. >> >>If I give Fritz5.32 the moves Ra1+ Kg2 it can see the draw but after Ra1+ Kh2 >>it has problems to see the draw. >> >>Fritz5.32 expects Kg2 when it plays Ra1+ and wants to play Kg2 at depth 13 with >>evaluation 0.00. >> >>How many squares can the white king visit before the repetition?(it is clear >>that the white king cannot visit all the 21 squares (b1-b3... h1-h3)) >> >>Uri > >Hello Uri, >Why can't the White King visit all 21 squares? If the King takes the pattern of >h2,g1,[g2],f1,(f2),e1,{e2},d1,*d2*,c1,$c2$,b1,b2,b3,b2,c3,$c2$,d3,*d2*,e3,{e2},f3,(f2),g3,[g2],h3,h2,h1,[g2],f1,(f2),e1,{e2},d1,*d2*,c1,$c2$,b1, >it has visited all 21 squares and taken 38 moves without hitting the same square >3 times. What did I miss? >Jim You visit the c2, d2, e2, f2, & g2 3 times. See my other post for my solution.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.