Author: Laurence Chen
Date: 13:26:25 05/01/00
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On May 01, 2000 at 01:54:30, Ernst Walet wrote: >On April 30, 2000 at 10:46:55, Harald Faber wrote: > >>This position is a nice test of endgame knowledge for programs: >> >>Which program(s) avoid 1.Bxh7?? g5+!! 2.hxg6+ Kg7 3.Rg8+ Kh6 and draw, white has >>no chance to enter the black fortress. >> >>[D]7R/5kpp/8/7P/4BK2/8/8/3r4 w - - am Be4h7;bm Kf4e5 Kf4g3;id >>Sax-Kovacevic,Sarajewo 1982; > >This is what Fritz6a analyses overnight after making the moves above. > >[D]6R1/7B/6Pk/8/5K2/8/8/3r4 w - - 0 1 > >Still it sees a win for white. Can you line out how the draw is achieved? > >Ernst. >snip Easy question to answer, just remove the White pawn from the above position, and the Tablebases (5 men) will give a score of 0.00. If White cannot win by removing the pawn, it clearly shows that all Black has to do is to prevent the pawn from promoting, and give perpetual check.... Easy draw... :) Laurence
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