Author: Dennis Breuker
Date: 02:52:23 07/01/05
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On June 30, 2005 at 16:42:56, John Merlino wrote: >On June 30, 2005 at 15:57:25, Zappa wrote: > >>On June 30, 2005 at 15:21:48, Dennis Breuker wrote: >> >>>This is a nice test position (analysis from one of my own games). >>> >>>[D] 1k1r4/5p1p/BpQ1np2/3pp3/1P1q4/P7/3K4/R7 w - - >>> >>>White is threatening mate in one. >>>Black can't do anything about it. >>> >>>What do your programs do? >>>Do they play the losing Kc2, letting Black exchange Queens? >>> >>>Or do they play the drawing move Ke1!, sacrificing the rook with check. >>>After Ke1, the resulting position is a draw, since Black has to give >>>a perpetual check (otherwise White mates). >>> >>>Dennis >> >>How does white draw after 1. Ke1 Qxa1+ 2. Kd2 Qd4+ 3. Ke1 Qe4+ 4. Kd1 Rd7 5. >>Qxd7 d4 ? >> >>anthony > >Exactly. If Black can make check on the a8-h1 diagonal, then play d4 -- problem >solved. > >jm Hmm... It seems you are right. :( Okay, so this is not a good test position, and the computer saw more than I thought. How can it be that I still underestimate these monsters? :) Sorry to have wasted your time. Dennis
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