Author: John Merlino
Date: 13:42:56 06/30/05
Go up one level in this thread
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
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