Author: Ulrich Tuerke
Date: 03:57:38 02/14/00
Go up one level in this thread
On February 10, 2000 at 23:11:02, Robert Hyatt wrote: >On February 10, 2000 at 22:22:02, Howard Exner wrote: > >>[D]8/4k3/2bq4/1p6/p6P/P5P1/1P2QP1K/8 b - - id Comet - Diep; >> >>Is this a tough choice for a computer to make? Diep played Qe6 and Comet went on >>to win. >>What do other programs prefer here? Seems that in this case leaving the Queens >>on would benefit black or at least exchanging them under more favourable >>circumstances. > > >This game was a dead draw until Diep played Kf7 rather than Kg6 a few moves from >this point. Crafty saw that turning into a KPP vs KB ending that the tablebases >said was 'drawn'. I think vincent's program thought (for reasons unknown) that >KB vs KPP was lost for the KB, so he wouldn't go for that. > >I had crafty analyzing during the game, and until he played Kf7 the score was >zero. After Kf7 my score jumped to +2.5 and kept going. within 5 moves it >was at +10 or so... I have also had a closer look to this. It seems that already the queens exchange lost the game. I think that also Kg6 looses though not as obvious as Kf7. In my analysis, the white king will capture the queen side pawns of black in this case. Uli
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