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Subject: Re: 6 tablebase question

Author: Daneil Johnson

Date: 15:41:02 02/22/06

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Hello Uri,

I ran program on Fritz 9 with my 6-piece tablebases and it came up with:
Dept=26/1 eval.  +1.86 8m35s Rd1 Ke7, Rb1 Kd6, Rb6 Ke7, Rb7+ Ke8, Rc7 Bd7,

Rybka 1.01 beta 13b gave:  Dept=46!!  7m09s
+2.50 Rb1 sorry didn't get rest of line couldn't believe dept
Fundamental Chess Endings page 278 gives a similar position that white can win
if he can move king at some point in front of pawn.  When I first saw position
I also considered it drawn, but I don't think so now.  My tablebases don't
include this krp vs kbp but its appears to be a win for white with correct play.
 I didn't check my other endgame encyclopedias



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