Author: Tony Werten
Date: 08:14:04 04/27/01
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On April 27, 2001 at 10:40:58, James T. Walker wrote: >This position was reached DF/DJ the other day. The behavior of Deep Fritz is >not unusual for programs with tablebases. That is trying to give away a piece >to reach the won ending in tablebases. My question is, why do these programs >think that the piece will be taken? Why would taking the piece be in the PV >when it is obvious that taking it leads to mate and it is not the best move? If >it is not expected to capture the piece then what would be the point of the >move? I'm not talking about later when taking the piece was done because it >leads to a longer mate than not taking the piece. Programmers? Anyone? I have the following pv 6/11 99,865 3s 41Kn/s 1.Rc6 Kb4 2.Rb3+ Ka4 3.Ra6+ Rxa6 This means it's a checkmate in 135 ply. If black doesn't take the rook he looses even faster. Tony > >[D]r7/8/5R2/2k5/8/3R1K2/6P1/8 w - - 0 70 > >Thanks, >Jim
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