Author: Peter Fendrich
Date: 13:31:26 05/29/01
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On May 29, 2001 at 16:23:59, Djordje Vidanovic wrote: >On May 29, 2001 at 14:42:43, Miguel A. Ballicora wrote: > >>On May 29, 2001 at 14:21:13, Peter Fendrich wrote: >> >>>This position appeared in an ICC game: Guitje - TerraPi >>> >>>[D]2r3kb/5q1p/4pPp1/1p1pP3/p2P2Q1/PrP5/1P3R1R/2B3K1 w - - 0 42 >>> >>>the last move from Terra was 41... b5 >>>Some moves earlier when white made g6, Terra decided to move the bishop from g7 >>>to h8. >>>Both Rb3 and Bh8 are locked in and Terra is absolutely unaware of the >>>hopeless situation. Yes, Terra lost... >>> >>>I see two different but connected problems for computer programs here: >>> - the closed position itself >>> - the two blocked pieces. >>> >>>How do you solve/avoid positions like this? Terra has about equal eval for this >>>position. >>>It is of course possible to punish pawn chains like this in order to avoid >>>closed positions but is that really a solution and how to deal with blocked >>>positions? >>> >>>//Peter >> >>Mobility helps a little in this respect. My program Gaviota has an small >>evaluation where the mobility component is a big % of it. I gives in this >>position +1.75 for white. >> >>Regards, >>Miguel > >Does Black have enough time for the pawn b5 to b4 push? That could change the >situation somewhat... > >*** Djordje Not really. White to move have either Rh6 followed by Rfh2 and Rxh7 followed by Rh2+, both are easy win I think. //Peter
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