Author: Helmut Conrady
Date: 12:04:33 05/29/01
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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 Tiger 14 gives +4 for white Analysis by Chess Tiger 14.0: 1. +- (4.00): 42.Th6 Tc7 43.Tfh2 De8 44.Dh3 Df7 45.Lg5 Tb7 46.Dh4 Td7 2. +- (3.50): 42.Th4 Tc7 43.Lg5 h5 44.Dh3 Tc8 45.Lh6 Kh7 46.Lg5 Helmut
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