Author: Tom Likens
Date: 14:54:27 08/22/04
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On August 22, 2004 at 17:48:44, Jon Dart wrote: >Arasan 8.0 is available from http://www.arasanchess.org. > >Changes in Arasan 8.0: > 1) Extended futility pruning is implemented now. Futility pruning and > razoring can be combined. > 2) Passed pawns are scored higher. > 3) "Capture" extension is now disabled by default. > 4) Fixed some bugs in king-pawn hash table code > 5) Minor changes to hash probe code. > 6) Default tablebases cache size increased, changes to tablebase probe > logic. Generally this version does fewer probes. > 7) New egtb code from Eugene Nalimov & Andrew Kadatch. > 8) Significant changes to evaluation. Evaluation is simpler and > faster. A small evaluation cache is used. > 9) Various speed enhancements, in move generator and elsewhere. > 10) Some fixes to 50-move draw handling. > 11) "makebook" program can now filter moves so that only moves > occurring with a minimum frequency will be included. New book > uses minimum frequency of 6 from a large PGN game collection. > 12) a few minor GUI fixes. > >--Jon Jon, Any idea how much stronger version 8.0 is compared to the previous version? regards, --tom
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