Author: Jon Dart
Date: 14:48:44 08/22/04
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
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