Update Information: July 26, 2009

Engine Updates

Update: Chesley the Chess Engine 241
no build for this version yet
http://sourceforge.net/projects/chesley/

Update: Critter Chess 0.40
- fixed a memory corruption bug
- MultiPV support
- improved passed pawn eval (protected passer, friendly/enemy rook behind passer)
- improved mobility eval (counting pseudo-safe squares)
- more agressive pruning/reductions
- 4 slots per transposition table entry
http://sourceforge.net/projects/critterchess/

Update: Gray Matter 1572
- added a time buffer so we stop losing on time
- some mild heuristic modifications
most recent exe files: 1572 (x64) and 1569 (Win32)
http://code.google.com/p/gray-matter/

Update: Sjakk
engine + GUI updated: no version number indicated
http://www.pvv.ntnu.no/~jacobbl/jacob/Sjakk/Sjakk.htm

Info Only: Down chess websites
Pierre site down for 33 days
LarsenVB site back up
Sinobyl site back up

Chess News

Update: Polyglot 1.4b27
Michel Van den Bergh's Linux and Windows builds based on Fonzy Bluemers modification
of Fabien Letouzey's Polyglot with original work and bugfixes
- Option "ScoreWhite" : report score from white's point of view (suggested by E.M.).
- Option "KibitzInterval" : try to wait this many seconds between kibitzes (suggested by E.M.)
updated files:
- ChangeLog 26-Jul-2009 17:41 5.8K
- manpage.txt 26-Jul-2009 17:41 19K
- polyglot-1.4b27-1.i386.rpm 26-Jul-2009 17:41 102K
- polyglot-1.4b27.tar.gz 26-Jul-2009 17:40 245K
- polyglot_1.4b27_i386.deb 26-Jul-2009 17:41 105K
- polyglot_dev.exe 26-Jul-2009 17:41 104K
http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release/

Wiki Changes

Private Engine List
added NaltaP

Invisible Technical Improvements
- SourceForge recently redesigned the layout of their website, so I redesigned
my program detecting engine updates to eliminate false positives