Update Information: November 15, 2010 (Updates)
Engine Updates
Deuterium 10.01.27.213 (WB)
Win32
"probably an increase of 25-50 points compared to previous version"
- modify evaluation codes on piece mobilities - do not inlude x-rays
- modify rook evaluation on open files and half open files
- tune rook at 7th and 8th rank bonus score in evaluation
- added queen and rook piece square tables
- King piece square tables now use 2 tables, 1 for opening and for ending
- save null move search info to transposition table
- added win evaluation pruning in search()
- added loss evaluation pruning with qsearch verification in search()
- modify see() routine - calculate sliders that might pin pawn attackers
- added futility pruning in qsearch()
- updated big books
- fixed minor bugs everywhere, improve code readability
- added option "Gui" in deuterium.ini file so that Deuterium will know which Gui it is run; this also will fix analyze mode under Arena gui, when you set Gui Arena in deuterium.ini file
- added check evasion routine to handle move generation when side is in check
- added non capture check move routine for qsearch()
- modify null move conditions - do not do null move if previous move is a hash move, or mate killer move, also modify depth reduction R
- improve probing of bitbase, use piece list instead of scanning the whole board to locate pieces
http://sites.google.com/site/deuteriumengine/ (new homepage)
Redqueen 0.7.5 (UCI)
1 commit(s) to the C++ source code (commits= 473), no new build
http://sourceforge.net/projects/redqueenchess
Chess News
SCID
PGN database program for creating opening books, also a Chess GUI
5 revision(s) to the C++ source code today (patchset = 625)
no build for this version
http://sourceforge.net/projects/scid
Stockfish 2.2 for iPad/iPhone
Engine & GUI
- engine renamed from Glaurung to Stockfish and updated
http://itunes.apple.com/us/app/stockfish-chess/id305558605?mt=8
Down/Problem Chess Websites
Frenzee homepage down for 90 days (webpage taken down until new engine release)
NSVChess homepage down for 44 days (403 error: forbidden)
Prophet site down for 14 days ("This domain name expired on 11/01/2010 and is pending renewal or deletion")
Holger Schluckebier Mac builds homepage down for 24 days (internal server error)
Michel Van den Bergh sites back up (GNUChess, Polyglot, and Toga)
Smash homepage back up
Wiki Changes
Nothing new today
Bonus Notifications (recent releases of free stuff)
Warnings:
- do not install unwanted toolbars, etc.
- alpha releases have new features; crashes and bugs are to be expected
- beta releases have new features; they may contain bugs or crash
- release candidate software may contain minor bugs; crashes are rare
BurnAware 3.1
CD/DVD/Blu-ray disc-burning software
http://www.burnaware.com/burnaware_free.html (info)
http://www.burnaware.com/downloads.html (download)
Meaning of Colors
Red = New or Warning
Green = Updated
Gray = Info Only
Engine List: http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list
Chess News: http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_news_list