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Update Information: December 24, 2011 (Updates)

by Ron @, Saturday, December 24, 2011, 22:42

Engine Updates

DoubleCheck 2.31 (UCI)
C source; Win64, Linux64
- added/revised features:
--- do not clear hash when 'ucinewgame' command is received
--- do not reduce passed pawn pushes into the enemy's half board
- code improvements:
--- makefile added
--- reorganized the hash_t structure, and packed it more efficiently into 16 bytes i/o 24; the keys stored in the hash table are now 62 bits, i/o 56
--- TT allocation code improved, only alloc TT at the last moment, to reduce memory footprint
- bugfixes:
--- crashed with Hash=4096; hash changed to min=1 max=8192 default=32
--- PV line is now displayed in long algebraic notation, in accordance with the UCI standard
--- 3-move repetition was causing an endless PV
--- UCI parsing code more stable, and more verbose error messages; use long algebraic notation to conform with the UCI protocol
- "its elo should be (almost) identical to version 2.3"
http://wbec-ridderkerk.nl/html/details1/DoubleCheck.html (Leo page)

NOTE: Komodo download page has all 'Komodo 4' references removed :-(

Chess News

Scid On The Go 1.26 for Android
Scid database browser ported to the Android by Gerhard Kalab
http://code.google.com/p/scidonthego/

Down/Problem Chess Websites :-(

Aristarch homepage down today (no response in 60 seconds)
Asterisk homepage down for 51 days
ChessAlex homepage is down for 4 days
Damas homepage down for 90 days ("Free Web Hosting Discontinued")
Dann Corbit homepage down for 180 days

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

SeaMonkey 2.7 Beta 1
open source all-in-one Internet suite: browser, email, news feed, newsgroups, IRC chat, & html editor
- this is a *beta* release
http://www.seamonkey-project.org/

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

NOTE: If you want me to track a website for you, please email me and I will add it.
ron _at_ computer-chess _dot_ org

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