Engine Updates

Jim Ablett Win builds
ArabianKnight 0.93 JA (WB)
Java source; own GUI; Win32
- new chess book
- epdtest fixed
- some bugs fixed
http://homepages.tesco.net/henry.ablett/jims.html

Protector 1.3.2 (UCI)
1 revision(s) to the C++ source code today (current = rev. 221), no new build
http://sourceforge.net/projects/protector/ (project site)

Redqueen 0.3 (UCI)
1 commit(s) to the C++ source code (commits= 168), no new build
- fixed bug in time management
- changed null move & LMR parameters - for testing
http://sourceforge.net/projects/redqueenchess

Jim Ablett Win builds
Stockfish 1.6.3 JA (UCI)
C++ source; mp; FRC; Win32/64, Linux32/64
- extend maximum hash size to 8GB (it was 2 GB)
- fix a possible crash when using many threads (thanks to Bruno Causse for the fix)
- fix en-passant parsing from fen string
- fix various UCI interface issues so that now connection with GUI should be reliable with all the GUIs
- fix compatibility with gcc 4.4
- fixes a Chess960 bug when playing with more than one search thread
- add hardware POPCNT support for gcc: use 'make gcc-popcnt' to enable hardware POPCNT support if you have an i7 / i5 CPU
- fix sending of best move during an infinite search
- optimized "Minimum Split Depth" for 8 cores and removed auto-limitation to 7 cores (thanks to Louis Zulli)
http://homepages.tesco.net/henry.ablett/jims.html

Dann Corbit Win64 builds
Stockfish 1.6.3s DC (UCI)
C++ source; mp; FRC; Win64 only
- altered by Dann to add smooth scaling of null move
the exe file is found in the src directory!
there is no explanation/description of DC changes in any readme file
DC: "There are UCI options for each of the three new UCI parameters"
these options do not seem to be documented anywhere
this is *not* an approved Stockfish release!
http://cap.connx.com/chess-engines/new-approach/sf_1.6.3.7z (direct link)

Twisted Logic 20100131 (WB/UCI)
Win32/64
- a lot of changes in the eval
- a lot of changes in the search including bugfixes
http://sites.google.com/site/edapostol/home

Chess News

SCID
PGN database program for creating opening books, also a Chess GUI
1 revision(s) to the C++ source code today (patchset = 555)
no build for this version
http://sourceforge.net/projects/scid

WinBoard 4.4.2b
the original release was defective, please re-download
http://www.open-aurec.com/wbforum/viewtopic.php?f=19&t=50387

Down/Problem chess websites
Amundsen homepage down for 18 days
Ares homepage down for 9 days
Betsy homepage down for 28 days
Colossus homepage down for 34 days
Kenny Dail (Mac) builds site down for 6 days
Typhoon homepage down for 12 days
George Lyapko website is an attack site and dangerous to visit

Wiki Changes

Private Engine List
- added Hannibal
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:private_engine_list

Chess Engine List
- added Robin to the Retreated Engine List
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list

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 occasionally crash
- release candidate software may contain minor bugs; crashes are rare

FeedDemon 3.1.0.12
free desktop RSS reader/manager
http://www.newsgator.com/Individuals/FeedDemon/Default.aspx

FreeFileSync 3.3
open source Win32/64 & Linux folder comparison and synchronization tool. Recommended.
http://sourceforge.net/projects/freefilesync/

µTorrent 2.0
open source BitTorrent client
http://www.utorrent.com/

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