Engine Updates

Arasan 11.6 (WB/UCI)
Win32/64, Linux, Mac; C++ source; mp
1) Several speed improvements:
- a. Greater use of lazy eval + partial evals are now cached
- b. Best move and score in eval cache can be independently updated
- c. Eval cache is shared across threads
- d. better alignment/sizing of structures
2) Scoring changes:
- a. Bishop pair bonus decreased a bit
- b. Mobility scores tweaked
- c. Outpost scoring tweaked
- d. Some king safety changes esp. for enemy pawns near King
3) Search changes:
- a. Now using variable reduction null move again
- b. Allow reduce/prune on moves regardless of history, except the two moves with best history are exempt
http://arasanchess.org/

Gaviota 0.74.11 (WB/UCI)
tablebase check program also updated
Win 32/64, Linux (old version only)
http://sites.google.com/site/gaviotachessengine/

Ifrit j2_1 (UCI)
C++ source (Russian language comments); Win32
- returned to a permanent reduction of the zero 4
- including the extension of exchanges in the main form
- finalized the mobility figures and the attack on the king
- corrected estimate of position
http://translate.google.com/translate?u=http%3A%2F%2Fandchess2006.narod.ru%2F&hl=en&ie=UTF-8&sl=ru&tl=en

Jim Ablett Win builds
- Kurt 271009 JA (UCI) for Win32/64
bugfixed to work with latest Polyglot adapter
http://homepages.tesco.net/henry.ablett/jims.html

Down chess websites
Smirf site down for 26 days

Chess News

SCID
1 revision(s) to the C++ source code today (patchset = 513)
no build for this version
http://sourceforge.net/projects/scid

Slibo (engine + GUI)
1 new commit(s) to the C++ source code (commits = 152), no new build
http://sourceforge.net/projects/slibo

Wiki Changes

FACE Tournament
- updates showing latest tournament results
http://computer-chess.org/doku.php?id=computer_chess:tournaments:face

Chess Engine List
- removed Alf homepage link, it has been down almost a month
- removed Eden homepage link, it has been down almost a month
- removed Fimbulwinter homepage link, it has been down almost a month
- removed GreKo homepage link, it has been down almost a month
- Kaissa moved to retreated engine list
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list

Bonus Notifications (recent releases of free stuff)

Note: Be careful not to install unwanted toolbars, etc.

ATI Catalyst 9.11 Drivers
Free. For those with ATI graphics card (Radeon) or ATI motherboard/integrated chipset
http://game.amd.com/us-en/drivers_catalyst.aspx

CodeLite IDE 2.0.3365
excellent open source cross-platform IDE for all C/C++ compilers. Recommended
Features: syntax highlighting for many languages, plugins, version control, code completion, fuction call tips, etc.
http://codelite.org/ (homepage)
http://codelite.org/ComingRelease/NewFeatures (new features)
http://codelite.org/forum/viewtopic.php?f=9&t=642 (complete description)

Miranda IM 0.8.10
open source instant messaging program
http://www.miranda-im.org/

VirtualBox 3.0.12
open source general-purpose full virtualizer for x86 hardware
runs on Windows, Linux, Macintosh and OpenSolaris as host
install several guest operating systems onto the same computer
http://www.virtualbox.org/wiki/Guest_OSes (list of guest operating systems)
http://www.virtualbox.org/ (homepage)
You can be the guy with all the operating systems! (screenshot)
http://www.virtualbox.org/attachment/wiki/Screenshots/snapshot-details.png

Wireshark 1.2.4
open-source network protocol analyzer (packet sniffer) for advanced users
http://www.wireshark.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