Engine Updates

Fruitfly 1.0 (UCI)
C++ source; Win32, Mac; this is a Fruit 2.1 derivative
- this is a source-code-only release
- adaptive nullmove (Ernst Heinz's R formula)
- stepped futility margin (Mother Nature took it from the Rodent)
- adjustable futility depth (depth 1 to depth 5)
- aspiration windows
- REBEL lazy eval in QSearch
- quiescence capture pruning (prune if (Value_capturing > Value_captured && SEE(move) < 0))
- adjusted piece values (taken from Pichy's queen value thread)
- lethal move reductions (moves past move seven are automatically reduced a second ply, after fourteen reduced a third ply, after twenty one reduced a fourth ply and after twenty eight are pruned completely)
- alpha-beta SEE
- "includes a few more features than Fruit 2.1 - so I predict around +50 elo or so"
https://github.com/ZirconiumX/fruitfly
http://www.thelumpit.net/fruitfly-1.0.zip (direct link)

Chess News

Norm Pollock site
PGN, EPD & TXT Utility Suites and Opening Book PGN Databases
- updated PGN program: nameList (now includes the number of times playing White & Black)
http://www.hoflink.com/~npollock/chess.html

Down/Problem Chess Websites

Dann Corbit homepage down for 290 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

AVG Anti-Virus Free Edition 2012.0.2127
Free anti-virus, anti-spyware program with excellent protection for Win32/64
Free version downloads are no longer possible from the company website
http://free.avg.com/us-en/download.prd-afh.line-2012

Macrium Reflect Free 5.0.4432
Windows32/64 disk imaging; free edition has full image backups/restores only and only for private use
http://www.macrium.com/reflectfree.asp

Maxthon 3.3.7.1000
free IE-based web browser with many extra features and plugins
http://www.maxthon.com/

MySQL Community Server 5.5.23
free (Community Server Edition only!), cross-platform, very popular open source SQL database
http://www.mysql.com/downloads/mysql/ (download)
http://dev.mysql.com/doc/refman/5.5/en/news-5-5-23.html (changelog)

PHP 5.3.11 RC 2
PHP is a very popular open source scripting language mostly used for web applications
- this is a *release candidate*
http://php.net/ (homepage)

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