Engine Updates

Cheng3 1.05 (UCI)
C++ source; Win32/64; Gaviota egtbs
"should be somewhat stronger"
- some (q)search and MVV/LVA fixes
- more aggressive LMR
- added a small opening book
- added gtb probing code license.txt (forgot that in 1.04)
http://www.vlasak.biz/cheng

Ifrit m1.3 (UCI)
C++ source (Russian language comments); Win32/64, Linux 32/64
- changed the sort of moves
- changed the estimate of the position
- corrected search
http://translate.google.com/translate?u=http%3A%2F%2Fandchess2006.narod.ru%2F&hl=en&ie=UTF-8&sl=ru&tl=en
http://www.sdchess.ru/download_engines.htm (alt download site)

Chess News

Norm Pollock site
PGN & EPD Utility Suites and Opening Book PGN Databases
- updated EPD book: PosBooks - a collection of EPD opening position books
- new EPD book: PosBookSuper - 16,299 neutral opening positions after 10th move (20th ply)
http://www.hoflink.com/~npollock/chess.html

Down/Problem Chess Websites

Bubble homepage down today (this site is down more often than up)
Damas homepage down today ("Free Web Hosting Discontinued")
Dann Corbit homepage down for 91 days
GreKo homepage down for 11 days (a 110mb.com site)
Ildtiadar homepage down for 4 days
Pyotr homepage down for 13 days

Wiki Changes

Source Code Only List
- added FirstChess
http://www.computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list#source_code_only_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 crash
- release candidate software may contain minor bugs; crashes are rare

CCleaner 3.11
free registry and file optimization/privacy/cleaning tool; thorough and effective: recommended
http://www.piriform.com/ccleaner (CCleaner homepage)
http://www.piriform.com/blog/2011/9/26/ccleaner-v311 (announcement)

PostgreSQL 9.1.1
open source SQL database for high performance and high availability applications
http://www.postgresql.org/ (homepage)
http://www.postgresql.org/about/news.1355 (announcement)

Shedskin 0.9-1
Python to C++ compiler
"a typical speedup of 2-200 times over standard CPython"
- for GNU/Linux, OSX; Windows build not available yet
- first time listed here
http://code.google.com/p/shedskin/

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