Engine Updates

Bobcat 3.25 (UCI)
C source; Win32/64
- added singular move search extension
- added passed pawn search extension
- added single reply search extension
- changed condition for check search extension
- removed pawn piece square tables
- changed mobility evaluation
- added lazy evaluation
- fixed depth search now possible
- added time-to-depth test command (in console mode)
- code refactorings & improvements
- bug fixes
https://github.com/Bobcat/bobcat/downloads

SharpChess2 2.6.8 (WB)
C# source; own GUI; Win32/64; requires .NET Framework version 4.0 (or later)
- corrected the way search node counts are reported to Winboard/Arena
- fixed time management in Winboard & Arena games
- added unit test for Check Hash Table
- centralised activation of key features in Game class
- futility reductions increased from 1-ply to horizon
- margin futility reduction disabled
- extension and reduction code moved into separate methods
- added original SharpChess logo from WBEC website
- SharpChess2_8_8 vs. SharpChess2_6_5 : 7.5/10 7-2-1 (1111101=01) 75% +191
http://sharpchess.com/

StockFish LS v2 AS (UCI)
modified Stockfish by Alexander Schmidt to add scalable 'Limit Strength'
C++ source; mp; FRC; Win32
- "Problems with pondering fixed. Seems to run pretty stable now"
http://www.mediafire.com/?eh8hjqq1hj1tt53 (direct link)

Yesterday's Alfil update was in error; the engine supports UCI only

Chess News

Xboard Hgmaster Branch Beta for Mac
build is by 'Darklord42'
- silent bugfix update
http://www.mediafire.com/download.php?4zapvr94d6btv69 (direct link)

Down/Problem Chess Websites

Asterisk homepage down for 66 days
Bestia homepage down today (a 110mb.com site)
ChessAlex homepage is down for 19 days
Dann Corbit homepage down for 195 days
GreKo homepage down today (a 110mb.com site)
PolarChess homepage down for 2 days (no response in 60 seconds)
Tony's Chess homepage down today (a 110mb.com site)

Wiki Changes

Chess Engine List
update by Ron Murawski
- Alfil: corrected protocol to UCI only
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list

GUI Protocol List
update by Norbert Raimund Leisner
- Aquarium: revised comment; added a link
- Chess Assistant: revised comment; removed a link
- Shredder: added a link
- UCI Chess Trainer: moved back into main list
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:gui_protocol_support_list

ICGA Tournament Engine List
update by Norbert Raimund Leisner
- added a huge amount of engines to the list: Challenger -> Dutch
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:icga_tournament_list

Private Engine List
update by Norbert Raimund Leisner
- corrected Ikarus programmer names
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:private_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 crash
- release candidate software may contain minor bugs; crashes are rare

CrystalDiskInfo 4.2.0 Beta 2a
open source hard drive monitoring/warning/alarm system using SMART technology
- this is a *beta* release
http://crystalmark.info/?lang=en

FileZilla Client 3.5.3
open source ftp client; recommended
http://filezilla-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