Engine Updates

DiscoCheck 4.2.1 (UCI)
C source; Win64, Linux64
- 64-bit builds only
https://github.com/lucasart/chess/ (project page)
https://github.com/lucasart/chess/raw/master/bin/discocheck_4.2.1_sse2 (Linux SSE2)
https://github.com/lucasart/chess/raw/master/bin/discocheck_4.2.1_sse4.2 (Linux SSE4.2)
https://github.com/lucasart/chess/raw/master/bin/discocheck_4.2.1_sse2.exe (Windows SSE2)
https://github.com/lucasart/chess/raw/master/bin/discocheck_4.2.1_sse4.2.exe (Windows SSE4)

Firenzina 2.3.1 (UCI)
C source; mp; Win32/64; supports Robbobase egtbs; engine is based on Fire, which is an IvanHoe derivative
https://github.com/Censor/Firenzina (source code)
http://firenzina.wikispaces.com/ (homepage + downloads)

NG-Play 8.4 (WB)
C source; Win32
- better search (check evasions, mate threat extensions)
- futility pruning in frontier nodes (depth 1 and 2)
- optimizations in static evaluation
- position hashing
- some bug fixes
http://users.otenet.gr/~yggeorgo/

Pawny 1.0 (UCI)
C source; Win32/64, Linux32/64, Mac64; can use Gaviota egtbs
- entirely rewritten engine with magic bitboards
http://pawny.netii.net/

Chess News

Nothing new today

Down/Problem Chess Websites

AdaChess homepage down for 9 days ("account has been suspended")
Armageddon homepage down for 33 days (403 error: forbidden)
Dolphin homepage down for 76 days (not found)
Elf homepage down for 30 days ("domain name expired")
JavaRival homepage down for 40 days (no response in 60 seconds)
Power Chess PGN Databases page down for 21 days (not found)
Pyotr homepage down for 73 days (not found)
Wing homepage down for 25 days (misconfigured server)

Wiki Changes

Chess Engine List
update by Ron Murawski
- Arasan: added repository link (thanks, Norbert!)
- Belofte: removed dead link
- added Cengix, removed Yacen to/from Source Code Only List (thanks, Norbert!)
- added GoChess & GoChessBB to Source Code Only List
- InmiChess: removed dead link
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list

GUI Protocol List
update by Norbert Raimund Leisner
- added ChessSMS
- ngboard: added another link
- added: Universal Chessbot Client
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:gui_protocol_support_list

Linux Engine List
update by Norbert Raimund Leisner
- AdaChess: revised comment
- Belofte: revised comment
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:linux_engine_list

Play Chess Online List
update by Norbert Raimund Leisner
- Jin: updated link, added a link
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:play_chess_online_list

Variants Engine List
update by Norbert Raimund Leisner
- added TeleSpace
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:variants_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

Adblock Plus 1.4.1 for Chrome and Opera
free, open source browser plugin that blocks most web advertisements
http://adblockplus.org/en/

Digital Mars D Compiler 2.063
free cross-platform compiler; an efficient and modern OO language
http://www.digitalmars.com/d/download.html

EaseUS Todo Backup Free 6.0
free backup program w/many features: hard disk image, full/incremental/automatic file/folder backups, and disk clone
http://www.todo-backup.com/products/home/free-backup-software.htm

Jenkins 1.517
cross-platform, open source, continuous integration server for developers
- automates the building/testing process
http://jenkins-ci.org/

Opera 15.00 Next
open source web browser; very popular browser for tablets and phones
- this version includes Google's new renderer, Blink, used in Chrome
- the original, standards-compliant Opera renderer has been abandoned
http://www.opera.com/ (homepage)
http://www.opera.com/browser/download/ (download)

PyDev 2.7.5 for Eclipse
open source Python IDE for Eclipse; can be used for Python, Jython, and IronPython development
http://pydev.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