Engine Updates

Arasan 15.4 (WB/UCI)
C++ source; own GUI, mp; Win32/64, Linux, Mac, Android; can use Gaviota ebtbs
- internal time accouting is now in millseconds, not centiseconds
- fix time management to reduce losses on time in very fast games
- native GUI now recognizes "offer draw" command (fixes bug in draw detection); also though engine now reverts to using result command in cases of draw by rule before a move is made
- remove extra quote from response to "protover" command in Winboard (so myname feature works)
- modify how book selectivity setting works; selectivity has to be lower now to select very rare moves
- a few more code portability fixes
- fix UCI protocol bugs leading to occasional loss on time with ponder on
- fix strength option scaling so play is stronger at high values
- "this version scores about +7 ELO above 15.3"
http://www.arasanchess.org/

Chess News

Nothing new today

Down/Problem Chess Websites

Armageddon homepage down for 5 days (no response in 60 seconds)
Bearded homepage down today (not available)
Belofte homepage down for 44 days ("this site has been suspended")
ChestUCI homepage down for 39 days (a 110mb.com site)
Dolphin homepage down for 42 days (not found)
Igor Gorelikov Tools page down for 25 days (a 110mb.com site)
InmiChess homepage down for 39 days (no response in 60 seconds)
JavaRival homepage down for 6 days (no response in 60 seconds)
MadChess homepage down today (not found)
Pyotr homepage down for 39 days (not found)
Revati homepage down today (no response in 60 seconds)
Toledo Nanochess homepage down for 39 days (a 110mb.com site)

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

CPU-Z 1.64
free utility to detect all PC hardware & system components
http://www.cpuid.com/cpuz.php

Defraggler 2.14
free file/directory/drive defragmenter with scheduling & other options
http://www.piriform.com/defraggler
http://www.piriform.com/blog/2013/4/23/defraggler-v214 (announcement)

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