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Update Information: March 28, 2010 (Updates)

by Ron @, Monday, March 29, 2010, 02:55

Engine Updates

Glass 1.5 (UCI)
Win32
new opening book, too
- several bugfixes
- late move reduction
- more aggressive futility pruning
- new king safety
- a lot of tuning
http://www.marittima.pl/glass

Numpty 0.6pr (WB)
Basic source (FreeBasic); Win32
"Strength (approx +30 elo over previous version)"
Bugs: (thanks to Leo and Carlos Pagador for reporting)
Fixed - book bug which caused illegal move due to transcription error
Fixed - rare movegen errors causing illegal castling move (can't O-O-O after O-O!)
Fixed - error in time management with external books (last move before time control was played instantly)
Fixed - bug in rep detection code
Fixed - bugs in setboard fen parsing (move no and 50 move no info not identified)
Fixed - bug in endgame mate code - sometimes failed to find mate for Q/R + K v K )
Fixed - error in game phase recognition (still endgame after endgame promotion)
Other:
Added - limited and very crude pruning to search
Added - swap-off function now engaged for promotion as well as capture
Added - expanded opening book lines (with more of my favourite openings!)
Added - additional trapped piece eval code (queen side blocked rook)
Added - eval test for 50 move rule at root
Added - code optimisation, engine is 5% - 10% faster
Change - removed in search test for 50 move rule
Change - improved time management at all time controls
Change - switch off analysis extended for bullet games (including 1+1)
http://bloodhound66-numpty.110mb.com/ (homepage)
http://bloodhound66-numpty.110mb.com/chess/Numpty_0_6pr.zip (direct link)
http://wbec-ridderkerk.nl/html/details1/Numpty.html (Leo page)

Chess News

Frank Quisinsky Interview
interview with the Stockfish programmers: Tord Romstad, Jooni Kiiski & Marco Costalba
http://www.schach-welt.de/spezial/computerschach-/interviews-/tord-romstad-and-team.html

Down/Problem Chess Websites :-(
Amundsen homepage down for 2 days
Betsy homepage down for 81 days
Blitzer homepage down for 15 days
Brama homepage down for 8 days
Colossus homepage down for 87 days
Kenny Dail (Mac) builds site down for 59 days
Dika homepage down for 9 days
Gosu homepage down for 14 days
Sinobyl homepage down for 33 days
Sissa homepage down today
Smash homepage down today

Wiki Changes

Private Engine List
- added Spandrel
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:private_engine_list

Chess Engine List
- added Trace
- added Stockfish homepage link
http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list

Bonus Notifications (recent releases of free stuff)
Nothing new found today :-(

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

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