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[url=http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list]Engine Updates[/url]

Update: Chesley the Chess Engine 254
no build for this version yet
latest builds: 251(Win32), 241(Mac)
- Implement material vs. win probability table generation. (252)
- Implement automatic piece square table generation. (252)
- CMD_GENMSTATS now takes one argument. (253)
- Fix mingw32 error messages. (254)
http://sourceforge.net/projects/chesley/

Update: Plisk 0.1.1 (WB/UCI)
Windows 32 & 64-bit builds
- added stats printout when analyzing positions
- new analysis output when specifing -analyze
- new parameter (-d <depth>) forces analysis to only go to a certain depth
- do not do SEE if the pawn is the capturing piece
- fixed a bug with not detecting pawn moves from opponent for verifying the 5-move rule.
- reworked king's pawn shield evaluation
- added extension for when entering a pawn-only endgame
- added initial pawn-only eval: just king vs passers for now
- doubled up pawns as passers evaluated differently
http://sites.google.com/site/pliskchess/

Update: Schola 1.1.0
Windows 32 & 64-bit builds & Visual C++ source
- Fix a timing window where the opponent could respond to a move before we have updated
the data structures so we respond with an error.
- Don't update the time at a time control if the controller is sending time updates.
- Fixed an evaluation bug where Black's pawns were incorrectly evaluated.
- Minor cleanups; got rid of SSE.
- Some fixes for a clean 64 bit compile (marginally faster).
- Merged draw by material detection into main evaluation / search.
- Added Late Move Reductions.
- Added a capture flag to the move structure so we could correctly identify Kxf2 differently
from Kf2 (for example) in killer moves. This was causing move ordering problems.
- Used a separate repetition for the current position and the search position so that it's lockless.
- Tweaked the time support so it's better for faster games.
- Fixed a problem with the repetition that caused it to miss draws in certain search situations.
http://mysite.verizon.net/the_platts/schola.html

Update: Tornado 3.19a (UCI)
Windows 32 & 64-bit builds
- smp bug fixed, that crashed sometime if using more then 1cpu
- smp bug fixed, that crashed also by access to EGTBs
http://www.tornadochess.de/

Info Only: Down chess websites
Averno site down for 15 days
Chess GUI 110mb site down today
Delphil site down for 3 days (404 error message)
Matacz 110mb site down today
MFChess site down for 3 days
MiniMardi site down today
Pierre site down for 48 days

[url=http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_news_list]Chess News[/url]

Update: Polyglot 1.4.34b
Michel Van den Bergh's Linux and Windows builds based on Fonzy Bluemers modification
of Fabien Letouzey's Polyglot with original work and bugfixes
- Warning: this release is less well tested as usual
- Allow spaces around "=" in "option =" commands.
- WbWorkArounds is now true by default.
- Trying to set a non existent UCI option gives an error.
- PG will now resign in case of an illegal engine move.
- More code has been put in "pipex".
- info strings and unrecognized info lines are relayed to the GUI.
http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release/

Info Only: SCID
another update to the source code today (patchset = 492)
http://sourceforge.net/projects/scid

New: STS #5: Bishop vs Knight
new epd test suite from Swaminathan and Dann Corbit
- When to offer the Bishop for trade with the Knight, and vice versa.
- Tests your engine's understanding of superior minor pieces.
- This test also evaluates your engine's ability to distinguish between superior knight,
superior Bishop, doubled pawns, resultant pawn structure after the trade-off etc.
http://sites.google.com/site/strategictestsuite/home/bishop-vs-knight