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<title>Update Information: August 18, 2009</title>
<content:encoded><![CDATA[<p><em>Posting by Ron, Wednesday, August 19, 2009, 00:35:</em></p><p><p><span style="font-size:large;"><strong><span style="color:#f00;">Security Warning: WildCat site</span></strong></span><br />
Firefox message: &quot;This web site at igorkorshunov.narod.ru has been reported<br />
as an attack site and has been blocked based on your security preferences.&quot;</p>
<p>What happened when Google visited this site?</p>
<p>&quot;Of the 5 pages we tested on the site over the past 90 days, 4 page(s)<br />
resulted in malicious software being downloaded and installed without user<br />
consent. The last time Google visited this site was on 2009-07-31, and the<br />
last time suspicious content was found on this site was on 2009-07-31.&quot;</p>
<p><span style="font-size:large;"><strong>[url=http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_engine_list]Engine Updates[/url]</strong></span></p>
<p><strong><span style="color:#090;">Update: Chesley the Chess Engine 267 (WB)</span></strong><br />
no build for this version yet<br />
latest builds: 258(Win32), 241(Mac)<br />
- Use exceptions rather than manually unwinding the stack when time is elapsed (259)<br />
- Break out the case of searching the root into new function root_search (259)<br />
- Implement mate distance pruning (259)<br />
- Implement delta pruning (259)<br />
- Compute pawn_counts and piece_counts incrementally rather than in Eval::Score (260)<br />
- Fix bug in En Passant handling introduced in previous revision (261)<br />
- Add assertion and debug output in in_check (262)<br />
- Use a table based approach to compute mobility scores (263)<br />
- Fix bad indexing in mobility tables (264)<br />
- Activate new mobility scheme (265)<br />
- Tiny optimizations (266)<br />
- Backout wrong change to search.cpp (267)<br />
<a href="http://sourceforge.net/projects/chesley/">http://sourceforge.net/projects/chesley/</a></p>
<p><strong><span style="color:#090;">Update: Ifrit j1_3 (UCI)</span></strong><br />
with C++ source (Russian comments)<br />
- Fixed error when the specified time on the course. Regardless of the time the search was conducted at a depth of one ply<br />
- The evaluation function is divided into several functions<br />
- Parameters of assessment rendered to an external file. Now you can adjust the assessment<br />
- Did the emergency move, if the search was delayed for far too deep<br />
- Null move reduction up to 2 to 3<br />
<a href="http://translate.google.com/translate?u=http%3A%2F%2Fandchess2006.narod.ru%2F&amp;hl=en&amp;ie=UTF-8&amp;sl=ru&amp;tl=en">http://translate.google.com/translate?u=http%3A%2F%2Fandchess2006.narod.ru%2F&amp;hl=en&amp;ie=UTF-8&amp;sl=ru&amp;tl=en</a></p>
<p><strong><span style="color:#090;">Update: Protector 1.2.7 (UCI)</span></strong><br />
another revision to the source code today (rev. 20)<br />
new 32-bit builds for Win and Linux along with the 64-bit builds<br />
- smp support for tablebases improved<br />
<a href="http://sourceforge.net/projects/protector/">http://sourceforge.net/projects/protector/</a></p>
<p><strong><span style="color:#666;">Info Only: Slibo</span></strong><br />
another 3 commits to the source code (commits = 134)<br />
<a href="http://sourceforge.net/projects/slibo">http://sourceforge.net/projects/slibo</a></p>
<p><strong><span style="color:#666;">Info Only: Down chess websites</span></strong>  <img src="images/smilies/frown.png" alt=":-(" /><br />
<span style="color:#666;">Averno site down for 23 days<br />
Pierre site down for 56 days<br />
SuperChessEngine site down today, bringing down Naum, Smash, and Toga</span><br />
<span style="color:#090;">Flux site back up <img src="images/smilies/smile.png" alt=":-)" /><br />
Posix ports &amp; Polyglot pages (by Michel Van den Bergh) back up <img src="images/smilies/smile.png" alt=":-)" /><br />
Spin Chess (unreleased) site back up</span> <img src="images/smilies/smile.png" alt=":-)" /></p>
<p><span style="font-size:large;"><strong>[url=http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:chess_news_list]Chess News[/url]</strong></span></p>
<p><strong><span style="color:#090;">Update: Polyglot 1.4.38b</span></strong><br />
Michel Van den Bergh's Linux and Windows builds based on Fonzy Bluemers modification<br />
of Fabien Letouzey's Polyglot with original work and bugfixes<br />
- MSVC++ portability fixes (E.M.)<br />
<a href="http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release/">http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release/</a></p>
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<link>http://www.computer-chess.org/forum/index.php?id=327</link>
<guid>http://www.computer-chess.org/forum/index.php?id=327</guid>
<pubDate>Wed, 19 Aug 2009 00:35:15 +0000</pubDate>
<category>Updates</category>
<dc:creator>Ron</dc:creator>
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