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<title>Computer-Chess Wiki Forum</title>
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<title>Update Information: June 18, 2009</title>
<content:encoded><![CDATA[<p><em>Posting by Ron, Friday, June 19, 2009, 11:59:</em></p><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:#f00;">New: Sungorus 1.0 JA</span></strong><br />
new UCI engine by Pablo Vazquez; C source; Win 32/x64, Linux x64 &amp; Mac<br />
all-in-one download from home page includes Jim and Kenny builds<br />
bugfixed on June 19, 2008: prevent crash on games longer than 100 moves<br />
<a href="http://sites.google.com/site/sungorus/">http://sites.google.com/site/sungorus/</a> (homepage + Linux build)<br />
<a href="http://www.mediafire.com/?g4mngywjnjm">http://www.mediafire.com/?g4mngywjnjm</a> (Jim Ablett Win 32/x64 exe)<br />
<a href="http://www.sillygreenmonkey.com/chess/">http://www.sillygreenmonkey.com/chess/</a> (Kenny Dail Mac build)</p>
<p><strong><span style="color:#090;">Update: Bison 9.6a DC</span></strong><br />
Dann Corbit x64 bugfix, version number unchanged<br />
<a href="http://cap.connx.com/chess-engines/new-approach/bison.zip">http://cap.connx.com/chess-engines/new-approach/bison.zip</a> (direct download)</p>
<p><strong><span style="color:#666;">Info Only: Capa</span></strong><br />
another 2 commits to the project today (commits = 77)<br />
this project seemed to be dead for 5 years, but now has really come alive! <img src="images/smilies/smile.png" alt=":-)" /><br />
<a href="http://sourceforge.net/projects/capa/">http://sourceforge.net/projects/capa/</a></p>
<p><strong><span style="color:#090;">Update: Chesley the Chess Engine 166</span></strong><br />
no build for this version yet<br />
- Today’s commit fixes a very rare bug where search fails to return a move at the roor. The issue was with search instability and putting too much faith in the bounds stored in the transposition table.<br />
- There were some other similiar screwups in the search that led to calling search with alpha &gt; beta.<br />
- I’ve made some design changes in the way I manage and use the transposition table. Looking back I think I took some wrong turns the first time around.<br />
- I’ve made some simple improvements in position evaluation. There were a couple of things I absolutely knew I had to implement but put off because they were fiddly. That’s now in and I see a good improvement.<br />
<a href="http://sourceforge.net/projects/chesley/">http://sourceforge.net/projects/chesley/</a></p>
<p><strong><span style="color:#666;">Info Only: Down chess websites</span></strong>  <img src="images/smilies/frown.png" alt=":-(" /><br />
None! <img src="images/smilies/smile.png" alt=":-)" /></p>
<p>Tarrasch Toy Engine site back up after being down for 2 days</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:#666;">Info Only: SCID</span></strong><br />
another 2 commits to the source code today (commits = 457)<br />
<a href="http://sourceforge.net/projects/scid">http://sourceforge.net/projects/scid</a></p>
<p><span style="font-size:large;"><strong>[url=http://computer-chess.org/]Wiki Changes[/url]</strong></span><br />
Thanks to Norbert Raimund Leisner who makes most of these wiki changes! <img src="images/smilies/smile.png" alt=":-)" /></p>
<p><strong>[url=http://computer-chess.org/doku.php?id=computer_chess:wiki:lists:gui_protocol_support_list]GUI Protocol List[/url]</strong><br />
Peshk@ added to the list<br />
ChessMaster comments expanded</p>
<p>There will be no new update posts until after the weekend. I will be on holiday! <img src="images/smilies/smile.png" alt=":-)" /></p>
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<link>http://www.computer-chess.org/forum/index.php?id=226</link>
<guid>http://www.computer-chess.org/forum/index.php?id=226</guid>
<pubDate>Fri, 19 Jun 2009 11:59:35 +0000</pubDate>
<category>Updates</category>
<dc:creator>Ron</dc:creator>
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