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GerdIsenberg
Sep 13, 2015
[[toc]] **[[Home]] * [[Engines]] * GES** **GES**, [[David B. Weller|David B. Weller's]] first chess engine, written in [[C]] and compliant to the [[Chess Engine Communication Protocol]] aka [[WinBoard]], first released in July 2004 <ref>[[http://www.stmintz.com/ccc/index.php?id=374619|new win32 winboard engine]] by [[David B. Weller]], [[CCC]], July 07, 2004</ref>. GES uses [[Principal Variation Search|PVS]] with [[Aspiration Windows|aspiration]], a [[Transposition Table|main transposition table]] and [[Pawn Hash Table|pawn hash table]] <ref>[[http://www.stmintz.com/ccc/index.php?id=382993|GES 111]] by [[David B. Weller]], [[CCC]], August 19, 2004</ref>, [[Null Move Pruning#ZugzwangVerification|verified null move pruning]], and a rudimentary [[Static Exchange Evaluation|SEE]]. GES' [[Extensions|extension]] policy was to add one [[Ply|ply]] if any of the conditions met, which were [[Check Extensions|checks]], [[Passed Pawn Extensions|pawns to 2nd/7th rank]], [[Mate Threat Extensions|mate threats]], [[One Reply Extensions|one replies]], and [[Recapture Extensions|recaptures]], and later tried aggregated but [[Extensions#FractionalExtensions|fractional extensions]] without obvious progress <ref>[[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=1754&p=8190|Limiting extensions]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], February 23, 2005</ref>. =See also= * [[Xpdnt]] =Forum Posts= ==2004== * [[http://www.stmintz.com/ccc/index.php?id=374619|new win32 winboard engine]] by [[David B. Weller]], [[CCC]], July 07, 2004 * [[http://www.stmintz.com/ccc/index.php?id=379254|GES is working!]] by [[David B. Weller]], [[CCC]], July 27, 2004 * [[http://www.stmintz.com/ccc/index.php?id=382689|GES 108]] by [[David B. Weller]], [[CCC]], August 17, 2004 * [[http://www.stmintz.com/ccc/index.php?id=382846|GES 110 available]] by [[David B. Weller]], [[CCC]], August 18, 2004 * [[http://www.stmintz.com/ccc/index.php?id=382993|GES 111]] by [[David B. Weller]], [[CCC]], August 19, 2004 * [[http://www.stmintz.com/ccc/index.php?id=385958|GES 117 available n/t]] by [[David B. Weller]], [[CCC]], September 04, 2004 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=363&p=1337|GES_126 available]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], October 24, 2004 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1112&p=5033|GES_132]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], December 23, 2004 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1140&p=5139|GES_133]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], December 26, 2004 ==2005== * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1253&p=5736|Under the wire! GES_134]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], January 06, 2005 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1333&p=6242|About GES..]] by [[Carlos Pesce]], [[Computer Chess Forums|Winboard Forum]], January 14, 2005 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1713&p=7904|GES Lives!]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], February 19, 2005 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1746&p=8154|Testers needed]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], February 22, 2005 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=1754&p=8190|Limiting extensions]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], February 23, 2005 * [[http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=2040&p=9533|GES_136 available]] by [[David B. Weller]], [[Computer Chess Forums|Winboard Forum]], March 21, 2005 =External Links= * [[http://kirr.homeunix.org/chess/engines/Jim%20Ablett/GES/|Index of /chess/engines/Jim Ablett/GES]] compiled by [[Jim Ablett]], hosted by [[Kirill Kryukov]] * [[http://www.computer-chess.org/doku.php?id=computer_chess:wiki:download:engine_download_list|Engine Download List]] from [[Ron Murawski|Ron Murawski's]] [[http://computer-chess.org/doku.php?id=home|Computer-Chess Wiki]] =References= <references /> =What links here?= [[include page="GES" component="backlinks" limit="40"]] **[[Engines|Up one Level]]**