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'''Lawrence (Larry) Charles Kaufman''', (born November 15, 1947)<br/>
is an American chess [https://en.wikipedia.org/wiki/International_Grandmaster Grandmaster] <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=8266 Larry is senior world champion and GM!] from the [[Computer Chess Forums|Rybka Forum]] November 11, 2008</ref> , chess writer, [[:Category:Shogi Player|Shogi player]], chess teacher, [[:Category:Opening Book Author|opening book author]], and professional computer chess programmer with focus on [[Evaluation|evaluation]].
In 1965, while already a chess master and top rated U.S. Junior player and began to study [https://en.wikipedia.org/wiki/Economics economics] at [[Massachusetts Institute of Technology|MIT]], he started his computer chess career as opening book author of [[Richard Greenblatt|Richard Greenblatt's]] [[Mac Hack|Mac Hack VI]] <ref>[[Richard Greenblatt]], [[Donald Eastlake]], [https://en.wikipedia.org/wiki/Steve_Crocker [Stephen D. Crocker]] ('''1967'''). ''The Greenblatt Chess Program''. Proceedings of the AfiPs Fall Joint Computer Conference, Vol. 31, pp. 801-810. reprinted ('''1988''') in [[Computer Chess Compendium]]</ref>.
In the 80s and 90s, Larry Kaufman collaborated with [[Don Dailey]] and [[Julio Kaplan]]. Kaufman is well known for his research on [[Material|material]] <ref>[https://en.chessbase.com/post/the-joys-of-che-and-the-value-of-the-pieces The joys of chess – and the value of the pieces], [[ChessBase|ChessBase News]], December 21, 2011</ref> <ref>[[Christian Hesse]] ('''2011'''). ''The Joys of Chess - Heroes, Battles & Brilliancies''. [https://en.wikipedia.org/wiki/New_In_Chess New In Chess]</ref> and his work and publication on ''The Evaluation of Material Imbalances'' <ref>[[Larry Kaufman]] ('''1999'''). ''[https://www.chess.com/article/view/the-evaluation-of-material-imbalances-by-im-larry-kaufman The Evaluation of Material Imbalances]''. (first published in [https://en.wikipedia.org/wiki/Chess_Life Chess Life] March 1999, online version edited by [[Dan Heisman]])</ref> and [[Doubled Pawn|doubled pawns]] <ref>[[Larry Kaufman]] ('''2005'''). ''[https://de.scribd.com/document/10151669/All-About-Doubled-Pawns All About Doubled Pawns]''. (first published in [https://en.wikipedia.org/wiki/Chess_Life Chess Life], May 2005)</ref> based on [[Match Statistics|statistics]].
In 1993 as editor of [[ICD Corporation|ICD's]] [[Computer Chess Reports]], Kaufman proposed a 25 problem [[Kaufman Test|test suite]] for chessplaying programs <ref>[https://groups.google.com/d/msg/rec.games.chess/Q-euoCEq31w/PXCyDugCxCkJ Kaufman test suite in SAN/FEN] by [[Steven Edwards]], [[Computer Chess Forums|rec.games.chess]], November 28, 1993</ref>. During the late 90s and early 2000s, Larry Kaufman was affiliated with [[Excalibur Electronics]]. He was chess consultant supporting [[Ron Nelson]] concerning [[Evaluation|evaluation]], and responsible for the [[Opening Book|opening books]] of their [[Dedicated Chess Computers|dedicated chess computers]] <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=78 Excalibur Electronics] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 22, 2015</ref> <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=112 Re: Ron Nelson] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 23, 2015</ref>. Larry Kaufman was member of the [[Rybka]] team around [[Vasik Rajlich]], and successfully improved the evaluation of [[Rybka|Rybka 3]].
He started again to work with [[Don Dailey]] on his new program [[Doch]] <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=14574 A question to Larry Kaufman], [[Computer Chess Forums|Rybka Forum]], December 30/31, 2009</ref> and since 2010 on [[Komodo]] <ref>[http://komodochess.com/ Komodo chess engine by Don Dailey and Larry Kaufman]</ref> <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=15105 Komodo - Rybka in Danger?], [[Computer Chess Forums|Rybka Forum]], January 21, 2010</ref>. After Don Dailey's death in November 2013, the work on Komodo continued with [[Mark Lefler]], culminating with the release of the [[Dragon by Komodo Chess]] in November 2020 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748 Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 10, 2020</ref>.
=Chess Programs=
* [[Doch]]
* [[Komodo]]
* [[Dragon by Komodo Chess]]
=Senior World Champion=
In 2008 Larry won the [[FIDE]] [https://en.wikipedia.org/wiki/World_Senior_Chess_Championship Senior World Championship] in [https://en.wikipedia.org/wiki/Bad_Zwischenahn Bad Zwischenahn], Germany <ref>[http://www.seniorenschach.de/en/index.php Welcome to the website on XVIII. Senior World Championship 2008 in Bad Zwischenahn]</ref> <ref>[http://www.seniorenschach.de/Listen2008/SenWM2008_Herren-Rang.HTM Final Standings Senior World Championship Men 2008 Bad Zwischenahn]</ref> , also receiving the Grandmaster title <ref>[http://main.uschess.org/content/view/8880/497/ The United States Chess Federation - Larry Kaufman World Senior Champion!], November 8, 2008</ref>.
=Quotes=
by [[Ron Nelson]] on his work with Larry Kaufman <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=6768&start=78 Excalibur Electronics] by [[Ron Nelson|ChessChallenger]], [[Computer Chess Forums|Hiarcs Forum]], December 22, 2015</ref>:
The [[Opening Book|book openings]] for all the [[Excalibur Electronics|Excalibur]] Chess Games was designed by Larry Kaufman. Larry Kaufman is a most brilliant Chess Master that understood computer chess search. He would explain to me how [[Frans Morsch]] evaluated positions, just by playing his program. He was incredible. He wrote a list of things for an [[Evaluation|evaluation]] function and how to balance it. His [[Point Value|piece weightings]] were different than the [[Kathe Spracklen|Spracklens]].
=Selected Publications=
* [[Larry Kaufman]] ('''2010'''). ''A New Use For Monte-Carlo''. [[ICGA Journal#33_2|ICGA Journal, Vol. 33, No. 2]]
* [[Larry Kaufman]] ('''2012'''). ''The Kaufman Repertoire for Black and White''. [https://en.wikipedia.org/wiki/New_In_Chess New In Chess] <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=443739&t=41923 Re: Engine books: Hiarcs vs. Komodo ... @Larry] by [[Larry Kaufman]], [[CCC]], January 13, 2012</ref>
* [[Larry Kaufman]] ('''2019'''). ''[https://www.newinchess.com/kaufman-s-new-repertoire-for-black-and-white Kaufman's New Repertoire for Black and White: A Complete, Sound and User-friendly Chess Opening Repertoire]''. [https://en.wikipedia.org/wiki/New_In_Chess New In Chess]
==2020 ...==
* [[Larry Kaufman]] ('''2021'''). ''[https://www.newinchess.com/memoir Chess Board Options - A Memoir of Players, Games and Engines]''. [https://en.wikipedia.org/wiki/New_In_Chess New In Chess]
=Forum Posts=
: [http://www.talkchess.com/forum/viewtopic.php?t=35754 GM Kaufman v.Novag Constellation 3.6 QR Odds (Moves 41-55)] by [[Steve Blincoe|Steve B]], [[CCC]], August 10, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=38198 Why are the Ippo derivative stronger than Stockfish?] by [[Larry Kaufman]], [[CCC]], February 24, 2011 » [[Ippolit]], [[Stockfish]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=40481&start=7 Re: How old were you in 1967??] by [[Larry Kaufman]], [[CCC]], September 21, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=41092 Thank you Vincent!] by [[Larry Kaufman]], [[CCC]], November 15, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=41236 Lazy eval] by [[Larry Kaufman]], [[CCC]], November 27, 2011 » [[Lazy Evaluation]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=68659&start=30 Re: What got you into computer chess?] by [[Larry Kaufman]], [[CCC]], October 18, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71665 Komodo vs. Larry K on chess.com] by [[Larry Kaufman]], [[CCC]], August 27, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=72754 The Stockfish of shogi] by [[Larry Kaufman]], [[CCC]], January 07, 2020 » [[Shogi]], [[NNUE]], [[Stockfish NNUE]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=73916 Komodo 14 released] by [[Larry Kaufman]], [[CCC]], May 12, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=74789 Larry Kaufman] by Mehmet Karaman, [[CCC]], August 14, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75651 Komodo 14.1 Release and Dragon Announcement] by [[Larry Kaufman]], [[CCC]], November 02, 2020 » [[NNUE]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75748 Dragon by Komodo Chess] by [[Larry Kaufman]], [[CCC]], November 10, 2020 » [[Dragon by Komodo Chess]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76382 correspondence chess in the age of NNUE] by [[Larry Kaufman]], [[CCC]], January 21, 2021 » [[NNUE]]
* [http:///www.talkchess.com/forum3/viewtopic.php?f=2&t=80482 Chess324] by [[Larry Kaufman]], [[CCC]], Aug 22, 2022 » [[Chess324]]
=External Links=
* [http://www.chessdom.com/interview-with-robert-houdart-mark-lefler-and-gm-larry-kaufman/ Interview with Robert Houdart, Mark Lefler and GM Larry Kaufman] by [[Nelson Hernandez]], [[Chessdom]], November 23, 2017 » [[TCEC Season 10]]
* [https://en.chessbase.com/post/gm-kaufman-speaks-about-his-pet-dragon GM Kaufman speaks about his pet dragon — Komodo 13] by [https://en.chessbase.com/author/davide-nastasio Davide Nastasio], [[ChessBase|ChessBase News]], August 20, 2019 » [[WCSC 2019]]
* [https://www.youtube.com/watch?v=i1s0Y3953AU GM Larry Kaufman talks Komodo, chess engines + his new opening repertoire, and some fun stories]! [https://www.perpetualchesspod.com/ The Perpetual Chess Podcast], December, 2019, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=i1s0Y3953AU|alignment=left|valignment=top}}
* [https://en.chessbase.com/post/larry-kaufman-interview-the-dragon-s-tale Larry Kaufman Interview - The Dragon's tale] by [https://www.udemy.com/user/arne-kaehler/ Arne Kaehler], [[ChessBase|ChessBase News]], June 22, 2021 » [[Dragon by Komodo Chess]]
: {{#evu:https://www.youtube.com/watch?v=Fsb13t00jXI|alignment=left|valignment=top}}
=References=
[[Category:Journalist|Kaufman]]
[[Category:Shogi Player|Kaufman]]
[[Category:Nelson Quotes|Kaufman]]
[[Category:Videos|Kaufman]]
