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'''Lawrence (Larry) Charles Kaufman''', (born November 15, 1947)<br/>
 
'''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]].  
 
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 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]], [[Stephen D. Crocker]] ('''1967'''). ''The Greenblatt Chess Program''. Proceedings of the AfiPs Fall Joint Computer Conference, Vol. 31, 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 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>.  
+
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]].  
Larry Kaufman was a 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>.  
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]].  
 
  
 
=Chess Programs=  
 
=Chess Programs=  
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* [[Doch]]
 
* [[Doch]]
 
* [[Komodo]]
 
* [[Komodo]]
 +
* [[Dragon by Komodo Chess]]
  
 
=Senior World Champion=  
 
=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>.
 
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=  
 
=Selected Publications=  
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* [[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]]) » [[Material]], [[Material Tables]]
 
* [[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]]) » [[Material]], [[Material Tables]]
 
==2000 ...==
 
==2000 ...==
* [[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
+
* [[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)
 
==2010 ...==
 
==2010 ...==
 
* [[Larry Kaufman]] ('''2010'''). ''Handicap Matches: Rybka vs. Grandmaster''. [[ICGA Journal#33_2|ICGA Journal, Vol. 33, No. 2]]
 
* [[Larry Kaufman]] ('''2010'''). ''Handicap Matches: Rybka vs. Grandmaster''. [[ICGA Journal#33_2|ICGA Journal, Vol. 33, No. 2]]
 
* [[Larry Kaufman]] ('''2010'''). ''A New Use For Monte-Carlo''. [[ICGA Journal#33_2|ICGA Journal, Vol. 33, No. 2]]
 
* [[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]] ('''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=  
 
=Forum Posts=  
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: [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=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/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=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/forum/viewtopic.php?t=41236 Lazy eval] by [[Larry Kaufman]], [[CCC]], November 27, 2011 » [[Lazy Evaluation]]
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* [http://www.talkchess.com/forum/viewtopic.php?t=66427 a second "grand" title] by [[Larry Kaufman]], [[CCC]], January 27, 2018
 
* [http://www.talkchess.com/forum/viewtopic.php?t=66427 a second "grand" title] by [[Larry Kaufman]], [[CCC]], January 27, 2018
 
* [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=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=  
 
=External Links=  
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* [https://en.chessbase.com/post/komodo-birth-of-a-chess-engine Komodo: Birth of a chess engine] by [https://en.chessbase.com/author/priyadarshan-banjan Priyadarshan Banjan] and [[Albert Silver]], [[ChessBase|ChessBase News]], July 20, 2016
 
* [https://en.chessbase.com/post/komodo-birth-of-a-chess-engine Komodo: Birth of a chess engine] by [https://en.chessbase.com/author/priyadarshan-banjan Priyadarshan Banjan] and [[Albert Silver]], [[ChessBase|ChessBase News]], July 20, 2016
 
* [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]]
 
* [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=  
 
=References=  
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[[Category:Journalist|Kaufman]]
 
[[Category:Journalist|Kaufman]]
 
[[Category:Shogi Player|Kaufman]]
 
[[Category:Shogi Player|Kaufman]]
 +
[[Category:Nelson Quotes|Kaufman]]
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[[Category:Videos|Kaufman]]

Latest revision as of 02:05, 16 August 2022

Home * People * Larry Kaufman

Larry Kaufman [1]

Lawrence (Larry) Charles Kaufman, (born November 15, 1947)
is an American chess Grandmaster [2] , chess writer, Shogi player, chess teacher, opening book author, and professional computer chess programmer with focus on evaluation. In 1965, while already a chess master and top rated U.S. Junior player and began to study economics at MIT, he started his computer chess career as opening book author of Richard Greenblatt's Mac Hack VI [3]. In the 80s and 90s, Larry Kaufman collaborated with Don Dailey and Julio Kaplan. Kaufman is well known for his research on material [4] [5] and his work and publication on The Evaluation of Material Imbalances [6] and doubled pawns [7] based on statistics. In 1993 as editor of ICD's Computer Chess Reports, Kaufman proposed a 25 problem test suite for chessplaying programs [8]. During the late 90s and early 2000s, Larry Kaufman was affiliated with Excalibur Electronics. He was chess consultant supporting Ron Nelson concerning evaluation, and responsible for the opening books of their dedicated chess computers [9] [10]. Larry Kaufman was member of the Rybka team around Vasik Rajlich, and successfully improved the evaluation of Rybka 3. He started again to work with Don Dailey on his new program Doch [11] and since 2010 on Komodo [12] [13]. 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 [14].

Chess Programs

Larry Kaufman was/is involved in the development of following chess programs [15] :

Senior World Champion

In 2008 Larry won the FIDE Senior World Championship in Bad Zwischenahn, Germany [16] [17] , also receiving the Grandmaster title [18].

Quotes

by Ron Nelson on his work with Larry Kaufman [19]:

The book openings for all the 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 function and how to balance it. His piece weightings were different than the Spracklens. 

Selected Publications

1986 ...

1990 ...

1995 ...

2000 ...

2010 ...

2020 ...

Forum Posts

2010 ...

Will Connie Ever Castle?? by Steve B, CCC, July 14, 2010
GM Kaufman v.Novag Constellation 3.6 QR Odds (Moves 41-55) by Steve B, CCC, August 10, 2010

2012

2014

2015 ...

2020 ...

External Links

References

  1. The Rybka Team
  2. Larry is senior world champion and GM! from the Rybka Forum November 11, 2008
  3. Richard Greenblatt, Donald Eastlake, Stephen D. Crocker (1967). The Greenblatt Chess Program. Proceedings of the AfiPs Fall Joint Computer Conference, Vol. 31, reprinted (1988) in Computer Chess Compendium
  4. The joys of chess – and the value of the pieces, ChessBase News, December 21, 2011
  5. Christian Hesse (2011). The Joys of Chess - Heroes, Battles & Brilliancies. New In Chess
  6. Larry Kaufman (1999). The Evaluation of Material Imbalances. (first published in Chess Life March 1999, online version edited by Dan Heisman)
  7. Larry Kaufman (2005). All About Doubled Pawns. (first published in Chess Life, May 2005)
  8. Kaufman test suite in SAN/FEN by Steven Edwards, rec.games.chess, November 28, 1993
  9. Excalibur Electronics by ChessChallenger, Hiarcs Forum, December 22, 2015
  10. Re: Ron Nelson by ChessChallenger, Hiarcs Forum, December 23, 2015
  11. A question to Larry Kaufman, Rybka Forum, December 30/31, 2009
  12. Komodo chess engine by Don Dailey and Larry Kaufman
  13. Komodo - Rybka in Danger?, Rybka Forum, January 21, 2010
  14. Dragon by Komodo Chess by Larry Kaufman, CCC, November 10, 2020
  15. rec.games.chess.computer FAQ 3/3
  16. Welcome to the website on XVIII. Senior World Championship 2008 in Bad Zwischenahn
  17. Final Standings Senior World Championship Men 2008 Bad Zwischenahn
  18. The United States Chess Federation - Larry Kaufman World Senior Champion!, November 8, 2008
  19. Excalibur Electronics by ChessChallenger, Hiarcs Forum, December 22, 2015
  20. Re: Engine books: Hiarcs vs. Komodo ... @Larry by Larry Kaufman, CCC, January 13, 2012

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