Difference between revisions of "Mark Lefler"
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[[File:marklefler.jpg|thumb|right|Mark Lefler]] | [[File:marklefler.jpg|thumb|right|Mark Lefler]] | ||
| − | an American computer games and chess programmer. He is author of the computer chess program [[Now]] and along with [[Jeff Mallett]] co-author of the [[General Game Playing|general game playing]] program [[Zillions of Games]] <ref>[https://en.wikipedia.org/wiki/Zillions_of_Games Zillions of Games from Wikipedia]</ref> as well a co-founder of the | + | an American computer games and chess programmer. He is author of the computer chess program [[Now]] and along with [[Jeff Mallett]] co-author of the [[General Game Playing|general game playing]] program [[Zillions of Games]] <ref>[https://en.wikipedia.org/wiki/Zillions_of_Games Zillions of Games from Wikipedia]</ref> as well a co-founder of the ''Zillions Development Corporation'' <ref>[http://www.zillions-of-games.com/zildev.html Zillions Development Corporation]</ref>. In October 2013, [[Don Dailey]] introduced Mark Lefler as new member of the [[Komodo]] team <ref>[http://www.talkchess.com/forum/viewtopic.php?t=49623&start=23 Who is Don/Larry's new partner!?] by [[Don Dailey]], [[CCC]], October 08, 2013</ref>. |
Mark graduated in 1981 with a BS degree in Engineering Science and Mechanics from [https://en.wikipedia.org/wiki/Virginia_Polytechnic_Institute_and_State_University Virginia Polytechnic Institute and State University]. His non-computer interests include performing magic, music, and gaming <ref>[http://www.zillions-of-games.com/whoarewe.html Who Are We?] - About the founders Mark Lefler and [[Jeff Mallett]] & others working for Zillions Development Corporation</ref> . Mark served as member of the [[Who's Who|Secretariat]] of [[ICGA Investigations]] in 2011, and superseded [[Rémi Coulom]] as Programmers Representative of the [[ICGA]] in November 2011. Mark founded this [[Main Page|Chess Programming Wiki]] on October 26, 2007 <ref>[http://www.talkchess.com/forum/viewtopic.php?t=17344&start=4 Re: community test result web page?] by Mark Lefler, [[CCC]], October 26, 2007</ref> . | Mark graduated in 1981 with a BS degree in Engineering Science and Mechanics from [https://en.wikipedia.org/wiki/Virginia_Polytechnic_Institute_and_State_University Virginia Polytechnic Institute and State University]. His non-computer interests include performing magic, music, and gaming <ref>[http://www.zillions-of-games.com/whoarewe.html Who Are We?] - About the founders Mark Lefler and [[Jeff Mallett]] & others working for Zillions Development Corporation</ref> . Mark served as member of the [[Who's Who|Secretariat]] of [[ICGA Investigations]] in 2011, and superseded [[Rémi Coulom]] as Programmers Representative of the [[ICGA]] in November 2011. Mark founded this [[Main Page|Chess Programming Wiki]] on October 26, 2007 <ref>[http://www.talkchess.com/forum/viewtopic.php?t=17344&start=4 Re: community test result web page?] by Mark Lefler, [[CCC]], October 26, 2007</ref> . | ||
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Revision as of 10:58, 23 March 2018
Mark Lefler,
an American computer games and chess programmer. He is author of the computer chess program Now and along with Jeff Mallett co-author of the general game playing program Zillions of Games [1] as well a co-founder of the Zillions Development Corporation [2]. In October 2013, Don Dailey introduced Mark Lefler as new member of the Komodo team [3]. Mark graduated in 1981 with a BS degree in Engineering Science and Mechanics from Virginia Polytechnic Institute and State University. His non-computer interests include performing magic, music, and gaming [4] . Mark served as member of the Secretariat of ICGA Investigations in 2011, and superseded Rémi Coulom as Programmers Representative of the ICGA in November 2011. Mark founded this Chess Programming Wiki on October 26, 2007 [5] .
Contents
Photos
WCCC 1999
WCCC 2016
Forum Posts
1990 ...
- Computer Chess Feature You Want by Mark Lefler, rgc, November 13, 1994
- Hyatt Phrase Maker by Mark Lefler, rgc, June 11, 1995
- Autoplay Interface? by Mark Lefler, rgcc, May 21, 1996
- Shannon A, Shannon B by Mark Lefler, rgcc, July 16, 1996
2000 ...
- Simple NULL move enhancement, checks in qsearch by mjlef, Winboard Forum, April 14, 2006 » Null Move Pruning
- PV based decisions by mjlef, Winboard Forum, April 27, 2006 » Principal Variation
- Extension - Reductions and threats by mjlef, Winboard Forum, May 17, 2006 » Selectivity
- Worthless extension ideas... by mjlef, Winboard Forum, June 06, 2006
- Search Inconsistencies by mjlef, Winboard Forum, June 23, 2006 » Search Instability
- CPU usage at 505 in Winboard Engine by mjlef, Winboard Forum, July 19, 2006 » WinBoard
- Re: Idea for opening book by mjlef, Winboard Forum, August 02, 2006 » Persistent Hash Table
- Piece Cooperation and Penalties by mjlef, Winboard Forum, August 14, 2006 » Material Tables
2007
- Reducing King Moves? by mjlef, Winboard Forum, January 03, 2007 » Reductions
- Castling legality check by mjlef, Winboard Forum, January 04, 2007 » Castling
- How good is your SEE? by mjlef, Winboard Forum, April 24, 2007 » Static Exchange Evaluation
- Revisiting Check Extensions by Mark Lefler, CCC, June 07, 2007 » Check Extensions
- Help Finding X by Mark Lefler, CCC, June 08, 2007
- Is this rule safe (how has K&Ps vs K&Ps databases? ...) by Mark Lefler, CCC, June 20, 2007 » KPK, Now, Pawn Endgame
- Delaying Extensions Idea (does anyone do this)? by Mark Lefler, CCC, July 03, 2007 » Extensions
- LMR other conditions by Mark Lefler, CCC, July 23, 2007 » Late Move Reductions
- If You Were Starting From Scratch by Mark Lefler, CCC, August 22, 2007
- Re: community test result web page? by Mark Lefler, CCC, October 26, 2007 [8]
2008
- Backward Pawns by Mark Lefler, CCC, March 24, 2008 » Backward Pawn
2009
- Relative Piece Values by Mark Lefler, CCC, April 09, 2009 » Point Value
- Testing of Kaufman Material Values by Mark Lefler, CCC, April 25, 2009 » Point Value, Material
- Rook Pair Penalty, Knight Pair Penalty, Having a Pawn Bonus by Mark Lefler, CCC, May 11, 2009 » Material
- Side to Move Bonus - does it help? by Mark Lefler, CCC, May 29, 2009 » Tempo
- No PVS at low depths? by Mark Lefler, CCC, June 05, 2009 » Principal Variation Search
- Singular Extensions revisited by Mark Lefler, CCC, October 19, 2009 » Singular Extensions
- Knowing your opponents by Mark Lefler, CCC, December 17, 2009
2010 ...
- SEE Improvement Idea by Mark Lefler, CCC, January 04, 2010 » Static Exchange Evaluation
- Correcting Evaluation with the hash table by Mark Lefler, CCC, February 05, 2010 » Evaluation
- Futility Idea based on total score by Mark Lefler, CCC, February 06, 2010 » Futility Pruning
- FIDE's new rules for chess by Mark Lefler, CCC, July 20, 2014
2015 ...
- Looking for PGN file tools by Mark Lefler, CCC, September 04, 2015 » PGN Utilities
- Moore's Law by Mark Lefler, CCC, March 16, 2016 [9]
- Position Legally Reachable? by Mark Lefler, CCC, March 21, 2017 » Retrograde Analysis
- Scientific American article on Computer Chess by Mark Lefler, CCC, June 03, 2017 [10] » Murray Campbell, Artificial Intelligence, Kasparov versus Deep Blue 1997
External Links
- Mark Lefler's ICGA Tournaments
- Zillions of Games
- Komodo 8: about the authors, ChessBase News, September 19, 2014
- BBC - Future - The cyborg chess players that can’t be beaten by Chris Baraniuk, December 04, 2015 » David Levy, Boris Alterman, Shay Bushinsky, Mark Lefler
- Interview with Robert Houdart, Mark Lefler and GM Larry Kaufman by Nelson Hernandez, Chessdom, November 23, 2017 » TCEC Season 10
References
- ↑ Zillions of Games from Wikipedia
- ↑ Zillions Development Corporation
- ↑ Who is Don/Larry's new partner!? by Don Dailey, CCC, October 08, 2013
- ↑ Who Are We? - About the founders Mark Lefler and Jeff Mallett & others working for Zillions Development Corporation
- ↑ Re: community test result web page? by Mark Lefler, CCC, October 26, 2007
- ↑ Photo from the no longer available ChessBase site
- ↑ ICGA Events 2016: Photos Day 7 by Jan Krabbenbos
- ↑ community test result web page? by Sam Hamilton, CCC, October 25, 2007
- ↑ Moore's law from Wikipedia
- ↑ 20 Years after Deep Blue: How AI Has Advanced Since Conquering Chess by Larry Greenemeier, Scientific American, June 2, 2017
