Chris Whittington

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Chris Whittington, a British computer chess and games programmer, publisher and entrepreneur, author of several commercial computer chess programs including Chess System Tal published through his own company Oxford Softworks. He is famous for his computer chess paradigms as an appeal for knowledge based programs. In May 2000, when Oxford Softworks was sold to a venture capitalist consortium, Chris retired from games programming.

=Rybka Controversy= Chris Whittington was and is critic of the arguments that Rybka is a derivate of Fruit since Zach Wegner published his first conclusion on the Rybka/Fruit: evaluation in June 2010, and consequently critic of the ICGA decision in 2011. During the Investigation process, he was rejected to become member of the panel.

=Photos= Chris Whittington and Berthold Seifriz, WMCCC 1993

=Chess Engines=
 * SuperChess (1982)
 * Chess Player 2150/2175 (1989)
 * Chess Simulator (1990)
 * Complete Chess System (1993)
 * Chess System Tal (Complete Chess System 2) (1995)
 * Chess System Tal II (1999)

=See also=
 * Computer Olympiad 1992 - Promotion Bug
 * WMCCC 1995 - System Tal vs XXXX

=Forum Posts=

1997 ...

 * CW and the ICCA by Tony Marsland, rgcc, February 26, 1997 » ICCA
 * Formal Appeal to CCC Moderators by Chris Whittington, rgcc, August 16, 1998

2015 ...

 * Re: La Máquina Preservadora. Programas de Ajedrez by duct, Meca Foro, May 20, 2016 (Spanish)
 * AlphaZero reinvents mobility and romanticism by Chris Whittington, Rybka Forum, December 08, 2017 » Alpha Zero's "Immortal Zugzwang Game"
 * Who entered Leela into WCCC? Bad idea!! by Chris Whittington, LCZero Forum, June 23, 2018 » Leela Chess Zero, WCCC 2018
 * categorical cross entropy for value by Chris Whittington, CCC, February 18, 2019
 * Analysis of policy nets by Chris Whittington, CCC, March 27, 2019 » Deep Learning
 * Wouldn't it be nice if C++ GPU by Chris Whittington, CCC, April 25, 2019 » GPU
 * SL vs RL by Chris Whittington, CCC, April 28, 2019 » MCTS, Deep Learning

Rybka Controversy

 * Re: What do you folks make of this ? by Chris Whittington, OpenChess Forum, June 27, 2010
 * setjmp - another one by Chris Whittington, CCC, August 27, 2008
 * Without the Clean Room by Chris Whittington, Open Chess Forum, January 26, 2011

Minority Reports

 * Minority Report Plagiarism - Quantifying Evaluation Features by Trotsky, Rybka Forum, July 09, 2011
 * Minority Report 2 - Unravelling the technical report by Trotsky, Rybka Forum, July 22, 2011
 * Minority Report 3, PST + other lookup tables are they legal? by Trotsky, Rybka Forum, July 25, 2011
 * Minority Report 4, How can something so trivial be copyright by Trotsky, Rybka Forum, August 06, 2011
 * Minority Report 5, Not plagiarism unless feature is unique by Trotsky, Rybka Forum, September 21, 2011

=External Links=
 * Chris Whittington's ICGA Tournaments
 * Meet the Authors by Ed Schröder
 * Chris Whittington - Developer BIO from MobyGames
 * Chris Whittington - World of Spectrum
 * Airbase Invader - World of Spectrum

=References=

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