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a Danish mathematician at School of Electronic Engineering and Computer Science at [[Queen Mary, University of London]], with a Ph.D. from [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford]. His research interests include [https://en.wikipedia.org/wiki/Mathematical_logic mathematical logic], [https://en.wikipedia.org/wiki/Bounded_quantifier bounded arithmetic], [https://en.wikipedia.org/wiki/Computational_complexity_theory computational complexity theory], [https://en.wikipedia.org/wiki/Representation_theory representation theory and algebra], [https://en.wikipedia.org/wiki/Network_coding network coding], [https://en.wikipedia.org/wiki/Information_theory information theory], and theoretical aspects of computer chess. He used to play competitive chess in the 80s (Elo 2300) and has been briefly involved with chess programming <ref>[http://www.chessbase.com/newsdetail.asp?newsid=3465 Computer analysis of world champions] by [[Søren Riis]], [[ChessBase|ChessBase News]], November 02, 2006</ref>. He is was moderator of the [[Computer Chess Forums|Rybka Forum]] <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=420807&t=40151 Re: Rybka to play in Leiden?] by [[Harvey Williamson]], [[CCC]], August 23, 2011</ref>, and critic of the [[ICGA]] [[Rybka Controversy#RybkaDecision|decision]] concerning [[Rybka]] and [[Vasik Rajlich]] in 2011 <ref>[http://www.computerschaak.nl/index.php?option=com_content&view=article&id=514%3Arybka-en-de-icga&catid=18%3Avereniging&Itemid=28&lang=en Rybka and the ICGA], [[CSVN]]</ref> <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=22522;pg=2 Re: For non programmers] by SR, [[Computer Chess Forums|Rybka Forum]], July 30, 2011</ref>, as manifested January 2012 in a [[ChessBase]] article with an immediate [[Rybka Controversy#Rebuttal|rebuttal]] followed by the [[ICGA]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=41866 ICGA response to ChessBase 4-part article] by [[Robert Hyatt]], [[CCC]], January 08, 2012</ref>.