Fritz+Reul

a German mathematician, computer scientist, computer chess programmer, and author of the chess engines List and Loop, which is also the chess engine of Wii Chess. Fritz studied mathematics and applied computer science at [|University of Applied Sciences Giessen-Friedberg], and made his MSc on computer chess in 2004. In 2005 he started his Ph.D. project //New Architectures in Computer Chess// at the Maastricht University supervised by Jaap van den Herik and Jos Uiterwijk, which he defended in June 2009 at the Tilburg University. || toc =Photos= =Tournaments=
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 * [[image:reul.jpg link="http://www.fh-giessen-friedberg.de/site/20080205691/aus-lehre-und-forschung/schachmatt.html"]] ||~  || **Fritz M.H. Reul**,
 * Fritz Reul ||~  ||^  ||
 * [[image:ReulMainz.JPG width="580" height="440" link="http://www.chesstigers.de/ccm9_index_news.php?id=760&rubrik=6&lang=0&kat=6"]] ||
 * Fritz Reul, Chess960CWC 2005 ||

WCCC 2003
Fritz Reul's first WCCC experience in Graz 2003 was a mess. List was not represented by its author himself, but by Erdogan Günes. Fritz, probably not aware of the ICGA rules, and with examination commitments, did not act appropriate to prove his program was not a clone, as accused by an official protest during the tournament. As a consequence, Loop List was disqualified after eight of eleven rounds. With hindsight Fritz Reul was fully rehabilitated by the ICGA in 2005:



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DOCCC 2006
Reul's new program Loop (32-bit) played the 26th DOCCC 2006 in Leiden, represented by Opening Book Author Clemens Keck, and surprised as runner up behind Rybka and ahead of Hiarcs.

WCCC 2007
Another success was the participation of Loop Amsterdam (64-bit) during the WCCC 2007, also represented by Clemens Keck. Loop became third behind Rybka and Zappa, ahead of Shredder and GridChess.

=New Allegations= During the ICGA Investigations in 2011 concerning the Rybka Controversy and evaluation overlaps, 64-bit Loop was inspected by Mark Watkins who found congruence with the evaluation of Fruit 2.1. As confirmed by David Levy, the ICGA has received a complaint on Loop by Fruit author Fabien Letouzey and an investigation has been started about this case, as already mentioned by Watkins in August 2011.


 * Complaints

=Selected Publications=
 * Fritz Reul (**2005**). //A Letter to the ICGA//. ICGA Journal, Vol. 28, No. 1 [|pdf]
 * Fritz Reul (**2009**). //New Architectures in Computer Chess//. Ph.D. Thesis, [|pdf]
 * Fritz Reul (**2010**). //Static Exchange Evaluation with αβ-Approach//. ICGA Journal, Vol. 33, No. 1

=Forum Posts=
 * [|doing undoing] by Fritz Reul, CCC, May 14, 2007 » Make Move, Unmake Move
 * [|Iterative DTS] by Fritz Reul, CCC, July 02, 2007 » Parallel Search
 * [|Board without color flags] by Fritz Reul, CCC, October 31, 2009 » Color Flipping
 * [|Compiler Problem] by Fritz Reul, CCC, June 29, 2010

=External Links=
 * [|Fritz Reul's ICGA Tournaments]
 * [|ICGA/Rybka controversy: Feedback - Allegations against another Chess Engine – The LOOP Program] by David Levy, ChessBase News, February 17, 2012
 * [|Allegations against two more Chess Engines – The LOOP Program] by David Levy, ICGA president, May 22, 2012 » Thinker
 * [|Complaints against the Chess programs LOOP and THINKER] by David Levy, ICGA President, May 9, 2014

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