Loop became third behind behind the later disqualified Rybka and Zappa, ahead of Shredder and GridChess.Дuring 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.

WCCC 2007ДЄnother success was the participation of Loop Amsterdam (64-bit) during the WCCC 2007, also represented by Clemens Keck. Reul's new program Loop (32-bit) played the 26th DOCCC 2006 in Leiden, represented by Opening Book AuthorClemens Keck, and surprised as runner up behind Rybka and ahead of HIARCS. With hindsight Fritz Reul was fully rehabilitated by the ICGA in 2005: DOCCC 2006 As a consequence, Loop List was disqualified after eight of eleven rounds. 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. List was not represented by its author himself, but by Erdogan GГјnes. ДЇritz Reul's first WCCC experience in Graz 2003 was a mess. project New Architectures in Computer Chess at the Maastricht University supervised by Jaap van den Herik and Jos Uiterwijk, which he completed in June 2009 at Tilburg University.

Fritz studied mathematics and applied computer science at University of Applied Sciences Giessen-Friedberg, and defended his M.Sc. On the other side Houdini behaves in anoptimum fashion between these two extremes and that is why it is the strongest engine.ДЄ German computer scientist, chess programmer, and author of the chess engines List and Loop, which is also the chess engine of Wii Chess. But Rybka andCritter do not miss the intermezzos but since they cannot descend to depths like Stockfish they cannot come up with the conclusion to their anlyses. The reflection of this choice on the chess board is as follows: Stokfish becomes very strong in finding powerful moves in the middle game which lead to a win but the anlyses may miss intermezzos. The best engines which use this method are Critter and Rybka and maybe also Houdini but Stockfish uses (singular extention)as I mentioned above which is basicly a method where you increase the depth by one if there is a viable only move or a singular move.The other 3 engines find this method expensive in terms of using computing and computer resources. In simple terms this means the betterment of move eliminaton method. One of the best waysto increase the the playing power of a chess engine is to enhance the algorithm called Alpha-Beta Pruning.

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