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'''Quark''',<br/>
a [[Chess Engine Communication Protocol]] compatible chess engine by [[Thomas Mayer]], written in [[Cpp|C++]]. Beside using [[Alpha-Beta|alpha-beta]], Quark used to improve about 100 Elo each in implementing a [[Transposition Table|transposition table]], [[Null Move Pruning|null move pruning]] and an advanced [[Evaluation|evaluation]] along with various speed improvements <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=4441&start=5 Re: Best feature?] by [[Thomas Mayer]], [[Computer Chess Forums|Winboard Forum]], March 02, 2006</ref>.
Over the board, Quark played the [[WCCC 2003|11th World Computer Chess Championship]] in Graz 2003 <ref>[https://www.game-ai-forum.org/icga-tournaments/program.php?id=120 Quark's ICGA Tournaments]</ref>,
as well as various [[IPCCC|IPCCCs]] in Paderborn, [[Dutch Open Computer Chess Championship]], [[International CSVN Tournament]] <ref>[http://www.quarkchess.de/csvn2001/body_index.html 1st CSVN-Tournament 2001]</ref> in Leiden and the [[BELCT 2001]] <ref>[http://www.quarkchess.de/belct/ BELCT 2001 Berlin is worth a trip!]</ref> in Berlin.
