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'''Frenzee''',<br/>
a [[Chess Engine Communication Protocol]] compatible chess engine by [[Sune Fischer]], written in [[Cpp|C++]] and capable to play [[Chess960]], first released in January 2002 <ref>[http://web.archive.org/web/20080704173318/http://wbec-ridderkerk.nl/html/details1/Frenzee.html Frenzee] from [[WBEC|WBEC Ridderkerk]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref> as '''ChessCraft''' <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=35736 New engine?] by [[Odd Gunnar Malin]], [[Computer Chess Forums|Winboard Forum]], January 14, 2002</ref> and soon renamed to avoid confusion with [[Crafty]] <ref>[http://web.archive.org/web/20020412101849/http://www.fys.ku.dk/~fischer/frenzee/frenzee.html Frenzee] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], 2002)</ref>.
Frenzee is a [[Bitboards|bitboard]] engine using [[Rotated Bitboards]] to determine [[Sliding Piece Attacks|sliding piece attacks]] <ref>[https://web.archive.org/web/20061204195709/http://www.geocities.com/ruleren/sources.html Chess Engine Frenzee - Sources] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], 2006)</ref>. It applies [[Principal Variation Search|PVS]] and [[Null Move Pruning|null move pruning]], has its own [[Book Learning|book learning]] technique, and is able to probe [[Nalimov Tablebases|Nalimov tablebases]]. The [[Parallel Search|parallel searching]] version '''Deep Frenzee''' [[Shared Hash Table|shares]] the [[Transposition Table|transposition table]] <ref>[http://kirr.homeunix.org/chess/engines/Norbert%27s%20collection/Frenzee%20%28Compilation%29/Deep%20Frenzee%20v3.0%20wb/DeepFrenzee_3.0/faq.txt Deep Frenzee 3.0 - by Sune Fischer - FAQ]</ref>. The [[Parallel Search|parallel searching]] version '''Deep Frenzee''' [[Shared Hash Table|shares]] the [[Transposition Table|transposition table]]. Frenzee further supports [[UCI]] in analyze mode.
=Tournament Play=
