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ROCE
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'''ROCE''', (Roman's Own Chess Engine)<br/>
an [[UCI]] compliant chess engine by [[Roman Hartmann]], written in [[C]]. Its - development started in late 2003.
ROCE played the [[WCRCC 2007]] and the [[WCRCC 2008]] respectively, and became a reference engine for [[Perft]] and [[Perft#Divide|Divide]]
<ref>[http://www.rocechess.ch/perft.html A few informations regarding perft/divide]</ref>.
=Description=
Roce's [[Board Representation|board is represented]] by a [[10x12 Board|10x12 board]] and a [[Piece-Lists|piece list]], [[Incremental Updates|incrementally updated]] during [[Make Move|make move]],
which is also applied to the [[Evaluation|evaluation]] [[Score|score]]. It initially [[Move Generation#Legal|generates generated legal moves]] only, and switched to [[Move Generation#PseudoLegal|pseudo legal]] later <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=7&t=35586&start=5 Re: Legal or Pseudo-Legal Move generation] by [[Roman Hartmann]], [[CCC]], July 27, 2010</ref>.
Plain [[Alpha-Beta|alpha-beta]] is realized in [[Negamax|negamax]] manner with [[Beta-Cutoff|Beta-cutoffs]], and performs [[Null Move Pruning|null move pruning]] with [[Depth Reduction R|R=2]] and [[Null Move Pruning#ZugzwangVerification|verification search]],
and a [[Quiescence Search|quiescence search]] considering [[MVV-LVA|MVV/LVA]] to [[Move Ordering|order moves]] <ref>Description based on [http://www.rocechess.ch/rocee.html ROCE - Roman's Own Chess Engine - A few technical details]</ref>.
* [http://www.talkchess.com/forum/viewtopic.php?t=21919 WCRCC-Report] by [[Roman Hartmann]], [[CCC]], June 23, 2008 » [[WCRCC 2008]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=6&t=35439 STS <nowiki>[1-10]</nowiki> Roce 0.0380] by [[Swaminathan Natarajan]], July 15, 2010 » [[Strategic Test Suite]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=35586&start=5 Re: Legal or Pseudo-Legal Move generation] by [[Roman Hartmann]], [[CCC]], July 27, 2010
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=36411&start=12 Re: Question regarding WAC number 2] by [[Roman Hartmann]], [[CCC]], October 19, 2010 » [[Win at Chess]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=48502&start=1 Re: Chess960 / FRC on ICS] by [[Roman Hartmann]], [[CCC]], July 01, 2013 » [[Chess960]]
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=52965 perft/divide bug in roce38 and Sharper? [SOLVED]] by thedrunkard, [[Computer Chess Forums|Winboard Forum]], October 16, 2013 » [[Perft]], [[Sharper]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=57235&start=21 Re: Worst advice] by [[Roman Hartmann]], [[CCC]], August 11, 2015 » [[Aspiration Windows]]
=External Links=
