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'''[[Main Page|Home]] * [[Engines]] * RubiChess'''
'''RubiChess'''<br/>(Rubi),
an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Andreas Matthies]], written in [[Cpp|C++]], licensed under the [[Free Software Foundation#GPL|GPL v3.0]].
RubiChess started in 2017 as [[0x88]] engine and soon evolved to a [[Bitboards|bitboard]] engine first using [[Rotated Bitboards|rotated bitboards]] and subsequently [[Magic Bitboards|magic bitboards]] (about 24% faster) to determine [[Sliding Piece Attacks|sliding piece attacks]] <ref>[https://github.com/Matthies/RubiChess/blob/master/ChangeLog.txt RubiChess/ChangeLog.txt at master · Matthies/RubiChess · GitHub]</ref>.
