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'''[[Main Page|Home]] * [[Engines]] * Faile'''
'''Faile''',<br/>
a [[Chess Engine Communication Protocol]] compatible [[:Category:Open Source Engines|open source chess program]] under the [[Massachusetts Institute of Technology#License|MIT License]] by [[Adrien Regimbald|Adrien M. Regimbald]], written in [[C]] and last updated as version '''1.4.4''' in 2001. It is a good example of didactic programming, containing features similar to that of [[Gerbil]], coded in a way much more digestible for beginners. [https://en.wikipedia.org/wiki/The_Dragon_Reborn Faile] is the name of a character from the popular [https://en.wikipedia.org/wiki/The_Wheel_of_Time Wheel of Time] series by [https://en.wikipedia.org/wiki/Robert_Jordan Robert Jordan]. Adrien wanted to use a different name from the series, but it was taken, and he eventually settled on Faile <ref>[https://www.stmintz.com/ccc/index.php?id=116786 Why the name Faile?] by [[Adrien Regimbald]], [[CCC]], June 28, 2000</ref>.
=Description=
Faile uses a [[Mailbox|12x12 mailbox]] board representation plus [[Piece-Lists|piece lists]], [[Negamax|negamax]] [[Alpha-Beta|alpha-beta]] with [[Transposition Table|transposition table]], [[Killer Heuristic|killer-]] and [[History Heuristic|history heuristic]], [[Captures|captures]] [[Move Ordering|ordered]] by material gain, [[Check Extensions|check extensions]], [[Null Move Pruning|null move pruning]] with [[Mate Threat Extensions|mate threat extensions]], and [[Quiescence Search|quiescence search]] inside an [[Iterative Deepening|iterative deepening]] framework. [[Evaluation]] considers [[Material|material]], [[Piece-Square Tables|piece-square tables]], [[Pawn Structure|pawn structure]], and some [[Evaluation of Pieces#Rook|rook]] and [[King Safety|king safety]] terms.
=Publications=
'''[[Engines|Up one Level]]'''
[[Category:Open Source]]
[[Category:MIT]]
[[Category:XBoard]]
[[Category:WinBoard]]
[[Category:Mac]]
[[Category:Fiction]]
[[Category:Didactic]]
