Clarabit

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**[[Home]] * [[Engines]] * Clarabit**

**Clarabit**,
a [[Chess Engine Communication Protocol]] and [[UCI]] compatible chess engine by [[Salvador Pallares Bejarano]], dedicated to his daughter Clara <ref>[[http://sites.google.com/site/sapabe/|Clarabit Chess Engine]]</ref>. Clarabit is [[Bitboards|Bitboard]] based and applies [[Magic Bitboards|Magic bitboards]], as acknowledged to [[Pradu Kannan]] in the Readme.txt file <ref>[[http://sites.google.com/site/sapabe/downloads|Clarabit Chess Engine - downloads]]</ref>. Salvador provides executables running under [[Linux]] and [[Windows]], 32 as well as 64 bit versions.

=Search=
Clarabit's [[Search|search]] performs and uses <ref>[[http://sites.google.com/site/sapabe/technicalinfo|Clarabit Chess Engine - Technical Info]]</ref>:
* [[Principal Variation Search]]
* [[Quiescence Search|Limited Quiescence Search]]
* [[Static Exchange Evaluation]] and [[MVV-LVA]]
* [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]]
* [[Transposition Table]] 
* [[Pawn Hash Table]]
* [[History Heuristic]]
* [[Killer Move|Killers]] and [[Mate Killers]] 
* [[Check Extensions]] 
* [[Late Move Reductions]] 

=Evaluation=
Clarabit's [[Evaluation|evaluation]] is based on: 
* [[Material]] 
* [[Mobility]] (attack bitboards)
* [[Piece-Square Tables]] 
* [[Evaluation of Pieces|Piece type Positional Knowledge]] 
* [[Pawn Structure]] 
** [[Doubled Pawn]]
** [[Backward Pawn]] 
** [[Isolated Pawn]] 
** [[Passed Pawn]] 
** [[Candidate Passed Pawn]] 
* [[King Safety]]  
* Specific [[Endgame]] Knowledge

=External Links=
* [[http://sites.google.com/site/sapabe/|Clarabit Chess Engine]]
* [[http://en.wiktionary.org/wiki/clarabit|clarabit - Wiktionary]]

=References= 
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=What links here?=
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