Older Version
Newer Version
GerdIsenberg
Oct 3, 2015
**[[Home]] * [[Engines]] * Exacto** || [[image:Long_short_exact_sequences.png width="360" link="http://en.wikipedia.org/wiki/File:Long_short_exact_sequences.png"]] ||~ || **Exacto**, a [[Chess Engine Communication Protocol]] compliant [[Open Source Engines|open source chess engine]] written by [[Daniel Sparks]] in [[Cpp|C++]], the source code covered by a [[http://en.wikipedia.org/wiki/BSD_licenses|BSD license]]. Starting with version **0.e**, released in March 2014, Exacto uses [[Bitboards|bitboards]] as internal board representation, while former versions, Daniel has worked on sporadically throughout the years, were [[0x88]] <ref>[[https://github.com/dans595/exacto|dans595/exacto · GitHub]]</ref> . || || Exact sequence <ref>Shows how any exact sequence is weaved together from several overlapping short exact sequences, [[http://en.wikipedia.org/wiki/User:AxelBoldt|Axel Boldt]], February 2004, [[http://en.wikipedia.org/wiki/Exact_science|Exact science from Wikipedia]]</ref> ||~ ||^ || [[toc]] =Features= Version **0.e** features [[Magic Bitboards#Plain|plain magic bitboards]] <ref>Features of 0.e as given from the [[http://math.berkeley.edu/~sparks/exacto/|Exacto Homepage]]</ref> to determine [[Sliding Piece Attacks|sliding piece attacks]]. ==Search== * [[Iterative Deepening]] * [[Principal Variation Search|PVS]]/[[Alpha-Beta]] * [[Quiescence Search]] * [[Reductions]] ** [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]] ** [[Late Move Reductions]] ** [[Pruning]] via [[Transposition Table]] ** [[Futility Pruning]] ([[Frontier Nodes|Frontier]] and [[Pre Frontier Node|Pre-frontier Nodes]]) ** [[Razoring]] (Pre-pre-frontier Nodes) ** [[Delta Pruning]] (in Quiescence) * [[Extensions]] ** [[Check Extensions]] ** [[Recapture Extensions]] ** [[Passed Pawn Extensions]] * [[Move Ordering]] ** [[Transposition Table]] ** [[Internal Iterative Deepening]] ** [[Static Exchange Evaluation]] ** [[MVV-LVA|MVV/LVA]] ==Evaluation== * [[Tapered Eval|Tapered Evaluation]] * [[Lazy Evaluation]] * [[Pawn Structure]] with [[Pawn Hash Table]] ** [[Pawn Chain|Pawn Chains]] ** [[Isolated Pawn|Isolated Pawns]] ** [[Backward Pawn|Backward Pawns]] ** [[Doubled Pawn|Doubled Pawns]] ** [[Passed Pawn|Passed Pawns]] * [[Evaluation of Pieces]] ** [[Bad Bishop]] ** [[Bishop Pair]] ** [[Rook on Open File]] ** [[Rook On Seventh|Rook on Seventh Rank]] ** [[Development]] and [[Castling]] ** [[Loose Piece|Undefended minor piece]] penalty * [[King Safety]] ** [[King Safety#SquareControl|Enemy attacks on squares near king]] ** [[King Safety#PawnShield|Pawn fortress]] / Castling Destination ** [[Open file|Open]] and [[Half-open file|Half-open files]] around the [[King]] ** [[King Safety#KingTropism|King Piece Tropism]] =Forum Posts= * [[http://www.talkchess.com/forum/viewtopic.php?t=51514|Can you try running my engine?]] by [[Daniel Sparks]], [[CCC]], March 06, 2014 * [[http://www.talkchess.com/forum/viewtopic.php?t=51546|Engine release Exacto 0.e]] by [[Daniel Sparks]], [[CCC]], March 10, 2014 =External Links= ==Chess Engine== * [[https://github.com/dans595/exacto|dans595/exacto · GitHub]] ==Misc== * [[http://en.wiktionary.org/wiki/exacto|exacto - Wiktionary]] * [[http://www.exactosystem.com/|Welcome to the Exacto Website!]] * [[http://mike184.beepworld.de/exacto.htm|Exacto Watches]] * [[http://es.wikipedia.org/wiki/Exactitud|Exactitud - Wikipedia.es]] (Spanish) * [[http://en.wiktionary.org/wiki/exact|exact - Wiktionary]] * [[http://en.wikipedia.org/wiki/Exact_sequence|Exact sequence from Wikipedia]] * [[http://en.wikipedia.org/wiki/Exact_science|Exact science from Wikipedia]] * [[http://www.eljazzylafuria.juan-alzate.com/|El Jazz y la Furia]] - Exacto, [[http://en.wikipedia.org/wiki/Universidad_Michoacana_de_San_Nicol%C3%A1s_de_Hidalgo|Universidad Michoacana de San Nicolás de Hidalgo]], [[http://en.wikipedia.org/wiki/YouTube|YouTube]] Video > [[media type="custom" key="25340686"]] =References= <references /> =What links here?= [[include page="Exacto" component="backlinks" limit="20"]] **[[Engines|Up one level]]**