Coiled

an UCI compliant chess engine by Oscar Gavira, written in C, first released in 2013. Coiled **0.4**, released in September 2016 is available as 32-bit and 64-bit executable for Windows. || toc =Features=
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 * [[image:SlinkySpringstoFame.jpg link="https://commons.wikimedia.org/wiki/File:Oberhausen_-_Kaisergarten_-_Slinky_30_ies.jpg"]] ||~ || **Coiled**,
 * Slinky Springs to Fame ||~ ||^ ||

Board Representation

 * 8x8 Board
 * Simple Move Generation

Search

 * Iterative Deepening
 * Aspiration Windows
 * PVS / Alpha-Beta
 * Repetitions
 * Transposition Table
 * Quiescence Search
 * Selectivity
 * Extensions
 * Check Extensions
 * Passed Pawn to 7th Rank
 * Pruning
 * Futility Pruning
 * Mate Distance Pruning
 * Null Move Pruning (R = 3)
 * Static Exchange Evaluation
 * Reductions
 * Late Move Reductions
 * Razoring
 * Move Ordering
 * Hash Move
 * PV-Move
 * Internal Iterative Deepening
 * MVV/LVA
 * Killer Heuristic
 * History Heuristic

Evaluation

 * Material
 * Tapered Eval
 * Piece-Square Tables
 * Pawn Structure
 * Pawn Hash Table
 * Backward Pawn
 * Isolated Pawn
 * Doubled Pawn
 * Passed Pawn
 * Unstoppable Passer
 * Hidden Passed Pawn
 * Candidate Passed Pawn
 * Faker
 * Bishop
 * Bishop Pair
 * Mobility
 * Trapped Bishop
 * Square Control
 * Knight
 * Outposts
 * Mobility
 * Trapped Knight
 * Square Control
 * Rook
 * On Open and Semi-Open File
 * Rook on Seventh Rank
 * Mobility
 * Trapped Rook
 * Square Control
 * King Safety
 * Castling rights
 * Pawn Shield
 * Pawn Storm
 * Attacking King Zone
 * King Tropism
 * Endgame Interior Node Recognizer
 * Insufficient Material
 * KPK
 * KRK
 * KBNK
 * KQK
 * KBBK
 * Gaviota Tablebases

Misc

 * Opening Book ([|SQLite] format)
 * Pondering
 * UCI

=See also=
 * Loop

=Forum Posts=
 * [|Hispanic chess engines + Winboard Zeta Pack number 18] by Pedro Castro, CCC, August 14, 2013
 * [|Coiled 0.2b] by Oscar Gavira, CCC, July 22, 2014
 * [|Coiled 0.4] by Oscar Gavira, CCC, September 12, 2016

=External Links=

Chess Engine

 * [|Coiled - Información y descargar. Motor de ajedrez UCI] (Spanish)
 * [|Coiled] in CCRL 40/4

Misc
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 * [|Coiled Spring] by [|Pentala Harikrishna], [|Chess.com], September 12, 2011
 * [|coiled - Wiktionary]
 * [|coil - Wiktionary]
 * [|Coil from Wikipedia]
 * [|Coiled coil from Wikipedia]
 * [|Coiled coil filament from Wikipedia]
 * [|Coil spring from Wikipedia]
 * [|Electromagnetic coil from Wikipedia]
 * [|Chemical oxygen iodine laser (COIL) from Wikipedia]
 * [|Coiled bodies from Wikipedia]
 * [|Feverkin] - [|Coiled Corner (feat. Bijou)], [|YouTube] Video

=References= =What links here?= include page="Coiled" component="backlinks" limit="40"
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