Marvin

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 * Home * Engines * Marvin**

an UCI and Chess Engine Communication Protocol compatible chess engine by Martin Danielsson, written in C. Marvin was originally developed in the early 2000s until 2005, released in May 2004 and January 2005 as closed source engine. After ten years "out of business", Martin Danielsson restarted the development in 2015 - the completely rewritten Marvin **2.0.0** was released as open source engine under the terms of the GNU General Public License (GPL3) in March 2017.
 * Marvin**,

=Features= 

Board Representation

 * Bitboards
 * 8x8 Board
 * Plain Magic Bitboards

Search
> History Heuristic > Killer Heuristic > Check Extensions > Futility Pruning > Reverse Futility Pruning (2.1.0) > Null Move Pruning > SEE Pruning > Late Move Reductions > Razoring
 * Lazy SMP (3.0.0)
 * Iterative Deepening
 * Aspiration Windows
 * Principal Variation Search (2.1.0)
 * Move Ordering
 * Selectivity
 * Quiescence Search

Evaluation
> Bishop Pair > Rook on (half) open file > Rook on 7th rank > Pawn Hash Table > Doubled Pawn > Isolated Pawn > Passed Pawn > Pawn Shield
 * Tapered Eval
 * Material
 * Piece-Square Tables
 * Mobility
 * Pawn Structure
 * King Safety
 * Texel's Tuning Method

Misc

 * PolyGlot Opening Book Fomat
 * Pondering
 * Syzygy Bases using Fathom (2.1.0)

=See also= =Forum Posts=
 * Comics
 * Fiction
 * Given Name

2004 ...

 * [|Marvin - new Winboard engine] by Martin Danielsson, Winboard Forum, May 09, 2004
 * [|New version of Marvin] by Martin Danielsson, Winboard Forum, September 30, 2004
 * [|Marvin 1.3.0] by Martin Danielsson, Winboard Forum, January 01, 2005
 * [|How to run Marvin?] by Harm Geert Muller, Winboard Forum, May 26, 2007

2017 ...

 * [|Marvin 2.0.0 released] by Martin Danielsson, CCC, March 21, 2017
 * [|Marvin 2.1.0 released] by Martin Danielsson, CCC, June 24, 2017
 * [|Marvin 2.2.0] by Martin Danielsson, CCC, September 30, 2017
 * [|Marvin 3.0.0] by Martin Danielsson, CCC, February 10, 2018

=External Links=

Chess Engine
> [|Release Marvin 2.0.0 · bmdanielsson/marvin-chess · GitHub] > [|Release Marvin 2.1.0 · bmdanielsson/marvin-chess · GitHub]
 * [|GitHub - bmdanielsson/marvin-chess: Marvin - An UCI/XBoard compatible chess engine]
 * [|Marvin 2.0.0 64-bit] in CCRL 40/40

Misc
> media type="youtube" key="rjlSiASsUIs"
 * [|Marvin from Wikipedia]
 * [|Marvin, the Paranoid Android from Wikipedia]
 * [|Marvin (comic strip) from Wikipedia]
 * [|Marvin (name) from Wikipedia]
 * [|Marvin (robot) from Wikipedia]
 * [|Marvin Gaye] - [|Sexual Healing] (1982), [|YouTube] Video

=References= =What links here?= include page="Marvin" component="backlinks" limit="20"
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