Myrddin

a Chess Engine Communication Protocol aka WinBoard compliant chess engine by John Merlino. Myrddin started its life in 2009 as a 0x88 engine with rudimentary evaluation based on material and piece-square tables, and was converted to bitboards in 2012 with v0.86. Search is basically alpha-beta with generally conservative extensions and reductions. Myrddin's SEE implementation is based on pseudo-code by Andres Valverde.
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 * [[image:396px-Llyfr_Du_Caerfyrddin_t1.jpg width="256" height="386" link="http://en.wikipedia.org/wiki/File:Llyfr_Du_Caerfyrddin_t1.jpg"]] ||~  || **Myrddin**,

Myrddin **0.87**, released in January 2015, features a lazy parallel search using processes and a shared hash table, based on an idea from Harm Geert Muller. || toc =Etymology= The program's name is related to its author's last name [|Merlino], the [|Italian] equivalent of [|Merlin], a legendary figure best known as the wizard featured in the Arthurian legend, derived from the [|Welsh] Myrddin, the name of the bard [|Myrddin Wyllt].
 * [|Page 1] of [|Black Book of Carmarthen] ||~  ||^   ||

=See also=
 * Arthurian legend
 * Magic
 * The King

=Forum Posts=

2009

 * [|Introducing Myrddin v0.0000001a] by John Merlino, CCC, February 24, 2009
 * [|Myrddin v0.80 Alpha 1 release] by John Merlino, CCC, May 09, 2009
 * [|Myrddin v0.81 Alpha 2 release] by John Merlino, CCC, May 29, 2009
 * [|Myrddin 0.82 release] by John Merlino, CCC, September 27, 2009

2010 ...

 * [|Myrddin 0.83 release] by John Merlino, CCC, February 23, 2010
 * [|Myrddin 0.84 release] by John Merlino, CCC, September 20, 2010
 * [|Myrddin 0.85 release] by John Merlino, CCC, May 03, 2011
 * [|Re: Programmers: what's the story behind the name of your engine] by John Merlino, CCC, June 21, 2011
 * [|Myrddin 0.86 release] by John Merlino, CCC, December 22, 2012
 * [|SMP and pondering] by John Merlino, CCC, February 08, 2014 » Parallel Search, Pondering

2015 ...

 * [|Myrddin 0.87 release] by John Merlino, CCC, January 25, 2015

=External Links=

Chess program

 * [|Myrddin] by John Merlino, [|Computer-Chess Wiki] by Ron Murawski
 * [|Myrddin] from WBEC Ridderkerk
 * [|Myrddin 0.84 32-bit] in CCRL 40/40
 * [|Myrddin 0.85 64-bit] in CCRL 40/40
 * [|Myrddin 0.86 64-bit] in CCRL 40/40

Misc
> Lineup: [|Roy Babbington], [|John Etheridge], John Marshall, Karl Jenkins > media type="custom" key="24948822"
 * [|Myrddin (disambiguation) from Wikipedia]
 * [|Myrddin Wyllt from Wikipedia]
 * [|Merlin from Wikipedia]
 * [|Mago Merlino from Wikipedia.it] (Italian)
 * [|Prophetiae Merlini from Wikipedia]
 * [|Myrddin & Merlin: A Guide to the Early Evolution of the Merlin Legend] from [|Arthuriana] by [|Thomas Green]
 * [|Theosophy Avalon / Ynys Witrin - The Theosophy Wales King Arthur Pages - Vortigern's Stronghold Dinas Emrys]
 * [|Myrddin « Witchful Thinking]
 * [|Myrddin Emry] by [|Jeffrey Elric Diehl]
 * [|The Myrddin Falcon] by [|Bard Judith]
 * [|The Story of Myrddin Wyllt] by [|Elis Gruffudd], 16th Century
 * Soft Machine - The Tale of [|Taliesin], from [|Softs], 1976, [|YouTube] Video

=References= =What links here?= include page="Myrddin" component="backlinks" limit="40"
 * Up one Level**