JanWillem

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JanWillem, (Jan Willem) a Chess Engine Communication Protocol compliant chess engine by Laurens Winkelhagen, written in C++, and released in 2004.

=Features=

Board Representation

 * Bitboards

Search

 * Iterative Deepening
 * Aspiration Windows
 * NegaScout
 * Transposition Table
 * Selectivity
 * Null Move Pruning
 * Check Extensions
 * Mate Threat Extensions (v1.11)
 * Quiescence Search

Evaluation

 * Material
 * Pawn Structure
 * Passed Pawns
 * King Centralization in Endgame

Misc

 * Nalimov Tablebases
 * Opening Book

=See also=
 * FrankWalter

=Forum Posts=
 * JanWillem 1.09 by Laurens Winkelhagen, Winboard Forum, October 29, 2004
 * Jan Willem v1.10 compiled :-) by Laurens Winkelhagen, Winboard Forum, November 23, 2004
 * JanWillem by Laurens Winkelhagen, Winboard Forum, November 26, 2004
 * Re: JanWillem by Laurens Winkelhagen, Winboard Forum, Dececmber 04, 2004


 * Java & Magic Bitboards by Laurens Winkelhagen, Winboard Forum, February 03, 2009

=External Links=

Chess Engine

 * Engine Download List from Ron Murawski's Computer-Chess Wiki
 * Index of /chess/engines/Jim Ablett/JAN WILLEM by Jim Ablett, hosted by Kirill Kryukov
 * JanWillem 1.13 in CCRL 40/4
 * JanWillem 1.13 in KCEC

Misc

 * Jan Willem from Wikipedia
 * Jan Willem te Kolsté from Wikipedia
 * Willem from Wikipedia

=References= Up one level