Chessterfield

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Chessterfield, a family of chess engines by Matthias Lüscher, written in C++, first released in April 1998. The free native Chessterfield comes with an own GUI, the experimental WinBoard compliant ChessterfieldCL along with its learning utility ChessterfieldEN is open source published under the GNU General Public Licence V2. Chessterfield applies alpha-beta with transposition table, null move pruning, razoring and various extensions inside an aspirated iterative deepening loop.

=Screenshot=

Chessterfield GUI

=ChessterfieldCL= While affiliated with ETH Zurich, inspired by Michael Buro's CG 1998 paper From Simple Features to Sophisticated Evaluation Functions, covering not only automated parameter tuning but a procedure for exploring the feature space able to discover new features in a computational feasible way, Matthias Lüscher implemented Buro's General Linear Evaluation Model GLEM inside ChessterfieldCL, using a three-layer neural network as evaluation function - documented in his technical report under supervision of Thomas Lincke and Christoph Wirth.

=See also=
 * Chess Engines with Neural Networks
 * Chester

=Publications=
 * Matthias Lüscher (2000). Automatic Generation of an Evaluation Function for Chess Endgames. ETH Zurich Supervisors: Thomas Lincke and Christoph Wirth, pdf, pdf

=Forum Posts=
 * ChessterfieldCL stürzt ständig ab by Clemens Keck, Winboard Forum, March 24, 2000
 * Combining Neural Networks and Alpha-Beta by Matthias Lüscher, rgcc, April 01, 2000
 * Learning utility for Chessterfield available by Matthias Lüscher, rgcc, May 29, 2001
 * Chessterfield Source Code Available by Matthias Lüscher, CCC, January 10, 2001

=External Links=

Chess Engine

 * Chessterfield Chess Program
 * ChessterfieldCL Download
 * ChessterfieldCL i5a JA in KCEC

Chesterfield

 * chesterfield - Wiktionary
 * Chesterfield (disambiguation) from Wikipedia
 * Chesterfield from Wikipedia
 * Chesterfield Chess Club
 * Chesterfield (cigarette) from Wikipedia
 * Smoking and Cancer: Classic Film Stars Who Died of Cancer
 * Chesterfield coat from Wikipedia
 * Chesterfield County, South Carolina from Wikipedia
 * Chesterfield County, Virginia from Wikipedia
 * Chesterfield sofa from Wikipedia

=References=

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