Chess4j
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chess4j,
an open source chess engine by James Swafford using Java based technologies
and the Chess Engine Communication Protocol, released under the MIT License,
and first published in September 2012 [1].
The engine was hosted on SourceForge, and meant to be a test bed for various interests, including experimenting with different JVM based languages, parallel and distributed programming techniques, and machine learning.
Since version 3.2 released in March 2017, chess4j became a bitboard engine, using magic bitboards to generate moves [2], now hosted on GitHub.
Contents
Features
Board Representation
Search
Evaluation
- Material
- Piece-Square Tables
- Rook on Open File
- Rook/Queen on Seventh
- King Safety
- Pawn Structure
- Pawn Hash Table
See also
Forum Posts
- Mr.James Swafford and Chess4J project by Ruxy Sylwyka, CCC, September 11, 2012
- chess4j 3.0 is released by James Swafford, CCC, January 16, 2016
- chess4j 3.1 released by James Swafford, CCC, February 12, 2017
- chess4j 3.2 is released (and it's magic) by James Swafford, CCC, March 11, 2017
- Re: chess4j 3.2 is released (and it's magic) by Günther Simon, CCC, November 16, 2017
- hashing in chess4j by James Swafford, CCC, December 30, 2017 » Transposition Table
- chess4j 3.4 by James Swafford, CCC, July 27, 2018
- chess4j 3.5 by Gabor Szots, CCC, December 18, 2018
External Links
- GitHub - jswaff/chess4j: a Java based chess engine [3]
- chess4j | James Swafford Blog
- Chess4j in CCRL 40/4
References
- ↑ chess4j 1.0 is released! by James Swafford, September 15, 2012
- ↑ chess4j 3.2 is released (and it's magic) by James Swafford, CCC, March 11, 2017
- ↑ Re: chess4j 3.2 is released (and it's magic) by Günther Simon, CCC, November 16, 2017