Flux Chess

Introduction

Flux Chess is an attempt to write a computer chess engine entirely in Java. The speed of most Java Virtual Machines is improving nowadays. However compared to other C/C++ chess engines Flux is still slow (or maybe my algorithms are not that sophisticated?).

As a pure UCI chess engine, Flux does not have a graphical user interface. You can load him however into your favorite chess program if it supports the UCI protocol.

Features

Below you will find a small list of what I have already implemented in Flux. Nothing special though as many computer chess engines have those features as well.

In addition Flux supports multi pv output, which means Flux can show multiple best pv lines.

Search

0x88 Board Representation
Iterative Deepening
Internal Iterative Deepening
Principal Variation Search
Aspiration Windows
Static Exchange Evaluation
Killer Heuristic
History Heuristic

Prunings and Extensions

Mate Distance Pruning
Verified Null Move Pruning
Futility Pruning, Extended Futility Pruning
Late Move Reductions
One Reply Extensions
Check Extensions
Passed Pawn Extensions
Recapture Extensions
Mate Threat Extensions

Tables

Transposition Table with Zobrist Hashing
Evaluation Hash Table
Pawn Hash Table

License

Flux Chess is released under version 3 of the LGPL.