Chess4j 6.1 - new version chess engine

Chess4j - Xboard compatible Java based chess engine, Rating CEDR=2056
Author James Swafford,

Chess4j 6.1 what's new?

NNUE (recommended for native mode only)

fixed bug in draw by rep detection when using native engine

more cleanup and refactoring

Introduction

Chess4j is a chess program written using Java technologies. It is a test bed of sorts for various interests. Those interests include experimenting with different JVM based languages, parallel and distributed computing, and machine learning.

Installing

To play chess4j, you'll need a Java 11 or later JRE and Winboard or Xboard. To see if you have a JRE installed, open a command prompt and type 'java -version'.

Chess4j 6.1 download

Chess4j 6.0 JA vs other engines:

Purple Panda 18	2/2	+2	2 Games
Freda 1.0	2/2	+2	2 Games
Kairuku 1.0.1 JA	2/2	+2	2 Games
Brogle 0.1.0	2/2	+2	2 Games
Alpaca 0.2.6	2/2	+2	2 Games
Hardfiskur rev 66b215f	1/2	+0	2 Games
Eubos 3.7 JA	1/2	+0	2 Games
Astra 3.4	0/2	-2	2 Games
EveAnn 2.1	0/2	-2	2 Games
Tcheran 4.0	0/2	-2	2 Games
Donut dev.38ee0c6 JA	0/2	-2	2 Games
Lozza 3 Dev.874772a JA	0/2	-2	2 Games
Myrddin 0.91	0/2	-2	2 Games
Cwtch 1	0/2	-2	2 Games
Rengar 2.1.1	0/2	-2	2 Games
Perseus 0.9-alpha	0/1	-1	1 Games