Skip to main content


Showing posts from 2023

Version R2.10

 The new version includes the following: An in-depth review of the use of the program by Eric. ## Added * Play human vs human. * Analysis Bar, which can be activated by playing against an engine or another human or by visualising a game, either directly or from Config, Show/Hide. * Databases with positions, added option Export to a position sheet in open document format. ## Updated * Komodo 64 bit basic, regression to 13.02. 14.1 64 bit does not work on some 64 bit pcs. * Kibitzers, a limit can be added to the depth that the engine analyses. ## Updated languages * Language Greek by Nick Delta. * Language French by Eric * Language Chinese by Zoushen * Chinese openings by Zoushen ## Engines * Updated lc0, Version Windows 0.30.0, The LCZero Authors,  [] ( * New lc0 DNNL, Version Windows 0.30.0, The LCZero Authors,  [] (

Problem in version 2.09b, does not launch.

For users with 64-bit windows, and the program does not launch, a solution is, go to the installation folder of the program and make a copy of: c:\Users\<user>\AppData\Local\Programs\LucasChessR\bin\OS\win32\Engines\komodo\komodo-14.1-64bit-bmi2.exe.uci_options  and rename it as: komodo-14.1-64bit.exe.uci_options 

Le jeu d’échecs avec Lucas Chess

 Eric, the main betatester of the programme, has written a guide, which allows you to go deeper into the use of Lucas Chess. It is written in French, but in this day and age, it is not a big challenge to translate it into your own language. As Eric points out: Lucas Chess is an easy to use program. But it hides some features that are more complex to understand and the following pages try to clarify them. Link to the PDF   Link to Lucas Chess documents