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Free chess engines:


These are the best and the strongest 2020 chess programs. They are totally free.

A Graphical User Interface (GUI) is required to use them, such as Fritz (Windows), the free Arena (Windows and Linux) or Droidfish (Android): any of these programs (chess engines) must be installed on said interfaces.

How to install these programs on Fritz:


CF_EXT - Machines rapid competition (updated)

Stockfish Polyglot - Machines rapid competition and analysis
(rated 9.08/10)

Cfish - Machines rapid competition and analysis
(rated 9.02/10)

BrainLearn - Machines rapid competition
(rated 8/10)

Raubfisch - Machines rapid competition
(rated 9.09/10)

CorChess - Correspondence chess or machines rapid competition


With the change of the engines to NNUE it's crucial to have the requested net and place it in the same folder with them if the net is not embedded in these programs (binaries less than 10 MB).

The Android binaries are already compiled with the network embedded so there's no need to put the network together.



Candy Box