- Setup a chess GUI
Leela Chess Zero, as the most of other chess programs, implements UCI protocol and requires a chess GUI. Popular GUIs are:
Arena Chess GUI (free)
Cutechess (free)
Nibbler (free, has Lc0 specific features)
Chessbase (paid)
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Unpack the downloaded .zip file
Unpack the contents of the file that you downloaded into the location of your choice.
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Add the engine into the chess GUI
Now it’s time to add the Lc0 into the chess GUI of your choice. How exactly it’s done, depends on the GUI, but usually there is “Add Engine…” somewhere in settings. You can give any name to the entry, and as select the file lc0.exe that you unpacked as a binary/command.
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That’s it.
After this you should be able to use Lc0 in your GUI.