Lucas Chess in Steamdeck (touchscreen)

This is the way

There's a linux version which you can download here https://lucaschess.pythonanywhere.com/downloads

Then it's just a matter of manually adding it as a non steam game in desktop mode, I think

Just open browser and go to Lichess. Best solution IMO.

Is that on Steam? I've been trying to find a chess game on Steam but haven't had any success yet. If it's not on Steam, how do you install it?