Here is the link to the demo version on Steam: https://store.steampowered.com/app/3774810/Ultima_Chess_Demo
At this stage, it will be very important for us to get the maximum feedback on the game, and we count on you in this matter.
Connect to our Discord channel - https://discord.gg/v228Pg4xAc
Or you can give feedback about a bug or a suggestion on the forum page- https://steamcommunity.com/app/3551180/discussions/
Have a good game of chess!