Thanks! When i had the idea of a game with forgotten rules, i took a chess game and tried making up rules until i was having fun. I ended up with this kind of placing game with adjacency bonus and effects. I spent a lot of time on the tutorial, I'm glad it was enjoyed.
From the feedback i got, the rules/strategy may have been a bit to complex to really enjoy for a game jam, something I'll have to work on for next time.