Better than Chess

This is a game, of which I don't know its name anymore. But I remember the rules of it. what seems the most important to myself. And seen I do consider it for my part much more interesting than chess, I'l gonna publish it here on thingiverse. This even if it's no magic behind the very simple parts, everybody should be able to design by itself. And which consists in fact in one single part in 4 different colors.

For the board it can be drawn on a piece of paper, wood, or whatever. But for those who might have a cnc drilling machine, I added the dxf file for it as well. (Remberger to make first one Test pocket to check if your print would fit. Pockets of DXF are 0.1mm bigger than the buttons)

NOTE:
Seen the difference in results by many printers I added several buttons with different dimensions of the upper knob to fit in the lower pocket. The name of the file declares about how much the radius of the upper knob is smaller than the downside pocket.
Just try out, which model wou