It's an exact-bidding game, but you predict your tricks by taking coloured chips. For each trick that you win, you toss a chip back. If you take a trick in a colour for which you didn't have a chip, then you must take a black chip (worth -3 points). If you have any coloured chips left at the end of the round, they're worth -2 points. If you have any white chips left at the end of the round (wildcards that you get when someone takes a coloured chip away from you during bidding), they're worth -4 points.