> Play solitaire online - a game of strategy and skill. I've never played this variant of Solitaire before. One would need to know the rules before playing: [[https://en.wikipedia.org/wiki/Calculation_(card_game)]] I had to consult the layout quite often. The interface is not what one might be used to. It is fun though. It took me 6 attempts to win. I had fun. > If you don't visit this site for 5 years your score will reset.