The article teaches a strategy for playing the game. It works!

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.

The online game Spider Solitaire Windows XP is a similar version of a legendary and quite popular Solitaire game that comes free with Microsoft Windows XP operating systems. Many people spent hours playing this game on their old computers. And now it’s available online.