Warning! - Pretty Good Solitaire may be addictive. We are not responsible for lost productivity, neglected spouses, children, or pets. We are not responsible for lost sleep because you stay up to play "just one more game".
Trefoil is a one deck Fan type game.
There are four foundation piles that are built up in suit from Ace to King as usual. At the start of the game the Aces are dealt here. The object of the game is to move all the cards here and win the game.
Under the foundations are 16 tableau piles. These are built down in suit. Only one card at a time may be moved. Spaces are not filled. At the start of the game 3 cards are dealt face up to each pile. All of the cards are dealt out face up, making Trefoli an open game.
There are two redeals. After all possible plays have been made, redeal by clicking on the green arrow in the upper left corner. All the cards in the fans are reshuffled. The foundations remain. When the green arrow becomes x'ed out, there are no more redeals.
There are two ways to move cards between fans, depending on the settings under Rules in the Options menu. If Drag and Drop is set, the cards are dragged with the mouse. If Click is set, clicking on a card in a fan automatically moves it to the one other fan that it can move to.
Trefoil is a variation of La Belle Lucie where the four Aces are dealt to the foundations at the beginning of the game. This makes it slightly easier to win. An average player wins about 25% of the time.
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