Solitaire is an individual game, where there is no real conflict of interest, because the only interest here is the interest of the individual player himself, and in this game, luck or chance is the basic structure of the game, depending on shuffling the cards and on what the player has of good cards distributed to him randomly.
Although probability theory is interested in individual games, it is not considered a popular topic in game theory, as there is no opponent who adopts an independent approach to compete with the player's choices.