Solo Whist, sometimes known as simply
Solo, is a
trick-taking card game whose direct ancestor is the 17th-century Spanish game
Ombre, based on the English
Whist. Its major distinctive feature is that one
player often plays against the other three. However, players form temporary alliances with two players playing against the other two if "Prop and Cop" is the current bid. It requires four players using a standard 52
card deck with no
jokers. Aces are high and the deal, bidding and play are clockwise.