Fool's mate Fool's mate In chess, Fool's Mate, also known as the Two-Move Checkmate, is the checkmate in the fewest possible number of moves from the start of the game. This can be achieved only by Black, who can deliver checkmate on move 2 with the queen. Fool's Mate received its name because it can only occur if White commits an extraordinary blunder. Even among rank beginners, the mate almost never occurs in practice. An example of Fool's Mate consists of the moves: resulting in the position shown. The pattern can have slight variations; Black could play ...e6 or ...e5, and White
Pure mate Pure mate A pure mate is a checkmating position in chess in which the mated king and all vacant squares in its field are attacked only once, and squares in the king's field occupied by friendly units are not also attacked by the mating side (unless such a unit is necessarily pinned to the king to avoid it interposing to block the check or capturing of mating unit). Pure mates are of only incidental interest in practical play, but they are considered by some to add value to a chess problem. If all units of the mating side, with the