White has played a very poor move and allowed Black the quickest possible checkmate – Fool's Mate – in the opening game of chess: Mate in two moves. The mate almost never occurs in practice but is commonly known among chess players, due to it being the fastest possible checkmate.
A variation of this mate occurs when White advances the f-pawn two squares: 1. f4 e6 2. g4 Qh4#. White can also move his g-pawn before the f-pawn.
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