In chess, a back-rank checkmate (also known as a corridor mate) is a checkmate delivered by a rook or queen along the opponent's back rank (that is, the row closest to them) in which the mated king is unable to move up the board because the king is blocked by friendly pieces (usually pawns) on the second rank. == Introduction == Beginners are more likely to succumb to back-rank checkmate, as they are more likely to miss threats in general.
In chess, a back-rank checkmate (also known as a corridor mate) is a checkmate delivered by a rook or queen along the opponent's back rank (that is, the row closest to them) in which the mated king is unable to move up the board because the king is blocked by friendly pieces (usually pawns) on the second rank. == Introduction == Beginners are more likely to succumb to back-rank checkmate, as they are more likely to miss threats in general.
Source: Wikipedia "Back-rank checkmate" · CC BY-SA 4.0
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