This page explains commonly used terms in chess in alphabetical order.
Chess is a two-player strategy board game played on a chessboard, a checkered gameboard with 64 squares arranged in an eight-by-eight grid.
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Some of these have their own pages, like fork and pin.
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For a list of unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of chess-related games, see Chess variants.
A chess problem, also called a chess composition, is a puzzle set by somebody using chess pieces on a chess board, that presents the solver with a particular task to be achieved.
A fairy chess piece or unorthodox chess piece is a chess piece not used in conventional chess but incorporated into certain chess variants and some chess problems.