Chess is a two-player strategy board game played on a chessboard, a checkered board with 64 squares arranged in an 8×8 grid. Played by millions of people worldwide, chess is believed to be derived from the Indian game Chaturanga sometime before the 7th century.

Play involves no hidden information. Each player begins with 16 pieces: one king, one queen, two rooks, two knights, two bishops, and eight pawns. Each piece type moves differently, with the most powerful being the queen and the least powerful the pawn.