A. It is a two-player board game played on a board with 64 squares. Each player begins the game with sixteen pieces: one king, one queen, two rooks, two knights, two bishops, and eight pawns. Each of the six piece types moves differently. Pieces are used to attack and capture the opponent's pieces. The aim is to 'checkmate' the opponent's king.

This describes the game of Chess. It is a two-player strategy board game played on a checkered board with 64 squares arranged in an 8x8 grid. Each player begins with 16 pieces: one king, one queen, two rooks, two knights, two bishops, and eight pawns. The objective is to checkmate the opponent's king, meaning to threaten it with inevitable capture.