The World Chess Federation (FIDE) recommends that the squares on the chessboard measure between two and two and a half inches, with the entire board being between sixteen and twenty-one inches. A typical regulatory chessboard size is twenty-one inches long and twenty-one inches wide. To ensure that the pieces fit properly on the board, FIDE also states that the diameter of the king's base should not exceed 75% of the diameter of the squares on the chessboard. For example, a king with a base diameter of 1.5 inches must have a square diameter of 2 inches.
It is generally accepted that the best-sized chessboard has a square size of 2 inches and between 17 and 21 inches wide, allowing good space for the piece to fit on the board and move freely during the game. The relevant bodies also indicate the size of the tournament's chess pieces by specifying the recommended height of the king or the diameter of the base in centimeters or inches. For a tournament board to be used legitimately, the chess set used on it must be of a complementary size. This is the case whether the board is made of wood or vinyl, used by the world chess federation or at chess club events.
The World Chess Federation (FIDE) states that each square to play a tournament must be between 5 cm and 6 cm, which is equivalent to between 1.97 and 2.36 inches. A fully configured chessboard will have half of the squares occupied by two opposing groups of 16 pieces, with 32 squares available in the center of the board for playing. When selecting a chess set for tournaments, it is important to keep in mind that pieces should weigh heavily for a great gaming experience and have a beautiful finish, with a luxurious felt billiard base. While it will still be possible to play a game of chess under these circumstances, it is important to ensure that all pieces fit properly on the board for an enjoyable gaming experience.
The sizes, rules, specifications, proportions and tricks for setting up a chess board for tournaments can be overwhelming, but if you focus on practicality, it will be relatively easy for you to evaluate the chessboard and establish combinations that are suitable for tournament levels of game on the board.