Chess board and piece standards.
Chess board size guide.
The united states chess federation uscf states that square size should be anywhere from 2 inches to 2 5 inches while the king s height should be 3 375 inches to 4 5 inches.
The size of the squares on the chess board.
It states that the base diameter of the king should be no more than 75 of the diameter of the squares on the chess board.
Chess boards with 1 1 2 square size chess boards with a 1 3 4 square size.
The overall size of the chess board.
Chess board guide when determining the size of chess board square that will work best for your chess pieces you need to consider both the height of the pieces and the base diameter of the largest piece which is usually the king.
The standard uscf tournament set has 2 25 inch squares and a king s height of 3 75 inches.
These boards are small and best used for either smaller traditional pieces or the range of 3 tall theme chess sets.
It uses the king heights and an approximation of the base diameters of the king versus the chessboard size.
An example of this would be a square size of 6cm supporting a king s base diameter of 4 5 cm.
For over the board otb tournament play there are different specifications to keep in mind.
Modest chess board measurements allow these boards to fit most anywhere from an end or coffee table to desk or display shelf.
The chart above gives a range of chess pieces and chess boards.
The official tournament guideline for placing chess pieces to a chess board suggests that the king s base diamter should be no more than 75 of the width of the squares on the chess board.