The uscf specifies that the base area of the piece should cover about 78 percent of the area of the chess board square.
Chess board size in cm.
Chess board and piece standards.
Chess boards for standard sets should have squares of approximately 2 2 1 2 inches 5 08 6 35cm.
Due to the widespread creation of new variants a wide variety of sizes can be found.
Modest chess board measurements allow these boards to fit most anywhere from an end or coffee table to desk or display shelf.
These boards are small and best used for either smaller traditional pieces or the range of 3 tall theme chess sets.
In 1617 pietro carrera proposed a variant that received his name carrera s chess with a 10 8 board later used in other variants such as capablanca chess and gothic chess.
There is an official tournament guideline for fitting chess pieces to a chess board and visa versa.
For over the board otb tournament play there are different specifications to keep in mind.
The king and queen for example should be subject to easy placement on a square without touching any edge.
Other sizes with ten rows and ten columns are used in omega chess and grand chess.
The overall size of the chess board.
This may seem like an overly complicated guideline but basically this means that for approved chess pieces the board squares should measure about 2 to 2 5 inches.
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.
For example a king with a 1 5 inch base.
The chess pieces should fit comfortably on the chess board being neither too crowded nor too isolated on the squares.
The size of the board must also match the size of the pieces.
The standard uscf tournament set has 2 25 inch squares and a king s height of 3 75 inches.