For over the board otb tournament play there are different specifications to keep in mind.
Chess board size in cm.
For example a king with a 1 5 inch base.
The king and queen for example should be subject to easy placement on a square without touching any edge.
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.
The size of the board must also match the size of the pieces.
Other sizes with ten rows and ten columns are used in omega chess and grand chess.
The size of the squares on the chess board.
The overall size of the chess board.
The chess pieces should fit comfortably on the chess board being neither too crowded nor too isolated on the squares.
Chess boards with 1 1 2 square size chess boards with a 1 3 4 square size.
There is an official tournament guideline for fitting chess pieces to a chess board and visa versa.
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.
Modest chess board measurements allow these boards to fit most anywhere from an end or coffee table to desk or display shelf.
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 uscf specifies that the base area of the piece should cover about 78 percent of the area of the chess board square.
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.
These boards are small and best used for either smaller traditional pieces or the range of 3 tall theme chess sets.
Chess boards for standard sets should have squares of approximately 2 2 1 2 inches 5 08 6 35cm.