Checkerboard

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5 by 5 checkerboard pattern
5 by 5 checkerboard pattern

A checkerboard (or chequerboard) is a board on which American checkers is played. It is an 8×8 board and the 64 squares are of alternating dark and light color, often red and black.

The term checkerboard is also used to denote any rectangular square-tiled board. In this sense it refers not to a physical board as such but to the mathematical abstraction of such a board. The adjective checkered may refer to a pattern resembling a checkerboard, as in the checkered flag used to welcome the winning cars in a Formula One race, for instance.

An 8×8 board is also used for some other board games, although not necessarily a board with an alternating pattern:

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