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A checkerboard (
American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lan ...
) or chequerboard ( British English; see spelling differences) is a board of
checkered Check (also checker, Brit: chequer) is a pattern of modified stripes consisting of crossed horizontal and vertical lines which form squares. The pattern typically contains two colours where a single checker (that is a single square within the chec ...
pattern on which checkers (also known as English draughts) is played. Most commonly, it consists of 64 squares (8×8) of alternating dark and light color, typically green and buff (official tournaments), black and red (consumer commercial), or black and white (printed diagrams). An 8×8 checkerboard is used to play many other games, including chess, whereby it is known as a
chessboard A chessboard is a used to play chess. It consists of 64 squares, 8 rows by 8 columns, on which the chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern. During play, the bo ...
. Other rectangular square-tiled boards are also often called checkerboards.


Games and puzzles using checkerboards

Martin Gardner featured puzzles based on checkerboards in his November 1962 Mathematical Games column in Scientific American. A square checkerboard with an alternating pattern is used for games including: *
Amazons In Greek mythology, the Amazons (Ancient Greek: Ἀμαζόνες ''Amazónes'', singular Ἀμαζών ''Amazōn'', via Latin ''Amāzon, -ŏnis'') are portrayed in a number of ancient epic poems and legends, such as the Labours of Hercules, ...
* Chapayev * Chess and some of its variants (see
chessboard A chessboard is a used to play chess. It consists of 64 squares, 8 rows by 8 columns, on which the chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern. During play, the bo ...
) * Czech draughts * Draughts, also known as checkers * Fox games * Frisian draughts *
Gounki Gounki is an abstract strategy game Abstract strategy games admit a number of definitions which distinguish these from strategy games in general, mostly involving no or minimal narrative theme, outcomes determined only by player choice (with no ...
* International draughts * Italian draughts * Lines of Action * Pool checkers * Russian checkers The following games require an 8×8 board and are sometimes played on a
chessboard A chessboard is a used to play chess. It consists of 64 squares, 8 rows by 8 columns, on which the chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern. During play, the bo ...
. * Arimaa *
Breakthrough Breakthrough or break through may refer to: Arts Books * ''Break Through'' (book), a 2007 book about environmentalism by Ted Nordhaus and Michael Shellenberger * ''Break Through'' (play), a 2011 episodic play portraying scenes from LGBT life * ...
*
Crossings Crossings may refer to: * ''Crossings'' (Buffy novel), a 2002 original novel based on the U.S. television series ''Buffy the Vampire Slayer'' * Crossings (game), a two-player abstract strategy board game invented by Robert Abbott * ''Crossings'' ...
* Mak-yek * Makruk * Martian Chess


Mathematical description

Given a grid with m rows and n columns, a function f(m,n), \displaystyle = \begin \text & \text\ m \equiv n \pmod 2 \, , \\ \text & \text\ m \not\equiv n \pmod 2\\ \end or, alternatively, \displaystyle = \begin \text & \text\ m + n \text, \\ \text & \text\ m + n \text \\ \end The element (m,n)=(0,0) is black and represents the lower left corner of the board.


Gallery

File:Empty wooden chessboard.jpg, An empty 8×8 checkerboard File:Font Awesome 5 solid chess-board.svg, An empty 8×8 checkerboard diagram File:International draughts.jpg, The opening setup of international draughts, which uses a 10×10 checkerboard File:CheckersStandard.jpg, English draughts tournament standard


See also

*
Chessboard A chessboard is a used to play chess. It consists of 64 squares, 8 rows by 8 columns, on which the chess pieces are placed. It is square in shape and uses two colours of squares, one light and one dark, in a chequered pattern. During play, the bo ...


References

{{wiktionary Draughts Game equipment