Chinese checkers is a game roughly analogous to checkers played on a board in the shape of a centered hexagram.
The board has a total of 
holes, where 
is a star number.
Chinese Checkers
See also
Board, Checkers, Xiangqi, Star NumberExplore with Wolfram|Alpha
References
Masters Games. "The Rules of Chinese Checkers." http://www.mastersgames.com/rules/chinese-checkers-rules.htm.Referenced on Wolfram|Alpha
Chinese CheckersCite this as:
Weisstein, Eric W. "Chinese Checkers." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ChineseCheckers.html