checker

代码说明：

  英国国际跳棋（英国英语）或跳棋（美国英语、加拿大英语），又称美国跳棋或直棋，是一种棋盘游戏棋。它是在一个8×8方板（共六十四平方）每侧有十二块。棋子的移动和捕获对角。他们可能只前进直到他们到达的板的另一端，当他们加冕，然后可以移动和捕获的向后和向前的。(English draughts (British English) or checkers (American English and Canadian English), also called American checkers or Straight checkers, is a form of the board game draughts. It is played on an 8×8 square board (with sixty-four total squares) with twelve pieces on each side. The pieces move and capture diagonally. They may only move forward until they reach the opposite end of the board, when they are crowned and may thereafter move and capture both backward and forward.)