chessman polgnomial棋子多项式
red chessman红棋
forfeiting chessman失子
moving chessman走棋
chessman stonemil棋子石磨
chessman-check problem子
chessman-chessmen棋子
forfeit a chessman失子
red chessman moving first红子先走
N（名词） any of the eight pieces and eight pawns used by each player in a game of chess 国际象棋棋子