英语语法分析

I am not an chessman?

我不是一颗棋子。

The means of circle statistic is used in chessman recognition.

棋子识别利用了圆统计的识别方法。

Within consecutive 50 rounds, no chessman of each other has been captured, and no pawn moves.

在连续的50个回合内，双方既没有棋子被吃掉，也没有兵被移动过。