CRC校验码算法，采取矩阵移位算法，网络通讯中经常使用。　-CRC Check Code algorithm, take the matrix transposition algorithm, frequently used in network communications.

Chesley 是一个面向 Unix 平台和 xboard GUI 的象棋算法引擎。实现了很多先进的象棋编程技术例如移动和换位算法。-Chesley is a xboard GUI for Unix platforms and chess algorithm engine. It implements a number of advanced technologies such as mobile chess programming and transposition algorithms.