五子棋是一种两人对弈的纯策略型棋类游戏，是起源于中国古代的传统黑白棋种之一。发展于日本，流行于欧美。容易上手，老少皆宜，而且趣味横生，引人入胜；不仅能增强思维能力，提高智力，而且富含哲理，有助于修身养性。

-Backgammon is a two chess-type board game of pure strategy, is originated in ancient China one of the traditional Othello species. Development in Japan, popular in Europe and America. Easy to use, all ages, and amusing, fascinating　not only enhance the thinking ability, improve intelligence, and rich in philosophy will help self-cultivation.