http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách là phụ bản của Tạp chí Người chơi cờ, hướng dẫn những hiểu biết căn bản về chơi cờ vua như luật chơi cờ, các nguyên tắ ra quân, những kỹ năng tiến hành ván cờ