價格：免費
更新日期：2017-06-15
檔案大小：59.9 MB
目前版本：1.0.3
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
The most complete collection of mathematical chess problems. Try to solve problems such as "8 queens" and "knight's tour". Some new interesting variations are also included. The full edition offers a total of 22 problems.
支援平台：iPhone, iPad