第415局 私下三关
17 手
私下三关 — "Slipping Past the Three Passes" Problem 415 of 適情雅趣, volume 5 (卷五). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43132.html
17 手
私下三关 — "Slipping Past the Three Passes" Problem 415 of 適情雅趣, volume 5 (卷五). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43132.html