背水交锋
28 手
背水交锋 — "Crossing Swords with the River Behind" Problem 107 of 心武残编. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40312.html
28 手
背水交锋 — "Crossing Swords with the River Behind" Problem 107 of 心武残编. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40312.html