雙伯攻城
31 手
双伯攻城 — "Two Earls Storm the City" Problem 32 of 百局象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39644.html
31 手
双伯攻城 — "Two Earls Storm the City" Problem 32 of 百局象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39644.html