雙騎衛營
13 手
双骑卫营 — "Two Riders Guard the Camp" Problem 30 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42747.html
13 手
双骑卫营 — "Two Riders Guard the Camp" Problem 30 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42747.html