双龙二士
34 手
双龙二士 — "Two Dragons, Two Guards" Problem 33 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42750.html
34 手
双龙二士 — "Two Dragons, Two Guards" Problem 33 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42750.html