沉底二炮
17 手
沉底二炮 — "Two Cannons on the Bottom Rank" Problem 52 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42769.html
17 手
沉底二炮 — "Two Cannons on the Bottom Rank" Problem 52 of 蕉竹斋象棋谱. Transcribed from http://www.dpxq.com/hldcg/search/view_u_42769.html