鴛鴦二炮
41 手
鸳鸯二炮 — "Two Cannons Paired Like Mandarin Ducks" Problem 60 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39611.html
41 手
鸳鸯二炮 — "Two Cannons Paired Like Mandarin Ducks" Problem 60 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39611.html