017上陵下替

《韜略元機》殘局譜:一百七十六局古譜殘局

41 手

上陵下替 — "Those Above Encroach, Those Below Decline" Problem 17 of 韬略元机, volume 2 (韬略元机残局谱). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43651.html