61. Purple Swallows Fly in Pairs
Secrets of Strategy, Vol. 2: 176 classical compositions
33 moves
紫燕双飞 — "Purple Swallows Fly in Pairs" Problem 61 of 韬略元机, volume 2 (韬略元机残局谱). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43695.html
Secrets of Strategy, Vol. 2: 176 classical compositions
33 moves
紫燕双飞 — "Purple Swallows Fly in Pairs" Problem 61 of 韬略元机, volume 2 (韬略元机残局谱). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43695.html