170. The Heavenly Horse Crosses the Sky
Secrets of Strategy, Vol. 2: 176 classical compositions
9 moves
天马行空 — "The Heavenly Horse Crosses the Sky" Problem 170 of 韬略元机, volume 2 (韬略元机残局谱). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43804.html