第491局 凭险自固

《适情雅趣》卷六：八十三局古谱残局

11 手

凭险自固 — "Holding Firm by the Terrain" Problem 491 of 適情雅趣, volume 6 (卷六). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43208.html