第31局 紧守虎牢
15 手
紧守虎牢 — "Holding Hulao Pass Fast" Problem 31 of 百变神妙象棋谱, volume 2 (神妙变化象棋谱（全55局）). Transcribed from http://www.dpxq.com/hldcg/search/view_u_287775.html
15 手
紧守虎牢 — "Holding Hulao Pass Fast" Problem 31 of 百变神妙象棋谱, volume 2 (神妙变化象棋谱（全55局）). Transcribed from http://www.dpxq.com/hldcg/search/view_u_287775.html