6. Each Guards Its Own Border

Hundred Variations Manual: 67 classical compositions

16 moves

各守封疆 — "Each Guards Its Own Border" Problem 6 of 百变神妙象棋谱, volume 1 (百变象棋谱（全70局）). Transcribed from http://www.dpxq.com/hldcg/search/view_u_277609.html