第501局 邊城隔虜
1 手
边城隔虏 — "The Border Town Holds Off the Foe" Problem 501 of 適情雅趣, volume 6 (卷六). The source gives its answer in prose rather than as a line, which is what a draw study usually needs: 「炮兵保和局」 「黑车为红双炮一兵组成的联防拦截于边线,故成巧和。」 Transcribed from http://www.dpxq.com/hldcg/search/view_u_43218…