第498局 努力固守
1 手
努力固守 — "Straining to Hold the Line" Problem 498 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: 「红炮保和局」 「红炮不离四路，封住黑方7卒，以兵五平六和兵六平五走闲着，黑无法胜。」 Transcribed from http://www.dpxq.com/hldcg/search/view_u_432…