第538局 独占中原
1 手
独占中原 — "Holding the Central Plain Alone" Problem 538 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: 「红车保和局」 「红车不离中心，黑无法取胜。」 Transcribed from http://www.dpxq.com/hldcg/search/view_u_43255.html