第493局 控马避敌
1 手
控马避敌 — "Reining the Horse to Avoid the Foe" Problem 493 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: 「马保和局」 「马兵双相连环防御，黑车无法攻破，故成和局。」 Transcribed from http://www.dpxq.com/hldcg/search/view_u_43210.ht…