第020局 二倒銅旗
30 手
二倒铜旗 — "Toppling the Bronze Banner Twice" Problem 20 of 渊深海阔. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40363.html
30 手
二倒铜旗 — "Toppling the Bronze Banner Twice" Problem 20 of 渊深海阔. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40363.html