This study comes from Xuan Xuan QiJing, a 14th century work, which may be the most copied problem set in go.  Black plays.  The odd nature of the correct move sequence may throw off some stronger players, so that weaker players may actually find the solution faster! Click here to see the solution.
A new problem appears every Monday morning. And for archived problems click here.
– Myron Souris, POTW Editor

via American Go E-Journal http://ift.tt/1nCnqJw