Gokyo Shumyo, Section 1, Problem 87 / Hint
![[Diagram]](../../diagrams/45/5398baff209d0b4d3dc636f2eac3da3f.png)
Black to live
The marked Black stone obviously provides aji. Black must try to capture the marked White stones, keeping in mind that a White play at a threatens to either cut off the main part of Black's group OR to save the two White stones. The main line involves a snap back.