Double snapback
A double snapback is a simultaneous snapback on either one of two disconnected chains, as illustrated by these examples.
A problem from Weiqi Rapid Drill 800 Problems that involves double snapback. Black to play.
/attempts0
/solution0?
tderz: From WeiQi the predecessor of WeiQi TianDi, 1980, Nr. 5, p.25 and, of course, some other famous sources...
In all problems Black has sente.
/attempts3
/solution3?
Hint: (besides page title) the order is important!
But again that's usual in Go.
Try this problem: