Double snapback
A double snapback is a when two separate snapbacks are joined up, as in this diagram:
One might use the terms crossed or parallel to distinguish between these two sorts of double snapbacks.[2]
The following is an interesting snapback position, but it doesn't qualify as a double snapback[3]
Solution diagram from a classical problem - in SL as Snapback Problem 41.
Here the two chains are in atari and there is a snapback on the
stone. However this is not a a double snapback as there is only one black stone in atari.
Examples
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.
/ Attempts 5
/ Solution 5
f3etoiles: It comes from Xuanxuan Qijing. Here is a personal improvement (beware of the order of moves)
Links
Notes
[1] This example is from from Denis Feldmann's bestiary.
[2] This is the terminology used by Feldmann.