Double snapback

Double snapback  

The following gives another type of snapback^[1]

 

One might use the terms crossed or parallel to distinguish between these two sorts of double snapbacks.^[2]

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.

Problem 1  

/ Attempts1
/ Solution1?

Problem 2  

/ Attempts 2
/ Solution 2?

Problem 3  

/ Attempts 3
/ Solution 3?

Problem 4  

/ Attempts 4
/ Solution 4

See also: Xuanxuan Qijing Problem 198

Malcolm: Here's another - I don't know where it comes from.

Problem 5  

/ Attempts 5?
/ Solution 5

f3etoiles: It comes from Xuanxuan Qijing. Here is a personal improvement (beware of the order of moves)

Problem 6 (Black to play and live)  

/ Attempts 6
/ Solution 6