or spiral ladder (The Go Player's Almanac)
implies "capturing an enemy chain using the following combination of techniques:
during this chasing process the enemy chain typically gets heavy in the process." (quoted from gobase.org)
This example for guru-guru mawashi http://gobase.org/online/intergo/?query=%22guru%20guru%20mawashi%22
occurs (similar) as an "A"-level problem in SegoeTesujiDictionary.