Large avalanche
Moves
and
begin the avalanche joseki, and when Black continues with
and
we get the large avalanche.
To avoid these complications, White can play either a or tenuki with
, or Black can play either a or b with
. See: large avalanche simple variations.
In the large avalanche,
,
, and
are all forced. Next, Black can choose among a, b and c. Here a is the oldest variation, b is newer, and c is most modern, having been introduced by Go Seigen in a 1957 game against Takagawa Kaku. As of 2021, the turn inward at c is the most popular variation while the turn outward at b largely disappeared from 2002-2014ーwhere after it received a slight reinterest from Chinese professionalsーand the cut at d received development from 2005-2007.
See for the follow-ups:
See also:
![[Diagram]](../../diagrams/26/7746b8be9bcc0137aa2dfcdf5ea9836e.png)
![[Diagram]](../../diagrams/16/d2ce31d79efff6ab90fddee7974b6ead.png)
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