4-5 point 4-3 approach keima, contact at 3-5, hanedashi
Black's move here has a long history (it dates back to the eighteenth century). It impresses amateurs, rather than pros.
In reply, the moves up to are only rarely varied, in pro games. Now White decides how to handle the cutting stone
.
Normally is played (the alternative is to play atari first at
). These are the standard plays, with White able to jump out as far as
.
Now both sides try to arrange their shape on the outside, by playing moves against the inner groups.
There are a number of variations, but and
are popular (
at the circled point equally so).
Since threatens Black on the left,
to
are required (White's choice of how to play
clearly determines which side the peep
is, too). On the upper side
is honte but it is also possible to play directly at
.
This is the joseki book continuation, assuming White wants to leave ladder aji on the outside, and that is a good ladder.
In a pro game, naturally, the players adjust the way of playing the later stages of this joseki, according to the needs of the overall position.