White's tenuki
One of the most complex and interesting of tenuki joseki is met when White ignores here.
Black's main choices here are at a, to close off the top side, or at b, which can turn into a play for the left side.
Other plays known in pro games are Black at c or d.
This is the common line in pro practice. After the
stone retains aji. White will extend in the direction of
after
: there is a question of whether to hold back at p, and whether or not to play the White q - Black r exchange first. That in turn depends on the use White intends to make of the play at s, aiming at
from the other direction.
All these possibilities come up in pro games. There is another way to play .
Black can play here: but is certainly too thin to kill White: consider White's plays at the x points. This way of playing was tried recently by Yamashita Keigo.
Black's other main move can set off a joseki-like sequence. With , a hard-to-find tesuji, White can escape confinement.
Black's other main move can set off a joseki-like sequence. With White can escape confinement. This particular line has been played a couple of times by the colourful Seo Neung-uk.