3-4 point high approach, diagonal

    Keywords: Joseki
[Diagram]

Not joseki

After the high approach white+circle, B1 is unusual in professional play but playable (according to KataGo).

The situation is identical to a 3-4 point low approach kick

B3 can also be played at a or b, White will play an extension at W4 or play elsewhere.

[Diagram]

Known result

This is a known result with GoBase showing 35 hits for this pattern. Comparing this diagram to the original diagram at the top of the page, we see that Black has played an additional stone at black+circle and the Black stone is at the location marked by a square rather than at a.


Discussion of keima and cut

[Diagram]

Cut

If black+circle, thenhe natural cut through the keima is a severe potential for Black.

[Diagram]

How white should play

[Diagram]

How white should play, cont'd

Like this, white captures the corner stones.


With a pincer stone

[Diagram]

Making White Heavy

Black can play this way when B1/W2 cause White to be heavy in this area.

White is however unlikely to oblige with W2.

See also 3-4 Point Low Approach Two Space Low Pincer Tenuki #diag8


This is a copy of the living page "3-4 point high approach, diagonal" at Sensei's Library.
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