4-5 point 4-3 approach ogeima, tenuki

  Difficulty: Advanced   Keywords: Joseki
4-5 point 4-3 approach, ogeima, jump 4-5 point 4-3 approach, ogeima, main line
[Diagram]

White's tenuki

For White to ignore Black's cover black+circle is actually recommended in Ishida's Joseki Dictionary. There is a celebrated complex joseki (possible unexplored joseki) if White tries the ordinary-looking play at a.

[Diagram]

Black's moves

Here Black at a might be the normal play, while Black at b is known (White can then live quickly at c), so that would be a matter of direction of play, if Black favours the upper side.

[Diagram]

Black's move at 'a'

If B1, W2 is a 'book' piece of shape, making miai of b and c.

Alex Weldon: This diagram was messed up. I fixed it, but couldn't tell whether c was meant to be here, or one line to the right. It looks to me that Black can separate White if it's one line to the right, so I think this is where it was intended? Correct me if I'm wrong...

[Diagram]

Continuation

This is from Takemiya Masaki-Yuki Satoshi (B) 1995-10-26, colours reversed: Black 11 at a, White 12 at b. White has no trouble making life, but concedes a big wall.

Charles Matthews

[Diagram]

Extra tenuki

In this game, we see Takao Shinji play tenuki not only against white+circle (the two white moves were played in reverse order in this game), but also against W2. After W10, white (Morita Michihiro) is very thick in this corner, but has spent three moves to do so. - Andre Engels


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