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Aji keshi
Path: ForcingAndInitiative   · Prev: ThankYouMove   · Next: KoThreat
Path: Mistake   · Prev:   · Next: Amarigatachi

    Keywords: Go term

[Diagram]
Aji keshi

Aji keshi is a move that unnecessarily removes one's own good aji in the opponent's position. As an example, the exchange of B1 for W2 in this diagram is a bad move. By playing this way, Black loses the chance later, when there might have appeared a black stone at a, to peep at W2, followed by White at W1, and Black b. This loss of potential is much more important than the meager one point of territory that Black gains.



Charles Matthews I'd like to amplify this.

[Diagram]
A follow-up

You have first to imagine a follow-up play, such as BC. How did it get there? We can't be sure. It could for example be part of a complex fight spilling out from the top right corner.


[Diagram]
Black takes advantage (gote)

This is one sequence that can follow. It is clearly good for Black, locally speaking.


[Diagram]
Black takes advantage (sente)

This is another useful sequence for Black. In this case Black ends in sente. That could be an important difference, in heavy fighting.


[Diagram]
White resists

So there seems to be a reason for White to play W2, looking to get sente by giving up this stone. B3 looks to connect Black up on the outside.


[Diagram]
White resists, sequel

W4 is indicated, to prevent that connection. But this leaves Black two good options: Black a White b with sente; or Black b White a Black c White d Black e for a squeeze and outside influence.



In summary, we have looked at just one black follow-up play round here - leading to at least two interesting variations from Black's perspective. The point I wish to make is that aji doesn't consist of a single sequence you wish to preserve as a future possibility. It is the whole complex of interesting things that might happen locally.


unkx80: I moved the discussion to unkx80GoTermsQuestions.



Path: ForcingAndInitiative   · Prev: ThankYouMove   · Next: KoThreat
Path: Mistake   · Prev:   · Next: Amarigatachi

This is a copy of the living page "Aji keshi" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.