Anti-bulge

   

Anti-bulge is a term coined by Bill Spight for a play that prevents a bulge by taking the apex of the potential bulge formation. The anti-bulge is a combination of a stretch and a peek.

[Diagram]

Anti-bulge

The anti-bulge, W1, is big. If Black plays the bulge White's stones become very weak. Also, W1 threatens the push through at a.

Gresil: I ran into a little idea of another kind that you might also call an anti-bulge:

[Diagram]

Takagawa-Kitani, 14th Honinbo game 2

W2, a pre-emptive peep at a tiger's mouth, undermines black's bulge sequence.


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