Sake bottle shape

  Difficulty: Intermediate   Keywords: Shape, Go term, Proverb

Chinese: 猴子脸 huzǐ liǎn
Japanese 1: トックリ形 (tokkuri-gata)
Japanese 2: 犬の顔 (inu no kao)
Korean: -

The sake bottle shape  

B1 makes the sake bottle shape, a knight's move from two stones one space apart. Also known as inu no kao (dogface) from the shape upside down (White stones in the diagram).

If B1 does not point to the center, or other stones are in contact with these three, then the shape is not the sake bottle shape.

One proverb claims "the sake bottle shape is overconcentrated" [1]. Indeed, there are many cases where b would be better shape, or the jump one space further to a (horse head) would be preferable. However, it remains a flexible shape seen in pro games. See sake bottle shape, textbook example for more discussion.

However, modern top bots do not seem to shy away from this shape.

See also


[1] トックリ形はコリ形なり (tokkuri-gata wa korigatachi nari)

Sake bottle shape last edited by hnishy on June 29, 2024 - 00:58
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