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Stretch

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33PointInvasion
Connection
Extension
Tsuke
AtariAtari
CarpenterSSquare
Press
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Descent
AnswersToTheHaneD...
HaneTsugi
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Nobi
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  Difficulty: Beginner   Keywords: Tesuji, Tactics, Go term

A Japanese term: ノビ

Nobi is usually translated as "stretch" or "solid extension". A nobi is often a good response to a tsuke or a push.

[Diagram]
Tsuke and nobi

Black 2 in response to the kakari of White 1 is a tsuke. The response of White 3 is a nobi.

-- Morten Pahle


Bill: This particular play is usually called tachi, or standing.

Note the close relationship between nobi and hane. Nobi can be defined as "a play at a point which, if played by the other player, would be considered a hane."

More precisely, assume a White stone has a Black stone at its immediate left, so that Black is threatening next to play on top (hane). If White instead extends solidly to that point on top of his original stone, that is called a nobi. If there are no Black stones attached to the White stone at all then the White move would normally be called a narabi instead. Also, to be called a nobi the newly-extended line must have an empty point ahead of it (if there is a stone there the move would instead be called a butsukari or bump).


See also Iron Pillar, which also involves playing directly adjacent to an existing stone but is not considered nobi. Some usages of the word extend refer to nobi but this usage can be confused with the use of extension to describe fuseki moves such as two-space extension or three space extension. To avoid this confusion, and in preference to the unfamiliar "stretch", many people use solid extension.



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This is a copy of the living page "Nobi" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.