Sacrifice a single stone on the second line
This sacrifice is a side technique, playing an attachment, aiming at sacrificing it in favour of 1, or mostly 2 forcing moves.
is the attachment, and if White accepts the invitation to capture, Black cuts and forces with
and
, getting an influential position towards centre and below.
White can avoid a second forcing move by capturing immediately, but then invites a ko which is difficult to bear.
The outside hane of
denies the sacrifice. Connections at a and b may follow, depending on how lightly the area will be treated.
The following examples see this technique, resistance or avoidance thereof, at work in games.
Sacrifice a Single Stone on the Second Line 1
Sacrifice a Single Stone on the Second Line 2
Sacrifice a Single Stone on the Second Line 3
![[Diagram]](../../diagrams/29/a7e4a81a5797328358c857140a4ba97d.png)
![[Diagram]](../../diagrams/8/a759d5339a5d28c5031ccf05328d0633.png)
![[Diagram]](../../diagrams/35/4eaf6622fceed530ba095e3e100cd02a.png)
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