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StartingPoints
ReferenceSection
About
Referenced by UnusualEnclosures
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4435 enclosure
![[Diagram]](../diagrams/38/dba87ad9bef312a7eb844503e0ac6b7d.png) | Diag.: 4435 enclosure |
The assumption is that this is made from the initial 4-4 point.
![[Diagram]](../diagrams/1/fdd93c7c2e4244bca0c54eaef3a91736.png) | Diag.: reduction sequence |
This is a standard way to reduce a framework based on 4435. The 3/4 exchange may sometimes be omitted.
![[Diagram]](../diagrams/48/1e1aa82b4e18eb7299d75139f804b8ef.png) | Diag.: early endgame sequence |
The 3-3 invasion in this position cannot live, but may be useful in other ways. Sometimes it can function as a probe. Here it gives White a big endgame play at 3. Black needs another move at a to secure the corner, so this should be played in the early endgame, when it ought to be sente.
![[Diagram]](../diagrams/26/f09b3613cb1c32789c9ddd0c312e5df9.png) | Diag.: life |
If Black reacts on the other side to the marked play, White gains life in the corner.
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