Keima side connection
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Definition
Here , which is a keima in relation to both the
stones - is a tesuji for safely connecting the two groups. The move is an application of watari and dropping back. It is also known as keima watari.
Another example: the stone connects all the white stones. See /Discussion to see the tactics behind this connection.
Example of application in a game situation
After ,
is normal (Even a moron connects against a peep). But what if black tries to split with
at
?
is a mistake, unless the top side is so valuable to Black as to compensate for the complete loss of the corner. After the sequence up to
, white has connected under with the keima connection.
Don't forget that black can meaningfully cut at C17. If white blocks at C16, black can stand up at C18 and kill the 5 stones --gnostic?
kb: gnostic?: You're missing @
, then
and a are miai for a White connection. See the second example in Dropping Back.