Beginner Exercise 56 / Solution

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Solution

[Diagram]

Main line

The descent at B1 is key for life. If W2 makes a placement, then B3 and B5 forms a seki. This is the main line. (B5 is necessary as shown later.)

[Diagram]

Life

If W2 plays the hane, then B3 divides the eye space into two eyes very nicely.


Failures

[Diagram]

Failure 1

If Black ommits B5 in the Main Line diagram, W1 kills. Because White at a later will be atari and reduces the eyespace into a three-point nakade shape.

[Diagram]

failure 2

Descent on the wrong side. The points a and b are miai for the kill.

[Diagram]

failure 3

B1 doesn't live. White kills with W2 and W4. Black can capture W2 by playing at circle but this only creates a false eye.

[Diagram]

failure 4

B1 is a greedy move that fails. W2 followed by the throw-in at W4 reduces Black to only one eye.

[Diagram]

Failure 5

B1 is no good either.


See also:



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