Beginner Exercise 2 / Solution

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Solution

[Diagram]

Solution

B1 kills unconditionally. After B3, White can't play at a because of shortage of liberties.

If White plays at b, Black can later play at a. White can then capture Black's stones, but that leaves her with a three in a row shape.

See also rectangular six in the corner.

[Diagram]

Variation

W2 here makes a shape called bulky five. Black plays B3 and kills.

[Diagram]

Bulky five

The bulky five (marked) is shown. And that shape can be killed by playing on the vital point, marked with square.

So, the Variation diagram above shows a bulky five with two points already occupied by Black, including the vital point. Try to memorize the bulky five shape. It occurs over and over again.


Failure

[Diagram]

Incorrect: ko for life

B1 here is met by W2. After B3, White can start a ko for life by throw-in at W4 - if White wins the ko, she lives by capturing at a. Unconditional kill in the Solution diagram is far better.


See also:



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