# RTG Problem 12 / Solution

Sub-page of RTGProblem12

### Solution

The status of the Black group is that the group is already dead.

### Main line

Main line

The main line is the descent at , which looks like it can live with a straight four. But with the correct sequence from to , Black is caught with a shortage of liberties, and is unable to play at a.

Variation

If , then occupies the vital point. Later, if Black plays at a, then White can play elsewhere.

Variation

If here, then plays at the same point.

### Other lines

Variation

tries to make a ko, but the placement at followed by the descent at is a standard tesuji.

Variation

The hane at is interesting. If is played wrongly, it can lead to a favorable approach ko. With the correct move, Black dies.

Mistake

is a careless move, which gives a chance to live by an approach ko.

Variation

makes an eye in the corner, but destroys the eye on the edge.

Variation

Playing at the 1-2 point does not work here, makes and miai for the kill.

RTG Problem 12 / Solution last edited by BillSpight on January 5, 2005 - 17:02
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