RTG Problem 14 / Solution

Solution  

In this problem, White has to jump down at .

Main line  

seems to be the strongest resistance. But with the exchange of and , is the standard way of killing. After , if Black a, then White b, the stone works perfectly, so there is no problem.

Variation  

If here, then reduces the eyespace and proceeds to kill in the same way above. After , if Black a, then White b.

Variation  

After , Black does not have enough eyespace to live with two eyes. There is no problem with the connection of the stone with the outside stones.

Failure

Failure  

With the hane stone, the descent at no longer works. and is tesuji, so White can only create a ko with and .

Failure  

White only manage to get a ko here.