# RTG Problem 35 / Solution

Sub-page of RTGProblem35
Solution

The best Black can get is to connect back the two Black stones in sente, leaving the endgame benefit of capturing two White stones at a.

Note that in this diagram, both and are tesuji.

Caution

Note that cannot hope to save the two White stones. is a good move, and White is killed.

Tesuji

cannot Block, because can cut. After that, makes a snapback. Now White cannot live. ( at a, , Wb still lives, of course)

Not tesuji

and are tesujis, because cannot cut directly. captures all the Black stones.

Dangerous

is dangerous. and eke out a ko, and the life and death of the entire White group now depends on this huge ko.

Dangerous

Similarly, here is also very dangerous. After , White can only live by a ko.

Failure

forces , and looks like is a tesuji that kills?

Failure

If , then crawls and connects out.

Failure

But can simply descend. With , Black happily sees the stones coming home. And then squeezes. White has in fact prevented the guest (three Black stones) from leaving!

RTG Problem 35 / Solution last edited by ferdi on October 11, 2005 - 12:35
Partner sites: