RTG Problem 35 / Solution
![[Diagram]](../../diagrams/22/60385b11a481d6268e0cb442ed9d05a0.png)
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.
![[Diagram]](../../diagrams/34/acd509d4386d6b295b5cc579f44b63aa.png)
Caution
Note that
cannot hope to save the two White stones.
is a good move, and White is killed.
![[Diagram]](../../diagrams/15/fb5515c5f44a4198a69a9c0da3f74e80.png)
Tesuji
cannot Block, because
can cut. After that,
makes a snapback. Now White cannot live. (
at a,
, Wb still lives, of course)
![[Diagram]](../../diagrams/11/ea4be4d85fe7600d815925b311967e81.png)
Not tesuji
and
are tesujis, because
cannot cut directly.
captures all the Black stones.
![[Diagram]](../../diagrams/48/d9384bfc0c097a6e56287b3caca8e5e4.png)
Dangerous
is dangerous.
and
eke out a ko, and the life and death of the entire White group now depends on this huge ko.
![[Diagram]](../../diagrams/10/0a9d4c7697239b67cee7b9b9f4749c72.png)
Dangerous
Similarly,
here is also very dangerous. After
, White can only live by a ko.
![[Diagram]](../../diagrams/11/754228cb27fe76ee47fe28636d1d5524.png)
Failure
forces
, and looks like
is a tesuji that kills?
![[Diagram]](../../diagrams/38/aea02bb1b30b42f1c2daf3fca11f21f7.png)
Failure
If
, then
crawls and connects out.
![[Diagram]](../../diagrams/30/2f79f288f4d039b3826b426fac552c25.png)
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!