Gokyo Shumyo, Section 1, Problem 47 / Solution
![[Diagram]](../../diagrams/5/8abf55f1a73c7ba92a6a244c4b6d69bf.png)
Under the stones
Black sacrifices two stones, hoping to destroy the eye by giving atari with
at
.
![[Diagram]](../../diagrams/40/f2e66f307aadde7e863e03c9e08230d7.png)
Under the stones
White makes the surprising move at
, allowing Black to capture four stones!
![[Diagram]](../../diagrams/0/92f38a2345196b4d19f76b9937cb3c7e.png)
Under the stones
In the space created by the four captured stones, White can recapture two stones.
Pitfalls
![[Diagram]](../../diagrams/19/aa0a3c40f484c558587268fcf6484a11.png)
Pitfall 1
Obviously, White mustn't answer
at
here.
![[Diagram]](../../diagrams/44/e6e13cd49fca107a44cca42f2c232bbc.png)
Pitfall 2
If White hastily answers the atari by (temporarily) saving her stones with
,
kills.
![[Diagram]](../../diagrams/0/1b8f98abf22f05624798d420c2bb9ae0.png)
No Under the stones
If White fails to make the four-stone sacrifice, and connects at
here, then
takes three stones, and there is not enough room to play "underneath".
![[Diagram]](../../diagrams/25/df95498669d9a7710ab31ed6781b88e4.png)
Failure
makes one eye in the corner.
makes miai of a and b to take away the other eye.
![[Diagram]](../../diagrams/7/f8890cfa32534709fcb2b6531b336744.png)
Inferior for Black
here would allow White to live in ko.
Go to Problem 48
Back to the series