Answers
(No. 1)
Elementary level:Answer
Black 1 sacrificing a stone is important.
Black can live by capturing White's four stones in Oiotoshi.
Intermediate level:Answer
After Black1, Black3 is the vital point.
Black5 is also the vital point ,and White can not get
two eyes by any means.
The order of Black1 to 3 is important.
This is a basic and important
pattern that often appears in games.
Intermediate class:Wrong Answer
If Black plays 1 first, White can live by utilizing
the Sente move of 2. Even if Black 5 plays at 10,
White lives by playing at 6.
All Rights Reserved, Copyright (C) 1996, Hitachi,Ltd.