BQM 462
Fernobob: Playing as white, I was recently faced with the following invasion. I tried
because it looked like an unreasonable invasion, but after moves 1 to 8, it seems to be alive. I've looked around for other moves that might work, but can't find any. I always thought that this was a fairly secure shape and feel that it shouldn't have lived. Is there any way to kill it, or at least end up with a slightly better outcome?
Andy: Not recommended, but if you really have to kill, white play at
seems to do the job.
The shape of the three white stones have a name, or a least a page, at SL...anyone remember what it is called so that we might link the pages ?
Bill:
is on a point of symmetry. Now, as Andy Pierce says, Black cannot live inside. Note that
is necessary to give White another liberty if Black cuts on this side.
![[Diagram]](../../diagrams/44/7ee20282fee5403961d4a60165b26f3c.png)
White wins the semeai
Bill: Note that
and
give White an extra liberty, which enables White to win the semeai. Note also that Black gets something in exchange for losing the invaders.
![[Diagram]](../../diagrams/15/9d7750cb558b189577c5e7a7fc453d27.png)
![[Diagram]](../../diagrams/4/a64fa33aafdbc8610a0fe3b71639e756.png)
![[Diagram]](../../diagrams/22/75110d85e527810e6786d4de838d6376.png)
2024 the Authors,
published under the ![Sensei's Library [Welcome to Sensei's Library!]](../../images/stone-hello.png)