OD1P - May 23 Problem / Solution
This might work
![[Diagram]](../../diagrams/19/4c89dc8a4a52853d3a8ed985ae1ad9a2.png)
Black lives, I hope...
Black lives.
Failure 1 (Dead)
![[Diagram]](../../diagrams/49/79c8d87a0e0c64d181c545384b082ebf.png)
Failure 1 (Dead)
Black dies.
Failure 2 (Ko - Black can do better)
![[Diagram]](../../diagrams/30/3fe3f62bba58c4c7bf35a28c90fdb503.png)
Failure 2 (Ko)
takes at
. Next:
![[Diagram]](../../diagrams/13/89ed12a01884bb558955a176a3e10b13.png)
Failure 2 (continued)
takes back, and after
and
a ko fight ensues. Black can do better than that.
![[Diagram]](../../diagrams/33/605fa56133c75b38ec42cfd3b2d66f8d.png)
How about?
takes at
,
at 2.
Bill: The writer was under the misapprehension that
could be played at 2. The corrected sequence shows that Black dies.
![[Diagram]](../../diagrams/40/db05b5991a41afd313ecdc3f96969676.png)
Or? (4 at 2, 7 at
)
![[Diagram]](../../diagrams/13/e5eb338a953cbcf977497a8b17b47c94.png)
Or? (Corrected.)
fills at
.
Bill: Through
Black lives, but
is an error.
Attempt 3
![[Diagram]](../../diagrams/31/96358f335d201b00d5a5c347c38642ca.png)
Atari
Bill:
looks OK.
Then
-
is sente.
In a real game, I think that the ko (Failure 2) is often better than giving up so much for small life. :-)
![[Diagram]](../../diagrams/40/0800e09621fb62a07c9139b731f25862.png)
Double ko
Here is a variation I like. Black is alive in double ko.
was a real blind spot for me. I had then expected
here, and Black still lives.
![[Diagram]](../../diagrams/44/09eb87548b202a83bc6c0188aae37a77.png)
Solution 3