(added by unkx80)
Black has to fight the ko: he has too few outside liberties.
dnerra: is the mistake, see diagram "No ko (cont.)" below.
(added by Dieter)
One of Dieter's variations.
(added by BillSpight)
a and b are miai. (added by BillSpight)
Sub-pages (up)Solution
Referenced byOD1PAug24Problem