Big Eye liberties example 2
A capturing race with a 5 spaces big eye.
An internal eye of five points is worth eight liberties in a semeai. However, in a five-point big eye which is dead, Black has already got a stone in it, so this reduces the actual liberties to 7.
It may look as if White cannot win since Black has seven outside liberties, but the five-point big eye gives White seven liberties as well. So if White has sente...