What about this elegant move ()? White can't break in.
Kris: I think there is a move worth one more point - but of course, Black wins in either case.
Lucky: Black can play any of the marked points a-g with the same result. If White captures three stones...
White takes ko and has more threats (see HolIgor sequence). So White connects the ko and Black wins by 6 points. Black has lost a point.
Playing here is the same as connecting at in the initial diagram. White could play , capturing the four black stones. If Black responds with , captures all seven stones.