///:

When White's main group () has six stones, White can profit if Black's external hane-group - i.e. the "hanezeki's tail" - consists of at least nine (= 6 + 3 ) stones.

:
White captures nine stones with .

:
Black wins the semeai.

Black:
11 prisoners + 8 points of territory () = 19 points.

White:
13 prisoners + 7 points of territory () = 20 points.

Result:
White + 1.

///:

:
If White is ready to accept gote, she might choose the alternate move here, to gain one additional point.

Black:
4 + 7 () prisoners + 7 points of territory () = 18 points.

White:
13 prisoners + 7 points of territory () = 20 points.

Result:
White + 2.