: ( 550)
Black uses his last chance to secure a decisive amount of points in the top left corner.
:
However, Black loses one liberty in the semeai.
:
Black's top right group suffers from the drawback of having only seven liberties left, at this very moment. White uses the Punishment Semeai, which will be shown here, and will win.
:
Now, White does not play oki in the lower right, but instead immediately takes liberties of Black's top right group.
:
White wins the semeai by one move, and so wins the game.