: ( 44)
Black cannot threaten White's group below with this move.
:
White connects her stones, and occupies an important liberty of Black's group in the top right.
:
Black now follows the further course of our solution.
: (75 128)
If Black immediately plays at , thereafter playing the hiki of instead of the usual connection at (after his move at ), he has the option of a ko later, but which he will lose.
: (A 130)
Black's group in the top right has already lost an additional liberty at . It might be tempting to start a semeai with White's group at the bottom, for example with a move at . Indeed, White will win this semeai, but not the game.
:
Black has completed the nakade-shape on the left side. However, because he has lost a liberty of his group in the top right (), White will be able to choose the Punishment Semeai, winning the game.