: ( 64) Black must not try too hard, as we mistakenly did earlier.
: This move to the right pre-empts loosing a liberty.
: White forces Black to spend another move in the corner, with . Otherwise, White could capture Black's group above.
: White tries to escape to the left ...
: ... before taking Black's group a decisive liberty.
: Black achieves a seki in the lower right corner. But his large group in the upper right is dead. So, White wins the game.