: ( 312)
White's solid move in the centre, played in an attempt to simplify the matter, is much too slow here. Neither does it provide White's centre group with an additional liberty, nor takes it a liberty of Black's group in the upper right.
:
Black solidly connects his two partial groups in the upper right, simultaneously occupying a liberty of White' centre group.
:
Black continues with occupying White's liberties. Capturing White's single stone with a move at , instead, would be a mistake, losing a move.
:
Black's group has eight liberties left, so Black cannot occupy another shared liberty, instead.
:
Black wins the semeai by one move, and so the game. White's solid move in the centre was a fatal mistake.