: ( 2022MainLine)
Black connects his single stone in the lower left, at the cost of two Main Semeai Liberties.

However, as we will see soon, this was one too many.

:
White continues with the mutual occupation of opponent's liberties.

:
White captures the nakade for the second time.

:
Black's oki is mandatory.

: ( A 2022f)
Black gives atari at White's group at the left, following the usual course of the solution sequence.

However, it would be advisable for him to connect the hanezeki's tail, instead.

We have reached White's decision point.

Black will be severely punished for having gone too far with the (exemplary) exchange of for .

:
White captures the hanezeki's tail.

:
Black recaptures, as usual.

:
White continues with the occupation of Black's liberties immediately.
This is what we call the "Punishment Semeai".

Playing the "usual" oki at , instead, would lose a decisive tempo, as Black would get at least the move of for free.

...

:
White takes Black's large group in the upper right off the board.

:
Black takes the last valuable point on the board.

White will win the game by 103 points.

2022MainLine