(Referenced by 222fn)

: ( 222ed)
Black connects his two stones that were in atari.

:
White's hasami-tsuke at the first line in the upper left corner is quite a surprise for Black.

: (113 222ef ; 112 222eg ; 111 222eh ;110 222ei)
Black passively backs away, which is his best option here.

Any other move in the corner would be even worse for him, the more aggressive the worse.

:
White connects her just played stone on the first line.

:
Black still has to defend passively.

:
White lost one tempo in the Main Semeai in the sequence shown above. Therefore, she starts the endgame at the left side "early".

:
Black takes the opportunity to push into White's upper right corner, destroying three points of potential territory there.

:
White connects.

It does not make sense for her to fight a ko after .

:
Black captures White's two stones in the lower left.

:
White starts the reduction of Black's potential territory in the left centre.

:
Sooner or later, Black will have to connect at this point.

Black plays 1/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black's total loss at the upper left edge is five points.
• Black got an additional two points in the upper left corner.
• Black destroyed three points of White's territory in the upper right.
• White captured Black's stone in the lower left corner, so gaining two points.
• Black destroyed an additional point of White's territory in the upper right corner.

In total, Black lost one point.

White + 2 => White + 3

Semeai Variation:

Compared to the superordinate variation ...

• White destroyed three points of Black's territory at the upper left edge.
• Black got an additional two points in the upper left corner.
• Black destroyed three points of White's territory in the upper right.
• White captured Black's stone in the lower left corner, so gaining two points.
• Black captured an additional three White stones in the upper left, so gaining four points.
• White captures an additional three Black stones in the upper right, so gaining five points.

In total, Black lost one point.

Black + 3 => Black + 2