: ( 2043f)
Black connects at the lower edge.

:
White gives atari at Black's single stone from the inside.

:
Black is forced to answer passively.

He is unable to capture with , instead,
White would first capture his nakade stones with , in order to erase any shortage of liberties for her four stones in the lower left corner. Thereafter, she will capture Black's stones on the lower edge with a move at . Black must not intercept with , as White would capture another four stones with .

:
White captures, of course.

:
White's hane at the upper edge takes profit outside the Main Semeai Area.

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Black returns the favour in the left centre.

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The Main Semeai continues.

:
Black plays 3/3 reductions.

Before the end of the game, he will have to play a protective move at in the upper left corner.

A Black move at is useless.
White would give atari with , and Black would have to connect at anyway.

Capture Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the left centre.
• Black destroyed one point of White's territory in the right centre.
• White did not capture Black's stone in the lower right, so losing two points.
• White's cumulated gain in the lower left is five points.

In total, Black lost one point.

White + 1 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the left centre.
• White captured two Black stones more at the right side, so gaining three points.
• White's cumulated gain in the lower left is one point.
• Black captured three White stones more in the lower left, so gaining four points.

In total, Black gained one point.

Black + 1 => Black + 2

2043f