: ( 58bz)
Black descends to the lower edge for defending his territory in the lower left corner.

:
We will follow the course of the superordinate variation for a while.

:
White continues in the upper left corner.

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Black gives atari at White's two stones in the lower left.

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White captures at the top.

:
Black recaptures.

: (140 58cf)
White connects her two stones in the lower left.

If she pushed in the lower left corner first, Black would benefit by two points in the Semeai Variation.

: ( 145 58cg)
Black captures White's single stone in the upper right, as in the superordinate variation.

Here also, he would benefit by one point in the Semeai Variation, if he defended in the left centre, instead.

:
White's push into Black's lower left corner is decicive.

: (145 58ch)
Black blocks immediately.

He would achieve the same final scores of the game, if he defended in the left centre, instead.

: (144 58ci)
Black connects above, as in the superordinate variation.

Connecting below would not affect the final scores of the game.

:
White attacks Black's lower left corner from the inside, utilising its weak shape.

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Black has to enlarge his eye space.

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White makes sure that Black will have to take her stones off the board.


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White threatens to gain in the left centre.

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Black is forced to take his corner group an own outside liberty.

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White continues with the Main Semeai.

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Black connects at the right.

He would have to occupy this point anyway - sooner or later.

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White starts with the occupation of the outside liberties of Black's corner group.

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Eventually, Black takes White's four stones off the board.

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The Main Semeai continues.

Black plays 2/4 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the upper left corner.
• Black got an additional point of territory in the left centre.
• White's cumulated gain in the lower left corner is one point.
• Black did not capture White's two stones in the lower left, so losing four points.
• Black captured White's stone in the right centre, so gaining two 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 upper left corner.
• Black got an additional point of territory in the left centre.
• White's cumulated gain in the lower left corner is one point.
• Black captured one White stone less at the left, so losing two points.
• White got an additional point of territory in the right centre.

In total, Black lost two points.

Jigo => White + 2