: ( 649af)
Black plays KataGo's solid connection in the left centre.

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White throws-in in the lower left corner, creating an additional approach-move liberty for her left-hand group.

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Black captures White's single stone at the upper edge.

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White continues with the Main Semeai.

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Black is par with the Punishment Semeai Liberty Level, so he is bound to follow White with the Main Semeai.

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White blocks at the top, defending her territory there.

Please note that this move loses one tempo in the Main Semeai.

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KataGo likes to create an additional point of territory in the left centre for Black, instead of destroying one point of White's territory at the upper edge by pushing at .

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White's block at the upper edge could also be played after White's decision point.

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Black is able to connect.

Black must not play any reduction.

Capture Variation:

Compared to the superordinate variation ...

• White got an additional two points of territory at the top.
• Black got an additional two point of territory in the left centre.
• White did not get any territory there, so losing two points.
• White captured Black's stone in the lower right, so gaining two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• White got an additional two points of territory at the top.
• Black got an additional two point of territory in the left centre.
• White did not get any territory there, so losing two points.
• White captured one Black stone less in the lower right, so losing two points.

In total, Black gained four points.

Jigo => Black + 4