: ( 2043a)
Black resists by giving atari from the outside.

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White gives counter-atari.

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Black captures White's pivotal stone.

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White's atari starts the rescue of her stones in the corner.

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Black's atari at White's single stone in the corner is best.

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White connects.

Now, her throw-in at has become a real threat. If Black captures with , White will give atari at .
Black is unable to connect his four stones with a move at , as White would capture with .

:
Black's throw-in aims at reducing White's eye space at the top, following an idea of Joachim Meinhardt.

However, Black can even do without this kikashi, as setting his hopes on a semeai with White's centre group will be in vain.

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Black inserts his kikashi in the hanezeki, ...

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... before giving atari at White's five stones in the upper left.

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White must connect.

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Black defends against White's aforementioned threat at the left edge.

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White continues the endgame with the "usual" hasami-tsuke in the lower left.

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Black connects here.

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A surprising extension by KataGo.

: (A 2043f)
Black is forced to defend passively, choosing another bad-shape move.

Answering by connecting at , instead, would be mistaken, losing one point overall.

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This time, KataGo plays its atari on Black's single stone from the inside.

: (B 2043i)
Black must capture.

Connecting at , instead, would be a grave mistake.

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Capturing Black's nakade erases a potential shortage of liberties in the lower left corner.

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Just another kikashi for spoiling Black's shape.

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KataGo's Wedge in the left centre.

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KataGo's Bad-Shape Move in the left centre.

: (: A 2043j)
Black tries to defend his territory of the lower left corner first.

White's previous move was gote locally, and also basically lost one tempo in the Main Semeai, so Black could benefit in the Semeai Variation by taking profit outside the Main Semeai Area through descending to at the upper edge, instead.

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White's push into Black's potential territory does not lose a tempo in the Main Semeai, as Black will be forced to capture at , before approaching White's left-hand group with in the corner.

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A necessary kikashi.

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White's hane at the upper edge enforces Black's reinforcement at later, before the end of the game.

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Black defends his shape in the left centre with KataGo's Solid Connection.

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The Main Semeai continues.

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Black plays 1/1 reduction.

Capture Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the upper left corner is one point.
• Black's cumulated gain at the top is four points.
• White's cumulated gain in the lower left corner is five points.
• Black destroyed one point of White's territory in the right centre.
• White's cumulated gain in the left centre is one point.

In total, Black gained two points.

Black + 2 => Jigo

Semeai Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the upper left corner is one point.
• Black's cumulated gain at the top is four points.
• White's cumulated gain in the lower left corner is four points.
• Black captured an additional two White stones at the left, so gaining two points.
• White captured an additional Black stone in the right centre, so gaining one point.

In total, gains and losses compensate for each other.

Jigo => Jigo

2043a