: ( 222nx)
White connects her five stones in the upper left.

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Black initiates Joachim's Ko Semeai here, following his original intention.

As a matter of course, playing guzumi with , instead, would keep the game countable - White would win by three points - reverting to the alternative subvariation above ( 222ny).

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Black's throw-in creates a false eye for White.

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Black must stop White from getting two eyes for her centre group.

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White's initial peep at the upper edge () makes the difference here. White's move at is sente.

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Black's hane stops White from getting two eyes for her centre group.

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White's throw-in creates an additional approach-move liberty for her.

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Black starts building the ko shape in the centre.

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Black reduces the size of White's eye at the top.

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White gives atari from the left, so solidly connecting her forces.

She would lose a decisive liberty, and so the ko fight, if she cut at , instead, giving atari from the right.

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The mutual occupation of opponent's outside liberties starts.

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Black starts with occupying shared liberties.

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White connects one of her false eyes.

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Black's group has only eight liberties left, so he connects the hanezeki's tail.

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White's oki is mandatory.

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White closes her second false eye in the centre.

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Black erases White's potential ko threats in the upper right that started with the throw-in of .

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White eliminates Black's ko threat of the atari at in the upper right.

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White starts the ko fight at the right "late".

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Black's atari in the hanezeki is the only - and last - valid ko threat on the board.

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Black recaptures the ko.

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White captures the ko in the centre.

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Black occupies another shared liberty.

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White recaptures the ko at right.

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A Black move at would be self-atari, so there is nothing else Black can do but to recapture the ko in the centre.

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White simply connects the ko at right.

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Black's atari comes too one move too late.

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White recaptures the ko in the centre, and will take Black's large group off the board with her next move at .

White will win the game by a large margin.