Variations of Our Solution (IIIa)
No Early Kikashi
VAR
(.2) 
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White's move would lose one tempo in the Main Semeai, in principle. However, it creates an approach-move liberty ( |
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He is able to do so, because White lost one tempo by her previous forcing move Black will lose this ko here, too, so he might simplify the issue by retreating with |
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Connecting the ko with |
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Please note that |
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Joachim found that each side has one ko threat left (
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Black plays 1/3 reductions. Before the end of the game, Black will have to capture at |
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Capture Variation: Compared to the superordinate variation ...
In total, gains and losses compensate for each other. White + 2 => White + 2 |
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Semeai Variation: Compared to the superordinate variation ...
In total, White gained two points. Jigo => White + 2 |

648or
) for her left-hand group, so the total effect is zero.
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in the lower left corner. Contrary to earlier variations of this ko, Black is at eight Main Semeai Liberties now; this is one liberty over par.
with any of these two moves.
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would be too early.
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in the centre, which had been played too early by us, and which compensates for Black's just played ko threat in the lower left.
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) before this move.
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