About Ko in a Semeai Between
Two One-Eyed Groups (2012)
[ Second Ko-Shape for White &
Larger Eye for Black ]
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However, the matter will change fundamentally if there is a larger eye for Black. Capturing what is inside this larger eye will give Black breathing space. Again, we start the discussion with the case EX = 1. |
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The additional ko did not help White. Again, if all other conditions are the same, Black wins, if he has one more ko-threat than White does. t = 1. |
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///: EX = 2 |
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Again, the larger eye for Black compensates for the effect of the additional outside ko for White. |
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Black cannot answer This seems to give the same result as with EX = 0, but two |

230
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, Black takes the two White stones inside his eye.
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+
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) - 1 ko-threats more than White, including the internal one.
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, 
