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1001 Problems Erratum 4
    Keywords: Problem

Page 145, problem 581, problem diagram

[Diagram]
2

Black to live


Page 146, problem 581, solution diagram

[Diagram]
2

Throwing in a stone with 1 is a tesuji to reduce White's liberties. Black captures three stones after 3.


[Diagram]
3

Skelley: I think White can make a seki by connecting at 2 after Black 1; the sequence up to 6 results in a seki. Unfortunately we don't know what will happen if Black cuts at x since there is no information on the board position. If the rest of the board is empty I am assuming that White can escape with those three stones there...


Andre Engels: Since the claim is that black lives, not that black has two eyes, I don't see why this would be an error in the book.

Skelley: If white can make the seki she saves a whole bunch of stones and prevents black from making any territory in the corner. To me that seem like a much better way to play for white.



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