Jump to the main text
August 3, 2009
Black 1 is crucial to win the capturing race with the moves to 7.
Black 1 is crucial. White only gets a one-move-approach-Ko with 2, 4 and 6.
If White 2, Black kills White with 3 to 11.
Black 1 allows White to get a Ko with 2 to 12.
© Hitachi, Ltd. 1994, 2009. All rights reserved.