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Kanazawa Solution 41
Protecting the side which is weakened by the marked stone.
White can't play 7 at the marked point due to damezumari.
The marked stones turn the hane at 4 into an atari to which white must react, so that Black can take away the second eye with 6.
This White 1 is punished the same way as her mistake in the follow-up to the correct answer (see above).
Enlarging the eyespace at 1 invites Black to play at the VitalPoint 2. 3 and 4 are miai. After 4, White has to prevent the capture and take a liberty at A upon which Black takes away the other eye at B.
Connecting at 1 in this way makes poor EyeShape. Black plays on the VitalPoint of this shape. Even if White continues with 5 at A, Black will be able to AlmostFill her EyeSpace with a FarmersHat.
Connecting at 1 here is symmetric to Failure 4 and is once again countered by playing on the VitalPoint. Addition:
In this symmetric situation, both legs of the White group have no liberties outside of the EyeSpace. Now both a move at A or B will be answered by a move at the point diagonally underneath. White is dead.
Go to Problem 43 This is a copy of the living page "Kanazawa Solution 41" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |