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BlackSheepRengo2003

 

BSR2003 Lower Left
    Keywords: EndGame

[Diagram]
White moves first

W5 is gote. Black: 37 points, White 19. Score: +18


[Diagram]
Black moves first

B5 is gote. B7 and W8 are added to finish encircling.

Black : 43 (taking into account the captured stone). White 11. The score is +32.

Local score is +25. The value of the move is 7.


[Diagram]
Black moves first. Variation b.

Black: 42. White 8. Score: +34. This variation is 2 points worse for White.


[Diagram]
Black moves first. White tenuki.

Black 45. White 6. The score +39.

The value of white's tenuki is -3.5.


[Diagram]
White moves first. Black tenuki.

Black: 35. White: 19. The score: +16. The value of Black's tenuki is -1. If White cannot find a way to explore the aji, of course.



Lucky I want to show a variation no one said anything about. I didn't reach a final conclusion but I think it is very interesting. The cut at a still exists.

[Diagram]
White combination

This W1 and W3 put Black in difficulty.


[Diagram]
First answer

B1 seems too greedy.


[Diagram]
Second answer

This answer is bad shape, shortage of liberties.


[Diagram]
Third answer

This is simpler; but White gains a lot.



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(OC) 2004 the Authors, published under the OpenContent License V1.0.