Endgame Problem 7 / Solution

Sub-page of EndgameProblem7

Solution

[Diagram]
Solution.  

B1 is the tesuji used in this position. The correct moves for both players is W2, B3, W4, and black gains sente again.

[Diagram]
Solution.  

Since ko threats favour black, blocking at W2 is unreasonable.



Failure

[Diagram]
Failure.  

This is a normal endgame move, but it does not gain as much as the solution sequence.

[Diagram]
Failure.  

Black loses points.

[Diagram]
Failure.  

Black loses points too.



[Diagram]
White's play  

White should play W1.Later, a-b is Black's sente. Compared to the solution diagram, White makes 4 points. So this is a 4 point reverse sente for her.


See also:


Endgame Problem 7 / Solution last edited by Dieter on June 20, 2023 - 17:07
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