OngoingGame2 - Move 174

  Difficulty: Advanced   Keywords: Problem, Ongoing game

In OngoingGame2 an interesting position arose after move 173:

[Diagram]

Ongoing game 2 - position after move 173

W would like to reduce the potential territory B tries to make in the center. How can she accomplish this?


[Diagram]

Ongoing game 2 - move 174 - a nice tesuji

W174 (4 in the diagram) is a nice tesuji. B can not capture the stone. Can you read out why?


Solution


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