Bulky-4 health check

Here's a bulky-4 group in the centre. It's dead.








 
White could start in any corner, but then Black plays in the opposite corner, and there's nowhere to make a nose.








 
If Black needs to capture the group, he just starts filling in the eye. White might as well play elsewhere. After , White can capture the three black stones, but ...










 
... then Black just plays back in, and White is left with nowhere to make a nose.








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UK Go Challenge home 1 November 2003