K88 Attacking and Defending Weak Groups, Richard Bozulich

When evaluating a go position, the notion that a weak group

is worth minus 20 points is commonsense among strong players.

Therefore, if you have a weak group, defending it must take priority.

On the other hand, if your own groups are secure but your

opponent has a weak group, attacking it is the path to victory.

This is the basic strategic principle that this book emphasizes.

Its nine chapters cover all the techniques of attacking and

defending weak groups.

Now available. For a description and photo of this book, go to