Beginner Exercise 163 / Solution

Solution  

White will start off with the wedge.

Solution  

Black's strongest resistance is at , anything else dies.

Solution  

The end result is a ko.

Variation I  

If , then leaves a and b miai, so there is no eye here.

Variation II  

here and we are transposed to Beginner Exercise 162.

Alternative  

The alternative solution is here.

Alternative  

Again is the only way to live with a ko.