Beginner Exercise 262 / Solution

Solution 1  

This is a simple exercise on finding the space to make an eye. After , a and b are miai, and c and d are also miai, so Black lives.

Solution 2  

Anonymous: a and b are miai. I think this solution is preferable, because there is one less killing threat for white. (See below)

xela: Surely by this logic, at a is even better?

White threats in solution 1  

Anonymous: White has 5 ko threats, each of them threating to kill the entire group.

White threats in solution 2  

Anonymous: Here is only worth 6 points, since it doesn't threaten to kill the group, but merely to capture the three marked stones.