Beginner Exercise 119 / Solution

Part 1: correct answer.  

Part 1: white should reply to by playing . If is played at , then white responds at a.

Part 1: wrong answer.  

The move at is very careless. After and , the two marked white stones are captured in a connect and die.

Part 2: failure  

Part 2: When black plays at , this is a mistake. This is exactly the same as the wrong answer diagram above except with the order of moves changed.

Part 2: correct answer.  

is the correct answer, ensuring that all white stones are safe.