fractic: Black should start with . If White plays she can't save all her stones. After black either captures the three white stones inside or the two at the bottom in a snapback.
Iz?: I am a complete amateur, but why not , forcing , followed by , forcing to live and ending in sente? What is it that I am missing here? .
Bill: Instead of connecting with in the above diagram, Black simply captures three White stones at 5 ( in this diagram). That leaves Black with two eyes, as this diagram shows. :)
Iz: Thank you. I was looking at the problem the wrong way. It is an example of double snapback not just a problem for black to end up in a superior or even position (which he clearly does not).