Life In 19x19

I've just started to play go recently ...

The question is the same: Is this tsumego really flawed or am I missing something?

I think it's more likely to be the later, than Cho Chikin 9 dan pro made a mistake.

Good point, but the pdf files I'm using were generated from Cho problems and went ...

HermanHiddema: Thank you! It really works

Hi All,

I've just started to play go recently and I've started to go through Cho Chikun's Elementary Encyclopedia of Life and Death but I've found some problems which doesn't look solvable.
Any help would be appreciated.

Supposedly all of them should be solved by black playing first, but Problem ...