jhubert: In the example I get, playing at O6 captures 3 stones and there is no semeai (but white is dead is still correct).
TwT: Dear Jérôme,
Thank you for your input. I recall Joscka mentioning that there are some fragile aspects in the files of that collection. Unfortunately, he has a lot on his plate and cannot address these issues easily at the moment.
Merci