Recently a wrong (afaik) refutation to a particular trickplay is being circulated in our Go club, so I felt compelled to spread the correct variations I know of. Thanks to Motoki who provided the file in 2010, probably made by an acquainted professional. (I’ve been looking for it for a long time. It turns out I saved it on a DVD back then, when I didn’t own hard disks.)
The trickplay in question starts with White’s atari from below inthe Magic Sword joseki.
The sequence up to White’s nobi 11 is a one-way street.
How should Black play now?
It was easier to make a video of this instead of putting everything in diagrammes. Here it is: