Bingowings said:

Sorry I should have said relies on rather than trusting.

His 'improvisation' hinges on Artoo being up on that barge balcony and is made more convenient by all the other characters being where they are.

If that didn't happen The Empire would have won the war.

See bonkers insane luck all round.

You might as well said invisible wizards did it.

You don't think luck plays any part in...

- ANH - garbage masher sequence.

- ESB - Luke just happening to fall out the bottom of Bespin so Leia could rescue him?