Return to Double Base

[Antonella]

Originally posted by tzme415
(...)2) R1 on 1B, Fly ball to Right, R1 doesn't tag up, but returns to 1B when ball is caught, but returns to orange portion and just beats throw from F9 to F3 who is on white portion of base - Out or Safe?

In the initial situation I assumed (the underlined is mine) that the runner reach ONLY the orange portion of the bag.

Am I wrong about this?

If not: R1 is out.

A.

P.S. If you ask me 'why' - re-read Mike Rowe's statement about the possibility for an offensive player to use the orange portion of the bag.