Interference - Double Play

[ASA/NYSSOBLUE]

Here is what I had in a 14U tournament a coupla years back, I was PU, my partner was pretty much a tyro:

ground ball to 2B, who gets possession of the ball just as R1 coming from 1st runs right into her, and maintains contact. My partner hesitates, so I kill the play, call R1 out on the tag, and then get the BR, as I felt R1 prevented 2B from making any additional play after being retired.

And yes, the Off coach was livid....and yes, they lost the game by one run...