While A1’s try or tap is in flight, A2 and B2 legally obtain potential rebounding positions. B2’s position has his/her back to A2 and is directly between A2 and the basket. As the unsuccessful try or tap rebounds from the ring:
(a) B2 moves backward and pushes/displaces A2 from his/her legal position; or
(b) A2 “beats” B2, getting his/her head and shoulders past the front of B2’s torso. B2 then moves laterally and pushes/displaces A2.