Yes but a "mess" is a bit strong especially if he wasn't attempting to meet a Cambridge offer in the first place.(Original post by Muttley79)
It's not good enough to meet a Cambridge offer ... and this year's offer, if made, will be stiff.
Some applicants do get admitted with 1,3 (rarely but it happens although that was a 1,3 in II,III).
But I do agree he'll probably get an S,1 or S,S offer.
... and the ones that won't