Nice to be back (I was so busy with finals!)

Ho that is another posibility! Being the coward he Slytheriningly is he would pick the one he thinks to be weaker! (Obviously not the best idea though)

There's also the idea that Voldemort has simply lost his villanouse touch. You know getting a bit too old for the wand.

AND maybe he's ploting sinister things making his pawns beleive they're putting up a good fight only to pull a fiery apocalypse on them when they least suspect it!