I ain't going to go off as though I know all about the quantum physics stuff and I don't want a debate, do Quarks move like photons or neutrons (in game)?
Btw, Loving the new neutron behavior! although I would suggest making it completely random instead of just moving one element back.
Quarks would behave as erratically as possible, eg. disappearing and re-appearing in random places, speeding up, slowing down. They'd be like a particle with Tourettes.