Steps for beating chris:
1. Bring big beatstick
2. Activate 40 movement shenanigans.
3. Say "Oh, did Mulg just dance over half the table right into your caster?"
4. Squish Caster.
Unfortunately, he's like the borg and adapts his force fields to each flavor of heavy missile after each game. I know he's already immune to Strakhov/Spriggan and eDoomy/Mulg, probably immune to everything in Cryx and Legion due to familiarity.
Bonus Guide: How to beat Cody:
1. Open wallet
2. Throw dollar bills at models until they roll really well.
...yeah, I don't have too many legitimate wins against them either.