In All chat just have everyone keep praising him. Tell him, he's got this. He has the popular vote in every state. Have your friends /msg him praise saying he's got this. The other team is a joke, you one shot them all.
Keep this up for the entire race.
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.
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Then at the end. Let the Russians hack his system. HACK him good. You dumb Talon. Hacked hacked.
Nah, for real =. The best way is probably to do damage control (not play badly).
So don't roam without vision. Don't try to 1v1 him. Just play a safe and boring game of farm.
And if you somehow manage to get into a state with items. You should be able to beat him as a team. Certainly not easy though. (recently lost to a 17-x Talon, when we were winning most of the game :(.... ).
You just need to get to the point where you have someone with armor. And a way to peel for your squishies. If he can't get to your squishies, you should be ok. He isn't tanky, so you can kill him. Or just let him run away thats fine. Don't chase him and let him get onto your squishy.
I'm rambling. And I'm just a bad silver. The answer is always the same though. Just have someone with armor. And don't get caught out. The hard part is making sure your entire team can keep up, not lose other fights/objectives, not give up.