I know that team games do not effect rankings, I assume they also do not change win/loss record and H rating?
On the Rankings page, Team games are not included at all.
On Profile>Player Stats page, Team games have their own separate tab.
No H-Rating for Team games.
"But many who are first will be last, and many who are last will be first." Matthew 19:30 - Good strategy for life and WarGear!