Greetings,
You have my support.
The thing you might have been trying to explain is an Elo rating system. It was successfully used in the Supreme Commander 1x1 ladder.
http://en.wikipedia.org/wiki/Elo_rating_system
K/D would be nice to see. I do not consider something a viable strategy if you die or are hurt so badly that you are not militarily effective.
Yours in Full Military Plasma,
Star*Dagger