PS - If you guys want to know how to combine platoon splits of opposing players correctly, here's a good jumping off point:
http://www.insidethebook.com/ee/index.php/site/comments/the_odds_ratio_method/
You can take the worked example as your working method and basically trust it. The conversation below the main post is good as always.
Or you can setup a complete Bayesian network and really start having some nerd fun. In R, this might help: http://cran.r-project.org/web/packages/gRain/index.html