Extract _calc_ratings_trueskill from post_process_trueskill
Extract _calc_ratings_trueskill from post_process_trueskill

em92/quakelive-local-ratings,em92/quakelive-local-ratings,em92/pickup-rating,em92/quakelive-local-ratings,em92/pickup-rating,em92/quakelive-local-ratings,em92/pickup-rating,em92/quakelive-local-ratings