scoringUtils.calculateSessionScores.bind(yetiGuru)# Fetches a few small properties from both sessions, prepares @levelSessionUpdates with the score part
scoringUtils.indexNewScoreArray.bind(yetiGuru)# Creates and returns @newScoresObject, no query
scoringUtils.addMatchToSessionsAndUpdate.bind(yetiGuru)# Adds matches to the session updates and does the writes