title: How to calculate a new player winning probability with expert level player
body: <p>Let's say I have a online game where users can play each other. I have list of players, all players categorized as experts, average, below average. A new player wants to play this game, and the system choose expert level player against new player. what would be the winning probability of the new player?</p>
  <p>ex: expert player data looks as:
  total games: 45,
  win: 30,
  draw: 10,
  loss: 5</p>
  <p>Is it possible to do probability between new player vs expert player? If yes, what statistics can be considered?</p>
  <p>Thanks in advance</p>