To-do list

Add win probability tables, filterable by event difficulty (9/17/20)

Add post-event win probability data to event forecast page (9/17/20)

Update ratings methodology to include a prior for teams with few games (8/18/20)

Connect teams with 3 players in common (7/21/20)

Make ratings archive accessible (7/18/20)

Individualize mixed doubles ratings (7/18/20)

Mixed doubles ratings (7/11/20)

Remove SOS / add recent change to ratings