Implement ELO for rankings

michaeljacobdavis / foos-bot

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Implement ELO for rankings #15

Open michaeljacobdavis opened 8 years ago

michaeljacobdavis commented 8 years ago

Rather than the current ranking system, I propose we use something like https://en.wikipedia.org/wiki/Elo_rating_system that takes into account strength of opponents.

Downsides I can see:

Doesn't take into account peoples strengths and weaknesses when pairing (two good defensive players that are bad on offense).
Still might encourage people to play easier matches, but I think it would be better than it is currently.

Opinions? /cc @clogston

clogston commented 8 years ago

Elo or glicko-2 are what we have available to us. Neither solves for mixed teams. :( Could try to base ratings changes by comparing averages of each team? Haven't thought it through. Definitely worth a shot regardless.