Ghost

Board Simulator Calculator Your rating How it works

Board / Calculator

Handicap calculator

What is a fair race between two players?

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Reading the scale

What a rating gap buys you, per game.

Ghost fits a Bradley-Terry model to game-level results by maximum likelihood. Games lose weight on a three-year half-life, so recent play drives a rating while old play fades without ever fully expiring. How it works.

Ratings only compare players connected by a chain of matches. Circuits that rarely meet are ranked against each other on thin evidence.

Independent of FargoRate and not affiliated with them. Results sourced from CueScore.