Go-Glicko2

A Go implementation of Glicko2 rating system

Installation

go get -u github.com/zelenin/go-glicko2

Usage

package main

import (
    "fmt"
    "github.com/zelenin/go-glicko2"
)

func main() {
    player1 := glicko.NewPlayer(glicko.NewRating(1500, 200, 0.06))
    player2 := glicko.NewPlayer(glicko.NewRating(1400, 30, 0.06))
    player3 := glicko.NewPlayer(glicko.NewRating(1550, 100, 0.06))
    player4 := glicko.NewPlayer(glicko.NewRating(1700, 300, 0.06))

    period := glicko.NewRatingPeriod()

    period.AddMatch(player1, player2, glicko.MATCH_RESULT_WIN)
    period.AddMatch(player1, player3, glicko.MATCH_RESULT_LOSS)
    period.AddMatch(player1, player4, glicko.MATCH_RESULT_LOSS)

    period.Calculate()

    fmt.Printf("Player #1 rating: %0.2f\n", player1.Rating().R())
    fmt.Printf("Player #2 rating: %0.2f\n", player2.Rating().R())
    fmt.Printf("Player #3 rating: %0.2f\n", player3.Rating().R())
    fmt.Printf("Player #4 rating: %0.2f\n", player4.Rating().R())
}

Author

Aleksandr Zelenin, e-mail: aleksandr@zelenin.me