Event: 6600 max Rapid-play

Opponent Rating Result
Shane Cooksey 1497 0 - 1
Joe Walker 1350 1 - 0
Sean Doherty 1503 0 - 1
Shane Cooksey 1497 0 - 1
Joe Walker 1350 1 - 0
Sean Doherty 1503 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1317 = (8700 + 400 * (2 - 4)) / 6)

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