Event: Division 2

Opponent Rating Result
James Harrison 1505 0 - 1
Mae C Catabay 1768 0 - 1
Adrian Billingsley 1746 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1273 = (5019 + 400 * (0 - 3)) / 3)

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