Event: D Division Cup

Opponent Rating Result
John Marshall 1150 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1550 = (1150 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Joseph Dodds 1250 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

850 = (1250 + 400 * (0 - 1)) / 1)