Event: Division 3

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Opponent Rating Result
David Welsh 1508 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1108 = (1508 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Trevor Wright 1346 1 - 0
Joseph Penhaligan 1200 1 - 0
Emile Kosviner 1249 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1665 = (3795 + 400 * (3 - 0)) / 3)