Event: Division 3

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Opponent Rating Result
David C Anderson 1299 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

899 = (1299 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Dominic Campion 1213 1 - 0
Graham Ellis 1768 ½ - ½
Joshua Seal 1386 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1456 = (4367 + 400 * (1 - 1)) / 3)