Event: OTB Club Challenge Standard

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Opponent Rating Result
Jean L Mara 1098 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1498 = (1098 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Jean L Mara 1090 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1490 = (1090 + 400 * (1 - 0)) / 1)