Event: ECC Online RapidPlay Results 30/10/20

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Opponent Rating Result
Darrell Lindsay 1367 0 - 1
Barbara Farrar 1120 0 - 1
Jason Cruz 1202 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1096 = (3689 + 400 * (1 - 2)) / 3)

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