Event: Division 3 Rapidplay

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Opponent Rating Result
James Fall 0 0 - 1
George Fall 0 1 - 0
Marilyn Fall 0 1 - 0
Sam Hood 0 0 - 1
Iosif Kalina 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

80 = (0 + 400 * (3 - 2)) / 5)

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