Event: Mini League

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Opponent Rating Result
Frank T Sheldrick 1678 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1278 = (1678 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Jim R Postill 1416 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1816 = (1416 + 400 * (1 - 0)) / 1)