Event: SCCA Division 3 19/20

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Opponent Rating Result
Amy John 105 1 - 0
Mario Saenz de Villaverde 94 0 - 1
Henry May 79 ½ - ½
Alan Story 74 ½ - ½
Lee R Osmon 82 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

7 = (434 + 400 * (1 - 2)) / 5)

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