Event: Autumn Tournament 2022

Opponent Rating Result
George Tagg 1223 0 - 1
Lucy Hopkirk 1299 0 - 1
Ann Tagg 1122 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

815 = (3644 + 400 * (0 - 3)) / 3)

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