Event: 1st Cornwall Autumn U1550 2022

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Opponent Rating Result
Radha Baan 1112 0 - 1
George Littlejohn 0 1 - 0
Hazel Welch 1269 0 - 1
Maria Evdokimova 1532 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

778 = (3913 + 400 * (1 - 3)) / 4)

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