Event: 3rd Cornwall Spring Minor

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Opponent Rating Result
T Klaus Tekniepe 1349 0 - 1
Christine F Constable 1457 0 - 1
Hazel Welch 1241 0 - 1
Daniel Mitchelmore 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

612 = (4047 + 400 * (0 - 4)) / 4)

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