Event: South Cheshire Shield

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Opponent Rating Result
Peter Kanalos 1204 0 - 1
James Topp 1357 0 - 1
Ken Elinor 1000 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

787 = (3561 + 400 * (0 - 3)) / 3)

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