Event: Folkestone Club Championship

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Opponent Rating Result
Harrison Pitchford 1371 ½ - ½
Robert Twigg 1433 1 - 0
John B Atherton 1951 0 - 1
James PW Smith 1404 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1440 = (6159 + 400 * (1 - 2)) / 4)

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