Event: MH Brown Summer League Section 1

Opponent Rating Result
Andrei Ciuravin 2184 0 - 1
John Thackray 1976 1 - 0
Graham Chesters 2013 0 - 1
Derek A Sheppard 1694 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1867 = (7867 + 400 * (1 - 2)) / 4)

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