Event: Summer League Division 4

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Opponent Rating Result
Mark Kirkham 1483 ½ - ½
Rishab Cammanchery Krishnan 1788 ½ - ½
Oliver West 0 0 - 1
John HT Eddershaw 1421 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1173 = (4692 + 400 * (1 - 1)) / 4)

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