Event: Division 3 East

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Opponent Rating Result
Stephen G Cook 107 1 - 0
Ethan Mount-Jones 110 1 - 0
Jonathan Rossi 108 0 - 1
David Sherborne 88 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

303 = (413 + 400 * (3 - 1)) / 4)

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