Event: Summer Championship

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Opponent Rating Result
Jonathan Verden 0 1 - 0
Lawrence Bland 0 1 - 0
Geof Atwell 0 1 - 0
Paul Robert Jackson 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

300 = (0 + 400 * (3 - 0)) / 4)

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