Event: Rosser Rapid

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Opponent Rating Result
Michael Mason 1893 1 - 0
Joe Crossley 1507 1 - 0
Malcolm P Kingsley 1805 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2135 = (5205 + 400 * (3 - 0)) / 3)

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