Event: OTB Club Championship

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Opponent Rating Result
John Cawdery 2000 0 - 1
Paul Read 1314 1 - 0
Jonathan Newby 1572 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1762 = (4886 + 400 * (2 - 1)) / 3)

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