Event: Bowring King 2010-11

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Opponent Rating Result
Alan Sheppard 0 1 - 0
Robert K Thomas 0 1 - 0
Johan Rydahl 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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