Event: Mini League

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Opponent Rating Result
N Mukelabai 96 0 - 1
Barry Fulthorpe 78 0 - 1
Richard Hersey 132 0 - 1
John Grasham 129 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-291 = (435 + 400 * (0 - 4)) / 4)

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