Event: Division One

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Opponent Rating Result
Julian Hudson 178 1 - 0
Alistair T Morton 122 1 - 0
Gary Senior 191 0 - 1
Adrian M Davies 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

355 = (618 + 400 * (3 - 1)) / 4)

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