Event: Hutchinson

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Opponent Rating Result
Andrew Walker 103 1 - 0
Robert Pells 0 0 - 1
Stephen Burton 112 0 - 1
Nicholas Waite 95 1 - 0
Nigel Redmond 121
performance = (sum(opponents ratings) + 400(wins-losses)) / games

78 = (310 + 400 * (2 - 2)) / 4)

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