Event: Hutchinson

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Opponent Rating Result
Mahboob Nawaz 99 ½ - ½
Nicholas Waite 95 1 - 0
Stephen Burton 112 1 - 0
Robert Pells 131
performance = (sum(opponents ratings) + 400(wins-losses)) / games

369 = (306 + 400 * (2 - 0)) / 3)

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