Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Ian P Morgan 1762 1 - 0
Ian P Morgan 1762 1 - 0
John H Hodgson 2040 1 - 0
John H Hodgson 2040 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2201 = (7604 + 400 * (3 - 0)) / 4)

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