Event: Summer League Division 2

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Opponent Rating Result
Paul Davies 1601 1 - 0
Brian Crofts 1598 1 - 0
Mick McManus 1614 ½ - ½
Kevin Guo 0 0 - 1
Peter J Hoare 1650 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1453 = (6463 + 400 * (3 - 1)) / 5)

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