Event: Summer League Division 3

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Opponent Rating Result
Craig Chatterton 1560 0 - 1
Luke W Russell 1416 0 - 1
Oliver Gray 1472 0 - 1
Steve Daykin 1312 0 - 1
Peter Locking 0 0 - 1
Steve Daykin 1328 1 - 0
Andrew Nettleship 1562 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1064 = (8650 + 400 * (2 - 5)) / 7)

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