Event: Summer League Section 1

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Opponent Rating Result
Giles Dunn 1665 0 - 1
Michael C Hackett 1615 0 - 1
Steve Hughes 1426 0 - 1
David Stothard 1746 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1213 = (6452 + 400 * (0 - 4)) / 4)

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