Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Henry Morgan 1405 0 - 1
Johnny Danger 1550 1 - 0
Alan F Page 1744 0 - 1
Isaak Leverett 1639 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1385 = (6338 + 400 * (1 - 3)) / 4)

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