Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Johnny Danger 1550 1 - 0
Chris Flynn 1589 1 - 0
Henry Morgan 1405 0 - 1
Colin R Payne 1593 0 - 1
Junaid Ahmed 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1307 = (6137 + 400 * (3 - 2)) / 5)

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