Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Chris Flynn 1589 0 - 1
Isaak Leverett 1639 1 - 0
David C May 1567 0 - 1
Stephen Livermore 1752 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1437 = (6547 + 400 * (1 - 3)) / 4)

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