Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Sharvari Saharkar 1473 0 - 1
Isaak Leverett 1639 0 - 1
Johnny Danger 1550 1 - 0
David P Jones 1356 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1505 = (6018 + 400 * (2 - 2)) / 4)

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