Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Sharvari Saharkar 1550 0 - 1
Larysa Klepikovska 1506 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1128 = (3056 + 400 * (0 - 2)) / 2)

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