Event: Norfolk County Chess Championships- Challengers

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Opponent Rating Result
Henry Morgan 1405 0 - 1
Heather Enid Walker 1261 1 - 0
Junaid Ahmed 0 1 - 0
Larysa Klepikovska 1496 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1041 = (4162 + 400 * (2 - 2)) / 4)

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