Event: Norfolk County Chess Championships- Challengers

Opponent Rating Result
Isaak Leverett 1639 1 - 0
Sharvari Saharkar 1473 1 - 0
Chris Flynn 1589 ½ - ½
Henry Morgan 1405 1 - 0
Colin R Payne 1593 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1780 = (7699 + 400 * (3 - 0)) / 5)

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