Event: Norfolk County Chess Championships- Challengers

Opponent Rating Result
Chris Flynn 1609 0 - 1
Johnny Danger 1552 0 - 1
Sharvari Saharkar 1126 ½ - ½
Peter Stone 1335 0 - 1
David B Elsey 1407 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1086 = (7029 + 400 * (0 - 4)) / 5)

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