Event: Norfolk County Chess Championships- Challengers

Opponent Rating Result
Junaid Ahmed 0 1 - 0
Stephen Livermore 1752 0 - 1
David J Payne 1744 ½ - ½
Thomas Ewart 1603 1 - 0
Alan F Page 1744 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1449 = (6843 + 400 * (2 - 1)) / 5)

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