Event: Norfolk County Chess Championships

Opponent Rating Result
Jonathan L Collins 1929 0 - 1
Senthil Murugan Palaneappan 1888 0 - 1
Jim McAvoy 1833 1 - 0
David E McLean 1795 0 - 1
Jeff R Dawson 1919 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1633 = (9364 + 400 * (1 - 4)) / 5)

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