Event: Norfolk County Chess Championships

Opponent Rating Result
Jeff R Dawson 1919 0 - 1
Steve N Moore 1851 ½ - ½
Nigel J Larter 1783 1 - 0
Jonathan L Collins 1929 0 - 1
Michael J Gibbons 1913 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1879 = (9395 + 400 * (2 - 2)) / 5)

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