Event: League Division One

Opponent Rating Result
Anthony J Green 1935 1 - 0
Ben Graff 1785 1 - 0
Marc Arnau 0 0 - 1
Sophie Clark 1250 1 - 0
Ed H Goodwin 1836 1 - 0
Ben Graff 1785 ½ - ½
John Conway 1613 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1686 = (10204 + 400 * (5 - 1)) / 7)

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