Event: City Chess Swiss 2015-16

Opponent Rating Result
Michael N Jones 0 ½ - ½
Chris Bennett 0 0 - 1
Charles L Proctor 0 0 - 1
David A Tidmarsh 0 1 - 0
James H Aldred 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-80 = (0 + 400 * (1 - 2)) / 5)

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