Event: City Chess Swiss 2016-17

Opponent Rating Result
Martin C Page 0 1 - 0
David J Wilson 0 0 - 1
Brandon Kwan 0 0 - 1
Bertrand A Barlow 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-100 = (0 + 400 * (1 - 2)) / 4)

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