Event: Online Division 2

Opponent Rating Result
Ian Mitchell 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Geoff Key 0 1 - 0
Peter Harrington 0 ½ - ½
John A Metcalfe 0 1 - 0
W Douglas McLellan 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

300 = (0 + 400 * (3 - 0)) / 4)