Event: Calderdale 30 23/24

Opponent Rating Result
Cobus Daneel 0 0 - 1
Pete Leonard 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
James Norton 0 1 - 0
Dave Colledge 0 0 - 1
Colin Frank 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-133 = (0 + 400 * (1 - 2)) / 3)