Event: Division 5

Opponent Rating Result
Adam Fields 84 0 - 1
Kobus Nienaber 84 0 - 1
Paul Clapham 101 0 - 1
David J Barker 102 1 - 0
Lilly I Brown 55 1 - 0
Simon Haas 44 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-55 = (470 + 400 * (2 - 4)) / 6)

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Opponent Rating Result
Paul Shelley 98 1 - 0
Simon Haas 44 0 - 1
Geoffrey FM Cox 79 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

207 = (221 + 400 * (2 - 1)) / 3)