Event: Division 5

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Opponent Rating Result
Nigel Gardner 70 0 - 1
Simon Haas 70 1 - 0
Stuart IE Green 74 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-62 = (214 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Edward P Day 48 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-352 = (48 + 400 * (0 - 1)) / 1)