Event: Division 2

Opponent Rating Result
Mike J Hollier 1819 0 - 1
Andrew Collins 1787 0 - 1
Jonathan Fowler 1971 0 - 1
Ben Graff 1759 0 - 1
Muhammed Mehmood 1701 1 - 0
Arnold Peace 1703 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1657 = (10740 + 400 * (2 - 4)) / 6)

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