Event: Online Division 2

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

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

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Opponent Rating Result
B Robin Nayman 0 0 - 1
Matthew Ryan 0 0 - 1
Alex Brims 0 0 - 1
Tim Skidmore 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-200 = (0 + 400 * (1 - 3)) / 4)