Event: Division 3

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Opponent Rating Result
Robert Pells 1675 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1275 = (1675 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Yahya Durani 1348 0 - 1
Billy Lephard 1471 0 - 1
Ken Marsden 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

540 = (2819 + 400 * (0 - 3)) / 3)