Event: NCCA League Division 3

Opponent Rating Result
Keith Bradley 1618 0 - 1
Rupert E Guinness 1644 0 - 1
Matthew R Perry 1718 0 - 1
Phil Sneesby 1577 0 - 1
Rupert E Guinness 1642 1 - 0
David L Jones 1508 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1351 = (9707 + 400 * (1 - 5)) / 6)

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