Event: Division 1

Opponent Rating Result
Andrew Shephard 1871 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1471 = (1871 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Stuart Ross 1698 1 - 0
Philip S Fallon 2010 0 - 1
Paul McMahon 1838 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1849 = (5546 + 400 * (1 - 1)) / 3)