Event: Division B

Opponent Rating Result
Edd Bagley 1626 0 - 1
David Filmer 1474 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1150 = (3100 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
T Ben O'Rourke 1630 1 - 0
T Ben O'Rourke 1630 ½ - ½
Richard Smith 1459 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1840 = (4719 + 400 * (2 - 0)) / 3)