Event: Division 1

Opponent Rating Result
David C Chandler 1900 ½ - ½
Simon A White 1565 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1733 = (3465 + 400 * (0 - 0)) / 2)

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Opponent Rating Result
John C Staplehurst 1482 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1882 = (1482 + 400 * (1 - 0)) / 1)