Event: Division 1

Opponent Rating Result
Christopher Willoughby 1780 0 - 1
Andrew E Robertson 1878 0 - 1
Igor Gaponov 1900 0 - 1
John A Figgins 1651 1 - 0
Robert JV Davies 1787 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1719 = (8996 + 400 * (2 - 3)) / 5)

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