Event: Division 1

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Opponent Rating Result
Colin R Ramage 1931 0 - 1
Andrew E Robertson 1855 1 - 0
Terry D Whitton 1946 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1777 = (5732 + 400 * (1 - 2)) / 3)

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