Event: Division 2

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Opponent Rating Result
Hooman Honarvarmahalati 1834 0 - 1
Peter D Kemp 2148 0 - 1
Douglas Blythe 1647 ½ - ½
Lawrence Rhodes 1580 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1702 = (7209 + 400 * (1 - 2)) / 4)

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