Event: Division 1

Opponent Rating Result
Josue Estevez Fernandez 1966 ½ - ½
Terry D Whitton 1897 0 - 1
Olga L Latypova 1959 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1807 = (5822 + 400 * (0 - 1)) / 3)

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