Event: Division 2

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Opponent Rating Result
Rhys Perry 1506 ½ - ½
Robert Lacey 1320 ½ - ½
Tom A Cleverley 1599 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1608 = (4425 + 400 * (1 - 0)) / 3)

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