Event: Northamptonshire Silver King League Division 2

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Opponent Rating Result
Kenny (Kehinde) Gbolade 1533 ½ - ½
Peter Storey 1586 1 - 0
Bob McDonald 1562 0 - 1
Lucian Durbala 1227 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1577 = (5908 + 400 * (2 - 1)) / 4)

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