Event: Northamptonshire Silver King League Division 2

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Opponent	Rating	Result
John Edmundson	1248	½ - ½
Rene Butler	1475	0 - 1
Jacob Batchelor	1384	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1102 = (4107 + 400 * (0 - 2)) / 3)