Event: Northamptonshire Silver King League Division 1

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Opponent	Rating	Result
Paul Young	1667	1 - 0
Daniel Worley	1551	0 - 1
Kirk Harrison	1742	0 - 1

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

1520 = (4960 + 400 * (1 - 2)) / 3)