Event: Northamptonshire Silver King League Division 1

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Opponent	Rating	Result
Daniel Worley	1558	1 - 0
Dave Archer	1686	1 - 0
Stellio Jerome	1604	1 - 0

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

2016 = (4848 + 400 * (3 - 0)) / 3)