Event: Northamptonshire Silver King League Division 1

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Opponent	Rating	Result
Alan M Brown	1988	½ - ½
Daniel Storey	2035	1 - 0
Rajan Ganger	2033	0 - 1

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

2019 = (6056 + 400 * (1 - 1)) / 3)