Event: Northamptonshire Silver King League Division 1

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Opponent	Rating	Result
Vanik Singh	1502	½ - ½
Kirk Harrison	1708	½ - ½
Paul Young	1641	½ - ½
Vijay Lad	1911	0 - 1
Christopher Keech	1801	0 - 1
Dave Archer	1714	1 - 0
Paul Young	1646	0 - 1
John Edmundson	1244	1 - 0

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

1596 = (13167 + 400 * (2 - 3)) / 8)