Event: Northamptonshire Silver King League Division 1

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Opponent	Rating	Result
Martin Crichton	1954	0 - 1
Vanik Singh	1636	0 - 1
Nicholas J Caldwell	1846	0 - 1
Shayan Zarein Dolab	1691	1 - 0
Mark BW Waterfield	1909	0 - 1
Dave Archer	1686	1 - 0
Szabolcs Fulop	1891	0 - 1
Nicholas J Caldwell	1832	0 - 1

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

1606 = (14445 + 400 * (2 - 6)) / 8)