Event: 4-Board Division 2

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Opponent	Rating	Result
Derek A Sheppard	1698	0 - 1
Sean Smith	1150	0 - 1
Neil Hambly	1375	0 - 1
Christopher J Harris	1300	1 - 0
Olegs Dukalevs	1728	0 - 1
N Charles Clayton	1480	0 - 1
Ron V Kemp	1323	0 - 1

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

1151 = (10054 + 400 * (1 - 6)) / 7)