Event: Hillingdon Div 2

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Opponent	Rating	Result
Mary Helen Deans	1652	1 - 0
Mary Helen Deans	1652	0 - 1
Gregory Barseghyan	1660	1 - 0
Martin L Loat	1636	½ - ½
David Websdale	1434	1 - 0
Arthur Cann	1243	1 - 0
Veer Gill	1392	1 - 0
Varish Tarigopula	1422	1 - 0

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

1761 = (12091 + 400 * (6 - 1)) / 8)