Event: Hillingdon Div 3

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Opponent	Rating	Result
David Websdale	1408	1 - 0
Niranjan R Ramesh	0	1 - 0
Abu Hasan	1407	0 - 1
Girish Chaudhary	0	½ - ½
Ricky Sidhu	1269	1 - 0
Ron Lawrence	1399	0 - 1
Leon Zdunek	1205	1 - 0
Anita Saltini Trombini	1499	0 - 1

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

1073 = (8187 + 400 * (4 - 3)) / 8)