Event: Hillingdon Div 2

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Opponent	Rating	Result
Alex Lushpa	1601	½ - ½
Robert Parsons	1750	½ - ½
Alex Lushpa	1619	0 - 1
Naavya Parikh	1690	½ - ½
William Phillips	1828	1 - 0
Gregory Barseghyan	1597	1 - 0
William Phillips	1834	½ - ½
Jim I Wrigglesworth	1441	1 - 0

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

1770 = (13360 + 400 * (3 - 1)) / 8)