Event: Five Counties Div 2

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Opponent	Rating	Result
U Muhammad Butt	0	1 - 0
Robert Parsons	1699	0 - 1
Aleksa Markov	0	1 - 0
Ashwin Ravithas	1503	½ - ½
Devorshi Das	1106	1 - 0
Asoke K Nandi	1494	½ - ½
Augustas Jonikas	1503	1 - 0

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

1215 = (7305 + 400 * (4 - 1)) / 7)