Event: Five Counties Div 3

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Opponent	Rating	Result
Bommi Pranneth	0	1 - 0
Dara Owladi	1227	0 - 1
Conrad Bredenoord	1084	0 - 1
Akshata Balakrishnan	656	1 - 0
Kian Gruenwald	0	1 - 0
Joseph Henry	1356	1 - 0
Lewis Watson	826	1 - 0
Mrinali Vijayakumar	856	1 - 0
Erik Huckridge	877	1 - 0
Susmita Bade	1093	0 - 1
Sambodh Sinha	1246	0 - 1

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

947 = (9221 + 400 * (7 - 4)) / 11)