Event: EJCOA South Yorkshire U16/U14/U12

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Opponent	Rating	Result
Xiaorui Wang	1245	0 - 1
Evan Shkul	1289	0 - 1
Samiksh Kayyala	0	1 - 0
Anna McKenna	784	½ - ½
Felix Lee	1118	0 - 1

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

727 = (4436 + 400 * (1 - 3)) / 5)