Event: 2nd Yorkshire Rapidplay Championships - Junior

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Opponent	Rating	Result
Matthew Chan	1164	0 - 1
Toby Black	633	0 - 1
Toby Gregson	0	0 - 1
Idris Khan	714	1 - 0
Sri Vashishta Maravarjula	603	1 - 0
Reyaansh Renjish	801	1 - 0
Harry Preston	0	0 - 1

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

502 = (3915 + 400 * (3 - 4)) / 7)