Event: OTB Summers End Blitz

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Opponent	Rating	Result
Jagdeep Sanger	1023	1 - 0
Mark RA Murrell	1778	0 - 1
Huw D Jacob	1330	0 - 1
Aakarsh Dwivedi	724	1 - 0
Alfie Green	1376	1 - 0
Krishna Raikundalia	1365	0 - 1
Alex Collyer	1780	0 - 1

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

1282 = (9376 + 400 * (3 - 4)) / 7)