Event: Sheffield Chess Centre U1750

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Opponent	Rating	Result
Essa Abakr	1750	½ - ½
Paul Wheatley	1494	0 - 1
Arthur Eastham	1809	1 - 0
Callum Cosens	1699	1 - 0
Rishab Cammanchery Krishnan	1398	0 - 1
Bryony Eccleston	1522	1 - 0

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

1679 = (9672 + 400 * (3 - 2)) / 6)