Event: Sheffield Chess Centre Open

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Opponent	Rating	Result
Prabobh Gyawali	1711	0 - 1
Gary Hinchcliffe	1781	0 - 1
Srivathsan Sasikumar	1875	0 - 1
Leon Skeldon	1817	1 - 0
John R Huthwaite	1808	1 - 0
Lindsay Pyun	1766	1 - 0

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

1793 = (10758 + 400 * (3 - 3)) / 6)