Event: Div 4 - Athenaeum Cup

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Opponent	Rating	Result
Richard E Desmedt	1753	0 - 1
Oliver Gray	1470	0 - 1
Stefan Lewins	0	0 - 1
Vlad Shaposhnikov	1692	0 - 1
Steve Daykin	1333	½ - ½
Robert Black	1574	0 - 1
Stephen Gibson	1505	½ - ½
Emirasan Umerov	1229	0 - 1

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

1020 = (10556 + 400 * (0 - 6)) / 8)