Event: Summer League Division 1

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Opponent	Rating	Result
Anthony G Steele	118	0 - 1
David Glossop	127	½ - ½
Richard J Webster	173	0 - 1
Steven J Burke	166	0 - 1
David Glossop	127	0 - 1
Phil Griffiths	162	0 - 1
Tim Humphries	153	0 - 1
Anthony G Steele	118	1 - 0

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

-107 = (1144 + 400 * (1 - 6)) / 8)