Event: 6-Board Division 1

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Opponent	Rating	Result
John G Cooper	198	0 - 1
R Malcolm Hara	126	1 - 0
Mark I Collinson	167	½ - ½
Graham Chesters	174	½ - ½
Douglas Vleeshhouwer	172	1 - 0
John G Cooper	198	0 - 1
Peter T Perkins	118	1 - 0

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

222 = (1153 + 400 * (3 - 2)) / 7)