Event: 6-Board Division 1

Opponent Rating Result
Kevin Chilvers 1553 1 - 0
Mark I Collinson 2073 ½ - ½
John W Atkinson 1968 ½ - ½
John G Cooper 2313 ½ - ½
Douglas Vleeshhouwer 2065 0 - 1
Peter T Perkins 1683 1 - 0
Mark I Collinson 2073 0 - 1
John W Atkinson 1968 ½ - ½
John G Cooper 2313 0 - 1
Douglas Vleeshhouwer 2065 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1967 = (20074 + 400 * (2 - 3)) / 10)

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