Event: 6-Board Division 1

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Opponent	Rating	Result
John W Atkinson	1968	½ - ½
Douglas Vleeshhouwer	2065	0 - 1
Mark I Collinson	2073	½ - ½
John Thackray	1953	½ - ½
Peter T Perkins	1683	1 - 0
Douglas Vleeshhouwer	2065	1 - 0
Mark I Collinson	2073	½ - ½
John Thackray	1953	1 - 0
Kevin Chilvers	1715	1 - 0

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

2083 = (17548 + 400 * (4 - 1)) / 9)