Event: Division Four

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Opponent Rating Result
David Molineux 120 ½ - ½
Stan Grayland 122 0 - 1
Ron Evans 126 1 - 0
Chris Williamson 94 1 - 0
David Wilkinson 113 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

115 = (575 + 400 * (2 - 2)) / 5)

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