Event: League Division Two

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Opponent Rating Result
Paul Gelder 121 ½ - ½
Chris J Terrington 117 1 - 0
John Hipshon 127 1 - 0
Keith J Riach 130 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

324 = (495 + 400 * (2 - 0)) / 4)

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