Event: Division 1

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Opponent Rating Result
Dave Gaston 127 0 - 1
Keith Melling 109 ½ - ½
Eric Mansfield 108 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

115 = (344 + 400 * (1 - 1)) / 3)

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Opponent Rating Result
Michael Deasey 120 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

120 = (120 + 400 * (0 - 0)) / 1)