Event: Division 3

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Opponent Rating Result
David P Price 119 ½ - ½
Paul Clapham 98 ½ - ½
David A Hallen 99 ½ - ½
Joseph Bussell 90 1 - 0
Paul Clapham 98 ½ - ½
John HM Smith 114 ½ - ½
Joseph Bussell 90 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

215 = (708 + 400 * (2 - 0)) / 7)

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