Event: Division A

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Opponent Rating Result
John Whitfield 151 ½ - ½
Peter Thompson 158 ½ - ½
Dave C Martindale 161 1 - 0
John Whitfield 151 ½ - ½
Phillip J Taylor 160 0 - 1
William O'Rourke 156 ½ - ½
Mark Taylor 154 1 - 0
William O'Rourke 156 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

256 = (1247 + 400 * (3 - 1)) / 8)

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