Event: Division One

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Opponent Rating Result
Cory S Hazlehurst 169 ½ - ½
Marcus Walsh 174 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

172 = (343 + 400 * (0 - 0)) / 2)

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Opponent Rating Result
Marcus Walsh 174 ½ - ½
Christopher J Bellin 143 ½ - ½
Robert Reynolds 154 ½ - ½
David R Thomas 165 0 - 1
Sean Ralph 159 ½ - ½
Derek A Stockhall 130 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

154 = (925 + 400 * (1 - 1)) / 6)