Event: Division Two

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Opponent Rating Result
D Ian Calvert 180 ½ - ½
Paul Kennelly 158 1 - 0
Nevil Chan 173 ½ - ½
Julian Hudson 176 1 - 0
Jean-Claude Sartenaer 150 1 - 0
D Ian Calvert 180 ½ - ½
Ilya Iyengar 187 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

401 = (1204 + 400 * (4 - 0)) / 7)

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