Event: Division 1

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Opponent Rating Result
Andrew Smith 2116 0 - 1
Rajeev P Raghavan 1880 0 - 1
Manpreet Sangha 1993 ½ - ½
Roy A Lawrence 1868 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1764 = (7857 + 400 * (0 - 2)) / 4)

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