Event: Division 1

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Opponent Rating Result
John D Carlin 2300 ½ - ½
Michael W Healey 2217 1 - 0
Sohum Lohia 2265 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2261 = (6782 + 400 * (1 - 1)) / 3)

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