Event: Division 5

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Opponent Rating Result
John L Paines 1386 ½ - ½
Ibrahim Damghani 1087 1 - 0
Graham Strickland 1449 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1574 = (3922 + 400 * (2 - 0)) / 3)

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