Event: MCA Division 4

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Opponent Rating Result
Craig Jones 1221 ½ - ½
Killian Numico 1398 0 - 1
Magdalena Hamblett 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

606 = (2619 + 400 * (0 - 2)) / 3)

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