Event: NSDCA Division 4

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Opponent Rating Result
Andrew Miller 1100 1 - 0
Tony Rossiter 1250 0 - 1
Nathan Fourie 1269 0 - 1
Robert Perry 1203 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1206 = (4822 + 400 * (2 - 2)) / 4)

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