Event: MCA U6000

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Opponent Rating Result
James Lee 1483 1 - 0
Howard D Sleeman 1452 0 - 1
John Reid 1334 0 - 1
Peter Paine 1372 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1210 = (5641 + 400 * (1 - 3)) / 4)

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