Event: NSDCA Division 3

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Opponent Rating Result
Jim Leech 1125 0 - 1
Jack Warren 1200 0 - 1
Matthew Dean 1166 0 - 1
Peter Kanalos 1193 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

771 = (4684 + 400 * (0 - 4)) / 4)

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