Event: League Division 3

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Opponent Rating Result
Mike Berry 1520 0 - 1
C Rodney S Mitchinson 1200 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1160 = (2720 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Michael Carrigan 1164 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1564 = (1164 + 400 * (1 - 0)) / 1)