Event: Norfolk Team Blitz-Challengers

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Opponent Rating Result
Biran S Shah 1752 0 - 1
Bruce M Carman 1446 0 - 1
Henry Morgan 1595 0 - 1
Carl Purkiss 1558 0 - 1
Chris Cook 1388 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1148 = (7739 + 400 * (0 - 5)) / 5)

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