Event: OTB Club Challenge Standard

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Opponent Rating Result
Erik De Bok 1640 0 - 1
Puzant AA (Jr) Merdinian 1584
Erik De Bok 1697 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1669 = (3337 + 400 * (1 - 1)) / 2)

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