Event: OTB Club Challenge Rapid

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Opponent Rating Result
Matthias Lataille 1531 0 - 1
Matthias Lataille 1531 1 - 0
Peter A Nickals 1636 0 - 1
Peter A Nickals 1636 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1584 = (6334 + 400 * (2 - 2)) / 4)

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