Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Matthias Lataille 1579 1 - 0
Matthias Lataille 1579 1 - 0
Jens Mueller 1948 0 - 1
Jens Mueller 1948 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1764 = (7054 + 400 * (2 - 2)) / 4)

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