Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Matthias Lataille 1635 1 - 0
Matthias Lataille 1635 1 - 0
David Spearman 2044 ½ - ½
David Spearman 2044 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2040 = (7358 + 400 * (2 - 0)) / 4)

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