Event: Easter Rapidplay

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Opponent Rating Result
Freddie Dawson 0 1 - 0
Zhuoyi Lin 991 1 - 0
Chris Swales 1616 0 - 1
Jayden Wang 890 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

974 = (3497 + 400 * (2 - 1)) / 4)

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