Event: Rapidplay

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Opponent Rating Result
Aiya Manabayeva 157 1 - 0
Jonathan WR Underwood 171 ½ - ½
Jonathan WR Underwood 171 ½ - ½
Aiya Manabayeva 157 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

364 = (656 + 400 * (2 - 0)) / 4)

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