Event: SCCU Under 14 / U1700 league

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Opponent Rating Result
Efrem Stepanov 0 1 - 0
Indra Jatin Luthia 1383 1 - 0
Druha Chandrashekhar 1518 0 - 1
Yichen Xiong 1157 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1215 = (4058 + 400 * (3 - 1)) / 4)

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