Event: 6600-max Rapid-play

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Opponent Rating Result
Sean Ralph 1860 1 - 0
Julian H Summerfield 1873 1 - 0
Julian H Summerfield 1873 1 - 0
Sean Ralph 1860 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2267 = (7466 + 400 * (4 - 0)) / 4)

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