Event: Rapid Play League

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Opponent Rating Result
RA (Bob) Maltby 1598 1 - 0
RA (Bob) Maltby 1598 ½ - ½
Warren B Dennison 2013 ½ - ½
Warren B Dennison 2013 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1806 = (7222 + 400 * (1 - 1)) / 4)

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