Event: Rapidplay - Under 7000

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Opponent Rating Result
Martin Goldschmidt 1780 ½ - ½
Steven J Levy 2036 ½ - ½
Martin Goldschmidt 1780 0 - 1
Steven J Levy 2036 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1908 = (7632 + 400 * (1 - 1)) / 4)

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