Event: City Chess Swiss 2019-20

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Opponent Rating Result
Tudor A Siminic 1773 0 - 1
Keith S Jones 0 0 - 1
Christopher Eagle 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

191 = (1773 + 400 * (0 - 3)) / 3)

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