Event: Hepolite (Rapidplay)

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Opponent Rating Result
Yang Guo 2016 ½ - ½
Yang Guo 2016 0 - 1
Stephen Haggas 1510 1 - 0
Stephen Haggas 1510 1 - 0
Matthew Smith 1754 1 - 0
Matthew Smith 1754 1 - 0
Ihor Lewyk 2139 1 - 0
Ihor Lewyk 2139 ½ - ½
Paul Butterworth 1834 ½ - ½
Paul Butterworth 1834 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2011 = (18506 + 400 * (5 - 1)) / 10)

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