Event: John Ripley Handicap

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Opponent Rating Result
Ron Harrison 1869 ½ - ½
Paul Stanley 1838 1 - 0
Marek Korsinskij 2064 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2190 = (5771 + 400 * (2 - 0)) / 3)

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