Event: John Ripley Handicap

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Opponent Rating Result
Ian Paul Stephens 1833 ½ - ½
Brian Butterworth 0 1 - 0
David Eisen 1848 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1360 = (3681 + 400 * (1 - 0)) / 3)

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