Event: John Ripley Handicap

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Opponent Rating Result
David Al-Daini 1649 1 - 0
Gareth Ellis 1739 ½ - ½
Bashar Rovezi 1899 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1762 = (5287 + 400 * (1 - 1)) / 3)

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