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Event: U1825 Group B

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Opponent Rating Result
Laith Hayali 152 0 - 1
Colin M Newton 152 ½ - ½
Herbie Johnston 100 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

135 = (404 + 400 * (1 - 1)) / 3)

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