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Event: EJCOA South Yorkshire U16/U14/U12

Opponent Rating Result
Felix Lee 1118 0 - 1
Anna McKenna 784 0 - 1
Oscar Yan 1152 0 - 1
Lysander Lawson 1243 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

774 = (4297 + 400 * (0 - 3)) / 4)

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