Event: Arjay Plate

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Opponent Rating Result
Samuel J Playford 1625 ½ - ½
Robin F Browne 1822 1 - 0
Dominic Gallagher 1623 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1957 = (5070 + 400 * (2 - 0)) / 3)

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