Event: Individual Challenge 2022-3

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Opponent Rating Result
Wesley J Vickers 1643 0 - 1
David Millington 1629 0 - 1
William G Armstrong 1698 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1390 = (4970 + 400 * (0 - 2)) / 3)

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