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Event: Online League Division 1 (Autumn 2020)

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Opponent Rating Result
Ron Usharovsky 1922 1 - 0
David J White 0 ½ - ½
Steven F Coles 2002 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1441 = (3924 + 400 * (1 - 0)) / 3)

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