Event: Autumn OTB Division 3

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Opponent Rating Result
Jamie Thompson 1780 ½ - ½
Paul Doherty 1780 1 - 0
Michael Oszczyk 1713 ½ - ½
Robin Yeung 1855 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1982 = (7128 + 400 * (2 - 0)) / 4)

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