Event: Winter Online

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Opponent Rating Result
John Addison 1810 0 - 1
John Addison 1810 1 - 0
Christopher Hodgson 1747 1 - 0
Christopher Hodgson 1747 1 - 0
Martin Carpenter 2006 0 - 1
Martin Carpenter 2006 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1988 = (11126 + 400 * (4 - 2)) / 6)

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