Event: Winter Online

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Opponent Rating Result
Martin Carpenter 2006 ½ - ½
Martin Carpenter 2006 0 - 1
Alexander Burke 1278 ½ - ½
Alexander Burke 1278 1 - 0
Joel Hutchinson 1865 0 - 1
Joel Hutchinson 1865 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1583 = (10298 + 400 * (1 - 3)) / 6)

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