Event: Autumn OTB Division 2

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Opponent Rating Result
Tarini Jayawarna 1720 1 - 0
Jon I Lonsdale 1923 0 - 1
Christopher Hodgson 1750 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1664 = (5393 + 400 * (1 - 2)) / 3)

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