Event: Three East

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Opponent Rating Result
Jonathan P Marrow 1833 0 - 1
Faye Ainscow 1608 1 - 0
Taha Undre 1554 1 - 0
Jeffrey Page 1630 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1856 = (6625 + 400 * (3 - 1)) / 4)

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