Event: Division 2 West

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Opponent Rating Result
Thomas A Alsop 0 0 - 1
Vanessa Delbo 0 1 - 0
Robert Eales 0 0 - 1
Marshall Panneerselvam 1711 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

228 = (1711 + 400 * (1 - 3)) / 4)

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