Event: Division Three

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Opponent Rating Result
Yuriy Slobodyuk 1740 0 - 1
Chris M Cox 1593 0 - 1
James Taylor 0 0 - 1
Leslie Andrews 1504 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1009 = (4837 + 400 * (1 - 3)) / 4)

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