Event: Division 1

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Opponent Rating Result
David E Aspinall 1764 1 - 0
Oleg Cukovs 1885 0 - 1
Bradley Wainwright 1595 0 - 1
David E Aspinall 1764 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (7008 + 400 * (1 - 3)) / 4)

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