Event: Division 2

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Opponent Rating Result
A Clive Walley 1930 ½ - ½
Fergus Skillen 1917 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1724 = (3847 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Peter Saunders 1413 1 - 0
Mike Levene 1921 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1867 = (3334 + 400 * (1 - 0)) / 2)

Opponent Rating Result
Tom Last 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 1)) / 1)