Event: Division 2

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Opponent Rating Result
Robert Petrovai 1633 0 - 1
Michael Mason 1600 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1417 = (3233 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Wayland E Medlycott 1707 0 - 1
William Hastings 1500 1 - 0
Max Conley 1858 0 - 1
James Harrison 1502 0 - 1
Robert Petrovai 1590 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1391 = (8157 + 400 * (1 - 4)) / 5)