Event: Division 3

Opponent Rating Result
Jim Buis 1740 0 - 1
Alex Jacobs 1456 0 - 1
Sergejs Starodubcevs 1627 1 - 0
Matthew Lawes-Wickwar 1638 ½ - ½
Sergejs Starodubcevs 1681 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1468 = (8142 + 400 * (1 - 3)) / 5)

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