Event: Division 3

Opponent Rating Result
David Robertson 1387 0 - 1
John WF McAllister 1652 0 - 1
Daniel Pugh 1659 0 - 1
Sergejs Starodubcevs 1614 1 - 0
Simon Webber 1709 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1444 = (8021 + 400 * (1 - 3)) / 5)

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