Event: Darlington RAPIDPLAY

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Opponent Rating Result
Jonathan Sams 1743 0 - 1
Jonathan Sams 1743 0 - 1
Liam Bellwood 1679 0 - 1
Carl Stephens 1570 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1484 = (6735 + 400 * (1 - 3)) / 4)

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