Event: Darlington RAPIDPLAY

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Opponent Rating Result
Liam Bellwood 1679 0 - 1
Liam Bellwood 1679 ½ - ½
Peter McKay 1638 ½ - ½
Robert Donner 1630 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1457 = (6626 + 400 * (0 - 2)) / 4)

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