Event: Darlington RAPIDPLAY

Opponent Rating Result
Liam Bellwood 1679 0 - 1
Carl Stephens 1570 0 - 1
Carl Stephens 1570 1 - 0
Richard J Harris 1795 ½ - ½
Robert Donner 1630 0 - 1
Robert Donner 1630 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1446 = (9874 + 400 * (1 - 4)) / 6)

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