Event: Northamptonshire Silver King League Division 2

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Opponent Rating Result
Antonio Mura 1762 ½ - ½
Jonathan Cleghorn 1797 0 - 1
Vanik Singh 1539 0 - 1
Ron Cooper 1501 ½ - ½
Jake Newitt 1195 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1479 = (7794 + 400 * (1 - 2)) / 5)

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