Event: Northamptonshire Silver King League

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Opponent Rating Result
Paul Young 0 0 - 1
Antonio Mura 0 1 - 0
George Gowers 1466 0 - 1
John A Oliver 1461 1 - 0
Luis Alejandro Vieira 0 0 - 1
Greg Rynkowski 0 1 - 0
Greg Rynkowski 0 0 - 1
Dave Archer 0 ½ - ½
Tim Broad 1555 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

498 = (4482 + 400 * (4 - 4)) / 9)

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Opponent Rating Result
Omar Oliveri 1376 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

976 = (1376 + 400 * (0 - 1)) / 1)