Event: Northamptonshire Silver King League Division 1

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Opponent Rating Result
Dave Archer 1664 1 - 0
Dave Archer 1688 ½ - ½
Wojciech Augustyniak 1345 ½ - ½
Kirk Harrison 1559 1 - 0
John Edmundson 1245 1 - 0
John Edmundson 1244 1 - 0
Ron Cooper 1508 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1750 = (10253 + 400 * (5 - 0)) / 7)

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Opponent Rating Result
Kirk Harrison 1620 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1220 = (1620 + 400 * (0 - 1)) / 1)