Event: Northamptonshire Silver King League Division 2

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Opponent Rating Result
David P Holmes 1404 0 - 1
Ross Webster 1594 0 - 1
Robert Mills 1292 1 - 0
Jacob Batchelor 1522 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1453 = (5812 + 400 * (2 - 2)) / 4)

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