Event: Northamptonshire Silver King League Division 1

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Opponent Rating Result
Paul Young 1632 0 - 1
Arrow Morris 1617 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1225 = (3249 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Shayan Zarein Dolab 1683 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1283 = (1683 + 400 * (0 - 1)) / 1)