Event: Northamptonshire Silver King League

Opponent Rating Result
Aleem Babur 0 0 - 1
Aaron Lee 0 1 - 0
Dave Archer 0 0 - 1
Aaron Lee 0 1 - 0
Matthew Edwards 1338 0 - 1
David Caldwell 0 1 - 0
Rene Butler 1289 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

375 = (2627 + 400 * (3 - 3)) / 7)

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