Event: Hillingdon Div 2

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Opponent Rating Result
Tamim Norzai 0 ½ - ½
Phil S Humphry 1412 1 - 0
Kyal Shah 0 0 - 1
Amir Allidina 0 1 - 0
Andrew Glass 1150 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

512 = (2562 + 400 * (2 - 2)) / 5)

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