Event: Hillingdon Div 1

Opponent Rating Result
Clive Heidrich 1805 ½ - ½
Steven F Coles 1991 ½ - ½
Sab Jhooti 1867 0 - 1
Colum Jezierski 2038 1 - 0
Raghu Kamath 1884 ½ - ½
Andrew Hayler 1958 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1857 = (11543 + 400 * (1 - 2)) / 6)

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