Event: Hillingdon Div 1

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Opponent Rating Result
Chris Fegan 2072 0 - 1
Laith Hayali 1850 1 - 0
Ian K Cross 1684 1 - 0
John Burke 1941 ½ - ½
Jonathan PJ White 1986 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1987 = (9533 + 400 * (2 - 1)) / 5)

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