Event: Hillingdon Div 1

Opponent Rating Result
Andrew Hayler 1957 ½ - ½
John M Quinn 2199 0 - 1
David J White 1853 0 - 1
Nigel RE Alldritt 1960 ½ - ½
Austin Ivan 1789 ½ - ½
Mircea Danila Dumitrescu 0 1 - 0
Jagdeep Dhemrait 1946 0 - 1
Siena Gurjar 1546 1 - 0
Hristo Colov 1758 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1579 = (15008 + 400 * (2 - 4)) / 9)

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