Event: Hillingdon Div 1

Opponent Rating Result
Richard J McMichael 2253 0 - 1
Anthony R Fulton 2038 0 - 1
Andrew Hayler 1950 0 - 1
Kishan Lakhani 2022 0 - 1
Roshan Gurjar 1700 1 - 0
Simon Healeas 1846 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1702 = (11809 + 400 * (1 - 5)) / 6)

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