Event: Hillingdon Div 3

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Opponent Rating Result
Evangelos Maltezos 1663 1 - 0
Anita Saltini Trombini 1499 0 - 1
Aryan Chaudhary 1349 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1637 = (4511 + 400 * (2 - 1)) / 3)

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