Event: Hillingdon Div 3

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Opponent Rating Result
Surjit S Dhemrait 1603 0 - 1
Alex Lushpa 1660 ½ - ½
Dhairye Gauri 1590 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1351 = (4853 + 400 * (0 - 2)) / 3)

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