Event: Hillingdon Div 1

Opponent Rating Result
Steven F Coles 2049 ½ - ½
Colin Hughes 1821 1 - 0
Rishi Patel 2054 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1975 = (5924 + 400 * (1 - 1)) / 3)

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