Event: Hillingdon Div 1

Opponent Rating Result
Neville J Blackie 0 ½ - ½
Naavya Parikh 1478 1 - 0
Michael C Price 1726 1 - 0
Nigel Colter 1786 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1548 = (4990 + 400 * (3 - 0)) / 4)

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