Event: Hillingdon Div 2

Opponent Rating Result
John Clenshaw 1673 0 - 1
Bodhana Sivanandan 1853 0 - 1
Trevor Bates 1544 ½ - ½
Phil S Humphry 1321 ½ - ½
Varish Tarigopula 1431 0 - 1
Ovidiu Alexa 1569 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1432 = (9391 + 400 * (1 - 3)) / 6)

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