Event: Dudley & District League Div 3

Opponent Rating Result
Paul Bignall 1507 1 - 0
Brandon Wilkes 399 0 - 1
Richard F Collett 1393 1 - 0
Goran Stepanovic 1328 ½ - ½
John H Loynes 399 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1165 = (5026 + 400 * (3 - 1)) / 5)

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