Event: D&DCL Div 3

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Opponent Rating Result
Douglas Bramley 1337 0 - 1
Nigel D Marshall 1478 0 - 1
Dudley Thorpe 1329 0 - 1
Piotr Natoniewski 0 0 - 1
Mohinderpal Samra 1388 1 - 0
George Moorcroft 1312 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

874 = (6844 + 400 * (1 - 5)) / 6)

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