Event: B&DCL Div 3

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Opponent Rating Result
John E Harris 1593 1 - 0
Barry MS Jolly 1533 1 - 0
Robert M Willington 1640 1 - 0
John R Bowley 1630 1 - 0
Stuart Mallon 1400 ½ - ½
Robert M Willington 1640 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1906 = (9436 + 400 * (5 - 0)) / 6)

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