Event: B&DCL Div 3

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Opponent Rating Result
Barry MS Jolly 1533 1 - 0
Robert M Willington 1640 0 - 1
Barry MS Jolly 1533 1 - 0
Robert Powell 1689 1 - 0
Robert M Willington 1640 1 - 0
Robert Powell 1400 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1706 = (9435 + 400 * (4 - 2)) / 6)

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