Event: B&DCL Div 3

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Opponent Rating Result
Paul Sandy 1623 1 - 0
John R Bowley 1630 ½ - ½
John Belinger 1685 ½ - ½
Richard W Ursell 1788 0 - 1
Tarik Reghif 1683 1 - 0
Alan J Tyler 1623 1 - 0
John Belinger 1685 ½ - ½
Thomas Trach 1705 0 - 1
Mike Rutter 1683 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1767 = (15105 + 400 * (4 - 2)) / 9)

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