Event: B&DCL Div 4

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Opponent Rating Result
Mike Rutter 1673 ½ - ½
David Arorash 1597 ½ - ½
John E Harris 1593 0 - 1
Tony Ackerman 1512 1 - 0
Leo Camopy 1548 1 - 0
Adem Avci 1530 0 - 1
Greg C Webb 1389 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1606 = (10842 + 400 * (3 - 2)) / 7)

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