Event: B&DCL Div 3

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Opponent	Rating	Result
Thomas Trach	1705	0 - 1
David Arorash	1578	½ - ½
Mike Minvalla	1405	½ - ½
Ron Salinger	1443	0 - 1
Femi Oloyede	1590	½ - ½
Simon Young	110	0 - 1
Chris D Lane	1585	½ - ½
Mike Rutter	1683	0 - 1
Simon Young	1593	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1188 = (12692 + 400 * (0 - 5)) / 9)