Event: B&DCL Div 4

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Opponent	Rating	Result
Alan Reid	1420	0 - 1
Susan Kageler	1660	½ - ½
Greg C Webb	1383	½ - ½
Ron Salinger	1443	1 - 0
David F Burt	1323	½ - ½
Anton Vann	1300	1 - 0
Mike Minvalla	1405	½ - ½
George A Wright	1106	1 - 0

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

1480 = (11040 + 400 * (3 - 1)) / 8)