Event: B&DCL Div 4

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Opponent Rating Result
Matt Austin 1398 0 - 1
George A Wright 1409 1 - 0
Tony Ackerman 1512 1 - 0
Roger D Howell 1449 1 - 0
Tony Ackerman 1512 0 - 1
Leo Camopy 1548 0 - 1
Tony Sanderson 1491 ½ - ½
Ron Salinger 1427 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1518 = (11746 + 400 * (4 - 3)) / 8)

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