Event: B&DCL Div 5

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Opponent Rating Result
Ralph BEALES 1475 ½ - ½
Rachel Richardson 1300 0 - 1
Ken Leonard 1300 0 - 1
Peter Erhardt 1240 ½ - ½
Dan Ursell 1246 ½ - ½
Rachel Richardson 1300 ½ - ½
Greta Lindsay 1315 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1197 = (9176 + 400 * (0 - 2)) / 7)

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