Event: B&DCL Div 5

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Opponent Rating Result
Andy Hewitt 1400 1 - 0
Dragos Milea 1569 0 - 1
Brian Hilton 1332 1 - 0
David F Burt 1339 ½ - ½
Beatrice Petrus 1300 ½ - ½
David F Burt 1339 0 - 1
John H Jenkins 1323 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1372 = (9602 + 400 * (2 - 2)) / 7)

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