Event: B&DCL Div 4

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Opponent Rating Result
Ron Salinger 109 ½ - ½
Krzysztof Itrich 114 0 - 1
John H Jenkins 82 1 - 0
Joseph Wikramaratna-Clarke 113 ½ - ½
Simon Bown 117 ½ - ½
Anthony D Pritchard 103 ½ - ½
Simon Bown 117 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

51 = (755 + 400 * (1 - 2)) / 7)

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