Event: Division Four

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Opponent Rating Result
Chris C McConkey 145 ½ - ½
Manvith Sandhu 126 ½ - ½
Ian Ellis 0 0(def) - 1
Robert J Purcell 131 0 - 1
Paul Heeney 107 1 - 0
David J Friend 121 0 - 1
Peter Hodkinson 105 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

56 = (735 + 400 * (1 - 2)) / 6)

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