Event: Division C

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Opponent Rating Result
Robert Tinton 125 ½ - ½
Geoff Key 57 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

291 = (182 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Patrick N Coleman 108 1 - 0
Patrick N Coleman 108 0 - 1
Martin Craven 100 1 - 0
John Morgan 85 1 - 0
Keith Sansom 91 1 - 0
Paul N Fearnhead 93 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

231 = (585 + 400 * (4 - 2)) / 6)