Event: Broadstairs Summer Swiss

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Opponent Rating Result
David Clifford 46 1 - 0
Ian A Hames 151 0 - 1
Gary Hilleard 119 1 - 0
Michael Doyle 90 ½ - ½
Trefor H Owens 165 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

114 = (571 + 400 * (2 - 2)) / 5)

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