Event: Broadstairs Summer Swiss

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Opponent Rating Result
Ian A Hames 151 0 - 1
Mike Jenkinson 82 0 - 1
David Clifford 46 1 - 0
Gary Hilleard 119 ½ - ½
Fredy Reber 52 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

90 = (450 + 400 * (2 - 2)) / 5)

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