Event: Weston-super-Mare Club IT

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Opponent Rating Result
Robert SR Will 108 1 - 0
Michael E Cooper 104 ½ - ½
Alex Keen 92 1 - 0
David J Wood 89 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

398 = (393 + 400 * (3 - 0)) / 4)

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