Event: Lytham Summer Tournament

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Opponent Rating Result
Darren Pickering 0 0 - 1
Shaun Clarkson 0 1 - 0
Robert Tinton 123 0 - 1
Ken Hopwood 0 0(def) - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-92 = (123 + 400 * (1 - 2)) / 3)

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