Event: TCL Division 4

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Opponent Rating Result
Oliver Mortimer 1 0 - 1
Alan H Davies 92 0 - 1
Derek J Scantlebury 94 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-338 = (187 + 400 * (0 - 3)) / 3)

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