Event: TCL Division 3

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Opponent Rating Result
Derek J Scantlebury 90 0 - 1
Felix Chattaway 97 0 - 1
Ken Ashby 99 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-171 = (286 + 400 * (0 - 2)) / 3)

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