Event: TCL Division 4

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Opponent Rating Result
Arthur Doble 93 ½ - ½
Michael Gilding 115 0 - 1
Kenneth Hayden-Sadler 69 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-41 = (277 + 400 * (0 - 1)) / 3)

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