Event: TCL Division 1

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Opponent Rating Result
David J Archer 170 0 - 1
David J Archer 170 ½ - ½
Stephen J Homer 179 0 - 1
Alan W Brusey 176 ½ - ½
Alan W Brusey 176 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

94 = (871 + 400 * (1 - 2)) / 5)

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