Event: TCL Rapidplay

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Opponent Rating Result
Steven J Levy 177 ½ - ½
David J Archer 142 0 - 1
Robert G Wilby 137 0 - 1
Robert G Wilby 137 1 - 0
David J Archer 142 0 - 1
Steven J Levy 177 0 - 1
Robert G Wilby 137 0 - 1
Robert G Wilby 137 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-2 = (1186 + 400 * (2 - 5)) / 8)

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