Event: TCL Rapidplay

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Opponent Rating Result
Ben R Wilkinson 132 1 - 0
Andrew S Kinder 158 ½ - ½
Ben R Wilkinson 132 0 - 1
Andrew S Kinder 158 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

145 = (580 + 400 * (1 - 1)) / 4)

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