Event: TCL Rapidplay

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Opponent Rating Result
Robert G Wilby 141 1 - 0
Martin Quinn 135 0 - 1
Robert G Wilby 141 ½ - ½
Martin Quinn 135 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

38 = (552 + 400 * (1 - 2)) / 4)

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