Event: TCL Division 3

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Opponent Rating Result
James Gibbs 115 ½ - ½
Ian Henry 125 ½ - ½
Phil J McConnell 123 ½ - ½
Ian Henry 124 1 - 0
Adam Hart-Davis 128 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

283 = (615 + 400 * (2 - 0)) / 5)

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