Event: TCL Division 1

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Opponent Rating Result
Charles V Howard 159 0 - 1
Paul Brooks 161 ½ - ½
Mark C Bowhay 162 ½ - ½
James Schofield 156 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

60 = (638 + 400 * (0 - 1)) / 4)

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