Event: Division 2 West

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Opponent Rating Result
Oliver W Howell 174 0 - 1
Mark R Baker 133 1 - 0
Jim Lobley 158 ½ - ½
Tim A Wallis 133 1 - 0
Neville N Senior 144 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

228 = (742 + 400 * (2 - 1)) / 5)

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