Event: Kenneth Appleby

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Opponent Rating Result
Keith J Riach 127 0 - 1
Alex King 64 ½ - ½
Dan Tanham 0 1 - 0
Rashpal S Potiwal 71 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

166 = (262 + 400 * (2 - 1)) / 4)

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