Event: Woodhouse Cup

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Opponent Rating Result
Andy J Bagley 165 0 - 1
Jeremy A Hamm 178 0 - 1
Paul Pritchard 161 ½ - ½
Colin S Procter 154 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

65 = (658 + 400 * (1 - 2)) / 4)

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