Event: Individual Championship

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Opponent Rating Result
David E Aspinall 140 0 - 1
Peter A Wilson 145 1 - 0
Blaine McGrady 144 1 - 0
Graham J Ashcroft 161 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

248 = (590 + 400 * (2 - 1)) / 4)

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