Event: Individual Championship

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Opponent Rating Result
Brian Dinter 201 0 - 1
Rob E Wilden 149 0 - 1
John CH Jones 55 1 - 0
John S Burrows 117 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

31 = (522 + 400 * (1 - 2)) / 4)

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