Event: Division C

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Opponent Rating Result
Ken Gorman 103 0 - 1
Andrew Lane 100 0 - 1
John Cox 85 0 - 1
Paul N Fearnhead 93 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-205 = (381 + 400 * (0 - 3)) / 4)

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