Event: Division Three

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Opponent Rating Result
Jim A Gillespie 116 0 - 1
Leslie Andrews 91 ½ - ½
Penny A Wood 90 0 - 1
R Arthur Hall 106 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-199 = (403 + 400 * (0 - 3)) / 4)

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