Event: SCCA Division 3 19/20

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Opponent Rating Result
Phil Mortonson 105 0 - 1
Lee R Osmon 82 0 - 1
Robert Lepley 93 1 - 0
Bernard Ross 68 1 - 0
Lee R Osmon 82 0 - 1
Bernard Ross 68 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

83 = (498 + 400 * (3 - 3)) / 6)

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Opponent Rating Result
Emile Kosviner 87 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-313 = (87 + 400 * (0 - 1)) / 1)