Event: SCCA Division 3 19/20

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Opponent Rating Result
Phil Mortonson 105 0 - 1
Bernard Ross 68 1 - 0
Victor C Brazkiewicz 82 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

85 = (255 + 400 * (1 - 1)) / 3)

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