Event: Division Two

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Opponent Rating Result
Cliff S Silverman 105 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

105 = (105 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Arun Mahtani 88 1 - 0
Stanley G Jacobs 86 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

87 = (174 + 400 * (1 - 1)) / 2)