Event: Division B

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Opponent Rating Result
James Carrington 151 1 - 0
Peter J Kobryn 157 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

354 = (308 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Michael B Carroll 142 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

542 = (142 + 400 * (1 - 0)) / 1)