Event: B Division

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Opponent Rating Result
Dave Toole 1843 0 - 1
Peter J Mulleady 2001 0 - 1
Allan Gardner 1828 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1624 = (5672 + 400 * (0 - 2)) / 3)

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