Event: Division Two

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Opponent Rating Result
Christopher D Lewis 1979 0 - 1
Marek J Soszynski 1827 0 - 1
Paul Silverman 1665 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1557 = (5471 + 400 * (0 - 2)) / 3)

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