Event: Division Two

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Opponent Rating Result
Hussien Mohamed 2080 ½ - ½
Steve Piercey 1899 0 - 1
Derek R Johnson 1964 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1981 = (5943 + 400 * (1 - 1)) / 3)

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