Event: NSDCA Division 2

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Opponent Rating Result
William G Armstrong 1620 1 - 0
Steve Whatmore 1886 ½ - ½
Wesley J Vickers 1633 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1846 = (5139 + 400 * (1 - 0)) / 3)

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