Event: Division 1

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Opponent Rating Result
Alan D Lloyd 2061 0 - 1
Philip Purcell 2100 0 - 1
Richard J E McNally 1989 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1783 = (6150 + 400 * (0 - 2)) / 3)

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