Event: NCCA League Division 1

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Opponent Rating Result
Benjamin PQ Collinson 2008 1 - 0
Edward T King 1648 ½ - ½
Graham K Blowers 1768 ½ - ½
Benjamin PQ Collinson 2003 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1957 = (7427 + 400 * (1 - 0)) / 4)

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