Event: Cambs Division 1

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Opponent Rating Result
Andrew J Chapman 1945 0 - 1
Bernard Duff 1855 ½ - ½
Bernard Duff 1855 1 - 0
Peter N Walker 2005 ½ - ½
John Beck 1818 ½ - ½
Peter AJ Brown 1998 ½ - ½
Raymond J Ilett 1938 1 - 0
Colin Emery 1818 ½ - ½
Raymond J Ilett 1938 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1952 = (17170 + 400 * (2 - 1)) / 9)

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