Event: Norfolk County Chess Championships

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Opponent Rating Result
David E Hall 1949 0 - 1
Michael J Gibbons 1913 0 - 1
David J Payne 1762 1 - 0
Nigel J Larter 1783 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1752 = (7407 + 400 * (1 - 2)) / 4)

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