Event: Norfolk County Chess Championships

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Opponent Rating Result
Roy Hughes 2086 ½ - ½
Dave Dempster 1930 ½ - ½
Benjamin PQ Collinson 2072 ½ - ½
Mervyn J Hughes 1938 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2007 = (8026 + 400 * (0 - 0)) / 4)

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