Event: Norfolk County Chess Championships

Opponent Rating Result
Roy Hughes 2033 0 - 1
Jeff R Dawson 1912 ½ - ½
Jim McAvoy 1763 ½ - ½
Michael J Gibbons 1864 ½ - ½
Paul P Smith 2029 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1760 = (9601 + 400 * (0 - 2)) / 5)

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