Event: Norfolk County Chess Championships

Opponent Rating Result
David E Hall 1929 1 - 0
Paul P Smith 1997 ½ - ½
Jeff R Dawson 2004 1 - 0
Martin G Walker 2187 1 - 0
Roy Hughes 2086 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2281 = (10203 + 400 * (3 - 0)) / 5)

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