Event: Norfolk County Chess Championships

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Opponent Rating Result
Andrew D Hartland 1870 0 - 1
Antony C Hall 1855 ½ - ½
Steve N Moore 1895 ½ - ½
Senthil Murugan Palaneappan 1797 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1654 = (7417 + 400 * (0 - 2)) / 4)

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