Event: Norfolk County Chess Championships

Opponent Rating Result
Nathan J Abbott 1891 ½ - ½
Senthil Murugan Palaneappan 1797 0 - 1
Jim McAvoy 1849 1 - 0
Michael J Gibbons 1931 ½ - ½
Andrew D Hartland 1870 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1868 = (9338 + 400 * (1 - 1)) / 5)

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