Event: Norfolk County Chess Championships

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Opponent Rating Result
Robin Blackwell 1818 0 - 1
Steve N Moore 1898 1 - 0
Dan Joal Allwin Christopher 1759 ½ - ½
David E Hall 1918 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1948 = (7393 + 400 * (2 - 1)) / 4)

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