Event: Norfolk County Chess Championships

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Opponent Rating Result
Paul P Smith 2042 ½ - ½
Vivash Samarakoon 2087 0 - 1
Jeff R Dawson 1919 1 - 0
Benjamin PQ Collinson 1980 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2107 = (8028 + 400 * (2 - 1)) / 4)

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