Event: Norfolk County Chess Championships

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Opponent Rating Result
Philip R Bonafont 2032 1 - 0
Jeff R Dawson 2004 ½ - ½
Jaden Jermy 2070 0 - 1
Benjamin PQ Collinson 2072 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2045 = (8178 + 400 * (1 - 1)) / 4)

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