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Norfolk County Chess Association
2023
NCCA Williamson Cup
Event: NCCA Williamson Cup
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Excel
Opponent
Rating
Result
Colin Goodchild
1404
1 - 0
John E Dolamore
1792
½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1798 = (3196 + 400 * (1 - 0)) / 2)
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