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Birmingham & District Chess League
2017
Summer Open Division
Event: Summer Open Division
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Excel
Opponent
Rating
Result
Moin Uddin
145
1 - 0
Moin Uddin
145
½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games
345 = (290 + 400 * (1 - 0)) / 2)
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