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ECF League Management System
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County Championships Online
2020 season
The National 100
Event: The National 100
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Excel
Opponent
Rating
Result
John Stubbs
145
1 - 0
Jonny Kearney
90
0 - 1
David Goldman
53
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
229 = (288 + 400 * (2 - 1)) / 3)
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