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County Championships Online
2020 season
U1825 Group A
Event: U1825 Group A
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Excel
Opponent
Rating
Result
Andy Gallagher
130
1 - 0
Andrew Rogers
70
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
500 = (200 + 400 * (2 - 0)) / 2)
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