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ECF League Management System
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National Schools
2019/2020
Guildford Qualifier
Event: Guildford Qualifier
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Excel
Opponent
Rating
Result
Alexei Semikhodski
0
0 - 1
Vladi Dimitrov
0
1 - 0
Max Hackett
55
0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-115 = (55 + 400 * (1 - 2)) / 3)
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