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ECF League Management System
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National Schools
2022/2023
Region 10 Rapidplay
Event: Region 10 Rapidplay
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Excel
Opponent
Rating
Result
Yahya Ferdhaus
0
0 - 1
Yahya Ferdhaus
0
0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-400 = (0 + 400 * (0 - 2)) / 2)
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