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London Chess League
2021 season
Major West
Event: Major West
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Excel
Opponent
Rating
Result
Colum Jezierski
1968
0 - 1
Matthew J Hortin
1930
0 - 1
Agata Becker
0
1 - 0
Thomas O'Brien
1400
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1325 = (5298 + 400 * (2 - 2)) / 4)
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