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North Staffs & District Chess Association
2018/2019 League Divisions
Division 2
Event: Division 2
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Excel
Opponent
Rating
Result
Bartosz Fajfer
170
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
570 = (170 + 400 * (1 - 0)) / 1)
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