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North Staffs & District Chess Association
2024/2025 Miscellaneous
Rated Friendlies
Event: Rated Friendlies
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Opponent
Rating
Result
Tony Rossiter
1250
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1650 = (1250 + 400 * (1 - 0)) / 1)
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