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Individual Calculations September 2021 |
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| Han, Johnathan Total change: 44.40 | |   |
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| 2021 North American Youth Chess Championships - Open Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1805 | 6.00 | 8 | 1.11 | 40 | 44.40 | |
|  Luo, Will | | | 1443 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Yan, Nathan | | | 1417 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Ho, Cooper | | | 1780 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Hardaway, Brewington | c | | 2026 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Adewumi, Tanitoluwa | | | 1895 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Tang, Benjamin Benchen | | | 1565 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Boydell, Oliver | | | 1405 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liu, Eric Chang | | | 2014 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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