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Individual Calculations December 2021 |
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| Wang, Chloe Heather Total change: 61.60 | |   |
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| 30th Annual Kings Island Open - Under 2100 | Blue Ash, Ohio | USA | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1482 | 1.50 | 3 | 0.70 | 40 | 28.00 | |
|  Brooks, Will Joseph | | | 1686 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | |  Turner, Bill | | | 1873 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Lim, Timothy Chien En | | | 1501 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | Niagara Falls Open - Under 2100 | Niagara Falls, New York | USA | 2021-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1482 | 2.00 | 5 | 0.84 | 40 | 33.60 | |
| | Mast, Malcolm Ray | | | 1651 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Keiper, Ryan | | | 1696 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Zheng, Marcus | | | 1559 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Kozower, Ethan | | | 1740 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Gindi, Aaron | | | 1882 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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