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Individual Calculations September 2023 |
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| Lu, Jiahan Total change: -41.20 | |   |
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| "Boyi Cup"China Youth Chess International Open Tournament 2023(Group B) | Daqing,China | CHN | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1779 | 1.50 | 3 | -1.03 | 40 | -41.20 | |
|  Zhang, Qiwang | | | 1379 * | CHN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Zhu, Zimo | | | 1408 | BEL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Xu, Ziyuan | | | 1619 | CHN | 0.00 | 1 | -0.71 | 40 | -28.40 | | | * 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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