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Individual Calculations September 2023 |
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| Chiu, Isaac Total change: -16.40 | |   |
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| 2023 U.S. Junior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 2242 | 3.50 | 5 | -0.82 | 20 | -16.40 | |
|  Chang, Jerry | | | 1842 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Reddy, Shreyas C | | | 1872 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kaplan, Avi Harrison | | | 2117 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Adhikari, Sunav | | | 1889 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Lyu, Ethan Toby | | | 1808 | USA | 0.50 | 1 | -0.44 | 20 | -8.80 | | | * 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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