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Individual Calculations September 2023 |
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| Chen, George Yiming Total change: 19.20 | |   |
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| 10th Annual Potomac Open - U2200 | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1656 | 1.50 | 4 | 0.48 | 40 | 19.20 | |
|  Shoykhet, Benjamin Effron | | | 1790 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Cherukuri, Nitesh | | | 1897 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Hyland, Mark Daniel | | | 1912 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Wright, James Douglas | | | 1800 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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