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Individual Calculations August 2021 |
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| Kelley, Deshawn Total change: -69.20 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 2111 | 4.50 | 7 | -1.41 | 20 | -28.20 | |
|  Ji, Y Owen | | | 1711 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Raghuraja, Sri Avishkar | | | 1711 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Marshall, Calvin | | | 1820 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Dill, James Christopher | | | 1817 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gupta, Aditya | | | 1839 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Hyland, Mark Daniel | | | 1833 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Hernandez Luna, Jose Angel Angel | c | | 1952 | MEX | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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) | | | | 14th Annual Chicago Class - Expert | Wheeling, Illinois | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 2111 | 1.50 | 4 | -2.05 | 20 | -41.00 | |
| | Silverstein, Jonathan | | | 1870 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Gronski, Gabriel W | | | 1728 | USA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Bauml, Broderick Kenneth | | | 1711 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Shetty, Anshul P | | | 1711 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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