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Individual Calculations August 2021 |
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| Jiang, Andrew Total change: 145.20 | |   |
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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 |
| 1881 | 1754 | 5.50 | 8 | 2.77 | 40 | 110.80 | |
|  Espinosa, Pedro | | | 1831 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | |  Tracey, Shaun | | | 1627 | CAY | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Malyshev, Roman P | | | 2027 | RUS | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Brady, Tyson | | | 1887 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Carvajal, Cristian R | | | 2015 | CHI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Jiang, Brandon | | | 1954 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Cardinal, Scott Matthew | | | 1702 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Ture, Taner | | | 2008 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | 3rd Charlotte Masters | Charlotte, North Carolina | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1754 | 2.50 | 5 | 0.86 | 40 | 34.40 | |
| | Johnson, Donald | | | 1992 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Orellana, Juan | | | 1955 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Kumar, Asha | | | 1635 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Pang, Ashley | | wc | 1785 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Wang, Tianqi | | | 2154 * | 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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