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Individual Calculations July 2021 |
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| Zheng, Carissa Angela Total change: 231.60 | |   |
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| 8th Cherry Blossom Classic - Under 2300 | Dulles, Virginia | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1734 | 3.50 | 7 | 1.62 | 40 | 64.80 | |
|  Wang, Ellen | | wf | 1914 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Modi, Ethan | | | 1867 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Tunc, Skyler | | | 1778 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Barrow, William | | | 1935 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Malyshev, Roman P | | | 2071 | RUS | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Xu, Jonathan | | | 1835 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Ling, Evan Maxwell | | | 2046 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | 2021 US Women's Open | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1734 | 2.50 | 3 | 0.79 | 40 | 31.60 | |
| | Parikh, Ananya Deval | | | 1580 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Chen, Rachel Ruoxuan | | | 1493 | CAN | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Norovsambuu, Badamkhand | | | 1974 | MGL | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | 2021 National Open - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1734 | 4.00 | 4 | 3.38 | 40 | 135.20 | |
| | Doyle, Bryon | | | 2043 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Langseth, Rhett | | | 1938 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Parker, Anthony | | | 2019 | USA | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Navarro, Roberto | m | | 2134 * | MEX | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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