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Individual Calculations August 2021 |
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| Yan, Ruiyang Total change: 47.12 | |   |
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| 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2111 | 4.50 | 9 | -0.11 | 38 | -4.18 | |
|  Jacobson, Brandon | g | | 2504 | USA | 0.00 | 1 | -0.08 | 38 | -3.04 | |  Taylor, Stewart Bradley | | | 1939 | USA | 1.00 | 1 | 0.27 | 38 | 10.26 | | | Guo, Arthur | m | | 2470 | USA | 0.00 | 1 | -0.10 | 38 | -3.80 | | | Moor, Nathaniel Philip | | | 1898 | USA | 1.00 | 1 | 0.23 | 38 | 8.74 | | | King, Alexander B | | | 2279 | USA | 0.00 | 1 | -0.28 | 38 | -10.64 | | | Hardaway, Brewington | c | | 1941 | USA | 0.50 | 1 | -0.22 | 38 | -8.36 | | | Shawkat, Saif | | | 1954 | USA | 0.50 | 1 | -0.21 | 38 | -7.98 | | | Liang, Dustin | | | 1866 | USA | 1.00 | 1 | 0.20 | 38 | 7.60 | | | Vargas, Gabriela | | wm | 2170 | PAR | 0.50 | 1 | 0.08 | 38 | 3.04 | |
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 Girls' Junior Championship | St. Louis, Missouri | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2111 | 6.00 | 9 | 1.35 | 38 | 51.30 | |
| | Ulrich, Susanna G | | | 1974 | USA | 1.00 | 1 | 0.32 | 38 | 12.16 | | | Wu, Rochelle | | wm | 2138 | USA | 0.00 | 1 | -0.46 | 38 | -17.48 | | | Cervantes, Thalia | f | wm | 2226 | USA | 1.00 | 1 | 0.66 | 38 | 25.08 | | | Zeng, Sheena | | wc | 2013 | USA | 1.00 | 1 | 0.37 | 38 | 14.06 | | | Vittal, Sanjana | | wf | 1938 | USA | 1.00 | 1 | 0.27 | 38 | 10.26 | | | Lee, Alice Teresa | | wc | 1972 | USA | 0.50 | 1 | -0.19 | 38 | -7.22 | | | Morris-Suzuki, Sophie | | wf | 2043 | USA | 0.50 | 1 | -0.09 | 38 | -3.42 | | | Samadashvili, Martha | | wf | 2215 | USA | 0.50 | 1 | 0.14 | 38 | 5.32 | | | Wang, Annie | m | wg | 2384 | USA | 0.50 | 1 | 0.33 | 38 | 12.54 | |
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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