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Individual Calculations August 2021 |
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| Vittal, Sanjana Total change: -17.69 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1938 | 3.00 | 9 | 0.40 | 29 | 11.60 | |
|  Kumar, Nikhil | f | | 2305 | USA | 1.00 | 1 | 0.90 | 29 | 26.10 | |  Daggupati, Balaji | f | | 2338 * | USA | 0.00 | 1 | -0.08 | 29 | -2.32 | | | Tian, Eddy | | | 2204 | USA | 0.00 | 1 | -0.18 | 29 | -5.22 | | | Proleiko, Julian | | | 2134 | USA | 0.00 | 1 | -0.25 | 29 | -7.25 | | | Lu, Jason | | | 2048 | USA | 0.00 | 1 | -0.35 | 29 | -10.15 | | | Yanayt, Eugene | f | | 2102 | USA | 0.50 | 1 | 0.22 | 29 | 6.38 | | | Kakutani, Yuta | | | 2085 | JPN | 1.00 | 1 | 0.70 | 29 | 20.30 | | | Kumar, Naman | | | 2128 | USA | 0.00 | 1 | -0.25 | 29 | -7.25 | | | Liu, Eric Chang | | | 1688 | USA | 0.50 | 1 | -0.31 | 29 | -8.99 | | | * 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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 1938 | 1.00 | 6 | -0.93 | 29 | -26.97 | |
| | Aaron, Deepak | | | 2262 | USA | 0.00 | 1 | -0.13 | 29 | -3.77 | | | Yang, Qindong | | | 2110 | CHN | 0.00 | 1 | -0.27 | 29 | -7.83 | | | Sethuraman, Sandeep | | | 2038 | USA | 0.00 | 1 | -0.36 | 29 | -10.44 | | | Mujumdar, Sameer | | | 2028 | USA | 0.50 | 1 | 0.12 | 29 | 3.48 | | | Velea, Anne-Marie | | wf | 2026 | USA | 0.00 | 1 | -0.38 | 29 | -11.02 | | | Hamilton, Sam | | | 2006 | USA | 0.50 | 1 | 0.09 | 29 | 2.61 | |
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 |
| 2114 | 1938 | 2.50 | 9 | -0.08 | 29 | -2.32 | |
| | Cervantes, Thalia | f | wm | 2226 | USA | 0.00 | 1 | -0.16 | 29 | -4.64 | | | Zeng, Sheena | | wc | 2013 | USA | 0.00 | 1 | -0.40 | 29 | -11.60 | | | Morris-Suzuki, Sophie | | wf | 2043 | USA | 0.50 | 1 | 0.14 | 29 | 4.06 | | | Lee, Alice Teresa | | wc | 1972 | USA | 1.00 | 1 | 0.55 | 29 | 15.95 | | | Yan, Ruiyang | | wc | 2111 | USA | 0.00 | 1 | -0.27 | 29 | -7.83 | | | Samadashvili, Martha | | wf | 2215 | USA | 0.50 | 1 | 0.33 | 29 | 9.57 | | | Wang, Annie | m | wg | 2338 * | USA | 0.00 | 1 | -0.08 | 29 | -2.32 | | | Ulrich, Susanna G | | | 1974 | USA | 0.00 | 1 | -0.45 | 29 | -13.05 | | | Wu, Rochelle | | wm | 2138 | USA | 0.50 | 1 | 0.26 | 29 | 7.54 | | | * 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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