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Individual Calculations August 2021 |
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| Zeng, Sheena Total change: 65.25 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2059 | 3.00 | 9 | -0.01 | 25 | -0.25 | |
|  Daggupati, Balaji | f | | 2389 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Chiu, Isaac | | | 2190 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Li, Eric Yuhan | f | | 2270 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Lu, Ming | | | 2149 | USA | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Yip, Carissa Shiwen | m | wg | 2430 | USA | 0.50 | 1 | 0.40 | 25 | 10.00 | | | Penagalapati, Abhinav | | | 1940 | USA | 0.50 | 1 | -0.16 | 25 | -4.00 | | | Asaria, Danial | m | | 2318 | USA | 0.00 | 1 | -0.18 | 25 | -4.50 | | | De La Colina, Nicolas | | | 1969 | USA | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Proleiko, Julian | | | 2134 | USA | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2013 | 4.00 | 9 | 2.06 | 25 | 51.50 | |
| | Chen, Ryo Wenyu | | | 2320 | USA | 1.00 | 1 | 0.86 | 25 | 21.50 | | | Shlyakhtenko, Robert | f | | 2370 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Vidyarthi, Vyom | c | | 2225 | USA | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Venkat, Raghav | | | 2138 | USA | 1.00 | 1 | 0.67 | 25 | 16.75 | | | Sedlar, William | | | 2173 | USA | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Zeltsan, Joseph | | | 2335 | USA | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Chen, Forest | c | | 2235 | USA | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Chen, Justin | f | | 2247 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Putnam, Liam Henry | f | | 2182 | USA | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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 US Girls' Junior Championship | St. Louis, Missouri | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2013 | 4.00 | 9 | 0.56 | 25 | 14.00 | |
| | Morris-Suzuki, Sophie | | wf | 2043 | USA | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Vittal, Sanjana | | wf | 1938 | USA | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Lee, Alice Teresa | | wc | 1972 | USA | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Yan, Ruiyang | | wc | 2111 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Samadashvili, Martha | | wf | 2215 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Wang, Annie | m | wg | 2384 | USA | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Ulrich, Susanna G | | | 1974 | USA | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Wu, Rochelle | | wm | 2138 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Cervantes, Thalia | f | wm | 2226 | USA | 1.00 | 1 | 0.77 | 25 | 19.25 | |
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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