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Individual Calculations September 2023 |
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| Ling, Chenxuan Total change: -54.45 | |   |
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| 28th annual Bradley Open - Major | Windsor Locks, CT | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1707 | 2.50 | 5 | 0.86 | 33 | 28.38 | |
|  Kilari, Dattasai | | | 1883 | USA | 0.00 | 1 | -0.27 | 33 | -8.91 | | | Mansurov, Yusuf | | | 1735 | USA | 0.50 | 1 | 0.04 | 33 | 1.32 | |  Chin, Spencer | | | 1780 | USA | 0.50 | 1 | 0.10 | 33 | 3.30 | | | Zhao, Alex | | | 1837 | USA | 0.50 | 1 | 0.18 | 33 | 5.94 | | | Harris, David J | | | 1960 | USA | 1.00 | 1 | 0.81 | 33 | 26.73 | |
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) | | | | August 2023 Marshall Premier | New York, NY | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1897 | 1.50 | 4 | 0.13 | 33 | 4.29 | |
| | Su, Jasmine | | | 2035 | USA | 0.50 | 1 | 0.19 | 33 | 6.27 | | | Lapshun, Yury | m | | 2344 | USA | 0.00 | 1 | -0.06 | 33 | -1.98 | | | Stancil, Kimani | | | 1874 | USA | 1.00 | 1 | 0.47 | 33 | 15.51 | | | Das, Aditeya | | | 1922 | USA | 0.00 | 1 | -0.47 | 33 | -15.51 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 10 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1897 | 4.00 | 7 | -1.59 | 33 | -52.47 | |
| | Chin, Zee | | | 1444 | USA | 0.00 | 1 | -0.94 | 33 | -31.02 | | | Lin, Michael | | | 1497 * | USA | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Radhakrishnan, Sharath | | | 1710 | USA | 0.50 | 1 | -0.24 | 33 | -7.92 | | | De Fassio, Davi Dos Santos | | | 1434 | BRA | 1.00 | 1 | 0.05 | 33 | 1.65 | | | Yondon, Odbayar | | | 1653 | USA | 0.50 | 1 | -0.30 | 33 | -9.90 | | | Vinales Gonzalez, Enzo Mathias | | | 1633 | PAR | 1.00 | 1 | 0.18 | 33 | 5.94 | | | Guo, Ethan | c | | 1951 | USA | 0.00 | 1 | -0.42 | 33 | -13.86 | | | * 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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1897 | 1.50 | 5 | -1.05 | 33 | -34.65 | |
| | Jin, Ashton | | | 2172 | USA | 0.00 | 1 | -0.17 | 33 | -5.61 | | | Kurup, Siddharth Ajay | | | 1801 | USA | 0.50 | 1 | -0.13 | 33 | -4.29 | | | Mariappan, Anish M | | | 1988 | USA | 0.50 | 1 | 0.12 | 33 | 3.96 | | | Tang, Vincent | | | 1758 | USA | 0.50 | 1 | -0.19 | 33 | -6.27 | | | Wang, William | | | 1767 | USA | 0.00 | 1 | -0.68 | 33 | -22.44 | |
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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