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Individual Calculations September 2023 |
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| Zhao, Alex Total change: -21.66 | |   |
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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 |
| 1884 | 1837 | 2.50 | 5 | -0.13 | 38 | -4.94 | |
|  Zhou, Jianchao | g | | 2540 | CHN | 0.00 | 1 | -0.01 | 38 | -0.38 | |  Mutnuri, Krishna Saketh | | | 1681 | USA | 0.00 | 1 | -0.71 | 38 | -26.98 | | | Ramaswamy, Nakul | | | 1631 | IND | 1.00 | 1 | 0.24 | 38 | 9.12 | | | Ling, Chenxuan | | | 1707 | USA | 0.50 | 1 | -0.18 | 38 | -6.84 | | | Katsman, David | | | 1861 | USA | 1.00 | 1 | 0.53 | 38 | 20.14 | |
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 16 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1870 | 4.00 | 8 | 0.19 | 38 | 7.22 | |
| | Lancman, Kyle | | | 2121 | USA | 1.00 | 1 | 0.81 | 38 | 30.78 | | | Amigo Quintana, Antu | f | | 2099 | CHI | 0.00 | 1 | -0.21 | 38 | -7.98 | | | Vidyarthi, Omya | | wm | 1958 | USA | 0.00 | 1 | -0.38 | 38 | -14.44 | | | Flores Ordaz, Jorge De Jesus | | | 1564 | MEX | 1.00 | 1 | 0.14 | 38 | 5.32 | | | Jiang, Brandon | c | | 2087 | USA | 0.00 | 1 | -0.22 | 38 | -8.36 | | | Solis Cano, Cesar Fabrizio | | | 1584 | PER | 1.00 | 1 | 0.16 | 38 | 6.08 | | | Locham, Divjot | | | 1573 | CAN | 1.00 | 1 | 0.15 | 38 | 5.70 | | | Nasta, Kiren Vivek | | | 2057 | USA | 0.00 | 1 | -0.26 | 38 | -9.88 | |
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 |
| 1975 | 1870 | 1.50 | 5 | -0.63 | 38 | -23.94 | |
| | Guha, Eshan | | | 2101 | USA | 0.00 | 1 | -0.21 | 38 | -7.98 | | | Salinas Herrera, Pablo | g | | 2464 | CHI | 0.00 | 1 | -0.02 | 38 | -0.76 | | | Yue, Tariq | | | 1702 | USA | 1.00 | 1 | 0.28 | 38 | 10.64 | | | Pendse, Vihaan | | | 1820 | USA | 0.00 | 1 | -0.57 | 38 | -21.66 | | | Singh, Siddharth | | | 1790 | USA | 0.50 | 1 | -0.11 | 38 | -4.18 | |
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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