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Individual Calculations September 2022 |
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| Jiang, Kate Total change: 65.60 | |   |
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| 2022 BC Day Open Premier | Richmond | CAN | 2022-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1742 | 4.00 | 5 | 2.64 | 40 | 105.60 | |
|  Yang, Brian | | | 1826 | CAN | 1.00 | 1 | 0.62 | 40 | 24.80 | |  Mohammed Qanee, Arpak Worya | c | | 2088 | IRQ | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Villanueva, Rod | | | 1983 | MEX | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Wu, Nathan Ping-Ying | | | 1839 | CAN | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Cheng, Louis | | | 1894 | CAN | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | 2022 NAYCC U16 Girls | Calgary | CAN | 2022-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1604 | 3.00 | 7 | -1.79 | 40 | -71.60 | |
| | Durbha, Antara | | | 1390 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Qian, Jessica | | | 1494 | CAN | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Zhou, Chelsea | | | 1666 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Changkachith, Alyssa | | | 1204 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Velarde Hernandez, Paulina | | | 1446 | MEX | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Wang, Lilian | | | 1597 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Gonzalez Vela, Alba Marina | | | 1337 | MEX | 1.00 | 1 | 0.18 | 40 | 7.20 | | | * 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) | | | | 2022 Las Vegas Open - Premier | Las Vegas, Nevada | USA | 2022-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1604 | 1.50 | 4 | 0.79 | 40 | 31.60 | |
| | Guo, Andrew | | | 1893 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Leano, Bryan B | | | 1896 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Willy, Stephen | | | 1945 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Min, Ryan | | | 1773 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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