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Individual Calculations February 2023 |
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| Catherina, Michelle Total change: 43.80 | |   |
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| 32nd annual North American Open - U2300 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 2141 | 6.50 | 7 | 1.22 | 20 | 24.40 | |
|  Zhou, Vanessa G | | | 1660 | USA | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Dowling, John | | | 1915 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Colville, Julian | | | 1741 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Das, Rohan | | | 1780 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Duong, Nha Thanh | m | | 2100 | CAN | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Titus, Andrew Lewis | | | 2124 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Nathan, Krishna | | | 2036 | USA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * 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) | | | | 2023 Charlotte Open | Charlotte, North Carolina | USA | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2283 | 2148 | 3.00 | 6 | 0.97 | 20 | 19.40 | |
| | Preotu, Razvan | g | | 2478 | CAN | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Belenkaya, Dina | | wg | 2330 | ISR | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Escobar Forero, Alder | g | | 2459 | COL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Wan, Joseph | | | 2161 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Hilby, Craig | m | | 2412 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Liu, Ethan | | | 1855 | USA | 0.50 | 1 | -0.35 | 20 | -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) | | |
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