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Individual Calculations January 2023 |
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| Atwell, Rose Total change: 29.20 | |   |
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| 57th American Open | Orange, CA | USA | 2022-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 1954 | 4.50 | 8 | 1.98 | 40 | 79.20 | |
|  Vidyarthi, Vyom | m | | 2402 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Wen, Teddie | | | 2151 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Grabinsky, Aaron | m | | 2415 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Mei, Austin R | f | | 2225 | USA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Tatum, Kofi | | | 2061 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Goyal, Tarini | | wm | 2223 | IND | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Chinni, Rishabh | | | 1703 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Nathan, Nitish Sg | c | | 1839 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 2000 and up | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1956 | 2.50 | 5 | -1.25 | 40 | -50.00 | |
| | Yao, Hanchi | | | 1618 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Rajaram, Rohan | | | 1756 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Jin, Austin | | | 1556 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Liu, Aiden | | | 1955 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Weng, Nicholas | | | 1812 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | * 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) | | |
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