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Individual Calculations February 2023 |
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| Jin, Jerry Total change: -18.72 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1709 | 3.00 | 9 | 0.58 | 36 | 20.88 | |
|  Yedidia, Daniel | | | 2069 | USA | 0.00 | 1 | -0.10 | 36 | -3.60 | |  Atwell, Rose | | | 1956 | USA | 0.50 | 1 | 0.31 | 36 | 11.16 | | | Rajmohan, Vikram | | | 1842 | ENG | 0.50 | 1 | 0.18 | 36 | 6.48 | | | Pesterev, Kirill | | | 1923 | RUS | 1.00 | 1 | 0.77 | 36 | 27.72 | | | Mou, Iris | | wf | 2093 | USA | 0.00 | 1 | -0.09 | 36 | -3.24 | | | Guo, Ethan | | | 1892 | USA | 0.00 | 1 | -0.26 | 36 | -9.36 | | | Chen, Rachel Ruoxuan | | wc | 1837 | CAN | 0.00 | 1 | -0.33 | 36 | -11.88 | | | Kvakovszky, George | | | 1647 | USA | 1.00 | 1 | 0.41 | 36 | 14.76 | | | Zhou, Ruoyu | | | 1849 | USA | 0.00 | 1 | -0.31 | 36 | -11.16 | |
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 Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1732 | 1.50 | 6 | -0.69 | 36 | -24.84 | |
| | Carey, Michael P | | | 1891 | USA | 0.50 | 1 | 0.21 | 36 | 7.56 | | | Quirke, Jeffrey L | | | 2029 | USA | 0.00 | 1 | -0.15 | 36 | -5.40 | | | Dean, Edward Thorpe | | | 1858 | USA | 0.00 | 1 | -0.33 | 36 | -11.88 | | | Serota, Adam H | | | 1954 | USA | 0.00 | 1 | -0.22 | 36 | -7.92 | | | McCreesh, Brent Logan | | | 1653 | USA | 0.50 | 1 | -0.11 | 36 | -3.96 | | | Li, Michael | | | 1668 | USA | 0.50 | 1 | -0.09 | 36 | -3.24 | |
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) | | | | 60th Annual Baltimore Open - U2200 | Linthicum Heights, MD | USA | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1732 | 2.50 | 4 | -0.41 | 36 | -14.76 | |
| | Zhu, Florina | | | 1428 | USA | 1.00 | 1 | 0.14 | 36 | 5.04 | | | Epstein, Theodore John | | | 1393 | USA | 0.00 | 1 | -0.88 | 36 | -31.68 | | | Chang, Leo | | | 1486 | USA | 0.50 | 1 | -0.31 | 36 | -11.16 | | | Middaugh, Jon | | | 1832 | USA | 1.00 | 1 | 0.64 | 36 | 23.04 | |
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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