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Individual Calculations January 2023 |
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| Hua, Charles Total change: 80.40 | |   |
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| 53rd annual National Chess Congress - 1800-2199 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1790 | 3.50 | 5 | -0.01 | 40 | -0.40 | |
|  Gelman, Jeffrey A | | | 1390 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Gu, Minghao | | | 1478 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Yakubov, Mardon | | | 2105 | UZB | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Chen, Patrick Peiran | | | 1501 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Dubnoff, Micah Simon | | | 1601 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | Marshall Amateur Championship - Jerry Simon Memorial | New York, NY | USA | 2022-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1790 | 2.00 | 3 | -0.07 | 40 | -2.80 | |
| | Tse, Whitney | | | 1390 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Kalyanraman, Nikhil | | | 1709 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Shankar, Pranav | | | 1764 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | * 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) | | | | 37th annual Eastern Open - Premier | Arlington, VA | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 1790 | 4.50 | 8 | 2.09 | 40 | 83.60 | |
| | Lee, Justin | | | 2162 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Wang, Isaac | | | 1866 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Ye, Chen-Chen | | | 2056 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Nguyen, James L | | | 1946 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Quirke, Jeffrey L | | | 2001 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Tay, Brian | | | 1858 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Glasser, Abraham | | | 1926 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Schenk, Sam | | | 1805 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | |
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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