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Individual Calculations January 2023 |
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| Zhu, Ryan Total change: -67.20 | |   |
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| 53rd annual National Chess Congress - Premier | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1849 | 3.00 | 5 | 1.58 | 40 | 63.20 | |
|  Subervi, Jonathan | f | | 2114 | DOM | 1.00 | 1 | 0.82 | 40 | 32.80 | |  Mou, Iris Zhaoying | | wf | 2051 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Nasta, Kiren | | | 2066 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Manon-Og, Ramon | | | 2000 | PHI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Hoffman, Luc William Crim | | | 1860 | 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) | | | | Marshall Amateur Championship - Jerry Simon Memorial | New York, NY | USA | 2022-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1841 | 0.50 | 2 | -0.99 | 40 | -39.60 | |
| | Shankar, Pranav | | | 1764 | USA | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Nozaki, Mao | | | 1506 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | |
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 |
| 1884 | 1841 | 0.00 | 2 | -0.88 | 40 | -35.20 | |
| | Yehamandram, Yogeshwar | | | 1942 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Hebbar, Eshaan | | | 1825 | USA | 0.00 | 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) | | | | 37th annual Eastern Open - U2200 | Arlington, VA | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1841 | 1.00 | 3 | -1.39 | 40 | -55.60 | |
| | Shah, Arsh | | | 1674 | HKG | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Balakrishnan, Naveen | | | 1609 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Field, Rowan | | | 1504 | USA | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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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