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Individual Calculations December 2023 |
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| Chen, Derek Total change: -49.00 | |   |
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| Marshall Premier 26 | New York, NY | USA | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1920 | 0.00 | 4 | -1.91 | 20 | -38.20 | |
|  Putnam, Liam | f | | 2332 | USA | 0.00 | 1 | -0.07 | 20 | -1.40 | |  Harriott, Tyrell | | | 1806 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Das, Aditeya | | | 1851 | USA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Ling, Chenxuan | | | 1859 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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) | | | | 54th annual National Chess Congress - Premier | Philadelphia, PA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1920 | 2.00 | 6 | -0.54 | 20 | -10.80 | |
| | Bartell, Thomas | m | | 2333 | USA | 1.00 | 1 | 0.93 | 20 | 18.60 | | | Rychkov, Roman | | | 2006 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Guha, Eshan | | | 2077 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Stancil, Kimani A | | | 1854 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Roberts, Aston | | | 1785 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Kurup, Siddharth Ajay | | | 1902 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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