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Individual Calculations December 2023 |
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| Qian, Bobby Total change: 9.20 | |   |
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| 54th annual National Chess Congress - Premier | Philadelphia, PA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1992 | 3.00 | 6 | 0.23 | 40 | 9.20 | |
|  Samsonkin, Artiom | m | | 2377 | CAN | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Nolan, Gregory Matthew | | | 1655 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Zhang, Derek | c | | 2186 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Roberts, Aston | | | 1785 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Chandi, Ishnoor Singh | | | 1875 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Bartell, Thomas | m | | 2333 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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