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Individual Calculations January 2019 |
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| Chen, Jonathan Total change: 34.80 | |   |
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| North American Chess Festival for Youth and Childhood (Absolute and Female) "Baja California 2018" Under 12 Absolute | Hotel Puerto Nuevo Baja Hotel & Villas, Tijuana-Ensenada freeway Km. 44.5 B.C. | MEX | 2018-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1814 | 3.50 | 6 | 0.87 | 40 | 34.80 | |
|  Li, Eric | c | | 2022 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Vidyarthi, Vyom | | | 1962 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Wen, Teddie | | | 1911 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Chang, Alexander Rz | | | 1730 | CAN | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Bui, Alan | | | 1552 | CAN | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Kondakov, Adrian | | | 1973 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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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