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Individual Calculations February 2020 |
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| Zhang, Alex Total change: 56.40 | |   |
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| 49th Annual Atlanta Open | Chamblee, Georgia | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1868 | 2.50 | 4 | 1.55 | 40 | 62.00 | |
|  Barnakov, Yury | | | 2216 | USA | 1.00 | 1 | 0.89 | 40 | 35.60 | |  Shevelev, Daniel | | | 1834 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Ghatti, Sanjay | m | | 2194 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Puckett, Matthew | | | 2149 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Chicago Chess Center 3rd Jane Addams Memorial | Chicago, IL | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1868 | 2.00 | 4 | -0.14 | 40 | -5.60 | |
| | Mardov, Dimitar | | | 2255 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Raj, Ria | | | 1468 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mehrotra, Ekansh | | | 1581 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Parasuraman, Surya | | | 2029 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | |
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