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Individual Calculations April 2020 |
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| Heredia, Carla Total change: -6.80 | |   |
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| GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 2112 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Northrup, Matthew | | | 1712 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Calchess Womens State Championship 2020 | Berkeley, California | USA | 2020-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 2121 | 3.50 | 5 | -0.42 | 20 | -8.40 | |
|  Shaughnessy, Elizabeth | | | 1721 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tsodikova, Natalya | | wf | 2085 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Vidyarthi, Omya | | wc | 1721 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Lee, Yesun | | | 1721 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Tsogtsaikhan, Saikhanchimeg | | | 2042 | MGL | 0.50 | 1 | -0.11 | 20 | -2.20 | | | * 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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