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Individual Calculations July 2021 |
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| Grabcheva, Natalia Total change: 4.00 | |   |
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| Bulgarian Team Chess Championship Women 2021 | Kiten | BUL | 2021-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1757 | 1.00 | 3 | 0.20 | 20 | 4.00 | |
|  Antova, Gabriela | f | wm | 2157 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Voyska, Margarita | | wg | 2157 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Penkova, Mariana | | | 1655 | BUL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | * 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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