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Individual Calculations September 2020 |
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| Atanasova, Tsvetina Total change: -4.80 | |   |
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| Bulgarian chess championship for girls U10 - 2020 | Apriltsi | BUL | 2020-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1149 | 1191 | 1.00 | 2 | -0.12 | 40 | -4.80 | |
|  Mateeva, Yana | | | 1228 | BUL | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Kostadinova, Fabiyana | | | 1069 | BUL | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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